JPH10280840A - Blind - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable selection between a lighting part and a shielding part in the vertical direction. SOLUTION: This vertical blind is so constructed that plural slats 14. extended in the vertical direction are arranged in parallel to each other and held in such a manner as to be movable in the horizontal direction, and the plural flats 14 are turned to open and close. In this case, plural slats 14 are divided into plural groups A, N in the vertical direction, and split slats 14a, 14b are independently opened and closed by each group A, B.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blind in which a slat is swiveled to open and close, and more particularly to a blind capable of selecting a lighting position in a vertical direction.

[0002]

2. Description of the Related Art Conventionally, blinds using slats (thin plates) are roughly classified into vertical and horizontal types. The vertical blind holds a plurality of slats extending in the vertical direction so as to be movable in the horizontal direction along the hanger rail attached to the upper part of the window frame, and arranges the slats at predetermined intervals in the longitudinal direction. Opening and closing are performed by simultaneously turning as a rotation axis.

[0003] On the other hand, a horizontal blind is formed by laminating a plurality of slats extending in a horizontal direction on a ladder cord and hanging down from the upper portion of a window frame together with a bottom rail, and rotating the slats in a longitudinal direction with the slats arranged at predetermined intervals. Opening and closing are performed by simultaneously turning as an axis. However, in the above-described conventional blind, it is impossible to separate and select the lighting position in the vertical direction in either the vertical type or the horizontal type. That is,
It was impossible to mix the light-receiving portion and the light-shielding portion in the vertical direction. Especially in offices, etc.
In order to prevent the computer screen from being difficult to see due to light, or to prevent information from leaking through windows, if the lighting position can be made vertically selectable,
Although it is possible to realize an ideal environment in which only necessary parts are shielded while lighting, a conventional blind cannot meet these requirements.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a blind which makes it possible to select a lighting part and a light shielding part in a vertical direction.

[0005]

In order to achieve the above object, a blind according to the present invention comprises a plurality of vertically extending slats arranged in parallel with each other and movably held in a horizontal direction. In the vertical blind in which the slats are turned to open and close, the plurality of slats are divided into a plurality of groups in a vertical direction, and the divided slats can be independently opened and closed for each group. Is what you do.

According to another aspect of the present invention, there is provided a blind in which a plurality of slats extending in a horizontal direction are arranged in parallel with each other and held movably in a vertical direction, and the plurality of slats are turned. In the horizontal blind configured to be opened and closed, the plurality of slats are vertically divided into a plurality of groups, and the slats can be independently opened and closed for each group.

As described above, the plurality of slats extending in the vertical direction or the horizontal direction are divided or divided into a plurality of groups in the vertical direction, and each group can be independently opened and closed, so that the daylighting portion and the light shielding portion can be separated. It can be arbitrarily selected in the vertical direction.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 4 illustrate a vertical blind according to an embodiment of the present invention. In the figure, a drive shaft 2 and a tilt shaft 3 are supported in parallel in a longitudinal direction on a hanger rail 1, and one lead runner 4 and a plurality of runners 5 run along these shafts 2, 3. It has become.

The drive shaft 2 is composed of a screw rod, and can be freely rotated left and right by operating a drive cord 7 via a pulley 6 attached to an end thereof. On the other hand, the tilt shaft 3 has a substantially triangular wave-shaped cross section, and can be freely rotated left and right by operating a tilt cord 9 via a pulley 8 attached to an end thereof.

The runners 4 and 5 have an opening 10 into which the drive shaft 2 is inserted and an opening 11 into which the tilt shaft 3 is inserted.
The support shaft 12 is pivotally supported downward. The lead runner 4 disposed at the head of the hanger rail 1 has an opening 10 screwed to the drive shaft 2 and moves left and right as the drive shaft 2 rotates. The plurality of runners 5 are connected to each other, and follow the lead runner 4 at a predetermined interval. A gear 13 meshing with the tilt shaft 3 is held in the opening 11 of the runners 4 and 5 so that the rotation of the tilt shaft 3 is converted to the rotation of the support shaft 12 via the gear 13. Has become.

The support shafts 12 of the plurality of runners 4 and 5 have
A thin plate-like slat 14 extending in the vertical direction is attached to each. The plurality of slats 14 are arranged in parallel with each other, and are held movably in the horizontal direction together with the runners 4 and 5. These slats 14
Is divided into upper and lower slats 14a, 1 at substantially the center in the vertical direction.
4b.

The divided slats 1 constituting the upper group A
4a and the divided slats 14b constituting the lower group B are connected to each other by a joint 15, and the divided slats 14a and 14b are connected via the joint 15.
Are pivotable to each other. Also, split slat 1
At both ends in the width direction at the upper end of 4b, anti-spin plates 16 projecting upward and reaching the divided slats 14a are provided. Since the anti-spin plate 16 is provided on the right side of one surface of the divided slats 14b and on the left side of the other surface, the divided slats 14b are simultaneously turned when the divided slats 14a turn right. ing.

On the other hand, a balance weight 17 is attached to the lower end of the divided slat 14b, and the vertical weight of the slat 14 is maintained by the balance weight 17. All the balance weights 17 are connected to each other by bottom cords 18 at both ends in the width direction. Hooks 19 are attached to both ends of each of the bottom cords 18, and the turning state of the divided slats 14b of the lower group B is fixed by locking the hooks 19 to a wall surface or the like. . The bottom cord 18 is set so that there is substantially no slack when a plurality of slats 14 are arranged at intervals from each other over the entire length of the hanger rail 1.

When operating the vertical blind constructed as described above, first, the drive cord 7 is operated from a state in which the plurality of slats 14 are arranged substantially perpendicular to the longitudinal direction of the hanger rail 1. Thus, the runners 4 and 5 are moved along the hanger rail 1, and the plurality of slats 14 are arranged at predetermined intervals. Then
The split slats 14b are stopped without holding the hooks 19, or the hooks 19 at both ends of one of the bottom cords 18 are locked to a wall or the like, and the tilted state of the split slats 14b is fixed. Operation, the support shafts 12 of the runners 4 and 5 are moved leftward from the initial position by approximately 90 degrees.
When rotated, the divided slats 14a of the upper group A
Turns left around the longitudinal direction as a rotation axis, but the divided slats 14b of the lower group B maintain the turning state. When the support shafts 12 of the runners 4 and 5 are turned to the right by approximately 90 °, the divided slats 14a of the upper group A return to the initial position. In this way, it is possible to open and close only the upper group A while keeping the lower group B open.

On the other hand, from the state where the support shafts 12 of the runners 4 and 5 are in the initial position, the hook 19 on the left side of the bottom cord 18 on the near side and the hook 19 on the right side of the bottom cord 18 on the back side are attached to the wall surface or the like. When locked, the split slats 14a of the upper group A maintain the turning state, while the split slats 14b of the lower group B turn approximately 90 ° to the right with the longitudinal direction as the rotation axis. When the bottom cord 18 is operated again, the divided slats 14b of the lower group B
Can be returned to the original state. In this way, it is possible to open and close only the lower group B while keeping the upper group A open.

When the upper group A and the lower group B are both turned to the left and the divided slats 14a of the upper group A are turned to the right to return to the initial state, the divided slats of the lower group B are turned to the initial state. 14b is an idling prevention plate 16
Then, it turns rightward with the split slat 14a by the contact of, and returns to the initial state. Therefore, by operating the divided slats 14a of the upper group A, the divided slats 14b of the lower group B can be aligned in parallel.

In the above-mentioned blind, a plurality of slats 14 are divided into groups A and B in the vertical direction, and the groups A and B can be opened and closed independently. Can be arbitrarily selected. 5 to 8 illustrate horizontal blinds according to an embodiment of the present invention. In the figure, a drive shaft 32, 33 is supported in parallel in a longitudinal direction on a head box 31 in a longitudinal direction. The drive shafts 32, 33 are rotatable left and right by operating the open / close cords 34, 35 via pulleys (not shown) attached to the ends.

As shown in FIG. 8, gears 36 to 39 serve as a rotary drive mechanism of the drive shafts 32 and 33.
The torsional rotation of the rod 40 through the drive shaft 3
The rotation may be converted into 2, 33 rotations. That is, the torsional rotation of the rod 40 is converted into a right-angle rotation by the gears 36 and 37, and transmitted to the gear 39 at the end of the drive shafts 32 and 33 via the gear 38 coaxially connected to the gear 37. can do.

The drive shaft 32 is provided with a pair of left and right reels 41 at an interval from each other, and the upper ends of the ladder cords 42 are connected to the pair of left and right reels 41, respectively. The ladder cord 42 is composed of a pair of front and rear vertical yarns and a plurality of horizontal yarns connecting the pair of vertical yarns. A plurality of slats 43 extending in the horizontal direction are held on the horizontal thread of the ladder cord 42, and the plurality of slats 43 are attached to the upper group A.
Is composed.

The pair of vertical yarns of the ladder cord 42 are wound around the reel 41 in opposite directions. Therefore, when the drive shaft 32 is rotated in a certain direction, one vertical thread of the ladder cord 42 is wound up and the other vertical thread is unwound.
Simultaneously turns while changing the inclination angle in the same direction.

Similarly, the drive shaft 33 is also provided with a pair of left and right reels 44, and the ladder code 4
A plurality of slats 46 constituting the lower group B are held on the horizontal thread 5. However, the vertical thread of the ladder cord 45 is connected to the reel 44 through the outside of the slat 43 constituting the upper group A. Each of the above-mentioned slats 43 and 46 is provided with an opening 47 near the ladder cords 42 and 45, and a lifting cord 48 extending from the head box 31 is inserted into the opening 47 in the vertical direction. The lower end of the lifting cord 48 is connected to the bottom rail 49 together with the lower ends of the ladder cords 42 and 45. On the other hand, the upper end of the lifting cord 48 is drawn out of the head box 31 via the stopper 50.

When operating the horizontal blind constructed as described above, the bottom rail 49 is hung by operating the lifting cord 48, and a plurality of slats 43, 46 are moved to a predetermined position as shown in FIG. Are arranged horizontally with an interval of. When the drive shaft 32 is rotated by operating the opening / closing cord 34, as shown in FIG.
Pivots about the longitudinal direction as a rotation axis. Therefore, regardless of the open / close state of the lower group B, only the upper group A can be opened / closed.

On the other hand, when the drive shaft 33 is rotated by operating the opening / closing cord 35, the slats 46 of the lower group B rotate via the ladder cord 45 about the longitudinal direction as a rotation axis. Therefore, regardless of the open / close state of the upper group A, only the lower group B can be opened / closed. Thus, in the above-described blind, the plurality of slats 43 and 46 are vertically divided into groups A and B,
Since each of the groups A and B can be opened and closed independently, the lighting position can be arbitrarily selected in the vertical direction as needed.

In each of the above embodiments, a case where a plurality of slats are divided or divided into two stages has been described. However, in the present invention, the number of stages for dividing or dividing a plurality of slats in the vertical direction is not particularly limited. It is not necessary to provide two or more stages if necessary.

[0025]

As described above, according to the present invention, in a blind in which a plurality of slats arranged in parallel with each other are turned to open and close, a plurality of slats are vertically grouped by a plurality of groups. Divided or divided into
Since each group can be opened and closed independently, it is possible to arbitrarily select a lighting part and a light shielding part in the vertical direction.

Therefore, in an office or the like, appropriate light can be taken in while avoiding inconveniences such as difficulty in viewing a computer screen due to light and leakage of information through a window.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a vertical blind according to an embodiment of the present invention.

FIG. 2 is a partially cutaway front view showing a main part of FIG. 1;

FIG. 3 is a sectional view showing a main part of FIG. 2;

FIG. 4 is a partially cutaway bottom view showing a main part of FIG. 1;

FIG. 5 is a perspective view showing a horizontal blind according to an embodiment of the present invention.

FIG. 6 is a partially cutaway perspective view showing a main part of FIG. 5;

7A is a cross-sectional view illustrating a state where the upper group is closed while the lower group is opened in the blind of FIG. 5; FIG. 7B is a state where both the upper group and the lower group are opened; It is principal part sectional drawing which shows.

FIG. 8 is a top view showing a modification of the rotation drive mechanism of the drive shaft.

[Explanation of symbols]

 14, 43, 46 slats 14a, 14b split slats A, B group

Claims (5)

[Claims] 1. A vertical blind in which a plurality of slats extending in a vertical direction are arranged in parallel to each other and held so as to be movable in a horizontal direction, and the plurality of slats are turned to open and close. A blind wherein the plurality of slats are vertically divided into a plurality of groups, and the divided slats can be independently opened and closed for each group. 2. The blind according to claim 1, wherein the plurality of divided slats are vertically connected to each other so as to be pivotable. 3. The blind according to claim 2, wherein an anti-idling plate is provided on the divided slats. 4. A horizontal blind in which a plurality of slats extending in a horizontal direction are arranged in parallel with each other and held movably in a vertical direction, and the plurality of slats are turned to open and close. A blind in which multiple slats are vertically divided into multiple groups, and the slats can be opened and closed independently for each group. 5. The blind according to claim 1, further comprising a plurality of operation means for independently opening and closing the plurality of groups.