JP2002332785A - Solar radiation shielding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar radiation shielding device easily manufactured while allowing the close arrangement of elevating cords for elevating an intermediate rail and a bottom rail. SOLUTION: In this solar radiation shielding device, the bottom rail is suspended and supported from a head box through the first elevating cord, and the intermediate rail 3 is suspended and supported from the head box through the second elevating cord. An upper shielding material is disposed between the head box and the intermediate rail 3, and a lower shielding material is disposed between the intermediate rail 3 and the bottom rail. The bottom rail can be elevated by operating the first elevating cord 6, and the intermediate rail can be elevated by operating the second elevating cord 12. A cord receiver 20 that can insert through the first elevating cord 6 and fasten the second elevating cord 12 is fitted to the intermediate rail 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar shading device that suspends and supports an intermediate rail and a bottom rail from a head box and raises and lowers the intermediate rail or the bottom rail so that the solar shading material can be raised and lowered. It is.

[0002]

2. Description of the Related Art There is the following type of pleated curtain. An upper screen capable of being bent in a zigzag shape is suspended from the head box, and an intermediate rail is attached to a lower end of the upper screen.

A lower screen which can be bent in a zigzag manner from the intermediate rail is suspended and supported, and a bottom rail is attached to a lower end of the lower screen. The bottom rail is suspended and supported by a first elevating cord suspended from the head box, and an upper end of the first elevating cord is wound around a winding shaft rotatably supported in the head box. .

[0004] The winding shaft is driven to rotate by operating an operation chain suspended at one end of the head box. Therefore, the bottom rail can be moved up and down by operating the operation chain.

[0005] The intermediate rail is suspended and supported by a second elevating cord suspended from the head box, and the second elevating cord is guided inside the head box at one end thereof, and is moved out of the head box via a stopper device. Be drooped.

The intermediate rail can be pulled up by pulling out the second lifting / lowering cord from the head box. By pulling the second lifting / lowering cord into the head box based on the weight of the intermediate rail, the intermediate rail can be lifted. Lowering operation is possible.

[0007]

In the pleated curtain as described above, the first lifting cord is inserted into the first insertion hole formed in the intermediate rail, and the second lifting cord is formed on the intermediate rail. The second insertion hole is locked by a knot or the like.

[0008] The intermediate rail is formed of an extruded aluminum member, and the first and second through holes are formed by post-processing. In such a configuration, when the first and second lifting / lowering cords are inserted through the common insertion hole of the upper screen and droop in a close state, the first and second insertion holes are brought close to the intermediate rail. Must be formed.

[0009] Therefore, in order to form the first and second insertion holes, processing accuracy is required, so that the operation is complicated. Also, if the first and second lifting cords are inserted into the upper screen in a separated state, processing accuracy is not required to form the first and second insertion holes,
There is a problem that the appearance of the upper screen through which the first and second lifting cords are inserted is deteriorated.

It is an object of the present invention to provide a solar shading device which can be easily manufactured while a lifting cord for raising and lowering an intermediate rail and a bottom rail can be arranged close to each other.

[0011]

According to the present invention, a bottom rail is suspended from a head box via a first lifting cord, and an intermediate rail is suspended from the head box via a second lifting cord. Supporting, arranging an upper shielding material between the head box and the intermediate rail, arranging a lower shielding material between the intermediate rail and the bottom rail, and operating the first lifting cord In the solar shading device in which the bottom rail can be moved up and down and the second lifting cord is operated, the intermediate rail can be moved up and down. A cord receiver capable of hooking the cord was attached to the intermediate rail.

According to a second aspect, the cord receiver is formed of a synthetic resin. According to claim 3, the cord receiver includes a locking piece that engages with a mounting hole of the intermediate rail.

According to a fourth aspect of the present invention, the cord receiver includes a flange portion which comes into contact with a periphery of the mounting hole of the intermediate rail and receives a load of the intermediate rail. In claim 5, the code receiver includes a first insertion hole through which the first lifting code is inserted,
A second insertion hole for inserting the second lifting cord is provided independently.

According to a sixth aspect, the first and second insertion holes are provided in the front-rear direction of the intermediate rail.

[0015]

FIG. 1 shows an embodiment of a pleated curtain embodying the present invention. An upper screen 2 is suspended from the head box 1, and an intermediate rail 3 is attached to a lower end of the upper screen 2.

A lower screen 4 is suspended from the intermediate rail 3, and a bottom rail 5 is attached to a lower end of the lower screen 4. The bottom rail 5 is provided with two first lifting cords 6 suspended from the head box 1.
The upper end of the first lifting cord 6 is wound around winding pipes 7a and 7b rotatably supported in the head box 1.

