CN213391594U

CN213391594U - Anti-theft intelligent lock keyhole protection mechanism

Info

Publication number: CN213391594U
Application number: CN202020766527.6U
Authority: CN
Inventors: 沈亚彬
Original assignee: Guangzhou Snimay Household Co ltd
Current assignee: Guangzhou Snimay Household Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-06-08
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses an anti-theft type intelligence lock key hole protection mechanism relates to intelligent lock technical field, including intelligent lock body, intelligent lock panel and key hole, first spout and second spout have all been seted up to the left and right sides face of intelligent lock body, and the front of intelligent lock body is equipped with intelligent lock sliding closure and key hole sliding closure respectively, and two symmetrical first flutings have been seted up to the positive upside of intelligent lock body, and the both sides of intelligent lock sliding closure bottom surface all extend to first grooved inside. This theftproof formula intelligence lock keyhole protection machanism passes through the intelligence lock sliding closure, first fluting, press the board, first expanding spring, the inserted bar, fixed frame, the second slide, the fourth expanding spring and press the cooperation setting between the pole, the protective effect to the intelligence lock panel has been guaranteed, only need press the intelligence lock sliding closure can protect the intelligence lock panel, when pressing the board, can bounce the intelligence lock sliding closure automatically, realized carrying out the dead effect of lock to the intelligence lock sliding closure, the operation of being convenient for.

Description

Anti-theft intelligent lock keyhole protection mechanism

Technical Field

The utility model relates to an intelligence lock technical field specifically is an anti-theft type intelligence lock key hole protection mechanism.

Background

The intelligent lock is different from a traditional mechanical lock, and is a lock which is more intelligent in the aspects of user identification, safety and manageability, the intelligent lock is an execution part for locking a door in an access control system, an electronic lock cannot be called as the intelligent lock, and the intelligent lock intelligently embodies that whether the mobile phone is linked and operated is indicated.

Current intelligent lock all can be equipped with the key hole and cooperate the use with the fingerprint lock, the sliding closure of general intelligent jam plate does not have the lock effect, it is easy not hard up, thereby the durable effect has been reduced, when the long-time unmanned use of key hole, dust and outside particulate matter can be piled up to the inside of key hole, very easily block up the key hole, the sliding closure of general key hole does not possess buffer function, destroy easily when receiving external collision, the durability of sliding closure has been reduced, thereby the protective effect to the key hole has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pair of theftproof formula intelligence lock key hole protection mechanism to solve the problem that proposes among the above-mentioned background art.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: the utility model provides an anti-theft type intelligence lock key hole protection mechanism, includes intelligent lock body, intelligent lock panel and key hole, first spout and second spout have all been seted up to the left and right sides face of intelligent lock body, the front of intelligent lock body is equipped with intelligent lock sliding closure and key hole sliding closure respectively, two symmetrical first flutings are seted up to the positive upside of intelligent lock body, the both sides of intelligent lock sliding closure bottom surface all extend to first grooved inside, every the equal fixedly connected with of first grooved inner diapire fixes the frame, every the inside of fixed frame all is equipped with fourth expanding spring and second slide.

Two symmetrical second slots are formed in the lower side of the front face of the intelligent lock body, a third telescopic spring and a sliding groove plate are arranged inside each second slot, third sliding plates are fixedly connected to the two sides of the back face of the key hole sliding cover, and a through groove is formed in the lower side of the inside of the intelligent lock body.

Furthermore, every the equal fixedly connected with inserted bar of the positive upside of second slide, the equal fixedly connected with slotted plate in both sides of intelligence lock sliding closure bottom surface, every the equal fixedly connected with in front of second slide presses the pole, the both sides at the intelligence lock sliding closure back all with the inner wall sliding connection of first spout, the equal fixedly connected with first expanding spring in both sides of intelligence lock sliding closure bottom surface, every first expanding spring's bottom all with the last fixed surface of fixed frame be connected.

Through adopting above-mentioned technical scheme, can effectually be convenient for carry out the joint with the intelligence lock sliding closure spacing, guaranteed the intelligence lock sliding closure to intelligent lock panel protective effect, realized the extrusion and pressed the pole, can be with the effect of intelligent lock sliding closure bounce.

Furthermore, both sides at the back of the keyhole sliding cover are in sliding connection with the inner wall of the second sliding groove, the third telescopic springs are arranged at equal intervals, one ends of the third telescopic springs are fixedly connected with the inner wall of the second groove, the other ends of the third telescopic springs are fixedly connected with the back of the sliding groove plate, the outer surface of the sliding groove plate is in sliding connection with the inner wall of the second groove, one ends of the third sliding plates extend into the inner part of the second groove, and the back of the third sliding plates are in sliding connection with the front of the sliding groove plate.

By adopting the technical scheme, the buffering effect and the sliding effect on the key hole sliding cover can be ensured, the key hole sliding cover is prevented from being damaged when being collided by the outside, and meanwhile, the key hole sliding cover is also ensured to play a protection effect on the key hole.

Further, every the opening has all been seted up to a side of fixed frame upper surface, every the one end of fourth expanding spring all with the inner wall fixed connection of fixed frame, every the other end of fourth expanding spring all with the back fixed connection of second slide, every the surface of second slide all with the inner wall sliding connection of fixed frame, every the draw-in groove has all been seted up to the downside at the socket board back, every the one end of inserted bar all with the draw-in groove looks adaptation of socket board.

By adopting the technical scheme, the clamping effect between the inserted bar and the slot plate can be conveniently controlled, so that the limit of the sliding cover of the intelligent lock is realized.

Further, every the one end of pressing the pole all runs through fixed frame and intelligent lock body in proper order and extends to the outside of intelligent lock body, the front of pressing the pole is equipped with presses the board, press the both sides at the board back all with the front fixed connection who presses the pole.

Through adopting above-mentioned technical scheme, can effectually be convenient for press the press rod to extrude fourth expanding spring and second slide, the operation of being convenient for.

Further, the fixed rotary drum that inlays of inner diapire that leads to the groove, the inner circle fixedly connected with bull stick of rotary drum, the top fixedly connected with carousel of bull stick, the upper surface of carousel has two connecting rods through the fixed hinge joint of round pin axle, the inner diapire sliding connection that leads to the groove has two first slides, every a side of first slide all is equipped with second expanding spring and spacing pin.

Through adopting above-mentioned technical scheme, can effectually realize rotating the bull stick, carry out the extension of equidirectional not with two connecting rods and shorten, carry out spacingly to the key hole sliding closure.

Further, every the one end of connecting rod all is articulated through the last fixed surface of round pin axle with first slide, every the one end of second expanding spring all with a side fixed connection of first slide, every the other end of second expanding spring all with the inside wall fixed connection who leads to the groove, every the one end of spacing pin all with a side fixed connection of first slide, every the other end of spacing pin all runs through the intelligence lock body and extends to the outside of intelligence lock body, and every spacing pin all is located the inside of second expanding spring.

Through adopting above-mentioned technical scheme, can effectually stimulate first slide through the connecting rod, further stimulate spacing pin to make spacing pin remove the spacing stopping to the key hole sliding closure, can unblank the key hole, loosen the rotation to the bull stick, can stretch out spacing pin automatically through second expanding spring, carry out the spacing stopping to the key hole sliding closure.

Furthermore, the bottom surface of the rotating rod penetrates through the rotating cylinder and extends to the position under the intelligent lock body, the rotating handle is fixedly connected to the bottom surface of the rotating rod, a universal ball is fixedly embedded in one side face of each limiting stop lever, and rubber blocks are fixedly connected to the left side face and the right side face of the key hole sliding cover.

Through adopting above-mentioned technical scheme, can effectually be convenient for rotate the bull stick to and universal ball can slide with the inside wall of key hole sliding closure, avoid the key hole sliding closure to appear blocking the phenomenon, improved the frictional force to the key hole sliding closure, be convenient for slide the key hole sliding closure from top to bottom.

