Multi-mode car door lock

By arranging corresponding structures on the locking paddle and the linkage paddle, the vehicle door lock can realize multiple modes of locking and unlocking, solving the problem of complex structure and narrow application range of existing vehicle door locks and realizing wider application.

CN223446819UActive Publication Date: 2025-10-17XUZHOU FLANDERS IND TECH CO LTD
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Patent Information

Application Number
CN202422916071.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-17
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing car door locks have complex structures and do not support multiple modes of locking and unlocking, and have a limited scope of application.

Method used

A multi-mode car door lock is designed. By providing a pulling end on the locking paddle and a driving part on the connecting paddle, it can be connected with an electronically controlled drive component or a manual drive component to achieve locking and unlocking in multiple modes.

Benefits of technology

The applicable scope of the vehicle door lock is improved, the structure is simple, and the production and use are convenient.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223446819U_ABST
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Abstract

When the multi-mode car door lock is used, after a locking shifting piece is driven to rotate through an outer side lock cylinder or an inner side manually / electrically to enable the locking end of the locking shifting piece to be separated from an abutting plate on a linkage shifting piece for unlocking, an unlocking pull plate is pulled outwards, and then a first rotating rod and a second rotating rod rotate inwards; a first extension part on a first rotating shaft drives a pushing rod to abut against an abutting plate pushing a linkage shifting piece, then the linkage shifting piece is driven to rotate by a certain angle around the rotating shaft, and then a first connecting plate and a second connecting plate on the linkage shifting piece drive a heaven and earth rod lock or an up-down buckle lock to move and unlock; in addition, a driving part on a linkage shifting piece can be manually / electrically driven on the inner side to drive the linkage shifting piece to rotate, so that a first connecting plate and a second connecting plate drive a heaven and earth rod lock or an up-down buckle lock to move and unlock, then the automobile door lock can be locked and unlocked in multiple modes, the application range of the automobile door lock is widened, and the automobile door lock is simple in structure and convenient to use. The production and use are convenient.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle door lock, in particular to a multi-mode vehicle door lock. BACKGROUND

[0002] The vehicle door lock is a locking device specially designed for vehicles, widely used in pickup trucks, modified vehicles, motor homes and special vehicles, with high safety, multi-functionality and environmental adaptability. Its main functions include ensuring the stable locking of the vehicle door, preventing accidental opening during driving, anti-theft protection and adapting to outdoor harsh conditions. The vehicle door lock is composed of a lock body, a lock catch, an operating system and a protective design. The common types are mechanical locks, electronic locks and intelligent locks. The lock body includes a lock tongue, a spring and a shell, responsible for the closure and locking of the vehicle door. The lock catch is installed on the vehicle door frame and used in conjunction with the lock body to fix the vehicle door. The operating system includes a keyhole, an electronic touch panel or a remote control device to achieve unlocking and locking. The protective design enhances the structural strength and uses weather-resistant materials to cope with different working conditions. The pickup truck is suitable for tool box covers, cargo compartment tailgates and cargo compartment side doors, emphasizing the anti-pick performance and durability of the lock. The modified vehicle, such as a mobile shop or a refrigerated truck, requires the vehicle door lock to support special opening and closing functions (such as up-down flip opening and side sliding opening). The motor home requires the vehicle door lock to balance the convenience of daily use and the anti-theft function, often integrated with an intelligent door lock system. Special vehicles such as emergency rescue vehicles and engineering vehicles emphasize quick operation and high reliability. For different needs, the vehicle door lock gradually develops towards durability improvement and multi-function integration, suitable for daily use. However, the existing vehicle door lock structure is relatively complex and does not support multiple mode locking and unlocking, with a low range of application. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies of the prior art, the present application aims to provide a multi-mode vehicle door lock to solve the problems raised in the background art.

[0004] According to an aspect of the present application, a multi-mode vehicle door lock includes a vehicle lock panel, a lock cylinder, an unlocking pull plate, a locking tab, a linkage tab and a push rod, the vehicle lock panel is fixedly installed on the side of a vehicle door, the outer surface of the vehicle lock panel is recessed to form a groove, the lock cylinder is installed on the side of the groove, the unlocking pull plate is installed in the groove, the unlocking pull plate is provided with a rotating rod one and a rotating rod two on both sides, the inner surface of the vehicle lock panel is fixedly provided with a mounting boss, the mounting boss is provided with a through hole on both sides, the rotating rod one and the rotating rod two are rotatably connected with the mounting boss through the through hole, and the rotating rod one and the rotating rod two are respectively provided with an extension one and an extension two, the push rod is rotatably installed on the extension one, a return spring is arranged between the extension two and the mounting boss, the end of the lock cylinder is connected with the middle part of the locking tab and the locking tab can rotate, a torsion spring is arranged between the locking tab and the mounting boss, the middle part of the mounting boss is rotatably provided with the linkage tab through a rotating shaft, the linkage tab is connected with a top-and-bottom rod lock or an up-and-down buckle lock on both sides, the linkage tab is connected with the locking tab, and the linkage tab is in abutting contact with the push rod.

[0005] Preferably, the upper and lower sides of the linkage tab are respectively provided with a connecting plate one and a connecting plate two, and the connecting plate one and the connecting plate two are respectively connected with the top-and-bottom rod lock or the up-and-down buckle lock.

[0006] Preferably, a abutting plate is vertically fixed on the linkage tab near the position of the push rod, one side of the abutting plate is in abutting contact with the end of the push rod, and the other side of the abutting plate is in clamping contact with one end of the locking tab.

[0007] Preferably, a limiting plate is fixed on the upper part of the abutting plate, and the limiting plate is located on the outer side of the push rod and parallel to the length direction of the push rod.

[0008] Preferably, a blocking plate is vertically fixed on the linkage tab near the side of the locking tab.

[0009] Preferably, the linkage tab, the connecting plate one, the connecting plate two, the abutting plate, the limiting plate and the blocking plate are integrally formed.

[0010] Preferably, one end of the locking tab is a pulling end, the other end of the locking tab is a locking end, the locking end is in clamping contact with the abutting plate, the torsion spring is arranged between the locking end and the mounting boss, an arc-shaped limiting slot hole is arranged on the pulling end, a limiting column is fixed on the circular groove, and the limiting column is arranged in the arc-shaped limiting slot hole.

[0011] Preferably, a U-shaped mounting plate is fixed on the rotating shaft at the outer side of the linkage paddle by a nut, and openings are provided on both sides of the U-shaped mounting plate. The connecting plate 1 and the connecting plate 2 of the linkage paddle pass through the openings on both sides of the U-shaped mounting plate respectively, and a shift groove is provided at the side edge of the U-shaped mounting plate near the limit plate, and the limit plate is in contact with the shift groove.

[0012] Preferably, a driving part is fixedly provided on the connecting plate one or the connecting plate two, and the driving part can be connected to the electrically controlled driving part one or the manually controlled driving part one, and the pulling end of the locking paddle can be connected to the electrically controlled driving part two or the manually controlled driving part two, and the locking end of the locking paddle is unlocked and separated from the contact plate by manually or electrically pulling the driving part two, and the linked paddle is driven to rotate by manually or electrically pulling the driving part one, thereby driving the top and bottom rod locks or the upper and lower buckle locks to be unlocked.

[0013] The advantages of the present application over the prior art are: a multi-mode vehicle door lock of the present application can be connected to an electronically controlled drive component or a manual drive component through a pulling end provided on the locking paddle and a driving part provided on the linkage paddle, thereby enabling it to perform locking and unlocking in multiple modes, thereby improving the scope of application of the vehicle door lock, and the vehicle door lock has a simple structure and is easy to produce and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a perspective view of the outer side of a multi-mode door lock according to an embodiment of the present application.

