JP6948766B2 - Code guidance device and cloaking device - Google Patents

Description

The present invention is a cord guide device that guides a plurality of cords for moving a shielding material in a housing such as a head box or a rail, and a cord that enables a plurality of cords distributed in the head box to be turned in the hanging direction. The present invention relates to a support device, a rotary shaft relay support device that relays and supports a predetermined rotary shaft, and a shielding device such as a horizontal blind, a pleated screen, a roman shade, or a vertical blind or an accordion curtain to which these devices can be applied.

As a shielding device that distributes a cord for moving the shielding material in the head box, typically, the pulling operation force of the operation cord is directly or indirectly transmitted to the elevating cord to the shielding material in one direction. There is a guide-operated horizontal blind that can be moved and the shielding material can be mechanically and automatically moved in the other direction.

In the guide-operated horizontal blind, multiple ladder cords suspended from the head box support multiple stages of slats, and the cord support device arranged in the head box is operated by the operating device. Each slat can be rotated in the same phase via the ladder cord.

Then, in the operating device, a gear mechanism is arranged in the head box, the input shaft of the gear mechanism is projected from the opening provided in the head box to the outside of the head box, and the operating rod is attached to the tip of the input shaft. It is connected or a tilt operation code is hung, and the angle of the slat can be adjusted by the operation rod or the tilt operation code.

On the other hand, the elevating cord is led out from the inside of the head box via the cord outlet and connected to one end of the operation cord via the cord equalizer, and the other end of the operation cord is connected to the bottom rail. Alternatively, the elevating cord may be guided from the inside of the head box through the cord outlet to the inside of the operation rod and connected to the knob at the lower end of the operation rod.

Then, by operating the operation cord and the knob to pull out the elevating cord from the head box, the bottom rail is pulled up and the slats are raised.

In the horizontal blind that guides the movement of the elevating cord, the slat is lowered by the weight of the bottom rail and the slat. Therefore, a stopper device for locking the movement of the elevating cord is provided in the head box.

When the pull-out operation of the elevating cord is stopped, the stopper device is activated to prevent the slat and the bottom rail from dropping their own weight. Further, when the operation of the stopper device is released, the slats and the bottom rail are lowered based on their own weights.

By the way, in a shielding device in which a plurality of elevating cords are arranged in a head box so that they can be turned in the hanging direction, a cord supporting device for inserting a plurality of elevating cords and turning in the hanging direction is provided, and this one cord supporting device is provided. Disclosed is a technique in which an upper and lower dividing wall is provided in the upper and lower portions to guide the moving area of the elevating cord separately (see, for example, Patent Document 1).

Further, in a shielding device capable of arranging a plurality of elevating cords in a head box and turning in the hanging direction, a cord supporting device for inserting a plurality of elevating cords and turning in the hanging direction is provided, and this one cord supporting device is provided. Discloses a technique in which a pulley or an upright wall for turning each elevating cord is provided to reduce friction related to the turning of the elevating cord (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2014-1599 Japanese Unexamined Patent Publication No. 2014-21158

As disclosed in Patent Documents 1 and 2 described above, in a shielding device for distributing a plurality of elevating cords in a head box, when a plurality of elevating cords are inserted into one cord support device, the elevating cords of the elevating cords are used. By guiding the moving area separately and by providing a pulley or an upright wall so as to reduce the friction related to the turning of the elevating cord, the slats can be smoothly elevated and lowered, and the quality can be improved.

However, for example, a cord outlet for hanging the lifting cord from the left and right ends of the headbox to the bottom rail, and a cord outlet for leading out from the headbox and an operating device for tilting between the lifting cords hanging from the left and right ends are provided. In the configuration of arranging or the shielding device that is long in the left-right direction, the length of the elevating cord to be distributed in the head box is also relatively long, so that it is inserted into the cord support device, stopper device, cord outlet, etc. Lifting cord friction may be greater. That is, there are cases where it is not sufficient as a guide for the elevating cord only by using the techniques disclosed in Patent Documents 1 and 2 described above.

Further, in such a shielding device that is long in the left-right direction, the head box becomes large not only in the left-right direction but also in the front-rear direction. At this time, it is possible to increase the size of all the components of the cord support device based on the techniques disclosed in Patent Documents 1 and 2 described above, but various cord support devices according to the specifications of the shielding device. Will need to be prepared, which will increase the cost.

Further, in the case of the horizontal blind, there are various specifications such as 25 mm, 35 mm, and 50 mm as the width of the slats in the front-rear direction, and all the components of the cord support device may be individually prepared according to these specifications. The cost increases.

Therefore, in consideration of the configurations of various cloaking devices, a technique that can improve the guidance performance of cords such as elevating cords and reduce the cost of cord support devices is desired.

An object of the present invention is to provide a plurality of cords for moving a shielding material in a housing such as a headbox or a rail in order to improve the guiding performance of a cord such as an elevating cord and to reduce the cost of a cord support device. A cord guide device for guiding, a cord support device that enables a plurality of cords distributed in a head box to be turned in the hanging direction, a rotary shaft relay support device that relays and supports a predetermined rotary shaft, and these devices are applied. The purpose is to provide a shielding device that enables it.

The code guide device of the present invention is a code guide device that guides a plurality of cords for moving a shielding material inside a housing (head box, rail, etc.), and guides the plurality of cords to the outside of the housing. Of the plurality of cords, as an independent member between the cord derivation port for deriving the cord and the cord support device capable of turning at least one of the plurality of cords in the hanging direction from the housing. It has a body that is commonly used for the functions of turning, guiding, and aggregating to guide at least one cord so that it can be turned, guided, or aggregated in the housing, and the main body is provided with the turning. , Guidance, and aggregation can be installed with at least one pulley or upright wall depending on the purpose, the body is provided with sufficient openings for the plurality of cords to be inserted, and the openings are provided with the pulleys. Alternatively, when one upright wall is installed, at least one of the plurality of cords is rotated in the opening through the one pulley or the upright wall, and has a function of guiding the other cords. When two pulleys or upright walls are installed in the opening, it has a function of penetrating between the two pulleys or upright walls and aggregating at least one of the plurality of cords in the opening. and things, characterized in that to be able to vary the said turn the presence or absence and the number of pulleys or upstanding walls, induction, and function of aggregate.

Further, the code guiding device of the present invention is characterized by having at least one or more pulleys so that the at least one cord can be turned, guided or aggregated in the housing.

Further, the code guide device of the present invention is characterized by having at least one or more upright walls so that the at least one cord can be turned, guided or aggregated in the housing.

Further, in the code guide device of the present invention, the upright wall is covered with a metal plate.

Further, the shielding device of the present invention is characterized by including the code guiding device of the present invention.

According to the present invention, it is possible to improve the guidance performance of a cord such as an elevating cord and to reduce the cost of the cord support device.

It is a front view which shows the schematic structure of the horizontal blind which is configured as the shielding device of one Embodiment by this invention. (A) is a plan view showing a schematic configuration of a horizontal blind configured as a shielding device of one embodiment according to the present invention, and (b) simplifies the arrangement of an elevating cord in a head box in the horizontal blind. It is a plan view shown in. It is a front view which shows the partial schematic structure of the right end side in the horizontal blind which is configured as the shielding device of one Embodiment by this invention. It is a front view which shows the partial schematic structure of the central side in the horizontal blind which is configured as the shielding device of one Embodiment by this invention. (A) and (b) are perspective views and side views showing a schematic configuration of a first code guidance device in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. (A) and (b) are perspective views and side views showing a schematic configuration of a second code guidance device in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. (A), (b), and (c) are perspective views, side views, and plan views showing a schematic configuration of a first cord support device in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. be. (A), (b), and (c) are perspective views, side views, and plan views showing a schematic configuration of a second cord support device in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. be. (A) and (b) are perspective views which show the attachment method of the 1st tilt drum which attached the rotary shaft relay support device in the 1st and 2nd cord guide device which concerns on this invention, respectively. It is a perspective view which shows the schematic structure of the rotary shaft relay support device which concerns on this invention, and the state when the rotary shaft relay support device is mounted on the 1st tilt drum. (A) is a perspective view showing a state when the rotary shaft relay support device according to the present invention mounted on the first tilt drum is mounted on the first cord support device according to the present invention, and (b). ) Is a comparative example. It is a perspective view which shows the state when the 2nd tilt drum is placed on the 1st cord support device which concerns on this invention. (A) is a partial side view showing the tilting operation of the slats by the first tilt drum supported via the rotary shaft relay support device mounted on the first cord support device according to the present invention. (B) is a partial side view showing the tilting operation of the slats by the second tilt drum mounted on the first cord support device according to the present invention, respectively. (A) and (b) are perspective views and side views showing a modification of the second code guide device in the horizontal blind configured as the shielding device of one embodiment according to the present invention, respectively. (A), (b), and (c) are perspective views, side views, and plan views showing a modification of the first cord support device in the horizontal blind configured as the shielding device of the embodiment according to the present invention, respectively. be. It is a top view which shows the schematic structure of the horizontal blind which is configured as the shielding device of another embodiment by this invention.

Hereinafter, a horizontal blind configured as a shielding device according to an embodiment of the present invention will be described with reference to the drawings. In the specification of the present application, with respect to the front view of the horizontal blind shown in FIG. 1, the upper side and the lower side in the drawing are upward (or upper) and downward (or upper) according to the hanging direction of the shielding material (slat) 3, respectively. Or the lower side), and the left direction shown is defined as the left side of the horizontal blind, and the right direction shown is defined as the right side of the horizontal blind. Further, in the example described below, with respect to the front view of the horizontal blind shown in FIG. 1, the side to be visually recognized is the front side (or the indoor side), and the opposite side is the rear side (or the outdoor side).

(overall structure)
First, the overall configuration of the horizontal blind of the present embodiment will be described with reference to FIGS. 1 to 4. FIG. 1 is a front view showing a schematic configuration of a horizontal blind of the present embodiment. FIG. 2A is a plan view showing a schematic configuration of the horizontal blind of the present embodiment, and FIG. 2B is an arrangement of lifting cords C1, C2, C3, and C4 in the head box 1 in the horizontal blind. It is a top view which shows simply. 3 and 4 are front views showing partial schematic configurations of the right end side and the center side of the horizontal blind of the present embodiment, respectively.

With reference to FIGS. 1 and 2 (a), in the horizontal blind of the present embodiment, a plurality of ladder cords 5 are hung from the head box 1, and a plurality of steps of slats 3 are supported by the ladder cords 5. .. The head box 1 is fixed to a mounting surface such as a ceiling surface via a bracket 6.

Above each ladder code 5, support members 2R, 2M, 2T, 2L are arranged in the head box 1 in this order from the right end side to the left end side, and the first support members 2R, 2M, 2T, 2L are provided with the first support members 2R, 2M, 2T, 2L, respectively. Tilt drum 51 is supported. Although the details will be described later, the support members 2R, 2T, and 2L have main bodies having the same shape, but the support member 2M has a main body having a shape different from those of the support members 2R, 2T, and 2L.

Further, as shown in FIGS. 3 and 4, the first tilt drum 51 is supported by the support members 2R, 2M, 2T, and 2L via the rotary shaft relay support device 52, which will be described in detail later.

