CN208605692U - A kind of tractor hydraulic distributor safety valve - Google Patents
A kind of tractor hydraulic distributor safety valve Download PDFInfo
- Publication number
- CN208605692U CN208605692U CN201821014588.6U CN201821014588U CN208605692U CN 208605692 U CN208605692 U CN 208605692U CN 201821014588 U CN201821014588 U CN 201821014588U CN 208605692 U CN208605692 U CN 208605692U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve pocket
- helical spring
- hydraulic distributor
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of tractor hydraulic distributor safety valves, it includes valve pocket and its oil inlet, oil outlet and cone valve, one helical spring is installed above cone valve in valve pocket, it is fixed with a nut upwards at the top of valve pocket, the pressure regulating screw that helical spring is compressed is installed in the threaded hole of nut.The utility model has structure simple, easy to operate, substantially reduces process time, optimizes assembly efficiency, and being not susceptible to loosen in use prevents decompression from failing.
Description
Technical field
The utility model relates to safety valve, especially a kind of safety suitable for being installed and used on tractor hydraulic distributor
Valve.
Background technique
Existing tractor hydraulic distributor safety valve is to be provided with an oil inlet downwards a valve pocket lower end, into
Direction two sides have an oil outlet on the sealing ring of hydraulic fluid port, in oil inlet between two oil outlets out of valve pocket to
Under a cone valve is installed, in being equipped with multiple groups butterfly spring in valve pocket in the guide post of cone valve, on butterfly spring in
One thread bush, thread bush and guide post clearance fit are installed in valve pocket upper port.This structure is because of the spring in guide post
It is multiple groups butterfly spring lid pressure, the pressure of each butterfly spring is it is difficult to ensure that unanimously, causing spring force fluctuation range big, assembling
When experimental products, usually by worker one side test pressure, spring is replaced on one side, and production efficiency is poor, in addition because solid using thread bush
It is fixed, because vibration or other factors influence when work, it frequently can lead to loosen or fall off, lead to that operating pressure becomes smaller or safety valve loses
Effect.
Summary of the invention
Simple, easy for installation, reliable operation tractor hydraulic distribution that the purpose of the utility model is to provide a kind of structures
Device safety valve.
The technical solution of the utility model is completed as follows, it includes valve pocket and its oil inlet, oil outlet
And cone valve, it is characterised in that: be equipped with a helical spring above cone valve in valve pocket, be fixed with one upwards at the top of valve pocket
Nut is equipped with the pressure regulating screw for compressing helical spring in the threaded hole of nut.
The utility model has structure simple, easy to operate, substantially reduces process time, optimizes assembly efficiency, makes
Being not susceptible to loosen in prevents decompression from failing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Embodiment is described in detail in conjunction with attached drawing, it includes valve pocket 4 and its oil inlet 1, oil outlet 2 and cone valve 3, feature
It is: a helical spring 5 is installed above cone valve in valve pocket, a nut 6 is fixed with upwards at the top of valve pocket, in nut
Threaded hole in be equipped with one by helical spring compress pressure regulating screw 7.
The utility model by above-mentioned improvement, have it is simple and reasonable, as long as adjusting helical spring with pressure regulating screw
Reduction length can guarantee that cone valve bears the pressure of setting, the operation sequence of test pressure, shortens when having simplified processing significantly
Operating time improves work efficiency, while while in turn ensuring work is not susceptible to loosen and pressure reduction.
Claims (1)
1. a kind of tractor hydraulic distributor safety valve, it includes that valve pocket and its oil inlet, oil outlet and cone valve, feature exist
In: a helical spring is installed above cone valve in valve pocket, a nut is fixed with upwards at the top of valve pocket, in the spiral shell of nut
One pressure regulating screw for compressing helical spring is installed in pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014588.6U CN208605692U (en) | 2018-06-29 | 2018-06-29 | A kind of tractor hydraulic distributor safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014588.6U CN208605692U (en) | 2018-06-29 | 2018-06-29 | A kind of tractor hydraulic distributor safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605692U true CN208605692U (en) | 2019-03-15 |
Family
ID=65667251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821014588.6U Active CN208605692U (en) | 2018-06-29 | 2018-06-29 | A kind of tractor hydraulic distributor safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605692U (en) |
-
2018
- 2018-06-29 CN CN201821014588.6U patent/CN208605692U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |