CN214246953U

CN214246953U - Lock body

Info

Publication number: CN214246953U
Application number: CN202022243912.5U
Authority: CN
Inventors: 胡利恒
Original assignee: Zhong Shan Olang Metal Products Co ltd
Current assignee: Guangdong Oulang Security Technology Co.,Ltd.
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-09-21
Anticipated expiration: 2030-10-10

Abstract

An embodiment of the utility model provides a lock body, including installation casing, oblique tongue subassembly, touch tongue subassembly and prevent inserting the subassembly. The latch bolt component is telescopically arranged on the mounting shell; the touch tongue component is telescopically arranged in the mounting shell and has an extending state and a retracting state; the anti-insertion assembly comprises an anti-insertion piece and a connecting piece, the anti-insertion piece is arranged on the installation shell, the connecting piece is connected between the anti-insertion piece and the touch tongue assembly, the touch tongue assembly is in a retraction state, the anti-insertion piece is abutted against the oblique tongue assembly, the touch tongue assembly is in an extension state, and the anti-insertion piece is separated from the oblique tongue assembly. The utility model provides a lock body, including installation casing, oblique tongue subassembly, touch the tongue subassembly and prevent inserting the subassembly, touch the tongue subassembly and have the state of stretching out and withdrawal state, when touching the tongue subassembly and be in the withdrawal state, prevent that plug-in components and oblique tongue subassembly offset, realized that the lock of oblique tongue subassembly dies, can prevent that other people from unblanking through other means after the lock door, promoted the security performance of lock body.

Description

Lock body

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a lock body.

Background

The lockset is an indispensable part in people's life, is mostly used for burglary-resisting doors or safe deposit boxes and the like, and along with the continuous development of intelligent lockset technical field, the lockset develops towards the direction of intellectuality, and the application of lockset is also more and more extensive. When the existing lockset is used, the anti-lock button needs to be manually stirred to realize the anti-lock, so that the situation that the anti-lock is forgotten after the door is closed can often occur, and a great deal of inconvenience is brought to the life of people. Therefore, lawless persons can unlock the lock by pulling the lock tongue, and the lawless persons enter the room to steal, and the like, so that property loss is caused to users. Therefore, the safety of the lock needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a lock body to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

An embodiment of the utility model provides a lock body, including installation casing, oblique tongue subassembly, touch tongue subassembly and prevent inserting the subassembly. The latch bolt component is telescopically arranged on the mounting shell; the touch tongue component is telescopically arranged on the mounting shell; the anti-insertion assembly comprises an anti-insertion piece and a connecting piece, the anti-insertion piece is arranged on the installation shell, the connecting piece is connected between the anti-insertion piece and the touch tongue assembly, the touch tongue assembly is in a retraction state, the anti-insertion piece is abutted against the oblique tongue assembly, the touch tongue assembly is in an extension state, and the anti-insertion piece is separated from the oblique tongue assembly.

In one embodiment, the connecting member includes a first connecting end and a second connecting end that are opposite to each other, the first connecting end is rotatably connected to the anti-plug member, and the second connecting end is connected to the touch tongue assembly.

In one embodiment, the anti-plug includes a main body portion rotatably mounted to the mounting housing, a connecting portion connected between the main body portion and the abutting end portion, and an abutting end portion provided with a mounting post rotatably connected to the first connecting end, the abutting end portion selectively being in a first position and abutting against the latch assembly or in a second position and being separated from the latch assembly.

In one embodiment, the first connection end is provided with a first through hole, the mounting post is arranged through the first through hole, and the first through hole is a kidney-shaped hole.

In one embodiment, the second connecting end is provided with a second through hole, the touch tongue assembly is provided with a connecting column, the connecting column penetrates through the second through hole, and the second through hole is a kidney-shaped hole.

In an embodiment, prevent that the plug-in components still includes the fixed column, and the fixed column sets firmly in the installation casing, and the main part is rotationally installed in the fixed column, prevents that the plug-in components still includes the piece that resets, resets and connects in the fixed column, and the piece that resets provides and supports the effort that rotates to the first position from the second position by the tip.

In an embodiment, prevent that plug-in components still includes unblock plectrum and fork assembly, fork assembly rotationally installs in the installation casing, and fork assembly is connected with the transmission of unblock plectrum, and the unblock plectrum supports with preventing that the plug-in components supports and leans on, and fork assembly's rotation drives the unblock plectrum and rotates, and the rotation of unblock plectrum drives prevents plug-in components and oblique tongue subassembly separation.