The upper end of the ladder cord 5 is attached to the first tilt drum 51 supported by the support members 2R, 2M, 2T, and 2L. Then, when the first tilt drum 51 rotates, each slat 3 rotates in the same phase via the ladder cord 5.

The support member 2M and the support member 2T for suspending the ladder cord 5 are arranged when forming a horizontally long blind in the left-right direction, and one or more of them can be installed.

A hexagonal rod-shaped angle adjusting shaft 15 is inserted into the first tilt drum 51 so as not to rotate relative to each other, and one end of the angle adjusting shaft 15 is fitted to an output shaft of an operating device 16 provided at the right end of the headbox 1. ing.

A gear mechanism is arranged in the operation device 16, and a tilt operation code 13 introduced into the head box 1 via a cord introduction port 12 is mounted on an input shaft of the gear mechanism, and each of the tilt operation codes 13 is mounted. The end portion is attached to the tilt tassel 14 and has an endless shape. The angle adjusting shaft 15 is rotated by the pulling operation of the tilt operation code 13, and the first tilt drum 51 is rotated integrally with the angle adjusting shaft 15. This makes it possible to adjust the angle of the slats 3.

Further, the support members 2R and 2L hang their respective elevating cords C1 and C2 from the substantially central portion in the front-rear direction of the head box 1, and the lower ends of the elevating cords C1 and C2 are substantially the same in the front-rear direction of each slats 3. It is attached to the bottom rail 4 through an insertion hole (not shown) provided in the central portion.

Further, the support member 2M hangs the elevating cords C3 and C4 from the vicinity of the ends in the front-rear direction of the head box 1, respectively, and the lower ends of the elevating cords C3 and C4 are attached to the bottom rail 4. Here, as a method of attaching the elevating cords C3 and C4 to the bottom rail 4, it is also possible to attach the elevating cords C3 and C4 that hang independently in the front and rear, but in this example, the bottom rail 4 is attached. By forming each elevating cord C3 and C4 from one elevating cord connected by rotating around the lower end, each elevating cord C3 and C4 is attached to the bottom rail 4. Each of the elevating cords C3 and C4 is inserted into a ring-shaped engaging portion 5a provided at an appropriate position on the ladder cord 5 suspended from the support member 2M, and is inserted along the end portion of each slats 3 in the front-rear direction. And hang down.

The upper ends of the elevating cords C1, C2, C3, and C4 are turned by the support members 2R, 2L, and 2M and guided to the right end side of the head box 1. Then, the end portions of the elevating cords C1, C2, C3, and C4 are led out from the cord outlet 7 via the stopper device 17 arranged in the head box 1, and are attached to one end of the cord equalizer 9. One end of the operation cord 10 is attached to the other end of the cord equalizer 9, and is attached to the bottom rail 4 via a detachable cord connecting member 11.

With such a configuration, when the cord equalizer 9 and the operation cord 10 are pulled downward, the elevating cords C1, C2, C3, and C4 are pulled out from the cord outlet 7 of the headbox 1 with the same length, and the bottom rail 4 is pulled out. It will be pulled up.

The stopper device 17 prevents the lifting cords C1, C2, C3, and C4 from moving due to the weight of the bottom rail 4 and the slats 3 after the lifting operation of the lifting cords C1, C2, C3, and C4 from the cord outlet 7. It has a function to prevent the bottom rail 4 and the slats 3 from descending by their own weight. Therefore, the bottom rail 4 and the slats 3 are held in a state of being pulled up to a desired height.

Further, when the elevating cords C1, C2, C3, and C4 are pulled out from the cord outlet 7 from the state where the bottom rail 4 and the slat 3 are prevented from lowering their own weight, the operation of the stopper device 17 is released and the bottom rail 4 is released. And the weight drop of the slats 3 is allowed. Therefore, the bottom rail 4 and the slat 3 can be mechanically and automatically moved so as to be lowered to the lower limit position.

By the way, in the horizontal blind of the present embodiment, the support members 2R and 2L are arranged at both ends in the left-right direction as much as possible to improve the design and the insertion holes of the slats 3 related to the hanging of the elevating cords C1 and C2. It also reduces the effect of slight light leakage from (not shown).

Therefore, as shown in FIG. 1, the cord outlet 7 for pulling out the elevating cords C1, C2, C3, and C4 is provided on the left side of the support member 2R with respect to the headbox 1. Similarly, the cord introduction port 12 for the tilt operation code 13 is also provided on the left side of the support member 2R with respect to the head box 1.

In the horizontal blind configured in this way, the lengths of the elevating cords C1, C2, C3, and C4 to be distributed in the head box 1 are also relatively long, and therefore the support members 2R, 2L, 2M, the stopper device 17, or the cords are also relatively long. The friction of each elevating cord inserted into the outlet 7 or the like may be larger. In particular, in a horizontal blind that is so long in the left-right direction that it is necessary to provide a support member 2T, the length of each elevating cord is also relatively long.

In particular, in the horizontal blind of the present embodiment, a plurality of elevating cords C1, C2, C3, and C4 for moving the slats 3 are guided in the headbox 1, and a plurality of elevating cords C1, C2, C3, and C4 are arranged in the headbox 1 in the left-right direction. An operating device 16 for operating the angle adjustment of the slat 3 between the position of the cord outlet 7 that leads the elevating cords C1, C2, C3, and C4 to the outside of the headbox 1 and the end position of the headbox 1. Are arranged. Further, a support for suspending the elevating cord C1 of the plurality of cords C1, C2, C3, and C4 from the substantially central portion in the front-rear direction in the headbox 1 between the end position of the headbox 1 and the operating device 16. Member 2R is provided.

