CN202561123U - Multifunctional antitheft three-way valve - Google Patents
Multifunctional antitheft three-way valve Download PDFInfo
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- CN202561123U CN202561123U CN2012201232746U CN201220123274U CN202561123U CN 202561123 U CN202561123 U CN 202561123U CN 2012201232746 U CN2012201232746 U CN 2012201232746U CN 201220123274 U CN201220123274 U CN 201220123274U CN 202561123 U CN202561123 U CN 202561123U
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- way valve
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- spool
- resistant
- pressure measurement
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Abstract
A multifunctional antitheft three-way valve comprises a barrel provided with a piston cavity, wherein an oil inlet pipe port, a spare port and an oil outlet pipe are disposed in turn in the barrel along an axial direction of the barrel and are communicated with the piston cavity. A pressure measuring device is disposed on the oil outlet pipe, and a valve core which fits into the piston cavity is slidingly disposed in the piston cavity, wherein a flow channel is disposed on the valve core and extends from one end of the valve core and along an axial direction of the valve core, a first ringlike groove and a second ringlike groove is disposed on the surface of the valve core, and a first connecting hole and a second connecting hole is disposed in the valve core in turn along the axial direction of the valve core, wherein the first ringlike groove is communicated with the flow channel via the first connecting hole and the second ringlike groove is communicated with the flow channel via the second connecting hole. Two ports among the oil inlet pipe port, the oil outlet pipe and the spare port are communicated with each other. According to the multifunctional antitheft three-way valve which is reasonable in structure, the problems of communication of every two material ports and pressure measuring sampling can be solved, and the problem of oil stealing can also be solved after simple antitheft treatment to prevent extra loss of crude oil, waste of social resources and environmental pollution.
Description
Technical field
The utility model relates to a kind of petroleum pipeline and uses the pipe fitting technical field, relates in particular to a kind of multifunctional burglary-resistant three-way valve of theftproof performance.
Background technique
Constantly soaring along with the scarcity of worldwide resource, particularly oil price, for many years, oil has become thief and illegal oil refining manufacturer steals the resource of obtaining by fair means or foul.The oil field production tree is owing to be arranged on the field, wilderness in the petroleum recovering system, and the personnel of patrolling and examining can not patrol and examine constantly and keep an eye on, so crude oil just become to steal people's first-selection, because of anti-theft measure does not catch up with the renewal of theft means, so the phenomenon of crude oil often takes place to steal.At present the oil connecting pipeline or the valve that adopt of production tree is that common flange bolt connects basically, particularly because of will carrying out pressure testing to the oil well rig device after the maintenance, and handles because it is cold; Crude oil is thickness more, causes return tube to block, and therefore needs spare interface; And the for want of reliable anti-theft measure of spare interface, the pilferage molecule just can be opened with common spanner and steal oil, and is very convenient; The phenomenon that causes stealing crude oil frequently takes place, and has caused the waste of social resources, in addition on fuel-displaced pipeline because of being provided with pressure gauge and sampling cock device; Purpose is the index situation for the operation conditions of inspection equipment pipeline and crude oil, and reaching the purpose of ordinary production operation, but the sampling cock and the pressure gauge that are arranged on back on the fuel-displaced pipeline just are easy to open with common instrument; Also made things convenient for the oil stealer to carry out stolen, in order to guard against theft, operator are taken away the handwheel of sampling cock and the valve handle on the pressure gauge or pressure gauge after having operated; Prevent the theft of crude oil, but the spool on the present valve is easy to just be opened, moreover after pilferage; As if untimely recovery, will cause the full ground of crude stream, cause the pollution of surrounding ground.
The model utility content
The technical problem that the utility model solved is: a kind of multifunctional burglary-resistant three-way valve is provided; Through just solving communicating between each pipeline to the control of regulating screw mandrel; Solve pressure measurement and problem of sampling through pressure-detecting device, solved the oil that causes because of anti-theft measure is ineffective and stolen problem, prevented the waste of social resources; Avoid the pollution of environment, improved manufacturing efficiency.
The technological scheme of the technical problem that the utility model solved is: the multifunctional burglary-resistant three-way valve comprises: be provided with the cylindrical shell of piston cavity, cylindrical shell upper edge drum shaft is to being provided with the oil-feed mouth of pipe, spare interface and oil outlet tube successively; Oil outlet tube, oil outlet tube and spare interface all communicate with piston cavity; Oil outlet tube is provided with pressure-detecting device, is slidingly fitted with the spool suitable with piston cavity in the piston cavity, and spool is provided with flow channel; Flow channel is by an end the extending axially along spool of spool; The surface of spool is provided with first annular recess and second annular recess, is provided with first attachment hole and second attachment hole on the spool vertically successively, and first attachment hole is communicated with first annular recess and flow channel; Second attachment hole is communicated with second annular recess and flow channel, and wherein both of the oil-feed mouth of pipe, oil outlet tube and spare interface are connected.
As optimized technical scheme, spool is connected with the adjusting screw mandrel, regulates screw mandrel and is connected with cylinder screw.
As optimized technical scheme, an end of cylindrical shell is provided with gland, and gland and cylindrical shell link together through tapered cup nut.
As optimized technical scheme, first attachment hole and second attachment hole all have several, and are that center of circle annular array distributes with the gyration center of spool all.
As optimized technical scheme, spare interface is provided with the plug joint, and the plug joint is provided with conical operation unit.
As optimized technical scheme, pressure-detecting device comprises: pressure measurement body, the axial fluid passage and the piston chamber that is interconnected that be provided with of pressure measurement body; The pressure measurement body is provided with the gauge port that radially is provided with; Gauge port communicates with piston chamber, is provided with piston rod in the piston chamber, and an end of piston rod is provided with the conical head of shutoff fluid passage; The piston rod the other end is threaded with the pressure measurement body and stretches out the pressure measurement body, and the external part of piston rod is installed with tapered cup nut.
As optimized technical scheme, the pressure measurement body is provided with the sample tap that radially is provided with, and sample tap communicates with piston chamber.
As optimized technical scheme, piston rod is provided with the boss suitable with piston chamber, and under the state of the said fluid passage of conical head shutoff, boss is between sample tap and gauge port.
As optimized technical scheme, be provided with O type circle between boss and the piston chamber.
As optimized technical scheme, the end that the pressure-measuring pipe body is positioned at tapered cup nut is fixed with gland, and gland is connected with piston rod thread, and gland is provided with the groove that holds tapered cup nut.
After having adopted technique scheme; The beneficial effect of the utility model is: the multifunctional burglary-resistant three-way valve is through the control to the adjusting screw mandrel; The oil-feed mouth of pipe and oil outlet tube have been realized, communicating respectively between the oil-feed mouth of pipe and spare interface, oil outlet tube and spare interface; Having satisfied production requirement, is the oil-feed mouth of pipe under the ordinary production state and the communicating of oil outlet tube; During under the situation that production tree needs repairing or to the equipment pipeline in oil recovery well maintenance pressure measurement, need close oil outlet tube, the regulating valve screw rod is communicating of the oil-feed mouth of pipe and spare interface then, reaches the purpose to the pressure measurement of oil recovery well equipment pipeline; When to returning flow line cleaning pressure measurement and because of the cold reason in sky; The crude oil thickness causes back the obstruction of fuel-displaced pipeline; Block the oil-feed mouth of pipe when need handling, this moment the regulating valve screw rod with the communicating of spare interface and oil outlet tube, realized the mobile of a screw mandrel control spool; Each imports and exports the purpose that communicates respectively, has reached the usage requirement under the different behaviours in service.
Owing to is tapered cup nut to the nut on the cylindrical shell, the plug joint that shutoff is used also is conical plug joint, because of internal surface or outer surface are taper; General tool can't be tightened and dismantle, thereby has protected crude oil not stolen, and uses simultaneously and regulates screw mandrel; Silk braid on gland cooperates, and regulating screw mandrel is full silk, selects to regulate screw mandrel like this and has just controlled moving of spool; Realized the connection between each material mouth; Reached the technology usage requirement, operator's operation easily, location and maintenance have improved efficiency.
Because each surface of contact between cylinder inboard wall and the spool is provided with sealed groove; Be provided with seal ring in the sealed groove; Solved the generation of the leakage phenomenon of crude oil in piston cavity, also be convenient to spool and in piston cavity, slide up and down, first attachment hole and second attachment hole can be cross bore radially; Overcome like this because of the not enough shortcoming of the thickness amount of flow of crude oil, increase the amount of flow of crude oil.
Owing to adopted pressure-detecting device, solved on time oil outlet tube through the setting pressure table with sampling cock two covering devices are installed: a cover is used for pressure measurement, and another set of being used for taken a sample; Two covering devices i.e. two drawbacks of stealing a little, and this device just can carry out pressure measurement and sampling through utilizing moving of piston rod; Tapered cup nut has protected piston rod to be moved through common instrument; Thereby protected crude oil not stolen, prevented the waste of social resources, avoided the pollution of environment.
Owing to increase a sample tap, pressure measurement and sampling are separated on same device, carry out pressure measurement earlier through moving of piston rod; Take a sample after continuing to move, solved the difficult problem of the sampling of pressure measurement simultaneously on the same device, only solved and carried out pressure measurement and sampling through a gauge port; The difficult problem of complicated operating process has made things convenient for operator's operation, handles through the antitheft to a piston rod; Solved the antitheft problem, prevented that crude oil is to the pollution of soil and the waste of crude oil.
Owing to be provided with gland, be convenient to the installation of the processing and fabricating and the piston rod of device, gland is provided with the screw thread that matches with piston rod; Rotation through the control piston bar is moved piston rod; Because of the gland outer surface is conical, so tapered cup nut and gland use general tool to be rotated, and piston rod does not stretch out tapered cup nut; Reach the purpose of antitheft, avoided the wasting of resources.
Because gland is provided with groove, and gland and cylindrical shell fix, and tapered cup nut is arranged in the groove; Use general tool can't tapered cup nut be rotated, and piston rod do not stretch out tapered cup nut, protected not being moved of piston rod; Reach the purpose of antitheft, avoided the wasting of resources.
Description of drawings
Fig. 1 is the main TV structure schematic representation of the utility model;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the embodiment's one of pressure-detecting device in the utility model a structural representation;
Fig. 4 is the embodiment's two of pressure-detecting device in the utility model a structural representation;
Fig. 5 is the embodiment's three of pressure-detecting device in the utility model a structural representation;
Among the figure: 1. the oil-feed mouth of pipe, 2. oil outlet tube, 3. spare interface, 4. cylindrical shell, 5. piston cavity, 6. spool; 7. gland, 8. tapered cup nut is 9. regulated screw mandrel, 10. plug joint, 11. first annular recess, 12. second annular recess; 13. flow channel, 14. stop up 15. first attachment holes, 16. second attachment holes, 17. seal rings, 18. shutoff faces; 19. pressure-detecting device, 20. pressure measurement bodys, 21. fluid passages, 22.O type circle, 23. piston chamber, 24. gauge ports; 25. sample tap, 26. piston rods, 27. conical head, 28. tapered cup nuts, 29. glands, 30. boss.
Embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the utility model, should be understood that these embodiments only be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
By Fig. 1, Fig. 2 common shown in, the multifunctional burglary-resistant three-way valve comprises: the cylindrical shell 4 that is provided with piston cavity 5; Cylindrical shell 4 upper edge cylindrical shells 4 axially, be provided with the oil-feed mouth of pipe 1, spare interface 3 and oil outlet tube 2 successively, the oil-feed mouth of pipe 1, oil outlet tube 2 and spare interface 3 all communicate with piston cavity 5; Oil outlet tube is provided with pressure-detecting device 19; Be slidingly fitted with the spool 6 suitable with piston cavity 5 in the piston cavity 5, spool 6 is provided with flow channel 13, and flow channel 13 is by an end the extending axially along spool 6 of spool 6; And the axially extended opening end of spool is by stopping up 14 shutoff; The surface of spool 6 is provided with first annular recess 11 and second annular recess 12, is provided with first attachment hole 15 and second attachment hole, 12, the first attachment holes, 15 connections, first annular recess 11 and flow channel 13 on the spool 6 vertically successively; Second attachment hole 16 is communicated with second annular recess 12 and flow channel 13, and wherein both of the oil-feed mouth of pipe 1, oil outlet tube 2 and spare interface 3 are connected.
12 of first annular recess 11 and second annular recess are shutoff face 18, and when spool 6 moved to shutoff face 18 with spare interface 3 shutoff, the oil-feed mouth of pipe 1 communicated with first annular recess 11, and oil outlet tube 2 communicates with second annular recess 12; When spool 6 moved to shutoff face 18 with oil outlet tube 2 shutoff, the oil-feed mouth of pipe 1 communicated with first annular recess 11, and spare interface 3 communicates with first annular recess 11; When spool 6 moved to shutoff face 18 with 1 shutoff of the oil-feed mouth of pipe, oil outlet tube 2 communicated with second annular recess 12, and spare interface 3 communicates with second annular recess 12.
Spool 6 is connected with regulates screw mandrel 9; Regulate screw mandrel 9 and be threaded with cylindrical shell 4, an end of cylindrical shell 4 is provided with gland 7, and gland 7 links together through tapered cup nut 8 with cylindrical shell 4; First attachment hole 15 is connected 16 holes with second all has several; And all the gyration center with spool 6 is that center of circle annular array distributes, and spare interface 3 is provided with plug joint 10, and plug joint 10 is provided with conical operation unit.
Concrete working procedure: the oil-feed mouth of pipe 1 communicates with oil outlet tube 3 under the ordinary production state, and plug 10 blocks spare interface 3, and first annular recess 11 communicates with the oil-feed mouth of pipe 1; Second annular recess 12 communicates with oil outlet tube 2; Spool face between first annular recess 11 and second annular recess 12 is that shutoff face 19 is with spare interface 3 shutoff, in the petroleum recovering process, after production tree is taked crude oil at this moment; The crude oil of taking gets into from the oil-feed mouth of pipe 1; Through first annular recess 11 and first attachment hole, the 15 laggard passages 13 of going into to flow, behind second attachment hole, 16 inflows, second annular recess 12, flow to the storage processing stand through oil outlet tube 2.
When needs carry out pressure testing to well head, need the oil-feed mouth of pipe 1 to communicate rotation adjusting screw mandrel 9 with spare interface 3; Spool 6 is moved down; Make first annular recess 11 be communicated with the oil-feed mouth of pipe 1 and spare interface 3, shutoff face 19 is backed out oil outlet tube 2 shutoff with the plug 10 at spare interface 3 places; Inject test medium from spare interface 3; Test medium can be media such as air, oil or water, and test medium is tested the pressure testing test, recovery in time after pressure testing finishes from the well head pipeline that spare interface 3 inflows first annular recess 11 back entering oil inlet pipe mouths 1 flow under the production tree.
Need spare interface 3 with oil outlet tube 2 to communicate rotation adjusting screw mandrel 9 when comparing thickness shutoff pipeline because of the crude oil sky is cold winter; With moving on the spool 6, make second annular recess 12 be communicated with spare interface 3, shutoff face 19 is with 1 shutoff of the oil-feed mouth of pipe; The plug 10 at spare interface 3 places is backed out, injected thermal source from spare interface 3, thermal source flows into second annular recess, 12 back entering oil outlet tubes 2 from spare interface 3 and flow to the pipeline because of sky cold crude oil thickness shutoff; The crude oil of shutoff pipeline is reduced because of hot viscosity; Thereby solve the pipe plugging phenomenon, problem is in time screwed on plug after solving, regulating spool 6 state that returns to normal production.
The embodiment one of pressure-detecting device:
As shown in Figure 3; A kind of multifunctional burglary-resistant three-way valve comprises: pressure measurement body 20, the axial fluid passage 20 and piston chamber 23 that is interconnected that be provided with of pressure measurement body 20; Pressure measurement body 20 is provided with the gauge port 24 that radially is provided with; Gauge port 24 communicates with piston chamber 23, is provided with piston rod 26 in the piston chamber 23, and an end of piston rod 26 is provided with the conical head 27 of shutoff fluid passage 21; Piston rod 26 the other ends are threaded with pressure measurement body 20 and stretch out pressure measurement body 20, and the external part of piston rod 26 is installed with tapered cup nut 28.
Concrete working procedure: the pressure measurement body 20 of the fluid passage end of this multifunctional burglary-resistant three-way valve is welded on the pipeline after extending in time fuel-displaced pipeline behind the insertion production tree; With pressure measurement body 20 piston rod 26 move inward, make conical head 27 with fluid passage 21 complete shutoff, be the situation of production tree ordinary production at this moment; When operator need carry out test pressure and during to the sampling of former oil require to pipeline; Pressure gauge is tightened on the gauge port 24, and back out tapered cup nut 28 with special tool rotary-piston bar 26 this moment; Make conical head 27 be separated from fluid passage 21; Then crude oil gets into gauge port 24, the meeting youngster that pauses, and then the pressure of the pressure gauge of this moment demonstration is exactly the pressure of pipeline; And then mobile piston bar 26 back, make conical head 27 block fluid passage 21, pressure gauge is located for 24 mouthfuls to place to connect lubricating cup, has reached the purpose of sampling, perhaps takes a sample earlier and afterwards carries out pressure measurement.After all work was accomplished, the situation that returns to normal production blocked fluid passage 21, took pressure gauge away after tightening tapered cup nut 28.
Owing to adopted a kind of multifunctional burglary-resistant three-way valve of technique scheme, realized the purpose that a covering device carries out pressure measurement and sampling, tapered cup nut 28 protections are lived piston rod 26 and are not rotated; Must use special tool ability rotary conic nut; General tool can't be tightened and dismantle, and uses general tool and opens thereby protect this device can not be stolen the crude oil person, thereby protected crude oil not stolen; Prevent the waste of social resources, avoided the pollution of surrounding environment.
The embodiment two of pressure-detecting device:
As shown in Figure 4, a kind of multifunctional burglary-resistant three-way valve, its structure and embodiment one are basic identical; Its difference is, is provided with the sample tap 25 that radially is provided with pressure measurement body 20, and sample tap 25 communicates with piston chamber 23; Piston rod 26 is provided with the boss 30 suitable with piston chamber 23, and under 21 states of conical head 27 shutoff fluid passages, boss 30 is between sample tap 25 and gauge port 24; Be provided with O type circle 22 between boss 30 and the piston chamber 23, the end that pressure measurement body 20 is positioned at tapered cup nut 28 is provided with gland 29, and gland 29 is threaded with piston rod 26; Gland 29 is provided with the groove that holds tapered cup nut 28, and pressure measurement body 20 fixedly installs with gland 29 and is one.
Concrete working procedure: the pressure measurement body 20 of the fluid passage end of this multifunctional burglary-resistant three-way valve extend insert behind the production trees return in the fuel-displaced pipeline after be welded on the pipeline, with pressure measurement body 20 piston rod 26 move inward, make conical head 27 with fluid passage 21 complete shutoff; Be the situation of production tree ordinary production at this moment, when operator need carry out test pressure and during to the sampling of former oil require, pressure gauge are tightened on the gauge port 24 pipeline; Place and connect lubricating cup at sample tap 25 places, and back out tapered cup nut 28 with special tool rotary-piston bar 26 this moment; Make conical head 27 be separated from fluid passage 21, then crude oil gets into gauge port 24, and the pause meeting youngster then pressure of the pressure gauge demonstration of this moment is exactly the pressure of pipeline; Continue mobile piston bar 26,25 places flow down crude oil until sample tap, have reached the purpose of sampling; After all work is accomplished; The situation that returns to normal production blocks fluid passage 21, takes pressure gauge away after tightening tapered cup nut 28.
Owing to adopted a kind of multifunctional burglary-resistant three-way valve of technique scheme; Realized the purpose that a covering device carries out pressure measurement and sampling; Tapered cup nut 28 protections are lived piston rod 26 and are not rotated, and this tapered cup nut 26 can't tightened and dismantle to general tool, thereby protected crude oil not stolen; Prevent the waste of social resources, avoided the pollution of surrounding environment.
The embodiment three of pressure-detecting device:
As shown in Figure 5; A kind of multifunctional burglary-resistant three-way valve, its structure and embodiment two are basic identical, and its difference is; Gland 29 is threaded with pressure measurement body 20; Piston rod 26 is threaded with gland 29, and gland 29 surfaces are conical, do not extend outside the tapered cup nut 28 in the length that blocks fluid passage 21 back piston bars 26.
Concrete working procedure: the pressure measurement body 20 of the fluid passage end of this multifunctional burglary-resistant three-way valve extend insert behind the production trees return in the fuel-displaced pipeline after be welded on the pipeline, with pressure measurement body 20 piston rod 26 move inward, make conical head 27 with fluid passage 21 complete shutoff; Be the situation of production tree ordinary production at this moment, when operator need carry out test pressure and during to the sampling of former oil require, pressure gauge are tightened on the gauge port 24 pipeline; Place and connect lubricating cup at sample tap 25 places, and back out tapered cup nut 28 with special tool rotary-piston bar 26 this moment; Make conical head 27 be separated from fluid passage 21, then crude oil gets into gauge port 24, and the meeting youngster pauses; Then the pressure of the pressure gauge of this moment demonstration is exactly the pressure of pipeline, continues mobile piston bar 26, and 25 places flow down crude oil until sample tap; Reached the purpose of sampling, after all work was accomplished, situation returned to normal production; Block fluid passage 21, take pressure gauge away after tightening tapered cup nut 28.
Owing to adopted a kind of multifunctional burglary-resistant three-way valve of technique scheme; Realized the purpose that a covering device carries out pressure measurement and sampling, tapered cup nut 9 protections are lived piston rod 7 and are not rotated, and gland 10 surfaces are conical; Must use special tool ability rotary conic nut and gland; General tool can't be tightened and dismantle, and uses general tool and opens thereby protect this device can not be stolen the crude oil person, thereby protected crude oil not stolen; Prevent the waste of social resources, avoided the pollution of surrounding environment.
Owing to adopted a kind of multifunctional burglary-resistant three-way valve valve of technique scheme; Nut on the cylindrical shell 4 is a tapered cup nut 8, and the plug 10 that shutoff is used also is conical plug, and general tool can't be tightened and dismantle; Must use special tool just can carry out work, thereby protect crude oil not stolen.
Because spool 6 surfaces are provided with groove and attachment hole; Through the position of moving valve core 6, realized communicating with each other in twos of three material mouths respectively, operator can regulate maintenance as required or detect; Make things convenient for operator's operation, improved efficiency.
Owing to be provided with other passage leakage phenomenon that passes through that seal ring 17 has been stopped crude oil between cylindrical shell 4 inwalls and the spool 6, be cylindrical body, make and make simply; Reasonable in design also is convenient to spool 6 and in piston cavity 5, is slided up and down, and radially cross bore is the thickness because of crude oil; Be convenient to flowing of crude oil; Adjusting screw rod 9 is connected with spool 6 through silk braid 18, and rotation adjusting screw mandrel 9 slides up and down spool 6, is convenient to operator's location and operation.
The utility model reasonable in design; Three-way valve just can solve two of material mouth and communicate and the pressure measurement sampling, and handles through simple antitheft and just can solve oil and steal problem, has avoided the extra loss of crude oil; Prevent the waste of social resources, avoided the pollution of environment.
More than show and described the advantage of basic principle, major character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
All are from the design of the utility model, and the structure conversion of having done without creative work all drops within the utility model protection domain.
Claims (10)
1. multifunctional burglary-resistant three-way valve; Comprise: be provided with the cylindrical shell of piston cavity, the said drum shaft in said cylindrical shell upper edge is to be provided with the oil-feed mouth of pipe, spare interface and oil outlet tube successively, and the described oil-feed mouth of pipe, oil outlet tube and spare interface all communicate with described piston cavity; It is characterized in that; Said oil outlet tube is provided with pressure-detecting device, is slidingly fitted with in the said piston cavity and the suitable spool of said piston cavity, and said spool is provided with flow channel; Said flow channel is by an end the extending axially along spool of said spool; The surface of said spool is provided with first annular recess and second annular recess, is provided with first attachment hole and second attachment hole on the said spool vertically successively, and said first attachment hole is communicated with said first annular recess and flow channel; Said second attachment hole is communicated with said second annular recess and flow channel, and wherein both of the described oil-feed mouth of pipe, oil outlet tube and spare interface are connected.
2. multifunctional burglary-resistant three-way valve according to claim 1 is characterized in that said spool is connected with the adjusting screw mandrel, and said adjusting screw mandrel is connected with said cylinder screw.
3. multifunctional burglary-resistant three-way valve according to claim 1 is characterized in that, an end of said cylindrical shell is provided with gland, and said gland and cylindrical shell link together through tapered cup nut.
4. multifunctional burglary-resistant three-way valve according to claim 1 is characterized in that, said first attachment hole and second attachment hole all have several, and is that center of circle annular array distributes with the gyration center of spool all.
5. multifunctional burglary-resistant three-way valve according to claim 1 is characterized in that said spare interface is provided with the plug joint, and said plug joint is provided with conical operation unit.
6. multifunctional burglary-resistant three-way valve according to claim 1; It is characterized in that said pressure-detecting device comprises: pressure measurement body, the axial fluid passage and the piston chamber that is interconnected that be provided with of said pressure measurement body; Said pressure measurement body is provided with the gauge port that radially is provided with; Said gauge port communicates with piston chamber, is provided with piston rod in the said piston chamber, and an end of said piston rod is provided with the conical head of the said fluid passage of shutoff; The said piston rod the other end is threaded with the pressure measurement body and stretches out said pressure measurement body, and the external part of described piston rod is installed with tapered cup nut.
7. multifunctional burglary-resistant three-way valve according to claim 1 is characterized in that, said pressure measurement body is provided with the sample tap that radially is provided with, and said sample tap communicates with described piston chamber.
8. multifunctional burglary-resistant three-way valve according to claim 7; It is characterized in that; Described piston rod is provided with the suitable boss with said piston chamber, and under the state of the said fluid passage of said conical head shutoff, said boss is between said sample tap and gauge port.
9. multifunctional burglary-resistant three-way valve according to claim 8 is characterized in that, is provided with O type circle between said boss and the piston chamber.
10. multifunctional burglary-resistant three-way valve according to claim 7; It is characterized in that; The end that said pressure-measuring pipe body is positioned at said tapered cup nut is fixed with gland, and said gland is connected with piston rod thread, and said gland is provided with the groove that holds said tapered cup nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201232746U CN202561123U (en) | 2012-03-28 | 2012-03-28 | Multifunctional antitheft three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201232746U CN202561123U (en) | 2012-03-28 | 2012-03-28 | Multifunctional antitheft three-way valve |
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| Publication Number | Publication Date |
|---|---|
| CN202561123U true CN202561123U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201232746U Expired - Fee Related CN202561123U (en) | 2012-03-28 | 2012-03-28 | Multifunctional antitheft three-way valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029926A (en) * | 2013-03-05 | 2014-09-10 | 北京红海科技开发有限公司 | Self-measuring container and method for taking out accommodated object in container |
| WO2014135076A1 (en) * | 2013-03-05 | 2014-09-12 | 北京红海科技开发有限公司 | Self-measuring container and method for removing content therein |
| CN108167473A (en) * | 2018-01-12 | 2018-06-15 | 苏州羽美尚精密机械有限公司 | A kind of water pipe head for the threeway change of current |
-
2012
- 2012-03-28 CN CN2012201232746U patent/CN202561123U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029926A (en) * | 2013-03-05 | 2014-09-10 | 北京红海科技开发有限公司 | Self-measuring container and method for taking out accommodated object in container |
| WO2014135076A1 (en) * | 2013-03-05 | 2014-09-12 | 北京红海科技开发有限公司 | Self-measuring container and method for removing content therein |
| CN104029926B (en) * | 2013-03-05 | 2017-12-08 | 北京红海科技开发有限公司 | From measuring container and take out method tolerant inside the container |
| CN108167473A (en) * | 2018-01-12 | 2018-06-15 | 苏州羽美尚精密机械有限公司 | A kind of water pipe head for the threeway change of current |
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