CN115789293A - Gas spring slide valve - Google Patents
Gas spring slide valve Download PDFInfo
- Publication number
- CN115789293A CN115789293A CN202211491946.3A CN202211491946A CN115789293A CN 115789293 A CN115789293 A CN 115789293A CN 202211491946 A CN202211491946 A CN 202211491946A CN 115789293 A CN115789293 A CN 115789293A
- Authority
- CN
- China
- Prior art keywords
- valve
- cavity
- valve body
- rear end
- iron core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a gas spring sliding valve which comprises a main valve body, wherein a valve cavity is formed in the main valve body, a valve rod assembly is arranged in the valve cavity, an exhaust port and a working port are formed in the upper portion and the lower portion of the main valve body and communicated with the interior of the valve cavity, the rear end of the main valve body is connected with a rear end cover in a sealing mode, the front end of the main valve body is connected with a pilot valve in a sealing mode, and the front end of the pilot valve is connected with an iron core assembly. The slide valve acts on the driving piston through the acting force generated by air pressure to realize the normal switching of the valve, and the physical service life of alternating load generated by the normal work of a mechanical component (spring) is avoided, so that the slide valve can be greatly usedExtending the useful life of a solenoid spool valve 。
Description
Technical Field
The invention relates to the technical field of electromagnetic valves, in particular to a gas spring slide valve.
Background
The electromagnetic slide valve is mainly composed of valve body, valve core, valve sleeve, reversing rod and reset spring, in which the valve sleeve is mounted on the valve core and placed in the valve body. After the electromagnetic slide valve is used for a long time, the electromagnetic slide valve is often subjected to failure deformation due to fatigue damage of a return spring, so that the response time of the electromagnetic slide valve is prolonged, and the defects of over-slow response and the like are generated. When the return spring is seriously deformed, the friction damage to related parts can be caused, and the serious problems that the electromagnetic slide valve loses the switching function and the like are caused.
Disclosure of Invention
It is an object of the present invention to provide a gas spring spool valve that solves the problems noted in the background. In order to achieve the purpose, the invention provides the following technical scheme: a gas spring sliding valve comprises a main valve body, wherein a valve cavity is formed in the main valve body, a valve rod assembly is installed in the valve cavity, an air outlet and a working port are formed in the upper portion and the lower portion of the main valve body, the air outlet and the working port are communicated with the interior of the valve cavity, the rear end of the main valve body is connected with a rear end cover in a sealing mode, the front end of the main valve body is connected with a pilot valve in a sealing mode, and the front end of the pilot valve is connected with an iron core assembly;
the valve rod assembly comprises a valve rod, a large piston and a small piston are connected to the front end and the rear end of the valve rod respectively, a valve core is installed on the valve rod, a rear installation cavity is formed in the rear end cover, a front installation cavity is formed in the rear end of the pilot valve, the rear installation cavity and the front installation cavity are communicated with a valve cavity, the large piston is located in the front installation cavity, the small piston is located in the rear installation cavity, an air vent is formed in the rear end of the rear end cover, and the air vent is communicated with the rear installation cavity.
Preferably, the pilot valve comprises a valve body, the front mounting cavity is formed in the rear end of the valve body, the front end of the valve body is provided with a driving cavity, the driving cavity is communicated with the front mounting cavity through a ventilation pipeline, one side of the valve body is provided with an air inlet hole, the air inlet hole is communicated with the driving cavity through an air inlet pipeline, and a manual switch assembly is installed in the air inlet hole.
Preferably, the iron core subassembly includes quiet iron core coil pack, quiet iron core coil pack middle part is equipped with the motion chamber, the inside installation of motion chamber has movable iron core coil pack, it has the dog to move iron core coil pack front end through spring coupling, the dog is located the drive intracavity portion, the dog position corresponds with admission line's open position, move iron core coil pack and move and install reset spring between the chamber.
Preferably, a plurality of valve chambers are arranged in the valve cavity, and the valve chambers are communicated with the exhaust port and the working port.
Preferably, the number of the exhaust ports is two, the exhaust ports are arranged below the main valve body, one working port is arranged below the main valve body and is positioned between the two exhaust ports, the number of the working ports above the main valve body is two, the valve cavity and the valve chamber are of cylindrical structures, and the diameter of the valve chamber is larger than that of the valve cavity;
preferably, the valve core, the large piston and the small piston are all provided with sealing rings.
The invention has the technical effects and advantages that: the slide valve acts on the driving piston through the acting force generated by air pressure so as to realize the normal switching of the valve, and the effective service life of the electromagnetic slide valve can be greatly prolonged because the alternate loaded physical service life of a mechanical component (spring) caused by normal work is avoided.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic view of the core assembly of the present invention in operation with the core assembly energized;
fig. 6 is a schematic view of the core assembly of the present invention in a power-off condition.
In the figure: 1. a main valve body; 2. a valve cavity; 3. a valve stem assembly; 4. an exhaust port; 5. a working port; 6. a rear end cap; 7. a pilot valve; 8. an iron core assembly; 9. a valve stem; 10. a large piston; 11. a small piston; 12. a valve core; 13. a rear mounting cavity; 14. a front mounting cavity; 15. a vent hole; 16. a seal ring; 17. a valve body; 18. a drive chamber; 19. an air duct; 20. an air inlet; 21. a manual switch assembly; 22. a stationary core coil assembly; 23. a motion cavity; 24. a moving core coil assembly; 25. a spring; 26. a stopper; 27. a valve chamber; 28. a return spring; 29-air inlet duct.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
As shown in fig. 1-4, an air spring slide valve comprises a main valve body 1, a valve cavity 2 is opened in the main valve body 1, a valve rod assembly 3 is installed in the valve cavity 2, an exhaust port 4 and a working port 5 are opened above and below the main valve body 1, the exhaust port 4 and the working port 5 are communicated with the inside of the valve cavity 2, the rear end of the main valve body 1 is hermetically connected with a rear end cover 6, the front end of the main valve body is hermetically connected with a pilot valve 7, and the front end of the pilot valve 7 is connected with an iron core assembly 8;
the valve rod assembly 3 comprises a valve rod 9, a large piston 10 and a small piston 11 are connected to the front end and the rear end of the valve rod 9 respectively, a valve core 12 is installed on the valve rod 9, a rear installation cavity 13 is formed in the rear end cover 6, a front installation cavity 14 is formed in the rear end of the pilot valve 7, the rear installation cavity 13 and the front installation cavity 14 are communicated with the valve cavity 2, the large piston 10 is located in the front installation cavity 14, the small piston 11 is located in the rear installation cavity 13, a vent hole 15 is formed in the rear end of the rear end cover 6, and the vent hole 15 is communicated with the rear installation cavity 13.
Example 2
As shown in fig. 1-6, an air spring slide valve comprises a main valve body 1, a valve cavity 2 is opened in the main valve body 1, a valve rod assembly 3 is installed in the valve cavity 2, an exhaust port 4 and a working port 5 are opened above and below the main valve body 1, the exhaust port 4 and the working port 5 are communicated with the inside of the valve cavity 2, the rear end of the main valve body 1 is hermetically connected with a rear end cover 6, the front end of the main valve body is hermetically connected with a pilot valve 7, and the front end of the pilot valve 7 is connected with an iron core assembly 8;
the valve rod assembly 3 comprises a valve rod 9, the front end and the rear end of the valve rod 9 are respectively connected with a large piston 10 and a small piston 11, a valve core 12 is installed on the valve rod 9, a rear installation cavity 13 is formed inside a rear end cover 6, a front installation cavity 14 is formed inside the rear end of the pilot valve 7, the rear installation cavity 13 and the front installation cavity 14 are communicated with a valve cavity 2, the large piston 10 is located inside the front installation cavity 14, the small piston 11 is located inside the rear installation cavity 13, a vent hole 15 is formed in the rear end of the rear end cover 6, the vent hole 15 is communicated with the inside of the rear installation cavity 13, and sealing rings 16 are installed on the valve core 12, the large piston 10 and the small piston 11;
the pilot valve 7 comprises a valve body 17, the front installation cavity 14 is formed in the rear end of the valve body 17, a driving cavity 18 is formed in the front end of the valve body 17, the driving cavity 18 is communicated with the front installation cavity 14 through a ventilation pipeline 19, an air inlet hole 20 is formed in one side of the valve body 17, the air inlet hole 20 is communicated with the driving cavity 18 through an air inlet pipeline 29, and a manual switch assembly 21 is installed in the air inlet hole 20;
the iron core assembly 8 comprises a static iron core coil assembly 22, a moving cavity 23 is arranged in the middle of the static iron core coil assembly 22, a moving iron core coil assembly 24 is installed in the moving cavity 23, the front end of the moving iron core coil assembly 24 is connected with a stop block 26 through a spring 25, the stop block 26 is located in the driving cavity 18, the position of the stop block 26 corresponds to the opening position of the air inlet pipeline 21, and a reset spring 28 is installed between the moving iron core coil assembly 24 and the moving cavity 23;
the valve cavity 2 is internally provided with a plurality of valve chambers 27, the valve chambers 27 are communicated with the exhaust ports 4 and the working ports 5, the number of the exhaust ports 4 is two, one working port 5 is arranged below the main valve body 1 and located between the two exhaust ports 4, the number of the working ports 5 above the main valve body 1 is two, the valve cavity 2 and the valve chambers 27 are of cylindrical structures, and the diameter of the valve chamber 27 is larger than that of the valve cavity 2.
The process flow and the working principle of the invention are as follows: the device is installed at a designated position as required, a working port 5 is connected with a pipeline, a manual switch assembly 21 is detached from an air inlet hole 20, when an iron core assembly 8 is electrified, a static iron core coil assembly 22 and a movable iron core coil assembly 24 generate a magnetic field, the static iron core coil assembly 22 drives the movable iron core coil assembly 24 to move backwards along a moving cavity 23, so that a stop 26 is moved away from the opening position of an air inlet pipeline 29, external air enters a front installation cavity 14 from the air inlet hole 20 through a driving cavity 18 and a vent pipeline 19, and due to the fact that the sectional areas of a large piston 10 and a small piston 11 are different, a valve rod assembly 3 moves from the direction of the large piston 10 to the direction of the small piston 11, and therefore conduction is achieved between a working port 28 below a main valve body 1 and the working port 5 on the left side above the main valve body; when the iron core assembly 8 is powered off, the return spring 28 controls the movable iron core coil assembly 24 to return, so that the stop block 26 blocks the opening of the air inlet pipeline 29, and the valve rod assembly 3 moves towards the large piston 10 from the small piston 11 direction under the action of pressure, so that the working port 28 below the valve body 1 is communicated with the working port 5 on the right side above the valve body, and the normal switching of the valve is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A gas spring spool valve comprising a main valve body, characterized in that: the rear end of the main valve body is connected with a rear end cover in a sealing manner, the front end of the main valve body is connected with a pilot valve in a sealing manner, and the front end of the pilot valve is connected with an iron core assembly;
the valve rod assembly comprises a valve rod, a large piston and a small piston are connected to the front end and the rear end of the valve rod respectively, a valve core is installed on the valve rod, a rear installation cavity is formed in the rear end cover, a front installation cavity is formed in the rear end of the pilot valve, the rear installation cavity and the front installation cavity are communicated with a valve cavity, the large piston is located in the front installation cavity, the small piston is located in the rear installation cavity, an air vent is formed in the rear end of the rear end cover, and the air vent is communicated with the rear installation cavity.
2. A gas spring spool according to claim 1 wherein: the pilot valve comprises a valve body, the front installation cavity is formed in the rear end of the valve body, the front end of the valve body is provided with a driving cavity, the driving cavity is communicated with the front installation cavity through a vent pipeline, one side of the valve body is provided with an air inlet hole, the air inlet hole is communicated with the driving cavity through an air inlet pipeline, and a manual switch assembly is installed in the air inlet hole.
3. A gas spring spool according to claim 2 wherein: the iron core assembly comprises a static iron core coil assembly, a movement cavity is arranged in the middle of the static iron core coil assembly, the movement cavity is internally provided with a movable iron core coil assembly, the front end of the movable iron core coil assembly is connected with a stop block through a spring, the stop block is positioned in the driving cavity, the position of the stop block corresponds to the opening position of the air inlet pipeline, and a reset spring is arranged between the movable iron core coil assembly and the movement cavity.
4. A gas spring spool according to claim 1 wherein: a plurality of valve chambers are arranged in the valve cavity and communicated with the exhaust port and the working port.
5. A gas spring spool according to claim 4 wherein: the valve comprises a main valve body, a valve cavity and a valve chamber, wherein the main valve body is provided with two exhaust ports, one working port is arranged below the main valve body and is positioned between the two exhaust ports, the two working ports are arranged above the main valve body, the valve cavity and the valve chamber are of cylindrical structures, and the diameter of the valve chamber is larger than that of the valve cavity.
6. A gas spring spool according to claim 1 wherein: and the valve core, the large piston and the small piston are all provided with sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211491946.3A CN115789293A (en) | 2022-11-25 | 2022-11-25 | Gas spring slide valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211491946.3A CN115789293A (en) | 2022-11-25 | 2022-11-25 | Gas spring slide valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115789293A true CN115789293A (en) | 2023-03-14 |
Family
ID=85441541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211491946.3A Pending CN115789293A (en) | 2022-11-25 | 2022-11-25 | Gas spring slide valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115789293A (en) |
-
2022
- 2022-11-25 CN CN202211491946.3A patent/CN115789293A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106122516B (en) | Flow channel switch unit | |
| JPH0744560U (en) | Front cutoff valve | |
| JP2007517177A5 (en) | ||
| CN208651305U (en) | A kind of air-operated solenoid valve | |
| US9062778B2 (en) | Valve having a diaphragm capable of displacement within a retaining member | |
| JP4943433B2 (en) | Reciprocating piston pump with air valve, detent and poppet valve | |
| CN112112981A (en) | High leakproofness gas solenoid valve | |
| KR100903413B1 (en) | Balance solenoid valve | |
| CN115789293A (en) | Gas spring slide valve | |
| CN218761577U (en) | Gas spring slide valve | |
| CN211715881U (en) | Pilot-operated electromagnetic stop valve device | |
| CN211875246U (en) | Angle seat valve with low-pressure emptying safety device | |
| CN109404363B (en) | Hydraulic cylinder for driving exhaust valve and working method thereof | |
| CN214425232U (en) | Electromagnetic valve | |
| CN216789321U (en) | Two tee bend pilot valves | |
| CN216895911U (en) | Internal exhaust type electromagnetic valve | |
| CN212455714U (en) | Pilot-operated type electromagnetic valve | |
| CN219734258U (en) | Pneumatic flow control valve | |
| CN220168712U (en) | Solenoid valve, solenoid valve subassembly and car | |
| CN218954068U (en) | Fluid control valve | |
| CN218598945U (en) | Pneumatic control valve | |
| CN216479058U (en) | Proportional electromagnetic valve | |
| CN217977653U (en) | Two-position two-way normally closed electromagnetic valve | |
| JP3563423B2 (en) | Operating device for shut-off valve | |
| CN218235656U (en) | Long-life switch solenoid valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |