CN215673846U - Bistable pulse electromagnetic valve - Google Patents
Bistable pulse electromagnetic valve Download PDFInfo
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- CN215673846U CN215673846U CN202121899803.7U CN202121899803U CN215673846U CN 215673846 U CN215673846 U CN 215673846U CN 202121899803 U CN202121899803 U CN 202121899803U CN 215673846 U CN215673846 U CN 215673846U
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Abstract
The utility model provides a bistable pulse electromagnetic valve, comprising: the magnet protection device comprises a higher yoke, a permanent magnet, a coupler, a lower yoke, a coil protection sleeve and a silica gel sealing head, wherein a coil is arranged inside the higher yoke, the permanent magnet is arranged inside the higher yoke, the coupler is arranged below the permanent magnet, the lower yoke is arranged below the higher yoke, the coil protection sleeve is arranged on the surface of the permanent magnet, and the silica gel sealing head is arranged below the coupler. According to the bistable pulse electromagnetic valve provided by the utility model, the permanent magnet is arranged in the upper yoke to be matched with the coil and the connector for use, so that the use of a spring can be replaced, the requirement on the generation of a magnetic field by the coil can be reduced, the size of the electromagnetic coil can be reduced, the coil cost is reduced, meanwhile, the coil rack and the sheath are combined into a whole, the inner diameter of the coil is also reduced, the using amount of a copper enameled wire is effectively reduced, the permanent magnet adopts a cylindrical neodymium iron boron strong magnet, the execution force can be further improved, the bistable pulse electromagnetic valve is safe and reliable, and the cylindrical neodymium iron boron strong magnet is embedded in the connector and sealed by resin to prevent rusting.
Description
Technical Field
The utility model relates to the field of electromagnetic valves, in particular to a bistable pulse electromagnetic 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.
The existing electromagnetic valve is internally provided with a closed cavity, through holes are formed in different positions, each hole is connected with different oil pipes, a piston is arranged in the middle of the cavity, and two electromagnets are arranged on two sides of the cavity.
The inside of the solenoid valve that uses at present is provided with the spring, can cause the coil to appear the condition in magnetic field when using, leads to the volume increase of the inside coil of solenoid valve to can cause coil manufacturing cost to increase, can lead to causing the influence when using.
Therefore, it is necessary to provide a bistable pulse solenoid valve to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bistable pulse electromagnetic valve, which solves the problems that a spring and a coil arranged in the conventional electromagnetic valve are influenced when the electromagnetic valve is used, and the volume of the electromagnetic valve is increased due to the use of the coil.
In order to solve the above technical problem, the present invention provides a bistable pulse solenoid valve, including:
an upper yoke, in which a coil is provided;
a permanent magnet disposed inside the upper yoke and inside the coil;
a coupler disposed below the permanent magnet;
a lower yoke disposed below the upper yoke
The coil protecting sleeve is arranged on the surface of the permanent magnet;
the silica gel sealing head is arranged below the connector.
Preferably, an electromagnetic actuator is arranged below the lower yoke, a middle valve body is arranged on one side of the electromagnetic actuator, a lower valve body is arranged on one side of the middle valve body, and an upper cavity is arranged in the electromagnetic actuator and located on one side, opposite to the silica gel sealing head, of the electromagnetic actuator.
Preferably, one side of the interior of the middle valve body is provided with a middle cavity, one side of the middle cavity is provided with a pressure relief hole, and one side of the middle cavity is provided with a water through hole.
Preferably, the inside of lower valve body just is located the below of lumen is provided with the apopore, the inside of lower valve body just is located one side that the apopore is relative is provided with the silica gel valve membrane, the inside of lower valve body just is located the below of lumen and is provided with the pressure boost hole.
Preferably, a water outlet channel and a water inlet channel are respectively arranged on two sides of the lower valve body.
Preferably, both sides of the surface of the lower yoke are provided with fixing components, each fixing component comprises a threaded bolt, and a threaded groove matched with the threaded bolt is formed in the electromagnetic actuating mechanism.
Preferably, the surface of screw thread bolt is provided with spacing subassembly, spacing subassembly includes the cavity, the surface of screw thread bolt is provided with the stopper, the equal fixedly connected with slider in both sides of cavity inner wall, the surface of screw thread bolt seted up with the spout of slider looks adaptation, the both sides of cavity inner wall all seted up with the spacing groove of stopper looks adaptation.
