CN209539309U - A kind of bailing well Anti-theft device for wall head - Google Patents
A kind of bailing well Anti-theft device for wall head Download PDFInfo
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- CN209539309U CN209539309U CN201920042594.0U CN201920042594U CN209539309U CN 209539309 U CN209539309 U CN 209539309U CN 201920042594 U CN201920042594 U CN 201920042594U CN 209539309 U CN209539309 U CN 209539309U
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Abstract
The utility model discloses a kind of bailing well Anti-theft device for wall head, including locking device and Anti-theft cap；Locking device includes electromagnetic type iron core and key, and electromagnetic type iron core includes integrally formed iron core and lock tongue；Key includes key bar and key plug, and the end of key plug is equipped with matching face；Key hole seat is fixed on the inner wall of involving swab pipe, offers keyhole in key hole seat；In key plug insertion keyhole, the first copper sheet anode is contacted with the second copper sheet anode, the first copper sheet cathode and the second copper sheet cathode contact, and electromagnetic coil is powered；The inner wall of Anti-theft cap is equipped with first annular groove, offers first through hole on outer wall；The second through-hole and third through-hole are offered on the outer wall of involving swab pipe；Its front end is stretched out third through-hole and to first annular groove or is bounced back in involving swab pipe after lock tongue is driven by iron core.The anti-theft device makes the electromagnetic coil energization driving lock tongue of electromagnetic type iron core stretch out and retract, easy to operate, safe antitheft by special-shaped key.
Description
Technical field
The utility model belongs to well-mouth theft-prevention equipment technical field, is related to a kind of bailing well Anti-theft device for wall head.
Background technique
Oil field after exploiting for a long time, and the inefficient oil well of low yield increases year by year, the oil well output in especially some low yield blocks
Usually only several hundred kilograms, in order to more effectively develop this kind of oil well, the oil production method for generalling use involving swab is exploited.In order to
It prevents bailing well stolen, after each involving swab, needs to seal bailing well well head using anti-theft device, to avoid not
Method molecule obtains petroleum out of oil mine pore.
Bailing well Anti-theft device for wall head mainly has nonstandard special connection screw bolt-type, code type and Multifunctional whole-closed type at present
Deng.Special connection screw bolt-type Thelf-proof well head apparatus connection bolt is exposed to outside, and observation shape can develop corresponding unlatching
Spanner, anti-theft device are more easily damaged, and antitheft rank is low；Code type Thelf-proof well head apparatus forgets there are password or password failure
And the risk failing to open；Multifunctional whole-closed type is although multiple functional, but its structure is complicated and expensive.
Summary of the invention
The utility model intends to solve the technical problem by providing a kind of bailing well Anti-theft device for wall head, pass through special-shaped key
The electromagnetic coil of electromagnetic type iron core is set to be powered, driving lock tongue is stretched out or retracted, and realizes the unlock and locking of involving swab pipe and Anti-theft cap.
The utility model is to be achieved through the following technical solutions:
A kind of bailing well Anti-theft device for wall head, including locking device and the Anti-theft cap being set in outside involving swab pipe；Locking device
Including key and the electromagnetic type iron core connecting with the inner wall of involving swab pipe, electromagnetic type iron core includes integrally formed iron core and lock tongue,
Wherein iron core exposes to one end of shell, and lock tongue exposes to the other end of shell；Electromagnetic coil is wrapped in the packing element outside iron core
On, reset spring is arranged on the iron core between packing element and lock tongue, one end of reset spring is contacted with lock tongue；
Key includes key bar and the key plug that is connected through a screw thread with it, is equipped with battery in key plug；Key is inserted
The end of head is equipped with matching face, and matching face inner wall is equipped with the first copper sheet anode and the first copper sheet cathode；Electromagnetic type iron core and fishing
The inner wall of oil pipe is fixedly connected；The key to match with key plug is offered in the key hole seat being fixed on the inner wall of involving swab pipe
Keyhole, the conductive part to match with matching face is additionally provided in key hole seat, and conductive part is equipped with the second copper sheet anode and the second bronze medal
Piece cathode；Second copper sheet anode and the second copper sheet cathode are connect with the positive and negative anodes of electromagnetic coil respectively；When key plug is inserted into key
In keyhole, the first copper sheet anode is contacted with the second copper sheet anode, the first copper sheet cathode and the second copper sheet cathode contact, electromagnetic coil
It is powered；
The inner wall of Anti-theft cap is equipped with the first annular groove to match with lock tongue, offers on outer wall and matches with key
First through hole；For offering the second through-hole to match with first through hole on the outer wall of involving swab pipe and matching with lock tongue
Three through-holes；The position of first through hole, the second through-hole and keyhole is corresponding, the position of third through-hole and the position of first annular groove
It sets corresponding；Its front end is stretched out third through-hole and to first annular groove or is bounced back in involving swab pipe after lock tongue iron core is driven.
