CN217863656U

CN217863656U - Automobile back door and vehicle

Info

Publication number: CN217863656U
Application number: CN202123322539.3U
Authority: CN
Inventors: 李洁辰
Original assignee: Shanghai Rox Intelligent Technology Co Ltd
Current assignee: Shanghai Rox Intelligent Technology Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-11-22
Anticipated expiration: 2031-12-27

Abstract

The application provides a car back of body door and vehicle, car back of body door includes: the back door comprises a back door outer plate, a back door inner plate and a reinforcing plate, wherein the reinforcing plate is arranged between the back door outer plate and the back door inner plate; the reinforcing plate is provided with a flanging structure and a boss, the flanging structure protrudes towards the inner plate of the backdoor, the reinforcing plate is fixedly connected with the inner plate of the backdoor through the flanging structure, the boss protrudes towards the outer plate of the backdoor, and the reinforcing plate is fixedly connected with the outer plate of the backdoor through the boss; the back door inner plate and the reinforcing plate are both provided with hinge mounting holes, and the automobile back door is mounted on an automobile body through connecting pieces arranged in the hinge mounting holes. The vehicle includes an automotive back door. The application provides an automobile backdoor passes through the flange structure and the boss of reinforcing plate respectively with backdoor inner panel and backdoor planking fixed connection, promoted the rigidity and the intensity in hinge mounting hole region, guaranteed that structural performance is reliable and stable.

Description

Automobile back spare door and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to an automobile back door and an automobile.

Background

Along with the development of automobile technology, consumers put forward higher requirements on the quality of automobiles, automobile backdoors are used as important parts of automobiles, the requirement on light weight is higher and higher, and the thickness of the backdoor part material is continuously reduced. Under the background, the rigidity of the hinge mounting hole of the automobile back door is sharply reduced, and the risk of falling of the back door is higher and higher. And as the consumer direct visual region, in order to guarantee the good quality of back of the body door outward appearance, some host computer factories adopt to increase the mounting panel on the hinge reinforcing plate, but the small lightweight effect that the reduction of panel beating material thickness brought has been offset in the increase of mounting panel weight to the frock development expense of mounting panel is higher, leads to the cost to increase by a wide margin.

To sum up, the rigidity of the back of the body door hinge mounting hole department that each host computer factory adopted at present promotes the scheme and increases the mounting panel on the hinge reinforcing plate, but the small lightweight effect that spare part panel beating material thickness attenuate brought has been offset in the increase of mounting panel weight. How to adopt a structural scheme for ensuring the light weight of the automobile back door to improve the structural rigidity of the hinge mounting hole of the automobile back door becomes a new problem to be solved urgently in the automobile industry.

SUMMERY OF THE UTILITY MODEL

To above-mentioned problem, this application embodiment provides an automobile back of the body door and vehicle, can effectively improve the rigidity of automobile back of the body door hinge mounting hole department on the basis of guaranteeing the lightweight of automobile back of the body door.

In order to achieve the above purpose, the utility model provides a following technical scheme:

in one aspect, an embodiment of the present application provides an automobile back door, including: the reinforcing plate is arranged between the back door inner plate and the back door outer plate;

the reinforcing plate is provided with a flanging structure and a boss, the flanging structure protrudes towards the inner plate of the backdoor, the reinforcing plate is fixedly connected with the inner plate of the backdoor through the flanging structure, the boss protrudes towards the outer plate of the backdoor, and the reinforcing plate is fixedly connected with the outer plate of the backdoor through the boss;

the back door inner plate and the reinforcing plate are both provided with hinge mounting holes, and the automobile back door is mounted on an automobile body through connecting pieces arranged in the hinge mounting holes.

Optionally, the number of the bosses is at least two, glue coating grooves are formed in the bosses, bonding pieces are arranged in the glue coating grooves, and the bosses are bonded and fixed with the outer back door plate through the bonding pieces.

Optionally, the number of the flanging structures is at least two, the at least two flanging structures are arranged on the periphery of the reinforcing plate, and the flanging structures are welded or bonded on the inner plate of the back door.

Optionally, the hinge mounting hole on the reinforcing plate is provided on the flange structure.

Optionally, a reinforcing rib is further arranged on the reinforcing plate, and the reinforcing rib is arranged near the hinge mounting hole.

Optionally, both side surfaces of the reinforcing plate are provided with reinforcing ribs.

Optionally, the reinforcing plate is provided with a plurality of structural holes.

Optionally, the shape of the reinforcement panel matches the shape of the corner regions of the back door inner and outer panel portions.

Alternatively, the reinforcing plate is integrally formed of a plastic or metal material.

In another aspect, the present application provides a vehicle including the automotive back door described in any one of the above aspects.

The beneficial effect of this application:

the application provides an automobile backdoor has set up the reinforcing plate between backdoor inner panel and backdoor planking, and the reinforcing plate sets up the hinge mounting hole annex on the backdoor inner panel, is provided with flange structure and boss on the reinforcing plate, and flange structure and boss are used for being fixed in respectively with the reinforcing plate back of the body door inner panel and back of the body door planking. The application provides an automobile back spare door has improved the regional structural rigidity and the intensity of hinge mount hole through setting up the reinforcing plate, has improved the stable in structure and the reliability of automobile back spare door on the lightweight basis of guaranteeing the automobile back spare door.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a reinforcement panel and a back door inner panel according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the connection between the reinforcing plate and the outer plate of the back door provided in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a reinforcing plate provided in an embodiment of the present application;

FIG. 4 is an enlarged view at M of FIG. 1;

FIG. 5 is an enlarged view at N of FIG. 2;

fig. 6 isbase:Sub>A sectional view of the automobile back door provided in the embodiment of the present application, taken along the directionbase:Sub>A-base:Sub>A in fig. 5.

The reference signs are:

1. a reinforcing plate; 11. a flanging structure; 12. a boss; 13. gluing a slot; 14. bonding the parts; 15. A hinge mounting hole; 16. reinforcing ribs; 17. a structural pore;

2. a back door inner panel;

3. and (4) backing a door outer plate.

The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings. Specific embodiments of the present application have been shown by way of example in the drawings and will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the invention, and not to limit the invention. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Along with automobile technology development, the lightweight requirement of automobile back spare door is higher and higher, and spare part material thickness constantly thins, and under this background, back of the body door hinge mounting hole department rigidity sharply descends, and the risk that falls under the back of the body door is higher and higher. In order to ensure the good quality of the appearance of the backdoor, some host factories increase the mounting plates on the hinge reinforcing plates, but the increase of the weight of the mounting plates offsets the tiny lightweight effect caused by the thickness reduction of the sheet metal materials of the parts, and the tooling development cost of the mounting plates is higher, so that the cost is greatly increased.

In order to solve the prior art problem, the embodiment of the application provides an automobile back door and an automobile, and the structural strength of the automobile back door and the connection strength of the automobile body can be improved. The following first describes the automobile back door provided in the embodiment of the present application.

Fig. 1 and 2 illustrate an automotive back door provided in an embodiment of the present application, which includes: the back door comprises a reinforcing plate 1, a back door inner plate 2 and a back door outer plate 3, wherein the reinforcing plate 1 is arranged between the back door inner plate 2 and the back door outer plate 3; the reinforcing plate 1 is provided with a flanging structure 11 and a boss 12; the flange structure 11 protrudes towards the back door inner plate 2, the reinforcing plate 1 is fixedly connected with the back door inner plate 2 through the flange structure 11, the boss 12 protrudes towards the back door outer plate 3, and the reinforcing plate 1 is fixedly connected with the back door outer plate 3 through the boss 12; the back door inner plate 2 and the reinforcing plate 1 are both provided with hinge mounting holes 15, and the automobile back door is mounted on an automobile body through connecting pieces arranged in the hinge mounting holes 15.

The number of the reinforcing plates 1 is equal to the number of the back door hinges on the automobile body, and normally, the reinforcing plates 1 are respectively arranged at the left and the right of the corner parts of the upper part of the back door of the automobile. Referring to fig. 1, a reinforcing plate 1 is shown disposed at a right upper corner portion of a back door of an automobile, and the reinforcing plate 1 and its connection at a left upper corner portion of the back door of the automobile are not shown in the drawing. The two reinforcing plates 1 may be separated from each other, or may be connected by a connecting plate or other means. In some embodiments, the reinforcing plate 1 may be provided at one of a left corner portion and a right corner portion of the upper portion of the back door of the automobile.

In some embodiments, referring to fig. 3, the boss 12 is provided with a glue slot 13, and the shape of the glue slot 13 may be annular, rectangular, circular or any other shape, as long as the accommodation effect is satisfied. The number of the glue coating grooves 13 on each boss 12 can be one or more, and is not limited herein, and only the fixed connection between the reinforcing plate 1 and the outer backdoor panel 3 is required. Referring to fig. 5, an adhesive member 14 is disposed in the glue coating groove 13, and the boss 12 is adhered to the outer tailgate panel 3 by the adhesive member 14. In some embodiments, the adhesive 14 is an expansion glue to improve the adhesion between the reinforcement plate 1 and the outer door panel 3.

In some embodiments, the number of bosses 12 is provided as at least two. Along with the increase of the number of the bosses 12, the number of the glue coating grooves 13 is increased, and then the fixing point positions of the reinforcing plate 1 and the back door inner plate 2 are increased, so that the self rigidity of the automobile back door is improved. In some embodiments, two bosses 12 are provided, the glue applying grooves 13 on the bosses 12 are rectangular, and one glue applying groove 13 is provided.

In some embodiments, with continued reference to fig. 3, the flange structure 11 is located at the periphery of the reinforcing plate 1, and typically, the flange structure 11 is a planar structure, which is used to fix the reinforcing plate 1 to the back door inner panel 2. The fixing mode of the flanging structure 11 and the back door inner plate 2 is single welding, single bonding or the combination of welding and bonding. The number of the flanging structures 11 is at least two, and the flanging structures 11 above two can be located on the same plane or not. Along with the increase of 11 numbers of turn-ups structure, the fixed area of reinforcing plate 1 and back of the body door inner panel 2 increases to improve the joint strength of reinforcing plate 1 and back of the body door inner panel 2, reduced the emergence of reinforcing plate 1 deformation fracture, prolonged car back of the body door life. In the embodiment shown in fig. 3, a plurality of flange structures 11 are arranged around the periphery of the reinforcing plate 1, and the number of the flange structures 11 is eleven.

In some embodiments, with continued reference to FIG. 4, the hinge mounting holes 15 in the reinforcement panel 1 are provided in the flange structure 11. When the flanging structure 11 is fixedly connected with the backdoor inner plate 2, the hinge mounting hole 15 arranged on the flanging structure 11 and the hinge mounting hole arranged on the backdoor inner plate 2 are overlapped to form a through hole, the through hole is used for mounting a connecting piece, one end of the connecting piece penetrates through the through hole, and the other end of the connecting piece is rotatably connected with the vehicle body. Preferably, the connecting member is a hinge.

In some embodiments, a plurality of hinge mounting holes 15 are provided in the same flanging structure 11, and the flanging structure 11 where the hinge mounting holes 15 are located is attached to the back door inner panel 2, so as to increase the rigidity of the hinge mounting hole 15 area. In other embodiments, the plurality of hinge mounting holes 15 are respectively disposed on the plurality of flange structures 11 or on other regions outside the flange structures 11.

In some embodiments, the reinforcing plate 1 is further provided with a reinforcing rib 16, the reinforcing rib 16 is used for enhancing the rigidity of the reinforcing plate 1, and the reinforcing rib 16, the flanging structure 11 and the boss 12 together improve the rigidity and the strength of the reinforcing plate 1, so that the structural performance of the reinforcing plate 1 is stable and reliable. In some embodiments, at least one side surface of the reinforcing plate 1 is provided with a reinforcing rib. In some preferred embodiments, both side surfaces of the reinforcing plate 1 are provided with reinforcing ribs 16. The present application does not limit the position and number of the reinforcing ribs 16, and the number of the reinforcing ribs 16 is set to two, for example. The position of the reinforcing rib 16 is set near the hinge mounting hole 15 to improve the structural strength of the area near the hinge mounting hole 15.

