CN211524429U

CN211524429U - Lock body capable of locking automatically when door is closed

Info

Publication number: CN211524429U
Application number: CN201922258460.5U
Authority: CN
Inventors: 卢长志; 杜可伟
Original assignee: Guangdong Heron Intelligent Technology Co ltd
Current assignee: Guangdong Heron Intelligent Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-18
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an automatic locking lock body for closing a door, which comprises a lock shell, a transmission plate component, a separating shifting plate component, a safety tongue component and a spring bolt component, wherein the separating shifting plate component comprises a separating shifting plate; the drive plate assembly includes a lateral stop and a stop spring. When the door is closed, the safety tongue assembly is compressed and recovered, and drives the separating shifting plate to rotate; the lateral block locks the lock tongue assembly under the elastic action of the block spring to realize the locking of the lock tongue assembly. The utility model discloses a lock body, when closing the door, this insurance tongue subassembly is retrieved by the compression, makes the side direction dog not receive the separation and dials the effect of board subassembly to lock the lock tongue subassembly under the elastic force of dog spring, realize closing the automatic function of locking.

Description

Lock body capable of locking automatically when door is closed

Technical Field

The utility model relates to a tool to lock field, concretely relates to lock body that locks automatically closes door.

Background

At present, mortise locks on the market generally consist of a latch bolt and a dead bolt. When the door is closed, the latch bolt is not locked generally, and can be opened by rotating the door outer handle. This mortise lock does not meet the requirements of a user who wishes to close the door to lock the latch bolt.

Therefore, how to design a lock body capable of automatically locking when the door is closed becomes a technical problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides an automatic lock body of locking can close the door can lock the spring bolt when closing the door, and is comparatively convenient.

The utility model discloses a solve the technical scheme that its problem adopted and be:

the utility model provides a lock body that automatic locking of closing door, includes lock shell, drive plate subassembly, separation group board subassembly, insurance tongue subassembly and spring bolt subassembly, wherein:

the separating shifting plate assembly comprises a separating shifting plate;

the transmission plate assembly comprises a lateral stop block and a stop block spring;

when the door is closed, the safety tongue assembly is compressed and recovered, and drives the separating shifting plate to rotate; the lateral block locks the lock tongue assembly under the elastic action of the block spring to realize the locking of the lock tongue assembly.

Therefore, when the door is closed, the safety tongue assembly is compressed and recovered, and the lateral stop block can be free from the action of the separating shifting plate assembly and can lock the safety tongue assembly under the elastic action of the stop block spring, so that the function of locking when the door is closed is realized.

Further, the safety tongue assembly comprises a safety tongue, a safety tongue positioning block and a safety tongue return spring, wherein:

the safety tongue is connected with the safety tongue positioning block;

the safety tongue always extends out of the lock shell under the elastic acting force of the safety tongue return spring;

and a first abutting groove is formed in the safety tongue positioning block.

When the door is closed, the safety tongue is compressed and recovered, and drives the first abutting groove on the safety tongue positioning block to abut against the separating shifting plate, so that the separating shifting plate is driven to rotate.

Furthermore, the separation dial plate assembly further comprises a separation dial plate spring, one end of the separation dial plate spring is connected with the separation dial plate, and the other end of the separation dial plate spring is connected with the lock shell.

When the door is not closed, namely the safety tongue assembly is not compressed, under the elastic acting force of the separating and shifting plate spring, the separating and shifting plate drives the lateral stop block to be far away from the lock tongue assembly, so that the lock tongue assembly is unlocked.

Further, the separation is dialled leaf spring and is included dialling the leaf spring body, and first end and the second end that stretches out, wherein:

the shifting plate spring body and the first extending end are both connected to the separating shifting plate; the second extending end is connected with the lock shell.

Furthermore, the transmission plate assembly also comprises a connecting plate, and the lateral stop block is arranged on the connecting plate; the connecting plate is provided with a first bending part.

When the door is not closed, namely the safety tongue assembly is not compressed, under the elastic acting force of the separating and shifting plate spring, the separating and shifting plate is abutted against the first bending part on the connecting plate and drives the lateral stop block on the connecting plate to be far away from the lock tongue assembly, so that the lock tongue assembly is unlocked.

Thus, by providing the tie plate and lateral stops, a set of lever amplification relationships can be formed to improve the unlocking force on the latch bolt assembly.

Furthermore, a mounting groove is formed in the lateral stop block, and a second bending portion capable of being inserted into the mounting groove is arranged at the end portion of the connecting plate.

Further, the lock tongue assembly comprises a lock tongue, and the width of the lock tongue is larger than that of the safety tongue.

When the door is closed, the lock tongue is compressed and recovered before the safety tongue.

Further, the bolt assembly further comprises a bolt positioning block and a bolt return spring, wherein:

the lock tongue is connected with the lock tongue positioning block;

the lock tongue always extends out of the lock shell under the elastic acting force of the lock tongue return spring;

and a second abutting groove is formed in the lock tongue positioning block.

When the door is closed, the safety tongue assembly is compressed and recovered, and drives the separating shifting plate to rotate; the lateral stop block is abutted against the second abutting groove under the elastic acting force of the stop block spring, so that the locking of the lock tongue is realized.

Further, the chock spring comprises a chock spring body, a third protruding end and a fourth protruding end, wherein:

the stop block spring body and the fourth extending end are both connected to the lock shell, and the third extending end is connected to the lateral stop block.

Further, the bolt is a two-way flip bolt.

To sum up, the utility model provides a pair of lock body that locks automatically closes door, when closing the door, this insurance tongue subassembly is retrieved by the compression, makes even board and side direction dog not receive the elastic force that the separation dialled the leaf spring, the side direction dog is the locking tongue subassembly under the elastic force of dog spring, realizes the automatic function of locking of closing the door.

Drawings

Fig. 1 is an explosion diagram of the lock body of the utility model which can be automatically locked when the door is closed;

FIG. 2 is a schematic structural view of the separation dial plate of FIG. 1;

FIG. 3 is a schematic structural view of the separated toggle plate spring in FIG. 1;

FIG. 4 is a schematic view of the tie plate of FIG. 1;

FIG. 5 is a schematic view of the lateral stop of FIG. 1;

FIG. 6 is a schematic structural view of the retainer spring of FIG. 1;

fig. 7 is a schematic structural view of the lock body of the present invention during locking;

fig. 8 is a schematic structural diagram of the lock body of the present invention during unlocking.

Wherein the reference numerals have the following meanings:

1. a lock case; 11. a first positioning post; 12. a second positioning column; 13. a third positioning column; 14. a fourth positioning column; 15. a fifth positioning column; 16. a first mounting plate; 17. a second mounting plate; 2. a safety tongue assembly; 21. a safety tongue; 22. a safety tongue positioning block; 221. a first abutting groove; 23. a safety tongue return spring; 3. a latch bolt assembly; 31. a latch bolt; 32. a lock tongue positioning block; 321. a second abutting groove; 33. a bolt return spring; 34. a lock tongue positioning block guide plate; 4. separating the shifting plate assembly; 41. separating the shifting plate; 411. a first boss; 412. a second boss; 42. separating the toggle plate spring; 421. a toggle plate spring body; 422. a first protruding end; 423. a second protruding end; 5. a drive plate assembly; 51. a lateral stop block; 511. mounting grooves; 5111. a horizontal portion; 5112. a vertical portion; 52. a stopper spring; 521. a stopper spring body; 522. a third protruding end; 523. a fourth protruding end; 53. connecting plates; 531. a first bending portion; 532. a second bending portion; 533. a first mounting hole; 534. a second mounting hole; 6. and a guide post.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-7, the present invention provides a lock body capable of automatically locking when a door is closed, including a lock housing 1, in this embodiment, the lock housing 1 is a cavity housing having a square cavity, a separating dial plate assembly 4 and a safety tongue assembly 2 are disposed in the cavity housing, the safety tongue assembly 2 includes a safety tongue 21, a safety tongue positioning block 22 and a safety tongue return spring 23, the safety tongue 21 is connected to the safety tongue positioning block 22; one end of the safety tongue return spring 23 is connected with the safety tongue positioning block 22, and the other end is connected with the first mounting plate 16 on the lock shell 1. Therefore, the safety tongue 21 always extends out of the lock shell 1 under the elastic acting force of the safety tongue return spring 23; the safety tongue positioning block 22 is provided with a first abutting groove 221; this board subassembly 4 is dialled in separation includes that the board 41 is dialled in the separation and the separation dials plate spring 42, still is equipped with first reference column 11 on this lock shell 1, and this separation is dialled and is equipped with a through-hole on the board 41, and through dialling the separation on the through-hole of board 41 inserts first reference column 11, the realization is dialled the separation board 41 and is rotated the connection on lock shell 1. The separate toggle plate spring 42 comprises a toggle plate spring body 421, a first protruding end 422 and a second protruding end 423, in this embodiment, the toggle plate spring body 421 and the first protruding end 422 are wound in a cylindrical shape, and the second protruding end 423 directly protrudes; the separating dial plate 41 is provided with a first boss 411 and a second boss 412, the dial plate spring body 421 is sleeved on the first boss 411, and the first extending end 422 is sleeved on the second boss 412; in addition, the lock case 1 is further provided with a second positioning post 12, and the second extending end 423 abuts against the second positioning post 12.

When the door is closed, the safety tongue 21 is compressed by the door jamb to be retracted, and then drives the safety tongue positioning block 22 to be retracted, and when the safety tongue positioning block 22 is retracted, the first abutting groove 221 thereof may abut against the separation dial plate 41, and then drives the separation dial plate 41 to rotate against the elastic force of the separation dial plate spring 42.

The lock body further comprises a transmission plate assembly 5 and a lock tongue assembly 3, the lock tongue assembly 3 comprises a lock tongue 31, a lock tongue positioning block 32 and a lock tongue reset spring 33, the lock tongue 31 is connected with the lock tongue positioning block 32, one end of the lock tongue reset spring 33 is connected with the lock tongue positioning block 32, and the other end of the lock tongue reset spring is connected with a second mounting plate 17 on the lock shell 1. Therefore, the bolt 31 always extends out of the lock shell 1 under the elastic force of the bolt return spring 33. In the present embodiment, the width of the latch bolt 31 is larger than the width of the safety bolt 21, so that the latch bolt 31 is compressed and recovered before the safety bolt 21 when the door is closed. The bolt positioning block 32 is further provided with a second abutting groove 321.

The driving plate assembly 5 includes a connecting plate 53, a lateral stopper 51 and a stopper spring 52, the connecting plate 53 is provided with a first mounting hole 533 and a second mounting hole 534, in this embodiment, the first mounting hole 533 and the second mounting hole 534 are both kidney-shaped holes; the lock case 1 is provided with a fourth positioning column 14 and a fifth positioning column 15, and the connecting plate 53 is slidably connected to the lock case 1 by inserting the first mounting hole 533 and the second mounting hole 534 into the fourth positioning column 14 and the fifth positioning column 15, respectively. In addition, the guide posts 6 are arranged on the fourth positioning posts 14 and the fifth positioning posts 15, the connecting plate 53 can be limited from vertically swinging by the aid of the guide posts 6, and stability of the connecting plate 53 in sliding is improved. The connecting plate 53 is provided at both ends thereof with a first bending portion 531 and a second bending portion 532, respectively, the lateral stopper 51 is provided with an installation groove 511, the installation groove 511 is of an inverted L-shape and includes a horizontal portion 5111 and a vertical portion 5112, and the installation of the lateral stopper 51 to the connecting plate 53 can be achieved by inserting the second bending portion 532 into the vertical portion 5112 of the installation groove 511. The stopper spring 52 includes a stopper spring body 521, a third projecting end 522 and a fourth projecting end 523. In this embodiment, the stopper spring body 521 is wound in a cylindrical shape, and the third protruding end 522 and the fourth protruding end 523 both directly protrude; a third positioning column 13 and a bolt positioning block guide plate 34 are arranged on the lock shell 1, and the stop spring body 521 is sleeved on the third positioning column 13; the third protruding end 522 is inserted into the horizontal portion of the mounting groove 511, and the fourth protruding end 523 abuts against the side surface of the deadbolt positioning block guide plate 34. Thus, the side stopper 51 is brought into contact with the second contact groove 321 of the tongue positioning block 32 by the elastic force of the stopper spring 52, so that the recovery of the tongue 31 is restricted, thereby locking the tongue 31.

The working principle of the utility model is as follows:

when the door is not closed, that is, the safety catch 21 is not compressed, the separating toggle plate 41 abuts against the first bending portion 531 on the link plate 53 under the elastic force of the separating toggle plate spring 42, and drives the first bending portion 531 to abut against the first mounting plate 16, at this time, the lateral stopper 51 on the link plate 53 is separated from the second abutting groove 321 on the catch positioning block 32, the recovery of the catch 31 is not limited, and thus the catch 31 is unlocked.

When the door is closed, the latch 31 is compressed and recovered prior to the safety tongue 21, and then drives the second abutting groove 321 on the latch positioning block 32 to recover, when the safety tongue 21 is compressed, the separating toggle plate 41 is driven to rotate by overcoming the elastic acting force of the separating toggle plate spring 42, the separating toggle plate 41 and the connecting plate 53 are not abutted to each other, and at this time, the lateral stop 51 on the connecting plate 53 is abutted to the side edge of the latch positioning block 32 under the elastic acting force of the stop spring 52, and is located above the second abutting groove 321. After the door is closed, that is, after the lock tongue 31 is reset and inserted into the lock hole, the second abutting groove 321 also extends and abuts against the lateral stopper 51, so that the recovery of the lock tongue 31 is limited, and the lock tongue 31 is locked.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a lock body that automatic was locked of closing door which characterized in that dials board subassembly (4), insurance tongue subassembly (2) and spring bolt subassembly (3) including lock shell (1), driving plate subassembly (5), separation, wherein:

the separating and poking plate component (4) comprises a separating and poking plate (41);

the transmission plate assembly (5) comprises a lateral stop (51) and a stop spring (52);

when the door is closed, the safety tongue component (2) is compressed and recovered, and drives the separation shifting plate (41) to rotate; the lateral block (51) locks the bolt assembly (3) under the elastic action of the block spring (52), so that the bolt assembly (3) is locked.

2. A lock body according to claim 1, characterized in that the safety catch assembly (2) comprises a safety catch (21), a safety catch positioning block (22) and a safety catch return spring (23), wherein:

the safety tongue (21) is connected with a safety tongue positioning block (22);

the safety tongue (21) extends out of the lock shell (1) all the time under the elastic acting force of the safety tongue return spring (23);

the safety tongue positioning block (22) is provided with a first abutting groove (221).

3. A lock body according to claim 1, characterized in that the throw-away plate assembly (4) further comprises a throw-away plate spring (42), one end of the throw-away plate spring (42) being connected to the throw-away plate (41) and the other end being connected to the lock case (1).

4. A lock body according to claim 3, characterized in that the divided striking plate spring (42) comprises a striking plate spring body (421), a first protruding end (422) and a second protruding end (423), wherein:

the shifting plate spring body (421) and the first extending end (422) are connected to the separating shifting plate (41); the second protruding end (423) is connected with the lock shell (1).

5. A lock body according to claim 3, characterized in that the driving plate assembly (5) further comprises a connecting plate (53), the lateral stop (51) being arranged on the connecting plate (53), the connecting plate (53) being provided with a first bend (531).

6. A lock body according to claim 5, characterized in that a mounting slot (511) is provided in the lateral stop (51), and that the end of the web (53) is provided with a second bend (532) which can be inserted into the mounting slot (511).

7. A lock body according to claim 1, characterized in that the locking bolt assembly (3) comprises a locking bolt (31), the width of the locking bolt (31) being larger than the width of the safety bolt (21).

8. A lock body according to claim 7, characterized in that the bolt assembly (3) further comprises a bolt positioning block (32) and a bolt return spring (33), wherein:

the lock tongue (31) is connected with the lock tongue positioning block (32);

the lock bolt (31) always extends out of the lock shell (1) under the elastic acting force of the lock bolt return spring (33);

and a second abutting groove (321) is formed in the bolt positioning block (32).

9. A lock body according to claim 8, characterized in that the blocker spring (52) comprises a blocker spring body (521), a third protruding end (522) and a fourth protruding end (523), wherein:

the stop spring body (521) and the fourth protruding end (523) are connected to the lock shell (1), and the third protruding end (522) is connected to the lateral stop (51).

10. A lock body according to claim 1, characterized in that the bolt (31) is a two-way flip-bolt.