JP4774233B2 - Roll screen device - Google Patents

Description

  The present invention relates to a roll screen device that lifts and lowers a screen that is wound around a winding shaft (roll), and more particularly, to a roll screen device that uses a plurality of screens connected through joint pieces.

  In general, a roll screen device is a winding mechanism in which a roller is rotatably supported on a frame, a base end portion of the screen is connected to the roller, and the roller is wound around the roller by a winding means such as a spring. I try to take it. This type of roller screen is used as an awning curtain covering a window, and the roller is placed above the window frame to wind up the screen, thereby opening the window cover and resisting the spring of the winding means. The window can be covered by pulling out the tip of the roller from the roller.

  In the conventional roll screen device described above, the screen is wound around the roller, so the shaft support portion of the roller is the outer portion of the width of the screen. Therefore, the width of the screen depends on the width of the roller as the winding shaft. It was restricted. As a result, when a roll screen device is attached to a window having a large width, it is necessary to attach a plurality of rollers, and there is a problem that a gap is generated between adjacent screens and the window cannot be completely covered. . In particular, when installing the entire interior of a rectangular room, covering the entire periphery of a solid body, or forming a clean booth, there is a problem that gaps are inevitably generated at the four corners.

  In order to solve this problem, a roll curtain device as shown in Japanese Patent Laid-Open No. 5-161535 is known. This roll curtain device rotates a plurality of rollers rotatably supported on a frame, a plurality of sheets whose end portions are connected to the rollers and whose side portions are adjacent to each other, and the rollers. Winding means for winding the sheet on each roller, engagement portions provided on side portions adjacent to each other of the plurality of sheets, and engaging each other to connect the side portions of the sheets; and When the adjacent engaging portions provided on the frame are allowed to pass through, and the respective engaging portions are engaged with each other when each sheet is pulled out from the roller, the respective sheets are wound around the roller. Engagement separation means for separating the engagement portion is provided. With such a configuration, the winding function cannot be installed. Moreover, since the angle of the connecting portion of the adjacent screens to be connected cannot be freely changed, there is a drawback that winding cannot be performed smoothly.

JP-A-5-161535

However, in the roll curtain device of Patent Document 1 described above, the sheets are connected to each other with a fastener, but this is merely disclosed as an idea. With such a structure, the sheet can be wound smoothly. The interior of the winding mechanism is difficult. Further, the fastener attaching portion is thicker than the seat portion. Therefore, when the roller 22 is wound, as shown in FIG. 8, only the fastener portion 24 is larger in the radial direction than the sheet 23, so that the winding balance is deteriorated and the winding mechanism is broken. It was.

  Further, in the above-described roll curtain device of Patent Document 1, in accordance with the shape of the frame, the roll curtain device is fixed to a right angle bracket so that the angle between adjacent rollers is 90 degrees. Since the connecting angle is fixed at 90 degrees, the degree of freedom of the angle is lost, and there is a possibility that an excessive force is applied to the fastener part to be connected to cause damage.

  The present invention has been made in view of the above-described conventional problems. Even when a plurality of sheets are used, a gap is not generated between the sheets, and the angle between the sheets can be freely changed. It is an object of the present invention to provide a roll screen device that eliminates the cause of failure of the winding mechanism without causing unwinding of the winding by uniform winding.

In order to solve the above problems, the present invention provides a roller whose both ends are rotatably supported on a winding case, a screen having a proximal end fixed to the roller and wound, and a screen provided with a fastener on the side. A joint piece provided with a fastener on the side for connecting the screen, a guide sheet fixed to the roller at the base end side and wound around the roller together with the screen, and the roller driven to rotate. Winding means for winding a screen on a roller, and the width of the guide sheet is narrower than the width of the screen wound on the roller and formed to a width excluding the fastener portion of the screen, and The guide sheet is attached to an inner position excluding the fastener portion of the screen on the roller, and is a screen fastener wound around the roller. While correcting the thickness portion, and is characterized in that the winding at all times horizontally the screen.

Further, the present invention is characterized in that the joint piece is separable by providing a fastener portion at a central portion of the joint piece.

In addition, the present invention provides that the guide sheet has a thickness of 2.5 to 3.5 mm in order to wind the screen in parallel in parallel even if the height of the guide sheet is high. It is characterized in that it is formed in a length that can be accommodated inside the case.

Further, according to the present invention, a joint piece in which the fastener portion is provided on both side edge portions is arranged between a plurality of adjacent screens to connect the screens, and the connection angle from a plane to a right angle is adjusted by the joint pieces. It is possible to provide a plurality of rollers having a screen and can be connected.

Furthermore, the present invention is characterized in that the guide sheet is fixed around the surface of the roller around which the screen is wound.

  According to the present invention, a plurality of winding shafts (rollers) are installed on a frame suspended from the ceiling, and adjacent screens fed out from the rollers are connected by the joint piece at the corner portion, so that they are reliably adjacent. The screens can be connected to each other, and the joint piece is a flexible fabric similar to the screen. Therefore, the screens can be connected to each other without any gap, and this connection angle can be connected at any angle. There is no need for a fastener separation device or the like in the winding case.

  Further, according to the present invention, since the guide sheet is attached to the roller surface portion excluding the fastener portion of the screen, the diameter of the portion excluding the fastener portion and the fastener portion is substantially the same in the winding state. Thus, the roll can be wound in a well-balanced manner, and the cause of the failure of the winding mechanism of the roll screen device can be eliminated.

The best mode of the roll screen device according to the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing the entire roll screen apparatus of the present invention applied to a clean booth, FIG. 2 is a partially broken perspective view showing the main part of the roll screen apparatus of FIG. 1, and FIG. 3 is the roll screen of FIG. FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3, FIG. 5 is a perspective view showing a use state of the roll screen device of FIG. 1, and FIG. 6 is a winding of the roll screen device of FIG. 7 is a front view for explaining the initial state, FIG. 7 is a front view for explaining the end state of the roll screen device of FIG. 1, and FIG. 9 is another embodiment of the roll screen device. FIG. 10 is a schematic view of another embodiment of a joint piece used in the present invention.

  An embodiment of a roll screen device according to the present invention will be described in the case of forming a simple clean booth. 1 and 2, the roll screen device is used as a partition screen that forms a simple clean booth 12. In this clean booth 12, a winding case 1 of a roll screen device is attached to a frame 10 suspended from a ceiling. The screen 3 housed in the winding case 1 is internally provided. The screen 3 is pulled out from the winding case 1 and the joint piece 7 is connected to the fastener portion 4 provided on the side edge and the other screen is connected. 3 fastener portions 4 are connected. Similarly, a plurality of screens 3 are connected to surround the periphery. In the case of the clean booth 12, a little gap is left at the lower end portion of the screen 3.

  As shown in FIGS. 3 and 4, the roll screen device includes a roller 2 that is rotatably supported on a winding case 1, and a screen 3 that is wound around the roller 2 with its proximal end fixed. A fastener portion 4 as a coupling means is provided on a side portion of the screen 3, a proximal end side is fixed to the roller 2, and a guide sheet 5 wound around the roller 2 together with the screen 3, and the roller 2 is driven to rotate. Winding means 6 for winding the screen 3 around the roller 2, and the guide sheet 5 is attached to the roller 2 except for the fastener portion 4 of the screen 3. The guide sheet 5 may be configured to curl when released from the wound state.

The winding case 1 accommodates a winding mechanism of a roll screen device inside, and rotatably supports the roller 2 by bearings (not shown) at both ends 1a and 1b. An entrance / exit 1c for the screen 3 is formed below. The roller 2 on which the bearing portions 2a and 2b are rotatably supported by the frame 10 is a shaft formed in a cylindrical shape from metal, and the base end sides of the screen 3 and the guide sheet 5 are placed at predetermined positions on the surface. It can be attached.

The screen 3 is a sheet on which various materials and patterns are formed according to various applications, and fastener portions 4 for coupling to the adjacent screen 3 are provided at both ends. When using this screen 3, as shown in FIG. 2 or FIG. 5, is to use a fastener portion 4 of the joint piece 7 forming combined and. Further, as shown in FIG. 3, a winding means 6 for winding the curtain sheet 3 is attached to the end of the roller 2, and includes a winding spring (not shown) and a winding by the winding spring. A known ratchet mechanism for stopping the taking operation at an arbitrary position is provided.

The guide sheet 5 is a sheet formed from a synthetic resin plate, and has a curled plate thickness of 2.5 to 3.5 mm. The guide sheet 5 does not curl well if it is too thick or too thin. The guide sheet 5, as shown in FIG. 4, are set to a length that surrounds substantially the periphery of the low La 2, it is secured to the surface of the low La 2. The length is such that the open end does not protrude from the winding case 1 . Further, as shown in FIG. 3, the width of the guide sheet 5 is set to a width excluding the fastener portions 4 at both ends from the width of the screen 3.

  The joint piece 7 is made of a cloth having flexibility similar to that of the screen 3, and fastener portions 8 are provided at both side edges so that the joint piece 7 can be connected to the adjacent screen 3. The length of the joint piece 7 can be freely changed, and the width can also be freely changed. For example, it is about 3500 mm. When the joint piece 7 is connected to the screen 3, fasteners are mounted on the upper and lower sides, and when used in a clean booth 12 or the like, the lower fastener is separated to facilitate entry and exit. Moreover, as other embodiment, a fastener can be attached to the center part of the joint piece 7, and it can be made separable. With such a configuration, when the clean booth 12 is formed, it is possible to enter and exit by opening the fastener at the center of the joint piece 7 at the corner.

As shown in FIG. 6, the roll screen device configured in this manner has the screen 3 and the guide sheet 5 overlapped at the beginning of winding, and the guide sheet 5 is slightly thicker than the fastener part 4. The portions other than 4 are slightly thicker than the fastener portion 4. However, at the end of the winding, as shown in FIG. 7, the fastener portion 4 overlaps, so that the portions other than the fastener portion 4 are the same. Therefore, unbalance does not occur even during winding , and the screen 3 can be wound up horizontally and smoothly wound up. Therefore, no failure occurs in this roll screen device.

  When the clean booth 12 is configured using the roll screen device configured as described above, as shown in FIG. 1, first, the frame 10 is suspended from the ceiling and attached to an arbitrary place. Then, the winding case 1 is attached to a predetermined position of the frame 10. A filter device (not shown) having an air outlet is disposed on the frame 10. Further, when the screen 3 is pulled out from the winding case 1 and the joint piece 7 is attached to the adjacent screen 3 by the fastener portion 4, it is completed. In this case, there is a gap at the lower edge of the screen 3 so that internal air is discharged.

In addition, the roll screen apparatus of this invention can make the room of various forms, as FIG. 9 shows. The present invention is not limited to the above-described embodiment, and various modes are of course possible within the scope of the claims.
FIG. 10 shows another embodiment of the joint piece 7, and a fastener portion 15 is disposed in the center portion so as to be separable. The opening and closing of the fastener portion 15 makes it easy to enter and exit the clean booth 12.
In addition, 13 is a fastener stopper and 14 is a fastener pulling tool.
For example, the coupling means is not limited to a fastener, and naturally a hook-and-loop fastener or the like can be used.

FIG. 1 is a perspective view showing a clean booth using the roll screen device of the present invention. It is a partially broken perspective view which shows the principal part of the roll screen apparatus of FIG. It is a partially broken front view which shows the whole roll screen apparatus of FIG. It is AA sectional drawing of FIG. It is a perspective view which shows the use condition of the roll screen apparatus of FIG. It is a front view explaining the initial state of winding of the roll screen apparatus of FIG. It is a front view explaining the winding end state of the roll screen apparatus of FIG. It is a perspective view explaining the problem of the conventional roll screen apparatus. It is a schematic plan view of other embodiment of the roll screen apparatus of this invention. It is the schematic of other embodiment of the joint piece used for this invention.

1 winding case 1a end 1b ends 1c doorway 2 roller 2a bearing portion 2b bearing part 3 screen 4 fasteners portion 4a fastener 5 guide sheet 6 winding means 7 joint piece 8 fastener portion 10 frames <br/> 12 clean booth 13 Fastener stop 14 Fastener pull 15 Fastener part

Claims (5)

A roller whose ends are rotatably supported by a winding case;
A screen with a proximal end fixed to the roller and wound and provided with a fastener on the side; and
A joint piece provided with a fastener on the side to connect the screen;
A guide sheet having a proximal end fixed to the roller and wound around the roller together with the screen;
Winding means for rotating the roller to wind the screen around the roller, and
The width of the guide sheet is narrower than the width of the screen wound on the roller, and formed to a width excluding the fastener portion of the screen,
In addition, the guide sheet is attached to an inner position excluding the fastener portion of the screen on the roller, and always corrects the screen while correcting the thickness portion of the fastener portion of the screen wound on the roller. A roll screen device, wherein the roll screen device is wound horizontally . The joint piece is provided with a fastener portion at a central portion of the joint piece so as to be separable.
The roll screen apparatus according to claim 1 . The guide sheet is formed with a thickness of 2.5 to 3.5 mm in order to wind the screen horizontally and parallel even if the height is high, and the length of the guide sheet is stored inside the winding case. It is characterized by being formed to a length
The roll screen apparatus according to claim 1 or 2. A joint piece having the fastener portion provided on both side edge portions is arranged between a plurality of adjacent screens to connect the screens, and the joint piece is provided so that the connection angle from a plane to a right angle can be adjusted; and It is characterized in that a plurality of rollers equipped with a screen can be connected.
The roll screen apparatus as described in any one of Claims 1-3 . The guide sheet is fixed around the surface of the roller around which the screen is wound.
The roll screen apparatus as described in any one of Claims 1-4 .

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