CN216158430U - Electromagnetic valve with non-return function, water purifier and household appliance - Google Patents
Electromagnetic valve with non-return function, water purifier and household appliance Download PDFInfo
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- CN216158430U CN216158430U CN202122264210.XU CN202122264210U CN216158430U CN 216158430 U CN216158430 U CN 216158430U CN 202122264210 U CN202122264210 U CN 202122264210U CN 216158430 U CN216158430 U CN 216158430U
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Abstract
The utility model discloses an electromagnetic valve with a non-return function, a water purifier and a household appliance, wherein the electromagnetic valve comprises: the valve comprises a valve body, a valve seat and a check piece; the valve body is fixedly connected with the valve seat; the valve seat is provided with a water inlet and a water outlet on the same side surface; the check piece is arranged on the water inlet and/or the water outlet; the backstop includes: the valve comprises a valve core, a sealing ring, a fixing seat and a spring, wherein the sealing ring is arranged on the valve core, the fixing seat is arranged below the valve core and is connected with a valve seat to fix the valve core, and the spring is arranged around the valve core and the fixing seat. The utility model solves the problem of liquid backflow phenomenon when using the electromagnetic valve in the prior art by arranging the check part at the water inlet and/or the water outlet; the water inlet and the water outlet are positioned on the same side surface, so that the electromagnetic valve is simple in structure and wide in application range.
Description
Technical Field
The utility model belongs to the technical field of household appliances, and particularly relates to an electromagnetic valve with a non-return function, a water purifier and a household appliance.
Background
The electromagnetic valve is industrial equipment controlled by electromagnetism and is an automatic basic component for controlling fluid; different solenoid valves are used at different locations in the control system, the most common being check valves, safety valves, directional control valves, speed control valves, etc. According to the principle, the electromagnetic valve can be divided into three categories of direct-acting electromagnetic valves, step-by-step direct-acting electromagnetic valves and pilot-operated electromagnetic valves.
Solenoid valves are an indispensable actuator in automated control systems, and are currently used in fluid processing equipment to adjust the direction, flow rate, speed and other parameters of a medium. However, the water inlet/outlet of the existing pilot-operated solenoid valve is not provided with a related non-return structure, and when the solenoid valve is in a closed state, liquid can flow back; and part of the electromagnetic valves have complex structures and limited application range.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defects, the utility model provides the electromagnetic valve with the non-return function, so as to solve the problem that liquid backflow occurs when the electromagnetic valve is used in the prior art.
In order to solve the problems, the utility model adopts the following technical scheme:
a solenoid valve with a check function, comprising: the valve comprises a valve body, a valve seat and a check piece; the valve body is fixedly connected with the valve seat; the valve seat is provided with a water inlet and a water outlet on the same side surface; the check piece is arranged on the water inlet and/or the water outlet; a liquid inlet cavity is arranged in the water inlet, a liquid outlet cavity is arranged in the water outlet, and the valve body is communicated with the liquid inlet cavity and the liquid outlet cavity or is disconnected from the liquid inlet cavity and the liquid outlet cavity under the control of a controller;
the backstop includes: the valve comprises a valve core, a sealing ring, a fixing seat and a spring, wherein the sealing ring is arranged on the valve core, the fixing seat is arranged below the valve core and is connected with a valve seat to fix the valve core, and the spring is arranged around the valve core and the fixing seat.
Furthermore, the valve core, the fixed seat and the central line of the spring are superposed.
Further, the method also comprises the following steps: the diaphragm is arranged on the end faces of the liquid inlet cavity and the liquid outlet cavity and seals the liquid outlet cavity.
Furthermore, the central line of the diaphragm is superposed with the central lines of the liquid inlet cavity and the liquid outlet cavity.
Further, the fixed seat and the valve seat are welded through ultrasonic welding.
Further, the valve body and the valve seat are fixedly connected through screws.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an electromagnetic valve with a non-return function, which prevents the water inlet and/or the water outlet from having a counter flow phenomenon by arranging a non-return part on the water inlet and/or the water outlet; in addition, the water inlet and the water outlet are positioned on the same side surface, so that the electromagnetic valve is simple in structure and wide in application range.
The utility model also discloses a water purifier which comprises the electromagnetic valve.
The utility model also discloses a household appliance comprising the electromagnetic valve.
Drawings
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic structural diagram of a solenoid valve with a check function according to embodiment 1;
FIG. 2 is an external view of the valve seat according to embodiment 1;
FIG. 3 is an external view of a solenoid valve having a check function according to embodiment 1;
fig. 4 is an enlarged view of the check member described in embodiment 1.
Description of the labeling:
1. a valve body;
2. a valve seat; 21. a water inlet; 211. a liquid inlet cavity; 22. a water outlet; 221. a liquid outlet cavity;
3. a backstop; 31. a valve core; 32. a seal ring; 33. a fixed seat; 34. a spring;
4. a membrane.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1, the present invention discloses a solenoid valve with a check function, comprising: the valve comprises a valve body 1, a valve seat 2 and a check piece 3; the valve body 1 is fixedly connected with the valve seat 2; the valve seat 2 is provided with a water inlet 21 and a water outlet 22 on the same side surface; the check piece 3 is independently arranged on the water inlet 21, or independently arranged on the water outlet 22, or simultaneously arranged on the water inlet 21 and the water outlet 22; a liquid inlet cavity 211 is arranged in the water inlet 21, a liquid outlet cavity 221 is arranged in the water outlet 22, and the valve body 1 is communicated with the liquid inlet cavity 211 and the liquid outlet cavity 221 under the control of the controller, or the communication between the liquid inlet cavity 211 and the liquid outlet cavity 221 is cut off; the check member 3 includes: the valve comprises a valve core 31, a sealing ring 32, a fixed seat 33 and a spring 34, wherein the sealing ring 32 is arranged on the valve core 31, the fixed seat 33 is arranged below the valve core 31 and connected with a valve seat 2 to fix the valve core 31, and the spring 34 is arranged around the valve core 31 and the fixed seat 33.
The bottom of the fixed seat 33 is provided with a plurality of open holes, namely the fixed seat 33 is hollow, the diameter of the position of the water outlet 22 close to the liquid outlet cavity 221 is slightly smaller than the diameter of the tail end of the water outlet 22, the diameter of the position of the water outlet 22 close to the liquid outlet cavity 221 is equal to the diameter of the valve core 31, when the water outlet device is in a normal state, the valve core 31 is positioned at the position with a smaller diameter of the water outlet 22, when the water outlet device is in a water outlet state, the valve core 31 is pressed downwards due to the weight effect of water, at the moment, the valve core 31 moves to the position with the larger diameter of the water outlet 22, the valve core 31 is in clearance fit with the water outlet 22, and water can flow out from a gap beside the water outlet device; when water enters the water dispenser, the valve core 31 moves towards the position with the smaller diameter of the water outlet 22 under the pushing of water and is matched with the sealing ring 32, so that the valve core 31 and the water outlet 22 are in a transition fit state, the water outlet 22 is sealed, and the backflow of water is avoided.
Specifically, the center lines of the valve core 31, the fixed seat 33 and the spring 34 are overlapped and are positioned on the same straight line.
In the above embodiment, the valve body 1 is internally provided with the magnetic iron core and the coil, and the coil is fixed in the valve body and annularly arranged outside the magnetic valve core, and is used for driving the magnetic valve core to slide after being electrified, so as to open and close the electromagnetic valve.
Specifically, still include: the diaphragm 4 is arranged on the end surfaces of the liquid inlet cavity 211 and the liquid outlet cavity 221, and the liquid outlet cavity 221 is sealed; the valve body 1 controls the opening or closing of the diaphragm 4 through the magnetic iron core and the coil, when the diaphragm 4 is opened, the liquid inlet cavity 211 is communicated with the liquid outlet cavity 221, and when the diaphragm 4 is closed, the liquid inlet cavity 211 is disconnected from the liquid outlet cavity 221.
Specifically, the center line of the diaphragm 4 coincides with the center lines of the magnetic iron core, the liquid inlet cavity 211 and the liquid outlet cavity 221, and is located on the same straight line.
Specifically, the fixed seat 33 and the valve seat 2 are ultrasonically welded.
In the above embodiment, the valve body 1 and the valve seat 2 are fixedly connected by screws.
Example 2
The embodiment discloses a water purifier, which includes the electromagnetic valve in embodiment 1, and please refer to embodiment 1 for the specific usage of the electromagnetic valve, which is not described herein again.
Example 3
The embodiment discloses a household appliance, which includes the electromagnetic valve in embodiment 1, and please refer to embodiment 1 for the specific usage of the electromagnetic valve, which is not described herein again.
The above embodiments are only preferred embodiments of the present invention, and the present invention is not limited to the above embodiments, and those skilled in the art can make variations and modifications to the above embodiments, but some modifications, variations, equivalents and the like of the present invention should also fall within the scope of the claims of the present invention.
Claims (8)
1. A solenoid valve with a check function, comprising: the valve comprises a valve body, a valve seat and a check piece; the valve body is fixedly connected with the valve seat; the valve seat is provided with a water inlet and a water outlet on the same side surface; the check piece is arranged on the water inlet and/or the water outlet; a liquid inlet cavity is arranged in the water inlet, a liquid outlet cavity is arranged in the water outlet, and the valve body is communicated with the liquid inlet cavity and the liquid outlet cavity or is disconnected from the liquid inlet cavity and the liquid outlet cavity under the control of a controller;
the backstop includes: the valve comprises a valve core, a sealing ring, a fixing seat and a spring, wherein the sealing ring is arranged on the valve core, the fixing seat is arranged below the valve core and is connected with a valve seat to fix the valve core, and the spring is arranged around the valve core and the fixing seat.
2. The solenoid valve with a check function according to claim 1, wherein the spool, the holder, and a center line of the spring coincide.
3. The electromagnetic valve with the non-return function according to claim 1, further comprising a membrane, wherein the membrane is disposed on the end surfaces of the liquid inlet cavity and the liquid outlet cavity to seal the liquid outlet cavity.
4. The electromagnetic valve with the non-return function according to claim 3, wherein the center line of the diaphragm coincides with the center lines of the liquid inlet cavity and the liquid outlet cavity.
5. The solenoid valve with non-return function according to claim 2, characterized in that the fixing seat and the valve seat are welded by ultrasonic welding.
6. The solenoid valve with non-return function according to claim 1, wherein the valve body and the valve seat are fixedly connected by a screw.
7. A water purifier characterized by comprising the electromagnetic valve according to any one of claims 1 to 6.
8. A household appliance, characterized in that it comprises a solenoid valve according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264210.XU CN216158430U (en) | 2021-09-17 | 2021-09-17 | Electromagnetic valve with non-return function, water purifier and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264210.XU CN216158430U (en) | 2021-09-17 | 2021-09-17 | Electromagnetic valve with non-return function, water purifier and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158430U true CN216158430U (en) | 2022-04-01 |
Family
ID=80851811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264210.XU Active CN216158430U (en) | 2021-09-17 | 2021-09-17 | Electromagnetic valve with non-return function, water purifier and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158430U (en) |
-
2021
- 2021-09-17 CN CN202122264210.XU patent/CN216158430U/en active Active
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