CN219257236U

CN219257236U - A exterior trimming strip and car for B post

Info

Publication number: CN219257236U
Application number: CN202320209966.0U
Authority: CN
Inventors: 方立锋; 饶聪超; 马永兴; 邵州平; 蒋朝阳; 韩利宏
Original assignee: Shentong Technology Group Co Ltd
Current assignee: Shentong Technology Group Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-27
Anticipated expiration: 2033-02-14

Abstract

The utility model belongs to the field of automobile spare and accessory parts, and provides an exterior trim strip for a B column and an automobile, comprising: the outer plate and the inner plate are molded by injection, the outer plate is fixed on the inner plate, the outer plate completely covers the outer surface of the inner plate, the inner plate is used for forming the main body part of the outer decorative strip and is connected with the B column, and the outer plate is used for forming the appearance surface of the outer decorative strip; the outer plate and the inner plate are arranged for reducing the thickness of the outer decorative strip during one-step molding, so that the phenomenon of shrink printing on the surface of the outer decorative strip is prevented. Compared with the prior art, the utility model has the advantages that the separated outer plate and the inner plate are adopted, the separated design avoids the phenomenon that the surface is easy to be subjected to the shrinkage printing due to the large thickness when the outer decorative strip is formed at one time, and prolongs the service life, wherein the inner plate is used for being connected with the B column of the automobile, and the outer plate is used for forming the appearance surface of the outer decorative strip, so that the surface smoothness of the product is ensured.

Description

A exterior trimming strip and car for B post

Technical Field

The utility model belongs to the field of automobile spare and accessory parts, and particularly relates to an exterior trim strip for a B column and an automobile.

Background

The B column is a vertical beam on the automobile, is positioned between a front seat and a rear seat of the cab and extends from a roof to the bottom of the automobile, supports the roof of the automobile, bears the supporting force of front and rear doors, and is provided with additional parts.

Aiming at the prior art, most of the external decorative strips of the B column are integrally arranged and are formed by die casting by virtue of a die, the cross section of the external decorative strip formed integrally is thicker, and further, the surface can generate structural reduction marks, so that the service life of the product is reduced while the surface smoothness is influenced.

Disclosure of Invention

Aiming at the defects existing in the prior art, the technical problems to be solved by the utility model are as follows: the thickness of the outer decorative strip during one-step molding is reduced through the fixation between the outer plate and the inner plate, and the outer decorative strip for the B column and the automobile are free from shrinkage marks on the surface.

The technical scheme adopted by the utility model for solving the technical problems is that an outer decorative strip for a B column is provided, comprising: the outer plate and/or the inner plate are/is fixed on the inner plate through injection molding, the outer plate completely covers the outer surface of the inner plate, the inner plate is used for forming the main body part of the outer decorative strip and is connected with the B column, and the outer plate is used for forming the appearance surface of the outer decorative strip;

the outer plate and the inner plate are arranged to reduce the thickness of the outer decorative strip during one-step molding, so that the appearance of the reduction phenomenon on the surface of the outer decorative strip is prevented.

In the above-described one of the exterior strips for a B-pillar, the outer panel and the inner panel are integrated by laser welding.

In the above-mentioned an external trim for B pillar, the inner panel includes installation department and welding portion, be equipped with the mounting hole on the installation department, the mounting hole is used for with the installation department with the B pillar is connected through the connecting piece, the welding portion support in the internal surface of planking.

In the above-mentioned external decorative strip for a B-pillar, the welding portion is provided with a positioning block and a welding block, the welding block is abutted against the inner surface of the outer plate, and the section height of the welding block is greater than the section height of the positioning block;

when the welding block is fused to a preset position, the welding block is flush with the upper end surface of the positioning block and simultaneously abuts against the inner surface of the outer plate.

In the outer decorative strip for the B column, a positioning column is arranged on one side, close to the welding part, of the outer plate, a positioning hole is formed in the welding part, and the positioning column is inserted into the positioning hole.

In the above-mentioned outer molding for a B-pillar, the outer panel is made of an infrared transmitting material.

The technical scheme adopted by the utility model for solving the technical problems is that the utility model also provides an automobile, which comprises the outer decorative strip for the B column.

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

(1) The outer decorative strip for the B column and the automobile are provided with the separated outer plate and the separated inner plate, so that the problem that the surface is easily subjected to shrinkage printing due to the fact that the outer decorative strip is large in thickness during one-step forming is avoided, the service life is prolonged, the inner plate is used for being connected with the B column of the automobile, the outer plate is used for forming the appearance surface of the outer decorative strip, and the smoothness of the surface of a product is guaranteed.

(2) The welding part is provided with the locating block and the welding block, the section height of the welding block is larger than that of the locating block, and when the welding block is fused to be flush with the upper end face of the locating block by the locating block, the fixing between the outer plate and the inner plate can be realized, and the operation and the processing are convenient.

(3) The outer plate adopts the infrared transmission material, can utilize laser to directly penetrate the welding piece on the inner plate better, realize the fixed of planking and inner plate after melting the welding piece, when having guaranteed welding quality, also promoted work efficiency.

Drawings

FIG. 1 is a perspective view of an exterior trim for a B-pillar and an automobile;

FIG. 2 is a view of the mounting structure of the outer panel secured to the inner panel;

FIG. 3 is a distribution diagram of the locating block and the weld block on the inner plate.

In the figure, 1, an outer plate; 2. an inner plate; 3. a mounting part; 4. a welding part; 5. a mounting hole; 6. positioning columns; 7. positioning holes; 8. a limiting block; 9. a limit groove; 10. a positioning block; 11. and welding the blocks.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, in this solution, the structure of the B-pillar outer trim for an automobile is mainly described in detail, but the B-pillar outer trim is not limited to be applied to an automobile, and may be applied to an electric vehicle.

As shown in fig. 1 to 3, an exterior trim for a B-pillar according to the present utility model includes: the outer plate 1 and the inner plate 2 are formed by injection molding, the outer plate 1 is fixed on the inner plate 2, the outer plate 1 completely covers the outer surface of the inner plate 2, the inner plate 2 is used for forming the main part of the outer decorative strip and is connected with the B column, and the outer plate 1 is used for forming the appearance surface of the outer decorative strip; the arrangement of the outer plate 1 and the inner plate 2 is used for reducing the thickness of the outer decorative strip during one-step molding, thereby preventing the appearance of the shrinkage mark phenomenon on the surface of the outer decorative strip.

The utility model relates to an outer decorative strip for a B column, which mainly solves the problem that the thickness of the outer decorative strip is easy to generate structural shrink print on the surface of a product during one-time molding, and the surface defect is obvious along with the time, so that the surface smoothness is affected, and the service life of the product is reduced at the same time. Besides, the thickness of the outer plate 1 and the inner plate 2 in one-step forming is reduced compared with that of the integral outer decorative strip in the prior art, so that the phenomenon that the surface of the outer decorative strip is easy to shrink is prevented, and the service life of the product is prolonged.

The inner plate 2 comprises a mounting part 3 and a welding part 4, wherein a mounting hole 5 is formed in the mounting part 3, the mounting hole 5 is used for connecting the mounting part 3 with a B column through a connecting piece, and the welding part 4 abuts against the inner surface of the outer plate 1.

The inner plate 2 in the above is composed of the mounting portion 3 and the welding portion 4, and the mounting portion 3 and the welding portion 4 are integrally distributed in a step shape, so that the inner plate 2 can not interfere with the outer plate 1 when being mounted on the B-pillar, in order to fix the inner plate 2 on the B-pillar better, the mounting portion 3 is provided with the mounting hole 5, the inner plate 2 is finally fixed on the B-pillar by pushing the inner plate 2 against the B-pillar and penetrating the mounting hole 5 through the connecting piece, preferably, in order to ensure the stability of the inner plate 2 when being fixed on the B-pillar, the welding portion 4 on the inner plate 2 can be provided with a plurality of mounting holes 5 or raised mounting pillars, and each position of the inner plate 2 is ensured to be fixed on the B-pillar by the connecting piece, because the outer plate 1 is fixed on the inner plate 2, the shaking phenomenon of the inner plate 2 is avoided due to the stability of the inner plate 2 when being mounted.

A positioning column 6 is arranged on one side of the outer plate 1 close to the welding part 4, a positioning hole 7 is arranged on the welding part 4, and the positioning column 6 is inserted into the positioning hole 7.

For the fixation between planking 1 and inner panel 2, because planking 1 covers the surface at inner panel 2 completely, consequently, need fix planking 1 on inner panel 2's welding part 4, be equipped with mounting hole 5 on welding part 4, be equipped with reference column 6 on planking 1, utilize reference column 6 to insert to locating hole 7 in, and then guaranteed can not produce relative displacement between planking 1 and the inner panel 2, it is to be noted, in order to further guarantee the location between planking 1 and the inner panel 2 and support, be equipped with stopper 8 on planking 1, be equipped with spacing groove 9 on inner panel 2, through stopper 8 joint on inner panel 2's spacing groove 9, realize the location between planking 1 and the inner panel 2, stability when planking 1 and inner panel 2 are installed has also been promoted.

The outer plate 1 and the inner plate 2 are welded into a whole through laser; the welding part 4 is provided with a positioning block 10 and a welding block 11, the welding block 11 is propped against the inner surface of the outer plate 1, and the section height of the welding block 11 is larger than that of the positioning block 10; when the welding block 11 is melted to a preset position, the welding block 11 is flush with the upper end surface of the positioning block 10 and simultaneously abuts against the inner surface of the outer plate 1; the outer panel 1 is made of an infrared transmitting material.

In the utility model, the outer plate 1 and the inner plate 2 are preferably welded into a whole by adopting laser, because the welding part 4 on the inner plate 2 is completely covered by the outer plate 1, the welding part 4 and the inner surface of the outer plate 1 are welded by adopting the laser, and the welding block 11 is only required to be melted to be flush with the upper end surface of the positioning block 10 by adopting the laser, the outer plate 1 and the inner plate 2 are respectively arranged in a long strip shape, so that the positioning block 10 and the welding block 11 on the inner plate 2 are also arranged in a long strip shape, and the positioning block 10 and the welding block 11 are alternately arranged on the welding part 4 of the inner plate 2, so that on one hand, the outer plate 1 can completely cover the welding part 4, and on the other hand, the welding block 11 can be melted to each part of the outer plate 1 when the outer plate 1 and the inner plate 2 are welded by the laser, and besides, the outer plate 1 adopts an infrared transmission material which can transmit infrared radiation, and in the laser can directly penetrate through the positioning block 1 to be directly arranged on the upper end surface of the inner plate 11 to be flush with the inner plate 11 and further welded to the inner plate 11 by adopting the infrared radiation material, so that the positioning block 11 can be flush with the welding position of the inner plate 11 and the inner plate 2 to be flush with the end surface of the inner plate 11 when the inner plate 2 is welded by the welding part 1.

Further, before the outer plate 1 and the inner plate 2 are not welded, the height of the cross section of the welding block 11 is larger than the height of the cross section of the positioning block 10, so when the outer plate 1 and the inner plate 2 are abutted against each other, the welding block 11 is abutted against the inner surface of the outer plate 1, but the positioning block 10 is not abutted against the inner surface of the outer plate 1, when laser light is transmitted to the welding block 11 from the outer plate 1, the welding block 11 starts to melt until the upper end face of the welding block 11 and the upper end face of the positioning block 10 are in the same level position, namely, the positioning block 10 and the welding block 11 can be abutted against the inner surface of the outer plate 1 at the same time, and gaps are further avoided between the welding block 11 and the inner surfaces of the positioning block 10 and the outer plate 1, so that firmness of the outer plate 1 and the inner plate 2 after welding is ensured.

Preferably, in order to ensure that the welding block 11 on the inner plate 2 can be quickly melted to a position flush with the upper end surface of the positioning block 10 during laser welding, a material which can quickly absorb heat and melt can be adopted on the use of the welding block 11 of the inner plate 2, so that the working efficiency during welding is improved.

As shown in fig. 1 to 3, the working principle of the exterior trim for the B-pillar and the automobile according to the present utility model is as follows:

the outer plate 1 and the inner plate 2 are arranged separately, the thickness of the outer decorative strip during one-step forming is reduced, the surface is prevented from being subjected to shrink printing, the service life of a product is influenced, after the outer decorative strip is respectively formed, the outer plate is fixedly arranged on the B column through the connecting piece by utilizing the mounting holes 5 on the inner plate 2, the positioning and mounting between the outer plate 1 and the inner plate 2 are realized through the positioning columns 6 on the outer plate 1 and the mounting holes 5 on the inner plate 2, due to the fact that the outer plate 1 is made of infrared transmission materials, laser can directly transmit from the outer surface of the outer plate 1 to the welding block 11 on the inner plate 2, and then the welding block 11 is fused to the position flush with the upper end surface of the positioning block 10, so that the welding block 11 and the positioning block 10 are simultaneously abutted against the inner surface of the outer plate 1, and gaps caused by uneven heights when the welding block 11 and the positioning block 10 are abutted against the inner surface of the outer plate 1 are avoided.

It should be noted that the connecting members described herein may be bolts, screws, and other connecting members.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. An exterior trim for a B-pillar, comprising:

the outer plate and/or the inner plate are/is fixed on the inner plate through injection molding, the outer plate completely covers the outer surface of the inner plate, the inner plate is used for forming the main body part of the outer decorative strip and is connected with the B column, and the outer plate is used for forming the appearance surface of the outer decorative strip;

2. An exterior trim strip for a B-pillar according to claim 1, wherein the outer panel and the inner panel are integrated by laser welding.

3. The exterior trim for a B-pillar according to claim 1, wherein the inner panel includes a mounting portion provided with a mounting hole for connecting the mounting portion with the B-pillar by a connecting member, and a welding portion abutted against an inner surface of the outer panel.

4. An exterior trim for a B-pillar according to claim 3, wherein the welding portion is provided with a positioning block and a welding block, the welding block is abutted against the inner surface of the outer panel, and the sectional height of the welding block is greater than the sectional height of the positioning block;

5. An exterior trim strip for a B-pillar according to claim 3, wherein a positioning pillar is provided on a side of the outer panel adjacent to the welded portion, a positioning hole is provided on the welded portion, and the positioning pillar is inserted into the positioning hole.

6. An exterior trim strip for a B-pillar according to claim 1, wherein the outer panel is an infrared transmissive material.

7. An automobile comprising an exterior trim for a B-pillar according to any one of claims 1 to 6.