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Non-stay-cord venetian blind

A technology without drawstrings and louvers, applied in the direction of shading screens, etc., can solve the problems of inconvenient use and complex structure, and achieve the effect of beautiful use, increased safety, and simple structure

Inactive Publication Date: 2013-12-18
广州丰鼎家具装饰有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of the existing cordless blinds is that the angle of the blinds still needs to be adjusted by manually rotating the blinds adjusting mechanism to pull the ladder rope, which is complex in structure and not convenient enough to use

Method used

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  • Non-stay-cord venetian blind
  • Non-stay-cord venetian blind
  • Non-stay-cord venetian blind

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] refer to Figure 1-Figure 9 , the invention discloses a cordless blind, comprising:

[0033] upper rail (eg figure 2 ), including a groove-shaped top box 6 and a shrapnel pull rope mechanism 1 fixedly arranged in the top box 6 and two runner seat groups 2, and the two runner seat groups 2 are respectively fixed at both ends of the top box 6 Nearby (reasonably arranged according to the length of the louvers), the shrapnel pull cord mechanism 1 is fixed between the two runner seat groups 2 in the top box 6, and the bottom of the groove of the top box 6 has a pull cord hole at the runner seat group 2 positions.

[0034] The lower rail 7 is a metal groove that is equal in length and aligned with the top box 6, and the middle part of the lower rail 7 is provided with an operating handle 71.

[0035] The blade group includes a ladder rope 4 and a plurality of blades 8 equal in length to the top box 6. The upper and lower ends of the ladder rope 4 are respectively connected...

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Abstract

The invention discloses a non-stay-cord venetian blind which comprises an upper rail, a lower rail, a blade set and a stay cord. The upper rail comprises a groove-shaped top box, an internal spring plate stay cord mechanism and more than two rotating wheel seat sets; each rotating wheel seat set comprises a rotating wheel seat and a rotating wheel; each rotating wheel seat is a rectangular shell with upper and lower openings; both side walls of each rotating wheel seat are provided with shaft seats; each rotating wheel is provided with a stay cord groove and a wedge-shaped ladder rope groove; both ends of the rotating wheels are provided with rotating shafts; the rotating wheels are arranged in the corresponding rotating wheel seats by the rotating shafts; the blade set comprises a plurality of blades which have equal lengths to the upper rail and are connected at intervals by a ladder rope; each blade is provided with through holes; the stay cord passes through rope holes of the rotating wheel seat sets to enter the rotating wheels, is steered by a stay cord steering pin, bypasses the stay cord grooves of the rotating wheels, penetrates through the lower openings of the rotating wheel seats and stay cord holes of the upper rail and then penetrates through the through holes of each blade to be connected to the lower rail; the upper end of the ladder rope penetrates through the stay cord holes of the upper rail and the lower openings of the rotating wheels to be hung in the wedge-shaped ladder rope grooves of the rotating wheels. The non-stay-cord venetian blind has the characteristics of simple structure, safety, attraction and convenience for use.

Description

technical field [0001] The invention relates to a blind, in particular to a blind without a drawstring. Background technique [0002] Drawstring-free blinds are more and more popular due to their ease of use. There are many types of cordless blinds on the market, such as the utility model patent disclosed by the publication number CN202611547U, which discloses a retracting device for cordless blinds, which includes a separate wire wheel for winding the cord , one end of the pull cord is connected to the base of the blind body, the other end is fixedly connected to the wire reel, the wire reel is fixedly connected to the capstan wheel with the scroll spring installed, the inner side of the scroll spring is fixed on the capstan wheel, and the outer side is fixed on the secondary guide on wheels. [0003] Existing blinds without drawstrings can realize the automatic lifting of the blinds through the similar publication number CN202611547U "No drawstring blinds retracting devi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B9/28E06B9/38
Inventor 陈鹤雄
Owner 广州丰鼎家具装饰有限公司
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