CN204717066U - A kind of multi-medium ultrahigh pressure one-way valve - Google Patents
A kind of multi-medium ultrahigh pressure one-way valve Download PDFInfo
- Publication number
- CN204717066U CN204717066U CN201520374056.3U CN201520374056U CN204717066U CN 204717066 U CN204717066 U CN 204717066U CN 201520374056 U CN201520374056 U CN 201520374056U CN 204717066 U CN204717066 U CN 204717066U
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- China
- Prior art keywords
- valve body
- ultrahigh pressure
- way valve
- connecting base
- pressing connecting
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Abstract
The utility model discloses a kind of multi-medium ultrahigh pressure one-way valve, comprises valve body, the pressing connecting base be connected with valve body screw thread; Guide bracket is provided with in described valve body; One end of described guide bracket is provided with the spherical ceramic spool on the sealing cone that can be connected to described valve body, and the other end is connected on spring seat by spring housing, and described spring seat is arranged at described pressing connecting base liquid outlet opening place.Closely, assembling is simple, the manufacturing process of valve body and pressing connecting base also significantly improves the operating life of valve in Superhigh Pressure Hydraulic System, and manufacture cost is also lower for the utility model structure.
Description
Technical field
The utility model relates to a kind of multi-medium ultrahigh pressure one-way valve.
Background technique
At present, the adaptability of ultrahigh-pressure hydraulic one-way valve to various medium is more single now both at home and abroad, general only application is with hydraulic oil or ordinary water medium, and valve volume is bigger than normal, to the hydraulic medium bad adaptability of seawater, weak acid alkali lye body and viscosity slightly high (VI64 ~ 90), working life is not long, and cost costly.
Model utility content
The utility model object is that the defect existed for prior art provides a kind of multi-medium ultrahigh pressure one-way valve.
The utility model for achieving the above object, adopts following technological scheme: a kind of multi-medium ultrahigh pressure one-way valve, comprises valve body, the pressing connecting base be connected with valve body screw thread; Guide bracket is provided with in described valve body; One end of described guide bracket is provided with the spherical ceramic spool on the sealing cone that can be connected to described valve body, and the other end is connected on spring seat by spring housing, and described spring seat is arranged at described pressing connecting base liquid outlet opening place.
Further, the mounting point of described spherical ceramic spool and valve body adopts annular circular linear contact lay.
Further, described spherical ceramic spool adopts silicon nitride ceramic ball.
Further, the hardness of described spherical ceramic spool is greater than the hardness of valve body, and both difference of hardness are 8 ~ 15HRC.
Further, described guide bracket adopts flower shape project organization.
Further, the joint of described valve body and described pressing connecting base is provided with metallic gasket.
Further, the thickness of described metallic gasket is 1.5 ~ 2.5mm.
Further, described metallic gasket adopts aluminum alloy or Cuprum alloy to make.
Further, described valve body, guide bracket, spring and pressing connecting base all adopt high-strength stainless steel material to make.
The beneficial effects of the utility model: closely, assembling is simple, the manufacturing process of valve body and pressing connecting base also significantly improves the operating life of valve in Superhigh Pressure Hydraulic System, and manufacture cost is also lower for the utility model structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Shown in Fig. 1, relate to a kind of multi-medium ultrahigh pressure one-way valve, comprise valve body 1, the pressing connecting base 7 be threaded with valve body 1; Guide bracket 3 is provided with in described valve body 1; One end of described guide bracket 3 be provided with can be connected to described valve body 1 sealing cone on spherical ceramic spool 2, the other end is socketed on spring seat 6 by spring 4, and described spring seat 6 is arranged at described pressing connecting base 7 liquid outlet opening place.
During work, it is sealing state when spherical ceramic spool 2 contacts with valve body 1, be that liquid gets the hang of during disengagement, after guide bracket 3 is positioned at ceramic valve core 2, spring 4 one end is placed on guide bracket 3, and the other end is placed on spring seat 6, under the action of the spring, guide bracket 3 is adjacent to spherical ceramic spool 2, and spring seat 6 is installed on the liquid outlet opening of pressing connecting base 7, the interference fit that general employing is less.
In addition, spherical ceramic spool 2 selects silicon nitride (Si3N4) ceramic ball, and the selection principle of its spheroid is:
A, spherical ceramic spool 2 and the installation contact position of valve body 1 are annular circular linear contact lay (as spherical ceramic spool 2 dotted line position in Fig. 1, due to a small amount of plastic deformation during actual high-voltage work, surface of contact is endless belt).Now the latus rectum of hypothesis valve body 1 is D1, spherical ceramic spool 2 is D2 with the theoretical contact O-ring linear diameter of valve body 1, the sphere diameter of spherical ceramic spool 2 itself is D3, then general D1 < D2 < D3, and D2 gets 60% ~ 85%D3.
B, spherical ceramic spool 2 preferentially select calm equal-pressure method shaping and the silicon nitride ceramic ball ground through highi degree of accuracy, and its diameter dimension selects existing commercial standard product as far as possible.
C, spherical ceramic spool 2 are about 8 ~ 15HRC value with the difference of hardness of valve body 1, and the hardness of spherical ceramic spool 2 is greater than the hardness of valve body 1.
In addition, guide bracket 3 of the present utility model adopts flower shape project organization, do not adopt typically in the structure of sidewall boring, mainly be beneficial to the flowing of liquid under super-high pressure work environment, reduce flow damping, be not easy blocking, especially particularly evident to more full-bodied hydraulic medium (VI64 ~ 90) effect.
