Anti-theft door lock body capable of automatically locking door

Abstract

The utility model provides an anti-theft door lock body capable of automatically locking a door, which relates to the technical field of anti-theft door lock bodies and comprises a side plate, a lock shell is mounted at one end of the side plate, a copper latch bolt main body is arranged in the side plate, and a copper latch bolt shaft is mounted at one end, positioned in the lock shell, of the copper latch bolt main body. An iron sheet is installed at the end, away from the copper latch bolt body, of the copper latch bolt shaft, and a first rotating sheet is rotationally connected into the lock shell. When a door is locked, the copper latch bolt body can automatically enter a lock body after touching a door frame, meanwhile, the rear end of the copper latch bolt shaft can abut against the L-shaped first rotating piece to axially rotate, the first rivet is driven, the door locking connecting piece is driven to slide upwards, and the hook on the lower side of the door locking connecting piece can hook the third rivet on the second rotating piece to rotate upwards. And when the second rotating sheet rotates to a certain position, the second rotating sheet pops out under the elastic force of the spring. When the door is locked, the door locking connecting piece can be separated from the third rivet, the copper latch bolt body can automatically pop out, and the door locking effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of anti-theft door lock body technology, and in particular to an anti-theft door lock body that can automatically lock the door. Background Technology

[0002] With changes in the social security environment and increased awareness of security, traditional locks that require manual operation pose security risks such as forgetting to lock or not locking properly, and cannot fully meet the needs. Automatic locks on security doors can automatically lock after the door is closed, effectively preventing situations where the door is not locked due to negligence, and providing more reliable security for homes, offices, and other places.

[0003] Currently, one type of automatic locking lock for security doors, whether intelligent or mechanical, requires lifting the handle after the door is closed to allow the bolt to emerge and lock. If the handle is not lifted or the key is not reversed, the bolt will not lock automatically. There is a risk of it being opened with a brush, and existing automatic locks require significant force to open, making them quite laborious. Utility Model Content

[0004] The purpose of this invention is to solve the problems of existing smart lock bodies and mechanical lock bodies, where the bolt must be lifted after the door is closed to engage the lock. If the handle is not lifted or the key is not reversed, the bolt cannot engage automatically. There is a risk of the bolt being opened by a brush, and existing automatic lock bodies require significant force to open. Therefore, this invention proposes a security door lock body that can automatically lock the door.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an anti-theft door lock body capable of automatic locking, comprising a side plate, a lock shell installed at one end of the side plate, a copper latch body inside the side plate, a copper latch shaft installed at one end of the copper latch body located inside the lock shell, an iron plate installed at the end of the copper latch shaft away from the copper latch body, a first rotating plate rotatably connected inside the lock shell, a door locking connecting plate rotatably placed at one end of the first rotating plate via a first rivet, a spring installed inside the lock shell, one end of the spring being fixed to the door locking connecting plate, a second rotating plate installed inside the lock shell, a first connecting plate installed at one end of the second rotating plate, a main lock tongue installed at one end of the first connecting plate, a third rivet installed at the top of the second rotating plate, the outer wall of the third rivet abutting against the door locking connecting plate.

[0006] Preferably, one end of the first rotating plate abuts against the iron plate.

[0007] Preferably, the second rotating plate is located below the lock door connecting plate, and the side plate has a mounting hole.

[0008] Preferably, a first connecting post is fixed inside the lock housing, and two second connecting plates are rotatably connected to the outer wall of the first connecting post.

[0009] Preferably, each of the two second connecting pieces is provided with a limiting post, one end of which is fixed to the lock housing.

[0010] Preferably, the second connecting piece is disposed above the first connecting piece.

[0011] Preferably, the lock housing contains a triangular plate body, and a second rivet is installed at the top of the triangular plate body, with the outer wall of the second rivet abutting against the lock door connecting piece.

[0012] Preferably, a triangular plate central support is installed inside the lock housing, and the triangular plate body and the triangular plate central support are installed together.

[0013] Preferably, a locking tongue mechanism is installed inside the lock housing, a safety tongue is installed at the output end of the locking tongue mechanism, and an opening matching the safety tongue is provided in the side plate.

[0014] Preferably, the lock housing has bolt holes, a first mating plate is fixed to one end of the side plate, a second mating plate is fixed to one side of the first mating plate, both the first and second mating plates have mating holes, and a mounting plate is fixed to one end of the lock housing.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] In this invention, to open the door, turning the outer handle causes the inner square shaft of the handle to rotate the central support of the triangular plate, which in turn rotates the main body of the triangular plate. The upper end of the triangular plate pulls the iron plate behind the copper latch body backward until the front end of the copper latch body is flush with the outside of the side plate. Simultaneously, this rotates the first connecting post, the second connecting piece, and the limiting post, causing the first connecting piece and the main latch to slide into the lock body. At the same time, it causes the second rotating piece to move axially. When it reaches a certain position, it automatically springs back to the bottom of the lock body under the force of the second spring. When the triangular plate body rotates to a certain position, the second rivet lifts the lock door connecting piece, causing the hook below the lock door connecting piece to change position and not hook the third rivet when moving upward. At this point, both the copper latch body and the front end of the main latch are inside the lock body and on the same plane as the side plate, completing the unlocking process. Releasing the handle at this point causes the copper latch body to automatically pop outward, while the main latch remains stationary inside the lock body. When the handle is pressed down, the main body of the copper latch will enter the lock body, while the other components remain stationary. When locking the door, the main body of the copper latch will automatically enter the lock body after touching the door frame. Simultaneously, the rear end of the copper latch shaft will push against the L-shaped first rotating plate and rotate axially, driving the first rivet and causing the lock door connecting plate to slide upward. The hook under the lock door connecting plate will hook the third rivet on the second rotating plate and rotate upward. When the second rotating plate reaches a certain position, it will pop outward under the spring force. The lock door connecting plate will separate from the third rivet, and the main body of the copper latch will automatically pop outward. At this time, the main body of the copper latch extends 15mm beyond the side plate, and the main latch extends 25mm beyond the side plate. External force cannot push it in. This forms a lock, thus solving the problem of not needing to lift the handle upward or reverse the key to lock after closing the door, making life more convenient. Attached Figure Description

[0017] Figure 1 This utility model provides a schematic diagram of the unlocking structure of an anti-theft door lock body that can automatically lock;

[0018] Figure 2 This utility model presents a schematic diagram of the locking structure of an anti-theft door lock body that can automatically lock the door.

[0019] Legend: 1. Side plate; 2. Mounting plate; 3. First mating plate; 4. Butt hole; 6. Copper beveled tongue shaft; 7. Copper beveled tongue body; 10. Iron sheet; 11. Second mating plate; 13. First connecting post; 14. First connecting piece; 15. Main bolt; 17. Limiting post; 18. Mounting hole; 20. Safety tongue; 22. Bolt mechanism; 24. Lock case; 28. First rotating piece; 29. ​​First rivet; 30. Triangle plate body; 31. Triangle plate center support; 32. Second rivet; 33. Second connecting piece; 34. Spring; 36. Second rotating piece; 37. Lock door connecting piece; 41. Third rivet; 42. Bolt hole. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1, as Figure 1-2 As shown, this utility model provides an anti-theft door lock body that can automatically lock the door, including a side plate 1, a lock shell 24 installed at one end of the side plate 1, a copper latch body 7 provided inside the side plate 1, a copper latch shaft 6 installed at one end of the copper latch body 7 located inside the lock shell 24, an iron piece 10 installed at the end of the copper latch shaft 6 away from the copper latch body 7, a first rotating plate 28 rotatably connected inside the lock shell 24, a door locking connecting piece 37 rotatably placed at one end of the first rotating plate 28 via a first rivet 29, a spring 34 installed inside the lock shell 24, one end of the spring 34 fixed to the door locking connecting piece 37, a second rotating plate 36 installed inside the lock shell 24, a first connecting piece 14 installed at one end of the second rotating plate 36, a main lock tongue 15 installed at one end of the first connecting piece 14, a third rivet 41 installed at the top of the second rotating plate 36, and the outer wall of the third rivet 41 abutting against the door locking connecting piece 37.

