CN214425232U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
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- CN214425232U CN214425232U CN202023237279.5U CN202023237279U CN214425232U CN 214425232 U CN214425232 U CN 214425232U CN 202023237279 U CN202023237279 U CN 202023237279U CN 214425232 U CN214425232 U CN 214425232U
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- valve core
- reset
- chamber
- valve
- armature
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Abstract
The utility model provides a solenoid valve, it is through the cooperation of electro-magnet, armature, the activity of control reset valve core, main valve core, realize communicating cavity A, cavity O and communicating cavity P, cavity O, realize the control to the opening and shutting of the air inlet of solenoid valve, gas outlet; the control of the reset valve core is realized through the electromagnet and the armature, the magnetic force applied by the armature to the reset valve core cannot be reduced due to the increase of the distance, and compared with the electromagnetic valve in the prior art, the electromagnetic valve in the technical scheme has larger effective stroke; simultaneously, great effective stroke can improve the gas flow through the air chamber structure, makes the utility model discloses solenoid valve among the technical scheme possesses bigger dynamics.
Description
Technical Field
The utility model relates to a solenoid valve technical field specifically is a quick open-close solenoid valve.
Background
The solenoid valve is a common basic element in the automation industry, and is matched with different circuits to realize preset functions. Most of the existing electromagnetic valves are solenoid electromagnetic valves, and the air holes are opened and closed by moving an adsorption iron core of the electrified solenoid; however, the solenoid type solenoid valve has a limited effective stroke due to its structure, so that the gas flow passing through the gas hole is limited, and the opening and closing speed and force of the load are limited.
Disclosure of Invention
In order to solve the problem that the effective stroke of solenoid valve among the prior art is shorter, the utility model provides a solenoid valve, it possesses great effective stroke, can provide bigger dynamics, faster speed of opening and shutting.
The technical scheme of the utility model is like this: a solenoid valve, comprising: valve body, air inlet, gas outlet set up in electromagnetic control structure, valve structure, air chamber structure in the valve body, the air chamber structure intercommunication the air inlet the gas outlet, its characterized in that:
the electromagnetic control structure comprises a C-shaped electromagnet and an armature arranged on the C-shaped opening side of the electromagnet through a magnetic conduction assembly; one end of the armature is hinged to the electromagnet;
the electromagnetic control structure takes the hinged side of the armature as a top and is arranged in an installation cavity in the valve body;
the valve structure comprises a reset valve core and a main valve core, wherein one end of the main valve core is provided with a reset pushing structure, and the other end of the main valve core is connected with the reset valve core through a connecting rod; the connecting rod between the reset valve core and the main valve core is arranged in the inner cavity of the valve sleeve, and the length of the connecting rod is greater than that of the inner cavity of the valve sleeve;
one end of the reset valve core, which is far away from the main valve core, extends out of an inlet at one end of the air chamber structure, and the other end of the armature iron extends to the extending end of the reset valve core;
the air chamber structure comprises a chamber P communicated with the air inlet, a chamber A communicated with the air outlet, and a chamber O communicated with the chamber A and the chamber P and communicated with a working air chamber;
the chamber O is arranged in the inner cavity of the valve sleeve, the reset valve core is arranged in the chamber A, and the main valve core is arranged in the chamber P;
the main valve core and the reset valve core are respectively arranged on the sealing heads matched with the inlets of the inner cavities of the valve sleeves at one ends connected with the connecting rods.
It is further characterized in that:
the magnetic conduction assembly comprises a first magnetic conduction assembly and a second magnetic conduction assembly which are respectively arranged on the two opposite side surfaces of the C-shaped opening of the electromagnet, and the first magnetic conduction assembly and the second magnetic conduction assembly are respectively arranged on the two opposite side surfaces of the C-shaped opening of the electromagnet and are connected through a magnetic conduction connecting piece arranged in the electromagnet; one end of the armature is hinged to the first magnetic conduction assembly through a connecting piece, and the electromagnetic control structure is installed in the installation cavity by taking one side where the second magnetic conduction assembly is located as a bottom;
the main valve core and the connecting rod are integrally formed injection molding pieces;
an installation cavity is arranged in the sealing head of the reset valve core, and the inner cavity structure of the installation cavity is matched with the shape of the outer surface of the connecting rod;
the structure of the sealing head on the main valve core and the reset valve core comprises: the outer wall of the bottom end surface of the sealing head is matched with the inner surface cambered surfaces of inlets on two sides of the inner cavity of the valve sleeve;
the reset pushing structure comprises a reset spring, the reset spring is arranged in a spring mounting seat, and the reset spring is pressed on the main valve core in a propping mode.
The utility model provides a solenoid valve, it is through the cooperation of electro-magnet, armature, the activity of control reset valve core, main valve core, realize communicating cavity A, cavity O and communicating cavity P, cavity O, realize the control to the opening and shutting of the air inlet of solenoid valve, gas outlet; the control of the reset valve core is realized through the electromagnet and the armature, the magnetic force applied by the armature to the reset valve core cannot be reduced due to the increase of the distance, and compared with the electromagnetic valve in the prior art, the electromagnetic valve in the technical scheme has larger effective stroke; meanwhile, the larger effective stroke can improve the gas flow passing through the air chamber structure, so that the electromagnetic valve in the technical scheme of the utility model has larger force; the outer wall of the bottom end face of the sealing head is matched with the inner surfaces of the inlets on the two sides of the inner cavity of the valve sleeve in a cambered surface manner, and the sealing head supports against the inlets on the two sides of the inner cavity of the valve sleeve to form a cambered surface sealing structure, so that the diameter of the inlets on the two sides of the inner cavity of the valve sleeve is not limited, a larger airflow channel can be supported, and the higher pressurization and pressure relief speed and the higher force of gas are ensured; meanwhile, the reset valve core and the main valve core seal the chamber based on the cambered surface sealing structure, the larger the pressure is, the better the sealing effect is, the small contact surface and the small abrasion are, and the service life of the product is prolonged.
Drawings
FIG. 1 is an exploded view of the solenoid valve of this patent;
FIG. 2 is a schematic view of the overall structure of the solenoid valve;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic perspective view of a main valve element;
FIG. 5 is a schematic perspective view of a reset valve cartridge;
FIG. 6 is an enlarged schematic structural view of the structure B in FIG. 3 in a state where the chamber P and the chamber O are communicated;
fig. 7 is an enlarged schematic structural view of the structure at B in fig. 3 in a state where the chamber a and the chamber O are in communication.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention provides a solenoid valve, which includes: the electromagnetic control structure comprises a C-shaped electromagnet 2 and an armature 5 arranged on the C-shaped opening side of the electromagnet 2 through a magnetic conduction assembly; one end of the armature 5 is hinged on the electromagnet 2; as shown in fig. 2, the solenoid control structure is mounted in a mounting chamber 20 in the valve body 1, with the hinged side of the armature 5 being the top.
In this embodiment, the magnetic conducting component includes a first magnetic conducting component 4 and a second magnetic conducting component 3, which are respectively disposed on two opposite side surfaces of the C-shaped opening of the electromagnet 2, and the first magnetic conducting component 4 and the second magnetic conducting component 3 are connected by a magnetic conducting connecting piece 19 disposed inside the electromagnet 2; one end of the armature 5 is hinged on the first magnetic conduction component 4 through a connecting piece, the electromagnetic control structure is installed in the installation cavity 20 by taking one side where the second magnetic conduction component 3 is located as a bottom, as shown in fig. 1, the first magnetic conduction component 4 is fixed on one side of a C sub-opening of the electromagnet 2 through a bolt 18, and the second magnetic conduction component 3 is fixed in the installation cavity 20 in the valve body 1 through a first bolt 21 and a second bolt 22; the armature 5 is sealed at the outside by a cover 6, and the cover 6 is fixed by a third bolt 16 and a fourth bolt 17.
The valve structure comprises a reset valve core 7 and a main valve core 8, wherein one end of the main valve core 8 is provided with a reset pushing structure, and the other end of the main valve core 8 is connected with the reset valve core 7 through a connecting rod 9; a connecting rod 9 between the reset valve core 7 and the main valve core 8 is arranged in the inner cavity of the valve sleeve 10, and the length of the connecting rod is greater than that of the inner cavity of the valve sleeve 10; one end of the reset valve core 7, which is far away from the main valve core 8, extends out of an inlet at one end of the air chamber structure, and the other end of the armature 5 extends to the extending end of the reset valve core 7; in this embodiment, the reset pushing structure includes a reset spring 11, the reset spring 11 is disposed in a spring mounting seat 12, and the reset spring 11 abuts against the main valve element 8; main valve element 8, connecting rod 9 are integrated into one piece's injection molding.
As shown in fig. 7, after the electromagnet 2 is energized, an attraction force is generated, the movable bottom end of the armature 5 is attracted to move towards the direction of the magnetic guide assembly, the reset valve core 7 is pushed to move, the reset valve core 7 pushes the main valve core 8 to move through the connecting rod 9, and the reset spring 11 is extruded; because the length of the connecting rod 9 is larger than that of the inner cavity of the valve sleeve 10, the reset valve core 7 is pushed by the armature 5 to move towards the inlet of the inner cavity of the valve sleeve 10, the main valve core 8 is pushed to leave the sealed inlet of the inner cavity of the valve sleeve 10, and a chamber P13 and a chamber O14 are opened; the main valve core and the reset valve core 7 conduct force through a connecting piece 9, the valve is opened and closed hard, the force applied to the valve cannot be attenuated due to the change of the distance, and a larger effective stroke can be ensured.
The air chamber structure comprises a chamber P13 communicated with the air inlet, a chamber A15 communicated with the air outlet, a chamber O14 communicated with the chamber A15 and the chamber P13 and communicated with the working air chamber, and the control of the air passage of the electromagnetic valve is realized through the communication of the chamber O with the chamber P13 and the chamber A15; a chamber O14 is arranged in the inner cavity of the valve housing 10, a reset valve core 7 is arranged in a chamber A15, and a main valve core 8 is arranged in a chamber P13; the main valve core 8 and the reset valve core 7 are respectively arranged at the sealing head matched with the inlet of the inner cavity of the valve sleeve 10 at one end connected with the connecting rod 9: a main sealing head 8-2 and a reset sealing head 7-2; an installation cavity 20 is arranged in the sealing head of the reset valve core 7, and the inner cavity structure of the installation cavity 20 is matched with the outer surface shape of the connecting rod 9; the structure of the sealing head on the main valve core 8 and the reset valve core 7 comprises: the outer wall of the bottom end surface of the sealing head is matched with the inner surface cambered surfaces of inlets on two sides of the inner cavity of the valve sleeve 10; the utility model discloses among the technical scheme, seal through cambered surface decoupling zero thigh, according to actual need, when adjusting valve barrel 10 inner chamber diameter, can not arouse the change of overall structure, the main sealed head 8-2 of both sides, the sealed head 7-2 that resets are all sealed to the diameter at the valve barrel 10 inner chamber that the limited range changes, have ensured the utility model discloses technical scheme has more nimble suitability.
As shown in fig. 4, which is a schematic structural diagram of the main valve element 8, the diameter of a cylindrical valve body 8-1 is matched with the size of a spring cavity where a middle return spring 11 of a spring mounting seat 12 is located, the valve body 8-1 is mounted in the spring cavity and abuts against the return spring 11, and a connecting rod 9 is arranged at the position of a cone head of a conical main sealing head 8-2; as shown in fig. 5, which is a schematic structural diagram of the reset valve core 7, a conical reset sealing head 7-2 is provided with an installation cavity 20 inside, when the solenoid valve is installed, the other end of a connecting rod 9 integrally formed with the main valve core 8 is inserted into the installation cavity 20, and the length of the connecting rod 9 between the reset valve core 7 and the main valve core 8 is greater than the length of an inner cavity of the valve sleeve 10; the reset sealing head 7-2, the valve rod 7-1 and the valve tail 7-3 are integrally formed, as shown in fig. 3, the tail end of the valve tail 7-3 is exposed outside the cavity structure, the armature 5 is attracted by the electromagnet 2 and then is hit at the tail end of the valve tail 7-3, the thrust is transmitted to the main valve element 8 through the reset valve element 7 and the connecting rod 9, no loss is generated, the length of the connecting rod 9 can be designed according to the actual requirement of the electromagnetic valve, and further the effective stroke is ensured to meet the actual requirement of the electromagnetic valve.
As shown in fig. 6, when the electromagnet 2 is not energized, under the combined action of the return spring 11 and the air pressure in the chamber P from the air inlet of the main valve element 8, the main sealing head 8-2 of the main valve element 8 is pressed against the inlet of the inner cavity of the valve housing 10, and the chamber P13 and the chamber 014 are sealed and isolated by the main valve element 8; the reset valve core 7 is pressed by the connecting rod 9 in the middle, is far away from the inlet of the inner cavity of the valve sleeve 10, and the cavity A15 is communicated with the cavity 014;
as shown in fig. 7, when the electromagnet 2 is energized, an attraction force is generated, the movable bottom end of the armature 5 is attracted to move towards the direction of the magnetic guide assembly, the reset valve core 7 is pushed by the armature 5 to move towards the inlet of the inner cavity of the valve sleeve 10, the main valve core 8 is pushed to leave the sealed inlet of the inner cavity of the valve sleeve 10, and a chamber P13 and a chamber O14 are communicated; the reset valve core 7 is pressed against the inlet of the inner cavity of the valve sleeve 10 by the force exerted by the armature 5 to seal and isolate the cavity A15 from the cavity 014;
in the embodiment, the electromagnetic valve is used for controlling the air path of the circuit breaker, when the electromagnet 2 is electrified, a chamber P13 and a chamber O14 of the electromagnetic valve are communicated, an air inlet is communicated with a working air path, compressed air enters the air cylinder, and the air cylinder piston drives the transmission mechanism to enable the vacuum circuit breaker to be switched on; when the electromagnet 2 is powered off, the air inlet of the electromagnetic valve is closed, the chamber A15 and the chamber 014 are communicated, the exhaust port is communicated with the working air path, compressed air in the air cylinder of the circuit breaker is exhausted, and the opening spring of the vacuum circuit breaker drives the transmission mechanism to open the vacuum circuit breaker.
After the technical scheme of the utility model is used, the armature 5 is exerted with electromagnetic force through the electromagnet 2, the armature 5 is driven to push the valve core structure to move, and the cavity P13 and the cavity O14 are opened; after the electromagnet 2 is powered off, the reset spring 11 and the air source pressure act on the main valve element 8 together, the passage of the chamber P13 and the chamber O14 is disconnected, the chamber A15 and the chamber 014 are opened, the whole process is completed through the combined action of the electromagnetic force and the mechanical force, and the electromagnetic valve is ensured to provide larger force and faster opening and closing speed.
Claims (6)
1. A solenoid valve, comprising: valve body, air inlet, gas outlet set up in electromagnetic control structure, valve structure, air chamber structure in the valve body, the air chamber structure intercommunication the air inlet the gas outlet, its characterized in that:
the electromagnetic control structure comprises a C-shaped electromagnet and an armature arranged on the C-shaped opening side of the electromagnet through a magnetic conduction assembly; one end of the armature is hinged to the electromagnet;
the electromagnetic control structure takes the hinged side of the armature as a top and is arranged in an installation cavity in the valve body;
the valve structure comprises a reset valve core and a main valve core, wherein one end of the main valve core is provided with a reset pushing structure, and the other end of the main valve core is connected with the reset valve core through a connecting rod; the connecting rod between the reset valve core and the main valve core is arranged in the inner cavity of the valve sleeve, and the length of the connecting rod is greater than that of the inner cavity of the valve sleeve;
one end of the reset valve core, which is far away from the main valve core, extends out of an inlet at one end of the air chamber structure, and the other end of the armature iron extends to the extending end of the reset valve core;
the air chamber structure comprises a chamber P communicated with the air inlet, a chamber A communicated with the air outlet, and a chamber O communicated with the chamber A and the chamber P, wherein the chamber O is communicated with a working air chamber;
the chamber O is arranged in the inner cavity of the valve sleeve, the reset valve core is arranged in the chamber A, and the main valve core is arranged in the chamber P;
the main valve core and the reset valve core are respectively arranged on the sealing heads matched with the inlets of the inner cavities of the valve sleeves at one ends connected with the connecting rods.
2. A solenoid valve according to claim 1, wherein: the magnetic conduction assembly comprises a first magnetic conduction assembly and a second magnetic conduction assembly which are respectively arranged on the two opposite side surfaces of the C-shaped opening of the electromagnet, and the first magnetic conduction assembly and the second magnetic conduction assembly are respectively arranged on the two opposite side surfaces of the C-shaped opening of the electromagnet and are connected through a magnetic conduction connecting piece arranged in the electromagnet; one end of the armature is hinged to the first magnetic conduction assembly through a connecting piece, and the electromagnetic control structure is installed in the installation cavity by taking one side where the second magnetic conduction assembly is located as a bottom.
3. A solenoid valve according to claim 1, wherein: the main valve core and the connecting rod are integrally formed injection molding pieces.
4. A solenoid valve according to claim 1, wherein: the inner cavity structure of the installation cavity is matched with the shape of the outer surface of the connecting rod.
5. A solenoid valve according to claim 1, wherein: the structure of the sealing head on the main valve core and the reset valve core comprises: the sealing valve is in a conical, semicircular, cone frustum-shaped or convex cone frustum structure, and the outer wall of the bottom end face of the sealing head is matched with the inner surface cambered surfaces of inlets on two sides of the inner cavity of the valve sleeve.
6. A solenoid valve according to claim 1, wherein: the reset pushing structure comprises a reset spring, the reset spring is arranged in a spring mounting seat, and the reset spring is pressed on the main valve core in a propping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023237279.5U CN214425232U (en) | 2020-12-29 | 2020-12-29 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023237279.5U CN214425232U (en) | 2020-12-29 | 2020-12-29 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214425232U true CN214425232U (en) | 2021-10-19 |
Family
ID=78053906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023237279.5U Active CN214425232U (en) | 2020-12-29 | 2020-12-29 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214425232U (en) |
-
2020
- 2020-12-29 CN CN202023237279.5U patent/CN214425232U/en active Active
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