In one embodiment, the latch bolt assembly includes a latch bolt, a latch bolt connector, and a latch bolt driving member, the latch bolt is connected to the latch bolt connector, the latch bolt driving member is installed on the latch bolt connector, the unlocking paddle includes a ring-shaped body and a paddle rod extending outward from the ring-shaped body, the ring-shaped body is connected to the shift fork assembly, and the paddle rod is abutted to the latch bolt driving member.

In an embodiment, the lock body further comprises a push rod and a lock cylinder, the lock cylinder comprises a lock cylinder body and a lock cylinder shifting piece, the lock cylinder shifting piece is fixedly arranged on the installation shell, the lock cylinder shifting piece is rotatably arranged on the lock cylinder body, and the push rod is abutted between the lock cylinder shifting piece and the unlocking shifting piece.

In one embodiment, the touch tongue assembly includes a touch tongue hinged to one end of the touch tongue connector and a touch tongue connector movably mounted to the mounting housing, the touch tongue connector being moved to bring the touch tongue in an extended state or a retracted state, the connector being connected between the anti-plug and the touch tongue connector.

Compared with the prior art, the utility model provides a lock body, including the installation casing, oblique tongue subassembly, touch the tongue subassembly and prevent inserting the subassembly, oblique tongue subassembly with prevent inserting the equal retractable of subassembly and install in the installation casing, touch the tongue subassembly and have an extension state and a withdrawal state, when touching the tongue subassembly and be in the withdrawal state, prevent that plug-in components and oblique tongue subassembly offset, realized that the lock of oblique tongue subassembly is dead, simple and convenient can prevent that other people from unblanking through other means after the lock door, promoted the security performance of lock body.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lock body according to an embodiment of the present invention at a viewing angle when the plug-in unit is separated from the latch bolt assembly.

Fig. 2 is a schematic structural diagram of a lock body at another viewing angle when the plug-in unit is separated from the latch bolt assembly according to an embodiment of the present invention.

Fig. 3 is a partial enlarged view of fig. 2 at a.

Fig. 4 is a schematic view illustrating a connection between the latch bolt assembly, the touch bolt assembly and the anti-jamming assembly according to an embodiment of the present invention.

Fig. 5 is a schematic view of a lock body according to an embodiment of the present invention when the anti-plug member abuts against the latch bolt assembly.

Fig. 6 is a schematic view of a lock body according to an embodiment of the present invention when the rotation of the fork assembly drives the latch bolt assembly to retract.

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, an embodiment of the present invention provides a lock body 1, which includes a mounting housing 10, a latch bolt assembly 20, a touch bolt assembly 30, and an anti-insertion assembly 40. The latch assembly 20 is telescopically mounted to the mounting housing 10. The activating tongue assembly 30 is telescopically mounted to the mounting housing 10. The anti-insertion assembly 40 is mounted to the mounting case 10.

Mounting housing 10 includes mounting plate 11 and bottom shell 13, bottom shell 13 and mounting plate 11 each having a substantially rectangular shape, wherein bottom shell 13 may be configured to mount tongue assembly 20 and activating tongue assembly 30. The mounting plate 11 is connected to one side of the bottom case 13, and the mounting plate 11 can be used to mount the lock body 1 on a door panel.

The latch assembly 20 is movably mounted to the bottom housing 13 and exposed from the mounting plate 11. The latch bolt assembly 20 may be fixed in position relative to the mounting plate 11 when the anti-insertion assembly 40 is rotated to increase the anti-dialing capability of the lock body 1. The latch bolt assembly 20 can also freely extend or retract relative to the mounting plate 11 when the lock body 1 is in an open state, so as to prevent the situation that the door cannot be closed due to the fixed position of the latch bolt assembly 20 (extending out of the mounting plate 11) in the case of opening the door.

Referring to FIG. 2, the latch bolt assembly 20 includes a latch bolt 21, a latch bolt coupler 23, and a latch bolt driver 25.

The latch tongue 21 includes a latch tongue extension 213 and a latch tongue connecting portion 215. Wherein, the latch bolt extension 213 may extend out of the mounting plate 11 to lock the lock body 1. When the latch tongue extension 213 is extended out of the mounting housing 10, the latch tongue connecting portion 215 may abut against the anti-insertion assembly 40 to achieve the dead-lock of the latch tongue assembly 20. When the latch bolt connection 215 is separated from the anti-insertion assembly 40, retraction of the latch bolt assembly 20 can be achieved by turning the handle or the lock cylinder. A latch tongue connection 215 is connected between the latch tongue extension 213 and the latch tongue connection 23, the latch tongue connection 215 being located within the mounting housing 10.

The latch tongue connecting member 23 is substantially rod-shaped, and the latch tongue connecting member 23 is connected to the latch tongue 21 and movably mounted to the bottom case 13.

In the present embodiment, the latch bolt driver 25 is substantially plate-shaped and is attached to the latch bolt attaching member 23. The latch bolt transmission member 25 can abut against the anti-insertion assembly 40, so that the anti-insertion assembly 40 can drive the latch bolt transmission member 25 to move when rotating, and further drive the latch bolt connection member 23 to move, thereby driving the retraction of the latch bolt 21.

With continued reference to fig. 2, in the present embodiment, the latch bolt assembly 20 further includes a latch bolt securing member 27 and a latch bolt resilient member 29.

The latch fixing member 27 is also plate-shaped and is fixedly connected to the bottom case 13, and the fixing manner may be bonding or engaging. The latch bolt fixing member 27 may be used for penetration of the latch bolt connecting member 23 to support the latch bolt connecting member 23. The latch bolt securing member 27 may be used to compress the latch bolt resilient member 29 to deform the latch bolt resilient member 29.

The latch bolt elastic piece 29 is wound on the latch bolt connecting piece 23 and is positioned between the latch bolt 21 and the latch bolt fixing piece 27, and when the latch bolt 21 retracts under the action of external force, the latch bolt fixing piece 27 extrudes the latch bolt elastic piece 29 to deform the latch bolt elastic piece 29; when the external force disappears, the latch tongue elastic member 29 deforms to generate a restoring force and drives the latch tongue 21 to extend.

With continued reference to fig. 2, the trip tongue assembly 30 is movably mounted to the bottom housing 13 and exposed from the mounting plate 11, and has an extended state and a retracted state. Activating tongue assembly 30 includes activating tongue 32 and activating tongue connector 34.

The activating tongue 32 is hinged to one end of the activating tongue connector 34, and the activating tongue 32 has an extended state and a retracted state. In this embodiment, since the door frame does not include a mounting hole for the touch tongue 32, when the door is closed, the touch tongue 32 can be pressed by the door frame to retract from the mounting plate 11 into the bottom case 13, i.e. the touch tongue 32 is in a retracted state. When the pressing action of the doorframe is eliminated, the touch tongue 32 can extend from the inside of the bottom case 13 to the outside of the mounting plate 11, that is, the touch tongue 32 is in an extended state.

Referring to fig. 2 and 3, the trigger tongue connecting member 34 is movably mounted to the mounting housing 10, and the movement of the trigger tongue connecting member 34 brings the trigger tongue 32 into an extended state or a retracted state. Trip tongue connector 34 includes a connecting plate 342 and a connecting post 344, connecting plate 342 is movably mounted to mounting housing 10, connecting post 344 projects from connecting plate 342 in a direction away from latch assembly 20, and connecting post 344 is connectable to trip tongue assembly 40.

In addition, trip tongue assembly 30 includes a trip tongue securing member 36 and a trip tongue resilient member 38.

The touch tongue fixing member 36 is fixed to the mounting housing 10 and connected to both ends of the touch tongue connecting member 34 with the touch tongue 32, respectively, and the fixing manner may be an interference fit, an adhesive or a welding manner. Trip tongue retainer 36 may be used to pierce trip tongue connector 34 and may be used to compress trip tongue spring 38 during retraction of trip tongue connector 34, causing a deformation of trip tongue spring 38.

The touch tongue elastic member 38 is disposed around the touch tongue connecting member 34 and between the touch tongue 32 and the touch tongue fixing member 36, and the touch tongue elastic member 38 generates a restoring force when deformed to extend the touch tongue 32.

Referring to fig. 3 and 4, the anti-insertion assembly 40 includes an anti-insertion piece 41 and a connecting piece 42. The connecting member 42 is connected between the anti-plug member 41 and the actuating tongue connecting member 34, so that the movement of the actuating tongue connecting member 34 can drive the connecting member 42 to rotate, and the rotation of the connecting member 42 can drive the anti-plug member 41 to rotate.

