CN202927149U - Permanent magnet check valve - Google Patents
Permanent magnet check valve Download PDFInfo
- Publication number
- CN202927149U CN202927149U CN 201120562187 CN201120562187U CN202927149U CN 202927149 U CN202927149 U CN 202927149U CN 201120562187 CN201120562187 CN 201120562187 CN 201120562187 U CN201120562187 U CN 201120562187U CN 202927149 U CN202927149 U CN 202927149U
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- CN
- China
- Prior art keywords
- valve
- spool
- air outlet
- suction port
- positioning disk
- 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
A permanent magnet check valve comprises a valve body with an air inlet, an air outlet and a valve chamber, an air inlet guide tray arranged in the valve body, an air outlet guide tray arranged in the valve body and a valve core arranged in the valve chamber, wherein a valve core embedding permanent magnet is arranged in the valve core, and an air inlet guide tray embedding permanent magnet is arranged in the air inlet guide tray. The distance between the air inlet guide tray and the valve core under the condition that the valve is closed can be adjusted through screw threads so that the adjustment of magnetic force is achieved, and the distance between the air outlet guide tray and the valve core under the condition that the valve is closed can be adjusted through screw threads so that the adjustment of the maximum open degree of the valve is achieved. A protruding ring faces the vale core is arranged on the edge of a through hole in the middle of the valve chamber and embedded in the valve core through the action of the magnetic force under the condition that the valve is closed, and thus a good sealing function is achieved. The defects that a spring is prone to fatiguing and an electromagnetic coil needs electricity are overcome, reliability is high, responsive time is short, installation is simple, and application range is wide.
Description
Technical field
The utility model relates to pneumatic control component, and particularly a kind of permanent magnetism that utilizes produces magnetic force with the gas check valve of spool precompressed.
Background technique
In the pneumatic control occasion, often can use safety check to prevent gas backstreaming, such as the oxygen system of the rescue capsule under the mine, the oxygen of cleaning need to be offered the personnel in the rescue capsule, and will guarantee reliably that gas does not reflux, in order to avoid pollute source of oxygen.Need provides a precompressed to the spool of safety check for this reason, and the pressure that only has source of the gas is during greater than a certain value of rescue capsule internal pressure, and spool just is open, otherwise spool is airtight with valve body under the effect of precompression.The method that provides precompressed to take to safety check is at present normally utilized spring, and perhaps by electromagnetic coil, perhaps both are in conjunction with providing.In the oxygen system of rescue capsule, need to open and close frequently safety check, spring produces fatigue failure easily at high-intensity repeated action.It is long that the active force that electromagnetic coil produces is stablized the life-span, but in the colliery that much need to use rescue capsule, do not allow electricity consumption in rescue capsule, and the solenoid check valve cost is higher on the other hand.
Summary of the invention
The purpose of this utility model is to provide a kind of permanent magnetism safety check, with the reliability of raising safety check fast opening and closing performance and frequent effect, and makes it install simply, be convenient to promote.
Scheme of the present utility model is: the utility model comprises a valve body with suction port, air outlet and valve chamber, be arranged on the suction port positioning disk of suction port in the valve body, be arranged on the air outlet positioning disk of air outlet in the valve body, be arranged on the spool in the valve chamber, wherein in spool, be provided with spool mosaic magnet, in the suction port positioning disk, be provided with suction port positioning disk mosaic magnet.
Suction port is threaded with the suction port positioning disk, the air outlet is threaded with the air outlet positioning disk, can pass through threaded adjusting suction port positioning disk and the distance of spool under the valve closed state, realize the adjusting of magnetic force size, the distance under the valve closed state by threaded adjusting air outlet positioning disk and spool realizes the adjusting of the maximum opening degree of valve.
The intermediate throughholes diameter of valve chamber is less than the diameter of spool, and the intermediate throughholes edge of valve chamber is provided with the protruding ring towards spool, and spool will be embedded by this protruding ring under magnetic force when suction port pressure is not more than air outlet pressure, plays good airtight effect.
The beneficial effects of the utility model are: owing to utilize permanent magnetism that the spool precompressed is provided, the fatiguability of spring and the deficiency that electromagnetic coil needs electricity consumption have been overcome, cost is also low than solenoid check valve simultaneously, its reliability is high, response time is short, can realize fast opening and closing, can pass through threaded adjusting positioning disk and the distance of spool under the valve closed state in addition, realize the adjusting of magnetic force size and maximum opening degree, install simple, applied widely.
Description of drawings
The utility model is described in further detail with embodiment with reference to the accompanying drawings for the below
Fig. 1 is the cross-sectional view of the utility model mode of execution one closed condition
Fig. 2 is the cross-sectional view of the utility model mode of execution one opening state
Fig. 3 is the cross-sectional view of the utility model mode of execution two closed conditions
Fig. 4 is the cross-sectional view of the utility model mode of execution two opening states
Among the figure, 1, valve body, 2, spool, 3, the suction port positioning disk, 4, the air outlet positioning disk, 5, spool mosaic magnet, 6, suction port positioning disk mosaic magnet, 1-1, protruding ring, 1-2, suction port, 1-3, air outlet, 1-4, valve chamber, 1-A, valve body male, 1-B, valve body female.
Embodiment
Mode of execution one, as shown in Figure 1, the utility model comprises an integral valve body 1 with suction port 1-2, air outlet 1-3 and valve chamber 1-4, be arranged on the suction port positioning disk 3 of valve body 1 interior suction port 1-2, be arranged on the air outlet positioning disk 4 of valve body 1 interior air outlet 1-3, be arranged on the spool 2 in the valve chamber 1-4, wherein in spool 2, be provided with spool mosaic magnet 5, in suction port positioning disk 3, be provided with suction port positioning disk mosaic magnet 6.
Suction port 1-2 is threaded with suction port positioning disk 3, air outlet 1-3 is threaded with air outlet positioning disk 4, can be by threaded adjusting suction port positioning disk 3 and the distance of spool 2 under the valve closed state, realize the adjusting of magnetic force size, by threaded adjusting air outlet positioning disk 4 and the distance of spool 2 under the valve closed state, realize the adjusting of the maximum opening degree of valve.
The intermediate throughholes diameter of valve chamber 1-4 is less than the diameter of spool 2, the intermediate throughholes edge of valve chamber 1-4 is provided with the protruding ring 1-1 towards spool 2, spool 2 will be embedded by this protruding ring 1-1 under magnetic force when suction port 1-2 pressure is not more than air outlet 1-3 pressure, play good airtight effect.
Suction port 1-2 is connected separately, and the screw thread that has more in the positioning disk outside is used for being connected with the extraneous gas pipeline with air outlet 1-3.
Spool 2 will be embedded by this protruding ring 1-1 under the magnetic force of spool mosaic magnet 5 and suction port positioning disk mosaic magnet 6 when suction port 1-2 pressure equals air outlet 1-3 pressure, play good airtight effect.The spool 2 of this moment is to provide precompressed by permanent magnet with the pressure of protruding ring 1-1.
As shown in Figure 2, when suction port 1-2 has gas flow fashionable, gas enters valve chamber 1-4 by some circumferential through-hole of suction port positioning disk 3, during precompressed that the pressure that the draught head that produces as suction port 1-2 and air outlet 1-3 provides provides greater than permanent magnet, spool 2 is pushed to air outlet positioning disk 4, and spool 2 is open, and gas enters air outlet one side of valve chamber 1-4, some circumferential through-hole via air outlet positioning disk 4 enter air outlet 1-3, realize the circulation of gas.
As shown in Figure 1, when the pressure that the draught head that produces as suction port 1-2 and air outlet 1-3 provides was not more than the precompressed that permanent magnet provides, spool 2 cooperates with protruding ring 1-1 under magnetic force closed valve.Perhaps when air outlet 1-3 air pressure during greater than suction port 1-2 air pressure, at magnetic force with in the same way under the gas pressure effect, spool 2 will cooperate with protruding ring 1-1, make tighter that valve cuts out.