[0023] The overall effect of Embodiment 1 is as follows: When opening the door, turning the outer handle causes the inner square shaft of the handle to rotate the central support 31 of the triangular plate, which in turn rotates the main body 30 of the triangular plate. The upper end of the main body 30 of the triangular plate pulls the iron plate 10 behind the copper latch body 7 backward until the front end of the copper latch body 7 is level with the outside of the side plate 1. At the same time, it drives the first connecting post 13, the second connecting piece 33, the limiting post 17, and the first connecting piece 14 and the main lock tongue 15 to slide into the lock body. Simultaneously, it drives the second rotating piece 36 to move axially. When it moves to a certain position, it automatically springs back to the bottom of the lock body under the elastic force of the second spring 34. When the main body 30 of the triangular plate rotates to a certain position, the second rivet 32 ​​will lift the lock door connecting piece 37, causing the hook under the lock door connecting piece 37 to change position and not hook the third rivet 41 when it moves upward. At this point, the copper latch body 7 and the front end of the main latch 15 have both entered the lock body and are on the same plane as the side plate 1, completing the unlocking process. Releasing the handle at this time will cause the copper latch body 7 to automatically pop outwards, while the main latch 15 remains stationary inside the lock body. Pressing the handle downwards will cause the copper latch body 7 to enter the lock body, while other components remain stationary. When locking the door, the copper latch body 7 will automatically enter the lock body after hitting the door frame. Simultaneously, the rear end of the copper latch shaft 6 will push against the axial rotation of the first L-shaped rotating piece 28, causing the first rivet 29 to drive the door locking connecting piece 37 to slide upwards. The hook below the door locking connecting piece 37 will hook onto the third rivet 41 on the second rotating piece 36 and rotate upwards. When the second rotating piece 36 reaches a certain position, it will pop outwards under the force of the spring 34. The door locking connecting piece 37 will separate from the third rivet 41, and the copper latch body 7 will automatically pop outwards. At this point, the copper latch body 7 extends 15 mm beyond the side plate 1, and the main latch extends 25 mm beyond the side plate. External force cannot push it in. This forms a lock, thus solving the problem of not needing to lift the handle or reverse the key to lock the door after closing, making life more convenient.

[0024] Example 2, as Figure 1-2As shown, one end of the first rotating plate 28 abuts against the iron plate 10. The second rotating plate 36 is located below the lock door connecting plate 37. An installation hole 18 is provided in the side plate 1. A first connecting post 13 is fixed inside the lock housing 24. Two second connecting plates 33 are rotatably connected to the outer wall of the first connecting post 13. Each of the two second connecting plates 33 is provided with a limiting post 17. One end of the limiting post 17 is fixed to the lock housing 24. The second connecting plate 33 is located above the first connecting plate 14. A triangular plate body 30 is provided inside the lock housing 24. A second rivet 32 ​​is installed at the top of the triangular plate body 30. The outer side of the second rivet 32... The wall abuts against the locking door connecting piece 37. A triangular plate center bracket 31 is installed inside the lock housing 24. The triangular plate body 30 and the triangular plate center bracket 31 are installed together. A locking tongue mechanism 22 is installed inside the lock housing 24. A safety tongue 20 is installed at the output end of the locking tongue mechanism 22. An opening matching the safety tongue 20 is opened in the side plate 1. A bolt hole 42 is opened in the lock housing 24. A first docking plate 3 is fixed to one end of the side plate 1. A second docking plate 11 is fixed to one side of the first docking plate 3. Both the first docking plate 3 and the second docking plate 11 have docking holes 4. An mounting plate 2 is fixed to one end of the lock housing 24.

[0025] The overall effect of embodiment 2 is that the first mating plate 3, the second mating plate 11 and the mating hole 4 facilitate the installation of the top cover of the lock shell 24; the bolt hole 42 and the cooperation of the mounting plate 2 facilitate the overall installation of the device on the door; the second rivet 32 ​​can limit the position of the lock door connecting piece 37; and the triangular plate center bracket 31 is used to install the triangular plate body 30.

[0026] Working principle: When using this device, to open the door, turn the outer handle. The inner square shaft of the handle will drive the central support 31 of the triangular plate to rotate, which in turn drives the main body 30 of the triangular plate. The upper end of the main body 30 of the triangular plate will pull the iron plate 10 behind the copper latch body 7 backward until the front end of the copper latch body 7 is flat with the outside of the side plate 1. At the same time, it drives the first connecting post 13, the second connecting piece 33, the limiting post 17, and the first connecting piece 14 and the main lock tongue 15 to slide into the lock body. Simultaneously, it drives the second rotating piece 36 to move axially. When it moves to a certain position, it will automatically spring back to the bottom of the lock body under the elastic force of the second spring 34. When the main body 30 of the triangular plate rotates to a certain position, the second rivet 32 ​​will push up the lock door connecting piece 37, causing the hook under the lock door connecting piece 37 to change position. When it moves upward, it cannot hook the third rivet 41. At this point, the copper latch body 7 and the front end of the main latch 15 have both entered the lock body and are on the same plane as the side plate 1, completing the unlocking process. Releasing the handle at this time will cause the copper latch body 7 to automatically pop outwards, while the main latch 15 remains stationary inside the lock body. Pressing the handle downwards will cause the copper latch body 7 to enter the lock body, while other components remain stationary. When locking the door, the copper latch body 7 will automatically enter the lock body after hitting the door frame. Simultaneously, the rear end of the copper latch shaft 6 will push against the axial rotation of the first L-shaped rotating piece 28, causing the first rivet 29 to drive the door locking connecting piece 37 to slide upwards. The hook below the door locking connecting piece 37 will hook onto the third rivet 41 on the second rotating piece 36 and rotate upwards. When the second rotating piece 36 reaches a certain position, it will pop outwards under the force of the spring 34. The door locking connecting piece 37 will separate from the third rivet 41, and the copper latch body 7 will automatically pop outwards. At this point, the copper latch body 7 extends 15 mm beyond the side plate 1, and the main latch extends 25 mm beyond the side plate. External force cannot push it in. This forms a lock, thus solving the problem of not needing to lift the handle or reverse the key to lock the door after closing, making life more convenient.

[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A theftproof door lock body capable of automatically locking a door, comprising a side plate (1), characterized in that: A lock case (24) is installed at one end of the side plate (1). A copper latch body (7) is provided inside the side plate (1). A copper latch shaft (6) is installed at one end of the copper latch body (7) inside the lock case (24). An iron piece (10) is installed at the end of the copper latch shaft (6) away from the copper latch body (7). A first rotating piece (28) is rotatably connected inside the lock case (24). A lock door connecting piece (37) is rotatably placed at one end of the first rotating piece (28) through a first rivet (29). A spring (34) is installed inside the lock housing (24). One end of the spring (34) is fixed to the lock door connecting piece (37). A second rotating piece (36) is installed inside the lock housing (24). A first connecting piece (14) is installed at one end of the second rotating piece (36). A main lock tongue (15) is installed at one end of the first connecting piece (14). A third rivet (41) is installed at the top of the second rotating piece (36). The outer wall of the third rivet (41) abuts against the lock door connecting piece (37).

2. The theftproof door lock body capable of automatically locking a door according to claim 1, wherein: One end of the first rotating plate (28) abuts against the iron plate (10).

3. The security door lock body capable of automatically locking the door according to claim 1, characterized in that: The second rotating plate (36) is located below the lock door connecting plate (37), and the side plate (1) has an installation hole (18).

4. The security door lock body capable of automatically locking the door according to claim 1, characterized in that: The lock housing (24) has a first connecting post (13) fixed inside, and two second connecting pieces (33) are rotatably connected to the outer wall of the first connecting post (13).

5. The security door lock body capable of automatically locking the door according to claim 4, characterized in that: Each of the two second connecting pieces (33) is provided with a limiting post (17), one end of which is fixed to the lock shell (24).

6. A security door lock body capable of automatic locking according to claim 4, characterized in that: The second connecting piece (33) is located above the first connecting piece (14).

7. The security door lock body capable of automatically locking the door according to claim 1, characterized in that: The lock housing (24) is provided with a triangular plate body (30), and a second rivet (32) is installed at the top of the triangular plate body (30). The outer wall of the second rivet (32) abuts against the lock door connecting piece (37).

8. The security door lock body capable of automatically locking the door according to claim 7, characterized in that: The lock housing (24) is equipped with a triangular plate center bracket (31), and the triangular plate body (30) and the triangular plate center bracket (31) are installed together.

9. The security door lock body capable of automatically locking the door according to claim 1, characterized in that: The lock housing (24) is equipped with a locking tongue mechanism (22), and a safety tongue (20) is installed at the output end of the locking tongue mechanism (22). An opening matching the safety tongue (20) is provided in the side plate (1).

10. A security door lock body capable of automatic locking according to claim 1, characterized in that: The lock housing (24) has bolt holes (42) inside. One end of the side plate (1) is fixed with a first docking plate (3). One side of the first docking plate (3) is fixed with a second docking plate (11). Both the first docking plate (3) and the second docking plate (11) have docking holes (4). One end of the lock housing (24) is fixed with an mounting plate (2).

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