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Mechanical large-inclination angle seat backrest-base plate linkage mechanism

A technology of linkage mechanism and large inclination angle, applied in chairs, reclining chairs, household appliances, etc., can solve the problems of limited comfort improvement, dead point of mechanical principle, and reduced service life of hydraulic locks/gas springs, etc., to improve riding comfort, The effect of improving reliability and simple structure

Pending Publication Date: 2017-05-31
湖北航宇嘉泰飞机设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some seats are designed with a linkage mechanism, that is, the seat back can be driven to move when the seat is moved. However, the comfort of the existing seat back is limited, and there are dead spots in the mechanical principle.
In addition, the existing linkage mechanism exists under the action of human body weight, even if the hydraulic lock / gas spring is not unlocked, the backrest will automatically return to the vertical state, thereby reducing the service life of the hydraulic lock / gas spring

Method used

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  • Mechanical large-inclination angle seat backrest-base plate linkage mechanism

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Embodiment Construction

[0011] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0012] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...

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PUM

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Abstract

The invention discloses a mechanical large-inclination angle seat backrest-base plate linkage mechanism which comprises a base plate component, a backrest and a backrest rotary shaft and a roller mounted on a fixed bearing, wherein the roller is arranged below the middle of the base plate component; the base plate component is placed above the roller and can slide relative to the roller; the backrest rotary shaft is fixedly arranged on the fixed bearing; the backrest sleeves the backrest rotary shaft and can rotate relative to the backrest rotary shaft; the base plate component is articulated with the backrest. In the mechanical large-inclination angle seat backrest-base plate linkage mechanism disclosed by the invention, the sitting comfort and product reliability are improved, and the phenomenon that the backrest automatically recovers to a vertical state under the effect of human body gravity is avoided.

Description

technical field [0001] The invention relates to the technical field of seat structures, in particular to a mechanical linkage mechanism for a back seat plate of a seat with a large inclination angle. Background technique [0002] At present, many seat backs can be adjusted in inclination angle, and people can adjust different angles to make themselves more comfortable to sit on. Also some seats are designed with a linkage mechanism, that is, when the seat board is moved, the seat back can be driven to move. However, the comfort of the existing seat back is limited, and there is a dead point in the mechanics principle. In addition, the existing linkage mechanism exists under the action of human body weight, even if the hydraulic lock / gas spring is not unlocked, the backrest will automatically return to the vertical state, thereby reducing the service life of the hydraulic lock / gas spring. Contents of the invention [0003] The main purpose of the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C1/032
CPCA47C1/03205A47C1/03294
Inventor 李端兵呙杰万子剑
Owner 湖北航宇嘉泰飞机设备有限公司
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