CN210068989U - Valve core of vacuum valve and vacuum electromagnetic valve with valve core - Google Patents
Valve core of vacuum valve and vacuum electromagnetic valve with valve core Download PDFInfo
- Publication number
- CN210068989U CN210068989U CN201920346369.6U CN201920346369U CN210068989U CN 210068989 U CN210068989 U CN 210068989U CN 201920346369 U CN201920346369 U CN 201920346369U CN 210068989 U CN210068989 U CN 210068989U
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- Prior art keywords
- valve
- core
- vacuum
- valve core
- disc
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- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007779 soft material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000003245 working effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a valve core of a vacuum valve and a vacuum solenoid valve with the valve core, which comprises a valve core cylinder, a core disc and a limiting disc which surround the valve core cylinder, and a spring which is sleeved outside the valve core cylinder; the valve core column body comprises a ventilation part and a rear end part, the core disc surrounds between the ventilation part and the rear end part, and the limiting disc surrounds at the rear end part; the core disc is provided with a plurality of first vent holes communicated with the vent cavities; the inner diameter of the spring is larger than the outer diameter of the limiting disc and smaller than the outer diameter of the core disc. The utility model discloses a solenoid valve case structure compares with original case, and its solenoid valve case is more favourable to the support of case, slides in keeping away from the casing of air inlet originally and changes into its slip in whole casing, increases the support area, makes the working property of solenoid valve more stable, can not focus unstability and make the slip of case in the casing cause the deviation.
Description
Technical Field
The utility model relates to a vacuum valve field, concretely relates to vacuum valve case and have vacuum solenoid valve of its case.
Background
The solenoid valves are automatic basic elements for controlling fluid, belong to actuators, are not limited to hydraulic pressure and pneumatic pressure, and different solenoid valves function at different positions of a control system, and are most commonly check valves, safety valves, direction control valves and speed regulating valves.
At present, the most commonly used solenoid valve is like direct action solenoid valve, and its principle is that block up the gas inlet through the electro-magnet direct control case and control gaseous flow direction, and the design that slides is often carried out to its one end of keeping away from the gas inlet in solenoid valve case to this kind of solenoid valve case, can cause the slip poor and lead to gas leakage when practical application, moreover because the valve can carry out placing of different angles in the use at ordinary times, because the focus is unstable, the condition of slip deviation can appear more.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a vacuum valve case and have vacuum solenoid valve of its case.
The specific technical scheme is as follows:
a valve core of a vacuum valve is characterized by comprising a valve core cylinder, a core disc and a limiting disc which surround the valve core cylinder, and a spring sleeved outside the valve core cylinder;
the valve core column body comprises a ventilation part and a rear end part, the core disc surrounds between the ventilation part and the rear end part, and the limiting disc surrounds at the rear end part;
the core disc is provided with a plurality of first vent holes communicated with the vent cavities;
the inner diameter of the spring is larger than the outer diameter of the limiting disc and smaller than the outer diameter of the core disc.
In the above technical scheme, the core disc comprises a spring limiting part, and the outer diameter of the spring limiting part is larger than that of the elastic part.
In the above technical solution, the outer diameter of the rear end portion is smaller than the outer diameter of the vent portion.
In the technical scheme, the rear end part is provided with a buffer cavity and a second vent hole for communicating the buffer cavity with the outside.
In the technical scheme, the valve core is made of hard materials which can be attracted by magnets.
A vacuum solenoid valve comprises a solenoid valve housing, an electromagnetic part and the vacuum valve spool arranged on the solenoid valve housing;
the electromagnetic valve shell is provided with a valve core cavity, an air inlet and an air exhaust hole which are communicated with the valve core cavity, an air sealing ring which is arranged in the valve core cavity and matched with the core disc, and a limiting ring which is arranged in the valve core cavity and matched with the limiting disc;
the valve core of the vacuum valve can slide in the cavity of the valve core, and the air inlet hole is communicated with the ventilation cavity.
In the above technical scheme, the electromagnetic part comprises an electromagnet arranged at the tail end of the cavity of the valve core and a power-on piece connected with the electromagnet.
In the above technical scheme, the air seal ring is provided with a soft material gasket.
Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model discloses a solenoid valve case structure compares with original case, and its solenoid valve case is more favourable to the support of case, slides in keeping away from the original casing of air inlet and changes into its slip in whole casing, increases the support area, makes the working property of solenoid valve more stable, can not focus unstability and make the slip of case in the casing cause the deviation.
Drawings
FIG. 1 is an external view of a valve cartridge of the vacuum valve;
FIG. 2 shows an internal structure of a valve core of a vacuum valve according to an embodiment;
FIG. 3 is a view showing the internal structure of a valve core of a second vacuum valve according to an embodiment;
FIG. 4 is a side view of a valve cartridge of the vacuum valve;
FIG. 5 internal structure of the vacuum solenoid valve when not energized;
FIG. 6 shows the internal structure of the vacuum solenoid valve when energized;
FIG. 7 is a view showing an internal structure of a vacuum solenoid valve case;
FIG. 8 is a top view of the embodiment of the three-vacuum solenoid housing precursor;
FIG. 9 is a middle body view of a three-vacuum solenoid housing according to the embodiment;
wherein, the valve core-A of the vacuum valve, the valve core column-1, the core disc-2, the limiting disc-3 and the spring-4,
the electromagnetic valve comprises a ventilation part-101, a rear end part-102, a ventilation cavity-1011, a first ventilation hole-201, a spring limiting part-202, a buffer cavity-1021, a second ventilation hole-1022, a vacuum electromagnetic valve-B, an electromagnetic valve shell-5, an electromagnetic part-6, a valve core cavity-501, an air inlet-502, an air suction hole-503, an air sealing ring-504, a limiting ring-505, an electromagnet-601, a ventilation part 602 and a soft material gasket-5041.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Example one
Referring to fig. 1 and 2, a valve core a of a vacuum valve includes a valve core cylinder 1, a core disc 2 and a limiting disc 3 surrounding the valve core cylinder, and a spring 4 sleeved outside the valve core cylinder 1;
the valve core cylinder 1 comprises a ventilation part 101 and a rear end part 102, the core disc 2 surrounds between the ventilation part 101 and the rear end part 102, and the limiting disc 3 surrounds the rear end part 102;
the ventilating part 101 is provided with a ventilating cavity 1011, and the core disc 2 is provided with a plurality of first ventilating holes 201 communicated with the ventilating cavity 1011;
the inner diameter of the spring 4 is larger than the outer diameter of the limiting disc 3 and smaller than the outer diameter of the core disc 2.
The core disc 2 comprises a spring limiting part 202, and the outer diameter of the spring limiting part 202 is larger than that of the spring 4.
The rear end portion 102 has an outer diameter smaller than that of the vent portion 101.
The valve core is made of hard material which can be attracted by a magnet.
Example two
Referring to fig. 1 and 2, a valve core a of a vacuum valve includes a valve core cylinder 1, a core disc 2 and a limiting disc 3 surrounding the valve core cylinder, and a spring 4 sleeved outside the valve core cylinder 1;
the valve core cylinder 1 comprises a ventilation part 101 and a rear end part 102, the core disc 2 surrounds between the ventilation part 101 and the rear end part 102, and the limiting disc 3 surrounds the rear end part 102;
the ventilating part 101 is provided with a ventilating cavity 1011, and the core disc 2 is provided with a plurality of first ventilating holes 201 communicated with the ventilating cavity 1011;
the inner diameter of the spring 4 is larger than the outer diameter of the limiting disc 3 and smaller than the outer diameter of the core disc 2.
The core disc 2 comprises a spring limiting part 202, and the outer diameter of the spring limiting part 202 is larger than that of the spring 4.
The rear end portion 102 has an outer diameter smaller than that of the vent portion 101.
The rear end portion 102 is provided with a buffer cavity 1021 and a second air hole 1022 for communicating the buffer cavity 1021 with the outside, the buffer cavity 1021 can prevent negative pressure from being formed in the valve, and when the valve suction hole 503 is connected with the liquid pump, damage to the valve due to liquid suck-back is avoided.
The valve core is made of hard material which can be attracted by a magnet.
EXAMPLE III
A vacuum solenoid valve B comprises a solenoid valve housing 5, an electromagnetic part 6 and a vacuum valve spool A arranged on the solenoid valve housing 5;
the electromagnetic valve shell 5 is provided with a valve core cavity 501, an air inlet 502 and an air suction hole 503 which are communicated with the valve core cavity 501, an air sealing ring 504 which is arranged in the valve core cavity 501 and matched with the core disc 2, and a limiting ring 505 which is arranged in the valve core cavity 501 and matched with the limiting disc 3;
the vacuum valve spool A can slide in the spool cavity 501, and the air inlet hole 502 is communicated with the vent cavity 501.
The electromagnetic part 6 comprises an electromagnet 601 arranged at the tail end of the valve core cavity and an electrifying piece 602 connected with the electromagnet 601.
The air seal ring 504 is provided with a soft material gasket 5041.
The soft material is rubber, the valve core A of the vacuum valve is selected from any one of the first embodiment and the second embodiment according to the use condition, and the first vent hole 201 can be better sealed by selecting the soft material.
The technical solution of the present invention will be further explained with respect to the transfer and use of the valve with the valve body of the embodiment in the GDQ J-16 type:
assembling a valve core A of the vacuum valve: after the spring is compressed, the valve core a of the vacuum valve is installed in a solenoid valve housing 5, such as a GDQJ-16 type valve, the solenoid valve housing 5 includes a vacuum solenoid valve housing front body 5a and a vacuum solenoid valve housing middle body 5b, wherein a gas seal ring 504 and a spacing ring 505 are respectively assembled in the vacuum solenoid valve housing front body 5a and the vacuum solenoid valve housing middle body 5b, a vent hole 7 is opened in a vacuum solenoid valve housing rear body 5c, and the spring is compressed between the gas seal ring and the spacing ring.
As shown in fig. 6, in the case of power-on use, the valve core a of the vacuum valve slides towards the electromagnet, overcomes the spring to work, the core disc 2 is separated from the air seal ring 504, a large gap is formed between the core disc 2 and the cavity 501 of the valve core, the gas in the cavity 501 of the valve core enters the venting cavity 1011 from the first vent hole 201, and then the gas is pumped away by the pump communicated with the pumping hole; meanwhile, the limiting disc 3 is closely attached to the limiting ring 505, and the valve core cavity 501, the second ventilation hole 1022, the buffer cavity 1021 and the air suction hole 503 are closed;
as shown in fig. 5, in case of power failure, the spring is reset, the valve core of the vacuum valve slides towards the direction A away from the electromagnetic valve, the first vent hole 201 is blocked by the air sealing ring 504 and is closely attached to the core disc 2 for adsorption, and the air cannot be drawn out because the air inlet hole 502, the valve core cavity 501, the first vent hole 201, the vent cavity 1011 and the air suction hole 503 are closed; meanwhile, the limiting disc 3 is separated from the limiting ring 505, and the air holes 7, the valve core cavity 501, the second air holes 1022, the buffer cavity 1021 and the air pumping hole 503 are communicated.
The utility model discloses portion 101 and rear end 102 of ventilating all install in case cavity 501, this just is equivalent to bilateral bearing, smooth and easy when having guaranteed the case displacement, steady, reliable, the uniformity when also having guaranteed the case displacement, thereby guaranteed that the valve during operation is sealed tight, reliable, stable, unanimous, and old-fashioned case only has a rear end, installs in the case cavity, equivalent to unilateral support, so the displacement sometimes not very smooth and easy, reliable, stable, the uniformity is poor, good time difference of sealing;
the gas enters the venting cavity 1011 through the first vent hole 201, and the venting cavity is arranged at the central hole of the valve core axis, so that the manufacturing process is simple, and the traditional valve is used for feeding gas from the outside of the valve body and is not arranged at the valve core axis;
the utility model discloses the valve can horizontal installation, and perpendicular installation, and various inclination installation, can both guarantee that the result of use is good, and traditional valve result of use is relatively poor when inclination installs.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A valve core of a vacuum valve is characterized by comprising a valve core cylinder, a core disc and a limiting disc which surround the valve core cylinder, and a spring sleeved outside the valve core cylinder;
the valve core column body comprises a ventilation part and a rear end part, the core disc surrounds between the ventilation part and the rear end part, and the limiting disc surrounds at the rear end part;
the core disc is provided with a plurality of first vent holes communicated with the vent cavities;
the inner diameter of the spring is larger than the outer diameter of the limiting disc and smaller than the outer diameter of the core disc.
2. The vacuum valve spool according to claim 1 wherein the spool plate includes a spring stop portion having an outer diameter greater than the spring diameter.
3. The vacuum valve cartridge of claim 1, wherein the rear end portion outer diameter is smaller than the vent portion outer diameter.
4. The valve core of the vacuum valve as claimed in claim 1, wherein the rear end portion is provided with a buffer cavity and a second vent hole for communicating the buffer cavity with the outside.
5. The vacuum valve cartridge according to claim 1, wherein the cartridge is made of a hard material that is magnetically attractable.
6. A vacuum solenoid valve, characterized in that the vacuum solenoid valve comprises a solenoid valve housing, a solenoid part and a vacuum valve spool according to any one of claims 1 to 5 mounted on the solenoid valve housing;
the electromagnetic valve shell is provided with a valve core cavity, an air inlet and an air exhaust hole which are communicated with the valve core cavity, an air sealing ring which is arranged in the valve core cavity and matched with the core disc, and a limiting ring which is arranged in the valve core cavity and matched with the limiting disc;
the valve core of the vacuum valve can slide in the cavity of the valve core, and the air inlet hole is communicated with the ventilation cavity.
7. The vacuum solenoid valve according to claim 6, wherein the solenoid portion comprises an electromagnet disposed at the rear end of the valve core cavity and a power-on member connected to the electromagnet.
8. A vacuum solenoid according to claim 6 wherein said air seal ring is provided with a soft material gasket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920346369.6U CN210068989U (en) | 2019-03-19 | 2019-03-19 | Valve core of vacuum valve and vacuum electromagnetic valve with valve core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920346369.6U CN210068989U (en) | 2019-03-19 | 2019-03-19 | Valve core of vacuum valve and vacuum electromagnetic valve with valve core |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210068989U true CN210068989U (en) | 2020-02-14 |
Family
ID=69433705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920346369.6U Expired - Fee Related CN210068989U (en) | 2019-03-19 | 2019-03-19 | Valve core of vacuum valve and vacuum electromagnetic valve with valve core |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210068989U (en) |
-
2019
- 2019-03-19 CN CN201920346369.6U patent/CN210068989U/en not_active Expired - Fee Related
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Legal Events
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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: 20200214 |