CN215850675U

CN215850675U - Automobile tail door and automobile

Info

Publication number: CN215850675U
Application number: CN202121108891.4U
Authority: CN
Inventors: 彭丹; 库才旗; 刘晶
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-18
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an automobile tail door and an automobile, wherein the automobile tail door comprises a tail door inner plate and a tail door outer plate, the tail door inner plate comprises an inner plate body and a transparent window connected with the inner plate body, the transparent window comprises a window frame and a transparent sheet covered on the window frame, the tail door outer plate is covered on the outer side of the inner plate body and connected with the window frame, one end of the inner plate body, which is far away from the window frame, is provided with a door lock mounting area, two first inflection points are formed on two sides of the inner plate body, and the first inflection points are arranged close to the window frame; the outside of inner panel body is provided with two symmetrical arrangement's first strengthening rib, and each first strengthening rib is sunken to the inboard from the inner panel body, and the first end of one of them first strengthening rib is connected in one of them first turning point department, and the first end of another first strengthening rib is connected in another first turning point department, and the second end of two first strengthening ribs all is connected in the lock installing area to form triangular structure between two first strengthening ribs and the window frame, this car tail-gate has the advantage that rigidity performance is good, and structural stability is high.

Description

Automobile tail door and automobile

Technical Field

The utility model relates to the technical field of vehicles, in particular to an automobile tail door and an automobile.

Background

At present, the existing automobile tail door is generally divided into a sheet metal automobile tail door and a composite material automobile tail door, the sheet metal automobile tail door is heavy in weight, complex in process and high in energy consumption in the manufacturing process, and although the composite material automobile tail door is lighter in weight than the sheet metal automobile tail door, the composite material automobile tail door is complex in structure, poor in rigidity performance and low in structural stability.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automobile tail door and an automobile, and aims to solve the problems of poor rigidity performance and low structural stability of the existing composite material automobile tail door.

In order to achieve the purpose, the utility model provides an automobile tail door which comprises a tail door inner plate and a tail door outer plate, wherein the tail door inner plate comprises an inner plate body and a transparent window connected with the inner plate body, the transparent window comprises a window frame and a transparent sheet covered on the window frame, the tail door outer plate is covered on the outer side of the inner plate body and is connected with the window frame, a door lock mounting area is arranged at one end, far away from the window frame, of the inner plate body, two first inflection points are formed at two sides of the inner plate body, and the first inflection points are arranged close to the window frame; the outer side of the inner plate body is provided with two first reinforcing ribs which are symmetrically arranged, each first reinforcing rib is recessed inwards from the inner plate body, the first end of one first reinforcing rib is connected to one first corner, the first end of the other first reinforcing rib is connected to the other first corner, and the second ends of the two first reinforcing ribs are connected to the door lock mounting area, so that a triangular structure is formed between the two first reinforcing ribs and the window frame.

Preferably, each of the first reinforcing ribs comprises a first reinforcing segment and a second reinforcing segment, a first end of the first reinforcing segment is connected with a first end of the second reinforcing segment, a second end of the first reinforcing segment is spaced apart from a second end of the second reinforcing segment, so that a V-shaped structure is formed between the first reinforcing segment and the second reinforcing segment, the first inflection point is located at the first end of the V-shaped structure, and the door lock mounting region is located at the second end of the V-shaped structure.

Preferably, the window frame has a connecting section connected to the inner panel body, the tail door outer panel cover is disposed on an outer side of the inner panel body and connected to the connecting section, second ends of the two second reinforcing sections are connected to each other, so that the triangular structure is formed between the two second reinforcing sections and the connecting section, a handle mounting structure for mounting a handle is disposed on an outer side of the inner panel body, and the handle mounting structure is located in the triangular structure.

Preferably, the periphery of inner panel body is provided with the flange structure, the flange structure certainly the inner panel body is to the outside protruding, the flange structure is for the U type structure that has blind end and two free ends, the one end of linkage segment with one of them of U type structure the free end is connected, the other end of linkage segment with another of U type structure the free end is connected, the flange structure with the tail-gate planking is connected, just the flange structure corresponds the position of lock installing zone is provided with the lock reinforcing plate.

