JP5770081B2 - Sliding door interlocking device - Google Patents

Description

  The present invention relates to a sliding door interlocking device that interlocks a sliding door with an opening / closing operation when an opening of a structure such as a building or furniture is opened / closed by a plurality of sliding doors.

  Conventionally, a plurality of sliding doors may be provided in an opening in a building or the like for effective use of a frontage. When multiple sliding doors are provided in this way, it is troublesome to open and close the sliding doors one by one, so that the sliding door interlocking device interlocks the other sliding doors with the opening and closing operation of one sliding door. Can be seen.

  Among such sliding door interlocking devices, there is one that improves the handling convenience by unitizing the sliding door interlocking mechanism (see Patent Document 1).

  Specifically, the sliding door interlocking device extends along the opening / closing direction of the sliding door and is dug and attached to the upper end surface or the lower end surface of the sliding door, and both longitudinal end portions inside the dug base There is a unit in which a pulley provided rotatably on each other, an endless wire spanned between these pulleys, and a slider fixed to the wire and engaged with an adjacent sliding door are integrally assembled. It has been.

  In this sliding door interlocking device, for example, this unit is dug into the middle sliding door among the three sliding doors, and the sliders fixed to the wires spanned between the pulleys are engaged with the front and rear sliding doors. Thus, these three sliding doors can be opened / closed in an interlocked manner, which is advantageous in that the handling, installation, and operability during installation can be improved.

JP 2003-82933 A

  By the way, the frontage of the opening varies depending on housing conditions and the like, and the width and number of sliding doors fitted in the opening vary depending on the situation.

  However, although the sliding door interlocking device described in Patent Document 1 is convenient in that it is unitized, since the length of the dug base is determined, devices having various dimensions according to the door width of the sliding door It had to be prepared and was not fully satisfactory in terms of versatility.

  The present invention has been made in view of the above-described conventional problems, and is a sliding door interlocking device that can flexibly respond to the door width of the sliding door and further improves versatility and handling at the time of installation. The purpose is to provide.

  In order to solve the above problems, a sliding door interlocking device according to the present invention is a sliding door interlocking device that is attached to a sliding door, engages with an adjacent sliding door, and opens and closes the sliding door in conjunction with the adjacent sliding door, A base body that extends along the opening / closing direction of the sliding door and has an opening for inserting a slider extending along the opening / closing direction, a plurality of guide bodies housed in the base body, and a plurality of guide bodies An endless body that is stretched and stretched around the endless body, and a slider that is fixed to the endless body and that engages with the adjacent sliding door through the opening for inserting the slider. A base body having a base and a second base that is attached to the first base so as to be slidable in the opening / closing direction in a partially overlapping state, and slidable in the opening / closing direction inside the base body An intermediate base disposed, and the base body is configured to be extendable and contractable by the relative sliding movement of the second base and the first base, and the plurality of guide bodies include the first base body. A first guide body attached to the base body, a second guide body attached to the first base body closer to the second base body than the first guide body, a third guide body attached to the second base body, A fourth guide body attached to the second base on the first base side relative to the third guide body, and a fifth guide attached to the intermediate base between the first guide body and the second guide body in the opening / closing direction. And a sixth guide body attached to an intermediate base between the third guide body and the fourth guide body in the opening / closing direction, and the endless body includes a first guide body to a sixth guide body. For tensioning, in a state where two are combined, the fifth guide body The second guide body extends to the second guide body, and the second guide body, the first guide body, the third guide body, and the fourth guide body are wound in this order to be folded back in the opposite directions in the respective guide bodies to the sixth guide body. Each of the pair of sliders is attached to each of the two guides spanned between the first guide body and the third guide body, and the intermediate base body is the first base body and the second base body. The absolute value of the displacement amount with respect to the first substrate and the absolute value of the displacement amount with respect to the second substrate can be moved to a position where the absolute value of the displacement amount with respect to the second substrate is equal.

  According to the present invention, the base body has a first base and a second base that is partially overlapped with the first base and is slidably mounted in the opening and closing direction. Since it can be expanded and contracted in the opening and closing direction, it can flexibly respond to this door width by expanding and contracting the base body part according to the door width of the sliding door, in other words, various types according to the door width of the sliding door It is not necessary to prepare a sliding door interlocking device for dimension setting, and it becomes possible to further improve versatility and handling at the time of installation.

  Further, when the base body portion is expanded and contracted, it is necessary to expand and contract the endless body between the first guide body and the third guide body. However, the endless body is hung around each guide body as described above. Therefore, as the base body portion expands and contracts, the positional relationship between the second guide body and the fifth guide body and the positional relationship between the fourth guide body and the sixth guide body are the same as the first guide body and the third guide body. It changes in the opposite direction to the positional relationship. That is, for example, when the first guide body and the third guide body are separated from each other, the second guide body and the fifth guide body, and the fourth guide body and the sixth guide body approach each other. It becomes equal to the distance which 1 guide body and 3rd guide body left | separated. On the other hand, when the first guide body and the third guide body are close to each other, the second guide body and the fifth guide body are separated from each other, and the fourth guide body and the sixth guide body are separated from each other. It becomes equal to the distance which the guide body and the 3rd guide body approached. For this reason, the separation distance between the first guide body and the third guide body can be appropriately adjusted without loosening the endless body. In this case, the intermediate base can move to a position where the absolute value of the displacement relative to the first base is equal to the absolute value of the displacement relative to the second base according to the relative sliding movement of the first base and the second base. Thus, after the intermediate substrate is moved to such a position, the position of each slider relative to the center of the substrate does not change. For this reason, it is not necessary to once remove the slider whose position is shifted from the center of the base body due to the expansion and contraction of the base body portion, and to reattach the slider to the position of the endless body corresponding to the center of the base body after the expansion and contraction.

  The guide body is not particularly limited as long as it can engage with an endless body and smoothly guide the movement thereof. For example, the guide body smoothly slides against the endless body. A low-friction body (for example, a low-friction cylinder) may be used, but the guide body is preferably a pulley that is rotatably attached to the base.

  Further, in this case, the first to fourth pulleys of the pulleys are provided in a portion where the two endless members are routed together, and thus overlap each other in the axial direction. It is preferable that each end of the endless body (one path portion and the other path portion) is wound around each other and is a double pulley that can rotate independently. If comprised in this way, the smooth movement of an endless body can be comprised comparatively easily.

  According to the sliding door interlocking device according to the present invention, the base body can be expanded and contracted according to the door width of the sliding door, and the movable range of the slider can be appropriately expanded and contracted according to the expansion and contraction. The width can be flexibly dealt with, and it is not necessary to prepare a device having various dimensions according to the width of the sliding door, and the versatility and handling at the time of installation can be further improved. Further, the intermediate substrate can be moved to a position where the absolute value of the displacement amount with respect to the first substrate and the absolute value of the displacement amount with respect to the second substrate are equal according to the relative slide movement of the first substrate and the second substrate. Since it is configured, the position of each slider relative to the center of the substrate does not change after the intermediate substrate is moved to such a position. For this reason, it is not necessary to once remove the slider whose position is shifted from the center of the base body due to the expansion and contraction of the base body portion, and to reattach the slider to the position of the endless body corresponding to the center of the base body after the expansion and contraction.

It is a perspective view showing the outline of the sliding door to which the sliding door interlocking device of the present invention is applied. It is sectional drawing by the II-II line of FIG. 1 (however, a pulley is abbreviate | omitted and represented). It is an external appearance perspective view which shows the apparatus in the state (solid line part) which contracted the base | substrate of the said sliding door interlocking | linkage apparatus. It is a separation perspective view showing the extension state of the sliding door interlocking device. It is a separation perspective view showing the middle of contraction of the sliding door interlocking device. It is a separation perspective view showing the contraction state of the sliding door interlocking device. It is a perspective view shown in the state which decomposed | disassembled the 1st base | substrate of the same apparatus. It is a top view which shows the 1st base | substrate of the apparatus. It is a left view which shows the 1st base | substrate and 2nd base | substrate of the apparatus. It is a perspective view shown in the state which decomposed | disassembled the 2nd base | substrate of the apparatus. It is explanatory drawing of the slider movement accompanying expansion / contraction of a base body part, (a) is a conceptual diagram which shows the position of the slider in the state before shrinking | contracting a base body part, (b) is after shrinking a base body part It is a conceptual diagram which shows the relationship between the slider position in this state, and the position which moves a slider. It is explanatory drawing of an endless body, (a) is a figure which shows the spanning state of the endless body when the base body part is extended, (b) is the hanging of the endless body when the base body part is contracted It is a figure which shows a delivery state. It is a front view which shows the main members of the slider of the same apparatus. It is structure explanatory drawing at the time of applying the same apparatus to a four-sheet sliding door. It is structure explanatory drawing at the time of applying the same apparatus to a 5 sheet sliding door.

  Hereinafter, an embodiment according to the present invention will be described with reference to the drawings. The sliding door interlocking device of the present embodiment is applied to a hanging type sliding door whose upper end is guided and supported by a guide rail. However, if there are a plurality of sliding doors such as a non-hanging type sliding door, the other sliding doors are used. Of course it can also be applied.

  FIG. 1 shows a sliding door structure to which the sliding door interlocking device of the present embodiment is applied. FIG. 2 is a longitudinal sectional view (however, the pulley is omitted) showing the sliding door interlocking device when the base body portion is in a contracted state. Hereinafter, for convenience, the + X direction in each drawing will be described as the right direction, the + Y direction as the backward direction, and the + Z direction as the upward direction. However, the expression of these directions is not particularly limited, and this embodiment is simply described. This shows the relative positional relationship in the apparatus.

  In this sliding door structure, a front opening type door pocket is installed on the front side of the wall W adjacent to the opening portion, and the opening portion is closed by pulling out the two sliding doors D1 and D2 from the door pocket. These sliding doors D1 and D2 are arranged in a fully overlapping state in the door pocket in the fully opened state, and are arranged in a partially overlapping state even in the fully closed state. Each of the sliding doors D1, D2 is provided with a pair of left and right guide rollers R at the upper end, and the guide rollers R are guided and supported by guide rails (not shown) attached to the upper frame of the opening. Open and close parts. In addition, as shown in FIG. 1, the handle D11 for opening / closing operation is provided in the sliding door D1.

  Among these sliding doors D1 and D2, a storage groove along the opening / closing direction of the sliding door D2 (hereinafter simply referred to as the opening / closing direction of the sliding door D2) A at the lower end of the sliding door D2 on the wall W side. D12 is provided, and the sliding door interlocking apparatus 1 of this embodiment is attached to the storage groove D12 in the storage state.

  This sliding door interlocking device 1 engages with an adjacent sliding door D1 and engages with a wall W, and interlocks with the opening / closing operation of the adjacent sliding door D1 to open / close the sliding door D2. Further, the sliding door interlocking device 1 is configured to be extendable as shown in FIG. 3, and can be adjusted to a length corresponding to the length dimension in the opening / closing direction A of the storage groove D12. In FIG. 3, a solid line shows a contracted state, and a two-dot chain line shows an extended state.

  4, FIG. 5 and FIG. 6 are exploded perspective views showing the sliding door interlocking device 1. FIG. 4 shows an expanded state, FIG. 5 shows a slightly contracted state, and FIG. 6 shows a further contracted state. Indicates.

  The sliding door interlocking device 1 has, as its basic structure, a base 2 (see FIG. 2) extending in the opening and closing direction, a plurality of pulleys 21 to 26 (corresponding to a guide body) housed in the base 2, and these An endless wire 10 (corresponding to an endless body) movably stretched between the pulleys 21 to 26, and sliders 11 and 11 fixed to the wire 10 and engaged with the adjacent sliding door D1 or the wall W (see FIG. 2), and these basic configurations 2, 10, 11, 21 to 26 are unitized.

  The base body 2 includes a base body portion 2A formed in an elongated flat rectangular body in a cross-sectional view and an intermediate base body 5 disposed inside the base body portion 2A. 2A is configured to be extendable in the opening and closing direction (door width direction of the sliding door D2). That is, the base body portion 2A of the present embodiment has an inner and outer double cylindrical structure, and each of the inner and outer cylindrical portions is divided in half in the longitudinal and longitudinal direction, respectively, so that the rear side half inner cylindrical shape is formed. The first base 3 in which the body and the front-side half outer cylindrical body are connected at a part of the upper end portion, and the front-side half inner cylindrical body and the rear-side half outer cylindrical body are the upper ends. And a second base 4 connected at a part of the part, and the first base 3 and the second base 4 are configured to be extendable and retractable by being attached so as to be relatively movable in the opening / closing direction A. .

  The intermediate base 5 provided inside the base body 2A has a configuration in which a pair of plate-like members are opposed to each other. This intermediate base 5 can slide within a certain range along the opening / closing direction A on the inside of the base body 2A.

  Hereinafter, the base body 2A will be described more specifically. That is, the first base 3 has a long cylindrical shape extending along the opening / closing direction, and the second base 4 attached to the first base 3 so as to be slidable in the opening / closing direction is also a long cylindrical shape. One end of the first and second bases 3 and 4 corresponding to both ends of the base body 2A is closed by the end cap 12. The end cap 12 constitutes a part of pulley support members 27 and 28 described later.

  The first and second bases 3 and 4 are configured to overlap with each other in the full length (length in the opening and closing direction) in the contracted state of the base body 2A shown in FIG. 6, and the base body part shown in FIG. In the extended state of 2A, each adjacent end portion is configured to overlap.

  In the present embodiment, as described above, since the first base 3 and the second base 4 are configured in substantially the same manner, the first base 3 will be described first, and then the first base 3 for the second base 4 will be described. While omitting some of the differences, the description will be omitted.

  FIG. 7 is an exploded perspective view showing the first base. FIG. 8 is an exploded plan view of the first substrate, and FIG. 9 is an exploded left side view of the substrate. FIG. 9 also shows a state where the second substrate is disassembled.

  The first base 3 includes a first half inner frame 31 (corresponding to one half inner cylindrical portion) constituting the rear half inner cylindrical body, and the front half outer cylindrical body. The first half-outer frame 32 (corresponding to one half-outer cylindrical part) is configured, and these frames 31 and 32 are arranged to face each other and connected at a part of the upper end portion, so that the lower part is It is comprised in the cylinder shape open | released in groove shape.

  Specifically, as clearly shown in FIGS. 7 and 9, the first inner half frame 31 has a substantially inverted U shape when viewed from the left side. That is, the first half inner frame 31 includes a side wall portion 31a extending in the vertical direction, an upper flange portion 31b protruding forward from the upper end of the side wall portion 31a, and one end side protruding further forward from the upper flange portion 31b. And the other end side connection tongue pieces 31c and 31e, and the lower flange part 31d which protrudes ahead from the lower end of the side wall part 31a are provided.

  The one end side connecting tongue piece 31c and the other end side connecting tongue piece 31e are for connecting the first half inner frame 31 and the first half outer frame 32 to each other.

  As clearly shown in FIG. 8, in the longitudinal direction of the first half inner frame 31, the one end side connecting tongue piece 31 c projects from the left end of the first half inner frame 31 to the front side, and the other end side connecting tongue 31 The piece 31e protrudes from the right end of the first half inner frame 31 to the front side from a portion displaced leftward by a predetermined length in the longitudinal direction. The amount of displacement in the longitudinal direction is set corresponding to the length in the left-right direction of one end side connecting tongues 41c and 42c of the second base 4 to be described later. In this embodiment, the one end side connecting tongues 41c and 42c It is set to substantially match the length in the left-right direction.

  The amount of protrusion of the one end side connecting tongue 31c and the other end side connecting tongue 31e to the front side is set in consideration of the upper flange portion 41b of the second half inner frame 41 to be described later. In the contracted state, the upper flange portion 41b is not interfered.

  On the other hand, as clearly shown in FIGS. 7 and 9, the first outer half frame 32 has a substantially U shape in the left side view. That is, the first outer half frame 32 includes a side wall portion 32a extending in the vertical direction, an upper flange portion 32b protruding rearward from the upper end of the side wall portion 32a, and one end side protruding further rearward from the upper flange portion 32b. And the other end side connection tongue pieces 32c and 32e, and the lower flange part 32d which protrudes back from the lower end of the side wall part 32a are provided.

  The side wall portion 32a of the first half outer frame 32 is set to have a height dimension larger than that of the side wall portion 31a of the first half inner frame 31, and the connecting tongue pieces 31c and 32c, 31e and 32e are formed. In the superposed state, the lower flange portion 32d of the first half outer frame 32 is disposed below the lower flange portion 31d of the first half inner frame 31.

  The one end side connecting tongue piece 32c and the other end side connecting tongue piece 32e are configured in the same manner as the connecting tongue pieces 31c and 31e of the first half inner frame 31, and project over the same range and length. . That is, as clearly shown in FIG. 9, the one end side connecting tongue piece 32 c extends from the left end portion of the first half outer frame 32 to the rear side in the same manner as the one end side connecting tongue piece 31 c of the first half inner frame 31. On the other hand, the other end side connecting tongue piece 32e has a predetermined length in the longitudinal direction from the right end of the first half outer frame 32, like the other end side connecting tongue piece 31e of the first half inner frame 31. In the part displaced to the left side of the length, it protrudes to the rear side. Regarding the amount of displacement from the right end and the amount of protrusion of the one end side connecting tongue piece 32c and the other end side connecting tongue piece 32e to the rear, the one end side connecting tongue piece 31c and the other end side connecting tongue of the half inner frame 31 are as follows. It is the same as the piece 31e. The amount of protrusion is set in consideration of the upper flange portion 42b of the second half outer frame 42.

  These first half inner and outer frames 31 and 32 are connected at a part of the upper end, that is, at each connecting tongue 31c and 32c, 31e and 32e. Specifically, as shown in FIG. 7, the connecting tongue pieces 32c and 32e of the first half outer frame 32 are superposed on the corresponding connecting tongue pieces 31c and 31e of the first half inner frame 31 from above. These are fastened by fixtures 35 and 36 (for example, screws), so that the first half inner and outer frames 31 and 32 are connected to each other.

  The fixing member 35 is attached to the connecting tongue pieces 31e and 32e so as to connect them from the outside, and connects the connecting tongue pieces 31c and 32c with each other and a base of a pulley support member 27 described later. A member 50 is attached to connect. The fixture 36 is attached so as to connect the base member 50 and the connecting tongues 31c and 32c from the inside. Here, a connecting portion between the connecting tongue piece 31c and the connecting tongue piece 32c is referred to as a first connecting portion 33, and a connecting portion between the connecting tongue piece 31e and the connecting tongue piece 32e is referred to as a second connecting portion 34.

  As shown in FIGS. 7 and 8, the one end side connecting tongues 31c and 32c are provided with through holes 31g and notches 32g, respectively, and these through holes 31g and notches 32g are used for positioning. It is done. This point will be described later. The same applies to the second substrate 4.

  The first base 3 to which the first half inner and outer frames 31, 32 are connected is configured as a part of the upper portion in the longitudinal direction and a cylindrical body that opens downward. Specifically, in the first base 3, the tips of the upper flange portions 31 b and 32 b are spaced from each other, and connecting tongue pieces 41 c, 42 c, 41 e, and 42 e described later of the second base 4 slide between them. It is configured to be possible.

  Next, the second substrate 4 will be described. FIG. 10 is a perspective view showing the second base body in an exploded state.

  The basic structure of the second base 4 is obtained by rotating the first base 3 by 180 degrees about the vertical axis, and, like the first base 3, constitutes the above-mentioned half-inner cylindrical body on the front side. Second half inner frame 41 (corresponding to the other half inner cylindrical portion) and the second half outer frame 42 constituting the rear half outer cylindrical body (the other half outer cylindrical shape) And the frames 41 and 42 are connected to each other at a part of the upper end portion to form a cylindrical shape with the lower part opened in a groove shape. The second substrate 4 will be briefly described.

  That is, as shown in FIG. 10, the second inner half frame 41 includes a side wall portion 41a extending in the vertical direction, an upper flange portion 41b projecting rearward from the upper end of the side wall portion 41a, and the upper flange portion 31b. Furthermore, it is provided with one end side and other end side connecting tongues 41c and 41e protruding rearward, and a lower flange portion 41d protruding rearward from the lower end of the side wall 41a.

  As shown in FIG. 10, with respect to the longitudinal direction of the second half inner frame 41, the one end side connecting tongue piece 41c protrudes rearward at the right end of the second half inner frame 41, and the first half inner frame 41 31 is set to the same left and right length as the one end side connecting tongue piece 31c.

  Further, the other end side connecting tongue 41e protrudes rearward from a portion displaced from the left end of the second half inner frame 41 by a predetermined length in the longitudinal direction. The amount of displacement from the left end is set corresponding to the length of the one end side connecting tongue pieces 31c, 32c of the first base 3, and in this embodiment, is approximately the length of the one end side connecting tongue pieces 31c, 32c. Set to match.

  On the other hand, as shown in FIG. 10, the second outer half frame 42 includes a side wall portion 42a extending in the vertical direction, an upper flange portion 42b protruding forward from the upper end of the side wall portion 42a, and the upper flange portion 32b. Furthermore, one end side and other end side connecting tongue pieces 42c and 42e protruding forward, and a lower flange portion 42d protruding forward from the lower end of the side wall portion 42a are provided.

  The one end side connecting tongue piece 42c and the other end side connecting tongue piece 42e are configured in the same manner as the connecting tongue pieces 41c and 41e of the second half inner frame 41, and are provided over the same range and length as these. This is the same as the connecting tongues 41c and 41e. The one end side connecting tongues 41c and 42c are respectively provided with a through hole 41g and a notch 42g, and the through hole 41g and the notch 42g are used for positioning.

  These second halved inner and outer frames 41, 42 are connected at a part of the upper end, that is, at each connecting tongue piece 41c, 42c, 41e, 42e. Here, a connecting portion between the connecting tongue pieces 41c and 42c is referred to as a third connecting portion 43, and a connecting portion between the connecting tongue pieces 41e and 42e is referred to as a fourth connecting portion 44.

  The second base body 4 to which the second half inner and outer frames 41 and 42 are connected is configured as a part of the upper part and a cylindrical body that opens downward. Specifically, in the second base body 4, the tips of the upper flange portions 41b and 42b are spaced apart from each other, and in the contracted state of the base body portion 2A, the connecting tongue pieces 31c, 32c, 31e and 32e are arranged.

  In order to attach the second base 4 to the first base 3 so as to be slidable in the opening / closing direction, the bases 3 and 4 are assembled as follows, for example.

