CN216833150U

CN216833150U - Bulletproof vehicle door anti-bending notch structure

Info

Publication number: CN216833150U
Application number: CN202220726215.1U
Authority: CN
Inventors: 周华海; 秦剑; 王晶; 李自朋; 张小峰; 范敬楷
Original assignee: Hubei Changping Automotive Equipment Co ltd
Current assignee: Hubei Changping Automotive Equipment Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-28
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a bulletproof vehicle door anti-bending gap structure, which relates to the technical field of novel structures and solves the problem that bending cracks are easy to generate in the gap of an I-shaped terminal rectangle; the anti-bending notch structure of the bulletproof vehicle door comprises a main vehicle door body; the upper part of the main vehicle door body is provided with an upper vehicle door piece, a bending line is arranged at the joint of the main vehicle door body and the upper vehicle door piece, a first bending notch and a second bending notch are arranged on two sides of the joint of the main vehicle door body and the upper vehicle door piece, the first bending notch is in an arc opening structure design with two sides protruding towards the center, the second bending notch is in an arc opening structure design with a circular shape, the first bending notch and the second bending notch are communicated with each other, and the second bending notch is positioned at the inner side of the first bending notch; this practicality is bent the notch shape end design semi-circular at the second, has effectively prevented the appearance of the fracture of bending, and the risk greatly reduced of fracture of bending has promoted the qualification rate of product.

Description

Bulletproof vehicle door anti-bending notch structure

Technical Field

The utility model belongs to the technical field of novel structure, more specifically say, in particular to shellproof door prevents breach structure of bending.

Background

A bending process is involved in manufacturing of a bulletproof vehicle door of a certain vehicle type, a process notch needs to be designed at the bending position of a bulletproof vehicle door part, flanging interference in the bending process is prevented, and meanwhile positioning is facilitated during bending so as to prevent the vehicle door from being inclined due to bending line deviation.

Based on the above, the V + I type is designed for the current bending notch, the bending notch is arranged in a straight linear structure, the notch after bending is large, the repair welding workload is large, and the bending crack is easily generated in the notch of the I type tail end rectangle.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a breach structure of bending is prevented to shellproof door, it is convex with first breach opening design of bending, reduces breach repair welding work load, and it is littleer to improve back breach repair welding work load, and the breach shape end design semi-circular that bends has effectively prevented the appearance of the fracture of bending, the risk greatly reduced of the fracture of bending.

The utility model discloses shellproof door prevents purpose and efficiency of breach structure of bending is reached by following concrete technical means:

the bulletproof vehicle door bending-prevention notch structure comprises a main vehicle door body; the upper portion of the main vehicle door body is provided with an upper vehicle door piece, a bending line is arranged at the joint of the main vehicle door body and the upper vehicle door piece, a first bending notch and a second bending notch are formed in two sides of the joint of the main vehicle door body and the upper vehicle door piece, the first bending notch is in a V-shaped structure, two sides of the first bending notch are in a circular arc opening structure design protruding towards the center, the second bending notch is in a circular arc opening structure design, the first bending notch and the second bending notch are communicated and arranged with each other, the second bending notch is located on the inner side of the first bending notch, the second bending notch is formed in two ends of the bending line, the main vehicle door body and the upper vehicle door piece are punched and bent along the bending line, after punching and bending, the included angle between the main vehicle door body and the upper vehicle door piece is a certain degree, and after the main vehicle door body and the upper vehicle door piece are bent, the first bending notch and the second bending notch are welded and filled; the main car door body is provided with a connecting opening in a penetrating way, the upper car door piece is provided with a connecting opening in a penetrating way, the middle part of the upper car door piece is provided with a window opening, and the outer side of the window opening of the upper car door piece is provided with a connecting opening in a surrounding way; the punching flanging at the outer sides of the main vehicle door body and the upper vehicle door piece is provided with an arc edge, and the arc edge is arranged at the outer sides of the main vehicle door body and the upper vehicle door piece in a surrounding manner.

The utility model discloses at least, include following beneficial effect:

the utility model optimizes the design on the bending gap, designs the opening of the first bending gap into an arc-shaped structure, reduces the gap repair welding workload, reduces the welding time and improves the working efficiency, and the gap repair welding workload is smaller after the improvement; the tail end of the notch shape for the second bending is designed to be semicircular, so that the cracking of the bending is effectively prevented, the risk of the cracking of the bending is greatly reduced, and the qualification rate of products is improved.

Drawings

FIG. 1 is the structure schematic diagram before the main door body punching flanging of the utility model.

Fig. 2 is a schematic diagram of a magnified part of the structure in fig. 1.

Fig. 3 is the structure schematic diagram after the main door body punching press turn-ups of the utility model.

Fig. 4 is a side view structural schematic diagram of the main vehicle door body of the utility model.

Fig. 5 is a schematic structural diagram of the present invention before and after improvement.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main vehicle door body; 101. a door-mounting member; 102. a first bending notch; 103. a second bending notch; 104. a bending line; 2. arc edge; 3. opening a hole in the window; 4. the connecting opening is formed.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two end," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," and "screwed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 5:

the utility model provides a bulletproof vehicle door anti-bending gap structure, which comprises a main vehicle door body 1; an upper door part 101 is arranged at the upper part of a main door body 1, a bending line 104 is arranged at the joint of the main door body 1 and the upper door part 101, a first bending notch 102 and a second bending notch 103 are respectively arranged at two sides of the joint of the main door body 1 and the upper door part 101, the main door body 1 and the upper door part 101 are punched and bent along the bending line 104, after punching and bending, the included angle between the main door body 1 and the upper door part 101 is 157 degrees, and after the main door body 1 and the upper door part 101 are bent, the first bending notch 102 and the second bending notch 103 are welded and filled; the arc edges 2 are arranged on the outer sides of the main door body 1 and the upper door part 101 in a stamping flanging mode, the arc edges 2 are arranged on the outer sides of the main door body 1 and the upper door part 101 in a surrounding mode, the edges of the main door body 1 and the upper door part 101 are softer due to the arc edges 2, and the adaptation experience of the main door body 1 and the upper door part 101 is improved; the main car door body 1 is provided with a connecting opening 4 in a penetrating mode, the upper car door part 101 is provided with a connecting opening 4 in a penetrating mode, the middle of the upper car door part 101 is provided with a window opening 3, the outer side of the window opening 3 of the upper car door part 101 is provided with the connecting opening 4 in a surrounding mode, the window opening 3 is an installation position of door and window glass, and the connecting opening 4 is an installation connecting hole position of an internal structure.

Referring to fig. 1, 2 and 5, a first bending notch 102 is designed to be a V-shaped arc opening structure, a second bending notch 103 is designed to be a circular arc opening structure, the first bending notch 102 and the second bending notch 103 are communicated with each other, the second bending notch 103 is located at the inner side of the first bending notch 102, the second bending notch 103 is arranged at two ends of a bending line 104, the design on the bending notches is optimized, the opening of the first bending notch 102 is designed to be a non-standard V-shaped and inward-protruding arc structure, the distance between the opening of the first bending notch 102 and two side edges is reduced, the notch repair welding workload is smaller after improvement, the welding time is shortened, and the working efficiency is improved; notch 103 shape end design semi-circular is bent at the second, compares traditional rectangle breach, and circular atress is more even, and the fracture more difficult to appear has effectively prevented the appearance of bending the fracture.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, main door body 1 and last door spare 101 bend along bend line 104, the first notch 102 and the second notch 103 of bending of bend line 104 both sides prevent the turn-ups in the bending process to interfere, design optimization on the notch of bending, design the first notch 102 opening of bending for nonstandard V-arrangement and the convex structure that inwards protrudes, reduce the opening of first notch 102 of bending and the interval of both sides edge, reduce breach repair welding work load, the breach repair welding work load is littleer after improving, reduce the welded time, has improved work efficiency; notch 103 shape end design semi-circular at the second of bending compares traditional rectangle breach, and circular atress is more even, more is difficult to appear the fracture, has effectively prevented the appearance of the fracture of bending, and the risk greatly reduced of fracture of bending has promoted the qualification rate of product, and window trompil 3 is door and window glass's installation position, connects trompil 4 and is inner structure's erection joint hole site.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Bullet-proof door bending-prevention notch structure, its characterized in that: the anti-bending gap structure of the vehicle door comprises a main vehicle door body (1); the upper portion of the main door body (1) is provided with an upper door piece (101), a bending line (104) is arranged at the joint of the main door body (1) and the upper door piece (101), and a first bending notch (102) and a second bending notch (103) are formed in the two sides of the joint of the main door body (1) and the upper door piece (101).

2. The bulletproof vehicle door anti-bending notch structure as defined in claim 1, wherein the first bending notch (102) is designed as a circular arc opening structure protruding toward the middle, the second bending notch (103) is designed as a circular opening structure, and the first bending notch (102) and the second bending notch (103) are arranged in communication with each other.

3. The bulletproof vehicle door anti-bending gap structure as recited in claim 2, wherein the second bending gap (103) is located inside the first bending gap (102), and the second bending gaps (103) are provided at both ends of the bending line (104).

4. The anti-bending notch structure of the bulletproof vehicle door as defined in claim 3, wherein the main vehicle door body (1) is provided with a connecting opening (4) in a penetrating manner, the upper vehicle door part (101) is provided with a window opening (3) in the middle, and the upper vehicle door part (101) is provided with a connecting opening (4) around the outer side of the window opening (3).

5. The bulletproof vehicle door anti-bending notch structure as defined in claim 1, wherein the outer side punching flanging of the main vehicle door body (1) and the upper vehicle door piece (101) is provided with an arc edge (2), and the arc edge (2) is arranged around the outer sides of the main vehicle door body (1) and the upper vehicle door piece (101).

6. The bulletproof vehicle door anti-bending notch structure as defined in claim 1, wherein the main vehicle door body (1) and the upper vehicle door part (101) are stamped and bent along a bending line (104), and after stamping and bending, an included angle between the main vehicle door body (1) and the upper vehicle door part (101) is 157 degrees.

7. The bulletproof vehicle door anti-bending notch structure as defined in claim 1, wherein the first bending notch (102) and the second bending notch (103) are welded and filled after the main vehicle door body (1) and the upper vehicle door part (101) are bent.