JP2020186588A - blind - Google Patents

Abstract

To provide a blind installed outside of a building and not making a big collision noise when a rope collides with a blade at each through-hole in strong wind.SOLUTION: A blind comprises: a plurality of blades 7 liftably and lowerably arranged in a vertical direction V to be away from an outer wall 2 and each having a pair of through-holes 5 and 6; a pair of elongated ropes 8 and 9 guiding lifting and lowering of the plurality of blades 7 in the vertical direction V; a rope stretching mechanism 12 stretching and fixing each of the pair of ropes 8 and 9 inserted into each of the through-holes 5 and 6 of the plurality of blades 7 at its upper end 10 and lower end 11 at constant tension in order to keep a position of the plurality of apposed blades 7; a lifting/lowering and tilting mechanism lifting and lowering the plurality of blades 7 in the vertical direction V and tilting the plurality of blades 7; and a hollow upper frame 15 attached to the outer wall 2 via an attachment member 14 at an upside of an opening 3 and also housing and supporting the rope stretching mechanism 12 and a part of the lifting/lowering and tilting mechanism.SELECTED DRAWING: Figure 1

Description

The present invention relates to a blind that is arranged on a window or the like of a building to blindfold the room and to collect or shield light.

Blinds in which a plurality of blades (slats or louvers) are arranged in the vertical direction on a window of a building to blind the room with such blades and to collect or block natural light or artificial light are known.

JP-A-2018-127799 Japanese Unexamined Patent Publication No. 2014-43707

In such a blind, the ropes for holding the positions of the plurality of blades with respect to the support (post) such as the outer wall and for guiding the elevating and lowering of the plurality of blades vertically through the through holes formed in the plurality of blades. Although it is stretched, since the blinds are installed outdoors such as near an outdoor window (opening), multiple blades are exposed to the outdoor wind, and as a result, in strong winds, with a rope. The restrained blades sway due to strong winds within the range regulated by the through holes, collide with the rope at each through hole, and generate a loud collision sound, which is generated inside the building through the window blinds. Propagates to and causes unpleasant noise for indoor residents.

The present invention has been made in view of the above points, and an object of the present invention is that even if a rope is installed outside a building and a rope collides with a blade in each through hole under strong wind, a large collision occurs. It is an object of the present invention to provide a blind that can eliminate the propagation of a loud collision sound into a building or the like without generating a sound and can make the resident's comfort in the building or the like comfortable.

The blind of the present invention includes a plurality of blades that are juxtaposed in the vertical direction so as to be able to move up and down and each has a pair of through holes, and a pair of long blades that guide the up and down in the vertical movement of the plurality of blades. A rope is provided, and each of the pair of ropes is inserted through the through holes of the plurality of blades and fixed at the upper end and the lower end in order to hold the positions of the plurality of blades juxtaposed. The pair of ropes are stretched with a constant tension, and each of the pair of ropes includes a metal wire rope main body and a soft elastic body covering the wire rope main body.

According to the blind of the present invention, each of a pair of long ropes inserted into the through holes of the plurality of blades and fixed to the outer wall at the upper end and the lower end and stretched with a constant tension is made of metal. In addition to the wire rope body of the above, since the soft elastic body covering the wire rope body is provided, the collision of the metal wire rope body with the blade at the through hole is performed through the soft elastic body. As a result, even if a plurality of blades restrained by the rope under strong wind sway due to the strong wind within the range regulated by the through holes and the rope collides with the blades in each through hole, the collision with the rope is soft elastic. It is possible to avoid the generation of a loud collision noise by buffering it with the body, and it is possible to eliminate the propagation of the loud collision noise into the building or the like, so that the resident's comfort in the building or the like can be made comfortable.

In the present invention, the blade may be made of metal, resin, wood, or the like having shape retention, but is preferably an extruded product of aluminum or resin or forming of aluminum, resin, or steel. It is composed of a molded product or a press-molded product, and more preferably an extruded aluminum product having a wall thickness of about 1.0 mm.

In one preferred example of the present invention, the wire rope body consists of a single metal wire or stranded metal wire, and in one more preferred example, the wire rope body is made of stainless steel as metal.

In the present invention, in a preferred example, the soft elastic body has a hardness of 70 or less in a hardness test based on JIS K6253, and in a more preferable example, a hardness of 63 or less in a hardness test based on JIS K6253.

In the present invention, the soft elastic body contains or consists of silicone rubber, in a preferred example.

According to the present invention, even if a rope is installed near an outdoor window or the like and a rope collides with a blade in each through hole under strong wind, a loud collision noise is emitted into a building or the like without generating a loud collision noise. Propagation can be eliminated and a blind can be provided that can make the occupants feel comfortable, such as in a building.

FIG. 1 is a perspective explanatory view of a preferable example of the embodiment of the present invention. FIG. 2 is a side explanatory view of the example shown in FIG. FIG. 3 is a partially enlarged side view of the example shown in FIG. FIG. 4 is a partially enlarged side view of the wire rope of the example shown in FIG. FIG. 5 is an explanatory cross-sectional view taken along the line VV shown in FIG. FIG. 6 is an operation explanatory diagram of the example shown in FIG. FIG. 7 is an operation explanatory diagram of the example shown in FIG. FIG. 8 is an operation explanatory diagram of the example shown in FIG.

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

In FIGS. 1 to 5, the blind 1 of this example is juxtaposed in the vertical direction V so as to be vertically separated from the outer wall 2 on the outer side 4 of the opening 3 of the outer wall 2 of the building as a support (post). A plurality of blades 7 each having a pair of through holes 5 and 6 and a pair of long ropes 8 and 9 for guiding the ascending / descending of the plurality of blades 7 in the vertical direction V are juxtaposed. In order to maintain the positions of the plurality of blades 7 with respect to, for example, the outer wall 2, a pair of ropes 8 and 9 inserted through the through holes 5 and 6 of the plurality of blades 7 are respectively placed at the upper end 10 and the lower end 11. The rope tensioning mechanism 12 is fixed to the outer wall 2 as a support (post) and stretched with a constant tension, and the plurality of blades 7 are moved up and down in the vertical direction V and the plurality of blades 7 are tilted. A hollow upper frame that is attached to the outer wall 2 via the mounting member 14 above the elevating / tilting mechanism 13 and the opening 3, and also accommodates and supports a part of the rope tensioning mechanism 12 and the elevating / tilting mechanism 13. It is equipped with 15.

Each of the blades 7 made of an extruded aluminum product has a long outer large-diameter arc portion 22 having a large-diameter arc convex surface 21 and a wall thickness of about 1.0 mm, and an arc convex surface 21 of the arc portion 22. The arc portion 22 has a small diameter arc convex surface 23 and 24 having a radius of curvature smaller than the radius of curvature of, and each of the arc convex surfaces 23 and 24 extends flushwise and continuously from the arc convex surface 21. It is provided with small-diameter arc portions 27 and 28 integrally formed on both longitudinal edge portions 25 and 26 of the above.

Each of the pair of ropes 8 and 9 is made of a wire rope main body 31 made of a single wire made of stainless steel as a metal, and a silicone rubber covering the cylindrical outer peripheral surface 32 of the wire rope main body 31, and the cylindrical outer peripheral surface 33. It is provided with a soft elastic body 34 having the above.

The rope stretching mechanism 12 includes a rope stretching portion 41 for stretching the rope 8 and a rope stretching portion 42 for stretching the rope 9 and formed in the same manner as the rope stretching portion 41.

The rope tensioning portion 41 is fixed to the outer side 4 of the outer wall 2 above the opening 3, and the upper end 10 of the rope 8 is fixed in the hollow upper frame 15 as well as a fixing member (not shown). The rope is provided with a fixing member 45 which is fixed to the outer side 4 of the outer wall 2 and the lower end 11 of the rope 8 is fixed below the opening 3 in the same manner as the fixing member. The tensioning portion 42 is a fixing member similar to the fixing member 45, and is fixed to the outside 4 of the outer wall 2 above the opening 3 and the upper end 10 of the rope 9 is fixed in the hollow upper frame 15. A fixing member (not shown) and a fixing member similar to the fixing member 45, which are fixed to the outer side 4 of the outer wall 2 like the fixing member 45 below the opening 3, and the lower end 11 of the rope 9 is fixed. It includes a fixing member 46.

