CN221067737U - Vehicle door inner panel and vehicle - Google Patents

Abstract

The utility model discloses a vehicle door inner plate and a vehicle, wherein a plurality of loop-shaped step structures are arranged at the lower part of the vehicle door inner plate, a central part is arranged at the middle position of the loop-shaped step structures, a peripheral part is arranged at the outer periphery side of the loop-shaped step structures, a concave part is arranged between the central part and the peripheral part, and the height of the concave part is smaller than that of the central part and the peripheral part. The vehicle door inner plate proposal disclosed by the utility model can effectively avoid the wrinkling of the inner side surface of the door inner plate, is particularly used for avoiding the wrinkling near the corner area of the B column, improves the beauty of the door inner plate, greatly reduces the correction period of the wrinkling by the die, saves the cost and improves the quality of the door inner plate and even the whole vehicle.

Description

Vehicle door inner panel and vehicle

Technical Field

The utility model relates to the field of vehicle manufacturing, in particular to a vehicle door inner plate and a vehicle.

Background

At present, the attractive appearance of the automobile body is required to be higher and higher, and the requirement on stamping a single piece of the automobile body is also higher and higher. However, the existing automobile door inner panel modeling is easy to generate wrinkles in the threshold corner area close to the B column, so that the user perception is affected, even the user satisfaction degree is reduced, and the like, and the existing automobile door inner panel modeling is a technical problem to be solved urgently.

Disclosure of utility model

The embodiment of the utility model provides a vehicle door inner plate and a vehicle, which aim to solve the technical problem that the existing door inner plate is easy to wrinkle.

In one aspect, the embodiment of the utility model discloses a vehicle door inner panel, wherein a plurality of loop-shaped step structures are arranged at the lower part of the vehicle door inner panel, a central part is arranged at the middle position of the loop-shaped step structures, a peripheral part is arranged at the outer periphery side of the loop-shaped step structures, a concave part is arranged between the central part and the peripheral part, and the height of the concave part is smaller than that of the central part and the peripheral part.

In one embodiment, the height of the central portion is less than the height of the peripheral portion.

In one embodiment, the center portion is polygonal overall.

In one embodiment, an arcuate transition is provided between the recess and the central portion and between the recess and the peripheral portion.

In one embodiment, the central portion, the peripheral portion, and the recessed portion satisfy at least one of the following conditions:

the width of the cross section of the peripheral part is 5-20mm;

The height of the peripheral part extending upwards from the plane of the concave part is 3-5mm;

the height of the central part extending upwards from the plane of the concave part is 1-3mm.

In one embodiment, the concave portion comprises a plurality of frames, and every two frames are connected through a corner frame.

In one embodiment, the width of the bottom of the frame ranges from 3mm to 7mm.

In one embodiment, the corner frame comprises at least an arcuate segment having a radius of no more than 25mm.

In one embodiment, the lower portion includes a B-pillar side corner region; and/or the material of the vehicle door inner plate is aluminum alloy.

Another aspect of an embodiment of the present utility model discloses a vehicle employing a vehicle door inner panel according to any one of the above embodiments.

Compared with the prior art, the utility model has the following advantages:

The vehicle door inner plate proposal disclosed by the embodiment of the utility model can effectively avoid the wrinkling of the inner side surface of the door inner plate, in particular to the wrinkling near the corner area of the B column, improves the beauty of the door inner plate, greatly reduces the correction period of the wrinkling by the die, saves the cost and improves the quality of the door inner plate and even the whole vehicle.

Drawings

FIG. 1 is a schematic view showing an overall structure of a door inner panel for a vehicle according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of the structure of the portion T in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the section J-J in FIG. 2 according to an embodiment of the present utility model.

The drawings are marked with the following description:

100. A vehicle door inner panel; 10. a recessed portion; 20. a central portion, 30, a peripheral portion; 1. a first frame; 2. a second frame; 3. a third frame; 4. and a fourth frame.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than those herein described, and those skilled in the art will readily appreciate that the present utility model may be similarly embodied without departing from the spirit or essential characteristics thereof, and therefore the present utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some implementations," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model.

Referring to a T portion in fig. 1 and referring to fig. 2, a vehicle door inner panel 100 according to an embodiment of the present utility model is provided, in which a plurality of loop-shaped step structures, i.e., structures with high sides and low middle sides, are provided at a lower portion of the vehicle door inner panel, a center portion 20 is provided at a middle position of the loop-shaped step structures, a peripheral portion 30 is provided at an outer peripheral side of the loop-shaped step structures, a recess portion 10 is provided at a middle of the center portion and the peripheral portion, and a height of the recess portion 10 is smaller than a height of the center portion 20 and the peripheral portion 30.

Through foretell structural design, realized the unsmooth structural style of vehicle door inner panel lower part region to reduced the stress that the molding that suddenly changes produced, be difficult for producing the fold, and promoted the pleasing to the eye of door inner panel, greatly reduced the mould and to the rectification cycle of wrinkling, saved the cost, improved door inner panel and even the quality of whole car.

In one embodiment, the height of the central portion 20 is less than the height of the peripheral portion 30.

In one embodiment, the central portion 20 is polygonal overall, alternatively triangular or quadrilateral overall.

In one embodiment, an arcuate transition is provided between the recess 10 and the central portion 20 and between the recess 10 and the peripheral portion 30.

