CN219446697U - A car door reinforcement, car door assembly and vehicle - Google Patents

Abstract

The utility model provides a car door reinforcement, a car door assembly and a vehicle. The car door reinforcement includes a first reinforcement part and a second reinforcement part. The side is connected, the Y-shaped boss structure protrudes along the inner surface of the door outer panel toward the outside of the vehicle, and the opening of the Y-shaped boss structure is used to be arranged toward the rear side of the vehicle, and the second reinforcement is located at the side of the first reinforcement. The inner side is connected to the upper end of the first reinforcement part, and the first reinforcement part is provided with a first installation hole, which is located at the opening of the Y-shaped boss structure, and is used for installing the outside handle of the car door. In this way, by setting the first reinforcing part as an inverted Y-shaped boss structure, the connection area between the door reinforcement and the outer panel of the car door is increased, thereby improving the rigidity of the door assembly; moreover, the Y-shaped boss structure is used to The outer door handle is effectively supported and cushioned to absorb energy, thereby reducing the probability of shaking of the outer door handle and the door assembly.

Description

A car door reinforcement, car door assembly and vehicle

technical field

The utility model relates to the technical field of auto parts, in particular to a car door reinforcement, a car door assembly and a vehicle.

Background technique

The door is an important part of the vehicle. The door can not only isolate the interference from the outside of the vehicle, but also reduce side impact and protect the occupants in the vehicle. At present, the car door mainly includes the inner door panel and the outer door panel. Among them, the outer door panel is an exterior part, which is affected by the constraints of the vehicle shape, and is prone to insufficient local rigidity and abnormal vibration of the outer door handle. On potholes and bumpy roads, there may be abnormal noises and other problems.

Utility model content

The problem solved by the utility model is: how to improve the rigidity of the car door to reduce the probability of the car door shaking and abnormal noise.

In order to solve the above problems, the utility model provides a car door reinforcement, including a first reinforcement part and a second reinforcement part, the first reinforcement part is a Y-shaped boss structure, and is used to connect with the inner surface of the door outer panel, The Y-shaped boss structure protrudes toward the outer side of the vehicle along the inner surface of the door outer panel, and the opening of the Y-shaped boss structure is used to be arranged toward the rear side of the vehicle, and the second reinforcement The part is located inside the first reinforcement part and connected to the upper end of the first reinforcement part. The first reinforcement part is provided with a first installation hole, and the first installation hole is located on the Y-shaped boss. The opening of the structure and is used to install the outside door handle.

Optionally, the first reinforcement part is further provided with a first groove, and the first groove is formed by the first reinforcement part being recessed along the inner side of the door outer panel toward the inner side of the vehicle. Formed and located on the edge of the first mounting hole, and a first fixing hole for fixing the outside handle of the vehicle door is provided in the first groove.

Optionally, the first reinforcing part is provided with a first flange structure at the first mounting hole, and the first flange structure is disposed around an edge of the first mounting hole.

Optionally, the second reinforcement part is provided with a second groove, and the second groove is formed by the second reinforcement part being recessed along the inner side of the door outer panel toward the inner side of the vehicle. , and the second groove is provided with a second mounting hole for mounting the rearview mirror and a second fixing hole for fixing the rearview mirror.

Optionally, ribs are provided at the connection between the first reinforcement part and the second reinforcement part, and/or, the first reinforcement part is also provided with ribs along the edge of the Y-shaped boss structure. glue tank.

Optionally, the door reinforcement further includes a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are respectively used for connecting with two ends of the inner panel of the door along the direction of vehicle travel. , one end of the first reinforcing portion and the second reinforcing portion along the vehicle traveling direction are respectively integrally connected with the first connecting portion, and the first reinforcing portion and the second reinforcing portion are The other end along the traveling direction of the vehicle is integrally connected with the second connection part respectively, and the second connection part is located on the side of the opening of the Y-shaped boss structure and connected to the Y-shaped boss structure. The shaped boss structures jointly enclose the first installation hole.

Optionally, the first connecting part is provided with a second flange structure for lapping on the inner panel of the car door, and/or, the second connecting part is provided with a second flange structure for lapping on the inner panel of the car door. The third flanging structure on the inner panel.

In order to solve the above problems, the utility model also provides a car door assembly, including a door outer panel, a door inner panel and the above-mentioned door reinforcement, and the door reinforcement is arranged on the outer door panel and the inner door between the boards.

Optionally, the door assembly further includes a door anti-collision beam and an anti-collision beam connector, the door anti-collision beam is located below the door reinforcement, and the two ends of the door anti-collision beam are respectively connected to the The inner panel of the car door is connected, and the two ends of the anti-collision beam connecting piece are connected with the door reinforcement and the door anti-collision beam respectively.

In order to solve the above problems, the utility model also provides a vehicle, comprising the above-mentioned vehicle door reinforcement, or comprising the above-mentioned vehicle door assembly.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can improve the rigidity of the door assembly by arranging a door reinforcement between the door outer panel and the door inner panel, and the first reinforcement part and the second reinforcement part constitute the reinforcement main structure of the door reinforcement; By arranging the first reinforcing part as a Y-shaped boss structure with an opening facing the rear side of the vehicle, and connecting the Y-shaped boss structure with the outer panel of the vehicle door, the connection area between the door reinforcement and the outer panel of the vehicle door is increased, thereby Further improve the rigidity of the door assembly to reduce the probability of abnormal noise in the door; and, by setting the first mounting hole for installing the outer handle of the car door at the opening of the Y-shaped boss structure, the Y-shaped boss structure can be used to The outer door handle is effectively supported and cushioned to absorb energy, thereby increasing the local stiffness of the door assembly at the outer door handle, thereby reducing the probability of shaking of the outer door handle and the door assembly, and improving the manufacturing quality of the door assembly and driving comfort. comfort.

Description of drawings

Fig. 1 is a schematic structural view of a car door reinforcement in an embodiment of the present invention;

Fig. 2 is a structural schematic view of another perspective of the door reinforcement in the embodiment of the utility model;

Fig. 3 is the structural representation of the door assembly in the utility model embodiment;

Fig. 4 is the exploded schematic diagram of the door assembly in the utility model embodiment;

Fig. 5 is a schematic structural view of the assembly of the door inner panel, the door reinforcement, the door anti-collision beam and the anti-collision beam connector in the embodiment of the present invention.

Explanation of reference signs:

1. The first reinforcement part; 11. The first mounting hole; 12. The first groove; 13. The first fixing hole; 14. The glue groove; 15. The first weight-reducing hole; 16. The first flanging structure; 17. The third groove; 2. The second reinforcement part; 21. The second groove; 22. The second installation hole; 23. The second fixing hole; 24. The first positioning hole; 25. The second positioning hole; 26 , the second weight-reducing hole; 3, the first connection part; 31, the second flange structure; 4, the second connection part; 41, the third flange structure;

100, car door reinforcement; 200, car door outer panel; 300, car door inner panel; 400, car door anti-collision beam; 500, anti-collision beam connecting piece.

Detailed ways

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

The Z-axis in the drawings represents the vertical direction, that is, the up and down position, and the positive direction of the Z-axis (that is, the arrow pointing to the Z-axis) represents the top, and the reverse of the Z-axis represents the bottom; the X-axis in the drawings represents the horizontal direction , and specified as the left and right positions, and the positive direction of the X-axis represents the right side, and the reverse direction of the X-axis represents the left side; Reverse represents the rear side; at the same time, it should be noted that the meanings of the aforementioned Z-axis, Y-axis and X-axis are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific Orientation, construction and operation in a specific orientation, and therefore should not be construed as limiting the utility model.

It should be noted that the terms "first" and "second" in the specification and claims of the present utility model and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific order or sequence . It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein.

As shown in Figures 1 to 4, the embodiment of the present invention provides a door reinforcement 100, which includes a first reinforcement part 1 and a second reinforcement part 2, the first reinforcement part 1 is a Y-shaped boss structure, and is used for The inner side of the door outer panel 200 is connected, and the Y-shaped boss structure protrudes along the inner side of the door outer panel 200 towards the outer side of the vehicle, and the opening of the Y-shaped boss structure is used to be arranged towards the rear side of the vehicle. The second reinforcement Part 2 is located inside the first reinforcement part 1 and is connected to the upper end of the first reinforcement part 1. The first reinforcement part 1 is provided with a first installation hole 11, and the first installation hole 11 is located at the opening of the Y-shaped boss structure. , and used to install outside door handles.

Specifically, the door reinforcement 100 is used to be installed on the outer door panel 200, and is located between the outer door panel 200 and the inner door panel 300. The first reinforcement part 1 and the second reinforcement part 2 of the door reinforcement part 100 are generally integrated connected to form the reinforced main structure of the door reinforcement 100, wherein the first reinforcement part 1 is the area framed by the dotted line in FIG. The Y-shaped boss structure means that the first reinforcement part 1 protrudes toward the door outer panel 200 , and the second reinforcement part 2 is connected to the inner upper end of the first reinforcement part 1 . It should be noted that the inner side of the first reinforcement part 1 is the side of the first reinforcement part 1 facing the interior of the compartment, and correspondingly, the outer side of the first reinforcement part 1 is the side of the first reinforcement part 1 facing outside the compartment. In addition, The Y-shaped boss structure includes two branch sections and a trunk section that converge at one place. The two branch sections extend from the intersection to the front of the vehicle, and the trunk section extends from the intersection to the rear of the vehicle. Between the two branch sections Forming an acute angle or forming a U-shape (including a U-like shape), and the opening of the Y-shaped boss structure refers to the gap structure surrounded by two branch segments forming an acute angle, and the outer door handle is used to be installed in the opening, That is to say, the opening of the Y-shaped boss structure constitutes the first mounting hole 11, and the shape and size of the first mounting hole 11 are adapted to the type of the outer door handle, that is, when the door reinforcement 100 is used for mounting When the outside handle of the car door is concealed, the opening size and position of the first installation hole 11 match with the outside handle of the hidden car door. The size and position of the opening match the exposed door handle, and at the same time, the opening of the Y-shaped boss structure is set toward the rear side of the vehicle, so that the first reinforcement part 1 has an inverted Y-shaped boss structure as a whole.

In this embodiment, the door reinforcement 100 can be provided between the door outer panel 200 and the door inner panel 300, and the first reinforcement part 1 and the second reinforcement part 2 constitute the reinforcement main structure of the door reinforcement 100, so as to enhance the door reinforcement. The rigidity of the assembly; at the same time, the first reinforcement part 1 can be set as a Y-shaped boss structure with an opening facing the rear side of the vehicle, and the Y-shaped boss structure is connected with the door outer panel 200 to increase the door reinforcement 100 and the connection area between the door outer panel 200, thereby further improving the rigidity of the door assembly and reducing the probability of abnormal noise in the door; moreover, by setting the first mounting hole 11 for installing the outer door handle on the Y-shaped boss At the opening of the structure, the Y-shaped boss structure can be used to effectively support and buffer the energy absorption of the outer door handle, thereby improving the local stiffness of the door assembly at the outer door handle, thereby reducing the vibration of the outer door handle and the door assembly. Probability, improve the manufacturing quality of the door assembly and the comfort of driving.

Optionally, as shown in FIG. 1 and FIG. 4 , the first reinforcement part 1 is also provided with a first groove 12 , and the first groove 12 is directed from the first reinforcement part 1 along the inner surface of the door outer panel 200 to the side of the vehicle. The inward depression is formed and located on the edge of the first installation hole 11 , and the first groove 12 is provided with a first fixing hole 13 for fixing the outer handle of the vehicle door.

Specifically, in one example, as shown in FIG. 1 , two first grooves 12 are respectively provided on the upper and lower edges of the first installation hole 11 , and each first groove 12 is provided with a first fixing Hole 13, that is, the door handle is fixed on the first reinforcement part 1 through four fixing holes. In other examples, one can be provided on the upper edge and the lower edge of the first mounting hole 11 respectively, with a larger size in the front-rear direction. The first groove 12, and a plurality of first fixing holes 13 are set in the first groove 12.

In this embodiment, by setting the first groove 12 on the first reinforcing part 1, and setting the first fixing hole 13 in the first groove 12, it is convenient to pass through the first fixing hole 13 such as screws and other fastening holes. The firmware fixes the outside handle of the car door on the first reinforcement part 1, so as to realize the precise installation of the outside handle of the car door; moreover, it is formed by denting the first reinforcement part 1 along the inner surface of the door outer panel 200 toward the inner side of the vehicle The first groove 12, so that the first groove 12 is also equivalent to a rib structure protruding from the outer surface of the first reinforcement part 1 toward the inner side of the vehicle, which can improve the position of the first reinforcement part 1 at the first fixing hole 13. The structural strength ensures the firmness and stability when the outer door handle is fixed on the first reinforcing part 1, so as to further reduce the probability of the outer door handle shaking when the vehicle is running or the door is closed.

Optionally, as shown in FIG. 1 , the first reinforcing part 1 is provided with a first flange structure 16 at the first installation hole 11 , and the first flange structure 16 is arranged around the edge of the first installation hole 11 .

In this embodiment, the edge of the first installation hole 11 is usually stamped inwardly of the first reinforcement part 1 by a stamping process to form the first flange structure 16, which is equivalent to forming a circle of reinforcing ribs on the edge of the first installation hole 11. , so that the structural strength of the edge of the first mounting hole 11 can be improved to prevent the edge of the first mounting hole 11 from being greatly deformed when the outer door handle is installed, thereby ensuring the firmness of the outer door handle when it is installed in the first mounting hole 11 and stability.

Optionally, as shown in FIG. 2 and FIG. 5 , the first reinforcement part 1 is also provided with a third groove 17 for connecting the anti-collision beam connector 500 , and the third groove 17 is formed along the first reinforcement part 1 . The inner surface of the door outer panel 200 is formed by being recessed toward the inner side of the vehicle.

In this embodiment, one end of the anti-collision beam connector 500 is usually fixed to the third groove 17 of the first reinforcement part 1 by welding or screwing, and the other end is fixed to the anti-collision door of the car door by welding or screwing. Beam 400 on. The anti-collision beam connector 500 can be provided with a mounting position by providing a third groove 17 on the first reinforcement part 1, and by denting the first reinforcement part 1 along the inner side of the door outer panel 200 toward the inner side of the vehicle. The third groove 17 is formed so that the third groove 17 is also equivalent to a protrusion protruding from the outer side of the first reinforcement part 1 (that is, the side of the first reinforcement part 1 facing the outside of the vehicle compartment) toward the inner side of the vehicle. The rib structure can improve the structural strength of the first reinforcement part 1 at the third groove 17 and ensure the firmness and stability of the anti-collision beam connector 500 when it is fixed on the first reinforcement part 1 .

Optionally, as shown in FIG. 1 and FIG. 4 , the second reinforcement part 2 is provided with a second groove 21 , and the second groove 21 is directed from the second reinforcement part 2 along the inner side of the door outer panel 200 to the inner side of the vehicle. The direction depression is formed, and the second groove 21 is provided with a second installation hole 22 for installing the rearview mirror and a second fixing hole 23 for fixing the rearview mirror.

In this embodiment, the second installation hole 22 can be provided in the second groove 21 to provide an installation position for the installation of the rearview mirror, so that the door reinforcement 100 can be applied to the front door assembly; the second groove 21 A plurality of second fixing holes 23 are usually arranged inside, and the rearview mirror is fixedly installed on the second reinforcement part 2 by passing fasteners such as screws into the second fixing holes 23, thereby realizing the installation and fixing of the rearview mirror; and The second groove 21 is formed by indenting the second reinforcing portion 2 along the inner side of the door outer panel 200 toward the inner side of the vehicle, so that the second groove 21 is also equivalent to being formed by the outer side of the second reinforcing portion 2 (ie The rib structure protruding toward the inboard direction of the vehicle from the side of the second reinforcing part 2 towards the side outside the compartment can improve the structural strength of the second reinforcing part 2 at the second mounting hole 22, ensuring that the rearview mirror is fixed on The firmness and stability of the second reinforcing part 2 can reduce the probability of shaking of the rearview mirror when the vehicle is running or the door is closed.

Optionally, as shown in FIG. 1 , ribs 5 are provided at the connection between the first reinforcement part 1 and the second reinforcement part 2 . It is set in this way to increase the strength of the connection between the first reinforcement part 1 and the second reinforcement part 2 , so as to further increase the overall rigidity of the door reinforcement 100 and even the door outer panel 200 .

Optionally, as shown in FIG. 1 , the second reinforcement part 2 is provided with a first positioning hole 24 and a second positioning hole 25, and the first positioning hole 24 and the second positioning hole 25 are respectively located on the second reinforcement part 2 in the vehicle. Both ends in the direction of travel. Wherein, the vehicle usually travels along the front-rear direction, so the vehicle travel direction is the Y-axis direction in FIG. 1 .

In this way, when the door reinforcement 100 is installed, pre-positioning can be performed through the first positioning hole 24 and the second positioning hole 25, so as to improve the installation accuracy and efficiency.

Optionally, as shown in FIG. 1 , the first reinforcement part 1 is further provided with a glue application groove 14 , and the glue application groove 14 is arranged along the edge of the Y-shaped boss structure.

Specifically, the outer side of the first reinforcing part 1 and the inner side of the door outer panel 200 may be welded or bonded. For example, if the door reinforcement 100 is made of steel, the door is usually bonded to The reinforcement 100 is fixed on the inner side of the door outer panel 200. For another example, if the door reinforcement 100 is made of aluminum, the door reinforcement 100 is usually fixed on the inner side of the door outer panel 200 by spot welding. on the side.

In this embodiment, the door reinforcement 100 is further fixed on the door outer panel 200 by setting the glue application groove 14 on the first reinforcement part 1 so as to apply expansion glue in the glue application groove 14, so as to play an auxiliary role. The surface rigidity of the outer door panel 200 is improved while the connection and shock absorption are performed, thereby improving the anti-dent performance of the outer door panel 200 .

Optionally, as shown in FIG. 1 , the first reinforcement part 1 is provided with a first weight reduction hole 15 , and/or, the second reinforcement part 2 is provided with a second weight reduction hole 26 .

In this way, the weight of the door reinforcement 100 and even the door assembly can be reduced by opening a weight-reducing hole on the first reinforcement part 1 and/or the second reinforcement part 2 , which facilitates the lightweight design of the door assembly.

Optionally, as shown in FIG. 1 , the door reinforcement 100 further includes a first connecting portion 3 and a second connecting portion 4 , and the first connecting portion 3 and the second connecting portion 4 are respectively used for driving along the vehicle door inner panel 300 . The two ends in the direction of the vehicle are connected, the first reinforcement part 1 and the second reinforcement part 2 are respectively integrally connected with the first connection part 3 at one end along the vehicle traveling direction, the first reinforcement part 1 and the second reinforcement part 2 are connected along the The other end in the direction of vehicle travel is integrally connected with the second connection part 4 respectively, and the second connection part 4 is located on the side where the opening of the Y-shaped boss structure is located, and together with the Y-shaped boss structure forms the first installation hole 11.

Specifically, the first connecting portion 3 is located at the front end of the door reinforcement 100 and is connected to both the front ends of the first reinforcement 1 and the second reinforcement 2 , and the second connection 4 is located at the rear end of the door reinforcement 100 and is connected to Both the rear ends of the first reinforcement part 1 and the second reinforcement part 2 are connected, and the second connection part 4 and the two branch sections of the Y-shaped boss structure together define a first installation hole 11 .

In this embodiment, the first connecting part 3 can be provided at the front ends of the first reinforcing part 1 and the second reinforcing part 2, and the first connecting part 3 can be used to connect with the front end of the inner panel 300 of the car door to realize door reinforcement. 100 and the front side of the door inner panel 300, at the same time, the second connection part 4 can be provided at the rear end of the first reinforcement part 1 and the second reinforcement part 2, and the second connection part 4 can be used for It is connected with the rear end of the door inner panel 300 to realize the connection between the door reinforcement 100 and the rear side of the door inner panel 300. In this way, on the basis of the connection between the door reinforcement 100 and the door outer panel 200, the door reinforcement 100 is also connected with the door inner panel 300 to further increase the rigidity of the door assembly. Moreover, by integrally connecting the first connecting portion 3 , the second connecting portion 4 , the first reinforcing portion 1 and the second reinforcing portion 2 , welding procedures are reduced and the overall stability of the door reinforcement 100 is improved.

Optionally, as shown in FIG. 2 and FIG. 5 , the first connecting portion 3 is provided with a second flange structure 31 for lapping on the door inner panel 300 , and/or, the second connecting portion 4 is provided with a on the third flange structure 41 lapped on the inner panel 300 of the vehicle door.

Specifically, the second flange structure 31 is usually formed by extending forward from the outer surface of the first connecting portion 3 and overlaps the front end of the door inner panel 300 , and the third flange structure 41 is generally formed by the outer surface of the second connecting portion 4 . The rear end is formed to extend toward the outer side of the door reinforcement 100 , and overlaps the rear end of the door inner panel 300 .

In this way, by setting the second flange structure 31 and/or the third flange structure 41 for lapping on the inner panel 300 of the vehicle door, the connection between the first connecting portion 3 and/or the second connecting portion 4 and the inner panel of the vehicle door can be increased. 300 , thereby improving the structural strength of the connection between the door reinforcement 100 and the door inner panel 300 .

As shown in Figure 3 and Figure 4, another embodiment of the present invention provides a door assembly, including a door outer panel 200, a door inner panel 300 and the above-mentioned door reinforcement 100, the door reinforcement 100 is arranged outside the door between the panel 200 and the door inner panel 300 .

In this embodiment, the door reinforcement 100 is installed between the door outer panel 200 and the door inner panel 300, and the Y-shaped boss structure of the door reinforcement 100 is connected to the inner surface of the door outer panel 200. The door reinforcement 100 The first connecting portion 3 overlaps the front end of the door inner panel 300 , and the second connecting portion 4 of the door reinforcement 100 overlaps the rear end of the door inner panel 300 . In addition, compared with the prior art, the beneficial effect of the vehicle door assembly in this embodiment is the same as that of the above-mentioned vehicle door reinforcement 100 , which will not be repeated here.

Optionally, as shown in FIG. 5 , the door assembly further includes a door anti-collision beam 400 and an anti-collision beam connector 500 , the door anti-collision beam 400 is located below the door reinforcement 100 , and the two ends of the door anti-collision beam 400 The two ends of the anti-collision beam connector 500 are respectively connected with the door reinforcement 100 and the vehicle door anti-collision beam 400 respectively.

Specifically, in one example, mounting hole structures are respectively provided in the third groove 17 of the first reinforcement part 1 of the door reinforcement 100 and on the door anti-collision beam 400 , and the upper end of the anti-collision beam connecting member 500 is usually bolted. The connection is fixed on the door reinforcement 100, and the upper end of the anti-collision beam connector 500 is usually fixed on the middle part of the side of the door anti-collision beam 400 by means of bolt connection. In another example, the anti-collision beam connector The upper and lower ends of the 500 are welded to the door reinforcement 100 and the door anti-collision beam 400, respectively.

In this embodiment, on the basis of the door reinforcement 100 in the door assembly, the strength and rigidity of the door assembly can be further improved by adding the door anti-collision beam 400 and the anti-collision beam connector 500. The two ends of the impact beam connector 500 are respectively connected with the door reinforcement 100 and the door anti-collision beam 400, not only the anti-collision beam connector 500 can be used to further support the door reinforcement 100, but also the door anti-collision beam 400 and the door anti-collision beam 400 can be further supported. The car door reinforcement 100 is connected as a whole through the anti-collision beam connecting part 500, which improves the performance of the car door assembly to withstand the impact of a collision.

Still another embodiment of the present utility model provides a vehicle, comprising the above-mentioned vehicle door reinforcement 100 , or comprising the above-mentioned vehicle door assembly.

Compared with the prior art, the beneficial effects of the vehicle in this embodiment are the same as those of the vehicle door reinforcement 100 or the vehicle door assembly described above, and will not be repeated here.

Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model, and these changes and modifications will all fall within the protection scope of the present utility model.

Claims (10)

1. The utility model provides a door reinforcement, its characterized in that includes first reinforcing part (1) and second reinforcing part (2), first reinforcing part (1) is Y shape boss structure to be used for being connected with the medial surface of door planking (200), Y shape boss structure is followed the medial surface of door planking (200) is protruding towards the outside direction of vehicle, just Y shape boss structure's opening is used for facing towards the rear side setting of vehicle, second reinforcing part (2) are located the inboard of first reinforcing part (1) and connect in the upper end of first reinforcing part (1), be equipped with first mounting hole (11) on first reinforcing part (1), first mounting hole (11) are located Y shape boss structure's the opening part, and be used for installing the outer handle of door.

2. The door reinforcement according to claim 1, wherein a first groove (12) is further provided in the first reinforcement portion (1), the first groove (12) is formed by the first reinforcement portion (1) being recessed toward the inside of the vehicle along the inside surface of the door outer panel (200) and located at the edge of the first mounting hole (11), and a first fixing hole (13) for fixing the door outer handle is provided in the first groove (12).

3. The vehicle door reinforcement according to claim 1, characterized in that the first reinforcement part (1) is provided with a first burring (16) at the first mounting hole (11), and the first burring (16) is arranged around the edge of the first mounting hole (11).

4. The door reinforcement according to claim 1, characterized in that a second groove (21) is provided in the second reinforcement portion (2), the second groove (21) is formed by the second reinforcement portion (2) being recessed toward the inside of the vehicle along the inside surface of the door outer panel (200), and a second mounting hole (22) for mounting a mirror and a second fixing hole (23) for fixing the mirror are provided in the second groove (21).

5. The vehicle door reinforcement according to claim 1, characterized in that the junction of the first reinforcement part (1) and the second reinforcement part (2) is provided with ribs (5) and/or that the first reinforcement part (1) is further provided with glue grooves (14) arranged along the edges of the Y-shaped boss structure.

6. The door reinforcement according to claim 1, further comprising a first connecting portion (3) and a second connecting portion (4), the first connecting portion (3) and the second connecting portion (4) being respectively for connection with both ends of a door inner panel (300) in a vehicle traveling direction, one ends of the first reinforcing portion (1) and the second reinforcing portion (2) in the vehicle traveling direction being respectively integrally connected with the first connecting portion (3), the other ends of the first reinforcing portion (1) and the second reinforcing portion (2) in the vehicle traveling direction being respectively integrally connected with the second connecting portion (4), and the second connecting portion (4) being located on a side of the opening of the Y-shaped boss structure and enclosing the first mounting hole (11) together with the Y-shaped boss structure.

7. The door reinforcement according to claim 6, characterized in that the first connecting portion (3) is provided with a second flange structure (31) for overlapping the door inner panel (300) and/or the second connecting portion (4) is provided with a third flange structure (41) for overlapping the door inner panel (300).

8. A vehicle door assembly comprising a vehicle door outer panel (200), a vehicle door inner panel (300), and a vehicle door reinforcement as claimed in any one of claims 1 to 7, the vehicle door reinforcement being provided between the vehicle door outer panel (200) and the vehicle door inner panel (300).

9. The vehicle door assembly of claim 8, further comprising a vehicle door impact beam (400) and an impact beam connector (500), the vehicle door impact beam (400) being located below the vehicle door stiffener, and both ends of the vehicle door impact beam (400) being connected with the vehicle door inner panel (300) respectively, both ends of the impact beam connector (500) being connected with the vehicle door stiffener and the vehicle door impact beam (400) respectively.

10. A vehicle comprising a door reinforcement as claimed in any one of claims 1 to 7, or comprising a door assembly as claimed in claim 8 or 9.