CN209856403U - Pilot-operated type solenoid valve - Google Patents
Pilot-operated type solenoid valve Download PDFInfo
- Publication number
- CN209856403U CN209856403U CN201920657942.5U CN201920657942U CN209856403U CN 209856403 U CN209856403 U CN 209856403U CN 201920657942 U CN201920657942 U CN 201920657942U CN 209856403 U CN209856403 U CN 209856403U
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- Prior art keywords
- iron core
- guide
- groove
- guide head
- base
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004677 Nylon Substances 0.000 claims abstract description 6
- 229920001778 nylon Polymers 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 34
- 230000005389 magnetism Effects 0.000 claims description 22
- 230000003068 static effect Effects 0.000 claims description 16
- 239000000565 sealant Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 241000463219 Epitheca Species 0.000 abstract 3
- 238000004378 air conditioning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a pilot-operated type solenoid valve, including base, epitheca, electro-magnet shell, guide head, coil, quiet iron core, magnetism-isolating pipe, movable iron core, round cap nut, the epitheca be fixed in base upper portion through bolt A, epitheca upper portion set up the electro-magnet shell; a guide groove is arranged in the base, a guide head is arranged in the guide groove, the upper part of the guide head is connected with a spring A, two concave grooves are arranged above and below the guide head, an upper cavity and a lower cavity are formed between the two concave grooves and the guide groove, a nylon strip is arranged in the upper cavity, and the lower cavity is communicated with the guide groove space on the upper part of the guide head through a pilot hole; the upper part of the upper shell is provided with a groove, the groove is connected with the guide groove through a communicating hole, the bottom of the groove is provided with an air vent, and the air vent is communicated with an exhaust hole through an air channel arranged in the upper shell and the base; generally, the utility model discloses security and reliability in the high-pressure pipeline uses can obtain the guarantee.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to a guide's type solenoid valve.
Background
Electromagnetic valves are often used in systems related to temperature control and regulation, such as heating ventilation air conditioning, refrigeration and the like, and the main principle is that the electromagnetic force generated after a coil is electrified is utilized to control the up-and-down movement of a core iron, so that the electromagnetic valves are opened or closed in an air conditioning system, and the on-off of media in a pipeline system is controlled. With the increasing of the area of the individual housing and the increasing of buildings such as large shopping malls, the demand of the large-capacity air conditioning unit is also increasing, and in such a large-capacity air conditioning unit, the requirement for the electromagnetic valve is also higher and higher, and the air pressure is higher and higher. The common direct-acting electromagnetic valve cannot meet the working environment due to the limitation of the valve caliber, when the air pressure applied to the electromagnetic valve is too large, the common direct-acting electromagnetic valve is easy to leak, the valve control work of a high-pressure pipeline cannot be met, and the safety and the reliability of the high-pressure pipeline in use cannot be guaranteed. Therefore, to further improve safety and reliability in high-pressure pipes, it is necessary to provide a pilot-operated solenoid valve.
Disclosure of Invention
An object of the utility model is to provide a guide's type solenoid valve, this guide's type solenoid valve can solve the technical problem that security and reliability in the high-pressure pipeline in the conventional art used can not obtain the guarantee, have high use value.
The purpose of the utility model is realized like this: a pilot-operated electromagnetic valve comprises a base, an upper shell, an electromagnet shell, a guide head, a coil, a static iron core, a magnetism isolating pipe, a movable iron core and a round cap nut, wherein the upper shell is fixed on the upper part of the base through a bolt A, and the electromagnet shell is arranged on the upper part of the upper shell;
an air inlet hole is formed in one side of the base, an air exhaust hole is formed in the other side of the base, a guide groove is formed in the base, the air inlet hole and the air exhaust hole are respectively communicated with the guide groove, a guide head is installed in the guide groove, the upper portion of the guide head is connected with a spring A, the upper portion of the spring A is fixed to the bottom of the upper shell, a sealing column is arranged on the lower portion of the guide head, the sealing column is fixedly installed on the guide head through a fixing bolt, and the fixing bolt is fixed inside the guide head through a; two concave grooves are arranged above and below the guide head, an upper cavity and a lower cavity are formed between the two concave grooves and the guide groove, a nylon strip is arranged in the upper cavity, and the lower cavity is communicated with the guide groove space at the upper part of the guide head through a guide hole;
a coil is arranged in the electromagnet shell, a static iron core and a magnetism isolating pipe are arranged in the coil, the top of the static iron core is connected with a round cap nut, the magnetism isolating pipe is fixedly arranged at the lower part of the static iron core, a movable iron core is arranged in the magnetism isolating pipe, a spring B is arranged in the hollow part of the movable iron core, a movable pin is arranged at the upper part of the spring B, and a sealing gasket is arranged at the bottom of the movable iron core;
the upper shell is provided with a groove, the lower end of the magnetism isolating pipe is arranged in the groove of the upper shell, the groove is connected with the guide groove through a communicating hole, the bottom of the groove is provided with an air vent, the air vent is arranged at the position under the sealing gasket, and the air vent is communicated with the exhaust hole through an air channel arranged in the upper shell and the base.
Furthermore, a sealing washer is arranged at the contact part between the upper shell and the base, a sealing washer is arranged between the magnetism isolating pipe and the contact part of the upper shell, and a sealing washer is arranged at the connection part of the gas channel of the upper shell and the gas channel of the base.
Furthermore, the air inlet hole and the air outlet hole are respectively communicated with the guide groove space at the lower part of the guide head.
Further, the pilot hole is arranged inside the guide head.
Furthermore, the static iron core and the magnetism isolating pipe are bonded together through a sealant.
Further, the end of the movable iron core is a conical head.
Furthermore, the sealing gasket is embedded in the end of the movable iron core.
Further, the bolt A is an M6 bolt, and the bolt B is an M4 bolt.
Furthermore, the position of the air release hole is of a convex structure, and the height of the convex structure is 2 ~ 4 mm.
The utility model discloses the beneficial effect who produces is:
1. the spring A and the spring B are both in a compressed state under the condition that the electromagnetic valve is not conducted, and the sealing column is tightly attached to the lower part of the guide groove under the pressure action of the spring A, so that the sealing effect is achieved; under the pressure action of the spring B, the sealing block plugs the air release hole, and the valve is further prevented from being conducted.
2. The utility model is provided with a pilot hole on the guide head, the lower cavity is communicated with the upper space of the guide groove through the pilot hole, the upper space of the guide groove is communicated with the groove of the upper shell through a communication hole, and the air vent at the bottom of the groove is communicated with the exhaust hole through a gas channel; the coil is electrified, the movable iron core moves upwards to enable the sealing gasket to leave the air vent, when gas enters the guide groove from the air inlet hole, the gas in the lower cavity can be extruded into the lower cavity, the gas in the lower cavity enters the upper space of the guide groove through the pilot hole, enters the groove through the communication hole and then enters the air vent from the air vent, so that the air pressure in the upper space of the guide groove is reduced, the guide head moves upwards under the action of the pressure difference between the upper part and the lower part of the guide groove, the air inlet hole and the air vent of the electromagnetic valve are communicated, the pilot type electromagnetic valve is opened, and the high-.
3. The utility model discloses the effectual leakproofness that improves guide's type solenoid valve of seal ring that sets up prevents that the guide's valve from leaking.
4. The utility model discloses a bond together through sealed glue between quiet iron core and the magnetism isolating pipe, prevent to take place gas leakage phenomenon between quiet iron core and the magnetism isolating pipe, further improve the leakproofness of solenoid valve.
5. The utility model discloses the nylon strip that sets up in last cavity plays the sealed effect to leading on the one hand, and on the other hand plays the effect of direction.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the structure of the utility model along the axial direction of the air inlet and the air outlet.
Fig. 3 is a schematic diagram of the structure of the vertical section perpendicular to the axial direction of the air inlet and the air outlet of the present invention.
In the figure: 1. the magnetic separation device comprises a base 2, an upper shell 3, an electromagnet shell 4, a guide head 5, a coil 6, a static iron core 7, a magnetic separation tube 8, a movable iron core 9, a round cap nut 10, a bolt A11, an air inlet 12, an exhaust hole 13, a guide groove 14, a spring A15, a sealing column 16, a fixing bolt 17, a bolt B18, an upper cavity 19, a lower cavity 20, a nylon strip 21, a pilot hole 22, a spring B23, a movable pin 24, a sealing gasket 25, a groove 26, an air release hole 27, an air channel 28, a sealing gasket 29 and a communicating hole.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a pilot-operated solenoid valve comprises a base 1, an upper shell 2, an electromagnet housing 3, a guide head 4, a coil 5, a static iron core 6, a magnetism isolating tube 7, a movable iron core 8 and a round cap nut 9, wherein the upper shell 2 is fixed on the upper part of the base 1 through a bolt a10, and the electromagnet housing 3 is arranged on the upper part of the upper shell 2;
an air inlet 11 is arranged on one side of the base 1, an air outlet 12 is arranged on the other side of the base 1, a guide groove 13 is arranged in the base 1, the air inlet 11 and the air outlet 12 are respectively communicated with the guide groove 13, a guide head 4 is arranged in the guide groove 13, the upper part of the guide head 4 is connected with a spring A14, the upper part of the spring A14 is fixed at the bottom of the upper shell 2, a sealing column 15 is arranged at the lower part of the guide head 4, the sealing column 15 is fixedly arranged on the guide head 4 through a fixing bolt 16, and the fixing bolt 16 is fixed in the guide head 4 through a bolt B17; two concave grooves are arranged on the upper part and the lower part of the guide head 4, an upper cavity 18 and a lower cavity 19 are formed between the two concave grooves and the guide groove 13, a nylon strip 20 is arranged in the upper cavity 18, and the lower cavity 19 is communicated with the guide groove 13 on the upper part of the guide head 4 through a pilot hole 21;
a coil 5 is arranged in the electromagnet shell 3, a static iron core 6 and a magnetism isolating pipe 7 are arranged in the coil 5, the top of the static iron core 6 is connected with a round cap nut 9, the magnetism isolating pipe 7 is fixedly arranged at the lower part of the static iron core 6, a movable iron core 8 is arranged in the magnetism isolating pipe 7, a spring B22 is arranged in the hollow part of the movable iron core 8, a movable pin 23 is arranged at the upper part of the spring B22, and a sealing gasket 24 is arranged at the bottom of the movable iron core 8;
the upper portion of the upper shell 2 is provided with a groove 25, the lower end portion of the magnetism isolating pipe 7 is installed in the groove 25 of the upper shell 2, the groove 25 is connected with the guide groove 13 through a communication hole 29, the bottom of the groove 25 is provided with an air release hole 26, the air release hole 26 is arranged at a position right below the sealing gasket 24, and the air release hole 26 is communicated with the exhaust hole 12 through an air channel 27 arranged inside the upper shell 2 and the base 1.
Furthermore, a sealing gasket 28 is arranged at the contact part between the upper shell 2 and the base 1, a sealing gasket 28 is arranged between the contact part between the magnetism isolating pipe 7 and the upper shell 2, and a sealing gasket 28 is arranged at the connection part between the gas channel 27 of the upper shell 2 and the gas channel 27 of the base 1.
Further, the air inlet 11 and the air outlet 12 are respectively in spatial communication with a guide groove 13 at the lower part of the guide head 4.
Further, the pilot hole 21 is provided inside the guide head 4.
Further, the static iron core 6 and the magnetism isolating pipe 7 are bonded together through a sealant.
Further, the end of the movable iron core 8 is a conical head.
Further, the sealing gasket 24 is embedded in the end of the plunger 8.
Further, the bolt a10 is an M6 bolt, and the bolt B17 is an M4 bolt.
Furthermore, the position of the air release hole 26 is a convex structure, and the height of the convex structure is 2.5 mm.
The utility model discloses when using: when the pilot-operated type electromagnetic valve is closed, the spring A and the spring B are both in a compressed state, and the sealing column on the guide head is tightly attached to the lower part of the guide groove under the pressure action of the spring A, so that the conduction between the air inlet hole and the exhaust hole is prevented; under the pressure action of the spring B, the sealing block plugs the air vent to prevent the air in the guide groove from passing through the air vent, so that the pressure of the upper space of the guide groove is ensured, and the air at the air inlet is prevented from jacking the guide head.
When the pilot-operated type electromagnetic valve needs to be conducted, the coil is electrified, the movable iron core moves upwards to enable the sealing gasket to leave the air vent, when gas enters the guide groove from the air inlet hole, the gas can be extruded into the lower cavity, the gas in the lower cavity enters the upper space of the guide groove through the pilot hole, enters the groove through the communication hole and then enters the air vent from the air vent, so that the air pressure in the upper space of the guide groove is reduced, the high-pressure gas is arranged at the air inlet, and the guide head moves upwards under the action of the pressure difference between the upper part and the lower part of the guide groove to enable the air inlet hole and the air vent of the electromagnetic valve to.
Generally, the utility model discloses have easy and simple to handle, the leakproofness is good, security and reliability in the high-pressure pipeline uses can be ensured.
Claims (9)
1. The pilot-operated electromagnetic valve comprises a base, an upper shell, an electromagnet shell, a guide head, a coil, a static iron core, a magnetism isolating pipe, a movable iron core and a round cap nut, wherein the upper shell is fixed on the upper portion of the base through a bolt A, and the electromagnet shell is arranged on the upper portion of the upper shell, and is characterized in that:
an air inlet hole is formed in one side of the base, an air exhaust hole is formed in the other side of the base, a guide groove is formed in the base, the air inlet hole and the air exhaust hole are respectively communicated with the guide groove, a guide head is installed in the guide groove, the upper portion of the guide head is connected with a spring A, the upper portion of the spring A is fixed to the bottom of the upper shell, a sealing column is arranged on the lower portion of the guide head, the sealing column is fixedly installed on the guide head through a fixing bolt, and the fixing bolt is fixed inside the guide head through a; two concave grooves are arranged above and below the guide head, an upper cavity and a lower cavity are formed between the two concave grooves and the guide groove, a nylon strip is arranged in the upper cavity, and the lower cavity is communicated with the guide groove space at the upper part of the guide head through a guide hole;
a coil is arranged in the electromagnet shell, a static iron core and a magnetism isolating pipe are arranged in the coil, the top of the static iron core is connected with a round cap nut, the magnetism isolating pipe is fixedly arranged at the lower part of the static iron core, a movable iron core is arranged in the magnetism isolating pipe, a spring B is arranged in the hollow part of the movable iron core, a movable pin is arranged at the upper part of the spring B, and a sealing gasket is arranged at the bottom of the movable iron core;
the upper shell is provided with a groove, the lower end of the magnetism isolating pipe is arranged in the groove of the upper shell, the groove is connected with the guide groove through a communicating hole, the bottom of the groove is provided with an air vent, the air vent is arranged at the position under the sealing gasket, and the air vent is communicated with the exhaust hole through an air channel arranged in the upper shell and the base.
2. A pilot type solenoid valve according to claim 1, wherein: the contact position between the upper shell and the base is provided with a sealing gasket, the sealing gasket is arranged between the magnetic isolation pipe and the contact position of the upper shell, and the joint position of the gas channel of the upper shell and the gas channel of the base is provided with the sealing gasket.
3. A pilot type solenoid valve according to claim 1, wherein: the air inlet and the air outlet are respectively communicated with the guide groove space at the lower part of the guide head.
4. A pilot type solenoid valve according to claim 1, wherein: the pilot hole is arranged in the guide head.
5. A pilot type solenoid valve according to claim 1, wherein: the static iron core and the magnetism isolating pipe are bonded together through sealant.
6. A pilot type solenoid valve according to claim 1, wherein: the end of the movable iron core is a conical head.
7. A pilot type solenoid valve according to claim 1, wherein: the sealing gasket is embedded in the end of the movable iron core.
8. A pilot type solenoid valve according to claim 1, wherein: the bolt A is an M6 bolt, and the bolt B is an M4 bolt.
9. The pilot type solenoid valve according to claim 1, wherein the position of said air release hole is formed in a convex structure, and the height of the convex structure is set to 2 ~ 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657942.5U CN209856403U (en) | 2019-05-09 | 2019-05-09 | Pilot-operated type solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657942.5U CN209856403U (en) | 2019-05-09 | 2019-05-09 | Pilot-operated type solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856403U true CN209856403U (en) | 2019-12-27 |
Family
ID=68940713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920657942.5U Active CN209856403U (en) | 2019-05-09 | 2019-05-09 | Pilot-operated type solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043675A (en) * | 2019-05-09 | 2019-07-23 | 河南护航实业股份有限公司 | A kind of pilot-type solenoid valve |
| CN113431674A (en) * | 2021-07-08 | 2021-09-24 | 哈尔滨工程大学 | Air storage intercooler of cylinder-separating free piston generator |
-
2019
- 2019-05-09 CN CN201920657942.5U patent/CN209856403U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043675A (en) * | 2019-05-09 | 2019-07-23 | 河南护航实业股份有限公司 | A kind of pilot-type solenoid valve |
| CN113431674A (en) * | 2021-07-08 | 2021-09-24 | 哈尔滨工程大学 | Air storage intercooler of cylinder-separating free piston generator |
| CN113431674B (en) * | 2021-07-08 | 2022-04-12 | 哈尔滨工程大学 | Air storage intercooler of cylinder-separating free piston generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231203 Address after: 310000, Room 305, Building 1, No. 868 Shenglian Road, Qingshanhu Street, Lin'an District, Hangzhou City, Zhejiang Province (self declared) Patentee after: Zhejiang Zhonghe Escort Technology Co.,Ltd. Address before: 450000 Incubation Building 1309-1317, No. 1, Incubation Park, Henan National University Science Park, No. 11 Changchun Road, Zhengzhou High-tech Zone, Henan Province Patentee before: HENAN ESCORT INDUSTRIAL Co.,Ltd. |