CN2466442Y - Threaded connection theftproof gate valve - Google Patents
Threaded connection theftproof gate valve Download PDFInfo
- Publication number
- CN2466442Y CN2466442Y CN 01216629 CN01216629U CN2466442Y CN 2466442 Y CN2466442 Y CN 2466442Y CN 01216629 CN01216629 CN 01216629 CN 01216629 U CN01216629 U CN 01216629U CN 2466442 Y CN2466442 Y CN 2466442Y
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- China
- Prior art keywords
- valve
- lock
- assembly
- valve casing
- theft
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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 relates to a theft-proof gate valve connected by threads, belonging to valve classes and lock classes. The theft-proof gate valve connected by threads is composed of a valve shell assembly, a valve core assembly, a valve lock assembly and a sealing ring. The valve core assembly is arranged on the lower and the middle parts of an inner cavity of the valve shell assembly, the valve lock assembly is arranged on the middle and the upper parts of the inner cavity of the valve shell assembly, and the sealing ring is arranged on the matching clearance of the three assemblies. A lock sleeve arranged inside a valve shell is fixed by pins of the valve shell, and a lock cover is fixed on the upper end part of the valve shell by pins of the lock cover. The utility model uses more than four sets of cylinder lock core structures, which is similar to an anti-prizing door lock. The utility model is not easy to break, dismount and counterfeit, and has favorable sealing property and higher pressure resistant performance; the utility model can be used for the well mouth of an oil well, the outlet of an oil tank, etc.
Description
The utility model relates to gate valve, also relates to lock, particularly is a kind of theft-proof gate valve that is threaded.
A large amount of well mouth of oil well in field, oil field and oil storage tank oil outlet generally all are provided with general gate valve, because long-time (especially night) unmanned, the lawless person often seizes the opportunity and opens the valve stolen without authorization, not only national wealth incurs loss, and pollutes the environment, and is that have even accidents caused.In order to prevent the lawless person from oil well and oil tank stolen, the most frequently used way is to pin with the handle that chain adds the lock handle gate valve, but the lawless person still can sawed-off chain or broken open a lock, stolen as usual; The baffle plate cover of burn-oning at gate valve handle place that has though prevented stolen, is made troubles to administrative staff, and the valve of looking on the bright side of things must be employed electrogas welding baffle plate is severed.By retrieval, existing several pieces of relevant patent documentations, the employing special spanner that has is driven valve, and the employing password that has is driven valve, and what also have adds special spanner with key and drives valve, has his own strong points, and shortcoming is also respectively arranged.Special spanner is copied easily, and the cipher lock well is difficult to remember more, and experienced lawless person also can open a part of cipher lock with feel, and common key adds special-purpose wrench and drives valve, and it has not only increased cost, and is also dangerous reliable.
In view of there is above-mentioned shortcoming and defect part in prior art, the purpose of this utility model just is to provide a kind of structural type unusual, the theft-proof gate valve that is threaded that is used for small-bore pipe, the anti-theft feature that not only has existing valve for guarding against theft, and be difficult for destroyed, dismounting and copy, and seal reliable withstand voltage height.
Above-mentioned purpose is realized by following technical proposals:
This theft-proof gate valve comprises valve casing assembly, Spool assembly, block of valve assembly and seal ring four parts.It is characterized in that Spool assembly is contained in the bottom and the middle part of valve casing assembly inner chamber, block of valve assembly is contained in the middle part and the top of valve casing assembly inner chamber, and seal ring is contained in the above-mentioned three assemblies gap location of working in coordination.The valve casing assembly is made up of valve casing, locking closure, valve casing pin, locking closure pin.Locking closure is positioned at the last top of valve casing; The valve casing pin is positioned at the valve casing middle part, and the lock tube in the valve casing is fixed on the valve casing; The locking closure pin is positioned at valve casing top, and locking closure is fixed on the valve casing.Spool assembly is made up of flashboard, mandrel and couple axle.Flashboard be installed in the mandrel lower end and the valve casing bottom into and out of between the oily passage; Lower half portion of dress couple axle in the central blind hole of mandrel upper end portion.Block of valve assembly is made up of lock core, lock tube, dottle pin, lock core marble, lock tube pellet shot from a slingshot, lock tube spring and spring capping.Lock core is positioned at the inner chamber of lock tube; Place, lock core lower end surface dress dottle pin; Adorn lock core marble in the lock core radial hole; Dress lock tube pellet shot from a slingshot, lock tube spring and spring capping in the lock tube radial hole.Hermetic unit comprises the dust plug at above-mentioned each seal ring and place, locking closure upper top central key hole.
In the above-mentioned theft-proof gate valve that is threaded, flashboard and mandrel are for being threaded, and the mandrel Lower Half is a screw rod, and the first half is the cylindrical boss that matches with the lock tube internal diameter.There is a blind hole that matches with the couple axle hypomere at boss upper top center, and this blind hole inwall has the wide keyway greater than 180 °.
In the above-mentioned theft-proof gate valve that is threaded, lock core epimere and middle intersegmental part are keyholes.There is a blind hole that matches with the couple axle epimere at center, lock core underpart, so this blind hole inwall has one big 180 ° wide keyway.
In the above-mentioned theft-proof gate valve that is threaded, couple axle hypomere and epimere respectively have a vertical boss that is similar to key.The a bit of cylinder bodily form that is is arranged between two boss, and a ring dottle pin is adorned in this cylindrical segment outside.
In the above-mentioned theft-proof gate valve that is threaded, the hypomere of dust plug is the cylinder bodily form, and outside thread is arranged, and epimere is a cone shape.
The above-mentioned theft-proof gate valve that is threaded, its block of valve adopt quadruplet or three cover bullet lock masters, whenever are with the pellet shot from a slingshot of varying length more than four.
According to the theft-proof gate valve that is threaded that technique scheme is made, because its block of valve has adopted the structural type that is similar to the pick-proof door lock, so key is not easy to copy very much, theftproof performance is much improved; Because after lock tube pin and capping pin are bound, welded extremely again and polished, so be not easy to open very much, anti-destruction also is much improved; Because O-ring seals has been adopted in the many places, internal void, profit is difficult to enter in the block of valve, and high voltage performance is arranged; Dust plug can prevent effectively that dust from entering in the keyhole.Also because its structure is simpler, and cost is lower, and working life is longer, installation and maintenance are more convenient, so have popularizing application prospect preferably.
Accompanying drawing 1 is an overall structure cross-sectional schematic of the present utility model.
Accompanying drawing 2 is A-A sectional views of Fig. 1.
Accompanying drawing 3 is B-B sectional views of Fig. 1.
Accompanying drawing 4 is C-C sectional views of Fig. 1.
Accompanying drawing 5 is D-D sectional views of Fig. 1.
Accompanying drawing 6 is that side view is partly cutd open in the amplification of the component 17 (dust plug) among Fig. 1.
In conjunction with the accompanying drawings embodiment of the present utility model is described below:
In the accompanying drawing, the 1st, valve casing, the 2nd, mandrel, the 3rd, flashboard, the 4th, couple axle, the 5th, radial direction seal ring, the 6th, dottle pin, the 7th, lock core, the 8th, axial seal, the 9th, lock tube pin, the 10th, spring capping, the 11st, lock core marble, the 12nd, lock tube pellet shot from a slingshot, the 13rd, locking closure pin, the 14th, lock tube spring, the 15th, lock tube, the 16th, locking closure, the 17th, dust plug, the 18th, key.
By shown in Figure 1, this theft-proof gate valve is made up of valve casing assembly ( component 1,9,13,16), Spool assembly ( component 2,3,4), block of valve assembly ( component 6,7,10,11,12,14,15) and seal ring (5,8).Spool assembly is contained in the bottom and the middle part of valve casing assembly inner chamber, and block of valve assembly is contained in the middle part and the top of valve casing assembly inner chamber, and seal ring is contained in the above-mentioned three assemblies gap location of working in coordination.Locking closure 16 is positioned at the last top of valve casing 1.Valve casing pin 9 is positioned at the middle part of valve casing 1, and the locking closure pin is positioned at valve casing top.Flashboard 3 be installed in mandrel 2 lower ends and valve casing 1 bottom into and out of between the oily passage.Lower half portion of dress couple axle 4 in the mandrel 2 upper end portion central blind holes.Lock core 7 is positioned at the inner chamber of lock tube 15, lock core 7 lower end surfaces dress dottle pin 6.Dress lock core marble 11 in lock core 7 radial holes, dress lock tube pellet shot from a slingshot 12, lock tube spring 14 and spring capping 10 in lock tube 15 radial holes.
Flashboard 3 and mandrel 2 are for being threaded, and mandrel 2 Lower Halves are screw rod, and the first half is the boss platform that matches with lock tube 15 internal diameters.There is a blind hole that matches with couple axle 4 bottoms at boss upper top center.As shown in Figure 3, this blind hole inwall has one, and couple axle 4 hypomeres have a vertical boss that is similar to key greater than 180 ° wide keyway, and couple axle 4 can rotate more than 180 ° in the wide keyway of mandrel 2.
There is a blind hole that matches with couple axle 4 epimeres at center, lock core 7 underpart.As shown in Figure 4, this blind hole inwall has one, and couple axle 4 epimeres have a vertical boss that is similar to key greater than 180 ° wide keyway, and couple axle 4 can rotate more than 180 ° in the wide keyway of lock core 7.
Contrasted as can be seen by Fig. 3 and Fig. 4, upper and lower section of couple axle 4 respectively has a vertical boss that is similar to key.
The operating process of this theft-proof gate valve is: take off dust plug 17 earlier, insert key 18 again, make the two separating surface of all lock core marbles 11 and all lock tube pellet shot from a slingshot 12 all be in (being lock core 7 and lock tube 15 the two gap location) on same the defiber.Can clockwise or rotate counterclockwise key 18, drive lock core 7, couple axle 4, mandrel 2 and together rotate, make flashboard 3 upstream or downstream, the oil inlet passage of valve is opened or closed.Then key 18 is forwarded to the position mark place (this moment, key 18 can dally) on the locking closure 16 in greater than 180 ℃ scope, only in this way just can extract key 18.After key is extracted, lock core marble 11 and lock tube pellet shot from a slingshot 12 the effect of spring 14 next with return inwards, the two locks lock core 7 and lock tube 15 by lock tube pellet shot from a slingshot 12, lock core 7 can not rotate, flashboard 3 also just is locked in place and can not moves up and down.Refill dust plug shown in Figure 6 17 at last.
The internal thread into and out of hydraulic fluid port of this theft-proof gate valve can directly be connected with the standard external in well mouth of oil well, oil tank outlet and the pipe network, so the theft-proof gate valve that title is threaded.
Claims (6)
1. theft-proof gate valve that is threaded, comprise the valve casing assembly, Spool assembly, block of valve assembly and seal ring four parts, it is characterized in that Spool assembly is contained in the bottom and the middle part of valve casing assembly inner chamber, block of valve assembly is contained in the middle part and the top of valve casing assembly inner chamber, seal ring is contained in the above-mentioned three assemblies gap location of working in coordination, the valve casing assembly is by valve casing, locking closure, valve casing pin and locking closure pin are formed, locking closure is positioned at the last top of lock housing, the valve casing pin is positioned at the valve casing middle part, lock tube in the valve casing is fixed on the valve casing, the locking closure pinning is positioned at lock housing top, locking closure is fixed on the valve casing, Spool assembly is by flashboard, mandrel and couple axle are formed, flashboard is installed in the mandrel lower end and is positioned at advancing of valve casing bottom, between the oil discharge passage, lower half portion of dress couple axle in the central blind hole of mandrel upper end portion, block of valve assembly is by lock core, lock tube, dottle pin, lock core marble, the lock tube pellet shot from a slingshot, lock tube spring and spring capping are formed, lock core is positioned at the inner chamber of lock tube, place, lock core lower end surface dress dottle pin, adorn lock core marble in the lock core radial hole, dress lock tube pellet shot from a slingshot in the lock tube radial hole, lock tube spring and spring capping, hermetic unit comprise the dust plug in above-mentioned each seal ring and locking closure upper top central key hole.
2. the theft-proof gate valve that is threaded according to claim 1, it is characterized in that flashboard and mandrel are for being threaded, the mandrel Lower Half is a screw rod, the first half is the cylindrical boss that matches with the lock tube internal diameter, there is a blind hole that matches with the couple axle hypomere at boss upper top center, and this blind hole inwall has one greater than 180 ° wide keyway.
3. the theft-proof gate valve that is threaded according to claim 1 is characterized in that lock core epimere and middle intersegmental part are keyholes, and there is a blind hole that matches with the couple axle epimere at center, lock core underpart, and this blind hole inwall has one greater than 180 ° wide keyway.
4. the theft-proof gate valve that is threaded according to claim 1 is characterized in that couple axle hypomere and epimere respectively have a vertical boss that is similar to key, and a bit of cylindrical body that is is arranged between two boss.
5. the theft-proof gate valve that is threaded according to claim 1 is characterized in that the hypomere of dust plug is the cylinder bodily form, and outside thread is arranged, and epimere is a cone shape.
6. the theft-proof gate valve that is threaded according to claim 1 is characterized in that the block of valve adopts quadruplet or three cover bullet lock masters, whenever is with the pellet shot from a slingshot of varying length more than four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216629 CN2466442Y (en) | 2001-02-24 | 2001-02-24 | Threaded connection theftproof gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216629 CN2466442Y (en) | 2001-02-24 | 2001-02-24 | Threaded connection theftproof gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466442Y true CN2466442Y (en) | 2001-12-19 |
Family
ID=33635012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216629 Expired - Fee Related CN2466442Y (en) | 2001-02-24 | 2001-02-24 | Threaded connection theftproof gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466442Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528205A (en) * | 2018-03-09 | 2018-09-14 | 岭南师范学院 | A kind of guard against theft oil automobile fuel tank with fault diagnosis functions |
-
2001
- 2001-02-24 CN CN 01216629 patent/CN2466442Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528205A (en) * | 2018-03-09 | 2018-09-14 | 岭南师范学院 | A kind of guard against theft oil automobile fuel tank with fault diagnosis functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |