CN106931200B - Ultrahigh pressure manual pressure relief device - Google Patents
Ultrahigh pressure manual pressure relief device Download PDFInfo
- Publication number
- CN106931200B CN106931200B CN201710135089.6A CN201710135089A CN106931200B CN 106931200 B CN106931200 B CN 106931200B CN 201710135089 A CN201710135089 A CN 201710135089A CN 106931200 B CN106931200 B CN 106931200B
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- China
- Prior art keywords
- thimble
- cover
- valve core
- pressure relief
- valve body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an ultrahigh pressure manual pressure relief device, which comprises a lower valve body, a throttling sealing gasket, a valve core reset spring, a valve core, a sealing gasket, an upper valve body, an ejector pin rod, an ejector pin reset spring, an ejector pin cover, a compression nut, an adjusting rod and an upper valve cover, and is characterized in that a throttling hole is arranged in the center of the flow sealing gasket, a liquid flow buffer angle is arranged at the upper end of the hole, and a conical sealing surface is arranged on the upper end surface and the lower end surface of the hole; the invention aims to provide an ultrahigh pressure manual pressure relief device, which is an ultrahigh pressure manual pressure relief valve body with adjustable pressure relief speed, convenient operation, safety, reliability, simple maintenance and no requirement on a pressure relief medium.
Description
Technical Field
The invention relates to emergency pressure relief of ultrahigh pressure pressing equipment in the ceramic industry, the chemical industry and the like.
Background
Used emergent pressure release in the existing market all is that the pressure release flow is uncontrollable and only lets out the little flow, requires higher to the pressure release medium simultaneously, and to this kind of controllable and do not have special requirements to the pressure release medium and to the medium cleanliness requirement not high manual urgent pressure release valve body of superhigh pressure almost not, to above circumstances, it is controllable and the pressure release medium does not have superhigh pressure release valve body who requires to solve above problem to necessarily provide a neotype pressure release flow.
Disclosure of Invention
The invention provides an ultrahigh pressure manual pressure relief device, aiming at the situations, the ultrahigh pressure manual pressure relief device has the advantages of adjustable pressure relief speed, convenient operation, safety, reliability, simple maintenance and no requirement on a pressure relief medium.
The technical scheme of the invention is realized as follows: the utility model provides a manual pressure relief device of superhigh pressure, includes lower valve body, throttle sealing pad, case reset spring, case, sealed pad, goes up valve body, thimble rod, thimble reset spring, thimble lid, gland nut, regulating rod, upper valve lid, its characterized in that the central design orifice of sealed pad of flow, its hole upper end sets up liquid stream buffering angle, and its upper and lower terminal surface sets up the sealed face of toper.
In the ultrahigh pressure manual pressure relief device, the bottom of the lower valve body is provided with the sealing surface, and the sealing surface is matched with the sealing surface of the throttling sealing gasket to realize ultrahigh pressure sealing.
In the ultrahigh pressure manual pressure relief device, the center of the lower valve body is wrapped by the valve core return spring, and the bottom end of the valve core penetrates through the valve core return spring.
In the ultrahigh pressure manual pressure relief device, the center of the valve core is provided with a guide surface, and the guide surface is provided with a pressure relief groove shaped like a Chinese character 'hui'.
In the ultrahigh pressure manual pressure relief device, the conical sealing surface is arranged at the upper end of the valve core guide surface to realize high pressure sealing and pressure relief functions, and the top end of the valve core is provided with the ejection rod to realize ejection functions.
In the ultrahigh pressure manual pressure relief device, the bottom of the upper valve body is provided with a guide hole, the upper part of the guide hole is provided with a high-pressure sealing surface, and the center of the guide hole is wrapped by the thimble return spring.
In the ultrahigh pressure manual pressure relief device, the center of the thimble return spring is penetrated by the thimble rod, and the thimble cover is riveted with the thimble rod.
In the ultrahigh pressure manual pressure relief device, the middle part of the thimble cover is provided with double-side sealing, the thimble return spring tightly presses the lower end face of the thimble cover, and the compression nut is tightly attached to the upper end face of the thimble cover.
In the ultrahigh pressure manual pressure relief device, the outer part of the compression nut is fixed on the upper end face of the upper valve body through threads, and the center of the compression nut is penetrated through by the adjusting rod.
In the ultrahigh pressure manual pressure relief device, the outer end of the adjusting rod is provided with a rotating thread, the upper end of the adjusting rod is provided with a positioning step, the center of the upper valve cover is penetrated through by the adjusting rod, and the upper valve cover is hinged to the upper end face of the upper valve cover through a bolt.
