High-stability jack with oil-return speed multistage adjusting mechanism

Abstract

The invention discloses a high-stability jack with an oil-return speed multistage adjusting mechanism, and relates to the technical field of jacks. The high-stability jack comprises a main body and anameplate sticker, a top support is arranged outside the top of the main body, an inner cavity is formed inside the top support, a cushion layer is arranged inside the inner cavity, one end of the exterior of the top support is connected with a connecting belt, an auxiliary top support is mounted at one end of the exterior of the connecting belt, the nameplate sticker is located in the middle of the exterior of the front end of the main body, and a base is arranged outside the bottom of the main body. By arranging a prying assembly, a first threaded block, a connecting column and a second threaded block, the length of the prying assembly can be adjusted appropriately in the using process according to the using habits and personal using needs, the poor comfort degree in the using process ofthe jack is avoided, the prying assembly is in threaded connection with the connecting column together through the first threaded block, the structure is simple, and a user can rapidly increase the length of the prying assembly conveniently without more technologies.

Description

technical field [0001] The invention relates to the technical field of jacks, in particular to a high-stability jack with a multi-stage adjustment mechanism for oil return speed. Background technique [0002] The car jack is placed in the tool box of the car and is used to jack up the body when changing the spare tire. Car jacks have pneumatic jacks, electric jacks, hydraulic jacks and mechanical jacks, and generally hydraulic and mechanical jacks are commonly used. The car jack is used to replace the spare tire, and it is convenient to replace the tire if it is broken while driving. [0003] It is inconvenient for the jacks on the market to perform auxiliary replacement of the supporting part during use, resulting in that the supporting part cannot be replaced in time when the supporting part is damaged, and the jack cannot be protected when the jack is placed, and the exterior is prone to damage. It brings inconvenience to the use of the user, and the shortcoming that th...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-stability jack with a multi-stage adjustment mechanism for oil return speed, so as to solve the problem of inconvenient replacement of the supporting parts during the use of the jack proposed in the above background technology, resulting in damage to the supporting parts It cannot be replaced in time, and it cannot be protected when the jack is placed. The exterior is prone to damage, which brings inconvenience to the user, and the length of the lever cannot be adjusted according to the needs of the use during use. adjustment problem

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