CN220996084U - Car door assembly and car - Google Patents

Abstract

A door assembly and an automobile, the door assembly comprising: a vehicle door guard board, a triangular plaque and a sheet metal part; wherein: the vehicle door guard plates and the sheet metal parts are arranged along the width direction of the vehicle body; the vehicle door guard plate comprises a vehicle door guard plate body and an extension part, wherein the extension part comprises a horizontal part and a vertical part which are fixedly connected, and the horizontal part is fixedly connected with the vehicle door guard plate body; the door guard plate body and the vertical part are fixedly connected with the sheet metal part; the triangle plaque is located the one side that the extension deviates from the sheet metal component, and the triangle plaque supports along the one end of the direction of height of automobile body and presses at horizontal part and with horizontal part fixed connection, and the triangle plaque is provided with the butt board along the other end of the direction of height of automobile body, and the butt board and the one side butt that the vertical portion deviates from the sheet metal component. According to the scheme, the abutting part is abutted with the vertical part in the width direction of the vehicle body, and the triangular ornamental plate is fixedly connected with the horizontal part, so that the position of the triangular ornamental plate in the three-dimensional space is limited, and gaps between the triangular ornamental plate and other parts of the vehicle body are further limited.

Description

Car door assembly and car

Technical Field

The application relates to the technical field of automobiles, in particular to a vehicle door assembly and an automobile.

Background

In a door of an existing automobile, a door trim is generally provided on one side of a door inner panel to fill a triangular area between a window and a jamb. The triangular trim panel has important effects of improving the tightness of the vehicle, improving the lifting stability of window glass and improving the interior appearance of the vehicle, so that the clearance control of the triangular trim panel and other parts of the vehicle body is particularly important.

In order to improve the area of the side window of the vehicle door in the prior mainstream technology, the triangular area between the vehicle window and the side column is greatly compressed, and a plurality of fixing points are difficult to be arranged on the metal plate of the vehicle door to be connected with the triangular ornamental plate, so that the gaps between the triangular ornamental plate and other parts of the vehicle body are difficult to control.

Disclosure of utility model

The application provides a vehicle door assembly and a vehicle, which are used for solving the problem that the clearance between a triangle plaque and other parts of a vehicle body is difficult to control.

In a first aspect, the present application provides a vehicle door assembly comprising: a vehicle door guard board, a triangular plaque and a sheet metal part; wherein:

the vehicle door guard plate and the sheet metal part are arranged along the width direction of the vehicle body;

The vehicle door guard plate comprises a vehicle door guard plate body and an extension part, wherein the horizontal part of the extension part is fixedly connected with the vehicle door guard plate body; the vertical parts of the vehicle door guard plate body and the extending parts are fixedly connected with the sheet metal part;

The triangular ornamental plate is positioned on one side of the extending part, which is away from the sheet metal part, and one end of the triangular ornamental plate in the height direction of the vehicle body is propped against the horizontal part and is fixedly connected with the horizontal part; the triangular ornamental plate is provided with an abutting plate along the other end of the height direction of the vehicle body, and the abutting plate abuts against one side, deviating from the sheet metal part, of the vertical portion.

In the above technical solution, the position of the triangular trim in the vehicle width direction is restricted by the abutment of the abutment portion of the triangular trim with the vertical portion of the extension portion of the door panel in the vehicle width direction; the triangular ornamental plate is fixedly connected with the horizontal part of the extension part of the vehicle door guard plate, so that the positions of the triangular ornamental plate in the length direction of the vehicle body and the height direction of the vehicle body are limited; the position of the triangular ornamental plate in the three-dimensional space is well limited, and then the clearance between the triangular ornamental plate and other parts of the vehicle body is well limited.

In one possible implementation manner, a clamping column is arranged on one side, facing the horizontal part, of the triangular ornamental plate, a clamping hole is arranged on the horizontal part, and the clamping column is clamped with the clamping hole.

In one possible embodiment, the door assembly further comprises a metal clip;

the metal card is arranged in the card hole in a penetrating way, and the clamping column is clamped and fixed through the metal card.

In one possible embodiment, the metal clip has a flange which abuts against the side of the horizontal portion facing the triangular trim.

In one possible implementation manner, the clamping post is provided with an anti-slip structure;

The anti-slip structure is abutted with the metal clamp.

In one possible embodiment, a barb is arranged on one side of the clamping post, which faces away from the triangular ornamental plate;

The barb is propped against one side of the horizontal part, which is away from the triangular ornamental plate.

