CN201546533U - Anti-theft lock of valve - Google Patents

Abstract

The utility model discloses an anti-theft lock of a valve, which structurally comprises a lock body, a lock beam, a lock tongue, a lock core, and a lock core sleeve. The lock core is provided with more than two slots and matched with a key having more than two slots, and the lock core adopts a three-slot lock core matched with a three-slot key; the three-slot lock core comprises a first slot, a second slot and a third slot respectively formed in three directions in the middle of the three-slot lock core, and pin tumblers in different permutations and combinations are arranged in the first slot, the second slot and the third slot; and a three-slot float lock core capable of rotating freely is arranged outside the three-slot lock core. The utility model has the benefits that the anti-theft lock has high mutual unlocking prevention rate, the equal ratio of the arrangement permutation and combination of the teeth of the key is increased, and the anti-picking performance is higher; the float lock core can further prevent the use of the picking tool for stealing; and the utility model has simple structure, is convenient for use, and effectively prevents the occurrence of petroleum stealing.

Description

The valve theftproof lock

Technical field

The utility model relates to and be used for antitheft lock, particularly be the valve theftproof lock that is used for oil field pipe.

Background technology

At present, on oil pipeline, valve is set usually comes by the interior oil of pipeline.Stolen for preventing oil, often the way that adopts is: After Hours pull down the handwheel of valve, and when normally using, mounted valve handwheel again.In the practice, the robber can carry handwheel, can open valve in the same old way, steals oil very easily.Rough Statistics, because of the nearly few hundred thousand tonnes of of the stolen annual loss of oil, the stolen loss that causes to the development of the national economy of oil is very big.Therefore, very the serious hope appearance is a kind of on the oil field prevents that effectively oil is stolen, can pin the anti-theft tool of pipeline valve.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provides a kind of and prevents that effectively oil is stolen, can pin the valve theftproof lock of pipeline valve.

The technical scheme that solves the problems of the technologies described above is: a kind of valve theftproof lock, its structure comprises: lock body, lock Beam, dead bolt, lock core, lock core cover, the lock core more than two grooves that described lock core is with the above key of two grooves cooperates.

The beneficial effects of the utility model are:

1. the lock core more than two grooves that lock core of the present utility model is with the above key of two grooves cooperates has higher anti mutual-opening rate, can load the above pellet shot from a slingshot of two rows, makes the permutation and combination geometric ratio of key tooth number increase.Has the higher anti-performance of dialling.

2. the utility model lock core that adopt to float promptly has true and false double-layer lock core, makes outer lock core float, rotate free, and adopts fast, the sticking hard titanium alloy material of long-pending heat to make, and can play fabulous anti-drilling function.Simultaneously, unsteady lock core can further stop the use of dialling robber's instrument again.

3. lock Beam of the present utility model has switch knob, the wheel shank effect of braking valve; The antitheft cover of valve theftproof lock makes its akinesia with tight the covering of switch spindle nose of valve, thereby plays antitheft effect.

4. the utility model is simple in structure, and is easy to use, prevents to steal the generation of oil behavior effectively.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is an A-A sectional view among Fig. 1;

Fig. 4 is the B-B sectional view after inserting key among Fig. 2;

Fig. 5 is three groove key front views;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the schematic diagram of two groove lock cores.

" sequence number explanation in the accompanying drawing "

1: lock body; 2: lock Beam; 3: left dead bolt; 4: right dead bolt; 5: left tongue; 6: right tongue; 7: antitheft hole; 8: valve; 9: the lock core cover; 10: the three-flute lock core; 10a: first groove; 10b: second groove, 10c: three-flute; 10d: shift fork; 11: lock core floats; 12: gland; 13: three groove keys; 20: two groove lock cores; 20a: two groove lock cores, first groove; 20b: two groove lock cores, second groove.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is a front view of the present utility model; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is an A-A sectional view among Fig. 1; Fig. 4 is the B-B sectional view after inserting key among Fig. 2; Fig. 5 is three groove key front views; Fig. 6 is the vertical view of Fig. 5; Fig. 7 is the schematic diagram of two groove lock cores.

As shown in the figure, the utility model provides a kind of valve theftproof lock, and its structure comprises: lock body 1, lock Beam 2, dead bolt, lock core, lock core cover, the lock core more than two grooves that described lock core is with the above key of two grooves cooperates.

As shown in Figure 7, described lock core is two groove lock cores 20.

The structure of described two groove lock cores 20 comprises: be respectively arranged with two groove lock cores, first groove 20a and two groove lock cores, the second groove 20b on the both direction at two groove lock cores, 20 middle parts; Be respectively arranged with the pellet shot from a slingshot (figure does not show) of different permutation and combination in described two groove lock cores, the first groove 20a and two groove lock cores, the second groove 20b.

To shown in Figure 6, described lock core is the three-flute lock core 10 that cooperates with three groove keys 13 as Fig. 1.

Below, be that example describes embodiment of the present utility model with three-flute lock core 10:

Valve theftproof lock of the present utility model comprises: lock body 1, the lock Beam 2: left dead bolt 3, right dead bolt 4, left tongue 5, right tongue 6; Three-flute lock core 10, lock core cover 9.

End at lock body 1 is provided with antitheft hole 7, is fitted with the switch shaft of valve 8 in described antitheft hole 7.

The other end at lock body 1 is provided with the three-flute lock core 10 that cooperates with three groove keys 13.

As shown in Figure 2, described three-flute lock core 10 comprises: be respectively arranged with the first groove 10a, the second groove 10b, three-flute 10c on three directions at three-flute lock core 10 middle parts; Be respectively arranged with the pellet shot from a slingshot (figure does not show) of different permutation and combination in the described first groove 10a, the second groove 10b, the three-flute 10c.The structure of pellet shot from a slingshot is same as prior art in described each groove.

Fig. 4 is the B-B sectional view after inserting key 13 among Fig. 2.

As shown in Figure 4, in described three-flute lock core 10 arranged outside the unsteady lock core 11 of the three-flute that freely rotates is arranged; Being arranged on unsteady lock core 11 outsides of three-flute is the glands 12 that are fixed on the lock body 1.Described three-flute lock core 11 middle parts of floating are provided with the first groove 10a, the second groove 10b that structure is same as three-flute lock core 10 and three grooves of three-flute 10c.

More particularly, the center has the gland 12 of through hole to be contained in the outermost of lock body 1 lockhole, and gland 12 is fixed as one with lock body 1 welding.Gland 12 is pressed on unsteady lock core 11 1 side end faces of three-flute, the unsteady lock core 11 opposite side end faces contact of this three-flute three-flute lock core 10 end faces.The unsteady lock core 11 of described three-flute can freely rotate between gland 12 and three-flute lock core 10.

Behind the two ends suit valve 8 of described lock Beam 2, the lock Beam hole of lock body 1 left and right sides is run through at its two ends, and the sawtooth of lock Beam 2 both sides is blocked by the dead bolt in 1 liang of side chain Beam of lock body hole respectively.

Described dead bolt comprises left dead bolt 3 and right dead bolt 4; Left side dead bolt 3 and right dead bolt 4 are contained in respectively on the shift fork 10d of two position symmetries, and described two shift fork 10d are arranged on three-flute lock core 10 ends in the upper lock body 1.

Below use of the present utility model is described:

Switch shaft with valve 8 inserts in the antitheft hole 7 of lock body 1 earlier, and the lock Beam hole of lock body 1 both sides is passed at the two ends that will lock Beam 2 again; Left dead bolt 3 in the lock body 1 and right dead bolt 4 block the sawtooth of lock Beam 2, and valve 8 is pinned.

When unblanking, pass in gland 12, the unsteady lock core 11 back insertion three-flute lock cores 10 of three-flute with key 13, key 13, key 13 is stirred three-flute lock core 10 and is rotated, two shift fork 10d of three-flute lock core 10 ends rotate thereupon, be contained in the sawtooth of left dead bolt 3 on the shift fork 10d and right dead bolt 4 retraction release lock Beam 2 respectively, lock Beam 2 extracts out from the lock Beam hole on the lock body 1, finishes and unblanks.

Claims (6)

1. valve theftproof lock, its structure comprises: lock body, lock Beam, dead bolt, lock core, lock core cover is characterized in that the lock core more than two grooves that described lock core is with the above key of two grooves cooperates.

2. according to the valve theftproof lock described in the claim 1, it is characterized in that, described lock core is two groove lock cores (20), and its structure comprises: be respectively arranged with two groove lock cores, first grooves (20a) and two groove lock cores, second grooves (20b) on the both direction at two groove lock cores (20) middle part; Be respectively arranged with the pellet shot from a slingshot of different permutation and combination in described two groove lock cores, first grooves (20a) and two groove lock cores, second grooves (20b).

3. according to the valve theftproof lock described in the claim 1, it is characterized in that, described lock core is three-flute lock core (10), and its structure comprises: be respectively arranged with first groove (10a), second groove (10b), three-flute (10c) on three directions at three-flute lock core (10) middle part; Be respectively arranged with the pellet shot from a slingshot of different permutation and combination in described first groove (10a), second groove (10b), the three-flute (10c).

4. according to the valve theftproof lock described in the claim 3, it is characterized in that the unsteady lock core (11) of the three-flute that freely rotates being arranged in described three-flute lock core (10) arranged outside; Being arranged on the unsteady lock core (11) of the three-flute outside is the gland (12) that is fixed on the lock body (1); Float middle part in the lock core (11) of described three-flute is provided with three grooves of first groove (10a), second groove (10b) and three-flute (10c) that structure is same as three-flute lock core (10).

5. according to the valve theftproof lock described in the claim 1, it is characterized in that, behind the two ends suit valve of described lock Beam (2), the lock Beam hole of lock body (1) left and right sides is run through at its two ends, and the sawtooth of lock Beam (2) both sides is blocked by the dead bolt in lock body (1) the two side chain Beam hole respectively.

6. according to the valve theftproof lock described in the claim 5, it is characterized in that described dead bolt comprises left dead bolt (3) and right dead bolt (4); Left side dead bolt (3) and right dead bolt (4) are contained in respectively on the shift fork (10d) of two position symmetries, and described two shift forks (10d) are arranged on the end of the three-flute lock core (10) in the upper lock body (1).

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