The elevating and tilting mechanism 13 hangs down through each of the through holes 52 formed in each of the one end portions 51 in the longitudinal direction of each of the other blades 7 except the lowermost blade 7, and the lowermost end 53 is. One flexible blade elevating strip 54 fixed to one end 51 in the longitudinal direction of the lowermost blade 7, and other blades excluding the lowermost blade 7 like the blade elevating strip 54. The lowermost end 57 is fixed to the other end 55 in the longitudinal direction of the lowermost blade 7 while hanging through each of the through holes 56 formed in each of the other end 55s in the longitudinal direction of each of 7. The other flexible blade elevating strip 58, the unwinding winding mechanism 59 that synchronously unwinds and winds the blade elevating strips 54 and 58, and one end portion 51 of each of the blades 7 in the longitudinal direction, respectively. A flexible string member 61 for suspending and supporting each of the blades 7 at one end portion 51, wherein the flexible outer string portion 62, the flexible inner string portion 63, and the outer string are connected to each other. A string member 61 integrally having a plurality of flexible annular string portions 64 for tightening and holding each end portion 51 of each of the blades 7 between the portion 62 and the inner cord portion 63, and each of the blades 7. A flexible string member 65 that connects the other ends 55 in the longitudinal direction to each other and suspends and supports each of the blades 7 at the other end 55 in cooperation with the string member 61. A plurality of flexible annular rings that fasten and hold the other end 55 of each of the blades 7 between the flexible outer cord 66, the flexible inner cord 67, and the outer cord 66 and the inner cord 67. A string member 65 integrally having each of the string portions 68, a delivery / retracting mechanism 69 that allows the inner string portions 63 and 67 to be relatively differentially sent out and retracted with respect to the outer string portions 62 and 66, and a manual operation. The winding and winding mechanism 59 is provided with the synchronized winding and winding of the blade elevating strips 54 and 58, and the sending and pulling mechanism 69 is provided with the relative of the inner strings 63 and 67 to the outer strings 62 and 66. A manually operated rod 71 connected to the unwinding winding mechanism 59 and the feeding / retracting mechanism 69 via a universal joint 70 is provided so as to cause a differential pulling / pulling.

The unwinding winding mechanism 59 and the feeding / retracting mechanism 69 are housed in a mechanism accommodating box 72 attached to the hollow upper frame 15 in addition to the hollow upper frame 15.

As shown in FIGS. 1 and 2, in the elevating / tilting mechanism 13, a plurality of blades 7 are spaced apart from the outer wall 2 on the outer side 4 of the opening 3 of the outer wall 2 of the building and are vertically spaced at equal intervals in the vertical direction V. When the manual operation rod 71 is rotated from the room 81 through the operation grip portion 82 in, for example, the direction R1 when they are juxtaposed with each other apart from each other, the blade elevating strip 54 via the unwinding winding mechanism 59. And 58 can be wound in synchronization, and the lowermost blades 7 fixed to the lowermost ends 53 and 57 of the blade elevating strips 54 and 58 are moved up and down by the synchronous winding of the blade elevating strips 54 and 58. It is raised in the direction V, and as shown in FIG. 7, the blades 7 above the lowest blade 7 are raised one after another by the rise of the lowest blade 7, and finally, as shown in FIG. 8, the opening A plurality of blades 7 are overlapped at the upper portion of the opening 3 so as to open all of the portions 3, further rotation of the direction R1 of the manual operation rod 71 is prevented, and the manual operation rod 71 is operated from the room 81. The superposition of the plurality of blades 7 shown in FIG. 8 is maintained unless the blades 7 are rotated in the direction R2 via the grip portion 82, while the plurality of blades 7 are formed in the opening 3 of the outer wall 2 of the building as shown in FIG. When the manual operation rod 71 is rotated from the room 81 through the operation grip portion 82 in the direction R2, for example, when the upper part of the outer side 4 is overlapped, the blade elevating strip 54 is passed through the unwinding winding mechanism 59. And 58 can be unwound synchronously, and the lowermost blade 7 fixed to the lowermost ends 53 and 57 of the blade elevating strips 54 and 58 by the synchronous unwinding of the blade elevating strips 54 and 58. Is lowered in the vertical direction V, and as shown in FIG. 7, the lowermost blades 7 are lowered one after another, and finally the lowermost blades 7 are lowered in FIGS. 1 and 2. As shown, when a plurality of blades 7 are juxtaposed at equal intervals in the vertical direction V and the rotation of the manual operation rod 71 in the direction R2 is stopped in a state where the plurality of blades 7 are juxtaposed at equal intervals, FIG. And while the equidistant and juxtaposed state of the plurality of blades 7 shown in FIG. 2 is maintained, the manual operation rod 71 is further directed from the equidistant and juxtaposed state of the plurality of blades 7 via the operation grip portion 82. When rotated to R2, the outer string portions 62 and 66 are fed in the vertical direction V via the delivery retracting mechanism 69 instead of the synchronized unwinding of the blade elevating strips 54 and 58, while the inner cord portion As a result of 63 and 67 being retracted in the vertical direction V, a plurality of blades 7 are provided on the outer cord portions 62 and 66 sides. The front edge side (longitudinal edge portion 25) is supported by the inner cord portions 63 and 67, and the trailing edge side (longitudinal edge portion 26) of the plurality of blades 7 is supported via the annular cord portion 68, respectively. When it is tilted as shown in FIG. 6 and tilted to a predetermined angle, the direction R2 of the manual operation rod 71 via the operation grip portion 82 is prevented from rotating, and a plurality of blades as shown in FIG. Unless the tilt of the blade 7 is maintained and the manual operation rod 71 is rotated in the direction R1, the tilt of the plurality of blades 7 as shown in FIG. 6 is maintained, while the tilt of the plurality of blades 7 as shown in FIG. 6 is maintained. When the manual operation rod 71 is rotated in the direction R1 in the maintained state, the outer string portions 62 and 66 are sent out in the vertical direction V and the inner string portions 63 and 67 are retracted in the vertical direction V. As a result of the outer cord portions 62 and 66 being retracted in the vertical direction V and the inner cord portions 63 and 67 being sent out in the vertical direction V, the tilting of the plurality of blades 7 is released, as shown in FIGS. 1 and 2. In the direction R1 of the manual operation rod 71, a plurality of blades 7 are juxtaposed at equal intervals in the vertical direction V, and a plurality of blades 7 are juxtaposed at equal intervals in the vertical direction V. When the rotation is stopped, the plurality of blades 7 are maintained in parallel with each other at equal intervals in the vertical direction V. In this maintenance state, when the manual operation rod 71 is rotated in the direction R1, the lowermost position is as described above. While the blade 7 can be raised in the vertical direction V, when the manually operated rod 71 is rotated in the direction R2, a plurality of blades 7 can be tilted as described above, and the direction of the manually operated rod 71 can be generated. When the rotation of R1 or the direction R2 is stopped in the middle, the ascending, descending or tilting of the plurality of blades 7 performed by the rotation of the direction R1 or the direction R2 of the manually operating rod 71 is stopped, and the manually operating rod 71 is moved. Unless it is rotated in the direction R1 or the direction R2 again, the ascending position, the descending position, or the tilt angle when the rotation of the direction R1 or the direction R2 of the manual operation rod 71 is stopped in the middle is maintained.

In addition, in the opening 3 in which such a blind 1 is installed, a sliding shoji, an inner single opening or an inner double opening shoji, or the like is installed.

Since the elevating and tilting mechanism 13, the sliding shoji, the inner single-opening or inner double-opening shoji, and the like are already known, detailed description of the mechanism will be omitted.

In the above blind 1, the plurality of blades 7 are vertically separated from the outer wall 2 at the outer side 4 of the opening 3 as shown in FIGS. 1 and 2 for blindfolding and partial shading of the room 81. They are juxtaposed at equal intervals in the direction V, and for substantially complete blindfolding and shading of the room 81, as shown in FIG. 6, the outer side 4 of the opening 3 is separated from the outer wall 2 in the vertical direction V. They are placed side by side at equal intervals and tilted at a constant angle, and for complete lighting of the room 81, they are placed on top of each other on the outside 4 of the opening 3 as shown in FIG. For other purposes, it is used side by side on the outer side 4 of the opening 3.

By the way, in such a blind 1, a long length that is inserted through holes 5 and 6 of the plurality of blades 7 and fixed to an outer wall 2 at the upper end 10 and the lower end 11 and stretched with a constant tension. Since each of the pair of ropes 8 and 9 has a soft elastic body 34 covering the wire rope body 31 in addition to the metal wire rope body 31, the blades 7 at the through holes 5 and 6 are provided. As a result of the collision of the metal wire rope body 31 of the above through the soft elastic body 34, a plurality of blades 7 restrained by the ropes 8 and 9 under strong wind on the outside 4 are regulated by the through holes 5 and 6. Even if the ropes 8 and 9 collide with the blades 7 in the through holes 5 and 6 due to the shaking due to the strong wind within the specified range, the collision with the ropes 8 and 9 is buffered by the soft elastic body 34 and a loud collision sound is produced. Can be avoided, and the propagation of the loud collision noise into the building through the opening 3 can be eliminated, and the comfort of the occupants in the building can be made comfortable.

Each of the pair of ropes 8 and 9 (diameter) of the ropes 8 and 9 composed of a single wire rope body 31 made of stainless steel (diameter φ1 = 1.8 mm) and a soft elastic body 34 made of silicone rubber as an embodiment of the present invention. φ2 = 4 mm) was prepared, and a pair of ropes 8 and 9 (measured with the respective hardness 63 hardness tester Teclock GS-719N of the ropes 8 and 9) as this embodiment were measured in the state shown in FIG. Used for a blind 1 having a height of 2000 mm and a height of H = 2000 mm, and a vibration of a wind speed of 10 m / s on the blind 1 (measured by a vibrator FUSO PVB-820, a vibration of a wind speed of 10 m / s = 1.8 m / s 2-2. 0m / s2) is reproduced with a rope cylinder (IAI RC3-CTZ5C-A-60-1075-T2-MB Rope cylinder setting condition stroke = 5mm, speed = 800mm / s acceleration = 1G), and noise (noise meter (Using Rion NL-22) is measured in the state shown in FIG. 1 and the state shown in FIG. 6, while as a comparative product, a stainless steel having a diameter of φ3 = 4 mm and coated with PVC (polyvinyl chloride) is used. A rope composed of a single wire rope body was prepared, and a pair of ropes as a comparative product were used for the same blind as above, and the noise was measured under the same conditions as above.

In the product of the present invention, it is 58 dB (50 dB) in the state shown in FIG. 1 and 55 dB (49 dB) in the state shown in FIG. 6 (values in parentheses are background noise). In the state shown, it was 73.5 dB (53 dB), and in the state shown in FIG. 6, it was 70 dB (49 dB) (values in parentheses are background noise).

Further, while the acceleration was changed between 2G and 3G by the Robo cylinder, the noise between the product and the comparative product of the present invention under the same conditions as those described above was measured. The product was 63 dB at acceleration 2G and 65 dB at acceleration 3G, while the comparative product was 77 dB at acceleration 2G and 80 dB at acceleration 3G.

As is clear from the comparison noise measurement with the above comparative products, according to the blind 1 of the present invention, the generation of a large collision sound can be avoided, and the large collision sound is propagated into the building through the opening 3. Can be eliminated and the occupants in the building can be comfortable.

1 Blind 2 Outer wall 3 Opening 4 Outer 5, 6 Through hole 7 Blade 8, 9 Rope 10 Upper end 11 Lower end 12 Rope tensioning mechanism 13 Lifting and tilting mechanism 14 Mounting member 15 Hollow upper frame

Claims (7)

It is provided with a plurality of blades that are juxtaposed in the vertical direction so as to be able to move up and down and each have a pair of through holes, and a pair of long ropes that guide the movement in the vertical direction of the plurality of blades. Each of the pair of ropes is inserted through the through holes of each of the plurality of blades and fixed at the upper end and the lower end to maintain the positions of the plurality of blades juxtaposed with a constant tension. Each of the pair of ropes is a blind provided with a metal wire rope body and a soft elastic body covering the wire rope body. The blind according to claim 1, wherein the blade is made of an extruded product of aluminum or resin, a forming molded product of aluminum, resin or steel, or a press molded product. The blind according to claim 1 or 2, wherein the wire rope body is made of a single metal wire or a stranded metal wire. The blind according to claim 3, wherein the wire rope body is made of stainless steel as a metal. The blind according to any one of claims 1 to 4, wherein the soft elastic body has a hardness of 70 or less or 63 or less in a hardness test conforming to JIS K6253. The blind according to any one of claims 1 to 5, wherein the soft elastic body contains silicone rubber. The blind according to any one of claims 1 to 5, wherein the soft elastic body is made of silicone rubber.

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