JP2531959Y2 - Roll screen - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual roll screen used for a skylight or an inclined window.

[0002]

2. Description of the Related Art A conventional roll screen is disclosed in Japanese Utility Model Publication No. Sho 63-49512. In the roll screen shown here, a bushing and an elastic plate are attached to a bracket. The inner circumference of the case is rotatably fitted on the flange-shaped rotating surface of the bearing cylinder, is sandwiched between the elastic plate and the bracket, and the projection of the elastic plate and the groove of the case are fitted to fix the position. A rotating shaft is fitted to the bearing cylinder, and a roll for winding a screen around the rotating shaft is fixed. A pulley that rotates integrally with the rotating shaft is attached to the rotating shaft. The pulley is wrapped around a rotatable string. When changing the roll screen from the ceiling to the wall or from the wall to the ceiling, it is necessary to change the position of the opening for taking out the string of the case. In this case, the user grasps both the strings and pulls the case in the direction in which the case is to be rotated, thereby applying a force to the opening of the case. As a result, the projection of the elastic plate and the groove of the case are disengaged and the case is rotated, and the projection of the elastic plate and the groove of the case are fitted at a desired position.

[0003] There is also one disclosed in Japanese Utility Model Application Laid-Open No. 63-184992. In the roll screen shown in this figure, the screen is supported on a take-up shaft rotatably supported at both ends by a bracket, and an operation code is wound around a pulley provided on one side of the take-up shaft. As a result, the take-up shaft is rotated to move the screen up and down, and a pulley cover is provided around the pulley, which is open only in the pull-out direction of the operation cord. A holding means is provided between the pulley cover and the bracket so as to hold the two in a rotationally adjustable manner. The holding means is released by pulling the winding shaft away from the bracket.
Thereby, the pulley cover can be rotated.

[0004]

However, the above-mentioned conventional roll screen has the following problems. In the roll screen disclosed in Japanese Utility Model Publication No. 63-49512, to change the direction of the case,
Pull the string and apply rotation to the opening of the case and rotate it.However, if there is a certain distance from the center of the case to the opening, the force will not act on the opening, so make the shape of the case large Required, and there is a problem in appearance.

In the roll screen disclosed in Japanese Utility Model Laid-Open Publication No. 63-184992, the holding means is released by pulling the winding shaft away from the bracket, but the bracket is held by one hand and the other is pressed. Since it is difficult to rotate the pulley cover while pulling the winding shaft by hand, there is a problem that the operation is difficult. The purpose of the present invention is to solve such a problem.

[0006]

SUMMARY OF THE INVENTION The present invention relates to a winding pipe .
A plurality of grooves are formed at predetermined intervals on the outer periphery of the wheel cover that is rotatable around the support shaft and that is opened only in the operation code withdrawal direction, and a stopper having a pressing force in the direction of the wheel cover is fitted into the desired groove. The above-mentioned problem is solved by fixing the wheel cover in the above manner. That is,
The roll screen of the present invention has a winding pipe whose both ends are rotatably supported by side plates provided at both ends of the set frame, and a screen that has one end connected to the winding pipe and can be wound or unwound therewith. And supported by a support shaft of the winding pipe provided at one end of the winding pipe.
Re and Rutotomoni winding pipe and rotatable wheel integrally, an operation code that can rotationally drive the same time wound around the wheel, the operation code with supported by the supporting shaft of the winding pipe so as to cover the wheel periphery A wheel cover for storing a wheel having an opening for drawing out, and a wheel supporting shaft for the winding pipe, which is fitted to any one of a plurality of grooves formed on the outer periphery of the wheel cover. Multiple positions around
A stopper fixed to an arbitrary position , a stopper holder supporting one end of the stopper and attached to the side plate, and a spring for constantly pressing the stopper toward the wheel cover.

