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chair lift

A technology of lifting chairs and lifting rods, which is applied to chairs, chairs with vertically adjustable seats, stools, etc., which can solve the problems of hydraulic cylinder sealing drop, liquid leakage, and unsatisfactory use effects, etc., and achieve long service life and overall structure Strong, continuously adjustable seat height

Active Publication Date: 2016-01-06
ZHEJIANG RONGHUA FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The lift chairs in the prior art generally use a hydraulic cylinder between the base and the seat to drive the lift of the seat. The disadvantage of this type of lift chair is that the sealing performance of the hydraulic cylinder will decrease or even leak after a period of use. The adjustment mechanism It is also easy to damage and the effect of use is not ideal

Method used

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Embodiment Construction

[0010] A detailed description will be given below of specific embodiments of the present invention according to the accompanying drawings.

[0011] according to figure 1 and figure 2 As shown, a lift chair described in this embodiment includes a base 1 and a seat 4 located above the base 1 , a lifting cover 2 is fixedly connected above the base 1 , and a lift cover 2 is fixedly connected below the seat 4 . 2 Lifting rod 3 slidingly connected; the lower end of the lifting rod 3 is fixedly connected with a lifting guide nut 32, and the base 1 is located in the lifting jacket 2 and is connected with a hollow lifting screw 7 through a bearing, and the lifting screw 7 is connected to the lifting guide screw. The cap 32 is connected by threaded transmission; the top of the lifting rod 3 is provided with an adjustment seat 31, and the adjustment seat 31 is connected with a drive shaft 5 along the horizontal direction and a lifting drive rod 6 along the vertical direction through be...

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Abstract

The invention discloses a lift chair comprising a base and a seat, wherein the seat is arranged above the base, the upper part of the base is fixedly connected with a lifting shell, the lower part of the base is fixedly connected with a lifting rod which is in sliding connection with the lifting shell; the lower end part of the lifting rod is fixedly connected with a lifting and guiding nut, a hollow lifting screw rod is connected with the base through a bearing and is arranged in the lifting shell, and the lifting screw rod is in transmission connection with the lifting and guiding nut through a thread; a regulating seat is arranged at the upper part of the lifting rod and is connected with a driving shaft along a horizontal direction and a lifting driving rod in along vertical direction through a bearing, the driving shaft is fixedly connected with a driving bevel gear and a regulating handle, the upper end of the lifting driving rod is fixedly connected with a driven bevel gear which is in meshing transmission with the driving bevel gear, and the lower part of the lifting driving rod is in coaxial sliding and inserting connection with the lifting screw rod. The lift chair disclosed by the invention can quickly regulate the seat to a position at the desired height by rotating the regulating handle and is firm in integral structure and long in service life.

Description

technical field [0001] The invention belongs to the field of household furniture, and in particular relates to a lift chair structure technology. Background technique [0002] The lift chairs in the prior art generally use a hydraulic cylinder between the base and the seat to drive the lift of the seat. The disadvantage of this type of lift chair is that the sealing performance of the hydraulic cylinder will decrease or even leak after a period of use. The adjustment mechanism It is also easily damaged, and the use effect is not ideal. Contents of the invention [0003] The object of the present invention is to provide a lift chair with reasonable structure, continuously adjustable height and long service life in view of the shortcomings of the prior art. [0004] In order to achieve the purpose of the present invention, the following technical proposals are adopted: a lift chair includes a base and a seat above the base, a lifting cover is fixedly connected above the bas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47C3/24A47C7/00
Inventor 朱振
Owner ZHEJIANG RONGHUA FURNITURE
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