Compared with the related art, the bistable pulse electromagnetic valve provided by the utility model has the following beneficial effects:
the utility model provides a bistable pulse electromagnetic valve, wherein a permanent magnet is arranged in a superior yoke to be matched with a coil and a connector for use, so that the use of a spring can be replaced, the requirement on the generation of a magnetic field by the coil can be reduced, the volume of an electromagnetic coil can be reduced, the coil cost is reduced, meanwhile, a coil frame and a sheath are combined into a whole, the inner diameter of the coil is also reduced, the using amount of a copper enameled wire is effectively reduced, the permanent magnet adopts a cylindrical neodymium iron boron strong magnet, the execution force can be further improved, the bistable pulse electromagnetic valve is safe and reliable, the cylindrical neodymium iron boron strong magnet is embedded in the connector and is sealed by resin, the rusting is prevented, and the production efficiency can be improved due to the simple structure.
Drawings
FIG. 1 is a schematic structural diagram of a bistable pulse solenoid valve according to a first embodiment of the present invention;
FIG. 2 is a sectional view of the solenoid valve as a whole;
FIG. 3 is a schematic view of the outer portion of the upper yoke shown in FIG. 1;
FIG. 4 is a top view of the exterior of the solenoid valve shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a bistable pulse solenoid valve according to a second embodiment of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5;
fig. 7 is a perspective view of the fixing assembly shown in fig. 5.
Reference numbers in the figures: 1. the high-speed electromagnetic valve comprises a high-speed yoke, 2, a coil, 3, a permanent magnet, 4, a connector, 5, a low-speed yoke, 6, a coil protecting sleeve, 7, a silica gel sealing head, 8, an electromagnetic actuating mechanism, 9, a middle valve body, 10, a middle cavity, 11, a pressure relief hole, 12, a water through hole, 13, a water outlet hole, 14, a silica gel valve film, 15, a pressurizing hole, 16, a water outlet channel, 17, a water inlet channel, 18, a fixing component, 181, a threaded bolt, 182, a threaded groove, 19, a limiting component, 191, a cavity, 192, a limiting block, 193, a sliding block, 194, a sliding groove, 195, a limiting groove, 20, a lower valve body, 21 and an upper cavity.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a bistable pulse solenoid valve according to a first embodiment of the present invention; FIG. 2 is a sectional view of the solenoid valve as a whole; FIG. 3 is a schematic view of the outer portion of the upper yoke shown in FIG. 1; fig. 4 is a top view of the exterior of the solenoid valve shown in fig. 1. A bistable pulsed solenoid valve comprising:
an upper yoke 1, wherein a coil 2 is arranged in the upper yoke 1;
a permanent magnet 3, the permanent magnet 3 being disposed inside the upper yoke 1 and inside the coil 2;
a coupler 4, the coupler 4 being disposed below the permanent magnet 3;
a lower yoke 5, wherein the lower yoke 5 is disposed below the upper yoke 1
The coil protecting sleeve 6 is arranged on the surface of the permanent magnet 3;
the coil protecting jacket 6 is composed of a coil rack and a protecting jacket.
A silicone sealing head 7, the silicone sealing head 7 being disposed below the coupler 4.
The lower yoke 5's below is provided with electromagnetic actuator 8, one side of electromagnetic actuator 8 is provided with well valve body 9, one side of well valve body 9 is provided with down valve body 20, electromagnetic actuator 8's inside just is located the relative one side of silica gel sealing head 7 is provided with epicoele 21.
A middle cavity 10 is arranged on one side inside the middle valve body 9, a pressure relief hole 11 is arranged on one side of the middle cavity 10, and a water through hole 12 is arranged on one side of the middle cavity 10.
The effective aperture of the pressurizing hole 15 is smaller than that of the pressure relief hole 11.
And a water outlet channel 16 and a water inlet channel 17 are respectively arranged on two sides of the lower valve body 20.
