CN217353913U

CN217353913U - Telescopic double-hook door lock

Info

Publication number: CN217353913U
Application number: CN202221175882.1U
Authority: CN
Inventors: 高代国
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-02
Anticipated expiration: 2032-05-16

Abstract

The utility model provides a telescopic double-hook door lock, which arranges most moving parts into a block shape and moves towards the same direction by arranging a guide groove in an inner lock body; only need let drive unit stir the movable block, can order about the spring bolt and stretch out or contract, the spring bolt drives the latch hook removal simultaneously still for the direction head of latch hook opens or closes along the shape of guide way. The door lock is simple in arrangement mode and structure, stable in operation and strong in durability, and the safety of the door tool is greatly improved due to the locking design of the double lock hooks.

Description

Telescopic double-hook door lock

Technical Field

The utility model belongs to the technical field of the tool to lock, concretely relates to flexible double hook lock.

Background

The telescopic door lock is a door lock which is very common in the market, and the existing telescopic door lock partially adopts a single-bolt structure, has no fastening part, is not firm when being locked, is easy to be pried open and cannot reach the safety standard. The other part of the door lock with the lock hook is usually used for driving the lock tongue and the lock hook to extend or retract through an elastic part, the structure is not only internally complex but also troublesome in assembly, and after the elastic part is used for a long time, the self elasticity is reduced, so that the situations of blockage or unsmooth operation and the like occur when the lock tongue and the lock hook extend or retract, the durability of the door lock is reduced, and the operation is unstable.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that the safety of the telescopic door lock is not good, the durability is low and the operation is unstable, the utility model discloses the technical scheme who adopts is: a telescopic double-hook door lock comprises an inner lock body, wherein a driving part and a moving block connected with the driving part are arranged in the inner lock body, the moving block is connected with a lock bolt, and the driving part drives the lock bolt to extend or retract by poking the moving block;

the lock is characterized in that at least one group of lock hooks is hinged in the lock tongue, the inner lock body also comprises a guide groove for the lock hooks to move back and forth, and when the lock tongue drives the lock hooks to move, the lock hooks move along the shape of the guide groove to be opened or closed;

furthermore, one end of the guide groove is obliquely arranged;

furthermore, one end of the lock hook is provided with a guide head, and the guide head is placed in the guide groove to move back and forth;

furthermore, the locking hook is provided with a mounting hole, a positioning pin is correspondingly arranged on the moving block and corresponds to the mounting hole, and the locking hook is inserted into the positioning pin through the mounting hole and is movably connected with the moving block;

furthermore, the driving part comprises a shifting rod, an inner notch is formed in the moving block, and the shifting rod moves back and forth in the inner notch so as to shift the moving block;

still further, the driving part also comprises a return rod, a spring is arranged in the inner lock body, and the return rod is hinged with one end of the spring;

furthermore, one end of the moving block is connected with a connecting block, and one end of the connecting block is connected with the lock tongue;

furthermore, a stop block for limiting the moving range of the moving block is arranged in the inner lock body;

furthermore, an outer lock body is clamped outside the inner lock body and comprises a first shell and a second shell, a knob is mounted on the first shell, a lock cylinder is mounted on the second shell, and the knob and the lock cylinder are linked with a driving part.

Compared with the prior art, the telescopic double-hook door lock provided by the utility model has the advantages that the guide groove is arranged in the inner lock body, and most of the moving parts are arranged into blocks and move towards the same direction; only need let drive unit stir the movable block, can order about the spring bolt and stretch out or contract, the spring bolt drives the latch hook removal simultaneously still for the direction head of latch hook opens or closes along the shape of guide way. The door lock is simple in arrangement mode and structure, stable in operation and strong in durability, and the safety of the door tool is greatly improved due to the locking design of the double lock hooks.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described as follows:

FIG. 1 is an overall assembly view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an internal structure view of the locking state of the present invention;

fig. 4 is an internal structure view of the unlocking state of the present invention;

fig. 5 is a position diagram of the latch hook in the locked state of the present invention;

fig. 6 is a position diagram of the latch hook in the unlocked state of the present invention;

fig. 7 is a partially exploded view of the present invention.

Reference numerals:

1. the lock comprises an outer lock body 11, a first shell 12, a second shell 13, a knob 14 and a lock cylinder; 200. the inner lock body comprises an inner lock body 210, a driving part 211, a shifting rod 212, a return rod 220, a moving block 221, a bolt 222, a connecting block 223, a positioning pin 224, an inner notch 230, a guide groove 240, a spring 250 and a stop block; 3. latch hook 31, guide head 32, mounting hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 4, the utility model provides a flexible double hook lock, this flexible double hook lock includes outer lock body 1 and the interior lock body 200 by outer lock body 1 centre gripping, and foretell outer lock body 1 includes first casing 11 and second casing 12, installs knob 13 on first casing 11, installs lock core 14 on second casing 12. The inner lock body 200 includes a driving member 210 and a moving block 220 connected to the driving member 210, the driving member 210 is interlocked with the knob 13 and the key cylinder 14, and the driving member 210 is used for driving the moving block 220 to move back and forth. One side of the moving block 220 is connected with a bolt 221, and the driving part 210 drives the bolt 221 to extend out of the inner lock body 200 or retract into the lock body 200 by moving the moving block 220. A set of latch hooks 3 is hinged in the latch tongue 221, and the latch hooks 3 are used for fastening a door tool during locking; the inner lock body 200 further includes a guide groove 230 for the locking hook 3 to move back and forth, and when the locking tongue 221 drives the locking hook 3 to move, the locking hook 3 moves along the shape of the guide groove 230, so that the locking hook 3 extends out of the locking tongue 221 or retracts into the locking tongue 221 when being opened.

Specifically, as shown in fig. 3 to 6, the driving unit 210 includes a shift lever 211, an inner recess 224 is disposed on the moving block 220, and the shift lever 211 is placed in the inner recess 224 to move back and forth, so as to shift the moving block 220. The driving member 210 further includes a return rod 212, a spring 240 is disposed in the inner lock body 200, and the return rod 212 is hinged to one end of the spring 240. One end of the guide groove 230 is inclined, one end of the latch hook 3 is provided with a guide head 31, and the guide head 31 is placed in the guide groove 230 to move back and forth. The locking hook 3 is further provided with an installation hole 32, a positioning pin 223 is arranged on the moving block 220 corresponding to the installation hole 32, and the locking hook 3 is inserted into the positioning pin 223 through the installation hole 32 and is movably connected with the moving block 220. In order to enable the locking tongue 221 and the locking hook 3 to extend or contract more accurately in the inner lock body 200 during operation, a stop block 250 for limiting the moving range of the moving block 220 is arranged in the inner lock body 200, and the stop block 250 can also eliminate abnormal sound generated when the moving block 220 collides with the inner lock body 200 during moving, so that a mute effect is achieved. As shown in fig. 7, in order to more stably connect the moving block 220 to the latch 221, a connection block 222 is fixedly connected to one end of the moving block 220, and one end of the connection block 222 is fixedly connected to the latch 221.

When the door needs to be locked, the knob 13 or the lock cylinder 14 is rotated, the driving lever 211 of the driving part 210 drives the moving block 220 to move towards the outside of the inner lock body 200 in the inner notch 224, and at the moment, the bolt 221 is driven to extend out of the inner lock body 200; when the latch bolt 221 extends out, the latch hook 3 is also driven by the latch bolt 221, and the guide head 31 moves outwards along the guide groove 230 to open the latch hook 3 on the latch bolt 221, so as to lock the door furniture. When the unlocking is needed, the knob 13 or the lock cylinder 14 is rotated reversely, the driving lever 211 of the driving part 210 drives the moving block 220 to move into the inner lock body 200 in the inner notch 224, and the bolt 221 is driven to retract into the inner lock body 200 at the moment; when the latch bolt 221 contracts, the latch hook 3 is also driven by the latch bolt 221, and the guide head 31 moves inwards along the guide groove 230 to close the latch hook 3 on the latch bolt 221, so as to unlock the door furniture. In addition, the spring 240 is connected with the return lever 211, and when the driving part 210 rotates to the locking position, the return lever 211 tensions the spring 240; when the driving part 210 rotates to the unlocking position, the spring 240 drives the pull-back lever 211 under the action of the self resilience force, so that the driving part 210 is driven to rotate, and an operator can more smoothly open and close the door by using the knob 13 or the lock cylinder 14.

The utility model provides a telescopic double-hook door lock, through setting up the guide way 230 in the inner lock body 200, and set up most of moving parts into the block, and move to the same direction; only by moving the moving block 220 by the driving part 210, the locking tongue 221 can be driven to extend or retract, and at the same time, the locking tongue 221 drives the locking hook 3 to move, so that the guide head 31 of the locking hook 3 opens or closes along the shape of the guide groove 230. The door lock is simple in arrangement mode and structure, stable in operation and strong in durability, and the safety of the door tool is greatly improved due to the locking design of the double lock hooks.

The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application, and other embodiments and basic structures that are the same as or similar to the present application are within the scope of the present application.

Claims

1. A telescopic double-hook door lock is characterized by comprising an inner lock body (200), wherein the inner lock body (200) comprises a driving part (210) and a moving block (220) connected with the driving part (210), the moving block (220) is connected with a bolt (221), and the driving part (210) drives the bolt (221) to extend or retract by poking the moving block (220);

the lock is characterized in that at least one group of lock hooks (3) are hinged in the lock tongue (221), a guide groove (230) for the lock hooks (3) to move back and forth is further formed in the inner lock body (200), and when the lock tongue (221) drives the lock hooks (3) to move, the lock hooks (3) move along the shape of the guide groove (230) to be opened or closed.

2. A retractable double hook door lock according to claim 1, wherein: one end of the guide groove (230) is obliquely arranged.

3. A retractable double hook door lock according to claim 2, wherein: one end of the lock hook (3) is provided with a guide head (31), and the guide head (31) is placed in the guide groove (230) to move back and forth.

4. A retractable double hook door lock according to claim 3, wherein: the locking hook (3) is provided with a mounting hole (32), the moving block (220) is provided with a positioning pin (223) corresponding to the mounting hole (32), and the locking hook (3) is inserted into the positioning pin (223) through the mounting hole (32) and is movably connected with the moving block (220).

5. A retractable double hook door lock according to claim 1, wherein: the driving part (210) comprises a shifting lever (211), an inner notch (224) is formed in the moving block (220), and the shifting lever (211) moves back and forth in the inner notch (224) so as to shift the moving block (220).

6. A retractable double hook door lock as claimed in claim 5, wherein: the driving part (210) further comprises a return rod (212), a spring (240) is arranged in the inner lock body (200), and the return rod (212) is hinged with one end of the spring (240).

7. A retractable double hook door lock according to claim 1, wherein: one end of the moving block (220) is connected with a connecting block (222), and one end of the connecting block (222) is connected with a bolt (221).

8. A retractable double hook door lock according to claim 1, wherein: and a stop block (250) for limiting the moving range of the moving block (220) is arranged in the inner lock body (200).

9. A retractable double hook door lock according to claim 1, wherein: the outer lock body (1) is clamped outside the inner lock body (200), the outer lock body (1) comprises a first shell (11) and a second shell (12), a knob (13) is installed on the first shell (11), a lock cylinder (14) is installed on the second shell (12), and the knob (13) and the lock cylinder (14) are linked with a driving part (210).