Therefore, in the horizontal blind of the present embodiment, as shown in FIGS. 2A and 2B, a plurality of lifting cords C1, C2, C3, and C4 for raising and lowering the slats 3 are smoothly moved in the head box 1. Code guidance devices 30A, 30B, 30C, and 30D are provided in order to realize such movement. The shapes of the main bodies of the code guide devices 30A, 30B, 30C, and 30D are the same, and the pulleys 31 are installed at two pulley positions in the front-rear direction according to the functional purpose of the cord guidance devices 30A, 30B, 30C, and 30D. Will be described later). Hereinafter, in order to enhance understanding, the code guide devices 30A, 30B, 30C, from the viewpoint of guiding the movement of the plurality of elevating cords C1, C2, C3, C4 from the code outlet 7 of the headbox 1 to the bottom rail 4. The function of 30D will be described.

The code guide device 30A moves the plurality of elevating cords C1, C2, C3, and C4 from the code outlet 7 in the front-rear direction of the headbox 1 via the pulley 31 installed at the pulley position on the front side (indoor side). It has a function of guiding to a substantially central part.

The code guide device 30B maintains guidance to the substantially central portion for the movement of the plurality of elevating cords C1, C2, C3, and C4 via the pulley 31 installed at the pulley position on the rear side (outdoor side), and elevates and elevates. The cord C1 has a function of turning to the right end side of the head box 1 along the side wall on the outdoor side of the head box 1.

The code guide device 30C passes through the pulley 31 installed at the pulley position on the rear side (outdoor side), is turned by the code guide device 30B, passes through the code guide device 30A, and then goes through the rear of the operation device 16. Regarding the movement of C1, it has a function of turning (inducing) toward the insertion hole 67 provided at the substantially central portion in the front-rear direction at the bottom of the support member 2R. The elevating cord C1 hangs down from the bottom rail 4 through the insertion hole 67 of the support member 2R (see FIG. 1). That is, from the viewpoint on the support member 2R side, the code guide device 30C guides the elevating cord C1 hanging from the substantially central portion of the head box 1 in the front-rear direction by the support member 2R to the rear of the head box 1. It is configured to guide the vehicle to pass behind the operating device 16.

The code guide device 30D passes between two pulleys 31 installed at the pulley positions on both front and rear sides (indoor and outdoor), and is guided to the substantially central portion via the code guide device 30B. The movements of C3 and C4 are concentrated in the substantially central portion, and the elevating cord C2 is guided toward the insertion hole 67 provided in the substantially central portion in the front-rear direction at the bottom of the support member 2L, and the elevating cord C3 , C4 has a function of turning in the direction of each insertion hole 26 provided near both ends in the front-rear direction at the bottom of the support member 2M. The elevating cord C2 hangs down to the bottom rail 4 through the insertion holes 67 of the support member 2L, and the elevating cords C3 and C4 hang down to the bottom rail 4 through the insertion holes 26 of the support member 2M (see FIG. 1). ..

In particular, as shown in the partially enlarged view in FIG. 3, a stopper device 17 is arranged between the code guide devices 30A and 30B, and the headbox 1 can move the plurality of elevating cords C1, C2, C3, and C4. By guiding the device to the substantially central portion in the front-rear direction, the plurality of elevating cords C1, C2, C3, and C4 inserted into the stopper device 17 can be smoothly moved, and the operating performance of the stopper device 17 can be stabilized. Can be done. Further, by installing the stopper device 17 so as to be sandwiched between the cord guide devices 30A and 30B, it is possible to suppress the rattling of the stopper device 17 in the left-right direction.

Further, as shown in the partially enlarged view in FIG. 4, the cord guide device 30D is used to move the lifting cords C2, C3, and C4 from the support member 2L and the support member 2M to the stopper device 17 via the code guide device 30B. From the viewpoint of movement, since the movements of the elevating cords C2, C3, and C4 are concentrated in the substantially central portion in the front-rear direction of the head box 1, the operating performance of the stopper device 17 can be further stabilized. The elevating cords C3 and C4 are turned toward the insertion holes 26 via pulleys 21 provided near both ends in the front-rear direction at the bottom of the support member 2M.

(Code guidance device)
Hereinafter, the details of the code guidance devices 30A, 30B, 30C, and 30D will be described with reference to FIGS. 5 and 6. 5 (a) and 5 (b) are perspective views showing a schematic configuration of a first code guide device (code guide devices 30A, 30B, 30C) in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. It is a figure and a side view. 6 (a) and 6 (b) are perspective views showing a schematic configuration of a second code guide device (code guide device 30D) in a horizontal blind configured as a shielding device according to an embodiment of the present invention, respectively. It is a side view.

First, a schematic configuration of the first code guidance device (code guidance devices 30A, 30B, 30C) will be described with reference to FIG. The main body 30 of the first code guide device is molded of synthetic resin and has a shape that is line-symmetrical with respect to the center of the head box 1 in the front-rear direction, and the substantially upper half of the main body 30 is a space portion in the left-right direction. It is bifurcated in the front-rear direction so as to form 37, and the lower half portion has a pair of leg portions 33 extending downwardly in the left-right direction at both ends in the front-rear direction to form a substantially square box shape. Has been done.

The contact portion 34 formed at the top portion of the main body 30 that projects in a bifurcated manner in the front-rear direction in the substantially upper half portion of the main body 30 hits a rib (not shown) formed on the upper edge of the side side of the head box 1. A pair of leg portions 33 that are in contact with each other and are provided in the front-rear direction are held at the bottom portion (not shown) of the head box 1 so as not to cause rattling in the vertical direction and the front-rear direction. Further, on the bottom surface side of the main body 30, a protrusion 35 extending in the left-right direction is formed so as to engage with a holding hole (not shown) provided at the bottom of the head box 1. It is designed so that there is no rattling in the left-right direction.

Further, the angle adjusting shaft 15 can pass through the space portion 37 formed by the shape of the substantially upper half portion of the main body 30 without contact.