A drive shaft 8 is fitted in the center of the winding pipes 7a and 7b, and the drive shaft 8 is driven to rotate by operating an operation chain 9 which is hung from the right end of the head box 1. You.

Accordingly, the operation of the operation chain 9 rotates the winding pipes 7a and 7b via the drive shaft 8, and the first lifting cord 6 is spirally wound on the winding pipes 7a and 7b. Then, the bottom rail 5 is moved up and down.

At the left end of the drive shaft 8, a speed adjusting device 1
0 and a stopper unit 11 are attached. The speed adjusting device 10 controls the rotation speed of the drive shaft 8 to be equal to or less than a predetermined value and sets the elevating speed of the bottom rail 5 to be equal to or less than a predetermined value. Further, when the bottom rail 5 and the middle rail 3 are integrally lowered while the middle rail 3 is supported on the bottom rail 5, the lower rail 5 operates so as to suppress the lowering speed to a predetermined value or less.

The stopper unit 11 prevents the weight of the bottom rail 5 from dropping. When the intermediate rail 3 is supported on the bottom rail 5, the weight of the bottom rail 5 and the intermediate rail 3 is reduced. Act to prevent.

The intermediate rail 3 is suspended from one end of two second lifting cords 12 suspended from the head box 1, and the other end of the second lifting cord 12 is connected to the inside of the head box 1. The head box 1 is suspended from the right end through a cord stopper 13 and an operation cord 15 is connected via a cord equalizer 14.

When the second elevating cord 12 is pulled out of the head box 1 by operating the operation cord 15, the intermediate rail 3 is raised, and the second elevating cord 12 is moved by utilizing the weight of the intermediate rail 3. When the intermediate rail 3 is lowered into the head box 1, the intermediate rail 3 is lowered.

The code stopper 13 is provided for the operation code 1
5 prevents the intermediate rail 3 from descending under its own weight when it is not operated.
The first and second elevating cords 6 and 12 are inserted through a common insertion hole formed in the upper screen 2.

The first and second lifting cords 6 and 12 are inserted through the intermediate rail 3. The specific configuration will be described with reference to FIGS. 2 to 4.
6 and the rear piece 17 are connected by a connecting piece 18.

As shown in FIG. 4, the connection piece 18
An attachment hole 19 is formed, and the cord receiving 2 is inserted into the attachment hole 19.
0 is fitted. The cord receiver 20 is formed of a synthetic resin, and has a flange portion 22 formed below a fitting portion 21 that can be inserted into the mounting hole 19.

A recess 23 is formed on both sides of the mounting hole 19 in the longitudinal direction of the intermediate rail 3, and a locking piece 24 is formed at a position corresponding to the recess 23 of the flange 22. The tip of the locking piece 24 is formed in an arrowhead shape.

When the fitting portion 21 of the cord receiver 20 is fitted into the mounting hole 19 from below the connecting piece 18, the distal end of the locking piece 24 engages with the concave portion 23, and Falling off is prevented.

At this time, the flange 22 comes into contact with the periphery of the mounting hole 19 to prevent the cord receiver 20 from being pulled out upward. A first insertion hole 25 for inserting the first elevating cord 6 and a second insertion hole for engaging the second elevating cord 12 are formed in the fitting portion 21 of the cord receiver 20. 26 are formed independently.

The first and second insertion holes 25 and 26 are
The second insertion hole 26 is formed in the front-rear direction of the intermediate rail 3.
As shown in FIG. 2, the lower part of the second cord 12 is capable of accommodating a knot 27 formed at the lower end of the second elevating cord 12.

An upper cover 28 and a lower cover 29 are fitted to the upper and lower portions of the intermediate rail 3 over the entire length thereof, and the upper cover 28 is provided with a through hole for inserting the first and second lifting cords 6 and 12. A hole 30 is formed, and a through hole 31 through which the first lifting cord 6 is inserted is formed in the lower lid 29.

The first lifting cord 6 has a through hole 30,
The first elevating cord 12 is inserted through the first insertion hole 25 and the through hole 31, and the second lifting cord 12 is inserted into the through hole 30 and the second insertion hole 26,
The intermediate rail 3 is suspended and supported by the knot 27 via the cord receiver 20.

In the pleated curtain constructed as described above, when the operation chain 9 is operated, the first lifting / lowering cord 6 is wound on the winding pipes 7a, 7b or from the winding pipes 7a, 7b. After being rewound, the bottom rail 5 is raised and lowered.

