CN219158694U

CN219158694U - Automobile back door lock with reinforcing structure

Info

Publication number: CN219158694U
Application number: CN202123224468.3U
Authority: CN
Inventors: 王青松; 邓志华; 吴非; 张琦; 施兆旺; 王雨薇
Original assignee: Inteva Automobile Parts Zhenjiang Co ltd
Current assignee: Inteva Automobile Parts Zhenjiang Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-06-09
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an automobile back door lock with a reinforcing structure, which comprises a seat plate, a back plate and a lock body, wherein a pawl and a clamping plate are arranged on the seat plate, the lock body is covered on the clamping plate and the pawl, the back plate covers the lock body and is fixedly arranged with the seat plate, the clamping plate is assembled in a containing space between the seat plate and the back plate through a first rivet, the pawl is assembled in the containing space between the seat plate and the back plate through a second rivet, a convex hull close to the direction of the back plate is arranged at the riveting position of the first rivet and the second rivet on the seat plate, and a boss close to the direction of the seat plate is arranged at the riveting position of the first rivet and the second rivet on the back plate. The utility model designs the reinforcing structure on the automobile back door lock, thereby greatly improving the strength and the safety performance of the door lock and reducing the cost caused by riveting deformation.

Description

Automobile back door lock with reinforcing structure

Technical Field

The utility model relates to an automobile back door lock with a reinforcing structure, and belongs to the technical field of automobiles.

Background

The automobile back door lock is used as a safety part, a host factory is more and more important for the strength of the automobile back door lock, but the design and manufacturing experience of the existing automobile industry on the back door lock is lacking, the strength of the automobile back door lock is realized in a traditional mode, for example, the thickness of a seat plate is increased, or a reinforcing plate is added, so that the door lock part is increased, the weight is increased, and the cost is increased.

Disclosure of Invention

The utility model aims to: aiming at the problems existing in the prior art, the utility model provides the automobile back door lock with the reinforcing structure, which solves the problems of low strength and complex installation of the automobile back door lock.

The technical scheme is as follows: the automobile back door lock with the reinforcing structure comprises a seat plate, a back plate and a lock body, wherein a pawl and a clamping plate are arranged on the seat plate, the lock body is covered on the clamping plate and the pawl, the back plate covers the lock body and is fixedly arranged with the seat plate, the clamping plate is assembled in a containing space between the seat plate and the back plate through a first rivet, the pawl is assembled in the containing space between the seat plate and the back plate through a second rivet, a convex hull close to the direction of the back plate is arranged at the riveting position of the first rivet and the second rivet on the seat plate, and a boss close to the direction of the seat plate is arranged at the riveting position of the first rivet and the second rivet on the back plate.

Further, the method comprises the steps of:

the novel clamping device is characterized in that two mounting holes are formed in the seat plate and are respectively marked as a first left mounting hole and a first right mounting hole, a second left mounting hole corresponding to the first left mounting hole and a second right mounting hole corresponding to the first right mounting hole are formed in the back plate, first rivets penetrate through the first right mounting hole and the second right mounting hole respectively to fix the clamping plate on the seat plate and the back plate, and second rivets penetrate through the first left mounting hole and the second left mounting hole respectively to assemble the pawl on the seat plate and the back plate.

Further, the method comprises the steps of:

the backboard taking the second left mounting hole as the center is provided with a second left boss close to the direction of the seat board, the second left boss is annular, and the backboard on the periphery of the second right mounting hole is provided with a second right boss close to the direction of the seat board.

Further, the method comprises the steps of:

the height of the second left boss is 0.8-1.2 mm, the radius of the smallest circle corresponding to the ring shape is 5-8 mm, and the height of the second right boss is 0.8-1.2 mm.

Further, the method comprises the steps of:

the convex hulls are irregularly shaped, are distributed around the first left mounting holes and the first right mounting holes, and have the height of 0.8-1.2 mm.

Further, the method comprises the steps of:

the seat board comprises mounting lugs which extend to the two outer sides, through holes are formed in the mounting lugs, and the through holes are threaded holes.

Further, the method comprises the steps of:

the depth of the threaded hole is at least 3mm.

The beneficial effects are that: compared with the prior art, the utility model has the advantages that: (1) The utility model designs the reinforcing structure on the automobile back door lock, thereby greatly improving the strength and the safety performance of the door lock and reducing the cost caused by riveting deformation; (2) Compared with three mounting holes in the prior art, the mounting hole is more convenient and simpler to mount.

Drawings

FIG. 1 is a schematic view of a back door lock of an automobile according to the present utility model;

fig. 2 is a schematic structural view of an automobile back door lock with a back plate removed according to the present utility model;

FIG. 3 is a schematic view of a seat plate according to the present utility model;

FIG. 4 is a schematic structural view of a back plate according to the present utility model;

FIG. 5 is a cross-sectional view of the back plate of the present utility model along the direction B-B.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-5, the automobile back door lock with the reinforcing structure comprises a seat board 1, a back board 2 and a lock body 3, wherein a pawl 6 and a clamping board 7 are arranged on the seat board 1, the lock body 3 covers the clamping board 7 and the pawl 6, the back board 2 covers the lock body 3 and is fixedly arranged with the seat board 1, the clamping board 7 is assembled in a containing space between the seat board 1 and the back board 2 through a first rivet 4, the pawl 6 is assembled in the containing space between the seat board 1 and the back board 2 through a second rivet 5, a convex hull 14 close to the direction of the back board 2 is arranged at the riveting position of the clamping board 7, a boss close to the direction of the seat board 1 is arranged at the riveting position of the back board 2, namely, after the seat board and the back board are arranged, the protruding directions of the boss and the convex hull are opposite. The boss and the convex hull are improved in thickness and structure relative to other parts of the part, the effect of reinforcing the riveting position is achieved, the boss designed on the seat board 1 further reinforces the strength of the meshing movement position of the clamping board 7 and the pawl 6, and when the tail door of a vehicle collides, the seat board 1 cannot deform to cause the meshing and the disconnection of the pawl clamping board, so that the national requirements of automobile safety parts are met.

