JP2994552B2 - Pleated curtain - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pleated curtain which can adjust lighting by elongating or lowering a fold-like cloth made of cloth or the like by stretching it downward or folding it upward.

[0002]

2. Description of the Related Art Conventionally, there is the following type of pleated curtain. A curtain fabric in which a large number of cylindrical portions having a rhombic cross section are vertically connected from the head box is suspended and supported, and a bottom rail is connected to a lower end of the curtain fabric. A lifting cord is inserted through the curtain fabric,
The upper end of the elevating cord is supported by an elevating device disposed in the headbox, and the lower end is supported by a bottom rail.

[0003] An operation code is hung from the operation device provided at one end of the head box toward the indoor side, and by operating the operation code, the elevating device can be driven to wind up or rewind the elevating code. Has become.

Accordingly, the curtain fabric can be raised and lowered by raising and lowering the bottom rail based on the operation of the lifting cord.

[0005]

In the pleated curtain as described above, if the head box is attached to a window frame or the like so that the front and back of the curtain fabric are reversed, the operation code hangs down toward the outside of the room. Lifting operation is difficult. In such a case, it is necessary to remove the operating device from the headbox and reassemble so that the lifting cord is hung down toward the room.

[0006] Therefore, even in a pleat curtain of a double-sided type, in which both the front and back surfaces of the curtain fabric can be suspended inside the room, it is easy to replace the front and back of the curtain fabric and suspend it. is not.

Further, when the position of the operating device with respect to the head box is changed from one side to the other side, if the head box is mounted on a window frame or the like so that the front and back of the head box are reversed, the operation cord is similarly directed to the outdoor side. Drooped. Therefore, it is necessary to reassemble the operation device, and the operation becomes complicated.

An object of the present invention is to provide a pleated curtain capable of easily changing a drawing direction of an operation code from an operation device and easily changing front and back of a curtain fabric and a position of an operation device with respect to a head box. It is in.

[0009]

According to the present invention, in order to achieve the above object, a guide member provided with an opening for guiding an operation code is provided in a case of an operation device for hanging an operation code in a longitudinal direction of the cloth. A fixing device that is rotatably supported and is fixed to the guide member and the case so that the opening is positioned toward either the front or the rear of the fabric.

The fixing device is provided on the case so as to be fixed to the guide member so as to be symmetrical with respect to the center of rotation of the guide member. And mounting holes.

[0011]

When the mounting direction of the head box is changed so as to change the front and back sides of the cloth, the operation code is drooped forward by changing the opening direction of the opening.

Further, when the guide member is rotated with respect to the case and the mounting piece is fixed to another mounting hole with a screw, the opening direction of the opening is changed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pleated curtain embodying the present invention will be described below. As shown in FIGS. 1 and 2, the head box 1 is fixed to a window frame 3 or the like via a mounting bracket 2, and a cloth 4 is suspended from the head box 1. The fabric 4 is formed so as to be foldable in the vertical direction. When the fabric 4 is stretched as shown in FIG. 2, a large number of tubular portions 5 having a rhombic cross section are connected vertically.

The fabric 4 is formed by sewing every other fold of two zigzag fabrics in the vertical direction along the same fold. The dough 4 is 2
It can also be formed by bonding or welding two pieces of cloth in the same manner. Further, the cloth 4 having the above shape can be formed by knitting or weaving a yarn.

As shown in FIG. 2, a plurality of lifting / lowering cords 6 are passed through the center of the cloth 4 in the width direction of the cloth 4, respectively. The upper end of the elevating cord 6 is suspended from and supported by an elevating device (not shown) provided in the head box 1, and a bottom rail 7 made of, for example, an aluminum mold material is suspended from the lower end of the elevating cord 6. Supported below. The lower end of the cloth 4 is connected to a bottom rail 7.

An operation device 8 is provided on one side of the head box 1, and an operation code 9 is drooped from the operation device 8, and based on the operation of the operation code 9, the elevation code 6 is passed through the elevation device. Can be wound up or rewound. Therefore, the bottom rail 7 is moved up and down based on the operation of the operation code 9, and the fabric 4 is moved up and down based on the movement of the bottom rail 7.

The structure of the operating device 8 will be described with reference to FIGS. 3 and 4. The operating case 10 is made of synthetic resin.
Is formed in a plate shape that covers the side of the head box 1, and a tubular portion 11 is integrally formed at a central portion thereof. And, by the mounting hole 10b provided in the operation case 10,
The operation case 10 is fixed to the head box 1 with screws. The operation case 10 is the head box 1
Are formed symmetrically in the front-rear direction.

An operation gear 12 is provided in the cylindrical portion 11, and a pulley 13 is fitted on an input shaft protruding out of the cylindrical portion 11. The operation code 9 is mounted on the pulley 13.

The operation gear 12 is constituted by a planetary gear mechanism for reducing the rotation of the input shaft and transmitting the rotation to the output shaft 14, and the drive shaft 15 is fitted to the output shaft 14. A brake case 16 formed of a synthetic resin in a cylindrical shape is disposed around the drive shaft 15, and the brake case 16 is fixed to the operation case 10.

A cylinder-shaped brake collar 16a made of metal is fitted on the inner peripheral surface of the brake case 16.
A brake spring 17 composed of a torsion coil spring is fitted on the inner peripheral surface of the brake collar 16a, and a driven shaft 18 whose tip projects outside the brake case 16 is rotatably supported on the brake case 16. Have been. A base end of an elevating shaft 19 is fitted to the driven shaft 18.

When the pulley 13 is rotated, the output shaft 14 of the operation gear 12 is rotated, and the drive shaft 15 is rotated.
Is rotated. When the drive shaft 15 rotates, the friction between the brake spring 17 and the inner peripheral surface of the brake case 16 decreases, and the driven shaft 1 is integrated with the brake spring 17.
8 is rotated, and the elevating shaft 19 is rotated. When the elevating shaft 19 is rotated, the elevating device lifts or rewinds the elevating cord 6.

When the driven shaft 18 tries to rotate based on the torque acting on the lifting shaft 19 via the lifting device due to the weight of the bottom rail 7 and the cloth 4, the distance between the brake spring 17 and the inner peripheral surface of the brake case 16 is increased. Friction increases. Then, the rotation of the driven shaft 18 is prevented by the brake spring 17 which is pressed against the inner peripheral surface of the brake case 16 and cannot rotate. Therefore, the brake spring 1
The brake case 7 and the brake case 16 operate as a self-weight drop prevention device for preventing the bottom rail 7 from falling due to its own weight.

The operation case 10 has a pulley base 2
0 is fixed by a screw 21. The pulley base 20 is formed in a bottomed cylindrical shape that covers the periphery of the pulley 13, and mounting pieces 22 are formed at two locations above and below the bottom, and through holes 23 are formed in the mounting pieces 22, respectively.

At the tip of the cylindrical portion 11 of the operation case 10, two split grooves 24 are formed at upper and lower positions, and a locking piece 25 is formed between the split grooves 24. The locking piece 25
A locking claw 26 projecting in the outer peripheral direction of the cylindrical portion 11
Are formed.

At the bottom of the pulley base 20, there is formed a circular hole 27 into which the cylindrical portion 11 can be fitted. When the circular hole 27 is pressed against the cylindrical portion 11,
When the locking piece 25 bends inward and the locking claw 26 gets over the circular hole 27, the locking claw 26 is engaged with the inside of the circular hole 27 as shown in FIG. In this state,
The pulley base 20 is rotatably supported by the cylindrical portion 11. The pulley base 20 is screwed into the mounting hole 10 a of the operation case 10 with the screw 21 inserted into the through hole 23.

An opening 28 is formed on one side of the peripheral surface of the pulley base 20. The operation cord 9 mounted on the pulley 13 in the pulley base 20 is guided to the outside of the pulley base 20 from the opening 28. Therefore, the pulley base 20 acts as a guide member for the operation cord 9.

A pulley cover 29 is fitted into an opening on the tip side of the pulley base 20. That is, one of the pulley covers 29 is formed in an arc shape and the other is formed in a rectangular plate shape so as to cover the distal end side of the pulley base 20, and the locking projections 3 provided at three places around one side surface thereof.
0 is the locking hole 3 provided at the tip of the pulley base 20
1 is fitted.

In the pleated curtain constructed as described above, the operation code 9 is changed from the state shown in FIGS.
Is operated in the pulling-up direction of the bottom rail 7, the pulley 13 is rotated, and with the rotation of the pulley 13, the elevating shaft 19 is rotated via the operating device 8. Then, with the rotation of the elevating shaft 19, the elevating cord 6 is wound up by the elevating device, the bottom rail 7 is pulled up, and the fabric 4 is folded upward. Operation code 9
Is operated in the lowering direction of the bottom rail 7, the bottom rail 7 is lowered, and the fabric 4 is lowered while being stretched. When the operation of the operation cord 9 is stopped, the bottom rail 7 is suspended and supported at a desired position by the self-weight drop prevention device.

