JP2002220980A - Blind for roof light window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a blind for a roof light window, by which a bottom rail and a slat are securely kept parallel to a head box and made possible to open and close, and of which the assembling and maintenance can be easy to perform. SOLUTION: Both the ends of a slat lifting-up wire 10 are reeled on a reeling spindle 8 in the head box 1, the middle part of the wire having no end is hooked and arranged along the bottom rail, and the slat lifting-up wire 10 is reeled up with the reeling spindle 8, so that the bottom rail 6 can be moved toward the head box. Both the ends of a slat lifting-off wire 13 is reeled on the reeling spindle 8 in the direction reverse to that of the slat lifting-up wire, the middle part having no end is guided through the bottom box to the bottom rail and hooked and arranged along the bottom rail, and the slat lifting-off wire 13 is reeled up with the reeling spindle 8, so that the bottom rail 6 can be moved toward the bottom box 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for raising and lowering a blind for a skylight installed on an inclined window or a skylight.

[0002]

2. Description of the Related Art A skylight blind is provided with a slat elevating device different from a normal horizontal blind in order to elevate and lower a slat and a bottom rail along a skylight.

[0003] In the skylight blind disclosed in Japanese Patent Publication No. 8-30393, the bottom rail moves toward the head box by winding up the pull-up wire with a winding shaft provided in the head box. The skylight is opened.

[0004] Further, by winding a wire for pulling down with a winding shaft similarly arranged in the head box,
The bottom rail moves in the direction away from the headbox, and the slats are drawn out along the skylight surface.

[0005] In the skylight blind disclosed in Japanese Patent No. 2660696, the bottom rail is moved toward the headbox by manually pulling out the lifting cord from the headbox, and the skylight is opened.

Further, by pulling out the cord for pulling down from the head box, the bottom rail moves in the direction away from the head box, and the slat is drawn out along the skylight surface.

[0007]

[Problems to be Solved by the Invention]
In order to move the slat while keeping the bottom rail and the slat parallel to the headbox, the length of the wire for pulling and the wire for pulling down must be precisely adjusted. Must be connected to rails.

Therefore, the operation is complicated and
Fine adjustment after construction is not easy. Further, when any one of the wires is replaced, there is a problem that it is difficult to adjust the length with another wire.

In the skylight blind disclosed in Japanese Patent No. 2660696, the bottom rail and the slats are inclined to move unless the cords hanging endlessly from the head box during operation are pulled equally to the left and right. Therefore, there is a problem that the opening and closing operation of the slat is complicated.

An object of the present invention is to provide a blind for a skylight which can be easily opened and closed while securely maintaining a bottom rail and a slat parallel to a head box, and can be easily assembled and maintained. .

[0011]

According to the first aspect of the present invention, a skylight blind for moving a slat supported between the head box and the bottom rail by moving the bottom rail between the head box and the bottom box. In the above, both ends of the pulling wire are wound around a winding shaft in a head box, an endless intermediate portion of the pulling wire is wrapped along a bottom rail, and the pulling wire is wound with the winding shaft. By winding, the bottom rail can be moved toward the head box, and both ends of the pull-down wire are wound around the winding shaft in a direction opposite to the pull-up wire, and an endless intermediate portion of the pull-down wire. The part is guided along the bottom rail through the bottom box, and is mounted along the bottom rail, and By taking up the lower wire came, and movable toward the bottom rail to the bottom box.

[0012] In the second aspect, the lowering wire is provided with an adjusting device for tensioning the lowering wire in the bottom rail. In claim 3, both ends of the lifting wire are connected to a fixing ring attached to the winding shaft, and the fixing ring is detachable from the winding shaft so as to engage with the winding shaft. When released, it was made rotatable with respect to the winding shaft, and the maximum rewind amount of the lifting wire was made adjustable.

According to a fourth aspect of the present invention, both ends of the pull-down wire are connected to a fixing ring attached to the winding shaft, and the fixing ring can be disengaged from the winding shaft so as to be connected to the winding shaft. When the engagement was released, the wire was rotatable with respect to the winding shaft, and the maximum unwinding amount of the pull-down wire was made adjustable.

According to a fifth aspect of the present invention, the adjusting device comprises a caulking device for caulking an excess portion of the wire so as to tension the wire. In claim 6, the adjusting device is:
A winding shaft is rotatably supported by a slide member movably supported in the longitudinal direction of the bottom rail, and an excess portion of the wire can be wound by the winding shaft so as to tension the wire.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a skylight blind embodying the present invention;

As shown in FIG. 1, in the window blind, a head box 1, a side frame 2 and a bottom box 3 are fixed to a window frame of the window. The head box 1
At least two tension wires 4 are stretched between the bottom box 3 and the bottom box 3 along the skylight surface, for example, in the horizontal direction while penetrating the multiple slats 5 and the bottom rail 6.

