CN113324084B - Dual-purpose control valve convenient to operate - Google Patents
Dual-purpose control valve convenient to operate Download PDFInfo
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- CN113324084B CN113324084B CN202110270975.6A CN202110270975A CN113324084B CN 113324084 B CN113324084 B CN 113324084B CN 202110270975 A CN202110270975 A CN 202110270975A CN 113324084 B CN113324084 B CN 113324084B
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- valve
- valve core
- rod
- way bearing
- unlocking
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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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
- 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
- F16K1/32—Details
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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
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a conveniently-operated dual-purpose control valve which comprises a valve body assembly and an execution assembly, wherein the valve body assembly comprises a valve body, a valve rod and a valve core, a valve seat is arranged in the valve body, the execution assembly drives the valve rod to drive the valve core to lift, and the valve core and the valve seat can be matched and sealed. The unlocking unit is matched with the limiting clamping unit for unlocking, so that the valve core freely slides relative to the valve rod under the condition that the execution assembly fails, the valve is opened, the structure is simple and reliable, and the requirement that the valve needs to be manually operated to be opened and closed under the conditions of power failure and the like is effectively met.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a dual-purpose control valve convenient to operate.
Background
The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid media, the valve is a basic component in a pipeline system, a valve pipe fitting is technically the same as a pump and is often discussed as a single category, the valve can be manually operated or electrically operated, the action force of an electrically operated valve is larger than that of a common valve, the opening and closing action speed of the electrically operated valve can be adjusted and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and the electrically operated valve is simply an electric actuator for controlling the valve so as to realize the opening and closing of the valve. If the existing electric valve actuator breaks down, the opening and closing of the valve are not easy to control, especially the opening and closing of the electric valve cannot be controlled under the condition of power failure, and the practicability is not strong.
Chinese patent with application number CN201811592007.1 discloses a convenient operation's valve actuator, including metal valve body, the valve body base is installed to metal valve body's bottom surface, dog activity protecting sheathing is installed to metal valve body's top, the annular protective housing is installed to dog activity protecting sheathing's up end, metal top cap is installed to the up end of annular protective housing, metal top cap's surface mounting has the auxiliary casing, auxiliary casing's internally mounted has manual main control axle, the metal runner is installed on the top of manual main control axle, manual flow gear control post is installed in the outside of annular protective housing, and manual flow gear control post has six, the outside of manual flow gear control post is provided with spacing annular groove, and spacing annular groove is located dog activity protecting sheathing's up end.
However, in the prior art, when the valve actuator fails, the valve cannot be opened or closed normally.
Disclosure of Invention
Aiming at the problems, the invention provides the dual-purpose control valve convenient to operate, the unlocking unit is arranged to be matched with the limiting clamping unit for unlocking, so that the valve core freely slides relative to the valve rod under the condition that the execution assembly fails, the valve is opened, the structure is simple and reliable, the requirement that the valve needs to be manually operated to open and close under the conditions of power failure and the like is effectively met, and the technical problem that the valve cannot be normally opened and closed under the condition that the valve actuator fails in the prior art is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a dual-purpose control valve of convenient operation, includes valve body subassembly and executive component, the valve body subassembly includes valve body, valve rod and case, be equipped with the disk seat in the valve body, the executive component drive the valve rod drives the case goes up and down, the case with the disk seat can cooperate sealed, the case cover is located the valve rod is outside, the valve rod is relative set up spacing joint unit connection between the case, still include emergency control assembly, emergency control assembly includes the unblock unit, the unblock unit is followed the center of valve rod is passed and is contradicted spacing joint unit carries out spacing removal, the case can be followed valve rod endwise slip.
As an improvement, the limiting clamping unit comprises at least one group of locking block and a return spring, the locking block is installed in the valve core through the return spring, and a first notch matched with the locking block in a clamping mode is formed in the rod wall of the valve rod.
As an improvement, the unblock unit is including unblock piece and unblock pole, unblock piece slide set up in the first notch, this unblock piece one-to-one the locking piece sets up, the second notch has been seted up at the middle part of valve rod, the unblock pole is followed the second notch inserts to inside the valve rod, through pressing the unblock pole is contradicted the unblock piece outwards slides in order to push the locking piece breaks away from first notch.
As an improvement, the emergency control assembly further comprises a reset unit, the reset unit drives the valve core to move and reset, the reset unit comprises a hand rotating wheel, a rotating shaft, a jacking wheel and a first one-way bearing, the hand rotating wheel drives the rotating shaft to be opposite to the valve body to rotate, the jacking wheel is arranged inside the valve body and is connected with the rotating shaft in a transmission mode through the first one-way bearing, and the jacking wheel is abutted to jack the valve core to move.
As an improvement, the jacking wheel is provided with a cam, and the offset distance of the cam is matched with the motion stroke of the valve core.
As the improvement, still include linkage unit A, linkage unit A includes second one-way bearing and gear a, the one-way bearing cover of second is located in the outside pivot of valve body, gear a cover is located the one-way bearing outside of second, set up rack a meshing on the unblock pole gear a drive the top running wheel is rotatory.
As an improvement, the valve further comprises a linkage unit B, the linkage unit B comprises a third one-way bearing and a gear B, the third one-way bearing is sleeved on the rotating shaft inside the valve body, the gear B is sleeved on the outer side of the third one-way bearing, a rack B is welded on one side of the valve rod, and the rack B is meshed with the gear B to drive the jacking wheel to rotate.
As an improvement, the third one-way bearing is provided with an idle stroke of 60-80 degrees.
As an improvement, the valve core is arranged in a piston type.
As an improvement, the valve core is of a gate plate type.
The invention has the beneficial effects that:
(1) according to the invention, the unlocking unit is arranged to cooperate with the limiting clamping unit for unlocking, so that the valve core can freely slide relative to the valve rod under the condition that the execution assembly fails, the valve is opened, the structure is simple and reliable, and the requirement that the valve needs to be manually operated to open and close under the conditions of power failure and the like is effectively made up;
(2) according to the invention, the manual rotating wheel is arranged, after the valve core is separated from the valve seat, the valve core needs to be reversely moved and matched with the valve seat, the manual rotating wheel is rotated to drive the jacking wheel by the first one-way bearing arranged on the rotating shaft, and the jacking wheel props against the valve core to slide downwards and finally props against the valve seat to seal the valve;
(3) according to the invention, by arranging the linkage unit A, the limiting clamping unit is unlocked by the unlocking unit, the valve core needs to move vertically upwards, at the moment, the rack a is meshed with the gear a to drive the ejecting wheel to rotate, the collision of the ejecting wheel to the valve core disappears, and the valve core moves upwards smoothly;
(4) according to the invention, the linkage unit B is arranged, when the actuating assembly needs to drive the valve rod to move upwards, and when the jacking wheel is just abutted against the valve core, the rack B is meshed with the gear B to drive the jacking wheel to rotate, so that the valve core can freely rise.
In conclusion, the manual-electric dual-purpose valve has the advantages of manual and electric dual purposes, simple and reliable structure and the like, and is particularly suitable for the technical field of valves.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a spacing clamping unit according to the present invention;
FIG. 4 is a schematic diagram of a reset unit according to the present invention;
FIG. 5 is a schematic left side view of the present invention;
FIG. 6 is a schematic left side cross-sectional view of the present invention;
FIG. 7 is a second schematic front sectional view of the present invention;
FIG. 8 is an enlarged view taken at A in FIG. 7;
fig. 9 is a schematic structural diagram of a second embodiment of the present invention.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 1 and 2, the dual-purpose control valve convenient to operate comprises a valve body assembly 1 and an execution assembly 2, wherein the valve body assembly 1 comprises a valve body 3, a valve rod 4 and a valve core 5, a valve seat 31 is arranged in the valve body 3, the execution assembly 2 drives the valve rod 4 to drive the valve core 5 to lift, the valve core 5 and the valve seat 31 can be matched and sealed, the valve core 5 is sleeved outside the valve rod 4, the valve rod 4 is opposite to the valve core 5, a limiting clamping unit 6 is arranged between the valve core 5 for connection, the emergency control assembly 7 further comprises an unlocking unit 71, the unlocking unit 71 penetrates through the center of the valve rod 4 and is abutted against the limiting clamping unit 6 for limiting and releasing, and the valve core 5 can axially slide along the valve rod 4.
In this embodiment, the valve rod 4 is connected with the valve core 5 through the limiting clamping unit 6, the actuating assembly 2 drives the valve core 5 to descend to be matched with the valve seat 31, when the actuating assembly 2 fails in power-off, the emergency control assembly 7 can be operated manually to enable the unlocking unit 71 to drive the limiting clamping unit 6 to act, the valve core 5 slides freely relative to the valve rod 4, and the valve core 5 can be separated from the valve seat 31.
As shown in fig. 3, further, the limiting clamping unit 6 includes at least one set of a locking block 61 and a return spring 62, the locking block 61 is installed in the valve core 5 through the return spring 62, and a first notch 41 clamped and matched with the locking block 61 is formed in a rod wall of the valve rod 4.
As shown in fig. 3 and 4, further, the unlocking unit 71 includes an unlocking block 711 and an unlocking lever 712, the unlocking block 711 is slidably disposed in the first notch 41, the unlocking block 711 corresponds to the locking block 61 one by one, a second notch 42 is disposed in the middle of the valve rod 4, the unlocking lever 712 is inserted into the valve rod 4 from the second notch 42, and the unlocking lever 712 is pressed to abut against the unlocking block 711 to slide outwards so as to jack the locking block 61 to disengage from the first notch 41.
As shown in fig. 5 and 6, further, the emergency control assembly 7 further includes a reset unit 72, the reset unit 72 drives the valve core 5 to move and reset, and includes a hand rotating wheel 721, a rotating shaft 722, a pushing wheel 723 and a first one-way bearing 724, the hand rotating wheel 721 drives the rotating shaft 722 to rotate relative to the valve body 3, the pushing wheel 723 is disposed inside the valve body 3, and is in transmission connection with the rotating shaft 722 through the first one-way bearing 724, and the pushing wheel 723 pushes against the valve core 5 to move.
As shown in fig. 7 and 8, the ejector pulley 723 is further configured as a cam with an offset distance matching the movement stroke of the valve core 5.
It should be noted that, after the valve core 5 is separated from the valve seat 31, the valve core 5 needs to be reversely moved and matched to the valve seat 31, by rotating the manual rotating wheel 721, the power is transmitted to the pushing wheel 723 by the first one-way bearing 724 disposed on the rotating shaft 722, and the pushing wheel 723 pushes the valve core 5 to slide downward and finally pushes the valve core 31 to close the valve.
As shown in fig. 6, further, still include linkage unit A8, linkage unit A8 includes second one-way bearing 81 and gear a82, second one-way bearing 81 cover is located on the outside pivot 722 of valve body 3, gear a82 cover is located the second one-way bearing 81 outside, set up rack a7121 meshing on the unblocking lever 712 gear a82 drives top driving wheel 723 is rotatory.
It should be noted that the unlocking unit 71 unlocks the limiting clamping unit 6, the valve core 5 needs to move vertically upward, at this time, the rack a7121 is meshed with the gear a82 to drive the jacking wheel 723 to rotate, the collision of the jacking wheel 723 against the valve core 5 disappears, and the valve core 5 moves upward smoothly.
As shown in fig. 6, further, the hydraulic valve further comprises a linkage unit B9, the linkage unit B9 includes a third one-way bearing 91 and a gear B92, the third one-way bearing 91 is sleeved on the rotating shaft 722 inside the valve body 3, the gear B92 is sleeved outside the third one-way bearing 91, a rack B43 is welded on one side of the valve rod 4, and the rack B43 is meshed with the gear B92 to drive the jacking wheel 723 to rotate.
As shown in fig. 7 and 8, the third one-way bearing 91 is provided with an idle stroke of 60 ° to 80 °.
It should be noted that the actuating assembly 2 needs to drive the valve rod 4 to move upwards, and when the jacking wheel 723 happens to abut against the valve core 5, the rack b43 engages with the gear b92 to drive the jacking wheel 723 to rotate, so that the valve core 5 can freely rise; when the jacking wheel 723 is not in collision with the valve core 5, the third one-way bearing 91 is provided with a 60-80 degree idle stroke, so that the jacking wheel 723 cannot rotate to a position of collision with the valve core 5 in the ascending process of the valve core 5.
Further, the valve element 5 is arranged as a piston.
Example two
For simplicity, only the differences between the second embodiment and the first embodiment will be described below; the second embodiment is different from the first embodiment in that:
as shown in fig. 9, in the present embodiment, the valve body 5 is provided as a gate type.
It should be noted that, the valve core 5 of the gate plate type can make the sealing effect better, and increase the applicable occasions of the valve.
The working process is as follows:
the valve rod 4 is connected with the valve core 5 into a whole through the limiting clamping unit 6, the executing assembly 2 drives the valve core 5 to descend to be matched with the valve seat 31, when the executing assembly 2 fails in power failure, the emergency control assembly 7 can be operated manually to enable the unlocking unit 71 to drive the limiting clamping unit 6 to act, the valve core 5 freely slides relative to the valve rod 4, and the valve core 5 can be separated from the valve seat 31; on the contrary, after the valve core 5 is separated from the valve seat 31, the valve core 5 needs to be reversely moved to be matched with the valve seat 31, by rotating the manual rotating wheel 721, the power is transmitted to the jacking wheel 723 by the first one-way bearing 724 arranged on the rotating shaft 722, and the jacking wheel 723 props against the valve core 5 to slide downwards and finally props against the valve seat 31 to close the valve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The dual-purpose control valve convenient to operate comprises a valve body assembly (1) and an execution assembly (2), wherein the valve body assembly (1) comprises a valve body (3), a valve rod (4) and a valve core (5), a valve seat (31) is arranged in the valve body (3), the execution assembly (2) drives the valve rod (4) to drive the valve core (5) to lift, the valve core (5) and the valve seat (31) can be matched and sealed, the dual-purpose control valve is characterized in that the valve core (5) is sleeved outside the valve rod (4), a limiting clamping unit (6) is arranged between the valve rod (4) and the valve core (5) for connection, the dual-purpose control valve further comprises an emergency control assembly (7), the emergency control assembly (7) comprises an unlocking unit (71), and the unlocking unit (71) penetrates through the center of the valve rod (4) to abut against the limiting clamping unit (6) for limiting and releasing, the valve core (5) can axially slide along the valve rod (4);
the limiting clamping unit (6) comprises at least one group of locking blocks (61) and a return spring (62), the locking blocks (61) are installed in the valve core (5) through the return spring (62), and a first notch (41) in clamping fit with the locking blocks (61) is formed in the rod wall of the valve rod (4);
the unlocking unit (71) comprises an unlocking block (711) and an unlocking rod (712), the unlocking block (711) is arranged in the first notch (41) in a sliding mode, the unlocking block (711) is arranged corresponding to the locking block (61) one by one, a second notch (42) is formed in the middle of the valve rod (4), the unlocking rod (712) is inserted into the valve rod (4) from the second notch (42), and the unlocking block (711) is abutted to slide outwards by pressing the unlocking rod (712) so as to jack the locking block (61) to be separated from the first notch (41);
the emergency control assembly (7) further comprises a reset unit (72), the reset unit (72) drives the valve core (5) to move and reset, the emergency control assembly comprises a hand rotating wheel (721), a rotating shaft (722), a jacking wheel (723) and a first one-way bearing (724), the hand rotating wheel (721) drives the rotating shaft (722) to rotate relative to the valve body (3), the jacking wheel (723) is arranged in the valve body (3) and is in transmission connection with the rotating shaft (722) through the first one-way bearing (724), and the jacking wheel (723) props against the valve core (5) to move;
the jacking wheel (723) is arranged as a cam, and the offset distance of the cam is matched with the motion stroke of the valve core (5);
after the valve core (5) is separated from the valve seat (31), the valve core (5) needs to be reversely moved and matched with the valve seat (31), the manual rotating wheel (721) is rotated, the power is transmitted to the jacking wheel (723) through the first one-way bearing (724) arranged on the rotating shaft (722), the jacking wheel (723) props against the valve core (5) to slide downwards, and finally props against the valve seat (31) to seal the valve;
still include linkage unit A (8), linkage unit A (8) include second one-way bearing (81) and gear a (82), second one-way bearing (81) cover is located on outside pivot (722) of valve body (3), gear a (82) cover is located the one-way bearing of second (81) outside, set up rack a (7121) meshing on unblock lever (712) gear a (82) drive it is rotatory to push up driving wheel (723).
2. The dual-purpose control valve convenient to operate according to claim 1, further comprising a linkage unit B (9), wherein the linkage unit B (9) comprises a third one-way bearing (91) and a gear B (92), the third one-way bearing (91) is sleeved on the rotating shaft (722) inside the valve body (3), the gear B (92) is sleeved outside the third one-way bearing (91), a rack B (43) is welded on one side of the valve rod (4), and the rack B (43) is meshed with the gear B (92) to drive the jacking wheel (723) to rotate.
3. An easy-to-operate dual-purpose control valve according to claim 2, characterized in that said third one-way bearing (91) is provided with a free stroke of 60 ° to 80 °.
4. An easy operating dual-purpose control valve according to claim 1, characterized in that the spool (5) is arranged as a piston.
5. An easy-to-operate dual-purpose control valve according to claim 1, characterized in that said spool (5) is provided as a gate type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110270975.6A CN113324084B (en) | 2021-03-12 | 2021-03-12 | Dual-purpose control valve convenient to operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110270975.6A CN113324084B (en) | 2021-03-12 | 2021-03-12 | Dual-purpose control valve convenient to operate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113324084A CN113324084A (en) | 2021-08-31 |
| CN113324084B true CN113324084B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110270975.6A Active CN113324084B (en) | 2021-03-12 | 2021-03-12 | Dual-purpose control valve convenient to operate |
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| CN (1) | CN113324084B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116677785B (en) * | 2023-08-03 | 2023-10-20 | 山东中力高压阀门股份有限公司 | Combined high-temperature high-pressure valve |
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| CN209370500U (en) * | 2018-12-29 | 2019-09-10 | 泰兴市东岳机械有限公司 | A kind of connection structure between valve rod and spool |
| CN209839162U (en) * | 2019-03-25 | 2019-12-24 | 厦门钻铂能源技术有限公司 | Double-seal electromagnetic type emergency cut-off valve |
| CN210859883U (en) * | 2019-10-25 | 2020-06-26 | 温州市海格阀门有限公司 | High-strength ball valve |
| CN111895162A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Flat gate valve for oil field |
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2021
- 2021-03-12 CN CN202110270975.6A patent/CN113324084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206682381U (en) * | 2017-03-30 | 2017-11-28 | 张德禹 | A kind of emergent quick closing valve valve of taper self-locking back-pressure |
| CN109882603A (en) * | 2018-06-19 | 2019-06-14 | 卫忠妹 | Valve with self-locking function |
| CN109854766A (en) * | 2018-12-28 | 2019-06-07 | 天津市天飞海泰阀门有限公司 | A kind of flow control valve that can be closed with moment |
| CN209370500U (en) * | 2018-12-29 | 2019-09-10 | 泰兴市东岳机械有限公司 | A kind of connection structure between valve rod and spool |
| CN209839162U (en) * | 2019-03-25 | 2019-12-24 | 厦门钻铂能源技术有限公司 | Double-seal electromagnetic type emergency cut-off valve |
| CN210859883U (en) * | 2019-10-25 | 2020-06-26 | 温州市海格阀门有限公司 | High-strength ball valve |
| CN111895162A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Flat gate valve for oil field |
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| Publication number | Publication date |
|---|---|
| CN113324084A (en) | 2021-08-31 |
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Address after: 325000 Room 202, building 1, No. 355, Binhai 12th Branch Road, Xinghai street, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Kaige Saiyang Intelligent Technology Co.,Ltd. Address before: 325000 Room 202, building 1, No. 355, Binhai 12th Branch Road, Xinghai street, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee before: WENZHOU KAIGE SAIYANG INTELLIGENT TECHNOLOGY Co.,Ltd. |