  That is, when assembling each of the first half inner and outer frames 3132 of the first base body 3, between the left connecting tongue pieces 31 c and 32 c and the right connecting tongue pieces 31 e and 32 e in the longitudinal direction, The second half-divided frame 41 of the second base body 4 is arranged so that the end side connecting tongue piece 41e is positioned. Then, in a state where a part of the second half inner frame 41 is accommodated, the connecting tongue pieces 31c and 32c of the first base 3 are connected to each other by the fixtures 35 and 36 to form the first connecting portion 33. Then, the base member 50 of the pulley support member 27 is connected to the inside of the first connecting portion 33. Further, the connecting tongue pieces 31 e and 32 e are connected to each other by the fixing tool 35 to form the second connecting portion 34. In this state, between the first connecting portion 33 on the left side and the second connecting portion 34 on the right side of the first base 3 in the longitudinal direction, the first half inner and outer frames 31 in the front-rear width direction, 32, the other end side connecting tongue piece 41e of the second base body 4 is positioned between the upper flange portions 31b, 32b of the second base body 4, and the tip end surface of the other end side connecting tongue piece 41e substantially butts against the tip end surface of the upper flange portion 32b. It becomes a combined state.

  Subsequently, the connecting tongues 41c and 41e of the second half inner frame 41 partially accommodated in the first base 3 are connected to the second half outer frame 42 of the second base 4 as shown in FIG. Corresponding connecting tongues 42c and 42e are superposed and connected to each other by fixing members 35 and 36 such as screws. At this time, by attaching the fixture 36 from the inside to the connecting portion between the connecting tongue piece 41c and the connecting tongue piece 42c, the connecting tongue piece 41c and the connecting tongue piece 42c are connected, and the third connecting portion 43 is formed. The base member 50 of the pulley support member 28 is connected to the inside of the third connecting portion 43 while being formed. In addition, the fixture 35 is attached so as to reach the base member 50 from the outside. Further, with respect to the connecting portion between the connecting tongue piece 41e and the connecting tongue piece 42e, the fourth connecting portion 44 is formed by connecting the connecting tongue piece 41e and the connecting tongue piece 42e from the outside by the fixing device 35. . Further, the fourth connecting portion 44 of the second base 4 is movable between the first connecting portion 33 and the second connecting portion 34 of the first base 3, and the second base 4 is moved in the moving range. It can slide in the opening / closing direction with respect to one substrate. At this time, when the fourth connecting portion 44 is in contact with the first connecting portion 33, the third connecting portion 43 may be in contact with the second connecting portion 34.

  In the contracted state of the base body portion 2A, the first and second base bodies 3 and 4 have the connecting pieces 31c and 31e of the first half inner frame 31 as shown in part in FIG. 2 and FIG. The second half inner frame 41 is in a state of being abutted against the upper flange portion 41b, and conversely, the connecting tongue pieces 41c and 41e of the second half inner frame 41 are connected to the upper flange portion 31b of the first half inner frame 31. It will be in a state of being faced. Further, the connecting pieces 32c and 32e of the first outer half frame 32 are brought into abutment with the upper flange portion 42b of the second outer half frame 42, and the connecting pieces of the second outer half frame 42 are connected. 42c and 42e will be in the state faced | matched by the upper flange part 32b of the 1st half outer frame 32. FIG.

  As shown in FIGS. 2 and 4 to 6, the intermediate base 5 is provided inside the first and second bases 3 and 4 assembled in this way. The intermediate base 5 has a pair of opposed plate-like members 51 and 52, and three pulleys 22, 25, and 26 are arranged between the plate-like members 51 and 52, and two of these Both end portions of the shaft portions 25b and 26b of the pulleys 25 and 26 are attached to the plate-like members 51 and 52, respectively, and the plate-like members 51 and 52 are held in a predetermined posture by the shaft portions 25b and 26b. In this embodiment, the plate members 51 and 52 are connected by the shaft portions 25b and 26b. However, the plate members 51 and 52 may be connected using a separate connecting member.

  The intermediate base 5 is provided so as to be slidable in the opening / closing direction A between the first pulley 21 and the third pulley 23 so as not to interfere with the second pulley 22 and the fourth pulley 24 during the sliding. The configuration is as follows. That is, one of the plate-like members 51 and 52, for example, 51, is formed with a long long hole 51a along the opening / closing direction A, and the shaft portion 22b is inserted into the long hole 51a so that the second hole 51a is inserted. The relative movement with the pulley 22 is not hindered. In addition, long notches 51b and 52b are formed along the opening / closing direction A so as not to hinder relative movement with the fourth pulley 24 on the lower left side of both plate-like members 51 and 52.

  The length L2 (see FIGS. 4 and 12) of the long hole 51a is set to be the same as or slightly longer than the maximum value of the distance L1 (see FIG. 11) when the first base 3 contracts.

  Next, the plurality of pulleys 21 to 26 housed in the base body 2 will be described with reference to FIGS.

  The pulleys include a first pulley 21 and a second pulley 22 attached to the first base 3, a third pulley 23 and a fourth pulley 24 attached to the second base 4, and a first pulley attached to the intermediate base 5. A fifth pulley 25 and a sixth pulley 26 are provided.

  The first pulley 21 is provided at the position of the left end portion of the first base 3 far from the second base 4, and the second pulley 22 is closer to the second base 4 (right side) than the first pulley 21, and the first base 3, the third pulley 23 is provided at the position of the right end of the second base 4 far from the first base 3, and the fourth pulley 24 is closer to the first base 3 (left side than the third pulley 23). And the fifth pulley 25 is provided between the first pulley 21 and the second pulley 22 in the opening / closing direction and at the location of the intermediate base 5, and the sixth pulley 26 is opened / closed. It is provided between the third pulley 23 and the fourth pulley 24 in the direction and at the intermediate base 5.

  The positions of the pulleys 21 to 26 in the opening / closing direction (left-right direction) A are such that the first pulley 21 is located on the leftmost side and the third pulley 23 is located on the rightmost side in the extended state of the base body 2A shown in FIG. The second pulley 22 and the fourth pulley 24 are located in the center of the left and right, the fifth pulley 25 is located between the first pulley 21 and the second pulley 22, and the sixth pulley 26 is connected to the third pulley 23. Located between the fourth pulleys 24. In the extended state, the second pulley 22 and the fourth pulley 24 may be arranged at the same position in the left-right direction or at different positions. Further, the other pulleys 21, 23, 25, and 26 may be arranged at left-right symmetrical positions, but are not necessarily arranged at left-right symmetrical positions. However, the fifth pulley 25 is located between the first pulley 21 and the second pulley 22 and the sixth pulley 26 is located between the third pulley 23 and the fourth pulley 24 even when they are not arranged in the left-right symmetrical position. It is necessary to satisfy the condition located in

  When the base body 2 is contracted, the fifth pulley 25 moves so as to come into contact with and separate from the first pulley 21 between the first pulley 21 and the second pulley 22 that maintain a certain distance, and the certain distance is maintained. The sixth pulley 26 moves between the third pulley 23 and the fourth pulley 24 to come in contact with and away from the third pulley 23.

