Vehicle body trim and vehicle

Abstract

The utility model relates to vehicle decoration element technical field, concretely relates to a car body trim and vehicle. Car body trim includes back, back is equipped with the gluing position for with the car body fixing spare through the adhesion of fixed glue, still be equipped with the adhesion of fixed glue spacing with the gluing position on back, the adhesion of fixed glue is used to form the pre -fixing with the car body fixing spare before the adhesion of fixed glue solidification of car body trim's gluing position and is bonded, keeps the relative position of car body trim and car body fixing spare before the adhesion of fixed glue solidification, is not easy to dislocation because of the flowability of adhesion of fixed glue, car body trim and car body fixing spare rely on the adhesion of fixed glue guarantee the reliability of long -term use, guarantee the accuracy and installation convenience of installation position, are favorable to improving installation efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle decorative elements, specifically to a vehicle body decorative component and a vehicle. Background Technology

[0002] Vehicle trim pieces serve various functions, including aesthetics, warning, and protection, and are widely used on different parts of the vehicle body. Common examples include front and rear trim pieces. Bus trim pieces are typically attached to the vehicle body using adhesive. The adhesive is extruded from a machine and applied to the back of the trim piece, which is then attached to the body panel. The body panel forms the body's fixing components, and the adhesive, commonly known as PVC glue, provides the bond. However, initially, the adhesive is semi-solid, and the trim piece is not fully fixed, making it prone to misalignment. This is especially true for vertically installed and heavier trim pieces, which are easily shifted. Assembly workers may need to manually support them or use tools to hold them in place for a period, which reduces installation efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a vehicle body trim piece to solve the problem that current vehicle body trim pieces are prone to misalignment during adhesive bonding and fixing, which affects installation efficiency; the purpose of this utility model is also to provide a vehicle to solve the above problems.

[0004] The technical solution of this utility model for the vehicle body trim is as follows: A vehicle body trim piece includes a back side, which has an adhesive application area for fixing to a vehicle body fastener with adhesive. The back side also has an adhesive body spaced apart from the adhesive application area. The adhesive body is used to bond the vehicle body trim piece to the vehicle body fastener before the adhesive at the adhesive application area of ​​the vehicle body trim piece cures, thus forming a pre-fixed bond.

[0005] Beneficial effects: This utility model improves upon existing vehicle body trim pieces by providing an adhesive body on the back of the trim piece, located beside the adhesive application area. During installation, adhesive is applied to the adhesive application area on the back of the trim piece, and the adhesive body is then attached and fixed to the vehicle body fixture. Before the adhesive at the adhesive application area cures, the adhesive body pre-fixes the trim piece to the fixture. Compared to adhesive, the adhesive body forms sufficient adhesion faster and requires no curing time; it only serves as a pre-fixation. Before the adhesive cures, it maintains the relative position of the trim piece and the fixture, preventing misalignment due to the adhesive's fluidity. The adhesive body provides pre-fixation for the trim piece before it is fully fixed, and after full fixation, the cured adhesive ensures long-term reliability, guarantees accurate installation position and ease of installation, and improves installation efficiency.

[0006] Furthermore, the adhesive is double-sided tape.

[0007] Furthermore, two or more adhesive bodies are provided at intervals along the length of the vehicle body trim.

[0008] Furthermore, the glue application area is a glue tank.

[0009] Furthermore, the back surface is concave and has raised ribs, with the adhesive groove formed between two adjacent raised ribs.

[0010] Furthermore, the raised rib is a ring-shaped structure that extends along the contour of the body trim.

[0011] Furthermore, the adhesive is positioned within the area enclosed by the circular ribs.

[0012] Furthermore, the adhesive has the ability to deform under pressure, and the adhesive protrudes from the rib before being bonded to the vehicle body fastener.

[0013] Furthermore, the body trim includes a substrate made of PDCPD material and a coating formed on the surface of the substrate by vacuum plating.

[0014] The technical solution of this utility model for the vehicle is: A vehicle includes a body and a body trim piece. The body trim piece includes a back side, which has an adhesive application area for fixing to a body fastener with adhesive. The back side also has an adhesive body spaced apart from the adhesive application area. The adhesive body is used to bond the body trim piece to the body fastener before the adhesive at the adhesive application area of ​​the body trim piece cures, thus forming a pre-fixed bond.

[0015] Beneficial effects: This utility model improves upon existing vehicle body trim pieces by providing an adhesive body on the back of the trim piece, located beside the adhesive application area. During installation, adhesive is applied to the adhesive application area on the back of the trim piece, and the adhesive body is then attached and fixed to the vehicle body fixture. Before the adhesive at the adhesive application area cures, the adhesive body pre-fixes the trim piece to the fixture. Compared to adhesive, the adhesive body forms sufficient adhesion faster and requires no curing time; it only serves as a pre-fixation. Before the adhesive cures, it maintains the relative position of the trim piece and the fixture, preventing misalignment due to the adhesive's fluidity. The adhesive body provides pre-fixation for the trim piece before it is fully fixed, and after full fixation, the cured adhesive ensures long-term reliability, guarantees accurate installation position and ease of installation, and improves installation efficiency.

[0016] Furthermore, the adhesive is double-sided tape.

[0017] Furthermore, two or more adhesive bodies are provided at intervals along the length of the vehicle body trim.

[0018] Furthermore, the glue application area is a glue tank.

[0019] Furthermore, the back surface is concave and has raised ribs, with the adhesive groove formed between two adjacent raised ribs.

[0020] Furthermore, the raised rib is a ring-shaped structure that extends along the contour of the body trim.

[0021] Furthermore, the adhesive is positioned within the area enclosed by the circular ribs.

[0022] Furthermore, the adhesive has the ability to deform under pressure, and the adhesive protrudes from the rib before being bonded to the vehicle body fastener.

[0023] Furthermore, the body trim includes a substrate made of PDCPD material and a coating formed on the surface of the substrate by vacuum plating. Attached Figure Description

[0024] Figure 1 This is a front structural schematic diagram of an embodiment of the vehicle body trim part of this utility model; Figure 2 for Figure 1 A schematic diagram of the rear structure of the body trim parts; Figure 3 for Figure 1 A cross-sectional structural diagram of the body trim parts.

[0025] In the diagram: 1. Front; 2. Back; 3. Adhesive groove; 4. Adhesive body; 5. Outer rib; 6. Inner rib. Detailed Implementation

[0026] The basic concept of this utility model is to pre-fix the body trim piece with the body fastener for a period of time after the initial bonding of the body trim piece and the body fastener, before it is fully fixed, so as to ensure the accuracy of the installation position and the convenience of installation, and improve the installation efficiency.

[0027] The present invention will be described in detail below with reference to specific embodiments.

[0028] Embodiments of the vehicle body trim of this utility model: like Figure 1 , Figure 2 , Figure 3 As shown, the body trim piece in this embodiment is located at the rear of the bus, fixed below the rear windshield, and is an exterior trim piece. This body trim piece has length, width, and thickness directions; the length direction aligns with the left-right direction of the bus body, and the width direction aligns with the top-bottom direction of the bus body. The body trim piece is essentially a decorative panel with characteristic structures on it.

[0029] The vehicle body trim includes a front side 1 and a back side 2. The back side 2 is used to adhere and fix it to the skin of the rear body panel. The corresponding part of the skin panel constitutes a body fastener for bonding and fixing the vehicle body trim. The body fastener and the vehicle body trim are shaped to fit together for installation. The vehicle body trim is fixed to the body fastener with adhesive. The back side 2 of the vehicle body trim has an adhesive application area for fixing it to the body fastener with adhesive. The adhesive application area is an adhesive groove 3. After the adhesive machine extrudes the adhesive, it is applied to the vehicle body trim in a strip along a set trajectory. The adhesive is applied into the adhesive groove 3. After the vehicle body trim is installed on the body fastener, the adhesive comes into contact with the body fastener. After the adhesive cures, the vehicle body trim and the body fastener are firmly bonded and fixed together.