In some embodiments, the reinforcing plate 1 is provided with a plurality of structural holes 17, some structural holes 17 in the plurality of structural holes 17 are used for threading, some structural holes 17 are used for positioning, and some structural holes 17 are used for reducing the weight of the body of the reinforcing plate 1 without affecting the rigidity of the reinforcing plate 1, so as to realize the light weight of the back door of the automobile.

In some embodiments, referring to fig. 4 and 5, the shape of the reinforcing panel 1 matches the shape of the upper corner portions of the inner and outer door back

panels

2 and 3. The reinforcing plate 1 is fixed between the inner and

outer backdoor panels

2 and 3, and may have a substantially rectangular or L-shaped contour. Illustratively, the reinforcing plate 1 has an L-shaped profile.

In some embodiments, the reinforcing plate 1 is made of a plastic or metal material by integral molding, and the integrally molded reinforcing plate 1 in the embodiments of the present application can save the number of molds and reduce the number of machining processes, thereby improving the machining efficiency of the back door of the automobile.

The application also provides a vehicle comprising the automobile back door described in any of the above aspects, wherein the automobile back door is mounted on the vehicle body through a connector arranged in the hinge mounting hole 15. The application provides a vehicle lightweight degree is higher and it is more convenient to use.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. An automotive tailgate, comprising: the back door comprises a reinforcing plate (1), a back door inner plate (2) and a back door outer plate (3), wherein the reinforcing plate (1) is arranged between the back door inner plate (2) and the back door outer plate (3);

the reinforcing plate (1) is provided with a flanging structure (11) and a boss (12), the flanging structure (11) protrudes towards the backdoor inner plate (2), the reinforcing plate (1) is fixedly connected with the backdoor inner plate (2) through the flanging structure (11), the boss (12) protrudes towards the backdoor outer plate (3), and the reinforcing plate (1) is fixedly connected with the backdoor outer plate (3) through the boss (12);

the back door inner plate (2) and the reinforcing plate (1) are provided with hinge mounting holes (15), and the automobile back door is mounted on an automobile body through connecting pieces arranged in the hinge mounting holes (15).

2. The automobile back door as claimed in claim 1, wherein the number of the bosses (12) is at least two, glue coating grooves (13) are formed in the bosses (12), bonding pieces (14) are arranged in the glue coating grooves (13), and the bosses (12) are bonded and fixed with the back door outer plate (3) through the bonding pieces (14).

3. The automobile back door as claimed in claim 1, wherein the number of the flanging structures (11) is at least two, at least two flanging structures (11) are arranged on the periphery of the reinforcing plate (1), and the flanging structures (11) are welded or bonded with the back door inner plate (2).

4. The automotive tailgate according to claim 1, characterized in that the hinge mounting hole (15) in the reinforcement panel (1) is provided in the flanging structure (11).

5. The automotive tailgate according to claim 4, characterized in that a reinforcement rib (16) is further provided on the reinforcement plate (1), the reinforcement rib (16) being provided in the vicinity of the hinge mounting hole (15).

6. The automotive tailgate according to claim 5, characterized in that both side surfaces of the reinforcement panel (1) are provided with the reinforcing bead (16).

7. The motor vehicle tailgate according to claim 1, characterized in that the reinforcing plate (1) is provided with a plurality of structural holes (17).

8. The motor vehicle tailgate according to claim 1, characterized in that the shape of the reinforcing panel (1) matches the shape of the corner regions of the tailgate inner panel (2) and the tailgate outer panel (3).

9. The motor vehicle tailgate according to claim 1, characterized in that the reinforcement panel (1) is made in one piece from a plastic or metal material.

10. A vehicle comprising an automotive tailgate according to any of claims 1-9.