CN205090081U - Guide's case structure - Google Patents
Guide's case structure Download PDFInfo
- Publication number
- CN205090081U CN205090081U CN201520867238.4U CN201520867238U CN205090081U CN 205090081 U CN205090081 U CN 205090081U CN 201520867238 U CN201520867238 U CN 201520867238U CN 205090081 U CN205090081 U CN 205090081U
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- CN
- China
- Prior art keywords
- cylindrical section
- section
- round platform
- valve
- diameter
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a guide's case structure, including pilot valve body, direction valve body, pilot valve body includes first round platform section, first cylindrical section, second cylindrical section third cylindrical section, second round platform section, the direction valve body includes fourth cylindrical section, the 5th cylindrical section, third round platform section, the upper end of first round platform section with the lower extreme of first cylindrical section links to each other, the upper end of first cylindrical section with the lower extreme of second cylindrical section links to each other, and the upper end of second cylindrical section links to each other with the lower extreme of third cylindrical section, and the upper end of third cylindrical section links to each other with the lower extreme of second round platform section, the upper end of third round platform section and the lower extreme of the 5th cylindrical section link to each other, and the upper end of the 5th cylindrical section links to each other with the lower extreme of fourth cylindrical section, the upper end of fourth cylindrical section links to each other with the lower extreme of first round platform section. The utility model has the advantages of reasonable design, through being provided with the direction valve body, can improve guide's case stability can, reduce its radial vibration to alleviate its noise, improve its performance.
Description
Technical field
The utility model relates to Technique for Water Hydraulic Components technical field, particularly relates to a kind of pilot valve structure.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, various valves used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification are quite various.Valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron valve according to material, cast steel valve, stainless valve (201,304,316 etc.), Cr-Mo steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, nonstandard customized material such as valve such as grade.
Pilot operated compound relief valve is primarily of main valve and pilot valve composition, and wherein P mouth is that liquid flows to mouth, and T mouth is fluid outlet.During pilot operated compound relief valve work, liquid stream enters from P mouth, arrives main valve epicoele and pilot valve ante-chamber, act in pilot valve through damping hole, and when hydraulic coupling is less than the spring force of pilot valve spring, poppet port is closed.Now main valve plug is in lowermost position and puts under the effect of softer main spool spring, and primary valve is closed, without fluid flow in valve pocket.Along with the rising of inlet pressure, when acting on the hydraulic coupling in pilot valve and being greater than pilot valve spring force, poppet port is opened, and liquid flows through damping hole, pilot valve valve port and main valve plug axial hole and flows back to fuel tank.The now reducing pressure by regulating flow effect of damping hole, makes the hydraulic coupling of main valve cavity of resorption be greater than the hydraulic coupling of epicoele, and when pressure difference is greater than the spring force of main spool spring, main valve moves, and primary valve is opened, and P mouth and T mouth are connected, and section hydraulic oil is through T mouth oil sump tank.
The pilot valve structure of current pilot operated compound relief valve in use, easily produces radial vibration, thus produces noise, reduces its using effect.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of pilot valve structure.
The utility model is achieved through the following technical solutions:
A kind of pilot valve structure, comprise guide valve blocks, guiding valve body, described guide valve blocks comprises the first round platform section, the first cylindrical section, the second cylindrical section three cylindrical section, the second round platform section; Described guiding valve body comprises the 4th cylindrical section, the 5th cylindrical section, the 3rd round platform section; The upper end of described first round platform section is connected with the lower end of described first cylindrical section, the upper end of described first cylindrical section is connected with the lower end of described second cylindrical section, the upper end of described second cylindrical section is connected with the lower end of described three cylindrical section, and the upper end of described three cylindrical section is connected with the lower end of described second round platform section; The upper end of described 3rd round platform section is connected with the lower end of described 5th cylindrical section, and the upper end of described 5th cylindrical section is connected with the lower end of described 4th cylindrical section; The upper end of described 4th cylindrical section is connected with the lower end of described first round platform section.
As optimal technical scheme of the present utility model, the lower end diameter of described second round platform section is identical with the diameter of described three cylindrical section.
As optimal technical scheme of the present utility model, the diameter of described second cylindrical section is greater than the diameter of described first cylindrical section, three cylindrical section.
As optimal technical scheme of the present utility model, the upper end diameter of described first round platform section is identical with the diameter of described first cylindrical section.
As optimal technical scheme of the present utility model, the diameter of described 4th cylindrical section is less than the diameter of described 5th cylindrical section.
Compared with prior art, the beneficial effects of the utility model are: the utility model reasonable in design, by being provided with guiding valve body, can improve the stability of pilot valve, reducing its radial vibration, thus alleviate its noise, improve its usability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is structural representation of the present utility model.
Described a kind of pilot valve structure, comprise guide valve blocks 1, guiding valve body 2, described guide valve blocks 1 comprises the first round platform section 10, first cylindrical section 11, second cylindrical section 12, three cylindrical section 13, second round platform section 14; Described guiding valve body 2 comprises the 4th cylindrical section 20, the 5th cylindrical section 21, the 3rd round platform section 22; The upper end of described first round platform section 10 is connected with the lower end of described first cylindrical section 11, the upper end of described first cylindrical section 11 is connected with the lower end of described second cylindrical section 12, the upper end of described second cylindrical section 12 is connected with the lower end of described three cylindrical section 13, and the upper end of described three cylindrical section 13 is connected with the lower end of described second round platform section 14; The upper end of described 3rd round platform section 22 is connected with the lower end of described 5th cylindrical section 21, and the upper end of described 5th cylindrical section 21 is connected with the lower end of described 4th cylindrical section 20; The upper end of described 4th cylindrical section 20 is connected with the lower end of described first round platform section 10.
The lower end diameter of described second round platform section 14 is identical with the diameter of described three cylindrical section 13, the diameter of described second cylindrical section 12 is greater than the diameter of described first cylindrical section 11, three cylindrical section 13, the upper end diameter of described first round platform section 10 is identical with the diameter of described first cylindrical section 11, and the diameter of described 4th cylindrical section 20 is less than the diameter of described 5th cylindrical section 21.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a pilot valve structure, comprise guide valve blocks (1), guiding valve body (2), it is characterized in that: described guide valve blocks (1) comprises the first round platform section (10), the first cylindrical section (11), the second cylindrical section (12), three cylindrical section (13), the second round platform section (14); Described guiding valve body (2) comprises the 4th cylindrical section (20), the 5th cylindrical section (21), the 3rd round platform section (22); The upper end of described first round platform section (10) is connected with the lower end of described first cylindrical section (11), the upper end of described first cylindrical section (11) is connected with the lower end of described second cylindrical section (12), the upper end of described second cylindrical section (12) is connected with the lower end of described three cylindrical section (13), and the upper end of described three cylindrical section (13) is connected with the lower end of described second round platform section (14); The upper end of described 3rd round platform section (22) is connected with the lower end of described 5th cylindrical section (21), and the upper end of described 5th cylindrical section (21) is connected with the lower end of described 4th cylindrical section (20); The upper end of described 4th cylindrical section (20) is connected with the lower end of described first round platform section (10).
2. a kind of pilot valve structure according to claim 1, is characterized in that: the lower end diameter of described second round platform section (14) is identical with the diameter of described three cylindrical section (13).
3. a kind of pilot valve structure according to claim 2, is characterized in that: the diameter of described second cylindrical section (12) is greater than the diameter of described first cylindrical section (11), three cylindrical section (13).
4. a kind of pilot valve structure according to claim 3, is characterized in that: the upper end diameter of described first round platform section (10) is identical with the diameter of described first cylindrical section (11).
5. a kind of pilot valve structure according to claim 4, is characterized in that: the diameter of described 4th cylindrical section (20) is less than the diameter of described 5th cylindrical section (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867238.4U CN205090081U (en) | 2015-11-04 | 2015-11-04 | Guide's case structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867238.4U CN205090081U (en) | 2015-11-04 | 2015-11-04 | Guide's case structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090081U true CN205090081U (en) | 2016-03-16 |
Family
ID=55480767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867238.4U Expired - Fee Related CN205090081U (en) | 2015-11-04 | 2015-11-04 | Guide's case structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090081U (en) |
-
2015
- 2015-11-04 CN CN201520867238.4U patent/CN205090081U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20171104 |