Back door lock for automobile

Abstract

The utility model relates to the technical field of automobile parts, and discloses a back door lock for an automobile, which comprises a shell component and a lock body component, the lock body component is mounted in the shell component, a damping component is mounted on the surface of the shell component, and a reinforcing component is mounted on one side of the lock body component. According to the automobile trunk damping device, the damping assembly is additionally arranged on the automobile trunk damping device, so that certain vibration can be generated when the automobile trunk is continuously opened and closed, and under the long-time influence, parts inside the automobile trunk damping device are loosened due to vibration, so that the parts are loosened and cannot be correctly locked and unlocked.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a rear door lock for an automobile. Background Art

[0002] A car is a non-track-borne vehicle driven by power, usually with 4 or more wheels. It is mainly used to carry people and (or) goods, to tow vehicles carrying people and (or) goods, and to complete special purposes. Cars can be divided into two categories: passenger cars and commercial vehicles. Passenger cars include ordinary passenger cars, convertible passenger cars, high-end passenger cars, small passenger cars, convertibles, hatchback passenger cars, station wagons, multi-purpose passenger cars, short-distance passenger cars, off-road passenger cars, special passenger cars, etc. Commercial vehicles include buses, semi-trailer tractors, trucks, etc. In addition, a car, also known as a sedan, is a means of transportation composed of engine, frame, chassis, body, suspension, brake system and other components. It is usually driven by a self-driving driver, has four wheels and seats inside, can travel on the road, and can carry people, goods or other items.

[0003] The application number is CN208184462U, which discloses a door lock structure for a car back door, including a paddle and a lock tongue, wherein the paddle is connected to the bottom plate through a first spring column, and the lock tongue is connected to the bottom plate through a second spring column; a rotating guide block is also arranged between the lock tongue and the paddle, and the rotating guide block is connected to the bottom plate through a retaining spring and a rotating shaft, a protrusion is arranged on the paddle, and a groove is arranged on the lock tongue, and one end of the rotating guide block extends outward to form a first outer circular end for abutting against the protrusion, and the other end of the rotating guide block extends outward to form a second outer circular end for matching the groove; a limit block for limiting the movement of the paddle is arranged on one side of the paddle, and a limit column for limiting the movement of the lock tongue is arranged on the lock tongue. The utility model has a simple structure and is easy to use. By arranging the rotating guide block, direct contact between the lock tongue and the paddle is avoided, and the service life of the lock tongue and the paddle is effectively improved. The rotating guide block can be automatically reset, which is convenient and reliable.

[0004] Although the above utility model further provides a rotating guide block between the lock tongue and the paddle, the rotating guide block is connected to the bottom plate through a retaining spring and a rotating shaft, a protrusion is provided on the paddle, a groove is provided on the lock tongue, one end of the rotating guide block extends outward to form a first outer circular end for abutting against the protrusion, and the other end of the rotating guide block extends outward to form a second outer circular end for matching the groove; a limit block for limiting the movement of the paddle is provided on one side of the paddle, and a limit column for limiting the movement of the lock tongue is provided on the lock tongue. Thus, the structure of the device is simple and easy to use. The direct contact between the lock tongue and the paddle is avoided by providing the rotating guide block, which effectively improves the service life of the lock tongue and the paddle. The rotating guide block can automatically reset, which is convenient and reliable. However, there is a disadvantage that the device will generate certain vibrations when it is closed during daily use, which will cause the loosening of the parts under long-term influence.

[0005] Therefore, it is necessary to add a shock-absorbing component to the device so that when the trunk of the car is constantly opened and closed, a certain vibration will occur. Under such long-term influence, the vibration will cause the internal parts to loosen, resulting in the loosening of the parts and the inability to properly lock and unlock. Utility Model Content

[0006] The purpose of the utility model is to provide a rear door lock for an automobile to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is a rear door lock for automobiles, comprising a shell component and a lock body component. The lock body component is installed inside the shell component, and a shock absorbing component is installed on the surface of the shell component. A reinforcement component is installed on one side of the lock body component.

[0009] Furthermore, the shell assembly includes an outer shell and a fixing groove, a plurality of mounting holes are provided on both sides of the outer shell, a locking opening is provided in the middle, a locking groove is provided at the bottom of the locking opening, and the fixing groove is provided in the middle position of the bottom of the outer shell.

