CN2466443Y - Flanged connection theftproof gate valve - Google Patents
Flanged connection theftproof gate valve Download PDFInfo
- Publication number
- CN2466443Y CN2466443Y CN 01216630 CN01216630U CN2466443Y CN 2466443 Y CN2466443 Y CN 2466443Y CN 01216630 CN01216630 CN 01216630 CN 01216630 U CN01216630 U CN 01216630U CN 2466443 Y CN2466443 Y CN 2466443Y
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- lock
- valve
- contained
- assembly
- leading screw
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- Expired - Fee Related
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Abstract
The utility model relates to a flanged theft-proof gate valve, belonging to the technical field of valve classes and lock classes. The flanged theft-proof gate valve is composed of a valve shell assembly, a valve core assembly, a transmission assembly, a valve lock assembly and a sealing ring. The valve core assembly is arranged in the inner cavity of a valve shell, and the transmission assembly is arranged at the back part of the inner cavity of a lock shell; the valve lock assembly is arranged on the front part of the inner cavity of the lock shell, and the sealing ring is arranged on the cooperating clearance of the four assemblies. A lock cover and a lock sleeve are respectively fixed on the lock shell and the valve shell by pins, and the valve shell is fixedly connected with the lock shell by bolts. The utility model uses more than four sets of cylinder lock cores and worm and gear mechanisms, and is not easy to damage, teardown and counterfeit, with favorable sealing effect and high pressure resistant property. The utility model can be used for pipelines with large caliber and the outlet of an oil tanks.
Description
The utility model relates to gate valve, also relates to lock, particularly is the theft-proof gate valve that a kind of flange connects.
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 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 the baffle plate cover is severed.By retrieval, existing several pieces of relevant patent documentations, the employing special spanner that has is driven valve, and the employing cipher lock 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 can open a part of cipher lock with feel, and adding special spanner with key, to drive valve 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 theft-proof gate valve that flange unusual, that be used for large-diameter pipe connects, 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, drive assembly, block of valve assembly and seal ring five parts.It is characterized in that Spool assembly is contained in the valve shell cavity of valve casing assembly, drive assembly is contained in the lock housing inner chamber rear portion of valve casing assembly, and block of valve assembly is contained in lock housing inner chamber front portion, and seal ring is contained in the above-mentioned four assemblies gap location of working in coordination.The valve casing assembly is made up of valve casing, lock housing, locking closure, clamping bolt, spring pad and fixing pin.Lock housing is that level is contained in valve casing upper end-hole place, and fixes with a plurality of bolt and spring washers, between lock housing and lock tube, locking closure and the lock housing by dowel fixes.Spool assembly is made up of flashboard and leading screw, flashboard be contained in the leading screw lower end and valve casing into and out of between the oily passage.The epimere of leading screw is contained in the lock housing inner chamber.Drive assembly is made up of leading screw, worm gear, worm screw, couple axle, key, worm gear pressure pad, the spacing upper plate of leading screw, the spacing lower plate of leading screw and bearing.Worm gear is contained in the leading screw epimere and is fixed into one with key.The worm gear pressure pad is contained in leading screw end, worm gear top.The spacing upper and lower plate of leading screw is contained in lock housing lower end mouth place.Worm screw is level and meshes with worm gear.Bearing is contained in the worm screw end and is fixed on the lock housing.In the worm screw head end central blind hole dress couple axle half.Block of valve assembly is made up of lock core, lock tube, lock core marble, lock tube pellet shot from a slingshot, lock tube spring and spring capping.In the central blind hole of lock core rear end the dress couple axle second half.Lock core is contained in the lock tube inner chamber, and lock tube is contained in the lock housing inner chamber, and lock core marble is contained in the radial hole of lock core, and lock tube pellet shot from a slingshot, lock tube spring and spring capping all are contained in the radial hole of lock tube.
In the theft-proof gate valve that above-mentioned flange connects, lock housing is L shaped, and one section of the dress block of valve is tubular shape, its lower end mouth is oval, its upper top has the center hole that the leading screw upper end is installed, and the outside circumference in hole has three graduation lines and matches with the graduation line on leading screw top, is used to show that gate valve opens and closes degree.
In the theft-proof gate valve that above-mentioned flange connects, the lower semisection of leading screw is a trapezoidal thread, and the upper semisection of leading screw is a polished rod, and there is an annular boss polished rod and upper and lower spacing plate cooperation place, and there is a keyway polished rod and worm gear cooperation place.
In the theft-proof gate valve that above-mentioned flange connects, the head end of worm screw is the cylindrical boss that matches with the lock tube internal diameter, and the inwall of boss end central blind hole has the wide keyway greater than 180 °.
In the theft-proof gate valve that above-mentioned flange connects, lock core leading portion and middle intersegmental part are keyholes, and the inwall of lock core back segment central blind hole has the wide keyway greater than 180 °.
In the theft-proof gate valve that above-mentioned flange connects, a bit of in the middle of the couple axle is the cylinder bodily form, and respectively there is a vertical boss that is similar to key on its both sides.
In the theft-proof gate valve that above-mentioned flange connects, half of dust plug is the cylinder bodily form, and outside thread is arranged, and second half is a cone shape.
The theft-proof gate valve that above-mentioned flange connects, 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.
The theft-proof gate valve that the flange of making according to technique scheme connects, 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; Polished owing to weld extremely again after the pin on locking closure, the lock housing is loaded onto, valve casing and lock housing bonding crack place are also lived by spot welding, open so be not easy to be disassembled, and anti-destruction also is much improved; Because the O RunddichtringO 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, and dust plug can prevent that the dust foreign material 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 that the E of Fig. 1 is to plan view.
Accompanying drawing 3 is that side view is partly cutd open in the amplification of dust plug 16 among Fig. 1.
Accompanying drawing 4 is A-A sectional views of Fig. 1.
Accompanying drawing 5 is B-B sectional views of Fig. 1.
Accompanying drawing 6 is C-C sectional views of Fig. 1.
Accompanying drawing 7 is D-D sectional views of Fig. 1.
In conjunction with the accompanying drawings embodiment of the present utility model is described below:
In the accompanying drawing, the 1st, key, the 2nd, valve casing, the 3rd, valve casing sealing gasket, the 4th, flashboard sealing gasket, the 5th, flashboard, the 6th, lock housing, the 7th, O RunddichtringO, the 8th, lock housing pin, the 9th, lock tube spring, the 10th, lock tube pellet shot from a slingshot, the 11st, lock core marble, the 12nd, spring capping, the 13rd, lock tube, the 14th, locking closure pin, the 15th, locking closure, the 16th, dust plug, the 17th, lock core, the 18th, couple axle, the 19th, worm screw, the 20th, worm gear, the 21st, key, the 22nd, leading screw seal ring, the 23rd, worm gear pressure pad, the 24th, bearing, the 25th, the spacing upper plate of leading screw, the 26th, O RunddichtringO, the 27th, bolt, the 28th, spring pad, the 29th, leading screw lower limiting board, the 30th, leading screw.
Shown in Fig. 1,2, this theft-proof gate valve is made up of valve casing assembly, Spool assembly, drive assembly, block of valve assembly and seal ring five parts.Spool assembly is contained in the inner chamber of valve casing 2 of valve casing assembly, and drive assembly is contained in the lock housing 6 inner chamber rear portions of valve casing assembly, and block of valve assembly is contained in lock housing 6 inner chamber front portions, and seal ring 7,22 etc. is contained in the above-mentioned four assemblies gap location of working in coordination.The valve casing assembly is made up of valve casing 2, lock housing 6, locking closure 15, clamping bolt 27, spring pad 28, pin 8 and 14.Lock housing 6 is contained in the upper end-hole place of valve casing 2, and fixing with a plurality of bolts 27 and spring pad 28.Fix with pin 8 and 14 respectively between lock housing 2 and lock tube 13, locking closure 15 and the lock housing 6.Spool assembly is made up of flashboard 5 and leading screw 30.Flashboard 5 is contained in leading screw 30 lower ends, and valve casing 2 into and out of between the oily passage.The epimere of leading screw 30 is contained in the inner chamber of lock housing 6.Drive assembly is made up of leading screw 30, worm gear 20, worm screw 19, couple axle 18, key 21, worm gear pressure pad 23, the spacing upper plate 25 of leading screw, lower plate 29 and bearing 24.Worm gear 20 is contained in leading screw 30 epimeres and is fixed into one with key 21.Worm gear pressure pad 23 is contained in worm gear 20 top leading screws 30 ends.The spacing upper and lower plate 25,29 of leading screw is contained in lock housing 6 lower end mouth places.Worm screw 19 and worm gear 20 engagements.Bearing 24 is contained in worm screw 19 ends and is fixed on the lock housing 6.In the worm screw 19 head end central blind holes dress couple axle 18 half.Block of valve assembly is made up of lock core 17, lock tube 13, lock core marble 11, lock tube pellet shot from a slingshot 10, lock tube spring 9 and spring capping 12.In the rear end central blind hole of lock core 17 dress couple axle 18 second half.Lock core 17 is contained in the inner chamber of lock tube 13, and lock tube 13 is contained in the inner chamber of lock housing 6.Lock core marble 11 is contained in the radial hole of lock core 17, and lock tube pellet shot from a slingshot 10, lock tube spring 9 and spring capping 12 are contained in the radial hole of lock tube 13.
By shown in Figure 2, lock housing 6 is L shaped, and the right section of the dress block of valve is a tubular shape, its lower end mouth is oval, its upper top has the center hole that leading screw 30 upper ends are installed, and the outside circumference in hole has three graduation lines and matches with the graduation line on leading screw 30 tops, is used to show the switching degree of flashboard 5.
Shown in Fig. 1,4, the head end of worm screw 19 is the cylindrical boss that matches with lock tube 13 internal diameters, and the inwall of boss end central blind hole has the wide keyway greater than 180 °.Simultaneously can see also on the couple axle 18 back segment cylindricals that the vertical boss that is similar to key is arranged.Couple axle 18 can dally more than 180 ° in the wide keyway of blind hole.
Shown in Fig. 1,5, the inwall of lock core 17 back segment central blind holes has the wide keyway greater than 180 °, can see also on the couple axle 18 leading portion cylindricals that the vertical boss that is similar to key is arranged simultaneously.Couple axle 18 can dally more than 180 ° in the wide keyway of blind hole.
The operating process of this theft-proof gate valve is: take off dust plug 16 earlier, insert crank type key 1 again, make the two separating surface of all lock core marbles 11 and all lock tube pellet shot from a slingshot 10 all be in (being lock core 17 and lock tube 13 the two gap location) on same the defiber.Can clockwise or rotate counterclockwise key 1, drive lock core 17, couple axle 18, worm screw 19, worm gear 20, leading screw 30 and together rotate, make flashboard 5 upstream or downstream, the oil inlet passage of valve is opened or closed.Then key 1 is forwarded to the position mark place (this moment, key can dally) on the locking closure 15 in greater than 180 ° scope, have only this position just can extract key.After key is extracted, lock core marble 11 and lock tube pellet shot from a slingshot 10 the effect of lock tube spring 9 next with return inwards, the two locks lock core 17 and lock tube 13 by lock tube pellet shot from a slingshot 10, lock core 17 can not rotate, flashboard 5 also can not move up and down with regard to locked.Refill dust plug shown in Figure 3 16 at last.
This theft-proof gate valve bigger into and out of the hydraulic fluid port diameter is fit to adopt the flange plate Placement, so claim the theft-proof gate valve of flange connection.
Claims (8)
1. the theft-proof gate valve that connects of a flange, comprise the valve casing assembly, Spool assembly, drive assembly, block of valve assembly and sealing five parts, it is characterized in that Spool assembly is contained in the valve shell cavity of valve casing assembly, drive assembly is contained in the lock housing inner chamber rear portion of valve casing assembly, block of valve assembly is contained in lock housing inner chamber front portion, seal ring is contained in the above-mentioned four assemblies gap location of working in coordination, the valve casing assembly is by valve casing, lock housing, locking closure, clamping bolt, spring pad and fixing pin are formed, lock housing is contained in valve casing upper end-hole place, and fix with a plurality of bolt and spring washers, lock housing and lock tube, between locking closure and the lock housing by dowel fixes, Spool assembly is made up of flashboard and leading screw, flashboard is contained in the lower end of leading screw and is positioned at valve casing, between the oil discharge passage, the epimere of leading screw is contained in the lock housing inner chamber, drive assembly is by leading screw, worm gear, worm screw, couple axle, key, the worm gear pressure pad, the spacing upper plate of leading screw, spacing lower plate of leading screw and bearing are formed, worm gear is contained in the leading screw epimere and is fixed into one with key, the worm gear pressure pad is contained in leading screw end, worm gear top, on leading screw is spacing, lower plate is contained in lock housing lower end mouth place, worm screw is level and meshes with worm gear, bearing is contained in the worm screw end and is fixed on the lock housing, in the worm screw head end central blind hole dress couple axle half, block of valve assembly is by lock core, lock tube, lock core marble, the lock tube pellet shot from a slingshot, lock tube spring and spring capping are formed, in the central blind hole of lock core rear end the dress couple axle second half, lock core is contained in the lock tube inner chamber, lock tube is contained in the lock housing inner chamber, lock core marble is contained in the radial hole of lock core, the lock tube pellet shot from a slingshot, lock tube spring and spring capping all are contained in the radial hole of lock tube.
2. the theft-proof gate valve that flange according to claim 1 connects, it is characterized in that lock housing is the L type, one section of the dress block of valve is tubular shape, and its lower end mouth is oval, its upper top has the center hole that the leading screw upper end is installed, and the outside circumference in hole has three graduation lines and matches with the graduation line on leading screw top.
3. the theft-proof gate valve that flange according to claim 1 connects, the lower semisection that it is characterized in that screw mandrel is a trapezoidal thread, and the upper semisection of leading screw is a polished rod, and there is an annular boss polished rod and upper and lower spacing plate cooperation place, and there is a keyway polished rod and worm gear cooperation place.
4. the theft-proof gate valve that flange according to claim 1 connects, the head end that it is characterized in that worm screw is the cylindrical boss that matches with the lock tube internal diameter, the inwall of boss end central blind hole has the wide keyway greater than 180 °.
5. the theft-proof gate valve that flange according to claim 1 connects is characterized in that lock core leading portion and stage casing are keyholes, and the inwall of lock core back segment central blind hole has the wide keyway greater than 180 °.
6. the theft-proof gate valve that flange according to claim 1 connects, it is characterized in that a bit of in the middle of the couple axle is the cylinder bodily form, respectively there is a vertical boss that is similar to key on its both sides.
7. the theft-proof gate valve that flange according to claim 1 connects, half that it is characterized in that dust plug is the cylinder bodily form, and outside thread is arranged, second half is a cone shape.
8. the theft-proof gate valve that flange according to claim 1 connects 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 01216630 CN2466443Y (en) | 2001-02-24 | 2001-02-24 | Flanged connection theftproof gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216630 CN2466443Y (en) | 2001-02-24 | 2001-02-24 | Flanged connection theftproof gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466443Y true CN2466443Y (en) | 2001-12-19 |
Family
ID=33635013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216630 Expired - Fee Related CN2466443Y (en) | 2001-02-24 | 2001-02-24 | Flanged connection theftproof gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466443Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061168A (en) * | 2017-11-28 | 2018-05-22 | 安徽荣达阀门有限公司 | A kind of dark thick stick soft sealing gate valve of magnetic encrypted antitheft |
-
2001
- 2001-02-24 CN CN 01216630 patent/CN2466443Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061168A (en) * | 2017-11-28 | 2018-05-22 | 安徽荣达阀门有限公司 | A kind of dark thick stick soft sealing gate valve of magnetic encrypted antitheft |
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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 |