Automobile door lock assembly part structure
By using double-layered hardware circuit components and a pre-molding assembly and positioning structure, the connection stability and production efficiency issues of automotive door locks under complex functions and space constraints are solved, achieving compact design and efficient production.
Patent Information
- Application Number
- CN202422934420.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing car door locks are difficult to implement complex functions within limited interior space. Their hardware circuit structures are prone to deformation and have a high defect rate. Component connections become loose, increasing assembly difficulty and reducing production efficiency.
It adopts a double-layer arrangement of hardware circuit components and a pre-molding assembly and positioning structure, and achieves precise connection through irregularly shaped positioning parts and positioning connecting plugs, and injection molds the outer shell.
While meeting complex functional requirements, the size is reduced, the connection stability and accuracy are improved, the assembly difficulty is reduced, and the production efficiency and yield are increased.
Smart Images

Figure CN223523553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile door lock, especially to an automobile door lock assembly structure. BACKGROUND
[0002] The automobile door lock is one of the important parts of the automobile. In recent years, with the increasing function and technical requirements of the automobile door lock, the research and development design of the automobile door lock mainly has three difficulties to overcome.
[0003] Firstly, the volume of the existing automobile door lock increases because the increasingly complex function requirements cannot be realized in the limited internal space, so a more compact, small-volume, and reasonable space utilization automobile door lock needs to be researched and developed.
[0004] Secondly, the conventional hardware circuit structure cannot meet the functional requirements, and in the subsequent production and assembly process, it is easy to have adverse defects such as shrinkage deformation, hardware short circuit, and inconsistent hardware tooth height, thereby causing functional failure and reducing the yield.
[0005] Finally, because the door lock components adopt a non-conventional structure, they are not easy to disassemble and assemble, and the components are prone to displacement and loosening, which increases the assembly difficulty and reduces the production efficiency. INVENTION CONTENTS
[0006] To solve the above technical problems, one technical scheme adopted by the utility model is as follows:
[0007] Provided is an automobile door lock assembly structure, which comprises an outer shell, an upper assembly component, and a lower assembly component, wherein the upper assembly component and the lower assembly component are arranged in the outer shell, and the upper and lower assembly components are arranged and connected in an upper-lower manner, and the outer shell is provided with an interface for connecting or arranging pin pins.
[0008] The upper assembly component comprises a first hardware element, a second hardware element, an upper assembly shell, a positioning needle, a positioning block, an upper assembly guide slope, a positioning connection plug, a connection limiting bump, and a special-shaped positioning part, the first hardware element, the second hardware element, and the third hardware element are provided with a special-shaped positioning part, the first hardware element and the second hardware element are fixedly arranged in the upper assembly shell, and the pin pins on the first hardware element and the second hardware element are arranged side by side and extend to the outside of the upper assembly shell, the positioning needle is arranged on the front part of the upper assembly shell close to the pin pins, the positioning block is arranged in the middle part of the upper assembly shell, the connection limiting bump is arranged at the rear end of the upper assembly shell, the positioning connection plug and the upper assembly guide slope are arranged at the rear part of the upper assembly shell, and the positioning connection plug is located between the connection limiting bump and the upper assembly guide slope.
[0009] The lower assembly component comprises a third hardware element, a lower assembly shell, a positioning hole, a positioning clamping groove, a lower assembly guide slope, a positioning connecting jack, a connecting limiting groove, the third hardware element is fixedly arranged in the lower assembly shell, pin pins on the third hardware element extend out of the upper assembly shell, and after assembly is completed, the pin pins are arranged in parallel with the upper assembly component, the positioning hole on the front end of the lower assembly shell is movably connected with a positioning pin, so that the front part of the assembly component is positioned during assembly, the positioning clamping groove is arranged on the middle part of the lower assembly shell and is movably connected with the positioning clamping block, so that the middle part of the assembly component is positioned during assembly, the connecting limiting groove on the rear end of the lower assembly shell is movably connected with the connecting limiting block, the positioning connecting jack on the lower assembly shell is movably connected with the positioning connecting plug, and the lower assembly guide slope is movably connected with the upper assembly guide slope, so that the rear part of the assembly component is positioned and limited during assembly.
[0010] In a preferred embodiment of the present application, the outer shell is integrally injection molded on the outside of the first assembly component and the second assembly component.
[0011] In a preferred embodiment of the present application, the special-shaped positioning part is arranged on the hardware element in an inclined manner, so that the special-shaped positioning part protrudes from the surface of the hardware element.
