CN112031560B

CN112031560B - Locking protection device of automobile door

Info

Publication number: CN112031560B
Application number: CN202011035720.3A
Authority: CN
Inventors: 曾惠源
Original assignee: Taizhou Kejinzhong High Tech Transfer Co ltd
Current assignee: Taizhou kejinzhong high tech transfer Co.,Ltd.
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-12-07
Anticipated expiration: 2040-09-27
Also published as: CN112031560A

Abstract

The invention relates to the technical field of automobile accessories and discloses a locking protection device for an automobile door, which comprises a device shell and a lock sleeve, wherein a clamping groove is formed in the right end of the device shell, a rectangular sliding groove is formed in the inner surface of the device shell, a lock pin is arranged in the device shell, a hollow part is arranged on the surface of the lock pin, a clamp is fixedly connected to the surface of the lock pin, a protruding column is fixedly connected to the inner surface of the lock pin, a sliding block is fixedly connected to the surface of the lock pin, and a through hole is formed in the left side surface of the device shell. This dead protection device of lock of car door uses through the cooperation of buckle groove, rectangle spout, lockpin, buckle, protruding post, slider, bearing bar, rotation spout and restriction groove to reached the door and locked the back, the lockpin is blocked and can not be controlled and remove, makes the lockpin insert in the lock sleeve always, can not shift out because of the accident, thereby guarantees the dead effect of door lock always.

Description

Locking protection device of automobile door

Technical Field

The invention relates to the technical field of automobile accessories, in particular to a locking protection device for an automobile door.

Background

The automobile door needs to be locked when the automobile runs or people leave, the former is to prevent the automobile door from being opened accidentally during the high-speed running of the automobile, which threatens the life safety of people in the automobile, and the latter is to prevent burglary.

The existing automobile door lock is not provided with a dead-locking protection device, so that the door lock can be loosened due to some unexpected conditions when an automobile runs at a high speed, and the automobile door cannot be locked, so that the automobile door can be opened accidentally, and the life safety of personnel in the automobile is threatened.

For example, CN110821311A discloses a lock of an automobile door lock structure, which is not fixed by a protection device after being locked, and may accidentally release the lock during the driving of the automobile, so that the door can be opened freely.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a locking protection device of an automobile door, which has the advantages that the locking protection device can be used as a door lock, a lock pin is clamped on the door lock and cannot move left and right, so that the door lock is ensured to be locked all the time, and the problem that the door lock is possibly opened accidentally and the life safety of personnel in the automobile is threatened because the door lock is loosened and the door cannot be locked due to some accidental conditions when the automobile runs at high speed because the conventional automobile door lock usually has no locking protection device is solved.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides a dead protection device of lock of car door, includes device shell and lock sleeve, the right-hand member of device shell is provided with the buckle groove, the inside surface of device shell is provided with the rectangle spout, the inside of device shell is provided with the lockpin, the surface of lockpin is provided with the fretwork, the fixed surface of lockpin is connected with the buckle, the inside fixed surface of lockpin is connected with protruding post, the fixed surface of lockpin is connected with the slider, the left side surface of device shell is provided with the through-hole, the inside of through-hole rotates and is connected with the bearing bar, the fixed surface of bearing bar is connected with the one end that rotates the spout, the inside surface of lock sleeve is provided with the restriction groove.

Preferably, the device shell is cylindrical and is hollow inside; the buckle groove has two, and is symmetrical about the centre of a circle of device shell, buckle groove with the buckle cooperation is the arc wall.

Preferably, the lock pin is cylindrical, has a hollow section inside, and is matched with the device shell; the number of the hollow parts is three, and the hollow parts are respectively symmetrical by rotating one hundred and twenty degrees around the circle center of the lock pin.

Preferably, the number of the buckles is two, the buckles are fixedly connected with the outer surface of the lock pin close to the right end and are symmetrical about the circle center of the lock pin.

Preferably, the protruding column is matched with the rotating chute; the slide block, the protruding column and the lock pin are fixedly connected at the inner surface and the outer surface of the same position of the lock pin.

Preferably, the sliding block is matched with the rectangular sliding groove; the center of the through hole and the center of the rectangular sliding groove are symmetrical about the circle center of the lock pin; the bearing rod penetrates through one of the hollows and is positioned in the center of the hollow.

Preferably, the lock sleeve is cylindrical, the left end of the lock sleeve is provided with a cylindrical hollow part with the diameter equal to that of the lock pin, the lock sleeve is arranged on the right side of the device shell and matched with the lock pin, and the lock sleeve is flush with the device shell.

Preferably, the number of the limiting grooves is two, the limiting grooves are symmetrical about the circle center of the lock sleeve, the two limiting grooves are respectively matched with the two buckles, and the limiting grooves are U-shaped.

(III) advantageous effects

Compared with the prior art, the invention provides a locking protection device of an automobile door, which has the following beneficial effects:

1. this dead protection device of lock of car door uses through the cooperation of buckle groove, rectangle spout, lockpin, buckle, protruding post, slider, bearing bar, rotation spout and restriction groove to reached the door and locked the back, the lockpin is blocked and can not be controlled and remove, makes the lockpin insert in the lock sleeve always, can not shift out because of the accident, thereby guarantees the dead effect of door lock always.

2. The dead-lock protection device for the automobile door is additionally provided with the protection device for the automobile door lock, so that the lock pin is always inserted into the lock sleeve, the automobile door cannot be accidentally unlocked due to accidental moving out, the automobile door cannot be opened when the automobile runs at a high speed, and the life safety of personnel in the automobile is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of a portion of the housing of the apparatus of FIG. 1 in accordance with the present invention;

FIG. 3 is a left side elevational view of a portion of the sleeve of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view of FIG. 3 taken about A-A in accordance with the present invention;

FIG. 5 is a schematic illustration of the invention during movement of the lock pin of FIG. 1;

FIG. 6 is a schematic view of the locking pin of FIG. 1 of the present invention after it has been deadlocked.

In the figure: 1. a device housing; 2. a fastening groove; 3. a rectangular chute; 4. a lock pin; 5. hollowing out; 6. buckling; 7. a raised post; 8. a slider; 9. a through hole; 10. a bearing rod; 11. rotating the chute; 12. a lock sleeve; 13. a restraining groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a locking protection device for an automobile door comprises a device shell 1 and a lock sleeve 12, wherein a buckling groove 2 is formed in the right end of the device shell 1, a rectangular sliding groove 3 is formed in the inner surface of the device shell 1, a lock pin 4 is arranged inside the device shell 1, a hollow part 5 is formed in the surface of the lock pin 4, a buckle 6 is fixedly connected to the surface of the lock pin 4, a protruding column 7 is fixedly connected to the inner surface of the lock pin 4, a sliding block 8 is fixedly connected to the surface of the lock pin 4, a through hole 9 is formed in the left side surface of the device shell 1, a bearing rod 10 is rotatably connected to the inside of the through hole 9, one end of a rotating sliding groove 11 is fixedly connected to the surface of the bearing rod 10, and a limiting groove 13 is formed in the inner surface of the lock sleeve 12.

Wherein, the device shell 1 is cylindrical and the interior thereof is hollow; the two buckle grooves 2 are symmetrical about the circle center of the device shell 1, and the buckle grooves 2 are matched with the buckles 6 and are arc-shaped grooves.

The lock pin 4 is cylindrical, and a section of hollow lock pin is arranged in the lock pin 4 and matched with the device shell 1; the number of the hollow parts 5 is three, and the hollow parts rotate one hundred and twenty degrees and are symmetrical about the circle center of the lock pin 4 respectively.

The number of the buckles 6 is two, the buckles are fixedly connected with the outer surface of the lock pin 4 close to the right end, and the buckles are symmetrical about the circle center of the lock pin 4.

The protruding column 7 is matched with the rotating chute 11; the positions of the slide block 8 and the convex column 7 fixedly connected with the lock pin 4 are the inner surface and the outer surface of the same part of the lock pin 4.

The slide block 8 is matched with the rectangular chute 3; the center of the through hole 9 and the center of the rectangular sliding chute 3 are symmetrical about the circle center of the lock pin 4; the bearing rod 10 passes through one of the openings 5 and is located in the center of this opening 5.

The lock sleeve 12 is cylindrical, the left end of the lock sleeve is provided with a cylindrical hollow with the diameter equal to that of the lock pin 4, the lock sleeve 12 is arranged on the right side of the device shell 1 and matched with the lock pin 4, and the lock sleeve 12 is flush with the device shell 1.

The two limiting grooves 13 are symmetrical about the center of the lock sleeve 12, the two limiting grooves 13 are respectively matched with the two buckles 6, and the limiting grooves 13 are U-shaped.

Operation and principle of the device for the protection of the vehicle door against blocking in the initial state are as claimed in the claims and in fig. 1 to 3.

When the door is locked to needs, starting drive, outside motor clockwise rotation half a circle, drive the bearing rod 10 clockwise rotation half a circle of being connected with outside motor, drive rather than fixed connection's rotation spout 11 rotation half a circle, drive and rotate 11 complex protruding posts 7 and remove, because the right side surface of lockpin 4 and the position fixed connection that protruding posts 7 correspond have been connected slider 8, and slider 8 and 3 sliding connection of rectangle spout, so protruding posts 7 move clockwise along the orbit of rectangle spout 3.

The lock pin 4 fixedly connected with the protruding column 7 moves along with the movement, namely the lock pin 4 rotates firstly and then moves rightwards, the lock sleeve 12 is inserted, the buckle 6 fixedly connected with the lock pin 4 also rotates firstly and then moves rightwards, then the lock pin 4 is inserted into the limiting groove 13, the lock pin 4 rotates reversely to the same angle as before after moving to the bottom, the buckle 6 moves to the bottom of the vertical part of the limiting groove 13, and the lock pin 4 cannot move leftwards and rightwards and is clamped.

The above process can be referred to fig. 5 and 6.

When the door needs to be unlocked and opened, the device is started again, the external motor continues to rotate clockwise for a half circle, the lock pin 4 moves out of the lock sleeve 12 in the same way, and the door is unlocked.

In conclusion, this locking protection device of car door uses through the cooperation of buckle groove 2, rectangle spout 3, lockpin 4, buckle 6, protruding post 7, slider 8, bearing rod 10, rotation spout 11 and restriction groove 13 to reached the door and locked the back, lockpin 4 is blocked and can not be controlled and move about, makes lockpin 4 insert always in lock sleeve 12, can not shift out because of the accident, thereby guarantees the dead effect of door lock always.

The locking protection device for the automobile door is additionally provided with a protection device for the automobile door lock, so that the lock pin 4 is always inserted into the lock sleeve 12, the automobile door cannot be accidentally unlocked due to accidental moving out, the automobile door cannot be opened when the automobile runs at a high speed, and the life safety of personnel in the automobile is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dead lock protection device of car door, includes device shell (1) and lock sleeve (12), its characterized in that: the device is characterized in that a clamping groove (2) is formed in the right end of the device shell (1), a rectangular sliding groove (3) is formed in the inner surface of the device shell (1), a lock pin (4) is arranged in the device shell (1), a hollow part (5) is formed in the surface of the lock pin (4), a clamp (6) is fixedly connected to the surface of the lock pin (4), a protruding column (7) is fixedly connected to the inner surface of the lock pin (4), a sliding block (8) is fixedly connected to the surface of the lock pin (4), a through hole (9) is formed in the left side surface of the device shell (1), a bearing rod (10) is rotatably connected to the inside of the through hole (9), one end of a rotating sliding groove (11) is fixedly connected to the surface of the bearing rod (10), and a limiting groove (13) is formed in the inner surface of a lock sleeve (12); the device shell (1) is cylindrical and hollow inside; the number of the buckle grooves (2) is two, the buckle grooves are symmetrical about the circle center of the device shell (1), and the buckle grooves (2) are matched with the buckles (6) and are arc-shaped grooves; the lock pin (4) is cylindrical, a section of hollow lock pin is arranged in the lock pin (4), and the lock pin is matched with the device shell (1); the number of the hollow parts (5) is three, and the three hollow parts rotate one hundred and twenty degrees and are symmetrical about the circle center of the lock pin (4) respectively; the two buckles (6) are fixedly connected with the outer surface of the lock pin (4) close to the right end and are symmetrical about the circle center of the lock pin (4); the protruding columns (7) are matched with the rotating sliding grooves (11); the slide block (8), the protruding column (7) and the lock pin (4) are fixedly connected at the inner surface and the outer surface of the same part of the lock pin (4); the sliding block (8) is matched with the rectangular sliding groove (3); the center of the through hole (9) and the center of the rectangular sliding chute (3) are symmetrical about the circle center of the lock pin (4); the bearing rod (10) penetrates through one of the hollows (5) and is positioned in the center of the hollow (5); the lock sleeve (12) is cylindrical, the left end of the lock sleeve is provided with a cylindrical hollow part with the diameter equal to that of the lock pin (4), the lock sleeve (12) is arranged on the right side of the device shell (1) and matched with the lock pin (4), and the lock sleeve (12) is flush with the device shell (1); the two limiting grooves (13) are symmetrical about the circle center of the lock sleeve (12), the two limiting grooves (13) are respectively matched with the two buckles (6), and the limiting grooves (13) are U-shaped.