JPH0765446B2 - Detaching method for winding roll of blind device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for attaching and detaching a winding roll to and from a blind frame in a blind device for a daylighting window.

[Background Art] In order to illuminate a room from the ceiling, as shown in FIG. 7, a window 11 is provided on a roof 11 and a screen 3 is attached to the ceiling 12 in a blind frame 4 so that the screen 3 can be opened and closed. B is provided so that the harsh sunshine of summer can be blocked by the screen 3 of the bride device B.

In the bridging device B, the screen is attached to the take-up roll provided in the blind frame, and the screen is taken up by the rotational urging force of the take-up roll by the spring provided in the take-up roll. That is, a winding shaft is attached to the blind frame by rotatably providing a square shaft having a square cross section at the end of the winding roll and inserting the square shaft into a bearing square hole provided in the blind frame. A spring built in the roll urges the take-up roll to rotate about the angular axis, and the rotational urging force allows the screen to be taken up on the take-up roll. When cleaning or repairing the screen, the take-up roll needs to be removed from the blind frame and reattached.If the screen is damaged or the screen has a different pattern, It is necessary to remove the take-up roll from the blind frame and replace it with a new one.

However, in order to apply an urging force capable of winding the screen to the take-up roll, the angular axis is inserted into the bearing hole while the rotational urging force is applied between the take-up roll and the angular axis. Since it is difficult to pull out or insert the square shaft from the bearing square hole while keeping the state in which the rotational biasing force is applied in this way, it is difficult to remove the take-up roll from the blind frame. There was a problem that it became very troublesome.

[Object of the Invention] The present invention has been made in view of the above points, and it is possible to easily perform the attaching / detaching work of the winding roll while maintaining the state in which the rotational urging force is applied to the angular shaft. An object of the present invention is to provide a method for attaching and detaching a winding roll of a blind device.

DISCLOSURE OF THE INVENTION However, in the method for detaching and attaching the winding roll of the blind device according to the present invention, the through hole 6 is formed in the end portion of the winding roll 1 so as to communicate between the outer peripheral surface and the square shaft 2. When the stopper jig 7 is inserted, the engaging notch 8 formed at the tip of the stopper jig 7 is inserted and engaged with the square shaft 2, and in this state, the square shaft 2 is inserted into or removed from the bearing square hole 5. It is characterized in that the take-up roll 1 is attached and detached, and the take-up roll 1 can be attached and detached in a state in which the angular shaft 2 is prevented from rotating by using a stopper jig 7. Hereinafter, the present invention will be described in detail with reference to Examples.

The take-up roll 1 is formed by a cylinder, and an end of the take-up roll 2 is projected from both ends of the take-up roll 1 through a central shaft of the take-up roll 1 having a square cross section. The square shaft 2 is rotatable with respect to the winding roll 1, and the inner circumference of the winding roll 1 and the square shaft 2 are
A spring (not shown) is attached between the roller and the roller so that a rotational biasing force can be applied between the take-up roll 1 and the square shaft 2. Further, at one end of the winding roll 1, a slit-shaped through hole 6 communicating with the inside and outside of the winding roll 1 and extending from the outer peripheral surface to the angular axis 2 is formed. One end of a screen 3 made of a sheet material is fixed and wound around the winding roll 1, and the other end of the screen 3 has an end bar 16
Is attached. An operation piece 17 is provided on the lower surface of the end bar 16, and side caps 18, 18 are attached to both ends of the end bar 16 as shown in FIG.
Guide pieces 19, 19 are projecting laterally on the side 18. Further, as shown in FIG. 4, each side cap 18 is provided with a cushioning material 31, such as rubber, protruding from the end bar 16.

The blind frame 4 is formed in a rectangular frame shape by a pair of vertical frame pieces 4b, 4b and a pair of horizontal frame pieces 4a, 4a.
As shown in FIGS. 4 and 5, a lower piece 26 extends inward from the lower edge of each frame piece 4a, 4b. Further, a guide protrusion 14 is provided on the middle portion of the inner surface of the vertical frame piece 4b as shown in FIG. 5, and a guide groove 15 is formed between the guide protrusion 14 and the lower piece 26. Is done. A bearing plate 27 is attached to one vertical frame piece 4b of the blind frame 4 by a mounting screw 28, and a bearing plate 29 arranged at a position close to the other vertical frame piece 4b is a fixing screw 30. It is attached to the horizontal frame piece 4a. Square bearing square holes 5, 5 are formed in the bearing plates 27, 29 at positions facing each other. And this bearing plate 27,
The winding roll 1 is mounted along the inside of the frame piece 4a on one side by inserting both ends of the angular shaft 2 into the bearing square holes 5 and 5 of 29 respectively. Guide piece of the end bar 16 of the screen 3 wound around
19 and 19 are fitted in the guide grooves 15 and 15, respectively. Further, at this time, the angular shaft 2 is rotated against the winding roll 1 against the spring so that a rotational biasing force is generated by the spring between the winding roll 1 and the angular shaft 2, and in this state the bearing Board 2
Both ends of the square shaft 2 are inserted into the bearing square holes 5, 5 of 7, 29, respectively, so that the screen 3 can be completely wound around the winding roll 1.

The blind device B formed as shown in FIG. 3 as described above has, for example, a ceiling opening 20 below the lighting window.
It is attached inside, and is fixed by driving the screw 21 from the blind frame 4 into the peripheral wall of the opening 20 as shown in FIG. At this time, the hanging jig 22 is provided on the blind frame 4 as shown in FIG. 4, and the hanging jig 22 is attached to the peripheral wall of the opening 20 with the nail 23, so that the blind frame 4 is hung inside the opening 20. It is lowered and temporarily held, and the screw 21 can be tapped in this state. In this blind device B, when the screen 3 is wound around the take-up roll 1 as shown in FIG. 4, the blind device B is in the fully open state, and the end bar 16 is pulled from this state to guide the guide groove 15 The blind device B by pulling the screen 3 out of the take-up roll 1 while rotating the take-up roll 1 against the spring force.
Can be closed. Here, as shown in FIG. 4, an engaging recess 24 is provided at the tip of the lower piece 26 of the vertical frame piece 4b of the blind frame 4, and the guide piece 19 of the side cap 18 is engaged with the engaging recess 24. By engaging with the screen 3, the screen 3 can be pulled out from the winding roll 1 and the blind device B can be held in a closed state. Next, when the guide piece 19 is disengaged from the engaging recess 24 so that the wind-up roll 1 winds the screen 3, the screen 3 is wound around the wind-up roll 1 by the rotational biasing force of the spring. ,
The end bar 16 runs along the guide groove 15 and winds up the take-up roll 1.
Attracted to. The end bar 16 will eventually collide with the tip of the lower piece 26 of the frame piece 4a that covers the lower side of the take-up roll 1. As a result, the shock absorbing material is absorbed by the cushioning material 31.

Here, when cleaning or repairing the screen 3, it is necessary to remove the take-up roll 1 from the blind frame 4 and then reattach it. Also, when the screen 3 is damaged or the screen 3 has a different pattern. In the case of replacement, it is necessary to remove the winding roll 1 from the blind frame 4 and replace it with a new one. At this time, the stopper jig 7 as shown in FIG.
To use. The stopper jig 7 is formed as a metal fitting by providing a square engagement notch 8 at the tip, and the width dimension thereof is slightly shorter than the slit length of the through hole 6 formed in the winding roll 1. I am doing it. And this stopper jig 7
The engaging notch 8 through the through hole 6 of the winding roll 1 and the square shaft 2
Engage the outer circumference of. When the engaging notch portion 8 of the stopper jig 7 is engaged with the square shaft 2 in this manner, the stopper jig 7
Is held in the through hole 6 of the take-up roll 1, the square shaft 2 is coupled to the take-up roll 1 via the stopper jig 7, and the square shaft 2 is biased by the spring. 2 can be fixed in a state in which it cannot rotate with respect to the winding roll 1. After fixing the square shaft 2 in such a state as not to rotate, one of the bearing plates 27 is removed from the blind frame 4 by loosening and removing the mounting screw 28, and one end of the winding roll 1 together with the bearing plate 27 is removed. The blind frame 4
Then, the square shaft 2 is pulled out from the square bearing hole 5 of the other bearing plate 29 as shown in FIG. The guide piece 19 of the end bar 16 of the screen 3 is also pulled out from the guide groove 15. In this way, the winding roll 1 can be taken out from the blind frame 4 together with the screen 3, and when the winding roll 1 is attached to the blind frame 4 again or when a new winding roll 1 is attached to the blind frame 4, The stopper jig 7 may be inserted into the winding roll 1 and the square shaft 2 may be fixed by the stopper jig 7 in the reverse order of the above.

[Advantages of the Invention] As described above, according to the present invention, the stopper jig is inserted into the through hole formed at the end of the winding roll so as to communicate with the outer peripheral surface and the square shaft, and the stopper jig is also inserted. Since the engaging notch formed at the tip of the shaft is inserted and engaged with the square shaft, and in this state, the square shaft is inserted into or withdrawn from the bearing square hole to detach the take-up roll, It is possible to fix the square shaft to the take-up roll through the stopper jig by the engagement of the shaft and the square shaft, and the square shaft is not rotated and the rotation force is applied to the square shaft by the spring. The take-up roll can be attached and detached while maintaining the above state, and the work of attaching and detaching the take-up roll to the blind frame can be easily performed.

[Brief description of drawings]

1 is a perspective view of a part of an embodiment of the present invention, FIG. 2 is a perspective view of another part of the same as above, FIG. 3 is a schematic reduced perspective view of the blind device of the same as above, and FIG. Is a front sectional view, FIG. 5 is a side sectional view of the same, FIG. 6 is a partial sectional view of the same, and FIG. 7 is a schematic reduced sectional view showing the entire device of the daylighting window. 1 is a take-up roll, 2 is an angular axis, 3 is a screen, 4 is a blind frame, 5 is a bearing square hole, 6 is a through hole, 7 is a stopper jig, and 8 is an engaging notch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 60-191691 (JP, U) Rikai Hei 1-79796 (JP, U) Rikai 63-194227 (JP, U) Rikai 62- 23996 (JP, U) Suguru 57-25990 (JP, Y2)

Claims (1)

[Claims] 1. A blind frame is provided for the winding roll, wherein an end portion of the winding roll is provided with an angular shaft rotatably biased by a spring so that the screen is wound around the winding roll by the rotating force of the spring. In a blind device in which a winding roll is mounted in the blind frame by passing a square shaft through a bearing square hole provided in the blind frame, a blind device is provided between the outer peripheral surface and the square shaft at the end of the winding roll. Insert the stopper jig into the through hole that is formed to communicate with, and engage the engagement notch formed at the tip of the stopper jig with the square shaft.In this state, insert the square shaft into the bearing square hole. A method of detaching a take-up roll of a blind device, characterized by detaching the take-up roll.