Optionally, as shown in fig. 3, the arc transition is formed by two sections of arcs e1, e2 or f1, f2, the centers of the two sections of arcs are located at two sides of the arc section, the radius of the arc is determined according to the height difference of the central part, the concave part and the peripheral part, and the preferred radius value range is 6-10mm.

In one embodiment, the central portion, the peripheral portion and the recessed portion satisfy the following condition:

The width E, F, G of the cross section of the peripheral portion 30 has a value ranging from 5mm to 20mm.

As shown in fig. 3, the width of the peripheral portion 30 is: e is the distance from the arc transition area to the R edge stopping position of the side of the B column, F is the distance from the arc transition area to the R angle edge stopping position of the bottom of the corner of the B column, and G is the distance from the arc transition area to the R angle edge stopping position of the threshold flange.

The height H1 of the peripheral part 30 extending upwards from the plane of the concave part 10 is 3-5mm; the height H2 of the central portion 20 extending upward from the plane of the recess 10 is 1-3mm. The center portion 20 is less than the peripheral portion 30 by about half in height, which is desirable in terms of both molding quality and aesthetic appearance.

In conclusion, through the selection of the numerical range, the generation of wrinkles is further reduced, and the aesthetic feeling of the vehicle door inner panel is improved.

In one embodiment, as shown in fig. 2, the recess 10 includes a plurality of frames, preferably 4 frames, which are respectively a first frame 1, a second frame 2, a third frame 3 and a fourth frame 4, and two frames are connected by a corner frame a, b, c, d.

In one embodiment, as shown in fig. 3, the value range of the width L1 of the bottom of the frame is 3-7mm.

In one embodiment, the corner frame a, b, c, d includes an arcuate segment having a radius no greater than 25mm.

As shown in connection with FIG. 2, the radius R of the corners a, b, c is preferably 25mm, while the radius R at the corner d is less than 7mm.

In one embodiment, the lower portion includes a B-pillar side corner region, and by providing the above-described loop-back step structure in the B-pillar side corner region, the probability of wrinkling in that region is reduced or even avoided.

And moreover, the inner plate of the vehicle door is made of aluminum alloy, and the aluminum alloy can reduce the weight of the whole vehicle and can meet the requirements of strength and rigidity.

Another aspect of an embodiment of the present utility model discloses a vehicle employing a vehicle door inner panel according to any one of the above embodiments.

In a specific embodiment, the above-mentioned step structure includes a closed quadrilateral formed by four corners of four outer edges, and the quadrilateral is located at a boundary from high to low when seen from outside to inside, so that the quadrilateral is concave, and the key size of the quadrilateral is as follows;

① E distance = 8mm, is the R stop position from the B column side;

② F is more than 5mm, and is the R-angle edge stopping position at the bottom of the corner of the B column;

③ G distance = 20mm, being the angular edge stop position from the threshold flange R;

④ The radius of the corner a, b and c is 25mm, and the radius of the corner d is less than 7mm.

The four sides and the corners are offset inwards from each other, so that four sides and four corners are formed, the four sides are borderlines from low to high, thus forming a boss model, the concave model and the boss model jointly form a circular step structure at T in fig. 1, and fig. 3 shows a partial section J-J of the circular step structure, and the key dimensions of the partial section J-J are shown in table 1:

TABLE 1

H1	4mm
		H2	2mm
L1	5mm
		e1～e2	R10
f1～f2	R6

In summary, the above embodiment utilizes the local modeling of the concave-convex change to absorb the wrinkling through the novel modeling design, thereby solving the quality problem that the vehicle door inner panel part area is easy to wrinkle.

It should be noted that while the above describes exemplifying embodiments of the utility model, there are several different embodiments of the utility model, which are intended to be illustrative, and that the scope of the utility model is defined by the appended claims.

Claims (10)

1. The utility model provides a vehicle door inner panel which characterized in that, vehicle door inner panel's lower part is provided with a plurality of and returns type step structure, the intermediate position that returns type step structure is provided with the central part, the periphery side that returns type step structure is provided with the peripheral portion, the central part with be provided with the depressed part in the centre of peripheral portion, the height of depressed part is less than the central part with the height of peripheral portion.

2. The vehicle door inner panel according to claim 1, characterized in that the height of the center portion is smaller than the height of the peripheral portion.

3. The vehicle door inner panel according to claim 1, characterized in that the center portion has a polygonal shape as a whole.

4. The vehicle door inner panel according to claim 1, wherein an arcuate transition is provided between the recessed portion and the center portion and between the recessed portion and the peripheral portion.

5. The vehicle door inner panel according to claim 1, wherein the center portion, the peripheral portion, and the recessed portion satisfy at least one of the following conditions:

the width of the cross section of the peripheral part is 5-20mm;

The height of the peripheral part extending upwards from the plane of the concave part is 3-5mm;

the height of the central part extending upwards from the plane of the concave part is 1-3mm.

6. The vehicle door inner panel according to any one of claims 1 to 5, wherein the recessed portion includes a plurality of side frames, and the side frames are connected by a corner frame.

7. The vehicle door inner panel according to claim 6, wherein the frame bottom width has a value in the range of 3-7mm.

8. The vehicle door inner panel according to claim 6, wherein the corner frame includes an arcuate segment having a radius of not more than 25mm.

9. The vehicle door inner panel according to any one of claims 1 to 5, characterized in that the lower portion includes a B-pillar side corner region; and/or the material of the vehicle door inner plate is aluminum alloy.

10. A vehicle, characterized in that the vehicle employs the vehicle door inner panel according to any one of claims 1 to 9.