CN116447385B - High-performance composite material valve - Google Patents
High-performance composite material valve Download PDFInfo
- Publication number
- CN116447385B CN116447385B CN202310336077.5A CN202310336077A CN116447385B CN 116447385 B CN116447385 B CN 116447385B CN 202310336077 A CN202310336077 A CN 202310336077A CN 116447385 B CN116447385 B CN 116447385B
- Authority
- CN
- China
- Prior art keywords
- valve
- fixedly connected
- spoiler
- plates
- ring frame
- Prior art date
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 55
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- 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
- F16K47/01—Damping of valve members
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- 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
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
-
- 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
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
- F16K47/045—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member and the closure member being rotatable
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a valve, in particular to a high-performance composite material valve. The self-adaptive hydraulic valve has the beneficial effects of being capable of self-adapting to water pressure and avoiding the valve from being scrapped due to the fact that the valve bears extrusion of high pressure for a long time. The high-performance composite material valve comprises two valve plates, wherein two valve plates are arranged up and down, two valve bodies are fixedly connected between the two valve plates in a sealing way, a valve cavity is formed between the two valve plates and the two valve bodies, shunt pipes communicated with the valve cavity are fixedly connected on the two valve bodies, two rotating shafts are fixedly connected between the two valve plates, spoiler plates are sleeved on the two rotating shafts, and a plurality of spring pieces are fixedly connected between the spoiler plates and the corresponding rotating shafts in a surrounding way; square holes which are mutually communicated are arranged on the two spoilers. Two bosses matched with the square holes are fixedly connected to the positions, communicated with the cavities, of the two shunt tubes.
Description
Technical Field
The invention relates to a valve, in particular to a high-performance composite material valve.
Background
The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The variety and size of valves used in extremely complex self-control systems, ranging from the simplest shut-off valves, is quite large. However, the traditional valve cannot adapt to water pressure, so that the valve is extruded under high pressure for a long time, and the valve is scrapped.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the high-performance composite material valve which has the beneficial effects of being capable of self-adapting to water pressure and avoiding scrapping of the valve caused by long-time extrusion of high pressure born by the valve.
The technical scheme adopted for solving the technical problems is as follows:
the high-performance composite material valve comprises two valve plates, wherein two valve plates are arranged up and down, two valve bodies are fixedly connected between the two valve plates in a sealing way, a valve cavity is formed between the two valve plates and the two valve bodies, shunt pipes communicated with the valve cavity are fixedly connected on the two valve bodies, two rotating shafts are fixedly connected between the two valve plates, spoiler plates are sleeved on the two rotating shafts, and a plurality of spring pieces are fixedly connected between the spoiler plates and the corresponding rotating shafts in a surrounding way; square holes which are mutually communicated are arranged on the two spoilers.
Two bosses matched with the square holes are fixedly connected to the positions, communicated with the cavities, of the two shunt tubes.
A ring frame is arranged between the two valve plates, and a spoiler is hinged in the ring frame.
Two ends of the ring frame are fixedly connected with sliding seats, sleeve rods are connected to the two sliding seats in a sliding manner, and the two sleeve rods are fixedly connected to the two valve bodies respectively; a pressure spring I is fixedly connected between the sliding seat and the corresponding loop bar; each sliding seat is fixedly connected with two ejector rods; the ejector rod corresponds to the position of the spoiler, which is close to the rotating shaft.
And the two ends of the ring frame are respectively provided with a baffle plate and an inserting block for limiting the spoiler.
The retaining piece is fixedly connected to one sliding seat, the insert block is inserted into the other sliding seat, the insert block is connected with a post in a sliding mode, the post is fixedly connected to the ring frame, and a tension spring is fixedly connected between the insert block and the ring frame.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic structural view of a high performance composite valve;
FIGS. 2 to 3 are schematic views of the structure of the interior of a high performance composite valve;
FIG. 4 is a schematic view of the structure of the valve plate and the valve body;
FIG. 5 is a schematic view of the structure of a valve plate and spoiler;
FIG. 6 is a schematic view of a configuration of a boss and spoiler engaged;
FIG. 7 is a schematic view of a spoiler;
FIG. 8 is a schematic view of the structure of the ring frame;
FIG. 9 is a schematic view of a spoiler;
FIG. 10 is a schematic view of a plug block;
FIG. 11 is a schematic view of the structure of a pushrod and triangular block;
fig. 12 is a schematic structural diagram of a spoiler in mating connection.
Detailed Description
As shown in fig. 1 to 3 and 5, 7:
the high-performance composite material valve comprises two valve plates 101, a left valve body 102 and a right valve body 102 are fixedly connected between the two valve plates 101 which are arranged up and down in a sealing way, a valve cavity is formed between the two valve plates 101 and the two valve bodies 102, a shunt pipe 103 communicated with the valve cavity is fixedly connected to the two valve bodies 102, two rotating shafts 203 are fixedly connected between the two valve plates 101, spoiler 201 is sleeved on the two rotating shafts 203, and a plurality of spring pieces 204 are fixedly connected between the spoiler 201 and the corresponding rotating shafts 203 in a surrounding way; square holes 202 which are communicated with each other are arranged on the two spoilers 201;
the water inlet is formed at one end of the valve cavity, the water flows in from one end of the valve cavity, the water flows out from the other end of the valve cavity and the two flow dividing pipes 103, the two flow dividing plates 201 block the middle of the valve cavity to play a role in flow dividing, when the water pressure is smaller, under the supporting effect of the plurality of spring pieces 204, the two flow dividing plates 201 are in a mutually attached state to be blocked at the middle position of the containing cavity, the water can only flow out from square holes 202 on the two flow dividing plates 201, the flow speed of the water can be slowed down, and after the water flows out from the square holes 202, the water flows out from the two flow dividing pipes 103 and the other end of the valve cavity; when the water pressure is small, the two spoilers 201 cannot rotate under the action of the spring piece 204;
when the water pressure is increased, the water pressure can impact the position of the non-square hole 202 on the spoiler 201, so that the spoiler 201 is driven to rotate around the rotating shaft 203, when the two spoilers 201 are rotated to open a certain angle under the impact of the water pressure, water flows between the two spoilers 201, and then a certain water pressure can be released, so that pressure relief to a certain extent is realized, when the water pressure is continuously increased, the two spoilers 201 are rotated and respectively attached to the two valve bodies 102, the two spoilers 201 are completely opened and are not blocked in the valve cavity, and the pressure relief to the greatest extent is realized at the moment;
when the water pressure is reduced, the two spoilers 201 are driven to reset under the action of the plurality of spring pieces 204; and then the circulation condition in the valve pocket can be according to the hydraulic pressure automatically regulated, can self-adaptation hydraulic pressure, avoid bearing the extrusion of high pressure for a long time, lead to the valve to scrap.
As shown in fig. 4 and 6:
two bosses 104 matched with the square holes 202 are fixedly connected to the positions, communicated with the cavities, of the two shunt tubes 103;
when the water pressure is low, the spoiler 201 cannot be attached to the valve body 102, at the moment, the two shunt pipes 103 are in a state of being communicated with the valve cavity, low-pressure water flow can flow out from the other end of the valve cavity and the two shunt pipes 103, when the water pressure is high, the two spoiler 201 is flushed away, so that the two spoiler 201 is completely attached to the two valve bodies 102, at the moment, the boss 104 can be inserted into the corresponding square hole 202, so that the two shunt pipes 103 are closed under the cooperation of the spoiler 201 and the boss 104, high-pressure water flow can only flow out from the other end of the valve cavity, and therefore when the water pressure is low, the water flow can flow out from three outlets, and when the water pressure is high, the two shunt pipes 103 are automatically closed, and the water flow can only flow out from one outlet in a concentrated manner; when the water pressure is reduced, the spoiler 201 is pulled to rotate to reset under the action of the spring piece 204, so that the two shunt tubes 103 are automatically opened when the water pressure is reduced, and water flow is dispersed and flows out.
As shown in fig. 2, 3 and 9:
a ring frame 302 is arranged between the two valve plates 101, and a spoiler 301 is hinged in the ring frame 302;
the water flow that inserts first contacts with spoiler 301, and the spoiler 301 of vertical state carries out the first vortex to the water flow, then the water flow passes through two spoilers 201 again, and two spoilers 201 carry out the second vortex to the water flow to further reduce the velocity of flow of water flow, when the water pressure increases, the water flow velocity becomes high, and spoiler 301 can rotate to the horizontality on ring frame 302, thereby can release certain water pressure, further realizes the pressure release to a certain extent.
As shown in fig. 4, 6, 8 and 11:
two ends of the ring frame 302 are fixedly connected with sliding seats 303, sleeve rods 105 are slidably connected to the two sliding seats 303, and the two sleeve rods 105 are fixedly connected to the two valve bodies 102 respectively; a compression spring I106 is fixedly connected between the sliding seat 303 and the corresponding loop bar 105; two ejector rods 304 are fixedly connected to each sliding seat 303; the ejector rod 304 corresponds to the spoiler 201 at a position close to the rotating shaft 203;
the pressure spring I106 gives the pushing force to the sliding seat 303, so that under normal state or when the water pressure is smaller, the sliding seat 303 and the spoiler 301 are positioned at the position close to the water inlet of the valve cavity, when the water pressure is increased, water flow impacts on the spoiler 301, the spoiler 301 is pushed to move towards the direction close to the water outlet, the pressure spring I106 is compressed, when the water pressure is enough, the spoiler 301 drives the ejector rods 304 to move towards the direction close to the spoiler 201 through the ring frame 302 and the sliding seat 303, when the ejector rods 304 are in contact with the spoiler 201, the spoiler 201 is extruded to rotate, the spoiler 201 is attached to the valve body 102, the flow splitting pipe 103 is pushed to be closed through the ejector rods 304 when the water pressure is enough, when the water pressure is reduced, the pressure spring I106 drives the spoiler 301 to reset, and after the ejector rods 304 are completely separated from the spoiler 201, the two flow splitting pipes 103 are completely opened.
As shown in fig. 9:
a baffle 401 and an insert 403 for limiting the spoiler 301 are respectively installed at two ends of the ring frame 302;
the baffle 401 and the insert 403 are attached to the end face, close to the water outlet, of the spoiler 301, so that the spoiler 301 is limited, when the water pressure is small, and when the water pressure is impacted on the front face of the spoiler 301, the baffle 401 and the insert 403 are blocked on the back face of the spoiler 301, the spoiler 301 cannot rotate, and only the vertical state can be used for disturbing water flow when the water is at the position of the water inlet.
As shown in fig. 9 to 10:
the baffle 401 is fixedly connected to one sliding seat 303, the insert block 403 is inserted into the other sliding seat 303, the insert block 403 is connected with a post 402 in a sliding manner, the post 402 is fixedly connected to the ring frame 302, and a tension spring 404 is fixedly connected between the insert block 403 and the ring frame 302;
the tension spring 404 gives the insert 403 a pulling force close to the direction of the spoiler 301, so that in a normal state, the insert 403 can block on the end surface of the spoiler 301, when the insert 403 is subjected to an external force to move in a reverse direction away from the spoiler 301, the insert 403 is not blocked on the spoiler 301, and at this time, the spoiler 301 can rotate to a horizontal state, so that the water flowing in from the water inlet is not blocked.
As shown in fig. 11:
the high-performance composite material valve further comprises triangular blocks 108, a notch 405 is formed on the insertion block 403, and the triangular blocks 108 corresponding to the notch 405 are fixedly connected to one of the loop bars 105;
when the water pressure increases, the spoiler 301 slides on the two loop bars 105 through the two sliding seats 303, so that the insert block 403 moves towards the direction close to the triangular block 108, the bottom surface of the triangular block 108 is an inclined surface, when the inclined surface of the triangular block 108 is inserted into the notch 405, the insert block 403 is extruded to move towards the direction far away from the spoiler 301, and then the insert block 403 does not limit the spoiler 301 any more, and at this time, the spoiler 301 can rotate to a horizontal state.
As shown in fig. 11 to 12:
a push rod 107 is fixedly connected to the loop bar 105 connected with the triangular block 108; when the insert 403 moves away from the spoiler 301, and the spoiler 301 is no longer limited, the push rod 107 contacts the spoiler 301, and the spoiler 301 is pushed to rotate around the axis of the hinge with the ring frame 302 under the action of the push rod 107.
As shown in fig. 12:
the axis of the hinge joint of the spoiler 301 and the ring frame 302 is positioned between the push rod 107 and the insert block 403; further, when the insert 403 does not limit the spoiler 301, the push rod 107 pushes the spoiler 301, so that a section of the spoiler 301 close to the baffle 401 rotates to a horizontal state in a direction away from the baffle 401; secondly, the contact of the triangle block 108 with the insert block 403 is preceded by the contact of the push rod 107 with the spoiler 301; that is, the triangular block 108 contacts with the insert block 403 first, so that the insert block 403 releases the limit on the spoiler 301, and then the push rod 107 contacts with the spoiler 301 again, so as to drive the spoiler 301 to rotate, and further avoid interference between the contact limit and rotation.