The anti-plug 41 is arranged on the mounting shell 10 and selectively abuts against or separates from the latch bolt assembly 20, specifically, when the trigger bolt assembly 30 is in the retracted state, the anti-plug 41 abuts against the latch bolt assembly 20; the trip tongue assembly 30 is in the extended state and the anti-insert 41 is separated from the latch tongue assembly 20.

The anti-insertion member 41 includes a main body portion 411, a connection portion 413, and an abutting end portion 415. The main body 411 is rotatably mounted to the mounting case 10, and the connecting portion 413 is connected between the main body 411 and the abutting end portion 415. The connection portion 413 is provided with an installation post 417, and the installation post 417 is a columnar structure and is connected to the connection member 42. The abutting end 415 selectively located at the first position and abutting against the latch bolt assembly 20 or located at the second position and separated from the latch bolt assembly 20 can be used for jacking the latch bolt assembly 20, so as to prevent others from unlocking by pulling the latch bolt 21, and improve the safety performance of the lock body 1. That is, the first position is when the anti-insert 41 abuts the latch bolt assembly 20, and the second position is when the anti-insert 41 is separated from the latch bolt assembly 20.

The anti-plug 41 further includes an unlocking end 418, and the unlocking end 418 and the connection part 413 are respectively located on both sides of the main body 411. Unlocking end 418 can be toggled by the unlocking mechanism, causing body portion 411 to rotate, thereby disengaging abutment end 415 from latch assembly 20, and retraction of latch assembly 20 can then be achieved by turning the handle or lock cylinder. That is, unlocking end 418 may effect unlocking of latch bolt assembly 20.

The anti-plug-in 41 further comprises a fixing column 419, and the fixing column 419 is of a columnar structure. The fixing post 419 is fixedly disposed on the mounting housing 10, and the main body 411 is rotatably disposed on the fixing post 419. The main body 411 may be hinged to the bottom case 13 by fixing posts 419.

With continued reference to fig. 3 and 4, the connecting member 42 includes a first connecting end 421 and a second connecting end 423 that face away from each other. The first connection end 421 is rotatably connected to the anti-jamming member 41, and specifically, the first connection end 421 is rotatably connected to the mounting post 417. The second coupling end 423 is coupled to the trip tongue assembly 30, and in particular, the second coupling end 423 is rotatably coupled to the coupling post 344.

The first connection end 421 has a first through hole 4211, and the first through hole 4211 can be used for the penetration of the mounting post 417. In the present embodiment, the first through hole 421 is a kidney-shaped hole. The kidney-shaped aperture may provide the connector 42 with a margin of movement in a direction perpendicular to the length of the latch assembly 20. Because the connecting member 42 has a movement margin in a direction perpendicular to the length direction of the latch tongue assembly 20, when the actuating tongue 32 is retracted, the connecting member 42 does not support the mounting post 417, and the anti-insert 41 is not rotated, and the rotation of the anti-insert 41 is the force provided by the restoring of the restoring member. In addition, by setting the first through hole 421 as a kidney-shaped hole, the connecting member 42 can be prevented from supporting the mounting post 417 when the unlocking end 418 is pulled, that is, the connecting member 42 does not block the rotation of the anti-plug 41, so that the anti-plug 41 is separated from the latch bolt assembly 20. In other embodiments, the first perforation 421 may also be a rectangular hole, an elliptical hole, or another elongated hole.

The second connection end 423 is provided with a second through hole 4231, and the second through hole 4231 can be used for the penetration of the connection column 344. The second through hole 4231 is a kidney-shaped hole. By providing the second through hole 4231 as a kidney-shaped hole, the movement margin of the connecting member 42 in the direction perpendicular to the length direction of the latch assembly 20 can be increased, thereby further reducing the influence of the connecting member 42 on the rotation of the anti-insert 41. In other embodiments, the second perforations 4231 may also be rectangular hole elliptical holes or other elongated shaped holes.

With continued reference to fig. 4, the anti-plug assembly 40 further includes an unlocking pulling piece 43, the unlocking pulling piece 43 is rotatably mounted on the mounting housing 10, the unlocking pulling piece 43 abuts against the anti-plug 41, so that the rotation of the unlocking pulling piece 43 can drive the anti-plug 41 to rotate from the first position to the second position, so that the anti-plug 41 is separated from the latch bolt assembly 20. That is, the unlocking paddle 43 may provide a force that prevents the insert 41 from rotating from the first position to the second position.

The unlocking pulling piece 43 includes a ring-shaped body 432 and a pulling rod 436 extending outward from the ring-shaped body 432, and the ring-shaped body 432 can be rotated by other structures. Annular body 432 includes protrusions 434 extending in a direction away from bottom housing 13, protrusions 434 may be used for driving annular body 432. Tap lever 436 is generally a rod-like structure, and tap lever 436 is located between latch fixing member 27 and latch driver 25, and also between base housing 13 and latch coupler 23. The poke rod 436 can abut against the latch bolt transmission member 25, so that rotation of the poke rod 436 can poke the latch bolt transmission member 25 to move, thereby driving the latch bolt 21 to retract from the mounting plate 11.

Referring to fig. 4, 5 and 6, the anti-insertion assembly 40 further includes a fork assembly 45, and the fork assembly 45 is rotatably mounted to the bottom case 13 of the mounting housing 11. The shift fork assembly 45 is in transmission connection with the unlocking poking piece 43, and specifically, the shift fork assembly 45 is connected with the annular body 432, so that the rotation of the shift fork assembly 45 can drive the unlocking poking piece 43 to rotate, and the rotation of the unlocking poking piece 43 drives the anti-insertion piece 41 to separate from the latch bolt assembly 20, as shown in fig. 5 and 6. The fork assembly 45 may be used to mount a handle so that a user may rotate the handle to drive the unlocking paddle 43 to rotate, thereby unlocking the lock body 1.

Referring to fig. 3 and 5, the anti-jamming assembly 40 further includes a reset member 49, the reset member 49 is connected to the fixing post 419, and the reset member 49 provides a force for the abutting end 415 to rotate from the second position to the first position, that is, provides a force for the anti-jamming assembly 41 to rotate from the second position to the first position. In this embodiment, the reset member 49 is a reset torsion spring. The return torsion spring includes a spring body 492, a first spring arm 494 and a second spring arm 496. The torsion spring body 492 is wound on the fixing post 419, the first torsion spring arm 494 and the second torsion spring arm 496 respectively extend from the torsion spring body 492 in different directions, the first torsion spring arm 494 is fixed to the mounting housing 10, and the second torsion spring arm 496 abuts against the mounting post 417. In this embodiment, when anti-insert 41 is disengaged from latch bolt assembly 20, mounting post 417 compresses second torsion spring arm 496, placing reset element 49 in a compressed state, as shown in fig. 3. When the pressing action of mounting post 417 against second torsion spring arm 496 is removed, reset element 49 returns to the normal state and second torsion spring arm 496 causes anti-insert 41 to rotate such that anti-insert 41 abuts latch assembly 20, as shown in fig. 5. In other embodiments, reset element 49 may have other configurations with a reset function.

Referring to fig. 5 and 6, the lock body 1 further includes a main bolt assembly 60, and the main bolt assembly 60 is movably mounted to the bottom case 13 along the length direction of the latch bolt assembly 20.

The lock body 1 further includes a push rod 70 and a key cylinder 80.

Push rod 70 is mounted to the side of main latch bolt assembly 60 remote from bottom housing 13. The push rod 70 abuts between the lock cylinder 80 and the unlocking pulling piece 43, specifically, the push rod 70 abuts between the lock cylinder 80 and the protrusion 434, so that the lock cylinder 80 can push the push rod 70 to move, and the movement of the push rod 70 can drive the unlocking pulling piece 43 to rotate, and the unlocking of the lock body 1 can also be realized. That is, the lock body 1 can be unlocked by a key.

The lock cylinder 80 includes a lock cylinder body 82 and a lock cylinder blade 84, the lock cylinder blade 84 is fixedly disposed on the mounting housing 10, and the lock cylinder blade 84 is rotatably mounted on the lock cylinder body 82. The user can rotate the key to drive the lock cylinder shifting piece 84 to rotate, the rotation of the lock cylinder shifting piece 84 drives the push rod 70 to push the protrusion 434, so as to drive the unlocking shifting piece 43 to rotate, the rotation of the unlocking shifting piece 43 drives the anti-plug-in component 41 to rotate, and the anti-plug-in component 41 is separated from the latch bolt component 20. When the lock cylinder shifting piece 84 continues to rotate in the same direction, the latch bolt assembly 20 can be driven to retract, and unlocking is completed.

