CN220667232U - Door lock with anti-theft function - Google Patents

Abstract

The utility model relates to the technical field of door locks, and discloses a door lock with an anti-theft function, which comprises a shell, wherein the front surface of the shell is penetrated and rotationally connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a door handle, the front surface of the shell is provided with a locking groove, the locking groove is slidably connected with a hiding plate, a lock head is slidably connected in the locking groove, the tail end of the lock head is fixedly connected with a lock body, the side wall of the lock body is slidably connected with a sliding rod, and an anti-theft mechanism is arranged in the shell. When the door lock with the anti-theft function is used, after the key is inserted into the lock head, the lock head is lifted upwards to drive the lock head to slide in the lock groove, the hidden plate is extruded into the inner wall of the outer wall, the clamping block can be separated from the groove, the key can be twisted, if the door handle is directly twisted to open the door after the lock body is damaged, the patch is connected with the connecting block on the fixed block fixedly connected with the rack through the telescopic rod, and an alarm can be sent out after the patch is contacted with the alarm.

Description

Door lock with anti-theft function

Technical Field

The utility model relates to the technical field of door locks, in particular to a door lock with an anti-theft function.

Background

Door locks are, as the name suggests, devices used to lock a door to prevent others from opening the door. The door locks are classified into a plurality of types, the requirements on the door locks are different in each occasion, and the door locks commonly used by ordinary families have a certain protection function and are cheaper.

Door locks are of various types, but in the design concept, outsiders cannot easily open the door locks through various structures and designs, and almost all people can be provided with the door locks at home to ensure the safety of the outsiders.

The existing door lock is broken in function principle, if only a pure lock body is used for protecting the door lock, the door lock needs to be matched with some other safety designs for use, and the door lock is characterized in that: we propose a door lock with anti-theft function.

Disclosure of Invention

The present utility model is directed to a door lock with anti-theft function, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a possess lock of theftproof function, includes the shell, the shell openly runs through and rotates and be connected with the pivot, pivot top fixedly connected with door handle, the locked groove has been seted up on the shell front surface, locked groove sliding connection has the hidden board, sliding connection has the tapered end in the locked groove, tapered end fixedly connected with lock body, lock body lateral wall sliding connection has the slide bar, slide bar end fixedly connected with theftproof spring bolt, the shell lateral wall runs through and sliding connection has the inclined plane spring bolt, be provided with anti-theft mechanism in the shell, anti-theft mechanism includes:

the gear is fixedly connected to the tail end of the rotating shaft, the side wall of the inclined plane spring bolt is fixedly connected with a rack, the rack can be driven to move through rotation of the gear, the tail end of the rack is fixedly connected with a fixed block, and the side wall of the fixed block is fixedly connected with a reset spring for resetting the rack and the gear;

the connecting block is fixedly connected to the bottom surface of the fixed block, the side wall of the connecting block is fixedly connected with a telescopic spring and a telescopic rod, and the top end of the telescopic rod is fixedly connected with a patch;

the recess, the recess is seted up in the slide bar bottom, the inside bottom surface fixedly connected with fixture block of shell can lock the removal of slide bar, lock body lateral wall fixedly connected with baffle, the shell inner wall is provided with the siren, can send out the alarm with the paster contact.

Preferably, the rack is meshed with the gear.

Preferably, the anti-theft lock tongue penetrates through the side wall of the shell and is connected in a sliding manner.

Preferably, when the telescopic spring is not compressed, the patch is attached to the alarm at the furthest distance.

Preferably, when the lock is at the highest position, the baffle is positioned between the patch and the alarm.

Preferably, the clamping block is positioned right below the groove, and the size and the shape are fit.

Compared with the prior art, the utility model provides the door lock with the anti-theft function, which has the following beneficial effects:

1. this possess lock of theftproof function, in order to avoid other people to open the lock through the instrument of unblanking, design has anti-theft mechanism, can go into the draw-in groove through the fixture block card of shell bottom, the locking slide bar can't remove for even use also can't rotate after the instrument adjustment lock core of unblanking, unable anti-theft lock tongue of drawing back, need behind the key of inserting go up the tapered end and drive the lock body and rise, drive the slide bar and keep away from the fixture block, make the fixture block deviate from the draw-in groove and just can rotate the key.

2. This possess lock of theftproof function, in order to avoid other people to destroy the lock through violent operation, if the lock is destroyed the back, the door handle is rotatory to limit drive gear rotation to make the rack slip, the inclined plane spring bolt is withdrawn the back, and the connecting block on the rack bottom fixed block is connected with the paster through the telescopic link, will paste to make it send out the alarm on the siren.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of the structure of the internal diagram of the present utility model;

FIG. 3 is a schematic diagram of the structure of the portion A of the present utility model;

fig. 4 is a schematic view of the structure of an internal view of another angle of the present utility model.

In the figure: 1. a housing; 2. a door handle; 3. a rotating shaft; 4. a locking groove; 5. a hidden plate; 6. a lock head; 7. an anti-theft mechanism; 701. a gear; 702. a rack; 703. a fixed block; 704. a return spring; 705. a connecting block; 706. a telescopic rod; 707. a telescopic spring; 708. a patch; 709. an alarm; 710. a clamping block; 711. a groove; 712. a baffle; 8. inclined plane spring bolt; 9. anti-theft lock tongue; 10. a slide bar; 11. a lock body.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a door lock that possesses theftproof function, including shell 1, shell 1 openly runs through and rotates and be connected with pivot 3, pivot 3 top fixedly connected with door knob 2, it can drive pivot 3 rotatory to rotate door knob 2, drive gear 701 rotatory, lock groove 4 has been seted up on shell 1 front surface, lock groove 4 sliding connection has hidden board 5, sliding connection has tapered end 6 in lock groove 4, can extrude hidden board 5 when tapered end 6 upwards slides and slide to shell 1 outer wall inside, tapered end 6 end fixedly connected with lock body 11, lock body 11 lateral wall sliding connection has slide bar 10, slide bar 10 end fixedly connected with theftproof spring bolt 9, theftproof spring bolt 9 runs through shell 1 lateral wall and sliding connection, shell 1 lateral wall runs through and sliding connection has inclined plane spring bolt 8, be provided with anti-theft mechanism 7 in the shell 1.

The antitheft mechanism 7 includes: gear 701, rack 702, fixed block 703, return spring 704, connection block 705, telescoping rod 706, telescoping spring 707, patch 708, alarm 709, fixture block 710, groove 711, and baffle 712. Gear 701 fixed connection is at the end of pivot 3, inclined plane spring bolt 8 lateral wall fixedly connected with rack 702, rack 702 and gear 701 meshing, rack 702 end fixedly connected with fixed block 703, fixed block 703 lateral wall fixedly connected with reset spring 704, connecting block 705 fixed connection is in the fixed block 703 bottom surface, connecting block 705 lateral wall fixedly connected with extension spring 707 and telescopic link 706, telescopic link 706 top fixedly connected with paster 708, the recess 711 is seted up at slide bar 10 bottom, shell 1 inside bottom surface fixedly connected with fixture block 710, fixture block 710 is under recess 711, and the laminating of size shape, when slide bar 10 is in the bottom, fixture block 710 can insert recess 711 inside tissue slide bar 10 and remove, lock 11 lateral wall fixedly connected with baffle 712, shell 1 inner wall is provided with alarm 709, paster 708 is in the laminating with alarm 709 when the furthest distance when the extension spring 707 is not compressed, baffle 708 is located between paster 708 and the alarm 709 when tapered end 6 is in the highest position, can stop paster 708 and alarm 709 to prevent sending out the alarm.

Working principle: when another person attempts to unlock the door lock with the anti-theft function by using the unlocking tool, the clamping block 710 is inserted into the groove 711, so that the sliding rod 10 cannot move, the anti-theft lock tongue 9 cannot retract, and the door cannot be opened. Only after knowing the using method, the key is inserted and lifted up, the lock head 6 is driven to squeeze the hidden plate 5 out, the hidden plate 5 enters the outer wall of the shell 1, the lock head 6 drives the lock body 11 to move upwards, the slide rod 10 is driven to slide upwards on the side wall of the anti-theft lock tongue 9, the clamping block 710 at the bottom of the shell 1 is separated from the groove 711, the sliding unlocking is completed, the key can be rotated to retract the anti-theft lock tongue 9 at the moment, if someone breaks the door lock forcibly, the door handle 2 is rotated to open the door, the door handle 2 drives the gear 701 to rotate, so that the rack 702 slides, the connecting block 705 on the fixed block 703 at the bottom of the rack 702 is connected with the patch 708 through the telescopic rod 706, and the alarm is attached to the alarm 709 to give an alarm. If the lock is unlocked by normal means, the lock body 11 can drive the baffle 712 to move upwards when moving upwards, and is positioned between the patch 708 and the alarm 709, and under the action of the telescopic spring 707, the patch 708 can be contacted and attached with the baffle 712, and the alarm 709 can not be touched, so that an alarm is prevented from being sent out. Thus, the enhancement of the anti-theft function can be achieved based on the door lock.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a possess lock of theftproof function, includes shell (1), its characterized in that: the utility model discloses a lock comprises a shell (1), including shell (1), lock groove (4) sliding connection, lock head (6) end fixedly connected with lock body (11), lock body (11) lateral wall sliding connection has slide bar (10), slide bar (10) end fixedly connected with theftproof spring bolt (9), shell (1) lateral wall runs through and sliding connection has inclined plane spring bolt (8), be provided with anti-theft mechanism (7) in shell (1), anti-theft mechanism (7) include:

the gear (701), gear (701) fixedly connected with is at pivot (3) end, inclined plane spring bolt (8) lateral wall fixedly connected with rack (702), rack (702) end fixedly connected with fixed block (703), fixed block (703) lateral wall fixedly connected with reset spring (704);

the connecting block (705), connecting block (705) fixed connection is in fixed block (703) bottom surface, connecting block (705) lateral wall fixedly connected with telescopic spring (707) and telescopic link (706), telescopic link (706) top fixedly connected with paster (708);

the novel lock comprises a groove (711), wherein the groove (711) is formed in the bottom end of a sliding rod (10), a clamping block (710) is fixedly connected to the bottom surface of the inside of the shell (1), a baffle (712) is fixedly connected to the side wall of the lock body (11), and an alarm (709) is arranged on the inner wall of the shell (1).

2. The door lock with anti-theft function according to claim 1, wherein: the rack (702) is meshed with the gear (701).

3. The door lock with anti-theft function according to claim 1, wherein: the anti-theft lock tongue (9) penetrates through the side wall of the shell (1) and is connected in a sliding mode.

4. The door lock with anti-theft function according to claim 1, wherein: when the extension spring (707) is not compressed, the patch (708) is attached to the alarm (709) at the farthest distance.

5. The door lock with anti-theft function according to claim 1, wherein: when the lock (6) is at the highest position, the baffle (712) is positioned between the patch (708) and the alarm (709).

6. The door lock with anti-theft function according to claim 1, wherein: the clamping block (710) is arranged right below the groove (711) and is fit in size and shape.