In this embodiment, two mounting holes are provided on the seat plate 1, which are respectively denoted as a first left mounting hole 11 and a first right mounting hole 12, a second left mounting hole 21 corresponding to the first left mounting hole 11 is provided on the back plate 2, and a second right mounting hole 22 corresponding to the first right mounting hole 12, a first rivet 4 passes through the first right mounting hole 21 and the second right mounting hole 22 to fix the clamping plate 7 on the seat plate 1 and the back plate 2, respectively, and a second rivet 5 passes through the first left mounting hole 11 and the second left mounting hole 21 to assemble the pawl 6 on the seat plate 1 and the back plate 2, respectively.

As shown in fig. 4 and 5, the back plate 2 centering on the second left mounting hole 21 is provided with a second left boss 23 close to the direction of the seat plate 1, the second left boss 23 is provided in a ring shape, and the back plate 2 around the second right mounting hole 22 is provided with a second right boss 24 close to the direction of the seat plate, so long as the shape of the second right boss is not limited, and the function of the reinforcing rib is provided.

Specifically, in this embodiment, the height of the second left boss is 0.8-1.2 mm, the radius of the smallest circle corresponding to the ring shape is 5-8 mm, the height of the second right boss is 0.8-1.2 mm, preferably, the heights of the second left boss and the second right boss are 1mm, the smallest radius corresponding to the ring shape is 6mm, and the first rivet and the rivet head of the second rivet on the riveting device are pressed on the concave surface of the boss during riveting, so that the jitter range of the rivet head during riveting is reduced, thereby enabling the riveting to be more stable and reducing the extra cost caused by riveting deformation.

Further, in the present embodiment:

the convex hull 14 may be irregularly shaped, but is desirably disposed around the first left mounting hole 11 and the first right mounting hole 12 with a height of 0.8 to 1.2mm, preferably 1mm.

Further, in this embodiment, the method further includes:

the seat board 1 comprises mounting lugs 13 extending to two outer sides, through holes 131 are formed in the mounting lugs 13, and the through holes are threaded holes. Preferably, the depth of the threaded hole is at least 3mm.

The seat board 1 is provided with two threaded mounting holes, the full thread depth is not less than 3mm, the grade that the threads are not damaged when 15N.m torsion is applied can be achieved, and the requirement of 18.8KN test load specified by ISO 898-2 is met. Two threaded mounting holes are designed on the seat board 1 and are used for mounting the back door lock on the tail door plate. Compared with the common flat plate mounting hole, the threaded mounting hole is convenient for a host factory to mount the back door lock on the tail door plate, and can help the host factory to simplify the structure of the tail door plate.

The material of the seat board 1 is S460MC, which belongs to a high yield strength hot continuous rolling steel plate material, and the yield strength and the tensile strength of the material are both larger than those of S420MC used for a common door lock.

The structure is widely applied to back door locks of multiple types of Biedi automobiles, the door lock ends are durable after 4 ten thousand door opening and closing, and the 30G inertia force resistance test is performed normally.

In addition to the above embodiment, other embodiments of the present utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of protection claimed by the present utility model.

Claims

1. The utility model provides a be provided with additional strengthening's car back door lock, its characterized in that, this car back door lock includes bedplate, backplate and lock body, install pawl and cardboard on the bedplate, the lock body lid is in on cardboard and the pawl, the backplate covers on the lock body, and with bedplate fixed mounting, the cardboard passes through first rivet assembly is in the accommodation space between bedplate and the backplate, the pawl passes through the second rivet assembly is in the accommodation space between bedplate and the backplate, be provided with on the bedplate in the riveting department of first rivet and second rivet and be close to the convex closure of backplate direction, be provided with on the backplate in the riveting department of first rivet and second rivet and be close to the boss of bedplate direction.

2. The automobile back door lock with the reinforcing structure according to claim 1, wherein two mounting holes are formed in the seat plate and are respectively marked as a first left mounting hole and a first right mounting hole, a second left mounting hole corresponding to the first left mounting hole and a second right mounting hole corresponding to the first right mounting hole are formed in the back plate, the first rivet is used for fixing the clamping plate on the seat plate and the back plate through the first right mounting hole and the second right mounting hole respectively, and the second rivet is used for assembling the pawl on the seat plate and the back plate through the first left mounting hole and the second left mounting hole respectively.

3. The automobile back door lock provided with the reinforcing structure according to claim 2, wherein a second left boss near the seat plate direction is provided on the back plate centered on the second left mounting hole, the second left boss is provided in a ring shape, and a second right boss near the seat plate direction is provided on the back plate around the second right mounting hole.

4. The automobile back door lock provided with the reinforcing structure according to claim 3, wherein the height of the second left boss is 0.8-1.2 mm, the radius of the smallest circle corresponding to the ring shape is 5-8 mm, and the height of the second right boss is 0.8-1.2 mm.

5. The automobile back door lock with the reinforcing structure according to claim 3, wherein the convex hulls are irregularly shaped, are distributed around the first left mounting hole and the first right mounting hole, and have a height of 0.8-1.2 mm.

6. The automobile back door lock with the reinforcing structure according to claim 1, wherein the seat plate comprises mounting lugs extending to two outer sides, through holes are formed in the mounting lugs, and the through holes are threaded holes.

7. The automobile back door lock provided with a reinforcing structure according to claim 6, wherein the depth of the screw hole is at least 3mm.