As shown in fig. 5:
two plug bushes 205 are fixedly connected to two ends of the two valve plates 101; the valve plate 101 is fixedly connected with the valve body 102 through bolt sealing through the plug bush 205; thereby achieving a stable connection between the two valve plates 101 and the two valve bodies 102.
Claims (3)
1. A high performance composite valve, characterized by: the valve comprises two valve plates (101), wherein two valve plates (101) are arranged up and down, two valve bodies (102) are fixedly connected between the two valve plates (101) in a sealing way, a valve cavity is formed between the two valve plates (101) and the two valve bodies (102), shunt pipes (103) communicated with the valve cavity are fixedly connected on the two valve bodies (102), two rotating shafts (203) are fixedly connected between the two valve plates (101), spoiler plates (201) are sleeved on the two rotating shafts (203), and a plurality of spring pieces (204) are fixedly connected between the spoiler plates (201) and the corresponding rotating shafts (203) in a surrounding way; square holes (202) which are communicated with each other are arranged on the two spoilers (201);
two bosses (104) matched with the square holes (202) are fixedly connected at the positions, communicated with the cavities, of the two shunt tubes (103);
a ring frame (302) is arranged between the two valve plates (101), and a spoiler (301) is hinged in the ring frame (302);
two ends of the ring frame (302) are fixedly connected with sliding seats (303), two sliding seats (303) are slidably connected with sleeve rods (105), and the two sleeve rods (105) are fixedly connected to the two valve bodies (102) respectively; a compression spring I (106) is fixedly connected between the sliding seat (303) and the corresponding sleeve rod (105); two ejector rods (304) are fixedly connected to each sliding seat (303); the ejector rod (304) corresponds to the position of the spoiler (201) close to the rotating shaft (203);
both ends of the ring frame (302) are respectively provided with a baffle plate (401) and an insert block (403) which limit the spoiler (301);
the baffle plate (401) is fixedly connected to one sliding seat (303), the insertion block (403) is inserted into the other sliding seat (303), the insertion block (403) is connected with a post rod (402) in a sliding mode, the post rod (402) is fixedly connected to the ring frame (302), and a tension spring (404) is fixedly connected between the insertion block (403) and the ring frame (302);
the socket block (403) is provided with a notch (405), and the triangle block (108) corresponding to the notch (405) is fixedly connected to one of the loop bars (105);
a push rod (107) is fixedly connected on the loop bar (105) connected with the triangle block (108).
2. The valve according to claim 1, wherein: the axis of the hinge joint of the spoiler (301) and the ring frame (302) is positioned between the push rod (107) and the insert block (403).
3. A valve as claimed in claim 2, wherein: two ends of the two valve plates (101) are fixedly connected with two plug bushes (205); the valve plate (101) is fixedly connected with the valve body (102) in a sealing way through the plug bush (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310336077.5A CN116447385B (en) | 2023-03-31 | 2023-03-31 | High-performance composite material valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310336077.5A CN116447385B (en) | 2023-03-31 | 2023-03-31 | High-performance composite material valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116447385A CN116447385A (en) | 2023-07-18 |
| CN116447385B true CN116447385B (en) | 2023-11-10 |
Family
ID=87119448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310336077.5A Active CN116447385B (en) | 2023-03-31 | 2023-03-31 | High-performance composite material valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116447385B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4328831A (en) * | 1973-11-01 | 1982-05-11 | Wolff Robert C | Rotary valve |
| US4688472A (en) * | 1986-10-31 | 1987-08-25 | Carrier Corporation | Noise reduction spoiler for a damper |
| JP2002061771A (en) * | 2000-08-22 | 2002-02-28 | Mitsubishi Heavy Ind Ltd | Flow control valve |
| CN2572148Y (en) * | 2002-08-23 | 2003-09-10 | 黄彪 | Valve with active plug |
| WO2006066489A1 (en) * | 2004-12-23 | 2006-06-29 | Pan, Shijun | Dual-sealing valve |
| CN108374913A (en) * | 2018-04-10 | 2018-08-07 | 浙江理工大学 | A kind of vibration and noise reducing ball check valve |
| CN210492168U (en) * | 2019-09-03 | 2020-05-12 | 杭州欧泉科技有限公司 | But duckbilled drinking bowl is used to pig of self-adaptation adjustment water pressure |
| CN217207933U (en) * | 2022-03-08 | 2022-08-16 | 格瑞姆水处理(浙江)有限公司 | Self-adaptive pressure regulating valve and sewage treatment pump |
| CN217463338U (en) * | 2022-04-02 | 2022-09-20 | 乌鲁木齐水业科技信息技术有限公司 | Check valve suitable for various water pressures |
| CN115325258A (en) * | 2022-09-09 | 2022-11-11 | 山东柏源技术有限公司 | Pipeline flow control device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8141843B2 (en) * | 2008-12-31 | 2012-03-27 | Dresser, Inc. | Fluid control valve |
| NO20121049A1 (en) * | 2012-09-17 | 2014-03-18 | Paal Irgens Hagevik | Design for reducing pressure in a liquid |
-
2023
- 2023-03-31 CN CN202310336077.5A patent/CN116447385B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4328831A (en) * | 1973-11-01 | 1982-05-11 | Wolff Robert C | Rotary valve |
| US4688472A (en) * | 1986-10-31 | 1987-08-25 | Carrier Corporation | Noise reduction spoiler for a damper |
| JP2002061771A (en) * | 2000-08-22 | 2002-02-28 | Mitsubishi Heavy Ind Ltd | Flow control valve |
| CN2572148Y (en) * | 2002-08-23 | 2003-09-10 | 黄彪 | Valve with active plug |
| WO2006066489A1 (en) * | 2004-12-23 | 2006-06-29 | Pan, Shijun | Dual-sealing valve |
| CN108374913A (en) * | 2018-04-10 | 2018-08-07 | 浙江理工大学 | A kind of vibration and noise reducing ball check valve |
| CN210492168U (en) * | 2019-09-03 | 2020-05-12 | 杭州欧泉科技有限公司 | But duckbilled drinking bowl is used to pig of self-adaptation adjustment water pressure |
| CN217207933U (en) * | 2022-03-08 | 2022-08-16 | 格瑞姆水处理(浙江)有限公司 | Self-adaptive pressure regulating valve and sewage treatment pump |
| CN217463338U (en) * | 2022-04-02 | 2022-09-20 | 乌鲁木齐水业科技信息技术有限公司 | Check valve suitable for various water pressures |
| CN115325258A (en) * | 2022-09-09 | 2022-11-11 | 山东柏源技术有限公司 | Pipeline flow control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116447385A (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103334920B (en) | A kind of tilt-disc check valve | |
| CN116447385B (en) | High-performance composite material valve | |
| CN207064736U (en) | A kind of swing type waterpower delayed on-off non-return valve | |
| CN210440627U (en) | Novel stationary flow check valve component | |
| CN105650338A (en) | Axial flow type safety cut-off valve | |
| CN101324281B (en) | Novel reverse flow preventing device | |
| CN211648637U (en) | Electrohydraulic reversing valve with buffer valve core | |
| CN113202957A (en) | Axial flow type check valve | |
| CN116857386A (en) | Gate valve with self-sealing buffer function | |
| CN203641544U (en) | Valve element for gate valve | |
| CN202320248U (en) | Engineering machinery and landing leg locking device thereof | |
| CN203176473U (en) | Flow-limiting valve for exploded pipe | |
| CN205806584U (en) | A kind of check valve | |
| CN209213094U (en) | A kind of swing type speed closes check-valves | |
| CN107246419A (en) | A kind of automatic control switch valve and its process | |
| CN213269845U (en) | Double-sided guide check valve for petroleum | |
| CN222255152U (en) | Check valve capable of adjusting flow direction | |
| CN118423481A (en) | Axial flow type check valve | |
| CN220337611U (en) | Petroleum pipeline stop valve | |
| CN112854145A (en) | Water flow aeration structure behind flat door | |
| CN220185927U (en) | High-pressure water supply pump protection valve | |
| CN222392031U (en) | Double pendulum hammer buffer type check valve | |
| CN220540350U (en) | Ball valve with anti-scouring function | |
| CN217653296U (en) | Check valve | |
| CN114811091A (en) | Anti-theft check ball valve with function of preventing fuel gas backflow and extrusion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |