CN113202362A

CN113202362A - Car door lock body structure with dual locking function

Info

Publication number: CN113202362A
Application number: CN202110489615.5A
Authority: CN
Inventors: 周菊红; 蒋诗侠; 胡占军; 苏军启; 谭川; 陈丹; 隋晓慧
Original assignee: Dongfeng Commercial Vehicle Co Ltd
Current assignee: Dongfeng Commercial Vehicle Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-08-03

Abstract

The application relates to a car door lock body structure with dual locking function belongs to car door lock technical field, includes: the opening linkage arm assembly comprises an opening linkage arm, a locking pin swing arm and a locking pin, wherein the locking pin is fixedly connected to one end of the locking pin swing arm, and the locking pin swing arm is rotatably connected with the opening linkage arm; the inner and outer opening arms are rotatably connected with the opening linkage arm, one ends of the inner and outer opening arms are provided with hooks for hooking the locking pins, and the inner and outer opening arms drive the opening linkage arm to swing by hooking the locking pins so as to open the vehicle door; secondary locking mechanism, it includes secondary lock swing arm, after the one end of secondary lock swing arm and the other end butt of locking round pin swing arm to make the locking round pin deviate from in the couple of the arm is opened from inside and outside to the messenger. When needs locked the door in the car, utilize secondary lock swing arm and locking round pin swing arm butt, the locking round pin swing arm is deviate from in the couple of locking round pin from inside and outside opening arm, makes inside and outside opening arm unable open the door, has ensured driver's personal and property safety.

Description

Car door lock body structure with dual locking function

Technical Field

The application relates to the technical field of automobile door locks, in particular to an automobile door lock body structure with dual locking functions.

Background

With the development of the times, the progress of automobile technology is also changing day by day. The automobile lock is an important part of an automobile, is directly related to the safety of passengers in the running process of the automobile, and is also an anti-theft safety device of the automobile. In the current domestic commercial vehicle industry, a vehicle door lock only has a conventional locking mechanism, and the locking/unlocking operation of the same locking mechanism is realized by controlling through an electric control system such as a mechanical lock cylinder, an inner locking button, a central control remote control and the like.

The driver of the truck usually takes the truck as a home and can have a rest and sleep in the truck, the door lock of the domestic truck has a single function, and the truck can illegally enter a cab by means of damaging a lock cylinder, simulating a remote controller and the like, so that the personal and property safety of passengers in the cab is threatened.

In order to ensure the personal and property safety of truck drivers, in the related technology, some car dealers are equipped with another set of car door secondary locking mechanism which is independently arranged in a car door, the car door secondary locking mechanism can only carry out locking and unlocking operation in the car through a mechanical button, after the car is locked in the car, the car door cannot be opened even if an unlocking device is used for opening a door lock outside the car, and the condition that the car door is illegally intruded into a cab can be effectively avoided.

However, the structure and weight of the door secondary locking mechanism independently arranged on the door are high, and the appearance and shape design of the door trim panel are affected, so that the door secondary locking mechanism needs to be additionally arranged on the door, and the manufacturing cost of the vehicle is increased.

Disclosure of Invention

The embodiment of the application provides a car door lock body structure with dual locking function to the car door needs additionally to increase door secondary locking mechanism among the solution correlation technique, has improved vehicle manufacturing cost's problem.

The embodiment of the application provides a car door lock body structure with dual locking function, includes:

the unlocking linkage arm assembly comprises an unlocking linkage arm, a locking pin swing arm and a locking pin, wherein the locking pin is fixedly connected to one end of the locking pin swing arm, and the locking pin swing arm is rotatably connected with the unlocking linkage arm;

the inner and outer opening arms are rotatably connected with the opening linkage arm, one end of each inner and outer opening arm is provided with a hook for hooking the locking pin, and the inner and outer opening arms hook the locking pin through the hooks to drive the opening linkage arm to swing so as to open the vehicle door;

and the secondary locking mechanism comprises a secondary lock swing arm, and one end of the secondary lock swing arm is abutted against the other end of the locking pin swing arm, so that the locking pin is separated from the hook of the inner and outer opening arms.

The linkage arm assembly that opens of door lock body structure of this application embodiment has set up and has opened linkage arm, lock pin swing arm and lock pin, and the lock pin passes through the lock pin swing arm and opens linkage arm and rotate to be connected, still rotates on opening linkage arm to be connected with inside and outside and opens the arm, and the one end of inside and outside opening the arm is equipped with the couple of hooking the lock pin, and when the couple hooked the lock pin, the inside and outside arm of opening opened opens the linkage arm swing through hooking the lock pin drive in order to open the door.

When the door needs to be locked in the vehicle, one end of the secondary lock swing arm of the secondary locking mechanism is abutted against the other end of the locking pin swing arm, and the locking pin swing arm enables the locking pin to be separated from the hook of the inner and outer opening arms, so that the inner and outer opening arms cannot open the door. The door lock body is simple in structure, compact in arrangement and low in cost, and can lock the door from the inside of the vehicle, so that personal and property safety of a driver is guaranteed.

In some embodiments: in order to realize the butt operation of one end of the secondary lock swing arm and the other end of the locking pin swing arm, the secondary locking mechanism further comprises a rocker arm, the other end of the secondary lock swing arm is provided with an opening connected with the rocker arm, and one end of the rocker arm extends into the opening of the secondary lock swing arm to drive the secondary lock swing arm to swing back and forth.

In some embodiments: in order to realize the manual operation of the butt of one end of the secondary lock swing arm and the other end of the lock pin swing arm, the secondary locking mechanism further comprises a secondary locking handle positioned in the car door, a first hanging hole is formed in the other end of the rocker arm, and a pull rod or a pull wire connected with the secondary locking handle is arranged in the first hanging hole.

In some embodiments: in order to realize the automatic operation of the other end butt of the secondary lock swing arm and the locking pin swing arm, the secondary locking mechanism further comprises a secondary locking switch positioned in the car door and a motor connected with the secondary locking switch to drive the rocker to swing back and forth, and the motor is connected with the rocker through a transmission mechanism.

In some embodiments: in order to realize reliable mechanical transmission between the motor and the rocker arm, the transmission mechanism comprises a worm wheel and a worm which are meshed with each other, the worm is fixedly connected with an output shaft of the motor, a mounting hole fixedly connected with the worm wheel is formed in the middle of the rocker arm, and the rocker arm is fixedly connected with the worm wheel through a screw.

In some embodiments: in order to realize reliable mechanical transmission between the motor and the rocker arm, the transmission mechanism comprises a driving gear and a driven gear which are meshed with each other, the driving gear is fixedly connected with an output shaft of the motor, a mounting hole fixedly connected with the driven gear is formed in the middle of the rocker arm, and the rocker arm is fixedly connected with the driven gear through a screw.

In some embodiments: in order to realize the locking pin swing arm free rotation on opening the linkage arm, the fixed locking pin pivot that is equipped with in middle part of locking pin swing arm, open be equipped with on the linkage arm with the pinhole that the locking pin pivot rotated to be connected, the locking pin swing arm uses the locking pin pivot to make a round trip to swing as the center.

In some embodiments: in order to realize the connection of the inner and outer opening arms and the outer opening handle of the vehicle door, the vehicle door is opened outside the vehicle, the vehicle door further comprises the outer opening arm connected with the outer opening handle of the vehicle door, the outer opening arm, the inner and outer opening arms and the opening linkage arm are rotationally connected through a fixing pin, and a first folding edge abutted against the outer opening arm is arranged at one end, close to the hook, of the inner and outer opening arm;

the one end that the arm was kept away from outward the fixed pin is equipped with the second hanging hole, be equipped with in the second hanging hole and connect the door opens the pull rod or the acting as go-between of handle outward.

In some embodiments: in order to realize the connection of the inner and outer opening arms and the inner opening handle of the vehicle door, the vehicle door is opened in the vehicle, the vehicle door further comprises the inner opening arm connected with the inner opening handle of the vehicle door, a second folded edge abutted against the inner opening arm is arranged at one end of the inner and outer opening arm, which is far away from the hook, and a crank arm abutted against the second folded edge is arranged at one end of the inner opening arm;

the other end of the inner opening arm is provided with a third hanging hole, and a pull rod or a pull wire connected with an opening handle in the car door is arranged in the third hanging hole.

In some embodiments: in order to realize the connection of the inner and outer opening arms and the outer opening lock core, lock the vehicle door outside the vehicle and realize the automatic lock-falling function, the vehicle door lock further comprises the inner and outer locking arms connected with the outer opening lock core, and one end of the inner and outer locking arms is arranged on a stop block which enables the locking pin to be separated from a hook of the inner and outer opening arms;

the other end of the inner and outer locking arms is connected with an inner locking swing arm, and the inner locking swing arm swings the inner and outer locking arms to enable a locking pin to be separated from hooks of the inner and outer opening arms.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a vehicle door lock body structure with double locking functions, and the vehicle door lock body structure integrates an opening linkage arm assembly, wherein the opening linkage arm assembly comprises an opening linkage arm, a locking pin swing arm and a locking pin, the locking pin is fixedly connected to one end of the locking pin swing arm, and the locking pin swing arm is rotatably connected with the opening linkage arm; the inner and outer opening arms are rotatably connected with the opening linkage arm, one end of each inner and outer opening arm is provided with a hook for hooking the locking pin, and the inner and outer opening arms drive the opening linkage arm to swing to open the vehicle door by hooking the locking pin through the hooks; secondary locking mechanism, secondary locking mechanism include secondary lock swing arm, after the one end of secondary lock swing arm and the other end butt of locking round pin swing arm to make the locking round pin follow deviate from in the couple of inside and outside opening arm.

Therefore, the linkage arm assembly that opens of this application car door lock body structure has set up and has opened linkage arm, lock pin swing arm and lock pin, and the lock pin passes through the lock pin swing arm and opens linkage arm and rotate to be connected, still rotates on opening linkage arm to be connected with inside and outside and opens the arm, and the one end of inside and outside opening the arm is equipped with the couple of hooking the lock pin, and when the couple hooked the lock pin, inside and outside opening the arm and open linkage arm swing through hooking the lock pin drive in order to open the door. When the door needs to be locked in the vehicle, one end of the secondary lock swing arm of the secondary locking mechanism is abutted against the other end of the locking pin swing arm, and the locking pin swing arm enables the locking pin to be separated from the hook of the inner and outer opening arms, so that the inner and outer opening arms cannot open the door. The door lock body is simple in structure, compact in arrangement and low in cost, and can lock the door from the inside of the vehicle, so that personal and property safety of a driver is guaranteed.

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 an embodiment of the present application;

FIG. 2 is an exploded view of the structure of the embodiment of the present application without the secondary locking mechanism;

FIG. 3 is a schematic structural view of an opening linkage arm assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a secondary locking mechanism according to an embodiment of the present application;

FIG. 5 is a schematic structural view of an inner and outer opening arm according to an embodiment of the present application;

FIG. 6 is a schematic structural view of an opening arm and a fixing pin according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an opening arm according to an embodiment of the present application;

fig. 8 is a schematic structural view of the inner and outer locking arms according to the embodiment of the present application.

Reference numerals:

1. opening the linkage arm assembly; 11. opening the linkage arm; 12. a locking pin swing arm; 13. a locking pin; 14. a locking pin rotating shaft;

2. an inner and outer opening arm; 21. hooking; 22. a first folded edge; 23. a second folded edge;

3. a secondary locking mechanism; 31. secondary locking swing arms; 32. a rocker arm; 33. a motor; 34. a worm; 35. a turbine; 36. secondary locking swing arm rotating shafts;

4. an outer opening arm; 41. a second hanging hole; 42. thirdly, folding;

5. an inner opening arm; 51. a crank arm; 52. a third hanging hole; 53. an inner opening arm rotating shaft;

6. an inner and outer locking arm; 61. a stopper; 62. a ball head; 63. a lock cylinder mounting hole; 64. an inner and outer locking arm rotating shaft;

7. an inner locking swing arm; 8. and fixing the pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

The embodiment of the application provides a car door lock body structure with dual locking function, and it can solve among the correlation technique car door and need additionally increase door secondary locking mechanism, has improved vehicle manufacturing cost's problem.

Referring to fig. 1 to 5, an embodiment of the present application provides a vehicle door lock body structure with a dual-locking function, including:

the opening linkage arm assembly 1 comprises an opening linkage arm 11, a locking pin swing arm 12 and a locking pin 13, wherein the locking pin 13 is fixedly connected to one end of the locking pin swing arm 12, and the locking pin swing arm 12 is rotatably connected with the opening linkage arm 11. The opening linkage arm 11 is connected with a vehicle door lock tongue (not shown in the figure), and when the opening linkage arm 11 drives the vehicle door lock tongue to act, the vehicle door lock tongue opens the vehicle door.

The inner and outer opening arm 2 is rotatably connected with the opening linkage arm 11 through a fixing pin 8, one end of the inner and outer opening arm 2 is provided with a hook 21 for hooking a locking pin 13, and the inner and outer opening arm 2 hooks the locking pin 13 through the hook 21 to drive the opening linkage arm 11 to swing so as to open the vehicle door. The inner and outer opening arms 2 are controlled by a vehicle door outer opening handle and a vehicle door inner opening handle, and the vehicle door outer opening handle and the vehicle door inner opening handle control the movement of the inner and outer opening arms 2.

Secondary locking mechanism 3, this secondary locking mechanism 3 include secondary lock swing arm 31, after the other end butt of secondary lock swing arm 31 and locking round pin swing arm 12 to make locking round pin 13 break away from in the couple 21 of arm 2 is opened from inside and outside. The action of the secondary lock swing arm 31 is only controlled by a passenger in the cab, and after the passenger in the cab controls the action of the secondary lock swing arm 31 to release the locking pin 13 from the hook 21 of the inner and outer opening arms 2, the inner and outer opening arms 2 cannot open the vehicle door, so that the purpose that the vehicle door cannot be opened outside the vehicle is achieved.

The linkage arm assembly 1 that opens of door lock body structure of this application embodiment has set up and has opened linkage arm 11, lockpin swing arm 12 and lockpin 13, lockpin 13 through lockpin swing arm 12 with open linkage arm 11 and rotate and be connected, still rotate on opening linkage arm 11 and be connected with inside and outside arm 2 that opens, the one end of inside and outside arm 2 that opens is equipped with the couple 21 that hooks lockpin 13, when couple 21 hooks lockpin 13, inside and outside arm 2 that opens the linkage arm 11 swing through hooking the drive of lockpin 13 and in order to open the door.

When the door needs to be locked in the vehicle, the locking pin 13 is separated from the hook 21 of the inside and outside opening arm 2 by the locking pin swing arm 12 by abutting one end of the secondary lock swing arm 31 of the secondary locking mechanism 3 against the other end of the locking pin swing arm 12, so that the inside and outside opening arm 2 cannot open the door. The door lock body is simple in structure, compact in arrangement and low in cost, and can lock the door from the inside of the vehicle, so that personal and property safety of a driver is guaranteed.

In some alternative embodiments: referring to fig. 4, the embodiment of the present application provides a vehicle door lock structure with a dual locking function, the secondary locking mechanism 3 of the vehicle door lock structure further includes a rocker arm 32, a gap connected to the rocker arm 32 is formed at the other end of the secondary locking swing arm 31, and one end of the rocker arm 32 extends into the gap of the secondary locking swing arm 31 to drive the secondary locking swing arm 31 to swing back and forth. The middle part of the secondary lock swing arm 31 is provided with a secondary lock swing arm rotating shaft 36, and the secondary lock swing arm 31 swings back and forth by taking the secondary lock swing arm rotating shaft 36 as a center.

The secondary locking mechanism 3 further comprises a secondary locking handle (not shown in the figure) located in the door, the other end of the rocker arm 32 is provided with a first hanging hole (not shown in the figure), and a pull rod or a pull wire (not shown in the figure) connected with the secondary locking handle is arranged in the first hanging hole. The rocker 32 is used for driving the secondary locking swing arm 31 to swing back and forth by taking a secondary locking swing arm rotating shaft 36 as a center, and the rocker 32 can be driven by a secondary locking handle and a pull rod or a pull wire positioned in the vehicle door, so that a passenger in a cab manually locks the vehicle door.

In some alternative embodiments: referring to fig. 4, the embodiment of the present application provides a vehicle door lock body structure with a dual-locking function, the secondary locking mechanism of the vehicle door lock body structure further includes a secondary locking switch (not shown) located inside the vehicle door and a motor 33 connected to the secondary locking switch for driving the rocker arm 32 to swing back and forth, and the motor 33 is connected to the rocker arm 32 through a transmission mechanism.

The transmission mechanism comprises a turbine 35 and a worm 34 which are meshed and connected with each other, the worm 34 is fixedly connected with an output shaft of the motor 33, a mounting hole fixedly connected with the turbine 35 is formed in the middle of the rocker arm 32, and the rocker arm 32 is fixedly connected with the turbine 35 through a screw. The motor 33 drives the worm 34 to rotate through forward and reverse rotation, the worm wheel 35 and the worm 34 are meshed and connected to drive the worm wheel 35 to rotate, and the rocker 32 on the worm wheel 35 swings back and forth along with the worm wheel 35.

Next, the rocker arm 32 drives the secondary lock swing arm 31 to swing back and forth around the secondary lock swing arm rotating shaft 36 by swinging back and forth, finally, one end of the secondary lock swing arm 31 abuts against the other end of the lock pin swing arm 12, the lock pin swing arm 12 releases the lock pin 13 from the hook 21 of the inside and outside opening arm 2, so that the inside and outside opening arm 2 cannot open the vehicle door, and automatic control of the secondary lock mechanism is realized.

The transmission mechanism comprises a driving gear (not shown in the figure) and a driven gear (not shown in the figure) which are meshed with each other, the driving gear is fixedly connected with an output shaft of the motor 33, a mounting hole fixedly connected with the driven gear is formed in the middle of the rocker arm 32, and the rocker arm 32 is fixedly connected with the driven gear through a screw. The motor 33 drives the driving gear to rotate through forward and reverse rotation, the driving gear is meshed with the driven gear to drive the driven gear to rotate, and the rocker 32 on the driven gear swings back and forth along with the driven gear.

In some alternative embodiments: referring to fig. 3, in the present embodiment, a vehicle door lock body structure with a dual-locking function is provided, a lock pin rotating shaft 14 is fixedly disposed in a middle portion of a lock pin swing arm 12 of the vehicle door lock body structure, a pin hole rotatably connected to the lock pin rotating shaft 14 is disposed on an opening linkage arm 11, and the lock pin swing arm 12 swings back and forth around the lock pin rotating shaft 14.

Open linkage arm 11 and locking round pin swing arm 12 and be the sheet metal component, locking round pin 13 is located the one end of locking round pin swing arm 12 and is connected perpendicularly with locking round pin swing arm 12, and locking round pin pivot 14 is located the middle part of locking round pin swing arm 12 and is connected perpendicularly with locking round pin swing arm 12. The locking pin swing arm 12 swings back and forth on the opening linkage arm 11 centering on the locking pin rotation shaft 14.

In some alternative embodiments: referring to fig. 1, 2, 5 and 6, the present application provides a vehicle door lock structure with a dual-locking function, the vehicle door lock structure further includes an external opening arm 4 connected to an external door opening handle (not shown), and the external opening arm 4, the internal and external opening arms 2 and an opening linkage arm 11 are rotatably connected together through a fixing pin 8. A first folding edge 22 abutting against the outer opening arm 4 is provided at one end of the inner and outer opening arms 2 near the hook 21.

The one end of opening arm 4 outward and keeping away from fixed pin 8 is equipped with second hanging hole 41, is equipped with the pull rod or the acting as go-between (not shown in the figure) of connecting the outer handle of opening of door in second hanging hole 41, and when opening arm 4 outward and receiving the outer handle of opening of door and pull rod or act as go-between pulling, outer arm of opening 4 drives inside and outside opening arm 2 through first hem 22 and uses fixed pin 8 as the swing of center. The end of the outer opening arm 4 far away from the second hanging hole 41 is provided with a third folded edge 42, the third folded edge 42 is abutted to the inner and outer opening arms 2, and when the outer opening arm 4 is pulled by an outer opening handle of the door and a pull rod or a pull wire, the outer opening arm 4 drives the inner and outer opening arms 2 to swing by taking the fixing pin 8 as the center through the third folded edge 42.

In some alternative embodiments: referring to fig. 1, 2, 5 and 7, the embodiment of the present application provides a vehicle door lock structure with a dual-locking function, which further includes an inner opening arm 5 connected to an inner opening handle (not shown) of a vehicle door, a second flange 23 abutting against the inner opening arm 5 is provided at an end of the inner opening arm 2 away from the hook 21, and a crank arm 51 abutting against the second flange 23 is provided at an end of the inner opening arm 5.

The other end of the inner opening arm 5 is provided with a third hanging hole 52, and a pull rod or a pull wire (not shown in the figure) connected with an opening handle in the vehicle door is arranged in the third hanging hole. When the inner opening arm 5 is pulled by the inner door opening handle and the pull rod or the pull wire, the inner opening arm 5 drives the inner and outer opening arms 2 to swing by taking the fixed pin 8 as the center through the crank arm 51. An inner opening arm rotating shaft 53 is arranged in the middle of the inner opening arm 5, and when the inner opening arm 5 is pulled by the door outer opening handle and the pull rod or the pull wire, the inner opening arm 5 swings around the inner opening arm rotating shaft 53 as the center.

In some alternative embodiments: referring to fig. 1, 2 and 8, the present embodiment provides a vehicle door lock structure with dual-locking function, which further includes an inner and outer locking arms 6 connected to an outer opening lock cylinder (not shown), and a stopper 61 is provided at one end of the inner and outer locking arms 6 to pull out the locking pin 13 from the hook 21 of the inner and outer opening arms 2.

The inner and outer locking arms 6 are provided with inner and outer locking arm rotating shafts 64, and the inner and outer locking arms 6 swing back and forth around the inner and outer locking arm rotating shafts 64. The inner and outer locking arms 6 are also provided with lock cylinder mounting holes 63 connected with the outer opening lock cylinder, the outer opening lock cylinder can drive the inner and outer locking arms 6 to swing back and forth by a key by taking the inner and outer locking arm rotating shaft 64 as a center, and the locking pin 13 is separated from the hook 21 of the inner and outer opening arm 2 by the inner and outer locking arm rotating shaft 64 in the swinging process, so that the outer opening lock cylinder outside the vehicle door can not open the vehicle door.

The inner and outer locking arms 6 are controlled by the outer opening lock cylinder, the inner and outer locking arms 6 can be provided with an electric control remote control lock, the electric control remote control lock is arranged on the inner and outer locking arms 6 to receive opening and closing signal instructions of a remote control key, and the opening and closing signal instructions of the remote control key are matched with the electric control remote control lock to realize door opening and closing actions. The remote control key sends weak electric waves, the automobile antenna receives signals of the electric waves, the signal codes are identified through the remote control module, and then the electric control remote control lock (a motor or an electromagnetic coil) executes the actions of opening and closing the automobile door.

