CN112013140B - Be applied to relief valve on air compressor machine - Google Patents
Be applied to relief valve on air compressor machine Download PDFInfo
- Publication number
- CN112013140B CN112013140B CN202010882274.3A CN202010882274A CN112013140B CN 112013140 B CN112013140 B CN 112013140B CN 202010882274 A CN202010882274 A CN 202010882274A CN 112013140 B CN112013140 B CN 112013140B
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- China
- Prior art keywords
- valve
- hole
- valve body
- block
- end cover
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- 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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Classifications
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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
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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
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Abstract
The invention discloses a pressure relief valve applied to an air compressor, which comprises a valve body, wherein a cylindrical annular valve core and a tension spring are inserted into the lower end of an inner hole of the valve body, an annular end cover is formed at the upper end of the valve core, an upper connecting sleeve communicated with a central hole of the end cover is formed on the lower end surface of the end cover, and a conical valve hole is formed in the upper connecting sleeve; the upper end plug bush of the tension spring is fixed on the upper connecting sleeve, and the lower end plug bush of the tension spring is fixed on the lower connecting sleeve; the lower end of the valve rod is formed with a spherical valve head, the valve head is pressed against the inner wall of a valve hole on the valve core, the upper end of the valve rod is fixedly inserted on a positioning block, and the positioning block is fixedly inserted in the valve body; the valve rod is inserted and sleeved with a safety block, and the safety block covers a central hole in the end cover of the valve core and abuts against the end cover; the valve body on the upper side of the safety block is provided with a plurality of vertical exhaust grooves.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a pressure relief valve applied to an air compressor.
Background
At present, a relief valve is structurally characterized in that an unloading valve core and a damping valve core are connected into a dumbbell type integral valve core through bolts, nuts and guide pillars, rubber sealing materials are installed on the damping valve core, the relief valve is also called a relief valve, and when the compression pressure in an air storage tank of an air compressor is greater than a rated pressure value, the relief valve can be opened to release the pressure to protect the air storage tank; a pressure relief hole is generally arranged on the side wall of the valve body on the conventional pressure relief valve, the pressure relief hole is utilized for pressure relief, and when the pressure in the air storage tank is too high, compressed air released by the pressure relief valve can be ejected from the pressure relief hole, so that personnel injury is easily caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a pressure release valve applied to an air compressor.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a pressure release valve applied to an air compressor comprises a vertical tubular valve body, wherein a regular-hexagon connecting block is formed at the lower end of the valve body, a threaded connecting hole communicated with an inner hole of the valve body is formed in the connecting block, and a lower connecting sleeve communicated with the threaded connecting hole is formed on the upper end surface of the connecting block; a cylindrical annular valve core and a tension spring are inserted into the lower end of the inner hole of the valve body, an annular end cover is formed at the upper end of the valve core, an upper connecting sleeve communicated with a central hole of the end cover is formed on the lower end surface of the end cover, and a conical valve hole is formed in the upper connecting sleeve; the upper end plug bush of the tension spring is fixed on the upper connecting sleeve, and the lower end plug bush of the tension spring is fixed on the lower connecting sleeve; a vertical valve rod is inserted into a central hole of the upper end cover of the valve core, a spherical valve head is formed at the lower end of the valve rod and is pressed against the inner wall of a valve hole on the valve core, the upper end of the valve rod is inserted and fixed on a positioning block, and the positioning block is inserted and fixed in the valve body; the valve rod is inserted and sleeved with a safety block, and the safety block covers a central hole in the end cover of the valve core and abuts against the end cover; the valve body on the upper side of the safety block is provided with a plurality of vertical exhaust grooves.
Preferably, the valve rod is a round rod, the diameter of the valve rod is smaller than the aperture of the central hole in the end cover, the valve head at the lower end of the valve rod is coated with a sealing sleeve, and the sealing sleeve is arranged between the valve head and the valve core.
Preferably, a plurality of sealing grooves are formed in the inner hole wall of the valve body at the valve core, sealing rings are inserted in the sealing grooves, and the sealing rings are pressed against the outer wall of the valve core.
Preferably, the locating piece be circular, the shaping has the screw thread on the outer wall of locating piece, the locating piece spiro union is in the valve body, the shaping has regular hexagon's card hole on the up end of locating piece.
Preferably, the safety block is circular, the outer wall of the safety block abuts against the inner hole wall of the valve body, a guide sleeve is formed on the safety block, and the guide sleeve is inserted and sleeved on the valve rod.
Preferably, the exhaust grooves are at least three, and are uniformly distributed in a ring shape around the central axis of the valve body.
Preferably, a buffer spring is fixed on the lower end face of the positioning block and is fixed on the lower end face of the positioning block.
The invention has the beneficial effects that: be equipped with safety block and buffer spring in the relief valve of its adoption, the air energy of pressure release with turn into and overcome the mechanical energy that safety block gravity ordered about the safety block and removed, when pressure was too high, buffer spring's spring force can balance compressed air's pressure, realizes the mild release of compressed air, improves the security of relief valve.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a half-section structure of the present invention.
In the figure: 1. a valve body; 11. connecting blocks; 12. connecting a threaded hole; 13. a lower connecting sleeve; 14. an exhaust groove; 2. a valve core; 21. an end cap; 22. connecting sleeves are arranged; 23. a valve bore; 3. a valve stem; 31. a valve head; 4. positioning blocks; 41. a clamping hole; 5. a safety block; 51. a guide sleeve; 6. a tension spring; 7. a buffer spring.
Detailed Description
Example (b): as shown in fig. 1 to 3, the pressure relief valve applied to the air compressor comprises a vertical tubular valve body 1, wherein a regular-hexagon connecting block 11 is formed at the lower end of the valve body 1, a threaded connecting hole 12 communicated with an inner hole of the valve body 1 is formed in the connecting block 11, and a lower connecting sleeve 13 communicated with the threaded connecting hole 12 is formed on the upper end surface of the connecting block 11; a cylindrical annular valve core 2 and a tension spring 6 are inserted into the lower end of an inner hole of the valve body 1, an annular end cover 21 is formed at the upper end of the valve core 2, an upper connecting sleeve 22 communicated with a central hole of the end cover 21 is formed on the lower end face of the end cover 21, and a conical valve hole 23 is formed in the upper connecting sleeve 22; the upper end plug bush of the tension spring 6 is fixed on the upper connecting sleeve 22, and the lower end plug bush of the tension spring 6 is fixed on the lower connecting sleeve 13; a vertical valve rod 3 is inserted into a central hole of an upper end cover 21 of the valve core 2, a spherical valve head 31 is formed at the lower end of the valve rod 3, the valve head 31 is pressed against the inner wall of a valve hole 23 on the valve core 2, the upper end of the valve rod 3 is inserted and fixed on a positioning block 4, and the positioning block 4 is inserted and fixed in the valve body 1; the valve rod 3 is inserted and sleeved with a safety block 5, and the safety block 5 covers a central hole in an end cover 21 of the valve core 2 and abuts against the end cover 21; a plurality of vertical exhaust grooves 14 are formed on the valve body 1 at the upper side of the safety block 5.
The valve rod 3 is a round rod, the diameter of the valve rod 3 is smaller than the aperture of a central hole in the end cover 21, a valve head 31 at the lower end of the valve rod 3 is coated with a sealing sleeve, and the sealing sleeve is arranged between the valve head 31 and the valve core 2.
A plurality of sealing grooves are formed in the inner hole wall of the valve body 1 at the position of the valve core 2, sealing rings 8 are inserted in the sealing grooves, and the sealing rings 8 are pressed on the outer wall of the valve core 2.
The positioning block 4 is circular, threads are formed on the outer wall of the positioning block 4, the positioning block 4 is in threaded connection with the valve body 1, and a regular-hexagon clamping hole 41 is formed in the upper end face of the positioning block 4.
The safety block 5 is circular, the outer wall of the safety block 5 abuts against the inner hole wall of the valve body 1, a guide sleeve 51 is formed on the safety block 5, and the guide sleeve 51 is inserted and sleeved on the valve rod 3.
The exhaust grooves 14 are at least provided with three channels, and the exhaust grooves 14 are uniformly distributed in a ring shape around the central axis of the valve body 1.
And a buffer spring 7 is fixed on the lower end face of the positioning block 4, and the buffer spring 7 is fixed on the lower end face of the positioning block 4.
The working principle is as follows: the invention is a pressure relief valve applied to an air compressor, the structure of the pressure relief valve when closed is shown in figure 3, a valve head 31 on a valve rod 3 seals a valve hole 23 on a valve core 2; when the pressure in the air storage tank is too high, the air pressure enters the valve core 2, the valve core 2 is driven to move upwards by the action force of the tension spring 6 if the air pressure can be generated, the valve hole 23 on the valve core 2 is separated from the valve head 31, high-pressure air can be flushed out through the valve hole 23, the flushed air impacts the safety block 5 and drives the safety block 5 to move upwards, the energy of the flushed air is weakened, the buffer spring 7 is arranged on the upper side of the safety block 5, the movable safety block 5 can be buffered by the buffer spring 7, the impact force of the air can be balanced, the energy of the air is further weakened, and the air discharged from the air discharge grooves 14 is small in energy and weak in impact, and cannot cause injury to personnel.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (5)
1. The utility model provides a be applied to relief valve on air compressor machine, includes vertical tubulose valve body (1), its characterized in that: a regular-hexagon connecting block (11) is formed at the lower end of the valve body (1), a threaded connecting hole (12) communicated with an inner hole of the valve body (1) is formed in the connecting block (11), and a lower connecting sleeve (13) communicated with the threaded connecting hole (12) is formed on the upper end face of the connecting block (11); a cylindrical annular valve core (2) and a tension spring (6) are inserted into the lower end of an inner hole of the valve body (1), an annular end cover (21) is formed at the upper end of the valve core (2), an upper connecting sleeve (22) communicated with a central hole of the end cover (21) is formed on the lower end face of the end cover (21), and a conical valve hole (23) is formed in the upper connecting sleeve (22); the upper end plug bush of the tension spring (6) is fixed on the upper connecting sleeve (22), and the lower end plug bush of the tension spring (6) is fixed on the lower connecting sleeve (13); a vertical valve rod (3) is inserted into a center hole of an upper end cover (21) of the valve core (2), a spherical valve head (31) is formed at the lower end of the valve rod (3), the valve head (31) is pressed against the inner wall of an upper valve hole (23) of the valve core (2), the upper end of the valve rod (3) is inserted and fixed on a positioning block (4), and the positioning block (4) is inserted and fixed in the valve body (1); the safety block (5) is inserted and sleeved on the valve rod (3), and the safety block (5) covers a central hole in an end cover (21) of the valve core (2) and abuts against the end cover (21); a plurality of vertical exhaust grooves (14) are formed on the valve body (1) on the upper side of the safety block (5);
the safety block (5) is circular, the outer wall of the safety block (5) abuts against the inner hole wall of the valve body (1), a guide sleeve (51) is formed on the safety block (5), and the guide sleeve (51) is inserted and sleeved on the valve rod (3);
and a buffer spring (7) is fixed on the lower end face of the positioning block (4), and the buffer spring (7) is fixed on the lower end face of the positioning block (4).
2. The pressure relief valve applied to the air compressor according to claim 1, is characterized in that: the valve rod (3) is a round rod, the diameter of the valve rod (3) is smaller than the aperture of a central hole in the end cover (21), a valve head (31) at the lower end of the valve rod (3) is coated with a sealing sleeve, and the sealing sleeve is arranged between the valve head (31) and the valve core (2).
3. The pressure relief valve applied to the air compressor according to claim 1, is characterized in that: a plurality of sealing grooves are formed in the inner hole wall of the valve body (1) at the valve core (2), sealing rings (8) are inserted in the sealing grooves, and the sealing rings (8) are pressed on the outer wall of the valve core (2).
4. The pressure relief valve applied to the air compressor according to claim 1, is characterized in that: the valve body is characterized in that the positioning block (4) is circular, threads are formed on the outer wall of the positioning block (4), the positioning block (4) is in threaded connection with the valve body (1), and a regular-hexagon clamping hole (41) is formed in the upper end face of the positioning block (4).
5. The pressure relief valve applied to the air compressor according to claim 1, is characterized in that: the exhaust grooves (14) are at least provided with three grooves, and the exhaust grooves (14) are uniformly distributed in a ring shape around the central axis of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882274.3A CN112013140B (en) | 2020-08-28 | 2020-08-28 | Be applied to relief valve on air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882274.3A CN112013140B (en) | 2020-08-28 | 2020-08-28 | Be applied to relief valve on air compressor machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112013140A CN112013140A (en) | 2020-12-01 |
| CN112013140B true CN112013140B (en) | 2022-04-29 |
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ID=73502308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010882274.3A Active CN112013140B (en) | 2020-08-28 | 2020-08-28 | Be applied to relief valve on air compressor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013140B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409545A (en) * | 1932-08-08 | 1934-05-03 | Pont A Mousson Fond | Improvements in and relating to relief-valves for pipes, containers and the like containing gas or other fluid |
| US3848629A (en) * | 1972-10-31 | 1974-11-19 | Schlumberger Technology Corp | Low flow safety valve with pressure lock |
| JP2008238465A (en) * | 2007-03-26 | 2008-10-09 | Seiko Epson Corp | Valve unit and fluid jet apparatus |
| CN101766863A (en) * | 2008-12-29 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Safety overflow valve |
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| DE1530712A1 (en) * | 1963-08-20 | 1969-04-10 | Fichtel & Sachs Ag | Hydropneumatic suspension with automatic height adjustment for motor vehicles |
| JP3990573B2 (en) * | 2002-01-18 | 2007-10-17 | 株式会社不二越 | Relief valve |
| US8205630B2 (en) * | 2008-06-10 | 2012-06-26 | Ausco, Inc. | Low pressure relief valve and method of manufacturing same |
| US9360126B2 (en) * | 2014-04-29 | 2016-06-07 | National Synchrotron Radiation Research Center | Relief valve assembly with anti-frozen shielding hat |
| CN204127282U (en) * | 2014-10-14 | 2015-01-28 | 玉环县台鹏机械厂 | A kind of outlet valve |
| CN205036923U (en) * | 2015-10-21 | 2016-02-17 | 锦州惠友油缸制造有限公司 | Multi -functional protecting against shock choke valve |
| CN206545734U (en) * | 2017-03-17 | 2017-10-10 | 湖南泵阀制造有限公司 | Balanced type Direct Action Type water attack release valve |
| CN207437858U (en) * | 2017-10-19 | 2018-06-01 | 延长油田股份有限公司 | A kind of water filling pump relief valve |
| CN209115749U (en) * | 2018-12-12 | 2019-07-16 | 东莞市合丰电子有限公司 | A kind of hardware flow spill valve |
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2020
- 2020-08-28 CN CN202010882274.3A patent/CN112013140B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409545A (en) * | 1932-08-08 | 1934-05-03 | Pont A Mousson Fond | Improvements in and relating to relief-valves for pipes, containers and the like containing gas or other fluid |
| US3848629A (en) * | 1972-10-31 | 1974-11-19 | Schlumberger Technology Corp | Low flow safety valve with pressure lock |
| JP2008238465A (en) * | 2007-03-26 | 2008-10-09 | Seiko Epson Corp | Valve unit and fluid jet apparatus |
| CN101766863A (en) * | 2008-12-29 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Safety overflow valve |
Non-Patent Citations (1)
| Title |
|---|
| 基于浸入实体法的氮气式水击泄压阀动态仿真;李树勋等;《工程热物理学报》;20170215(第02期);全文 * |
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| Publication number | Publication date |
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| CN112013140A (en) | 2020-12-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220407 Address after: 163000 320, 3rd floor, Yangguang Jiacheng complex building, east of Xiyuan street and west of Guangxia street, Ranghulu District, Daqing City, Heilongjiang Province Applicant after: Daqing Hecheng Petroleum Technology Development Co.,Ltd. Address before: Room 1318, 66 Huadi Avenue South, Liwan District, Guangzhou, Guangdong 510000 Applicant before: Hu Zhonghe |
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