To attach the cloth 4 and the head box 1 to the window frame 3 or the like so that the front and back of the cloth 4 and the head box 1 are interchanged, remove the screw 21 and remove the pulley base 2.
0 is set to be rotatable with respect to the cylindrical portion 11 of the operation case 10.

In this state, the pulley base 20 is rotated by 180 degrees as shown by a chain line in FIG. 5, and the pulley base 20 is fixed to the operation case 10 again with the screws 21. Then
As shown in FIGS. 6 and 7, even if the fabric 4 and the head box 1 are interchanged and attached to the window frame 3, the opening 28 of the pulley base 20 is located on the indoor side, and the operation cord 9 is located at the opening. It is dripped from 28 to the indoor side.

Therefore, in a pleated curtain of a double-sided type, in which both the front and back surfaces of the cloth 4 can be suspended and supported on the indoor side, the pulley base 20 is rotated 180 degrees with respect to the operation case 10 and re-mounted. Just by fixing, the front and back of the fabric 4 can be easily exchanged and suspended.

Also, when changing the position of the operating device 8 with respect to the head box 1 from one side to the other, the head box 1 is mounted on a window frame or the like so that the front and back of the head box 1 are reversed, and the pulley base 20 is mounted. If the operation case 10 is rotated by 180 degrees with respect to the operation case 10, the operation code 9 is similarly dropped toward the indoor side. Therefore, the operating device 8
Does not need to be reassembled, and the position of the operating device 8 can be changed very easily.

The technical ideas other than the claims that can be grasped from the above embodiment will be described below together with their effects.
(1) The operation case 10 according to claim 1, wherein the operation case 10 is formed so as to be line-symmetrical in the front-rear direction of the head box 1, and the mounting holes 10a are formed at two locations above and below the center line of the operation case 10; Reference numerals 22 are provided at two locations above and below the center of rotation of the pulley base 20. With the pulley base 20 fixed to the input of the operation case 10, the pulley base 20
Is rotated by 180 degrees with respect to the operation case 10, the mounting piece 22 becomes a position where it can be fixed to the mounting hole 10a.

[0034]

As described in detail above, the present invention makes it possible to easily change the drawing direction of the operation code from the operating device, and to easily change the front and back of the curtain fabric and the position of the operating device with respect to the head box. A resulting pleated curtain can be provided.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a pleated curtain.

FIG. 2 is a side view of a pleated curtain.

FIG. 3 is a cross-sectional view showing the operating device.

FIG. 4 is an exploded perspective view of an operation case, a pulley base, and a pulley cover.

FIG. 5 is an explanatory diagram showing a change in a drawing direction of an operation code.

FIG. 6 is a front view of a pleated curtain in which the front and back of the fabric are interchanged and attached.

FIG. 7 is a side view of a pleated curtain in which the front and back of the fabric are interchanged and attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Head box 4 Fabric 7 Bottom rail 8 Operation device 9 Operation code 10 Case 20 Guide member (pulley base) 28 Opening

Claims (2)

(57) [Claims] An up-down cord (6) suspended from a head box (1) and suspended from an up-down device provided in the head box (1). ) Is inserted into the cloth (4), and the bottom rail (7) is suspended and supported at the lower end thereof, and the lower edge of the cloth (4) is connected to the bottom rail (7). An operation device (8) is attached to one end of the device, an operation code (9) is hung from the operation device (8) forward of the cloth (4), and the operation device (9) drives the lifting device. Then, in the pleated curtain in which the cloth (4) can be moved up and down by winding or unwinding the elevating cord (6), the operating code (9) is guided to the case (10) of the operating device (8). Opening (28) Guide member (2
0) is supported rotatably in the front-rear direction of the cloth (4),
The guide member (20) and the case (10) are provided with a fixing device for fixing the opening (28) such that the opening (28) is located toward either the front or the rear of the cloth (4). Pleated curtains. 2. The fixing device according to claim 1, wherein the fixing device includes the guide member.
The guide member (2) is symmetrical with respect to the rotation center of
0) and the mounting piece (2).
2) To fix the case (1) with screws (21),
2. A pleated curtain according to claim 1, wherein said pleated curtain comprises an attachment hole (10a) provided in said first hole.