JPH0145352Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a simple roll blind that is removably attached to a building window or an automobile window and used as a sunshade.

Conventionally, a simple roller blind such as the one shown in FIG. 1 has been used, which has a simple structure and can be attached to and removed from a window. That is, the roll blind in the figure includes a core material 21 for winding formed from a pipe or the like, and a core material 21 for winding.
1 is bent into a substantially U-shape, and both ends thereof are bent into a substantially U-shape.
The frame rod 23 inserted therein and the core material 21
Extension piece 2 on one side of frame rod 23 extended inside
3a, and has one end hooked to the left bush 22 and the other end hooked to the frame rod 23, and a winding sheet 25 wound around the outer periphery of the core material 21. is formed,
A suction cup 25 fixed to the center of the core material 21 is attached to a wall or the like in the room, and by pulling the winding sheet 25, the core material 21 and the bush 22 rotate, the coil spring 24 is tightened, and the sheet 25 is wound. The collection was done automatically. As described above, since the conventional roll blind rotatably supports the core member 21 by the extension piece 23a of the frame frame 23 that supports the coil spring 24, the rotation support shaft of the core member 21 and the frame are integrated. ing. For this reason, conventional roll blinds have had the following problems.

Although different material strengths are required for the frame and the rotational support shaft, it is not possible to obtain strengths commensurate with each other, and it is also difficult to obtain straightness of the rotational support shaft, resulting in unstable winding operation.

Since the frame and core material form a closed space, it is difficult to wind the winding sheet around the core material for the first time, making assembly work troublesome.

Even if only the frame is deformed, the entire structure including the rotating shaft must be replaced, which is uneconomical.

When attempting various designs such as weight reduction by changing the materials of the frame and the rotating shaft, the design range is limited because these two members are integrated.

The present invention has been made in view of the above circumstances, and provides a roll blind that has the necessary material strength, fewer failures, stable operation, is easy to assemble, and has an expanded degree of freedom in design. The purpose is to

In order to achieve the above object, the roll blind according to the present invention rotatably supports a piece member that rotates by the spring force and winds the winding sheet in a roll blind that winds up the winding sheet using the rotational force of a spring. It is characterized by comprising a shaft and support members that are attached to both ends of the shaft and suspend the shaft.

Hereinafter, one embodiment of the present invention will be described in detail with reference to FIG. 2 showing a front view and FIG. 3 showing a side view.

In these figures, reference numeral 1 denotes a shaft formed of a small-diameter pipe or the like, and slits 6, 6 in the axial direction are formed at both ends. Further, reference numeral 7 denotes a supporting member whose left and right sides are bent into a U-shape, and whose tip portions 8, 8 are bent inward, and these tip portions 8, 8 are connected to the slits 6, 8 of the shaft 1.
6 and is press-fitted into the shaft 1, thereby suspending the shaft 1 so as not to rotate. In this suspension, the U-shaped bent portion 9 is attached to the suction cup 1.
This is done by inserting the suction cups 10, 10 into the bases 10a, 10a of the 0, 10, and attaching the suction cups 10, 10 to the wall inside the room or the car, as appropriate. Further, the shaft 1 is press-fitted into both ends by the elastic force formed by the left and right U-shaped bent portions 9, 9, thereby making it extremely easy to engage the shaft 1 and the support member 7. Bridge members 3 and 5 are attached to the left and right sides of the shaft 1 suspended by the support member 7 in this manner. The bridge members 3 and 5 are made of rubber, hard synthetic resin, lightweight alloy, or the like, and are rotatably inserted into the shaft 1 to wind up the winding sheet 12 and as described later. Withdrawals are now possible. In this case, the left and right bridge members 3 and 5 are both inserted inward in the axial direction of the shaft from the engagement portion with the support member 7, and their rotation is caused by the support member 7.
It is designed to be carried out smoothly without contact with other people. Then, the upper end portion of the winding sheet 12 is stretched over the left and right bridge members 3 and 5 and fixed by pasting or welding, and the upper end portion is attached to the outer periphery of the bridge members 3 and 5 one or more times. After being wound, the winding core 1
2a is formed. The lower end 12b of this winding sheet 12 is sewn into a bag shape, and a reinforcing rod 13 to which a suction cup 14 is attached is inserted inside.
Since the upper end portion is wound to form the core portion 12a for winding, there is no need to separately attach a core material for winding, and the structure is simplified. on the other hand,
A coil spring 2 is fitted onto the shaft 1 and serves as a driving source during winding. This coil spring 2
The right end portion 2a of the winding sheet 12 is hooked to the shaft 1, while the left end portion 2b is inserted and hooked into a cylinder 4 fixed to the arbor portion of the left piece member 3. Torque for winding up the sheet is generated by the rotation of the bridge member 3 as it is pulled out. In this case, the left end portion 2b of the coil spring 2 may be directly hooked to the left bridge member 3 without attaching the cylindrical body 4.

This embodiment configured as described above is used with the sheet 12 wound by applying an initial winding torque to the coil spring 2 and assembling each member. The upper end is wound to form a winding core, so there is no need to assemble a core material for sheet winding, and the engagement between the shaft 1 and the support member 7 can be simply press-fitted. This makes the work easier.
In addition, since the shaft 1 is attached to pass through the sheet 12 in the left-right direction when winding and pulling out the sheet, the operation is smooth, the sheet can be wound well, and the strength is improved. , it is possible to reduce failures.

Note that the present invention is not limited to the above-mentioned embodiments, and can be modified in various ways. For example, the bridge member may have two parts on the left and right
Not only can it be installed individually, but also in the axial direction of the shaft.
The support member may be disassembled left and right to form two pieces.Furthermore, the support member and both ends of the shaft may be engaged not only by press-fitting but also by pinning, welding, etc. You can also do it with Furthermore, without attaching the suction cup, it may be attached to a wall or the like using another hanging member such as a hook or Velcro tape, and in these cases, the same effect as in the above embodiment can be obtained.

Therefore, as explained above, according to the present invention,
It is possible to provide a roll blind that has a simple structure, is easy to assemble, and allows smooth winding and pulling out of sheets. In addition, since the support member and shaft are constructed separately, each member is made of a material with a strength appropriate for each member, and the shaft also has sufficient straightness, resulting in a roll blind that is less likely to break down and ensures stable operation. is obtained.

Furthermore, since the supporting member and the shaft are constructed as separate bodies, the initial winding of the winding sheet onto the piece member is easy and assembly is convenient, and the supporting member is constructed of plastic or light metal to reduce weight. This also brings about various practical effects, such as expanding the design range.

[Brief explanation of the drawing]

FIG. 1 is a front view of a conventional example, FIG. 2 is a front view of an embodiment of the present invention, and FIG. 3 is a side view thereof. 1...Shaft, 2...Coil spring, 3, 5...
...Block member, 7... Support member, 12... Winding sheet.

Claims (1)

[Scope of Utility Model Registration Claim] In a roll blind that winds up a sheet to be taken up by the rotational force of a spring, there is provided a shaft that rotatably supports a piece member that rotates by the force of the spring and winds up the sheet to be taken up; A roll blind characterized by comprising a support member that is attached to both ends and suspends a shaft.