During design, the decrement of control spring 4 carrys out the cracking pressure of control valve, valve working pressure is larger, corresponding cracking pressure also suitably strengthens, general recommendation 0.2MPa ~ 0.5MPa is advisable, because less cracking pressure is unfavorable for the rapid closedown of spherical ceramic spool 2 in super-high pressure work environment, but larger cracking pressure makes to have larger damping during valve opening, is also unfavorable for that valve is opened flexibly smoothly.
Wherein, valve body 1 and pressing connecting base 7 are threaded engagement installation, during its threaded engagement, screw thread scribbles screw thread seizureproof agent, adopt metallic gasket sealing (making according to the different aluminium alloy of working pressure or copper alloys material) between the two, i.e. metallic gasket 5 in Fig. 1.This metallic gasket 5 generally can get 1.5 ~ 2.5mm according to the pressure different-thickness of work, material selects aluminum alloy or copper alloys, prerequisite seals reliably under should ensureing high pressure, ensure self-strength again simultaneously, in order to avoid destroyed when high pressure, in principle valve body 1 and pressing connecting base 7 screw the unit pressure putting on sealing gasket 5 will much larger than the pressure of system during work, otherwise valve body 1 and pressing connecting base 7 just can not seal.
During work, superhigh pressure liquid enters from the inlet opening of valve body 1, drives spherical ceramic valve core 2 to open, spring 4 is further compressed, superhigh pressure liquid flows through guide bracket 3, spring 4 and spring seat 6, and flow out from the liquid outlet opening of pressing connecting base 7, now valve is in unlatching working state; When valve body 1 stops flowing into superhigh pressure liquid, the superhigh pressure liquid that pressing connecting base 7 is gone out promotes guide bracket 3 and spherical ceramic spool 2, under the acting in conjunction of spring 4, guide bracket 3 and superhigh pressure liquid, make spherical ceramic spool 2 tightly touch valve body 1, the liquid that now pressing connecting base 7 flows out is blocked by spherical ceramic spool 2, serves non-return and the pressure maintaining effect of liquid.
Because valve body 1, guide bracket 3, spring 4, pressing connecting base 7 all have employed high-strength stainless steel class material and through QPQ process, there is outstanding Corrosion Protection and weak acid and alkali resistance performance, and some nonferrous materialss of aluminum alloy and Cuprum alloy etc. and pottery possess above-mentioned performance all equally, therefore make this one-way valve can also adapt to multiple liquid mediums while meeting Superhigh Pressure Hydraulic System work.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a multi-medium ultrahigh pressure one-way valve, is characterized in that, comprises valve body, the pressing connecting base be connected with valve body screw thread; Guide bracket is provided with in described valve body; One end of described guide bracket is provided with the spherical ceramic spool on the sealing cone that can be connected to described valve body, and the other end is connected on spring seat by spring housing, and described spring seat is arranged at described pressing connecting base liquid outlet opening place.
2. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 1, is characterized in that, the mounting point of described spherical ceramic spool and valve body adopts annular circular linear contact lay.
3. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 2, is characterized in that, described spherical ceramic spool adopts silicon nitride ceramic ball.
4. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 3, is characterized in that, the hardness of described spherical ceramic spool is greater than the hardness of valve body, and both difference of hardness are 8 ~ 15HRC.
5. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 4, is characterized in that, described guide bracket adopts flower shape project organization.
6. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 5, is characterized in that, the joint of described valve body and described pressing connecting base is provided with metallic gasket.
7. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 6, is characterized in that, the thickness of described metallic gasket is 1.5 ~ 2.5mm.
8. a kind of multi-medium ultrahigh pressure one-way valve as claimed in claim 7, is characterized in that, described metallic gasket adopts aluminum alloy or Cuprum alloy to make.
9. a kind of multi-medium ultrahigh pressure one-way valve as described in any one of claim 1-7, is characterized in that, described valve body, guide bracket, spring and pressing connecting base all adopt high-strength stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374056.3U CN204717066U (en) | 2015-06-02 | 2015-06-02 | A kind of multi-medium ultrahigh pressure one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374056.3U CN204717066U (en) | 2015-06-02 | 2015-06-02 | A kind of multi-medium ultrahigh pressure one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717066U true CN204717066U (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520374056.3U Expired - Fee Related CN204717066U (en) | 2015-06-02 | 2015-06-02 | A kind of multi-medium ultrahigh pressure one-way valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN204717066U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763949A (en) * | 2017-02-28 | 2017-05-31 | 长治市神马科技有限公司 | Tube built-in safety overflow valve |
| CN107314133A (en) * | 2017-08-22 | 2017-11-03 | 赛洛克流体设备成都有限公司 | A kind of super-pressure check valve easy to use |
| CN107420591A (en) * | 2017-07-25 | 2017-12-01 | 湖北三江航天红峰控制有限公司 | A kind of high pressure check valve |
-
2015
- 2015-06-02 CN CN201520374056.3U patent/CN204717066U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763949A (en) * | 2017-02-28 | 2017-05-31 | 长治市神马科技有限公司 | Tube built-in safety overflow valve |
| CN107420591A (en) * | 2017-07-25 | 2017-12-01 | 湖北三江航天红峰控制有限公司 | A kind of high pressure check valve |
| CN107420591B (en) * | 2017-07-25 | 2019-12-17 | 湖北三江航天红峰控制有限公司 | High-temperature one-way valve |
| CN107314133A (en) * | 2017-08-22 | 2017-11-03 | 赛洛克流体设备成都有限公司 | A kind of super-pressure check valve easy to use |
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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: 20151021 Termination date: 20160602 |