CN204024221U - Rotating theft-proof lock - Google Patents

Abstract

The utility model discloses a kind of rotating theft-proof lock, comprise: lock housing assembly, on the end face of lock housing assembly, be provided with lock panel, in lock housing assembly, be provided with the double wedge assembly of drive plate and the parallel motion of drive drive plate, double wedge assembly rotates and arranges, on drive plate, be provided with dovetail groove, dovetail groove has chute portion and the portion that rises as high as the banks; Rotation is arranged at the master latch assembly in lock housing assembly, and master latch assembly is flexible along the direction perpendicular to lock panel, is provided with the master latch projection matching with dovetail groove on master latch assembly; The tooth bar assembly that drives double wedge assembly to rotate and move perpendicular to the direction of lock panel, drives drive plate towards double wedge Component driver by double wedge assembly when tooth bar assembly moves to the direction near lock panel; Rotate the gear assembly arranging, gear assembly engages with tooth bar assembly; Perpendicular to the latch bolt assembly of lock panel, latch bolt assembly is telescopic being arranged in lock housing assembly under the driving of tooth bar assembly.Above-mentioned rotating theft-proof lock, is user-friendly to.

Description

Rotary anti-theft lock

Technical Field

The utility model relates to a tool to lock equipment technical field, in particular to rotatory pickproof lock.

Background

At present, the main driving mechanism in the rotary anti-theft lock widely applied to the market mostly adopts a double-gear-disc mechanism. The gear on the lock core is driven to rotate through the forward rotation key, so that the double-gear wheel disc is driven to rotate, and then the double-gear wheel disc drives the gear mechanism inside the lock body, and finally the closing operation that the main lock bolt extends out firstly and then rotates is achieved. When the double-gear wheel disc rotates to the position, the gear on the lock core is driven to rotate through the reverse key, and the other gear on the double-gear wheel disc drives the latch bolt to retract.

When the main lock bolt and the latch bolt on the lock body are unlocked, the key can completely unlock the lock body to open the door only after the key rotates the lock cylinder in place along the positive and negative directions, so that misoperation is easily brought to a user, and inconvenience is brought to the use of the user.

Therefore, how to facilitate the user's use is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rotatory pickproof lock to make things convenient for the user to use.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotary theft-proof lock comprising:

the lock comprises a lock shell assembly, a lock body panel is arranged on the end face of the lock shell assembly, a driving plate and a convex tooth assembly which drives the driving plate to move along the direction parallel to the lock body panel are arranged in the lock shell assembly, the convex tooth assembly is rotatably arranged on the bottom surface of the lock shell assembly, a trapezoidal groove is arranged on the driving plate, the trapezoidal groove is provided with a chute part which inclines along the direction which is close to the convex tooth assembly and away from the lock body panel and a flat groove part which is parallel to the lock body panel, and the flat groove part is positioned at one end of the chute part which is close to the lock body panel;

a main lock bolt component is rotatably arranged in the lock shell component, the main lock bolt component is arranged in a telescopic mode along a direction perpendicular to the lock body panel, and a main lock bolt bulge matched with the trapezoidal groove is arranged on the main lock bolt component;

the rack assembly drives the driving plate to drive towards the convex tooth assembly when moving towards the direction close to the lock body panel;

a gear assembly rotatably disposed within a bottom surface of the lock housing assembly, the gear assembly being engaged with the rack assembly;

and the latch bolt component is perpendicular to the lock body panel and is arranged in the lock shell component in a telescopic manner under the driving of the rack component.

Preferably, in the above-mentioned rotary anti-theft lock, the latch bolt assembly is provided with a latch bolt protrusion, the rack assembly has a pulling end located between the latch bolt protrusion and the lock body panel and used for pulling the latch bolt protrusion, and the lock housing assembly is provided with a tension spring for driving the latch bolt assembly to extend out of the lock housing assembly;

a torsion spring urging the drive plate away from the lobe assembly is also included.

Preferably, in the above-mentioned rotary theft-proof lock, the rack assembly includes a first rack member and a second rack member slidably coupled to each other in the extension and retraction direction of the main tumbler assembly, the first rack member is provided with a first rack portion arranged in the sliding direction of the main tumbler assembly, the second rack member is provided with a second rack portion abutting against the first rack portion, the first rack member and the second rack member are provided with a tension spring applying a tension in a direction in which the first rack portion and the second rack portion overlap each other, and the second rack portion is located on a side close to the lock body panel;

the gear assembly is engaged with the first rack portion and the second rack portion.

Preferably, in the above-mentioned rotary anti-theft lock, one side of the first rack member close to the lock body panel is provided with a first latch bolt positioning slot, and one side thereof away from the lock body panel is provided with a first main lock bolt positioning slot;

the second tooth condition is provided with a second latch bolt positioning groove matched with the first latch bolt positioning groove and a second main lock bolt positioning groove matched with the first main lock bolt positioning groove, and when the first rack part is in butt joint with the second rack part, the first latch bolt positioning groove is superposed with the second latch bolt positioning groove and the first main lock bolt positioning groove is superposed with the second main lock bolt positioning groove;

the lock shell component is provided with a positioning rotating piece, and the positioning rotating piece is abutted to the rack component through a positioning torsion spring; when the main lock bolt assembly contracts and the latch bolt assembly extends out, the positioning bulge of the positioning rotating piece is positioned with the superposed part of the first latch bolt positioning groove and the second latch bolt positioning groove; when the main lock bolt assembly extends out and the latch bolt assembly extends out, the positioning bulge of the positioning rotating piece is positioned with the overlapped part of the first main lock bolt positioning groove and the second main lock bolt positioning groove.

Preferably, the rotary anti-theft lock further comprises a top and bottom lock assembly arranged parallel to the lock body panel, and an upper sliding bolt assembly and a lower sliding bolt assembly for opening and closing the top and bottom lock assembly;

the upper sliding bolt assembly and the lower sliding bolt assembly are respectively arranged on two sides of the lock shell assembly and are parallel to the lock body panel and telescopically arranged on the lock shell assembly;

the upper sliding bolt assembly is provided with an upper sliding groove which inclines back to the lock body panel along the direction that the upper sliding bolt assembly extends out of the lock shell assembly, and the lower sliding bolt assembly is provided with a lower sliding groove which inclines back to the lock body panel along the direction that the lower sliding bolt assembly extends out of the lock shell assembly;

first rack spare dorsad be provided with on the one side of second tooth condition with go up the first spout pin that the chute cooperation set up and with the second spout pin that the lower chute cooperation set up.

Preferably, in the above-mentioned rotary anti-theft lock, a guide shaft is provided on the lock housing assembly, the protruding tooth assembly includes a protruding tooth plate, a drive plate pin located on one surface of the protruding tooth plate facing the drive plate, and a rotation hole penetrating through the protruding tooth plate, and the rotation hole is in rotation fit with the guide shaft;

the projection positions of the rotating hole and the driving plate pin on the convex tooth plate are different; the driving plate is provided with a driving plate opening matched with the driving plate pin.

Preferably, in the above-mentioned rotary anti-theft lock, a rack pin is disposed on one side of the convex toothed plate facing away from the drive plate; a second tooth condition hole matched with the rack pin is formed in the second tooth condition; the second tooth condition hole, the rotating hole and the projection position of the driving plate pin on the convex tooth plate are different.

Preferably, in the above rotary theft preventing lock, the first rack member is provided with a first strip-shaped hole provided in parallel with the first rack portion, and the second rack member is provided with a second strip-shaped hole provided in parallel with the second rack portion; the first strip-shaped hole and the second strip-shaped hole are sleeved on the guide shaft.

Preferably, in the above rotary anti-theft lock, the length of the first strip-shaped hole is smaller than that of the second strip-shaped hole;

when the first rack portion is butted with the second rack portion, one end, far away from the lock body panel, of the first strip-shaped hole is aligned with one end, far away from the lock body panel, of the second strip-shaped hole; when the first rack portion is overlapped with the second rack portion, one end, close to the lock body panel, of the first strip-shaped hole is aligned with one end, close to the lock body panel, of the second strip-shaped hole.

Preferably, in the above-mentioned rotary anti-theft lock, a third bar-shaped hole is provided on the second rack condition in parallel to the second rack condition, and a connecting pin engaged with the third bar-shaped hole is provided on the first rack condition, and the connecting pin moves along the third bar-shaped hole.

According to the above technical scheme, the embodiment of the utility model provides a rotatory pickproof lock realizes opening of main hasp subassembly and oblique tongue subassembly through the corotation gear subassembly, and the rethread reversal gear subassembly realizes closing of main hasp subassembly and oblique tongue subassembly, only can realize opening or closing of main hasp subassembly and oblique tongue subassembly through following the rotatory key of a direction, has made things convenient for user's use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a rotary anti-theft lock according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lock case assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a driving plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a tooth assembly according to an embodiment of the present invention;

fig. 5 is a first structural schematic diagram of a rack assembly according to an embodiment of the present invention;

fig. 6 is a second structural schematic diagram of the rack assembly according to the embodiment of the present invention;

fig. 7 is a third structural schematic view of a rack assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an upper sliding bolt assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a lower sliding plug assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a latch bolt assembly according to an embodiment of the present invention;

fig. 11 is a schematic view of a first state of the rotary anti-theft lock according to the embodiment of the present invention;

fig. 12 is a schematic view of a second state of the rotary anti-theft lock according to the embodiment of the present invention;

fig. 13 is a schematic diagram of a third state of the rotary anti-theft lock according to the embodiment of the present invention.

Wherein,

a lock case assembly-1, a driving plate-11, a trapezoidal groove-111, a driving plate opening-112, a torsion spring-12, a tooth assembly-13, a tooth plate-131, a driving plate pin-132, a rack pin-133, a rotation hole-134, a positioning rotor-14, a tension spring-15, a guide shaft-16, an arc groove-17, a lock body panel-18, a gear assembly-2, a rack assembly-3, a first tooth condition-31, a first strip hole-311, a first rack portion-312, a first chute pin-313, a second chute pin-314, a first latch positioning groove-315, a first main latch positioning groove-316, a second tooth condition-32, a second strip hole-321, a second tooth portion-322, a pulling end-323, a second tooth condition opening-324, a second latch positioning groove-325, a second main positioning groove-latch-326, a tension spring-33, a connecting pin-34, a main latch assembly-4, a latch assembly-5, latch tongue protrusion-51, upper sliding bolt component-6, upper sliding groove-61, lower sliding bolt component-7 and lower sliding groove-71.

Detailed Description

The utility model discloses a rotary anti-theft lock to make things convenient for the user to use.

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, fig. 2 and fig. 3, fig. 1 is an exploded schematic view of a rotary anti-theft lock according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a lock case assembly according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a driving plate according to an embodiment of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a rotary anti-theft lock, including: the lock comprises a lock shell assembly 1, wherein a lock body panel 18 is arranged on the end face of the lock shell assembly 1, a driving plate 11 and a convex tooth assembly 13 which drives the driving plate 11 to move along the direction parallel to the lock body panel 18 are arranged in the lock shell assembly 1, the convex tooth assembly 13 is rotationally arranged on the bottom surface of the lock shell assembly 1, a trapezoidal groove 111 is arranged on the driving plate 11, the trapezoidal groove 111 is provided with a chute part which inclines along the direction which is far away from the lock body panel 18 and is close to the convex tooth assembly 13 and a flat groove part which is parallel to the lock body panel 18, and the flat groove part is arranged at one end of the chute part; the main lock bolt assembly 4 arranged in the lock shell assembly 1 is rotated, the main lock bolt assembly 4 is arranged in a telescopic mode along a direction perpendicular to the lock body panel 18, and a main lock bolt bulge matched with the trapezoidal groove 111 is arranged on the main lock bolt assembly 4; the rack component 3 drives the convex tooth component 13 to rotate and move in a direction perpendicular to the lock body panel 18, and when the rack component 3 moves towards the direction close to the lock body panel 18, the convex tooth component 13 drives the driving plate 11 to drive towards the convex tooth component 13; the gear assembly 2 arranged in the bottom surface of the lock shell assembly 1 is rotated, and the gear assembly 2 is meshed with the rack assembly 3; perpendicular to the latch bolt assembly 5 of the lock body panel 18, the latch bolt assembly 5 is telescopically arranged in the lock shell assembly 1 under the driving of the rack assembly 3.

Wherein it will be appreciated that insertion of the key into the lock cylinder rotates the gear assembly 2.

The working principle is as follows: when the main lock bolt assembly 4 is opened, a key is inserted into a lock cylinder to rotate the gear assembly 2 forward, the gear assembly 2 drives the rack assembly 3 to move linearly in a direction away from the lock body panel 18 to drive the convex tooth assembly 13 to rotate, so that the driving plate 11 moves in a direction away from the convex tooth assembly 13, the main lock bolt assembly 4 retracts in a direction away from the lock body panel 18 under the matching action of the protrusion of the main lock bolt and the inclined groove part of the trapezoidal groove 111, and the opening of the main lock bolt assembly 4 is completed; similarly, when closing main set bolt subassembly 4, the key inserts the lock core and then reverse gear subassembly 2, 2 drive rack subassembly 3 of gear subassembly is to being close to 18 direction linear motion of lock body panel, it is rotatory to drive protruding tooth subassembly 13, make drive plate 11 to the direction motion of being close to protruding tooth subassembly 13, make main set bolt subassembly 4 stretch out lock body panel 18 under the cooperation of the protruding chute portion with dovetail groove 111 of main set bolt, and under the cooperation of the protruding flat slot portion with dovetail groove 111 of main set bolt, accomplish the rotation of main set bolt subassembly 4, thereby realize main set bolt subassembly 4 and stretch out the rotatory effect of closing after earlier. When the latch bolt assembly 5 is opened, a key is inserted into the lock cylinder to rotate the gear assembly 2 forward, the gear assembly 2 drives the rack assembly 3 to move linearly in a direction away from the lock body panel 18, and then the latch bolt assembly 5 is pulled to contract in a direction away from the lock body panel 18, so that the latch bolt assembly 5 is opened; similarly, when the latch bolt assembly 5 is closed, a key is inserted into the lock cylinder to rotate the gear assembly 2 reversely, the gear assembly 2 drives the rack assembly 3 to move linearly in the direction close to the lock body panel 18, so that the latch bolt assembly 5 extends out of the lock body panel 18, and the latch bolt assembly 5 is closed.

The embodiment of the utility model provides a rotatory pickproof lock realizes opening of main set bar subassembly 4 and oblique tongue subassembly 5 through corotation gear subassembly 2, and rethread reversal gear subassembly 2 realizes closing of main set bar subassembly 4 and oblique tongue subassembly 5, only can realize opening or closing of main set bar subassembly 4 and oblique tongue subassembly 5 through rotating the key along an orientation, has made things convenient for user's use.

Preferably, the main bolt assembly 4 is rotated 90 °.

As shown in fig. 1, 5 and 10, the latch bolt assembly 5 is preferably provided with a latch bolt protrusion 51, and the rack assembly 3 has a pulling end 323 located between the latch bolt protrusion 51 and the lock body panel 18 and used for pulling the latch bolt protrusion 51; a tension spring 15 for driving the latch bolt component 5 to extend out of the lock shell component 1 is arranged in the lock shell component 1. As shown in fig. 11, when the rack assembly 3 moves linearly to a certain position in the direction close to the lock body panel 18, the latch bolt protrusion 51 is separated from the pulling end 323, and the latch bolt assembly 5 extends out of the lock body panel 18 under the action of the tension spring 15; at this point, the main bolt assembly 4 is not extended out of the lock body panel 18. As shown in fig. 13, the rack assembly 3 is driven to move linearly in a direction approaching the lock body panel 18, and the rack assembly 3 drives the protruding tooth assembly 13 to rotate, and further drives the driving plate 11 in a direction approaching the protruding tooth assembly 13, so that the main latch assembly 4 extends out.

Further, the lock housing assembly 1 includes a torsion spring 12 on the bottom surface thereof for urging the drive plate 11 away from the lobe assembly 13. In order to improve the stability of the main bolt assembly 4 in telescoping along the lock body panel 18.

As shown in fig. 5, 6 and 7, in order to reduce the length of the rack assembly 3 on the basis of ensuring the stroke length of the rack assembly 3 in the lock case assembly 1, the rack assembly 3 comprises a first rack member 31 and a second rack member 32 which are connected in a sliding fit manner along the extension and retraction direction of the main bolt assembly 4, the first rack member 31 is provided with a first rack part 312 arranged along the sliding direction of the first rack part and the second rack member 32 is provided with a second rack part 322 butted with the first rack part 312, the first rack member 31 and the second rack member 32 are provided with a tension spring 33 exerting tension along the overlapping direction of the first rack part 312 and the second rack part 322, and the second rack part 322 is positioned at one side close to the lock body panel 18; the gear assembly 2 is engaged with the first rack portion 312 and the second rack portion 322. Under the action of the tension spring 33, the first rack portion 312 of the first rack member 31 is abutted with the second rack portion 322 of the second rack member 32, so that the stroke length of the rack assembly 3 in the lock shell assembly 1 is ensured; as shown in fig. 12, after the first tooth condition 31 contacts the inner shell of the lock housing assembly 1, the gear assembly 2 is engaged with the second tooth strip 322, the second tooth condition 32 is driven by the tension force of the tension spring 33 to coincide with the first tooth condition 31, the length of the rack assembly 3 is reduced, and the compactness of the rotary anti-theft lock provided by the embodiment of the present invention is further improved.

As shown in fig. 7, the first rack member 31 is provided with a first latch bolt positioning slot 315 on a side thereof close to the lock body panel 18, and a first main latch bolt positioning slot 316 on a side thereof far from the lock body panel 18; the second rack member 32 is provided with a second latch tongue positioning groove 325 matching with the first latch tongue positioning groove 315 and a second main latch bolt positioning groove 326 matching with the first main latch bolt positioning groove 316, when the first rack portion 312 is butted with the second rack portion 322, the first latch tongue positioning groove 315 is overlapped with the second latch tongue positioning groove 325 and the first main latch bolt positioning groove 316 is overlapped with the second main latch bolt positioning groove 326; the lock shell component 1 is provided with a positioning rotating piece 14, and the positioning rotating piece 14 is abutted to the rack component 3 through a positioning torsion spring; when the main latch assembly 4 is retracted and the latch bolt assembly 5 is extended, the positioning bulge of the positioning rotor 14 is positioned with the overlapped part of the first latch bolt positioning groove 315 and the second latch bolt positioning groove 325; the locating tab of the locating tab 14 is located at the intersection of the first and second main latch detents 316, 326 when the main latch assembly 4 is extended and the latch bolt assembly 5 is extended. Through the arrangement, when the main lock bolt assembly 4 contracts and the latch bolt assembly 5 extends out of the lock body panel 18, the positioning bulge of the positioning rotating piece 14 is clamped in the overlapping part formed after the first latch bolt positioning groove 315 and the second latch bolt positioning groove 325 are overlapped, so that the relative sliding of the first tooth condition 31 and the second tooth condition 32 is avoided, and the stability of the latch bolt assembly 5 in a closing state is ensured. When the main bolt assembly 4 extends and the latch bolt assembly 5 extends out of the lock body panel 18, the positioning protrusion of the positioning rotating plate 14 is clamped in the overlapping portion formed after the first main bolt positioning groove 316 and the second main bolt positioning groove 326 are overlapped, so that the relative sliding between the first tooth condition 31 and the second tooth condition 32 is avoided, and the stability of the closed state of the main bolt assembly 4 and the latch bolt assembly 5 is ensured.

As shown in fig. 8 and 9, in order to further improve the anti-theft performance, the rotary anti-theft lock provided by the embodiment of the present invention further includes a top-bottom lock assembly serving as a secondary lock, and an upper sliding bolt assembly 6 and a lower sliding bolt assembly 7 for opening and closing the top-bottom lock assembly, wherein the top-bottom lock assembly is parallel to the lock body panel 18; the upper sliding bolt assembly 6 and the lower sliding bolt assembly 7 are respectively arranged at two sides of the lock shell assembly 1 and are telescopically arranged on the lock shell assembly 1 along a direction parallel to the lock body panel 18; the upper sliding bolt assembly 6 is provided with an upper sliding groove 61 which inclines away from the lock body panel 18 along the direction that the upper sliding bolt assembly extends out of the lock shell assembly 1, and the lower sliding bolt assembly 7 is provided with a lower sliding groove 71 which inclines away from the lock body panel 18 along the direction that the lower sliding bolt assembly extends out of the lock shell assembly 1; a first link pin 313 fitted to the upper slide 61 and a second link pin 314 fitted to the lower slide 71 are provided on a surface of the first tooth member 31 facing away from the second tooth member 32. When the secondary lock (the top and bottom lock assembly) is opened, a key is inserted into the lock cylinder to rotate the gear assembly 2 forward, the gear assembly 2 drives the rack assembly 3 to move linearly in a direction away from the lock body panel 18, so that the upper sliding bolt assembly 6 and the lower sliding bolt assembly 7 move relatively, and the top and bottom lock assembly is opened; when the secondary lock (the top and bottom lock assembly) is closed, a key is inserted into the lock cylinder to further reverse the gear assembly 2, the gear assembly 2 drives the rack assembly 3 to move linearly towards the lock body panel 18, and then the upper sliding bolt assembly 6 and the lower sliding bolt assembly 7 move backwards to complete the closing of the top and bottom lock assembly.

In the rotary anti-theft lock provided by the embodiment of the utility model, the lock shell component 1 is provided with the guide shaft 16, the convex tooth component 13 comprises a convex tooth plate 131, a drive plate pin 132 positioned on one surface of the convex tooth plate 131 facing the drive plate 11 and a rotating hole 134 penetrating through the convex tooth plate 131, and the rotating hole 134 is in rotating fit with the guide shaft 16; the rotation hole 134 is different from the projection position of the driving plate pin 132 on the convex tooth plate 131; drive plate 11 is provided with drive plate openings 112 which mate with drive plate pins 132. Coupling of drive plate 11 to lobe assembly 13 is facilitated by the cooperation of drive plate pins 132 with drive plate openings 112. One projection of the lobe assembly 13 may also abut the drive plate 11; alternatively, a boss of the lobe assembly 13 is connected to the drive plate 11; alternatively, pins may be provided on the drive plate 11 and openings or the like may be provided in the lobe assembly 13 to mate with the pins. Will not be described in detail herein and are within the scope of protection.

As shown in fig. 2, the bottom surface of the lock case assembly 1 is provided with an arc-shaped slot 17 matched with the driving plate pin 132, so that the motion stability of the driving plate 11 is improved. Further, a guide post is arranged on one side of the latch bolt assembly 5 facing the lock shell assembly 1, and a guide groove perpendicular to the lock body panel 18 is arranged on the bottom surface of the lock shell assembly 1.

Further, a rack pin 133 is arranged on one side of the convex toothed plate 131, which faces away from the driving plate 11; the second rack member 32 is provided with a second rack member opening 324 which is matched with the rack pin 133; the second relief aperture 324, the rotation aperture 134 and the projection of the drive plate pin 132 onto the lobe plate 131 are all different. The rack pin 133 and the driving plate pin 132 are both located on the side of the rotation hole 134 away from the latch bolt assembly 5.

As shown in fig. 5 and 7, the first rack member 31 is provided with a first bar-shaped hole 311 arranged in parallel with the first rack portion 312, and the second rack member 32 is provided with a second bar-shaped hole 321 arranged in parallel with the second rack portion 322; the first bar-shaped hole 311 and the second bar-shaped hole 321 are sleeved on the guide shaft 16. Through setting up first bar hole 311 and second bar hole 321 to make it locate on the guiding axle 16, guaranteed rack assembly 3 to the stability of the direction rectilinear motion that is close to lock body panel 18.

In order to shorten the length of the opening to ensure the strength of the tooth condition without interfering with the movement of the rack assembly 3, in the present embodiment, the length of the first bar-shaped hole 311 is smaller than that of the second bar-shaped hole 321; the end of the first bar hole 311 away from the lock body panel 18 when the first rack portion 312 is docked with the second rack portion 322 is aligned with the end of the second bar hole 321 away from the lock body panel 18; the end of the first bar hole 311 near the lock body panel 18 when the first rack portion 312 overlaps the second rack portion 322 is aligned with the end of the second bar hole 321 near the lock body panel 18.

As shown in fig. 7, the second rack member 32 is provided with a third strip-shaped hole parallel to the second rack member 322, the first rack member 31 is provided with a connecting pin 34 engaged with the third strip-shaped hole, and the connecting pin 34 moves along the third strip-shaped hole. Other structures such as slide rails can also be provided, which are not described in detail here and are within the scope of protection.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rotary anti-theft lock, comprising:

the lock comprises a lock shell assembly (1), wherein a lock body panel (18) is arranged on the end face of the lock shell assembly (1), a driving plate (11) and a convex tooth assembly (13) which drives the driving plate (11) to move along a direction parallel to the lock body panel (18) are arranged in the lock shell assembly (1), the convex tooth assembly (13) is rotatably arranged on the bottom surface of the lock shell assembly (1), a trapezoidal groove (111) is arranged on the driving plate (11), the trapezoidal groove (111) is provided with a chute part which inclines along a direction close to the convex tooth assembly (13) and away from the lock body panel (18) and a flat groove part which is parallel to the lock body panel (18), and the flat groove part is positioned at one end of the chute part close to the lock body panel (18);

a main lock bolt component (4) rotatably arranged in the lock shell component (1), wherein the main lock bolt component (4) is arranged in a telescopic manner along a direction vertical to the lock body panel (18), and a main lock bolt bulge matched with the trapezoidal groove (111) is arranged on the main lock bolt component (4);

the rack assembly (3) drives the convex tooth assembly (13) to rotate and move in a direction perpendicular to the lock body panel (18), and when the rack assembly (3) moves towards the lock body panel (18), the convex tooth assembly (13) drives the driving plate (11) to drive towards the convex tooth assembly (13);

a gear assembly (2) rotatably arranged in the bottom surface of the lock shell assembly (1), wherein the gear assembly (2) is meshed with the rack assembly (3);

a latch bolt component (5) vertical to the lock body panel (18), wherein the latch bolt component (5) is arranged in the lock shell component (1) in a telescopic way under the driving of the rack component (3).

2. The rotary theft-proof lock according to claim 1, characterized in that the latch bolt assembly (5) is provided with a latch bolt protrusion (51), the rack assembly (3) has a pulling end (323) located between the latch bolt protrusion (51) and the lock body panel (18) and used for pulling the latch bolt protrusion (51), the lock housing assembly (1) is provided with a tension spring (15) for driving the latch bolt assembly (5) to extend out of the lock housing assembly (1);

and a torsion spring (12) urging the drive plate (11) away from the lobe assembly (13).

3. The rotary theft lock according to claim 1, wherein the rack assembly (3) comprises a first rack member (31) and a second rack member (32) which are connected in a sliding fit in a telescopic direction of the main tumbler assembly (4), the first rack member (31) is provided with a first rack portion (312) arranged in the sliding direction of the two, the second rack member (32) is provided with a second rack portion (322) abutting against the first rack portion (312), the first rack member (31) and the second rack member (32) are provided with a tension spring (33) exerting tension in a direction in which the first rack portion (312) and the second rack portion (322) overlap, and the second rack portion (322) is located on a side close to the lock body panel (18);

the gear assembly (2) is engaged with the first rack portion (312) and the second rack portion (322).

4. The rotary theft lock according to claim 3, characterized in that the first rack member (31) is provided with a first latch bolt positioning slot (315) on a side close to the lock body panel (18) and a first main bolt positioning slot (316) on a side remote from the lock body panel (18);

the second rack bar (32) is provided with a second latch tongue positioning groove (325) matched with the first latch tongue positioning groove (315) and a second main lock bolt positioning groove (326) matched with the first main lock bolt positioning groove (316), when the first rack bar part (312) is butted with the second rack bar part (322), the first latch tongue positioning groove (315) is overlapped with the second latch tongue positioning groove (325) and the first main lock bolt positioning groove (316) is overlapped with the second main lock bolt positioning groove (326);

a positioning rotating piece (14) is arranged on the lock shell component (1), and the positioning rotating piece (14) is abutted against the rack component (3) through a positioning torsion spring; when the main lock bolt assembly (4) is contracted and the latch bolt assembly (5) is extended, the positioning bulge of the positioning rotating piece (14) is positioned with the superposition part of the first latch bolt positioning groove (315) and the second latch bolt positioning groove (325); when the main bolt assembly (4) extends and the latch bolt assembly (5) extends, the positioning bulge of the positioning rotary piece (14) is positioned and arranged with the superposition part of the first main bolt positioning groove (316) and the second main bolt positioning groove (326).

5. The rotary theft lock according to claim 3, further comprising a top and bottom lock assembly disposed parallel to said lock body panel (18) and an upper and lower tumbler assembly (6, 7) for opening and closing said top and bottom lock assembly;

the upper sliding bolt assembly (6) and the lower sliding bolt assembly (7) are respectively arranged on two sides of the lock shell assembly (1) and are parallel to the lock body panel (18) and telescopically arranged on the lock shell assembly (1);

the upper sliding bolt assembly (6) is provided with an upper sliding groove (61) which inclines back to the lock body panel (18) along the direction that the upper sliding bolt assembly extends out of the lock shell assembly (1), and the lower sliding bolt assembly (7) is provided with a lower sliding groove (71) which inclines back to the lock body panel (18) along the direction that the lower sliding bolt assembly extends out of the lock shell assembly (1);

and a first sliding chute pin (313) matched with the upper sliding chute (61) and a second sliding chute pin (314) matched with the lower sliding chute (71) are arranged on one surface of the first tooth condition (31) back to the second tooth condition (32).

6. The rotary anti-theft lock according to claim 3, characterized in that a guide shaft (16) is provided on the lock housing assembly (1), the cam assembly (13) comprises a cam plate (131), a drive plate pin (132) located on a face of the cam plate (131) facing the drive plate (11), and a rotation hole (134) penetrating the cam plate (131), the rotation hole (134) being in rotational engagement with the guide shaft (16);

the rotation hole (134) and the projection position of the driving plate pin (132) on the convex toothed plate (131) are different; the driving plate (11) is provided with a driving plate opening (112) matched with the driving plate pin (132).

7. The rotary anti-theft lock according to claim 6, characterized in that the side of the toothed rack (131) facing away from the driving plate (11) is provided with a rack pin (133); a second tooth condition hole (324) matched with the rack pin (133) is formed in the second tooth condition (32); the second rack condition hole (324), the rotation hole (134), and the projection position of the driving plate pin (132) on the cam plate (131) are all different.

8. The rotary theft lock according to claim 6, characterized in that the first rack member (31) is provided with a first strip-shaped hole (311) arranged parallel to the first rack portion (312), and the second rack member (32) is provided with a second strip-shaped hole (321) arranged parallel to the second rack portion (322); the first strip-shaped hole (311) and the second strip-shaped hole (321) are sleeved on the guide shaft (16).

9. The rotary theft-proof lock according to claim 8, characterized in that said first strip-shaped hole (311) has a smaller length than said second strip-shaped hole (321);

when the first rack part (312) is butted with the second rack part (322), one end of the first strip-shaped hole (311) far away from the lock body panel (18) is aligned with one end of the second strip-shaped hole (321) far away from the lock body panel (18); when the first rack portion (312) is overlapped with the second rack portion (322), one end of the first strip-shaped hole (311) close to the lock body panel (18) is aligned with one end of the second strip-shaped hole (321) close to the lock body panel (18).

10. The rotary theft lock according to any one of claims 3 to 9, characterized in that a third strip-shaped hole is provided in the second rack element (32) parallel to the second rack element (322), and in that a connecting pin (34) cooperating with the third strip-shaped hole is provided in the first rack element (31), along which third strip-shaped hole the connecting pin (34) runs.