Rolling curtain

A roll-up blind, together technology, applied in the field of curtains, can solve the problems of spring damage, increase the manpower of the curtain cloth, etc., and achieve the effect of convenient use.

Inactive Publication Date: 2010-07-28
朱晓荧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of roller blind can roll the released curtain cloth back on the curtain cloth reel by the turning force of the spring without manual labor when the curtain cloth is rolled up, because the turning force of the spring is obtained by using the time when the curtain cloth is released Obtained, when the opened curtain cloth is very long, very large and heavy, as the released curtain cloth is larger, the rebound force obtained by the spring is also larger, and the turning force required to release the curtain cloth is also larger, In this way, it not only increases the manpower required to release the curtain cloth, but also easily exceeds the rotational force that the spring can bear, causing the spring to be damaged.

Method used

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Embodiment Construction

[0016] Now in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0017] As shown in the figure, the present invention consists of a rotating device 2 arranged on a frame 1, a clutch device 3 connected with the rotating device 2, and a curtain cloth reel 4 connected with the clutch device 3.

[0018] The clutch device 3 is composed of a tube 3a connected in the curtain fabric reel 4 and an active tube 3b driven by the rotating device 2. The opposite ends of the tube 3a and the active tube 3b are provided with teeth 3c that mesh with each other. The frame 1 is connected with The shaft 5 is provided with a one-way rotating device 6, the active tube 3b is connected to the one-way rotating device 6, the outer surface of the active tube 3b is provided with a groove 3b1, and the direction C of the groove 3b1 deviates from the axis A of the active tube 3b The rotating disk 2a on the rotating device 2 is set on the active pipe 3...

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Abstract

The present invention relates to a roller blind. It is characterized by that it is made up by using turning device set on the machine frame, engagement and disengagement device connected together with said turning device and blind fabric spool connected together with engagement and disengagement device.

Description

Technical field: [0001] The invention relates to a curtain. Background technique: [0002] The existing roller blinds that can automatically roll up the curtain cloth without manual work, when the curtain cloth is put down, a rotating mechanism drives the curtain cloth reel to rotate, and the curtain cloth wound on the curtain cloth reel is released. Simultaneously, rotate the spring arranged in the curtain fabric reel to make the spring have a tendency to turn. Once the curtain fabric needs to be turned back to the curtain fabric reel, it is only necessary to make the curtain fabric reel and the spring in a free state, and the curtain fabric reel Just under the effect of the turning force of spring, curtain cloth is turned back on the curtain cloth reel. Although this kind of roller blind can roll the released curtain cloth back on the curtain cloth reel by the turning force of the spring without manual labor when the curtain cloth is rolled up, because the turning force o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E06B9/40E06B9/56
Inventor 朱向荣
Owner 朱晓荧
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