[0007]

The wheel cover is fixed by fitting a stopper pressed by a spring into one of a plurality of grooves provided in the wheel cover. By pushing in, the wheel cover is easily released from the groove, and the wheel cover becomes rotatable about the support axis of the winding pipe . Thus, when changing the mounting angle of the shade, wheel cover can be easily rotated so that suited the opening downwards, wheel covers stopper again
By fitting it into one of the grooves
Ru can be fixed Rukaba.

[0008]

FIG. 1 shows the overall structure of a roll screen. Side plates 12 are provided at both ends of a set frame 10 for attaching a roll screen to a ceiling or a wall. A winding pipe 14 is rotatably supported on the side plate 12. One end of a screen 16 is connected to the winding pipe 14 so as to be wound. The other end of the screen 16 is connected to a weight bar 18. An annular ball chain 20 (operation code) for rotating the take-up pipe 14 is provided at one end of the take-up pipe 14, and the ball chain 20 is wound around an outer periphery of a wheel 22 described later. Wheel 22 is wheel cover 2
4, and the wheel cover 24 is attached to the stopper holder 26 by a stopper 28 attached to the stopper holder 26 attached to the side plate 12.

In FIG. 2 and FIG. 3, the winding pipe 14 on the side where the ball chain 20 is provided
1 shows an exploded perspective view and a cross-sectional view of each of the assembled components. As shown in these figures, an end cap 32 is fitted to one end of the winding pipe 14 through a support shaft 30 formed integrally with the stopper holder 26. An end cap 32 is provided at the end of the support shaft 30.
An E-ring 34 is fitted in contact with the end of. This prevents the end cap 32 from moving in the axial direction of the support shaft 30. A large-diameter hole 33 larger than the diameter of the support shaft 30 is formed in the end cap 32 from the side plate 12 side end to a predetermined position, and the large-diameter hole 33 is fitted to the outer periphery of the support shaft 30. A clutch spring 36 is fitted between the sleeve 35 and the sleeve 35. The end of the clutch spring 36 on the side plate 12 side is restricted from moving toward the side plate 12 by the wheel 22. The wheel 22 is supported on a support shaft 30 via a ball bearing 37 so as to be rotatable therearound. A protrusion 23 is formed on a predetermined portion of the side surface of the wheel 22 on the side of the winding pipe 14, and the protrusion 23 is fitted between the large-diameter hole 33 and the clutch spring 36. An axial groove 38 is provided on the outer periphery of the wheel 22, and the ball 40 of the annular ball chain 20 is wound around the groove 38 so as to be caught. The ball 4 is pulled by pulling one of the ball chains 20.
0 is sequentially caught in the groove 38 to rotate the wheel 22. Thus, the winding pipe 14 into which the wheel 22 is inserted rotates only when the wheel 22 is rotated by the clutch spring 36. That is, the clutch spring 36 prevents the winding pipe 14 from rotating due to the weight of the screen 16 and the weight bar 18 and unwinding the screen 16. The wheel 22 is housed in a wheel cover 24. The wheel cover 24 supported by the support shaft 30 covers the outer periphery of the wheel 22 and has an opening 44 only in the direction in which the ball chain 20 is pulled out.
In addition, grooves 42 are provided at three locations at 90-degree intervals on the outer peripheral side surface of the wheel cover 24 where the opening 44 is not provided. The stopper 28 incorporated in the stopper holder 26 is fitted into the groove 42 of the wheel cover 24. Thus, the wheel cover 24 is fixed to the stopper holder 26. The stopper holder 26 is attached to the side plate 12 by screws 46. Stopper 2
A spring 48 is interposed between the wheel cover 2 and the side plate 12 so that the stopper 28
It is pressed in four directions.

FIG. 4 is a view showing the roll screen mounted on the ceiling 50 in a section taken along line 4-4 in FIG. A bracket 52 is attached to the ceiling 50.
The set frame 10 is attached to the. At this time, the wheel cover 24 is disposed so that the opening 44 faces directly below, and the stopper 28 is inserted into the middle groove 42 of the three grooves 42.
Can be fitted. FIG. 5 is a view showing the roll screen attached to the wall 51 in a section taken along line 4-4 in FIG. Wall 51
A bracket 52 is mounted on the bracket 52, and the set frame 10 is mounted on the bracket 52. At this time,
The wheel cover 24 is arranged so that the opening 44 faces downward, and the stopper 28 is fitted into one of the two grooves 42 formed adjacent to the inner opening 44 of the three grooves 42.

When changing the roll screen from the ceiling 50 to the wall 51 or from the wall 51 to the ceiling 50, the opening 4
Since the direction of 4 is shifted by 90 degrees, it is necessary to change the direction of the wheel cover 24. In this method, the stopper 28 fitted in the groove 42 is pushed in the direction of the side plate 12 with a finger or the like, the stopper 28 is removed from the wheel cover 24, and the stopper 28 is rotated 90 degrees so that the opening 44 of the wheel cover 24 faces directly below. The groove 4 formed at this position
2 is fitted with a stopper 28.

In the above embodiment, the groove 4 of the wheel cover 24
Although 2 is formed at 90-degree intervals, it can be formed at a predetermined angle such as 30-degree intervals or 45-degree intervals depending on the angle of the wall 51 or the like to be mounted.

[0013]

As described above, in the roll screen of the present invention, a stopper pressed by a spring is fitted in one of a plurality of grooves provided in the wheel cover. By pushing the wheel cover in the direction of the side plate with a finger or the like, the wheel cover is easily detached from the groove, and the wheel cover becomes rotatable around the support shaft of the winding pipe . Thus, when the mounting angle of the roll screen is changed, the wheel cover can be easily rotated so that the opening is directed downward, and the wheel cover is again stopped.
The wheel into one of the grooves on the wheel cover.
And by, Ru can be used to secure the wheel cover.
Further, it is not necessary to rotate the wheel cover with force against the force holding the wheel cover at that position or to pull the winding pipe apart from the side plate. Accordingly, it is not necessary to reach into a narrow space between the side plate, the winding pipe, the ceiling, and the like in order to hold the wheel cover. In addition, since it is not necessary to rotate the wheel cover by grasping it or to rotate it by the moment when the operation cord is pulled, the wheel cover can be reduced in size and the appearance can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall view showing a roll screen of the present invention.

FIG. 2 is an exploded perspective view from an end of a winding pipe on a side where a ball chain is provided to a side plate.

FIG. 3 is a cross-sectional view from an end of a winding pipe on a side where a ball chain is provided to a side plate.

FIG. 4 is a view showing the roll screen attached to the ceiling in a section taken along line 4-4 in FIG. 3;

FIG. 5 shows the roll screen mounted on the wall as 4 in FIG.
FIG. 4 is a view shown in a cross section. Reference Signs List 10 Set frame 12 Side plate 14 Winding pipe 16 Screen 20 Ball chain (operation code) 22 Wheel 24 Wheel cover 26 Stopper holder 28 Stopper 42 Groove 44 Opening 48 Spring

Claims (1)

(57) [Scope of request for utility model registration] 1. A winding pipe having both ends rotatably supported by side plates provided at both ends of a set frame, a screen having one end connected to the winding pipe and capable of being wound or unwound therewith, provided on one end side of the winding pipe is supported by the support shaft of the winding pipe Rutotomoni
A rotatable wheel integrally with the winding pipe, a rotary drivable operation code this with wound around the wheel, the support shaft of the winding pipe so as to cover the wheel periphery
A wheel accommodating wheel cover having an opening for the operation code drawer while being supported, the wheel cover by being fitted into any one of a plurality of grooves formed on the outer periphery of the wheel cover the Winding
A stopper fixed to an arbitrary position among a plurality of positions around the support axis of the pipe, a stopper holder supporting one end of the stopper and attached to the side plate, and a spring constantly pressing the stopper in the direction of the wheel cover. A roll screen comprising: