CN116576256B - Hydraulic control electromagnetic valve with low head loss - Google Patents
Hydraulic control electromagnetic valve with low head loss Download PDFInfo
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- CN116576256B CN116576256B CN202310633328.6A CN202310633328A CN116576256B CN 116576256 B CN116576256 B CN 116576256B CN 202310633328 A CN202310633328 A CN 202310633328A CN 116576256 B CN116576256 B CN 116576256B
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- valve body
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- fixedly connected
- wall
- sealing
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- 238000007789 sealing Methods 0.000 claims description 70
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000007790 scraping Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 28
- 230000010405 clearance mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
- 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
-
- 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
- F16K1/44—Details of seats or valve members of double-seat valves
- F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
- F16K1/446—Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
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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
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Details Of Valves (AREA)
Abstract
The application discloses a hydraulic control electromagnetic valve with low head loss, which relates to the field of valves and comprises a valve body, a junction box, an electromagnet assembly, a valve core and a first piston, wherein the electromagnet assembly is arranged at the top of the valve body; this hydraulic control solenoid valve of low head loss, through the cooperation of each part of link gear and clearance mechanism, when the solenoid valve is opened, can clear up the adhesion thing of valve body inner wall, makes valve body liquid flow channel open completely simultaneously, and then has reduced the resistance that receives when liquid passes through the valve body by a wide margin, makes liquid flow bigger, and then has reduced the head loss of liquid.
Description
Technical Field
The application relates to a valve technology, in particular to a hydraulic control electromagnetic valve with low head loss.
Background
The electromagnetic valve is an electromagnetic control industrial device, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic and pneumatic, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, and can ensure the control precision and flexibility.
After the conventional electromagnetic valve is used for a long time, more adhesion substances exist on the inner wall of the conventional electromagnetic valve, the resistance to the flow of liquid can be increased due to the existence of the adhesion substances, so that the flow speed of the liquid passing through the electromagnetic valve is influenced, the conventional electromagnetic valve has smaller flow channel and larger resistance, and the mechanical energy loss of the liquid per unit mass is larger in the movement process of water flow, so that the hydraulic control electromagnetic valve with low head loss is provided.
Disclosure of Invention
The purpose of the present application is to provide a hydraulic control solenoid valve with low head loss, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the utility model provides a hydraulic control solenoid valve of low head loss, includes valve body, terminal box, electromagnet assembly, case and first piston, electromagnet assembly installs at the top of valve body, the one end and the electromagnet assembly of case are connected, the other end of case extends to the inside of valve body and is connected with first piston, the terminal box is connected with electromagnet assembly, the inside of valve body is provided with link gear, clearance mechanism and sealing mechanism, link gear includes two sealing plugs of butt on the valve body inner wall, the rigid coupling respectively on two sealing plugs are close to the sleeve and slide bar on the outer wall of one side mutually and be used for driving the drive assembly that two sealing plugs removed, the slide bar slipjoint is in telescopic inside, clearance mechanism is used for clearing up the foreign matter of adhesion on the valve body inner wall.
Further, the driving assembly comprises a connecting bar fixedly connected to the bottom of the first piston and two connecting rods hinged to the outer walls of the two sides of the connecting bar respectively, and the other ends of the two connecting rods are hinged to the outer walls of the two sealing plugs respectively.
Further, the inside of connecting strip runs through and has seted up the movable groove, the sleeve is located the inboard in movable groove.
Further, the cleaning mechanism comprises two scraping rings which are respectively arranged outside the sliding rod and the sleeve and two fixing rod groups which are respectively fixedly connected to the inner sides of the two scraping rings, the fixing rod groups are composed of a plurality of supporting rods, one ends of the supporting rods are fixedly connected with the inner walls of the scraping rings, the outer sides of the sleeve are fixedly connected with the outer walls of the supporting rods, the outer sides of the sliding rod are fixedly connected with the outer walls of the supporting rods, and the outer walls of the scraping rings are in butt joint with the inner walls of the valve body.
Further, the number of the sealing mechanisms is two, the two sealing mechanisms are respectively positioned at positions close to two ends of the valve body, and each sealing mechanism comprises an annular groove formed in the inner wall of the valve body, an air bag fixedly connected to the inner wall of the annular groove and a pneumatic assembly for controlling the air bag to shrink and expand.
Further, the pneumatic assembly comprises a first sealing tube fixedly connected to the outer wall of the valve body, a second sealing tube fixedly connected to the top of the first sealing tube, a connecting tube connected to the second sealing tube, an air guide tube fixedly connected to the bottom of the first sealing tube, a second piston abutting against the inside of the first sealing tube and a third piston abutting against the inside of the second sealing tube, the other end of the connecting tube extends to the inside of the valve body and is located above the first piston, the third piston is located above one end of the connecting tube extending to the second sealing tube, and a guide rod is fixedly connected between the second piston and the third piston.
Further, a spring is fixedly connected to the top of the third piston, and the top end of the spring is fixedly connected with the inner wall of the top of the second sealing tube.
Further, flanges are arranged at two ends of the valve body.
Compared with the prior art, the hydraulic control electromagnetic valve with low head loss provided by the application has the advantages that through the cooperation of the components of the linkage mechanism and the cleaning mechanism, when the electromagnetic valve is opened, the adhesion on the inner wall of the valve body can be cleaned, and meanwhile, the liquid circulation channel of the valve body is completely opened, so that the resistance of liquid passing through the valve body is greatly reduced, the liquid flow is larger, and the head loss of the liquid is further reduced;
through the cooperation of each part of sealing mechanism, when the solenoid valve closed state, the gasbag belongs to the inflation state, sealing plug and the gasbag butt of inflation, the leakproofness when the solenoid valve is closed has been ensured, when the solenoid valve was opened, first piston was driven upwards to remove, and then compress the gas of first piston top, the gas of first piston top enters into inside the second sealed tube through the connecting pipe, because the inner wall butt of second piston and first sealed tube bottom can not remove, so the third piston can upwards remove along the inner wall of second sealed tube, and then drive the second piston upwards remove through the guide arm, thereby take out the gas of gasbag inside through the air duct, and then withdraw the ring channel inside with the gasbag, thereby can not increase the resistance of liquid flow when the inside liquid flow of solenoid valve, when the solenoid valve is closed, can guarantee its leakproofness again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a linkage mechanism, a cleaning mechanism and a sealing mechanism according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A according to an embodiment of the present application;
fig. 4 is a schematic partial cross-sectional view of a seal structure according to an embodiment of the present application.
Reference numerals illustrate:
1. a valve body; 2. a junction box; 3. an electromagnet assembly; 4. a valve core; 5. a first piston; 6. a sealing plug; 7. a sleeve; 8. a slide bar; 9. a connecting strip; 10. a connecting rod; 11. a movable groove; 12. a scraping ring; 13. a fixed rod group; 14. an air bag; 15. a first sealing tube; 16. a second sealing tube; 17. a connecting pipe; 18. an air duct; 19. a second piston; 20. a third piston; 21. a spring; 22. a guide rod; 23. and (3) a flange.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1-3, a hydraulic control electromagnetic valve with low head loss comprises a valve body 1, a junction box 2, an electromagnet assembly 3, a valve core 4 and a first piston 5, wherein the electromagnet assembly 3 is arranged at the top of the valve body 1, one end of the valve core 4 is connected with the electromagnet assembly 3, the other end of the valve core 4 extends into the valve body 1 and is connected with the first piston 5, the junction box 2 is connected with the electromagnet assembly 3, and when the electromagnet assembly 3 is electrified through the junction box 2, an electromagnetic coil in the electromagnet assembly 3 generates suction force to lift the valve core 4 upwards so as to drive the first piston 5 to move upwards;
the inside of the valve body 1 is provided with a linkage mechanism and a cleaning mechanism, the linkage mechanism comprises two sealing plugs 6 which are abutted on the inner wall of the valve body 1, a sleeve 7 and a sliding rod 8 which are respectively fixedly connected on the outer wall of one side, which is close to the two sealing plugs 6, and a driving component for driving the two sealing plugs 6 to move, wherein the sliding rod 8 is slidingly connected inside the sleeve 7, the cleaning mechanism is used for cleaning foreign matters adhered to the inner wall of the valve body 1, the driving component comprises a connecting strip 9 fixedly connected at the bottom of the first piston 5 and two connecting rods 10 which are respectively hinged on the outer walls of the two sides of the connecting strip 9, the other ends of the two connecting rods 10 are respectively hinged with the outer walls of the two sealing plugs 6, when the first piston 5 moves upwards, the connecting strip 9 moves upwards along the inner wall of the valve body 1, the sliding rod 8 moves along the inner wall of the sleeve 7, foreign matters adhered to the inner wall of the valve body 1 are cleaned off in the process, and when the two sealing plugs 6 move to the lower part of the first piston 5, the connecting strip 9 drives the two sealing plugs 6 to move upwards through the sleeve 7 and the sleeve 8, the two connecting strips 6 do not influence the subsequent liquid flow passage 1 and the liquid flow loss is reduced, and the liquid flow loss is reduced through the valve body 1, and the liquid flow loss is reduced greatly when the liquid flow passage is opened through the valve body 1 and the liquid flow passage is opened;
the inside of the connecting strip 9 is provided with a movable groove 11 in a penetrating way, the sleeve 7 is positioned at the inner side of the movable groove 11, when the connecting strip 9 moves upwards in the earlier stage due to the arrangement of the movable groove 11, the sliding rod 8 and the sleeve 7 can not move upwards along with the movable groove, and when the two sealing plugs 6 move below the first piston 5, the inner wall at the bottom of the movable groove 11 is abutted with the sleeve 7 and drives the sleeve 7 to move upwards;
the cleaning mechanism comprises two scraping rings 12 respectively arranged outside the sliding rod 8 and the sleeve 7 and two fixed rod groups 13 respectively fixedly connected to the inner sides of the two scraping rings 12, each fixed rod group 13 consists of a plurality of supporting rods, one end of each supporting rod is fixedly connected with the inner wall of each scraping ring 12, the other end of each supporting rod on the outer side of the sleeve 7 is fixedly connected with the outer wall of each supporting rod, the other end of each supporting rod on the outer side of the sliding rod 8 is fixedly connected with the outer wall of each supporting rod, the outer wall of each scraping ring 12 is abutted with the inner wall of the valve body 1, when the two sealing plugs 6 are mutually close, the two scraping rings 12 are mutually close synchronously, in the process, the scraping rings 12 clean foreign matters adhered on the inner wall of the valve body 1, and in the subsequent liquid flowing, the scraped foreign matters can be washed away;
flanges 23 are arranged at two ends of the valve body 1, and the flanges 23 are arranged to facilitate connection of the electromagnetic valve and the pipeline.
Embodiment two:
referring to fig. 2 and fig. 4, the present embodiment provides a technical solution based on the first embodiment: the valve body 1 is provided with two sealing mechanisms, the two sealing mechanisms are respectively positioned close to two ends of the valve body 1, the sealing mechanisms comprise an annular groove formed in the inner wall of the valve body 1, an air bag 14 fixedly connected to the inner wall of the annular groove and a pneumatic component for controlling the air bag 14 to shrink and expand, the pneumatic component comprises a first sealing pipe 15 fixedly connected to the outer wall of the valve body 1, a second sealing pipe 16 fixedly connected to the top of the first sealing pipe 15, a connecting pipe 17 connected to the second sealing pipe 16, an air duct 18 fixedly connected to the bottom of the first sealing pipe 15, a second piston 19 abutting against the inner part of the first sealing pipe 15 and a third piston 20 abutting against the inner part of the second sealing pipe 16, the other end of the connecting pipe 17 extends to the inner part of the valve body 1 and is positioned above the first piston 5, the third piston 20 is positioned above one end of the connecting pipe 17 extends to the second sealing pipe 16, a guide rod 22 is fixedly connected between the second piston 19 and the third piston 20, the electromagnetic valve in the figure 2 is in a closed state, the air bag 14 is in an inflated state, the sealing plug 6 is abutted against the inflated air bag 14 to ensure the tightness when the electromagnetic valve is closed, when the electromagnetic valve is opened, the first piston 5 is driven to move upwards to compress the air above the first piston 5, the air above the first piston 5 enters the second sealing tube 16 through the connecting tube 17, the third piston 20 moves upwards along the inner wall of the second sealing tube 16 because the second piston 19 is abutted against the inner wall at the bottom of the first sealing tube 15 and cannot move, the second piston 19 is driven to move upwards through the guide rod 22, the air in the air bag 14 is pumped out through the air duct 18, the air bag 14 is retracted into the annular groove, and when the liquid in the electromagnetic valve flows, the resistance to the flow of liquid is not increased;
the top of the third piston 20 is fixedly connected with a spring 21, the top end of the spring 21 is fixedly connected with the inner wall of the top of the second sealing tube 16, and the spring 21 is used for assisting in driving the third piston 20 to move downwards.
Working principle: when the electromagnetic valve is opened, when the electromagnetic valve is electrified through the junction box 2, the electromagnetic coil in the electromagnetic valve 3 generates suction force to lift the valve core 4 upwards, so as to drive the first piston 5 to move upwards, and when the first piston 5 moves upwards, the connecting strip 9 moves upwards along with the valve core, so that the two sealing plugs 6 are driven to be close to each other along the inner wall of the valve body 1 through the two connecting rods 10, the sliding rod 8 moves along the inner wall of the sleeve 7, in the process, the sealing plugs 6 clean out foreign matters adhered to the inner wall of the valve body 1, meanwhile, the two scraping rings 12 are driven to be close to each other synchronously, the scraping rings 12 clean out the foreign matters adhered to the inner wall of the valve body 1, and when the subsequent liquid flows, the connecting strip 9 drives the two sealing plugs 6 to move upwards through the sleeve 7 and the sliding rod 8, so that the channel of the subsequent liquid flows is not influenced, and the resistance of the liquid flowing through the inner wall adhesion of the valve body 1 is greatly reduced, and the liquid flow loss is further reduced;
when the electromagnetic valve is in a closed state, the air bag 14 is in an inflated state, the sealing plug 6 is abutted against the inflated air bag 14 to ensure the tightness when the electromagnetic valve is closed, when the electromagnetic valve is opened, the first piston 5 is driven to move upwards, so that the air above the first piston 5 is compressed, the air above the first piston 5 enters the second sealing tube 16 through the connecting tube 17, and the third piston 20 moves upwards along the inner wall of the second sealing tube 16 because the second piston 19 is abutted against the inner wall of the bottom of the first sealing tube 15 and then drives the second piston 19 to move upwards through the guide rod 22, so that the air inside the air bag 14 is pumped out through the air duct 18, and the air bag 14 is retracted into the annular groove, so that the resistance to liquid flow is not increased when the liquid inside the electromagnetic valve flows, and the tightness can be ensured when the electromagnetic valve is closed.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (5)
1. The hydraulic control electromagnetic valve with low head loss comprises a valve body (1), a junction box (2), an electromagnet assembly (3), a valve core (4) and a first piston (5), and is characterized in that the electromagnet assembly (3) is arranged at the top of the valve body (1), one end of the valve core (4) is connected with the electromagnet assembly (3), the other end of the valve core (4) extends to the inside of the valve body (1) and is connected with the first piston (5), the junction box (2) is connected with the electromagnet assembly (3), a linkage mechanism, a cleaning mechanism and a sealing mechanism are arranged in the valve body (1), the linkage mechanism comprises two sealing plugs (6) which are abutted against the inner wall of the valve body (1), a sleeve (7) and a slide rod (8) which are fixedly connected to the outer walls of one side, which are close to the two sealing plugs (6) respectively, and a driving assembly for driving the two sealing plugs (6) to move, the slide rod (8) is slidingly connected in the inside of the sleeve (7), and the cleaning mechanism is used for cleaning foreign matters adhered on the inner wall of the valve body (1).
The sealing mechanisms are two in number and are respectively positioned at positions close to two ends of the valve body (1), and each sealing mechanism comprises an annular groove formed in the inner wall of the valve body (1), an air bag (14) fixedly connected to the inner wall of the annular groove and a pneumatic assembly for controlling the air bag (14) to shrink and expand;
the pneumatic assembly comprises a first sealing tube (15) fixedly connected to the outer wall of the valve body (1), a second sealing tube (16) fixedly connected to the top of the first sealing tube (15), a connecting tube (17) connected to the second sealing tube (16), an air duct (18) fixedly connected to the bottom of the first sealing tube (15), a second piston (19) abutted to the inside of the first sealing tube (15) and a third piston (20) abutted to the inside of the second sealing tube (16), the other end of the connecting tube (17) extends to the inside of the valve body (1) and is located above the first piston (5), the third piston (20) is located above one end of the connecting tube (17) extending to the second sealing tube (16), and a guide rod (22) is fixedly connected between the second piston (19) and the third piston (20);
the top of the third piston (20) is fixedly connected with a spring (21), and the top end of the spring (21) is fixedly connected with the inner wall of the top of the second sealing tube (16).
2. The hydraulic control electromagnetic valve with low head loss according to claim 1, characterized in that the driving assembly comprises a connecting bar (9) fixedly connected to the bottom of the first piston (5) and two connecting rods (10) respectively hinged to the outer walls of the two sides of the connecting bar (9), and the other ends of the two connecting rods (10) are respectively hinged to the outer walls of the two sealing plugs (6).
3. The hydraulic control electromagnetic valve with low head loss according to claim 2, characterized in that the inside of the connecting strip (9) is provided with a movable groove (11) in a penetrating way, and the sleeve (7) is positioned at the inner side of the movable groove (11).
4. The hydraulic control electromagnetic valve with low head loss according to claim 1, characterized in that the cleaning mechanism comprises two scraping rings (12) respectively arranged outside the sliding rod (8) and the sleeve (7) and two fixed rod groups (13) respectively fixedly connected inside the two scraping rings (12), the fixed rod groups (13) are composed of a plurality of supporting rods, one ends of the supporting rods are fixedly connected with the inner wall of the scraping rings (12), the other ends of the supporting rods are fixedly connected with the outer wall of the supporting rods outside the sleeve (7), the other ends of the supporting rods are fixedly connected with the outer wall of the sliding rod (8), and the outer wall of the scraping rings (12) are in butt joint with the inner wall of the valve body (1).
5. The hydraulic control solenoid valve with low head loss according to claim 1, characterized in that the valve body (1) is fitted with flanges (23) at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310633328.6A CN116576256B (en) | 2023-05-31 | 2023-05-31 | Hydraulic control electromagnetic valve with low head loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310633328.6A CN116576256B (en) | 2023-05-31 | 2023-05-31 | Hydraulic control electromagnetic valve with low head loss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116576256A CN116576256A (en) | 2023-08-11 |
| CN116576256B true CN116576256B (en) | 2023-10-31 |
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| CN202310633328.6A Active CN116576256B (en) | 2023-05-31 | 2023-05-31 | Hydraulic control electromagnetic valve with low head loss |
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| CN118499484B (en) * | 2024-07-17 | 2024-10-29 | 靖江市奥威船用阀门有限公司 | Leakage-proof marine valve |
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| CN212102725U (en) * | 2020-01-14 | 2020-12-08 | 上海铂嘉阀门有限公司 | Control valve for petrochemical natural gas |
| CN112112981A (en) * | 2020-10-22 | 2020-12-22 | 重庆磐恒阀门有限公司 | High leakproofness gas solenoid valve |
| CN216114119U (en) * | 2021-08-17 | 2022-03-22 | 陕煤集团神木红柳林矿业有限公司 | Pulverized coal furnace ash bin discharge valve transformation structure |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212102725U (en) * | 2020-01-14 | 2020-12-08 | 上海铂嘉阀门有限公司 | Control valve for petrochemical natural gas |
| CN112112981A (en) * | 2020-10-22 | 2020-12-22 | 重庆磐恒阀门有限公司 | High leakproofness gas solenoid valve |
| CN216114119U (en) * | 2021-08-17 | 2022-03-22 | 陕煤集团神木红柳林矿业有限公司 | Pulverized coal furnace ash bin discharge valve transformation structure |
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| CN116576256A (en) | 2023-08-11 |
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