CN218876853U

CN218876853U - Back door inner plate, back door and vehicle

Info

Publication number: CN218876853U
Application number: CN202220867475.0U
Authority: CN
Inventors: 随学永; 孔玲平; 李�灿; 刘业鹏; 朱春伟; 周柯涛; 关鹏飞; 田燕
Original assignee: Hozon New Energy Automobile Co Ltd
Current assignee: Hozon New Energy Automobile Co Ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2023-04-18
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to a back door inner panel, back door and vehicle, be equipped with the window on the inner panel, the lower part of inner panel is equipped with reinforcement bar and lock cooperation region, the reinforcement bar is to protruding the stretching in the car, just the reinforcement bar includes the first muscle body and the second muscle body of intercrossing, the first muscle body with one of them of the second muscle body certainly the lower direction of window the edge extension of inner panel, the first muscle body with wherein another of the second muscle body certainly the below of window extends to lock cooperation region. The utility model discloses can promote the intensity of back door by a wide margin when satisfying back door light weight nature performance.

Description

Back door inner plate, back door and vehicle

Technical Field

The utility model particularly relates to a back door inner plate, back door and vehicle.

Background

The back door of the vehicle is generally obtained by combining a plastic inner plate and a plastic outer plate, and rectangular windows for mounting windshields are arranged on the inner plate and the outer plate; the all-plastic design causes the defects of insufficient rigidity or strength or high brittleness and easy breakage in collision of the back door (especially the window area).

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a back door inner panel, back door and vehicle, this back door inner panel can increase the bulk strength of back door.

Be equipped with the window on the inner panel, the lower part of inner panel is equipped with stiffening rib and lock cooperation region, the stiffening rib is protruding to stretching in the car, just the stiffening rib includes the first muscle body and the second muscle body of intercrossing, first muscle body with one of them of the second muscle body certainly the lower direction of window the edge extension of inner panel, first muscle body with wherein another of the second muscle body certainly the below of window extends to lock cooperation region.

Optionally, the bead reinforcement is X-shaped.

Optionally, the inner plate has a U-shaped cross section at a position corresponding to the reinforcement, so as to form an accommodating space for accommodating the reinforcement.

Optionally, the bottom of the accommodating space is provided with a first reinforcing rib, the first reinforcing rib extends outwards from the bottom of the accommodating space, and one end of the first reinforcing rib, which is far away from the inner plate, is used for contacting with the reinforcement.

Optionally, a plurality of lightening holes are formed below the window, the reinforcing ribs are located below the lightening holes, and the upper ends of the first rib bodies and the upper ends of the second rib bodies are connected with the lightening holes.

The utility model also provides a back door, which comprises an outer plate, a reinforcing piece and the inner plate, wherein the reinforcing piece is fixed on the inner plate, is positioned at one side of the window and surrounds the corresponding end of the window; the central part of the cross section of the reinforcing element is convex relative to the edges of the cross section of the reinforcing element and forms a reinforcing rib.

Optionally, the reinforcing members are disposed on left and right sides of the window, and a reinforcing bracket is disposed between and connected to the reinforcing members.

Optionally, the door lock further comprises a lock reinforcing plate, wherein the lock reinforcing plate is installed in the lock matching area and used for increasing the strength of the lock installation position of the back door.

Optionally, one of the first rib and the second rib extends from the lower part of the reinforcement to the door lock fitting region on the outer side surface of the inner panel; the reinforcing ribs, the reinforcing support, the door lock matching area and the lock reinforcing plate are connected into a closed frame.

Optionally, a strut reinforcement plate is arranged at the lower part of the reinforcement member, and the strut reinforcement plate is used for bearing the force applied by the strut to the back door when the strut works.

Optionally, a plurality of matching tables protruding outwards from the inner plate are arranged below the window, the top ends of the matching tables are used for coating structural adhesive, and the structural adhesive is used for bonding the inner plate and the outer plate.

The utility model also provides a vehicle, include as above arbitrary back door inner panel.

To sum up, through setting up an inner panel that has the strengthening rib, the utility model discloses can promote the intensity of back door by a wide margin when satisfying back door light weight nature performance.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically illustrated below, and the detailed description is given in conjunction with the accompanying drawings.

Drawings

Fig. 1 is an exploded view of a back door according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a reinforcement member according to an embodiment of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view ofbase:Sub>A reinforcement member taken along linebase:Sub>A-base:Sub>A in an embodiment of the present invention.

Fig. 4 is a partial schematic view of an inner plate in an embodiment of the present invention.

Fig. 5 is a cross-sectional view of the inner panel along the line B-B in the embodiment of the present invention.

Fig. 6 is a schematic structural view of an upper portion of an inner plate in an embodiment of the present invention.

Fig. 7 is a schematic view of the inner plate and the reinforcement member after being assembled according to the embodiment of the present invention.

Fig. 8 is a schematic view illustrating the installation of the reinforcing member and the reinforcing bracket on the inner panel according to the embodiment of the present invention.

Fig. 9 is a schematic view of the reinforcing member and the reinforcing bracket connected to form a frame according to an embodiment of the present invention.

Fig. 10 is a schematic structural view of the inner plate facing inward in the embodiment of the present invention.

Fig. 11 is a schematic structural view of the lower portion of the inner plate and the license plate mounting plate according to the embodiment of the present invention.

Fig. 12 is a schematic view of the embodiment of the present invention in which the reinforcement, the reinforcement bracket, the reinforcement rib, the door lock fitting region, and the lock reinforcement plate are connected to form a frame on the inner panel.

Description of the reference numerals

I-a first opening, II-a second opening, III-a zone, IV-a door lock mating zone,

10-inner plate, 101-window, 102-first reinforcing rib, 103-lightening hole, 1031-first lightening hole, 1032-second lightening hole, 1033-third lightening hole, 1034-fourth lightening hole, 1035-fifth lightening hole, 1036-sixth lightening hole, 104-second reinforcing rib, 2-outer plate, 3-reinforcing member, 31-mounting hole, 32-contour hole, 4-reinforcing bracket, 5-brace reinforcing plate, 6-lock reinforcing plate, 7-reinforcing rib, 71-first rib, 72-second rib, 8-first matching table, 9-second matching table, 11-third matching table, 12-fourth matching table, 13-fifth matching table, 14-first structural adhesive, 15-second structural adhesive, 16-third structural adhesive, 17-fourth structural adhesive, 18-fifth structural adhesive, and 19-license plate mounting plate.

Detailed Description

The following detailed description of the embodiments of the present invention is made 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.

The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example one

As shown in fig. 1 to 2, the present embodiment provides a vehicle whose back door includes an inner panel 10, an outer panel 2, and a pair of reinforcements 3 located between the inner panel 10 and the outer panel 2; wherein the inner plate 10 and the outer plate 2 are made of plastic, and the reinforcement 3 is made of metal; the inner panel 10 is provided with a rectangular window 101 for mounting a rear windshield (not shown); the reinforcement 3 is entirely U-shaped, having a first opening I facing the window 101; on the outer side of the inner panel 10, two reinforcing members 3 are provided on the left and right sides of the window 101, respectively, and surround the corresponding ends of the window 101 on the peripheries of the left and right sides of the window 101. As shown in fig. 3, the central part of the cross section of the reinforcing member 3 is protruded relative to the edges of the cross section thereof and formed into a rib to form a U-shaped cross section capable of increasing its moment of inertia, the U-shaped cross section having a second opening II facing the outside. Accordingly, the strength of the back door can be greatly improved without a significant change in the weight of the back door when the back door is assembled by the inner panel 10 and the outer panel 2, because the strength of the vicinity of the window 101 (particularly, the vicinity of both right and left ends of the window 101) is improved by the surrounding of the reinforcement 3.

Further, as shown in fig. 4 and 5, each edge of the window 101 protrudes outward with respect to the inner panel 10 in the vicinity thereof; the U-shaped cross section with the outward opening is formed in the position, corresponding to the reinforcing piece 3, of the inner plate 10, the accommodating space for accommodating the reinforcing piece 3 can be formed in the inner plate 10, the inertia moment of the inner plate 10 is increased in cooperation with the reinforcing piece 3 with the U-shaped cross section, the bending rigidity, the torsional rigidity and the lateral rigidity of the inner plate 10 are enhanced, and the bending rigidity, the torsional performance and the creep resistance of the back door are improved.

Further, referring to fig. 6 and 7, in the area of the inner panel 10 covered by the reinforcement 3, a first reinforcing rib 102 is formed to extend outward from the bottom of the accommodating space, and the first reinforcing rib 102 is cross-shaped or T-shaped and is used to abut against the reinforcement 3, so as to construct a contact point and a force transmission path between the inner panel 10 and the reinforcement 3, and prevent the plastic inner panel 10 and the metal reinforcement 3 from being unable to be tightly connected.

With continued reference to fig. 8 and 9, the inner panel 10 is further provided with a metal reinforcing bracket 4, the reinforcing bracket 4 is located between the upper ends of the two reinforcing members 3, and the left and right ends of the reinforcing bracket 4 are respectively connected to the two reinforcing members 3 to connect the two reinforcing members 3 together; correspondingly, the reinforcing part 3 is provided with a through hole for a fixing part for installing the reinforcing bracket 4 to penetrate; the reinforcing bracket 4 and the two reinforcing members 3 can form a metal frame with an opening facing downward on the back door together, thereby further improving the effect of the reinforcing members 3 on increasing the strength of the back door. Optionally, in some vehicle models, the reinforcing bracket 4 can also be used as a mounting reinforcing seat of the spoiler, and provides a mounting point with reliable rigidity for the spoiler.

Preferably, the reinforcement 3 is further provided with a plurality of mounting holes 31 for cooperating with fixing members such as bolts to fixedly connect the reinforcement 3 with the inner panel 10. Preferably, the diameter of the mounting holes 31 is 8mm, and the distance between the mounting holes 31 is not more than 220mm.

More preferably, the present embodiment is provided with six lightening holes 103 penetrating the inner panel 10 in the vicinity of the lower edge of the window 101 for ensuring the lightweight performance of the back door without excessively affecting the overall strength of the inner panel 10. Specifically, the weight reducing holes 103 are, from left to right, a first weight reducing hole 1031, a second weight reducing hole 1032, a third weight reducing hole 1033, a fourth weight reducing hole 1034, a fifth weight reducing hole 1035 and a sixth weight reducing hole 1036 in sequence, wherein the first weight reducing hole 1031 and the sixth weight reducing hole 1036 are respectively located near the left corner and the right corner of the lower edge of the window 101, the first weight reducing hole 1031 is specifically located at the left side of the window 101 and corresponds to the lower edge of the reinforcement 3, and the sixth weight reducing hole 1036 is specifically located at the right side of the window 101 and corresponds to the lower edge of the reinforcement 3; correspondingly, the lower edge of the reinforcement 3 is provided with a contour hole 32 corresponding to the shape of the first lightening hole 1031 or the sixth lightening hole 1036, and the circumferential side of the contour hole 32 is also provided with the mounting hole 31.

In this way, the reinforcement 3 around the first lightening hole 1031 and the sixth lightening hole 1036 can be fixedly connected to the inner panel 10 through the mounting hole 31 on the periphery of the contour hole 32, so that the lightening holes 103 near the corners of the window 101 are reinforced while the inner panel 10 is lightened, thereby ensuring that no region with too low strength exists on the back door. Further, the inner panel 10 is further provided with second reinforcing ribs 104 on the peripheral sides of the second lightening holes 1032, the third lightening holes 1033, the fourth lightening holes 1034 and the fifth lightening holes 1035, and the second reinforcing ribs 104 are transversely or vertically arranged on the peripheral sides of the lightening holes 103, so as to also ensure that no area with too low strength appears on the back door. One skilled in the art can adjust the strength of the second reinforcing beads 104 by adjusting the height, spacing, and wall thickness of the second reinforcing beads 104.

Further, a metal stay reinforcement plate 5 may be provided at a lower portion of the reinforcement 3, specifically, at a position diagonally below a lower right corner of the window 101, for receiving a force applied to the back door by the trunk stay (not shown) through the inner panel 10 when the trunk stay is operated, so as to ensure strength and abrasion resistance (hardness) of a contact area between the back door and the trunk stay.

Alternatively, a plastic upper trim (not shown) clamped with the inner plate 10 may be disposed on the upper portion of the reinforcing bracket 4 (see region III in fig. 8), so that the plastic upper trim is clamped between the inner plate 10 and the outer plate 2, and a through hole capable of being engaged with a snap or a bolt is disposed on the plastic upper trim, so that the outer plate 2 can be fixedly connected with the upper portion of the inner plate 10 by being clamped with or screwed with the plastic upper trim.

Example two

As shown in fig. 10 and 11, the difference between the present embodiment and the first embodiment is that the inner panel 10 of the present embodiment is further provided with a pair of X-shaped beads 7 below the lightening holes 103, and the two beads 7 are provided on the inner panel 10 one by one and protrude from the inner side surface of the inner panel 10 toward the vehicle interior, so that the strength of the lower portion of the inner panel 10 can be enhanced while ensuring the lightweight performance of the inner panel 10, and the window 101 is reinforced, thereby increasing the strength of the entire back door. In addition, a door lock fitting region IV for mounting a door lock (not shown) is provided at a middle position of a lower portion of the inner plate 10, and a metal lock reinforcing plate 6 is mounted in the door lock fitting region IV for increasing strength of a door lock mounting place; the lock reinforcement plate 6 may increase the strength of the door lock installation site by providing a mounting point with high rigidity for the door lock of the back door, or by reinforcing the strength of the door lock fitting region IV.

Specifically, the bead 7 includes a first bead body 71 and a second bead body 72 that intersect with each other, where the first bead body 71 extends from the upper left of the actual vehicle to the lower right, and the second bead body 72 extends from the upper right to the lower left. In this embodiment, the reinforcement rib 7 located at the left portion of the inner panel 10 is located below the first lightening hole 1031, the second lightening hole 1032 and the third lightening hole 1033, the upper end of the first rib body 71 is connected to the first lightening hole 1031, the upper end of the second rib body 72 is connected to the third lightening hole 1033, the lower end of the first rib body 71 extends to the upper left portion of the door lock fitting region IV, and the lower end of the second rib body 72 extends to the left edge of the inner panel 10; the reinforcement bar 7 located at the left portion of the inner panel 10 is located at the lower portions of the fourth, fifth and

sixth lightening holes

1034, 1035 and 1036, the upper end of the first bar body 71 is connected to the fourth lightening hole 1034, the upper end of the second bar body 72 is connected to the sixth lightening hole 1036, the lower end of the first bar body 71 extends to the right edge of the inner panel 10, and the upper end of the second bar body 72 extends to the upper right portion of the door lock mating region IV. Based on this, when the reinforcement 3, the reinforcement bracket 4 and the lock reinforcement plate 6 are all installed below the inner panel 10, the reinforcement 3, the reinforcement bracket 4, the door lock fitting region IV, the lock reinforcement plate 6 and the reinforcement rib 7 are connected to form an irregular-shaped closed path as shown in fig. 12, which is equivalent to forming a closed frame with high strength on the inner panel 10, and thus the strength of the back door can be greatly enhanced, and the risk of the back door cracking and disassembling under collision can be reduced.

Referring back to fig. 11, in the present embodiment, a first matching platform 8 is further disposed below the first weight-reducing hole 1031, a second matching platform 9 is further disposed below the second weight-reducing hole 1032, a third matching platform 11 is further disposed below the third weight-reducing hole 1033 and the fourth weight-reducing hole 1034, a fourth matching platform 12 is further disposed below the fifth weight-reducing hole 1035, and a fifth matching platform 13 is further disposed below the sixth weight-reducing hole 1036; the first matching table 8, the second matching table 9, the third matching table 11, the fourth matching table 12 and the fifth matching table 13 are formed by protruding outwards from the inner surface of the inner plate 10, and the top parts of the first matching table, the second matching table, the third matching table, the fourth matching table and the fifth matching table are used for coating structural adhesive, so that the bonding force exists between the inner plate 10 and the outer plate 2 besides the connection through fixing pieces such as bolts, and the connection stability between the two is ensured. Further, after the structural adhesives are coated on each matching platform, as shown in fig. 11 and 12, the first structural adhesive 14 on the first matching platform 8 is located on the left side of the left reinforcing rib 7, the second structural adhesive 15 on the second matching platform 9 is located at the middle included angle of the left reinforcing rib 7, the third structural adhesive 16 on the third matching platform 11 is located between the left reinforcing rib 7 and the right reinforcing rib 7, the fourth structural adhesive 17 on the fourth matching platform 12 is located at the middle included angle of the right reinforcing rib 7, the fifth structural adhesive 18 on the fifth matching platform 13 is located on the right side of the right reinforcing rib 7, and each structural adhesive is uniformly distributed on the lower portion of the inner plate 10 to ensure that the lower portion of the inner plate 10 and the outer plate 2 are reliably bonded together.

