CN210600376U - Spring sealed type water drainage electromagnetic valve - Google Patents
Spring sealed type water drainage electromagnetic valve Download PDFInfo
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- CN210600376U CN210600376U CN201920991350.7U CN201920991350U CN210600376U CN 210600376 U CN210600376 U CN 210600376U CN 201920991350 U CN201920991350 U CN 201920991350U CN 210600376 U CN210600376 U CN 210600376U
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Abstract
The utility model relates to a spring seal formula drainage solenoid valve belongs to the fuel cell field. The electromagnetic valve comprises a valve core, an electromagnetic driving coil and a valve rod, wherein the electromagnetic driving coil is arranged outside the valve core; a spring cavity is arranged outside the valve rod, the spring cavity surrounds the valve rod, one end of the spring cavity is fixedly connected with the valve core, and the valve rod extends out of the other end of the spring cavity for a certain distance; a spring is arranged in the spring cavity, and the compression elasticity of the spring drives the valve rod to press the water outlet when the valve rod does not work; a valve sleeve is arranged outside the valve core, an O-shaped ring is arranged on the inner side of the valve sleeve and is in contact with a valve rod extending out of the spring cavity part to form dynamic sealing. The utility model discloses spring seal formula drainage solenoid valve simple structure, reasonable in design, reliable durable.
Description
Technical Field
The utility model relates to a fuel cell field especially relates to a spring seal formula drainage solenoid valve.
Background
The electromagnetic valve is a common mechanical device for controlling the flow direction, flow speed or other parameters of fluid, and the fluid control is realized by controlling the current magnitude or on-off of the electromagnetic valve control coil through electric energy, and is used in an industrial control system to adjust the direction, flow rate, speed and other parameters of media. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. The internal valve core of the electromagnetic valve is divided into a fixed iron core and a movable iron core, the fixed iron core and the movable iron core are matched with each other, and the movable iron core moves up and down under the action of the electromagnet and the spring to control the on-off of fluid.
The valve core of the traditional electromagnetic valve is directly blocked at the water outlet of the fuel cell system, and a spring is arranged in the valve rod; because the pH value of water discharged by the fuel cell is less than 7, the surface of the spring in the valve rod can be corroded after the spring is contacted with the water for a long time, and the spring is easy to fatigue and break after working for a period of time.
Disclosure of Invention
In view of this, the utility model provides a simple structure, reasonable in design, reliable durable spring sealed drainage solenoid valve.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a spring sealed drainage electromagnetic valve, which comprises a valve core and an electromagnetic driving coil arranged outside the valve core; the water outlet is pressed by the other end of the valve rod when the valve rod does not work; a spring cavity is arranged outside the valve rod, the spring cavity surrounds the valve rod, one end of the spring cavity is fixedly connected with the valve core, and the valve rod extends out of the other end of the spring cavity for a certain distance; a spring is arranged in the spring cavity, one end of the spring is connected with the valve core, the other end of the spring is connected with the valve rod, and the compression elasticity of the spring drives the valve rod to press the water outlet when the valve rod does not work; a valve sleeve is arranged outside the valve core, an O-shaped ring is arranged on the inner side of the valve sleeve facing the valve rod, and the O-shaped ring is contacted with the valve rod extending out of the spring cavity part to form dynamic seal; when the water-saving valve works, the coil is electrified, the valve rod overcomes the elastic force of the spring under the action of electromagnetic force and is lifted, water is discharged from the water outlet, and the discharged water cannot enter the spring cavity.
When the spring sealed type drainage electromagnetic valve is powered off, the valve rod presses the water outlet by the elastic force generated by the spring; when the water pump is electrified, the electromagnetic force generated by the coil overcomes the elastic force of the spring and pulls the valve rod to move, so that the valve rod is far away from the water outlet, and water is in a flowing state; in the power-off and power-on processes, the O-shaped ring is always in close contact with the valve rod to seal the spring cavity.
Furthermore, the number of the O-shaped rings is 1-2.
Compared with the prior art, the utility model discloses a beneficial effect that technical scheme has as follows: the spring sealing type drainage electromagnetic valve of the utility model adopts the O-shaped ring for sealing at the valve rod, thereby cutting off the contact path between water and the spring and improving the reliability of the electromagnetic valve; the device has simple structure, reasonable design, reliability and durability.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
Fig. 1 is a sectional view showing the overall structure of a spring-sealed drain solenoid valve according to an embodiment of the present invention.
Reference numerals:
1-a valve core; 2-a coil; 3-a valve stem; 4-a spring cavity; 5-a spring; 6-valve sleeve; 7-O-shaped ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.
Referring to fig. 1, an embodiment of the present invention provides a spring-sealed drain solenoid valve, which includes a valve core 1 and an electromagnetic driving coil 2 installed outside the valve core 1.
The spring sealed type water drainage electromagnetic valve also comprises a valve rod 3, one end of the valve rod 3 is movably connected to the valve core 1, the valve rod 3 moves up and down in the valve core 1 under the driving of electromagnetic force generated by electrifying the coil 2, and the other end of the valve rod 3 presses a water outlet when the valve rod is not in work.
A spring cavity 4 is arranged outside the valve rod 3, the spring cavity 4 surrounds the valve rod 3, one end of the spring cavity 4 is fixedly connected with the valve core 1, and the valve rod 3 extends out of the other end of the spring cavity 4 for a certain distance; a spring 5 is arranged in the spring cavity 4, one end of the spring 5 is connected with the valve core 1, the other end of the spring 5 is connected with the valve rod 3, and the compression elasticity of the spring 5 drives the valve rod 3 to press the water outlet when the valve is not in work.
A valve sleeve 6 is further arranged outside the valve core 1, an O-shaped ring 7 is arranged on the inner side of the valve sleeve 6 facing the valve rod 3, and the O-shaped ring 7 is in contact with the valve rod 3 extending out of the spring cavity 4 to form dynamic seal; when the water-saving valve works, the coil 2 is electrified, the valve rod 3 is lifted by overcoming the elastic force of the spring under the action of electromagnetic force, water is discharged from the water outlet, and the discharged water cannot enter the spring cavity 4.
The working principle is as follows:
a power-off closed state: the coil 2 is powered off, and the valve rod 3 seals the water outlet under the action of the spring 5, so that the accumulation of condensed water is realized.
The charged on state: coil 2 gets electricity and produces the electromagnetic force, overcomes the reaction force of spring 5, and valve rod 3 removes, and the comdenstion water is discharged from the outlet, realizes the emission of comdenstion water, and water can not enter into spring chamber 4 simultaneously, has avoided the corruption to spring 5, has improved the life of spring 5, solenoid valve.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A spring sealed type water draining electromagnetic valve comprises a valve core and an electromagnetic driving coil arranged outside the valve core, and is characterized by further comprising a valve rod, wherein one end of the valve rod is movably connected to the valve core, the valve rod moves up and down in the valve core under the driving of electromagnetic force, and the other end of the valve rod presses a water draining port when the valve rod does not work; a spring cavity is arranged outside the valve rod, the spring cavity surrounds the valve rod, one end of the spring cavity is fixedly connected with the valve core, and the valve rod extends out of the other end of the spring cavity for a certain distance; a spring is arranged in the spring cavity, one end of the spring is connected with the valve core, the other end of the spring is connected with the valve rod, and the compression elasticity of the spring drives the valve rod to press the water outlet when the valve rod does not work; a valve sleeve is arranged outside the valve core, an O-shaped ring is arranged on the inner side of the valve sleeve facing the valve rod, and the O-shaped ring is contacted with the valve rod extending out of the spring cavity part to form dynamic seal; when the water-saving valve works, the coil is electrified, the valve rod overcomes the elastic force of the spring under the action of electromagnetic force and is lifted, water is discharged from the water outlet, and the discharged water cannot enter the spring cavity.
2. The spring-sealed drain solenoid valve according to claim 1, wherein when de-energized, the spring force generated by said spring causes said valve stem to press against the drain opening; when the water pump is electrified, the electromagnetic force generated by the coil overcomes the elastic force of the spring and pulls the valve rod to move, so that the valve rod is far away from the water outlet, and water is in a flowing state; in the power-off and power-on processes, the O-shaped ring is always in close contact with the valve rod to seal the spring cavity.
3. A spring-sealed drain solenoid valve according to any one of claims 1-2, wherein said O-rings are 1-2 in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991350.7U CN210600376U (en) | 2019-06-27 | 2019-06-27 | Spring sealed type water drainage electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991350.7U CN210600376U (en) | 2019-06-27 | 2019-06-27 | Spring sealed type water drainage electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600376U true CN210600376U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991350.7U Active CN210600376U (en) | 2019-06-27 | 2019-06-27 | Spring sealed type water drainage electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230089748A (en) * | 2021-12-14 | 2023-06-21 | 주식회사 현대케피코 | A discharge valve |
-
2019
- 2019-06-27 CN CN201920991350.7U patent/CN210600376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230089748A (en) * | 2021-12-14 | 2023-06-21 | 주식회사 현대케피코 | A discharge valve |
| KR102586732B1 (en) | 2021-12-14 | 2023-10-10 | 주식회사 현대케피코 | A discharge valve |
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