JP4862339B2 - Blind device - Google Patents

Description

  The present invention relates to a blind device that is arranged on a window of a building to conceal the interior of the room and performs light shielding, sound insulation, heat insulation, and the like.

Japanese Utility Model Publication No. 4-90690

  In Patent Document 1, a connecting portion connected to the link mechanism, an engaging portion engaged with the back surface of the blade so as to prevent lateral movement with respect to the blade disposed between the pair of vertical frames, and a connection A blind device has been proposed in which a plurality of blades are supported by a plurality of blade supports (holders) each having a shaft portion disposed between the first portion and the engaging portion.

  By the way, in such a blind device, since the blade support is engaged with the back surface of the blade by the engaging portion so as to prevent lateral movement with respect to the blade, the expansion and contraction due to thermal expansion or the like of the plurality of blades is caused. In order to maintain a state in which the plurality of blades can be smoothly moved up and down and tilted even when they occur, it is necessary to provide a gap in consideration of the expansion and contraction that can occur in the blades between the vertical frame and the plurality of blades. There is a possibility that the inside and outside of the building communicate with each other through such a gap, and thus it is difficult to improve the light shielding property, the air tightness, the heat insulating property and the sound insulating property.

  Further, when the shaft portion of the blade support is inserted through a slit formed in a pair of vertical frames, and when the ends of the plurality of blades are adjacent to the slit in the closed state of the opening communicating inside and outside the building However, there is a possibility that the inside and outside of the building communicate with each other through the slit, and thus it is difficult to improve the airtightness, heat insulation and sound insulation.

  This invention is made | formed in view of the said points, The place made into the objective is to provide the blind apparatus excellent in light-shielding property, airtightness, heat insulation, and sound insulation.

  A blind device according to the present invention includes a pair of vertical frames that define an opening that communicates with the inside and outside of a building, a plurality of blades that are arranged between the pair of vertical frames and are juxtaposed with each other in the vertical direction, A plurality of blade supports that respectively support the end portions of the blades, and means for performing at least one of raising and lowering and tilting of the plurality of blades via the plurality of blade supports. The blade support on the vertical frame side has a fitting portion that is fitted to one end of the blade so as to be slidable in the lateral direction.

  According to the blind device of the present invention, in particular, since at least one of the vertical frame side blade supports has a fitting portion that is slidably fitted to one end portion of the blade in a lateral direction, When the blades of the vertical frame are expanded or contracted, the blade support on the one vertical frame side is moved in the transverse direction relative to the blades at the fitting portion. It is possible to eliminate the need to provide a gap in consideration of the expansion and contraction that can occur in the blades, and to eliminate the possibility of communication between the inside and outside of the building through the gap, and thus, light shielding properties, air tightness, heat insulation properties and Sound insulation can be improved.

  In a preferred example of the blind device of the present invention, the means is configured to perform both lifting and tilting of the plurality of blades, and the pair of vertical frames respectively have slits extending in the vertical direction, The plurality of blade supports each have a shaft portion inserted through a pair of vertical frame slits, and the plurality of blades are located outside or inside the building from the shaft portion in the closed state of the plurality of blades. The end portions of the plurality of blades are supported respectively. According to such a preferable example, in the closed state, the plurality of blade supports or the plurality of blades can be brought into contact with the vertical frame without causing the plurality of blades to be adjacent to the slit of the vertical frame in the lateral direction. The possibility that the inside and outside of the building communicate with each other through the slit can be eliminated, so that the light shielding property, the air tightness, the heat insulating property and the sound insulating property can be improved.

  In a preferred example of the blind device according to the present invention, the means includes a link mechanism for connecting a plurality of blades to each other, and at least one vertical frame blade support is connected to the link mechanism. And the blade supporting body having the fitting portion, the sliding contact portion slidingly contacting one vertical frame, the overlapping portion slidably superimposed on one end portion of the blade, and one vertical frame And a cover member having a cover portion attached to the blade support body so as to cover the gap between the one end portions of the blade. According to such a preferable example, the gap between the one vertical frame and the blade support can be eliminated by the sliding contact portion of the covering member, and the one end portion of the blade is separated by the overlapping portion of the covering member. A gap between the blade support and the blade support can be eliminated.

  In a preferred example of the blind device of the present invention, the blade support on the other vertical frame side has a fixing portion fixed to the other end portion of the blade in a stationary manner in the lateral direction. According to such a preferable example, while the blade support on the other vertical frame side prohibits the swinging of the plurality of blades in the lateral direction, the blade support on the one vertical frame side prevents the plurality of blades in the lateral direction. Expansion and contraction can be allowed.

  In the blind device of the present invention, the blade may be made of aluminum, and the blade support may be made of a synthetic resin such as an epoxy resin or an ABS resin.

  ADVANTAGE OF THE INVENTION According to this invention, the blind apparatus excellent in light-shielding property, airtightness, heat insulation, and sound insulation can be provided.

  Next, an example of an embodiment of the present invention will be described in more detail based on an example shown in the figure. The present invention is not limited to these examples.

  1 to 18, the blind device 1 of this example is disposed between a pair of vertical frames 5 and 6 that define an opening 4 that communicates the inside and outside of the building 2 and 3, and the vertical frames 5 and 6, respectively. R1 and R2 directions supporting a plurality of aluminum blades (louvers) 7 juxtaposed with each other in the longitudinal direction Z and end portions 8 and 9 in the transverse direction X perpendicular to the longitudinal direction Z of the blades 7 respectively. At least one of the plurality of blade supports 10 made of synthetic resin that can be freely rotated and the plurality of blades 7 that are lifted and tilted via the plurality of blade supports 10, in this example both the lift and tilt are Means 16 for performing. The means 16 includes a link mechanism 11 that interconnects the plurality of blades 7 via the plurality of blade supports 10, and an elevating mechanism 12 that raises and lowers the plurality of blades 7 in the vertical direction Z via the blade supports 10. And a tilt mechanism 15 that causes a relative position change to the front edge 13 and the rear edge 14 of the plurality of blades 7 via the link mechanism 11 and tilts the plurality of blades 7 in the R1 and R2 directions. ing.

  The vertical frames 5 and 6 are bridged by an upper frame 20 and a lower frame 201 extending in the horizontal direction X. The vertical frames 5 and 6 include a hollow main body 21 having a substantially rectangular cross section extending in the vertical direction Z, and a slit 23 extending in the vertical direction Z formed in the side plate portion 22 that defines the opening 4 of the main body 21. Respectively. In the inside 24 of the main body 21, the link mechanism 11, the chain 91 of the lifting mechanism 12, and the connecting portion 41 of the blade support 10 are arranged. The side plate portion 22 has a smooth surface 25 that is in sliding contact with the blade support 10.

  For example, as shown in FIG. 6, the plurality of blades 7 include a long blade body 33 in the lateral direction X in which the front surface 31 is curved in a convex shape and the back surface 32 is curved in a concave shape, and the rear edge 14 side of the blade main body 33. A pair of portions extending in the lateral direction X projecting from the back surface 32 so as to form a folded portion 34 formed by folding back the portion and a fitting groove 35 to be fitted to the blade support 10 in cooperation with the back surface 32. And a protrusion 36. The number of blades 7 juxtaposed between the vertical frames 5 and 6 is appropriately set according to the dimensions of the blades 7, the vertical frames 5 and 6 and the dimensions of the window of the building where the blind device 1 is installed. .

  For example, as shown in FIGS. 4, 5, and 8 to 9, the blade support 10 on the vertical frame 5 side includes one of the connecting portion 41 and the blade 7 connected to the link mechanism 11 in the inside 24 of the vertical frame 5. A cylindrical shaft that is inserted between the fitting portion 42, which is slidably fitted in the lateral direction X, and the connecting portion 41 and the fitting portion 42, and is inserted into the slit 23 of the vertical frame 5. A blade support main body 44 having a portion 43, a sliding contact portion 45 slidingly contacting the vertical frame 5, an overlapping portion 46 slidably superimposed in the lateral direction X on the end portion 8 of the blade 7, and the vertical frame 5 and And a cover member 48 having a cover 47 mounted on the blade support body 44 so as to cover the gap between the end portions 8 of the blade 7.

  The connecting portion 41 includes a connecting arm 51 inclined with respect to the longitudinal direction Y orthogonal to the longitudinal direction Z and the lateral direction X in the substantially horizontal state of the plurality of blades 7 shown in FIGS. A connection pin 53 provided on the edge 52 and rotatably connected to the front edge link member 81 of the link mechanism 11, and a rear edge link member provided on the rear edge 54 of the connection arm 51 and the link mechanism 11. And a connecting pin 55 rotatably connected to 82. A shaft portion 43 is fixed to the substantially central portion 56 of the connecting arm 51.