The bistable pulse electromagnetic valve provided by the utility model has the following working principle:
when the electromagnetic valve works, the permanent magnet 3, the coupler 4 and the silica gel sealing head 7 form a moving core, the electromagnetic actuator and the middle valve body 9 form an upper cavity 21, the middle valve body 9 and the silica gel valve film 14 form a middle cavity 10, when the coil 2 inputs positive pulse current, the moving core is under the action of upward magnetic force and moves upwards until contacting with the upper part of the coil protecting sleeve 6, the pressure relief hole 11 is opened, water in the middle cavity 10 enters the upper cavity 21 through the water through hole 12 and flows into the water outlet channel 16 through the pressure relief hole 11, because the effective aperture of the pressure relief hole 15 is smaller than the aperture of the pressure relief hole 11, the water pressure in the middle cavity 10 is reduced and is smaller than the water pressure of the water inlet channel 17, the upward pressure borne by the silica gel valve film 14 is larger than the downward pressure, the silica gel valve film 14 rises, the valve is opened, and after the positive pulse current passes, because the upper pole of the permanent magnet 3 is close to the upper pole of the upper pole yoke 1, the upper pole yoke 1 is adsorbed to keep the pressure relief hole 11 continuously opened.
When the permanent magnet 3, the coupler 4 and the silica gel sealing head 7 form a movable core, the electromagnetic actuator and the middle valve body 9 form an upper cavity II, the middle valve body 9 and the silica gel valve film 14 form a middle cavity 10, when negative pulse current is input into the coil 2, the movable core is under the action of downward magnetic force, the movable core moves downward until contacting with the pressure relief hole 11, the pressure relief hole 11 is closed, water in the middle cavity 10 enters through the water through hole 12 and cannot flow into the water outlet channel 16 through the pressure relief hole 11, so that the water pressure in the middle cavity 10 is increased to be larger than that in the water inlet channel 17, the downward pressure on the silica gel valve film 14 is larger than the upward pressure, the silica gel valve film 14 descends to contact with the water outlet hole 13, the valve is closed, and after the negative pulse current passes, the lower pole of the permanent magnet 3 is close to the lower yoke 5, the lower yoke 6 is adsorbed on the lower yoke 6, and the pressure relief hole 11 is kept closed continuously.
Compared with the related art, the bistable pulse electromagnetic valve provided by the utility model has the following beneficial effects:
the utility model provides a bistable pulse electromagnetic valve, set up permanent magnet 3 in the upper yoke 1 and cooperate with coil 2 and coupler 4 to use and can replace the use of the spring, can reduce the requirement for generating the magnetic field of the coil, therefore can reduce the volume of the electromagnetic coil, thus reduce the cost of coil 2, the coil bobbin is united with the boot at the same time, have reduced the coil internal diameter too, reduce the enamelled wire consumption of copper effectively, the permanent magnet adopts cylindrical neodymium iron boron strong magnet, can further improve the executive force, safe and reliable, the cylindrical neodymium iron boron strong magnet is buried in the coupler, seal with resin, prevent rusting, because of simple in construction, can raise production efficiency.
Second embodiment
Referring to fig. 5, fig. 6 and fig. 7, a bistable pulse solenoid valve according to a first embodiment of the present application is provided. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the bistable pulse solenoid valve provided in the second embodiment of the present application is different in that, in the bistable pulse solenoid valve, the fixing assemblies 18 are respectively disposed on two sides of the surface of the lower yoke 5, each fixing assembly 18 includes a threaded bolt 181, and a threaded groove 182 adapted to the threaded bolt 181 is formed in the electromagnetic actuator 8.
The surface of screw bolt 181 is provided with spacing subassembly 19, spacing subassembly 19 includes cavity 191, the surface of screw bolt 181 is provided with stopper 192, the equal fixedly connected with slider 193 in both sides of cavity 191 inner wall, the surface of screw bolt 181 seted up with the spout 194 of slider 193 looks adaptation, the both sides of cavity 191 inner wall all seted up with stopper 192 looks adaptation's spacing groove 195.
The limiting block 192 is composed of a fixing ring and two clamping blocks, one side of the inner wall of the fixing ring is fixedly connected with one side of the sliding block 193 through a connecting block, the sliding groove 194 is composed of an annular sliding groove and a rectangle, the annular sliding groove rotates a moving path when the limiting block 192 is contacted with the bottom of the inner wall of the cavity 191 at the bottom of the limiting block 192, the rectangular sliding groove moves a moving path when the limiting block 192 is separated from the limiting groove 195 when the threaded bolt 181 is separated from the threaded groove 182, the limiting groove 195 is composed of two rectangular moving grooves matched with the clamping blocks and two quarter-circle dark holes, the quarter-circle dark holes play a fixing role for the limiting block 192, the rectangular moving grooves are communicated with the two quarter-circle dark holes, and the limiting block 192 can be taken out conveniently.