Further, it is inserted into key, key plug sequentially passes through first through hole and the second through-hole stretches to the key of key hole seat
In keyhole, the first copper sheet anode is contacted with the second copper sheet anode, the first copper sheet cathode and the second copper sheet cathode contact, electromagnetic type iron
The electromagnetic coil energizing magnetic of core, driving iron core is mobile to involving swab tube hub position, drives lock tongue retraction, while electromagnetic type
It is compressed after the reset spring stress of iron core；It is withdrawn to lock tongue front end, key bar is screwed out from key plug, dismantle Anti-theft cap, fishing
Oil pipe exposes, and realizes unlock；
When locking involving swab pipe and Anti-theft cap, by antitheft cap sleeve outside involving swab pipe, it is inserted into key, it is logical that key bar sequentially passes through first
Hole and the second through-hole stretch in key hole seat, and key bar is contacted with the key plug in key hole seat；Rotate key bar, by key bar with
Key plug screws, and extracts key bar, then key plug is driven to remove keyhole, makes the matching face of conductive part and key plug point
From；First copper sheet anode is separated with the second copper sheet anode, and the first copper sheet cathode is separated with the second copper sheet cathode, electromagnetic coil power-off
It loses magnetism, plunger return, while the reset spring of electromagnetic type iron core gradually discharges deformation power rebound driving lock tongue and stretches out third
Through-hole, and extend out in first annular groove, realize the locking of involving swab pipe and Anti-theft cap.
Further, the matching face is equipped with key tooth, and conductive part matches with matching face；When key plug is fully inserted into
In keyhole, matching face and conductive part are exactly matched.
Further, the electromagnetic type iron core is fixedly connected by annular backup pad with the inner wall of involving swab pipe；Electromagnetic type iron
Core includes several, several electromagnetic type iron cores are evenly arranged on the circumference of annular backup pad；Adjacent electromagnetic type iron core it
Between pass through conducting wire connect.
Further, the junction of the key bar and key plug is equipped with the first lug boss, and key plug is equipped with and the
The first groove that one lug boss matches.
Further, the end of the key plug is additionally provided with the second groove, is equipped with and the second groove phase in key hole seat
Matched second lug boss.
Further, longitudinal fourth hole for running through involving swab pipe is equipped in involving swab pipe；Spring base, spring are equipped in fourth hole
It is equipped with longitudinal fifth hole for running through spring base in seat, oil pipe spring is equipped in fifth hole, the top of oil pipe spring is equipped with close
Blocking；The outside of spring base is equipped with interstage sleeve, is equipped with the 6th through-hole through interstage sleeve in interstage sleeve, the 6th through-hole by fifth hole with
Fourth hole connection；The lower end of interstage sleeve is connect with spring base, and upper end is connect with pressed joint；Longitudinal run through is equipped in pressed joint
7th through-hole of pressed joint, ball sealer block the arrival end of the 7th through-hole, and when pressing ball sealer, the 7th through-hole and the 6th leads to
Hole connection.
Further, side wall of the pressed joint close to one end of interstage sleeve is equipped with second annular groove.
Further, sealing ring is arranged in the second annular groove.
Further, the pressed joint is connected through a screw thread with involving swab pipe, and the interstage sleeve and involving swab pipe pass through screw thread
Connection.
Compared with prior art, the utility model has technical effect beneficial below:
The utility model discloses a kind of bailing well Anti-theft device for wall head, and the electricity of electromagnetic type iron core is made by special-shaped key
Magnetic coil is powered, and driving lock tongue is stretched out or retracted, and realizes the unlock and locking of involving swab pipe and Anti-theft cap, and easy to operate, safety is anti-
It steals.When unlocking involving swab pipe and Anti-theft cap, it is inserted into key, key plug sequentially passes through first through hole and the second through-hole stretches to key
In the keyhole of hole seat, the first copper sheet anode is contacted with the second copper sheet anode, the first copper sheet cathode and the second copper sheet cathode contact,
The electromagnetic coil energizing magnetic of electromagnetic type iron core, driving iron core is mobile to involving swab tube hub position, drives lock tongue retraction, together
When electromagnetic type iron core reset spring stress after compress；It is withdrawn to lock tongue front end, key bar is screwed out from key plug, disassembly is anti-
Cap is stolen, involving swab pipe exposes, and realizes unlock；
When locking involving swab pipe and Anti-theft cap, by antitheft cap sleeve outside involving swab pipe, it is inserted into key, it is logical that key bar sequentially passes through first
Hole and the second through-hole stretch in key hole seat, and key bar is contacted with the key plug in key hole seat；Rotate key bar, by key bar with
Key plug screws, and extracts key bar, then key plug is driven to remove keyhole, makes the matching face of conductive part and key plug point
From；First copper sheet anode is separated with the second copper sheet anode, and the first copper sheet cathode is separated with the second copper sheet cathode, electromagnetic coil power-off
It loses magnetism, plunger return, while the reset spring of electromagnetic type iron core gradually discharges deformation power rebound driving lock tongue and stretches out third
Through-hole, and extend out in first annular groove, realize the locking of involving swab pipe and Anti-theft cap.The anti-theft device without specific key without
Method dismantles Anti-theft cap, and Anti-theft cap can be rotated arbitrarily around involving swab pipe when locking, but can not dismantle Anti-theft cap, therefore can not be to fishing
Liquid open flow in oil well well realizes the function of the sealed, burglarproof of bailing well well head.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bailing well Anti-theft device for wall head of the utility model；
Fig. 2 is partial enlarged view at the bailing well Anti-theft device for wall head A of the utility model；
Fig. 3 is the structural schematic diagram of the electromagnetic type iron core of the utility model；
Fig. 4 is the structural schematic diagram of the key of the utility model；
Fig. 5 is the scheme of installation of the electromagnetic type iron core of the utility model.
Wherein, 1 is involving swab pipe, and 2 be Anti-theft cap, and 3 be electromagnetic type iron core, and 31 be shell, and 32 be iron core, and 33 be lock tongue, 34
For partition, 35 be electromagnetic coil, and 36 be reset spring, and 37 be packing element, and 38 be nut 4 be key, and 41 be key bar, and 42 insert for key
Head, 43 be matching face, and 431 be the first copper sheet anode, and 432 be the first copper sheet cathode, and 433 be the second copper sheet anode, and 434 be second
Copper sheet cathode, 44 be keyhole, and 45 be conductive part, and 46 be battery, and 47 be key tooth, and 5 be first annular groove, and 6 be first through hole,
7 be the second through-hole, and 8 be third through-hole, and 9 be key hole seat, and 10 be conducting wire, and 11 be the first lug boss, and 12 be the first groove, and 13 are
Second groove, 14 be the second lug boss, and 15 be fourth hole, and 16 be spring base, and 17 be fifth hole, and 18 be oil pipe spring, 19
For ball sealer, 20 be interstage sleeve, and 21 be the 6th through-hole, and 22 be pressed joint, and 23 be the 7th through-hole, and 24 be second annular groove, 25
It is annular backup pad for sealing ring, 26.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, it is described be explanation to the utility model without
It is to limit.
A kind of bailing well Anti-theft device for wall head, including locking device and the Anti-theft cap 2 being set in outside involving swab pipe 1；Locking dress
It sets including key 4 and the electromagnetic type iron core 3 being connect with the inner wall of involving swab pipe 1, electromagnetic type iron core 3 includes integrally formed iron core 32
With lock tongue 33, wherein iron core 32 exposes to one end of shell 31, and lock tongue 33 exposes to the other end of shell 31；Electromagnetic coil 35 twines
It is wound on the packing element 37 outside iron core 32, reset spring 36 is arranged on the iron core 32 between packing element 37 and lock tongue 33, reset bullet
One end of spring 36 is contacted with lock tongue 33；
Key 4 includes key bar 41 and the key plug 42 being connected through a screw thread with it, is equipped with battery in key plug 42
46；The end of key plug 42 is equipped with matching face 43, and matching 43 inner wall of face is equipped with the first copper sheet anode 431 and the first copper sheet is negative
Pole 432；Electromagnetic type iron core 3 is fixedly connected with the inner wall of involving swab pipe 1；It is opened in the key hole seat 9 being fixed on the inner wall of involving swab pipe 1
Equipped with the keyhole 44 to match with key plug 42, the conductive part 45 to match with matching face 43 is additionally provided in key hole seat 9,
Conductive part 45 is equipped with the second copper sheet anode 433 and the second copper sheet cathode 434；Second copper sheet anode 433 and the second copper sheet cathode
434 connect with the positive and negative anodes of electromagnetic coil 35 respectively；When key plug 42 be inserted into keyhole 44 in, the first copper sheet anode 431 with
Second copper sheet anode 433 contacts, and the first copper sheet cathode 432 is contacted with the second copper sheet cathode 434, and electromagnetic coil 35 is powered；
The inner wall of Anti-theft cap 2 is equipped with the first annular groove 5 to match with lock tongue 33, offers and key 4 on outer wall
The first through hole 6 to match；The second through-hole 7 and and lock tongue to match with first through hole 6 is offered on the outer wall of involving swab pipe 1
33 third through-holes 8 to match, the position of third through-hole 8 are corresponding with the position of first annular groove 5；Lock tongue 33 is by iron core 32
Its front end is stretched out third through-hole 8 and to first annular groove 5 or is bounced back in involving swab pipe 1 after driving.
Specifically, locking device is used to lock involving swab pipe 1 and the Anti-theft cap 2 being set in outside involving swab pipe 1.Anti-theft cap 2
First through hole 6 is offered on outer wall, and the second through-hole 7 to match with first through hole 6 is offered on 1 outer wall of involving swab pipe, wherein the
One through-hole 6 and the second through-hole 7 match with key 4；Key 4 sequentially passes through first through hole 6 and the second through-hole 7, inserts key
In keyhole 44 in first 42 insertion key hole seat 9, the first copper sheet anode 431 is contacted with the second copper sheet anode 433, the first copper sheet
Cathode 432 is contacted with the second copper sheet cathode 434, and electromagnetic coil 35 is made to be powered；Wherein, the first copper sheet anode 431, the first copper sheet are negative
Pole 432, the second copper sheet anode 433 and the second copper sheet cathode 434 are annular copper sheet, and the first copper sheet anode 431, the first copper sheet are negative
Pole 432 is embedded on 43 inner wall of matching face, and the second copper sheet anode 433 and the second copper sheet cathode 434 are embedded in the outer of conductive part 45
On wall, and positive 431, second copper sheet cathode 432 and second copper sheets corresponding with the position of the second copper sheet anode 433 of the first copper sheet
The position of cathode 434 is corresponding；Be also provided with third through-hole 8 on 1 side wall of involving swab pipe, the position of third through-hole 8 with it is first annular
The position of groove 5 is corresponding, and the front end of lock tongue 33 is pierced by the first annular groove 5 that third through-hole 8 protrudes into the inner wall of Anti-theft cap 2
It is interior, realize the locking of involving swab pipe 1 and Anti-theft cap 2.
Specifically, enamel covered wire is wrapped on the packing element 37 outside iron core 32, the iron core 32 uses strip iron core,
Iron core 32 and lock tongue 33 are integrally formed, and are the stepped stems of the different cross section size an of entirety, wherein the diameter of lock tongue 33 is greater than
The diameter of iron core 32.The end that iron core 32 exposes to shell 31 is equipped with nut 38, for preventing iron core 32 to be fully retracted to shell
In 31.Partition 34 is additionally provided in the shell 31 of electromagnetic type iron core 3, reset spring 36 is wrapped in the iron between partition 34 and lock tongue 33
On core 32, electromagnetic coil 35 is wound on the iron core 32 of 34 other side of partition, electromagnetic coil 35 generates after electromagnetic type iron core 3 is powered
Magnetic drive iron core 32 drive lock tongue 33 bounce back, electromagnetic type iron core 3 power off after electromagnetic coil 35 lose magnetism, iron core 32 reset and
Reset spring 36 promotes lock tongue 33 to stretch out.Battery 46 in key plug 42 is button cell, and key plug 42 is self-powered, makes
Power supply can be provided for electromagnetic type iron core 3 by obtaining key plug 42, and driving lock tongue 33 is stretched out or retracted.When the matching of key plug 42
Face 43 is bonded with the conductive part 45 in key hole seat 9, and the first copper sheet anode 431 is contacted with the second copper sheet anode 433, the first copper sheet
Cathode 432 is contacted with the second copper sheet cathode 434,35 energizing magnetic of electromagnetic coil, and driving iron core 32 moves, to drive lock
33 head of tongue bounces back to the first annular groove 5 of the inner wall of Anti-theft cap 2, and key bar 41 is screwed out from key plug 42, is removed anti-
It steals cap 2 and realizes unlock；When needing to lock involving swab pipe 1 and Anti-theft cap 2, by key bar 41 screw in key plug 42 in and and key plug
42 screw, and key plug 42 is screwed out from keyhole 44, separates the matching face of key plug 42 with conductive part 45, the first bronze medal
Piece anode 431 is separated with the second copper sheet anode 433, and the first copper sheet cathode 432 is separated with the second copper sheet cathode 434, electromagnetic type iron
The power-off of core 3 makes electromagnetic coil 35 lose magnetism, and iron core 32 resets, while reset spring 36 gradually discharges deformation power rebound driving lock
Tongue 33 stretches out third through-hole 8, and extend out in first annular groove 5, realizes the locking of involving swab pipe 1 and Anti-theft cap 2.
Further, it is inserted into key 4, key plug 42 sequentially passes through first through hole 6 and the second through-hole 7 stretches to key hole seat
In 9 keyhole 44, the first copper sheet anode 431 is contacted with the second copper sheet anode 433, the first copper sheet cathode 432 and the second copper sheet
Cathode 434 contacts, 35 energizing magnetic of electromagnetic coil of electromagnetic type iron core 3, and driving iron core 32 is moved to 1 center of involving swab pipe
It is dynamic, drive lock tongue 33 to bounce back, while compressing after 3 reset spring of electromagnetic type iron core, 36 stress；It is withdrawn to 33 front end of lock tongue, by key bar
41 screw out from key plug 42, dismantle Anti-theft cap 2, and involving swab pipe 1 exposes, and realize unlock；
When locking involving swab pipe 1 and Anti-theft cap 2, by 2 sets of Anti-theft cap outside involving swab pipe 1, it is inserted into key 4, key bar 41 is successively worn
It crosses first through hole 6 and the second through-hole 7 stretches in key hole seat 9, key bar 41 is contacted with the key plug 42 in key hole seat 9；
Key bar 41 is rotated, key bar 41 and key plug 42 are screwed, extracts key bar 41, then key plug 42 is driven to remove keyhole
44, separate conductive part 45 with the matching face 43 of key plug 42；First copper sheet anode 431 is separated with the second copper sheet anode 433,
First copper sheet cathode 432 is separated with the second copper sheet cathode 434, and the power-off of electromagnetic coil 35 loses magnetism, and iron core 32 resets, while electricity
The reset spring 36 of magnetic-type iron core gradually discharges deformation power rebound driving lock tongue 33 and stretches out third through-hole 8, and extend out to the first ring
In connected in star 5, the locking of involving swab pipe 1 and Anti-theft cap 2 is realized.
It should be noted that after disassembling Anti-theft cap 2 from involving swab pipe 1 after unlock, it, can be in order to save electric energy
Key plug 42 is extracted using key bar 41, allows key 4 to be in power-off transition, again inserts key plug 42 after waiting productions to complete
Enter keyhole 44, is inserted in Anti-theft cap 2 after unlock outside involving swab pipe 1 and realizes locking.
Further, the matching face 43 is equipped with key tooth 47, and conductive part 45 matches with matching face 43；Work as key plug
42 are fully inserted into keyhole 44, and matching face 43 and conductive part 45 exactly match.
Specifically, special-shaped key tooth 47 is arranged on the matching face 43, key plug 42 is fully inserted into keyhole
When in 44, matching face 43 and conductive part 45 are exactly matched, and the first copper sheet anode 431 is contacted with the second copper sheet anode 433, the first bronze medal
Piece cathode 432 is contacted with the second copper sheet cathode 434,3 energization electromagnetic coil 35 of electromagnetic type iron core generate magnetic drive iron core 32 to
The center of involving swab pipe 1 is mobile, so that lock tongue 33 be driven to bounce back, realizes unlock.When 42 partial insertion keyhole of key plug
In 44, matching face 43 and conductive part 45 are exactly matched, if can not dismantle Anti-theft cap without specific key, realize safe antitheft.
Further, the electromagnetic type iron core 3 is fixedly connected by annular backup pad 26 with the inner wall of involving swab pipe 1；Electromagnetism
Formula iron core 3 includes several, several electromagnetic type iron cores 3 are evenly arranged on the circumference of annular backup pad 26；Adjacent electromagnetism
It is connected between formula iron core 3 by conducting wire 10.The annular backup pad 26 is located at the lower section of first annular groove 5, key hole seat 9
The lower section of 26 side of annular backup pad is set.Specifically, the electromagnetic type iron core 3 is four, four electromagnetic type iron cores 3 are equal
On the even circumference for being distributed in annular backup pad 26, four electromagnetic type iron cores 3 are connect by conducting wire 10 with conductive part 45.Work as key
Plug 42 is fully inserted into keyhole 44, and matching face 43 and conductive part 45 exactly match, after matching face 43 is contacted with power contact
Conductive part 45 is powered, to provide power supply for electromagnetic type iron core 3, so that electromagnetic coil 35 is powered and moves with dynamic iron core 32, iron core 32
To drive lock tongue 33 to retract, unlocking process is realized.
Further, the junction of the key bar 41 and key plug 42 is equipped with the first lug boss 11, on key plug 42
Equipped with the first groove 12 to match with the first lug boss 11.First lug boss 11 is equipped with external screw thread, sets in the first groove 12
There is internal screw thread, the first lug boss 11 is threadedly coupled with the first groove 12, realizes the threaded connection of key bar 41 and key plug 42.
Further, the end of the key plug 42 is additionally provided with the second groove 13, be equipped in key hole seat 9 with it is second recessed
The second lug boss 14 that slot 13 matches.Second groove 13 cooperates with the second lug boss 14 in key hole seat 9, for preventing key
The rotary motion of spoon plug 42, enables key bar 41 to rotate and back-outs, to remove Anti-theft cap 2.
Further, longitudinal fourth hole 15 for running through involving swab pipe 1 is equipped in involving swab pipe 1；Spring is equipped in fourth hole 15
Seat 16, spring base 16 is interior to be equipped with longitudinal direction in the fifth hole 17 of spring base 16, fifth hole 17 equipped with oil pipe spring 18, oil
The top of pipe spring 18 is equipped with ball sealer 19；The outside of spring base 16 is equipped with interstage sleeve 20, is equipped in interstage sleeve 20 through interstage sleeve 20
6th through-hole 21, the 6th through-hole 21 are connected to by fifth hole 17 with fourth hole 15；The lower end of interstage sleeve 20 and spring base 16 connect
It connects, upper end is connect with pressed joint 22；Longitudinal the 7th through-hole 23 for running through pressed joint 22, ball sealer are equipped in pressed joint 22
19 block the arrival end of the 7th through-hole 23, and when pressing ball sealer 19, the 7th through-hole 23 is connected to the 6th through-hole 21.
Specifically, disassembling Anti-theft cap 2 from involving swab pipe 1 when needing to carry out open flow to liquid in well, release antitheft
After function, then dedicated open flow connector is screwed in into involving swab pipe 1, open flow joint screw thread is screwed into opens ball sealer automatically to a certain degree
19 realize open flow function.
Further, the side wall of the one end of the pressed joint 22 close to interstage sleeve 20 is equipped with second annular groove 24.
Further, sealing ring 25 is arranged in the second annular groove 24.
Further, the pressed joint 22 is connected through a screw thread with involving swab pipe 1, and the interstage sleeve 20 and involving swab pipe 1 are logical
Threaded connection is crossed, it is easy to disassemble.The spring base 16 is connected through a screw thread with interstage sleeve 20.The involving swab pipe 1 and outer well muzzle
Pipe is connected through a screw thread.The outer wall of the involving swab pipe 1 is equipped with external screw-thread, is connected through a screw thread, tears open with external wellhead casing pipe
It unloads conveniently.
By above technical scheme, the utility model provides a kind of bailing well Anti-theft device for wall head, passes through special-shaped key 4
So that the electromagnetic coil of electromagnetic type iron core 3 is powered or is powered off, so that 33 front end of lock tongue be driven to stretch out or retract, realizes 1 He of involving swab pipe
The unlock and locking of Anti-theft cap 2, easy to operate, safe antitheft.When unlocking involving swab pipe 1 and Anti-theft cap 2, it is inserted into key 4, key is inserted
First 42 sequentially pass through first through hole 6 and the second through-hole 7 stretches in the keyhole 44 of key hole seat 9, and conductive part 45 and key are inserted
The fitting contact of first 42 matching face 43, the first copper sheet anode 431 are contacted with the second copper sheet anode 433, the first copper sheet cathode 432 and
The contact of second copper sheet cathode 434,35 energizing magnetic of electromagnetic coil of electromagnetic type iron core 3 drive iron core 32 into involving swab pipe 1
Heart position is mobile, drives lock tongue 33 to bounce back, while compressing after 36 stress of reset spring of electromagnetic type iron core 3；To 33 front end of lock tongue
It withdraws, key bar 41 is screwed out from key plug 42, dismantle Anti-theft cap 2, involving swab pipe 1 exposes, and realizes unlock；
When locking involving swab pipe 1 and Anti-theft cap 2, by 2 sets of Anti-theft cap outside involving swab pipe 1, it is inserted into key 4, key bar 41 is successively worn
It crosses first through hole 6 and the second through-hole 7 stretches in key hole seat 9, key bar 41 is contacted with the key plug 42 in key hole seat 9；
Key bar 41 is rotated, key bar 41 and key plug 42 are screwed, extracts key bar 41, then key plug 42 is driven to remove keyhole
44, separate conductive part 45 with the matching face 43 of key plug 42；First copper sheet anode 431 is separated with the second copper sheet anode 433,
First copper sheet cathode 432 is separated with the second copper sheet cathode 434, and the power-off of electromagnetic coil 35 loses magnetism, and iron core 32 resets, while electricity
The reset spring 36 of magnetic-type iron core 3 gradually discharges deformation power rebound driving lock tongue 33 and stretches out third through-hole 8, and extend out to the first ring
In connected in star 5, the locking of involving swab pipe 1 and Anti-theft cap 2 is realized.The anti-theft device can not dismantle Anti-theft cap 2 without specific key 4,
Anti-theft cap 2 can be rotated arbitrarily around involving swab pipe 1 when locking, but can not dismantle Anti-theft cap 2, therefore can not be in bailing well well
Liquid open flow realizes the function of the sealed, burglarproof of bailing well well head.
Example given above is to realize that the utility model preferably example, the utility model is not limited to above-mentioned implementation
Example.Those skilled in the art according to the technical characteristic of technical solutions of the utility model made it is any it is nonessential addition,
Replacement, belongs to the protection scope of the utility model.
Claims (10)
1. a kind of bailing well Anti-theft device for wall head, which is characterized in that including locking device and be set in involving swab pipe (1) outside antitheft
Cap (2)；Locking device includes key (4) and the electromagnetic type iron core (3) connecting with the inner wall of involving swab pipe (1), electromagnetic type iron core (3)
Including integrally formed iron core (32) and lock tongue (33), wherein iron core (32) exposes to one end of shell (31), and lock tongue (33) is outside
It is exposed to the other end of shell (31)；Electromagnetic coil (35) is wrapped on the external packing element (37) of iron core (32), packing element (37) and lock
It is arranged with reset spring (36) on iron core (32) between tongue (33), one end of reset spring (36) is contacted with lock tongue (33)；
Key (4) includes the key plug (42) that key bar (41) He Yuqi is connected through a screw thread, and is equipped in key plug (42)
Battery (46)；The end of key plug (42) is equipped with matching face (43), and matching face (43) inner wall is equipped with the first copper sheet anode
(431) and the first copper sheet cathode (432)；It offers in the key hole seat (9) being fixed on the inner wall of involving swab pipe (1) and is inserted with key
The keyhole (44) that head (42) matches, key hole seat (9) is interior to be additionally provided with the conductive part (45) to match with matching face (43), leads
Electric portion (45) is equipped with the second copper sheet positive (433) and the second copper sheet cathode (434)；Second copper sheet anode (433) and the second bronze medal
Piece cathode (434) is connect with the positive and negative anodes of electromagnetic coil (35) respectively；In key plug (42) insertion keyhole (44), first
Copper sheet anode (431) is contacted with the second copper sheet positive (433), and the first copper sheet cathode (432) connects with the second copper sheet cathode (434)
Touching, electromagnetic coil (35) are powered；
The inner wall of Anti-theft cap (2) is equipped with the first annular groove (5) that matches with lock tongue (33), offers on outer wall and key
(4) first through hole (6) to match；The second through-hole to match with first through hole (6) is offered on the outer wall of involving swab pipe (1)
(7) and with lock tongue (33) third through-hole (8) to match；The position of first through hole (6), the second through-hole (7) and keyhole (44)
Set corresponding, the position of third through-hole (8) is corresponding with the position of first annular groove (5)；Lock tongue (33) is driven by iron core (32)
Its front end is stretched out third through-hole (8) to first annular groove (5) or is bounced back in involving swab pipe (1) after dynamic.
2. bailing well Anti-theft device for wall head according to claim 1, which is characterized in that insertion key (4), key plug
(42) it sequentially passes through first through hole (6) and the second through-hole (7) stretches in the keyhole (44) of key hole seat (9), the first copper sheet
Positive (431) are contacted with the second copper sheet positive (433), and the first copper sheet cathode (432) is contacted with the second copper sheet cathode (434), electricity
Electromagnetic coil (35) energizing magnetic of magnetic-type iron core (3), driving iron core (32) is mobile to involving swab pipe (1) center, band
Dynamic lock tongue (33) retraction, while being compressed after reset spring (36) stress of electromagnetic type iron core (3)；It is withdrawn to lock tongue (33) front end,
Key bar (41) is screwed out from key plug (42), is dismantled Anti-theft cap (2), involving swab pipe (1) exposes, and realizes unlock；
Lock involving swab pipe (1) and when Anti-theft cap (2), by Anti-theft cap (2) cover involving swab pipe (1) outside, insertion key (4), key bar
(41) it sequentially passes through first through hole (6) and the second through-hole (7) stretches in key hole seat (9), key bar (41) and key hole seat (9)
Interior key plug (42) contact；It rotates key bar (41), key bar (41) and key plug (42) is screwed, extract key bar (41),
Then it drives key plug (42) to remove keyhole (44), makes the matching face (43) point of conductive part (45) and key plug (42)
From；First copper sheet anode (431) is separated with the second copper sheet positive (433), the first copper sheet cathode (432) and the second copper sheet cathode
(434) it separates, electromagnetic coil (35) power-off loses magnetism, and iron core (32) resets, while the reset spring of electromagnetic type iron core (3)
(36) gradually third through-hole (8) are stretched out in release deformation power rebound driving lock tongue (33), and are extend out in first annular groove (5),
Realize the locking of involving swab pipe (1) and Anti-theft cap (2).