In one possible embodiment, the triangular trim panel includes a triangular panel and a side gusset; the triangular plate is laminated with the extension portion in the vehicle width direction; the side wall plate is connected with the edge of the triangular plate and extends to one side of the sheet metal part along the width direction of the vehicle body;

The abutting plate is fixed on the side wall plate.

In one possible embodiment, the abutment plate is integrally formed with the side gusset.

In one possible embodiment, the door assembly further comprises a threaded connection fixedly connecting the vertical portion of the extension with the sheet metal part.

The embodiment of the application also provides an automobile, which comprises an automobile body and any one of the automobile door assemblies arranged on the automobile body.

A door module provided on the vehicle body, the door module being configured to be brought into contact with a vertical portion of the extension portion of the door panel in the vehicle width direction by a contact portion of the trim panel, thereby restricting a position of the trim panel in the vehicle width direction; the triangular ornamental plate is fixedly connected with the horizontal part of the extension part of the vehicle door guard plate, so that the positions of the triangular ornamental plate in the length direction of the vehicle body and the height direction of the vehicle body are limited; the position of the triangular ornamental plate in the three-dimensional space is well limited, and then the clearance between the triangular ornamental plate and other parts of the vehicle body is well limited.

Drawings

FIG. 1 is an overall schematic view of an assembled door assembly according to an embodiment of the present application;

FIG. 2 is a partial view showing the fixed connection of the triangular trim panel and the horizontal portion in an embodiment of the present application;

FIG. 3 is a schematic view of a clamping post and a clamping hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings.

It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In order to facilitate understanding of the vehicle door assembly and the vehicle provided by the embodiment of the application, an application scene of the vehicle door assembly and the vehicle is first described. The vehicle door assembly provided by the embodiment of the application can be applied to vehicles, and particularly can be applied to vehicle door parts. The triangular trim panel has important effects of improving the tightness of a vehicle, improving the lifting stability of window glass and improving the interior appearance of the vehicle, so that the clearance control of the triangular trim panel and other parts of a vehicle body is particularly important. In order to improve the area of the side window of the vehicle door in the prior art, the triangular area between the vehicle window and the side column is greatly compressed, so that a plurality of fixing points are difficult to set on the metal plate of the vehicle door and are connected with the triangular ornamental plate, and gaps between the triangular ornamental plate and other parts of the vehicle body are difficult to control. To this end, the present application provides a vehicle door assembly to improve the problem of difficult control of the clearances of the trim panel to other components of the vehicle body.

In order to facilitate understanding of the vehicle door assembly provided in the embodiments of the present application, the following embodiments are all developed by taking a vehicle front door as an example. On a front door of a vehicle, a triangular region between a window and a jamb is located in front of the door in a longitudinal direction of the vehicle body.

Referring to fig. 1, fig. 1 is an overall schematic diagram of an assembly of a vehicle door assembly according to an embodiment of the present application. The vehicle door assembly provided by the embodiment of the application comprises a vehicle door guard plate, a triangular trim plate 2 and a sheet metal part 3. Wherein door backplate and sheet metal component 3 are arranged along automobile body width direction, and specifically, sheet metal component 3 refers to the door panel beating, and the door backplate is located sheet metal component 3 and is towards the one side of interior space. The door guard plate shields the sheet metal part 3, and simultaneously shields parts such as a door lock and the like arranged on the sheet metal part 3 so as to improve the attractiveness of the passenger cabin. When setting up sheet metal component 3, the area that the door is close to A post one side, because the molding needs of lift door window and the fixed demand of rear-view mirror structure, be close to A post one side at the door window mouth, sheet metal component 3 has a triangle-shaped region.

The door shield includes a door shield body 11 and an extension 12, the door shield body 11 shields the door sheet metal member 3 along a large area below the window in the vehicle body height direction, and the extension 12 extends to a triangular area of the sheet metal member 3. Specifically, the extension portion 12 includes a horizontal portion 121 and a vertical portion 122, and the horizontal portion 121 and the vertical portion 122 form an L-shaped structure as shown in fig. 1. The horizontal portion 121 of the extension 12 is fixedly connected to the door panel body 11, and the other side of the extension 12 to which the door panel body 11 is connected to the vertical portion 122. The horizontal portion 121 connects the vertical portion 122 and the door trim body 11 at the same time, and the extending portion 12 is located on the side of the door trim body 11 facing the sheet metal member 3 in the vehicle body width direction, so that the door trim body 11 and the extending portion 12 have a stepped structure. The vertical portion 122 is connected to the horizontal portion 121 and extends upward in the vehicle body height direction to a triangular region with the sheet metal member 3. When the door guard is specifically provided, the door guard body 11 and the vertical portion 122 of the extension portion 12 are fixedly connected to the sheet metal member 3. Specifically, the door panel body 11 is fixedly connected to a large portion of the area below the window in the vehicle height direction, and the vertical portion 122 of the extension portion 12 is fixedly connected to the triangular area of the sheet metal member 3.

It should be understood that, the vertical portion 122 and the horizontal portion 121 are only names for distinguishing the two portions of the extension portion 12, and do not refer to that the two portions of the extension portion 12 follow absolute horizontal and vertical directions when disposed, and that the horizontal portion 121 actually extends in a substantially horizontal direction and the vertical portion 122 actually extends in a substantially vertical direction when disposed, and that the specific angle between the horizontal portion 121 and the horizontal direction and the angle between the vertical portion 122 and the vertical direction may be selected according to practical situations.

The triangular decoration plate 2 is located one side of the extending part 12, which is away from the sheet metal part 3, when the triangular decoration plate 2 is specifically arranged, the triangular decoration plate 2 can be located on the horizontal part 121 of the extending part 12 along the height direction of the vehicle body, and one end of the triangular decoration plate 2 along the height direction of the vehicle body is abutted against the horizontal part 121 of the extending part 12 and is fixedly connected with the horizontal part 121. The other end of the triangular trim 2 away from the horizontal portion 121 of the extension portion 12 is provided with an abutment plate 22, and the abutment plate 22 abuts against a side of the vertical portion 122 facing the sheet metal part 3 to limit the triangular trim 2 in the vehicle width direction.

The triangle plaque 2 is located the extension 12 and deviates from the one side of sheet metal component 3, can shelter from extension 12 and sheet metal component 3 simultaneously. Under the effect of triangle plaque 2, the connection structure of extension 12 and sheet metal component 3 to and be used for fixed rear-view mirror's on the sheet metal component 3 structure etc. are jointly sheltered from, make it invisible in the door space, have promoted the vision neatly nature in the interior space of car. Moreover, the triangular decoration plate 2 is pressed against and fixedly connected with the horizontal portion 121 of the extension portion 12, so that the positions of the triangular decoration plate 2 in the height direction of the vehicle body and the length direction of the vehicle body are well limited, the gap between the triangular decoration plate 2 and the door guard plate body 11 along the height direction of the vehicle body is well limited, and the gap between the triangular decoration plate 2 and the A column or the side door window frame is well limited in the length direction of the vehicle body.

Since the triangular trim 2 has a large dimension in the vehicle body height direction, at the other end of the triangular trim 2 fixedly connected to the horizontal portion 121 in the vehicle body height direction, an abutting plate 22 is further provided, and the abutting plate 22 is made to abut against the side of the vertical portion 122 toward the sheet metal member 3 in the vehicle body width direction. The fixed connection of the triangular decoration plate 2 and the horizontal part 121 is matched with the abutting connection of the vertical part 122 by the abutting plate 22, so that the displacement trend of the triangular decoration plate 2 towards the side deviating from the sheet metal part 3 is effectively limited, and the gap between the triangular decoration plate 2 and the sheet metal part 3 along the width direction of the vehicle body is better limited.

It should be understood that, in the door assembly provided in the embodiment of the present application, the door panel body 11 and the horizontal portion 121 of the extension portion 12 may be fixedly connected, and may be integrally formed, or may be connected by bonding, welding, or the like. Similarly, the connection between the horizontal portion 121 and the vertical portion 122 may be integrally formed or may be connected by bonding, welding, or the like. As an example, as shown in fig. 1, the vertical portion 122, the horizontal portion 121, and the door panel body 11 are integrally formed. The integrated connection mode is adopted, so that the device has the characteristics of high connection strength, good connection stability, simple production and manufacture, no need of additional assembly operation and the like.

When the vertical portion 122 is specifically provided, the vertical portion 122 may have a triangular shape similar to that of the triangular region, but the size thereof should be smaller than that of the triangular region and the triangular trim 2 so as to facilitate the installation of the subsequent triangular trim 2 and the shielding of the vertical portion 122 with the triangular trim 2. Also, in the vehicle width direction, the size and shape of the horizontal portion 121 are adapted to the size and shape of the trim panel 2 so that a more uniform appearance surface is obtained after the trim panel 2 is mounted, improving the aesthetic appearance of the door assembly.

