CN212950447U - A carbon fiber cavity structure, exterior trim and car for car exterior trim - Google Patents

Abstract

The utility model relates to the technical field of automobiles. The utility model discloses a carbon fiber cavity structure, exterior trimming member and car for outer gadget of car. The carbon fiber cavity structure is used for an automobile exterior trimming part and comprises a first cavity section and a second cavity section; the first cavity section comprises a fixed sealing plate and a first cavity positioned on one side of the fixed sealing plate, and the first cavity is communicated with a second cavity contained in the second cavity section; the fixed sealing plate is formed by attaching a first area and a second area which are symmetrical on the first cavity, and the fixed sealing plate is provided with a mounting hole for connecting the carbon fiber cavity structure with the counterpart piece. The utility model provides a carbon fiber cavity structure has characteristics of high quality, low in production cost and production efficiency are high.

Description

A carbon fiber cavity structure, exterior trim and car for car exterior trim

Technical Field

The utility model relates to the field of automotive technology, in particular to a carbon fiber cavity structure, exterior trimming member and car for outer trimming member of car.

Background

Generally, exterior parts of automobiles, such as front lips, side skirts, tail wings, and the like; the high-end design usually adopts a cavity structure, and the cavity structure is provided with a mounting hole, and the cavity structure is fixedly connected with the counterpart member through the mounting hole, as shown in fig. 1, which is a schematic view of a partial structure of the cavity structure in the prior art;

however, due to the existence of the mounting holes, the air bag cannot be filled for 360 degrees along the holes, so that in the process of forming the cavity structure of the product, the mounting holes of the cavity product need to be formed by adopting a gluing mode of the upper plate and the lower plate, but because the manufacturing of the cavity product structure needs a gluing process, the gluing edges are uneven, the appearance is poor, the process procedures are multiple and complex, and the product is high in production cost and low in efficiency;

and the cavity structure enables the air bag to be filled with gaps, so that the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of poor product quality, high production cost and low efficiency of the cavity structure in the background technology.

In order to solve the technical problem, the application discloses a carbon fiber cavity structure for an automobile exterior trim part, which comprises a first cavity section and a second cavity section;

the first cavity section comprises a fixed sealing plate and a first cavity positioned on one side of the fixed sealing plate, and the first cavity is communicated with a second cavity contained in the second cavity section;

the fixed sealing plate is formed by attaching a first area and a second area which are symmetrical on the first cavity;

and the fixed sealing plate is provided with a mounting hole for connecting the carbon fiber cavity structure with the opponent part.

Optionally, the aperture of the first cavity is smaller than the aperture of the second cavity.

Optionally, the fixed sealing plate comprises a mounting portion and a blocking portion;

the mounting part is close to the first cavity, and the mounting hole is arranged in the mounting part;

the width of the blocking part is larger than or equal to the maximum value of the width of the mounting part.

Optionally, the fixed sealing plate is an equal-thickness plate;

the thickness of the fixing seal plate ranges from 2 mm to 3 mm.

Optionally, a first predetermined height exists between the top of the fixed sealing plate and the top of the first cavity.

Optionally, a second predetermined height exists between the bottom of the fixed sealing plate and the bottom of the first cavity.

Optionally, the top of the mounting hole is a concave structure.

Optionally, the fixing connection of the mounting hole and the counterpart member includes any one of a bolt, a screw or a pin.

The application also discloses an exterior trim piece which comprises the carbon fiber cavity structure.

The present application also discloses in another aspect an automobile comprising the exterior trim described above;

the exterior trimming part comprises an automobile front lip, an automobile side skirt or an automobile tail wing.

Adopt above-mentioned technical scheme, the carbon fiber cavity structure that this application provided has following beneficial effect:

the carbon fiber cavity structure is used for an automobile exterior trimming part and comprises a first cavity section and a second cavity section; the first cavity section comprises a fixed sealing plate and a first cavity positioned on one side of the fixed sealing plate, and the first cavity is communicated with a second cavity contained in the second cavity section; the fixed sealing plate is formed by attaching a first area and a second area which are symmetrical on the first cavity, and the fixed sealing plate is provided with a mounting hole for connecting the carbon fiber cavity structure with the counterpart piece.

That is to say this application forms the shutoff in one side of carbon fiber cavity structure, thereby make this carbon fiber cavity structure among the carbon fiber cavity structure forming process by a panel integrated into one piece, only need use an air pocket can, cavity structure does not have this block structure in with prior art, because all there is the cavity around the mounting hole, make unable 360 fills of filling air pocket among the forming process, there is the clearance easily at the mounting hole annex, cause product quality poor, and make cavity structure need the lower plate to form alone, the lower plate bonding forms cavity structure about the rethread, compare down, the carbon fiber cavity structure of this application has product quality, the shaping is with low costs and efficient advantage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a carbon fiber cavity structure of the present application;

FIG. 2 is a schematic diagram of a cavity structure in the prior art;

FIG. 3 is a cross-sectional view of a prior art cavity structure;

FIG. 4 is a cross-sectional view of a carbon fiber cavity structure of the present application;

FIG. 5 is a schematic perspective view of a carbon fiber cavity structure according to the present application;

fig. 6 is a schematic view of the installation structure of the carbon fiber cavity structure of the present application.

The following is a supplementary description of the drawings:

1-a cavity; 2-mounting holes; 21-a recessed structure; 3-a first cavity section; 31-fixing a closing plate; 311-a mounting part; 312-a sealing part; 32-a first cavity; 4-a second cavity section; 5-carbon fiber cavity structure; 6-a counterpart; 7-bolt.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only 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 one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a carbon fiber cavity structure of the present application. The application provides a carbon fiber cavity structure for an automobile exterior trim part, which comprises a first cavity section 3 and a second cavity section 4; the first cavity section 3 comprises a fixed closing plate 31 and a first cavity 32 positioned at one side of the fixed closing plate 31, and the first cavity 32 is communicated with a second cavity contained in the second cavity section 4; the fixing sealing plate 31 is formed by attaching a first area and a second area which are symmetrical on the first cavity 32, and the fixing sealing plate 31 is provided with a mounting hole 2 for connecting the carbon fiber cavity structure with a counterpart member.

That is to say, this application forms the shutoff in one side of carbon fiber cavity structure to make this carbon fiber cavity structure in the forming process of carbon fiber cavity structure by a panel integrated into one piece, only need use an air pocket can, with prior art cavity structure do not have this block structure, as shown in fig. 2 and fig. 3, fig. 2 is the schematic structure drawing of cavity structure among the prior art. Fig. 3 is a cross-sectional view of a prior art cavity structure. Because all there is cavity 1 around mounting hole 2 for the unable 360 fillings of filling air pocket in the forming process, there is the clearance easily in 2 annexs of mounting hole, causes the product quality poor, makes cavity structure need go up the lower plate and forms alone moreover, and the bonding of lower plate forms cavity structure about the rethread, compares under, the carbon fiber cavity structure of this application has product quality height, shaping advantage with low costs and efficient.

Specifically, it can be seen that, in the prior art, the cavity structure is realized by adopting a mode of bonding the upper plate and the lower plate, and due to the adoption of the separate molding of the upper plate and the lower plate, the molding cost is increased, and due to the adoption of the bonding mode, the cost is increased, the product quality scrapping problem can be caused by the bonding process, and the process cost is also increased by cutting edges subsequently.

And the carbon fiber cavity structure that this application provided is in an optional implementation mode, through upper and lower mould shop front process, dress air pocket, evacuation and compound die have just formed, the process and the cost of the product shaping processing that have significantly reduced, improved production efficiency, because this air hose integrated into one piece, need not glue, reduced environmental pollution, do not have gluey seam, also promoted appearance quality.

In an alternative embodiment, the aperture of the first cavity 32 is smaller than the aperture of the second cavity.

In an alternative embodiment, as shown in FIG. 4, FIG. 4 is a cross-sectional view of the carbon fiber cavity structure of the present application. The fixing seal plate 31 includes a mounting portion 311 and a blocking portion 312; the mounting portion 311 is close to the first cavity 32, and the mounting hole 2 is disposed on the mounting portion 311, in an alternative embodiment, the end of the mounting portion 311 connected to the first cavity 32 is circular arc.

Comparing fig. 3, that is to say, the carbon fiber cavity structure of mounting hole 2 department that this application provided only has one side cavity, and the opposite side is the plate body, and then makes the air pocket in the carbon fiber cavity structure need not 360 fills in the forming process, but integrated into one piece.

The width of the blocking portion 312 is greater than or equal to the maximum width of the mounting portion 311, that is, the width of the blocking portion 312 is greater than the aperture of the mounting hole 2, so that the surrounding angle of the cavity portion of the carbon fiber cavity structure at the mounting hole 2 is much smaller than 360 °, which is more beneficial for filling the air bag, and of course, the width of the blocking portion 312 may also be changed according to the requirement of practical application.

In an alternative embodiment, the fixed closing plate 31 is of equal thickness; the thickness range of the fixed sealing plate 31 is 2-3 mm, and the fixed sealing plate is convenient to mold and process.

In an alternative embodiment, the top of the fixed closing plate 31 and the top of the first cavity 32 have a first preset height, and the bottom of the fixed closing plate 31 and the bottom of the first cavity 32 are in the same plane; in another alternative embodiment, the bottom of the fixed closing plate 31 and the bottom of the first cavity 32 have a second preset height, and the top of the fixed closing plate 31 and the top of the first cavity 32 are in the same plane; in another alternative embodiment, the top of the fixed closing plate 31 and the top of the first cavity 32 have a first predetermined height, and the bottom of the fixed closing plate 31 and the bottom of the first cavity 32 have a second predetermined height.

In an alternative embodiment, as shown in fig. 5, fig. 5 is a schematic perspective view of a carbon fiber cavity structure of the present application. The top of the mounting hole 2 is a concave structure 21, which is beneficial to placing a bolt or a screw head structure.

In an alternative embodiment, the fixing connection of the mounting hole 2 and the opponent member includes any one of a bolt, a screw or a pin. As shown in fig. 6, fig. 6 is a schematic view of an installation structure of the carbon fiber cavity structure of the present application, and a through hole corresponding to the installation hole 2 is provided on the counterpart piece, so that the bolt 7 passes through the installation hole 2 and is fixedly connected with the through hole, and further, the carbon fiber cavity structure 5 is fixedly connected with the counterpart piece, and the counterpart piece may be a front bumper or a rear bumper.

The present application also discloses in another aspect an exterior trim piece comprising the carbon fiber cavity structure 5 described above.

The present application also discloses in another aspect an automobile comprising the exterior trim described above;

the exterior trimming part comprises an automobile front lip, an automobile side skirt or an automobile tail wing.

In summary, the carbon fiber cavity structure provided by the present application includes a first cavity section 3 and a second cavity section 4; the first cavity section 3 comprises a fixed closing plate 31 and a first cavity 32 positioned at one side of the fixed closing plate 31, and the first cavity 32 is communicated with a second cavity contained in the second cavity section 4; this fixed shrouding 31 is formed by the first region of symmetry and the regional laminating of second on this first cavity 32, is equipped with mounting hole 2 on this fixed shrouding 31 for be connected this carbon fiber cavity structure with opponent part 6, make this carbon fiber cavity structure forming process in the carbon fiber cavity structure by a panel integrated into one piece, only need use an air pocket can, have the advantage that forming process is simple, with low costs and shaping efficiency is high.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A carbon fiber cavity structure for automobile exterior parts, characterized in that the carbon fiber cavity structure is a tubular structure, comprising a first cavity section (3) and a second cavity section (4);

the first cavity section (3) comprises a fixed closing plate (31) and a first cavity (32) positioned on one side of the fixed closing plate (31), and the first cavity (32) is communicated with a second cavity contained in the second cavity section (4);

the fixed closing plate (31) is formed by attaching a first area and a second area which are symmetrical on the first cavity (32);

and the fixed sealing plate (31) is provided with a mounting hole (2) for connecting the carbon fiber cavity structure with an opponent piece.

2. The carbon fiber cavity structure of claim 1, wherein: the aperture of the first cavity (32) is smaller than the aperture of the second cavity.

3. The carbon fiber cavity structure of claim 1, wherein: the fixed sealing plate (31) comprises an installation part (311) and a blocking part (312);

the mounting part (311) is close to the first cavity (32), and the mounting hole (2) is formed in the mounting part (311);

the width of the blocking part (312) is greater than or equal to the maximum value of the width of the mounting part (311).

4. The carbon fiber cavity structure of claim 1, wherein: the fixed sealing plate (31) is an equal-thickness plate;

the thickness range of the fixed sealing plate (31) is 2-3 mm.

5. The carbon fiber cavity structure of claim 1, wherein: the top of the fixed closing plate (31) and the top of the first cavity (32) have a first preset height.

6. The carbon fiber cavity structure of claim 1, wherein: the bottom of the fixed closing plate (31) and the bottom of the first cavity (32) have a second preset height.

7. The carbon fiber cavity structure of claim 1, wherein: the top of the mounting hole (2) is a concave structure (21).

8. The carbon fiber cavity structure of claim 1, wherein: the fixing connection mode of the mounting hole (2) and the opponent piece comprises any one of a bolt, a screw or a pin.

9. An exterior trim piece, characterized by comprising a carbon fiber cavity structure (5) according to any one of claims 1 to 8.

10. An automobile characterized by comprising the exterior trim according to claim 9;

the exterior trimming part comprises an automobile front lip, an automobile side skirt or an automobile tail wing.

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