  The fitting portion 42 includes a fitting member 61 that is slidably fitted in the fitting groove 35 that extends in the horizontal direction X and is slidable in the horizontal direction X, and a locking projection 62 and a locked recess 63 on the fitting member 61. The base 64 is provided on the base 64 so as to be inclined with respect to the lateral direction X so that the shaft portion 43 is disposed away from the base 64 in a direction orthogonal to the lateral direction X. And an inclined arm 65. A shaft portion 43 is fixed to one end 66 of the inclined arm 65.

  One end 66 of the inclined arm 65 is positioned above the other end 67 on the base 64 side when the plurality of blades 7 are in a substantially horizontal state as shown in FIG. As shown in FIG. 12, when the opening 4 is closed perpendicular to the front-rear direction Y, it is positioned on the outside 3 side of the building with respect to the other end 67. The shaft portion 43 fixed to one end 66 of the inclined arm 65 is located above the blade 7 to which the fitting portion 42 is fitted when the plurality of blades 7 are in a substantially horizontal state, and the plurality of blades 7 However, when the opening 4 is closed perpendicularly to the front-rear direction Y, it is positioned closer to the outside of the building 3 than the blade 7 to which the fitting portion 42 is fitted.

  The cover 47 has a front surface 71 and a back surface 72 that are substantially the same shape as the front surface 31 and the back surface 32 of the blade body 33. A fitting portion 73 into which the inclined arm 65 is fitted is formed at a substantially central portion of the cover portion 47, and the inclined arm 65 is fitted into the fitting portion 73 so as to be detachably attached to the blade support body 44. It has become. The fitting portion 73 protrudes from the surface 71 of the cover portion 47. The cover 47 is arranged between the vertical frame 5 and the end 8 of the blade 7 so that the front surface 71 and the back surface 72 are substantially flush with the front surface 31 and the back surface 32 of the blade body 33. Yes.

  The sliding contact portion 45 has a smooth surface 75 located on the vertical frame 5 side of the cover portion 47. The surface 75 is in sliding contact with the surface 25. The overlapping portion 46 projects from the surface 76 on the blade 7 side of the cover 47 in the lateral direction X toward the blade 7 side, and has a sliding surface 77 that slides on the back surface 32 of the blade. Part 78 is provided. In addition, although the space | interval of the grade which accept | permits the expansion | extension in the horizontal direction X by the thermal expansion etc. of the blade | wing 7 is ensured between the surface 76 of the cover part 47 and the one end surface 79 of the blade | wing 7, Since the plate portion 78 is arranged between the end portions 8 of the building 7, the communication between the inside and outside of the building 2 and 3 through such a space does not occur.

  The blade support 10 on the vertical frame 6 side is formed in substantially the same manner as the blade support 10 on the vertical frame 5 side and is attached to the other end 9 of the blade 7. Detailed description thereof will be omitted. In this example, the fitting portion 42a is fixed to the end portion 9 of the blade 7 in a fixed manner in the lateral direction X via a locking mechanism or the like (not shown). It is formed as a fixed portion that is fixedly fixed in the direction X.

  The plurality of blade supports 10 have shaft portions 43 and 43a inserted through the slits 23 of the pair of vertical frames 5 and 6, respectively, and the opening closed state shown in FIG. In FIG. 2, the end portions 8 and 9 of the plurality of blades 7 are supported so that the plurality of blades 7 are arranged on the side 2 in the building relative to the shaft portions 43 and 43a.

  For example, as shown in FIGS. 3 to 5, the link mechanism 11 is disposed in the inside 24 of the vertical frame 5 and is connected to each of the connection pins 53 of the plurality of blade supports 10 on the vertical frame 5 side. An edge link member 81, a rear edge link member 82 disposed in the interior 24 of the vertical frame 5 and connected to each of the connection pins 55 of the plurality of blade supports 10 on the vertical frame 5 side, and the vertical frame 6 A front edge link member 81a disposed in the interior 24 and coupled to each of the coupling pins 53a of the plurality of blade supports 10 on the longitudinal frame 6 side, and disposed in the interior 24 of the longitudinal frame 6 and the longitudinal frame And a trailing edge link member 82a connected to each of the connection pins 55a of the plurality of blade supports 10 on the six side.

  Since the leading edge link member 81 and the trailing edge link member 82 are formed in the same manner as the leading edge link member 81a and the trailing edge link member 82a, respectively, the leading edge link member 81 and the trailing edge link member 82 will be described in detail below. The front edge link member 81a and the rear edge link member 82a will be described with reference numeral a as appropriate, and detailed description thereof will be omitted.

  The leading edge link member 81 includes a flat flexible strip 85 made of synthetic fiber, and a synthetic resin coupling body 86 fixed to the strip 85 with a constant interval and coupled to the coupling pin 53. It has.

  The band 85 may be made of a woven or knitted band (belt) made of synthetic resin such as polyester or a flat band made of synthetic resin non-woven fabric, but instead, other tough flexible It may consist of a band.

  The connecting members 86 connected to each other by the belt-like member 85 are disposed at positions symmetrical with respect to the cylindrical portion 87 into which the connecting pin 53 is inserted and the axis of the cylindrical portion 87 and are integrally formed with the cylindrical portion 87. It consists of a synthetic resin integral molding provided with a pair of formed rectangular protrusions 88 and 89. The band 85 is fixed to the rectangular protrusions 88 and 89 and extends from the rectangular protrusion 88 to the rectangular protrusion 89 along the outer peripheral semicircle of the cylindrical portion 87. Such a connecting body 86 is rotatably connected to the connecting pin 53.

  Since the trailing edge link member 82 is formed in the same manner as the leading edge link member 81, the same reference numerals are given to the drawings, and detailed description thereof is omitted. The connecting body 86 of the trailing edge link member 82 is rotatably connected to the connecting pin 55.

  The elevating mechanism 12 has an end chain 91 as a flexible traveling body and one end portion 92 of the chain 91 located on the front side (outside the building 3 side) in FIG. A connecting member 93 to be connected, a traveling device 94 that causes the chain 91 to travel in the A and B directions, and a bending prevention means 95 that prevents the chain 91 from bending are provided. The other end 96 of the chain 91 is a free end.

  The chain 91, the connecting member 93, and the deflection preventing means 95 disposed in the inside 24 of the vertical frame 5 and the chain 91a, the connecting member (not shown), and the bending preventing means 95a disposed in the inside 24 of the vertical frame 6 are: Since they are formed in the same manner as each other, the chain 91, the connecting member 93, and the deflection preventing means 95 disposed in the interior 24 of the vertical frame 5 will be described in detail below, and the chain disposed in the interior 24 of the vertical frame 6 will be described. For the reference numeral 91a, the connecting member, and the deflection preventing means 95a, reference numeral a is appropriately added to the drawing, and a detailed description thereof will be omitted.

  The traveling device 94 is connected to the electric motor 101 attached to the vertical frame 5, and is connected to the electric motor 101 via a transmission mechanism 104 such as a gear, and is supported by the vertical frames 5 and 6 so as to be rotatable in the R3 and R4 directions. A rotating shaft 102 having a hexagonal cross section extending in the transverse direction X, and a sprocket wheel 103 fixed to the rotating shaft 102 as a rotating body around which a chain 91 is wound. The operation of 101 causes the rotary shaft 102 and the sprocket wheel 103 to rotate in the R3 and R4 directions via the transmission mechanism 104, and this rotation causes the chain 91 to travel in the A and B directions.

  The rotating shaft 102 extends in the horizontal direction X from the vertical frame 5 side to the vertical frame 6 side, and is also fixed to a sprocket wheel on the vertical frame 6 side that is formed in the same manner as the sprocket wheel 103 on the vertical frame 5 side. .

  The deflection preventing means 95 is a pair of guide ridges 105 formed to extend in the longitudinal direction Z integrally with the longitudinal frame 5 in the interior 24 of the longitudinal frame 5 so that the travel of the chain 91 is guided in the longitudinal direction Z. And 106, and the guide protrusions 105 and 106 prevent unnecessary bending of the chain 91 with the chain 91 interposed therebetween. The chain 91 is wound around the sprocket wheel 103 above the guide protrusions 105 and 106.

  The connecting member 93 is connected at one end to the end portion 92 of the chain 91 and at the other end is connected to the substantially central portion 56 of the connecting arm 51 of the lowest blade support body 44.

  Such an elevating mechanism 12 is configured to raise and lower the plurality of blades 7 in advance in the longitudinal direction Z from the lowest blade 7 by traveling in the A and B directions of the chain 91 by the traveling device 94.

  For example, as shown in FIGS. 3 and 5, the tilt mechanism 15 has a belt-like shape of the leading edge link member 81 at the leading edge 111 so that the plurality of blades 7 can be tilted by swinging based on the rotation of the rotating shaft 102. A swingable arm 113 as a swingable swingable member connected to the upper end of the body 85 and connected to the upper end of the belt-like body 85 of the trailing edge link member 82 at the rear edge 112; And a clutch mechanism 114 for transmitting the rotation of the rotary shaft 102 to the swingable arm 113 so as to swing the swingable arm 113 in the R3 and R4 directions in conjunction with the raising and lowering of the plurality of blades 7 by Yes.

  For example, as shown in FIGS. 5 and 7, the clutch mechanism 114 has a protrusion 121 attached to the chain 91 and a recess 122 into which the protrusion 121 is fitted when the chain 91 travels, and is swingable. A disk member 124 to which an arm 113 is attached via a mounting plate 123, and a cylinder that is rotatably supported by the vertical frame 5 through which the rotary shaft 102 is inserted and is provided integrally with the disk member 124. When the member 125 and the rotation prohibition state shown in FIG. 7 are set, the swingable arm 113 is prohibited from swinging by engaging with the disc member 124, while the protrusion 121 is fitted into the recess 122. At the same time, a latch member 126 that is set in the rotation-permitted state shown in FIG. 16 by the protrusion 121 and releases the engagement with the disk member 124 so as to allow the swingable arm 113 to swing. Are provided with a biasing means 127 for resiliently biased so as to set the only gold member 126 to the rotation prohibited state. When the cylindrical member 125 is fixedly fixed to the vertical frame 5, the disc member 124 may be rotatably attached to the cylindrical member 125.

  The latch member 126 is rotatably attached to the vertical frame 5 in the R5 and R6 directions via a shaft pin 128 and a bracket 129 to which the shaft pin 128 is fixed at one end. The latch member 126 has a claw portion 130 at the other end, and the claw portion 130 is arranged in the recess 122 of the disc member 124 when the disc member 124 is set in a rotation prohibited state. A guide wedge space 131 is formed between the recess 122 and the claw portion 130.

  The biasing means 127 is composed of a torsion coil spring, and is latched to the bracket 129 at one end thereof, latched to the latch member 126 at the other end, and wound around the shaft pin 128 at the center thereof. It is elastically biased to rotate 126 in the R5 direction.

  The latch member 126 includes a recess 132 formed between one end thereof and the claw portion 130, and the disk member 124 includes a protrusion 133 disposed in the recess 132. When the member 124 is set in the rotation prohibition state, the protrusion 133 is disposed in the recess 132 so that the protrusion 133 and the recess 132 are engaged with each other, and the protrusion 133 and the recess 132 are engaged. , The disc member 124 is prohibited from rotating in the R3 and R4 directions around the rotation shaft 102, and the swingable arm 113 attached to the disc member 124 is The swing around the center 102 is prohibited.

  Hereinafter, operation | movement of the blind apparatus 1 of this example is demonstrated in detail with reference to figures. As shown in FIGS. 11 to 15, in a state where the opening 4 is closed by the plurality of blades 7, the plurality of blades 7 are perpendicular to the front-rear direction Y and are more than the shaft portion 43 of the blade support 10. The surface 75 of the sliding contact portion 45 of the cover member 48 is in contact with the surface 25 of the vertical frame 5 over the entire surface, and the swingable arm 113 is also constant. The protrusion 121 provided on the chain 91 is disposed in the recess 122 as shown in FIG. 17, and the engagement between the protrusion 133 and the recess 132 is released, as shown in FIG. The latch member 126 is in contact with the outer edge portion 134 of the disk member 124 and maintains the rotation-permitted state of the disk member 124. In the closed state of the opening, the portion on the rear edge 14 side extending in the lateral direction X of the uppermost blade 7 is placed on the upper frame 20 or vertically so as to close the gap between the rear edge 14 and the upper frame 20. The portion of the lowermost blade 7 on the side of the front edge 13 that is in contact with the upper cover 200 provided by bridging the frames 5 and 6 and extending in the lateral direction X is the front edge 13 and the lower frame 201. So as to close the gap between the lower blade 201 and the rear edge 14 side of each of the plurality of blades 7 located between the uppermost blade 7 and the lowermost blade 7. The part is in contact with the part on the front edge 13 side of the other blade 7 adjacent in the longitudinal direction Z, and each of the plurality of blades 7 located between the uppermost blade 7 and the lowermost blade 7. The part on the front edge 13 side of this is in contact with the part on the rear edge 14 side of another blade 7 adjacent in the longitudinal direction Z. When the electric motor 101 is operated in such a state, the sprocket wheel 103 rotates in the R4 direction, and the chain 91 travels in the A direction by this rotation. As the chain 91 travels in the A direction, the protrusion 121 also moves in the R4 direction about the rotation shaft 102, and the movement of the protrusion 121 causes the disk member 124 to rotate in the R4 direction to swing the swingable arm 113 in the R4 direction. By moving the swingable arm 113, the front edge link member 81 connected to the front edge 111 is raised and the rear edge link member 82 connected to the rear edge 112 is lowered to The blade support 10 and the blade 7 are simultaneously tilted in the R2 direction around the shaft portion 43 to be in a substantially horizontal state as shown in FIGS. 1 and 2 and FIGS. When the plurality of blades 7 are in a substantially horizontal state, the plurality of blades 7 are located below the shaft portion 43.

  When the chain 91 further travels in the direction A, as shown in FIG. 16, the protrusion 121 located in the recess 122 starts to come out of the recess 122, and the protrusion 121 comes out of the recess 122, so that the latch member 126 is pivoted. Rotating in the R5 direction around the pin 128, the protrusion 133 and the recess 132 are engaged. As shown in FIG. 7, the protrusion 133 and the recess 132 are engaged to prevent the swingable arm 113 from swinging in the R3 and R4 directions. As the traveling of the chain 91 in the A direction continues, the lowest blade 7 connected to the chain 91 via the blade support 10 starts to rise, and the leading edge link member 81 and the trailing edge link member 82 move downward. A plurality of blades 7 which are shrunk from the side and connected to the front edge link member 81 and the rear edge link member 82 via the blade support 10 are sequentially overlapped from below. When all of the plurality of blades 7 are overlapped, the opening state is opened as shown in FIG. 18, and the opening state is maintained by stopping the operation of the electric motor 101.

  When the electric motor 101 is reversely operated in the open state as shown in FIG. 18, the sprocket wheel 103 is rotated in the R3 direction, and this rotation causes the chain 91 to travel in the B direction. Is lowered, and the leading edge link member 81 and the trailing edge link member 82 start to extend from above, whereby the overlapping of the plurality of blades 7 shown in FIG. When all of the leading edge link member 81 and the trailing edge link member 82 are extended and all the overlapping of the plurality of blades 7 are also released, the protrusion 121 is recessed through the guide wedge space 131 as shown in FIG. 122, and the protrusion 121 causes the latch member 126 to rotate in the R6 direction against the elastic bias of the biasing means 127 to release the engagement of the protrusion 133 with the recess 132. As a result of the release, the swingable arm 113 is swung in the R3 direction opposite to the R4 direction along with the movement of the protrusion 121 in the R3 direction, and by this swinging, the trailing edge link member 82 connected to the trailing edge 112 is raised. Then, the front edge link member 81 connected to the front edge 111 is lowered, and the plurality of blades 7 are simultaneously tilted in the R1 direction around the shaft portion 43 to be in the open closed state. Thereafter, the operation of the electric motor 101 is stopped, and such an opening closed state is maintained.

A pair of vertical frames 5 and 6 that define an opening 4 that communicates the interior and exterior 2 and 3, and a plurality of blades that are arranged between the pair of vertical frames 5 and 6 and juxtaposed in the longitudinal direction Z 7, a plurality of blade supports 10 that respectively support the ends 8 and 9 of the plurality of blades 7, and a means 16 that moves the plurality of blades 7 up and down and tilts via the plurality of blade supports 10. The pair of vertical frames 5 and 6 includes a hollow main body 21 extending in the vertical direction Z and a slit 23 formed in the side plate portion 22 of the main body 21 and extending in the vertical direction Z. The plurality of blades 7 includes a blade body 33 that is long in the lateral direction X, and a pair of protrusions 36 that protrude in the front-rear direction from the back surface of the blade body 33 and extend in the lateral direction X. The means 16 connects the plurality of blades 7 to each other and the main body 21 of the vertical frames 5 and 6. The blade support 10 on the vertical frame 5 side has a link mechanism 11 disposed inside, and a connection portion 41 connected to the link mechanism 11 inside the main body 21 of the vertical frame 5 and a connection portion at one end. A shaft portion 43 attached to 41 and inserted into the slit 23, a base body 64 attached to the other end of the shaft portion 43, and a pair of projections 36 are slidably fitted in the lateral direction X. The covering member 47 that covers the gap between the fitting member 61, the side plate portion 22 of the main body 21 of the vertical frame 5 and one end of the blade main body 33 in the horizontal direction X, and the vertical frame 5 in the horizontal direction X of the covering 47. The sliding body 45 is integrally provided on the side and slidably contacts the side plate portion 22 of the main body 21 of the vertical frame 5 and the one end side in the lateral direction X of the blade body 33 in the lateral direction X of the cover 47. The lateral direction of the blade body 33 is provided integrally And a cover member 48 having an overlapping portion 46 slidably overlapped in the lateral direction X, and the base body 64 is engaged with the fitting member 61 and is fitted to the fitting member. One end of the blade body 33 in the lateral direction X of the cover 47 facing the end surface 79 and the end surface 79 of the one end in the lateral direction X of the blade body 33. According to the blind device 1 in which gaps (intervals) in the lateral direction X are formed between the end-side surfaces 76 of the plurality of blades 7, particularly when the expansion and contraction occurs in the lateral direction X, As a result of the blade support 10 on the vertical frame 5 side being moved in the lateral direction X relative to the blade 7 in the fitting portion 42, the blade 7 may be generated between the vertical frame 5 and the plurality of blades 7. It is possible to eliminate the need to provide a gap considering expansion and contraction. The possibility that the inside and outside of the building 2 and 3 communicate with each other can be eliminated, and thus the light shielding property, the air tightness, the heat insulating property and the sound insulating property can be improved.

  According to the blind device 1 of the present example, the means 16 is configured to both raise and lower the plurality of blades 7, and the pair of vertical frames 5 and 6 includes the slits 23 extending in the vertical direction Z. Each of the plurality of blade supports 10 has a shaft portion 43 inserted through each of the slits 23 of the vertical frames 5 and 6, and the plurality of blades in the closed state of the plurality of blades 7. 7 supports the end portions 8 and 9 of the plurality of blades 7 so as to be arranged on the outside 3 side of the building 43 or on the inside 2 side of the building, and in this example on the inside 2 side of the building. In the closed state, the plurality of blade supports 10 or the plurality of blades 7 are brought into contact with the vertical frames 5 and 6 without causing the plurality of blades 7 to be adjacent to the slits 23 of the vertical frames 5 and 6 in the lateral direction X. And through the slit 23 inside and outside the building 2 and There can be eliminated risk of communicating, and Thus, the light-shielding properties, gas tightness, may aim to improve the heat insulation and sound insulation.

  According to the blind device 1 of this example, the means 16 includes the link mechanism 11 that connects the plurality of blades 7 to each other, and at least the blade support 10 on the vertical frame 5 side is connected to the link mechanism 11. The blade supporting body 44 having the connecting portion 41 and the fitting portion 42, the sliding contact portion 45 slidingly contacting one vertical frame 5 and the end portion 8 of the blade 7 are slidably overlapped in the lateral direction X. And a covering member 48 having a covering portion 47 attached to the blade support main body 44 so as to cover the gap between the vertical frame 5 and the end portion 8 of the blade 7. The gap between the vertical frame 5 and the blade support 10 can be eliminated by the sliding contact portion 45 of the cover member 48, and the end portion 8 of the blade 7 and the blade support 10 are separated by the overlapping portion of the cover member 48. The gap between the two can be eliminated.

  According to the blind device 1 of this example, the blade support 10 on the vertical frame 6 side has the fixing portion that is fixed to the other end portion 9 of the blade 7 in the lateral direction X. The blade support 10 on the frame 6 side prohibits swinging of the plurality of blades 7 in the lateral direction X, while the blade support 10 on the vertical frame 5 side allows expansion and contraction of the plurality of blades 7 in the lateral direction X. it can.

  The cover member 48 is mounted on the blade support body 44 as a separate member in this example, but may be provided integrally with the blade support body 44, for example.

  The blind device 1 is preferably provided with a blade support 10 on the vertical frame 6 side fixed to the end 9 of the blade 7 in the lateral direction X. Instead, for example, the blind device 1 on the vertical frame 5 side is provided. Similarly to the blade support 10, a blade support having a fitting portion slidably fitted in the end portion 9 of the blade 7 in the lateral direction X may be provided.

  Further, in the blind device 1 of the present example, the plurality of blades 7 are arranged closer to the inside 2 of the building than the shaft portion 43 in the opening closed state. It may be arranged on the side 3 outside the building rather than the part 43.

It is a perspective explanatory view of an example of an embodiment of the invention. FIG. 2 is an explanatory side sectional view of the example shown in FIG. 1. It is side sectional explanatory drawing which showed the inside of one vertical frame of the example shown in FIG. FIG. 2 is an enlarged explanatory view of a cross section of the example shown in FIG. 1. FIG. 2 is a partially enlarged explanatory view in front view of the example shown in FIG. 1. FIG. 2 is a side cross-sectional enlarged explanatory view mainly showing a blade and a blade support of the example shown in FIG. 1. FIG. 2 is an enlarged explanatory diagram mainly showing a clutch mechanism in the example shown in FIG. 1. It is a perspective expansion explanatory drawing mainly of a blade | wing and a blade | wing support body of the example shown in FIG. FIG. 2 is an enlarged side view of the example shown in FIG. 1 mainly on the overlapping portion side of the covering member. It is side surface expansion explanatory drawing mainly of the sliding contact part side of the cover member of the example shown in FIG. It is operation | movement explanatory drawing regarding opening closing of the example shown in FIG. It is operation | movement explanatory drawing regarding opening closing of the example shown in FIG. It is operation | movement explanatory drawing regarding opening closing of the example shown in FIG. It is operation | movement explanatory drawing regarding opening closing of the blade | wing and blade | wing support body mainly of the example shown in FIG. It is operation | movement explanatory drawing regarding opening closing of the example shown in FIG. It is operation | movement explanatory drawing mainly of a clutch mechanism of the example shown in FIG. It is operation | movement explanatory drawing mainly of a clutch mechanism of the example shown in FIG. It is operation | movement explanatory drawing regarding opening opening of the example shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Blind apparatus 2 In building 3 Outside building 4 Opening 5 and 6 Vertical frame 7 Blade 10 Blade support 11 Link mechanism 12 Lifting mechanism 15 Tilt mechanism 16 Means 42 Insertion part

Claims (5)

A pair of vertical frames that define an opening that communicates between the inside and outside of the building, a plurality of blades arranged between the pair of vertical frames and juxtaposed in the vertical direction, and supports the ends of the blades And a means for performing at least one of raising and lowering and tilting of the plurality of blades through the plurality of blade supports, and the pair of vertical frames extend in the vertical direction. A hollow main body and a longitudinally extending slit formed in a side plate portion of the main body, and a plurality of blades are formed from a blade body that is long in the lateral direction and a back surface of the blade body. The means includes a pair of protrusions that protrude in the front-rear direction and extend in the horizontal direction, and the means includes a link mechanism that interconnects a plurality of blades and is disposed inside the main body of each vertical frame. and which, blade carrier of at least one of the vertical frame side, small Both of them are connected to the link mechanism inside the main body of one of the vertical frames, to one end of the shaft attached to the connecting portion and inserted into the slit, and to the other end of the shaft. Between the side plate portion of the main body of at least one vertical frame and one end portion in the horizontal direction of the blade main body. A cover portion that covers the gap, a sliding contact portion that is integrally provided on at least one vertical frame side in the lateral direction of the cover portion, and that slides on the side plate portion of the main body of at least one vertical frame, and the side of the cover portion A cover member that is integrally provided on one end side in the lateral direction of the blade body in the direction and has an overlapping portion that is slidably superimposed on one end portion in the lateral direction of the blade body in a lateral direction. Contact comprises a The base body is locked to the fitting member and is disposed between the fitting member and the back surface of the blade body, and an end surface of one end portion in the lateral direction of the blade body and the end surface A blind device in which a gap in the lateral direction is formed between the surface of the cover body facing one side and the surface on one end side of the blade body in the lateral direction . Said means is adapted to perform both of the lifting and tilting a plurality of blades, the blade support of multiple numbers, the plurality of vanes in a building outward from the shaft portion in the opening closed state by the blade of the multiple The blind device according to claim 1, wherein each of the plurality of blade ends is supported so as to be arranged inside the building. 3. The blind device according to claim 1, wherein the blade support on the other vertical frame side has a fixing portion fixed to the other end portion of the blade in an immovable manner in the lateral direction. The blind device according to any one of claims 1 to 3, wherein the blade is made of aluminum. The blind device according to any one of claims 1 to 4, wherein the blade support is made of a synthetic resin.

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