JP4479331B2 - Louver device - Google Patents

Description

  The present invention relates to a louver device disposed in an opening such as a window of a building.

JP 2004-76503 A

  For example, Patent Document 1 includes a mechanism that rotates (tilts) a plurality of blade members, and a mechanism that is configured independently of this mechanism and that releasably prohibits the approach of the plurality of blade members. A louver device has been proposed.

  By the way, in such a louver device, a mechanism for rotating a plurality of blade members and a mechanism for releasably prohibiting the approach of the plurality of blade members are configured separately and independently from each other, thereby reducing the number of parts. It is difficult to do. Further, in such a louver device, since both the mechanisms are configured separately from each other, it is difficult to reduce the number of operation points, and therefore it is difficult to simplify the operation.

  The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide a louver device that can reduce the number of parts and can simplify the operation. .

  The louver device according to the first aspect of the present invention includes a plurality of blade members that are arranged adjacent to each other and that open and close by rotation, and a linearly movable member that is linearly movable. Rotating means for interlockingly rotating the plurality of blade members by direct movement of the universal member, and prohibiting means for releasably prohibiting rotation of the plurality of blade members by the rotating means. A plurality of locking portions arranged side by side with respect to the linear movement direction of the movable member, and a locked portion provided on the linear movement member and locked by the plurality of locking portions. is doing.

  According to the louver device of the first aspect, in particular, the prohibiting means includes a plurality of locking portions and a locked portion that is locked to the plurality of locking portions and provided on the linearly movable member. Therefore, it is possible to prohibit the rotation of the plurality of blade members by prohibiting the direct movement of the linearly movable member, and also to prohibit the mutual approach of the plurality of blade members, The mechanism for rotating the plurality of blade members and the mechanism for releasably prohibiting the mutual approach of the plurality of blade members can be eliminated, and thus the number of parts can be reduced. In addition, the operation can be simplified.

  In the present invention, like the louver device of the second aspect, the locking portion arranged on the blade member side of the plurality of locking portions with respect to the linear movement direction of the linearly movable member is The part may protrude toward the linearly movable member side from the other locking part.

  According to the louver device of the second aspect, since it has the above-described configuration, the locking portion disposed on the blade member side is unlocked by the other locking portion. Even in this case, it is possible to maintain a state in which the locking portion arranged on the blade member side can lock the locked portion, and thus prohibiting and releasing the rotation of the plurality of blade members. The prohibition of the mutual approach of the plurality of blade members and the release thereof can be selectively performed with a simple operation.

  In the present invention, as in the louver device of the third aspect, the locked portion is interposed between the protruding portion of the locking portion disposed on the blade member side and another locking portion. In this way, a long portion extending in the linear motion direction of the linear motion member may be provided.

  According to the louver device of the third aspect, since the above-described configuration is provided, the locking portion disposed on the blade member side is unlocked by the other locking portion. Even in this case, it is possible to more reliably maintain the state in which the locking portion disposed on the blade member side can lock the locked portion, and thus prohibiting the rotation of the plurality of blade members and The release and the prohibition of the mutual approach of the plurality of blade members and the release thereof can be reliably and selectively performed with a simple operation.

  In the present invention, like the louver device according to the fourth aspect, the prohibiting means may include a biasing mechanism that biases the plurality of locking portions toward the locked portion.

  In the present invention, as in the louver device according to the fifth aspect, the rotating means connects the plurality of blade members on one end edge side in the direction intersecting with the respective rotation axes of the plurality of blade members. A link mechanism for connecting the linearly movable member to one end edge side of the plurality of blade members may be provided.

  In the present invention, like the louver device of the sixth aspect, the link mechanism includes a flexible belt-like body that connects a plurality of blade members to each other on one end edge side so as to be able to contact and separate from each other. You may have.

  In the present invention, as in the louver device of the seventh aspect, the rotating means has a plurality of blade members in a rotation direction opposite to the rotation direction of the rotation of the plurality of blade members by the direct movement of the linearly movable member. A biasing means for biasing the plurality of blade members may be provided so as to rotate.

  According to the present invention, it is possible to provide a louver device that can reduce the number of components and can simplify the operation.

  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 10, the louver device 1 of the present example is arranged in the opening 2 adjacent to each other in the Z direction (vertical direction in this example) and the frame 3 that defines the opening 2. A plurality of blade members 4, 5 and 6 that open and close the opening 2 by rotation in the R1 direction and the R2 direction, and a linearly movable member 9 that is linearly movable in the Z direction and the Z direction of the linearly movable member 9 Rotation means 10 for rotating the blade members 4, 5 and 6 in conjunction with each other, and a prohibition means 11 for prohibiting the rotation of the blade members 4, 5 and 6 by the rotation means 10 in a releasable manner. .

  In this example, the louver device 1 is provided in an opening made of a window or the like of a building, and adjusts the amount of light, wind, etc. from outside the building with respect to the inside of the building.

  The frame 3 bridges a pair of hollow vertical frames 21 and 22 extending in the Z direction and the upper portions of the vertical frames 21 and 22 and extends in the X direction (in this example, the horizontal direction) perpendicular to the Z direction. An extended upper frame 23 and a lower frame 24 extending in the X direction bridging the lower portions of the vertical frames 21 and 22 are provided. The opening 2 is defined by vertical frames 21 and 22 and an upper frame 23 and a lower frame 24. Slits 26 extending in the Z direction are respectively formed in the wall portions 25 of the vertical frames 21 and 22 on the blade members 4, 5 and 6 side.

  The blade members 4, 5 and 6 juxtaposed with each other at equal intervals in the Z direction rotate in the R1 direction and the R2 direction about the rotation axis P around the vertical frames 21 and 22 via the link mechanisms 7 and 8, respectively. It is supported freely. The blade members 5 and 6 disposed closer to the linearly movable member 9 than the blade member 4 are supported by the vertical frames 21 and 22 so as to be movable in the Z direction with respect to the blade member 4. The blade member 4 disposed on the upper frame 23 side of the blade members 5 and 6 is supported by the vertical frames 21 and 22 so as not to move in the Z direction in this example.

  Since the blade members 4, 5 and 6 are formed in the same manner, the blade member 4 will be described in detail below, and the blade members 5 and 6 will be denoted by the same reference numerals as appropriate. These detailed explanations are omitted.

  The blade member 4 is disposed on the blade body 31 that is plate-shaped and curved in the X direction, and the one end portion 32 and the other end portion 33 in the X direction of the blade body 31, and is integrated with the blade body 31. And a rectangular fitting portion 34 that is formed in a rectangular shape. The fitting portion 34 is hollow so that the fitting protrusions 41 of the link mechanisms 7 and 8 are fitted therein.

  The rotating means 10 rotates in the direction intersecting with the rotation axis P of each of the blade members 4, 5, 6 in order to interlock the above-described linearly movable member 9 and the blade members 4, 5, 6 with each other, in this example. A link mechanism 7 that connects the blade members 4, 5, and 6 on one end edge 81 side in the direction orthogonal to the axis P and connects the linearly movable member 9 to the end edge 81 side of the blade members 4, 5, and 6. And the other edge in the direction intersecting with the rotation axis P of each of the blade members 4, 5 and 6 in order to interlock the blade members 4, 5 and 6, in this example, the direction perpendicular to the rotation axis P The link mechanism 8 that connects the blade members 4, 5, and 6 on the 82 side, and the R2 direction that is the reverse rotation direction of the blade members 4, 5, and 6 in the R1 direction due to the direct movement of the linearly movable member 9 The blade members 4, 5 and 6 are rotated so that the blade members 4, 5 and 6 are rotated. And includes a coil spring 85 as a biasing means for biasing.

  In this example, the link mechanisms 7 and 8 are provided on the vertical frame 21 side and the vertical frame 22 side, respectively, and the link mechanisms 7 and 8 on the vertical frame 21 side connect the one end portions 32 of the blade members 4, 5, and 6. The link mechanisms 7 and 8 on the vertical frame 22 side connect the other end portions 33 of the blade members 4, 5 and 6, respectively.

  Since the link mechanisms 7 and 8 on the vertical frame 21 side and the link mechanisms 7 and 8 on the vertical frame 22 side are configured in the same manner, the link mechanisms 7 and 8 on the vertical frame 21 side will be described in detail below. The link mechanisms 7 and 8 on the vertical frame 22 side will be described with the same reference numerals as appropriate, and detailed description thereof will be omitted.

  The link mechanism 7 includes a fitting projection 41 shared with the link mechanism 8 that is detachably inserted into the fitting portion 34 in each end portion 32 of each of the blade members 4, 5, and 6, and the vertical frame 21. A link arm 43 shared with the link mechanism 8 that has a shaft portion 42 that is arranged and is rotatably supported by the vertical frame 21 and is fixed to each fitting projection 41, and the vertical frame 21. A connecting shaft portion 44 shared with the link mechanism 8 that is disposed inside and outside the vertical frame 21 through the slit 26 and integrally connects the center portion of the link arm 43 and the fitting protrusion 41, In the inside of the vertical frame 21, one continuous 45 is attached to each of the one end portions 45 of the link arm 43 via the shaft member 46, and connects the blade members 4, 5 and 6 to each other so as to be detachable from each other. And a belt-like body 47 having flexibility. The shaft portion 42 and the connecting shaft portion 44 are concentric with each other.

  In addition to the above-described configuration, the link mechanism 7 is provided inside the vertical frame 21 with a fitting protrusion 41 that is removably inserted into the fitting portion 34 of the linearly movable member 9, and is attached to the vertical frame 21. A link arm 48 that has a shaft portion 42 that is movably supported in the direction and is fixed to the fitting projection 41, and a slit 26 of the vertical frame 21. And a connecting shaft portion 44 that integrally connects the link arm 48 and the fitting protrusion 41, and the belt-like body 47 is one of the link arms 48 inside the vertical frame 21. The linearly movable member 9 is connected to the blade members 4, 5, and 6 by being attached to the end portion 45 via the shaft member 46. The link arm 48 is configured in the same manner as the link arm 43, and accordingly, the same reference numerals are given to the drawings, and detailed description thereof is omitted.

  A link arm 43 in which one end 45 is disposed on one end 81 side of the blade members 4, 5 and 6 and the other end 71 is disposed on the other end 82 side of the blade members 4, 5 and 6. Each includes a pair of arm portions 51 and 52 that face each other in the X direction, and a coupling means 53 that couples the arm portions 51 and 52.

  The end portions 45 of the arm portions 51 and 52 are respectively formed with shaft holes into which the pair of small diameter shaft portions 62 of the shaft member 46 are rotatably inserted, in this example, through holes 55.

  Each of the shaft members 46 is provided integrally with the cylindrical portion 61 and both end surfaces of the cylindrical portion 61 and has a smaller diameter than that of the cylindrical portion 61, as shown in FIGS. A pair of small-diameter shaft portions 62 and a pair of rectangular protrusions 63 and 64 that are disposed symmetrically with respect to the axial center of the cylindrical portion 61 and are integrally formed on the peripheral surface of the cylindrical portion 61. It consists of an integral molded product made of synthetic resin. The pair of small-diameter shaft portions 62 are fitted into the through holes 55 of the arm portions 51 and 52, respectively, and the columnar portion 61 is sandwiched between the arm portions 51 and 52.

  The belt-like body 47 is integrally fixed to the columnar portion 61 and the rectangular projections 63 and 64 of each shaft member 46 at the end portion 45 and penetrates the columnar portion 61 and the rectangular projections 63 and 64. Yes. The cylindrical portion 61 and the pair of rectangular protrusions 63 and 64 may be fixed to the belt-like body 47 at the time of integral molding of the shaft member 46, respectively.

  The belt-like body 47 passes through the shaft member 46 that is rotatably inserted into the end 45 of the link arm 43, and is fixed to the shaft member 46 at each penetration portion. A shaft member 46 that is rotatably fitted to an end portion 45 of a link arm 43 that is attached to the uppermost blade member 4 via a fitting protrusion 41 is fixed to the upper end portion of the belt-like body 47. Yes. A shaft member 46 that is rotatably fitted to an end portion 45 of a link arm 48 that is attached to the linearly movable member 9 via a fitting protrusion 41 is fixed to the lower end portion of the belt-like body 47. . The strips 47 are attached to the blade members 4, 5, and 6 via the shaft member 46, the link arm 43, and the like with equal intervals in the Z direction.

  The belt-like body 47 may be composed of a woven or knitted belt (belt) made of synthetic resin such as polyester or a flat belt made of non-woven fabric made of synthetic resin. It may consist of a band.

  The coupling means 53 is formed integrally with the arm portion 51 and has a hollow rectangular tube portion 67 having a pair of fitting openings 66, and is integrally formed with the arm portion 52 and has a fitting opening. 66 includes a pair of engaging protrusions 68 that engage with the cylindrical portion 67, and the through holes 55 of the arm portions 51 and 52 are formed by the engagement between the engaging protrusion 68 and the cylindrical portion 67. The arm portions 51 and 52 are coupled so as to be coaxial.

  A claw portion 69 that is locked to the fitting opening 66 is formed at the tip of each engagement protrusion 68. Locking of the claw portion 69 in the fitting opening 66 is performed by a snap-fit method using the elastic deflection of the engaging protrusion 68.

  The arm portion 51 is an integrally molded product made of synthetic resin including the cylindrical portion 67, and the arm portion 52 is also an integrally molded product made of synthetic resin including the pair of engaging projections 68.

  The link mechanism 8 includes a fitting protrusion 41 shared with the link mechanism 7, which is removably inserted into the fitting portion 34 in each of the other end portions 33 of the blade members 4, 5 and 6, and the inside of the vertical frame 21. And a link arm 43 shared with the link mechanism 7 fixed to each fitting projection 41 and having a shaft portion 42 rotatably supported on the vertical frame 21, and the vertical frame 21. A connecting shaft portion 44 shared with the link mechanism 7 that is disposed inside and outside the vertical frame 21 through the slit 26 and integrally connects the center portion of the link arm 43 and the fitting protrusion 41; Inside the vertical frame 21, a single continuous piece is mounted on each of the other end portions 71 of the link arm 43 via the shaft member 46 to connect the blade members 4, 5 and 6 detachably from each other. And a belt-like body 72 having flexibility.

  The belt-like body 72 passes through the shaft member 46 that is rotatably inserted into the end portion 71 of the link arm 43, and is fixed to the shaft member 46 at each penetration portion. A shaft member 46 that is rotatably fitted to the end 71 of the link arm 43 that is attached to the uppermost blade member 4 via the fitting projection 41 is fixed to the upper end of the band 72. Yes. A shaft member 46 that is rotatably fitted to an end portion 71 of a link arm 43 that is attached to the lowest blade member 6 via a fitting projection 41 is fixed to the lower end portion of the belt-like body 72. Yes.

  The linearly movable member 9 is disposed on each of the blade-like plate portion 75 having substantially the same shape as the blade body 31 and the one end portion 76 and the other end portion 77 in the X direction of the blade-like plate portion 75, and the blade-like plate portion 75. A fitting portion 34 formed integrally with the blade, a hollow rectangular portion 78 provided integrally with the blade-like plate portion 75 and extending from the one end portion 76 to the other end portion 77 in the X direction, and a blade-like shape A pair of rollers 79 is provided on each of the one end 76 and the other end 77 of the plate portion 75 so as to be rotatable, and is disposed in the slit 26 so as to face each other in the Z direction.

  One end edge 81 extending in the X direction of the blade-like plate portion 75 is arranged on the lower frame 24 side, and the other end edge 82 extending in the X direction of the blade-like plate portion 75 is on the upper frame 23 side. It is arranged in.

  The pair of rollers 79 on the vertical frame 21 side is movable in the Z direction along the slit 26, while the vertical frame 21 is prohibited from moving in the X direction and the Y direction orthogonal to the Z direction.

  The pair of rollers 79 on the vertical frame 22 side is movable in the Z direction along the slit 26, while the vertical frame 22 is prohibited from moving in the Y direction.

  The linearly movable member 9 is linearly moved downward in the Z direction to pull the belt-like body 47 downward, and this pulling causes the blade members 4, 5 and 6 to rotate in the R1 direction via the link arms 43. It comes to give power. Note that the end edge 81 of the blade-like plate portion 75 is configured to come into sliding contact with the sliding contact plate portion 83 of the lower frame 24 when the linearly movable member 9 is disposed on the lower frame 24 side.

  The coil spring 85 is connected to the end 45 of the uppermost link arm 43 at one end thereof and to the vertical frame 21 at the other end.

  For example, as shown in FIG. 8, the coil spring 85 maintains a contracted state when the blade members 4, 5, and 6 are arranged in the opening open position as shown in FIG. 3, for example. When the blade members 4, 5 and 6 are rotated in the R1 direction toward the opening closed position, and when the blade members 4, 5 and 6 are arranged at the opening closed position as shown in FIG. The rotational force applied in the R2 direction opposite to the R1 direction is elastically applied to the uppermost link arm 43, and the vane member 4, via the belt-like body 47 and each link arm 43, based on the rotational force, 5 and 6 are rotated in the R2 direction. Based on the elastic force of the extended coil spring 85, the rotating means 10 moves the blade members 4, 5, and 6 rotated in the R1 direction toward the opening closed position by the linear movement of the linearly movable member 9 in the Z direction. It is biased to return to the original opening opening position.

  The prohibiting means 11 is provided on the locking member 94 having a plurality of locking portions 93 arranged side by side with respect to the Z direction, and on the linearly movable member 9 and is engaged with the plurality of locking portions 93. A locked member 92 having a locked portion 91 to be stopped, a biasing mechanism that biases the plurality of locking portions 93 toward the locked portion 91, and in this example, a coil spring as a biasing mechanism 95.

  The substantially U-shaped locked member 92 extends in the Y direction and is fixed to the hollow rectangular portion 78 and is integrated with one end of the pair of rod-shaped bodies 98 on the locking member 94 side. And a bridge body 99 extending in the X direction that bridges the pair of rod-shaped bodies 98 and the above-described locked portion 91 disposed on the bridge body 99.

  The locking member 94 is integrated with the main body 101 extending in the Z direction, the plurality of locking portions 93 provided integrally on the surface of the main body 101 on the side of the linearly movable member 9, and the upper end portion of the main body 101. And a coil spring mounting portion (biasing mechanism mounting portion) that is provided integrally with the lower end portion of the main body 101 and extends toward the linearly movable member 9 in the Y direction. 103 and is attached to the lower frame 24 via the shaft 104 and the mounting plate 105 so as to be rotatable in the A direction and the B direction on the lower end side of the main body 101.

  The uppermost locking portion 106 arranged on the blade member 4, 5 and 6 side (upper frame 23 side) of the plurality of locking portions 93 with respect to the Z direction is the engagement of the plurality of locking portions 93. It protrudes toward the linearly movable member 9 in the Y direction with respect to the other locking portion 107 located below the stop portion 106. The protruding end of the locking part 106 is arranged with an interval in the Y direction with respect to the other locking part 107 so that the locked part 91 is interposed between the protruding part and the other locking part 107. In addition, a long portion 108 extending in the Z direction is provided.

  Each of the other locking portions 107 protrudes toward the linearly movable member 9 in the Y direction. Such other locking portions 107 form a wave-like portion as a whole.

  The coil spring 95 is connected to the coil spring mounting portion 103 at one end thereof and is connected to the mounting plate 105 via a shaft at the other end. The coil spring 95 thus provided elastically biases the locking member 94 in the A direction.

  For example, as shown in FIG. 3, the prohibiting means 11 includes an uppermost locking portion 106 or another locking portion 107 of the locking member 94 that is biased in the A direction based on the elastic force of the coil spring 95. By abutting on the locked portion 91, the direct movement of the linearly movable member 9 relative to the blade members 4, 5 and 6 and the locking member 94 is prohibited, for example, as shown in FIG. As described above, the locking member 94 is rotated in the B direction against the elastic force of the coil spring 95 by the operation of the operating portion 102, and the uppermost locking portion 106 or the other locking portion 107 is locked. By separating from the portion 91, the prohibition of the direct movement of the linearly movable member 9 in the Z direction with respect to the blade members 4, 5 and 6 and the locking member 94 is released.

  In the louver device 1 of this example, when the blade members 4, 5 and 6 are arranged at the opening open position as shown in FIG. 3, first, the locking member 94 is rotated in the B direction by the operation of the operation unit 102. As shown in FIG. 7, the locking of the locked portion 91 by the uppermost locking portion 106 is released and the prohibition of the linear movement of the linearly movable member 9 in the Z direction by the prohibiting means 11 is canceled. After the release, the blade members 4, 5 and 6 are rotated in conjunction with the R1 direction via the link mechanism 7 by the linear movement of the linearly movable member 9 in the Z direction, and the blade members 4, 5 and 6 is rotated by a desired amount, the release of the operation of the operation portion 102 causes the locking member 94 to rotate in the A direction based on the elastic force of the coil spring 95, and the other locking portion 107 causes the locked portion 91 to move. By locking, the direct movement of the linear movable member 9 in the Z direction by the prohibiting means 11 is prohibited. It way, so that it can adjust the aperture open or opening the closed state of the blade members 4, 5 and 6 as shown in FIG. 8, for example to.

  In the louver device 1 of this example, when the blade members 4, 5 and 6 are arranged at the positions shown in FIG. 3 or FIG. 8, the prohibition means 11 cancels the prohibition of the direct movement of the linear movable member 9 and By performing the prohibition of the linear motion and the linear motion of the linearly movable member 9 in the Z direction in the same manner as described above, the blade members 4, 5 and 6 can be arranged at the opening closed position as shown in FIG. It has become. As shown in FIG. 9, when the blade members 4, 5, and 6 are arranged at the opening closed position, the edge 82 of the blade member 4 is brought into contact with the contact plate portion 84 of the upper frame 23. The edge 82 corresponds to the edge 81 of the blade member 4, the edge 82 of the blade member 6 corresponds to the edge 81 of the blade member 5, and the edge 82 of the blade-like plate portion 75 corresponds to the edge 81 of the blade member 6. The blade members 4, 5, and 6 and the blade-like plate portion 75 cooperate with each other to close the entire opening 2 by such contact.

  In the louver device 1 of this example, when the blade members 4, 5 and 6 are arranged at the opening closed position as shown in FIG. 9, the prohibition means 11 prohibits the linear movement of the linear movable member 9 in the Z direction. , The blade members 4, 5 and 6 are gently rotated in the R2 direction based on the elastic force of the extended coil spring 85, and the blade members 4, 5 and 6 are rotated by a desired amount. By prohibiting the linear movement of the linearly movable member 9 which has been linearly moved upward in the Z direction with the rotation of the blade members 4, 5 and 6 in the R2 direction, for example as shown in FIG. It is possible to adjust the opening closed state or the opening opening state of the blade members 4, 5 and 6, and the blade members 4, 5 and 6 are arranged at the opening opening position as shown in FIG. 3. Can also You have me.

  In the louver device 1 of the present example, the locked member 91 is positioned below the distal end of the long portion 108 as shown in FIG. 9, and then the locking member 94 is moved to FIG. As shown in the figure, the distal end of the long portion 108 is disposed farther away from the linearly movable member 9 than the locked portion 91 with respect to the Y direction by rotating it greatly in the B direction. The blade members 5 and 6 can be pushed upward toward the blade member 4 by the direct movement upward in FIG. 1, and the opening 2 can be opened also by such push-up. Note that the opening 2 as shown in FIG. 10 based on the direct movement of the blade members 4, 5 and 6 in the Z direction is, for example, that the opening 2 can be moved in and out through the opening 2 in an emergency. This can be done when opening.

  According to the louver device 1 described above, the plurality of blade members 4, 5 and 6 that are arranged adjacent to each other in the Z direction and open and close the opening 2 by rotation in the R1 direction and the R2 direction, and linearly move in the Z direction Rotating means 10 having a freely movable member 9 and rotating the blade members 4, 5 and 6 in association with the direct movement of the linearly movable member 9 in the Z direction, and the blade member 4 by the rotating means 10 And a prohibiting means 11 for prohibiting the rotation of 5 and 6 so as to be releasable, and the prohibiting means 11 are arranged in parallel with each other with respect to the Z direction which is the linear motion direction of the linear motion movable member 9. Of the linearly movable member 9 and the latched portion 91 which is provided on the linearly movable member 9 and is latched by the multiple latching portions 93. By prohibiting the movement, the rotation of the blade members 4, 5 and 6 is prohibited. In addition, the blade members 4, 5 and 6 can also be prevented from approaching each other in the Z direction, and the mechanism for rotating the blade members 4, 5 and 6 and the blade members 4, 5 and 6 can be mutually connected. Therefore, it is possible to eliminate the need to separately configure the mechanism for releasably prohibiting the approach of the apparatus, thereby reducing the number of parts and simplifying the operation.

  According to the louver device 1, the locking part 106 arranged on the blade members 4, 5 and 6 side of the plurality of locking parts 93 in the Z direction is different from the locking part 106. Since it protrudes toward the linearly movable member 9 side than 107, the locking part 106 arranged on the blade members 4, 5, and 6 side is different from the locking part 91 by the other locking part 107. Even when the locking is released, it is possible to maintain the state in which the locking portion 106 arranged on the blade member 4, 5 and 6 side can lock the locked portion 91. The prohibition and release of the rotation of the members 4, 5 and 6 and the prohibition and release of the mutual approach of the blade members 4, 5 and 6 can be selectively performed with a simple operation.

  According to the louver device 1, the locked portion 91 is interposed between the protruding end of the locking portion 106 arranged on the blade members 4, 5 and 6 side and the other locking portion 107. Since the elongated portion 108 extending in the Z direction is provided, the locking portion 106 on the side of the blade members 4, 5, and 6 is different from the locking portion 91 by the other locking portion 107. Even when the locking is released, it is possible to more reliably maintain a state in which the locking portion 106 arranged on the blade member 4, 5, 6 side can lock the locked portion 91. Thus, the prohibition and release of the rotation of the blade members 4, 5 and 6 and the prohibition and release of the mutual approach of the blade members 4, 5 and 6 can be selectively performed with a simple operation.

  In the louver device 1 of this example, the blade members 4, 5 and 6 are vertically placed so as to be adjacent to each other in the Z direction. For example, the blade members 4, 5 and 6 are adjacent to each other in the X direction or the Y direction. It may be placed sideways.

It is front explanatory drawing of the example of embodiment of this invention. It is back surface explanatory drawing of the example shown in FIG. It is side surface explanatory drawing of the example shown in FIG. It is a plane expansion explanatory drawing of the example shown in FIG. FIG. 2 is an enlarged explanatory diagram mainly showing a link mechanism in the example shown in FIG. 1. Each of (a) and (b) is an enlarged explanatory view mainly of a link mechanism in the example shown in FIG. It is operation | movement explanatory drawing of the example shown in FIG. It is operation | movement explanatory drawing of the example shown in FIG. It is operation | movement explanatory drawing of the example shown in FIG. It is operation | movement explanatory drawing of the example shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Louver apparatus 2 Opening 3 Frame body 4, 5, 6 Blade member 7, 8 Link mechanism 9 Directly movable member 10 Rotating means 11 Inhibiting means 85, 95 Coil spring 91 Locked part 92 Locked member 93 Multiple engagements Stop part 94 Locking member

Claims (7)

A frame defining an opening, a plurality of blade members arranged adjacent to each other and opening and closing the opening by rotation, and a linearly movable member that is linearly movable and the linearly movable member A rotating means for interlockingly rotating a plurality of blade members by a direct movement of the rotation, and a prohibiting means for releasably prohibiting the rotation of the plurality of blade members by the rotating means. a locking member which is rotatably mounted to the frame via a shaft with which a locking portion of the multiple alongside one another respectively with respect to the linear motion direction of the member, is provided in the linearly movable member And a locked portion that is locked by the plurality of locking portions, and the locking member locks the plurality of locking portions to the locked portion by one rotation, while the other rotation The lock between the locked portion and the plurality of locking portions is released by Of the number of locking portions, the uppermost locking portion protrudes more toward the linearly movable member side than the other locking portions positioned below the uppermost locking portion. and it has a louver system. The protruding end of the uppermost locking portion is provided with a long portion extending in the linear movement direction of the linearly movable member so that the locked portion is interposed between the other locking portions. The louver device according to claim 1. The louver device according to claim 1 or 2, wherein the prohibiting means includes a biasing mechanism that biases the plurality of locking portions toward the locked portion . The rotating means connects the plurality of blade members on one end edge side in a direction intersecting with the respective rotation axes of the plurality of blade members, and connects the linearly movable member to one end edge side of the plurality of blade members. The louver device according to any one of claims 1 to 3 , further comprising a link mechanism . The louver device according to claim 4 , wherein the link mechanism includes a flexible belt-like body that couples the plurality of blade members to each other on one end edge side thereof so as to be able to contact and separate from each other . The rotating means includes biasing means for biasing the plurality of blade members so as to rotate the plurality of blade members in a rotation direction opposite to the rotation direction of the rotation of the plurality of blade members due to the direct movement of the linearly movable member. The louver apparatus as described in any one of Claim 1 to 5 which has . A window comprising the louver device according to any one of claims 1 to 6 .

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