CN207437890U - To prevent the solenoid valve of External leakage - Google Patents
To prevent the solenoid valve of External leakage Download PDFInfo
- Publication number
- CN207437890U CN207437890U CN201721563074.1U CN201721563074U CN207437890U CN 207437890 U CN207437890 U CN 207437890U CN 201721563074 U CN201721563074 U CN 201721563074U CN 207437890 U CN207437890 U CN 207437890U
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- CN
- China
- Prior art keywords
- valve body
- core
- external leakage
- solenoid valve
- corrugated gasket
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of to prevent the solenoid valve of External leakage, including valve body (17), electromagnetic drive part, seal assembly, the seal assembly is arranged on valve body (17) between electromagnetic drive part, the valve body (17) is fixed by screws with electromagnetic drive part, the bottom of the valve body (17) is provided with fixing piece (20), corrugated gasket (18), flat shim (19) are provided between the valve body (17) and fixing piece (20), the corrugated gasket (18) is located at the lower section of flat shim (19).The utility model installs corrugated gasket in valve body bottom surface one side, that is plane spring, the loosened screw caused by valve body thermal deformation is inhibited by corrugated gasket, corrugated gasket then locks periphery sealing by the power up applied, forming the isolation diaphragm of seal assembly will not loosen, and bring the effect for preventing External leakage.
Description
Technical field
The utility model is related to a kind of solenoid valves more particularly to a kind of preventing the solenoid valve of External leakage.
Background technology
Solenoid valve is to be powered to generating electromagnetic force using coil, and driving isolation diaphragm movement to be turned on and off valve, changes
The flow direction of fluid, so as to achieve the purpose that executive component changes fluid direction of motion.As shown in Figure 1, current solenoid valve
Structure is as follows：Including valve body 8, electromagnetic drive part and seal assembly, seal assembly be arranged on valve body 8 and electromagnetic drive part it
Between, the bottom of valve body 8 is provided with fixing piece 9, and seal assembly includes isolation diaphragm 5 and sealing element 7.Valve body 8 and electromagnetic drive part
It is fixed by screws, electromagnetic drive part includes secured core 1, coil 2, spring 3, movable core 4 and annular core 6.
If the solenoid valve that client uses is the flow direction for changing high temperature fluid, once the temperature generated from high temperature to low temperature becomes
Change, the valve body 8 of resin material, which will generate, to expand with heat and contract with cold.Although valve body 8 and electromagnetic drive part are by 2 screw connections,
Since valve body 8 is deformed according to temperature, screw will loosen.If loosened screw, spring 3 is pressed downward, isolation diaphragm and valve body
Between periphery sealing can loosen, generate gap, so as to which External leakage occur.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide outer between a kind of reduction isolation diaphragm and valve body
Gap between all sealings preventing the solenoid valve of External leakage.
In order to reach object above, the technical solution adopted in the utility model is：It is a kind of preventing the electricity of External leakage
Magnet valve, including valve body, electromagnetic drive part, seal assembly, the seal assembly is arranged between valve body and electromagnetic drive part, described
Valve body is fixed by screws with electromagnetic drive part, and the bottom of the valve body is provided with fixing piece, the valve body and fixing piece
Between be provided with corrugated gasket, flat shim, the corrugated gasket is located at the lower section of flat shim.
The utility model installs Corrugation pad to prevent the advantageous effect of the solenoid valve of External leakage from being, in valve body bottom surface
Piece, i.e. plane spring inhibit the loosened screw caused by valve body thermal deformation by corrugated gasket, and corrugated gasket is by up
The power of application is to lock periphery sealing, and forming the isolation diaphragm of seal assembly will not loosen, and bringing prevents External leakage
Effect.
Preferably, step is provided at the center of the upper surface of the fixing piece, the lower face of the valve body is provided with one
Groove is enclosed, the groove is corresponding up and down with step and forms annular installation cavity, and annular installation cavity is set along the edge of step, described
Corrugated gasket and flat shim are arranged in annular installation cavity.Corrugated gasket is directly set on step, and by under the valve body of top
The groove /V of end face, convenient for the installation of corrugated gasket, is not likely to produce and rocks；Corrugated gasket is positioned close to fixing piece upper end
At the center in face so that the elastic force that corrugated gasket generates acts on the seal assembly of top completely, is further ensured that composition sealing
The periphery sealing of the isolation diaphragm of component will not loosen, and after without generating gap, further prevent External leakage.
It is that the corrugated gasket has wave crest, trough as further improvement of the utility model, center at the trough
Upper surface be provided with protrusion, the protrusion is less than wave crest.Protrusion setting to ensure corrugated gasket compression height.
Preferably, the electromagnetic drive part includes coil and the secured core, spring, the active iron that set from top to bottom
Core, annular core, the movable core are arranged between secured core and annular core, the spring be arranged on secured core with
Between movable core, through annular core, the coil is arranged on secured core, annular core for the lower end of the movable core
Outside, the movable core are located in coil, and the seal assembly is located at the bottom of movable core.
Preferably, the seal assembly includes isolation diaphragm and sealing element, and the upper end of the isolation diaphragm is screwed into activity
Mandrel bottom, the lower end protrusion movable core of the isolation diaphragm, the sealing element are arranged between valve body and isolation diaphragm, institute
The bottom of the top surface and isolation diaphragm of stating sealing element is clamped.The mutual cooperation of isolation diaphragm and sealing element can be realized preferably close
Envelope, sealing element are clamped with isolation diaphragm, ensure that liquid may not flow into sealing or closing between isolation diaphragm and sealing element.
Preferably, the sealing element uses Viton, EPDM rubber or FPM rubber.Corrosion resistance and good.
It is that the part that the valve body is contacted with liquid is anticorrosion material as further improvement of the utility model, into
One step ensure that the corrosion resistance of the solenoid valve.
Preferably, the anticorrosion material is anti-corrosion resin material.
Description of the drawings
Fig. 1 is the semi-cutaway of solenoid valve in the prior art；
Fig. 2 is the semi-cutaway of solenoid valve in the present embodiment.
In figure：
1- secured cores；2- coils；3- springs；4- movable cores；5- isolation diaphragms；6- annular cores；7- sealing elements；8-
Valve body；9- fixing pieces；
10- secured cores；11- coils；12- springs；13- movable cores；14- isolation diaphragms；15- annular cores；16- is close
Sealing；17- valve bodies；18- corrugated gaskets；19- flat shims；20- fixing pieces；21- steps；22- peripheries sealing.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
It is a kind of to prevent the solenoid valve of External leakage in the present embodiment referring to shown in attached drawing 2, including valve body 17, electricity
Magnetic driving portion, seal assembly, seal assembly are arranged between valve body 17 and electromagnetic drive part, and valve body 17 passes through with electromagnetic drive part
Screw is fixedly connected, and the bottom of valve body 17 is provided with fixing piece 20, and the part that valve body 17 is contacted with liquid is anticorrosion material, is prevented
Corrosion material is anti-corrosion resin material.Corrugated gasket 18, flat shim 19, Corrugation pad are provided between valve body 17 and fixing piece 20
Piece 18 is located at the lower section of flat shim 19.The loosened screw caused by valve body thermal deformation, waveform are inhibited by corrugated gasket 18
Gasket 18 is then by the power up applied to lock periphery sealing 22, and forming the isolation diaphragm of seal assembly will not loosen, band
The effect of External leakage to prevent.
The mounting structure of corrugated gasket 18 is as follows：Step 21 is provided at the center of 20 upper surface of fixing piece, valve body 17
Lower face is provided with a circle groove, and groove and step are corresponding about 21 and form annular installation cavity, and the annular installation cavity is along platform
The edge of rank 21 is set, and corrugated gasket 18 and flat shim 19 are arranged in annular installation cavity.
Corrugated gasket 18 has wave crest, trough, in order to ensure thickness of the corrugated gasket 18 at work (during compressive state),
The upper surface at the center at trough is provided with protrusion, and protrusion is less than wave crest.It ensure that the thickness of corrugated gasket 18.
Electromagnetic drive part includes coil 11 and the secured core 10, spring 12, movable core 13, the ring that set from top to bottom
Shape iron core 15, movable core 13 are arranged between secured core 10 and annular core 15, spring 12 be arranged on secured core 10 with
Between movable core 13, through annular core 15, coil 11 is arranged on secured core 10, annular core for the lower end of movable core 13
15 outside, movable core 13 are located in coil 11, and seal assembly is located at the bottom of movable core 13.Wherein, seal assembly bag
Isolation diaphragm 14 and sealing element 16 are included, the upper end of isolation diaphragm 14 is screwed into 13 bottom of movable core, the lower end of isolation diaphragm 14
Movable core 13 is protruded, sealing element 16 is arranged between valve body 17 and isolation diaphragm 14, the top surface and isolation film of sealing element 16
The bottom clamping of piece 14, sealing element 16 is using Viton, EPDM rubber or FPM rubber.
Embodiment of above is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is carried out, and can not limit the scope of protection of the utility model with this, all
According to the equivalent change or modification that the utility model Spirit Essence is done, should all cover within the protection scope of the present utility model.
Claims (8)
1. it is a kind of to prevent the solenoid valve of External leakage, including valve body (17), electromagnetic drive part, seal assembly, the sealing
Component is arranged on valve body (17) between electromagnetic drive part, and the valve body (17) is fixed by screws with electromagnetic drive part,
The bottom of the valve body (17) is provided with fixing piece (20), it is characterised in that：It is set between the valve body (17) and fixing piece (20)
Corrugated gasket (18), flat shim (19) are equipped with, the corrugated gasket (18) is located at the lower section of flat shim (19).
It is 2. according to claim 1 preventing the solenoid valve of External leakage, it is characterised in that：On the fixing piece (20)
Step (21) is provided at the center of end face, the lower face of the valve body (17) is provided with a circle groove, the groove and step
(21) the annular installation cavity of corresponding up and down and formation, the annular installation cavity are set along the edge of step (21), the corrugated gasket
(18) and flat shim (19) is arranged in annular installation cavity.
It is 3. according to claim 1 preventing the solenoid valve of External leakage, it is characterised in that：The corrugated gasket (18)
With wave crest, trough, the upper surface at the center at the trough is provided with protrusion, and the protrusion is less than wave crest.
It is 4. according to claim 1 preventing the solenoid valve of External leakage, it is characterised in that：The electromagnetic drive part bag
Secured core (10), spring (12), movable core (13), the annular core (15) for including coil (11) and setting from top to bottom,
The movable core (13) is arranged between secured core (10) and annular core (15), and the spring (12) is arranged on fixed iron
Between core (10) and movable core (13), the lower end of the movable core (13) passes through annular core (15), the coil (11)
Secured core (10), the outside of annular core (15) are arranged on, the movable core (13) is located in coil (11), the sealing
Component is located at the bottom of movable core (13).
It is 5. according to claim 4 preventing the solenoid valve of External leakage, it is characterised in that：The seal assembly includes
Isolation diaphragm (14) and sealing element (16), the upper end of the isolation diaphragm (14) are screwed into movable core (13) bottom, it is described every
Lower end protrusion movable core (13) from diaphragm (14), the sealing element (16) be arranged on valve body (17) and isolation diaphragm (14) it
Between, the top surface of the sealing element (16) is clamped with the bottom of isolation diaphragm (14).
It is 6. according to claim 5 preventing the solenoid valve of External leakage, it is characterised in that：The sealing element (16) is adopted
With Viton, EPDM rubber or FPM rubber.
It is 7. according to claim 1 preventing the solenoid valve of External leakage, it is characterised in that：The valve body (17) and liquid
The part of body contact is anticorrosion material.
It is 8. according to claim 7 preventing the solenoid valve of External leakage, it is characterised in that：The anticorrosion material is
Anti-corrosion resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563074.1U CN207437890U (en) | 2017-11-21 | 2017-11-21 | To prevent the solenoid valve of External leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563074.1U CN207437890U (en) | 2017-11-21 | 2017-11-21 | To prevent the solenoid valve of External leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437890U true CN207437890U (en) | 2018-06-01 |
Family
ID=62287080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721563074.1U Expired - Fee Related CN207437890U (en) | 2017-11-21 | 2017-11-21 | To prevent the solenoid valve of External leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437890U (en) |
-
2017
- 2017-11-21 CN CN201721563074.1U patent/CN207437890U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |