Leaning back type chair frame capable of locking backrest in using state

A technology of backrest frame and state, applied in the field of reclining chair frame, can solve the problems of causing accidents, lack of locking mechanism, backrest toppling, etc., and achieve the effect of avoiding accidents

Active Publication Date: 2013-10-23
ZHEJIANG BOTAI FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the backrest lacks a locking mechanism when it is in use, and when it is accidentally bumped by someone, the backrest is prone to tipping over, causing accidents

Method used

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  • Leaning back type chair frame capable of locking backrest in using state
  • Leaning back type chair frame capable of locking backrest in using state
  • Leaning back type chair frame capable of locking backrest in using state

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 The reclining chair frame whose backrest can be locked when it is in use includes a seat cushion frame 1, an armrest 3 and a backrest frame 6, the armrest 3 is composed of a crossbeam 7 and a column 10, the front part of the crossbeam 7 and the The upper part of the column 10 is provided with a connecting pin 9 for flexible connection, and the lower part of the column 10 is provided with a connecting block 12 and a pin shaft 11 to be movably connected to both sides of the cushion frame 1, and the rear part of the crossbeam 7 is provided with a connecting block 12 It is movably connected with the toggle pin 5 on both sides of the middle part of the back frame 6; the seat cushion frame 1 is provided with a connecting frame 2, and the upper part of the connecting frame 2 is provided with a connecting block 12 and the rotating pin 4 is movably connected to the back frame 6 The ...

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PUM

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Abstract

The invention discloses a leaning back type chair frame capable of locking a backrest in a using state. The leaning back type chair frame comprises a seat cushion frame, an armrest and a backrest frame, wherein the armrest consists of a cross beam and a stand column; the front of the cross beam and the upper part of the stand column are respectively provided with a connecting pin, and the two connecting pins are movably connected with each other; the lower part of the stand column is provided with a connecting block and a pin shaft which are movably connected at the two sides of the seat cushion frame; the rear part of the cross beam is provided with a connecting block and a toggle pin which are movably connected at the two sides of the middle part of the backrest frame; the seat cushion frame is provided with a connecting rack; the upper part of the connecting rack is provided with a connecting block and a rotating pin which are movably connected at the two sides of the middle lower part of the backrest frame; a connecting block and a locking pin are respectively arranged at the lower parts of the two sides of the backrest frame; a locking groove corresponding to the locking pin is formed in the inner side of the middle part of the connecting rack, a sliding locking piece and a compression spring are arranged at the inner side of the middle part of the connecting rack; the sliding locking piece is connected with a toggle handle arranged at the outer side of the connecting rack. The leaning back type chair frame has the beneficial effect that the backrest can be locked in the using state, so that accidents caused by the toppling of the backrest can be avoided.

Description

technical field [0001] The invention relates to a seat frame, in particular to a reclining chair frame with a backrest that can be locked in use. Background technique [0002] Chair is widely used as the seat tool of people's work, life, obtains people's general approval and liking. A chair is generally composed of a chair foot, a seat cushion, an armrest, and a backrest. In order to save transportation and storage costs, in the prior art, the backrest is designed as a structure in which the backrest can be tilted. The disadvantage is that the backrest lacks a locking mechanism when it is in use, and when it is accidentally bumped by someone, the backrest is prone to tipping over, causing accidents. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, to provide a reclining chair frame with a backrest that can be locked when in use, so as to avoid accidents caused by the backrest tipping over. [0004]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/00A47C7/40A47C7/54A47C7/02
Inventor 周新
Owner ZHEJIANG BOTAI FURNITURE
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