Mode of execution two
As shown in Figure 3, Figure 4, present embodiment and mode of execution one difference are that valve body 1 is threaded connection by valve body male 1-A and valve body female 1-B and forms, and make split typely, its objective is the processing of being convenient to protruding ring 1-1 when the processing baby check valve.
As shown in Figure 3, Figure 4, present embodiment and mode of execution one difference are, spool mosaic magnet 5 in the middle of the spool 2 extends to valve chamber 1-4, the 6 valve chamber 1-4 of suction port positioning disk mosaic magnet in the middle of the suction port positioning disk 3 extend, its objective is in split type valve body 1, so that the permanent magnet distance is nearer, effectively utilize magnetic force, mode of execution one can add man-hour by shortening the length of valve chamber 1-4, increase the suction port height of thread, by regulating suction port positioning disk 3, so that the permanent magnet distance is nearer, effectively utilize magnetic force.
Other implementing procedures are with mode of execution one.
Comprehensive mode of execution one and mode of execution two, valve body (1) can be designed to integral type also can be designed to the split formula; Spool mosaic magnet (5) can be designed to be embedded in spool (2) and also can be designed to all around be embedded in the middle of the spool (2); Spool mosaic magnet (5) and suction port positioning disk mosaic magnet (6) can be designed to not extend to valve chamber spool (1-4) also can be designed to extend to valve chamber spool (1-4).
The utility model utilizes permanent magnetism to provide spool 2 precompressed, the fatiguability of spring and the deficiency that electromagnetic coil needs electricity consumption have been overcome, cost is also low than solenoid check valve simultaneously, its reliability is high, response time is short, can realize fast opening and closing, can by regulating the distance of suction port positioning disk 3 and protruding ring 1-1, realize the adjusting of precompressed size.Install simple, applied widely.
Claims (3)
1. permanent magnetism safety check, comprise that has a suction port (1-2), the valve body (1) of air outlet (1-3) and valve chamber (1-4), be arranged on the suction port positioning disk (3) of the interior suction port of valve body (1) (1-2), be arranged on the air outlet positioning disk (4) of the interior air outlet of valve body (1) (1-3), be arranged on the spool (2) in the valve chamber (1-4), it is characterized in that: in spool (2), be provided with spool mosaic magnet (5), in suction port positioning disk (3), be provided with suction port positioning disk mosaic magnet (6).
2. permanent magnetism safety check according to claim 1, it is characterized in that: suction port (1-2) is threaded with suction port positioning disk (3), air outlet (1-3) is threaded with air outlet positioning disk (4).
3. permanent magnetism safety check according to claim 1, it is characterized in that: the intermediate throughholes diameter of valve chamber (1-4) is less than the diameter of spool (2), and the intermediate throughholes edge of valve chamber (1-4) is provided with the protruding ring (1-1) towards spool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120562187 CN202927149U (en) | 2011-12-02 | 2011-12-02 | Permanent magnet check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120562187 CN202927149U (en) | 2011-12-02 | 2011-12-02 | Permanent magnet check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927149U true CN202927149U (en) | 2013-05-08 |
Family
ID=48217109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120562187 Expired - Fee Related CN202927149U (en) | 2011-12-02 | 2011-12-02 | Permanent magnet check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606249A (en) * | 2017-09-19 | 2018-01-19 | 南京润泽流体控制设备有限公司 | Check valve |
| CN110805737A (en) * | 2019-11-28 | 2020-02-18 | 河南航天液压气动技术有限公司 | Control valve |
| CN112128429A (en) * | 2020-09-30 | 2020-12-25 | 浙江理工大学 | Check ball valve |
-
2011
- 2011-12-02 CN CN 201120562187 patent/CN202927149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606249A (en) * | 2017-09-19 | 2018-01-19 | 南京润泽流体控制设备有限公司 | Check valve |
| CN110805737A (en) * | 2019-11-28 | 2020-02-18 | 河南航天液压气动技术有限公司 | Control valve |
| CN112128429A (en) * | 2020-09-30 | 2020-12-25 | 浙江理工大学 | Check ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141202 |
|
| EXPY | Termination of patent right or utility model |