Distributor for tractor

A technology for tractors and distributors, applied in mechanical equipment, fluid pressure actuating devices, servo motor components, etc., can solve the problems of easy pollution of asbestos pads, easy wear of valve cores, etc., to avoid oil leakage, avoid wear, and improve The effect of job reliability

Active Publication Date: 2015-06-24
HEFEI CHANGYUAN HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a distributor for tractors in order to avoid the disadvantages of the above-mentioned prior art, so as to solve the problems of easy pollution

Method used

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  • Distributor for tractor
  • Distributor for tractor
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Embodiment Construction

[0044] See attached Figure 1-9 , the distributor for the tractor of the present invention comprises a valve body 1, a front cover 2 and a rear cover 3; the valve body 1 is provided with a valve stem 4, and the first end of the valve stem 4 extends into the Inside the rear cover 3, the second end of the valve stem 4 extends into the front cover 2; the front cover 2 is provided with a handle 5; one end of the handle 5 extends into the front cover 2 and engages with the valve stem 4 so that the valve stem 4 can be pulled to move linearly along the axial direction of the valve stem 4 by pulling the handle 5; the other end of the handle 5 protrudes from the front cover 2 to facilitate manual wrenching;

[0045] A through hole 301 penetrating through the back cover 3 is provided on the end surface of the end of the back cover 3 away from the valve body 1, and a balance guide rod 6 is arranged in the through hole 301; the balance guide rod The first end of 6 protrudes outside the ...

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PUM

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Abstract

The invention discloses a distributor for a tractor. The distributor comprises a valve, a front cover and a rear cover. A valve rod is arranged in the valve, and the two ends of the valve rod stretch into the front cover and the rear cover respectively. A handle is arranged on the front cover, a through hole penetrating through the rear cover is formed in the rear cover, and a balance guide rod is arranged in the through hole. A radial hole penetrating through the valve rod in the radial direction of the valve rod is formed in the circumferential face of the valve rod, and a small steel ball is arranged in the radial hole. A positioning guide base is arranged in an inner cavity of the valve rod, a guide rod is arranged on a guide rod base in the positioning guide base, and a cone valve element is arranged on the right side of the guide rod base. A special-shaped sealing ring is arranged in a sealing groove in the rear cover. A second-level guiding body is arranged on the peripheral face of a middle connecting body of a one-way valve element. The distributor has the advantages that the problem of automatic valve rod reversing in the back pressure process can be solved, the automatic valve rod reset function is achieved, resetting is reliable, the sealing effect of the rear cover is good, staining of dust does not exist, the service life of a one-way valve is long, and working reliability is high.

Description

technical field [0001] The invention relates to a dispenser, in particular to a dispenser for a tractor. Background technique [0002] Hydraulic components have the advantages of high power, simple installation and arrangement, easy control, convenient and comfortable operation, low failure rate, and easy maintenance. They are very suitable for the application of agricultural machinery with variable structures and harsh working conditions. For decades, hydraulic technology has not only been used more and more in agricultural machinery, machine tools, engineering machinery, construction machinery, aerospace equipment, etc., but also formed a huge market. [0003] my country's agricultural machinery uses hydraulic components, with the largest number, the least variety, and the lowest price, so it is the industry with the most potential for development. One of the important factors is that the application of hydraulic technology in agricultural machinery is far from enough. T...

Claims

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Application Information

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IPC IPC(8): F15B13/02
CPCF15B13/022
Inventor 孙先东孙亚东姚鹏刘根瑞吴化明张勇刘勇
Owner HEFEI CHANGYUAN HYDRAULICS
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