An inner locking swing arm 7 is connected to the other end of the inner and outer locking arm 6, and the inner locking swing arm 7 swings the inner and outer locking arm 6 to disengage the locking pin 13 from the hook 21 of the inner and outer opening arm 2. The other end of the inner and outer locking arms 6 is provided with a ball head 62 connected with the inner locking swing arm 7, the inner locking swing arm 7 is connected with an automatic locking system, when the vehicle speed reaches a set target vehicle speed, the automatic locking system controls the inner locking swing arm 7 to move, the inner locking swing arm 7 drives the inner and outer locking arms 6 to swing through the ball head 62, the inner and outer locking arms 6 enable the locking pin 13 to be separated from the hook 21 of the inner and outer opening arms 2 through swinging, and the vehicle door cannot be opened outside the vehicle door.

Principle of operation

The embodiment of the application provides a vehicle door lock body structure with a double-locking function, and as the vehicle door lock body structure integrates an opening linkage arm assembly 1, the opening linkage arm assembly 1 comprises an opening linkage arm 11, a locking pin swing arm 12 and a locking pin 13, the locking pin 13 is fixedly connected to one end of the locking pin swing arm 12, and the locking pin swing arm 12 is rotatably connected with the opening linkage arm 11; the inner and outer opening arms 2 are rotatably connected with the opening linkage arm 11, one end of each inner and outer opening arm 2 is provided with a hook 21 for hooking the locking pin 13, and the inner and outer opening arms 2 hook the locking pin 13 through the hooks 21 to drive the opening linkage arm 11 to swing so as to open the vehicle door; secondary locking mechanism 3, secondary locking mechanism 3 include secondary lock swing arm 31, after the other end butt of secondary lock swing arm 31 and locking round pin swing arm 12 to make locking round pin 13 break away from in the couple 21 of arm 2 is opened from inside and outside.

Therefore, this application car door lock body structure open linkage arm assembly 1 has set up and has opened linkage arm 11, lockpin swing arm 12 and lockpin 13, lockpin 13 through lockpin swing arm 12 with open linkage arm 11 and rotate and be connected, still rotate on opening linkage arm 11 and be connected with inside and outside arm 2 that opens, the one end of inside and outside arm 2 that opens is equipped with the couple 21 of hooking lockpin 13, when couple 21 hooks lockpin 13, inside and outside arm 2 that opens the swing of linkage arm 11 through hooking the drive of lockpin 13 in order to open the door. When the door needs to be locked in the vehicle, the locking pin 13 is separated from the hook 21 of the inside and outside opening arm 2 by the locking pin swing arm 12 by abutting one end of the secondary lock swing arm 31 of the secondary locking mechanism 3 against the other end of the locking pin swing arm 12, so that the inside and outside opening arm 2 cannot open the door. The door lock body is simple in structure, compact in arrangement and low in cost, and can lock the door from the inside of the vehicle, so that personal and property safety of a driver is guaranteed.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vehicle door lock body structure with double locking functions is characterized by comprising:

the unlocking linkage arm assembly (1) comprises an unlocking linkage arm (11), a locking pin swing arm (12) and a locking pin (13), wherein the locking pin (13) is fixedly connected to one end of the locking pin swing arm (12), and the locking pin swing arm (12) is rotatably connected with the unlocking linkage arm (11);

the inner and outer opening arms (2) are rotatably connected with the opening linkage arm (11), one end of each inner and outer opening arm (2) is provided with a hook (21) which hooks the locking pin (13), and the inner and outer opening arms (2) hook the locking pin (13) through the hooks (21) to drive the opening linkage arm (11) to swing so as to open the vehicle door;

secondary locking mechanism (3), secondary locking mechanism (3) are including secondary lock swing arm (31), work as the one end of secondary lock swing arm (31) with behind the other end butt of lock round pin swing arm (12), so that lock round pin (13) are followed break away from in couple (21) of inside and outside open arm (2).

2. The vehicle door lock body structure with the double-locking function as claimed in claim 1, wherein:

the secondary locking mechanism (3) further comprises a rocker arm (32), the other end of the secondary locking swing arm (31) is provided with an opening connected with the rocker arm (32), and one end of the rocker arm (32) extends into the opening of the secondary locking swing arm (31) to drive the secondary locking swing arm (31) to swing back and forth.

3. The vehicle door lock body structure with the double-locking function as claimed in claim 2, wherein:

the secondary locking mechanism (3) further comprises a secondary locking handle positioned in the car door, a first hanging hole is formed in the other end of the rocker arm (32), and a pull rod or a pull wire connected with the secondary locking handle is arranged in the first hanging hole.

4. The vehicle door lock body structure with the double-locking function as claimed in claim 2, wherein:

the secondary locking mechanism (3) further comprises a secondary locking switch positioned in the car door and a motor (33) connected with the secondary locking switch for driving the rocker arm (32) to swing back and forth, and the motor (33) is connected with the rocker arm (32) through a transmission mechanism.

5. The vehicle door lock body structure with a double-locking function as claimed in claim 4, wherein:

the transmission mechanism comprises a turbine (35) and a worm (34) which are connected in a meshed mode, the worm (34) is fixedly connected with an output shaft of the motor (33), a mounting hole fixedly connected with the turbine (35) is formed in the middle of the rocker arm (32), and the rocker arm (32) is fixedly connected with the turbine (35) through a screw.

6. The vehicle door lock body structure with a double-locking function as claimed in claim 4, wherein:

the transmission mechanism comprises a driving gear and a driven gear which are meshed with each other, the driving gear is fixedly connected with an output shaft of the motor (33), a mounting hole fixedly connected with the driven gear is formed in the middle of the rocker arm (32), and the rocker arm (32) is fixedly connected with the driven gear through a screw.

7. The vehicle door lock body structure with the double-locking function as claimed in claim 1, wherein:

the middle part of locking round pin swing arm (12) is fixed and is equipped with locking round pin pivot (14), open be equipped with on linkage arm (11) with locking round pin pivot (14) rotate the pinhole of connecting, locking round pin swing arm (12) use locking round pin pivot (14) as the swing back and forth of center.

8. The vehicle door lock body structure with the double-locking function as claimed in claim 1, wherein:

the automobile door opening device is characterized by further comprising an outer opening arm (4) connected with an automobile door outer opening handle, the outer opening arm (4), the inner and outer opening arm (2) and the opening linkage arm (11) are rotatably connected through a fixing pin (8), and a first folding edge (22) abutted against the outer opening arm (4) is arranged at one end, close to the hook (21), of the inner and outer opening arm (2);

the one end that outer opening arm (4) kept away from fixed pin (8) is equipped with second hanging hole (41), be equipped with in second hanging hole (41) and connect the door is opened the pull rod or the acting as go-between of handle outward.

9. The vehicle door lock body structure with the double-locking function as claimed in claim 1, wherein:

the automobile door lock further comprises an inner opening arm (5) connected with the inner opening handle of the automobile door, a second folded edge (23) abutted against the inner opening arm (5) is arranged at one end, far away from the hook (21), of the inner and outer opening arm (2), and a crank arm (51) abutted against the second folded edge (23) is arranged at one end of the inner opening arm (5);

the other end of the inner opening arm (5) is provided with a third hanging hole (52), and a pull rod or a pull wire connected with the inner opening handle of the car door is arranged in the third hanging hole (52).

10. The vehicle door lock body structure with the double-locking function as claimed in claim 1, wherein:

the locking mechanism further comprises an inner locking arm and an outer locking arm (6) connected with the outer opening lock cylinder, wherein one end of the inner locking arm and the outer locking arm (6) is arranged on a stop block (61) which enables the locking pin (13) to be separated from a hook (21) of the inner opening arm and the outer opening arm (2);

the other end of the inner and outer locking arms (6) is connected with an inner locking swing arm (7), and the inner locking swing arm (7) swings the inner and outer locking arms (6) to enable a locking pin (13) to be disengaged from a hook (21) of the inner and outer opening arms (2).