[0030] To prevent the body trim from shifting or misaligning relative to the body fixtures before the adhesive cures, an adhesive body 4 is provided on the back 2 of the body trim, spaced apart from the adhesive application area. The adhesive body 4 is located beside the adhesive application area and is used to pre-fix the body trim to the body fixtures before the adhesive at the adhesive application area cures. When installing the body trim, adhesive is applied to the adhesive application area on its back 2, and the adhesive body 4 is then attached and fixed to the body fixtures. Both the adhesive and the adhesive body 4 adhere to the body fixtures. The adhesive body 4 is required to provide pre-fixation; that is, it must immediately and fully exert its adhesive effect. The adhesive body 4 forms sufficient adhesive force faster than the adhesive, and the adhesive force used for pre-fixation is sufficient to prevent the body trim from shifting. Adhesive 4 does not require curing time; it only serves as a pre-fixation component. Once applied, it is fixed in place. Before the adhesive cures, it maintains the relative positions of the body trim and the body fasteners, preventing misalignment due to the adhesive's fluidity. Adhesive 4 provides pre-fixation for the initial period after the body trim and body fasteners are bonded together, ensuring long-term reliability after full fixation. It also guarantees the accuracy of the installation position and ease of installation, thereby improving installation efficiency.

[0031] In this embodiment, the adhesive 4 is a double-sided adhesive, such as 3M double-sided adhesive. One side is used to adhere to the body trim, and the other side is used to adhere to the body skin. It is first adhered to the body trim and then together they are adhered to the body skin, which is convenient to operate. In other embodiments, instant adhesive can also be applied as the adhesive. The adhesive only needs to be able to quickly form a pre-fixation. This pre-fixation is temporary, so long-term maintenance is not required. The subsequent fixation still relies on the adhesive to cure and form a reliable fixation.

[0032] Two or more adhesive bodies 4 are provided at intervals along the length of the vehicle body trim. In this embodiment, there are two adhesive bodies 4, respectively disposed at both ends of the back surface 2 along the length direction. This ensures reliable pre-fixation while reducing the amount of adhesive used. In other embodiments, a long strip-shaped adhesive body extending along the length of the trim can also be used.

[0033] In this embodiment, the adhesive is injected into the adhesive groove 3, which has a certain depth to facilitate the containment of the adhesive. In other embodiments, the adhesive groove may be omitted, and the adhesive may be applied directly to the surface of the decorative part.

[0034] In this embodiment, the back surface 2 of the vehicle body trim is concave, not flat, with higher edges and a lower center. The back surface 2 is provided with two ribs, namely an outer rib 5 and an inner rib 6. The outer rib 5 and the inner rib 6 are adjacent and spaced apart, forming a glue groove 3. The protrusion height of the ribs is not higher than the edge of the trim. By using the ribs to form the glue groove 3, the main body thickness of the trim can be reduced, thus reducing weight and cost.

[0035] The raised ribs are circular structures extending along the contour of the body trim. Both the outer raised rib 5 and the inner raised rib 6 are annular, with the inner raised rib 6 being the inner ring and the outer raised rib 5 being the outer ring. They are designed to conform to the shape of the outer edge of the trim, forming an annular adhesive groove 3. After applying adhesive, a ring of adhesive is formed, which is beneficial for strong adhesion and sealing. In other embodiments, the raised ribs can also be strip structures.

[0036] The adhesive 4 is positioned within the area enclosed by the circular ribs, that is, within the area enclosed by the inner ribs 6 on the back side 2, so that the adhesive is located in the area near the edge, and the adhesive 4 can be hidden inside.

[0037] The adhesive body 4 has the ability to deform under pressure. It can be made of foam double-sided adhesive. Before being bonded to the vehicle body fastener, the adhesive body 4 protrudes from the rib to ensure a certain amount of deformation after bonding and to ensure reliable pre-fixation.

[0038] The vehicle body trim includes a substrate made of PDCPD material and a glossy coating formed on the substrate surface by vacuum plating. The coating may be applied only to the front side 1. PDCPD is a homopolymer or copolymer of dicyclopentadiene (DCPD), a cross-linked three-dimensional network thermosetting engineering plastic, produced by ring-opening shift polymerization (ROMP) of dicyclopentadiene (DCPD) monomers, and typically processed using reaction injection molding (RIM). Vacuum plating is a surface coating technology performed in a vacuum environment, depositing metals or other materials onto the surface of an object using physical or chemical methods to achieve decorative, protective, or other purposes. In other embodiments, other materials may also be used, such as ABS, PC, aluminum, stainless steel, etc., to make the vehicle body trim, and the coating may also be formed by electroplating.

[0039] The material is selected from PDCPD reaction injection molding, and the surface treatment process adopts vacuum plating, which achieves functions such as no cracking of the decorative parts material bonding and no deformation at high temperature, high gloss effect, and significantly low mold cost. It is suitable for decorative parts of buses and other vehicles with bonding, high gloss effect and low cost requirements.

[0040] The substrate is made of PDCPD material, which can withstand high-temperature environments up to 120℃, avoiding problems such as high-temperature deformation and blistering. PDCPD has lower molding pressure, and molds made of materials such as aluminum molds and resin molds can be used. Moreover, PDCPD molds have a simple structure, and the production batches of PDCPD products are generally small. The mold life requirements are not as high as those for injection molding, so the overall mold cost is lower.

[0041] Vacuum plating gives the plated parts a mirror-like high gloss and a rich variety of colors, including gold and silver. It offers high impact resistance and high elongation at break, making it less prone to cracking and deformation. The material's properties are minimally affected by temperature; it does not become brittle even at low temperatures, allowing for use in both high and low temperature environments. It also exhibits strong corrosion resistance and good wear resistance.

[0042] The decorative parts are reinforced with pre-fixed adhesive structures at both ends. After the adhesive is applied to the perimeter groove, the two ends are pre-positioned with 3M double-sided adhesive to solve the problem of unstable fixation at the beginning of adhesive application and increase the bonding strength.

[0043] Embodiments of the vehicle of this utility model: The vehicle includes a body and body trim pieces. The structure of the body trim pieces in this embodiment is the same as that of the body trim pieces in the above embodiments, and will not be repeated here.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments without creative effort, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A body trim part comprising a back surface provided with a glue application site for fixing to a body fixing member by means of an adhesive, characterized in that, The back side is also provided with an adhesive body spaced apart from the glue application area. The adhesive body is used to bond the body trim to the body fastener before the adhesive at the glue application area of ​​the body trim cures, thus forming a pre-fixed bond.

2. The trim piece of claim 1, wherein, The adhesive is double-sided tape.

3. The trim part according to claim 1 or 2, characterized in that Two or more adhesive bodies are provided at intervals along the length of the vehicle body trim.

4. The trim part according to claim 1 or 2, characterized in that The glue application area is a glue tank.

5. The trim piece of claim 4, wherein, The back surface is concave and has raised ribs, with the groove formed between two adjacent raised ribs.

6. The trim piece of claim 5, wherein, The raised rib is a ring-shaped structure that extends along the outline of the body trim.

7. The trim piece of claim 6, wherein, The adhesive is placed within the area enclosed by the circular ribs.

8. The trim piece of claim 7, wherein, The adhesive has the ability to deform under pressure, and it protrudes from the rib before being bonded to the vehicle body fastener.

9. The trim part according to claim 1 or 2, characterized in that The body trim includes a substrate made of PDCPD material and a coating formed on the surface of the substrate by vacuum plating.

10. A vehicle characterized by Includes the vehicle body and the vehicle body trim as described in any one of claims 1-9.

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