  As shown in FIGS. 4 to 6, each of the pulleys 21 to 26 has pulley main body portions (wheels) 21 a to 26 a and shaft portions 21 b to 26 b that rotatably support the pulley main body portions 21 a to 26 a. The shaft portions 21b to 26b are all provided along the front-rear direction. The shaft portion 21b of the first pulley 21 and the shaft portion 23b of the third pulley 23 are attached to pulley support members 27 and 28, which will be described later, and one end (rear end) of the shaft portion 22b of the second pulley 22 is first. It is cantilevered by being attached to the half inner frame 31, and the other end side is inserted through the long hole 51 a, and the pulley main body 22 a is inserted between the pair of plate-like members 51, 52 at the insertion portion. (See FIG. 10). One end (front end) of the shaft portion 24b of the fourth pulley 24 is cantilevered by being attached to the second half inner frame 41, and a pulley body portion 24a is provided on the other end side. Both ends of the shaft portion 25b of the fifth pulley 25 and both ends of the shaft portion 26b of the sixth pulley 26 are attached to the pair of plate-like members 51 and 52 as described above. Note that a fixing tool such as a screw is used to attach the shaft portions 21b to 26b.

  Next, the pulley support members 27 and 28 will be specifically described. Since the pulley support member 27 that supports the first pulley 21 and the pulley support member 28 that supports the third pulley 23 are configured in substantially the same manner, the pulley support member 27 will be described. In FIG. 12, reference numerals corresponding to those of the pulley support member 27 are given and description thereof is omitted.

  The pulley support member 27 includes a base member 50 attached to the first connecting portion 33 of the first base 3, a fixing frame 51 supported by the base member 50, and the first pulley attached to the fixing frame 51. 21. Although not shown, the base member 50 is fitted between the first half inner frame 31 and the first half outer frame 32 and is first connected by the two fixing members 35 and 36 as described above. It is attached to the part 33.

  The lower end portion 50a of the base member 50 is positioned above the lower flange portion 32d of the first half outer frame 32, and the left side surface 50b functions as the end cap 12 that closes the left opening of the first base 3. ing. Further, a concave portion 50c into which the first pulley 21 enters is provided on the inner side of the first base 3 on the right side surface of the base member 50, and a stopper portion 50e for stopping the slider 11 at the end position is provided below the concave portion 50c. A positioning projection 50d is provided on the upper surface.

  The protrusion 50d includes a through hole 31g provided in the upper flange portion 31c of the first half inner frame 31 in the first connecting portion 33, and a notch portion 32g provided in the upper flange portion 32c of the first half outer frame 32. Thus, the first half inner frame 31, the first half outer frame 32, and the base member 50 of the pulley support member 27 are positioned.

  Similarly, the protrusion 50d of the pulley support member 28 has a through hole 41g provided in the upper flange portion 41c of the second half inner frame 41 and a notch provided in the upper flange portion 42c of the second half outer frame 42. The second half inner frame 41, the second half outer frame 42, and the base member 50 of the pulley support member 28 are thereby positioned through the portion 42g.

  Although not shown, the fixing frame 51 has a shape in which a front side wall portion and a rear side wall portion are connected by a connecting portion on the upper left side. As shown in FIG. 12, the first pulley 21 is rotatably supported in the lower part of the base 2 in the vertical direction.

  The pulley main body 21a of the first pulley 21 is a so-called double pulley in which wheels are overlapped in the axial direction, and each wheel is supported by the shaft 21b so as to be independently rotatable. A V-groove around which the endless wire 10 is wound is formed on the peripheral surface of each wheel of the double pulley.

  Next, the endless wire 10 will be described with reference to FIGS. 4 to 6, 11, and 12.

  The endless wire 10 is a steel wire, and is configured by connecting both ends of one long wire. The endless wire 10 is stretched around the pulleys 21 to 26 and is configured to be able to move around in a state where the pulleys 21 to 26 are stretched. As shown in FIGS. 11 and 12, the endless wire 10 is stretched around the pulleys 21 to 26, and the ring-shaped portion 101 at one end is wound around the fifth pulley 25. The second pulley 22, the first pulley 21, the third pulley 23, the fourth pulley 24, and the sixth pulley 26 are sequentially wound around, and the ring-shaped portion 102 at the other end of the wire 10 is wound around the sixth pulley 26. ing.

  Specifically, as clearly shown in FIG. 11, the endless wire 10 has one end portion 101 wound around the first pulley 21 and two wire portions 103 and 104 extending from the first pulley 21. The second pulley 22 is hung from the upper side to the lower side and folded back in the opposite direction. The folded wire portions 103 and 104 are respectively wound around the first pulley 21 from the upper side to the lower side, are further folded in the opposite directions, and extend to the third pulley 23 at the lower part of the base 2. The wire portions 103 and 104 extending to the third pulley 23 are hung from the lower side to the upper side with respect to the third pulley 23 and are further folded back in the opposite direction. The wire portions 103 and 104 are separated from each other and folded in the opposite direction, and the other end portion 102 of the endless wire 10 is wound around the sixth pulley 26. In the following cases, the wire portions 103 and 104 may be referred to as one path portion 103 and the other path portion 104, respectively. In addition, the one end part 101 and the other end part 102 of the endless wire 10 refer to respective end parts on both sides when the two end parts are collectively wound around the first to fourth pulleys 21 to 24.

  Note that the second pulley 22, the first, the third, and the fourth pulleys 21, 23, and 24 in which two of the one path portion 103 and the other path portion 104 are wound together in the middle path of the endless wire 10 are the front A similar double pulley, both path portions 103, 104 are hung around separate wheels. Further, the fifth pulley 25 and the sixth pulley 26 are composed of a single wheel.

  Next, the height and outer diameter of the shaft portions of the pulleys 21 to 26 will be described. The height and outer diameter of the shafts of the pulleys 21 to 26 are provided so that the wire 10 hardly interferes and the wire 10 is as horizontal as possible. However, the wire 10 between the second pulley 22 and the fifth pulley 25 and between the fourth pulley 24 and the sixth pulley 26 is excluded. In addition, the reason for making it horizontal is to suppress a change in the tension of the wire 10 even if the base body 2 is expanded and contracted.

  Specifically, it is configured as follows. As shown in FIG. 12, with respect to the positional relationship in the height direction of the shafts of the pulleys 21 to 26, the shaft portions 22b and 25b of the second and fifth pulleys 22 and 25 are provided at substantially the same height position. The shaft portions 21b, 23b of the third pulleys 21, 23 and the shaft portions 24b, 26b of the fourth and sixth pulleys 24, 26 are provided at substantially the same height. In addition, the shaft portion 22b is the highest, the shaft portion 25b is slightly lower than the shaft portion 22b, the shaft portions 24b and 26b are the same height and slightly lower than the shaft portion 25b, and the shaft portions 21b and 23b are the same. The height is slightly lower than the shaft portions 24b and 26b. On the other hand, the outer diameters of the pulleys 21 to 26 are as follows.

  The outer diameter is set so that the lower end of the second pulley 22 is lower than the lower end of the fifth pulley 25, and the upper end of the first pulley 21 is lower than the lower end of the fifth pulley 25. The wire portions 103 and 104 guided from the first pulley 21 to the first pulley 21 are configured to be substantially horizontal without interfering with the fifth pulley 25. The outer diameters of the first pulley 21 and the third pulley 23 are the same, and the wire portions 103 and 104 guided from the lower end of the first pulley 21 to the lower end of the third pulley 23 are horizontal. The outer diameter of each pulley 23, 24, 26 is set so that the upper end of the third pulley 23 and the upper end of the fourth pulley 24 are the same height, and the upper end of the sixth pulley 26 is slightly lower than that, Thus, the wire portions 103 and 104 guided from the upper end of the third pulley 23 to the upper end of the fourth pulley 24 are configured to be horizontal without interfering with the sixth pulley 26. The slider 11 is provided in each of the two wire portions 103 and 104 that pass through the lowest height position, that is, pass through the lower end of the first pulley 21 and the lower end of the third pulley 23.

  Next, the slider 11 will be described with reference to FIGS. 2, 12, and 13.

  FIG. 13 is a front view showing a state in which a part of the slider is disassembled.

  The slider 11 is fixed to the path portions 103 and 104 of the endless wire 10 spanned between the first and third pulleys 21 and 23, respectively, and the stopper portion 50e of the left pulley support member 27 and the right side It is possible to slide between the pulley support member 28 and the stopper portion 50e. Among these sliders 11, as shown in FIG. 2, one slider 11 is locked to the lower part of the adjacent sliding door D <b> 1 via a door-side receiving member 13, and the other slider 11 is wall-side receiving at the lower part of the wall W. It is locked via the member 14. Since each of these sliders 11 has the same configuration, the right slider 11 will be described in FIG. 2, and the description of the left slider 11 will be omitted.

  The slider 11 includes a guide member 110 that slides on the base body 2A to guide the movement of the slider 11, a cover 111 that sandwiches the endless wire 10 between the guide member 110, a guide member 110, and a wall side. And a connecting member 15 that connects the receiving member 14.

  The guide member 110 is an integrally molded product of synthetic resin, and a wire receiving groove 110a that opens to the left is provided over the entire length in the left-right direction. The depth of the wire receiving groove 110a is set in a range where the endless wire 10 can be sandwiched between the cover 111 and the cover 111. A pair of left and right (not shown) hole portions 110c are provided along the wire receiving groove 110a so that a wire engaging portion 111a (to be described later) of the cover 111 is received. Further, a fitting portion 110b into which the cover 111 is fitted is recessed in the left side portion of the guide member 110.

  Further, as clearly shown in FIGS. 2 and 13, a first guide groove 110d through which the lower flange portion 41d of the second half inner frame 41 is inserted extends over the entire length in the left-right direction. Is provided. Specifically, since the first guide groove 110d is provided with an upper protruding rib at the tip of the lower flange portion 41d, the first guide groove 110d is bent to correspond to the shape of the tip.

  Further, a second guide groove 110e through which the lower flange portion 32d of the first half outer frame 32 is inserted is provided on the right side portion of the guide member 110 over the entire length in the left-right direction below the first guide groove 110d. It has been. Specifically, since the first guide groove 110e is provided with a downward projecting rib at the tip of the lower flange portion 32d (see FIG. 2), it is bent to correspond to the shape of the tip.

  The inner bottom surfaces of the first and second guide grooves 110d and 110e are configured to be in sliding contact with both the front end surfaces of the lower flange portions 41d and 32d in the contracted state of the base body portion 2A. Although not shown in the drawing, both end portions in the left and right direction of these guide grooves 110d and 110e expand in a taper shape and reach the overlapping portion of the first base 3 and the second base 4 in the extended state of the base 2. At this time, the lower flange portions 41d and 32d are easily introduced into the guide grooves 110d and 110e.

  The cover 111 is an integrally molded product of synthetic resin, and includes a main body portion 111b configured in an inverted L shape when viewed from the front, and a pair of left and right (not shown) protruding from the side surface of the main body portion 111b on the guide member 110 side. It is provided with a wire engaging part 111a. The wire engaging portion 111a is configured to be bent upward in a hook shape and to hold the endless wire 10.

  The cover 111 is attached to the fitting part 110b of the guide member 110 in a state where the endless wire 10 is held by the wire engaging part 111a and the wire engaging part 111a is accommodated in the hole 110c. In this state, the endless wire 10 is sandwiched between the guide member 110 and the guide member 110.

  The slider 11 and the endless wire 10 need only be attached so that they do not move relative to each other, and the endless wire 10 is interposed between the guide member 110 and the cover 111 as in this embodiment. For example, the endless wire 10 is fixed with an engaging member to fix the engaging member and the guide member, the ends of the wire are connected via a slider, or Before connecting both ends of the wire, it may be inserted through a predetermined hole of the slider and fixed in this state.

  As shown in FIG. 2, the connecting member 15 is formed by bending a metal plate into a U shape, and a guide member 110 is attached to one end portion with a screw or the like, and the other end portion is screwed to the wall side receiving member 14. It can be attached with.

  In addition, the door side receiving member 13 is attached to the edge part (right end part of FIG. 1) in the closing direction in the facing surface lower part of the adjacent sliding door D1, and the wall side receiving member 14 is the opening direction in the facing surface lower part of the wall W. It attaches to an edge part (left edge part of FIG. 1), and it is comprised so that sliding doors D1 and D2 can be interlocked | linked and an opening part can be obstruct | occluded and opened.

  The sliding door interlocking apparatus 1 configured as described above can expand and contract according to the width of the sliding door D2. The operation of the sliding door interlocking device 1 will be described with reference to FIGS. 1, 2, 4 to 6, 11, and 12.

  FIG. 11 is an explanatory diagram of slider movement accompanying expansion and contraction of the base body, (a) is a conceptual diagram showing the position of the slider before the base body is contracted, and (b) is a view showing the base body. It is a conceptual diagram which shows the relationship between the slider position in the state after contracted, and the position which moves a slider.

  The base body 2A expands and contracts as shown in FIG. 11A when the overlapping portion between the first base 3 and the second base 4 is reduced, and when the overlapping portion is reduced, the base body portion 2A is expanded as shown in FIG. Shrink as shown. At this time, the position of the pulleys 21 to 26 in the opening / closing direction A with respect to the base body 2 changes due to the expansion and contraction of the base body portion 2A, but the endless wire 10 can be held in a stretched state.

  This will be described in more detail. Here, in the extended state shown in FIG. 11A, the two sliders 11 are both located at the base center O, and the distance in the opening / closing direction A from the base center O to the center Y of the first pulley 21 is X, the base center. Let X be the distance in the opening / closing direction A from O to the center Z of the third pulley 23. The base center O refers to the center between the first pulley 21 and the third pulley 23 or the center between the second pulley 22 and the fourth pulley 24.

  The base body 2A is contracted from the state before contraction shown in FIG. In this contraction, as shown in FIG. 11B, the intermediate base 5 does not slide with respect to the second base 4, but the first base 3 slides with respect to the second base 4 by the distance L1. Assume that

  At this time, due to the contraction of the base body 2A, the first pulley 21 and the second pulley 22 attached to the first base 3 move in the same direction by the distance L1 while maintaining a certain positional relationship, and the first pulley The distance from the center Y of the base 21 to the base center O is shortened by L1, but the distance from the second pulley 22 to the fifth pulley 25 is increased by the same length as L1. Therefore, the stretched state of the endless wire 10 is maintained.

  Along with such contraction, the base center O moves to a position away from the first pulley 21, and the distance between the base center O ′ after the movement and the base center O before the movement becomes L1 / 2. At this time, even if the distance from the center Y of the first pulley 21 to the base center O is shortened by L1, the distance from the second pulley 22 to the fifth pulley 25 is increased by the same length as L1, Since both the two sliders 11 remain at the base center O, the positions of both sliders 11 appear to be shifted to the left by L1 / 2 from the base center O ′ after the movement.

  Therefore, the intermediate base 5 is slid to the right by L1 / 2, that is, the fifth pulley 25 and the sixth pulley 26 are slid to the right by L1 / 2 as indicated by broken lines, so that both sliders 11 It becomes possible to make the position coincide with the substrate center O ′. At this time, the absolute value of the displacement Δ1 (L1 / 2) of the intermediate substrate 5 relative to the first substrate 3 is equal to the absolute value of the displacement Δ2 (L1 / 2) of the intermediate substrate 5 relative to the second substrate 4. In addition, the intermediate substrate 5 comes to be positioned. The displacement amounts Δ1 and Δ2 refer to the displacement amounts from the initial state before the base body portion 2A is expanded and contracted to after the intermediate base body 5 is slid.

  Contrary to the above assumption, the above-described assumption is that the intermediate base body 5 does not slide with respect to the first base body 3 due to the contraction of the base body 2A, and the second base body 4 is only a distance L1 from the first base body 3. The same applies when sliding. That is, the third pulley 23 and the fourth pulley 24 attached to the second base body 4 move in the same direction by a distance L1 while maintaining a certain positional relationship, and from the center Z of the third pulley 23 to the base center O. However, the distance from the fourth pulley 24 to the sixth pulley 26 is increased by the same length as L1. Therefore, the stretched state of the endless wire 10 is maintained.

  Then, the intermediate base 5 is slid to the left by L1 / 2, that is, the fifth pulley 25 and the sixth pulley 26 are slid to the left by L1 / 2, so that the positions of both sliders 11 coincide with the center of the base. It becomes possible. In this case as well, the intermediate base 5 is located at a position where the absolute value of the displacement amount Δ1 (L1 / 2) and the absolute value of the displacement amount Δ2 (L1 / 2) are equal.

  The intermediate base 5 is not configured to move in conjunction with the movement of the first base 3 and the second base 4, and moves independently of the movement of the first base 3 and the second base 4, for example, When the intermediate substrate 5 is in contact with the first substrate 3, it slides with the first substrate 3, and when the intermediate substrate 5 is in contact with the second substrate 4, it slides with the second substrate 4. Things can happen. Under such circumstances, even if the intermediate substrate 5 moves to the left and right during the contraction and the sliders 11a and 11b are displaced, the displacement occurs symmetrically. Similarly to the above-described case where the positional relationship is changed with only one of the two substrates 4, the intermediate substrate 5 can be moved to a position where the absolute value of the change Δ1 and the absolute value of the change Δ2 are equal.

  Therefore, in this sliding door interlocking apparatus 1, when the base body portion 2A is contracted, and the first pulley 21 and the third pulley 23 approach each other, the second pulley 22, the fifth pulley 25, the fourth pulley 24, and the second pulley 24 6 pulleys 26 are separated from each other, and the sum of these distances is equal to the distance between the first pulley 21 and the third pulley 23, so that the endless wire 10 can be stretched even if the base body 2A is contracted. Can be maintained in the installed state. In addition, the shaft portion 22b is inserted inside the long hole 51a so as not to disturb the relative movement with the second pulley 22, and a notch 51b provided on the lower left side of the two plate-like members 51, 52, 52b is configured not to prevent relative movement with respect to the fourth pulley 24, the intermediate base 5 can be moved, and the absolute amount of change Δ1 of the intermediate base 5 with respect to the first base 3 can be increased. The intermediate substrate 5 can be moved to a position where the value and the absolute value of the variation Δ2 of the intermediate substrate 5 with respect to the second substrate 4 are equal.

  The above is the same when the base body 2A is extended, and the endless wire 10 can be held in a stretched state even when the base body 2A is extended, and the absolute value of the variation Δ1. And the intermediate substrate 5 can be moved to a position where the absolute value of the change amount Δ2 becomes equal. However, in this extension, when the first pulley 21 and the third pulley 23 are separated from each other, the second pulley 22 and the fifth pulley 25 and the fourth pulley 24 and the sixth pulley 26 are brought closer to each other, and the approached distances thereof. Therefore, the absolute value is used for the change amount Δ1 and the change amount Δ2. The shaft portion 22b of the second pulley 22 that moves with the expansion and contraction of the base body portion 2A passes through the long hole 51a, and the fourth pulley 24 that moves with the expansion and contraction of the base body portion 2A has plate-like members 51 and 52. It passes through a notch provided on the lower left side.

  Regarding the movement of the intermediate substrate 5 described above, since the intermediate substrate 5 is provided inside the substrate 2 in this embodiment, instead of directly moving the intermediate substrate 5, the sliders 11 and the first pulleys 21 are moved. An endless wire 10 between the first pulley 23 and the third pulley 23 may be used. In that case, both sliders 11 should just contact | abut to the stopper part 50e as long as it can move to the opening-and-closing direction both sides, for example, this embodiment. As a result, both sliders 11 can be positioned at the movable limit (end position) on both sides, which is a bilaterally symmetric position across the center of the substrate. Thereafter, if one slider 11 is moved to the center of the substrate as necessary, the remaining sliders are also moved to the center of the substrate.

  Therefore, according to the present embodiment, the position of each slider 11 changes due to the expansion and contraction of the base body portion 2A. However, by displacing the intermediate base body 5 in the opening / closing direction, the position of each slider 11 is changed to the desired position. For example, it can be aligned with the center position in the opening / closing direction A of the base 2 or the end position where the slider 11 is movable (the position where it abuts against the stopper portion 50e). As a result, if the entire length of the base body 2A is held at a predetermined length corresponding to the door width, both sliders 11 can be set at the center position or the end position, and thus engaged with each slider 11. Even if the receiving members 13 and 14 are attached to the predetermined positions in advance, the connecting members 15 of the sliders 11 can be connected to the corresponding receiving members 13 without aligning the sliders 11 with the receiving members 13 and 14. , 14 can be attached.

  Further, after the intermediate substrate 5 moves as described above, the position of each slider 11 with respect to the center of the substrate does not change. For this reason, the slider 11 whose position has shifted from the center of the base body due to the expansion and contraction of the base body 2A needs to be temporarily removed from the endless wire 10, and the slider 11 needs to be reattached to the position of the endless wire 10 corresponding to the base body after the expansion and contraction. (However, this includes the case where the slider 11 is reattached to another position of the endless wire 10 without being detached from the endless wire 10).

  Furthermore, according to the sliding door interlocking device 1, the sliding door D2 is configured to be extendable in the opening / closing direction (left and right direction in each drawing), and the first and third pulleys 21 that are movable ranges of the slider 11 according to the expansion and contraction, Since the length of the corresponding portion of the endless wire 10 spanned between 23 can also be adjusted appropriately, this door width is obtained by expanding and contracting the base body portion 2A according to the door width of the sliding doors D1 and D2. Can respond flexibly. For this reason, it is not necessary to prepare the sliding door interlocking device of various dimensions according to the door width of the sliding door, and it is excellent in versatility, and the length dimension is flexibly adjusted according to the sliding door at the site when the device 1 is installed. Therefore, the handleability can be improved.

  Furthermore, since the endless wire 10 is wound around the pulleys 21 to 26 when the intermediate base 5 slides, the pulleys 21 to 26 are driven to rotate as the endless wire 10 slides. Smooth circular movement of the wire 10 can be ensured. Moreover, since the pulleys 21 to 24 in the midway path of the endless wire 10 are so-called double pulleys, smoother movement of the endless wire 10 can be configured relatively easily.

  Furthermore, in the present embodiment, as shown in FIGS. 2 and 13, each slider 11 has a lower flange portion 31d of the first or second half inner frame 31, 41 on the back bottom surface of the first guide groove 110d. 41d is slidably contacted, and the lower flange portions 31d and 42d of the first or second half-split outer frames 32 and 42 are slidably contacted to the bottom surface of the second guide groove 110e, thereby guiding the sliding movement. .

  Furthermore, since each of the sliders 11 is provided with guide grooves 110d and 110e corresponding to both the inner and outer frames, the first and second bases 3 and 4 are in the extended state of the base body 2A. Since the lower flange portions 31d, 32d, 41d, and 42d are in sliding contact with any one of the guide grooves 110d and 110e even when they are located in a region where they do not overlap with each other, the slider 11 can be used regardless of the expansion and contraction of the base body portion 2A. Can be reliably and easily guided.

