CN200978572Y - Direct-push type anti-theft lock - Google Patents

Abstract

The utility model relates to a push-stem theftproof lock, comprising a lock shell (1), a lock pin (2) and a lock rod (3) provided with notches (31) at the end portions. The lock shell (1) is provided with a lockhole (111) for inserting the lock rod (3), the lock pin (2) is arranged in a sealed cavity (13) inside the lock pin (2) and longitudinally moves in the cavity (13) which is simultaneously provided with an offsetting spring for resetting the lock pin (2). Raised portions (21) capable of blocking in the notches (31) on the lock rod are arranged on the upper portion inner side of the lock pin (2), and the lower portion of the lock pin (2) is locked in the lock shell (1) through a spring lock structure. The lower of the lock shell (1) is longitudinally equipped with a keyhole (121), and the middle portion of the lock pin (2) is transversally equipped with catch bar (22). The utility model is a push-stem theftproof lock which can completely hidden the lock pin in the lock shell, with the advantages of uneasily destroyed lock pin, simple structure and great theftproof performance.

Description

A kind of pushing antitheft lock

Technical field

The utility model relates to the technical field of lock, relates in particular to a kind of pushing antitheft lock.

Background technology

Existing theftproof lock is of a great variety, and it generally all includes lock housing, and is arranged on the lock core in the lock housing, and generally expose the lower surface of lock core, and described keyhole just is arranged on the lock core.Most theftproof lock is a rotary type, after promptly key inserts keyhole, rotates and just can open lock, and also having a kind of is direct-push, after promptly key inserts keyhole, promotes whether lock core is descending unblanks with decision again.But all expose its lower surface of lock core in existing above-mentioned two kinds of theftproof locks.

As a patent No. is that the Chinese utility model patent " the comprehensive cylinder anti-theft lock end of combined type key twin-lock core " of ZL00222175.6 (notification number is CN2408190Y) has disclosed the structure so a kind of, the comprehensive cylinder anti-theft lock end of a kind of combined type key twin-lock core is by lock body, lock core with associatedly key combinedly constitute; It is characterized in that described lock core adopts the forward and backward twin-lock cored structure that is separated from each other, have vertical longitudinally on the forward and backward lock core or be basically perpendicular to the pellet shot from a slingshot hole of lock core shaft that the pellet shot from a slingshot hole is built-in with pellet shot from a slingshot, the keyhole slots angular arrangement of forward and backward lock core is inconsistent; Have the horizontal pellet shot from a slingshot hole consistent with rear lock core keyhole slots angle on the rear lock core rear side, the hole is built-in with pellet shot from a slingshot; Described key combinedly form by handle, tooth spare and telescoping mechanism that key the place ahead tooth spare is stretched out, key combined enter lockhole after, its key adjustable in length.This lock is exactly that traditional rotary type bicycle lock is improved, though it has improved theftproof performance, its structure is quite complicated, and an end face of lock core also exposes.

Be that the Chinese utility model patent " direct-push bicycle lock " of ZL03210071.X (notification number is CN2634051Y) has disclosed the structure so a kind of also as a patent No., a kind of direct-push bicycle lock, mainly form by a ring lock body and a tapered end, tapered end is located at ring lock body one side, it is characterized in that: the lock core in the described tapered end can push away before the tapered end direction, but push away before the mat lock core and laterally the stop of slippage be located at the front end of lock core, described stop left end is provided with stop and pushes away spring, and its right-hand member can prop up the breach on the lock ring.Have a skewed slot on described lock core front portion or stop, be provided with a pin on described stop or lock core, this pin is embedded in the described skewed slot.Owing to adopt direct-push rectangle lock core, make tapered end partly be completely free of the limitation that original rotary lock core must adopt cylindrical tapered end, whole lock body can attenuate, can be used for various multi-form bicycle locks, and for develop new product, new varieties have created condition.But an end face of its lock core still exposes.

Because lock core exposes, so just make things convenient for the thief to destroy lock core by force and cause lock to lose efficacy, and then reach the purpose of pilferage, therefore such lock construction can not play antitheft effect better.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of pushing antitheft lock that lock core can be hidden in fully in the lock housing at above-mentioned prior art present situation, and it has lock core and is difficult for advantage destroyed, simple in structure, that theftproof performance is good.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of pushing antitheft lock, include the locking bar that lock housing, lock core, end have notch, lock housing is provided with the lockhole that inserts for locking bar, it is characterized in that described lock core is contained in the interior enclosed cavity of lock housing, and in this cavity, vertically move, in this cavity, also be provided with the back-moving spring that lock core is resetted simultaneously; The upper inner of lock core has can snap in the notch that is positioned on the locking bar locking bar is locked in the protuberance of lockhole, and the bottom of lock core is locked in the lock housing by billiards lock structure; The bottom of described lock housing has vertical setting for removing the keyhole that the key of billiards lock structure to the lock core locking inserts; The middle part of described lock core has the catch bar of horizontally set so that the key promotion lock core that inserts in the keyhole vertically moves in lock housing.

Improve further, hard thing is inserted in the keyhole, promote lock core by force, realize the purpose of unblanking having breach on the above-mentioned catch bar for preventing the lawless person.Promote catch bar by force with hard thing as the lawless person like this, want to force lock core up unblanking, owing to have breach on the catch bar, by force firmly under the situation, catch bar can so promptly have been protected lock core at first in the indentation, there disconnection, can not lock be opened again again.

Further improve, for making after the lawless person has destroyed this theftproof lock, oneself can also be opened, have dial hole on the above-mentioned lock core, on lock housing, has the vertical guide groove that matches with dial hole, this theftproof lock also comprises a standby shift fork, has the poke rod that can pass vertical guide groove and insert dial hole on the shift fork.During use key is inserted, shift fork is then inserted in the locking of contact cylinder lock, and poke rod is inserted in the jack, upwards promotes lock core again to unblank the identical or summary height of distance that the height of cannelure is up with lock core.

Above-mentioned billiards lock structure can be: in the pellet shot from a slingshot hole that lock housing sidewall one side has the vertical setting of two rows at least and communicates with keyhole, and on the bottom of lock core, have the perforation that communicates and match with the pellet shot from a slingshot hole, be disposed with spring, first pellet shot from a slingshot, second pellet shot from a slingshot, the 3rd pellet shot from a slingshot in the pellet shot from a slingshot hole from outside to inside, wherein the width of the width of second pellet shot from a slingshot and perforation is identical, the 3rd pellet shot from a slingshot inner end portion is exposed in the keyhole, under unlocked conditions, second pellet shot from a slingshot just in time is positioned at the perforation of lock core bottom.This billiards lock structure is arranged on a side of lock housing, and it is simple relatively billiards lock structure.

Above-mentioned billiards lock structure also can be: the pellet shot from a slingshot hole that has the vertical setting of two rows in lock housing sidewall both sides respectively at least and communicate with keyhole, the pellet shot from a slingshot hole is positioned at the both sides of keyhole, and on the both sides of the bottom of lock core, have the perforation that communicates and match with the pellet shot from a slingshot hole, be disposed with spring, first pellet shot from a slingshot, second pellet shot from a slingshot, the 3rd pellet shot from a slingshot in the pellet shot from a slingshot hole from outside to inside, wherein the width of the width of second pellet shot from a slingshot and perforation is identical, the 3rd pellet shot from a slingshot inner end portion is exposed in the keyhole, under unlocked conditions, second pellet shot from a slingshot just in time is positioned at the perforation of lock core bottom.In the lock housing both sides billiards lock structure is set and strengthens theftproof performance, because the many more teeth on the key of structure combination and variation is just many.Certainly above-mentioned two kinds of billiards lock structures are conventional design, and its structure, operating principle are identical with existing cylinder lock.

Above-mentioned lockhole can have two, each lockhole sidepiece communicates with described cavity respectively, and described locking bar takes the shape of the letter U, and described notch is positioned at two ends of U-shape sword iron, under the state of locking, the protuberance on lock core top snaps in the notch on the locking bar locking bar is locked in the lockhole.Above-mentioned lockhole also can be one, and the sidepiece of lockhole communicates with described cavity, and described locking bar is direct rod shape, and described notch is positioned at the end of locking bar, and under the state of locking, the protuberance on lock core top snaps in the notch on the locking bar locking bar is locked in the lockhole.Above-mentioned lockhole still is one, the sidepiece of lockhole communicates with described cavity, one end of described locking bar can be connected with lock housing mutually by chain, described notch is positioned at the other end of locking bar, under the state of locking, the notch that the protuberance on lock core top snaps on the locking bar is interior so that locking bar is locked in the lockhole.The mode of these three kinds of lockhole settings is in order to adapt with different locking bars, with the convenient lock of making various different profiles, increases customer's range of choice.

For convenient lock core is assembled in the lock housing, above-mentioned lock housing can be made up of last lock housing and following lock housing, and the described lock housing that goes up is fixed together with following lock housing.Also can adopt left and right sides lock housing two parts to form, be fixed together left and right sides lock housing into a single integrated structure.

The structure that above-mentioned last lock housing and following lock housing are fixed together is: described upward lock housing bottom has one will descend the tight cover of lock housing sleeve within it.Adopt that this fixed form can make that lock housing fixedlys connected with following lock housing firmly.Can certainly be the mode of welding, this fixed form be fairly simple.

Compared with prior art, advantage of the present utility model is: this theftproof lock is hidden in lock housing inside fully with lock core, can't see from the outside of lock housing and contacts lock core, and the lawless person can't be taken place by destroying the situation that the lock core means cause locking inefficacy like this; Also having theftproof lock is the direct-push lock, so it has all advantages of direct-push lockset.

Description of drawings

Fig. 1 is the structure sectional view (lock-out state) of first embodiment of the utility model;

Fig. 2 is the structure sectional view (unlocking condition) of first embodiment of the utility model;

Fig. 3 is the structural representation of locking bar among first embodiment of the utility model;

Fig. 4 is the structural representation of lock core among first embodiment of the utility model;

Fig. 5 is a front view of going up lock housing among first embodiment of the utility model;

Fig. 6 is a upward view of going up lock housing among first embodiment of the utility model;

Fig. 7 is the structural representation of shift fork among first embodiment of the utility model;

Fig. 8 is the front view of following lock housing among first embodiment of the utility model;

Fig. 9 is the upward view of following lock housing among first embodiment of the utility model;

Figure 10 is a structural representation of going up lock housing and the combination of following lock housing employing interference fit among first embodiment of the utility model;

Go up the structural representation that lock housing and following lock housing adopt the combination of cover riveted joint mode among first embodiment of Figure 11 the utility model;

Figure 12 is the structure sectional view (lock-out state) of second embodiment of the utility model;

Figure 13 is the structural representation of locking bar among second embodiment of the utility model;

Figure 14 is the structure sectional view (lock-out state) of the 3rd embodiment of the utility model.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Shown in Fig. 1～11, be first embodiment of the present utility model.

A kind of pushing antitheft lock comprises:

Lock housing 1, above-mentioned lock housing 1 is made up of last lock housing 11 and following lock housing 12, the described lock housing 11 that goes up is fixed together with following lock housing 12, the structure that last lock housing 11 and following lock housing 12 are fixed together can for: describedly go up lock housing 11 and following lock housing 12 is weldingly fixed on together, it is the fixed form that first embodiment adopted; Certainly fixed form also can for: described lock housing 11 bottoms of going up have one and will descend the sheathed sleeves 112 in it of lock housing 12, described lock housing down 12 adopts the mode of interference fit to be fixed in the sleeve 112, interference fit is conventional processing technology, certainly also can adopt the cover riveted way will descend lock housing 12 to be fixed in the sleeve 112, promptly has a rib that bends inwards 114 in the bottom of sleeve 112, to block down the lower surface of lock housing 12, be tight fit between following lock housing 12 and the sleeve 112; Has vertical setting for removing the keyhole 121 that the key of billiards lock structure to lock core 2 lockings inserts, shown in Figure 10,11 on the lock housing 12 down;

Locking bar 3, locking bar 3 takes the shape of the letter U, and two end side faces of U-shape sword iron 3 have annular notch 31;

Lock core 2, lock core 2 is H shape roughly, lock core 2 is contained in the enclosed cavity 13 in the lock housing 1, and in this cavity 13, vertically move, the first half of lock core 2 is positioned at the cavity 13 of lock housing 11, be provided with two lockholes 11 1 that can insert for locking bar 3 at the front end face of last lock housing 11, lockhole 111 sidepieces communicate with cavity 13 on the last lock housing 11; The first half inboard of lock core 2 has and matches with lockhole 111 and can snap in the notch 31 on the locking bar 3 locking bar 3 is locked in the protuberance 21 in the lockhole 111; Also be provided with in the cavity 13 in last lock housing 11 and lock core 2 is resetted and be positioned at two back-moving springs 4 above the lock core 2, an end of each back-moving spring 4 supports the last inwall that is located at cavity 13, and the other end is to the upper surface that is located at lock core 2; The Lower Half of lock core 2 is positioned at lock housing 1 down, and the Lower Half of lock core 2 is locked in the lock housing 1 by billiards lock structure; The middle part of lock core 2 has the catch bar 22 of horizontally set so that the key promotion lock core 2 that inserts in the keyhole 121 vertically moves in lock housing 1, catch bar 22 also can vertically move in enclosed cavity 13, have two breach 221 on the catch bar 22, wherein key does not show in the drawings;

Billiards lock structure between described lock core 2 and the following lock housing 12 is: in lock housing 1 sidewall both sides respectively three rows vertically be provided with and and the pellet shot from a slingshot holes 122 that communicate of keyhole 121, pellet shot from a slingshot hole 122 is positioned at the both sides of keyhole, and on the both sides of the bottom of lock core 2, have the perforation 23 that communicates and match with pellet shot from a slingshot hole 122, be disposed with spring 5 in the pellet shot from a slingshot hole 122 from outside to inside, first pellet shot from a slingshot 6, second pellet shot from a slingshot 7, the 3rd pellet shot from a slingshot 8, wherein the width of second pellet shot from a slingshot 7 is identical with the width of perforation 23, the 3rd pellet shot from a slingshot 8 inner end portion are exposed in the keyhole 121, and the 3rd pellet shot from a slingshot 8 side faces have certain tapering, such the 3rd pellet shot from a slingshot 8 is fallen in the keyhole 121 with regard to not deviating from from pellet shot from a slingshot hole 122, this also is a conventional design, under lock-out state, three pellets shot from a slingshot 6,7, joint face between 8 between end facing each other and lock core 2 and the following lock housing 12 is not on same straight line, under the fixed state of unblanking, second pellet shot from a slingshot 7 just in time is positioned at 23, three pellets shot from a slingshot 6 of perforation of lock core 2 bottoms, 7, joint face between 8 between end facing each other and lock core 2 and the following lock housing 12 is on same straight line; Certainly it also can only be provided with billiards lock structure between lock housing 1 sidewall, one side and lock core 2, also can be provided with two rows or four row even more row's pellets shot from a slingshot holes 122 in the one side, and these change the billiards lock structure that all belongs to conventional;

The described lockhole of going up on the lock housing 11 111 has two, the protuberance 21 on lock core 2 tops also is two, and be oppositely arranged, under the state of locking, two protuberances 21 on lock core 2 tops just in time lay respectively at corresponding separately lockhole 111 places, to snap in the notch 31 on the locking bar 3 that inserts in the lockhole 111 so that locking bar 3 is locked in the lockhole 111;

Lock core 2 bottoms have dial hole 24, have the vertical guide groove 113 that matches with dial hole 24 on last lock housing 11, and this theftproof lock also comprises a standby shift fork 9, have the poke rod 91 that can pass vertical guide groove 113 and insert dial hole 24 on the shift fork 9.

Shown in Figure 12～13, be second embodiment of the present utility model, the difference of itself and first embodiment is: the described lockhole of going up on the lock housing 11 111 is one, the cavity of ccontaining lock core 2 communicates on the sidepiece of lockhole 111 both sides and the last lock housing 11, described locking bar 3 is direct rod shape, described notch 31 is positioned at the end of locking bar 3, under the state of locking, the protuberance 21 on lock core 2 tops just in time is positioned at lockhole 111 places, to snap in the notch 31 on the locking bar 3 that inserts in the lockhole 111 so that locking bar 3 is locked in the lockhole 111; The fixed form that goes up among this embodiment between lock housing 11 and the following lock housing 12 is: have one in last lock housing 11 bottoms and will descend the sheathed sleeve 112 in it of lock housing 12, described lock housing down 12 adopts the cover riveted way will descend lock housing 12 to be fixed in the sleeve 112, promptly has a rib that bends inwards 113 in the bottom of sleeve 112, to block down the lower surface of lock housing 12, be tight fit between following lock housing 12 and the sleeve 112.

As shown in figure 14, be the 3rd embodiment of the present utility model, the difference of itself and above-mentioned two embodiment is: the described lockhole of going up on the lock housing 11 111 is one, the cavity of ccontaining lock core 2 communicates on the sidepiece of lockhole 111 and the last lock housing 11, one end of described locking bar 3 links to each other with an end of a chain 32, the other end of chain 32 then links to each other with last lock housing 11, described notch 31 is positioned at the other end of locking bar 3, under the state of locking, the protuberance 21 on lock core 2 tops just in time is positioned at lockhole 111 places, to snap in the notch 31 on the locking bar 3 that inserts in the lockhole 111 so that locking bar 3 is locked in the lockhole 111; The fixed form that goes up among this embodiment between lock housing 11 and the following lock housing 12 is: have one in last lock housing 11 bottoms and will descend the sheathed sleeve 112 in it of lock housing 12, described lock housing down 12 adopts the cover riveted way will descend lock housing 12 to be fixed in the sleeve 112, promptly has a rib that bends inwards 113 in the bottom of sleeve 112, to block down the lower surface of lock housing 12, be tight fit between following lock housing 12 and the sleeve 112.

The operating principle of above-mentioned three embodiment and process are the same:

Earlier key is inserted in the keyhole 121 when locking, key does not show in the drawings, three pellets shot from a slingshot 6,7,8 under the impetus of tooth on the key, overcome the elastic force of the spring 5 that is positioned at pellet shot from a slingshot hole 122 respectively, corresponding to pusher, the perforation 23 that is positioned at until second pellet shot from a slingshot 7, i.e. three pellets shot from a slingshot 6,7, joint face between 8 between end facing each other and lock core 2 and the following lock housing 12 is located on the same straight line, like this lock core 2 just can be in lock housing 1 straight skidding, then promote catch bar 22 with key, and then drive lock core 2 and move in lock housing 1, protuberance 21 on the lock core 2 leaves lockhole 111, insert locking bar 3 again, release key at last, lock core 2 resets under back-moving spring 4 effects, and the protuberance 21 on the lock core 2 is arranged in lockhole 111, and the notch 31 that this protuberance 21 just is fastened on the locking bar 3 that inserts in the lockhole 111 is interior so that locking bar 3 is locked in the lockhole 111;

When unblanking, also be earlier key to be inserted keyhole 121, joint face between three pellets shot from a slingshot 6,7,8 between end facing each other and lock core 2 and the following lock housing 12 is located on the same straight line, like this lock core 2 just can be in lock housing 1 straight skidding, promoting catch bar 22 again moves on drive lock core 2 is in lock housing 1, protuberance 21 on the lock core 2 leaves lockhole 111, so just can extract locking bar 3, and lock is opened;

When the lawless person pushed away with hard thing insertion keyhole 121 by force, owing to have breach 221 on the catch bar 22, catch bar 22 was at breach 221 place's easy fractures, and the lawless person just can not promote lock core 2 again, to play effective antitheft effect;

Even lock core 2 is destroyed, as long as key is arranged also can be opened in the same old way, still earlier insert keyhole 121 with key this moment, joint face between three pellets shot from a slingshot 6,7,8 between end facing each other and lock core 2 and the following lock housing 12 is located on the same straight line, like this lock core 2 just can be in lock housing 1 straight skidding, insert shift fork 9 again, be inserted in the dial hole 24 after making poke rod 91 pass cannelure 113, upwards enforce lock core 2 again, take out locking bar 3, lock is opened.

Claims (10)

1, a kind of pushing antitheft lock, include the locking bar (3) that lock housing (1), lock core (2), end have notch (31), lock housing (1) is provided with the lockhole (111) that inserts for locking bar (3), it is characterized in that described lock core (2) is contained in the interior enclosed cavity (13) of lock housing (1), and in this cavity (13), vertically move, in this cavity (13), also be provided with the back-moving spring (4) that lock core (2) is resetted simultaneously; The upper inner of lock core (2) has can snap in the notch (31) that is positioned on the locking bar locking bar (3) is locked in the protuberance (21) of lockhole (111), and the bottom of lock core (2) is locked in the lock housing (1) by billiards lock structure; The bottom of described lock housing (1) has vertical setting for removing the keyhole (121) that the key of billiards lock structure to lock core (2) locking inserts; The middle part of described lock core (2) has the catch bar (22) of horizontally set so that the key promotion lock core (2) that inserts in the keyhole (121) vertically moves in lock housing (1).

2, pushing antitheft lock according to claim 1 is characterized in that: have breach (221) on the described catch bar (22).

3, want 1 described pushing antitheft lock according to right, it is characterized in that: have dial hole (24) on the described lock core (2), on lock housing (1), have and vertical guide groove (113) that dial hole (24) matches, this theftproof lock also comprises a standby shift fork (9), has the poke rod (91) that can pass vertical guide groove (113) and insert dial hole (24) on the shift fork (9).

4, pushing antitheft lock according to claim 1, it is characterized in that described billiards lock structure is: lock housing (1) sidewall one side have at least two horizontal rows to be provided with and and the pellet shot from a slingshot hole (122) that communicates of keyhole (121), and on the bottom of lock core (2), have the perforation (23) that communicates and match with pellet shot from a slingshot hole (122), be disposed with spring (5) in the pellet shot from a slingshot hole (122) from outside to inside, first pellet shot from a slingshot (6), second pellet shot from a slingshot (7), the 3rd pellet shot from a slingshot (8), wherein the width of second pellet shot from a slingshot (7) is identical with perforation (23) width, the 3rd pellet shot from a slingshot (8) inner end portion is exposed in the keyhole (121), under unlocked conditions, second pellet shot from a slingshot (7) just in time is positioned at the perforation (23) of lock core (2) bottom.

5, pushing antitheft lock according to claim 1, it is characterized in that described billiards lock structure is: have at least respectively in lock housing (1) sidewall both sides that two rows vertically are provided with and and the pellet shot from a slingshot hole (122) that communicates of keyhole (121), pellet shot from a slingshot hole (122) is positioned at the both sides of keyhole (121), and on the bottom of lock core (2), have the perforation (23) that communicates and match with pellet shot from a slingshot hole (122), be disposed with spring (5) in the pellet shot from a slingshot hole (122) from outside to inside, first pellet shot from a slingshot (6), second pellet shot from a slingshot (7), the 3rd pellet shot from a slingshot (8), wherein the width of second pellet shot from a slingshot (7) is identical with perforation (23) width, the 3rd pellet shot from a slingshot (8) inner end portion is exposed in the keyhole (121), under unlocked conditions, second pellet shot from a slingshot (7) just in time is positioned at the perforation (23) of lock core (2) bottom.

6, according to arbitrary described pushing antitheft lock in the claim 1～5, it is characterized in that described lockhole (111) has two, each lockhole (111) sidepiece communicates with described cavity (13) respectively, described locking bar (3) takes the shape of the letter U, described notch (31) is positioned at two ends of U-shape sword iron (3), under the state of locking, the protuberance (21) on lock core (2) top snaps in the notch (31) on the locking bar (3) locking bar (3) is locked in the lockhole (111).

7, according to arbitrary described pushing antitheft lock in the claim 1～5, it is characterized in that described lockhole (111) is one, the sidepiece of lockhole (111) communicates with described cavity (13), described locking bar (3) is direct rod shape, described notch (31) is positioned at the end of locking bar (3), under the state of locking, the protuberance (21) on lock core (2) top snaps in the notch (31) on the locking bar (3) locking bar (3) is locked in the lockhole (111).

8, according to arbitrary described pushing antitheft lock in the claim 1～5, it is characterized in that described lockhole (111) is one, the sidepiece of lockhole (111) communicates with described cavity, one end of described locking bar (3) is connected with lock housing (12) mutually by chain (32), described notch (31) is positioned at the other end of locking bar (3), under the state of locking, the notch (31) that the protuberance (21) on lock core (2) top snaps on the locking bar (3) is interior so that locking bar (3) is locked in the lockhole (111).

9, pushing antitheft lock according to claim 1 is characterized in that: described lock housing (1) is made up of last lock housing (11) and following lock housing (12), and describedly goes up lock housing (11) and following lock housing (12) is fixed together.

10, pushing antitheft lock according to claim 9 is characterized in that the structure that described upward lock housing (11) and following lock housing (12) are fixed together is: described upward lock housing (11) bottom has one will descend the tight cover of lock housing (12) sleeve (112) within it.

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