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Seat lifting adjusting mechanism

A lifting adjustment and seat technology, which is applied to seats, railway car body parts, transportation and packaging, etc., can solve the problems affecting the stability of the seat, so as to overcome the shaking of the seat, ensure the stability, and easily turn the handwheel Effect

Active Publication Date: 2016-07-13
CHENGDU CITY TIANLONG TRANSPORT EQUIP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a gap in the adjustment process of the existing train seat lift adjustment mechanism, which affects the stability of the seat

Method used

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Examples

Experimental program
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Embodiment Construction

[0027] The present invention will be further described below in conjunction with accompanying drawing.

[0028] Such as Figure 1-8 , a seat lift adjustment mechanism, including a worm gear 1, a worm 2, a helical rack 3 and a transmission mechanism.

[0029] Worm screw 2 is made up of tail end, middle end and front end, and tail end diameter is smaller than middle part and front end, and middle end diameter is smaller than head diameter, and tail end is provided with groove 24, and middle end is provided with limiting hole 25 near tail end, and front end Threads 26 are provided on the outer surface.

[0030] The transmission mechanism includes 2 worm spacers 20, 2 thrust needle roller bearings 7, 2 needle roller bearings 6 and a sleeve 19. The 2 needle roller bearings 6 are respectively arranged at both ends of the sleeve 19, and each needle roller bearing 6 The other end is adjacent to a thrust needle roller bearing 7 respectively, and the other end of each thrust needle ro...

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PUM

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Abstract

The invention discloses a seat lifting adjusting mechanism and relates to the field of traffic.The seat lifting adjusting mechanism comprises a turbine, a worm, a screw rack and a transmission mechanism.The turbine, the worm and the screw rack are matched with one another, and the transmission mechanism is installed on the worm.Compared with the prior art, the seat lifting adjusting mechanism reduces intervals produced in the lifting process of a seat and guarantees the stability of the seat.

Description

technical field [0001] The invention relates to a vehicle appliance, in particular to a seat lift adjustment mechanism. Background technique [0002] With the rapid development of my country's economy, the high-speed railway industry has ushered in a new leapfrog development. At the same time, with the continuous improvement of people's economic conditions and living standards, people's requirements for the comfort of trains are also increasing. higher. The existing train seat lifting adjustment mechanism produces a gap during the adjustment process, thereby affecting the stability of the seat. Contents of the invention [0003] The object of the present invention is to provide a seat lift adjustment mechanism, which reduces the gap generated during the lift process of the seat and ensures the stability of the seat. [0004] The technical solution is: a seat lifting adjustment mechanism, the seat lifting adjustment mechanism includes a worm gear, a worm, a helical rack an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61D33/00
CPCB61D33/0078
Inventor 张云琨张里波张克姝
Owner CHENGDU CITY TIANLONG TRANSPORT EQUIP
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