The bistable pulse electromagnetic valve provided by the utility model has the following working principle:
when the lower yoke 5 and the electromagnetic actuator 8 are fixedly connected, an operator first rotates the threaded bolt 181 with the stopper 192 in contact with the surface of the lower yoke 5 into the electromagnetic actuator 8, and when the threaded bolt 181 rotates into the electromagnetic actuator 8, the threaded bolt is overlapped and fixed with the threaded groove 182 in the electromagnetic actuator 8, and when the threaded bolt 181 moves into the threaded groove 182, the stopper 192 is driven to move into the cavity 191, and after the stopper 192 moves into the cavity 191, the stopper 192 is rotated to overlap and fix the stopper 192 with the stopper grooves 195 on both sides of the inner wall of the cavity 191.
Compared with the related art, the bistable pulse electromagnetic valve provided by the utility model has the following beneficial effects:
the utility model provides a bistable pulse electromagnetic valve, wherein a threaded bolt 181 and a limit block 192 are arranged on the surface of a lower-stage yoke 5 to replace the existing bolt fixing mode, so that the fixing connectivity can be increased, the situation that the bolt is rusted due to the influence of the environment when being used alone and is inconvenient for an operator in the later period of use can be avoided, and a sliding groove 194 arranged on the surface of the threaded bolt 181 is matched with a sliding block 193, so that the limit block 192 can be conveniently moved to the inside of a limit groove 195 when the threaded bolt 181 rotates to a proper position.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A bistable pulsed solenoid valve, comprising:
an upper yoke, in which a coil is provided;
a permanent magnet disposed inside the upper yoke and inside the coil;
a coupler disposed below the permanent magnet;
a lower yoke disposed below the upper yoke
The coil protecting sleeve is arranged on the surface of the permanent magnet;
the silica gel sealing head is arranged below the connector.
2. The bistable pulse solenoid valve of claim 1, wherein an electromagnetic actuator is disposed below the lower yoke, a middle valve body is disposed on one side of the electromagnetic actuator, a lower valve body is disposed on one side of the middle valve body, and an upper cavity is disposed inside the electromagnetic actuator and on the side opposite to the silicone sealing head.
3. The bistable pulse solenoid valve of claim 2, wherein a middle cavity is arranged on one side of the interior of said middle valve body, a pressure relief hole is arranged on one side of said middle cavity, and a water through hole is arranged on one side of said middle cavity.
4. The bistable pulse electromagnetic valve according to claim 3, wherein a water outlet hole is formed in the lower valve body and below the middle cavity, a silica gel valve film is arranged on the side, opposite to the water outlet hole, in the lower valve body, and a pressurizing hole is formed in the lower valve body and below the middle cavity.
5. The bistable pulse solenoid valve of claim 2, wherein said lower valve body is provided with a water outlet channel and a water inlet channel on both sides.
6. The bistable pulse solenoid valve of claim 2, wherein said lower yoke is provided with a fixing component on both sides of its surface, said fixing component comprises a threaded bolt, and a threaded groove adapted to said threaded bolt is formed in the interior of the electromagnetic actuator.
7. The bistable pulse solenoid valve of claim 6, wherein a limiting component is disposed on the surface of the threaded bolt, the limiting component comprises a cavity, a limiting block is disposed on the surface of the threaded bolt, sliding blocks are fixedly connected to both sides of the inner wall of the cavity, a sliding groove adapted to the sliding blocks is formed on the surface of the threaded bolt, and a limiting groove adapted to the limiting block is formed on both sides of the inner wall of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121899803.7U CN215673846U (en) | 2021-08-14 | 2021-08-14 | Bistable pulse electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121899803.7U CN215673846U (en) | 2021-08-14 | 2021-08-14 | Bistable pulse electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673846U true CN215673846U (en) | 2022-01-28 |
Family
ID=79952191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121899803.7U Active CN215673846U (en) | 2021-08-14 | 2021-08-14 | Bistable pulse electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673846U (en) |
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2021
- 2021-08-14 CN CN202121899803.7U patent/CN215673846U/en active Active
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