Further, in the present embodiment, a license plate mounting plate 19 (see fig. 11) made of plastic is further provided between the inner plate 10 and the outer plate 2, and the license plate mounting plate 19 is located near the lock reinforcement plate 6 and spaced apart from the inner plate 10 for being connected to the outer plate 2 by means of bonding to provide a mounting point for a vehicle license plate (not shown).

In summary, by providing a reinforcement 3 for reinforcing the strength of the inner panel 10 or providing the inner panel 10 with the reinforcement ribs 7, the utility model can greatly improve the strength of the back door while satisfying the lightweight performance of the back door; further, strengthen support 4, strengthening rib 7, lock cooperation region IV and lock reinforcing plate 6 through the setting, the utility model discloses can form a closed frame who has high strength on the back of the body door to strengthen the intensity of back of the body door by a wide margin.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The back door inner plate is characterized in that a window (101) is formed in the inner plate (10), a reinforcing rib (7) and a door lock matching area are arranged on the lower portion of the inner plate (10), the reinforcing rib (7) protrudes towards the inside of a vehicle, the reinforcing rib (7) comprises a first rib body (71) and a second rib body (72) which are mutually crossed, one of the first rib body (71) and the second rib body (72) extends from the lower portion of the window (101) to the edge of the inner plate (10), and the other of the first rib body (71) and the second rib body (72) extends from the lower portion of the window (101) to the door lock matching area.

2. A tailgate inner plate according to claim 1, characterized in that the stiffening bead (7) is X-shaped.

3. A back door inner plate according to claim 1, wherein the inner plate (10) has a U-shaped cross-section at a position corresponding to the reinforcement (3) for forming a receiving space for receiving the reinforcement (3).

4. The inner panel of the back door as claimed in claim 3, wherein the bottom of the receiving space is provided with a first reinforcing rib (102), the first reinforcing rib (102) is formed by extending outward from the bottom of the receiving space, and an end of the first reinforcing rib, which is away from the inner panel (10), is used for contacting with the reinforcement (3).

5. A back door inner plate according to claim 1, wherein a plurality of lightening holes (103) are formed below the window (101), the reinforcing beads (7) are formed below the lightening holes (103), and the upper ends of the first beads (71) and the second beads (72) are connected to the lightening holes (103).

6. A tailgate, characterized in that it comprises an outer panel (2), a reinforcement (3) and an inner panel (10) according to any one of claims 1 to 5, the reinforcement (3) being fixed to the inner panel (10), on one side of the window (101), and surrounding the corresponding end of the window (101); the middle of the cross section of the reinforcing member (3) is convex relative to the edge of the cross section and forms a reinforcing rib.

7. A back door according to claim 6, wherein the stiffening members (3) are arranged on the left and right sides of the window (101), and a stiffening bracket (4) is located between the stiffening members (3) and connected to the stiffening members (3).

8. The back door according to claim 7, further comprising a lock reinforcement plate (6), the lock reinforcement plate (6) being installed in the door lock fitting region for increasing strength of a door lock installation of the back door.

9. The tailgate according to claim 8, characterized in that, on the outer side of the inner panel (10), one of the first rib (71) and the second rib (72) extends from the lower portion of the reinforcement (3) to the door lock engagement area; the reinforcing ribs (7), the reinforcing support (4), the door lock matching area and the lock reinforcing plate (6) are connected into a closed frame.

10. A back door according to claim 6, wherein the lower part of the stiffening element (3) is provided with a stay reinforcement plate (5), the stay reinforcement plate (5) being adapted to take up forces exerted by the stay on the back door when the stay is in operation.

11. A back door according to claim 6, wherein a plurality of matching platforms projecting outwards from the inner panel (10) are arranged below the window (101), the top ends of the matching platforms being used for coating structural glue for adhering the inner panel (10) and the outer panel (2).

12. A vehicle characterized by comprising the back door inner panel (10) according to any one of claims 1 to 5.