CN210509790U - Duplex high-pressure electromagnetic valve - Google Patents
Duplex high-pressure electromagnetic valve Download PDFInfo
- Publication number
- CN210509790U CN210509790U CN201921406304.2U CN201921406304U CN210509790U CN 210509790 U CN210509790 U CN 210509790U CN 201921406304 U CN201921406304 U CN 201921406304U CN 210509790 U CN210509790 U CN 210509790U
- Authority
- CN
- China
- Prior art keywords
- iron core
- valve
- valve seat
- sleeve
- cavity
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a duplex high-pressure electromagnetic valve, which comprises a valve seat and two pilot heads arranged on the valve seat in parallel; the two guide heads respectively comprise a sleeve, a fixed iron core, a movable iron core and a coil, the bottom of the sleeve is fixedly connected with a valve seat, the fixed iron core is fixedly arranged at the top end of the sleeve, the valve seat, the sleeve and the fixed iron core are matched together to form a cavity, the movable iron core is movably arranged in the cavity, a spring is arranged between the movable iron core and the fixed iron core in a propping manner, and the coil is sleeved on the outer side of the sleeve; the valve seat is provided with two working ports corresponding to the pilot heads one by one, the working ports are communicated with the cavity through the valve ports respectively, a valve cavity is arranged in the valve seat, the cavity is communicated with the valve cavity through a fluid passage respectively, the valve seat is further provided with a first inlet passage and a second inlet passage, the first inlet passage and the second inlet passage are both communicated with the valve cavity, and the bottom of the movable iron core is embedded with a sealing head in sealing fit with the valve ports. The utility model discloses simple structure is compact, convenient to use is nimble, the high advantage of gas tightness have been possessed.
Description
Technical Field
The utility model relates to a solenoid valve technical field, in particular to pair high-pressure solenoid valve.
Background
The 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. At present, a single electromagnetic valve is mainly sold in the market, generally only has two states of connection and disconnection, and does not have the function of regulating flow; there are also dual electromagnetic valves formed by butt-jointing valves, but the adjustment of fluid is difficult, the sealing performance is poor, and the use is not flexible enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure compactness, convenient to use are nimble, the high pair high pressure solenoid valve of gas tightness.
The utility model provides a technical scheme that its technical problem adopted is: a duplex high-pressure electromagnetic valve comprises a valve seat and two pilot heads arranged on the valve seat in parallel; the two guide heads respectively comprise a sleeve, a fixed iron core, a movable iron core and a coil, the bottom of the sleeve is fixedly connected with the valve seat, the fixed iron core is fixedly arranged at the top end of the sleeve, the valve seat, the sleeve and the fixed iron core are matched together to form a cavity, the movable iron core is movably arranged in the cavity, a spring is abutted between the movable iron core and the fixed iron core, and the coil is sleeved outside the sleeve; the valve seat is provided with two working ports which are in one-to-one correspondence with the guide heads, the working ports are respectively communicated with the cavity through valve ports, a valve cavity is arranged in the valve seat, the cavity is respectively communicated with the valve cavity through a fluid passage, the valve seat is further provided with a first inlet passage and a second inlet passage, the first inlet passage and the second inlet passage are both communicated with the valve cavity, and the bottom of the movable iron core is embedded with a sealing head which is in sealing fit with the valve ports.
Furthermore, a pressing plate matched with the bottom of the sleeve is further arranged on the valve seat, and the pressing plate is sleeved between the coil and the valve seat, so that the sleeve is convenient to mount.
Furthermore, a first O-shaped ring is arranged at the joint of the sleeve and the valve seat, and a second O-shaped ring is arranged at the joint of the sleeve and the fixed iron core, so that the sealing performance of the electromagnetic valve is improved, and the fluid is prevented from leaking.
Furthermore, a top pin is arranged between the fixed iron core and the spring, and a sub-magnetic ring is embedded at the bottom end of the fixed iron core.
Furthermore, the coil is fixed on the outer side of the sleeve through a nut, and the nut is in threaded connection with the top end of the fixed iron core, so that the coil is convenient to mount.
Furthermore, the coil is electrically connected with a wiring terminal, so that connection control of the coil is facilitated.
The utility model has the advantages that: the two pilot heads are arranged on the valve seat in parallel, the two working ports corresponding to the pilot heads one by one are formed in the valve seat, the working ports are communicated with the cavity through the valve ports respectively, the valve cavity is arranged in the valve seat, the cavity is communicated with the valve cavity through the fluid channel respectively, the valve seat is further provided with a first inlet channel and a second inlet channel, the first inlet channel and the second inlet channel are both communicated with the valve cavity, and the bottom of the movable iron core is embedded with a sealing head in sealing fit with the valve ports, so that the air tightness of the valve ports is ensured; through circular telegram for different guide's heads, make the fluid flow from the working port of difference, when needs great flow, all open two working ports, when the less flow of needs, only open one of them working port to realize the nimble control to fluid flow, generally speaking, the utility model discloses simple structure is compact, convenient to use is nimble, the advantage that the gas tightness is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the overall sectional schematic diagram of the utility model.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is a schematic structural diagram of the valve seat of the present invention.
Fig. 5 is a schematic top view of fig. 4.
Fig. 6 is a schematic sectional view at B-B in fig. 5.
Fig. 7 is a schematic sectional view at C-C in fig. 5.
Shown in the figure: 1-a valve seat; 11-a working port; 12-valve port; 13-a valve cavity; 14-a fluid channel; 15-a first inlet channel; 16-a second inlet channel; 2-leading head; 21-a sleeve; 22-a fixed iron core; 23-a movable iron core; 24-a coil; 241-a wiring terminal; 25-a spring; 3-a chamber; 4-sealing the head; 5, pressing a plate; 6-a first O-ring; 7-a second O-ring; 8-knock pin; 9-magnetic ring separation; 10-nut.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 to 7, a duplex high-pressure solenoid valve includes a valve seat 1, and two pilot heads 2 arranged in parallel on the valve seat 1; the two pilot heads 2 respectively comprise a sleeve 21, a fixed iron core 22, a movable iron core 23 and a coil 24, the bottom of the sleeve 21 is fixedly connected with the valve seat 1, the fixed iron core 22 is fixedly arranged at the top end of the sleeve 21, the valve seat 1, the sleeve 21 and the fixed iron core 22 are matched together to form a cavity 3, the movable iron core 23 is movably arranged in the cavity 3, a spring 25 is arranged between the movable iron core 23 and the fixed iron core 22 in a supporting manner, and the coil 24 is sleeved outside the sleeve 21; two working ports 11 which are in one-to-one correspondence with the pilot heads 2 are formed in the valve seat 1, the working ports 11 are respectively communicated with the cavity 3 through the valve ports 12, a valve cavity 13 is formed in the valve seat 1, the cavity 3 is respectively communicated with the valve cavity 13 through the fluid channel 14, a first inlet channel 15 and a second inlet channel 16 are further formed in the valve seat 1, the first inlet channel 15 and the second inlet channel 16 are both communicated with the valve cavity 13, the sealing head 4 which is in sealing fit with the valve ports 12 is embedded in the bottom of the movable iron core 23, the air tightness of the valve ports 12 is improved, and fluid is prevented from flowing out of the working ports 11 when the coil 24 is not electrified.
The valve seat 1 is also provided with a pressing plate 5 matched with the bottom of the sleeve 21, and the pressing plate 5 is sleeved between the coil 24 and the valve seat 1.
A first O-shaped ring 6 is arranged at the joint of the sleeve 21 and the valve seat 1, and a second O-shaped ring 7 is arranged at the joint of the sleeve 21 and the fixed iron core 22.
Specifically, a counter bore facilitating installation of the sleeve 21 is machined in the valve seat 1, the first O-ring 6 is sleeved on the bottom end of the sleeve 21, the sleeve 21 is installed in the counter bore, the pressing plate 5 is sleeved on the outer side of the sleeve 21 and fixedly connected with the valve seat 1, and preferably, the pressing plate 5 is fixed on the valve seat 1 through screws.
A top pin 8 is arranged between the fixed iron core 22 and the spring 25, and a sub-magnetic ring 9 is embedded at the bottom end of the fixed iron core 22, so that the movable iron core 23 is stressed uniformly and reacts quickly.
The coil 24 is fixed on the outer side of the sleeve 21 through the nut 10, and the nut 10 is in threaded connection with the top end of the fixed iron core 22; a connection terminal 241 is electrically connected to the coil 24.
The utility model discloses a concrete theory of operation: high-pressure oil is introduced from the first inlet passage 15 and the second inlet passage 16, the oil flows into the valve cavity 13, and the oil in the valve cavity 13 flows into each chamber 3 through the fluid passage 14; when the coil 24 is not electrified, the sealing head 4 embedded at the bottom of the movable iron core 23 is pressed against the corresponding valve port 12 under the pressure of the spring 25 and seals the corresponding valve port 12, so that the oil in each chamber 3 cannot flow to the corresponding working port 11; when a small flow of oil is needed, the coil 24 in one of the pilot heads 2 is electrified, so that the corresponding fixed iron core 22 generates electromagnetic force, the movable iron core 23 overcomes the pressure of the spring 25 until the movable iron core 23 is attracted with the fixed iron core 22, the corresponding valve port 12 is opened, and the oil flows to the corresponding working port 11 through the valve port 12, so that the small flow of oil is obtained; when oil with larger flow is needed, the coils 24 in the two guide heads 2 are electrified, similarly, the movable iron core 23 and the fixed iron core 22 are attracted, the two valve ports 12 are in an open state, and the oil flows out from the two working ports 11, so that the oil with larger flow is obtained, and the flexible control of the oil flow is realized.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (6)
1. A pair high-pressure solenoid valve which characterized in that: comprises a valve seat (1) and two pilot heads (2) which are arranged on the valve seat (1) in parallel; the two guide heads (2) respectively comprise a sleeve (21), a fixed iron core (22), a movable iron core (23) and a coil (24), the bottom of the sleeve (21) is fixedly connected with the valve seat (1), the fixed iron core (22) is fixedly arranged at the top end of the sleeve (21), the valve seat (1), the sleeve (21) and the fixed iron core (22) are matched together to form a cavity (3), the movable iron core (23) is movably arranged in the cavity (3), a spring (25) is arranged between the movable iron core (23) and the fixed iron core (22) in a propping manner, and the coil (24) is sleeved on the outer side of the sleeve (21); the valve seat (1) is provided with two working ports (11) which correspond to the guide heads (2) one by one, the working ports (11) are communicated with the cavity (3) through valve ports (12) respectively, a valve cavity (13) is arranged in the valve seat (1), the cavity (3) is communicated with the valve cavity (13) through fluid channels (14) respectively, the valve seat (1) is further provided with a first inlet channel (15) and a second inlet channel (16), the first inlet channel (15) and the second inlet channel (16) are both communicated with the valve cavity (13), and a sealing head (4) which is in sealing fit with the valve ports (12) is embedded in the bottom of the movable iron core (23).
2. A twin high pressure solenoid valve as defined in claim 1 wherein: the valve seat (1) is further provided with a pressing plate (5) matched with the bottom of the sleeve (21), and the pressing plate (5) is sleeved between the coil (24) and the valve seat (1).
3. A twin high pressure solenoid valve as defined in claim 1 wherein: the connecting part of the sleeve (21) and the valve seat (1) is provided with a first O-shaped ring (6), and the connecting part of the sleeve (21) and the fixed iron core (22) is provided with a second O-shaped ring (7).
4. A twin high pressure solenoid valve as defined in claim 1 wherein: a top pin (8) is arranged between the fixed iron core (22) and the spring (25), and a sub-magnetic ring (9) is embedded at the bottom end of the fixed iron core (22).
5. A twin high pressure solenoid valve as defined in claim 1 wherein: the coil (24) is fixed on the outer side of the sleeve (21) through a nut (10), and the nut (10) is in threaded connection with the top end of the fixed iron core (22).
6. The twin high pressure solenoid valve as defined in claim 5 wherein: the coil (24) is electrically connected with a connecting terminal (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406304.2U CN210509790U (en) | 2019-08-28 | 2019-08-28 | Duplex high-pressure electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406304.2U CN210509790U (en) | 2019-08-28 | 2019-08-28 | Duplex high-pressure electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509790U true CN210509790U (en) | 2020-05-12 |
Family
ID=70544927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921406304.2U Active CN210509790U (en) | 2019-08-28 | 2019-08-28 | Duplex high-pressure electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067127A1 (en) * | 2022-09-29 | 2024-04-04 | 比亚迪股份有限公司 | Integrated module, thermal management system, and vehicle |
-
2019
- 2019-08-28 CN CN201921406304.2U patent/CN210509790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067127A1 (en) * | 2022-09-29 | 2024-04-04 | 比亚迪股份有限公司 | Integrated module, thermal management system, and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101668976B (en) | System and method for hydraulically managing fluid pressure downstream from a main valve between set points | |
| CN111271486B (en) | Pressure reducing valve | |
| CN210509790U (en) | Duplex high-pressure electromagnetic valve | |
| US6786236B2 (en) | Electrohydraulic servo valve | |
| CN109538562B (en) | Pilot valve sleeve control type switch valve | |
| EP3191753A1 (en) | Solenoid valve with in-line balancing rod | |
| JP4029417B2 (en) | Pressure regulating valve for solenoid valve assembly and solenoid valve assembly including the same | |
| CN102518843B (en) | Composite control digital valve for pressure and flow rate of high-pressure gas | |
| CN201628005U (en) | Pilot operated antifouling electromagnetic valve | |
| CN115013561B (en) | Electromagnetic valve with safety mode | |
| CN213392927U (en) | Electromagnetic valve | |
| CN115614509A (en) | Bidirectional electromagnetic pressure-maintaining unloading valve | |
| CN210510460U (en) | Refrigeration valve | |
| CN211574324U (en) | Electromagnetic valve | |
| CN108443255B (en) | Control cover plate for buffering and unloading main pump of ten thousand-ton free forging press | |
| CN213982217U (en) | Throttling proportional valve | |
| CN214618088U (en) | Novel low-power solenoid valve | |
| CN111306333A (en) | Safety valve | |
| CN215635127U (en) | Double-flow electromagnetic valve with sampling structure | |
| CN110220014B (en) | Low operating torque high pressure stop valve | |
| CN216895948U (en) | High-pressure one-way throttle valve | |
| CN219493222U (en) | Electromagnetic valve with mechanical switch | |
| CN213117595U (en) | Duplex valve | |
| CN218325541U (en) | Two-position three-way valve of gas-electricity double control | |
| CN219035556U (en) | Pilot-operated type regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |