CN211622921U

CN211622921U - Anti-theft lock

Info

Publication number: CN211622921U
Application number: CN201921459865.9U
Authority: CN
Inventors: 林新达; 邱兵海; 郭挺
Original assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Current assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-10-02
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a theftproof tool to lock, the lower problem of tool to lock theftproof effect has been solved, its technical scheme main points are that the theftproof tool to lock includes casing and casing pivoted handle and lock core relatively, still including overlapping the connecting block and linking piece of establishing each other, the connecting block corresponds respectively with linking piece and is connected fixedly with handle and lock core, seted up on the connecting block and the lateral wall that links up the piece and dodge the hole, be equipped with in the casing and can wear to locate two and dodge downthehole bolts, be connected with first elastic component on the bolt, still be equipped with slidable adjustment in the casing and be used for making the bolt wear to locate two and dodge downthehole adjustment mechanism. Utilize convertible bolt of adjustment mechanism to insert and dodge downthehole state, when the bolt passed two holes of dodging simultaneously, the handle rotated and can drive the lock core and rotate, when the bolt only passed one of them hole of dodging, the handle can't drive the lock core and rotate, has realized the control to both separation and reunion states of handle and lock core, and the thief can't come the unblock through rotating the handle, has improved the theftproof performance of tool to lock.

Description

Anti-theft lock

Technical Field

The utility model relates to a tool to lock field especially relates to an anti-theft lock.

Background

Most current intelligent locks are provided with the handle usually, rotate the handle in the inboard accessible of door plant and unblock the lock, and need just can unblock through identification or use the key in the door plant outside. However, the existing part of thieves can break the cat eye on the door leaf, extend the theft tool into the cat eye to rotate the handle, and then steal in the room, so the existing intelligent latch has the problem of poor anti-theft effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can improve the theftproof tool to lock of theftproof effect.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a theftproof tool to lock, includes casing and casing pivoted handle and lock core relatively, still establishes and can relatively pivoted connecting block and linking piece including overlapping each other, connecting block and linking piece correspond respectively and handle and lock core are connected fixedly, set up corresponding hole of dodging on the lateral wall of connecting block and linking piece, theftproof tool to lock still dodges downthehole messenger including can wearing to locate two connecting block and linking piece linkage pivoted bolt, be equipped with slidable adjustment in the casing and be used for making the bolt wear to locate two adjustment mechanism of dodging downthehole, be connected with on the bolt and work as adjustment mechanism makes the first elastic component that the bolt resets after disappearing to the effect of bolt.

Further setting: the adjusting mechanism comprises an arc-shaped guide plate which can be abutted against the bolt, and the guide plate is slidably connected in the shell.

Further setting: adjustment mechanism still includes regulating block and link gear, be equipped with on the casing and supply the gliding spout of regulating block, the regulating block is followed the width direction slidable of casing connects on the casing and wears out outside the casing, the deflector is followed the length direction slidable of casing connect in on the casing, link gear is used for linking when the regulating block slides the deflector slides.

Further setting: the linkage mechanism comprises a sliding plate and a linkage block, the sliding plate is fixedly connected with the guide plate and provided with an inclined guide groove, and the linkage block is connected to one side of the adjusting block, which is close to the shell, and can slide along the guide groove.

Further setting: the linkage block is cylindrical.

Further setting: the guide groove comprises horizontal sections arranged at two ends and extending along the horizontal direction and inclined sections arranged between the two horizontal sections and extending along the inclined direction.

Further setting: and a limiting mechanism used for limiting the stop position of the adjusting block and fixing the adjusting block and the shell is further arranged in the shell.

Further setting: the limiting mechanism comprises a positioning piece which can move along the sliding direction of the adjusting block, the positioning piece comprises an arc surface portion, a positioning groove for the arc surface portion of the positioning piece to be embedded is formed in the adjusting block, and the positioning piece is connected with a second elastic piece which enables the positioning piece to be embedded into the positioning groove.

Further setting: the shell is internally provided with a guide post, and the sliding plate is provided with a guide hole which can be penetrated by the guide post and provides sliding guide for the sliding plate to move along the length direction of the shell.

