JP2002364269A - Shielding material elevating device for solar shading device - Google Patents

Abstract

(57) [Object] To provide a shielding material lifting / lowering device for a solar radiation shielding device which can surely prevent exposure of a lifting / lowering cord from an upper shielding material when an intermediate rail is pushed up by a bottom rail. A first lifting cord is provided from a head box.
, The intermediate rail 3 is suspended from the head box 1 via the second lifting cord 12, and the upper shielding member 2 is interposed between the head box 1 and the intermediate rail 3. The lower rail 4 is disposed between the intermediate rail 3 and the bottom rail 5, and the first lifting cord 6 is operated so that the bottom rail 5 can be raised and lowered. In the solar shading apparatus in which the intermediate rail 3 can be raised and lowered by operating the second lifting cord 12, the second lifting cord 12 is located on the back side of the upper shielding material 2.

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 which 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 The following is one 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 from the headbox, and is suspended and supported by a first lifting cord inserted through the upper screen, the intermediate rail, and the lower screen, and the upper end of the first lifting cord rotates in the headbox. It is wound on a take-up shaft that is supported as possible.

[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 from a head box and suspended and supported by a second lifting / lowering cord inserted into the upper screen. Through the device, it is hung outside the headbox.

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 constructed as described above, the bottom rail is pulled up,
By pushing up the intermediate rail by the bottom rail, when the upper screen is folded toward the head box, the second lifting cord inserted through the upper screen is loosened.

[0008] Then, the loosened second lifting cord is exposed from the folded upper screen, and the aesthetic appearance is impaired. Further, when the intermediate rail is lowered from this state to expand the upper screen, the loosened second lifting cord may be caught in the insertion hole of the upper screen, which may hinder the lowering operation.

Therefore, Japanese Patent No. 3064233 discloses a configuration in which the second lifting / lowering cord is tensioned by a weight to prevent the second lifting / lowering cord from being loosened during the folding operation of the upper screen due to the lifting operation of the bottom rail. Have been.

However, in such a configuration, in order to smoothly lower the intermediate rail when lowering the upper screen, it is necessary to make the weight of the intermediate rail heavier than the weight. Therefore, it is necessary to secure a weight corresponding to the weight of the weight on the intermediate rail in advance, and after installing the pleated curtain, attach the weight to the second lifting / lowering cord, and increase the weight of the intermediate rail. It is difficult to prevent the lifting cord from being loosened.

An object of the present invention is to provide a shielding member lifting / lowering device for a solar radiation shielding device which can surely prevent exposure of a lifting / lowering cord from an upper shielding member when an intermediate rail is pushed up by a bottom rail.

[0012]

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 raised and lowered and the second lifting code is operated, the intermediate rail can be raised and lowered, wherein the second lifting code is provided on the back side of the upper shielding material. Was positioned.

In the second aspect, the intermediate rail is located on the rear side of the upper shielding material and the lower shielding material, and the second lifting / lowering cord is suspended from the head box on the rear side of the upper shielding material. The intermediate rail was suspended and supported.

According to a third aspect of the present invention, the upper shielding member is constituted by an upper screen which can be bent in a zigzag manner in a vertical direction, and a pitch holding cord is hung from the head box on a back side of the upper screen. The second lifting cord was inserted through the loop of the pitch holding cord.

According to a fourth aspect of the present invention, the upper shielding member is constituted by an upper screen which can be bent in a zigzag manner in a vertical direction, and the second elevating cord projects rearward from a bent portion of the upper screen. Inserted through the piece.

According to a fifth aspect of the present invention, the bottom rail can be lifted by winding the first lifting cord with a winding pipe rotatably supported in the head box, and the second lifting cord is connected to the second lifting cord. The intermediate rail can be pulled up by pulling it out from one side of the head box.

[0017]

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 suspended from the head box 1 and is suspended and supported by two first lifting / lowering cords 6 inserted through the upper screen, the intermediate rail 3 and the lower screen 4. The upper end of the cord 6 is wound around winding pipes 7a and 7b rotatably supported in the head box 1.

A drive shaft 8 is fitted into the center of the winding pipes 7a and 7b, and the drive shaft 8 is driven to rotate by operating an operation chain 9 hanging down 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 or wound on the winding pipes 7a and 7b. Then, the bottom rail 5 is moved up and down.

The right end of the drive shaft 8 has 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. Also, when the bottom rail 5 and the middle rail 3 are lowered integrally with the middle rail 3 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. The other end of the second elevating cord 12 is suspended from the left end of the head box 1 via a cord stopper 13 in the head box 1 and forms a part of the second elevating cord 12 via a cord equalizer 14. Operation code 15 is connected.

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 lifted, and the weight of the intermediate rail 3 is used to remove the second lifting cord 12 from the head box 1. When the intermediate rail 3 is lowered into the head box 1, the intermediate rail 3 is lowered.

The code stopper 13 is used for the operation code 1
5 prevents the intermediate rail 3 from lowering its own weight.
As shown in FIG. 2, the intermediate rail 3 is located on the rear side of the upper screen 2 and the lower screen 4, that is, on the window side, and the lower end of the upper screen 2 and the lower screen 4.
Are connected at the upper end.

The second lifting cord 12 is located on the back side of the upper screen 2 and is not exposed in the field of view from the indoor side. The head box 1 and the intermediate rail 3
A pitch holding cord 16 is provided between the intermediate rail 3 and the bottom rail 5 so as to hold the maximum pitch of each fold of the upper screen 2 and the lower screen 4 at a predetermined interval or less.

The second lifting cord 12 is inserted into each loop 16 a of the pitch holding cord 16. Now, in the pleated curtain configured as described above, when the operation chain 9 is operated, the first lifting / lowering cord 6 is wound on the winding pipes 7a and 7b or unwound from the winding pipes 7a and 7b. Then, 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 being 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, and the upper screen 2 is folded upward. If the second lifting cord 12 is pulled into the head box 1 based on the weight of the intermediate rail 3, the intermediate rail 3 is lowered and the upper screen 2 is extended downward.

With the upper screen 2 stretched, the operating chain 9 is operated to pull up the bottom rail 5 to collapse the lower screen 4, and then the bottom rail 5 is further pulled up, as shown in FIG. The intermediate rail 3 is pushed up, and the upper screen 2 is folded.

At this time, the second lifting cord 12 is loosened between the head box 1 and the intermediate rail 3, but is located on the back side of the upper screen 2 and is not exposed to the indoor side.

With the pleated curtain configured as described above, the following operational effects can be obtained. (1) When the intermediate rail 3 is pushed up by the bottom rail 5 to fold the upper screen 2, the second lifting cord 12 is loosened between the head box 1 and the intermediate rail 3, but is not exposed to the indoor side. Can be improved. (2) The upper screen 2 and the lower screen 4 can be moved up and down by moving up and down the bottom rail 5 irrespective of the suspension position of the intermediate rail 3. (3) Since the second lifting / lowering cord 12 is inserted into the loop 16a of the pitch holding cord 16, even if the second lifting / lowering cord 12 is loosened, it does not hang down below the intermediate rail 3 and the bottom rail 5.

The above embodiment can be modified as follows. As shown in FIG. 4, the second lifting cord 12 does not have to be inserted through the loop of the pitch holding cord. In this case, when the intermediate rail 3 is pushed up by the bottom rail 5 and the upper screen 2 is folded, the second lifting cord 12 hangs down on the back side of the upper and lower screens 2 and 4. As shown in FIG. 5, in the upper screen 2, each of the bent portions protruding toward the window may be provided with a projecting piece 17, and the second elevating cord 12 may be inserted through the projecting piece 17. With such a configuration, it is possible to prevent the second lifting cord 12 from hanging down when the intermediate rail 3 is pushed up by the bottom rail 5. -The above embodiment can also be applied to a horizontal blind in which a large number of slats are suspended and supported between the head box and the intermediate rail and between the intermediate rail and the bottom rail. -The above embodiment can also be applied to a lift-up curtain in which a curtain material is suspended and supported between the head box and the intermediate rail and between the intermediate rail and the bottom rail.

[0035]

As described above in detail, the present invention provides a shielding material lifting / lowering device for a solar radiation shielding device capable of reliably preventing the lifting / lowering cord from being exposed from the upper shielding material when the intermediate rail is pushed up by the bottom rail. be able to.

[Brief description of the drawings]

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

FIG. 2 is a side view showing a pleated curtain according to one embodiment.

FIG. 3 is a side view showing the operation of the pleated curtain.

FIG. 4 is a side view showing another example.

FIG. 5 is a side view showing another example.

[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

Claims (5)

[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 elevating cord, the second elevating cord is located on the back side of the upper shielding material. Shielding material elevating device of shielding device. 2. The intermediate rail is located on the back side of the upper and lower shielding members, and the second lifting cord is suspended from the head box on the rear side of the upper shielding member. 2. The device for raising and lowering a shielding material of a solar shading device according to claim 1, wherein the rail is suspended and supported. 3. The upper shielding material is constituted by an upper screen that can be bent in a zigzag manner in a vertical direction, and a pitch holding cord is suspended from the head box on a back side of the upper screen, The shielding material lifting device of the solar shading device according to claim 1, wherein the lifting code is inserted through a loop of the pitch holding code. 4. The upper shielding material is constituted by an upper screen which can be bent in a zigzag manner in a vertical direction, and the second elevating cord is inserted into a projecting piece projecting rearward from a bent portion of the upper screen. The shielding material lifting / lowering device for a solar radiation shielding device according to claim 1, wherein 5. The bottom rail can be lifted by winding up the first elevating cord with a winding pipe rotatably supported in the head box, and the second elevating cord is connected to the head box by the head box. The shielding member lifting / lowering device for a solar radiation shielding device according to any one of claims 1 to 4, wherein the intermediate rail can be pulled up by being pulled out from the side.