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Curtain body braking mechanism of curtain without pulling rope

A braking mechanism and rope-free technology, applied in the directions of windows/doors, building components, building structures, etc., can solve the problems affecting the smoothness of the curtains and the unsatisfactory reliability of the one-way tensioning mechanism.

Active Publication Date: 2016-11-23
陈金福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this known patent, the actuation accuracy of the one-way tensioning mechanism is not ideal, which will inevitably affect the smoothness of the curtain in the unfolding and retracting process.

Method used

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  • Curtain body braking mechanism of curtain without pulling rope
  • Curtain body braking mechanism of curtain without pulling rope
  • Curtain body braking mechanism of curtain without pulling rope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] see first Figure 5 , the curtain body braking mechanism 12 of the present invention is mainly used in conjunction with a cordless curtain 10. The cordless curtain 10 shown in the figure includes an upper beam 14, a lower beam 16, and an upper beam 14 and a lower beam 16. The curtain body 18 in between. see again figure 1 and figure 2 , the curtain body braking mechanism 12 of the present invention includes a winding unit 20 , a one-way clutch unit 30 , and two pairs of transmission ropes 40 .

[0018] like figure 2 and image 3 As shown, the retracting unit 20 has a base 21 , two coil spring wheels 22 , a coil spring 23 , and two rope retracting wheels 24 . The base 21 has a top plate 212 and a bottom plate 214; the coil spring wheels 22 are rotatably arranged on the base and are engaged with each other; both ends of the coil spring 23 are respectively connected to the coil spring wheels 22, so that the two coil spring wheels 22 It can be rotated synchronously ...

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Abstract

The invention provides a curtain body braking mechanism of a curtain without a pulling rope. Motion of a transmission rope is controlled mainly by a one-way clutch unit. The one-way clutch unit is provided with a wheel shaft base, a wheel shaft, a clutch wheel and two planetary gears. The wheel shaft is fixed to the wheel shaft base and provided with two spaced brake blocks, a rolling groove is formed between the two brake blocks, the clutch wheel is arranged on the wheel shaft in a sleeving and rolling mode and provided with an inner annular tooth part, the inner annular tooth part surrounds the peripheries of the two brake blocks, and the planetary gears are arranged in a brake groove of the wheel shaft and meshed with the inner annular tooth part of the clutch wheel in a rolling mode, so the planetary gears are driven by the inner annular tooth part of the clutch wheel and clamped with or separated from the brake blocks of the wheel shaft. Thus, when the planetary gears are clamped to the brake blocks, the transmission rope cannot be stretched, and positioning of a curtain body is finished.

Description

technical field [0001] The present invention relates to cordless curtains, in particular to a curtain body braking mechanism for cordless curtains. Background technique [0002] Generally, curtains can be divided into drive rope type and non-drive rope type in structure. Among them, the drive rope type curtain mainly uses a drive rope to drive the curtain body to unfold or fold, while the non-drive rope type curtain is the Use the hand to exert the force of pulling down or pushing up the lower beam, so that the curtain body can achieve the effect of unfolding or folding. [0003] As far as the known technology of the cordless curtain is concerned, for example, US Patent No. 7,025,107 uses a one-way tensioning mechanism to control the actuation of the first and second drive cords. When the curtain is unfolding, the one-way tensioning The mechanism will be driven to the disengaged position by the first and second transmission ropes. At this time, the first and second transmis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B9/322
Inventor 陈柏宇
Owner 陈金福
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