CN113685590B - High-strength explosion-proof valve - Google Patents
High-strength explosion-proof valve Download PDFInfo
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- CN113685590B CN113685590B CN202111248109.3A CN202111248109A CN113685590B CN 113685590 B CN113685590 B CN 113685590B CN 202111248109 A CN202111248109 A CN 202111248109A CN 113685590 B CN113685590 B CN 113685590B
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- pressure relief
- valve core
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- pressure
- adjusting
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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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- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a high-strength explosion-proof valve, and relates to the technical field of valves; the expansion valve comprises an expansion shell, a sealing end cover, a valve body and an adjusting end cover, wherein the valve body is installed between the sealing end cover and the adjusting end cover, the sealing end cover is fixedly installed at the top of the expansion shell, an inlet flow passage and an outlet flow passage are respectively arranged at two ends of the valve body, a pressure relief cavity is arranged between the inlet flow passage and the outlet flow passage, and the top of the pressure relief cavity is provided with the adjusting cavity. According to the invention, the pressure relief valve core descends, a medium is guided into the outlet flow channel for pressure relief, primary explosion-proof pressure relief operation is carried out, when the medium pressure continuously rises, the pressure in the pressure relief cavity is continuously increased, the pressure relief valve core is driven to continuously descend, the medium enters the expansion shell after contacting with the limiting seat, the pressure enters the confluence cavity from the pressure discharge pipe and jacks up the movable valve core, and further the medium pressure is secondarily released, so that the explosion-proof performance of the valve is effectively improved, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a high-strength explosion-proof valve.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boilers, pressure vessels and pipelines, the control pressure does not exceed a specified value, the safety valve plays an important role in protecting personal safety and equipment operation, and the explosion-proof safety valve is widely applied to pipelines in coal chemical industry, petrochemical industry, rubber, papermaking, pharmacy and the like.
The explosion-proof safety valve plays a safety protection role in the system, when the pressure of the system exceeds a specified value, the safety valve is opened, a part of gas/fluid in the system is discharged to the outside of the atmosphere/pipeline, so that the pressure of the system does not exceed an allowable value, the system is ensured not to have accidents caused by overhigh pressure, however, when the flow rate in a plurality of pipelines is changed or materials are initially introduced, the change of the internal pressure causes instant impact on the explosion-proof valve, the pressure relief speed of the valve is slow along with the pressure impact, so that the pressure release of the impact is slow, and the safety is influenced.
In view of the above, the present invention provides a high-strength explosion-proof valve, so as to solve the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a high-strength explosion-proof valve.
The invention provides a high-strength explosion-proof valve, which comprises a dilatation shell, a sealing end cover, a valve body and an adjusting end cover, wherein the valve body is arranged between the sealing end cover and the adjusting end cover, the sealing end cover is fixedly arranged at the top of the dilatation shell, an inlet flow channel and an outlet flow channel are respectively arranged at two ends of the valve body, a pressure relief cavity is arranged between the inlet flow channel and the outlet flow channel, an adjusting cavity is arranged at the top of the pressure relief cavity, a pressure relief valve core is slidably arranged in the pressure relief cavity, a main telescopic rod and a main adjusting spring are fixedly arranged at the top of the pressure relief valve core, a limiting seat is arranged in the dilatation shell, the top of the limiting seat is matched with the pressure relief valve core, a pressing block is arranged between the main telescopic rod and the top of the main adjusting spring, an adjusting screw rod is rotatably arranged at the top of the pressing block, and the adjusting screw rod is in threaded connection with the adjusting end cover, the regulating wheel is installed at adjusting screw's top, the top of pressure release case is provided with the mounting groove, and the internally mounted of mounting groove has the protecting against shock subassembly, export runner middle part is provided with the manifold chamber, and is provided with the pressure-discharging pipe between the bottom in manifold chamber and the side of dilatation casing, the top spiro union in manifold chamber has the regulation gland, and the bottom rotation of adjusting the gland installs vice telescopic link and vice adjusting spring, the inside bottom slidable mounting in manifold chamber has the movable valve core, and the top of movable valve core is connected with vice telescopic link and vice adjusting spring's bottom.
Preferably, the anti-impact assembly comprises a threaded cover, a guide rod and a slow-release spring are mounted at the top of the threaded cover, a protection pin is slidably mounted on the outer side of the guide rod, and the bottom of the protection pin is stably connected with the slow-release spring.
In the invention, preferably, the top end of the protection pin is in a conical structure, and the side surface of the protection pin is provided with a guide groove in a V-shaped structure.
In the invention, preferably, the pressure relief valve core further comprises a bracket mechanism fixedly mounted at the bottom, and the bottom of the inner wall of the pressure relief cavity is provided with a guide groove matched with the bracket mechanism.
Preferably, the bracket mechanism comprises a tray, a connecting column is fixedly mounted at the top of the tray, a cushion pad is fixedly mounted on the outer side of the connecting column, and a plurality of guide plates matched with the guide grooves are arranged on the outer side of the tray.
In the invention, preferably, a slow release gap is arranged between the tray and the pressure relief valve core, and the guide grooves are distributed around the slow release gap.
Preferably, the movable valve core comprises a valve core rod with a cylindrical structure, a main channel groove matched with the outlet channel is formed in the upper portion of the valve core rod, a pressure discharge cavity matched with the pressure discharge pipe is formed in the lower portion of the valve core rod, and an auxiliary channel groove matched with the outlet channel is formed in the side face of the pressure discharge cavity.
In the invention, preferably, an extension end is arranged at the top of the pressure relief valve core, and a sealing packing ring is arranged between the outer side of the extension end and the inner part of the regulating cavity.
Compared with the prior art, the invention provides a high-strength explosion-proof valve which has the following beneficial effects:
the invention is provided with an inlet flow passage, an outlet flow passage and a pressure relief cavity, when in use, the movable set pressures of a pressure relief valve core and a movable valve core are respectively adjusted by rotating an adjusting screw rod and an adjusting gland, when the pressure in a pressure container fluctuates instantly, a medium enters from the inlet flow passage to be contacted with an anti-impact component to drive the anti-impact component to descend so as to introduce part of the medium into the pressure relief cavity, the pressure relief valve core is driven to descend along with the aggravation of impact, the medium is guided into the outlet flow passage to be relieved for primary explosion-proof pressure relief operation, when the pressure of the medium rises continuously, the pressure in the pressure relief cavity is increased continuously so as to drive the pressure relief valve core to descend continuously, the medium enters into a capacity expansion shell after contacting with a limiting seat, the pressure enters into a confluence cavity from a pressure discharge pipe to jack up the movable valve core, and the pressure of the medium is released secondarily, thereby effectively improving the explosion-proof performance of the valve, the safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-strength explosion-proof valve according to the present invention;
FIG. 2 is a schematic diagram of a partially enlarged structure of a high-strength explosion-proof valve according to the present invention;
FIG. 3 is a schematic view of a protection pin structure of a high-strength explosion-proof valve according to the present invention;
FIG. 4 is a schematic structural diagram of a bracket mechanism of a high-strength explosion-proof valve according to the present invention;
FIG. 5 is a schematic structural view of a movable valve core of a high-strength explosion-proof valve according to the present invention;
fig. 6 is a schematic sectional structural view of a movable valve element of a high-strength explosion-proof valve provided by the invention.
In the figure: 1. expanding the volume of the shell; 2. a guide groove; 3. a pressure relief cavity; 4. an impact-resistant component; 401. a threaded cap; 402. a slow release spring; 403. a guide bar; 404. a guard pin; 5. an inlet flow channel; 6. a valve body; 7. a main telescopic rod; 8. adjusting the end cover; 9. adjusting the screw rod; 10. an adjustment wheel; 11. adjusting a gland; 12. an auxiliary telescopic rod; 13. an auxiliary adjusting spring; 14. a manifold chamber; 15. a main adjusting spring; 16. an adjustment chamber; 17. an outlet flow passage; 18. a movable valve core; 181. a valve core rod; 182. a main runner groove; 183. a pressure discharge cavity; 184. a secondary flow channel groove; 19. a pressure discharge pipe; 20. sealing the end cap; 21. a pressure relief valve core; 22. a carriage mechanism; 221. a tray; 222. connecting columns; 223. a cushion pad; 224. a guide plate; 23. a limiting seat.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-6, a high-strength explosion-proof valve comprises a dilatation casing 1, a sealing end cover 20, a valve body 6 and an adjusting end cover 8, wherein the valve body 6 is installed between the sealing end cover 20 and the adjusting end cover 8, the sealing end cover 20 is fixedly installed at the top of the dilatation casing 1, two ends of the valve body 6 are respectively provided with an inlet runner 5 and an outlet runner 17, a pressure relief cavity 3 is arranged between the inlet runner 5 and the outlet runner 17, the top of the pressure relief cavity 3 is provided with an adjusting cavity 16, a pressure relief valve core 21 is slidably installed inside the pressure relief cavity 3, a main telescopic rod 7 and a main adjusting spring 15 are fixedly installed at the top of the pressure relief valve core 21, a limiting seat 23 is installed inside the dilatation casing 1, the top of the limiting seat 23 is matched with the pressure relief valve core 21, a pressing block is installed between the main telescopic rod 7 and the top of the main adjusting spring 15, and an adjusting screw 9 is rotatably installed at the top of the pressing block, the adjusting screw 9 is in threaded connection with the adjusting end cover 8, the adjusting wheel 10 is installed at the top of the adjusting screw 9, the mounting groove is formed at the top of the pressure relief valve core 21, the anti-impact assembly 4 is installed inside the mounting groove, the converging cavity 14 is formed in the middle of the outlet runner 17, the pressure exhaust pipe 19 is arranged between the bottom of the converging cavity 14 and the side face of the expansion shell 1, the adjusting gland 11 is screwed at the top of the converging cavity 14, the auxiliary telescopic rod 12 and the auxiliary adjusting spring 13 are rotatably installed at the bottom of the adjusting gland 11, the movable valve core 18 is slidably installed at the bottom end inside the converging cavity 14, the top of the movable valve core 18 is connected with the bottom ends of the auxiliary telescopic rod 12 and the auxiliary adjusting spring 13, the inlet runner 5, the outlet runner 17 and the pressure relief cavity 3 are arranged in the invention, and the movable set pressures of the pressure relief valve core 21 and the movable valve core 18 are respectively adjusted by rotating the adjusting screw 9 and the adjusting gland 11 when in use, when pressure in pressure vessel appears fluctuating in the twinkling of an eye, the medium gets into from inlet runner 5 and prevents the contact of impact subassembly 4, drive to prevent that impact subassembly 4 descends and introduce partial medium in pressure release chamber 3, along with the impact aggravation, drive pressure release case 21 descends, carry out the pressure release in leading to export runner 17 with the medium, carry out preliminary explosion-proof pressure release operation, continuously rise when medium pressure, cause 3 internal pressure in pressure release chamber to continuously increase and then drive pressure release case 21 and continuously descend, medium enters into dilatation casing 1 inside with spacing seat 23 contact back, pressure enters into from pressure pipe 19 and converges chamber 14 in with movable case 18 jack-up, and then carry out the secondary release to medium pressure, the explosion-proof performance of effectual improvement valve, the security improves.
As a further scheme of the present invention, the impact prevention component 4 includes a threaded cover 401, the top of the threaded cover 401 is provided with a guide rod 403 and a slow-release spring 402, the outer side of the guide rod 403 is slidably provided with a protection pin 404, the bottom of the protection pin 404 is stably connected with the slow-release spring 402, the top end of the protection pin 404 is inserted into the inlet flow channel 5, when medium pressure impacts the protection pin 404, the protection pin 404 descends to communicate the inlet flow channel 5 with the pressure release cavity 3, and simultaneously, the pressure release valve core 21 is driven to descend to generate a gap, so that initial slow release is obtained when the impacted pressure enters the pressure release cavity 3, the impact effect on the pressure release valve core 21 is effectively reduced, and vibration and impact generated during the operation of the explosion-proof valve are reduced.
As a further scheme of the present invention, the top end of the protection pin 404 is in a tapered structure, and the side surface of the protection pin 404 is provided with a guide groove in a V-shaped structure, so that when a medium impacts the protection pin 404, the medium enters the pressure relief cavity 3 through the guide groove, and as the pressure rises, the flow rate inside the guide groove continuously increases, and the protection pin 404 is guided to be separated from the inlet flow channel 5, so that the pressure of the medium is diffused from the local part to the outside, and the impact force of the instantaneous pressure on the pressure relief valve core 21 is further reduced.
As a further scheme of the present invention, the pressure relief valve core 21 further includes a bracket mechanism 22 fixedly mounted at the bottom, and the bottom of the inner wall of the pressure relief cavity 3 is provided with a guide groove 2 adapted to the bracket mechanism 22, when the pressure relief valve core 21 descends, the periphery of the bracket mechanism 22 is slidably connected to the guide groove 2, so as to improve the stability of the downward movement of the pressure relief valve core 21, and when the pressure relief valve core 21 continuously descends, a medium is divided from the guide groove 2 and flows downward to be ejected, so as to disperse the transient impact caused by medium fluctuation, and further improve the safety of the explosion-proof valve when in use.
As a further scheme of the present invention, the bracket mechanism 22 includes a tray 221, a connection post 222 is fixedly installed on the top of the tray 221, a cushion 223 is fixedly installed on the outer side of the connection post 222, a plurality of guide plates 224 adapted to the guide grooves 2 are arranged on the outer side of the tray 221, the bracket mechanism 22 is installed on the bottom of the pressure relief valve core 21, when an impact is applied, the bracket mechanism 22 moves downward to contact with the limiting seat 23, and the cushion 223 is arranged to reduce the impact force of the pressure relief valve core 21 when the pressure relief valve core 21 falls, thereby effectively protecting the performance of the pressure relief valve core 21, the main telescopic rod 7 and the main adjusting spring 15, and improving the sensitivity of the valve in use.
As a further scheme of the present invention, a slow release gap is provided between the tray 221 and the pressure relief valve element 21, the guide grooves 2 are distributed around the slow release gap, the medium continuously descends, and when a height difference occurs between the top of the pressure relief valve element 21 and the guide grooves 2, the medium enters the space of the slow release gap to be diffused and redistributed, and then rapidly descends in the guide grooves 2, so as to decompose and slowly release the impact brought by the medium, thereby further improving the protection effect on the pressure relief valve element 21.
As a further scheme of the present invention, the movable valve element 18 includes a valve element rod 181 with a cylindrical structure, and the upper portion of the valve element rod 181 is provided with a main flow channel groove 182 adapted to the outlet flow channel 17, the lower portion of the valve element rod 181 is provided with a pressure discharge chamber 183 adapted to the pressure discharge pipe 19, and the side surface of the pressure discharge chamber 183 is provided with a secondary flow channel groove 184 adapted to the outlet flow channel 17, when the medium is released from the upper end of the pressure discharge chamber 3 only, the medium is released from the main flow channel groove 182, the medium in the expansion housing 1 enters the pressure discharge chamber 183 of the movable valve element 18, the movable valve element 18 is jacked up, the medium enters the pressure discharge chamber 183 to be collected, the medium is released from the outlet of the outlet flow channel 17, the space in the expansion housing 1 is secondarily blocked and protected by the movable valve element 18, the impact of the medium on the pressure discharge pipe is reduced, and secondly, the two layers of protection improve the stability of the pressure release pressure fluctuation of the valve, the protection effect of the explosion-proof valve is enhanced.
As a further scheme of the present invention, an extension end is provided at the top of the pressure relief valve core 21, and a sealing packing ring is provided between the outside of the extension end and the inside of the regulation cavity 16, when the pressure relief valve core 21 moves, the extension end at the top thereof always slides inside the regulation cavity 16, and the sealing effect inside the regulation cavity 16 is maintained by the action of the sealing packing ring.
When in use, the movable set pressures of the pressure relief valve core 21 and the movable valve core 18 are respectively adjusted by rotating the adjusting screw rod 9 and the adjusting gland 11, when the pressure in the pressure container fluctuates instantaneously, the medium enters from the inlet channel 5 and contacts with the impact-proof component 4 to drive the impact-proof component 4 to descend so as to introduce part of the medium into the pressure relief cavity 3, along with the shock aggravation, the pressure relief valve core 21 is driven to descend, the medium is guided to the outlet flow channel 17 for pressure relief, the preliminary explosion-proof pressure relief operation is carried out, when the medium pressure continuously rises, the pressure in the pressure relief cavity 3 is continuously increased, and the pressure relief valve core 21 is driven to continuously fall, after the medium is contacted with the limiting seat 23, the medium enters the expansion shell 1, the pressure enters the confluence cavity 14 from the pressure discharge pipe 19 to jack up the movable valve core 18, and further secondary release is performed on the medium pressure, so that the explosion-proof performance of the valve is effectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A high-strength explosion-proof valve comprises a capacity expansion shell (1), a sealing end cover (20), a valve body (6) and an adjusting end cover (8), wherein the valve body (6) is installed between the sealing end cover (20) and the adjusting end cover (8), the sealing end cover (20) is fixedly installed at the top of the capacity expansion shell (1), two ends of the valve body (6) are respectively provided with an inlet flow channel (5) and an outlet flow channel (17), a pressure relief cavity (3) is arranged between the inlet flow channel (5) and the outlet flow channel (17), the top of the pressure relief cavity (3) is provided with an adjusting cavity (16), the high-strength explosion-proof valve is characterized in that a pressure relief valve core (21) is slidably installed inside the pressure relief cavity (3), a main telescopic rod (7) and a main adjusting spring (15) are fixedly installed at the top of the pressure relief valve core (21), and a limiting seat (23) is installed inside the capacity expansion shell (1), the top of the limiting seat (23) is matched with the pressure relief valve core (21), a pressing block is installed between the main telescopic rod (7) and the top of the main adjusting spring (15), an adjusting screw rod (9) is installed on the top of the pressing block in a rotating mode, the adjusting screw rod (9) is in threaded connection with the adjusting end cover (8), an adjusting wheel (10) is installed on the top of the adjusting screw rod (9), an installation groove is formed in the top of the pressure relief valve core (21), an impact-proof assembly (4) is installed inside the installation groove, a confluence cavity (14) is formed in the middle of the outlet flow channel (17), a pressure discharge pipe (19) is arranged between the bottom of the confluence cavity (14) and the side face of the expansion shell (1), an adjusting gland (11) is connected to the top of the confluence cavity (14) in a threaded mode, and an auxiliary telescopic rod (12) and an auxiliary adjusting spring (13) are installed on the bottom of the adjusting gland (11) in a rotating mode, the bottom end in the confluence cavity (14) is provided with a movable valve core (18) in a sliding way, and the top of the movable valve core (18) is connected with the bottom ends of the auxiliary telescopic rod (12) and the auxiliary adjusting spring (13);
protecting against shock subassembly (4) include screw cap (401), and guide bar (403) and slow release spring (402) are installed to the top of screw cap (401), the outside slidable mounting of guide bar (403) has protection round pin (404), and the bottom and the slow release spring (402) of protection round pin (404) are connected firmly, and protection round pin (404) top is inserted to inside intake runner (5).
2. A high strength explosion-proof valve according to claim 1, wherein the top end of the protection pin (404) is in a tapered structure, and the side surface of the protection pin (404) is provided with a guide groove in a V-shaped structure.
3. The high-strength explosion-proof valve according to claim 1, characterized in that the pressure relief valve core (21) further comprises a bracket mechanism (22) fixedly mounted at the bottom, and the bottom of the inner wall of the pressure relief cavity (3) is provided with a guide groove (2) matched with the bracket mechanism (22).
4. A high-strength explosion-proof valve according to claim 3, wherein the bracket mechanism (22) comprises a tray (221), a connecting column (222) is fixedly installed at the top of the tray (221), a cushion pad (223) is fixedly installed at the outer side of the connecting column (222), and a plurality of guide plates (224) matched with the guide grooves (2) are arranged at the outer side of the tray (221).
5. The high-strength explosion-proof valve according to claim 4, characterized in that a slow release gap is arranged between the tray (221) and the pressure relief valve core (21), and the guide grooves (2) are distributed around the slow release gap.
6. The high-strength explosion-proof valve according to claim 1, characterized in that the movable valve core (18) comprises a valve core rod (181) with a cylindrical structure, a main channel groove (182) matched with the outlet channel (17) is arranged at the upper part of the valve core rod (181), a pressure discharge cavity (183) matched with the pressure discharge pipe (19) is arranged at the lower part of the valve core rod (181), and a secondary channel groove (184) matched with the outlet channel (17) is arranged at the side surface of the pressure discharge cavity (183).
7. A high strength explosion-proof valve according to claim 1, wherein the top of the pressure relief valve core (21) is provided with an extension end, and a sealing packing ring is arranged between the outer side of the extension end and the inner part of the regulating cavity (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248109.3A CN113685590B (en) | 2021-10-26 | 2021-10-26 | High-strength explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248109.3A CN113685590B (en) | 2021-10-26 | 2021-10-26 | High-strength explosion-proof valve |
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| Publication Number | Publication Date |
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| CN113685590A CN113685590A (en) | 2021-11-23 |
| CN113685590B true CN113685590B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111248109.3A Active CN113685590B (en) | 2021-10-26 | 2021-10-26 | High-strength explosion-proof valve |
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| CN (1) | CN113685590B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114483978A (en) * | 2021-12-28 | 2022-05-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Sealing valve structure with reverse pressure relief function |
| CN114458798A (en) * | 2022-01-29 | 2022-05-10 | 江门市保值久机电有限公司 | Exhaust water stop valve with magnetic reed switch |
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| CN201973247U (en) * | 2011-04-27 | 2011-09-14 | 西安奥益达石油技术开发有限公司 | Endless belt type high-voltage explosion prevention electromagnetic valve |
| CN102182848A (en) * | 2011-04-27 | 2011-09-14 | 西安奥益达石油技术开发有限公司 | Mechanical over-voltage/ low-voltage protective device for high-voltage anti-explosion electromagnetic valve |
| CN104696565A (en) * | 2015-03-30 | 2015-06-10 | 济南大学 | Guide structure based anti-explosion valve |
| CN111853249A (en) * | 2020-07-31 | 2020-10-30 | 安徽宝龙电器有限公司 | Mining explosion-proof solenoid valve |
| CN212960030U (en) * | 2020-07-28 | 2021-04-13 | 上海怀誉自动化科技有限公司 | Positive pressure explosion-proof control cabinet is from pressure release mechanism |
-
2021
- 2021-10-26 CN CN202111248109.3A patent/CN113685590B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201973247U (en) * | 2011-04-27 | 2011-09-14 | 西安奥益达石油技术开发有限公司 | Endless belt type high-voltage explosion prevention electromagnetic valve |
| CN102182848A (en) * | 2011-04-27 | 2011-09-14 | 西安奥益达石油技术开发有限公司 | Mechanical over-voltage/ low-voltage protective device for high-voltage anti-explosion electromagnetic valve |
| CN104696565A (en) * | 2015-03-30 | 2015-06-10 | 济南大学 | Guide structure based anti-explosion valve |
| CN212960030U (en) * | 2020-07-28 | 2021-04-13 | 上海怀誉自动化科技有限公司 | Positive pressure explosion-proof control cabinet is from pressure release mechanism |
| CN111853249A (en) * | 2020-07-31 | 2020-10-30 | 安徽宝龙电器有限公司 | Mining explosion-proof solenoid valve |
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| CN113685590A (en) | 2021-11-23 |
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