CN217396660U

CN217396660U - Inner plate of automobile back door and automobile back door

Info

Publication number: CN217396660U
Application number: CN202221560024.9U
Authority: CN
Inventors: 岳志强
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-09
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses an inner plate of an automobile back door and the automobile back door, wherein a plurality of supporting pieces are arranged on the inner plate, and the inner plate is used for supporting an outer plate; one end of the supporting piece is arranged on the peripheral edge of the inner plate, and the other end of the supporting piece is arranged on the position, far away from the peripheral edge, on the inner plate. The utility model discloses a set up a plurality of support piece and be used for supporting the planking, improve inner panel vibration damping performance, provide the guarantee for auttombilism silence travelling comfort.

Description

Inner plate of automobile back door and automobile back door

Technical Field

The utility model relates to a car back door technical field particularly, relates to an inner panel and car back door of car back door.

Background

Consumers expect quietness and comfort in driving in the automobile more and more, noise in the automobile is well controlled, and the automobile can gain the favor of the consumers. The noise vibration excitation source in the automobile mainly comes from a power assembly and a road surface, a body system is a final vibration receptor, a back door is used as a larger opening and closing part in the body system, and the back door and other opening and closing parts form an automobile closed sound cavity system to cause the problem of vibration rumbling.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to an inner panel of a back door of an automobile.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an inner plate of an automobile back door is provided with a plurality of supporting pieces for supporting an outer plate; one end of the supporting piece is arranged on the peripheral edge of the inner plate, and the other end of the supporting piece is arranged on the inner plate far away from the peripheral edge.

According to the utility model discloses inner panel of car back door is used for supporting the planking through setting up a plurality of support piece, improves inner panel vibration damping performance, provides the guarantee for auttombilism silence travelling comfort.

In addition, according to the utility model discloses the inner panel of car back door can also have following additional technical characterstic:

according to some embodiments of the invention, the support member comprises: the first arc-shaped part is arranged on the inner plate, and the center of the first arc-shaped part is positioned on one side, far away from the outer plate, of the first arc-shaped part; the second arc portion is arranged on the inner plate and connected with the first arc portion, and the center of the second arc portion is close to one side of the outer plate.

According to the utility model discloses a some embodiments, be equipped with first lightening hole on the first arc portion.

According to the utility model discloses a some embodiments, be equipped with connecting portion on the inner panel, connecting portion connect first arc portion is kept away from the one end of second arc portion, on the left and right sides direction, the week is followed for left week or right week, left week along or right week along with the connecting portion interval has the set distance, the set distance does 1/3 of length about the inner panel.

According to the utility model discloses a some embodiments, be equipped with the border roof beam on the inner panel, it is regional to be equipped with the cavity on the border roof beam, the inner panel is established in the cavity is intraductal, the border is connected the border roof beam.

According to some embodiments of the invention, the support member further comprises: an extension portion extending toward the perimeter beam, the extension portion connecting the perimeter beam.

According to some embodiments of the utility model, the circumference collar tie beam includes entablature and door boundary beam, the door boundary beam is connected the entablature, part the extension is connected the door boundary beam.

According to some embodiments of the present invention, the extension portion is provided with a second lightening hole.

According to some embodiments of the invention, the second lightening hole is configured as an arch.

According to some embodiments of the invention, the number of the supporting members is at least two, adjacent two the thickness of the supporting members is different.

Another object of the invention is to provide a back door for a vehicle.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

an automobile back door comprises the inner plate of the automobile back door. The advantages of the automobile back door and the inner plate of the automobile back door are the same compared with the prior art, and are not described herein again.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an explosion diagram of the back door of the car of the present invention.

Fig. 2 is an exploded view of a portion of the structure of the back door of the vehicle of fig. 1.

Fig. 3 is a schematic structural view of the supporter in fig. 1.

Fig. 4 is a schematic view of the engagement of the inner plate and the support member of fig. 1.

Reference numerals:

1000. a vehicle rear door;

100. an inner plate; 101. a connecting portion;

200. an outer plate; 300. a support member; 301. a first arcuate portion; 3011. a first lightening hole; 302. a second arcuate portion; 303. an extension portion; 3031. a second lightening hole;

400. a circumferential beam; 401. an upper cross beam; 402. a door edge beam.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

The present invention will be described in detail with reference to fig. 1 to 4 in conjunction with the embodiments.

As shown in fig. 1, an inner panel 100 of a back door of an automobile according to an embodiment of the present invention.

The inner panel 100 is provided with a plurality of supporters 300 for supporting the outer panel 200. Support planking 200 through setting up support piece 300, reinforcing car back door 1000's intensity, support piece 300 is a plurality of simultaneously to pertinence boosting strength adapts to different car back door 1000's needs more.

One end of the supporting member 300 is disposed on the periphery of the inner plate 100, and the other end is disposed on the inner plate 100 away from the periphery. The support member 300 is connected to different positions of the inner panel 100, so that the support member 300 transmits the force transmitted from the outer panel 200 to different positions of the inner panel 100, thereby improving the vibration damping performance of the inner panel 100.

According to the utility model discloses inner panel 100 of car back door is used for supporting planking 200 through setting up a plurality of support piece 300, improves the vibration damping performance of inner panel 100 of car back door, provides the guarantee for auttombilism silence travelling comfort.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the support member 300 includes: a first arc-shaped part 301 and a second arc-shaped part 302.

The first arc portion 301 is provided on the inner panel 100, and the center of the first arc portion 301 is located on the side of the first arc portion 301 away from the outer panel 200.

A second arc portion 302 is provided on the inner panel 100, the second arc portion 302 connects the first arc portion 301, and the center of the second arc portion 302 is located on the side of the second arc portion 302 close to the outer panel 200. Through setting up first arc portion 301 and second arc portion 302, make support piece 300 wholly be "S" type, utilize "S" type structure to have the big characteristics of dual arch intensity, promote support piece 300' S intensity. It should be noted that the overall shape of the supporting member 300 is "S" and does not mean that the supporting member 300 is a very standard "S", and the supporting member 300 may be a structure similar to "S".

As shown in fig. 2 and 3, according to some embodiments of the present invention, the first arc-shaped portion 301 is provided with a first lightening hole 3011. By providing the first lightening holes 3011 on the first arc-shaped portion 301, the overall weight of the support member 300 is reduced.

As shown in fig. 2 and 4, according to some embodiments of the present invention, the inner panel 100 is provided with the connecting portion 101, the connecting portion 101 connects one end of the first arc portion 301 away from the second arc portion 302, and in the left-right direction, the circumferential edge is a left circumferential edge or a right circumferential edge, the left circumferential edge or the right circumferential edge is spaced from the connecting portion 101 by a set distance, and the set distance is 1/3 of the left-right length of the inner panel 100. By providing the joint 101 with the joint 101 at 1/3 of the left-right length of the inner panel 100, the overall performance of the inner panel 100 is optimized. During vibration of the outer panel 200, the outer panel 200 applies force to the stay 300, and one end of the stay 300 is connected to the inner panel 100 at 1/3 of the length, thereby transmitting the force to the inner panel 100 at the position 1/3 of the length, so that the inner panel 100 can withstand more complicated force.

Specifically, as shown in fig. 2 and 4, there are two connecting portions 101, and the two connecting portions 101 are provided at an interval in the longitudinal direction of the inner plate 100. For example, the length direction of the inner panel 100 is the left-right direction, two links are provided at an interval in the left-right direction, the left-side link 101 is located closer to the left side of the inner panel 100, the distance between the left-side link 101 and the left peripheral edge is 1/3 of the length of the inner panel 100, the right-side link 101 is located closer to the right side of the inner panel 100, and the distance between the right-side link 101 and the right peripheral edge is 1/3 of the length of the inner panel 100.

According to some embodiments of the utility model, be equipped with week circle roof beam 400 on the inner panel 100, be equipped with the cavity region on the week circle roof beam 400, the inner panel 100 is established in the cavity region, and the week of inner panel 100 is along connecting week circle roof beam 400. By providing the perimeter beam 400, the strength of the perimeter beam 400 improves the overall strength of the inner panel 100.

The peripheral beam 400 and the inner plate 100 may be integrally formed or may be separated.

As shown in fig. 2, 3 and 4, according to some embodiments of the present invention, the supporting member 300 further includes: and the extension part 303, the extension part 303 extends to the peripheral beam 400, and the extension part 303 is connected with the peripheral beam 400. The extension part 303 extending from the support 300 is connected with the perimeter beam 400, so that the connection point of the support 300 and other parts is increased, and the stability is enhanced.

As shown in fig. 2 and 4, according to some embodiments of the present invention, the perimeter beam 400 includes an upper beam 401 and a door edge beam 402, the door edge beam 402 connects the upper beam 401, the partial extension 303 connects the upper beam 401, and the partial extension 303 connects the door edge beam 402. The upper cross beam 401 is connected through the partial extension portion 303, the door edge beam 402 is connected through the partial extension portion 303, connection points of the support 300 and other components are further increased, and the connection points are located at different directions, so that the support 300 can conduct more complex force, and the stability is further improved.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the extension portion 303 is provided with a second lightening hole 3031. The weight of the support member 300 is further reduced by providing the second lightening holes 3031.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the second lightening hole 3031 is configured as an arch. By configuring the second lightening holes 3031 to be arched, the connection strength is improved by using the characteristic of high strength of the arch while the weight of the support member 300 is reduced.

As shown in fig. 2 and 4, according to some embodiments of the present invention, the number of the supporting members 300 is at least two, and the thicknesses of two adjacent supporting members 300 are different. By making the thicknesses of the supports 300 different, the possibility of co-frequency resonance of the two supports 300 is reduced, and noise is reduced. The same frequency may be the same vibration frequency, or may refer to the same modal frequency.

Specifically, one of the two supports 300 has a thickness of 0.4mm, and the other support 300 has a thickness of 0.6 mm. Of course, the thickness of the support 300 may have other values, which will not be described herein.

According to the utility model discloses car back door 1000, include: inner panel 100, outer panel 200.

The inner panel 100 is the inner panel 100 of the above-described automobile back door.

The outer panel 200 is disposed on the inner panel 100 and defines a cavity together with the inner panel 100, and a support member is disposed in the cavity, the support member being for supporting the outer panel 200. By providing the outer panel 200 and the inner panel 100, the outer panel 200 and the inner panel 100 together define a cavity, which reduces the weight while improving the overall strength of the back door 1000 of the automobile.

According to the utility model discloses back door of car is used for supporting planking 200 through setting up two at least support piece 300, improves the vibration damping performance of back door of car, provides the guarantee for the car drives the silence travelling comfort.

An automobile back door 1000 according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 4.

The car back door 1000 includes: a perimeter beam 400, an inner plate 100, an outer plate 200, and a support 300.

The perimeter beam 400 includes an upper cross beam 401 and a door edge beam 402, the door edge beam 402 connects the upper cross beam 401, and the upper cross beam 401 and the door edge beam 402 together define a hollow region.

The inner plate 100 is arranged in the hollow area, the periphery of the inner plate 100 is connected with the girth beam 400, the inner plate 100 is provided with two connecting parts 101, the two connecting parts 101 are distributed in the left and right direction, the distance from the left connecting part 101 to the left side of the inner plate 100 is 1/3 of the length of the inner plate 100, and the distance from the right connecting part 101 to the right side of the inner plate 100 is 1/3 of the length of the inner plate 100.

The outer plate 200 is provided on the inner plate 100 and defines a cavity together with the inner plate 100.

The number of the supporters 300 is two, two supporters 300 are provided between the inner plate 100 and the outer plate 200 for supporting the outer plate 200, the two supporters 300 are distributed in the cavity in the left and right direction, the thickness of the left supporter 300 is 0.6mm, the thickness of the right supporter 300 is 0.4mm, and each supporting portion includes: a first arc-shaped part 301, a second arc-shaped part 302 and an extension part 303.

The first arc 301 is provided on the inner panel 100, and the center of the first arc 301 is on the side of the first arc 301 away from the outer panel 200. A first lightening hole 3011 is formed in the first arc-shaped portion 301, and one end, far away from the second arc-shaped portion 302, of the first arc-shaped portion 301 is connected to the connecting portion 101.

A second arc portion 302 is provided on the inner panel 100, the second arc portion 302 connects the first arc portion 301, and the center of the second arc portion 302 is located on the side of the second arc portion 302 close to the outer panel 200.

An extension 303 is arranged on the second arc-shaped part 302, the extension 303 extends towards the perimeter beam 400, part of the extension 303 is connected with an upper cross beam 401, and part of the extension 303 is connected with a door edge beam 402. The extending portion 303 is provided with a first lightening hole 3011, and the back of the second lightening hole 3031 is arched.

1. The utility model discloses design support additional strengthening ' S support piece 300 in car back door 1000 ' S cavity, support piece 300 designs two about, support piece 300 overall design is S type structure, utilize S type structure to have the big characteristics of dual arch intensity, promote self intensity, support piece 300 one end is connected car back door 1000 ' S entablature 401, door boundary beam 402, the other end is connected the middle third position of car back door 1000 ' S inner panel 100, utilize car back door 1000 ' S door beam structural strength to promote car back door 1000 ' S inner panel 100 ' S structural strength.

2. The utility model designs the thickness of one supporting piece 300 to be 0.4mm and the thickness of the other supporting piece 300 to be 0.6mm, thereby avoiding the same frequency vibration and reducing the noise; the support member 300 is provided with a first lightening hole 3011 for lightening, and an arched second lightening hole is designed on the connecting position of the support member 300 and the upper crossbeam 401 and the door side sill 402 of the automobile back door 1000, namely the extending part 303, so that the connecting strength is ensured while lightening.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An inner panel (100) of an automotive back door, characterized in that a plurality of support members (300) are provided on the inner panel (100) for supporting an outer panel (200);

one end of the support piece (300) is arranged on the peripheral edge of the inner plate (100), and the other end of the support piece is arranged on the inner plate (100) far away from the peripheral edge.

2. The inner panel (100) of the automotive back door according to claim 1, wherein the support (300) includes:

a first arc-shaped part (301), wherein the first arc-shaped part (301) is arranged on the inner plate (100), and the center of the first arc-shaped part (301) is positioned on one side, away from the outer plate (200), of the first arc-shaped part (301);

the second arc-shaped part (302) is arranged on the inner plate (100), the second arc-shaped part (302) is connected with the first arc-shaped part (301), and the center of the second arc-shaped part (302) is positioned at one side, close to the outer plate (200), of the second arc-shaped part (302).

3. The inner panel (100) of the back door of the vehicle as claimed in claim 2, wherein the first arc-shaped portion (301) is provided with a first lightening hole (3011).

4. The inner panel (100) of the back door of the vehicle as claimed in claim 2, wherein the inner panel (100) is provided with a connecting portion (101), the connecting portion (101) connects an end of the first arc portion (301) away from the second arc portion (302), and in the left-right direction, the circumferential edge is a left circumferential edge or a right circumferential edge, the left circumferential edge or the right circumferential edge is spaced from the connecting portion (101) by a set distance, and the set distance is 1/3 of the left-right length of the inner panel (100).

5. The inner panel (100) of the back door of the vehicle as claimed in claim 1, wherein a perimeter beam (400) is provided on the inner panel, a hollow region is provided on the perimeter beam (400), the inner panel (100) is provided in the hollow region, and the perimeter is connected to the perimeter beam (400).

6. The inner panel (100) of the automotive back door according to claim 5, wherein the support (300) further comprises: an extension (303), the extension (303) extending toward the perimeter beam (400), the extension (303) connecting the perimeter beam (400).

7. The inner panel (100) of the automotive back door according to claim 6, characterized in that the perimeter beam (400) includes an upper cross beam (401) and a door edge beam (402), the door edge beam (402) being connected to the upper cross beam (401), part of the extension portion (303) being connected to the upper cross beam (401), and part of the extension portion (303) being connected to the door edge beam (402).

8. The inner panel (100) of the automotive back door according to claim 7, characterized in that the extension portion (303) is provided with a second lightening hole (3031).

9. The inner panel (100) of the automotive back door according to claim 8, characterized in that the second lightening hole (3031) is configured in an arch shape.

10. The inner panel (100) of the back door of the automobile according to any one of claims 1 to 9, wherein the number of the supporting members (300) is at least two, and the thicknesses of adjacent two supporting members (300) are different.

11. An automotive back door (1000), comprising:

an inner panel (100), the inner panel (100) being the inner panel (100) of the automotive back door of any one of claims 1 to 10;

the outer plate (200) is arranged on the inner plate (100), a cavity is defined by the outer plate (200) and the inner plate (100), a supporting piece is arranged in the cavity, and the supporting piece is used for supporting the outer plate (200).