CN219138698U

CN219138698U - Antitheft lock assembly of antitheft door

Info

Publication number: CN219138698U
Application number: CN202223016248.6U
Authority: CN
Inventors: 常永亮
Original assignee: Zhejiang Avis Security Technology Co ltd
Current assignee: Zhejiang Avis Security Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-06
Anticipated expiration: 2032-11-10

Abstract

The utility model provides an anti-theft lock assembly of an anti-theft door, and belongs to the technical field of anti-theft door locks. The lock solves the problems of complex transmission mechanism and poor mechanical property of the existing lock body. The anti-theft lock assembly comprises a shell with a cavity inside, wherein the side part of the shell is provided with a main lock tongue assembly, an auxiliary lock tongue assembly and a transmission assembly in a telescopic manner; the center of the shell is provided with a mounting opening for security lock core, and the mounting opening is rotationally provided with a driving tooth sleeve with a first tooth body on the outer ring; the main lock tongue assembly comprises a first limit piece fixedly arranged on the shell and provided with a limit hole, a main lock tongue rod transversely arranged in the limit hole in a sliding manner, a main lock tongue piece arranged at the front end of the main lock tongue rod, a second limit piece and a third limit piece fixedly arranged at the tail end of the main lock tongue body. Compared with the prior art, the internal transmission structure of the anti-theft lock component has good mechanical property and high transmission benefit, and is very suitable for household anti-theft locks.

Description

Antitheft lock assembly of antitheft door

Technical Field

The utility model belongs to the technical field of anti-theft door locks, and relates to an anti-theft lock assembly of an anti-theft door.

Background

The lock body is one of the lock components, is generally used on the anti-theft door, is responsible for basic anti-theft work of the anti-theft door, the lock core controls the lock body to operate, and the lock body is responsible for unlocking and locking doors and windows and plays an important role in anti-theft. In the prior art, most lock body structures in the market have the phenomena of complex transmission and short service life of a linkage mechanism, and the reliability of transmission is poor.

Disclosure of Invention

The utility model aims at solving the problems of complex transmission mechanism and poor mechanical property of the existing lock body and provides an anti-theft lock assembly of an anti-theft door.

The aim of the utility model can be achieved by the following technical scheme:

an antitheft lock assembly of an antitheft door, characterized in that: the telescopic lock comprises a shell with a cavity inside, wherein the side part of the shell is provided with a main lock tongue assembly, an auxiliary lock tongue assembly and a transmission assembly in a telescopic manner; the center of the shell is provided with a mounting opening for security lock core, and the mounting opening is rotationally provided with a driving tooth sleeve with a first tooth body on the outer ring; the main lock tongue assembly comprises a first limit piece fixedly arranged on the shell and provided with a limit hole, a main lock tongue rod transversely arranged in the limit hole in a sliding manner, a main lock tongue piece arranged at the front end of the main lock tongue rod, a second limit piece and a third limit piece fixedly arranged at the tail end of the main lock tongue body; the auxiliary lock tongue assembly comprises a shaft body fixedly arranged on the shell, an auxiliary lock tongue piece provided with a sliding hole and transversely arranged on the shaft body in a sliding way through the sliding hole, an auxiliary lock tongue piece arranged at the front end of the auxiliary lock tongue piece, and a linkage piece rotatably arranged on the shaft body, wherein the auxiliary lock tongue piece is provided with a first guide groove, and the linkage piece is provided with a first guide pin embedded in the first guide groove; the secondary latch bolt assembly and the secondary latch bolt assembly transfer motion through the transmission assembly.

In the anti-theft lock assembly of the anti-theft door, the transmission assembly comprises a driving piece, a counter shaft, a pair of auxiliary moving pieces, an upper transmission shaft, a lower transmission shaft, a straight swinging piece, a connecting rod, a second tooth body, a second guide groove, a second guide pin, a first guide outer arc and a second guide outer arc, wherein the driving piece is arranged on the shaft body in a rotating mode, the counter shaft is fixedly arranged on the housing, the auxiliary moving pieces are arranged on the counter shaft in a rotating mode, the upper transmission shaft and the lower transmission shaft are fixedly arranged on the housing, the straight swinging piece is arranged on the upper transmission shaft in a rotating mode, the connecting rod is arranged on one end portion of the straight swinging piece and one end portion of the L-shaped swinging piece in a rotating mode, the two ends of the connecting rod are respectively arranged on one end portion of the straight swinging piece and one end portion of the L-shaped swinging piece in a rotating mode, the outer ring of the driving piece is provided with the second tooth body meshed with the first tooth body, the second guide pin is embedded in the second guide groove is arranged on the second guide groove, the outer ring of the auxiliary moving piece is provided with the first guide outer arc and the second guide outer arc is arranged on the second guide pin, the outer ring of the auxiliary moving piece is arranged on the second guide outer arc, the third guide pin is clamped in the first guide outer arc, and the third guide pin is arranged between the second limit piece and the third limit piece.

In the anti-theft lock assembly of the anti-theft door, the anti-theft lock assembly further comprises a top-bottom hook assembly, the top-bottom hook assembly comprises two vertically opposite plate bodies, the outer end parts of the plate bodies are provided with hook bodies, the plate bodies are provided with oblique guide grooves, and the auxiliary lock tongues are provided with oblique guide pins embedded in the oblique guide grooves.

In the anti-theft lock assembly of the anti-theft door, the shell is provided with the oil blocking port.

In the above anti-theft lock assembly for an anti-theft door, the housing is square.

Compared with the prior art, the internal transmission structure of the anti-theft lock component has good mechanical property and high transmission benefit, and is very suitable for household anti-theft locks.

Drawings

FIG. 1 is a schematic view of the construction of the present anti-theft lock assembly;

FIG. 2 is a schematic view of the anti-theft lock assembly after removing a side housing and in an unlocked state of a secondary bolt;

FIG. 3 is a schematic view of the anti-theft lock assembly after removing one side of the housing and in a locked state of the auxiliary bolt;

FIG. 4 is a schematic view of the anti-theft lock assembly after removing one side of the housing and concealing the driving plate and the linking plate;

in the figure, 1, a shell; 2. a mounting port; 3. driving the tooth sleeve; 4. a first limiting piece; 5. the second limiting piece; 6. the third limiting piece; 7. a main tongue bar; 8. a main tongue member; 9. a shaft body; 10. a secondary striking plate; 11. an auxiliary bolt member; 12. a connecting piece; 13. a first guide groove; 14. a driving plate; 15. an auxiliary moving plate; 16. a straight swing piece; 17. l-shaped swing piece; 18. a connecting rod; 19. a second guide groove; 20. a first leading outer arc; 21. a second leading outer arc; 22. a plate body; 23. a hook body; 24. a slant guide groove; 25. and (5) an oil hole is reserved.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 3, the anti-theft lock assembly of the anti-theft door comprises a shell 1 with a cavity inside, wherein the side part of the shell 1 is provided with a main lock tongue assembly, an auxiliary lock tongue assembly and a transmission assembly in a telescopic manner; the center of the shell 1 is provided with a mounting opening 2 for security lock cores, and a driving tooth sleeve 3 with a first tooth body on the outer ring is rotationally arranged at the mounting opening 2.

The main lock tongue component comprises a first limiting piece 4 fixedly arranged on the shell 1 and provided with a limiting hole, a main lock tongue rod 7 transversely arranged in the limiting hole in a sliding mode, a main lock tongue piece 8 arranged at the front end of the main lock tongue rod 7, a second limiting piece 5 fixedly arranged at the tail end of the main lock tongue body and a third limiting piece 6.

The auxiliary lock tongue assembly comprises a shaft body 9 fixedly arranged on the shell 1, an auxiliary lock tongue piece 10 provided with a sliding hole and transversely arranged on the shaft body 9 in a sliding way through the sliding hole, an auxiliary lock tongue piece 11 arranged at the front end of the auxiliary lock tongue piece 10, and a linkage piece 12 rotatably arranged on the shaft body 9, wherein a first guide groove 13 is formed in the auxiliary lock tongue piece 10, and a first guide pin embedded in the first guide groove 13 is arranged on the linkage piece 12.

The secondary latch bolt assembly and the secondary latch bolt assembly transfer motion through the transmission assembly.

It can be seen that the extension and retraction of the main bolt member 8 is accomplished by the lateral movement of the main bolt lever 7, the extension and retraction of the auxiliary bolt member 11 is accomplished by the lateral movement of the auxiliary bolt member 10, and the movement of the auxiliary bolt member 10 is accomplished by the movement of the first guide pin driving the change of position of the first guide groove 13.

As shown in fig. 2 to 4, the transmission assembly includes a driving piece 14 rotatably disposed on the shaft body 9, a counter shaft fixedly disposed on the housing 1, a counter moving piece 15 rotatably disposed on the counter shaft, an upper transmission shaft and a lower transmission shaft fixedly disposed on the housing 1, a straight swinging piece 16 rotatably disposed on the upper transmission shaft, an L-shaped swinging piece 17 rotatably disposed on the lower transmission shaft, a connecting rod 18 whose both ends are rotatably disposed on one end of the straight swinging piece 16 and one end of the L-shaped swinging piece 17, respectively, a second tooth body engaged with the first tooth body is disposed on an outer ring of the driving piece 14, a second guide groove 19 is provided on the driving piece 14, a second guide pin embedded in the second guide groove 19 is disposed on the connecting piece 12, a first guide outer arc 20 and a second guide outer arc 21 are disposed on an outer ring of the counter moving piece 15, a third guide pin engaged in the first guide outer arc 20 is disposed on the straight swinging piece 16, a fourth guide pin engaged in the second guide outer arc 21 is disposed on the other end of the L-shaped swinging piece 17, and the third guide pin 5 engaged between the third guide pin and the third limit piece 6 is disposed on the outer arc 21.

The lock core is arranged in the mounting port 2, and the lock core is used for driving the driving gear sleeve 3 to rotate through the key, and the driving gear sleeve 3 firstly drives the driving piece 14 to rotate after rotating and then is powered by the driving piece 14. When power is required to be transmitted to the main latch assembly: the power is transmitted to the auxiliary moving plate 15 through the third guide pin, the auxiliary moving plate 15 rotates and then drives the straight swinging plate 16 through the fourth guide pin, meanwhile, the parallelogram structure formed between the straight swinging plate 16, the L-shaped swinging plate 17 and the connecting rod 18 enables the L-shaped swinging plate 17 to swing, and because part of the L-shaped swinging plate 17 is arranged between the second limiting plate 5 and the third limiting plate 6, the L-shaped swinging plate 17 drives the main bolt rod 7 to move in the swinging process, and the transmission process of the main bolt rod 7 is completed. When power is required to be transmitted to the auxiliary bolt assembly: the second guide groove 19 on the driving piece 12 and the driving piece 14 are matched with the second guide pin, so that the driving piece 14 is driven to rotate in the rotating process of the driving piece 12, and then the auxiliary striking piece 10 is driven to move back and forth through the matched action of the first guide groove 13 on the driving piece 12 and the auxiliary striking piece 10 and the first guide pin.

As shown in fig. 2 and 3, the anti-theft lock assembly further comprises a top-bottom hook assembly, the top-bottom hook assembly comprises two vertically opposite plate bodies 22, the outer end parts of the plate bodies 22 are provided with hook bodies 23, the plate bodies 22 are provided with oblique guide grooves 24, and the auxiliary lock tongue pieces 10 are provided with oblique guide pins embedded in the oblique guide grooves 24.

An oil holding port 25 is formed in the shell 1, so that lubricating oil can be conveniently added. The shape of the shell 1 is square, so that the processing and the manufacturing are convenient.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. An antitheft lock assembly of an antitheft door, characterized in that: the telescopic lock comprises a shell (1) with a cavity inside, wherein a main lock tongue component, an auxiliary lock tongue component and a transmission component are arranged on the side part of the shell (1) in a telescopic manner; the center of the shell (1) is provided with a mounting opening (2) for security lock core, and a driving tooth sleeve (3) with a first tooth body on the outer ring is rotationally arranged at the mounting opening (2); the main lock tongue assembly comprises a first limiting piece (4) fixedly arranged on the shell (1) and provided with a limiting hole, a main lock tongue rod (7) transversely arranged in the limiting hole in a sliding mode, a main lock tongue piece (8) arranged at the front end of the main lock tongue rod (7), a second limiting piece (5) and a third limiting piece (6) fixedly arranged at the tail end of the main lock tongue body; the auxiliary lock tongue assembly comprises a shaft body (9) fixedly arranged on the shell (1), an auxiliary lock tongue piece (10) provided with a sliding hole and transversely arranged on the shaft body (9) in a sliding way through the sliding hole, an auxiliary lock tongue piece (11) arranged at the front end of the auxiliary lock tongue piece (10), a linkage piece (12) rotatably arranged on the shaft body (9), a first guide groove (13) is formed in the auxiliary lock tongue piece (10), and a first guide pin embedded in the first guide groove (13) is arranged on the linkage piece (12); the secondary latch bolt assembly and the secondary latch bolt assembly transfer motion through the transmission assembly.

2. The antitheft lock assembly of an antitheft door of claim 1, wherein: the transmission assembly comprises a driving piece (14) which is arranged on a shaft body (9), a countershaft which is fixedly arranged on a shell (1), a secondary moving piece (15) which is arranged on the countershaft in a rotating mode, an upper transmission shaft and a lower transmission shaft which are fixedly arranged on the shell (1), a straight swinging piece (16) which is arranged on the upper transmission shaft in a rotating mode, an L-shaped swinging piece (17) which is arranged on the lower transmission shaft in a rotating mode, a connecting rod (18) which is arranged on one end portion of the straight swinging piece (16) and one end portion of the L-shaped swinging piece (17) in a rotating mode at two ends respectively, a second tooth body which is meshed with the first tooth body is arranged on the outer ring of the driving piece (14), a second guide groove (19) is formed in the driving piece (14), a second guide pin which is embedded in the second guide groove (19) is formed in the driving piece (12), a first guide outer arc (20) and a second guide outer arc (21) are arranged on the outer ring of the secondary moving piece (15), a third guide pin (16) which is clamped in the first guide outer arc (20) is arranged, and a third guide pin (16) which is clamped in the first guide arc (20) is arranged on the outer ring of the secondary moving piece, and the second guide pin (21) is positioned between the second guide pin and the third guide pin (5) and the second guide pin (3) which is positioned at the other end portion of the second guide arc (6).

3. An anti-theft lock assembly for an anti-theft door according to claim 1 or 2, characterized in that: the anti-theft lock assembly also comprises a top-bottom hook assembly, the top-bottom hook assembly comprises two vertically opposite plate bodies (22), the outer end parts of the plate bodies (22) are provided with hook bodies (23) (23), the plate bodies (22) are provided with oblique guide grooves (24), and the auxiliary lock tongue piece (10) is provided with oblique guide pins embedded in the oblique guide grooves (24).

4. An anti-theft lock assembly for an anti-theft door according to claim 1 or 2, characterized in that: an oil holding port (25) is formed in the shell (1).

5. An anti-theft lock assembly for an anti-theft door according to claim 1 or 2, characterized in that: the shell (1) is square.