To sum up, the present invention provides a lock body 1, which comprises a mounting housing 10, a latch bolt assembly 20, a touch bolt assembly 30 and an anti-insertion assembly 40. The latch assembly 20 is telescopically mounted to the mounting housing 10. The activating tongue assembly 30 is telescopically mounted to the mounting housing 10. The touch tongue assembly 30 has an extended state and a retracted state, when the touch tongue assembly 30 retracts, the anti-insertion assembly 40 abuts against the oblique tongue assembly 20, locking of the oblique tongue assembly 20 is achieved, simplicity and convenience are achieved, unlocking by other means can be prevented after a door is locked, and safety performance of the lock body 1 is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lock body, comprising:

installing a shell;

a latch bolt assembly telescopically mounted to the mounting housing;

the touch tongue assembly is telescopically arranged on the mounting shell and has an extending state and a retracting state; and

the anti-plugging component comprises an anti-plugging component and a connecting piece, the anti-plugging component is arranged on the installation shell, the connecting piece is connected between the anti-plugging component and the touch tongue component, the touch tongue component is in the retraction state, the anti-plugging component is abutted against the oblique tongue component, the touch tongue component is in the extension state, and the anti-plugging component is separated from the oblique tongue component.

2. A lock body according to claim 1, wherein said connecting member includes first and second link ends facing away from each other, said first link end being rotatably connected to said anti-jamming member and said second link end being connected to said trip tongue assembly.

3. The lock of claim 2, wherein said anti-jamming member includes a main body portion rotatably mounted to said mounting housing, a connecting portion connected between said main body portion and said abutting end portion, said connecting portion being provided with a mounting post rotatably connected to said first connecting end, and an abutting end portion selectively in a first position abutting against said latch assembly or in a second position and being disengaged from said latch assembly.

4. The lock of claim 3, wherein said first connecting end has a first aperture therethrough, said mounting post being disposed through said first aperture, said first aperture being a kidney-shaped aperture.

5. The lock of claim 2, wherein said second connecting end has a second through hole, said trigger tongue assembly has a connecting post, said connecting post is inserted into said second through hole, and said second through hole is a kidney-shaped hole.

6. The lock of claim 3, wherein the anti-tamper assembly further comprises a fixing post fixedly disposed on the mounting housing, the main body portion is rotatably mounted on the fixing post, and the anti-tamper assembly further comprises a reset member coupled to the fixing post, the reset member providing an urging force for the abutting end portion to rotate from the second position to the first position.

7. The lock body according to any one of claims 1 to 6, wherein the anti-insertion assembly further comprises an unlocking paddle and a shift fork assembly, the shift fork assembly is rotatably mounted on the mounting housing, the shift fork assembly is in transmission connection with the unlocking paddle, the unlocking paddle abuts against the anti-insertion assembly, rotation of the shift fork assembly drives the unlocking paddle to rotate, and rotation of the unlocking paddle drives the anti-insertion assembly to separate from the latch bolt assembly.

8. The lock of claim 7, wherein said deadbolt assembly includes a deadbolt, a deadbolt connector, and a deadbolt driver, said deadbolt connected to said deadbolt connector, said deadbolt driver mounted to said deadbolt connector, said unlocking paddle including an annular body and a paddle extending outwardly from said annular body, said annular body connected to said shift fork assembly, said paddle abutting said deadbolt driver.

9. The lock of claim 7, further comprising a push rod and a lock cylinder, wherein the lock cylinder comprises a lock cylinder body and a lock cylinder paddle, the lock cylinder paddle is fixedly disposed on the mounting housing, the lock cylinder paddle is rotatably mounted on the lock cylinder body, and the push rod abuts between the lock cylinder paddle and the unlocking paddle.

10. The lock of any one of claims 1 to 6, wherein said trigger tongue assembly comprises a trigger tongue hinged to one end of said trigger tongue connector and a trigger tongue connector movably mounted to said mounting housing, movement of said trigger tongue connector bringing said trigger tongue in said extended state or said retracted state, said connector being connected between said anti-jamming element and said trigger tongue connector.