CN219773882U - Anti-theft door lock body - Google Patents

Abstract

The utility model provides a theft-proof door lock body, and relates to the technical field of locks. The device comprises a driving gear assembly, a transmission gear assembly, a main tongue assembly, an auxiliary tongue assembly and an inclined tongue assembly, wherein a movable clamping groove is arranged on the main tongue assembly through the arrangement of a movable clamping piece on the transmission gear assembly, the movable clamping piece is in sliding connection with the movable clamping groove, the main tongue assembly provided with the movable clamping groove can be driven to move relatively when the movable clamping piece rotates, so that the transmission gear assembly can drive the main tongue assembly to move, the main tongue component can be opened or retracted, the movable clamping groove and the movable card which are in sliding connection can effectively avoid the phenomenon of blocking a jump stop, so that the lock body can be opened or closed more easily, the two auxiliary tongue components and the main tongue component can be opened or retracted synchronously, and the inclined tongue component also has two manners of opening or retracting, so that the lock body has more abundant and complete functions.

Description

Anti-theft door lock body

Technical Field

The utility model relates to the technical field of locks, in particular to a theft-proof door lock body.

Background

The mechanical lock body is a device for locking the mechanical lock body to prevent other people from opening the door, the device can be mechanical or electric, the electric power is needed, the mechanical lock body is classified into a plurality of types, the requirements on the mechanical lock body are different in each occasion, and the common household generally uses the anti-theft mechanical lock body, so that the safety is high and the price is low; in some high-end places and security institutions, the combination locks and fingerprint locks are used, so that the safety is high and the price is high: glass doors are used in many public places, so glass mechanical lock bodies are also widely used.

The present inventors found that there are at least the following technical problems in the prior art: the existing mechanical lock body with one gear or two gears often has the phenomenon of blocking the jump gear during actual use, so that the lock body cannot be normally retracted or knocked out, and normal use is affected.

Disclosure of Invention

The utility model aims to provide a burglary-resisting door lock body, which solves the technical problem that the lock body in the prior art has a blocking jump stop and cannot be normally retracted or beaten out. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a burglary-resisting door lock body, includes drive gear assembly, main tongue subassembly, vice tongue subassembly and oblique tongue subassembly, drive gear assembly with the drive gear assembly transmission is connected, drive gear assembly rotates with the lock shell to be connected, be provided with on the drive gear assembly and remove the card, be provided with on the main tongue subassembly and remove the screens groove, remove the card with remove screens groove sliding connection so that drive gear assembly can drive main tongue subassembly removes, main tongue subassembly and two vice tongue subassembly transmission is connected, oblique tongue subassembly with the drive gear assembly transmission is connected.

Preferably, the driving gear assembly comprises a driving gear body, a first transmission tooth is arranged on the driving gear body, and the driving gear body is in transmission connection with the transmission gear assembly through the first transmission tooth.

Preferably, the transmission gear assembly comprises a transmission gear body, the movable card is connected to the transmission gear body, the middle part of the transmission gear body is rotationally connected with the lock shell, one end of the transmission gear body is provided with a second transmission tooth, the second transmission tooth is in meshed connection with the first transmission tooth, the other end of the transmission gear body is provided with a third transmission tooth, and the third transmission tooth is in transmission connection with the inclined tongue assembly.

Preferably, the main tongue component comprises a main tongue plate, a main tongue body and roller structures, wherein the main tongue body is connected with the main tongue plate, the main tongue body is provided with the movable clamping groove, and the two roller structures are respectively connected with two sides of the main tongue plate and are respectively in transmission connection with one auxiliary tongue component.

Preferably, the auxiliary tongue component comprises a top-bottom connecting rod, an auxiliary tongue swinging piece, an auxiliary tongue plate and an auxiliary tongue body, wherein a moving groove is formed in one end of the top-bottom connecting rod, the roller structure is in rolling connection with the moving groove, the other end of the top-bottom connecting rod is in transmission connection with the auxiliary tongue swinging piece, the auxiliary tongue swinging piece is in transmission connection with the auxiliary tongue plate, and the auxiliary tongue plate is connected with the auxiliary tongue body.