Therefore, the lower screen 4 is expanded and contracted based on the elevation of the bottom rail 5. Also, the bottom rail 5
When the bottom rail 5 is further pulled up after lifting the bottom rail 5 to the suspension position of the intermediate rail 3, the intermediate rail 3 is lifted by the bottom rail 5, and the upper screen 2 is folded toward the head box 1.

When the bottom rail 5 is lowered while the intermediate rail 3 is supported on the bottom rail 5, the intermediate rail 3 is lowered while supported on the bottom rail 5, and the upper screen 2 is moved downward. Stretched.

When the operation cord 15 is operated to pull out the second lifting cord 12 from the head box 1, the intermediate rail 3 is pulled up, the upper screen 2 is folded upward, and the weight of the intermediate rail 3 is increased. When the second elevating cord 12 is pulled into the head box 1 based on the above, the intermediate rail 3 is lowered and the upper screen 2 is extended downward.

With the pleated curtain configured as described above, the following operational effects can be obtained. (1) Since the first and second through-holes 25 and 26 are formed in the cord receiver 20 formed of a synthetic resin, it is easy to form the first and second through-holes 25 and 26 in close proximity. is there. Therefore, since the first and second lifting cords 6, 12 can be hung in a state of being close to each other, the appearance can be improved. (2) The cord receiver 20 can be easily fitted and fixed to the intermediate rail 3. Therefore, the pleated curtain can be easily assembled. (3) Since the first and second insertion holes 25 and 26 are formed independently, it is possible to prevent the first and second lifting cords 6 and 12 from being entangled. (4) The cord receiver 20 can be easily attached to the mounting hole 19 by the locking piece 24. Further, since the load of the intermediate rail 3 is received by the flange portion 22, the intermediate rail 3 can be reliably suspended and supported by the second elevating cord 12. (5) The first and second insertion holes 25 and 26 are
, The first and second elevating cords 6, 12 appear to be substantially overlapped from the indoor side. Therefore, the beauty of the upper screen 2 can be improved.

The above embodiment can be modified as follows. The second insertion hole 26 is provided with a slit that opens to the side of the cord receiver 20, and the second lifting cord 12 is inserted into the second insertion hole 26 through the slit, and the knot 27 is connected to the second insertion hole 26. May be inserted into the enlarged diameter portion of the insertion hole 26. The second lifting cord 12 may be locked to the second insertion hole 26 by a caulking tool instead of the knot 27. The configuration of the intermediate rail 3 can be applied to a horizontal blind in which the upper screen 2 and the lower screen 4 are replaced with a multi-stage slat supported by a ladder cord.

[0038]

As described above in detail, the present invention can provide an insolation shielding device which can be easily manufactured while the lifting cords for lifting and lowering the intermediate rail and the bottom rail can be arranged close to each other. .

[Brief description of the drawings]

FIG. 1 is a front view showing a pleated curtain according to an embodiment.

FIG. 2 is a sectional view showing an intermediate rail.

FIG. 3 is a perspective view showing a cord receiver.

FIG. 4 is a bottom view showing the intermediate rail.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Head box 2 Upper shielding material (upper screen) 3 Intermediate rail 4 Lower shielding material (lower screen) 5 Bottom rail 6 First lifting code 12 Second lifting code 20 Code receiving

Claims (6)

[Claims] A bottom rail suspended from a head box via a first lifting cord; an intermediate rail suspended from the head box via a second lifting cord; and the head box and the intermediate rail. Arrange the upper shielding material between, and arrange the lower shielding material between the intermediate rail and the bottom rail, by operating the first lifting code, the bottom rail can be raised and lowered, In the solar shading device in which the intermediate rail can be moved up and down by operating the second lifting code, a code receiver that allows the first lifting code to be inserted and allows the second lifting code to be hooked. Is attached to the intermediate rail. 2. The solar shading device according to claim 1, wherein the cord receiver is formed of a synthetic resin. 3. The solar shading device according to claim 1, wherein the cord receiver includes a locking piece that engages with a mounting hole of the intermediate rail. 4. The solar radiation according to claim 1, wherein the cord receiver has a flange portion which comes into contact with a periphery of a mounting hole of the intermediate rail and receives a load of the intermediate rail. Shielding device. 5. The cord receiving device according to claim 1, wherein a first insertion hole for inserting the first lifting code and a second insertion hole for inserting the second lifting code are provided independently. The solar shading device according to any one of claims 1 to 4, wherein 6. The solar shading device according to claim 5, wherein the first and second insertion holes are provided in a front-rear direction of the intermediate rail.