As an alternative embodiment, the triangular trim 2 includes a triangular plate 21 and a side gusset 24, wherein the triangular plate 21 is provided in a stacked manner with the vertical portion 122 in the vehicle body width direction, and the triangular plate 22 covers most of the vertical portion 122. The side coaming 24 is connected with the edge of the triangular plate 21 and extends towards one side where the sheet metal part 3 is located along the width direction of the vehicle body, and the side coaming 24 mainly covers a gap left by lamination between the triangular plate 22 and the sheet metal part 3 so as to improve the aesthetic degree of the interior trim of the vehicle body. The abutment plate 22 is fixed to the side wall plate 24. Specifically, the abutment plate 22 may be disposed to extend downward from the side gusset 24 in the upper direction of the vehicle body height direction on the side of the side gusset 24 toward the vertical portion 122. And the abutment plate 22 may be disposed in parallel with the triangular plate 21.

When the triangular decoration plate 2 is installed, after the fixed connection of the vertical part 122 and the sheet metal part 3 is completed and the gap between the vertical part 122 and the sheet metal part 3 is adjusted, the triangular decoration plate 2 is only required to be inserted downwards along the height direction of the vehicle body, so that the vertical part 122 of the extension part 12 can be inserted into the area between the abutting plate 22 and the triangular plate 21, the abutting of the abutting plate 22 and the vertical part 122 is completed, and the triangular decoration plate 2 is convenient to install.

As an alternative embodiment, abutment plate 22 is integrally formed with side wall 24. By adopting the integrally formed abutting plate 22 and the side wall 24, when the abutting plate 22 abuts against the vertical portion 122, higher connection strength of the abutting plate 22 and the side wall 24 can be provided, and the gap between the triangular ornamental plate 2 and the sheet metal part 3 can be controlled. Meanwhile, by adopting the integrally formed arrangement, the abutting plate 22 and the side wall 24 can be manufactured by using a group of dies, so that the production flow is simplified, and meanwhile, the subsequent assembly operation of the abutting plate 22 and the side wall 24 can be saved.

The vertical portion 122 is fixedly connected with the door sheet metal, and various manners such as welding, clamping, screw fastening connection and the like can be adopted.

As an alternative embodiment, the door assembly further comprises a threaded connection fixedly connecting the vertical portion 122 of the extension 12 with the sheet metal part 3. Specifically, as shown in fig. 1, a fixing member with a threaded hole may be fixed on one side of the triangular region of the sheet metal part 3, which faces away from the vertical portion 122, and through holes are correspondingly formed in the sheet metal part 3 and the vertical portion 122, respectively, and a threaded fastener sequentially penetrates through the through holes of the vertical portion 122 and the sheet metal part 3 from one side of the vertical portion 122 along the width direction of the vehicle body, and is screwed into the threaded hole of the fixing member, so that the fixed connection between the vertical portion 122 and the sheet metal part 3 is realized. The form of the threaded fastener may include, but is not limited to, a bolt, a screw, and the like.

The vertical part 122 is fixedly connected with the sheet metal part 3 by adopting a threaded fastener, and the sheet metal part can have the characteristics of simple assembly, firm fixation and easy disassembly.

Optionally, the sheet metal part 3 is bent towards the direction of the fixing part in the area where the fixing part is arranged and forms a boss, and the boss can be abutted with the vertical part 122 to obtain a larger contact area, so that the stability of fixed connection is improved.

Optionally, when the vertical portion 122 and the sheet metal part 3 are fixedly connected, adjusting gaskets with different thicknesses can be arranged between the vertical portion 122 and the sheet metal part 3, so that the distance between the vertical portion 122 and the sheet metal part 3 can be conveniently adjusted during subsequent assembly, and further, the vertical portion 122 and the abutting plate 22 of the triangular ornamental plate 2 can be effectively abutted.

The following describes the fixed connection between the triangular trim 2 and the horizontal portion 121 in detail with reference to the accompanying drawings. Referring to fig. 1, fig. 2 and fig. 3 together, fig. 2 is a partial view of a triangle plaque fixedly connected with a horizontal portion in an embodiment of the application; FIG. 3 is a schematic view of a clamping post and a clamping hole.

As an alternative embodiment, a clamping column 23 is arranged on one side of the triangular decoration plate 2 facing the horizontal part 121, a clamping hole is arranged on the horizontal part 121, and the clamping column 23 is clamped with the clamping hole, so that the triangular decoration plate 2 is fixedly connected with the horizontal part 121. Specifically, a bottom wall plate fixedly connected to the triangular plate 21 is provided on the side of the triangular plate 2 facing the horizontal portion 121, and the engagement post 23 is fixed to the bottom wall plate. The position of the clamping hole is matched with the position of the clamping column 23, and when the triangle is assembled, the clamping column 23 penetrates into the clamping hole from top to bottom along the height direction of the vehicle body and is connected with the clamp Kong Di. When the specific triangular decoration plate 2 is to be displaced along the width direction and the length direction of the vehicle body, the clamping holes and the clamping columns 23 are clamped to limit the displacement trend of the triangular decoration plate 2, so that the position of the triangular decoration plate 2 is ensured, and the gaps between the triangular decoration plate 2 and other parts such as the vehicle door protection plate body 11 are well controlled.

Of course, in the embodiment of the present application, the number of the clamping posts 23 may be determined according to the size of the triangular decoration plate 2, for example, for the triangular decoration plate 2 with smaller size, one or two clamping posts 23 may be provided to better fixedly connect the triangular decoration plate 2 with the horizontal portion 121; for the triangular trim 2 having a large size, three or more snap posts 23 may be provided to secure the connection strength of the triangular trim 2 with the horizontal portion 121.

As an alternative embodiment, in order to further improve the connection strength of the trim panel 2 and the horizontal portion 121, the door assembly further includes a metal clip 4; the metal card 4 is arranged in the card hole in a penetrating way, and the clamping column 23 is clamped and fixed through the metal card 4. As shown in fig. 2, the metal card 4 may have a U-shaped structure, the metal card 4 is inserted into the card hole, the elasticity of the metal card 4 itself makes two side walls of the metal card 4 have a tendency to turn from the center of the card hole to two sides, and under the elastic action of the metal card 4, the two side walls of the metal card 4 are propped against the side walls of the card hole. Meanwhile, the inner wall of the metal card 4 is provided with a clamping structure, and the clamping structure clamps the clamping column 23 in the metal card 4.

The materials of the clamping column 23 and the horizontal part 121 are mostly engineering plastics, and the clamping column 23 and the clamping hole are clamped by adopting the metal clamp 4 to assist the clamping, so that the wear resistance in the connection process of the clamping column 23 and the clamping hole can be effectively improved, and the reliability of the fixed connection of the triangular ornamental plate 2 and the horizontal part 121 is improved. Meanwhile, the elastic force of the metal clamp provides a certain prestress for clamping the clamping column 23 and the clamping hole, so that the possibility of abnormal sound generated by friction between the subsequent clamping column 23 and the clamping hole can be reduced.

The metal card 4 is also abutted with the clamping column 23 along the height direction of the car body, namely the clamping column 23 is abutted to the bottom of the U-shaped metal card 4 along the height direction of the car body, and the clamping column 23 can be limited in the height direction of the car body, so that the triangular decoration plate 2 is favorably kept at the position of the triangular decoration plate 2 along the height direction of the car body, and further the gaps between the triangular decoration plate 2 and other parts such as the car door protection plate body 11 are favorably controlled.

As an alternative embodiment, when the metal card 4 is specifically provided, the metal card 4 has a turned-up edge, which abuts against the side of the horizontal portion 121 facing the triangular trim 2. Referring to fig. 1, a flange is provided for the metal card 4 and abuts against the horizontal portion 121, so that the metal card 4 can be used as a foolproof device in assembly operation, and when the metal card 4 is assembled from top to bottom, the excessive assembly depth is prevented, the once-assembled in-place rate is improved, and the assembly adjustment time is shortened. Meanwhile, the flanging can also assist in limiting the movement of the metal clip under the clip Kong Zhongshang and assist in limiting the position of the triangular ornamental plate 2.

As an alternative embodiment, the clamping post 23 is provided with an anti-slip structure; the anti-slip structure is abutted with the metal card 4. Specifically, the anti-slip structure may be a series of grooves or bumps provided on the clip post 23. Through setting up anti-skidding structure, can further promote the stability of metal card 4 centre gripping joint post 23, further reduce the risk that joint post 23 and draw-in hole are taken off and are connected, do benefit to the position that keeps triangle plaque 2 to do benefit to the clearance between restriction triangle plaque 2 and other parts.

