CN102011873A - Anti-theft magnetic locking-type valve - Google Patents
Anti-theft magnetic locking-type valve Download PDFInfo
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- CN102011873A CN102011873A CN2009101526329A CN200910152632A CN102011873A CN 102011873 A CN102011873 A CN 102011873A CN 2009101526329 A CN2009101526329 A CN 2009101526329A CN 200910152632 A CN200910152632 A CN 200910152632A CN 102011873 A CN102011873 A CN 102011873A
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- key assembly
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- magnetic element
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Abstract
The invention relates to an anti-theft magnetic locking-type valve which comprises a valve main body and a magnetic control mechanism for controlling the valve, wherein the valve main body consists of a valve body, a valve plug, a valve rod, a valve cover and a pressure cover. The anti-theft magnetic locking-type valve is characterized in that the magnetic control mechanism comprises a valve cover, a pressure cover and a key assembly, wherein the valve cover is connected to the valve body, the upper end face of the valve cover is provided with at least one pin hole, a spring and a shearing pin are sequentially placed in the pin holes; the pressure cover is sleeved on the valve cover and connected with the valve rod, the lower end face of the pressure cover is correspondingly provided with a limit hole matched with the shearing pin, a magnetic element is placed in the limit hole; the key assembly is sleeved on the pressure cover and is detachably connected with the pressure cover, an operating part operated by people is arranged on the key assembly, and a magnetic element is placed in the key assembly and corresponds to the magnetic element in the pressure cover; and when the key assembly is sleeved on the pressure cover, the magnetic element on the pressure cover is repelled by the magnetic element on the key assembly to force the shearing pin to come off the limit hole. The invention has an anti-theft safefunction and is practical in structure.
Description
Technical field
The present invention relates to a kind of valve, particularly codified, novel magnetic locking-type valve that anti-theft is good.
Background technique
Magnetic locking-type gate valve is manually to cut off medium in (or connect) pipeline by private key, can be widely used on the various pipelines of industries such as water, gas, pipeline transport, chemical industry.Magnetic locking-type gate valve structure more complicated at present commonly used, principle is simple, theftproof performance is poor, some gate valves are because applied environment, with lockset damage easily, make it open and close difficulty.
The patent No. is 200720111884.3 disclosed " magnetic induction Gate valve with lock ", this valve is made up of key, valve gap, valve gap cover, spool etc., it is characterized in that key is provided with corresponding opening mechanism with the valve gap inner room, two blocks of magnet steel are set respectively on valve gap and key external member, after key and the grafting of valve gap cover, inhale principle mutually according to the magnet steel heteropole, removed the blocking state between valve gap and the valve gap cover, screw key can be opened valve.Directly take out key when closing and get final product, under the effect of attraction force, return the blocking state.Its novel structure of this patent is simple, opens and closes flexibly, and is easy to operate, just can open valve but only need to add two blocks of magnet steel on valve gap, and the key lock that is equipped with is single, key specificity, theftproof performance extreme difference.In addition, in production, installation process, because the magnetic of magnet steel is strong, very easily crush hand, safety coefficient is not high, and working part is fragile.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-theft magnetic locking-type valve at the above-mentioned state of the art, it can be in off position down can be because of not adding magnet or, having antitheft, Safety function because the versatility of key is former thereby be opened; Also avoid having improved the stability and the working life of quality of product because of the long-term magnet that uses causes damage to a few thing spare.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of anti-theft magnetic locking-type valve, it includes valve body, spool, valve rod, valve gap, gland is the main valve body of forming, and the magnetic control mechanism of control valve, it is characterized in that the magnetic control mechanism is:
One valve gap is connected on the valve body, and its upper-end surface has a pin-and-hole at least, is placed with shear pin and spring in the pin-and-hole according to the order of sequence, and spring makes shear pin keep outside ejection trend;
One gland is enclosed within on the valve gap, and is connected with valve rod, and its lower end surface is provided with the spacing hole that cooperates with shear pin accordingly, is placed with magnetic element in the spacing hole;
Other has key assembly, is enclosed within to present removable lining connection on the gland, is furnished with the operation unit for people's operation on the key assembly, and, be placed with magnetic element in the key assembly, corresponding with the magnetic element position in the gland;
Be enclosed within key assembly under the state of gland, the magnetic element that the magnetic element on the gland is subjected on the key assembly repels, and forces shear pin to deviate from spacing hole.
As improvement, the supporting key assembly that has separately of described valve body, and magnetic element position, polarity or the size of placing in key assembly separately and the gland all have different designs.
As preferably, the degree of depth of gland spacing hole is higher than the length of magnetic element.The degree of depth of pin-and-hole is lower than the total length of spring and shear pin, and the aperture is less than the diameter of magnetic element.
Preferably, the removable lining connection of described key assembly and gland is the socket connection of adopting polygonal hole, is convenient to make and use.
Described gland is connected with valve rod by straight pin, plays location and gearing.
Described spool adopts flashboard.
Described magnetic element is preferred more than two, and adjacent magnetic element polarity is to be provided with on the contrary.
Design principle of the present invention is:
1) the magnetic control mechanism is improved and optimizated, utilize magnet homopolar-repulsion principle (being that the magnetic element magnet steel repels mutually in magnetic element in the key assembly such as magnet steel and the gland), shear pin is pushed in the pin-and-hole of valve gap end face, straight pin drives valve rod and makes valve core movement, guarantees the breakdown action of valve.
The repulsion computational methods of described magnet are as follows:
B＝Br/π*{arctan(a*b/2l(a
2+b
2+4l
2)
-1/2)-arctan(a*b/2(l+r)(a
2+b
2+4(l+r)
2)
-1/2)
F＝Ag*B*Hg/2
Wherein: the effect magnetic force (repulsion) of F-magnet,
The Hg-demagnetization curve is tried to achieve (available instrument test draws demagnetization curve automatically),
Br-remanent magnetism,
The Ag-sealing area,
The l-distance,
The length of a, b-magnet,
R-magnet orientation is thick.
2) simultaneously, according to magnetic element position, polarity, the size in Finite Element Method layout key assembly and the gland, produce different magnetic forces, form N kind Open valve key code number and be stored in the computer, at any time can select numbering by customer requirement, guarantee the corresponding a kind of valve of a kind of key, avoided magnetic locking-type valve not matching property in producing or using, strengthened the anti-theft feature of product.
So-called finite element method is exactly a kind of computer modeling technique, can need not a thing with the generating process of an engineering problem of software simulation on computers and really work it out.The benefit that this technology is brought is exactly, the product that just can allow people observe on computers to design in the drawing design phase in use any problem may occur in the future, need not work it out what problem can appear in check in experiment to model machine, can effectively reduce the cost of product development, shorten the cycle of product specification, also improved the stability of quality of product.
Compared with prior art, the invention has the advantages that: it can be in off position down can be because of not adding magnet or, having antitheft, Safety function because the versatility of key is former thereby be opened; Also avoid having improved the stability and the working life of quality of product because of the long-term magnet that uses causes damage to a few thing spare, magnetic control mechanism structure is more simple and practical, and is easy to manufacture and use.
Description of drawings
Fig. 1 is a structure sectional view of the present invention;
Fig. 2 is a gland partial sectional view of the present invention.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
As shown in the figure, a kind of anti-theft magnetic locking-type valve, it adopts gate valve as an example, it comprises parts such as key assembly 12, valve body 1, spool 2, valve rod 3, seal ring 4, valve gap 5, gland 10, it also comprises a magnetic control mechanism, and described magnetic control mechanism comprises at least one pair of linea angulata of upper-end surface of valve gap 5 respectively a pin-and-hole, places spring 6 and cylindrical shear pin 7 in the pin-and-hole according to the order of sequence, shear pin 7 makes shear pin 7 state of upspringing that keeps up by spring 6 on spring 6; The gland 10 that connects with valve gap 5 is provided with 2 spacing holes corresponding with pin-and-hole, is placed with magnet 8 in the spacing hole as magnetic element, and adjacent generally speaking magnetic element polarity is opposite; Be placed with 2 or a plurality of magnet 15 in the key assembly 12 as magnetic element, corresponding with magnet 8 positions in the gland, and the magnetic element in magnetic element and the gland 10 is to produce to repel strength in the key assembly 12, key assembly 12 tops are operation unit such as handwheel; There is a circular groove at the diagonal angle, center of gland 10, and a straight pin 14 is arranged in the groove, and gland 10 and valve rod 3 are coupled together, and notch is fixing by plug 13.Key assembly 12 and gland 10 adopt being plugged and connected of polygonal hole such as tri-angle-holed or square hole.Wherein the spacing hole degree of depth of gland 10 is higher than the length of magnet 8; The degree of depth of the pin-and-hole of the upper-end surface of described valve gap 5 is lower than the total length of spring 6 and shear pin 7, and the aperture is less than the diameter of magnet 8; Shear pin 7 must be placed on the spring 7.By being threaded, the centre is lined with a seal ring 4 enhanced leaktightness between valve gap 5 and the valve body 1; Valve gap 5 is pressed in the upper end of valve rod 3, in be lined with pair of O type circle 11 sealing; Carrying out axially locating by split washer 9 between gland 10 and the valve gap 5 is connected.
When the gate valve closed condition, because under the effect of spring 6, shear pin 7 is headed in gland 10 spacing holes, with gland and valve gap blocking; When needing to open, with the grafting of joining of the gland 10 of key assembly 12 and gate valve, utilize 0 homopolar-repulsion principle of magnet, magnet corresponding in magnet 8 in gland 10 spacing holes and the key assembly 12 repels each other, act on shear pin 7, the elastic force that makes shear pin 7 overcome spring 6 moves downward, head in the pin-and-hole of valve gap 5, removed the blocking state of gland 10 with valve gap 5, the straight pin 14 that screw key assembly 12 drives in the gland 10 rotates, and straight pin 14 drives valve rod 3 and rotates, flashboard is in the lower end of valve rod 3, during rotation valve rod 3, flashboard is moved upward, thereby guarantee the unlatching of gate valve; And need close the time, then counterrotating key assembly 12 is extracted key assembly 12 to closed position, and shear pin 7 will be headed in the spacing hole of gland 10 by the elastic force of spring 6 again, returns the blocking state.
In addition, in key assembly 12, place a plurality of magnet according to the Finite Element Method principle, form different magnetic forces, and with gland 10 in the magnetic force of magnet repel mutually, can obtain the magnetic control mechanism of different coding like this, guarantee the corresponding a kind of valve of a kind of key, avoided magnetic locking-type gate valve not matching property in producing or using, strengthened the anti-theft feature of product.
Claims (6)
1. anti-theft magnetic locking-type valve, it includes valve body, spool, valve rod, valve gap, gland is the main valve body of forming, and the magnetic control mechanism of control valve, it is characterized in that the magnetic control mechanism is:
One valve gap is connected on the valve body, and its upper-end surface has a pin-and-hole at least, is placed with shear pin and spring in the pin-and-hole according to the order of sequence, and spring makes shear pin keep outside ejection trend;
One gland is enclosed within on the valve gap, and is connected with valve rod, and its lower end surface is provided with the spacing hole that cooperates with shear pin accordingly, is placed with magnetic element in the spacing hole;
Other has key assembly, is enclosed within to present removable lining connection on the gland, is furnished with the operation unit for people's operation on the key assembly, and, be placed with magnetic element in the key assembly, corresponding with the magnetic element position in the gland;
Be enclosed within key assembly under the state of gland, the magnetic element that the magnetic element on the gland is subjected on the key assembly repels, and forces shear pin to deviate from spacing hole.
2. anti-theft magnetic locking-type valve according to claim 1 is characterized in that the supporting key assembly that has separately of described valve body, and magnetic element position, polarity or the size of placing in key assembly separately and the gland all have different designs.
3. anti-theft magnetic locking-type valve according to claim 1 is characterized in that removable lining connection of described key assembly and gland is the socket connection of adopting polygonal hole.
4. anti-theft magnetic locking-type valve according to claim 1 is characterized in that described gland is connected with valve rod by straight pin.
5. anti-theft magnetic locking-type valve according to claim 1 is characterized in that described spool adopts flashboard.
6. anti-theft magnetic locking-type valve according to claim 1 it is characterized in that described magnetic element is preferred more than two, and adjacent magnetic element polarity is to be provided with on the contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526329A CN102011873A (en) | 2009-09-07 | 2009-09-07 | Anti-theft magnetic locking-type valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526329A CN102011873A (en) | 2009-09-07 | 2009-09-07 | Anti-theft magnetic locking-type valve |
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| Publication Number | Publication Date |
|---|---|
| CN102011873A true CN102011873A (en) | 2011-04-13 |
Family
ID=43842152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101526329A Pending CN102011873A (en) | 2009-09-07 | 2009-09-07 | Anti-theft magnetic locking-type valve |
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| CN (1) | CN102011873A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840382A (en) * | 2012-09-17 | 2012-12-26 | 福建海洋铜业有限公司 | Improved machine encryption mechanism |
| CN103016767A (en) * | 2012-12-26 | 2013-04-03 | 李仁波 | Faucet |
| CN104089039A (en) * | 2014-07-25 | 2014-10-08 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
| CN114593223A (en) * | 2022-03-01 | 2022-06-07 | 浙江展帆实业有限公司 | Prevent mistake and touch magnetic gate valve |
-
2009
- 2009-09-07 CN CN2009101526329A patent/CN102011873A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840382A (en) * | 2012-09-17 | 2012-12-26 | 福建海洋铜业有限公司 | Improved machine encryption mechanism |
| CN102840382B (en) * | 2012-09-17 | 2014-08-13 | 福建省海洋阀门科技有限公司 | Improved machine encryption mechanism |
| CN103016767A (en) * | 2012-12-26 | 2013-04-03 | 李仁波 | Faucet |
| CN104089039A (en) * | 2014-07-25 | 2014-10-08 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
| CN104089039B (en) * | 2014-07-25 | 2016-08-24 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
| CN114593223A (en) * | 2022-03-01 | 2022-06-07 | 浙江展帆实业有限公司 | Prevent mistake and touch magnetic gate valve |
| CN114593223B (en) * | 2022-03-01 | 2023-09-15 | 浙江展帆实业有限公司 | Prevent mistake and touch magnetism gate valve |
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Application publication date: 20110413 |