Preferably, the outer side of the flange structure is provided with a plurality of second reinforcing ribs arranged at intervals along the extending direction of the flange structure, and the second reinforcing ribs protrude from the flange structure to the outer side.

Preferably, the tail-gate planking is including the first installing zone, bending zone and the second installing zone that connect gradually, the bending zone is sunken to the inboard, first installing zone is close to the position of linkage segment has first turn-ups, first turn-ups is bent to the inboard, first turn-ups be used for with the linkage segment is connected.

Preferably, an outer decorative plate mounting region is arranged outside the first mounting region, the outer decorative plate mounting region is provided with third reinforcing ribs which are annularly arranged, and the third reinforcing ribs protrude outwards from the outer decorative plate mounting region; the bending area is provided with a plurality of fourth reinforcing ribs arranged at intervals, the fourth reinforcing ribs are protruded outwards from the bending area, one end of each fourth reinforcing rib is connected to the first mounting area, and the other end of each fourth reinforcing rib is connected to the second mounting area.

Preferably, the window frame is of a ring-shaped structure, the window frame is provided with a groove which is recessed towards the inner side, the extending direction of the groove is consistent with the extending direction of the window frame, and a plurality of fifth reinforcing ribs which are arranged at intervals along the extending direction of the groove are arranged in the groove.

Preferably, two second inflection points are formed at two sides of the window frame, the second inflection points are arranged close to the inner plate body, a window frame reinforcing plate is arranged at the second inflection points, and the window frame reinforcing plate is positioned in the groove; two third inflection points are formed on two sides of the window frame, the third inflection points are far away from the inner plate body, hinge reinforcing plates are arranged at the third inflection points and are located in the grooves, and positioning plates used for installing the transparent sheets are connected to the hinge reinforcing plates.

The utility model further provides an automobile which comprises an automobile body and the automobile tail door, wherein an opening is formed in the rear side of the automobile body, and one end, far away from the inner plate body, of the window frame is hinged to the automobile body, so that the automobile tail door can open or close the opening.

In the automobile tail door, the transparent window is connected with the inner plate body, the outer plate cover of the tail door is arranged on the outer side of the inner plate body and is connected with the window frame of the transparent window, one end of the inner plate body, which is far away from the window frame, is provided with a door lock mounting area, the door lock mounting area is used for mounting the door lock of the tail door, the position, which is close to the window frame, of the inner plate body is provided with two first inflection points, two first reinforcing ribs on the outer side of the inner plate body are symmetrically arranged, the first reinforcing ribs are sunken inwards from the inner plate body, the first end of one first reinforcing rib is connected to one first inflection point, the first end of the other first reinforcing rib is connected to the other first inflection point, the second ends of the two first reinforcing ribs are both connected to the door lock mounting area, a triangular structure is formed between the two first reinforcing ribs and the window frame, the first reinforcing ribs are arranged at the main stress points of the automobile tail door, and are favorable for enhancing the rigidity of the automobile tail door, the design of triangle structure is reliable and stable, has improved the structural stability of car tail-gate, and this car tail-gate has rigidity performance good, the high advantage of structural stability, and in addition, this car tail-gate's material can select for use the combined material preparation, has the advantage that alleviates car tail-gate weight, the processing preparation of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an assembled tailgate according to an embodiment of the present invention;

FIG. 2 is an exploded view of a tailgate according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a tailgate inner panel in a tailgate of an automobile according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a tailgate outer panel in an automobile tailgate according to an embodiment of the utility model.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The description of the orientations of "up", "down", "front", "rear", "left", "right", etc. in the present invention is based on the orientations shown in fig. 1 to 4, and is only for explaining the relative positional relationship between the respective members in the postures shown in fig. 1 to 4, and if the specific posture is changed, the directional indication is changed accordingly.

The utility model provides an automobile tail gate.

According to the automobile tail gate 100 of the embodiment, the automobile tail gate 100 comprises a tail gate inner plate 10 and a tail gate outer plate 20, the tail gate inner plate 10 comprises an inner plate body 11 and a transparent window 12 connected with the inner plate body 11, the transparent window 12 comprises a window frame 121 and a transparent sheet 122 covering the window frame 121, the tail gate outer plate 20 is covered on the outer side of the inner plate body 11 and connected with the window frame 121, a door lock installation area 111 is arranged at one end, far away from the window frame 121, of the inner plate body 11, two first inflection points 112 are formed on two sides of the inner plate body 11, and the first inflection points 112 are arranged close to the window frame 121; the outer side of the inner plate body 11 is provided with two first reinforcing ribs 113 which are symmetrically arranged, each first reinforcing rib 113 is recessed inwards from the inner plate body 11, the first end of one first reinforcing rib 113 is connected to one of the first inflection points 112, the first end of the other first reinforcing rib 113 is connected to the other first inflection point 112, and the second ends of the two first reinforcing ribs 113 are connected to the door lock mounting area 111, so that a triangular structure 114 is formed between the two first reinforcing ribs 113 and the window frame 121.

As shown in fig. 1 to 3, the transparent window 12 is connected to the upper portion of the inner panel body 11, the outer panel 20 of the tailgate is covered on the outer side of the inner panel body 11 and connected to the window frame 121 of the transparent window 12, the lower end of the inner panel body 11 is provided with a door lock mounting region 111, the door lock mounting region 111 is used for mounting a tailgate door lock, the upper end of the inner panel body 11 has two first inflection points 112, the two first reinforcing ribs 113 on the outer side of the inner panel body 11 are arranged in bilateral symmetry, and the first reinforcing ribs 113 are recessed inward from the inner panel body 11, the upper end of the first reinforcing ribs 113 is a first end, the lower end of the first reinforcing ribs 113 is a second end, the first end of the first reinforcing ribs 113 on the left side is connected to the first inflection point 112 on the left side, the first end of the first reinforcing ribs 113 on the right side is connected to the first inflection point 112 on the right side, the second ends of the two first reinforcing ribs 113 are both connected to the door lock mounting region 111, so that a triangular structure 114 is formed between the two first reinforcing ribs 113 and the window frame 121, first strengthening rib 113 sets up in the main stress point department of car tail-gate 100, be favorable to strengthening the rigidity of car tail-gate 100, triangular structure 114's design is reliable and stable, the structural stability of car tail-gate 100 has been improved, this car tail-gate 100 has rigidity performance good, the high advantage of structural stability, in addition, the material of this car tail-gate 100 can select for use the combined material preparation such as SMC (Sheet molding compound) or LGFPP (Long Glass Fiber Reinforced Polypropylene) among the prior art, have and alleviate car tail-gate 100 weight, the advantage of the processing preparation of being convenient for.

In this embodiment, each first reinforcing rib 113 includes a first reinforcing segment 1132 and a second reinforcing segment 1133, a first end of the first reinforcing segment 1132 is connected to a first end of the second reinforcing segment 1133, a second end of the first reinforcing segment 1132 is spaced apart from a second end of the second reinforcing segment 1133, so that a V-shaped structure 1131 is formed between the first reinforcing segment 1132 and the second reinforcing segment 1133, the first inflection point 112 is located at the first end of the V-shaped structure 1131, and the door lock installation region 111 is located at the second end of the V-shaped structure 1131.

As shown in fig. 2 and 3, a V-shaped structure 1131 is formed between the first reinforcing segment 1132 and the second reinforcing segment 1133, the upper end of the V-shaped structure 1131 is a first end, the lower end of the V-shaped structure 1131 is a second end, the first end of the V-shaped structure 1131 points to the first inflection point 112, the door lock mounting region 111 is located at the second end of the V-shaped structure 1131, the V-shaped structure 1131 improves the dent resistance and the torsional rigidity of the inner panel body 11, and further improves the structural stability, in addition, in a preferred embodiment, a plurality of sixth reinforcing ribs 1134 are disposed in the first reinforcing rib 113, two ends of the sixth reinforcing ribs 1134 are respectively connected to two sides of the first reinforcing rib 113, and the sixth reinforcing ribs 1134 protrude outward from the first reinforcing rib 113, and the sixth reinforcing ribs 1134 play a role in reinforcing rigidity and strength.

The window frame 121 of the automobile tail door 100 of the embodiment has a connecting section 1211 connected with the inner panel body 11, the outer panel 20 of the tail door is covered on the outer side of the inner panel body 11 and connected with the connecting section 1211, the second ends of the two second reinforcing sections 1133 are connected with each other, so that a triangular structure 114 is formed between the two second reinforcing sections 1133 and the connecting section 1211, a handle mounting structure 115 for mounting a handle is arranged on the outer side of the inner panel body 11, and the handle mounting structure 115 is located in the triangular structure 114.

As shown in fig. 2 and 3, the second ends of the two second reinforcing segments 1133 are connected to each other, the connection position of the two second reinforcing segments 1133 is located at the upper end of the door lock installation area 111, a triangular structure 114 is formed between the two second reinforcing segments 1133 and the connection section 1211, the triangular structure 114 improves the stability of the automobile tailgate 100, in addition, the handle installation structure 115 is located in the triangular structure 114, and the handle installation structure 115 is used for installing a tailgate handle and a handle harness, which not only improves the strength of the handle installation structure 115, but also simplifies the installation structure.

In this embodiment, the flange structure 116 is disposed on the periphery of the inner panel body 11, the flange structure 116 protrudes outward from the inner panel body 11, the flange structure 116 is a U-shaped structure 1161 having a closed end 1162 and two free ends 1163, one end of the connecting section 1211 is connected to one of the free ends 1163 of the U-shaped structure 1161, the other end of the connecting section 1211 is connected to the other free end 1163 of the U-shaped structure 1161, the flange structure 116 is connected to the tailgate outer panel 20, and a door lock reinforcing plate 1164 is disposed at a position of the flange structure 116 corresponding to the door lock mounting region 111.

As shown in fig. 1 to 3, the flange structure 116 at the periphery of the inner panel body 11 is a U-shaped structure 1161, two free ends 1163 of the U-shaped structure 1161 are respectively connected to two ends of the connecting section 1211, the flange structure 116 is convenient to mount, the sealing performance between the tail door inner panel 10 and the tail door outer panel 20 is enhanced, the structure is stable and reliable, the structure is reasonable in design, the door lock reinforcing plate 1164 is arranged on the flange structure 116, and the door lock reinforcing plate 1164 is located at the lower end of the door lock mounting area 111, so that the strength of the door lock mounting area 111 is enhanced.

The outer side of the flange structure 116 of the tailgate 100 of the present embodiment is provided with a plurality of second reinforcing ribs 1165 arranged at intervals in the extending direction of the flange structure 116, the second reinforcing ribs 1165 protruding outward from the flange structure 116. As shown in fig. 2 and 3, a plurality of second reinforcing ribs 1165 are arranged at intervals outside the flange structure 116, one end of each second reinforcing rib 1165 is connected to the flange structure 116 at a position close to the inner panel body 11, the other end of each second reinforcing rib 1165 is connected to the flange structure 116 at a position away from the inner panel body 11, and the second reinforcing ribs 1165 have an advantage of resisting buckling deformation of the flange structure 116 in combination with the stress characteristics of the flange structure 116.

In this embodiment, the tail door outer panel 20 includes a first mounting region 21, a bending region 22 and a second mounting region 23 connected in sequence, the bending region 22 is recessed inward, the first mounting region 21 has a first flange 211 at a position close to the connecting section 1211, the first flange 211 is bent inward, and the first flange 211 is used for connecting with the connecting section 1211. As shown in fig. 1, 2 and 4, the first installation region 21, the bending region 22 and the second installation region 23 of the tail gate outer panel 20 are sequentially connected from top to bottom, the bending region 22 is recessed inward, the upper end of the first installation region 21 is provided with a first flange 211, the first flange 211 is bent inward and connected with the connecting section 1211, the left side and the right side of the first installation region 21 are further provided with second flanges 213, the second flanges 213 are bent inward and connected with the flange structure 116, the first flange 211 and the second flange 213 not only facilitate the installation of the tail gate outer panel 20, improve the appearance beauty and the touch of the automobile tail gate 100, further improve the sensing quality of the automobile tail gate 100, but also play a role in supporting the tail gate outer panel 20, increase the rigidity of the tail gate 20, and ensure the gap size between the tail gate inner panel 10 and the tail gate outer panel 20.

In this embodiment, an outer trim mounting region 212 is provided outside the first mounting region 21, the outer trim mounting region 212 is provided with third reinforcing ribs 2121 arranged in a ring shape, and the third reinforcing ribs 2121 project outward from the outer trim mounting region 212; the bending region 22 is provided with a plurality of fourth reinforcing ribs 221 arranged at intervals, the fourth reinforcing ribs 221 protrude outward from the bending region 22, one end of the fourth reinforcing rib 221 is connected to the first mounting region 21, and the other end of the fourth reinforcing rib 221 is connected to the second mounting region 23.

As shown in fig. 4, the outer trim panel mounting region 212 is used for mounting a rear door outer trim panel, the third reinforcing rib 2121 on the outer trim panel mounting region 212 is annularly arranged, and the third reinforcing rib 2121 is used for improving the local rigidity of the outer trim panel mounting region 212, so that the structural stability is further enhanced; the fourth reinforcing ribs 221 on the bending area 22 are vertically arranged, the plurality of fourth reinforcing ribs 221 are arranged at intervals in the left-right direction, the bending area 22 is an easily-deformed area of the tail door outer panel 20, and the fourth reinforcing ribs 221 play a role in avoiding shrinkage or rebound of the tail door outer panel 20 and improving local rigidity; the outside of the second mounting region 23 can be used for mounting the license plate of the vehicle.

In this embodiment, the window frame 121 has a ring-shaped structure, the window frame 121 has a concave groove 1212 recessed inward, the extending direction of the groove 1212 is the same as the extending direction of the window frame 121, and a plurality of fifth strengthening ribs 1213 are disposed in the groove 1212 at intervals along the extending direction of the groove 1212. As shown in fig. 1 to 3, a plurality of fifth strengthening ribs 1213 are sequentially arranged in the groove 1212, two ends of the fifth strengthening ribs 1213 are respectively connected to two side groove walls of the groove 1212, and the fifth strengthening ribs 1213 can resist loads in multiple directions, so as to prevent the deformation of the window frame 121, thereby improving the rigidity of the window frame 121 and avoiding surface reduction caused by the crossing of the ribs.

Two second inflection points 1214 are formed at two sides of the window frame 121 of the automobile tail door 100 of the embodiment, the second inflection points 1214 are arranged near the inner panel body 11, a window frame reinforcing plate 1215 is arranged at the second inflection points 1214, and the window frame reinforcing plate 1215 is positioned in the groove 1212; two third inflection points 1216 are further formed on two sides of the window frame 121, the third inflection points 1216 are disposed away from the inner panel body 11, hinge reinforcement plates 1217 are disposed at the third inflection points 1216, the hinge reinforcement plates 1217 are located in the grooves 1212, and positioning plates (not shown) for mounting the transparent sheet 122 are connected to the hinge reinforcement plates 1217.

As shown in fig. 1 and 3, the lower end of the window frame 121 has two second inflection points 1214, a window frame reinforcing plate 1215 is disposed in a groove 1212 at the second inflection points 1214, the window frame reinforcing plate 1215 is used for reinforcing the strength of the window frame 121, and further, the rigidity of the window frame 121 is improved, the upper end of the window frame 121 has two third inflection points 1216, a hinge reinforcing plate 1217 is disposed in the groove 1212 at the third inflection points 1216, the upper end of the window frame 121 is hinged to the vehicle body through a tailgate hinge, the hinge reinforcing plate 1217 has an advantage of improving the structural stability, in addition, each hinge reinforcing plate 1217 is provided with a positioning plate, and the positioning plate is used for positioning and mounting the transparent sheet 122, thereby further improving the mounting efficiency.

The utility model further provides an automobile, which comprises an automobile body and the automobile tail door 100, wherein an opening is formed in the rear side of the automobile body, one end, far away from the inner plate body 11, of the window frame 121 is hinged to the automobile body, so that the automobile tail door 100 can open or close the opening, specifically, the upper end of the window frame 121 is hinged to the automobile body through a tail door hinge, so that the automobile tail door 100 can open or close the opening, the specific structure of the automobile tail door 100 refers to the above embodiments, and as the automobile adopts all the technical schemes of all the above embodiments, at least all the beneficial effects brought by the technical schemes of the above embodiments are achieved, and the detailed description is omitted.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An automobile tail door is characterized by comprising a tail door inner plate and a tail door outer plate, wherein the tail door inner plate comprises an inner plate body and a transparent window connected with the inner plate body, the transparent window comprises a window frame and a transparent sheet covered on the window frame, the tail door outer plate is covered on the outer side of the inner plate body and connected with the window frame, a door lock installation area is arranged at one end, far away from the window frame, of the inner plate body, two first inflection points are formed at two sides of the inner plate body, and the first inflection points are arranged close to the window frame; the outer side of the inner plate body is provided with two first reinforcing ribs which are symmetrically arranged, each first reinforcing rib is recessed inwards from the inner plate body, the first end of one first reinforcing rib is connected to one first corner, the first end of the other first reinforcing rib is connected to the other first corner, and the second ends of the two first reinforcing ribs are connected to the door lock mounting area, so that a triangular structure is formed between the two first reinforcing ribs and the window frame.

2. The automobile tailgate according to claim 1, wherein each of the first reinforcing ribs comprises a first reinforcing segment and a second reinforcing segment, a first end of the first reinforcing segment is connected to a first end of the second reinforcing segment, a second end of the first reinforcing segment is spaced apart from a second end of the second reinforcing segment such that a V-shaped structure is formed between the first reinforcing segment and the second reinforcing segment, the first inflection point is located at the first end of the V-shaped structure, and the door lock mounting region is located at the second end of the V-shaped structure.

3. The vehicle tailgate according to claim 2, wherein the window frame has a connection section connected to the inner panel body, the tailgate outer panel is covered on an outer side of the inner panel body and connected to the connection section, second ends of the two second reinforcement sections are connected to each other such that the triangular structure is formed between the two second reinforcement sections and the connection section, and a handle installation structure for installing a handle is provided on the outer side of the inner panel body, the handle installation structure being located in the triangular structure.

4. The automobile tailgate according to claim 3, wherein a flange structure is provided on an outer periphery of the inner panel body, the flange structure protrudes outward from the inner panel body, the flange structure is a U-shaped structure having a closed end and two free ends, one end of the connecting section is connected to one of the free ends of the U-shaped structure, the other end of the connecting section is connected to the other of the free ends of the U-shaped structure, the flange structure is connected to the tailgate outer panel, and a door lock reinforcing plate is provided at a position of the flange structure corresponding to the door lock mounting region.

5. The tailgate according to claim 4, characterized in that the outer side of said flange structure is provided with a plurality of second ribs arranged at intervals in the extending direction of said flange structure, said second ribs projecting outwardly from said flange structure.

6. The automobile tailgate according to claim 3, wherein the tailgate outer panel comprises a first mounting region, a bending region and a second mounting region which are connected in sequence, the bending region is recessed inward, the first mounting region is provided with a first flange at a position close to the connecting section, the first flange is bent inward, and the first flange is used for being connected with the connecting section.

7. The automobile tailgate according to claim 6, wherein an outer trim mounting region is provided outside the first mounting region, the outer trim mounting region being provided with third reinforcing beads arranged in a ring shape, the third reinforcing beads protruding outward from the outer trim mounting region; the bending area is provided with a plurality of fourth reinforcing ribs arranged at intervals, the fourth reinforcing ribs are protruded outwards from the bending area, one end of each fourth reinforcing rib is connected to the first mounting area, and the other end of each fourth reinforcing rib is connected to the second mounting area.

8. The vehicle tailgate according to any of claims 1-7, wherein the window frame is of a ring-shaped configuration, the window frame has an inwardly recessed groove extending in a direction corresponding to the window frame, and a plurality of fifth reinforcing ribs are provided in the groove at intervals along the extending direction of the groove.

9. The automobile tailgate according to claim 8, wherein two second inflection points are formed at both sides of the window frame, the second inflection points being disposed adjacent to the inner panel body, a window frame reinforcing plate being disposed at the second inflection points, the window frame reinforcing plate being located in the groove; two third inflection points are formed on two sides of the window frame, the third inflection points are far away from the inner plate body, hinge reinforcing plates are arranged at the third inflection points and are located in the grooves, and positioning plates used for installing the transparent sheets are connected to the hinge reinforcing plates.

10. An automobile, characterized in that the automobile comprises an automobile body and the automobile tail door as claimed in any one of claims 1-9, an opening is arranged on the rear side of the automobile body, and one end of the window frame far away from the inner plate body is hinged to the automobile body, so that the automobile tail door can open or close the opening.