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Buffering connector

A buffer joint and joint body technology, applied in the superstructure, the superstructure of the truck, transportation and packaging, etc., can solve the problems of increased operating intensity, many manual operations, low efficiency, etc., to reduce operating torque and The number of times, the effect of reducing the intensity of the operation

Inactive Publication Date: 2012-02-15
DALIAN HYDRAULIC COMPONENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of many times of manual operation, increased operation intensity and low efficiency of the dual-hydraulic control check valve structure of the reversing oil cylinder of the cab reversing device, the present invention provides a buffer joint

Method used

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  • Buffering connector
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Embodiment Construction

[0011] The buffer joint structure of the present invention is as figure 1 As shown, it includes joint body 1 and steel ball 2, ball seat 5 is installed in the lower part of joint body 1, steel ball 2 is installed on ball seat 5, throttle port 4 is located above steel ball 2, and retaining ring is installed below ball seat 5 3. The key point of this buffer joint is the area of ​​the orifice 4, which has been verified to be 0.07-0.085mm 2 , the descending speed is the most stable and reliable. The orifice 4 adopts a double-sided notch type, and is pressed with a 2T press, and the required area can be obtained by controlling the pressure of the press. If the throttle area is too large, the drop will be unstable and lose its effect; if the throttle area is too small, the drop time will be long and the efficiency will decrease.

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Abstract

The invention relates to a buffering connector, which comprises a connector body and a steel ball, wherein a ball seat is installed on the inner lower part of the connector body, the steel ball is installed on the ball seat, a throttling port is arranged above the steel ball, a retainer ring is installed below the ball seat, the throttling port is a double-faced notch-type throttling port, and the area of the throttling port is 0.07mm2 to 85mm2. According to the buffering connector, as a single-direction throttling valve is embedded inside a connector of a cavity with a rod of an overturning oil cylinder, when the overturning oil cylinder turns over the gravity of a cab, automatic descent of the cab can be realized, the back pressure is increased during the automatic descending process of the cab, the automatic descending process of the cab is stable and is free from impact, no throttling exists during the returning process of the cab, the operation torque and the operation times can be reduced, and further, the operation strength can be reduced.

Description

technical field [0001] The invention relates to the field of automobile equipment, in particular to the technical field of a reversing oil cylinder of an automobile cab reversing device. Background technique [0002] During the jacking up process of the tilting oil cylinder of the car cab overturning device, a hydraulic control check valve is built in the end of the cylinder to prevent it from sliding down. Cause huge impact, cause great harm to other components, reduce service life and have great potential safety hazards. Our company now adopts the structure of double hydraulic control single valve. Although the problem of falling impact has been solved, the number of manual operations has increased by 40 times, the operation intensity has increased, and the efficiency is low. With the continuous development of my country's economy, high-horsepower heavy-duty vehicles are on the rise, and the demand for vehicle cab turning devices is increasing year by year. It is imperati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D33/067
Inventor 刘欣张鑫伟奚家东
Owner DALIAN HYDRAULIC COMPONENT