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Booster of hydraulic brake protection device

A protection device and hydraulic braking technology, which is applied in the mechanical field and can solve the problems of low working efficiency of hydraulic booster cylinders

Pending Publication Date: 2020-10-20
玉环奥恒机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the above-mentioned problems existing in the prior art, and propose a hydraulic brake protection device booster, which solves the problem of low working efficiency of the existing hydraulic booster cylinder

Method used

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  • Booster of hydraulic brake protection device
  • Booster of hydraulic brake protection device
  • Booster of hydraulic brake protection device

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Embodiment Construction

[0028] The following are specific embodiments of the present invention in conjunction with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0029] The booster of the hydraulic brake protection device includes a cylinder block 1 with an oil inlet 1b, an oil return port 1c and an oil outlet. The cylinder 1 has two cavities, and both cavities are provided with pistons one and two. Piston two 5 and pusher 3. The cylinder 1 is also provided with a balance hole connecting the two cavities. The two ends of the balance hole are respectively located at the sides of the two cavities. Both ends of the balance hole are provided with a balance valve capable of opening and closing the balance hole. The spool of the balance valve extends into the cavity. The piston-2 is also fixed with a cylindrical piston sleeve, which can move with the piston-2 to push the valve core of the balance...

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Abstract

The invention provides a booster of a hydraulic brake protection device, and belongs to the technical field of machinery. The problem that an existing hydraulic booster cylinder is not high in workingefficiency is solved. The booster of the hydraulic brake protection device comprises a cylinder body, a first piston and a pushing piece with the inner end stretching into the cylinder body, a columnar inner cavity, an oil inlet hole and an oil return hole are formed in the first piston, a second piston stretching into the inner cavity is further arranged in the cylinder body, a reset spring is arranged in the inner cavity, a second sealing part is arranged on the side portion of the second piston, the second piston can move under the action of the reset spring and enables the second sealingpart to block the oil inlet hole, the oil return hole is in communication with the side, away from the pushing piece, of the inner cavity, an oil passing channel is further formed in the second piston, an inlet and an outlet of the oil passing channel are located in the two sides of the second sealing part correspondingly, and when the pushing piece moves into the cylinder body, the pushing piececan abut against the second piston and block the oil passing channel. The booster of the hydraulic brake protection device has the advantage of being easier to operate.

Description

Technical field [0001] The invention belongs to the technical field of machinery and relates to a booster of a hydraulic brake protection device. Background technique [0002] The structure of the hydraulic booster cylinder generally includes a cylinder body, a piston arranged in the cylinder body, and a push rod at the outer end for connecting with the vehicle pedal. The piston separates the cylinder body from the oil inlet cavity, the oil return cavity and the oil outlet cavity. The body is provided with an oil inlet, an oil return and an oil outlet which are respectively communicated with the oil inlet cavity, the oil return cavity and the oil outlet cavity. The piston is also provided with an oil passage which can connect the oil inlet cavity and the oil return cavity. When in use, the push rod is pushed into the cylinder and blocked the oil passage, the external oil supply device is used to continuously supply oil to the oil inlet cavity, and the piston is pushed to move wi...

Claims

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Application Information

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IPC IPC(8): F16D65/14F15B15/16F15B15/14B60T13/12F16D129/02
CPCB60T13/12F15B15/1404F15B15/1414F15B15/1423F15B15/1447F15B15/149F15B15/16F16D65/14F16D2129/02
Inventor 陈灵刚刘叶芝刘叶勇韩伟玉
Owner 玉环奥恒机械有限公司
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