JP5201384B2 - Sliding folding door - Google Patents

Description

  The present invention relates to a sliding folding door having a function for prohibiting folding when the folding door is closed.

  Folding doors have been widely used for bathrooms and closet openings, movable partitions of rooms, and the like because the storage space of the door when opened is smaller than the opening door and the opening can be made larger. In recent years, folding doors are also used as a partition between an external space such as balconi and an indoor space such as a living room in a building.

  As a conventional folding door structure, a door body is attached to guide rails provided above and below a door frame via a rotation shaft, and the rotation shaft slides along the guide rail, and the front end of the facing door body. A folding door having a structure in which the door can be folded and opened by connecting the parts with a hinge or the like is known. In addition, there has also been proposed a folding door combining a plurality of door bodies so as to be foldable as a folding door that opens and closes between the upper and lower guide rails and slides left and right as a sliding door (see, for example, Patent Document 1). ).

Conventionally, in the closed state of these folding doors, when prohibiting folding of the folding doors, when using a French drop type that protrudes the rod bar from the lower end of the door plate and fits into the groove of the lower guide rail As shown in FIG. 12, a lever 102 that is rotatable on one door plate 101 in the folding door 100 and a receiving member 104 on the other door plate 103, and by locking the lever 102 to the receiving member 104, There are cases in which a lock 105 or the like that prohibits folding of the folding door 100 is used.
JP 2000-96936 A

  In the sliding door combined use folding door as shown in Patent Document 1, when sliding left and right as a sliding door, the door plate may be folded, and this makes contact with other folding doors arranged in parallel in the door frame. Things that happen.

  In addition, when the French drop format is used to prohibit folding of the folding door, not only the folding of the folding door but also the sliding of the folding door is prohibited. The French lock type locking device cannot be used when sliding to the left or right while being prohibited.

  In addition, when using a simple hooking lock as shown in FIG. 12, the lever may be detached from the receiving member due to a strong impact or vibration. In addition, in a sliding door combined folding door where a plurality of folding doors are installed in parallel, when the locking lock protrudes from the surface of the door, the locking lock does not come into contact with other folding doors etc. when the folding door slides. It is necessary to consider, and a gap corresponding to at least the thickness of the inner lock is required between the folding door and the other folding door.

  The present invention has been made in view of these points, and an object thereof is to provide a folding door that has a simple structure for prohibiting folding when the folding door is closed and that is slidable even when folding is prohibited. To do.

In order to achieve the above object, in the folding door according to claim 1, the opposing one end sides of the two door bodies are connected and fixed in a foldable manner, and the other end portions of the respective door bodies are connected to the door. In a folding door attached to a pillar member slidably provided along the frame, it slides so that it can be inserted into and removed from a receiving portion provided on one end side of the other door body protruding from one end side of the one door body. It is characterized by comprising a movable lock stopper, and one slidable restricting stopper that locks the lock stopper at the lock position where the lock stopper is inserted into the receiving part or at the unlocked position where the lock stopper is discharged from the receiving part.

According to a second aspect of the present invention, the restriction stopper slides to a restriction position that restricts movement of the lock stopper in the lock position toward the unlock position and a restriction release position that permits movement toward the lock release position. together are movable, said a restriction position for restricting the movement of the lock stopper lock position direction, provided slidably to a restriction releasing position for allowing movement of the lock position direction in the unlocked position It is characterized by being.

  Moreover, in the folding door of Claim 3, while the said lock stopper and the said control stopper are accommodated in the inside of any one of the said two door bodies, the said lock stopper and the said control stopper A lock stopper slit and a restriction stopper slit extending in the stopper moving direction are formed on the surface of the one door body, and the lock stopper slit and the restriction slit are respectively formed on the lock stopper and the restriction stopper. A knob portion protruding from the surface of the one door is projected through the stopper slit.

  The folding door according to claim 4 is characterized in that the lock stopper and the knob portion of the restriction stopper can be folded and housed inside the lock stopper slit and the restriction stopper slit, respectively.

  In the folding door according to claim 5, the lock stopper and the restriction stopper are formed in a stepped portion provided by stepping down at least a protrusion height of the knob portion in the one door body. It is characterized by that.

  According to the folding door according to claim 1, when the folding door is closed, the lock stopper is moved to a lock position where folding of the two door bodies is prohibited, and the restriction stopper is in the lock position. The folding of the door can be prohibited by moving to a position that restricts the movement of the stopper toward the unlocking position. Therefore, the folding door is slid along the door frame while the folding of the folding door is prohibited. It becomes possible to do. Further, since the movement of the lock stopper is regulated by the regulation stopper, it is possible to prevent the lock from being released due to a strong impact or vibration, and the release operation can be performed only by the movement of each stopper. The operation is simple.

  Moreover, according to the folding door of Claim 3, while the said lock stopper and the said control stopper are accommodated in the inside of any one of the said two door bodies, movement of each said stopper is carried out. A slit for a lock stopper and a slit for a restriction stopper respectively extending in the direction are formed on the surface of the one door body, and each of the stoppers passes through the lock stopper slit and the restriction stopper slit, respectively. By providing the knob portion protruding from the surface of the door body, the stopper portion can be operated by grasping the knob portion, so that it is possible to easily prevent or release the folding.

  Furthermore, in the folding door according to claim 4, since the knob portion of each stopper can be folded and housed in each slit, the knob portion is attached to the door except when the stopper is moved. It is possible to provide without protruding from the surface, and the knob portion can slide the folding door without contacting other folding doors provided in parallel. Further, even in the folding door according to claim 5, the same effect is obtained by forming a stepped portion provided by stepping down at least the protruding height of the knob portion in the one door body. be able to.

  Embodiments of the present invention will be described below with reference to the drawings. Drawing 1 is a figure showing an example of folding door 1 concerning an embodiment of the invention, and is a front view at the time of seeing from the folding direction side (the side where a folding door protrudes convexly when a folding door is folded up). FIG. 2 is an enlarged view of the folding prohibiting portion 2 in the folding door 1, and FIG. 3 is an enlarged perspective view of the folding prohibiting portion 2 when the folding door 1 is folded.

  In the folding door 1 shown in FIG. 1, two door bodies 3, 4 are connected to each other on a side opposite to the folding direction at one end facing each other via a hinge 5, and the two door bodies 3, 4 are connected. Column members 6 are connected via hinges 7 to the folding direction side of the other end. A door pulley 8 is provided at the lower end portion of the column member 6 so as to be slidable along the door frame, and at the upper end portion of the column member 6 there is a door wheel 9 for preventing blurring of the folding door. Is provided. In addition, a handle 10 for pulling the folding door 1 and a handle 11 for pulling it sideways when sliding the folding door 1 are provided on the folding direction side of the two door bodies 3 and 4. Yes.

  In addition, a folding prohibiting portion 2 for prohibiting folding when the folding door 1 is closed is provided at an upper portion and a lower portion of the opposed front end portions of the door bodies 3 and 4, respectively. As shown in FIGS. 2 and 3, the folding-inhibiting portion 2 protrudes from one end side of the door body 4 and can be freely inserted into and removed from an insertion hole 12 as a receiving portion provided on one end side of the door body 3. The lock stopper 13 is slidable in the left-right direction as described above, and the lock stopper 13 is ejected from the insertion hole 12 when the lock stopper 13 is disposed at the lock position inserted into the insertion hole 12. In order to restrict or allow movement in the unlocking position direction (right direction on the paper surface), the restriction stopper 14 provided so as to be slidable in the vertical direction, and the lock stopper 13 are provided on the door 4 side. Slides up and down to restrict or allow the lock stopper 13 to move toward the lock position when it is in the unlocked position so as to fit inside And a regulating stopper 15 provided on ability.

  Further, inside the door body 4, a storage hole 16 for storing the lock stopper 13 so as to be slidable in the left-right direction, and a storage hole 17 for storing the restriction stopper 14 so as to be slidable in the vertical direction. In addition, a storage hole 18 is provided for storing the restriction stopper 15 so as to be slidable in the vertical direction.

  Further, as shown in FIG. 3, on the folding direction side surface of the door body 4, the slit 19 for the lock stopper 13 formed in the movement direction of each stopper, the slit 20 for the restriction stopper 14, And a slit 21 for the restriction stopper 15 is provided, and each stopper is provided with a knob portion 23 so as to protrude from the surface of the stepped portion 22 of the door body 4 through the slit. ing. Since the stepped portion 22 is formed to be stepped lower than the protruding height of the knob portion 23, the knob portion 23 does not protrude outward from the surface of the door body 4. When the folding door 1 is slid, it is possible to prevent contact with other folding doors installed in parallel. In addition, although the example provided with the folding prohibition part 2 is shown in FIG. 1, it is not limited to the said embodiment, What is necessary is just to provide at least 1 place.

  FIG. 4 is a perspective view illustrating an example of the lock stopper 13, and FIG. 5 is a perspective view illustrating an example of the regulation stopper 14. In the lock stopper 13 shown in FIG. 4, the knob portion 23 passes through the slit 19 as shown in FIG. 3 in a horizontally long substantially rectangular parallelepiped stopper member 24 so as to intersect the stepped portion 22 of the door body 4 at a substantially right angle. Is attached. Further, in the restriction stopper 14 shown in FIG. 5, the knob portion 23 is attached to a vertically long substantially rectangular parallelepiped stopper member 25 so as to cross the stepped portion 22 of the door body 4 at a substantially right angle through the slit 20. ing. As for the restriction stopper 15, it is possible to use one having substantially the same shape as the restriction stopper 14.

  FIG. 6 is a perspective view showing another embodiment of the stopper. In the stopper 26 shown in FIG. 6, the knob portion 27 can be folded, so that the step 26 can be folded without forming the step-down portion 22 as shown in FIG. By folding the knob portion 27, the knob portion 27 can be housed in the slits, so that the knob portion 27 can be prevented from projecting to the surface of the door body 4. Further, since the stopper 26 can be accommodated in the slits except during the movement operation, the stopper 26 can be structured in consideration of the appearance of the folding prohibiting portion 2.

  Next, FIG. 7 shows a method of prohibiting folding. FIG. 7 (a) is a cross-sectional view taken along line AA when locked, and FIG. 7 (b) is a cross-sectional view taken along line AA when unlocked. ing. In FIG. 7A, the lock stopper 13 is inserted into the insertion hole 12 of the door 3 in order to prohibit folding of the folding door 1, thereby locking the door 3 and the door 4. Placed in position. The restriction stopper 14 is disposed at the lower end of the storage hole 17 so that the lock stopper 13 is not unlocked, and the restriction stopper 15 allows the lock stopper 13 to move in the lock position direction. Therefore, it is arranged at the upper end of the storage hole 18. Thereby, since the movement of the lock stopper 13 in the unlocking position direction is restricted by the restriction stopper 14, the folding door 1 can be kept from being folded.

  In FIG. 7B, the lock stopper 13 is disposed at the unlocking position at the right end of the storage hole 16 to allow the folding door 1 to be folded, and the restriction stopper 14 is disposed on the lock stopper 13. In order to allow movement in the unlocking position direction, it is arranged at the upper end portion of the storage hole 17, and the restriction stopper 15 is arranged at the lower end portion of the storage hole 18 in order to restrict movement of the lock stopper 13 in the lock position direction. Placed in. Thereby, since the movement of the lock stopper 13 in the lock position direction is restricted by the restriction stopper 15, it is possible to maintain a state in which the folding door 1 is allowed to be folded.

  FIG. 8 shows another embodiment of the folding prohibiting portion, and FIG. 9 shows a perspective view at the time of folding in FIG. In the folding prohibiting portion 2a shown in FIGS. 8 and 9, a lock stopper 13a for prohibiting the folding of the folding door 1a on the door body 4a and a regulating stopper for regulating the movement of the locking stopper 13a at the locked position or the unlocked position. 28, and a storage hole 16a for storing the lock stopper 13a in a slidable manner and a storage hole 29 for accommodating the regulation stopper 28 in a slidable manner are provided inside the door body 4a. Is provided. Further, an insertion hole 12a is provided inside the door body 3a so as to be inserted when the lock stopper 13a is moved to the lock position. Further, a slit 19a formed extending in the moving direction of the lock stopper 13a and a slit 30 formed extending in the moving direction of the restriction stopper 28 are provided on the surface of the door 4a in the folding direction. Yes.

  FIG. 10 shows a method of prohibiting folding in the folding prohibiting portion 2a. FIG. 10 (a) is a sectional view taken along the line BB when locked, and FIG. 10 (b) is a sectional view taken along the line BB when unlocked. . As shown in FIG. 10 (a), at the time of locking, the lock stopper 13a is inserted into the insertion hole 12a of the door 3a in order to inhibit the folding door 1a from being folded. It will be arrange | positioned in the locked position straddling 3a and the said door 4a. The restriction stopper 28 is disposed at the lower end of the storage hole 29 so as not to unlock the lock stopper 13a. Thereby, since the movement of the lock stopper 13a toward the unlocking position is restricted by the restriction stopper 28, it is possible to maintain a state in which the folding of the folding door 1a is prohibited.

  Further, as shown in FIG. 10B, at the time of unlocking, in order to allow folding of the folding door 1a, the lock stopper 13a is disposed at the unlock position at the right end of the storage hole 16a, and The restriction stopper 28 is disposed at the lower end of the storage hole 29 in order to restrict movement of the lock stopper 13a in the lock position direction. Thereby, since the movement of the lock stopper 13a in the lock position direction is restricted by the restriction stopper 28, it is possible to maintain a state in which the folding door 1a is allowed to be folded.

  FIG. 11 shows still another embodiment of the folding prohibiting portion, FIG. 11 (a) is a perspective view when locked, and FIG. 11 (b) is a perspective view when unlocked. In FIG. 11, there is provided a lock stopper 13b that is slidable in the left-right direction so as to protrude from one end side of the door body 4b and to be inserted into and removed from a support member 31 as a receiving portion provided on one end side of the door body 3b. A restricting stopper 14a that is slidable in the vertical direction to restrict or allow the lock stopper 13b to move toward the unlocking position so that the lock stopper 13b is ejected from the support member 31, and the lock When the stopper 13b is in the unlocking position arranged so as to fit within the surface of the door 4b, it can slide up and down to restrict or allow the locking stopper 13b to move in the lock position direction. A restriction stopper 15a is provided. Each stopper 13b, 14a, 15a is provided with a locking piece 32, respectively.

  On the folding direction side surface of the door body 4b, a support member 33 for enabling the lock stopper 13b to be supported and a slide movement in the left and right direction, and a support member 33 and a slide movement in the up and down direction are provided. Two support members 34 are provided for each of them, and two support members 35 for supporting the restriction stoppers 15a and allowing them to slide in the vertical direction. The support members also play a role of locking the locking pieces 32 provided in the stoppers, and the locking pieces 32 are locked by the support members, thereby the stoppers. The movement range is regulated.

  FIG. 11A shows the folding door 1b being locked, and the lock stopper 13b is inserted into the support member 31 provided in the door body 3b in order to prohibit folding of the folding door 1b. Thereby, it arrange | positions in the locked position straddling the said door 3b and the said door 4b. Further, the restriction stopper 14a is arranged at a position where the locking piece 32 is locked to the lower support member 34 of the support member 34, so that the lock stopper 13b moves toward the unlock position. Is restricted from moving. Thereby, it becomes possible to maintain the state which prohibits folding of the folding door 1b.

