Double-back-waist height adjusting structure

A technology of height adjustment and back waist, applied in the field of double back waist height adjustment structure, can solve the problems of unable to automatically adjust the angle, unable to follow the sitting posture to stretch back and forth, etc., to achieve the effect of improving convenience and practicability

Pending Publication Date: 2021-03-30
ZHONGSHAN MEISIHE FURNITURE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a double back waist height adjustment structure to solve the problem that the traditional device proposed in the above background technology cannot automatically adjust the angle during use and cannot stretch back and forth following the sitting posture

Method used

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  • Double-back-waist height adjusting structure
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  • Double-back-waist height adjusting structure

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1-5 , an embodiment provided by the present invention:

[0018] A double-back waist height adjustment structure, including a device main body 100, a rotating mechanism 200, the device main body 100 includes a chair back 110, a latch 111, a limit spring 112, a waist pad height adjustment positioning block 113, a height adjustment fixing block 114, a waist pad Heightening control block 115 and waist heightening fixed block screw 116, the insi...

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Abstract

The invention relates to the technical field of seat accessories, in particular to a double-back-waist height adjusting structure which comprises a device body and a rotating mechanism, the device body comprises a chair back, a plug pin, a limiting spring, a waist pad height adjusting positioning block, a height adjusting fixing block, a waist pad height adjusting control block and a waist heightadjusting fixing block screw, and the plug pin is arranged in the chair back; the plug pin penetrates through the limiting spring, the limiting spring is arranged in the waist pad height adjusting positioning block, the limiting spring is embedded into the waist pad height adjusting positioning block, the waist pad height adjusting positioning block is connected with the waist pad height adjustingcontrol block in a clamped mode, and the waist pad heightening positioning block and the waist pad height adjusting control block are embedded into the height adjusting fixing block. And the height adjusting fixed block is in threaded connection with the chair back through a waist height adjusting fixed block screw. The structure is simple in structure, the waist angle can be automatically adjusted, the waist supporting structure can be stretched forwards and backwards according to the office state of a human body, and convenience and practicability of the structure are improved.

Description

technical field [0001] The invention relates to the technical field of seat accessories, in particular to a double-back waist height-adjusting structure. Background technique [0002] With the continuous development of the office seat production industry, the seat accessories have also been continuously developed. The existing seats have different structures according to different usage scenarios. Backrests are provided to help people sit comfortably, so it can be seen that the existing seats have basically met the needs of people, but there are still the following problems. [0003] During the use of traditional devices, the lumbar support of the seat back cannot automatically adjust the angle, and it cannot be stretched back and forth according to people's working conditions, which reduces people's experience and the practicability of the device. A kind of double-back waist height-adjusting structure solves the problems referred to above. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/46
CPCA47C7/462
Inventor 郭丽夷
Owner ZHONGSHAN MEISIHE FURNITURE CO LTD
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