CN112161094A - Self-adaptive pressure control valve - Google Patents
Self-adaptive pressure control valve Download PDFInfo
- Publication number
- CN112161094A CN112161094A CN202011082857.4A CN202011082857A CN112161094A CN 112161094 A CN112161094 A CN 112161094A CN 202011082857 A CN202011082857 A CN 202011082857A CN 112161094 A CN112161094 A CN 112161094A
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- air flow
- control mechanism
- flow control
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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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a self-adaptive pressure control valve which comprises a longitudinally-installed valve body and a transversely-installed valve body arranged at the top end of the longitudinally-installed valve body, wherein a partition plate structure is formed in the center inside the longitudinally-installed valve body. The invention is directly installed at the discharge port of high-pressure gas storage equipment, can directly utilize high-pressure gas as a control source, when the gas pressure is gradually reduced due to discharge, the spiral spring can directly detect corresponding conditions, at the moment, the pressure is reduced, so that the main spiral spring moves under the action of elasticity, the movement can be directly transmitted into the movable valve rod type air flow control mechanism, the size change of the gap of the discharge part is realized, the gap is enlarged, at the moment, the size of the gap of the discharge port is increased, the outward discharge amount of the internal gas is increased, and the requirement of the outside on stable discharge is met.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a self-adaptive pressure control valve.
Background
At present, the existing pressure valves use external force to control valve discharge, but because the pressure inside the sealed high-pressure gas is gradually reduced when the sealed high-pressure gas is discharged, the pressure value of the pressure control needs to be adjusted for a period of time, and the automation degree is low.
Disclosure of Invention
The present invention is directed to an adaptive pressure control valve to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a self-adaptive pressure control valve comprises a longitudinally-installed valve body and a transversely-installed valve body arranged at the top end of the longitudinally-installed valve body, wherein a partition plate structure is formed in the center of the interior of the longitudinally-installed valve body, a main first flow hole and a main second flow hole are respectively formed in the two sides of the partition plate structure of the longitudinally-installed valve body, a conical chamfer structure is arranged between the bottom end and the side surface of the longitudinally-installed valve body, a limit plate structure of an integrated structure is arranged in the middle of the side surface of the longitudinally-installed valve body, a main external thread structure of structural equipment is arranged below the limit plate structure on the side surface of the longitudinally-installed valve body, a main sealing ring is sleeved at the top of the main external thread structure, a main limit space is arranged in the interior of the transversely-installed valve body, the top end of the main first flow hole is communicated, the air compensation hole communicated with the external space is formed in the center of one end of the main telescopic space, the main spiral spring is arranged in one end of the air compensation hole in the main telescopic space, the main piston plate is arranged at one end of the spiral spring, the main component mounting space is arranged in the symmetrical end of the transverse mounting valve body and the air compensation hole, the main air flow hole communicated with the upper surface of the transverse mounting valve body and the top end of the main component mounting space is formed in the transverse mounting valve body, the main pipeline connecting port is formed in the top end of the main air flow hole, the auxiliary air flow hole communicated with the lower surface of the transverse mounting valve body and the bottom of the main component mounting space is formed in the transverse mounting valve body, the auxiliary air flow hole is communicated with the top end of the main second flow hole, the movable valve rod type air flow control mechanism is arranged in the main component mounting space, and the main telescopic rod is arranged at the center of one end of the main, the rod body of the main telescopic rod penetrates through the internal structure of the transverse installation valve body, and the end part of the main telescopic rod is fixedly connected with the internal structure of the movable valve rod type air flow control mechanism.
Further, the initial length of the main coil spring is greater than the lateral length of the main telescopic space.
Furthermore, the structural radius of the cross section of the main telescopic space is larger than that of the cross section of the main limiting space.
Furthermore, the transverse installation valve body is provided with an air seal ring at the part penetrating through the main telescopic rod.
Further, when the main piston plate moves from one end of the main limiting space to one end of the air compensation hole, the air discharge gap of the movable valve rod type air flow control mechanism is changed from small to large.
Further, the movable valve stem type air flow control mechanism includes a hollow housing for the movable valve stem type air flow control mechanism, a valve stem movement space for the movable valve stem type air flow control mechanism, a center hole for the movable valve stem type air flow control mechanism, a valve stem for the movable valve stem type air flow control mechanism, a stem mounting hole for the movable valve stem type air flow control mechanism, a bottom vent hole for the movable valve stem type air flow control mechanism, a top vent hole for the movable valve stem type air flow control mechanism, and a middle flow hole for the movable valve stem type air flow control mechanism.
Further, a valve rod moving space for the movable valve rod type air flow control mechanism is provided in the center of the inner part of the hollow housing for the movable valve rod type air flow control mechanism, a center hole for the movable valve rod type air flow control mechanism is provided in the center of one end face of the hollow housing for the movable valve rod type air flow control mechanism to communicate with the outside and the valve rod moving space for the movable valve rod type air flow control mechanism, a movable valve rod for the movable valve rod type air flow control mechanism is placed in the valve rod moving space for the movable valve rod type air flow control mechanism, a rod mounting hole for the movable valve rod type air flow control mechanism is provided in the center of one end of the valve rod for the movable valve rod type air flow control mechanism, and a bottom part for the movable valve rod type air flow control mechanism to communicate with the lower space and the bottom of the valve rod moving space for the movable valve rod type air flow control mechanism is provided in the hollow housing for the movable The valve rod for the movable valve rod type air flow control mechanism is longitudinally provided with a movable middle flow hole communicated with the bottom vent hole for the movable valve rod type air flow control mechanism and the top vent hole for the movable valve rod type air flow control mechanism through the top vent hole.
Further, the hollow housing for the movable valve stem type air flow control mechanism is installed inside the main member installation space, the center of the center hole for the movable valve stem type air flow control mechanism is penetrated by the stem body of the main telescopic stem, and one end of the main telescopic stem is installed inside the stem body installation hole for the movable valve stem type air flow control mechanism.
Further, the bottom of the bottom vent hole for the movable valve rod type air flow control mechanism and the top of the top vent hole for the movable valve rod type air flow control mechanism are respectively communicated with the top of the auxiliary air flow hole and the bottom of the main air flow hole.
Compared with the prior art, the invention has the beneficial effects that: the invention is directly installed at the discharge port of high-pressure gas storage equipment, can directly utilize high-pressure gas as a control source, when the gas pressure is gradually reduced due to discharge, the spiral spring can directly detect corresponding conditions, at the moment, the pressure is reduced, so that the main spiral spring moves under the action of elasticity, the movement can be directly transmitted into the movable valve rod type air flow control mechanism, the size change of the gap of the discharge part is realized, the gap is enlarged, at the moment, the size of the gap of the discharge port is increased, the outward discharge amount of the internal gas is increased, and the requirement of the outside on stable discharge is met.
Drawings
FIG. 1 is a schematic diagram of a full-section of an adaptive pressure control valve according to the present invention;
FIG. 2 is a schematic structural diagram of a moving valve stem type air flow control mechanism in an adaptive pressure control valve according to the present invention;
in the figure: 1, longitudinally installing a valve body, 2, transversely installing the valve body, 3, a main first flow hole, 4, a partition plate structure, 5, a main second flow hole, 6, a conical chamfer structure, 7, a limit plate structure, 8, a main external thread structure, 9, a main seal ring, 10, a main limit space, 11, a main expansion space, 12, an air compensation hole, 13, a main coil spring, 14, a main piston plate, 15, a main expansion link, 16, a main part installation space, 17, an auxiliary air flow hole, 18, a main air flow hole, 19, a main pipe connection port, 20, a movable valve rod type air flow control mechanism, 201, a hollow shell for the movable valve rod type air flow control mechanism, 202, a valve rod moving space for the movable valve rod type air flow control mechanism, 203, a central hole for the movable valve rod type air flow control mechanism, 204, a valve rod for the movable valve rod type air flow control mechanism, 205 rod mounting holes for moving valve rod type air flow control means, 206, bottom vent hole for moving valve rod type air flow control means, 207, top vent hole for moving valve rod type air flow control means, 208, middle flow hole for moving valve rod type air flow control means.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the vertical type double-layer valve comprises a vertical installation valve body 1 and a horizontal installation valve body 2 arranged at the top end of the vertical installation valve body 1, wherein a partition plate structure 4 is formed at the center of the interior of the vertical installation valve body 1, a main first flow hole 3 and a main second flow hole 5 are respectively arranged at two sides of the partition plate structure 4 of the vertical installation valve body 1, a conical chamfer structure 6 is arranged between the bottom end and the side surface of the vertical installation valve body 1, a limiting plate structure 7 of an integrated structure is arranged at the middle part of the side surface of the vertical installation valve body 1, a main external thread structure 8 of a structural device is arranged at the lower part of the limiting plate structure 7 at the side surface of the vertical installation valve body 1, a main sealing ring 9 is sleeved at the top part of the main external thread structure 8, a main limiting space 10 is arranged in the horizontal installation valve body 2, the top end of the main first flow hole 3 is communicated with the, an air compensation hole 12 communicated with the external space is arranged at the center of one end of the main telescopic space 11, a main spiral spring 13 is arranged inside one end of the air compensation hole 12 in the main telescopic space 11, a main piston plate 14 is arranged at one end of the spiral spring 13, a main component mounting space 16 is arranged inside the symmetrical end of the transverse mounting valve body 2 and the air compensation hole 12, a main air flow hole 18 communicated with the upper surface of the transverse mounting valve body 2 and the top end of the main component mounting space 16 is arranged inside the transverse mounting valve body 2, a main pipeline connecting port 19 is arranged at the top end of the main air flow hole 18, an auxiliary air flow hole 17 communicated with the lower surface of the transverse mounting valve body 2 and the bottom of the main component mounting space 16 is arranged inside the transverse mounting valve body 2, the auxiliary air flow hole 17 is communicated with the top end of the main second flow hole 5, and a movable valve rod type air flow control mechanism 20 is arranged inside the main component mounting space 16, a main telescopic rod 15 is arranged at the center of one end of the main piston plate 14, the rod body of the main telescopic rod 15 penetrates through the internal structure of the transverse installation valve body 2, and the end part of the main telescopic rod 15 is fixedly connected with the internal structure of the movable valve rod type air flow control mechanism 20.
The initial length of the main coil spring 13 is greater than the lateral length of the main telescopic space 11.
The structural radius of the cross section of the main telescopic space 11 is larger than that of the cross section of the main limiting space 10.
The transverse installation valve body 2 is provided with an air seal ring at the position where the main telescopic rod 15 penetrates.
When the main piston plate 14 moves from one end of the main stopper space 10 to one end of the air compensation hole 12, the air discharge gap of the moving valve stem type air flow control mechanism 20 is increased from small to large.
Referring to fig. 2, the moving valve stem type air flow control mechanism 20 includes a moving valve stem type air flow control mechanism hollow case 201, a moving valve stem moving space 202 for the moving valve stem type air flow control mechanism, a moving valve stem air flow control mechanism center hole 203, a moving valve stem 204 for the moving valve stem type air flow control mechanism, a moving valve stem type air flow control mechanism stem mounting hole 205, a moving valve stem type air flow control mechanism bottom vent hole 206, a moving valve stem type air flow control mechanism top vent hole 207, and a moving valve stem type air flow control mechanism middle flow hole 208; a valve rod moving space 202 for the movable valve rod type air flow control mechanism is arranged at the inner town center of the hollow shell 201 for the movable valve rod type air flow control mechanism, a center hole 203 for the movable valve rod type air flow control mechanism for communicating the outside and the valve rod moving space 202 for the movable valve rod type air flow control mechanism is arranged at the center of one end surface of the hollow shell 201 for the movable valve rod type air flow control mechanism, a movable valve rod 204 for the movable valve rod type air flow control mechanism is arranged in the valve rod moving space 202 for the movable valve rod type air flow control mechanism, a rod mounting hole 205 for the movable valve rod type air flow control mechanism is arranged at the center of one end of the valve rod 204 for the movable valve rod type air flow control mechanism, and a movable valve rod type air flow control mechanism for communicating the lower space of the movable valve rod type air flow control mechanism and the bottom of the valve rod moving space 202 for the movable valve rod type air flow control mechanism is arranged A control mechanism bottom vent hole 206, wherein a movable valve rod type air flow control mechanism top vent hole 207 communicating the upper space thereof with the top of the movable valve rod type air flow control mechanism stem movement space 202 is provided in the movable valve rod type air flow control mechanism hollow case 201, the movable valve rod type air flow control mechanism bottom vent hole 206 and the movable valve rod type air flow control mechanism top vent hole 207 are on the same vertical line, and a movable valve rod type air flow control mechanism middle flow hole 208 communicating with the movable valve rod type air flow control mechanism bottom vent hole 206 and the movable valve rod type air flow control mechanism top vent hole 207 is provided in the longitudinal direction of the movable valve rod type air flow control mechanism stem 204; the hollow housing 201 for the movable valve stem type air flow control mechanism is installed inside the main part installation space 16, the center of the center hole 203 for the movable valve stem type air flow control mechanism is penetrated by the stem body of the main telescopic stem 15, and one end of the main telescopic stem 15 is installed inside the stem body installation hole 205 for the movable valve stem type air flow control mechanism; the bottom of the movable valve stem type air flow control means bottom vent hole 206 and the top of the movable valve stem type air flow control means top vent hole 207 communicate with the top of the sub air flow hole 17 and the bottom of the main air flow hole 19, respectively.
The specific use mode is as follows: in the operation of the present invention, the main male screw structure 8 is screwed to the discharge connection end of the equipment storing high pressure gas, and at this time, the main discharge connection port 19 is connected to a gas inlet of a device requiring stable gas through a pipe, when the air inlet hole of the gas stabilizing device is required to be opened, at the moment, the air realizes the outward discharge function, when the gas pressure is gradually reduced due to the discharge, the coil spring can directly detect the corresponding situation, at this time, the pressure is reduced, so that the main spiral spring moves under the action of the elastic force, the movement can be directly transmitted to the interior of the movable valve rod type air flow control mechanism, so that the size of the gap of the discharge part is changed, the gap is enlarged, at the moment, due to the fact that the size of the gap of the discharge port is increased, the outward discharge amount of internal gas is increased, and the requirement of the outside for stable discharge is met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an adaptive type pressure control valve, includes vertical installation valve body (1) and sets up horizontal installation valve body (2) on vertical installation valve body (1) top, its characterized in that: the vertical installation valve body (1) is internally and centrally provided with a partition plate structure (4), the vertical installation valve body (1) is respectively provided with a main first flow hole (3) and a main second flow hole (5) at two sides of the partition plate structure (4), a conical chamfer structure (6) is arranged between the bottom end and the side surface of the vertical installation valve body (1), the middle part of the side surface of the vertical installation valve body (1) is provided with a limit plate structure (7) with an integrated structure, the side surface of the vertical installation valve body (1) is provided with a main external thread structure (8) of a structural device below the limit plate structure (7), the top of the main external thread structure (8) is sleeved with a main sealing ring (9), the inside of the horizontal installation valve body (2) is provided with a main limit space (10), the top end of the main first flow hole (3) is communicated with the side surface of the main limit space (10), and one end surface of the main limit space (10) is provided, the air compensation hole (12) that the one end center of main flexible space (11) was equipped with the external space of intercommunication, the inside in main flexible space (11) is being located main coil spring (13) is laid to the one end inside of air compensation hole (12), a main piston board (14) is laid to the one end of coil spring (13), transversely install valve body (2) and be equipped with main part installation space (16) in the symmetry end inside with air compensation hole (12), the inside of transversely installing valve body (2) is equipped with main air flow hole (18) that feeds through its upper surface and main part installation space (16) top, and the top of main air flow hole (18) is equipped with main pipe connection port (19), the inside of transversely installing valve body (2) is equipped with vice air flow hole (17) that feeds through its lower surface and main part installation space (16) bottom, the auxiliary air flow hole (17) is communicated with the top end of the main second flow hole (5), a movable valve rod type air flow control mechanism (20) is installed inside the main component installation space (16), a main telescopic rod (15) is installed at the center of one end of the main piston plate (14), a rod body of the main telescopic rod (15) penetrates through the internal structure of the transversely installed valve body (2), and the end portion of the main telescopic rod (15) is fixedly connected with the internal structure of the movable valve rod type air flow control mechanism (20).
2. The adaptive pressure control valve of claim 1, wherein: the initial length of the main spiral spring (13) is larger than the transverse length of the main telescopic space (11).
3. The adaptive pressure control valve of claim 1, wherein: the structural radius of the cross section of the main telescopic space (11) is larger than that of the cross section of the main limiting space (10).
4. The adaptive pressure control valve of claim 1, wherein: and the transverse installation valve body (2) is provided with an air seal ring at the part penetrating through the main telescopic rod (15).
5. The adaptive pressure control valve of claim 1, wherein: when the main piston plate (14) moves from one end of the main limit space (10) to one end of the air compensation hole (12), the air discharge gap of the movable valve rod type air flow control mechanism (20) is changed from small to large.
6. The adaptive pressure control valve of claim 1, wherein: the movable valve stem type air flow control mechanism (20) comprises a hollow shell (201) for the movable valve stem type air flow control mechanism, a valve stem moving space (202) for the movable valve stem type air flow control mechanism, a central hole (203) for the movable valve stem type air flow control mechanism, a valve stem (204) for the movable valve stem type air flow control mechanism, a stem mounting hole (205) for the movable valve stem type air flow control mechanism, a bottom vent hole (206) for the movable valve stem type air flow control mechanism, a top vent hole (207) for the movable valve stem type air flow control mechanism and a middle flow hole (208) for the movable valve stem type air flow control mechanism.
7. The adaptive pressure control valve of claim 6, wherein: the valve rod moving space (202) for the movable valve rod type air flow control mechanism is arranged at the inner town center of the hollow shell (201) for the movable valve rod type air flow control mechanism, a center hole (203) for the movable valve rod type air flow control mechanism is arranged at the center of one end face of the hollow shell (201) for the movable valve rod type air flow control mechanism and is communicated with the outside and the valve rod moving space (202) for the movable valve rod type air flow control mechanism, a movable valve rod (204) for the movable valve rod type air flow control mechanism is arranged in the valve rod moving space (202) for the movable valve rod type air flow control mechanism, a rod mounting hole (205) for the movable valve rod type air flow control mechanism is arranged at the center of one end of the valve rod (204) for the movable valve rod type air flow control mechanism, and a space communicated with the lower part of the hollow shell (201) for the movable valve rod type air flow control mechanism and a movable valve rod type A bottom vent (206) for a moving valve stem air flow control mechanism for moving the bottom of the space (202) with the valve stem, a top vent hole (207) for the movable valve rod type air flow control mechanism communicating the upper space of the hollow shell (201) for the movable valve rod type air flow control mechanism with the top of the valve rod moving space (202) for the movable valve rod type air flow control mechanism is arranged in the hollow shell, the bottom vent hole (206) for the moving valve rod type air flow control mechanism and the top vent hole (207) for the moving valve rod type air flow control mechanism are positioned on the same vertical line, a movable valve rod type air flow control mechanism middle flow hole (208) communicated with a movable valve rod type air flow control mechanism bottom vent hole (206) and a movable valve rod type air flow control mechanism top vent hole (207) is formed in the longitudinal direction of a valve rod (204) for the movable valve rod type air flow control mechanism.
8. The adaptive pressure control valve of claim 7, wherein: the hollow housing (201) for the movable valve stem type air flow control mechanism is mounted inside the main component mounting space (16), the center of the center hole (203) for the movable valve stem type air flow control mechanism is penetrated by the stem body of the main telescopic stem (15), and one end of the main telescopic stem (15) is mounted inside the stem body mounting hole (205) for the movable valve stem type air flow control mechanism.
9. The adaptive pressure control valve of claim 7, wherein: the bottom of the bottom vent hole (206) for the movable valve rod type air flow control mechanism and the top of the top vent hole (207) for the movable valve rod type air flow control mechanism are respectively communicated with the top of the auxiliary air flow hole (17) and the bottom of the main air flow hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082857.4A CN112161094A (en) | 2020-10-12 | 2020-10-12 | Self-adaptive pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082857.4A CN112161094A (en) | 2020-10-12 | 2020-10-12 | Self-adaptive pressure control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112161094A true CN112161094A (en) | 2021-01-01 |
Family
ID=73868129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011082857.4A Withdrawn CN112161094A (en) | 2020-10-12 | 2020-10-12 | Self-adaptive pressure control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112161094A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546786A (en) * | 1982-03-26 | 1985-10-15 | Jidosha Kiki Co., Ltd. | Flow control valve |
| CN101737538A (en) * | 2008-11-10 | 2010-06-16 | 北京航空航天大学 | Flow control valve device and design method for flow control type hole |
| US20150276088A1 (en) * | 2014-03-25 | 2015-10-01 | Hamilton Sundstrand Corporation | Pressure regulating valve and method of adjusting damping of the same |
| CN106678428A (en) * | 2015-11-04 | 2017-05-17 | 弗朗茨·卡尔德威有限及两合公司 | A fluid valve and a water-supply system provided with the same |
| CN107725853A (en) * | 2017-11-14 | 2018-02-23 | 吉林大学 | Flow quantity self-adjusting section control valve based on pressure |
| CN210859940U (en) * | 2019-09-30 | 2020-06-26 | 沪航科技集团有限公司 | Novel pressure reducing valve |
| CN211423484U (en) * | 2020-01-10 | 2020-09-04 | 罗伯特·博世有限公司 | Pressure reducing valve |
-
2020
- 2020-10-12 CN CN202011082857.4A patent/CN112161094A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546786A (en) * | 1982-03-26 | 1985-10-15 | Jidosha Kiki Co., Ltd. | Flow control valve |
| CN101737538A (en) * | 2008-11-10 | 2010-06-16 | 北京航空航天大学 | Flow control valve device and design method for flow control type hole |
| US20150276088A1 (en) * | 2014-03-25 | 2015-10-01 | Hamilton Sundstrand Corporation | Pressure regulating valve and method of adjusting damping of the same |
| CN106678428A (en) * | 2015-11-04 | 2017-05-17 | 弗朗茨·卡尔德威有限及两合公司 | A fluid valve and a water-supply system provided with the same |
| CN107725853A (en) * | 2017-11-14 | 2018-02-23 | 吉林大学 | Flow quantity self-adjusting section control valve based on pressure |
| CN210859940U (en) * | 2019-09-30 | 2020-06-26 | 沪航科技集团有限公司 | Novel pressure reducing valve |
| CN211423484U (en) * | 2020-01-10 | 2020-09-04 | 罗伯特·博世有限公司 | Pressure reducing valve |
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Application publication date: 20210101 |