[0015] Figure 2 It is a perspective view of the inner side of a multi-mode door lock according to an embodiment of the present application.

[0016] Figure 3 This is a perspective view of the inner side of a hidden mounting plate of a multi-mode door lock according to an embodiment of the present application.

[0017] Figure 4 This is another perspective of the inner side stereoscopic view of a hidden mounting plate of a multi-mode door lock according to an embodiment of the present application.

[0018] Figure 5 This is a perspective view of the inner side of a hidden mounting plate and a locking paddle of a multi-mode door lock according to an embodiment of the present application.

[0019] Fig. 1 is a vehicle lock panel; 2 is a lock cylinder; 3 is an unlocking pull plate; 31 is a rotating rod one; 311 is an extension one; 32 is a rotating rod two; 321 is an extension two; 4 is a locking tab; 41 is a pulling end; 42 is a locking end; 43 is an arc-shaped limiting slot hole; 44 is a limiting column; 5 is a linkage tab; 51 is a connecting plate one; 52 is a connecting plate two; 53 is a butt plate; 54 is a limiting plate; 55 is a baffle; 56 is a driving part; 6 is a push rod; 7 is a circular groove body; 8 is a mounting boss; 9 is a return spring; 10 is a torsional spring; 11 is a U-shaped mounting plate; 12 is a blocking slot. DETAILED DESCRIPTION

[0020] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component. Figure 1

[0021] As Figures 1-5 ​As shown, a multi-mode vehicle door lock comprises a vehicle lock panel 1, a lock cylinder 2, an unlocking pull plate 3, a locking tab 4, a linkage tab 5 and a push rod 6. The vehicle lock panel 1 is fixedly installed on the side of a vehicle door. A recess is provided on the outer surface of the vehicle lock panel 1. The lock cylinder 2 is provided on the vehicle lock panel 1 at a position on one side of the recess. The lock cylinder 2 is installed in a circular groove 7. The unlocking pull plate 3 is provided in the recess. Two rotating rods 31 and 32 are fixedly provided on the two sides of the unlocking pull plate 3, respectively. An installation boss 8 is fixedly provided on the inner surface of the vehicle lock panel 1. Two through holes are provided on the two sides of the installation boss 8. The rotating rods 31 and 32 pass through the two through holes and are rotatably connected with the installation boss 8. The rotating rods 31 and 32 respectively extend outwardly and are provided with extension parts 311 and 321. The push rod 6 is rotatably installed on the extension part 311. A return spring 9 is provided between the extension part 321 and the installation boss 8. The design is convenient for the unlocking pull plate 3 to return to the original position. The end of the lock cylinder 2 passes through the circular groove 7 and is connected with the middle part of the locking tab 4. The locking tab 4 can rotate around the end. Specifically, one end of the locking tab 4 is a pulling end 41. The other end of the locking tab 4 is a locking end 42. The middle part of the installation boss 8 is rotatably provided with the linkage tab 5 through a rotating shaft. Specifically, the upper and lower sides of the linkage tab 5 are provided with connection plates 51 and 52, respectively. The connection plates 51 and 52 are connected with a top-and-bottom rod lock or an up-and-down lock, respectively. A resisting plate 53 is vertically fixedly provided on the linkage tab 5 near the position of the push rod 6. One side surface of the resisting plate 53 abuts against the end of the push rod 6. The other side surface of the resisting plate 53 abuts against the locking end 42 of the locking tab 4. A torsion spring 10 is provided between the locking end 42 and the installation boss 8. The design is convenient for the locking tab 4 to return to the original position. In addition, an arc-shaped limiting slot hole 43 is provided on the pulling end 41 of the locking tab 4. A limiting column 44 is fixedly provided on the circular groove 7. The limiting column 44 is provided in the arc-shaped limiting slot hole 43. The design can limit the rotation angle range of the locking tab 4 and avoid excessive rotation. In addition, a limiting plate 54 is fixedly provided on the upper part of the resisting plate 53. The limiting plate 54 is located on the outer side of the push rod 6 and the length directions of the two are parallel. The design can ensure the push rod 6 to move in a specified direction. A baffle 55 is vertically fixedly provided on the linkage tab 5 near the position of the locking tab 4. The baffle 55 can also limit the rotation angle of the locking tab 4. The linkage tab 5, the connection plates 51 and 52, the resisting plate 53, the limiting plate 54 and the baffle 55 are integrally formed. The design is convenient for production. A U-shaped installation plate 11 is fixedly provided on the rotating shaft outside the linkage tab 5 through a nut. The two sides of the U-shaped installation plate 11 are both provided with openings. The connection plates 51 and 52 of the linkage tab 5 pass through the openings of the two sides of the U-shaped installation plate 11, respectively. A stop slot 12 is provided on the side of the U-shaped installation plate 11 near the position of the limiting plate 54. The limiting plate 54 is in contact with the stop slot 12. The design can limit the rotation range of the linkage tab 5.

[0022] In one embodiment, the connecting plate one 51 or the connecting plate two 52 is fixedly provided with a driving portion 56, the driving portion 56 can be connected with an electric control driving member one or a manual driving member one, the pulling end 41 of the locking toggle 4 can be connected with an electric control driving member two or a manual driving member two, the locking end 42 of the locking toggle 4 is unlocked and separated from the abutting plate 53 by manually or electrically pulling the driving member two, the driving member one is pulled by hand or electrically to drive the rotating toggle 5 to rotate and further drive the heaven and earth rod lock or the up and down buckle lock to be unlocked, the design can be connected with the electric control driving member or the manual driving member through the pulling end 41 provided on the locking toggle 4 and the driving portion 56 provided on the rotating toggle 5, and further can make it to lock and unlock in multiple modes, and the application range of the vehicle door lock is improved.

[0023] Working principle: when the locking toggle 4 is rotated by the outside lock cylinder 2 or the inside manual / electric driving to make the locking end 42 separated from the abutting plate 53 on the rotating toggle 5, the unlocking pull plate 3 is pulled outward to make the rotating rod one 31 and the rotating rod two 32 rotate inward, the extension one 311 on the rotating rod one 31 drives the push rod 6 to abut against the abutting plate 53 of the rotating toggle 5, the rotating toggle 5 is further driven to rotate around the rotating shaft by a certain angle, the connecting plate one 51 and the connecting plate two 52 on the rotating toggle 5 drive the heaven and earth rod lock or the up and down buckle lock to move and unlock; in addition, the driving portion 56 on the rotating toggle 5 can be driven by the inside manual / electric driving to drive the rotating toggle 5 to rotate, the connecting plate one 51 and the connecting plate two 52 drive the heaven and earth rod lock or the up and down buckle lock to move and unlock.

[0024] The above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit them. Although the embodiments of the present application are described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalents without departing from the spirit and scope defined by the claims of the present application.

Claims

1. A multi-mode vehicle door lock, comprising a vehicle lock panel (1), a lock cylinder (2), an unlocking pull plate (3), a locking paddle (4), a linkage paddle (5) and a push rod (6), characterized in that: The vehicle lock panel (1) is fixedly mounted on the side of a vehicle door, and a groove is provided on the outer surface of the vehicle lock panel (1). A lock core (2) is provided on the vehicle lock panel (1) at a position on one side of the groove. The lock core (2) is mounted in a circular groove body (7), and an unlocking pull plate (3) is provided in the groove. A rotating rod 1 (31) and a rotating rod 2 (32) are fixed on both sides of the unlocking pull plate (3). A mounting boss (8) is fixed on the inner surface of the vehicle lock panel (1), and through holes are provided on both sides of the mounting boss (8). The rotating rod 1 (31) and the rotating rod 2 (32) respectively pass through the through holes on both sides and are rotatably connected to the mounting boss (8), and the rotating rod 1 (31) and the rotating rod 2 (32) respectively extend outwards. An extension part 1 (311) and an extension part 2 (321) are provided, a push rod (6) is rotatably mounted on the extension part 1 (311), a return spring (9) is provided between the extension part 2 (321) and the mounting boss (8), the end of the lock core (2) passes through the circular groove body (7) and is connected to the middle part of the locking paddle (4), and the locking paddle (4) can rotate around it, a torsion spring (10) is provided between the locking paddle (4) and the mounting boss (8), a linkage paddle (5) is provided in the middle part of the mounting boss (8) through a rotating shaft, the two sides of the linkage paddle (5) are respectively connected to the top and bottom rod locks or the upper and lower buckle locks, the linkage paddle (5) is engaged with the locking paddle (4), and the linkage paddle (5) is in contact with the push rod (6).

2. A multi-mode door lock according to claim 1, characterized in that: The upper and lower sides of the linkage paddle (5) are respectively provided with a connecting plate 1 (51) and a connecting plate 2 (52), and the connecting plate 1 (51) and the connecting plate 2 (52) are respectively connected to the top and bottom rod locks or the upper and lower buckle locks.

3. A multi-mode door lock according to claim 2, characterized in that: A contact plate (53) is vertically fixed on the linkage paddle (5) near the push rod (6), one side of the contact plate (53) is in contact with the end of the push rod (6), and the other side of the contact plate (53) is in engagement with one end of the locking paddle (4).

4. The multi-mode door lock according to claim 3, characterized in that: A limiting plate (54) is fixedly provided on the upper portion of the resisting plate (53), and the limiting plate (54) is located outside the pushing rod (6) and the length directions of the two are parallel.

5. The multi-mode door lock according to claim 4, characterized in that: A baffle (55) is vertically fixedly provided on the linkage paddle (5) at a position close to one side of the locking paddle (4).

6. The multi-mode vehicle door lock according to claim 5, characterized in that: The linked paddle (5) is integrally formed with the first connecting plate (51), the second connecting plate (52), the resisting plate (53), the limiting plate (54) and the baffle (55).

7. The multi-mode vehicle door lock according to claim 6, characterized in that: One end of the locking paddle (4) is a pulling end (41), and the other end of the locking paddle (4) is a locking end (42). The locking end (42) is engaged with the contact plate (53). The torsion spring (10) is provided between the locking end (42) and the mounting boss (8). An arc-shaped limiting slot (43) is provided through the pulling end (41). A limiting column (44) is fixed on the circular slot body (7), and the limiting column (44) is provided in the arc-shaped limiting slot (43).

8. The multi-mode vehicle door lock according to claim 7, characterized in that: A U-shaped mounting plate (11) is fixed on the rotating shaft at the outer side of the linkage paddle (5) through a nut, and openings are provided on both sides of the U-shaped mounting plate (11). The connecting plate 1 (51) and the connecting plate 2 (52) of the linkage paddle (5) pass through the openings on both sides of the U-shaped mounting plate (11) respectively. A shifting groove (12) is provided at a position near the limiting plate (54) on the side of the U-shaped mounting plate (11), and the limiting plate (54) is in contact with the shifting groove (12).

9. The multi-mode vehicle door lock according to claim 8, characterized in that: A driving part (56) is fixedly provided on the connecting plate 1 (51) or the connecting plate 2 (52), and the driving part (56) can be connected to the electric control driving part 1 or the manual driving part 1. The pulling end (41) of the locking paddle (4) can be connected to the electric control driving part 2 or the manual driving part 2. The locking end (42) of the locking paddle (4) is unlocked and separated from the contact plate (53) by manually or electrically pulling the driving part 2. The connecting paddle (5) is driven to rotate by manually or electrically pulling the driving part 1, thereby driving the top and bottom rod locks or the upper and lower buckle locks to be unlocked.