CN111231630B

CN111231630B - Car window assembly with decorative plate through injection molding

Info

Publication number: CN111231630B
Application number: CN202010053136.4A
Authority: CN
Inventors: 王磊; 俞裕生; 许主竹; 王敏; 刘贤平
Original assignee: Fuyao Glass Industry Group Co Ltd
Current assignee: Fuyao Glass Industry Group Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-10-19
Anticipated expiration: 2040-01-17
Also published as: CN111231630A

Abstract

The invention relates to the technical field of vehicle window glass assemblies, in particular to a vehicle window assembly with an injection-molded decorative plate, which comprises glass, a bound edge and the decorative plate, wherein the decorative plate is integrally fixed at the edge of the glass through the bound edge in an injection molding manner, and the vehicle window assembly is characterized in that: the plaque includes the section of bending and straightening the section that link to each other, and the upper end of the section of bending is adjacent with glass, and the lower extreme of the section of straightening is adjacent with the panel beating, and the inboard of the section of bending is equipped with the bulge, and the bulge extends along glass's edge on length direction, extends to glass's lower surface on width direction for the upper surface of bulge just has the overlap region along glass's thickness direction relatively with glass's lower surface. Has the advantages that: simple and compact structure, good stability and low production cost.

Description

Car window assembly with decorative plate through injection molding

The technical field is as follows:

the invention relates to the technical field of vehicle window glass assemblies, in particular to a vehicle window assembly with an injection-molded decorative plate.

Background art:

vehicles are often contoured for aesthetic and comfort. Some local curved surfaces in the modeling are changed greatly, cannot be obtained through bending of automobile glass, only one outer decorative plate can be designed independently, and in order to meet the appearance effect of an automobile body, a plastic high-gloss decorative plate is usually adopted.

The existing vehicle window trim plate is generally assembled after being mounted, namely the trim plate is mounted after glass is mounted, the trim plate is fixed with a vehicle body metal plate through a connecting piece or a connecting structure by designing structures, and the trim plate is mounted through matching of a buckle and a clamping groove. This assembly method has the following problems: 1) the fit clearance surface difference between the glass and the decorative plate is obvious; 2) the independent installation structure of the veneer piece is complex, and an additional installation procedure is needed.

In order to achieve the same vehicle design effect, reduce the installation complexity of the highlight plastic decorative plate and reduce the production cost and investment, a novel installation structure is needed.

The invention content is as follows:

the invention aims to solve the technical problem of the existing vehicle window assembly, and provides the vehicle window assembly with the injection-molded decorative plate, which has the advantages of simple and compact structure, good stability and low production cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a door window assembly who has plaque of moulding plastics, includes glass, bordures and plaque, the plaque passes through bordure integrative injection moulding fix the edge of glass, its characterized in that: the plaque is including the continuous section of bending and the section of unbending, the upper end of the section of bending is adjacent with glass, the lower extreme of the section of unbending is adjacent with the panel beating, the inboard of the section of bending is equipped with the bulge, the bulge on length direction along glass's edge extends, extends to in the width direction glass's lower surface makes the upper surface of bulge with glass's lower surface is relative and follows glass's thickness direction has the overlapping region.

Further, the outer surface of the bending section is flush with the upper surface of the glass, and the outer surface of the straightening section is flush with the outer surface of the metal plate.

Further, the distance between the upper end of the bending section and the edge of the adjacent glass is 2.5-10 mm.

Further, the distance between the upper surface of the protruding part and the lower surface of the glass is 1.5-4 mm.

Further, the width of the overlapping area is 3.5-10 mm.

Further, the protruding part is of a whole section type or a multi-section type.

Further, the underside of the projection is provided with ribs, and the two side walls of at least one rib 34 are perpendicular to the length direction of the projection.

Furthermore, the glass is double-curved glass bent along a transverse axis and a longitudinal axis which are perpendicular to each other, and the shape of the upper end of the bent section is matched with the shape of the edge of the glass.

Furthermore, a main positioning block and an auxiliary positioning block are arranged on the lower surface of the protruding portion and are respectively located at two ends of the protruding portion in the length direction.

Furthermore, the plaque is made of thermoplastic plastics and has a thickness of 3-5 mm.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1) the decorative plate is directly fixed on the glass by injection molding through an integral injection molding structure, so that the rear assembly process is reduced, the structure is simple and compact, and the appearance is good;

2) by arranging the bending section and arranging the convex part on the inner side of the bending section, the injection molding bonding strength can be ensured, and the overall strength of the assembly structure is enhanced;

3) by adopting the plaque structure, the manufacturing precision requirement of the mold on the plaque can be reduced, the plaque is conveniently positioned in the mold and then is integrally injection-molded with glass.

Description of the drawings:

FIG. 1 is a schematic cross-sectional view of an injection molded trim panel vehicle window assembly according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic structural view of a plaque according to the present invention;

FIG. 4 is a schematic structural view of another tile of the present invention;

FIG. 5 is a schematic cross-sectional view of another injection molded trim panel vehicle window assembly in accordance with the present invention;

reference numerals in the drawings indicate: 1 is glass, 11 is the upper surface of glass, 12 is the lower surface of glass, 2 is bordure, 3 is the plaque, 31 is the section of bending, 32 is the section of flare-out, 33 is the bulge, 34 is the rib, 35 is main locating piece, 36 is the auxiliary positioning piece, 37 is the overlapping region, 4 is the panel beating, 41 is the surface of panel beating.

The specific implementation mode is as follows:

in the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, "glass" may be inorganic glass, or may be plastic glass made of organic polymer or the like. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 5, the vehicle window assembly with the injection-molded trim panel 3 of the present invention includes a glass 1, a trim 2 and a trim panel 3, wherein the trim panel 3 is integrally injection-molded and fixed at an edge of the glass 1 through the trim 2, and is characterized in that: plaque 3 is including the continuous section of bending 31 and the section of unbending 32, the upper end of the section of bending 31 is adjacent with glass 1, the lower extreme of the section of unbending 32 is adjacent with panel beating 4, the inboard of the section of bending 31 is equipped with bulge 33, bulge 33 is followed on length direction glass 1's edge extends, extends to on width direction glass's lower surface 12, makes bulge 33's upper surface with glass's lower surface 12 is relative and follows glass 1's thickness direction has overlap region 37. Here, the width direction of the projecting portion 33 is the left-right direction in fig. 1.

The existing decorative plate with a larger size needs one end fixedly installed with glass and the other end fixedly installed with a metal plate of a vehicle body, so that the installation stability of the decorative plate can be ensured. In the invention, the bent section 31 is arranged, and the plaque 3 can be stably fixed only by injection-molding and bonding the upper end of the bent section 31 and the glass 1. Because the plaque only realizes fixing through moulding plastics between the upper end of bending section 31 and glass 1 and bordure 2, for guaranteeing the bonding strength of moulding plastics, through be in glass's lower surface 12 sets up rather than relative bulge 33 to increase the bonding force of moulding plastics between plaque 3 and glass 1, and then guarantee the bulk strength of door window assembly. On the other hand, since the design of the appearance surface of the plaque is complicated and is not suitable as a process reference, the upper surface of the protrusion 33 can be used as a reference surface for positioning the plaque in the mold.

Further, as shown in fig. 1 and 5, the outer surface of the bending section 31 is flush with the upper surface 11 of the glass, and the outer surface of the straightening section 32 is flush with the outer surface 41 of the sheet metal. In the present invention, the outer surface of the bending segment 31 may be slightly higher than the upper surface 11 of the glass; or may be slightly below the upper surface 11 of the glass as shown in figure 5. Flush means that a smooth and continuous transition appearance surface is formed between the outer surface of the bending section 31 and the upper surface 11 of the glass. It should be understood that the straight section 32 is not completely straight, but rather is straight relative to the bent section 31, and may have a curvature for extending from the bent section 31 to the outer surface 41 of the sheet metal, thereby achieving an aesthetic appearance.

In the present invention, in order to satisfy the aesthetic requirement of the appearance surface, the exposed part of the edge cover needs to be as small as possible, and the distance d between the upper end of the bending section 31 and the edge of the adjacent glass 1 is considered in consideration of the injection molding bonding force of the decoration plate and the glass₂Preferably 2.5 to 10mm, more preferably 3.5 to 5 mm.

Preferably, the distance h between the upper surface of the convex portion 33 and the lower surface 12 of the glass is 1.5 to 4mm, and the width d of the overlapping area 37₁3.5 to 10mm, more preferably 5 to 8 mm. By setting a proper interval and a proper width of the overlapped area, the bonding force between the glass and the decorative plate can be further enhanced, and the glass and decorative plate is particularly suitable for the decorative plate 3 with a longer length of the straight section 32, such as the length of the straight section is 10-50 mm, especially 20-30 mm.

In the present invention, the protruding portion 33 extends along the edge of the glass 1 in the length direction, and the protruding portion 33 may be a whole section as shown in fig. 3 or a multi-section as shown in fig. 4 according to design requirements such as strength. The length direction of the protruding portion 33 is the left-right direction shown in fig. 3 or fig. 4.

Further, ribs 34 are provided on the lower side of the protruding portion 33, and both side walls of at least one rib 34 are perpendicular to the length direction of the protruding portion 33. The ribs 34 may serve as reinforcement, while the at least one rib 34 may serve as an auxiliary positioning. In the process of integrally molding the plaque and the glass, the plaque needs to be positioned on a mold, and the plaque is long, the repeatability precision of the end part of the plaque is not high, and the plaque has an irregular shape, so the end part of the plaque cannot be used as a positioning reference. In the present invention, the rib 34 is provided on the lower side of the protruding portion 33, the upper surface of the protruding portion 33 is used as a positioning reference surface in the Z-axis direction, and both side walls of the at least one rib 34 are used as positioning reference surfaces in the X-axis direction. Preferably, at least one rib 34 as an auxiliary positioning is required to be as close to the end of the trim as possible, and a rib on the lower side of the projection 33 closest to the end of the trim may be selected as an auxiliary positioning rib to improve positioning accuracy.

Further, the glass 1 is a double-curved glass bent along a transverse axis and a longitudinal axis which are perpendicular to each other, the edge of the glass is arched, and the shape of the upper end of the bending section 31 is matched with the shape of the edge of the glass 1. According to the invention, the decorative plate 3 with the complex shape can be firmly bonded with the glass 1 by injection molding through arranging a specific decorative plate structure.

Further, a main positioning block 35 and an auxiliary positioning block 36 are disposed on a lower surface of the protruding portion 33, and the main positioning block 35 and the auxiliary positioning block 36 are respectively located at two ends of the protruding portion 33 in the length direction. Because the plaque is longer, and the repeated manufacturing precision is not high, has manufacturing tolerance between the plaque of different batches, consequently, in the integrative injection molding process of plaque and glass, adopt same set of mould can't directly to its length direction go on the location. In the invention, the injection mold is respectively provided with the main positioning structure corresponding to the main positioning block 35 and the auxiliary positioning structure corresponding to the auxiliary positioning block 36, the main positioning structure can position the length direction, the width direction and the width direction of the main positioning block 35 through the complete attachment or the incomplete attachment of the positioning structures and the positioning blocks, and the auxiliary positioning structure only positions the width direction of the auxiliary positioning block 36, but the length direction is not completely attached, so that certain manufacturing tolerance of the decorative plate in the length direction is allowed. The main positioning block 35 and the auxiliary positioning block 36 may be grooves or protrusions.

Furthermore, the plaque 3 is made of thermoplastic hard plastic and has a thickness of 3-5 mm. The decorative plate can be made of PMMA, PC + ABS or PC, and is realized through an injection molding process. The shape of the decorative plate can be varied to meet the requirement of automobile shape design. The appearance of the plaque is a high-brightness effect, the high-brightness surface can be a mirror surface effect obtained by polishing the surface of a hard plastic mould, or the surface can be treated by PC and ABS injection molding and then baking finish, or the surface can be treated by PC injection molding and then adding a surface hard coating curtain coating process.

The present invention is not limited to the above-described embodiments, and therefore, any improvements, equivalent modifications, substitutions and the like made according to the technical gist of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a door window assembly who has plaque (3) of moulding plastics, includes glass (1), bordures (2) and plaque (3), plaque (3) pass through bordure (2) integrative injection moulding fix the edge of glass (1), its characterized in that: the decorative plate (3) comprises a bending section (31) and a straightening section (32) which are connected, the upper end of the bending section (31) is adjacent to the glass (1), the lower end of the straightening section (32) is adjacent to the metal plate (4), a protruding part (33) is arranged on the inner side of the bending section (31), the protruding part (33) extends along the edge of the glass (1) in the length direction and extends to the lower surface (12) of the glass in the width direction, so that the upper surface of the protruding part (33) is opposite to the lower surface (12) of the glass and is provided with an overlapping area (37) in the thickness direction of the glass (1); ribs (34) are arranged on the lower side of the protruding portion (33), and two side walls of at least one rib (34) are perpendicular to the length direction of the protruding portion (33).

2. The vehicle window assembly as claimed in claim 1, wherein: the outer surface of the bending section (31) is flush with the upper surface (11) of the glass, and the outer surface of the straightening section (32) is flush with the outer surface (41) of the metal plate.

3. The vehicle window assembly as claimed in claim 1, wherein: the distance between the upper end of the bending section (31) and the edge of the adjacent glass (1) is 2.5-10 mm.

4. The vehicle window assembly as claimed in claim 1, wherein: the distance between the upper surface of the protruding part (33) and the lower surface (12) of the glass is 1.5-4 mm.

5. The vehicle window assembly as claimed in claim 1, wherein: the width of the overlapping area (37) is 3.5-10 mm.

6. The vehicle window assembly as claimed in claim 1, wherein: the protruding part (33) is of a whole section type or a multi-section type.

7. The vehicle window assembly as claimed in claim 1, wherein: the glass (1) is a double-curved glass (1) which is bent along a transverse axis and a longitudinal axis which are perpendicular to each other, and the shape of the upper end of the bending section (31) is matched with the shape of the edge of the glass (1).

8. The vehicle window assembly as claimed in claim 1, wherein: the lower surface of the protruding portion (33) is provided with a main positioning block (35) and an auxiliary positioning block (36), and the main positioning block (35) and the auxiliary positioning block (36) are respectively located at two ends of the protruding portion (33) in the length direction.

9. The vehicle window assembly as claimed in claim 1, wherein: the plaque (3) is made of thermoplastic plastics and has a thickness of 3-5 mm.