CN209587289U - A kind of solenoid valve dust preventing component - Google Patents
A kind of solenoid valve dust preventing component Download PDFInfo
- Publication number
- CN209587289U CN209587289U CN201822039686.1U CN201822039686U CN209587289U CN 209587289 U CN209587289 U CN 209587289U CN 201822039686 U CN201822039686 U CN 201822039686U CN 209587289 U CN209587289 U CN 209587289U
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- CN
- China
- Prior art keywords
- dust
- solenoid valve
- guiding channel
- flow
- gas vent
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- 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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Abstract
The utility model discloses a kind of solenoid valve dust preventing components, belong to Solenoid Valve Technology field, it specifically includes: dust shroud and dust plug, flow-guiding channel is equipped in the dust shroud, the flow-guiding channel connection atmosphere and gas vent, the flow-guiding channel include lateral flow-guiding channel and vertical flow-guiding channel, and the dust plug is set to the intersection of lateral flow-guiding channel and vertical flow-guiding channel, the diameter of the dust plug is greater than the diameter of gas vent, and the dust shroud is threadedly coupled with solenoid valve；The utility model is simple and reasonable, with preferable dustproof effect, gas vent is blocked or opened by displacement of the dust plug under solenoid valve and ambient atmos pressure change, solenoid valve normal work is not influenced, it can effectively avoid impurity, dust in atmosphere etc. to enter solenoid valve again, the service life of solenoid valve can be extended.
Description
Technical field
The utility model relates to Solenoid Valve Technology field, in particular to a kind of solenoid valve dust preventing component.
Background technique
Solenoid valve is electromagnetically controlled industrial equipment, for a kind of actuator that can be rapidly opened and closed, is used in Industry Control system
Direction, flow, speed and the other parameters of medium are adjusted in system；It is expected to realize that solenoid valve can cooperate different circuits
Control；Its working principle is that: when energization, electromagnetic coil generates electromagnetic force and closure member is lifted from valve seat, and valve is opened；Power-off
When, electromagnetic force disappears, and reset spring is pressed in closure member on valve seat, and valve is closed；This solenoid valve is after valve closing, valve chamber
Generally remain compressed gas, need to separately be arranged gas vent discharge residual gas, however gas vent all be connection atmosphere, it is exposed
Outside valve body, under long-term placement, a large amount of dusts can be entered in valve chamber by gas vent, and magnetic valve performance is caused to decline；And electromagnetism
For valve after continuous perseveration, valve chamber easily forms negative pressure, at this point, outside air easily enters in valve body from by gas vent, in turn
Bring impurity, the steam etc. in air into, especially in the biggish working environment of dust, dust leads to electromagnetism to the erosion of solenoid valve
Valve plunger and spool card resistance akinesia, increase the failure rate of solenoid valve, reduce the working efficiency of solenoid valve.
Utility model content
The purpose of this utility model is to provide a kind of solenoid valve dust preventing components, by dust plug in solenoid valve and extraneous gas
Displacement under body pressure change blocks or opens gas vent, i.e., does not influence solenoid valve normal work, and can effectively avoid atmosphere
In impurity, dust etc. enter solenoid valve, the service life of solenoid valve can be extended.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of solenoid valve dust preventing component, including dust shroud and dust plug, the dust shroud is interior to be equipped with flow-guiding channel, institute
Flow-guiding channel connection atmosphere and gas vent are stated, the flow-guiding channel includes lateral flow-guiding channel and vertical flow-guiding channel, described anti-
Dirt plug is set to the intersection of lateral flow-guiding channel and vertical flow-guiding channel, and the diameter of the dust plug is greater than the diameter of gas vent,
The dust shroud is threadedly coupled with solenoid valve.
Further, the dust plug includes dust-proof cushion and guide rod, and formation is T-shaped, and the guide rod protrudes into described perpendicular
To flow-guiding channel.
Further, the dust-proof cushion is made of light elastic material.
Further, the dust plug is made of fluorubber or ethylene propylene diene rubber or silastic material.
Further, the guide rod is made of rigid plastics.
Further, the diameter of the vertical flow-guiding channel is less than the diameter of gas vent.
Further, it is equipped with interior step at the top of the vertical flow-guiding channel, the dust-proof cushion is held on interior step.
The beneficial effects of the utility model are:
1, the utility model is simple and reasonable, has preferable dustproof effect, the exposed gas vent of solenoid valve is arranged in
Outside, when solenoid valve vents, dust plug is influenced by internal pressure and is floated, and flow-guiding channel is opened, and gas is arranged via flow-guiding channel
Out, air-flow is unobstructed, does not influence to work normally；When solenoid valve vents mouth is not vented, inner and outer air pressure is consistent, and dust plug is in itself weight
Power effect is lower to fall, and blocks gas vent, blocks dust drops into inside solenoid valve；When occur valve chamber be negative pressure abnormal conditions
When, atmosphere enters via flow-guiding channel, makes dust plug by atmospheric pressure, is close to vertical flow-guiding channel, so that seal vents, have
Effect reduces dust, impurity enters solenoid valve, reduces the probability of solenoid valve failure, increases safety to equipment operation, into
And extend the service life of solenoid valve.
2, the dust-proof cushion of the utility model is that light elastic material is made, guide rod is made of rigid plastics, is formd
The structure of light lower weight, is conducive to dust-proof cushion stable suspersion under pneumatic pressure, and when no pressure difference, under guide rod self gravitation effect
It falls, to block gas vent, secondly rigid plastics has the absorbability of excellent shock and vibration energy in use can
Reduce the breakage of dust-proof cushion.
3, the diameter of the vertical flow-guiding channel of the utility model is less than the diameter of gas vent, and from gas vent to vertical water conservancy diversion
Channel, gas flow is constant, to increase the pressure difference up and down of dust-proof cushion, can make the more rapid floating of dust-proof cushion and open exhaust
Hole.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the solenoid valve dust preventing component of the utility model；
Fig. 2 is the structural schematic diagram when solenoid valve dust preventing component of the utility model uses；
In figure, 1, dust cover；11, dust shroud；12, flow-guiding channel；121, lateral flow-guiding channel；122, vertical water conservancy diversion is logical
Road；2, dust plug；21, dust-proof cushion；22, guide rod；3, solenoid valve；31, coil case；32, coil block；33, valve body；34,
Dynamic iron core；35, static iron core；351, gas vent；36, reset spring；37, sealing element.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete
Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, fall within the protection scope of the utility model.
Solenoid valve dust preventing component provided by the utility model is shown as shown in Fig. 1~2, in figure to be applied in solenoid valve 3,
The solenoid valve 3 includes coil case 31, coil block 32, valve body 33, dynamic iron core 34, static iron core 35, reset spring 36 and sealing
Part 37, the coil block 32 is set in coil case 31 to be connected with external power supply, and the sliding of driving dynamic iron core 34, described when energization
Valve body 33 is equipped with a valve chamber, has medium flow channel, medium flow pass and connection medium flow channel in the valve chamber
With the valve port of medium flow pass, the 34 activity cooperation of dynamic iron core is under the centre of coil block 32, the dynamic iron core 34
End is equipped with sealing element 37, and sealing element 37 is arranged with the mobile opening of dynamic iron core 34 or closing valve port, 34 lower end outside of dynamic iron core
There is reset spring 36, the upper and lower side of the reset spring 36 abuts coil case 31 and sealing element 37, the static iron core 35 respectively
For hollow tubular structure, gas vent 351 is formed, the gas vent 351 is connected to valve chamber and the external world, wherein medium flow channel is situated between
The valve port and gas vent 351 of matter flow pass and connection medium flow channel and medium flow pass are used for logical in solenoid valve 3
Gas exchanges are carried out when electric.Under original state, coil block 32, which is not powered, does not generate magnetic force, in the effect of reset spring 36
Under, sealing element 37 blocks valve port, and when the coil is energized, solenoid valve 3 starts, and dynamic iron core 34 is upward under the magnetic attraction of static iron core 35
Mobile, sealing element 37 moves up opening valve port, and medium (such as gas) can enter medium flow pass from medium flow channel.
Dust cover 1 provided by the utility model is set to outside the static iron core 35.
Embodiment
As shown in Figure 1, a kind of solenoid valve dust preventing component, including dust shroud 1 and dust plug 2, set in the dust shroud 1
There is flow-guiding channel 12, the flow-guiding channel 12 is connected to atmosphere and gas vent 351, and the flow-guiding channel 12 includes lateral flow-guiding channel
121 and vertical flow-guiding channel 122, the dust plug 2 is set to the intersection of lateral flow-guiding channel 121 and vertical flow-guiding channel 122,
The diameter of the dust plug 2 is greater than the diameter of gas vent 351, and the dust shroud 1 is threadedly coupled with solenoid valve 3.
In use, passing through the screw thread of 1 inner sidewall of dust shroud and the external screw thread phase being set on 3 static iron core 35 of solenoid valve
Match, so that solenoid valve dust preventing component is mounted on solenoid valve 3, when solenoid valve 3 is vented, 351 internal pressure of gas vent is powerful in big
Air pressure, dust plug 2 are influenced by internal pressure and are floated, and flow-guiding channel 12 is opened, and gas is discharged via flow-guiding channel 12, until interior
When outer air pressure is consistent, dust plug 2 falls under self gravitation effect, blocks gas vent 351, and blocks dust drops into solenoid valve 3
It is internal；When there are abnormal conditions that valve chamber is negative pressure, atmosphere enters via flow-guiding channel 12, makes dust plug 2 by atmospheric pressure,
It is close to vertical flow-guiding channel 122, thus seal vents 351, effectively reduces dust, impurity enters solenoid valve 3, reduce electricity
The probability of 3 failure of magnet valve increases safety to equipment operation.Dust shroud 1 is detachably connected with solenoid valve 3 by screw thread,
It is easily installed and replaces.
In the present embodiment, the dust plug 2 includes dust-proof cushion 21 and guide rod 22, and formation is T-shaped, and the guide rod 22 is stretched
Enter the vertical flow-guiding channel 122.Guide rod 22 can play guiding function during dust-proof cushion 21 floats up and down, and prevent dust-proof
Pad 21 sideslips.
In the present embodiment, the dust-proof cushion 21 is made of light elastic material.Light elastic material has biggish elasticity,
Good pressure compensation effect can be played, is prone to deformation under air pressure change preferably to block or open gas vent 351.
Preferably, the dust plug 2 by the wear resistant corrosion resistants such as fluorubber or ethylene propylene diene rubber or silastic material and has both elasticity
Material is made.
In the present embodiment, the guide rod 22 is made of rigid plastics.It is initially formed the structure of lightness sensation in the upper and heaviness in the lower, is conducive to prevent
The stable suspersion under pneumatic pressure of dirt pad 21, and when no pressure difference, it is fallen under 22 self gravitation effect of guide rod, to block gas vent
351, secondly there is rigid plastics the absorbability of excellent shock and vibration energy can reduce dust-proof cushion 21 in use
It is damaged.
In the present embodiment, the diameter of the vertical flow-guiding channel 122 is less than the diameter of gas vent 351.From gas vent 351 to
Vertical flow-guiding channel 122, gas flow is constant, and the flow velocity of gas is low in gas vent 351, and pressure is big；And it is logical in vertical water conservancy diversion
The flow velocity of gas is high in road 122, and pressure is small, therefore increases the pressure difference up and down of dust-proof cushion 21, and dust-proof cushion 21 can be made more rapid
It floats and opens gas vent 351.
In the present embodiment, interior step is equipped at the top of the vertical flow-guiding channel 122, the dust-proof cushion 21 is held on interior step
On.
Claims (7)
1. a kind of solenoid valve dust preventing component, which is characterized in that including dust shroud (1) and dust plug (2), the dust shroud
(1) flow-guiding channel (12) are equipped in, flow-guiding channel (12) the connection atmosphere and gas vent (351), the flow-guiding channel (12)
Including lateral flow-guiding channel (121) and vertical flow-guiding channel (122), the dust plug (2) be set to lateral flow-guiding channel (121) and
The intersection of vertical flow-guiding channel (122), the diameter of the dust plug (2) are greater than the diameter of gas vent (351), the dust cover
Lid (1) is threadedly coupled with solenoid valve (3).
2. solenoid valve dust preventing component as described in claim 1, which is characterized in that the dust plug (2) includes dust-proof cushion (21)
With guide rod (22), formation is T-shaped, and the guide rod (22) protrudes into the vertical flow-guiding channel (122).
3. solenoid valve dust preventing component as claimed in claim 2, which is characterized in that the dust-proof cushion (21) is light elastic material
It is made.
4. solenoid valve dust preventing component as claimed in claim 3, which is characterized in that the dust plug (2) is by fluorubber or ternary
EP rubbers or silastic material are made.
5. solenoid valve dust preventing component as claimed in claim 2, which is characterized in that the guide rod (22) is by rigid plastics system
At.
6. solenoid valve dust preventing component as described in claim 1, which is characterized in that the diameter of the vertical flow-guiding channel (122)
Less than the diameter of gas vent (351).
7. solenoid valve dust preventing component as claimed in claim 2, which is characterized in that set at the top of the vertical flow-guiding channel (122)
There is interior step, the dust-proof cushion (21) is held on interior step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039686.1U CN209587289U (en) | 2018-12-04 | 2018-12-04 | A kind of solenoid valve dust preventing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039686.1U CN209587289U (en) | 2018-12-04 | 2018-12-04 | A kind of solenoid valve dust preventing component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587289U true CN209587289U (en) | 2019-11-05 |
Family
ID=68349688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822039686.1U Expired - Fee Related CN209587289U (en) | 2018-12-04 | 2018-12-04 | A kind of solenoid valve dust preventing component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587289U (en) |
-
2018
- 2018-12-04 CN CN201822039686.1U patent/CN209587289U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20201204 |