CN211779126U - Movable valve core structure and electromagnetic valve - Google Patents
Movable valve core structure and electromagnetic valve Download PDFInfo
- Publication number
- CN211779126U CN211779126U CN202020368615.0U CN202020368615U CN211779126U CN 211779126 U CN211779126 U CN 211779126U CN 202020368615 U CN202020368615 U CN 202020368615U CN 211779126 U CN211779126 U CN 211779126U
- Authority
- CN
- China
- Prior art keywords
- movable valve
- valve core
- diaphragm
- movable
- central sealing
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a movable valve element structure and an electromagnetic valve, wherein the movable valve element structure comprises a movable valve element body, which moves under the action of electromagnetism to open the electromagnetic valve or moves under the action of elasticity of an elastic component to close the electromagnetic valve; the elastic component is arranged at the tail part of the movable valve core body; the diaphragm structure is flexible material, includes: the valve comprises a central sealing body, a peripheral sealing ring and a diaphragm connected with the central sealing body and the peripheral sealing ring, wherein the central sealing body is installed on the head of the movable valve core body and used for realizing the opening function and the closing function of the valve body, and the peripheral sealing ring is used for sealing the joint of the shell of the movable valve core body and a bent pipe structure. The utility model discloses a head erection joint diaphragm structure at the movable valve element body for inside the solenoid valve case was not flowed through to the coolant liquid among the solenoid valve switching process, improved the life of solenoid valve on the one hand, on the other hand has reduced the loss of pressure of coolant liquid.
Description
Technical Field
The utility model relates to a solenoid valve technical field especially relates to a movable valve element structure and solenoid valve.
Background
The electromagnetic valve is an actuating element controlled by electromagnetism, and in an SCR (selective Catalytic reduction) aftertreatment system, the on-off of cooling liquid is mainly controlled by the cooling liquid electromagnetic valve, so that the heating of a urea box of the SCR aftertreatment system is realized. The existing cooling liquid electromagnetic valve adopts the design that the cooling liquid flows through the movable valve core and the inner part of the sleeve, the inner structure of the valve core is complex, the processing cost is high, and the inner parts of the valve core and the sleeve are in long-term contact with the cooling liquid, so that the valve core and the sleeve are easily blocked or corroded by impurities in the cooling liquid, and the service life of the electromagnetic valve is influenced.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a movable valve core structure, its head erection joint diaphragm structure at the movable valve core body for inside the case was not flowed through to the solenoid valve switching in-process coolant liquid, improved the life of solenoid valve on the one hand, on the other hand has reduced the loss of pressure of coolant liquid.
The technical scheme of the utility model as follows: the utility model provides a movable valve core structure, include:
the movable valve core body moves under the action of electromagnetism to open the electromagnetic valve or moves under the action of the elasticity of the elastic piece to close the electromagnetic valve;
the elastic piece is arranged at the tail part of the movable valve core body;
the diaphragm structure is flexible material, includes: the valve comprises a central sealing body, a peripheral sealing ring and a diaphragm connected with the central sealing body and the peripheral sealing ring, wherein the central sealing body is installed on the head of the movable valve core body and used for realizing the opening function and the closing function of the valve body, and the peripheral sealing ring is used for sealing the joint of the shell of the movable valve core body and a bent pipe structure.
Further, the cross section of the diaphragm is arc-shaped.
Further, the membrane is provided with transverse corrugations.
Further, the center seal body is integrally formed with the diaphragm.
Further, the elastic component is a spring.
Furthermore, the tail part of the movable valve core body is sleeved into one end of the spring, and the other end of the spring is abutted to the fixed valve core; or the tail part of the movable valve core body is provided with an installation cavity, one end of the spring is embedded into the installation cavity, and the other end of the spring is abutted to the fixed valve core through a positioning column.
Furthermore, the central sealing body is buckled on the head part of the movable valve core body.
Further, a clamping table is arranged on the head of the movable valve element body, a clamping groove is formed in the clamping table, a clamping hole matched with the clamping table is formed in the bottom surface of the central sealing body, a clamping protrusion is formed on the side wall of the clamping hole, and when the head of the movable valve element body is sleeved with the central sealing body, the clamping protrusion is clamped in the clamping groove.
The utility model also provides a solenoid valve, include: the valve comprises a pipe bending structure, a shell connected with the pipe bending structure, a fixed valve core arranged in the shell, and a movable valve core arranged in the shell and corresponding to the fixed valve core, wherein the movable valve core is of the above structure.
Furthermore, the elbow structure is provided with a first port, a cavity communicated with the first port and a second port communicated with the cavity, the central sealing body is arranged corresponding to an opening where the second port is connected with the cavity, and the joint of the shell and the elbow structure is provided with the peripheral sealing ring.
According to the above technical scheme, the utility model provides a movable valve core structure, through the head erection joint diaphragm structure of movable valve core body for solenoid valve switching in-process coolant liquid does not flow through inside the case, and directly follows the return bend structure of diaphragm structure top flows and realizes cooling or heating to equipment, has improved the life of solenoid valve on the one hand, and on the other hand has reduced the loss of pressure of coolant liquid, and simple structure, and convenient production, the reduction in production cost of being convenient for. The utility model also provides a solenoid valve is equipped with above the movable valve core structure set up the diaphragm structure between elbow structure and solenoid valve body and come both to keep apart for inside the case was not flowed through to solenoid valve switching in-process coolant liquid, improved the life of solenoid valve on the one hand, on the other hand has reduced the loss of pressure of coolant liquid.
Drawings
Fig. 1 is a schematic cross-sectional view of a movable valve element structure according to a first embodiment of the present invention.
FIG. 2 is a schematic sectional view of the solenoid valve structure of the first embodiment of the present invention with a movable valve core structure
Fig. 3 is a schematic cross-sectional view of a movable valve element structure according to a second embodiment of the present invention.
Fig. 4 is a schematic sectional view of a solenoid valve structure provided with a movable valve element structure according to a second embodiment of the present invention.
Fig. 5 is a schematic perspective view of a movable valve element structure according to a first embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-2 and 5, the present embodiment is a movable valve core structure, including: the electromagnetic valve comprises a movable valve core body 1, an elastic component 2 and a diaphragm structure 3, wherein the movable valve core body 1 moves under the action of electromagnetism to open the electromagnetic valve or moves under the action of the elasticity of the elastic component 2 to close the electromagnetic valve; the elastic component 2 is arranged at the tail part of the movable valve core body 1 and is positioned between the movable valve core body 1 and the fixed valve core 4. The diaphragm structure 3 includes a central sealing body 32, a peripheral sealing ring 33, and a diaphragm 31 connecting the central sealing body 32 and the peripheral sealing ring 33. The central sealing body 32 is mounted on the head of the movable valve core body 1 and used for realizing the opening function and the closing function of the valve body, and the peripheral sealing ring 33 is used for sealing the joint of the shell of the movable valve core body 1 and the elbow structure 6. Specifically, the central sealing body 32, the diaphragm 31 and the peripheral sealing ring 33 are integrally formed and made of flexible materials, more preferably, flexible corrosion-resistant rubber materials, and the central sealing body 32 is sealed with the inner wall of the elbow structure 6 to isolate the cooling liquid outside the electromagnetic valve. As shown in fig. 2, the cross section of the diaphragm 31 is arc-shaped, and preferably, the diaphragm structure 3 is bowl-shaped. The edge of the diaphragm 31 is provided with a circle of peripheral sealing ring 33, the arc-shaped structure of the diaphragm 31 improves the ductility of the diaphragm, when the central sealing body 32 moves downwards together with the movable valve core body 1, the diaphragm is pulled to deform so as to support the movement of the central sealing body 32, and when the central sealing body 32 moves upwards together with the movable valve core body 1, the electromagnetic valve is closed. In a preferred embodiment, the membrane 31 may also be provided with transverse corrugations, further improving the longitudinal stretch properties of the membrane 31.
The central sealing body 32 is fastened to the head of the movable valve element body 1, specifically, a fastening table 11 is disposed on the head of the movable valve element body 1, a fastening groove (not labeled) is disposed on the fastening table 11, a fastening hole (not labeled) matched with the fastening table 11 is disposed on the bottom surface of the central sealing body 32, a fastening protrusion is disposed on a side wall of the fastening hole, and when the central sealing body 32 is sleeved on the head of the movable valve element body 1, the fastening protrusion is fastened in the fastening groove. The diaphragm structure 3 is tightly connected with the movable valve core body 1 through the central sealing body 32, and the central sealing body 32 moves up and down along with the movable valve core body 1 to realize the opening and closing of the electromagnetic valve.
Further, the elastic component 2 includes a spring 21 and a positioning column 22 sleeved at the bottom of the spring 21, an installation cavity 12 is provided in the movable valve core body 1, the spring 21 and the positioning column 22 are accommodated in the installation cavity 12, and the positioning column 22 protrudes out of the bottom surface of the movable valve core body 1 in a natural state of the spring 21. Specifically, the positioning column 22 includes a stem 221 and an end 222 connected to one end of the stem 221, the diameter of the stem 221 is smaller than that of the end 222, the diameter of the end 222 is the same as that of the installation cavity 12, and the spring 21 is sleeved on the stem 221. That is, when the electromagnetic coil is powered on, the fixed valve core generates magnetic force, the movable valve core body 1 is attracted to the fixed valve core 4 by the magnetic force, the movable valve core body 1 extrudes the spring to drive the central sealing body 32 of the diaphragm structure 3 to move downwards, so that the central sealing body 32 is separated from the inlet of the elbow 64 in the elbow structure, and the cooling liquid flows in from the inlet of the elbow 64 and flows to the third port 63 along the elbow 64. When the electromagnetic coil is powered off, the magnetic force disappears, the movable valve core body 1 returns to the original position under the elastic force action of the elastic component 2, and meanwhile, the central sealing body 32 is pressed to the inlet of the bent pipe 64 again, so that the function of closing the electromagnetic valve is realized.
Example 2
As shown in fig. 3-4, the present embodiment is a movable valve core structure, which is different from the structure in embodiment 1 in that the elastic component 2 ' is a spring, a tail portion of the movable valve core body 1 ' is sleeved into one end of the spring, and the other end of the spring is abutted to the fixed valve core 4 '. Specifically, the outer diameter of the lower portion of the movable valve core body 1 ' is smaller than the outer diameter of the upper portion of the movable valve core body 1 ', namely, a step 12 ' is arranged between the upper portion and the lower portion of the movable valve core body 1 ', the lower portion of the movable valve core body 1 ' is sleeved in the spring, one end of the spring abuts against the top of the step 12 ', and the other end of the spring abuts against the fixed valve core 4 '. The elastic member 2' exerts the same technical effects as the elastic member 2 in embodiment 1.
As shown in fig. 2 and 4, the utility model also provides a solenoid valve, be equipped with the movable valve core structure of above embodiment 1 or embodiment 2, the solenoid valve still includes: the valve comprises a pipe bending structure 6, a shell 8 connected with the pipe bending structure 6, a fixed valve core 4 arranged in the shell 8, and a movable valve core structure arranged in the shell 8 and corresponding to the fixed valve core 4. The elbow structure 6 has a first port 61, a cavity communicated with the first port 61, and a second port 62 communicated with the cavity, the central sealing body 32 is arranged corresponding to the opening of the second port 62 connected with the cavity, and the peripheral sealing ring 33 is arranged at the joint of the outer shell 8 and the elbow structure 6.
Specifically, the elbow structure 6 is provided with a first port 61 and a second port 62 at two ends in the vertical direction, and a third port 63 in the horizontal direction, the first port 61 is communicated with the second port 62, the first port 61 is a cooling liquid inlet, the third port 63 is a cooling liquid outlet, and the housing 8 is fixedly connected with the elbow structure 6 through a connecting pipe 7. An elbow 64 is arranged in the elbow structure 6, the diameter of the elbow 64 is smaller than the diameters of the first, second and third ports, the inlet of the elbow 64 is communicated with the second port 62, and the outlet of the elbow 64 is communicated with the third port 63; the outer wall of the elbow 64 is fixedly connected to the inner wall of the elbow structure 6. Set up diaphragm structure 3 between elbow structure 6 with solenoid valve body 1 keeps apart both for coolant liquid is kept apart in solenoid valve switching process above diaphragm structure 3, and does not flow through inside the case, has improved the life of solenoid valve on the one hand, and on the other hand has reduced the loss of pressure of coolant liquid. When the solenoid valve is opened, the central sealing body 32 of the diaphragm structure 3 is separated from the inlet of the elbow 64, and cooling liquid enters the elbow 64 and flows into equipment through the third port 63 for cooling; when the solenoid valve is closed, the central sealing body 32 is pressed against the inlet of the elbow 64 again, and the cooling liquid cannot flow into the elbow 64 and further cannot flow into the equipment for cooling.
To sum up, the utility model discloses a with diaphragm structure connect in the head of movable valve element body, and right diaphragm structure sets up the flexible diaphragm that extends, keep apart the coolant liquid in movable valve element body outside is located the peripheral sealing washer at diaphragm edge is sealed mutually with elbow structure's inner wall, makes the coolant liquid not pass through the solenoid valve case of work inside, has reduced the probability of the inside damage of solenoid valve, has improved the life of solenoid valve to the loss of pressure of coolant liquid has been reduced to a certain extent. The utility model also provides a solenoid valve, the solenoid valve install above the movable valve core structure. The utility model discloses a move case structure and solenoid valve simple structure, nevertheless gained better result of use, be worth wideling popularize the use.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A movable valve core structure is characterized by comprising:
the movable valve core body moves under the action of electromagnetism to open the electromagnetic valve or moves under the action of the elasticity of the elastic piece to close the electromagnetic valve;
the elastic piece is arranged at the tail part of the movable valve core body;
the diaphragm structure is flexible material, includes: the valve comprises a central sealing body, a peripheral sealing ring and a diaphragm connected with the central sealing body and the peripheral sealing ring, wherein the central sealing body is installed on the head of the movable valve core body and used for realizing the opening function and the closing function of the valve body, and the peripheral sealing ring is used for sealing the joint of the shell of the movable valve core body and a bent pipe structure.
2. The dynamic valve core structure according to claim 1, wherein the cross section of the diaphragm is arc-shaped.
3. The dynamic spool structure of claim 1, wherein said diaphragm is provided with transverse corrugations.
4. The dynamic spool structure according to claim 1, wherein said central seal body, said peripheral seal ring and said diaphragm are integrally formed.
5. The dynamic spool structure according to any one of claims 1-4, wherein said resilient member is a spring.
6. The movable valve core structure according to claim 5, wherein the tail part of the movable valve core body is sleeved into one end of the spring, and the other end of the spring is abutted against the fixed valve core;
or the tail part of the movable valve core body is provided with an installation cavity, one end of the spring is embedded into the installation cavity, and the other end of the spring is abutted to the fixed valve core through a positioning column.
7. The movable valve element structure according to claim 1, wherein the central sealing body is fastened to the head portion of the movable valve element body.
8. The movable valve element structure according to claim 7, wherein a locking platform is disposed on the head of the movable valve element body, a locking groove is disposed on the locking platform, a locking hole matched with the locking platform is disposed on the bottom surface of the central sealing body, a locking protrusion is disposed on the side wall of the locking hole, and when the central sealing body is sleeved on the head of the movable valve element body, the locking protrusion is locked in the locking groove.
9. A solenoid valve, comprising: the valve comprises a bent pipe structure, a shell connected with the bent pipe structure, a fixed valve core arranged in the shell, and a movable valve core arranged in the shell and corresponding to the fixed valve core, wherein the movable valve core is the movable valve core structure according to any one of claims 1-4 or 6-8.
10. The electromagnetic valve according to claim 9, wherein the elbow structure has a first port, a cavity communicating with the first port, and a second port communicating with the cavity, the central sealing body is disposed corresponding to an opening of the second port connected to the cavity, and the peripheral sealing ring is disposed at a connection position of the outer shell and the elbow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020368615.0U CN211779126U (en) | 2020-03-20 | 2020-03-20 | Movable valve core structure and electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020368615.0U CN211779126U (en) | 2020-03-20 | 2020-03-20 | Movable valve core structure and electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779126U true CN211779126U (en) | 2020-10-27 |
Family
ID=72932806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020368615.0U Active CN211779126U (en) | 2020-03-20 | 2020-03-20 | Movable valve core structure and electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779126U (en) |
-
2020
- 2020-03-20 CN CN202020368615.0U patent/CN211779126U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101743419B (en) | Flow control valve assembly with low noise | |
| CN111271485A (en) | Movable valve core structure and electromagnetic valve | |
| CN211779126U (en) | Movable valve core structure and electromagnetic valve | |
| CN101463748B (en) | Carbamide injection valve | |
| CN212056053U (en) | Electromagnetic valve assembly | |
| CN212056054U (en) | Electromagnetic valve assembly | |
| CN212056055U (en) | Electromagnetic valve assembly | |
| CN211779595U (en) | Bent pipe structure and electromagnetic valve | |
| CN210043869U (en) | Drain valve and food processor | |
| CN201416663Y (en) | Novel quick-opening diaphragm water faucet | |
| KR102588596B1 (en) | Universal Water Supply Valve Set | |
| CN201347787Y (en) | Urea injecting valve | |
| CN212297910U (en) | Straight-through type miniature electromagnetic valve | |
| CN214618098U (en) | Coil group fixing device of electromagnetic valve and electromagnetic valve | |
| CN210196547U (en) | Electromagnetic valve with non-return three-way valve | |
| CN217463260U (en) | Integrated carbon tank stop valve | |
| CN220168712U (en) | Solenoid valve, solenoid valve subassembly and car | |
| CN215635172U (en) | One-way joint | |
| CN104948274A (en) | Injector corrosion isolation seal | |
| CN213017993U (en) | Isolation diaphragm type electromagnetic valve | |
| CN216519792U (en) | Quick connector type check valve | |
| CN216923318U (en) | Isolated three-way anti-corrosion electromagnetic valve | |
| CN219345506U (en) | Electronic expansion valve | |
| CN113790300A (en) | Pneumatic electromagnetic valve | |
| CN217519274U (en) | Normally-closed single-pneumatic chemical pneumatic diaphragm valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215101 floor 1-3, building 5, No. 8, Yangyun Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Bedkelly electric (Suzhou) Co.,Ltd. Address before: 518000 Room 101, building a, 33 Jinlong 3rd road, Tongle community, Baolong street, Longgang District, Shenzhen City, Guangdong Province Patentee before: BETTER-CARRY ELECTRICS SHENZHEN CO.,LTD. |