Preferably, the roller structure comprises a roller body and a protective sleeve, one end of the roller body is connected with the main tongue plate, the protective sleeve is sleeved outside the other end of the roller body, and the protective sleeve is in rolling contact with the groove wall of the movable groove.

Preferably, the latch assembly comprises a latch tooth plate, a latch bottom plate and a latch body, wherein a fourth transmission tooth is arranged on the latch tooth plate and is in meshed connection with the third transmission tooth, the latch tooth plate is connected with the latch bottom plate, and the latch bottom plate is in transmission connection with the latch body.

Preferably, the lock case is provided with a guide groove for moving the end of the roller structure at a corresponding position of each roller structure.

The beneficial effects of the utility model are as follows: the movable clamping groove is arranged on the main tongue component, the movable clamping groove is in sliding connection with the movable clamping groove, and the main tongue component provided with the movable clamping groove can be driven to move relatively when the movable clamping groove rotates, so that the main tongue component can be driven to move by the transmission gear component, the main tongue component can be driven to be ejected or retracted, the phenomenon of blocking and jumping can be effectively avoided due to the movable clamping groove and the movable clamping groove which are in sliding connection, normal ejection or retraction of the lock body can be realized, and unlocking or locking of the lock body can be easier;

the main tongue component is in transmission connection with the two auxiliary tongue components, and when the main tongue component moves, the two auxiliary tongue components can be driven to move so as to make the two auxiliary tongue components to be knocked out or retracted, and the two auxiliary tongue components and the main tongue component are synchronously knocked out or retracted;

the oblique tongue component is connected with the transmission gear component in a transmission way, the transmission gear component can drive the oblique tongue component to be beaten out or retracted, meanwhile, a handle hole is formed in the periphery of the oblique tongue component, a handle is installed at the handle hole, the handle can rotate synchronously with the oblique tongue component, the oblique tongue component can be driven to rotate by rotating the handle, and accordingly, the oblique tongue component can be beaten out or retracted in two ways, and the oblique tongue component can be driven to be beaten out or retracted in two ways, so that the lock body is more rich and complete in function.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a detailed view of the present utility model;

FIG. 3 is a detail view of the roller structure of the present utility model;

1, a driving gear assembly; 11. a drive gear body; 111. a first drive tooth;

2. a drive gear assembly; 21. a transmission gear body; 211. a second drive tooth; 212. a third drive tooth; 22. moving the card;

3. a main tongue assembly; 31. a main tongue plate; 32. a main tongue body; 321. a movable clamping groove; 33. a roller structure; 331. a roller body; 332. a protective sleeve;

4. a sub-tongue assembly; 41. a top-bottom connecting rod; 411. a moving groove; 42. auxiliary tongue swinging pieces; 43. a secondary tongue plate; 44. an auxiliary tongue body;

5. a latch assembly; 51. oblique tongue tooth piece; 511. a fourth drive tooth; 52. a sloping tongue backsheet; 53. a latch body;

6. a lock case; 61. a guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1 are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Referring to fig. 1 to 3, the utility model provides a burglarproof door lock body, which comprises a driving gear assembly 1, a transmission gear assembly 2, a main tongue assembly 3, a subsidiary tongue assembly 4 and a bevel tongue assembly 5;

the driving gear assembly 1 is in transmission connection with the transmission gear assembly 2, a lock cylinder hole is formed in the periphery of the driving gear assembly 1 in the lock shell 6, a lock cylinder structure is arranged at the lock cylinder hole, the lock cylinder structure is in transmission connection with the driving gear assembly 1, the driving gear assembly 1 can be driven to rotate after the lock cylinder structure is started, and the driving gear assembly 1 can be driven to rotate by rotating;

the transmission gear assembly 2 is rotationally connected with the lock shell 6, the lock shell 6 also plays a certain limiting role on the transmission gear assembly 2, the transmission gear assembly 2 is provided with a movable card 22, the movable card 22 can synchronously rotate when the transmission gear assembly 2 rotates, the main tongue assembly 3 is provided with a movable clamping groove 321, the movable card 22 is slidingly connected with the movable clamping groove 321, when the movable card 22 rotates, the main tongue component 3 provided with the movable clamping groove 321 can be driven to relatively move, so that the transmission gear component 2 can drive the main tongue component 3 to move, the main tongue component 3 can be driven to be ejected or retracted, the movable clamping groove 321 and the movable card 22 which are in sliding connection can effectively avoid the phenomenon of blocking a jump stop, realize normal unlocking or retraction of the lock body, and enable unlocking or locking of the lock body to be easier;

the main tongue component 3 is in transmission connection with the two auxiliary tongue components 4, and when the main tongue component 3 moves, the two auxiliary tongue components 4 can be driven to move so as to make the two auxiliary tongue components 4 be knocked out or retracted, and the two auxiliary tongue components 4 and the main tongue component 3 are synchronously knocked out or retracted;

the oblique tongue component 5 is connected with the transmission gear component 2 in a transmission way, the transmission gear component 2 can drive the oblique tongue component 5 to be beaten out or retracted, meanwhile, a handle hole is formed in the periphery of the oblique tongue component 5, a handle is installed at the handle hole and can synchronously rotate with the oblique tongue component 5, the oblique tongue component 5 can be driven to rotate by rotating the handle, and accordingly, the oblique tongue component 5 can be beaten out or retracted in two ways, and the oblique tongue component 5 can be driven to be beaten out or retracted in two ways, so that the lock body is more abundant and complete in function.

As an alternative embodiment, the driving gear assembly 1 includes a driving gear body 11, the lock shell 6 is provided with a lock core hole on the peripheral side of the driving gear body 11, a lock core structure is installed at the lock core hole, the lock core structure is in transmission connection with the driving gear body 11, the driving gear body 11 can be driven to rotate after the lock core structure is started, and the structure and the use principle of the lock core structure are more conventional prior art, so that no further development description is made;

the driving gear body 11 is provided with a first transmission tooth 111, the driving gear body 11 is in transmission connection with the transmission gear assembly 2 through the first transmission tooth 111, and the driving gear body 11 can drive the transmission gear assembly 2 to move when rotating.

As an alternative embodiment, the transmission gear assembly 2 comprises a transmission gear body 21, the moving card 22 being connected to the transmission gear body 21, the connection being preferably a fixed connection, so that the moving card 22 can move synchronously with the transmission gear body 21;

the middle part of the transmission gear body 21 is rotationally connected with the lock shell 6, and the transmission gear body 21 can rotate relative to the lock shell 6;

one end of the transmission gear body 21 is provided with a second transmission tooth 211, the second transmission tooth 211 is meshed with the first transmission tooth 111, the other end of the transmission gear body 21 is provided with a third transmission tooth 212, and the third transmission tooth 212 is in transmission connection with the inclined tongue component 5;

when the driving gear body 11 rotates, the first transmission gear 111 can drive the transmission gear body 21 provided with the second transmission gear 211 to rotate, the rotation of the transmission gear body 21 can drive the movable card 22 to synchronously rotate, and the rotation of the movable card 22 can drive the main tongue component 3 provided with the movable clamping groove 321 to relatively move.

As an alternative embodiment, the main tongue assembly 3 includes a main tongue plate 31, a main tongue body 32 and a roller structure 33, the main tongue body 32 is connected with the main tongue plate 31, and the main tongue plate 31 can drive the main tongue body 32 to move synchronously, so as to realize the ejection or retraction of the main tongue body 32;

the main tongue body 32 is provided with a movable clamping groove 321, and the rotation of the movable card 22 can drive the main tongue body 32 provided with the movable clamping groove 321 to move relatively, which is equivalent to driving the main tongue body 32 to move relatively, so as to realize the ejection or retraction of the main tongue body 32;

the two roller structures 33 are respectively connected to two sides of the main tongue plate 31 and are respectively connected with one auxiliary tongue assembly 4 in a transmission way, the roller structures 33 and the main tongue plate 31 realize synchronous movement, and the roller structures 33 also move along with the main tongue plate 31 and drive the auxiliary tongue assembly 4 to move while the main tongue plate 31 drives the main tongue body 32 to be knocked out or retracted;

the lock housing 6 is provided with a guide slot 61 for the movement of the end of the roller structure 33 at a corresponding position of each roller structure 33, thereby providing a guide for the movement of the roller structure 33.

As an alternative embodiment, the auxiliary tongue assembly 4 includes a top-bottom connecting rod 41, an auxiliary tongue swinging piece 42, an auxiliary tongue plate 43 and an auxiliary tongue body 44, wherein a moving slot 411 is formed at one end of the top-bottom connecting rod 41, the moving slot 411 is obliquely arranged relative to the moving direction of the main tongue plate 31 or the main tongue body 32, and the whole moving direction of the top-bottom connecting rod 41 is mutually perpendicular to the moving direction of the main tongue plate 31 or the main tongue body 32;

the roller structure 33 is in rolling connection with the moving slot 411, and the roller structure 33 can drive the top and bottom connecting rods 41 to move along the vertical direction of the moving direction of the roller structure 33;

the other end of the heaven and earth connecting rod 41 is in transmission connection with the auxiliary tongue swinging piece 42, the auxiliary tongue swinging piece 42 is in transmission connection with the auxiliary tongue plate 43, the auxiliary tongue plate 43 is connected with the auxiliary tongue body 44, the heaven and earth connecting rod 41 can drive the auxiliary tongue swinging piece 42 to rotate, the auxiliary tongue swinging piece 42 can drive the auxiliary tongue swinging piece 42 to beat out or retract with the auxiliary tongue plate 43, the auxiliary tongue swinging piece 42 and the auxiliary tongue plate 43 synchronously move, and the connection between the heaven and earth connecting rod 41 and the auxiliary tongue swinging piece 42 and the connection between the auxiliary tongue swinging piece 42 and the auxiliary tongue plate 43 are in a more conventional prior art, so that further unfolding description is omitted.

As an alternative embodiment, the roller structure 33 includes a roller body 331 and a protective sleeve 332, one end of the roller body 331 is connected with the main tongue plate 31, the roller body 331 can move synchronously with the main tongue plate 31, the protective sleeve 332 is sleeved outside the other end of the roller body 331, the protective sleeve 332 is in rolling contact with the groove wall of the moving groove 411, the protective sleeve 332 can protect the roller body 331, the roller body 331 is prevented from being in direct contact with the moving groove 411 and worn after long-term use, and the service life is effectively prolonged.

As an alternative embodiment, the latch assembly 5 includes a latch tooth plate 51, a latch bottom plate 52 and a latch body 53, a fourth driving tooth 511 is disposed on the latch tooth plate 51, the fourth driving tooth 511 is meshed with the third driving tooth 212, the latch tooth plate 51 is connected with the latch bottom plate 52, the latch bottom plate 52 is in driving connection with the latch body 53, the driving gear body 21 rotates and can drive the latch tooth plate 51 provided with the fourth driving tooth 511 to rotate through the third driving tooth 212, the rotation of the latch tooth plate 51 can drive the latch bottom plate 52 to rotate, and the rotation of the latch bottom plate 52 can drive the latch body 53 to be knocked out or retracted;

in addition, the circumference sides of the inclined tongue teeth plate 51 and the inclined tongue bottom plate 52 are provided with handle holes, handles are arranged at the handle holes, the handles can synchronously rotate with the inclined tongue teeth plate 51 and the inclined tongue bottom plate 52, the inclined tongue teeth plate 51 and the inclined tongue bottom plate 52 can be driven to rotate by rotating the handles, the inclined tongue bottom plate 52 can also drive the inclined tongue body 53 to be knocked out or retracted, and both modes can drive the inclined tongue body 53 to be knocked out or retracted, so that the lock body has more abundant and complete functions.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a burglary-resisting door lock body, its characterized in that includes drive gear subassembly (1), drive gear subassembly (2), main tongue subassembly (3), vice tongue subassembly (4) and oblique tongue subassembly (5), wherein: the novel lock is characterized in that the driving gear assembly (1) is in transmission connection with the transmission gear assembly (2), the transmission gear assembly (2) is in transmission connection with the lock shell (6), a movable clamping piece (22) is arranged on the transmission gear assembly (2), a movable clamping groove (321) is arranged on the main tongue assembly (3), the movable clamping piece (22) is in sliding connection with the movable clamping groove (321) so that the transmission gear assembly (2) can drive the main tongue assembly (3) to move, the main tongue assembly (3) is in transmission connection with the two auxiliary tongue assemblies (4), and the inclined tongue assembly (5) is in transmission connection with the transmission gear assembly (2).

2. The antitheft door lock of claim 1 wherein: the driving gear assembly (1) comprises a driving gear body (11), a first transmission tooth (111) is arranged on the driving gear body (11), and the driving gear body (11) is in transmission connection with the transmission gear assembly (2) through the first transmission tooth (111).

3. The antitheft door lock of claim 2 wherein: the transmission gear assembly (2) comprises a transmission gear body (21), the movable card (22) is connected to the transmission gear body (21), the middle part of the transmission gear body (21) is rotationally connected with the lock shell (6), one end of the transmission gear body (21) is provided with a second transmission tooth (211), the second transmission tooth (211) is meshed with the first transmission tooth (111), the other end of the transmission gear body (21) is provided with a third transmission tooth (212), and the third transmission tooth (212) is in transmission connection with the inclined tongue assembly (5).

4. The antitheft door lock of claim 3 wherein: the main tongue component (3) comprises a main tongue plate (31), a main tongue body (32) and a roller structure (33), wherein the main tongue body (32) is connected with the main tongue plate (31), the main tongue body (32) is provided with a movable clamping groove (321), and the two roller structures (33) are respectively connected with two sides of the main tongue plate (31) and are respectively connected with one auxiliary tongue component (4) in a transmission manner.

5. The antitheft door lock of claim 4 wherein: the auxiliary tongue component (4) comprises a top-bottom connecting rod (41), an auxiliary tongue swinging piece (42), an auxiliary tongue plate (43) and an auxiliary tongue body (44), wherein a moving groove (411) is formed in one end of the top-bottom connecting rod (41), a roller structure (33) is in rolling connection with the moving groove (411), the other end of the top-bottom connecting rod (41) is in transmission connection with the auxiliary tongue swinging piece (42), the auxiliary tongue swinging piece (42) is in transmission connection with the auxiliary tongue plate (43), and the auxiliary tongue plate (43) is connected with the auxiliary tongue body (44).

6. The antitheft door lock of claim 5 wherein: the roller structure (33) comprises a roller body (331) and a protective sleeve (332), one end of the roller body (331) is connected with the main tongue plate (31), the protective sleeve (332) is sleeved outside the other end of the roller body (331), and the protective sleeve (332) is in rolling contact with the groove wall of the movable groove (411).

7. The antitheft door lock of claim 3 wherein: the latch assembly (5) comprises a latch tooth piece (51), a latch bottom piece (52) and a latch body (53), a fourth transmission tooth (511) is arranged on the latch tooth piece (51), the fourth transmission tooth (511) is meshed with the third transmission tooth (212), the latch tooth piece (51) is connected with the latch bottom piece (52), and the latch bottom piece (52) is in transmission connection with the latch body (53).

8. The antitheft door lock of claim 4 wherein: the lock case (6) is provided with a guide groove (61) for moving the end part of the roller structure (33) at the corresponding position of each roller structure (33).