Back door structure and vehicle

Abstract

The utility model relates to a back door structure and a vehicle, the back door structure comprises a back door outer plate and a back door inner plate, the back door outer plate is arranged on one side of the back door inner plate, and the back door outer plate is made of plastic materials and detachably connected with the back door inner plate. The rear back door inner plate and the rear back door outer plate are detachably connected, when the rear back door outer plate is damaged or needs to be replaced, the rear back door outer plate can be directly detached from the rear back door inner plate, the rear back door outer plate can be replaced, and the effect of reducing replacement and maintenance cost is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, in particular to a tailgate structure and a vehicle. Background Art

[0002] An electric vehicle is a vehicle that uses an electric motor as a traction device, is completely powered by rechargeable batteries, and complies with all requirements of road traffic and safety regulations. The tailgate is part of an electric vehicle. It is a relatively important opening and closing component and is the main component that reflects the rear styling of the vehicle. It also has performance requirements such as opening and closing durability and trunk impact resistance.

[0003] The existing tailgate structure includes a tailgate outer panel and a tailgate inner panel. The tailgate outer panel is usually made of sheet metal with a high density, which makes it difficult to meet the lightweight requirements of the tailgate, increasing the cost of the vehicle and energy consumption during use. In addition, the tailgate outer panel is directly connected to the tailgate inner panel. When the tailgate outer panel is damaged or needs to be replaced, it cannot be disassembled and the entire tailgate structure needs to be replaced, which results in high maintenance costs. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a tailgate structure and a vehicle to solve the technical problems in the prior art that it is difficult to meet the lightweight requirements of the tailgate, increase vehicle cost and energy consumption, and have high maintenance costs.

[0005] The utility model provides a back door structure, comprising:

[0006] tailgate inner panel;

[0007] The tailgate outer panel is made of plastic material and is detachably connected to the tailgate inner panel.

[0008] Optionally, the rear door outer panel is injection molded from a colored plastic material.

[0009] Optionally, the rear door outer panel is injection molded by mixing PP particles and masterbatch.

[0010] Optionally, a first flange is provided on the peripheral edge of the back door outer panel facing the back door inner panel, and a second flap is provided on the peripheral edge of the back door inner panel facing the back door outer panel. A plurality of mounting recesses or first fasteners are provided on the first flange. When a plurality of mounting recesses are provided on the first flange, first fasteners corresponding to the mounting recesses are provided on the second flange. When a plurality of first fasteners are provided on the first flange, mounting recesses corresponding to the first fasteners are provided on the second flange.

[0011] A second fastener is provided on the mounting recess, and the second fastener is sequentially inserted into the mounting recess and the first fastener and is threadedly connected to the first fastener, so that the tailgate inner panel and the tailgate outer panel are detachably connected.

[0012] Optionally, a rear windshield is further included, and the rear windshield is connected to the rear door outer panel.

[0013] Optionally, a third flange is provided on the side of the tailgate outer panel facing the rear windshield, and the third flange extends toward the tailgate inner panel. A seal is provided between the third flange and the rear windshield, and the seal extends along the length direction of the third flange for sealing the third flange and the rear windshield.

[0014] Optionally, a reinforcing lining plate is further included, which is arranged on the side of the tailgate outer panel facing the tailgate inner panel and connected to the tailgate outer panel, and the reinforcing lining plate and the tailgate inner panel are detachably connected.

[0015] Optionally, a plurality of card slots are provided on the side of the reinforcement lining plate facing the rear door inner panel, and buckles are provided in the card slots. The buckles are inserted into the rear door inner panel to make the reinforcement lining plate and the rear door inner panel detachable and connected.

[0016] Optionally, a tailgate guard plate is further included, which is arranged on the side of the tailgate inner panel facing away from the tailgate outer panel and is connected to the tailgate inner panel.

[0017] The utility model also provides a vehicle, comprising the tailgate structure.

[0018] The technical solution of the utility model has the following advantages:

[0019] 1. The tailgate structure provided by the present invention has a tailgate outer panel made of plastic with a low density, which can effectively reduce the weight of the tailgate structure, reduce vehicle costs and energy consumption when the vehicle is in use. At the same time, the tailgate outer panel and the tailgate inner panel are detachably connected. When the tailgate outer panel is damaged or needs to be replaced, the tailgate outer panel can be directly removed from the tailgate inner panel and replaced, thereby reducing replacement and maintenance costs.

[0020] 2. The rear door structure provided by the present invention has a rear door outer panel that is directly injection molded, avoiding the use of traditional cold stamping molding, thereby reducing mold processes, shortening the project development cycle, and reducing manufacturing investment costs. The rear door outer panel can be formed into a variety of styles to meet the diverse needs of users.

[0021] 3. The rear door structure provided by the present invention has a rear door outer panel made of colored plastic material, so that after injection molding, a colored rear door outer panel can be formed, thereby eliminating the painting process and reducing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is an exploded schematic diagram of the back door structure of the present invention;

[0024] Figure 2 This is a partial schematic diagram of the detachable connection between the rear door outer panel and the rear door inner panel in the present invention;

[0025] Figure 3 It is a partial cross-sectional schematic diagram of the rear door structure in the present invention.

[0026] Description of reference numerals:

[0027] 1. Tailgate outer panel; 101. First flange; 102. Mounting recess; 103. Third flange; 2. Tailgate inner panel; 201. Second flange; 3. First fastener; 4. Second fastener; 5. Reinforcement lining; 501. Slot; 6. Adhesive layer; 7. Buckle; 8. Rear windshield; 801. Seal; 9. Tailgate guard plate. DETAILED DESCRIPTION

[0028] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the description of the present invention, all other embodiments derived by persons of ordinary skill in the art without inventive effort are also within the scope of protection of the present invention.

[0029] Unless otherwise specified or limited, the terms "disposed," "installed," and "connected" should be interpreted broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms based on the specific circumstances.

[0030] The directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the utility model.

[0031] The terms "first," "second," "third," etc. are merely used to distinguish elements of similar nature and do not indicate or imply relative importance or a particular order.

[0032] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than the listed elements and may also include additional elements not specifically listed.

[0033] Example 1

[0034] Reference Figure 1-Figure 3 As shown, the utility model provides a tailgate structure, including a tailgate outer panel 1 and a tailgate inner panel 2. The tailgate outer panel 1 is arranged on one side of the tailgate inner panel 2. The tailgate outer panel 1 is made of plastic material and is detachably connected to the tailgate inner panel 2.

[0035] The tailgate outer panel 1 is made of plastic with a low density, which can effectively reduce the weight of the tailgate structure, reduce vehicle costs and energy consumption during vehicle use. At the same time, the tailgate outer panel 1 and the tailgate inner panel 2 are detachably connected. When the tailgate outer panel 1 is damaged or needs to be replaced, the tailgate outer panel 1 can be directly removed from the tailgate inner panel 2 and the tailgate outer panel 1 can be replaced, reducing replacement and maintenance costs.

[0036] Specifically, the rear door outer panel 1 is directly injection molded, avoiding the use of traditional cold stamping, thereby reducing mold processes, shortening the project development cycle, and reducing manufacturing investment costs. In addition, the rear door outer panel 1 can be formed into a variety of styling styles to meet the diverse needs of users.

[0037] Furthermore, the rear door outer panel 1 is injection molded from a colored plastic material. Specifically, the rear door outer panel 1 can be injection molded from a mixture of PP particles and masterbatches. The mixture of PP particles and masterbatches is a conventional material currently used to produce colored plastics. By adding masterbatches to the PP particle material used to make the rear door outer panel 1, the colored rear door outer panel 1 can be directly injection molded, thereby eliminating the need to paint the rear door outer panel 1. Since the painting process is a high-investment, high-energy-consuming, and high-pollution project, the manufacturing investment cost is further reduced, energy consumption is reduced, and environmental pollution is reduced. At the same time, since the rear door outer panel 1 and the rear door inner panel 2 are detachable, the rear door outer panel 1 has various colors after injection molding, so the rear door outer panel 1 can be directly replaced with a new shape to meet the user's skin-changing needs. In other embodiments, the material of the tailgate outer panel 1 is not limited to PP particles and masterbatches, and other low-density plastic materials can also be used, as long as they can reduce the weight of the tailgate structure, reduce vehicle costs and energy consumption during vehicle use.

[0038] In order to realize the detachable connection between the back door outer panel 1 and the back door inner panel 2, the back door outer panel 1 is provided with a first flange 101 on the periphery of the side facing the back door inner panel 2, and the first flange 101 is extended along the outer edge of the back door outer panel 1, and the back door inner panel 2 is provided with a second flange 201 on the periphery of the side facing the back door outer panel 1, and the second flange 201 is extended along the outer edge of the back door inner panel 2, and when the back door outer panel 1 and the back door inner panel 2 are spliced together, the first flange 101 covers the second flange 201, and the first flange 101 is provided There are several mounting recesses 102 or first fasteners 3. In this embodiment, the mounting recesses 102 are arranged on the first flange 101, and there are several mounting recesses 102. Several mounting recesses 102 are evenly arranged on the first flange 101. Correspondingly, several first fasteners 3 are connected to the second flange 201. The first fasteners 3 are arranged on the side of the second flange 201 facing away from the first flange 101. The first fasteners 3 can be set as rivet nuts. Several first fasteners 3 and several mounting recesses 102 are one-to-one. It should be set that a second fastener 4 is provided on the mounting recess 102, and the second fastener 4 on the mounting recess 102 is adapted to the corresponding first fastener 3. The second fastener 4 can be set as a mounting screw in this embodiment, and the end of the second fastener 4 facing away from its nut is sequentially inserted into the mounting recess 102 and the first fastener 3 and is threadedly connected with the first fastener 3, and the nut of the second fastener 4 is tightly pressed against the inner wall of the mounting recess 102, limiting the first flange 101 and the second flange 201 between the nut and the second fastener 4. The first fastener 3 is interposed between the two members, thereby making the tailgate outer panel 1 and the tailgate inner panel 2 detachably connected. In other embodiments, the mounting recess 102 is arranged on the second flange 201. Accordingly, the first fastener 3 is arranged on the first flange 101, and the mounting recess 102 is also provided with a second fastener 4. The second fastener 4 is sequentially inserted into the mounting recess 102 and the first fastener 3 and is threadedly connected to the first fastener 3, and the nut of the second fastener 4 is pressed against the inner wall of the mounting recess 102, thereby realizing a detachable connection.

[0039] As another embodiment, the tailgate structure also includes a rear windshield 8, which is connected to the tailgate outer panel 1, and an opening is provided on the tailgate inner panel 2 for placing and fixing the rear windshield 8, so that the driver can observe the situation behind the vehicle through the rear windshield 8. Specifically, a third flange 103 is provided on the side of the tailgate outer panel 1 facing the rear windshield 8, and the third flange 103 extends toward the tailgate inner panel 2. A seal 801 is provided between the third flange 103 and the rear windshield 8, and the seal 801 extends along the length direction of the third flange 103, and extends toward the third flange 103 and the rear windshield 8 until it conflicts with the third flange 103 and the rear windshield 8, thereby sealing the third flange 103 and the rear windshield 8, and a certain amount of interference is provided between the third flange 103 and the seal 801 to improve the sealing performance of the tailgate structure. In this embodiment, the seal 801 can be a sealing strip to achieve sealing.

[0040] As another embodiment, the tailgate structure further includes a reinforcing lining 5, which is arranged on the side of the tailgate outer panel 1 facing the tailgate inner panel 2 and is connected to the tailgate outer panel 1. The tailgate outer panel 1 is detachably connected to the tailgate inner panel 2 through the reinforcing lining 5, so that the tailgate outer panel 1 is not directly detachably connected to the tailgate inner panel 2, thereby avoiding the need to set a detachable point on the tailgate outer panel 1, which affects the appearance of the tailgate outer panel 1.

[0041] Specifically, the reinforcing lining plate 5 is injection molded from a PP composite glass fiber material, specifically, from a mixture of PP particles and long glass fibers. The mixture of PP particles and long glass fibers is a conventional material used in the prior art to produce high-strength plastics. Furthermore, the long glass fibers are set to 30%, and the reinforcing lining plate 5 is injection molded by adding a mixture of long glass fibers and PP particles, thereby making the strength of the reinforcing lining plate 5 high. By connecting the tailgate outer panel 1 to the reinforcing lining plate 5, the strength of the tailgate outer panel 1 is enhanced.

[0042] In order to achieve the connection between the back door outer panel 1 and the reinforcement lining 5, a glue layer 6 is connected to the side of the back door outer panel 1 facing the reinforcement lining 5. The glue layer 6 is arranged along the periphery of the back door outer panel 1, and the back door outer panel 1 is bonded to the reinforcement lining 5 through the glue layer 6.

[0043] In order to achieve a detachable connection between the reinforcing lining plate 5 and the tailgate inner panel 2, a plurality of card slots 501 are provided on the side of the reinforcing lining plate 5 facing the tailgate inner panel 2. The plurality of card slots 501 are evenly arranged on the reinforcing lining plate 5. A buckle 7 is provided in the card slot 502. The buckle 7 is fixed in the card slot 502. When the reinforcing lining plate 5 and the tailgate inner panel 2 are installed, the buckle 7 is inserted into the tailgate inner panel 2, so that the reinforcing lining plate 5 can be detachably connected to the tailgate inner panel 2 through the buckle 7.

[0044] As another embodiment, a tailgate guard plate 9 is provided on the side of the tailgate inner panel 2 facing away from the tailgate outer panel 1. The tailgate guard plate 9 is connected to the tailgate inner panel 2. The tailgate guard plate 9 covers the tailgate inner panel 2 and the buckle 7, thereby improving the decorativeness and aesthetics of the tailgate structure.

[0045] Example 2

[0046] Reference Figure 1-Figure 3 As shown, this embodiment provides a vehicle, in which the tailgate structure in embodiment 1 is arranged on the rear end of the vehicle, and the tailgate outer panel 1 is made of plastic with a low density, thereby effectively reducing the weight of the tailgate structure, reducing the vehicle cost and energy consumption when the vehicle is used, and at the same time, the tailgate outer panel 1 and the tailgate inner panel 2 are detachably connected. When the tailgate outer panel 1 is damaged or needs to be replaced, the tailgate outer panel 1 is directly removed from the tailgate inner panel 2, and the tailgate outer panel 1 can be replaced, thereby reducing replacement and maintenance costs.

[0047] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.

[0048] The above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A back door structure, characterized in that: include: tailgate inner panel; A tailgate outer panel, made of plastic and detachably connected to the tailgate inner panel; A tailgate guard plate is arranged on a side of the tailgate inner panel facing away from the tailgate outer panel and is connected to the tailgate inner panel.

2. The tailgate structure according to claim 1, wherein: The rear door outer panel is injection-molded from a colored plastic material.

3. The tailgate structure according to claim 1, wherein: The rear door outer panel is injection-molded by mixing PP particles and masterbatch.

4. The tailgate structure according to claim 1, wherein: The back door outer panel is provided with a first flange on a peripheral edge facing the back door inner panel, and the back door inner panel is provided with a second flange on a peripheral edge facing the back door outer panel. The first flange is provided with a plurality of mounting recesses or first fasteners. When the first flange is provided with a plurality of mounting recesses, the second flange is provided with first fasteners corresponding to the mounting recesses. When the first flange is provided with a plurality of first fasteners, the second flange is provided with mounting recesses corresponding to the first fasteners. A second fastener is provided on the mounting recess, and the second fastener is sequentially inserted into the mounting recess and the first fastener and is threadedly connected to the first fastener, so that the tailgate inner panel and the tailgate outer panel are detachably connected.

5. The tailgate structure according to claim 1, wherein: It also includes a rear windshield, which is connected to the rear door outer panel.

6. The tailgate structure according to claim 5, wherein: A third flange is provided on the side of the tailgate outer panel facing the rear windshield, and the third flange extends toward the tailgate inner panel. A seal is provided between the third flange and the rear windshield, and the seal extends along the length direction of the third flange for sealing the third flange and the rear windshield.

7. The tailgate structure according to claim 1, wherein: It also includes a reinforcing lining plate, which is arranged on the side of the tailgate outer panel facing the tailgate inner panel and connected to the tailgate outer panel, and the reinforcing lining plate and the tailgate inner panel are detachably connected.

8. The tailgate structure according to claim 7, wherein: The reinforcing lining plate is provided with a plurality of slots on the side facing the tailgate inner panel, and buckles are provided in the slots. The buckles are inserted into the tailgate inner panel to make the reinforcing lining plate and the tailgate inner panel detachably connected.

9. A vehicle, characterized in that: The invention comprises a tailgate structure according to any one of claims 1 to 8.

Images