  Further, in FIG. 11B, the lock stopper 13b is disposed at an unlock position where the folding door 1b is allowed to be folded within the surface of the door body 4b in order to allow the folding door 1b to be folded, and the restriction stopper 15a is The movement of the lock stopper 13b in the lock position direction is restricted by being disposed at a position where the locking piece 32 is locked to the lower support member 35 among the members 35. Thereby, it becomes possible to maintain the state which permits the folding of the folding door 1b.

  In addition, the folding prevention function in the present invention is not only used for folding doors, but can naturally be used for hinged doors and the like that can be configured as described above.

It is a figure which shows an example of a structure of the folding door which concerns on embodiment of this invention. It is an enlarged view of the folding prohibition part in FIG. It is an expansion perspective view which shows the folding prohibition part at the time of folding in FIG. It is a perspective view which shows an example of a 1st stopper. It is a perspective view which shows an example of a 2nd stopper. FIG. 9 shows another embodiment of the stopper, wherein (a) is a perspective view during a moving operation, and (b) is a perspective view during storage. The method of prohibiting folding is shown. (A) is a cross-sectional view taken along line AA when locked, and (b) is a cross-sectional view taken along line AA when unlocked. It is an enlarged view of the folding prohibition part in other embodiment. It is an expansion perspective view which shows the folding prohibition part at the time of folding in other embodiment. The method of the folding prohibition in other embodiment is shown, (a) is the BB sectional drawing at the time of locking, (b) is BB sectional drawing at the time of lock release. FIG. 6 shows a method of prohibiting folding in still another embodiment, wherein (a) is a perspective view when locked, and (b) is a perspective view when unlocked. It is a perspective view which shows an example of the conventional hooking lock.

Explanation of symbols

1, 1a, 1b Folding door 3, 3a, 3b Door body 4, 4a, 4b Door body 6 Column member 12, 12a Insertion hole (receiving part)
13, 13a, 13b Lock stopper 14, 14a Restriction stopper (first restriction stopper)
15, 15a Restriction stopper (second restriction stopper)
19, 19a Slit (for lock stopper)
20 Slit (for first regulating stopper)
21 Slit (for second regulating stopper)
22 Stepped part 23 Knob part 28 Restriction stopper 30 Slit

Claims (5)

Folding doors attached to column members provided to slidably connect the other end portions of the respective door bodies along the door frame while foldably connecting and fixing opposite one end sides of the two door bodies. In
A lock stopper that is slidable so as to be freely inserted into and removed from a receiving portion provided on one end side of the other door body protruding from one end side of the one door body;
A sliding type folding door comprising: a slidably movable restricting stopper that locks the lock stopper at a lock position at which the lock stopper is inserted into the receiving portion or an unlock position at which the lock stopper is discharged from the receiving portion. The restriction stopper is provided so as to be slidable between a restriction position that restricts movement of the lock stopper in the lock position toward the lock release position and a restriction release position that permits movement in the direction of the lock release position . with a restriction position for restricting the movement to the lock position direction of the lock stopper in the unlocked position, and being provided slidably to a restriction releasing position for allowing movement of the lock position direction The folding door according to claim 1. The lock stopper and the restriction stopper are housed inside any one of the two door bodies,
A lock stopper slit extending in the movement direction of the lock stopper and the restriction stopper, and a restriction stopper slit are formed on the surface of the one door body,
The lock stopper and the restriction stopper are each provided with a knob portion protruding from the surface of the one door through the lock stopper slit and the restriction stopper slit, respectively. Item 2. The folding door according to item 1.   The folding door according to claim 3, wherein the lock stopper and the knob portion of the restriction stopper can be folded and housed inside the lock stopper slit and the restriction stopper slit, respectively. The lock stopper and the restriction stopper are
5. The folding door according to claim 3, wherein the folding door is formed in a stepped portion provided at least by a protruding height of the knob portion among the one door body.

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