CN111804679A - Buffer overflow valve - Google Patents
Buffer overflow valve Download PDFInfo
- Publication number
- CN111804679A CN111804679A CN202010668540.2A CN202010668540A CN111804679A CN 111804679 A CN111804679 A CN 111804679A CN 202010668540 A CN202010668540 A CN 202010668540A CN 111804679 A CN111804679 A CN 111804679A
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- Prior art keywords
- valve
- valve core
- sliding
- ring
- spring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to the field of overflow valves, in particular to a buffering overflow valve which comprises a liquid inlet joint, a valve shell, a liquid outlet joint, a first joint sealing ring, a valve core head, a valve core pipe, a first valve core ball, a second joint sealing ring, a damping hole, a rubber gasket, a through hole, a thread cover, a thread ring, a sliding block, a cylindrical block, a spring and a sliding groove. The buffer overflow valve is reasonable in structure, compared with the traditional buffer overflow valve, the spring component of the buffer overflow valve is arranged outside the valve shell, and meanwhile, the two ends of the spring are limited through the cylindrical block and are not fixedly connected, so that the damaged spring is convenient to replace, and convenience is brought to maintenance; the valve casing outside is provided with protection architecture, and the spring is located between protection architecture and the valve casing, can protect, avoids directly exposing externally to avoid appearing the damage, protection architecture connects through the screw thread ring, through rotating protection architecture, can carry out protection architecture's removal, when the spring of being convenient for is changed, exposes externally.
Description
Technical Field
The invention relates to the field of overflow valves, in particular to a buffer overflow valve.
Background
The buffer overflow valve is mainly used in a hydraulic support with a damping loop of a hydraulic support pushing jack, so that the hydraulic support cannot generate large hydraulic impact force when the pushing jack starts to act in the moving process, and the probability of shearing of the pushing connecting pin shaft is reduced.
The overflow valve that uses to chemical drainage factory is when using, because the inside case of more buffering overflow valve, carry on spacingly through the spring, when liquid passes through, can press the case, open the opening of plugging up, carry out the flow of liquid, cushion, but the spring generally sets up inside the valve casing, the spring is pressed for a long time, the damage easily appears, and the sewage of long-term chemical plant can make the spring corrode, need close the master gate after using a period and change the overflow valve, work efficiency has been reduced. Therefore, a buffer overflow valve is provided for solving the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a buffer overflow valve.
The technical scheme adopted by the invention for solving the technical problems is as follows: a buffer overflow valve comprises a liquid inlet connector, a valve shell and a liquid outlet connector, wherein the liquid inlet connector and the liquid outlet connector are respectively and fixedly arranged on two sides of the valve shell, a valve core is arranged in the valve shell and is formed by fixedly connecting a valve core head and a valve core pipe, the valve core pipe is sleeved with one end of the liquid outlet connector, a first sliding sealing structure is arranged between the valve core pipe and the liquid outlet connector, the valve core head is in sliding connection with the inner wall of the valve shell, a second sliding sealing structure is arranged between the valve core head and the inner wall of the valve shell, four through holes and a damping hole are formed in one side, close to the liquid inlet connector, of the valve core head; the valve comprises a valve shell, a valve core pipe, a sliding groove, a protective structure, a cylindrical block, a spring, a scraping plate, a connecting post, a spherical bulge and a connecting rod, wherein the top and the bottom of the valve shell are both provided with the sliding groove, the sliding block is connected inside the sliding groove in a sliding mode and fixedly connected with the valve core pipe, the valve shell is fixedly sleeved with the threaded ring, the threaded ring is located at the tail end of the sliding groove, the protective structure is wrapped on the valve shell and connected with the threaded ring, the sliding block and the threaded ring are both fixedly connected with the cylindrical block, the spring is arranged between the threaded ring and the sliding block, two ends of the spring are sleeved with the cylindrical block, the scraping; the valve core is provided with a guide groove, and the connecting column penetrates through the guide groove.
Preferably, the inside of liquid inlet joint is provided with the second and connects the sealing washer, and one side gomphosis of liquid inlet joint installs the rubber packing ring, the rubber packing ring contacts with through-hole one end.
Preferably, a first joint sealing ring is arranged inside the liquid outlet joint.
Preferably, the first sliding seal structure is formed by three first valve core balls arranged in parallel, the first valve core balls are sleeved on the valve core pipe, and the first valve core balls are located between the outer wall of the valve core pipe and the inner wall of the liquid outlet joint.
Preferably, the second sliding seal structure is formed by three second valve core balls arranged in parallel, the second valve core balls are sleeved on the valve core head, and the second valve core balls are located between the outer wall of the valve core head and the inner wall of the valve housing.
Preferably, the outer ring of the threaded ring is provided with an external thread.
Preferably, the protection structure comprises a threaded cover and a round hole formed in one side of the threaded cover, the round hole is sleeved with the valve shell, and an internal thread is formed in the inner wall of the threaded cover; the sliding block is of a rectangular strip structure and is perpendicular to the outer wall of the valve core; the outer ring of the valve core head and the outer ring of the valve core pipe are both provided with three annular grooves; the diameter of the valve core is larger than that of the valve core pipe.
The invention has the beneficial effects that:
(1) this kind of buffering overflow valve compares with traditional buffering overflow valve, be equipped with the guide way on the case, just the spliced pole runs through the guide way, and the slider drives the scraper blade and realizes realizing the clearance to the inside wall of case, and simultaneously, the guide way on the case has played the guide effect to the removal of slider, and its spring unit sets up in the outside of valve casing, and the spring both ends carry on spacingly through the cylinder piece simultaneously, do not carry out the rigid coupling to be convenient for carry out the change after damaging, provide convenient for its maintenance and maintenance.
(2) This kind of buffering overflow valve's valve casing outside is provided with protection architecture, and the spring is located between protection architecture and the valve casing, can protect, avoids directly exposing externally to avoid appearing the damage, protection architecture connects through the screw thread ring, through rotating protection architecture, can carry out protection architecture's removal, when the spring of being convenient for is changed, exposes externally.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the valve cartridge of the present invention;
FIG. 3 is a schematic view of the end structure of the valve core head of the present invention;
FIG. 4 is a schematic view of the thread boot structure of the present invention;
FIG. 5 is a schematic view of the overall construction of the squeegee of the present invention.
In the figure: 1. the liquid inlet joint, 2, a valve shell, 3, a liquid outlet joint, 4, a first joint sealing ring, 5, a valve core, 501, a valve core head, 502, a valve core pipe, 6, a first valve core ball, 7, a second valve core ball, 8, a second joint sealing ring, 9, a damping hole, 10, a rubber gasket, 11, a through hole, 12, a thread cover, 13, a thread ring, 14, a sliding block, 15, a cylindrical block, 16, a spring, 17, a sliding groove, 18, a scraping plate, 181, a connecting column, 182, a bulge, 19 and a guide groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1-5, a buffer overflow valve includes a liquid inlet connector 1, a valve housing 2 and a liquid outlet connector 3, wherein the liquid inlet connector 1 and the liquid outlet connector 3 are respectively and fixedly mounted on two sides of the valve housing 2, a valve core 5 is disposed inside the valve housing 2, the valve core 5 is formed by fixedly connecting a valve core head 501 and a valve core tube 502, the valve core tube 502 is sleeved with one end of the liquid outlet connector 3, a first sliding seal structure is disposed between the valve core tube 502 and the liquid outlet connector 3, the valve core head 501 is slidably connected with an inner wall of the valve housing 2, a second sliding seal structure is disposed between the valve core head 501 and the inner wall of the valve housing 2, one side of the valve core head 501 close to the liquid inlet connector 1 is provided with four through holes 11 and a damping hole 9, and; the top and the bottom of the valve casing 2 are both provided with sliding grooves 17, the sliding block 14 is connected inside the sliding groove 17 in a sliding manner, the sliding block 14 is fixedly connected with the valve core tube 502, the valve casing 2 is fixedly sleeved with a threaded ring 13, the threaded ring 13 is positioned at the tail end of the sliding groove 17, the valve casing 2 is wrapped with a protection structure, the protection structure is connected with the threaded ring 13, the sliding block 14 and the threaded ring 13 are both fixedly connected with a cylindrical block 15, a spring 16 is arranged between the threaded ring 13 and the sliding block 14, two ends of the spring 16 are sleeved with the cylindrical block 15, a scraper 18 is arranged inside the valve core 5, the scraper 18 is provided with a connecting column 181, the connecting column 181 is provided with a spherical bulge 182, and the scraper 18 is fixedly connected with the sliding block 14 through the; the valve core 5 is provided with a guide groove 19, and the connecting column 181 penetrates through the guide groove 19.
A second joint sealing ring 8 is arranged inside the liquid inlet joint 1, a rubber gasket 10 is embedded and installed on one side of the liquid inlet joint 1, the rubber gasket 10 is in contact with one end of the through hole 11, the second joint sealing ring 8 is used for sealing when the liquid inlet joint 1 is connected with an external pipeline, and when fluid does not pass through or pressure is insufficient, the rubber gasket 10 blocks the through hole 11; a first joint sealing ring 4 is arranged inside the liquid outlet joint 3, and the first joint sealing ring 4 is used for tightly connecting the liquid outlet joint 3 with an external pipeline; the first sliding seal structure is composed of three first valve core balls 6 arranged in parallel, the first valve core balls 6 are sleeved on the valve core pipe 502, the first valve core balls 6 are located between the outer wall of the valve core pipe 502 and the inner wall of the liquid outlet joint 3, and the valve core pipe 502 and the liquid outlet joint 3 are filled through the first valve core balls 6 when moving; the second sliding seal structure is composed of three second valve core balls 7 arranged in parallel, the second valve core balls 7 are sleeved on the valve core head 501, the second valve core balls 7 are located between the outer wall of the valve core head 501 and the inner wall of the valve casing 2, and the valve core head 501 and the valve casing 2 are filled through the second valve core balls 7 when moving; the outer ring of the threaded ring 13 is provided with external threads, and the threaded ring 13 is used for being in threaded connection with the threaded cover 12; the protection structure comprises a thread cover 12 and a round hole formed in one side of the thread cover 12, the round hole is sleeved with the valve shell 2, internal threads are formed in the inner wall of the thread cover 12, and the thread cover 12 can cover the spring 16 to realize protection; the slide block 14 is of a rectangular strip structure, the slide block 14 is perpendicular to the outer wall of the valve core 5, and the slide block 14 slides in the sliding groove 17 to realize guiding; the outer ring of the valve core head 501 and the outer ring of the valve core pipe 502 are both provided with three annular grooves, and the annular grooves are used for embedding a first valve core ball 6 and a second valve core ball 7; the diameter of the valve core 5 is larger than that of the valve core tube 502, and the valve core 5 can slide in the valve housing 2 and is matched with the valve housing 2.
When the liquid inlet connector 1 is used for feeding liquid, pressure is provided for one side of the valve core head 501, the pressure pushes the valve core head 501, the valve core head 501 and the valve core pipe 502 move, the through hole 11 is separated from the rubber gasket 10, liquid is fed through the through hole 11, the effect of reducing the impact hydraulic pressure at the moment of opening is achieved, when the impact hydraulic pressure is large, the scraper 18 is installed inside the valve core 5, the scraper 18 is provided with the connecting column 181, the connecting column 181 is provided with the spherical bulge 182, and the scraper 18 is fixedly connected with the sliding block 14 through the connecting column 181; the valve core 5 is provided with a guide groove 19, the connecting column 181 penetrates through the guide groove 19, the sliding block 14 drives the scraper 18 to clean the inner side wall of the valve core 5, meanwhile, the guide groove 19 on the valve core 5 plays a role in guiding the movement of the sliding block 14, when the spring 16 needs to be replaced, the threaded cover 12 is screwed on the threaded ring 13 by rotating the threaded cover 12 to move, so that the spring 16 is exposed, the spring 16 is manually pulled to separate two ends of the spring 16 from the cylindrical block 15, then a new spring 16 is replaced to compress the spring 16, the spring 16 is plugged between the sliding block 14 and the threaded ring 13, two ends of the spring 16 are sleeved with the cylindrical block 15 to complete replacement, then the threaded cover 12 is rotated to screw the threaded ring 13 to cover the spring 16, so that protection is completed, and therefore, the valve replacement overflow valve is prevented from being closed, the working efficiency is accelerated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A buffer overflow valve is characterized in that: comprises a liquid inlet joint (1), a valve shell (2) and a liquid outlet joint (3), the liquid inlet joint (1) and the liquid outlet joint (3) are respectively and fixedly arranged on two sides of the valve casing (2), a valve core (5) is arranged in the valve casing (2), the valve core (5) is formed by fixedly connecting a valve core head (501) and a valve core pipe (502), the valve core pipe (502) is sleeved with one end of the liquid outlet connector (3), and a first sliding sealing structure is arranged between the valve core pipe (502) and the liquid outlet joint (3), the valve core head (501) is connected with the inner wall of the valve casing (2) in a sliding way, and a second sliding sealing structure is arranged between the valve core head (501) and the inner wall of the valve casing (2), one side of the valve core head (501), which is close to the liquid inlet joint (1), is provided with four through holes (11) and a damping hole (9), and the damping hole (9) is positioned in the middle of the valve core head (501); the novel valve is characterized in that sliding grooves (17) are formed in the top and the bottom of the valve shell (2), a sliding block (14) is connected to the inside of each sliding groove (17) in a sliding mode, the sliding block (14) is fixedly connected with the valve core tube (502), a threaded ring (13) is fixedly sleeved on the valve shell (2), the threaded ring (13) is located at the tail end of each sliding groove (17), the valve shell (2) is wrapped by a protection structure, the protection structure is connected with the threaded ring (13), the sliding block (14) and the threaded ring (13) are fixedly connected with a cylindrical block (15), a spring (16) is arranged between the threaded ring (13) and the sliding block (14), two ends of the spring (16) are sleeved with the cylindrical block (15), a scraper plate (18) is installed inside the valve core (5), a connecting column (181) is arranged on the scraper plate (18), a spherical bulge (182) is arranged on the connecting column (181), the scraper plate (18) is fixedly connected with the sliding block (14) through the The connecting column (181) penetrates through the guide groove (19) towards the groove (19).
2. The buffer overflow valve of claim 1, wherein: the inside of liquid inlet joint (1) is provided with second joint sealing washer (8), and rubber packing ring (10) are installed to one side gomphosis of liquid inlet joint (1), rubber packing ring (10) and through-hole (11) one end contact.
3. The buffer overflow valve of claim 1, wherein: a first joint sealing ring (4) is arranged in the liquid outlet joint (3).
4. The buffer overflow valve of claim 1, wherein: the first sliding sealing structure is composed of three first valve core balls (6) which are arranged in parallel, the first valve core balls (6) are sleeved on the valve core pipe (502), and the first valve core balls (6) are located between the outer wall of the valve core pipe (502) and the inner wall of the liquid outlet joint (3).
5. The buffer overflow valve of claim 1, wherein: the second sliding sealing structure is composed of three second valve core balls (7) arranged in parallel, the second valve core balls (7) are sleeved on the valve core head (501), and the second valve core balls (7) are located between the outer wall of the valve core head (501) and the inner wall of the valve casing (2).
6. The buffer overflow valve of claim 1, wherein: the outer ring of the threaded circular ring (13) is provided with external threads.
7. The buffer overflow valve of claim 1, wherein: the protection structure comprises a threaded cover (12) and a round hole formed in one side of the threaded cover (12), the round hole is sleeved with the valve shell (2), and internal threads are formed in the inner wall of the threaded cover (12); the sliding block (14) is of a rectangular strip structure, and the sliding block (14) is perpendicular to the outer wall of the valve core (5); the outer ring of the valve core head (501) and the outer ring of the valve core pipe (502) are provided with three annular grooves; the diameter of the valve core (5) is larger than that of the valve core pipe (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668540.2A CN111804679B (en) | 2020-07-13 | 2020-07-13 | Buffer overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668540.2A CN111804679B (en) | 2020-07-13 | 2020-07-13 | Buffer overflow valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111804679A true CN111804679A (en) | 2020-10-23 |
| CN111804679B CN111804679B (en) | 2022-04-26 |
Family
ID=72841726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010668540.2A Active CN111804679B (en) | 2020-07-13 | 2020-07-13 | Buffer overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111804679B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797215A (en) * | 2021-04-15 | 2021-05-14 | 山东鹤鹏技术有限公司 | Valve for petrochemical industry |
| CN113314799A (en) * | 2021-06-07 | 2021-08-27 | 吴彼懋 | Lithium battery |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202768862U (en) * | 2012-01-31 | 2013-03-06 | 浙江红霞铜业有限公司 | A deflation valve easy to use |
| CN104455571A (en) * | 2014-11-28 | 2015-03-25 | 温州大阳科技有限公司 | Adjustable throttle valve with automatically-cleaned throttle flow passage |
| CN205446852U (en) * | 2016-01-06 | 2016-08-10 | 浙江蔡司管道科技有限公司 | Clear stagnant water valve of environmental protection |
| CN207005363U (en) * | 2017-07-12 | 2018-02-13 | 浙江海荣机械有限公司 | Throttling one-way valve |
| US20180099318A1 (en) * | 2016-05-09 | 2018-04-12 | Lawrence Anthony Wiwi | Side-opening sleeve valve |
| CN110206918A (en) * | 2019-06-19 | 2019-09-06 | 刘艳文 | A kind of hydraulic control one-way valve |
| CN111043128A (en) * | 2019-12-12 | 2020-04-21 | 绍兴山耐高压紧固件有限公司 | Self-pressure-relief bolt fastener |
| CN210661460U (en) * | 2019-10-14 | 2020-06-02 | 江苏海达船用阀业有限公司 | Self-cleaning ball valve |
-
2020
- 2020-07-13 CN CN202010668540.2A patent/CN111804679B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202768862U (en) * | 2012-01-31 | 2013-03-06 | 浙江红霞铜业有限公司 | A deflation valve easy to use |
| CN104455571A (en) * | 2014-11-28 | 2015-03-25 | 温州大阳科技有限公司 | Adjustable throttle valve with automatically-cleaned throttle flow passage |
| CN205446852U (en) * | 2016-01-06 | 2016-08-10 | 浙江蔡司管道科技有限公司 | Clear stagnant water valve of environmental protection |
| US20180099318A1 (en) * | 2016-05-09 | 2018-04-12 | Lawrence Anthony Wiwi | Side-opening sleeve valve |
| CN207005363U (en) * | 2017-07-12 | 2018-02-13 | 浙江海荣机械有限公司 | Throttling one-way valve |
| CN110206918A (en) * | 2019-06-19 | 2019-09-06 | 刘艳文 | A kind of hydraulic control one-way valve |
| CN210661460U (en) * | 2019-10-14 | 2020-06-02 | 江苏海达船用阀业有限公司 | Self-cleaning ball valve |
| CN111043128A (en) * | 2019-12-12 | 2020-04-21 | 绍兴山耐高压紧固件有限公司 | Self-pressure-relief bolt fastener |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797215A (en) * | 2021-04-15 | 2021-05-14 | 山东鹤鹏技术有限公司 | Valve for petrochemical industry |
| CN113314799A (en) * | 2021-06-07 | 2021-08-27 | 吴彼懋 | Lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111804679B (en) | 2022-04-26 |
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Effective date of registration: 20220406 Address after: 710000 3rd floor, building 9, Western Yungu phase III, Fengxi new town, Xixian New District, Xi'an City, Shaanxi Province Applicant after: Xi'an Hangyu Power Control Technology Co.,Ltd. Address before: 241000 block a, No.18 Middle Beijing Road, Jiujiang District, Wuhu City, Anhui Province Applicant before: Sun Yangyang |
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