Compared with the prior art, this theftproof formula intelligence lock keyhole protection mechanism possesses following beneficial effect:

1. the utility model can ensure the protective effect to the intelligent lock panel through the matching arrangement between the intelligent lock sliding cover, the first open slot, the press plate, the first expansion spring, the inserted bar, the inserted groove plate, the fixed frame, the second sliding plate, the fourth expansion spring and the press bar, only the intelligent lock sliding cover is pressed to protect the intelligent lock panel, when the press plate is pressed, the sliding cover of the intelligent lock can be automatically bounced, the effect of locking the sliding cover of the intelligent lock is realized, the operation is convenient, the second slot, the chute plate, the third telescopic spring, the key hole sliding cover, the third sliding plate and the second chute are matched, so that the key hole can be effectively and conveniently protected, meanwhile, the key hole sliding cover has a buffering effect, the third sliding plate is used for extruding the sliding groove plate and compressing the third telescopic spring, and the buffering effect of the key hole sliding cover is greatly improved.

2. The utility model can effectively and conveniently carry out the clamping limit of the sliding cover of the intelligent lock through the arrangement of the sliding cover of the intelligent lock, the first sliding groove, the inserted link, the slot plate, the press rod, the first expansion spring and the fixed frame, thereby ensuring the protection effect of the sliding cover of the intelligent lock on the intelligent lock panel, realizing the effect of extruding the press rod to bounce the sliding cover of the intelligent lock, ensuring the buffering effect and the sliding effect of the sliding cover of the key hole through the arrangement of the sliding cover of the key hole, the second sliding groove, the third expansion spring, the second slot, the sliding plate and the third sliding plate, preventing the sliding cover of the key hole from being damaged when the sliding cover of the key hole is collided by the outside, simultaneously ensuring the protection effect of the sliding cover of the key hole, and conveniently controlling the clamping effect between the inserted link and the slot plate through the arrangement of the fourth expansion spring and the second sliding plate, thereby realizing the limit of the intelligent lock, the pressing rod can be effectively and conveniently pressed through the arrangement of the pressing rod and the pressing plate, so that the fourth expansion spring and the second sliding plate are extruded and the operation is convenient, the rotating rod can be effectively rotated through the arrangement of the rotary drum, the rotating rod and the rotary disc, the two connecting rods can be extended and shortened in different directions, the key hole sliding cover is limited, the first sliding plate, the second expansion spring, the through groove and the limiting stop rod are arranged, the first sliding plate can be effectively pulled through the connecting rod, the limiting stop rod is further pulled, so that the limiting stop rod can remove limiting blocking of the key hole sliding cover, the key hole can be unlocked, the rotation of the rotating rod is released, the limiting stop rod can be automatically extended through the second expansion spring, the key hole sliding cover is limited and blocked, and the rotating rod can be effectively and conveniently rotated through the arrangement of the rotating handle, the universal ball and the rubber block, and the universal ball can slide with the inner side wall of the key hole sliding cover, so that the key hole sliding cover is prevented from being clamped, the friction force on the key hole sliding cover is improved, and the key hole sliding cover can slide up and down conveniently.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the left-side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

FIG. 5 is an enlarged schematic view of the A-position in FIG. 2 according to the present invention

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 2 according to the present invention

FIG. 7 is an enlarged schematic view of the structure at the position C in FIG. 3 according to the present invention

FIG. 8 is an enlarged schematic view of the structure at D position in FIG. 3 according to the present invention

In the figure: 1. an intelligent lock body; 2. a first chute; 3. a sliding cover of the intelligent lock; 4. an intelligent lock panel; 5. a first slot; 6. pressing a plate; 7. a keyhole slip cover; 8. a second chute; 9. a first extension spring; 10. a chute plate; 11. a second slot; 12. a key hole; 13. a through groove; 14. a first slide plate; 15. a second extension spring; 16. a limit stop lever; 17. a rotating rod; 18. a rotating drum; 19. a connecting rod; 20. a turntable; 21. a third extension spring; 22. a fixing frame; 23. a second slide plate; 24. a fourth extension spring; 25. a pressing rod; 26. inserting a rod; 27. a slot plate; 28. and a third sliding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an anti-theft intelligent lock keyhole protection mechanism comprises an intelligent lock body 1, an intelligent lock panel 4 and a keyhole 12, wherein the left side surface and the right side surface of the intelligent lock body 1 are respectively provided with a first chute 2 and a second chute 8, the aperture value of each second chute 8 is larger than the width value of the left side surface and the right side surface of a keyhole slip cover 7, the front of the intelligent lock body 1 is respectively provided with an intelligent lock slip cover 3 and a keyhole slip cover 7, the upper side of the front of the intelligent lock body 1 is provided with two symmetrical first slots 5, both sides of the bottom surface of the intelligent lock slip cover 3 extend to the inside of the first slots 5, the inner bottom wall of each first slot 5 is fixedly connected with a fixed frame 22, the inside of each fixed frame 22 is provided with a fourth expansion spring 24 and a second sliding plate 23, the upper side of the front of each second sliding plate 23 is fixedly connected with an inserted bar 26, both sides of the bottom surface of the intelligent lock slip cover 3 are, the front of each second sliding plate 23 is fixedly connected with a press rod 25, two sides of the back of the sliding cover 3 of the intelligent lock are slidably connected with the inner wall of the first sliding groove 2, two sides of the bottom of the sliding cover 3 of the intelligent lock are fixedly connected with first expansion springs 9, the bottom end of each first expansion spring 9 is fixedly connected with the upper surface of the fixed frame 22, the sliding cover 3 of the intelligent lock can be effectively clamped and limited, the protection effect of the sliding cover 3 of the intelligent lock on the intelligent lock panel 4 is ensured, the press rod 25 is extruded, the sliding cover 3 of the intelligent lock can be bounced, one side surface of the upper surface of each fixed frame 22 is provided with an opening, one end of each fourth expansion spring 24 is fixedly connected with the inner wall of the fixed frame 22, the other end of each fourth expansion spring 24 is fixedly connected with the back of the second sliding plate 23, the outer surface of each second sliding plate 23 is slidably connected with the inner wall of the fixed, the draw-in groove has all been seted up to the downside at every slot board 27 the back, the one end of every inserted bar 26 all with slot board 27's draw-in groove looks adaptation, can be convenient for control the joint effect between inserted bar 26 and the slot board 27, thereby realized spacing to intelligent lock sliding closure 3, every one end according to pole 25 all runs through fixed frame 22 and intelligent lock body 1 in proper order and extends to the outside of intelligent lock body 1, the front of pressing pole 25 is equipped with presses board 6, press the both sides at the 6 backs of board all with the front fixed connection who presses pole 25, can effectually be convenient for press according to pole 25, thereby extrude fourth expanding spring 24 and second slide 23, the operation of being convenient for.

Two symmetrical second open grooves 11 are formed in the lower side of the front face of the intelligent lock body 1, a third expansion spring 21 and a sliding groove plate 10 are arranged in each second open groove 11, third sliding plates 28 are fixedly connected to both sides of the back face of the keyhole sliding cover 7, a through groove 13 is formed in the lower side of the interior of the intelligent lock body 1, a rotary drum 18 is fixedly embedded in the inner bottom wall of the through groove 13, a rotary rod 17 is fixedly connected to the inner ring of the rotary drum 18, a rotary table 20 is fixedly connected to the top end of the rotary rod 17, two connecting rods 19 are fixedly hinged to the upper surface of the rotary table 20 through pin shafts, two first sliding plates 14 are slidably connected to the inner bottom wall of the through groove 13, a second expansion spring 15 and a limiting stop rod 16 are arranged on one side face of each first sliding plate 14, one end of each connecting rod 19 is fixedly hinged to the upper surface of the first sliding plate 14 through pin shafts, one end of each second expansion spring, the other end of each second expansion spring 15 is fixedly connected with the inner side wall of the through groove 13, one end of each limit stop lever 16 is fixedly connected with one side surface of the first sliding plate 14, the other end of each limit stop lever 16 penetrates through the intelligent lock body 1 and extends to the outside of the intelligent lock body 1, each limit stop lever 16 is positioned inside the second expansion spring 15, the first sliding plate 14 can be effectively pulled through the connecting rod 19, the limit stop lever 16 is further pulled, so that the limit stop lever 16 releases the limit blocking of the key hole sliding cover 7, the key hole 12 can be unlocked, the rotation of the rotating rod 17 is released, the limit stop lever 16 can be automatically extended out through the second expansion spring 15 to perform the limit blocking of the key hole sliding cover 7, the rotating rod 17 can be effectively rotated, and the two connecting rods 19 can be extended and shortened in different directions, the key hole sliding cover 7 is limited, two sides of the back of the key hole sliding cover 7 are slidably connected with the inner wall of the second sliding groove 8, the third telescopic springs 21 are arranged at equal intervals, one end of each third telescopic spring 21 is fixedly connected with the inner wall of the second opening groove 11, the other end of each third telescopic spring 21 is fixedly connected with the back of the sliding groove plate 10, the outer surface of each sliding groove plate 10 is slidably connected with the inner wall of the second opening groove 11, one end of each third sliding plate 28 extends into the second opening groove 11, the back of each third sliding plate 28 is slidably connected with the front of the sliding groove plate 10, meanwhile, the third sliding plate 28 can play a limiting effect on the sliding groove plate 10 to prevent the key hole sliding cover 7 from falling, the buffering effect and the sliding effect on the key hole sliding cover 7 can be ensured, and the key hole 7 is prevented from being damaged when being collided with the outside, meanwhile, the key hole sliding cover 7 is guaranteed to be capable of playing a protection effect on the key hole 12, the bottom surface of the rotating rod 17 penetrates through the rotating cylinder 18 and extends to the position under the intelligent lock body 1, the bottom surface of the rotating rod 17 is fixedly connected with a rotating handle, a universal ball is fixedly embedded in one side surface of each limiting stop rod 16, rubber blocks are fixedly connected to the left side surface and the right side surface of the key hole sliding cover 7, the rotating rod 17 can be effectively and conveniently rotated, the universal balls can slide with the inner side wall of the key hole sliding cover 7, the phenomenon that the key hole sliding cover 7 is clamped is avoided, the friction force of the key hole sliding cover 7 is improved, and the key hole sliding cover 7 can be conveniently slid up and down.

When the intelligent lock is used, the pressing plate 6 is pressed to enable the pressing rod 25 to be extruded to the second sliding plate 23, the second sliding plate 23 pushes the fourth telescopic spring 24, the inserting rod 26 can be far away from the slot plate 27, the intelligent lock sliding cover 3 can be automatically ejected through the elastic force of the first telescopic spring 9, the intelligent lock panel 4 can be operated, when the intelligent lock sliding cover 3 is closed, only the intelligent lock sliding cover 3 is pressed to clamp the slot at the slot plate 27 into the inserting rod 26, the intelligent lock sliding cover 3 can be self-locked, when the key hole 12 needs to be operated, the rotating handle only needs to be rotated, the two connecting rods 19 are moved through the rotation of the rotating rod 17, at the moment, the two connecting rods 19 can pull the first sliding plate 14, the first sliding plate 14 pulls the limit stop lever 16, then the key hole sliding cover 7 slides downwards, the key hole 12 can be operated, when the key hole sliding cover 7 is closed, the key hole sliding cover 7 only needs to slide upwards, the limiting stop lever 16 limits and stops two sides of the bottom surface of the keyhole slip cover 7, when the keyhole slip cover 7 is collided by the outside, the keyhole slip cover 7 can extrude to the chute plate 10 through the third sliding plate 28, so that the chute plate 10 compresses the third expansion spring 21, and a buffering effect can be generated on the keyhole slip cover 7.

Claims

1. The utility model provides an anti-theft type intelligence lock key hole protection mechanism, includes intelligent lock body (1), intelligent lock panel (4) and key hole (12), its characterized in that: the intelligent lock comprises an intelligent lock body (1), a first sliding groove (2) and a second sliding groove (8) are formed in the left side surface and the right side surface of the intelligent lock body (1), an intelligent lock sliding cover (3) and a key hole sliding cover (7) are arranged on the front surface of the intelligent lock body (1), two symmetrical first open grooves (5) are formed in the upper side of the front surface of the intelligent lock body (1), two sides of the bottom surface of the intelligent lock sliding cover (3) extend into the first open grooves (5), a fixed frame (22) is fixedly connected to the inner bottom wall of each first open groove (5), and a fourth expansion spring (24) and a second sliding plate (23) are arranged in each fixed frame (22);

two symmetrical second fluting (11) have been seted up to the positive downside of intelligent lock body (1), every the inside of second fluting (11) all is equipped with third expanding spring (21) and chute board (10), the equal fixedly connected with third slide (28) in both sides at the key hole sliding closure (7) back, logical groove (13) have been seted up to the inside downside of intelligent lock body (1).

2. The anti-theft intelligent key hole protection mechanism of claim 1, characterized in that: every the equal fixedly connected with inserted bar (26) of positive upside of second slide (23), the equal fixedly connected with inserted groove board (27) in both sides of intelligence lock sliding closure (3) bottom surface, every the equal fixedly connected with in front of second slide (23) presses pole (25), the both sides at the intelligence lock sliding closure (3) back all with the inner wall sliding connection of first spout (2), the equal fixedly connected with first expanding spring (9) in both sides of intelligence lock sliding closure (3) bottom surface, every the bottom of first expanding spring (9) all is connected with the last fixed surface of fixed frame (22).

3. The anti-theft intelligent key hole protection mechanism of claim 1, characterized in that: both sides at the key hole sliding closure (7) back all with the inner wall sliding connection of second spout (8), third expanding spring (21) are the equidistance and arrange, and every the one end of third expanding spring (21) all with the inner wall fixed connection of second fluting (11), every the other end of third expanding spring (21) all with the back fixed connection of spout board (10), every the surface of spout board (10) all with the inner wall sliding connection of second fluting (11), every the one end of third slide (28) all extends to the inside of second fluting (11), and every the back of third slide (28) all with the front sliding connection of spout board (10).

4. The anti-theft intelligent key hole protection mechanism of claim 2, characterized in that: every the opening has all been seted up to a side of fixed frame (22) upper surface, every the one end of fourth expanding spring (24) all with the inner wall fixed connection of fixed frame (22), every the other end of fourth expanding spring (24) all with the back fixed connection of second slide (23), every the surface of second slide (23) all with the inner wall sliding connection of fixed frame (22), every the draw-in groove has all been seted up to the downside at the notch board (27) back, every the one end of inserted bar (26) all with the draw-in groove looks adaptation of notch board (27).

5. The anti-theft intelligent key hole protection mechanism of claim 2, characterized in that: every the one end of pressing pole (25) all runs through fixed frame (22) and intelligent lock body (1) in proper order and extends to the outside of intelligent lock body (1), the front of pressing pole (25) is equipped with presses board (6), press the both sides at the board (6) back all with the front fixed connection who presses pole (25).

6. The anti-theft intelligent key hole protection mechanism of claim 1, characterized in that: the inner bottom wall of logical groove (13) is fixed to be inlayed and is had rotary drum (18), inner circle fixedly connected with bull stick (17) of rotary drum (18), top fixedly connected with carousel (20) of bull stick (17), the upper surface of carousel (20) has two connecting rods (19) through the fixed hinge joint of round pin axle, the inner bottom wall sliding connection who leads to groove (13) has two first slides (14), every a side of first slide (14) all is equipped with second expanding spring (15) and spacing pin (16).

7. The anti-theft intelligent key hole protection mechanism of claim 6, characterized in that: every the one end of connecting rod (19) all is articulated through the last fixed surface of round pin axle with first slide (14), every the one end of second expanding spring (15) all with a side fixed connection of first slide (14), every the other end of second expanding spring (15) all with the inside wall fixed connection who leads to groove (13), every the one end of spacing pin (16) all with a side fixed connection of first slide (14), every the other end of spacing pin (16) all runs through intelligent lock body (1) and extends to the outside of intelligent lock body (1), and every spacing pin (16) all are located the inside of second expanding spring (15).

8. The anti-theft intelligent key hole protection mechanism of claim 6, characterized in that: the bottom surface of bull stick (17) all runs through rotary drum (18) and extends to under intelligent lock body (1), and the bottom surface fixedly connected with of bull stick (17) changes the handle, every one side of spacing pin (16) all is fixed to be inlayed and is had universal ball, the equal fixedly connected with rubber block of the left and right sides face of key hole sliding closure (7).