  In the sliding door structure of the present embodiment in which the sliding door interlocking device 1 configured as described above is installed, the slider 11 on the adjacent sliding door D1 side moves in accordance with the opening / closing operation of the adjacent sliding door D1. Along with the movement of the slider 11, the slider 11 on the wall W side is fixed, although it moves around between the fifth pulley 25 and the sixth pulley 26 on which both ends of the endless wire 10 are hung. Therefore, an opening / closing operation force acts on the pulleys 21 to 26 around which the endless wire 10 is stretched, and the sliding door D2 is also opened and closed. A part of each of the pulleys 21 to 26 of the sliding door interlocking device 1 corresponds to a moving pulley, and the movement amount is half of the movement amount of the adjacent sliding door side slider 11. Thereby, since the sliding door D2 moves by the door width with respect to the movement amount twice the door width of the adjacent sliding door D1, the sliding doors D1 and D2 superimposed in the door pocket in the fully opened state are in the fully closed state. The opening can be closed.

  In addition, the sliding door interlocking apparatus 1 demonstrated above is one Embodiment of the sliding door interlocking apparatus of this invention, About the specific structure etc., it can change suitably in the range which does not deviate from the meaning. Hereinafter, modifications of the present embodiment will be described.

  (1) Although the sliding door interlocking apparatus 1 of the said embodiment is applied to the sliding door with the door pocket (front opening type door pocket) which opens and closes an opening part with two sliding doors D1 and D2, the number of sliding doors is plural. All the sliding doors can be easily interlocked by providing a plurality of sliding door interlocking devices as long as the number of sheets is increased.

  For example, as shown in FIG. 14, when this sliding door interlocking device 1 is applied to the four sliding doors D1 to D4 disposed between the vertical frames E on both sides of the opening, the sliding door interlocking is provided below the sliding doors D2 and D4. The devices 1A and 1B are installed, and the sliding door D1 sandwiching the sliding door D2 is provided with a receiving member 13 on the side of the sliding door D2 on the closing direction side, and one sliding door D3 has a surface on the sliding door D2 side. In addition, the receiving member 14 is disposed in the opening direction side portion, and in addition, the sliding door D3 is configured such that the receiving member 13 is disposed in the closing direction side portion of the surface on the sliding door D4 side.

  Furthermore, as shown in FIG. 15, when this sliding door interlocking apparatus 1 is applied to the five sliding doors D1 to D5 arranged between the vertical frames E on both sides of the opening, in addition to the above configuration, the sliding door D5 The receiving member 14 is arranged on the opening direction side portion of the surface on the sliding door D4 side.

  (2) In the above embodiment, the tension state of the endless wire 10 is adjusted in addition to the pulleys 21 to 26 disposed in the base body 2 or instead of any one or more of these pulleys 21 to 26. An attached pulley may be provided. For example, when an attached pulley is provided instead of the pulley 21, a force for pressing the shaft portion 21 b to the left is applied. A spring, rubber, or the like is used as the means for applying the pressing force.

  Moreover, when providing an attachment pulley in addition to the pulleys 21-26 as mentioned above, it is good also as a structure which adjusts the tension state by pushing the endless wire 10 part between pulleys upward or downward.

  (3) In the above embodiment, the base body 2 that is elongated in the height direction (vertical direction) is used, and the pulleys 21 to 26 having the axial center along the front-rear direction are disposed. Instead, for example, a pulley having an axis along the height direction may be provided by using the above-described embodiment in a sideways state.

  (4) In the above embodiment, the sliding door interlocking device 1 is provided in the lower part (specifically, the lower end part) of the sliding door D2, but may be used in the upper part (for example, the upper end part) of the sliding door D2. . In this case, it is only necessary to use the sliding door interlocking apparatus 1 by turning it upside down, and each part is designed accordingly.

  Moreover, in the furniture etc. which are installed around the kitchen sink etc., the case where it provides in the center part of a sliding door is also considered. In this case, a groove-like slit is provided at a corresponding portion of the sliding door.

  (5) In the above embodiment, the endless body using the annular steel wire 10 has been described. However, the endless body is not limited to the steel wire, and may be another wire such as an iron wire, or may be made of rubber. Various endless belts made of synthetic resin or chemical fiber may be used.

  (6) In the above-described embodiment, the pulleys 21 to 26 that are rotatably attached to the base body 2 are used as a guide body. However, the guide body is engaged with an endless body to smoothly move the pulley. The specific configuration is not particularly limited as long as it can be guided, and for example, a low friction cylindrical body that smoothly slides on an endless body may be used.

  (7) In the above embodiment, the first and second bases 3 and 4 are composed of the inner and outer halved frames 31, 32, 41 and 42, but the first and second bases 3 are used. The specific configuration of 4 is not limited to this, and for example, the first and second bases configured simply from the inner and outer cylindrical bodies that are fitted together may be used. In this case, it is necessary to provide a groove-shaped guide body insertion hole at a corresponding portion of the inner cylinder body so that the guide body attached to the outer cylinder body protrudes into the base body.

D1 Adjacent sliding door D2 Adjacent sliding door 1 Sliding door interlocking device 2 Base 2A Base body 3 First base 4 Second base 5 Intermediate base 21 First pulley (corresponding to the first guide body)
22 Second pulley (equivalent to second guide body)
23 Third pulley (equivalent to third guide body)
24 4th pulley (equivalent to 4th guide body)
25 Fifth pulley (equivalent to fifth guide body)
26 6th pulley (equivalent to 6th guide body)
10 Endless wire (equivalent to endless body)
11 Slider

Claims (3)

A sliding door interlocking device that is attached to a sliding door, engages with an adjacent sliding door and opens and closes the sliding door in conjunction with the adjacent sliding door,
A base body extending along the opening / closing direction of the sliding door and having an opening for inserting a slider extending along the opening / closing direction;
A plurality of guide bodies housed inside the substrate;
An endless body stretched around the plurality of guide bodies and stretched around the guide body;
A slider fixed to the endless body and engaged with the adjacent sliding door through the slider insertion opening;
The base body includes a first base body, a base body portion having a second base body slidably attached to the first base body so as to be slidable in the opening and closing direction, and the base body portion inside the base body portion. An intermediate base body slidably disposed in the opening and closing direction, and the base body portion is configured to be extendable and contractible by the relative sliding movement of the second base body and the first base body,
The plurality of guide bodies include a first guide body attached to the first base body, a second guide body attached to the first base body closer to the second base body than the first guide body, and the second base body. A third guide body attached to the second base body, a fourth guide body attached to the second base body closer to the first base body than the third guide body, and between the first guide body and the second guide body in the opening and closing direction A fifth guide body attached to the intermediate base body, and a sixth guide body attached to the intermediate base body between the third guide body and the fourth guide body in the opening and closing direction,
The endless body extends from the fifth guide body to the second guide body in a state in which two end members are stretched from the first guide body to the sixth guide body, and the second guide body, the first guide body, By being wound around in order of the third guide body and the fourth guide body, each guide body is folded in the opposite direction and guided to the sixth guide body,
Each of the pair of sliders is attached to each of the two pieces spanned between the first guide body and the third guide body,
The intermediate base is a position where the absolute value of the displacement relative to the first base is equal to the absolute value of the displacement relative to the second base in accordance with relative sliding movement of the first base and the second base. The sliding door interlocking device is characterized by being configured to be movable.   The sliding door interlocking device according to claim 1, wherein the guide body is a pulley rotatably attached to the base body.   Among the pulleys, the first guide body, the second guide body, the third guide body, and the fourth guide body on which the two endless bodies are spanned are overlapped in the axial direction and each The sliding door interlocking device according to claim 2, wherein the sliding door interlocking device is a double pulley that can rotate independently.

Images