CN2913586Y

CN2913586Y - Theft protection installation for oil field pore

Info

Publication number: CN2913586Y
Application number: CN 200520036905
Authority: CN
Inventors: 曲洪航
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-22
Filing date: 2005-12-22
Publication date: 2007-06-20
Anticipated expiration: 2015-12-22

Abstract

The utility model aims to disclose a well-head anti-theft device for oil field, specifically a special lock set capable of being fixed on valves of oil wellhead, gas wellhead and pipe end to protect against theft. The utility model comprises a case body (24), a valve (12), a pipeline (10), double switches (20, 15), and a rotary lift locker with heterotypic end surfaces and the special key (26) thereof. The utility model is characterized in that the case body (24) encloses the double switches (20, 15), the pipeline (10) with valves and rotary lift locker therein; the double switch (20) is an insert plate adapted to slide along a first switch fixing rail (22) on the mounting board thereof; the double switch (15) is a U-shaped rod adapted to slide along a switch fixing rail (14) on the mounting board thereof; a hook piece (28) is arranged at the end of the key (26) and capable of axial rotation. A lock coding button (1) is a rotator capable of 360 degrees rotation and arranged on a lock fixing frame, and the end thereof is an irregular surface.

Description

The oil field shaft mouth anti-theft device

Technical field:

The utility model is a kind of anti-theft device, is useful for the pipeline place that valve is equipped with in the oil field.Be a kind of mechanical type in the same way biswitch based on the oil and gas wellhead of four insurance functions of the special-shaped rotation and lifting lockset of end face and the anti-theft technique of pipeline.

Technical background:

Minority lawless people stolen constantly takes place, steals the gas case in the various places oil gas field in recent years, and serious all the more, and What is more drives oil truck unexpectedly and directly drain the oil from well head, and national resources is incurred loss, and has increased unnecessary trouble for the oil field security work.Chinese patent application number is that disclosed antitheft apparatus for oil extracting well head is a principle with conventional lock among 99213308.4 (day for announcing 2000.7.5), and its theft-proof is undesirable.

Summary of the invention:

The utility model purpose is to disclose a kind of oil field shaft mouth anti-theft device, design special special lockset, at oil field shaft mouth dispersion, wide unattended specified conditions, can be fixed on the valve of oil, gas well mouth and pipeline opening, stealer can't be set about from this part.

The utility model is made up of casing 24, valve 12, pipeline 10, biswitch 20 and biswitch 15, the special-shaped rotation and lifting lockset of end face and private key, it is characterized in that: biswitch 20 and four bolt 21 parallel shapes of biswitch 15 usefulness are fixed in the casing 24, valve 12 joins through valve movable joint 11 and valve movable joint 9 and axle 5, and casing 24 is with biswitch 20, biswitch 15 and the pipeline 10 of valve is housed and the lifting lockset closes and is enclosed in the box body; Described biswitch 20 is the plates that the first road switch ground way 22 on its installing plate slides, and the one end has the gap that can be inserted on the axle 5; Described biswitch 15 is U type bars that slide on the switch ground way 14 on the installing plate, a bar back-moving spring 7 is connected between extension spring post 8 and the extension spring post 13, a cam 16 that is fixed on the switchboard, one groove is arranged, over against axis place on it at key; A safety plate 18 that is fixed on the switchboard, its end withstands on biswitch 15 ends, and restriction moves thereafter, and rotate with the hook portion of key on the summit of cam 16, heads on biswitch 15 and make thereafter and move, and lifts safety plate 18 simultaneously; Rotating the 3rd safety plate 17 that is fixed on the switchboard, just blocking key when falling can not be inserted at the end, a lock body password button 1 and the 2 coaxial installations of lock body two roads insurance password button that is installed on the box body, lock body two roads insurance password button 2 and interior two roads insurance password dial, 23 rotations synchronously of its box, two roads insurances password dial, 23 1 rocking arm ends when lock-out state, block the lock bolt 3 that is installed on the biswitch 20 after move; A spring 4 that is fixed on biswitch 20 slide plates, its spring one end moves behind the slide plate when unblanking, the 3rd road safety plate 17 can be rotated, another is fixed on the spring 19 with its synchronous slip on the biswitch 20, the one end can fall into safety position with the 4th road safety plate 18, described key 26 is straight-bars, a hook portion of swaying 28 is equipped with in its termination portion, when hook portion turns to straight-bar 27 radial parallel, the width of rotary body is equal to or less than the straight-bar external diameter, one termination of hook portion is hook-shaped, and described lock body password button 1 is the rotor that can be installed in the rotatable week on the lock fixed frame, and its termination portion is irregular.

The utlity model has four roads insurances, easy for installation, be specially adapted to oil well valve thief-proof of unattended duty.

Description of drawings

Fig. 1 is the utility model overall construction drawing;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is the utility model two roads insurance password dial structure chart;

Fig. 5 is the structure chart of the utility model key.

The specific embodiment:

25 is the connecting hole of the first road switch among Fig. 1.

As shown in Figure 1, the utility model first road switch is the two roads insurance control system based on the special-shaped rotation and lifting lockset of end face, by lock body password button 1 and lock body two roads insurance password button 2 coilable characteristics, utilize the irregular angle of helix of lock body password button 1 end face to form end face spiral height and do not wait liftable circular arc action, have only and set the two roads insurance that certain location just can be opened biswitch 20.

On biswitch 20, be provided with in the two roads insurance that two

springs

4,19 directly act on biswitch 15, when being opened by key, the first road switch opens the 3rd road safety plate 17 by spring 4, close the 4th road safety plate 18 by spring 19, last the 4th road safety plate 18 of removing under the rotation of cam 16 is opened the second road switch.

Assembly relation is as follows:

Biswitch 20 and four isometric studs 21 of biswitch 15 usefulness are connected and fixed, the special-shaped rotation and lifting lock core of end face is connected the casing 24 positive right holes of packing into, connect password dial 23, fastening nut forms the lock body assembly, lock body password button 1 and lock body two roads insurance password button 2 and two roads insurance password dials 23 insert and biswitch 20 part connecting holes interior 25, at last with valve 12 steering spindles 5, level is inserted casing from casing 24 positive left holes, pass biswitch 20 breach, continue across biswitch 15 and valve movable joint 9,11 connect, root in valve steering spindle 5 inserts bearing pin, ajust biswitch 20 and biswitch 15, adjust valve steering spindle 5, the position that makes two road switches accurately block steering spindle 5 is welded casing at last.

The specific embodiment:

Device for opening:

1, the lock body password button 1 of rotating box 24 and lock body two roads insurance password button 2, first and second road insurance is removed, key hook part 28 upwards makes the hook part sagging by Rotate 180 degree subsequently from draw the hole, to left and right can, outwards spur gently and turn right and promptly open the first road biswitch 20, because the 3rd, the 4th road relief spring 4,17 all is contained on the first road biswitch 20, the insurance of the 3rd road was opened under the effect of spring 4 automatically when the first road biswitch 20 was opened, and the 4th road safety plate 18 also enters safety position under the effect of spring 19.

2, key continuation level is pushed into forward in the hole of the second road biswitch, 15 cams, promote gently key hook part end face is entered in cam 16 grooves, turn right to collude and open the 4th road insurance in the arcuate movement, the second road biswitch 15 is opened in the rotation of cam 16 at key.

3,5 one-tenth 90 degree of the outer square head shaft of rotating box are promptly opened valve 12 left.

Shutoff device:

1, key 26 lock body password button 1 from the special-shaped rotation and lifting lock core hole of end face is introduced, to 5 one-tenth 90 degree of right rotation square head shaft, and valve-off 12, this moment, the second road biswitch 15 entered under the effect of extension spring 7 in valve steering spindle 5 holes automatically, became closed condition.

2, the hook part is sagging promptly closes the first road biswitch 20 to anticlockwise for the outside levels pulling of key 26, and key Rotate 180 degree is upward extracted out from lock body password button 1.

3, outer lock body password button 1 of rotary box and lock body two roads insurance password button 2 make this device all enter safe condition.

Claims

1, a kind of oil field shaft mouth anti-theft device, form by casing (24), valve (12), pipeline (10), biswitch (20) and biswitch (15), the special-shaped rotation and lifting lockset of end face and private key, it is characterized in that: biswitch (20) and biswitch (15) are fixed in the casing (24) with four bolts (21) parallel shape, valve (12) joins through valve movable joint (11) and valve movable joint (9) and axle (5), and casing (24) is with biswitch (20), biswitch (15) and the pipeline (10) of valve is housed and the lifting lockset closes and is enclosed in the box body; Described biswitch (20) is a plate that the first road switch ground way (22) on its installing plate slides, and the one end has the gap that can be inserted on the axle (5); Described biswitch (15) is that a switch ground way (14) on installing plate is gone up the U type bar that slides, a bar back-moving spring (7), be connected between extension spring post (8) and the extension spring post (13), a cam (16) that is fixed on the switchboard, one groove is arranged, over against axis place on it at key; A safety plate (18) that is fixed on the switchboard, its end withstands on biswitch (15) end, and restriction moves thereafter, and rotate with the hook portion of key on the summit of cam (16), heads on biswitch (15) and make thereafter and move, and lifts safety plate (18) simultaneously; Rotating the 3rd safety plate (17) that is fixed on the switchboard, just blocking key when falling can not be inserted at the end, a lock body password button (1) and the coaxial installation of lock body two roads insurance password button (2) that is installed on the box body, lock body two roads insurance password buttons (2) rotate with the two roads insurance password dials (23) in its box are synchronous, two roads insurances password dial (23) one rocking arm ends when lock-out state, block the lock bolt (3) that is installed on the biswitch (20) after move; A spring (4) that is fixed on biswitch (20) slide plate, its spring one end moves behind the slide plate when unblanking, the 3rd road safety plate (17) can be rotated, another is fixed on the spring (19) with its synchronous slip on the biswitch (20), the one end can fall into safety position with the 4th road safety plate (18), described key (26) is a straight-bar, a hook portion of swaying (28) is equipped with in its termination portion, when hook portion turns to straight-bar (27) radial parallel, the width of rotary body is equal to or less than the straight-bar external diameter, one termination of hook portion is hook-shaped, described lock body password button (1) is the rotor that can be installed in the rotatable week on the lock fixed frame, and its termination portion is irregular.