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Motor-driven hydraulic jack

A hydraulic jack, electric technology, applied in the direction of the lifting device, etc., can solve the problems of laborious manual jack, no lighting device, long time, etc., and achieve the effects of easy portability, time saving and simple structure

Inactive Publication Date: 2012-07-18
WENZHOU DELIKANG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In daily car maintenance and road repairs, the manual jacks that are often used are laborious, take a long time, and have no lighting devices, which is very inconvenient

Method used

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Embodiment Construction

[0010] An electro-hydraulic jack, comprising a body in which a base 1, an oil cylinder 7 and a motor 12 connected to a switch 11 are arranged, and the oil cylinder 7 fixedly connected to the base 1 is provided with an oil storage box 3 and a piston 9, through which the switch 11 The motor 12 that realizes forward and reverse control is connected to the gear pump 2, and the gear pump 2 controlled by the motor 12 is connected to the oil cylinder 7 through the one-way controllable valve 4. The one-way controllable valve 4 is provided with a right valve seat cavity and a The valve seat 5 of the left valve seat cavity is provided with an oil port connected to the oil circuit of the oil cylinder 7 and a push rod assembly 6 that can move axially with the forward and reverse rotation of the motor, and the right valve seat cavity is provided with There is an oil port connected to the oil circuit of the oil storage box 3 and a one-way valve 8 that can be rotated forward and reverse to ad...

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PUM

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Abstract

The invention discloses a motor-driven hydraulic jack, which comprises a body. The body is internally provided with a base (1), a hydro-cylinder (7) and a motor (12); the hydro-cylinder (7) fixedly connected on the base (1) is provided with an oil storage box (3) and a piston (9); the motor realizing positive and negative rotating control through a switch (11) is connected with a gear pump (2); the gear pump (2) is connected with the hydro-cylinder (7) through a controllable single-way valve (4); a valve seat (5) comprising a right valve seat cavity and a left valve seat cavity is arranged on the controllable single-way valve (4); the left valve seat cavity is provided with an oil port connected with oil lines of the hydro-cylinder (7) and a mandril assembly (6); the right valve seat cavity is provided with an oil port connected with the oil storage box (3) and a single-way valve (8). The motor-driven hydraulic jack has the beneficial effects that: the motor-driven hydraulic jack has a simple structure, is convenient to use and carry, is labor-saving and time-saving and can be used in day and night.

Description

technical field [0001] The invention relates to a jack device in the field of automobile maintenance, in particular to an electrohydraulic jack. Background technique [0002] In daily car maintenance and road repairs, the frequently used manual jack is laborious, takes a long time, and has no lighting device, which is very inconvenient. Contents of the invention [0003] Aiming at the defects of the manual jack, the invention provides an electro-hydraulic jack. [0004] In order to achieve the above object, the measures taken by the present invention are: [0005] An electro-hydraulic jack, including a body, a base, an oil cylinder, and a motor connected with a switch are arranged in the body, an oil storage box and a piston are fixedly connected to the oil cylinder on the base, and the motor and gear for forward and reverse control are realized through the switch The pump is connected, and the gear pump controlled by the motor is connected with the oil cylinder through ...

Claims

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Application Information

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IPC IPC(8): B66F3/42B66F3/44
Inventor 陆相龙
Owner WENZHOU DELIKANG ELECTRONICS