CN213015825U

CN213015825U - Anti-theft lock with clutch type handle

Info

Publication number: CN213015825U
Application number: CN202020862967.1U
Authority: CN
Inventors: 魏祖旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-20
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an anti-theft lock with a clutch type handle, which comprises a lock body, wherein two surfaces of the lock body are respectively provided with an outer lock core and an anti-locking button, an inner lock core is arranged in the anti-locking button, a guide strip which can be driven by the inner lock core to rotate is arranged in the lock body, one end of the guide strip is connected with the anti-locking button, and the other end of the guide strip is inserted into a strip-shaped hole of a displacement component; the displacement component comprises a hollow sleeve and a worm arranged in the sleeve, the inner wall of the sleeve is provided with an internal thread matched with the worm, and the strip-shaped hole is formed in the middle of the worm; one end of the sleeve is provided with a clutch component, and the clutch component comprises a first lug and a second lug which can be meshed with each other; a compression spring is arranged between the bottom of the first convex block and the sleeve, one end of the second convex block is connected with a transmission part, and the transmission part can be driven by the outer lock cylinder to rotate. The utility model discloses simple structure also realizes indoor lock when can realizing outdoor lock, and the security performance is higher.

Description

Anti-theft lock with clutch type handle

Technical Field

The utility model relates to a lock especially relates to a simple structure, security performance are high have an anti-theft lock of separation and reunion formula handle.

Background

Traditional lock is stolen in order to prevent the key to guarantee indoor personnel's safety, have one with the independent indoor latch mechanism of lock core mechanism itself, however, add the cost that indoor latch mechanism has firstly increased the lock, secondly increased the volume of lock, and multiple structure can increase the fault rate of lock.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an anti-theft lock with a clutch type handle, which has simple structure and high safety performance.

The utility model is realized by the following technical measures, a theftproof lock with a clutch type handle comprises a lock body, wherein two surfaces of the lock body are respectively provided with an outer lock core and an anti-lock button, an inner lock core is arranged in the anti-lock button, a guide strip which can be driven by the inner lock core to rotate is arranged in the lock body, one end of the guide strip is connected with the anti-lock button, and the other end of the guide strip is inserted into a strip-shaped hole of a displacement component; the displacement component comprises a hollow sleeve and a worm arranged in the sleeve, the inner wall of the sleeve is provided with an internal thread matched with the worm, and the strip-shaped hole is formed in the middle of the worm; a clutch component is arranged at one end of the sleeve and comprises a first lug and a second lug which can be mutually meshed, the inner diameters of the first lug and the second lug are equal, and trapezoidal grooves are formed in the surfaces of the first lug and the second lug; a compression spring is arranged between the bottom of the first convex block and the sleeve, one end of the second convex block is connected with a transmission part, and the transmission part can be driven by the outer lock cylinder to rotate.

Preferably, the trapezoidal grooves on the first projection and the second projection are symmetrically arranged.

As a preferable mode, the outer lock cylinder and the inner lock cylinder are respectively provided with an outer handle and an inner handle correspondingly.

Preferably, the lock hole of the external lock cylinder is consistent with the lock hole of the internal lock cylinder.

When the utility model is used, the back locking button is pressed down first, so that the inner lock is locked; after the resident goes outdoors, the door is closed, the key is inserted into the outer lock cylinder, the key is rotated, the second lug and the first lug are disengaged under the driving of the outer lock cylinder, and the outer lock is locked; at the moment, the outer lock cylinder and the inner lock cylinder are in a separated state, and when a lawbreaker turns into a house from a window, the door can be opened only by the inner lock key, so that large articles cannot be stolen and the door cannot be separated off in a decent manner, and the anti-theft effect is better.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An anti-theft lock with a clutch type handle refers to figures 1 to 2 and comprises a lock body, wherein an outer lock cylinder 9 and an anti-locking button 1 are respectively arranged on two surfaces of the lock body, an inner lock cylinder is arranged in the anti-locking button 1, a guide strip 2 which can be driven by the inner lock cylinder to rotate is arranged in the lock body, one end of the guide strip 2 is connected with the anti-locking button 1, and the other end of the guide strip is inserted into a strip-shaped hole of a displacement component; the displacement component comprises a hollow sleeve 4 and a worm 3 arranged in the sleeve 4, the inner wall of the sleeve 4 is provided with an internal thread matched with the worm 3, and a strip-shaped hole is arranged in the middle of the worm 3; one end of the sleeve 4 is provided with a clutch component, the clutch component comprises a first lug 5 and a second lug 6 which can be mutually meshed, the inner diameters of the first lug 5 and the second lug 6 are equal, and the surfaces of the first lug 5 and the second lug 6 are provided with trapezoidal grooves; a compression spring 7 is arranged between the bottom of the first lug 5 and the sleeve 4, one end of the second lug 6 is connected with a transmission part 8, and the transmission part 8 can be driven by an outer lock cylinder 9 to rotate.

When the anti-theft lock with the clutch type handle is used, the counter lock button 1 is pressed down firstly, so that the internal lock is locked; after the resident goes outdoors, the door is closed, the key is inserted into the outer lock cylinder 9, the key is rotated, the second lug 6 and the first lug 5 are disengaged under the drive of the outer lock cylinder 9, and the outer lock is locked; at the moment, the outer lock cylinder 9 and the inner lock cylinder are in a separated state, and when a lawbreaker turns into a house from a window, the door can be opened only by the inner lock key, so that large articles cannot be stolen and can be moved away in a decent way, and the anti-theft effect is better; when a resident needs to unlock, a key is inserted into the outer lock cylinder 9, the second convex block 6 is meshed with the first convex block 5 under the driving of the outer lock cylinder 9, the worm 3 is pushed inwards by the first convex block 5 under the action of the restoring force of the compression spring 7, so that the counter lock button 1 is popped out, the inner lock is unlocked, and the use is more convenient.

Referring to fig. 2, based on the foregoing technical solutions, the anti-theft lock with a clutch type handle according to an embodiment may further include that trapezoidal grooves on the first projection 5 and the second projection 6 are symmetrically disposed. Thereby the stress is even, and the service life of the product is prolonged.

Referring to fig. 2, based on the foregoing technical solutions, in the anti-theft lock with a clutch type handle according to the embodiment, an outer handle 10 and an inner handle 11 may be respectively and correspondingly disposed on the outer lock cylinder 9 and the inner lock cylinder. Thereby facilitating the opening of the door by rotating the handle.

Referring to fig. 2, based on the foregoing technical solution, the anti-theft lock with a clutch type handle of an embodiment may further specifically be that the outer lock cylinder 9 is consistent with the lock hole of the inner lock cylinder. Therefore, the inner lock and the outer lock can be unlocked by one key, and the use is more convenient.

It is right above the utility model discloses explanation that the pickproof lock with separation and reunion formula handle goes on for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope the utility model discloses a.

Claims

1. The utility model provides an pickproof lock with separation and reunion formula handle which characterized in that: the lock comprises a lock body, wherein an outer lock cylinder and a back-locking button are respectively arranged on two sides of the lock body, an inner lock cylinder is arranged in the back-locking button, a guide strip which can be driven by the inner lock cylinder to rotate is arranged in the lock body, one end of the guide strip is connected with the back-locking button, and the other end of the guide strip is inserted into a strip-shaped hole of a displacement component; the displacement component comprises a hollow sleeve and a worm arranged in the sleeve, the inner wall of the sleeve is provided with an internal thread matched with the worm, and the strip-shaped hole is formed in the middle of the worm; a clutch component is arranged at one end of the sleeve and comprises a first lug and a second lug which can be mutually meshed, the inner diameters of the first lug and the second lug are equal, and trapezoidal grooves are formed in the surfaces of the first lug and the second lug; a compression spring is arranged between the bottom of the first convex block and the sleeve, one end of the second convex block is connected with a transmission part, and the transmission part can be driven by the outer lock cylinder to rotate.

2. The anti-theft lock with clutch handle according to claim 1, characterized in that: the trapezoidal grooves on the first lug and the second lug are symmetrically arranged.

3. The anti-theft lock with clutch handle according to claim 1, characterized in that: the outer lock cylinder and the inner lock cylinder are respectively provided with an outer handle and an inner handle correspondingly.

4. The anti-theft lock with clutch handle according to claim 1, characterized in that: the lock hole of the outer lock cylinder is consistent with that of the inner lock cylinder.