CN220955083U - Antitheft lock with safety tongue anticollision function - Google Patents

Abstract

The utility model provides an anti-theft lock with an anti-collision function of a safety tongue, which relates to the field of anti-theft locks and comprises a lock shell, an inclined tongue body, an auxiliary tongue body and a safety tongue body, wherein the inclined tongue body, the auxiliary tongue body and the safety tongue body are arranged in the lock shell; when the safety tongue body is impacted by external force, the tongue body part between the guide plate and the lock hole is limited, supported and protected by the anti-collision plate, and the tongue body is not easy to bend and deform, so that the anti-collision performance of the door lock is improved.

Description

Antitheft lock with safety tongue anticollision function

Technical Field

The utility model relates to the field of anti-theft locks, in particular to an anti-theft lock with an anti-collision function of a safety tongue.

Background

The anti-theft lock is a door lock with high strength and good anti-theft performance, and has diversified anti-theft styles and functions in the market at present. The patent document CN219471771U discloses a reversing mechanism of lock body inclined tongue, which comprises a lock body main body, the fixed surface of lock body main body is connected with the locking closure of being convenient for take apart the maintenance, the inside of lock body main body is provided with the reversing mechanism of being convenient for carry out the reversing, the surface of locking closure is provided with the change groove of being convenient for assist reversing mechanism to carry out the reversing, connecting block fixed connection is in the inside of lock body main body, inclined tongue rotates the outer end of connecting block, dead bolt fixed connection is at the outer end of connecting block. According to the reversing mechanism of the lock body inclined bolt, the clamping plate, the connecting clamping block connecting plate and the connecting convex plate are respectively arranged between the lock body main body and the lock cover, and are clamped with each other, so that the lock body main body and the lock cover are quickly connected, the inclined bolt is rotationally connected to the surface of the fixed bolt on the connecting block arranged in the lock body main body, and the reversing plate is clamped in the clamping groove formed in the surface of the inclined bolt to limit, so that the inclined bolt is conveniently adjusted; the inclined tongue body reversing structure is complex, and the utility model does not disclose the technical content of preventing the safety tongue from collision.

Therefore, it is necessary to provide an anti-theft lock with a safety tongue anti-collision function, which solves the above problems.

Disclosure of utility model

First, the technical problem to be solved

The utility model aims to solve the problem of providing an anti-theft lock with an anti-collision function of a safety tongue so as to overcome the defects in the prior art.

(II) technical scheme

In order to solve the technical problems, the utility model provides an anti-theft lock with an anti-collision function of a safety tongue, which comprises a lock shell, an inclined tongue body, an auxiliary tongue body and the safety tongue body, wherein the inclined tongue body, the auxiliary tongue body and the safety tongue body are arranged in the lock shell, the inclined tongue body is controlled to open and close outside a door by an unlocking part, the auxiliary tongue body is controlled to open and close outside the door by an auxiliary tongue rotating handle, the safety tongue body is controlled to open and close outside the door by the unlocking part, the safety tongue body is controlled to open and close inside the door by the safety tongue rotating handle, an anti-collision plate in sliding connection with the safety tongue body is arranged in the lock shell, the safety tongue body is also connected with an outer locking part, the anti-collision plate is positioned on one side of the outer locking part, and a first limiting bump and a second limiting bump which are in interference fit with the shell wall of the lock shell are arranged on the anti-collision plate.

The lock shell is provided with a limiting hole, a first limiting lug of the anti-collision plate is positioned in the limiting hole of the lock shell, the side wall of the anti-collision plate is in interference fit with the shell wall of the lock shell, and a second limiting lug of the anti-collision plate is in interference fit with the convex shell wall in the lock shell, so that the anti-collision plate is limited and fixed in the lock shell, and the anti-collision plate can effectively prevent the safety tongue body from collision; the anti-collision plate is provided with a limiting through hole in sliding connection with the safety tongue body, one end of the lock shell is provided with a guide plate, the anti-collision plate is positioned between the guide plate and the outer lock part, the guide plate is matched with the anti-collision plate to limit and prevent the safety tongue body from collision, and when the safety tongue body is impacted, the tongue body part positioned between the guide plate and the lock hole is limited and protected by the anti-collision plate, so that the tongue body part is not easy to bend and deform, and the anti-collision performance of the door lock is improved.

Further, the first spacing lug of anticollision board is parallel arrangement in the one side of anticollision board, the second spacing lug of anticollision board is perpendicular setting in the one side of anticollision board, and the shell wall of this setting cooperation lock shell plays the effect of two-way spacing support to the anticollision board, helps the spacing protection insurance tongue of anticollision board.

Furthermore, the safety tongue body is also connected with an outer lock part, the outer lock part can also be called an emergency lock part, under some emergency conditions, an unlocking person can drive the safety tongue body to retract through the lock part matched with a lock hole on the outer lock part, so that the door body is opened to perform emergency operations such as rescue and the like; the outer lock part comprises a lock hole rotationally connected with the lock shell, and a first shifting block for controlling the safety tongue body to stretch and slide on the lock shell is arranged on the lock hole.

Further, a notch matched with the first shifting block is formed in the safety tongue body, and the door outer locking piece drives the safety tongue body to extend or retract on the lock shell through the first shifting block of the locking hole.

Further, the anti-collision plate forms a bidirectional limiting support in the lock shell through the first limiting protruding block and the second limiting protruding block.

Further, be provided with in the lock shell with the tongue body complex switching-over board, the switching-over board is L type setting, the perpendicular end of switching-over board is offered with the tongue body complex recess to one side, the horizontal end of switching-over board is provided with dials the end, dials the end and exposes on the lock shell, and the user can carry out the switching-over operation of the tongue body after manual to one side dials the stirring end on the switching-over board.

Further, a baffle and a spring are arranged on the inclined tongue body, two limiting blocks are symmetrically arranged on the inclined tongue body, and abutting ends matched with the limiting blocks are arranged on the reversing plate.

Further, a lock cylinder is arranged in the lock shell, a transmission element matched with the lock cylinder is rotationally connected in the lock shell, the transmission element is connected with a connecting element, and a second shifting block matched with the limiting block is arranged on the connecting element.

Further, two rivets are connected to the transmission element, a pressing plate is arranged in the lock shell, two kidney-shaped holes which are in sliding connection with the rivets are symmetrically formed in the pressing plate, the pressing plate is located between the shell wall of the lock shell and the transmission element, the pressing plate is used for pressing and limiting the transmission element, functions similar to those of gaskets are achieved, the kidney-shaped holes achieve the abdicating function, the transmission element is convenient to displace and change through the rivet depending kidney-shaped holes, and accordingly stretching and retracting operations of the inclined tongue body and the auxiliary tongue body are conducted.

(III) beneficial effects

Compared with the prior art, the antitheft lock with the safety tongue anticollision function has the following beneficial effects: install the anticollision board additional in the lock shell, the first spacing lug of anticollision board is located the spacing downthehole of lock shell, the lateral wall of anticollision board is contradicted the shell wall of lock shell, the protruding shell wall interference fit in the second spacing lug of anticollision board and the lock shell makes the anticollision board by spacing fixedly in the lock shell, the insurance tongue runs through the spacing through-hole of anticollision board, make the insurance tongue spacing by the anticollision board, and the anticollision board is located between deflector and the lockhole again, when the insurance tongue is received the power of striking, its tongue position between deflector and lockhole is protected by the anticollision board is spacing, its tongue is difficult for taking place bending deformation, the anticollision performance of lock has been improved.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of an anti-theft lock with a dead bolt anti-collision function according to the present utility model;

FIG. 2 is an enlarged view of the anti-theft lock of FIG. 1A with a safety tongue anti-collision function according to the present utility model;

FIG. 3 is an enlarged view of the anti-theft lock of FIG. 1B with a safety tongue anti-collision function according to the present utility model;

FIG. 4 is a side view of an anti-theft lock with a safety tongue anti-collision function of the present utility model;

FIG. 5 is a schematic view of an anti-collision plate structure of an anti-theft lock with a safety tongue anti-collision function according to the present utility model;

FIG. 6 is a schematic diagram of a security housing of an anti-theft lock with a latch anti-collision function according to the present utility model;

FIG. 7 is a schematic view of a latch body of an anti-theft lock with a safety latch anti-collision function according to the present utility model;

FIG. 8 is a schematic diagram of a reversing plate structure of an anti-theft lock with a safety tongue anti-collision function according to the present utility model;

The corresponding component names for each reference number in the figures are: 1. a lock case; 101. a guide plate; 2. a sloping tongue body; 201. a baffle; 202. a spring; 203. a limiting block; 3. an auxiliary tongue body; 4. an anti-collision plate; 401. limiting through holes; 402. a first limit bump; 403. the second limit bump; 5. a safety tongue body; 6. a lock hole; 7. a first dial block; 8. a notch; 9. a connecting element; 901. a second dial block; 10. a reversing plate; 1011. a groove; 1012. abutting ends; 1013. a dial end; 11. a transmission element; 12. a lock core; 13. a pressing plate; 1301. waist-shaped holes; 14. and (5) a rivet.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 8, the utility model provides an anti-theft lock with a safety tongue anti-collision function, which comprises a lock shell 1, an inclined tongue body 2, a subsidiary tongue body 3 and a safety tongue body 5, wherein the inclined tongue body 2, the subsidiary tongue body 3 and the safety tongue body 5 are arranged in the lock shell 1, the inclined tongue body 2 is controlled to open and close by an unlocking part outside a door, the subsidiary tongue body 3 is controlled to open and close by a subsidiary tongue rotating handle outside the door, the safety tongue body 5 is controlled by an unlocking part outside the door by a safety tongue rotating handle, an anti-collision plate 4 which is in sliding connection with the safety tongue body 5 is arranged in the lock shell 1, the safety tongue body 5 is also connected with an outer locking part, the anti-collision plate 4 is positioned at one side of the outer locking part, a first limiting bump 402 and a second limiting bump 403 which are in abutting fit with the shell wall of the lock shell 1 are arranged on the anti-collision plate 4, the first limiting bump 402 of the anti-collision plate 4 is positioned in the limiting hole of the lock shell 1, the side wall of the anti-collision plate 4 is in the limiting hole of the lock shell 1, the second limiting bump 403 of the anti-collision plate 4 is in abutting fit with the shell wall of the shell 1, and the convex shell wall 403 in the door is in the door, so that the anti-collision plate 4 is fixed in the lock shell 1, and the anti-collision plate is fixed to the anti-collision plate 4, and the anti-collision protection plate is fixed in the anti-collision plate, and the anti-collision plate 1;

Referring to fig. 3 to 6, the first limiting bump 402 of the anti-collision plate 4 is parallel to one surface of the anti-collision plate 4, the second limiting bump 403 of the anti-collision plate 4 is perpendicular to one surface of the anti-collision plate 4, and the arrangement cooperates with the shell wall of the lock shell 1 to perform bidirectional limiting support effect on the anti-collision plate 4, so that the anti-collision plate 4 is limited and protection of the safety tongue 5 is facilitated; the anti-collision plate 4 is provided with the limiting through hole 401 which is slidably connected with the safety tongue body 5, one end of the lock shell 1 is provided with the guide plate 101, the anti-collision plate 4 is positioned between the guide plate 101 and the outer lock part, the guide plate 101 is matched with the anti-collision plate 4 to limit and prevent the safety tongue body 5 from collision, when the safety tongue body 5 is impacted, the part of the safety tongue body 5 positioned between the guide plate 101 and the lock hole 6 is limited and protected by the anti-collision plate 4, so that the door lock is not easy to bend and deform when impacted, and the anti-collision performance of the door lock is improved.

Referring to fig. 2, 7-8, a reversing plate 10 matched with a bevel tongue 2 is arranged in a lock shell 1, the reversing plate 10 is in an L-shaped structure, a groove 1011 matched with the bevel tongue 2 is formed in the vertical end of the reversing plate 10, a stirring end 1013 is arranged at the transverse end of the reversing plate 10, the stirring end 1013 is exposed on the lock shell 1, a baffle 201 and a spring 202 are arranged on the bevel tongue 2, two limiting blocks 203 are symmetrically arranged on the bevel tongue 2, a supporting end 1012 matched with the limiting blocks 203 is arranged on the reversing plate 10, a user can manually stir the stirring end 1013 on the reversing plate 10 to one side, then the bevel tongue 2 is pressed into the lock shell 1 from a guide plate 101 and rotated 180 degrees, and the reversing function of the bevel tongue 2 is realized after the bevel tongue 2 is released.

Referring to fig. 1, a lock cylinder 12 is disposed in a lock case 1, a transmission element 11 matched with the lock cylinder 12 is rotationally connected in the lock case 1, the transmission element 11 is connected with a connecting element 9, a second shifting block 901 matched with a limiting block 203 is disposed on the connecting element 9, two rivets 14 are connected on the transmission element 11, a pressing plate 13 is disposed in the lock case 1, two kidney-shaped holes 1301 in sliding connection with the rivets 14 are symmetrically disposed on the pressing plate 13, the pressing plate 13 is located between a case wall of the lock case 1 and the transmission element 11, the pressing plate 13 performs pressing limiting on the transmission element 11, and is similar to a gasket, the kidney-shaped holes 1301 realize a yielding function, so that the transmission element 11 can displace and change through the rivet 14 depending on the kidney-shaped holes 1301, and accordingly, the extension and retraction operations of a bevel tongue 2 and an auxiliary tongue 3 can be performed.

Referring to fig. 1 and 3, the safety tongue 5 is further connected with an outer lock component, a notch 8 matched with the first shifting block 7 is formed in the safety tongue 5, the outer lock component comprises a lock hole 6 rotationally connected with the lock shell 1, the lock hole 6 is provided with the first shifting block 7 for controlling the safety tongue 5 to stretch and slide on the lock shell 1, the door outer lock drives the safety tongue 5 to stretch out or retract on the lock shell 1 through the first shifting block 7 of the lock hole 6, under some emergency conditions, an unlocking person can cooperate with the lock hole through the lock piece, the first shifting block 7 drives the safety tongue 5 to retract, and therefore the door is opened for emergency operations such as rescue.

The anti-theft lock that this embodiment provided has installed anticollision board 4 additional in lock shell 1, the first spacing lug 402 of anticollision board 4 is located the spacing downthehole of lock shell 1, the lateral wall of anticollision board 4 is contradicted the shell wall of lock shell 1, the protruding shell wall interference fit in the second spacing lug 403 of anticollision board 4 and the lock shell 1 makes anticollision board 4 by spacing fixed in lock shell 1, insurance tongue 5 runs through the spacing through-hole 401 of anticollision board 4 for insurance tongue 5 is spacing by anticollision board 4, and anticollision board 4 is located between deflector 101 and lockhole 6 again, when insurance tongue 5 is received the power of striking, its position that is located between deflector 101 and the lockhole 6 is spacing protection by anticollision board 4, the difficult bending deformation that takes place for its tongue, the anticollision performance of lock has been improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (9)

1. The utility model provides an anti-theft lock with insurance tongue anticollision function, includes lock shell (1) and sets up oblique tongue body (2), vice tongue body (3), insurance tongue body (5) in lock shell (1), oblique tongue body (2) are opened and shut by unlocking means control outside the door, vice tongue body (3) are controlled by vice tongue spiral handle in the door, vice tongue body (3) are opened and shut by unlocking means control outside the door, insurance tongue body (5) are controlled by insurance tongue spiral handle in the door, its characterized in that: an anti-collision plate (4) which is in sliding connection with the safety tongue body (5) is arranged in the lock shell (1), the safety tongue body (5) is also connected with an outer lock part, the anti-collision plate (4) is positioned on one side of the outer lock part, and a first limit lug (402) and a second limit lug (403) which are in interference fit with the shell wall of the lock shell (1) are arranged on the anti-collision plate (4); the anti-collision plate (4) is provided with a limiting through hole (401) which is in sliding connection with the safety tongue body (5), one end of the lock shell (1) is provided with a guide plate (101), the anti-collision plate (4) is positioned between the guide plate (101) and an outer lock part, and the guide plate (101) is matched with the anti-collision plate (4) to limit and prevent collision of the safety tongue body (5).

2. The antitheft lock with a safety tongue collision prevention function as claimed in claim 1, wherein: the first limit protruding blocks (402) of the anti-collision plate (4) are arranged in parallel with one surface of the anti-collision plate (4), and the second limit protruding blocks (403) of the anti-collision plate (4) are arranged vertically with one surface of the anti-collision plate (4).

3. The antitheft lock with a safety tongue collision prevention function as claimed in claim 1, wherein: the safety tongue body (5) is also connected with an outer lock part, the outer lock part comprises a lock hole (6) rotationally connected with the lock shell (1), and a first shifting block (7) for controlling the safety tongue body (5) to stretch and slide on the lock shell (1) is arranged on the lock hole (6); a reversing plate (10) matched with the inclined tongue body (2) is arranged in the lock shell (1).

4. A theft-proof lock with a safety tongue anti-collision function as claimed in claim 3, characterized in that: the safety tongue body (5) is provided with a notch (8) matched with the first shifting block (7), and the first shifting block (7) of the locking hole (6) drives the safety tongue body (5) to extend or retract on the lock shell (1) through the door outer locking piece.

5. An anti-theft lock with a safety tongue anti-collision function as claimed in claim 2, wherein: the anti-collision plate (4) forms a bidirectional limiting support in the lock shell (1) through the first limiting convex block (402) and the second limiting convex block (403).

6. A theft-proof lock with a safety tongue anti-collision function as claimed in claim 3, characterized in that: the reversing plate (10) is arranged in an L shape, a groove (1011) matched with the inclined tongue body (2) is formed in the vertical end of the reversing plate (10), and a poking end (1013) is arranged at the transverse end of the reversing plate (10).

7. The antitheft lock with safety tongue collision avoidance function of claim 6 wherein: baffle (201) and spring (202) are arranged on the inclined tongue body (2), two limiting blocks (203) are symmetrically arranged on the inclined tongue body (2), and abutting ends (1012) matched with the limiting blocks (203) are arranged on the reversing plate (10).

8. The antitheft lock with safety tongue collision avoidance function of claim 7 wherein: the lock is characterized in that a lock cylinder (12) is arranged in the lock shell (1), a transmission element (11) matched with the lock cylinder (12) is rotationally connected to the lock shell (1), the transmission element (11) is connected with a connecting element (9), and a second shifting block (901) matched with the limiting block (203) is arranged on the connecting element (9).

9. The antitheft lock with safety tongue collision avoidance function of claim 8 wherein: two rivets (14) are connected to the transmission element (11), a pressing plate (13) is arranged in the lock shell (1), two kidney-shaped holes (1301) which are connected with the rivets (14) in a sliding mode are symmetrically formed in the pressing plate (13), and the pressing plate (13) is located between the shell wall of the lock shell (1) and the transmission element (11).