Further setting: the protruding stopper that is provided with on the lateral wall of bolt, be equipped with in the connecting block and dodge the hole intercommunication and can supply the gliding spacing groove of stopper.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an among the theftproof tool to lock, utilize adjustment mechanism to change the bolt and insert and dodge downthehole state, when the bolt passed two simultaneously and dodge the hole, the handle rotated accessible connecting block and links up the piece and drives the lock core and rotate, when the bolt only passed one of them and dodge the hole, the handle was rotated and is not taken the lock core to rotate, had realized the control to both clutching state of handle and lock core, the thief can't come to unblock the lock through rotating the handle, had improved the theftproof performance of tool to lock.

2. In the anti-theft lock, the horizontal sliding adjusting block can be linked with the guide plate to vertically slide by arranging the guide groove for inclined guiding, and on one hand, the width of the intelligent lock can be reduced by vertically arranging the guide plate, so that the intelligent lock can be conveniently arranged on a door frame; on the other hand, because the sliding direction of the adjusting block is the horizontal direction, and the guide plate slides along the vertical direction, when the adjusting block slides, the influence of the gravity of the guide plate on the adjusting block is small, and the sliding process is more stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of an embodiment of the anti-theft lock of the present invention;

FIG. 2 is a schematic view of an embodiment of the anti-theft lock of the present invention;

FIG. 3 is a schematic view of a second state of an embodiment of the anti-theft lock of the present invention;

fig. 4 is a cross-sectional view of an embodiment of the anti-theft lock of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides an antitheft lock, which comprises a housin 1, rotationally be connected with handle 2 and lock core on the casing 1, be connected with connecting block 3 on the handle 2, be connected with on the lock core and link up piece 4, connecting block 3 with link up piece 4 and be hollow structure, just connecting block 3 with link up piece 4 and overlap each other and establish and can rotate relatively, in this embodiment, 3 covers of connecting block are located link up 4 outsidely, in other embodiments, link up 4 also can overlap and locate connecting block 3 outsidely. Connecting block 3 with the corresponding hole 31 of dodging has all been seted up to the lateral wall that links up piece 4, the theftproof tool to lock is including wearing to locate two make connecting block 3 and the bolt 5 that links up 4 mutual linkage of piece in dodging the hole 31, bolt 5 is connected with and makes it break away from at least one first elastic component 6 of dodging the hole 31, first elastic component 6 is the spring, the theftproof tool to lock still includes 1 slide adjusting of casing relatively and makes bolt 5 wear to locate two adjustment mechanism 7 of dodging in the hole 31.

Further, the adjusting mechanism 7 includes a guide plate 71 that can abut against the plug pin 5 and provide an arc-shaped guide for the plug pin, the guide plate 71 is slidably connected in the housing 1, and specifically, one side of the guide plate 71 close to the plug pin 5 is provided with an arc surface.

When the sliding guide plate 71 is close to the bolt 5, the guide plate 71 pushes the bolt 5 to penetrate into two avoiding holes 31 simultaneously, the handle 2 is rotated at the moment, the handle 2 can be linked with the lock cylinder through the connecting block 3 and the connecting block 4 to rotate, the unlocking function is realized, when the guide plate 71 is far away from the bolt 5, the bolt 5 slides under the elastic resetting effect of the first elastic piece 6 to be separated from the avoiding holes 31 on the connecting block 4, the handle 2 is rotated at the moment, and the handle 2 cannot be linked with the lock cylinder to rotate. By utilizing the working principle, when a thief extends a theft tool such as an iron hook or an iron wire into the door to drive the handle 2 to rotate, the door lock cannot be opened, and the anti-theft effect is achieved.

Further, the guide plate 71 is slidably coupled in the housing 1 in a longitudinal direction of the housing 1. The smart lock is mostly installed on the door frame, and in order to adapt to the structure of the door frame, the width of the smart lock is generally small, and the guide plate 71 is arranged to slide along the length direction of the housing 1, so that the width of the housing 1 does not need to be increased, the length space can be effectively utilized, and the smart lock is more applicable when being installed on the door frame.

Further, the adjusting mechanism 7 further includes a driving block 72 slidably connected to the housing 1 along the width direction of the housing 1 and extending out of the housing 1, the driving block 72 includes an adjusting block 721, the housing 1 is provided with a chute 11 for the adjusting block 721 to slide, and the adjusting mechanism 7 further includes a linkage mechanism for linking the guide plate 71 to slide when the adjusting block 721 slides.

Preferably, the linkage mechanism includes a sliding plate 73 fixedly connected to the guide plate 71, the sliding plate 73 is provided with a guide slot 731 guided obliquely, in this embodiment, the sliding plate 73 is integrally connected to the guide plate 71, the driving block 72 includes a linkage block 722 connected to a side of the adjusting block 721 close to the inside of the housing 1, and the linkage block 722 can be embedded in the guide slot 731 and slide along the guide slot 731. The driving block 72 further includes a toggle block 723 connected to the adjusting block 721 far from the linkage block 722, and the housing 1 is provided with a slide hole 12 through which the toggle block 723 can slide. Preferably, the linkage block 722, the adjusting block 721 and the toggle block 723 are integrally connected. In other embodiments, the linkage may also be a rack and pinion linkage or a linkage.

The sliding adjusting block 721 slides along the guide groove 731, and the linkage block 722 drives the sliding plate 73 to slide vertically under the cooperation of the sliding fit action of the guide groove 731 and the linkage block 722, so that the position of the bolt 5 is controlled through the movement of the guide plate 71, and the clutch state of the handle 2 and the lock cylinder is changed. Since the adjusting block 721 is vertically constrained and can only slide in the horizontal direction, when the adjusting block 721 is slid, the influence of the gravity of the guide plate 71 and the elastic force of the first elastic member 6 on the adjusting block 721 is reduced, so that the sliding of the adjusting block 721 is more stable.

Preferably, the linkage block 722 is cylindrical. The linkage block 722 is set to be cylindrical, so that the sliding along the guide groove 731 can be smoother, and the user experience can be improved.

Preferably, the guide groove 731 includes a horizontal portion 7311 disposed at both ends and extending in a horizontal direction, and an inclined portion 7312 disposed between the two horizontal portions 7311 and extending in an inclined direction, and both ends of the guide groove 731 are disposed in an arc shape corresponding to the guide block.

By arranging the two horizontal sections 7311, after the linkage block 722 slides into the horizontal sections 7311, the horizontal sections 7311 can provide vertical limit for the linkage block 722, so that the adjusting block 721 is not easily influenced by the gravity of the guide plate 71 and the sliding plate 73 and the elastic force of the first elastic element 6 to slide along the sliding groove 11, and the stability of the adjusting block 721 is improved.

A limiting mechanism for limiting the stop position of the adjusting block 721 and fixing the adjusting block with the housing 1 is further arranged in the housing 1. Preferably, the limiting mechanism includes a positioning element 74 capable of moving in a direction perpendicular to the sliding direction of the adjusting block 721, the housing 1 is provided with a guiding groove 13 for the positioning element 74 to slide, the positioning element 74 includes an arc surface portion, the adjusting block 721 is provided with a positioning groove 7211 for the arc surface portion of the positioning element 74 to be partially embedded, and preferably, the positioning element 74 includes a ball head and a column connected to the ball head. In other embodiments, the positioning member 74 may also be a ball bearing. The positioning member 74 is connected to a second elastic member 75, which is inserted into the positioning groove 7211, and the second elastic member 75 is a spring. In this embodiment, the positioning groove 7211 is disposed at both ends of the adjusting block 721.

On one hand, the concave-convex matching structure of the positioning groove 7211 and the positioning piece 74 is utilized to provide a horizontal positioning effect for the sliding of the adjusting block 721, so that the guide plate 71 can be ensured to slide to a specified position; on the other hand, the concave-convex matching structure of the positioning groove 7211 and the positioning element 74 can provide certain horizontal constraint for the adjusting block 721, so that the adjusting block 721 is not easy to slide along the sliding groove 11 under the non-artificial condition, the stability of the adjusting block 721 is improved, and the anti-theft performance is improved.

Further, at least one guide post 14 is disposed in the housing 1, in this embodiment, a plurality of guide posts 14 are disposed in the housing 1, and the sliding plate 73 is opened with a guide hole 732 through which the guide post 14 can pass and which provides sliding guide for the sliding plate 73 to move along the length direction of the housing 1.

Further, a limit block 51 is convexly arranged on the side wall of the bolt 5, and a limit groove 32 which is communicated with the avoidance hole 31 and can be used for sliding the limit block 51 is arranged in the connecting block 3. By utilizing the matching relationship between the limiting groove 32 and the limiting block 51, the limiting groove 32 can provide a limiting effect on the sliding of the bolt 5, and prevent the bolt from being separated from the avoiding hole 31.

The utility model relates to an antitheft lock's theory of operation as follows:

under normal conditions, handle 2 and lock core are in the linkage state, rotate handle 2 and can link the lock core and rotate to realize the lock unblock. Under the condition of unattended operation, the handle 2 and the lock cylinder are required to be in an uncoupled state, the adjusting block 721 can be pushed to slide along the sliding groove 11 at the moment, the linkage block 722 can slide along the guide groove 731 relative to the sliding plate 73, the sliding plate 73 drives the guide plate 71 to move downwards at the moment, the bolt 5 is gradually separated from the restraint of the guide plate 71 and moves downwards under the elastic action of the first elastic piece 6, the bolt 5 is separated from the avoiding hole 31 on the connection block 4, the connection block 3 and the connection block 4 are in the uncoupled state at the moment, and the handle 2 cannot be rotated to drive the lock cylinder to rotate. Similarly, when the handle 2 and the lock cylinder need to be restored to the linkage state, the adjusting block 721 is pushed to be reset, the linkage guide plate 71 rises, the bolt 5 simultaneously penetrates through the avoiding holes 31 on the connecting block 3 and the connecting block 4, and the handle 2 and the lock cylinder can be restored to the linkage state.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an anti-theft lock, includes casing and casing pivoted handle and lock core relatively, characterized by: still establish and relative pivoted connecting block and linking piece including overlapping each other, the connecting block corresponds respectively with linking piece and is connected fixedly with handle and lock core, set up corresponding hole of dodging on the lateral wall of connecting block and linking piece, the theftproof tool to lock is still including can wearing to locate two dodge downthehole messenger connecting block and linking piece linkage pivoted bolt, be equipped with slidable adjustment in the casing and be used for making the bolt wear to locate two adjustment mechanism who dodge downthehole, be connected with on the bolt and work as make the first elastic component that the bolt resets after adjustment mechanism disappears to the effect of bolt.

2. The anti-theft lock according to claim 1, characterized in that: the adjusting mechanism comprises an arc-shaped guide plate which can be abutted against the bolt, and the guide plate is slidably connected in the shell.

3. The anti-theft lock according to claim 2, characterized in that: adjustment mechanism still includes regulating block and link gear, be equipped with on the casing and supply the gliding spout of regulating block, the regulating block is followed the width direction slidable of casing connects on the casing and wears out outside the casing, the deflector is followed the length direction slidable of casing connect in on the casing, link gear is used for linking when the regulating block slides the deflector slides.

4. The anti-theft lock according to claim 3, characterized in that: the linkage mechanism comprises a sliding plate and a linkage block, the sliding plate is fixedly connected with the guide plate and provided with an inclined guide groove, and the linkage block is connected to one side of the adjusting block, which is close to the shell, and can slide along the guide groove.

5. The anti-theft lock according to claim 4, characterized in that: the linkage block is cylindrical.

6. The anti-theft lock according to claim 4, characterized in that: the guide groove comprises horizontal sections arranged at two ends and extending along the horizontal direction and inclined sections arranged between the two horizontal sections and extending along the inclined direction.

7. The anti-theft lock according to claim 3, characterized in that: and a limiting mechanism used for limiting the stop position of the adjusting block and fixing the adjusting block and the shell is further arranged in the shell.

8. The anti-theft lock according to claim 7, characterized in that: the limiting mechanism comprises a positioning piece which can move along the sliding direction of the adjusting block, the positioning piece comprises an arc surface portion, a positioning groove for the arc surface portion of the positioning piece to be embedded is formed in the adjusting block, and the positioning piece is connected with a second elastic piece which enables the positioning piece to be embedded into the positioning groove.

9. The anti-theft lock according to claim 4, characterized in that: the shell is internally provided with a guide post, and the sliding plate is provided with a guide hole which can be penetrated by the guide post and provides sliding guide for the sliding plate to move along the length direction of the shell.

10. The anti-theft lock according to claim 1, characterized in that: the protruding stopper that is provided with on the lateral wall of bolt, be equipped with in the connecting block and dodge the hole intercommunication and can supply the gliding spacing groove of stopper.