[0010] Furthermore, the lock body assembly includes a lock plate 1, a return spring 1 is installed on one side of the bottom of the lock plate 1, and a lock plate 2 is installed on one side thereof, a fixing column is installed at the bottom of the return spring 1, an installation column is installed on the outer side of the fixing column, and a return spring 2 is installed around the installation column.

[0011] Furthermore, the shock absorbing assembly comprises a shock absorbing silicone pad, a shock absorbing spring is installed in the middle of the shock absorbing silicone pad, and a shock absorbing filler is installed around the shock absorbing spring.

[0012] Furthermore, the reinforcement component includes a touch button and a magnetic steel plate, a telescopic outer rod is installed at the bottom of the touch button, a telescopic inner rod is installed inside the telescopic outer rod, and a return spring three is installed on the outside of the telescopic inner rod, a push plate is installed at the bottom of the telescopic inner rod, a push plate rubber surface is installed on one side of the push plate, and the push plate rubber surface is arranged on the top of the magnet for limiting, an spreading spring is installed at the bottom of the magnet, and the magnetic steel plate is installed on the edge of one side of the lock plate.

[0013] Furthermore, a mounting cavity is provided at the top of one side of the locking plate.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model is a car tailgate lock which, by adding a shock-absorbing component to the device, can generate a certain vibration when the trunk of the car is opened and closed continuously. Under such influence for a long time, the vibration will cause the internal parts to loosen, thereby causing the parts to loosen and fail to be properly locked and unlocked.

[0016] (2) The utility model is a car tailgate lock. By installing a reinforcement component inside the lock body component of the device, when locking, the magnet parts arranged in the reinforcement component can further attract each other, thereby preventing the lock buckle from deviating and moving out through the hollow on one side.

[0017] 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

[0018] 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.

[0019] Figure 1 This is a schematic diagram of the overall structure of a back door lock for a car according to the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembled structure of a back door lock for a car according to the utility model;

[0021] Figure 3 This is a schematic diagram of the disassembled rear side structure of a back door lock for an automobile according to the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a shock absorbing component of a back door lock for an automobile according to the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of a reinforcement component of a back door lock for an automobile according to the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] In the figure: 1. Shell assembly; 2. Lock body assembly; 3. Shock absorption assembly; 4. Reinforcement assembly; 101. Shell; 102. Mounting hole; 103. Lock mouth; 104. Lock slot; 105. Fixing slot; 201. Lock plate one; 202. Reset spring one; 203. Lock plate two; 204. Fixing column; 205. Reset spring two; 206. Mounting column; 301. Shock absorption silicone pad; 302. Shock absorption spring; 303. Shock absorption filler; 401. Touch button; 402. Telescopic outer rod; 403. Telescopic inner rod; 404. Reset spring three; 405. Push plate; 406. Push plate rubber surface; 407. Spreading spring; 408. Magnet; 409. Magnetic steel plate; 2011. Mounting cavity. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1 - Figure 5 As shown, the utility model is a tailgate lock for automobiles, comprising a shell assembly 1 and a lock body assembly 2. The lock body assembly 2 is installed inside the shell assembly 1, and a shock absorbing assembly 3 is installed on the surface of the shell assembly 1. A reinforcement assembly 4 is installed on one side of the lock body assembly 2.

[0028] By adding a shock-absorbing component 3 to the device, a certain vibration can be generated when the trunk of the car is opened and closed continuously. Under such a long-term influence, the vibration will cause the internal parts to loosen, thereby causing the parts to loosen and fail to be properly locked and unlocked.

[0029] The shell assembly 1 includes a shell 101 and a fixing groove 105. A plurality of mounting holes 102 are provided on both sides of the shell 101, and a locking hole 103 is provided in the middle thereof, and a locking groove 104 is provided at the bottom of the locking hole 103. The fixing groove 105 is provided in the middle position of the bottom of the shell 101, and the lock body assembly 2 can be installed and fixed inside it through the provided fixing groove 105.

[0030] The lock body assembly 2 includes a lock plate 201, a return spring 202 is installed on one side of the bottom of the lock plate 201, and a lock plate 203 is installed on one side thereof, a fixing column 204 is installed on the bottom of the return spring 202, a mounting column 205 is installed on the outer side of the fixing column 204, and a return spring 206 is installed around the mounting column 205. By setting the return spring 202 and the return spring 206, the lock plate can be reset when it rotates under the positioning of the mounting column 205.

[0031] The shock absorbing assembly 3 includes a shock absorbing silicone pad 301, a shock absorbing spring 302 is installed in the middle of the shock absorbing silicone pad 301, and a shock absorbing filler 303 is installed around the shock absorbing spring 302. The shock absorbing filler 303 and the shock absorbing spring can provide a certain shock absorbing effect when the trunk door is closed and generate vibration, and at the same time provide a certain supporting force.

[0032] The reinforcement component 4 includes a touch button 401 and a magnetic steel plate 409, a telescopic outer rod 402 is installed at the bottom of the touch button 401, a telescopic inner rod 403 is installed inside the telescopic outer rod 402, and a return spring 404 is installed on the outside thereof, a push plate 405 is installed at the bottom of the telescopic inner rod 403, a push plate rubber surface 406 is installed on one side of the push plate 405, and the push plate rubber surface 406 is arranged on the top of the magnet 408 for limiting, and a spreading spring 407 is installed at the bottom of the magnet 408, and the magnetic steel plate 409 is installed on the edge of one side of the lock plate 201. By installing the reinforcement component 4 inside the lock body component 2 of the device, the magnet 408 parts arranged in the reinforcement component 4 can be further attracted to each other when locking, so as to avoid the lock buckle from deviating and moving out through the hollow on one side.

[0033] A mounting cavity 2011 is formed at the top of one side of the locking plate 201 .

[0034] When using this device, first, when closing the trunk of the car, a certain vibration will be generated due to the force of closing. At this time, the internally arranged shock-absorbing component 3 can provide a certain shock-absorbing effect when the trunk door is closed through the shock-absorbing filler 303 and the shock-absorbing spring, and at the same time provide a certain supporting force to fix the lock through the lock body component. Then, when the lock is fixed, the downward law of gravity can be used to press the touch button 401 of the lock downward, and then the telescopic inner rod 403 arranged inside can drive the push plate 405 arranged at the bottom to drive the push plate rubber surface 406 to pull it out from the top of the magnet 408, and then the spreading spring 407 arranged at the bottom of the magnet 408 can make it pop out, and a magnetic steel plate 409 is arranged at the corresponding top, and at this time, the adsorption and fixing effect will be performed.

[0035] 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 rear door lock for an automobile, comprising a housing assembly (1) and a lock body assembly (2), characterized in that: A lock body assembly (2) is installed inside the housing assembly (1), and a shock absorbing assembly (3) is installed on the surface thereof; a reinforcement assembly (4) is installed on one side of the lock body assembly (2).

2. The automobile back door lock according to claim 1, characterized in that: The housing assembly (1) comprises a shell (101) and a fixing groove (105); a plurality of mounting holes (102) are provided on both sides of the shell (101); a locking opening (103) is provided in the middle; a locking groove (104) is provided at the bottom of the locking opening (103); and the fixing groove (105) is provided in the middle of the bottom of the shell (101).

3. The automobile back door lock according to claim 1, characterized in that: The lock body assembly (2) comprises a lock plate 1 (201), a return spring 1 (202) being mounted on one side of the bottom of the lock plate 1 (201), and a lock plate 2 (203) being mounted on one side thereof, a fixing column (204) being mounted on the bottom of the return spring 1 (202), a mounting column (205) being mounted on the outer side of the fixing column (204), and a return spring 2 (206) being mounted around the periphery of the mounting column (205).

4. The rear door lock for an automobile according to claim 1, characterized in that: The shock absorbing component (3) comprises a shock absorbing silicone pad (301), a shock absorbing spring (302) is installed in the middle of the shock absorbing silicone pad (301), and a shock absorbing filler (303) is installed around the shock absorbing spring (302).

5. The automobile back door lock according to claim 1, characterized in that: The reinforcement component (4) comprises a touch button (401) and a magnetic steel plate (409), a telescopic outer rod (402) is installed at the bottom of the touch button (401), a telescopic inner rod (403) is installed inside the telescopic outer rod (402), and a return spring three (404) is installed on the outside thereof, a push plate (405) is installed at the bottom of the telescopic inner rod (403), a push plate rubber surface (406) is installed on one side of the push plate (405), and the push plate rubber surface (406) is arranged on the top of the magnet (408) for limiting, and a spreading spring (407) is installed at the bottom of the magnet (408), and the magnetic steel plate (409) is installed on the edge of one side of the lock plate one (201).

6. The automobile back door lock according to claim 3, characterized in that: A mounting cavity (2011) is provided at the top of one side of the locking plate 1 (201).

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