Each of the slats 5 is supported by a ladder cord 7 suspended from a ladder cord supporting device disposed in the head box 1, and the lower end of the ladder cord 7 is attached to the bottom rail 6. Is being worn.

A winding shaft 8 is rotatably supported in the head box 1, and the winding shaft 8 is
It is rotatably driven by a motor 9 disposed at one end inside so as to be able to rotate forward and reverse. The motor 9 is an operating device (not shown)
It operates by the operation of. Further, as the winding shaft 8 rotates, the angle of each slat 5 is adjusted via the ladder cord support device and the ladder cord 7.

At both ends of the winding shaft 8, ends of a pulling wire 10 are wound.
Numeral 0 penetrates through each slat 5 near the ladder code 7.

FIG. 3 shows how the pulling wire 10 is routed.
4, the lifting wire 10 will be described.
Are inserted into the bottom rail 6 and pulleys 11a, 11b provided at both ends of the bottom rail 6.
And is guided toward the head box 1.

A fixing ring is inserted through each slat 5 and both ends are wound around the winding shaft 8 at both ends of the winding shaft 8 and are fixed to the winding shaft 8. 12a and 12b.

Therefore, when the winding shaft 8 is rotated in the slat lifting direction, the lifting wire 10 is wound on the winding shaft 8 and the bottom rail 6 moves toward the head box 1.

The fixing rings 12a, 12b
It is fixed to the winding shaft 8 by 8a. And screw 1
By loosening 8a and rotating the fixing rings 12a and 12b, the maximum rewind amount of the pulling wire 10 can be adjusted.

Between the pulling wires 10,
A pull-down wire 13 is stretched between the head box 1, the bottom box 3 and the bottom rail 6. FIG. 3 and FIG.
The lowering wire 13 is inserted into the bottom rail 6, and an adjusting device 14 capable of adjusting the length of the wire is provided at an intermediate portion of the lowering wire 13.

The pull-down wire 13 is guided into the bottom box 3 via pulleys 11c and 11d from the bottom surfaces at both ends of the bottom rail 6, and passes through code gates 15a and 15b opened on the back surface of the bottom box 3 to form respective wires. The back of the slat 5 is guided toward the head box 1.

The head box 1 passes through code gates 16a and 16b opened on the back of the head box 1.
And wound around the winding shaft 8 in the head box 1, and both ends are connected to fixing rings 17a and 17b.

The fixing rings 17a and 17b are fixed to the winding shaft 8 by screws 18b, like the fixing rings 12a and 12b. By loosening the screw 18b and rotating the fixing rings 17a and 17b, the maximum rewind amount of the pull-down wire 13 can be adjusted.

The direction in which the pulling wire 13 is wound around the winding shaft 8 is opposite to the direction in which the pulling wire 10 is wound.
The lifting wire 10 is rewound.

When the pulling wire 10 is wound, the pulling wire 13 is unwound. As shown in FIG. 5, the adjusting device 14 is configured to be caulked and fixed with the caulking device 19 so as to absorb the slack of the pull-down wire 13. As shown in FIG. 6, the slide member 20 is slidably supported on the bottom rail 6 in its longitudinal direction, and a screw 21 is rotatably supported on the slide member 20 as a winding shaft.
The slack of No. 3 may be wound up by the screw 21.

Next, the operation of the skylight blind constructed as described above will be described. When the motor 9 is operated in the slat lifting direction, the lifting wire 10 is wound around the winding shaft 8 and the pulling wire 13 is unwound from the winding shaft 8.

Then, the bottom rail 6 moves toward the head box 1 and the slats 5 move
Is folded toward. On the other hand, when the motor 9 is operated in the slat lowering direction, the lowering wire 13 is wound around the winding shaft 8 and the raising wire 10 is unwound from the winding shaft 8.

Then, the bottom rail 6 moves toward the bottom box 3 and the slat 5 is pulled out. With the skylight blind configured as described above, the following operational effects can be obtained. (1) The lifting wire 10 is stretched endlessly and squarely between the winding shaft 8 and the pulleys 11a and 11b of the bottom rail 6. Therefore, at the time of installation, the lifting wire 1
If the tension is set to 0, the head box 1 can be moved toward the head box 1 while the bottom rail 6 is always kept parallel to the head box 1. (2) The pull-down wire 13 is stretched endlessly and squarely between the winding shaft 8 and the code gates 15a and 15b of the bottom box 3 and the pulleys 11c and 11d of the bottom rail 6. Therefore, at the time of installation, the lowering wire 13
If you are nervous, the bottom rail 6
Can be moved toward the bottom box 1 while always keeping parallel. (3) The pulling wire 10 and the pulling wire 13 are independently attached to the winding shaft 8.
Therefore, assembling of the skylight blind can be easily performed, and replacement of the wires 10 and 13 and adjustment of the length of the wire accompanying the replacement can be easily performed. (4) If the length of the pull-down wire 13 set at the time of shipment is too long with respect to the window frame on which the skylight blind is actually installed, when the bottom rail 6 is moved toward the bottom box 3 to the maximum extent, Pulling wire 13
Sagging. Even in such a case, the adjusting device 14 can easily and optimally tension the pull-down wire 13. (5) If the length of the lifting wire 10 set at the time of shipment is too long with respect to the window frame on which the skylight blind is actually installed, when the bottom rail 6 is moved toward the bottom box 3 to the maximum extent, Pulling wire 10
Is loosened. Even in such a case, the fixing ring 12
The tension of the pull-down wire 13 is easily and optimally adjusted by releasing the fixing of the wires a and 12b and rotating the same to change the initial value of the winding amount of the pull-up wire 10 wound on the winding shaft 8. can do. (6) Since it is easy to adjust the lengths of the pulling wire 10 and the pulling wire 13, the skylight can be adjusted by setting the lengths of the pulling wire 10 and the pulling wire 13 to be longer at the time of shipment. It can easily cope with the case where the actual window frame size is slightly larger than the specification of the window blind.

The above embodiment can be modified as follows.・ Fixing ring 17 for connecting pulling wire 13
The a and 17b may be located closer to the end of the winding shaft 8 than the fixing rings 12a and 12b that connect the lifting wire 10. In this case, the fixing rings 12a, 12a
With the change of the position of b, 17a, 17b, the pulley 1
1a to 11d and code gates 15a, 15b, 16
a, 16b is changed, and the pull-down wire 13 is changed.
Must be stretched in a square. The adjusting device 14 may be provided on the pulling wire 10.

[0034]

As described in detail above, the present invention makes it possible to easily open and close the bottom rail and the slats while keeping the bottom rail and the slats parallel to the head box, and to easily perform assembly and maintenance. Can be provided.

[Brief description of the drawings]

FIG. 1 is a rear view showing a skylight blind.

FIG. 2 is a side view showing a skylight blind.

FIG. 3 is a cross-sectional view showing a skylight blind.

FIG. 4 is an explanatory view showing the routing of a wire.

FIG. 5 is a schematic view showing an adjusting device.

FIG. 6 is a schematic diagram showing an adjusting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Head box 3 Bottom box 5 Slat 6 Bottom rail 8 Winding axis 10 Pulling wire 13 Pulling wire

Claims (6)

[Claims] 1. A skylight blind for moving a slat supported between a head box and a bottom rail by moving a bottom rail between the head box and the bottom box. The bottom rail is wound on the take-up shaft in the box, the endless intermediate portion of the pull-up wire is hung along the bottom rail, and the pull-up wire is taken up by the take-up shaft, whereby the bottom rail is headed. It is movable toward the box, and both ends of the pull-down wire are wound around the winding shaft in a direction opposite to the pull-up wire, and an endless intermediate portion of the pull-down wire passes through the bottom box via the bottom box. Along the bottom rail, and take up the wire for pulling down by the winding shaft. And, the blind for skylights, characterized in that the movable toward the bottom rail to the bottom box. 2. The skylight blind according to claim 1, wherein the pull-down wire is provided with an adjusting device for tensioning the pull-down wire in the bottom rail. 3. The lifting wire has both ends connected to a fixing ring attached to the winding shaft, and the fixing ring is detachable from the winding shaft so as to engage with the winding shaft. The skylight blind according to any one of claims 1 to 2, wherein when released, the maximum rewind amount of the lifting wire can be adjusted by being rotatable with respect to the winding shaft. 4. The pull-down wire has both ends connected to a fixing ring attached to the winding shaft, and the fixing ring can be disengaged from the winding shaft so as to engage with the winding shaft. The skylight blind according to any one of claims 1 to 3, wherein when released, the maximum rewind amount of the pull-down wire can be adjusted by being rotatable with respect to the winding shaft. 5. The skylight blind according to claim 1, wherein the adjusting device is configured by a caulking tool that caulks an excess portion of the wire so as to tension the wire. . 6. The adjusting device, wherein a winding shaft is rotatably supported on a slide member movably supported in a longitudinal direction of the bottom rail, and an excess portion of the wire is wound so as to tension the wire. The skylight blind according to claim 1, wherein the blind can be wound around a shaft.