[0012] In a preferred embodiment of the present application, the outer side wall of the first hardware element is provided with a special-shaped positioning part A, the inner wall side is provided with a special-shaped positioning part B, the rear end of the second hardware element is provided with a special-shaped positioning part A, and the inner side wall of the third hardware element is provided with a special-shaped positioning part C.
[0013] In a preferred embodiment of the present application, the hardware element and the special-shaped positioning part are in an integral structure.
[0014] In a preferred embodiment of the present application, two positioning pins are arranged on the upper assembly shell, and two positioning holes are arranged on the lower assembly shell.
[0015] In a preferred embodiment of the present application, the outer end part of the positioning clamping block is in an arc structure, and the positioning clamping groove is in an arc structure through hole or a blind hole with one end closed.
[0016] In a preferred embodiment of the present application, a limiting block is arranged on the upper assembly shell of the front part of the connecting limiting block, and the side wall of the connecting limiting groove is in contact with the side wall of the limiting block.
[0017] In a preferred embodiment of the present application, the upper assembly shell is integrally injection molded on the first hardware element and the second hardware element, and the lower assembly shell is arranged on the third hardware element by the integral injection molding.
[0018] In a preferred embodiment of the present application, the upper assembly shell, the positioning needle, the positioning block, the upper assembly guide slope, the positioning connecting plug and the connecting limiting protrusion are integrated; the lower assembly shell, the positioning connecting socket and the lower assembly guide slope are integrated.
[0019] The present application has the advantages that: it can reduce the size of the assembly part, improve the applicability of the automobile door lock, improve the precision and stability of the part connection and assembly, facilitate disassembly and assembly, improve the production efficiency and the yield of the product, and meet the complex functional requirements. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor, and the drawings are as follows:
[0021] Figure 1 is a schematic diagram of the overall structure of a preferred embodiment of the automobile door lock assembly structure of the present application;
[0022] Figure 2 is a schematic diagram of the upper assembly component structure of a preferred embodiment of the automobile door lock assembly structure of the present application;
[0023] Figure 3 is a schematic diagram of the lower assembly component structure of a preferred embodiment of the automobile door lock assembly structure of the present application;
[0024] Figure 4 is a schematic diagram of the upper and lower assembly component assembly structure of a preferred embodiment of the automobile door lock assembly structure of the present application;
[0025] Figure 5 is a schematic diagram of the hardware element position structure of a preferred embodiment of the automobile door lock assembly structure of the present application;
[0026] Figure 6 is a schematic diagram of the interface structure of a preferred embodiment of the automobile door lock assembly structure of the present application. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.
[0028] Please refer to Figures 1-6 The embodiments of the utility model include:
[0029] A kind of automobile door lock assembly structure, it is important conductive connection mechanism in automobile door lock (such as example Mazda 5296 etc.
[0030] Further preferably, the assembly component is fixedly connected with the shell, wherein the shell can be formed on the surface of the assembly component by integrally injection molding.
[0031] The upper assembly component includes a first hardware element 20, a second hardware element 21, an upper assembly shell 22, a first positioning pin 23, a second positioning pin 24, a positioning block 25, an upper assembly guide slope 26, a positioning connection plug 27, a connection limiting block 28, a special-shaped positioning portion A 29, and a special-shaped positioning portion B 210.
[0032] The outer side wall of the first hardware element is provided with a special-shaped positioning portion A, and the inner wall side is provided with a special-shaped positioning portion B. The rear end of the second hardware element is provided with a special-shaped positioning portion A. The first hardware element and the second hardware element are fixedly arranged in the upper assembly shell, and the pin feet 201 on the first hardware element and the pin feet 211 on the second hardware element are arranged side by side and extend out of the upper assembly shell.
[0033] The first positioning pin and the second positioning pin are arranged on the front end of the upper assembly shell close to the pin feet (and at the same time on the front or back surface). The positioning block is arranged on the inner side wall of the middle part of the upper assembly shell.
[0034] The connection limiting block is arranged on the rear end of the upper assembly shell, and the positioning connection plug is arranged on the inner side wall of the upper assembly shell. The upper assembly guide slope is also arranged on the top surface of the assembly limiting block on the inner side wall of the upper assembly shell.
[0035] Further preferably, the special-shaped positioning portion A is arranged obliquely on the outer side wall of the first hardware element and the second hardware element, so that the special-shaped positioning portion A protrudes from the surface of the hardware element. After the first hardware element and the second hardware element are assembled, the special-shaped positioning portion A on the first hardware element is parallel to the special-shaped positioning portion A on the second hardware element.
[0036] Further preferably, the first hardware component and the special-shaped positioning part A are in an integrated structure.
[0037] Further preferably, the second hardware component and the special-shaped positioning part A and the special-shaped positioning part B are in an integrated structure.
[0038] Further preferably, the outer end part of the positioning clamping block is in an arc-shaped structure, which can improve the smoothness of the insertion and prevent the clamping block from being stuck during the insertion.
[0039] Further preferably, a limiting block is arranged on each of the upper assembly housings on the two sides of the connecting limiting protrusion to cooperate with the connecting limiting protrusion for assembly, thereby improving the accuracy of the assembly.
[0040] Further preferably, the upper assembly housing is arranged on the first hardware component and the second hardware component by means of one-piece injection molding.
[0041] Further preferably, the upper assembly housing and the first positioning needle, the second positioning needle, the positioning clamping block, the upper assembly guide inclined surface, the positioning connecting plug, and the connecting limiting protrusion are in an integrated structure.
[0042] The lower assembly component includes a third hardware component 30, a lower assembly housing 31, a first positioning hole 32, a second positioning hole 33, a positioning clamping groove 34, a lower assembly guide inclined surface 35, a positioning connecting plug hole 36, a connecting limiting groove 37, and a special-shaped positioning part C 38.
[0043] The special-shaped positioning part C is arranged obliquely on the inner side wall of the third hardware component, so that the special-shaped positioning part C protrudes from the surface of the hardware component. The third hardware component is fixedly arranged in the lower assembly housing. The pin feet 301 on the third hardware component extend to the outside of the upper assembly housing. When the upper assembly component and the lower assembly component are assembled, the pin feet on the first and second hardware components are arranged in parallel with the pin feet on the third hardware component, i.e., the pin feet 301 are arranged below the pin feet 201 and 211.
[0044] The three special-shaped structures, i.e., the special-shaped positioning part A, the special-shaped positioning part B, and the special-shaped positioning part C, are arranged for positioning, which prevents the hardware components from being out of position, improves the stability of the connection between the hardware components and the assembly housing, and ensures the yield of the product.
[0045] The first positioning hole and the second positioning hole are arranged on the front end part of the lower assembly housing close to the pin feet to be movably connected with the first positioning needle and the second positioning needle, respectively, so as to realize the assembly positioning of the front part of the assembly housing. The positioning clamping groove is arranged on the inner side wall of the middle part of the lower assembly housing to be inserted with the positioning clamping block from top to bottom, so as to realize the assembly positioning of the middle part of the assembly housing.
[0046] The connecting limiting groove is arranged at the rear end of the lower assembly shell and is inserted with the connecting limiting block up and down, the positioning connecting jack is arranged on the inner side wall of the lower assembly shell, the positioning connecting jack is located between the connecting limiting groove and the lower assembly guide slope, and is movably connected with the positioning connecting plug, so that the assembly positioning of the rear part of the assembly shell is realized, and the lower assembly guide slope is movably connected with the upper assembly guide slope, so that the assembly guide and limiting are matched, the assembly accuracy is greatly improved, and the assembly component is prevented from being deformed or even damaged due to misplacement or excessive assembly.
[0047] Further preferably, the third hardware element and the special-shaped positioning part C are in an integrated structure.
[0048] Further preferably, the positioning clamping groove can be an arc-shaped through hole or a blind hole with a closed top surface.
[0049] Further preferably, the side wall of the connecting limiting groove is in contact with the side wall of the limiting block, so as to assist in assembly limiting.
[0050] Further preferably, the lower assembly shell is arranged on the third hardware element in a one-piece injection molding manner.
[0051] Further preferably, the lower assembly shell, the positioning connecting jack and the lower assembly guide slope are in an integrated structure.
[0052] The application adopts the double-layer arrangement of the three hardware circuit element combinations and the double-pre-molding assembly positioning combination structure, so that the two assembly components are accurately and firmly connected and are not easy to be loosened, the two groups of hardware elements are flattened and then injection molded to form the upper and lower assembly shells, the two upper and lower assembly shells are injection molded, then assembled, and finally injection molded to form the outer shell.
[0053] The automobile door lock assembly structure has the following beneficial effects:
[0054] 1. The hardware circuit elements are arranged in a double layer, the structure is more compact under the premise of meeting the complex function requirement, the size of the automobile door lock is reduced, and the applicability of the automobile door lock is improved.
[0055] 2. The pre-molding assembly positioning mode is adopted, the assembly and disassembly are facilitated, the firmness and stability of the component connection are improved, the assembly difficulty is reduced, and the production efficiency is improved.
[0056] 3. The accuracy and stability of the component connection are improved, the effectiveness of the function is ensured, and the yield of the product is improved.
[0057] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are all included in the patent protection scope of the present application.
Claims
1. A structure for an automotive door lock assembly, characterized in that, The utility model relates to a kind of pin connector, including: Upper assembly component and lower assembly component are arranged in the outer shell, and upper and lower assembly component are arranged and connected, interface for connecting or setting pin foot is provided on the outer shell, The upper assembly component includes first hardware element, second hardware element, upper assembly shell, positioning needle, positioning block, upper assembly guide slope, positioning connection plug, connection limiting boss, special-shaped positioning part, the first hardware element, the second hardware element and third hardware element are provided with special-shaped positioning part, the first hardware element and the second hardware element are fixedly arranged in the upper assembly shell, and the pin foot of the first hardware element and the second hardware element is arranged in parallel and extends to the outside of the upper assembly shell, the positioning needle is arranged on the front of the upper assembly shell close to pin foot, the positioning block is arranged in the middle of the upper assembly shell, the connection limiting boss is arranged at the rear end of the upper assembly shell, the positioning connection plug and the upper assembly guide slope are arranged at the rear of the upper assembly shell, and the positioning connection plug is located between the connection limiting boss and the upper assembly guide slope, The lower assembly component includes third hardware element, lower assembly shell, positioning hole, positioning slot, lower assembly guide slope, positioning connection hole, connection limiting slot, the third hardware element is fixedly arranged in the lower assembly shell, and the pin foot thereof extends to the outside of the upper assembly shell, and is arranged in parallel with the pin foot in upper assembly component after assembly is completed, the positioning hole on the front end of the lower assembly shell is movably connected with the positioning needle to carry out assembly positioning of the front of assembly component, the positioning slot is arranged in the middle of the lower assembly shell and is movably connected with the positioning block to carry out assembly positioning of the middle of assembly component, the connection limiting slot on the rear end of the lower assembly shell is movably connected with the connection limiting boss, the positioning connection hole on the lower assembly shell is movably connected with the positioning connection plug, the lower assembly guide slope is movably connected with the upper assembly guide slope to carry out assembly positioning and limiting of the rear of assembly component.
2. The automotive door lock assembly structure of claim 1, wherein The outer shell is integrally injection molded on the outside of the upper assembly component and the lower assembly component.
3. The automotive door lock assembly structure of claim 1, wherein The special-shaped positioning part is obliquely arranged on the hardware element, so that the special-shaped positioning part protrudes from the surface of the hardware element.
4. The automotive door lock assembly structure of claim 1, wherein The outer side wall of the first hardware element is provided with a special-shaped positioning part A, and the inner wall side is provided with a special-shaped positioning part B, the rear end of the second hardware element is provided with a special-shaped positioning part A, and the inner side wall of the third hardware element is provided with a special-shaped positioning part C.
5. The automotive door lock assembly structure of claim 1, wherein The hardware element and the special-shaped positioning part are of an integral structure.
6. The automotive door lock assembly structure of claim 1, wherein The upper assembly shell is provided with two positioning needles, and the lower assembly shell is provided with two positioning holes.
7. The automotive door lock assembly structure of claim 1, wherein The outer end of the positioning block is of an arc structure, wherein the positioning slot is an arc structure through hole or a blind hole with one end closed.
8. The automotive door lock assembly structure of claim 1, wherein The upper assembly shell of the front of the connection limiting boss is provided with a limiting block, and the side wall of the connection limiting slot is in contact with the side wall of the limiting block.
9. The automotive door lock assembly structure of claim 1, wherein The upper assembly shell is integrally injection molded on the first and second hardware elements, and the lower assembly shell is integrally injection molded on the third hardware element.
10. The automotive door lock assembly structure of claim 1, wherein The upper assembly shell is in an integrated structure with the positioning needle, the positioning block, the upper assembly guide slope, the positioning connecting plug and the connecting limiting block, and the lower assembly shell is in an integrated structure with the positioning connecting hole and the lower assembly guide slope.