3. bailing well Anti-theft device for wall head according to claim 1 or 2, which is characterized in that on the matching face (43)
Equipped with key tooth (47), conductive part (45) matches with the face that matches (43)；When key plug (42) is fully inserted into keyhole (44),
Matching face (43) and conductive part (45) exactly match.
4. bailing well Anti-theft device for wall head according to claim 1, which is characterized in that the electromagnetic type iron core (3) is logical
Annular backup pad (26) is crossed to be fixedly connected with the inner wall of involving swab pipe (1)；Electromagnetic type iron core (3) includes several, several electromagnetism
Formula iron core (3) is evenly arranged on the circumference of annular backup pad (26), passes through conducting wire (10) between adjacent electromagnetic type iron core (3)
Connection.
5. bailing well Anti-theft device for wall head according to claim 1, which is characterized in that the key bar (41) and key is inserted
The junction of head (42) is equipped with the first lug boss (11), and key plug (42) is equipped with the to match with the first lug boss (11)
One groove (12).
6. bailing well Anti-theft device for wall head according to claim 5, which is characterized in that the end of the key plug (42)
Portion is additionally provided with the second groove (13), and the second lug boss (14) to match with the second groove (13) is equipped in key hole seat (9).
7. bailing well Anti-theft device for wall head according to claim 1, which is characterized in that be equipped with longitudinal pass through in involving swab pipe (1)
Wear the fourth hole (15) of involving swab pipe (1)；Spring base (16) are equipped in fourth hole (15), longitudinal pass through is equipped in spring base (16)
The fifth hole (17) of spring base (16) is worn, is equipped with oil pipe spring (18) in fifth hole (17), the top of oil pipe spring (18)
Equipped with ball sealer (19)；The outside of spring base (16) is equipped with interstage sleeve (20), and the through interstage sleeve (20) the 6th is equipped in interstage sleeve (20)
Through-hole (21), the 6th through-hole (21) are connected to by fifth hole (17) with fourth hole (15)；The lower end of interstage sleeve (20) and spring
Seat (16) connection, upper end is connect with pressed joint (22)；Be equipped in pressed joint (22) it is longitudinal through pressed joint (22) the
Seven through-holes (23), ball sealer (19) block the arrival end of the 7th through-hole (23), the 7th through-hole (23) when pressing ball sealer (19)
It is connected to the 6th through-hole (21).
8. bailing well Anti-theft device for wall head according to claim 7, which is characterized in that the pressed joint (22) is close
The side wall of one end of interstage sleeve (20) is equipped with second annular groove (24).
9. bailing well Anti-theft device for wall head according to claim 8, which is characterized in that the second annular groove (24)
On be arranged with sealing ring (25).
10. bailing well Anti-theft device for wall head according to claim 7, which is characterized in that the pressed joint (22) with
Involving swab pipe (1) is connected through a screw thread, and the interstage sleeve (20) is connected through a screw thread with involving swab pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042594.0U CN209539309U (en) | 2019-01-11 | 2019-01-11 | A kind of bailing well Anti-theft device for wall head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042594.0U CN209539309U (en) | 2019-01-11 | 2019-01-11 | A kind of bailing well Anti-theft device for wall head |
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| Publication Number | Publication Date |
|---|---|
| CN209539309U true CN209539309U (en) | 2019-10-25 |
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ID=68269246
Family Applications (1)
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|---|---|---|---|
| CN201920042594.0U Active CN209539309U (en) | 2019-01-11 | 2019-01-11 | A kind of bailing well Anti-theft device for wall head |
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| Country | Link |
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| CN (1) | CN209539309U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469459A (en) * | 2019-01-11 | 2019-03-15 | 陕西鼎和源瑞环境工程有限公司 | A kind of bailing well Anti-theft device for wall head |
| CN117307079A (en) * | 2023-11-28 | 2023-12-29 | 大庆市归藏石油科技有限公司 | Antitheft blowout preventer capable of implementing monitoring and pressure relief of natural gas and pressure in well |
| CN109469459B (en) * | 2019-01-11 | 2024-06-04 | 陕西鼎和源瑞环境工程有限公司 | Oil well head anti-theft device drags for |
-
2019
- 2019-01-11 CN CN201920042594.0U patent/CN209539309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469459A (en) * | 2019-01-11 | 2019-03-15 | 陕西鼎和源瑞环境工程有限公司 | A kind of bailing well Anti-theft device for wall head |
| CN109469459B (en) * | 2019-01-11 | 2024-06-04 | 陕西鼎和源瑞环境工程有限公司 | Oil well head anti-theft device drags for |
| CN117307079A (en) * | 2023-11-28 | 2023-12-29 | 大庆市归藏石油科技有限公司 | Antitheft blowout preventer capable of implementing monitoring and pressure relief of natural gas and pressure in well |
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