Further, in the substantially lower half of the main body 30, an opening 32 is formed which penetrates in the left-right direction sufficient for inserting the elevating cords C1, C2, C3, and C4, and the opening 32 is formed by the pulley 31. The area is separated. In particular, in the case of the code guide device 30B, as shown in FIG. 5B, among the elevating cords C1, C2, C3 and C4 inserted in the opening 32, the elevating cord C1 can be turned by the pulley 31. (See Fig. 2 (b)). A shaft hole portion 36 for the pulley 31 is formed so that the pulley 31 can be replaced or added in the opening 32.

Further, with reference to FIG. 6, a schematic configuration of the second code guidance device (code guidance device 30D) will be described. The second code guide device has a main body 30 having the same shape as the second code guide device shown in FIG. 5, and the pulleys 31 are provided at two locations in the front-rear direction by using the shaft hole portion 36 shown in FIG. It is installed at the pulley position of. That is, the main body 30 of the code guidance devices 30A, 30B, 30C, and 30D is shared, and the pulleys 31 are provided at two locations in the front-rear direction according to the functional purpose related to the code guidance by using the shaft hole portion 36. It is installed at the pulley position as appropriate.

In the case of the second code guide device (code guide device 30D), the elevating cords C2, C3, and C4 pass between the two pulleys 31 installed at the pulley positions on both the front and rear sides (indoor and outdoor). Since it is inserted, the movements of the elevating cords C2, C3, and C4 can be concentrated in the substantially central portion of the headbox 1 in the front-rear direction.

Therefore, in the horizontal blind of the present embodiment, the cord guide devices 30A, 30B, 30C, and 30D are appropriately installed in the head box 1, so that the elevating cords C1, C2, C3, and C4 are distributed in the head box 1. Even when the length is relatively long, the friction of each elevating cord inserted into the support members 2R, 2L, 2M, the stopper device 17, the cord outlet 7, and the like can be further reduced, and a plurality of elevating cords C1 , C2, C3, and C4 can be smoothly moved in the head box 1. Further, since the main body 30 of the code guidance devices 30A, 30B, 30C, and 30D is shared even when the functional purposes related to the code guidance are different, the cost can be further reduced.

(Cord support device)
Next, the details of the support members 2R, 2L, and 2M will be described with reference to FIGS. 7 and 8. The support member 2M is configured as a first cord support device capable of turning a plurality of elevating cords C3 and C4 distributed in the head box 1 in the hanging direction at positions near both ends in the front-rear direction of the head box 1. Will be done. On the other hand, the support members 2R and 2L have a second support member 2R and 2L capable of turning the elevating cords C1 and C2 distributed in the headbox 1 in the hanging direction at a position substantially central in the front-rear direction of the headbox 1. It is configured as a cord support device.

First, the first cord support device (support member 2M) will be described with reference to FIG. 7. 7 (a), (b), and (c) are a perspective view, a side view, and a plan view showing a schematic configuration of the first cord support device, respectively.

As shown in FIG. 7, the main body 20 of the first cord support device (support member 2M) is molded of synthetic resin, and in the example of the present embodiment, the angle adjusting shaft 15 is located from the center of the head box 1 in the front-rear direction. Since it is arranged slightly rearward, it has a shape that is non-axisymmetric with respect to the center of the headbox 1 in the front-rear direction.

The substantially upper half of the main body 20 is a bifurcated plate in the front-rear direction so as to form a bearing portion 28 for supporting the first tilt drum 51 by mounting from above via a rotary shaft relay support device 52 described in detail later. A pair of plate-shaped pieces 20a are formed in the left-right direction so as to project in a shape, and the substantially lower half portion is formed in a substantially square box shape.

The two contact portions 24 in the front-rear direction formed on the top of the plate-shaped piece 20a in the substantially upper half of the main body 20 are ribs (not shown) formed on the upper edge of the side side of the head box 1. The bottom portion of the main body 20 is held by the bottom portion (not shown) of the head box 1 so as not to cause rattling in the vertical direction and the front-rear direction. Further, on the bottom surface side of the main body 20, a cylindrical protrusion 25 extending in the front-rear direction so as to form insertion holes 26 and 27 is formed in a substantially central portion thereof in the left-right direction, and is provided on the bottom portion of the head box 1. It is designed to engage with the holding hole (not shown), which prevents rattling in the left-right direction.

Further, in the substantially lower half of the main body 20, openings 22 are formed at both ends in the front-rear direction so as to sufficiently penetrate the elevating cords C3 and C4 to be separated and inserted, and the elevating cords C2. An opening 23 is formed so as to be sufficiently penetrated from the elevating cords C3 and C4 so as to be separated from the elevating cords C3 and C4, and the regions are separated.

Further, shaft holes 29a, 29b, 29c, 29d are formed in the wall portion forming the opening 22 in the substantially lower half portion of the main body 20 so that the pulley 21 can be attached and detached from above. For example, as shown in FIG. 7C, the lifting cords C3 and C4 are introduced from the right side of the headbox 1 (from the lower part in the drawing) through the respective openings 22 and hung down below the headbox 1. In this case, the pulleys 21 are installed at two pulley positions in the front-rear direction by using the shaft holes 29a and 29c. On the other hand, the pulleys can be applied to the case where the lifting cords C3 and C4 are introduced from the left side of the headbox 1 (from the upper side in the drawing) through the respective openings 22 and hung down below the headbox 1. Shaft holes 29b and 29d are provided so that the 21 can be installed. When the lifting cords C3 and C4 are turned by the pulley 21, a square hole-shaped insertion hole 26 is formed in the cylindrical protrusion 25 at the bottom of the main body 20 so as to hang down below the head box 1. .. Further, a long hole is provided in the cylindrical protrusion 25 at the bottom of the main body 30 so that the ladder cord 5 suspended by the first tilt drum 51 supported by the bearing portion 28 hangs below the head box 1. The shape of the insertion hole 27 is formed.

As described above, in the first cord support device (support member 2M), each opening 22 is separately provided so that the elevating cords C3 and C4 can be stably turned by the pulley 21, and the elevating cord C2 is provided. Is also provided with an opening 23 that can be inserted separately from the other elevating cords C3 and C4. Therefore, even when the horizontal blind is long in the left-right direction and three or more lifting cords are required, stable insertion performance related to cord guidance can be realized.

On the other hand, FIGS. 8A, 8B, and 8C show a schematic configuration of a support member 2R (2L) configured as a second cord support device applicable to the horizontal blind of the present embodiment. .. 8 (a), (b), and (c) are perspective views, side views, and plan views showing a schematic configuration of the second cord support device, respectively.

As shown in FIG. 8, the main body 60 of the second cord support device (support member 2R or 2L) is molded of synthetic resin, and in the example of the present embodiment, the angle adjusting shaft 15 is in the front-rear direction of the head box 1. Since it is arranged slightly rearward from the center, it has a shape that is non-axisymmetric with respect to the center in the front-rear direction of the head box 1 corresponding to this.

The main body 60 projects left and right in a bifurcated direction in the front-rear direction so as to form a bearing portion 68 for supporting the first tilt drum 51 by mounting from above via the rotary shaft relay support device 52 described in detail later. A pair of plate-shaped pieces 60a are formed so as to extend upward from the bottom of the main body 60 in the direction.

However, the plate-shaped piece 60a of the main body 60 is configured to extend upward from the bottom of the main body 60 in a region of approximately three-quarters in the front-rear direction, and the space portion 62 is provided in the remaining approximately one-quarter of the region. Is forming. Above the space portion 62, an arm portion 60b that bends and extends in a dogleg shape from the front to the upper side from the plate-shaped piece 60a is formed so as to be elastically deformable.

Then, the contact portion 64 formed on each top of the plate-shaped piece 60a and the arm portion 60b with elastic deformation comes into contact with a rib (not shown) formed on the upper edge of the side side of the head box 1 to form a main body. The bottom portion of the 60 is held by the bottom portion (not shown) of the head box 1 so as not to cause rattling in the vertical direction and the front-rear direction. Further, on the bottom surface side of the main body 60, a cylindrical protrusion 65 extending in the front-rear direction so as to form insertion holes 66 and 67 is formed in a substantially central portion thereof in the left-right direction, and is provided on the bottom portion of the head box 1. It is designed to engage with the holding hole (not shown), which prevents rattling in the left-right direction.

Further, in the plate-shaped piece 60a, an opening 63 that sufficiently penetrates the elevating cord C2 (or C1) is formed below the bearing portion 68 at a substantially central portion in the front-rear direction.

Further, at the bottom of the main body 60, shaft hole portions 69a and 69b are formed so that the pulley 61 can be attached and detached from above. For example, as shown in FIG. 8C, a support member 2L that introduces the elevating cord C2 from the right side of the head box 1 (from the lower side in the drawing) through the opening 63 and hangs down the head box 1. In this case, the pulley 61 is installed using the shaft hole portion 69a. On the other hand, in the case of the support member 2R in which the lifting cord C1 is introduced from the left side of the head box 1 (from the upper side in the drawing) through the opening 63 and hung down below the head box 1, the shaft hole portion 69b is used. Then, the pulley 61 is installed. When the lifting cord C2 (or C1) is turned by the pulley 61, a round hole-shaped insertion hole 67 is formed in the cylindrical protrusion 65 at the bottom of the main body 60 so as to hang down below the head box 1. ing. Further, a pair of cylindrical protrusions 65 at the bottom of the main body 60 are provided so as to hang the ladder cord 5 suspended by the first tilt drum 51 supported by the bearing portion 68 below the head box 1. An elongated insertion hole 66 is formed.

The bearing portions 28 and 68 of the first cord support device (support member 2M) and the second cord support device (support member 2R or 2L) are shown in FIGS. 9 (a) and 9 (b), respectively. As shown, the first tilt drum 51 for suspending the rudder cord 5 is mounted by the rotary shaft relay support device 52 for axial relay and can be supported so as to be relatively rotatable. That is, the rotary shaft relay support device 52 and the first tilt drum 51 can be used for the first cord support device (support member 2M) and the second cord support device (support member 2R or 2L), respectively.

Therefore, a plurality of elevating cords C2, C3, and C4 are separated and inserted, and the elevating cords C3 and C4 are inserted.
The first cord support device (support member 2M) configured to rotate downward and penetrate the elevating cord C2 can be used in the second cord support device (support member 2R or 2L). Since the support device 52 and the first tilt drum 51 are configured to be commonly used, the cost can be reduced as a whole.

(Rotating shaft relay support device)
Next, with reference to FIG. 10, the rotary shaft relay support device 52 of the embodiment according to the present invention will be described. FIG. 10 is a perspective view showing a schematic configuration of the rotary shaft relay support device 52 according to the present invention and a state when the rotary shaft relay support device 52 is mounted on the first tilt drum 51.

First, the first tilt drum 51 is formed so that a substantially cylindrical rotating shaft 511 having a diameter smaller than that of the substantially cylindrical main body 510 protrudes from the axis center of the main body 510, and the rotating shaft 511 has a hexagonal rod-shaped angle. A hexagonal hole 512 is formed through which the adjusting shaft 15 is inserted so as not to rotate relative to each other. As a result, the rotation of the angle adjusting shaft 15 is transmitted so as to rotate integrally with the first tilt drum 51. Further, the main body 510 of the first tilt drum 51 is formed with a pair of insertion grooves 513 through which the upper ends of the two ladder cords 5 on which the knot balls are formed are inserted, and the upper ends of the two ladder cords 5 are formed. , It is locked so as not to be easily disengaged by the locking portion 514 communicating with the pair of insertion grooves 513.

The rotary shaft relay support device 52 according to the present invention is configured to be elongated in the axial direction by attaching the rotary shaft 511 of the first tilt drum 51 so as to cover it. More specifically, the rotary shaft relay support device 52 is configured such that a cylindrical relay rotary shaft 521 and a tubular body 522 having different diameters are connected to each other, and the small diameter cylindrical relay rotary shaft 521 has a first A support hole 523 having a slightly larger diameter is formed so as to insert and support the rotation shaft 511 of the tilt drum 51, and the cylindrical body 522 has a slightly larger diameter than the main body 510 of the first tilt drum 51. A recess 524 is formed. In this example, the rotary shaft relay support device 52 is configured to cover the first tilt drum 51 to such an extent that it can rotate relative to the first tilt drum 51. The shape of the first tilt drum 51 can also be applied to any shape as long as it can be relayed so as to be elongated in the axial direction.

Here, the action of covering the rotary shaft 511 of the first tilt drum 51 with the rotary shaft relay support device 52 and relaying the rotation shaft 511 so as to lengthen it in the axial direction will be described with reference to FIG. As described above, FIG. 11A schematically illustrates a rotary shaft relay support device 52 that relays the first tilt drum 51 to the first cord support device (support member 2M) so as to be applicable. ing.

On the other hand, in FIG. 11B, the cord support member 200 in the conventional technique is assigned the same reference number, and its size can be compared with that of the first cord support device (support member 2M), although the size is not strict. It is illustrated schematically in. The cord support member 200 in the conventional technique has substantially the same function as the first cord support device (support member 2M) except that the size thereof is different. That is, in the cord support member 200 in the conventional technique, each opening 22 is provided separately so that a plurality of elevating cords can be stably turned by the pulley 21, and the opening is also provided for another elevating cord. An opening 23 is provided so that the pulley can be inserted separately from the lifting cord through which the 22 is inserted. Since the cord support member 200 in the conventional technique has a shape that is line-symmetrical in the front-rear direction, a pair of shaft hole portions 29a for axially supporting the pulley 21 are provided in the respective openings 22 in the front-rear direction.

The first tilt drum 51 is configured such that its rotating shaft 511 fits into the bearing portion 28 of the cord support member 200 in this conventional technique.

That is, it is not suitable to apply the cord support member 200 in the conventional technique to a thing having a large head box 1 that is long in the left-right direction like the horizontal blind of the present embodiment, that is, some kind of support is provided. Even if it is fixed to the head box 1 of the horizontal blind of the present embodiment by means, the elevating cords C1, C2, C3, and C4 are easily entangled by the arrangement, and the elevating cords C1, C2, C3, and C4 can be moved. Such distributability is impaired. On the other hand, if the cord support member 200 in the conventional technique is simply enlarged, it becomes necessary to newly prepare a tilt drum having a shape different from that of the first tilt drum 51, and the overall cost increases. ..

Therefore, the rotary shaft relay support device 52 is used as a cord support member 200 in the conventional technique with respect to the first cord support device (support member 2M) and the second cord support device (support member 2R or 2L) according to the present invention. By sharing the applicable first tilt drum 51, the overall cost is reduced and the cost is reduced.

Further, as the first cord support device (support member 2M) according to the present invention, as shown in FIG. 12, a second tilt drum 71 having a relatively large diameter as compared with the first tilt drum 51 can be used. It has become. The second tilt drum 71 is used to suspend the ladder cord 5 so as to fit a large slat 3 having a width of, for example, 35 mm or 50 mm. The second tilt drum 71 can also be used for the second cord support device (support member 2R or 2L).

More specifically, the second tilt drum 71 has a main body 710 having an outer shape in which flat surface portions 715 and 716 are formed so as to reduce the diameter in one direction with respect to a cylindrical shape having a predetermined outer diameter. A rotating shaft 711 having a diameter smaller than that of the main body 710 and having a substantially cylindrical shape is formed so as to protrude from the axis center of the main body 710, and the rotating shaft 711 has a hexagonal hole 712 through which a hexagonal rod-shaped angle adjusting shaft 15 is inserted so as not to rotate relative to each other. It is formed. As a result, the rotation of the angle adjusting shaft 15 is transmitted so as to rotate integrally with the second tilt drum 71. Further, the main body 710 of the second tilt drum 71 is formed with an insertion groove 713 through which the upper ends of the two ladder cords 5 on which the knot balls are formed are inserted, and the upper ends of the two ladder cords 5 are the insertion grooves 713. It is locked so as not to be easily disengaged by the locking portion 714 communicating with. The rotary shaft 711 of the second tilt drum 71 has the same diameter as the cylindrical relay rotary shaft 521 of the rotary shaft relay support device 52 described above, and the bearing portion 28 in the first cord support device (support member 2M). It is supported so that it can rotate relative to the relative.

That is, as shown in FIG. 13 (a), the rotary shaft relay support device 52 that responsively relays the first tilt drum 51 to the first cord support device (support member 2M), for example, 25 mm. When the ladder cord 5 is hung so as to fit a small slat 3 having a width such as the above, sufficient light-shielding performance can be obtained when the slat 3 is tilted to the maximum inclination angle. The rotary shaft relay support device 52 can obtain sufficient light-shielding performance even when applied to a slats 3 having a length of 25 mm or more.

On the other hand, as shown in FIG. 13B, by applying the second tilt drum 71 to the first cord support device (support member 2M), a large size having a width of, for example, 35 mm (or 50 mm) can be obtained. When the rudder cord 5 is suspended so as to fit the slats 3, sufficient shading performance can be obtained when the slats 3 are tilted to the maximum tilt angle.

From the opposite point of view, when the second tilt drum 71 is applied to the first cord support device (support member 2M) and the ladder cord 5 is suspended so as to fit the small slats 3 having a width of 25 mm or the like, As can be seen from the illustration of FIG. 13B, since the distance between the ladder cords 5 is large, sufficient light-shielding performance cannot be obtained even if the slats 3 are tilted to the maximum tilt angle.

Therefore, by configuring the rotary shaft relay support device 52 that relays the first tilt drum 51 to the first cord support device (support member 2M) so as to be applicable, the slat 3 can reach the maximum inclination angle regardless of the slat width. Sufficient light-shielding performance can be obtained when the tilt operation is performed, and the first tilt drum 51 can be shared as described above, so that the cost can be reduced.

Although the present invention has been described above with reference to examples of specific embodiments, the present invention is not limited to the examples of the above-described embodiments, and various modifications can be made without departing from the technical idea. For example, in the example of the above-described embodiment, as shown in FIGS. 5 and 6, the code guide devices 30A, 30B, 30C and the code guide device 30D are distinguished from each other by the number of pulleys 31 and installed in the head box 1. An example has been described, but when the cost can be reduced by the effect of reducing the management load rather than the cost by the number of pulleys 31, the above-mentioned code guide device 30A is used only by the code guide device 30D having two pulleys 31. , 30B, 30C may be arranged.

In the example of the above-described embodiment, an example in which a protrusion 35 is provided on the bottom surface in order to fix the code guide devices 30A, 30B, 30C, and 30D in the head box 1 has been described. The bottom surface of the cord guide devices 30A, 30B, 30C, and 30D may be made substantially flat so as to be fixed by using a fixing material such as double-sided tape. As a result, it is not always necessary to provide a holding hole that engages with the protrusion 35 in the head box 1 having various lengths in the left-right direction, and the degree of freedom of installation is increased.

Further, in the example of the above-described embodiment, an example in which the code guide device 30D is configured by using two pulleys 31 as shown in FIG. 6 has been described, but as shown in FIGS. 14 (a) and 14 (b), for example. A code guide device 30D having a curved upright wall 31a instead of the pulley 31 is configured, and only the code guide device 30D having the two upright walls 31a is used to guide the code guide devices 30A and 30B. , 30C may be arranged. In this case, it is preferable to cover the upright wall 31a with a metal plate so as to prevent the elevating cord and the upright wall 31a from being damaged by the influence of friction. Further, the pulley 31 and the upright wall 31a may be combined.

Further, in the example of the above-described embodiment, as shown in FIG. 7, an example in which the first cord support device (support member 2M) is configured so as to have a shape that is non-axisymmetric with respect to the center in the front-rear direction of the head box 1. However, for example, as shown in FIGS. 15A, 15B, and 15C, when the angle adjusting shaft 15 is located at the center of the headbox 1 in the front-rear direction, the headbox 1 is in the front-rear direction. The shape may be line-symmetrical with respect to the center.

Further, in the example of the above-described embodiment, an example in which the stopper device 17 is placed so as to be sandwiched between the code guide devices 30A and 30B as shown in FIG. 2A has been described. When the stopper device 17 is provided in the vicinity of the code lead-out port 7, the code guide device 30E having the same configuration as the code guide device 30D may be placed so as to have the functions of the code guide devices 30A and 30B. .. Further, the cord guide device 30A, 30B, 30C, 30D, 30E may be configured by using a metal material instead of forming the main body thereof with a synthetic resin.

According to the present invention, according to the present invention, it is possible to improve the guidance performance of a cord such as an elevating cord and to reduce the cost of the cord support device, which is useful for various shielding devices.

1 Headbox 2L, 2M, 2R Support member (cord support device)
2T Support member 3 Slat 4 Bottom rail 5 Ladder code 7 Code outlet 10 Operation code 13 Tilt operation code 15 Angle adjustment shaft 16 Operation device 17 Stopper device 30A, 30B, 30C, 30D, 30E Code guidance device 51 First tilt drum 52 Rotating shaft relay support device 71 Second tilt drum C1, C2, C3, C4 Lifting cord

Claims (5)

A code guide device that guides a plurality of cords for moving the shielding material inside the housing.
Between the code outlet for deriving the plurality of cords to the outside of the housing and the cord support device capable of turning at least one of the plurality of cords from the housing in the hanging direction. As an independent member, it is commonly used for the turning, guiding, and aggregating functions in order to guide at least one of the plurality of cords so that it can be turned, guided, or aggregated in the housing. Has a body,
At least one pulley or upright wall can be installed on the main body depending on the functional purpose of turning, guiding, and aggregating.
Sufficient openings are formed in the body to allow the plurality of cords to be inserted.
When one of the pulleys or an upright wall is installed in the opening, at least one of the plurality of cords is rotated in the opening through the one pulley or the upright wall to guide another cord. It shall have a function
When two pulleys or upright walls are installed in the opening, it has a function of penetrating between the two pulleys or upright walls and aggregating at least one of the plurality of cords in the opening. And
A code guidance device characterized in that the functions of turning, guiding, and aggregating can be changed depending on the presence and number of pulleys or upright walls. The code guidance device according to claim 1, further comprising at least one or more pulleys so that the at least one cord can be turned, guided or aggregated in the housing. The code guidance device according to claim 1 or 2, wherein the code guide device has at least one or more upright walls so that the at least one code can be turned, guided, or aggregated in the housing. The code guidance device according to claim 3, wherein the upright wall is covered with a metal plate. A shielding device including the code guidance device according to any one of claims 1 to 4.

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