Of course, the anti-slip structure may be provided not only on the clip post 23 but also on the metal clip 4, the wall surface of the clip hole, and the like.

As another alternative embodiment, the side of the clamping post 23 facing away from the triangular ornamental plate 2 is provided with a barb; the barbs are against the side of the horizontal portion 121 facing away from the triangular tile 2. By arranging the barbs to be abutted with the horizontal part 121, the metal clamp 4 can be used as an alternative scheme, and the clamping columns 23 can be prevented from being separated from the clamping holes, so that the connection failure of the triangular ornamental plate 2 and the horizontal part 121 is caused. The use of the barbs allows for the integrated formation of the barbs with the clip posts 23, which saves part cost and assembly steps as compared to the use of the metal card 4, but the use of barbs is difficult to provide the prestress as with the use of the triangular trim 2. In actual production, a specific scheme can be selected according to actual requirements.

Of course, the above solution of using the metal card 4 and providing barbs is not all the way the clamping post 24 is connected to the clamping hole, and in other possible embodiments, other clamping forms of clamping the clamping post to the clamping hole are possible.

The embodiment of the application also provides an automobile, which comprises an automobile body and any one of the automobile door assemblies arranged on the automobile body. A door module provided on the vehicle body, the door module being configured to be brought into contact with a vertical portion of the extension portion of the door panel in the vehicle width direction by a contact portion of the trim panel, thereby restricting a position of the trim panel in the vehicle width direction; the triangular ornamental plate is fixedly connected with the horizontal part of the extension part of the vehicle door guard plate, so that the positions of the triangular ornamental plate in the length direction of the vehicle body and the height direction of the vehicle body are limited; the position of the triangular ornamental plate in the three-dimensional space is well limited, and then the clearance between the triangular ornamental plate and other parts of the vehicle body is well limited.

The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.

The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. A vehicle door assembly, comprising: a vehicle door guard board, a triangular plaque and a sheet metal part; wherein:

the vehicle door guard plate and the sheet metal part are arranged along the width direction of the vehicle body;

The vehicle door guard plate comprises a vehicle door guard plate body and an extension part, wherein the extension part comprises a horizontal part and a vertical part which are fixedly connected; the horizontal part is fixedly connected with the vehicle door guard plate body; the vehicle door guard plate body and the vertical part are fixedly connected with the sheet metal part;

The triangular ornamental plate is positioned on one side of the extending part, which is away from the sheet metal part, and one end of the triangular ornamental plate in the height direction of the vehicle body is propped against the horizontal part and is fixedly connected with the horizontal part; the triangular ornamental plate is provided with an abutting plate along the other end of the height direction of the vehicle body, and the abutting plate abuts against one side, deviating from the sheet metal part, of the vertical portion.

2. The vehicle door assembly of claim 1, wherein a side of the triangular trim panel facing the horizontal portion is provided with a clamping post, the horizontal portion is provided with a clamping hole, and the clamping post is clamped with the clamping hole.

3. The vehicle door assembly of claim 2, further comprising a metal clip; the metal card is arranged in the card hole in a penetrating way, and the clamping column is clamped and fixed through the metal card.

4. The door assembly of claim 3, wherein the metal clip has a flange that abuts the side of the horizontal portion facing the trim panel.

5. The vehicle door assembly of claim 3, wherein the snap post has an anti-slip feature disposed thereon; the anti-slip structure is abutted with the metal clamp.

6. The vehicle door assembly of claim 2, wherein a side of the snap post facing away from the triangular trim panel is provided with a barb; the barb is propped against one side of the horizontal part, which is away from the triangular ornamental plate.

7. The vehicle door assembly of claim 1, wherein the triangular trim panel comprises a triangular panel and a side fascia; the triangular plate is laminated with the extension portion in the vehicle width direction; the side wall plate is connected with the edge of the triangular plate and extends to one side of the sheet metal part along the width direction of the vehicle body;

The abutting plate is fixed on the side wall plate.

8. The vehicle door assembly of claim 7, wherein the abutment plate is integrally formed with the side fascia.

9. The vehicle door assembly as defined in any one of claims 1-8, further comprising a threaded connection fixedly connecting the vertical portion of the extension with the sheet metal part.

10. An automobile comprising a vehicle body, and the door assembly according to any one of claims 1 to 9 provided to the vehicle body.