The invention has the beneficial effects that:
1. the ultrahigh pressure manual pressure relief valve disclosed by the invention realizes controllable pressure relief flow, so that the operation safety of ultrahigh pressure equipment is improved.
2. The ultrahigh-pressure manual pressure relief valve has no special requirement on a pressure relief medium, and is simple in later maintenance and convenient to operate.
3. The throttling conical surface pad realizes a sealing throttling effect, and a flow scattering angle is arranged at a flow discharge hole of the throttling conical surface pad, so that the flushing effect of jet flow on a valve core is reduced.
4. The middle part of the valve core is provided with the columnar guide ring, so that the upper conical surface sealing surface of the columnar guide ring is concentric with the valve core return spring.
5. The cylindrical guide ring of the valve core is provided with the pressure relief groove shaped like a Chinese character 'hui', so that the discharged medium can smoothly flow out.
6. The bottom of the upper valve body is provided with a columnar guide hole, the upper part of the guide hole is provided with a conical sealing surface, and the outer part of the guide hole is provided with a positioning and screwing thread, so that the coaxial and sealing effect with the valve core is realized.
7. The center of the upper valve body is wrapped by the thimble return spring which is penetrated through by the thimble rod.
8. The lower end of the thimble cover is riveted with the thimble rod, the thimble return spring is tightly contacted with the lower end surface of the thimble cover, and the middle part of the thimble cover is provided with double-side sealing to ensure that a pressure relief medium is kept at the lower end of the thimble cover.
9. The adjusting rod penetrates through the compression nut, and the ejector rod cover is tightly attached to the lower end face of the ejector rod cover to control the lifting limit position of the ejector pin cover.
10. The upper end of the adjusting rod is provided with an adjusting step for controlling the downward movement limit position of the ejector pin cover.
11. The upper limit position of the thimble rod is separated from the upper top position of the valve core by a designed distance, so that the conical sealing surface of the valve core is fully closed with the conical sealing surface of the upper valve body in a reset state, and the pressure maintaining effect is realized.
Drawings
Fig. 1 is a schematic diagram of an ultrahigh pressure manual relief valve according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a manual relief valve of superhigh pressure, including lower valve body 1, the sealed pad of throttle 2, case reset spring 3, case 4, sealed pad 5, go up valve body 6, thimble 7, thimble reset spring 8, thimble lid 9, gland nut 10, regulation pole 11, go up valve lid 12, the sealed pad 2 of throttle is installed 1 bottom valve body down, case reset spring 3 runs through 1 center of lower valve body, 4 bottoms of case run through wherein, sealed pad 5 is installed 1 top valve body down, 1 top valve body down sets up the mounting thread.
The middle part of the valve core 4 is provided with a cylindrical guide ring, the bottom end of the upper valve body 6 is provided with a cylindrical guide hole, and the upper part of the upper valve body is provided with a conical surface sealing surface.
The outer wall of the cylindrical guide hole of the upper valve body 6 is provided with an installation external thread, the lower valve body 1 is connected with the upper valve body 1 through an installation thread, and the upper valve body 6 compresses the sealing gasket 5 to enable the sealing gasket to be plastically deformed to achieve a sealing effect.
The centre of the upper valve body 6 is provided with the thimble return spring 8, the thimble rod 7 penetrates through the thimble return spring, and the thimble cover 9 is arranged at the upper part of the thimble return spring.
The bottom of the thimble cover 9 is riveted with the thimble rod 7, and the middle part of the thimble cover is provided with a bidirectional seal to realize medium isolation.
The adjusting rod 11 penetrates through the compression nut 10, the upper surface of the ejector rod cover 9 is tightly attached to the bottom end of the ejector rod cover, and the top end of the ejector rod cover is provided with a downward-adjusting limit step
The middle part of the upper valve cover 12 penetrates through the adjusting rod 11, and the upper valve cover is hinged with the top end of the upper valve body 12 through a screw.
When the adjusting rod 11 is adjusted downwards, the ejector pin cover 9 is pushed to drive the ejector pin rod 7 to move downwards, the ejector pin reset spring 8 is compressed, the ejector pin pushes the valve core 4 to move downwards, the valve core reset spring 3 is compressed, and the sealing surface of the valve core 4 is separated from the sealing surface of the upper valve body 6, so that the pressure relief action is realized.
When the adjusting rod 11 is adjusted upwards, the thimble return spring 8 pushes the thimble cover 9 to move upwards to drive the thimble rod 7 to move upwards, the valve core 4 is pushed by the valve core return spring 3 to move upwards for resetting until the valve core 4 contacts with the sealing surface of the upper valve body 6 to realize the pressure maintaining function.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (1)
1. A manual pressure relief device for ultrahigh pressure comprises a lower valve body, a throttling sealing gasket, a valve core reset spring, a valve core, a sealing gasket, an upper valve body, an ejector pin rod, an ejector pin reset spring, an ejector pin cover, a compression nut, an adjusting rod and an upper valve cover, and is characterized in that a throttling hole is designed in the center of the throttling sealing gasket, a liquid flow buffering angle is arranged at the upper end of a hole of the throttling sealing gasket, and a conical sealing surface is arranged on the upper end surface and the lower end surface of the hole; the center of the lower valve body is wrapped with the valve core reset spring, and the bottom end of the valve core penetrates through the valve core reset spring; a cylindrical guide ring is arranged in the middle of the valve core, and a pressure relief groove shaped like a Chinese character 'hui' is formed in the cylindrical guide ring; the upper part of the columnar guide ring of the valve core is provided with a conical sealing surface to realize high-pressure sealing and pressure relief functions, and the top end of the valve core is provided with a jacking rod to realize a jacking function; the center of the thimble return spring is penetrated by the thimble rod, and the thimble cover is riveted with the thimble rod; the middle part of the thimble cover is provided with double-side sealing, the thimble return spring tightly presses the lower end face of the thimble cover, and the compression nut tightly clings to the upper end face of the thimble cover; the outer part of the compression nut is fixed on the upper end surface of the upper valve body through threads, and the center of the compression nut is penetrated through by the adjusting rod; the outer end of the adjusting rod is provided with a rotating thread, the upper end of the adjusting rod is provided with a positioning step, the center of the upper valve cover is penetrated through by the adjusting rod, and the upper valve cover is hinged to the upper end face of the upper valve body through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135089.6A CN106931200B (en) | 2017-03-08 | 2017-03-08 | Ultrahigh pressure manual pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135089.6A CN106931200B (en) | 2017-03-08 | 2017-03-08 | Ultrahigh pressure manual pressure relief device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106931200A CN106931200A (en) | 2017-07-07 |
| CN106931200B true CN106931200B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710135089.6A Active CN106931200B (en) | 2017-03-08 | 2017-03-08 | Ultrahigh pressure manual pressure relief device |
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| CN (1) | CN106931200B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139995A (en) * | 2018-09-27 | 2019-01-04 | 王大双 | A kind of manual relief valve |
| CN110985727A (en) * | 2019-12-31 | 2020-04-10 | 唐建 | Practical quick adjustment pipeline pressure valve |
| CN112098101B (en) * | 2020-09-23 | 2022-07-26 | 常州大学 | Pressure relief and gas collection device for constant volume combustion bomb |
| CN113230683A (en) * | 2021-05-24 | 2021-08-10 | 浙江溶力高新材料股份有限公司 | Method and equipment for refining dimethyl silicone oil by stages |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB860761A (en) * | 1957-09-06 | 1961-02-08 | Dowty Mining Equipment Ltd | Improvements in hydraulic valves |
| CN2130987Y (en) * | 1992-06-30 | 1993-04-28 | 沈阳液压机厂 | Differential limit ultra-high-pressure overflow valve |
| CN2258562Y (en) * | 1996-04-05 | 1997-07-30 | 柴焱 | T-type ultrahigh pressure hydraulic control unloader valve |
| CN202392124U (en) * | 2011-12-06 | 2012-08-22 | 四川航空工业川西机器有限责任公司 | Extra-high pressure relief valve |
| CN105889607A (en) * | 2016-06-21 | 2016-08-24 | 佛山市南海金刚新材料有限公司 | Ultrahigh pressure release valve |
-
2017
- 2017-03-08 CN CN201710135089.6A patent/CN106931200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB860761A (en) * | 1957-09-06 | 1961-02-08 | Dowty Mining Equipment Ltd | Improvements in hydraulic valves |
| CN2130987Y (en) * | 1992-06-30 | 1993-04-28 | 沈阳液压机厂 | Differential limit ultra-high-pressure overflow valve |
| CN2258562Y (en) * | 1996-04-05 | 1997-07-30 | 柴焱 | T-type ultrahigh pressure hydraulic control unloader valve |
| CN202392124U (en) * | 2011-12-06 | 2012-08-22 | 四川航空工业川西机器有限责任公司 | Extra-high pressure relief valve |
| CN105889607A (en) * | 2016-06-21 | 2016-08-24 | 佛山市南海金刚新材料有限公司 | Ultrahigh pressure release valve |
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| Publication number | Publication date |
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| CN106931200A (en) | 2017-07-07 |
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