Connecting rod for automobile door lock

By introducing buffer guard plates and fatigue springs into the vehicle door lock connection rod, combined with the design of limit lock columns and fixed holes, the problem of deformation of the transmission rod under impact is solved, and the equipment is long life and convenient operation is achieved.

CN222295967UActive Publication Date: 2025-01-03SHANGHAI PAISHUO ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420815026.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-01-03
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

The transmission rod of existing car door locks is prone to deformation under long-term impact, affecting the connection effect.

Method used

A connecting rod for automobile door lock is designed, including a first limit baffle, a second limit baffle, a fixed lock block and an internal buffer. Through the combination of buffer guard plate and fatigue spring, the impact force is absorbed and deformation is avoided. , and simplify the operation through the socketing of the limit locking column and the fixing hole.

Benefits of technology

It effectively extends the service life of the equipment and makes the equipment more convenient through simplified operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of door lock connecting rods, and discloses a connecting rod for an automobile door lock, which comprises a first limiting baffle plate, a second limiting baffle plate arranged on the outer wall of the first limiting baffle plate, a fixed locking block arranged on the outer wall of the first limiting baffle plate, and an internal buffer arranged on the inner wall of the second limiting baffle plate. Buffering protection plates are arranged at the connecting position of the first Z-shaped protection plate and the second Z-shaped protection plate, the two buffering protection plates are connected through paired telescopic columns, spring fixing blocks are arranged at the corresponding positions of the buffering protection plates, and the spring fixing blocks are connected through fatigue springs, so that when the equipment is connected in a fastening mode, the buffering protection plates are not prone to falling off, and the service life of the equipment is prolonged. The fatigue of the equipment can be effectively relieved, so that the service life of the equipment can be effectively prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of door lock connecting rods, in particular to a connecting rod for a car door lock. Background Art

[0002] The connecting rod transforms the vibrating motion of the piston into the rotational motion of the shaft. In a reciprocating engine, for example, the reciprocating motion of the piston is converted into the rotational movement of the crankshaft. The individual pistons are connected to the crankshaft via connecting rods. Other applications of connecting rods are pumps, etc.

[0003] The application number is 202320508362.6, which discloses that the utility model belongs to the technical field of smart door locks and provides a door lock connecting rod, including a first connecting seat and a second connecting seat, the first connecting seat is installed with a first rod member, the second connecting seat is installed with a second rod member, and the first rod member and the second rod member are telescopically connected; a first data connector is set at the end of the first rod member, and a second data connector is set at the end of the second rod member, and the first data connector is connected to the second data connector through a wire.

[0004] In the above application, the smart lock door threading line and the transmission rod of the old door lock are combined into one, and stainless steel square tubes are used to replace the square steel bars in the original lock industry. When the square steel bars are subjected to impact for a long time, the square steel bars are prone to deformation during work, thus affecting the connection effect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a connecting rod for a car door lock, comprising a first limit baffle, a second limit baffle is arranged on the outer wall of the first limit baffle, a fixed lock block is arranged on the outer wall of the first limit baffle, and an internal buffer is arranged on the inner wall of the second limit baffle.

[0007] Furthermore, the first limiting baffle includes a first Z-shaped guard plate, the outer wall of the first Z-shaped guard plate is provided with a first triangular support plate, the first Z-shaped guard plate is provided with a bottom guide groove on the side away from the first triangular support plate, the outer wall of the first Z-shaped guard plate is provided with a square limiting groove, and the outer wall of the first Z-shaped guard plate is provided with a guide groove.

[0008] Furthermore, the second limit baffle includes a second Z-shaped guard plate, the outer wall of the second Z-shaped guard plate is provided with a second triangular support plate, the outer wall of the second Z-shaped guard plate is provided with a limit guide column, the number of the limit guide columns is two and they are symmetrically distributed on the outer wall of the second Z-shaped guard plate, the outer wall of the second Z-shaped guard plate is fixed with a square slider, the outer wall of the second Z-shaped guard plate is provided with a square guide rod, and the outer wall of the square guide rod is opened with an external fixing hole.

[0009] Furthermore, the fixed locking block includes a locking block body, the outer wall of the locking block body is provided with a fixing groove, the outer wall of the locking block body is provided with a limiting locking column, and the number of the limiting locking columns is two and they are symmetrically distributed on the outer wall of the locking block body.

[0010] Furthermore, the fixed locking block includes a locking block body, the outer wall of the locking block body is provided with a fixing groove, the outer wall of the locking block body is provided with a limiting locking column, and the number of the limiting locking columns is two and they are symmetrically distributed on the outer wall of the locking block body.

[0011] Furthermore, the number of the buffer guard plates is two, and the buffer guard plates play the role of connecting the first Z-shaped guard plate and the second Z-shaped guard plate, and the first limit baffle plate and the second limit baffle plate are slidably connected.

[0012] The utility model has the following beneficial effects:

[0013] (1) The connecting rod for the automobile door lock has a pair of external fixing holes formed on the outer wall of the square guide rod, and the limiting lock column is sleeved with the external fixing holes, so that the device can be directly fixed by the snap connection between the limiting lock column and the external fixing holes, and the operator can retract it through the fixing groove, thereby making the operation of the device convenient.

[0014] (2) The connecting rod for the automobile door lock also arranges a buffer guard plate at the connection between the first Z-shaped guard plate and the second Z-shaped guard plate, and connects the two buffer guard plates through a pair of telescopic columns, and arranges a spring fixing block at the corresponding position of the buffer guard plate, and connects the spring fixing blocks through a fatigue spring, so that the fatigue of the device can be effectively relieved when the device is tightened, thereby effectively extending the service life of the device.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a connecting rod for a car door lock;

[0018] Figure 2 It is a structural schematic diagram of a first limit baffle in a connecting rod for a car door lock;

[0019] Figure 3 It is a structural schematic diagram of a first limit baffle in a connecting rod for a car door lock;

[0020] Figure 4 This is a schematic diagram of the structure of a fixed lock block in a connecting rod for a car door lock;

[0021] Figure 5 It is a structural schematic diagram of an internal buffer in a connecting rod for a car door lock;

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] In the figure: 1. first limit baffle; 11. first Z-shaped guard plate; 12. bottom guide groove; 13. square limit groove; 14. guide groove; 15. first triangular support plate; 2. second limit baffle; 21. second Z-shaped guard plate; 22. limit guide column; 23. square slider; 24. square guide rod; 25. external fixing hole; 26. second triangular support plate; 3. fixed locking block; 31. locking block body; 32. fixed groove; 33. limit locking column; 4. internal buffer; 41. buffer guard plate; 42. telescopic column; 43. spring fixing block; 44. fatigue spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 - Figure 5 As shown, the utility model is a connecting rod for a car door lock, comprising a first limit baffle 1, a second limit baffle 2 is provided on the outer wall of the first limit baffle 1, a fixed lock block 3 is provided on the outer wall of the first limit baffle 1, and an internal buffer 4 is provided on the inner wall of the second limit baffle 2;

[0026] The first limiting baffle 1 includes a first Z-shaped guard plate 11, the outer wall of the first Z-shaped guard plate 11 is provided with a first triangular support plate 15, the first Z-shaped guard plate 11 is provided with a bottom guide groove 12 on a side away from the first triangular support plate 15, the outer wall of the first Z-shaped guard plate 11 is provided with a square limiting groove 13, and the outer wall of the first Z-shaped guard plate 11 is provided with a guide groove 14;

[0027] The impact force received by the connecting rod is absorbed by the internal buffer 4, so that the connecting rod assembly composed of the first limit baffle plate 1 and the second limit baffle plate 2 is prevented from being deformed during long-term use.

[0028] The second limiting baffle 2 includes a second Z-shaped guard plate 21, the outer wall of the second Z-shaped guard plate 21 is provided with a second triangular support plate 26, the outer wall of the second Z-shaped guard plate 21 is provided with a limiting guide column 22, the number of the limiting guide column 22 is two and they are symmetrically distributed on the outer wall of the second Z-shaped guard plate 21, the outer wall of the second Z-shaped guard plate 21 is fixed with a square slider 23, the outer wall of the second Z-shaped guard plate 21 is provided with a square guide rod 24, the outer wall of the square guide rod 24 is provided with an external fixing hole 25, the fixed lock block 3 includes a lock block body 31, the outer wall of the lock block body 31 is provided with a fixing groove 32, the outer wall of the lock block body 31 is provided with a limiting lock column 33, the number of the limiting lock column 33 is two and they are symmetrically distributed on the outer wall of the lock block body 31;

[0029] By opening a pair of external fixing holes 25 on the outer wall of the square guide rod 24, and by the sleeve connection between the limiting lock column 33 and the external fixing hole 25, the device can be directly fixed by the snap connection between the limiting lock column 33 and the external fixing hole 25, and the operator can shrink it through the fixing groove 32, thereby making the operation of the device convenient.

[0030] The internal buffer 4 includes a buffer guard plate 41, the outer wall of the buffer guard plate 41 is provided with a telescopic column 42, the number of the telescopic columns 42 is two and they are symmetrically distributed on both sides of the buffer guard plate 41, the outer wall of the buffer guard plate 41 is provided with a spring fixing block 43, the outer wall of the spring fixing block 43 is provided with a fatigue spring 44, the two buffer guard plates 41 are connected by a pair of telescopic columns 42, and the spring fixing blocks 43 are placed at the corresponding positions of the buffer guard plates 41, and the spring fixing blocks 43 are connected by the fatigue springs 44, so that the fatigue of the equipment can be effectively relieved when the equipment is tightened.

[0031] There are two buffer guard plates 41, which play the role of connecting the first Z-shaped guard plate 11 and the second Z-shaped guard plate 21, and the first limit baffle plate 1 and the second limit baffle plate 2 are slidably connected;

[0032] By placing a buffer guard plate 41 at the connection between the first Z-shaped guard plate 11 and the second Z-shaped guard plate 21 and connecting the two buffer guard plates 41 through a pair of telescopic columns 42, the overall buffering effect is improved.

[0033] When in use, a pair of external fixing holes 25 are opened on the outer wall of the square guide rod 24, and the limiting lock column 33 is sleeved with the external fixing hole 25, so that the device can be directly fixed by the snap connection between the limiting lock column 33 and the external fixing hole 25, and the operator can shrink it through the fixing groove 32, so that the operation of the device becomes convenient, and at the same time, a buffer guard plate 41 is arranged at the connection between the first Z-type guard plate 11 and the second Z-type guard plate 21, and the two buffer guard plates 41 are connected by a pair of telescopic columns 42, and a spring fixing block 43 is arranged at the corresponding position of the buffer guard plate 41, and the spring fixing block 43 is connected by a fatigue spring 44, so that when the device is tightened, the fatigue of the device can be effectively relieved, thereby effectively extending the service life of the device.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A connecting rod for a car door lock, comprising a first limit baffle (1), characterized in that: The outer wall of the first limit baffle (1) is provided with a second limit baffle (2), the outer wall of the first limit baffle (1) is provided with a fixed locking block (3), and the inner wall of the second limit baffle (2) is provided with an internal buffer (4); The internal buffer (4) comprises a buffer guard plate (41), the outer wall of the buffer guard plate (41) is provided with a telescopic column (42), the number of the telescopic columns (42) is two and they are symmetrically distributed on both sides of the buffer guard plate (41), the outer wall of the buffer guard plate (41) is provided with a spring fixing block (43), and the outer wall of the spring fixing block (43) is provided with a fatigue spring (44).

2. A connecting rod for a car door lock according to claim 1, characterized in that: The first limiting baffle (1) comprises a first Z-shaped guard plate (11), the outer wall of the first Z-shaped guard plate (11) is provided with a first triangular support plate (15), the first Z-shaped guard plate (11) is provided with a bottom guide groove (12) on a side away from the first triangular support plate (15), the outer wall of the first Z-shaped guard plate (11) is provided with a square limiting groove (13), and the outer wall of the first Z-shaped guard plate (11) is provided with a guide groove (14).

3. The connecting rod for a car door lock according to claim 1, characterized in that: The second limit baffle (2) includes a second Z-shaped guard plate (21), the outer wall of the second Z-shaped guard plate (21) is provided with a second triangular support plate (26), the outer wall of the second Z-shaped guard plate (21) is provided with a limit guide column (22), the number of the limit guide columns (22) is two and they are symmetrically distributed on the outer wall of the second Z-shaped guard plate (21), the outer wall of the second Z-shaped guard plate (21) is fixed with a square slider (23), the outer wall of the second Z-shaped guard plate (21) is provided with a square guide rod (24), and the outer wall of the square guide rod (24) is provided with an external fixing hole (25).

4. The connecting rod for a car door lock according to claim 1, characterized in that: The fixed locking block (3) comprises a locking block body (31), the outer wall of the locking block body (31) is provided with a fixing groove (32), the outer wall of the locking block body (31) is provided with a limiting locking column (33), and the number of the limiting locking columns (33) is two and they are symmetrically distributed on the outer wall of the locking block body (31).

5. The connecting rod for a car door lock according to claim 1, characterized in that: The number of the buffer guard plates (41) is two, and the buffer guard plates (41) play the role of connecting the first Z-shaped guard plate (11) and the second Z-shaped guard plate (21), and the first limit baffle plate (1) and the second limit baffle plate (2) are slidably connected.