Lock shell structure of automobile door lock and automobile door lock
By designing a car door lock shell structure with a detachable mounting cover, zipper seat and bracket seat, the problem of inconsistent screw hole positions in different car models is solved, and the versatility and resource conservation of the lock shell are achieved.
Patent Information
- Application Number
- CN202422746368.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing car door locks have poor versatility due to inconsistent screw hole positions for different car models. The lock shell needs to be replaced for different car models, resulting in inventory waste and installation difficulties.
A lock housing structure for an automobile door lock is designed, comprising a main housing, a side housing, and a lock slot. The structure adapts to screw hole positions of different vehicle models through a detachable vehicle mounting cover, a zipper seat, and a bracket seat, thereby achieving universality of the lock housing and reducing inventory.
It improves the versatility of car door locks, reduces inventory, saves resources and simplifies the installation process.
Smart Images

Figure CN223410640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to a lock shell structure of an automobile door lock and the automobile door lock. Background Art
[0002] The main function of a car door lock is to provide vehicle safety and protect the people and objects inside the car. A car door lock generally includes a lock housing, a deadbolt mechanism, gears and transmissions, a spring, a lock core interface, and other components. During installation, the lock housing is typically bolted to the end face of the car door using a cover plate mounted on the lock housing to ensure that the lock hook on the car body can be inserted into the lock housing and engage the deadbolt. However, the screw holes for mounting the lock housing on the car door are located in different locations across different car models. To protect the mechanical structure within the car door lock and enhance the strength of the lock housing, the lock housing and the cover plate are typically riveted together. This results in different car door locks being required for different car models, reducing their versatility and increasing inventory. Furthermore, because the thickness of the corresponding zippers varies across different car models, the lock housing needs to be replaced for each car model, resulting in waste and difficulty in installation. Utility Model Content
[0003] In view of the above problems, the utility model provides a lock shell structure of an automobile door lock, which can replace the vehicle cover plate according to different vehicle models, thereby improving the versatility of the automobile door lock, reducing inventory and saving resources.
[0004] The technical solution adopted by this utility model is:
[0005] A lock housing structure for a car door lock comprises a main housing, a side housing arranged on one side of the main housing, and lock grooves arranged on the main housing and the side housing for inserting a vehicle body lock hook; the main housing comprises a main shell body, a cavity for accommodating a lock tongue block and a lock catch block is provided in the main shell body, a loading cover plate for sealing an opening of the cavity is detachably mounted on the main shell body, the loading cover plate is provided with screw holes for mounting on a vehicle door and a main lock groove; a side lock groove is provided on the side housing, and the main lock groove and the side lock groove form a lock groove.
[0006] Preferably, at least one mounting ear is provided on each end of the vehicle mounting cover plate, a first mounting hole is provided on the mounting ear, a lock case mounting bracket corresponding to the mounting ear is provided in the main shell body, a second mounting hole corresponding to the first mounting hole is provided on the lock case mounting bracket, and the mounting ear is mounted on the lock case mounting bracket in the main shell body by bolts.
[0007] More preferably, the mounting ear is bent to form an upper receiving groove for accommodating a screw head on a bolt.
[0008] More preferably, the lock case mounting frame includes a vertical plate and a mounting plate connected to the vertical plate, the mounting plate and the vertical plate are L-shaped, and a second mounting hole is provided on the mounting plate.
[0009] More preferably, a connecting plate for installing the lock tongue block and the lock buckle block is provided in the cavity, and at least one connecting ear is provided on each end of the connecting plate, and the connecting ear is provided with an ear hole corresponding to the second mounting hole, and the connecting ear is bent to form a lower groove for accommodating the connecting plate.
[0010] Preferably, a main movable cover is also installed on the back of the main shell, and a first mounting port for installing a zipper is formed between the main movable cover and the main shell, a bracket seat is provided in the first mounting port, an insertion groove and a bracket mounting hole are formed on the bracket seat, and a fifth mounting hole corresponding to the bracket mounting hole is provided in the first mounting port.
[0011] Preferably, a side movable cover is installed on the side shell of the side shell, and a second mounting opening for installing a zipper is formed between the side shell of the side shell and the side movable cover, a zipper seat is provided in the second mounting opening, a placement hole for placing the zipper and a zipper mounting hole are provided in the zipper seat, a third mounting hole corresponding to the zipper mounting hole is provided in the second mounting opening, and a fourth mounting hole corresponding to the third mounting hole is provided on the side movable cover.
[0012] The utility model also provides a car door lock, comprising a lock shell structure.
[0013] Compared with the prior art, the beneficial effects of the present invention are: the present invention provides a lock shell structure for a car door lock, in which a mounting cover plate, a zipper seat and a bracket seat are movably mounted on the lock shell, and the mounting cover plate, the zipper seat and the bracket seat can be replaced for different car models, thereby improving the versatility of the car door lock, reducing inventory and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic diagram of the lock shell structure of a car door lock provided by the utility model Figure 1 .
[0015] Figure 2 A schematic diagram of the lock shell structure of a car door lock provided by the utility model Figure 2 .
[0016] Figure 3 The utility model provides an explosion-proof structure of a lock shell of a car door lock Figure 1 .
[0017] Figure 4 The utility model provides an explosion-proof structure of a lock shell of a car door lock Figure 2 .
[0018] Figure 5 The utility model provides a schematic diagram of a car door lock housing structure in which a cover plate and a connecting plate are installed.
[0019] Figure 6The utility model is a schematic diagram of a zipper seat in a lock housing structure of a car door lock provided by the utility model.
[0020] Figure 7 This is a schematic diagram of a bracket seat in a lock housing structure of a car door lock provided by the utility model. DETAILED DESCRIPTION
[0021] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0022] Figures 1 to 7 , is a preferred embodiment of the lock shell structure of a car door lock provided by the utility model. Figures 1 to 7 As shown, the lock housing structure of the automobile door lock comprises a main housing 10, a side housing 20 arranged on one side of the main housing, and a lock groove 30 arranged on the main housing 10 and the side housing 20 for inserting the vehicle body lock hook; the main housing 10 comprises a main housing 11, a cavity 111 for accommodating the lock tongue block 100 and the lock catch block 200 is provided in the main housing 11, a loading cover plate 12 for sealing the opening of the cavity is detachably mounted on the main housing 11, the loading cover plate 12 is provided with a screw hole 121 for being mounted on the vehicle door and a main lock groove 122; a side lock groove 211 is provided on the side housing 20, the main lock groove 122 and the side lock groove 211 form a lock groove 30, when the automobile door lock having the lock housing structure is mounted on the automobile door, the screw hole 121 on the loading cover plate 12 is aligned with the screw hole on the end surface of the automobile door for installation, and is positioned and fixed by bolts; since the loading cover plate 12 is detachable and mountable, the loading cover plate 12 can be replaced according to different vehicle models. , to adapt to the screw hole position requirements of different car models, improve the versatility of car door locks, reduce inventory and save resources.
[0023] At least one mounting ear 123 is provided on each end of the vehicle mounting cover 12. Each mounting ear 123 is provided with a first mounting hole 1231. A lock housing mounting bracket 13 corresponding to the mounting ear 123 is provided in the main housing 11. The lock housing mounting bracket 13 is provided with a second mounting hole 131 corresponding to the first mounting hole 1231. The mounting ear 123 is mounted to the lock housing mounting bracket 13 in the main housing 11 via bolts, so that the vehicle mounting cover 12 can be removably mounted on the lock housing mounting bracket 13. The mounting ear 123 is bent to form an upper receiving groove 1232 for accommodating the screw head on the bolt. When the vehicle mounting cover 12 is mounted on the main housing 11 via bolts, the screw head on the bolt is located in the upper receiving groove 1232, making the surface of the main housing 10 smooth and ensuring that the vehicle mounting cover 12 is tightly attached to the end panel of the vehicle door, avoiding any gap.
[0024] The lock housing mounting frame 13 includes a vertical plate 1301 and a mounting plate 1302 connected to the vertical plate 1301 . The mounting plate 1302 and the vertical plate 1301 are L-shaped. A second mounting hole 131 is provided on the mounting plate 1302 . In this way, the mounting frame 13 is used to support the vehicle cover plate 12 .
[0025] like Figure 5 As shown, a connecting plate 14 for installing a lock tongue block and a lock catch block is provided in the cavity 11, and a connecting plate lock groove 142 corresponding to the main lock groove 122 is provided on the connecting plate 14, and at least one connecting ear 141 is provided on each end of the connecting plate 14, and a connecting ear hole 1411 corresponding to the second mounting hole 131 is provided on the connecting ear 141, and the connecting ear 141 is bent to form a lower groove 1412 for accommodating the connecting plate 1302. In this way, when the connecting plate 14 and the vehicle cover plate 12 are installed, the connecting ear 141, the mounting plate 1302 and the mounting ear 123 are stacked from bottom to top, reducing the number of mounting holes and saving space.
[0026] A main movable cover plate 15 is also mounted on the back of the main housing 11. A first mounting opening 16 for mounting a zipper is formed between the main movable cover plate 15 and the main housing 11. A bracket seat 50 is disposed within the first mounting opening 16. This allows the bracket seat 50 to be replaced as needed to accommodate different vehicle models. A side movable cover plate 22 is mounted on the side housing 21 of the side housing 20. A second mounting opening 23 for mounting a zipper is formed between the side housing 21 and the side movable cover plate 22. A zipper seat 40 is disposed within the second mounting opening 23. This allows the zipper seat 40 to be replaced according to the thickness of the zipper to accommodate different vehicle models.
[0027] like Figure 6 As shown, the zipper seat 40 is provided with a placement hole 41 for accommodating a zipper and a zipper mounting hole 42. The second mounting opening 23 is provided with a third mounting hole 231 corresponding to the zipper mounting hole 42. The side movable cover 22 is provided with a fourth mounting hole 221 corresponding to the third mounting hole 231. In this way, the zipper seat 40 is movably mounted in the second mounting opening 23 by passing a screw through the fourth mounting hole 221, the zipper mounting hole 42, and the third mounting hole 231. The zipper seat 40 can be replaced at any time as needed. The placement hole 41 in the zipper seat 40 is provided on a boss within the zipper seat 40. The two sides of the zipper seat 40 form side portions, and the zipper mounting holes 42 are provided on the side portions.
[0028] like Figure 7 As shown, the bracket seat 50 is formed with an insertion slot 51 and a bracket mounting hole 52. The first mounting opening 16 is provided with a fifth mounting hole 161 (not shown) corresponding to the bracket mounting hole 52. Thus, the bracket seat 50 is movably mounted in the first mounting opening 16 by screws passing through the bracket mounting hole 52 and the fifth mounting hole 161, allowing the bracket seat 50 to be replaced at any time as needed. The bracket seat 50 is formed by bending a plate, and the insertion slot 51 is formed by bending the side edge of the plate.
[0029] The utility model also provides a car door lock, the lock shell structure of which can be replaced with a cover plate, a zipper seat and a bracket seat according to different car models.
[0030] The lock shell structure of the automobile door lock provided by the utility model has a vehicle mounting cover plate, a zipper seat and a bracket seat movably mounted on the lock shell. The vehicle mounting cover plate, the zipper seat and the bracket seat can be replaced according to different vehicle models, thereby improving the versatility of the automobile door lock, reducing inventory and saving resources.
[0031] In summary, the technical solution of the present utility model can fully and effectively achieve the above-mentioned purpose of the utility model, and the structure and functional principles of the present utility model have been fully verified in the embodiments and can achieve the expected efficacy and purpose. Without departing from the principle and essence of the present utility model, various changes or modifications can be made to the embodiments of the utility model. Therefore, the present utility model includes all replacement contents within the scope of the patent application, and any equivalent changes made within the scope of the patent application of the present utility model are within the scope of the patent application of this case.
Claims
1. A lock housing structure for an automobile door lock, comprising a main housing, a side housing disposed on one side of the main housing, and lock slots disposed on the main housing and the side housing for inserting a vehicle body lock hook; characterized in that: The main shell includes a main shell, which is provided with a cavity for accommodating a lock tongue block and a lock catch block. A vehicle mounting cover for sealing the opening of the cavity is detachably mounted on the main shell, and the vehicle mounting cover is provided with screw holes for mounting on a vehicle door and a main lock slot; a side lock slot is provided on the side shell, and the main lock slot and the side lock slot form a lock slot.
2. The lock housing structure of the automobile door lock according to claim 1, characterized in that: At least one mounting ear is provided at each end of the loading cover plate, a first mounting hole is provided on the mounting ear, a lock shell mounting bracket corresponding to the mounting ear is provided in the main shell body, a second mounting hole corresponding to the first mounting hole is provided on the lock shell mounting bracket, and the mounting ear is mounted on the lock shell mounting bracket in the main shell body by bolts.
3. The lock housing structure of the automobile door lock according to claim 2, characterized in that: The mounting ear is bent to form an upper receiving groove for accommodating a screw head on a bolt.
4. The lock housing structure of the automobile door lock according to claim 2, characterized in that: The lock housing mounting frame includes a vertical plate and a mounting plate connected to the vertical plate. The mounting plate and the vertical plate are L-shaped, and a second mounting hole is provided on the mounting plate.
5. The lock housing structure of the automobile door lock according to claim 4, characterized in that: A connecting plate for installing the lock tongue block and the lock buckle block is provided in the cavity, and at least one connecting ear is provided on each end of the connecting plate. The connecting ear is provided with an ear hole corresponding to the second mounting hole, and the connecting ear is bent to form a lower groove for accommodating the connecting plate.
6. The lock housing structure of the automobile door lock according to claim 1, characterized in that: A main movable cover is also installed on the back of the main shell, and a first mounting port for installing a zipper is formed between the main movable cover and the main shell. A bracket seat is provided in the first mounting port, and an insertion groove and a bracket mounting hole are formed on the bracket seat. A fifth mounting hole corresponding to the bracket mounting hole is provided in the first mounting port.
7. The lock housing structure of the automobile door lock according to claim 1, characterized in that: A side movable cover is installed on the side shell of the side shell, and a second mounting opening for installing a zipper is formed between the side shell of the side shell and the side movable cover, a zipper seat is provided in the second mounting opening, a placement hole for placing the zipper and a zipper mounting hole are provided in the zipper seat, a third mounting hole corresponding to the zipper mounting hole is provided in the second mounting opening, and a fourth mounting hole corresponding to the third mounting hole is provided on the side movable cover.
8. A car door lock, characterized in that: The invention comprises a lock housing structure according to any one of claims 1 to 7.