CN216861610U

CN216861610U - Automobile trunk cover

Info

Publication number: CN216861610U
Application number: CN202122717902.5U
Authority: CN
Inventors: 诸晓君; 郑文强; 祝译; 康新成
Original assignee: Yanfeng Plastic Omnium Automotive Exterior Systems Co Ltd
Current assignee: Yanfeng Plastic Omnium Automotive Exterior Systems Co Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-01
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to an automobile trunk cover, which comprises an inner plate made of SMC (sheet molding compound) material, an upper outer plate and a lower outer plate made of polypropylene material, wherein the upper outer plate is adhered to the upper part of the inner plate, the lower outer plate is adhered to the lower part of the inner plate, and the lower part of the upper outer plate covers the upper part of the lower outer plate and is adhered to the upper part of the lower outer plate; the upper portion of planking is provided with great wall form bearing structure down, great wall form bearing structure includes the supporting part that the interval set up, the supporting part supports go up the planking. According to the automobile trunk cover, the inner plate made of SMC material and the upper outer plate and the lower outer plate made of PP material are bonded together, so that the automobile trunk cover can be suitable for various shapes and can reduce the weight; set up hinge reinforcing plate and hasp reinforcing plate on the inner panel, can strengthen the intensity of hinge department and hasp department to make the bulk property unanimous with the fashioned car boot lid of panel beating.

Description

Automobile trunk cover

Technical Field

The utility model relates to the field of automobile parts, in particular to an automobile trunk cover.

Background

In the prior art, the trunk lid of the automobile is supported by adopting a sheet metal forming process, namely, the inner plate and the outer plate of the trunk lid of the automobile are both metal plates formed by the sheet metal process and are connected by welding.

This kind of traditional panel beating car boot lid weight is heavier, can not satisfy the lightweight design requirement of car. In addition, because the panel beating planking is more difficult to the deep cavity shaping, to some special molding like sharp crest line, torsional curved surface etc. traditional panel beating car boot lid often need tear the piece completion open, not only increases part quantity, and the production process is complicated, leads to manufacturing cost height.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trunk lid of an automobile, which not only can be simply formed into various shapes, but also can reduce the weight.

The utility model provides an automobile trunk cover, which comprises an inner plate made of SMC (sheet molding compound) material, an upper outer plate and a lower outer plate made of polypropylene material, wherein the upper outer plate is adhered to the upper part of the inner plate, the lower outer plate is adhered to the lower part of the inner plate, and the lower part of the upper outer plate covers the upper part of the lower outer plate and is adhered to the upper part of the lower outer plate; the upper portion of planking is provided with great wall form bearing structure down, great wall form bearing structure includes the supporting part that the interval set up, is used for supporting go up the planking.

Further, a vent hole is provided between the support portions.

Furthermore, the inner plate is provided with a vent communicated with the vent hole.

Further, the side edge of the supporting part is tightly attached to the inner plate.

Furthermore, hinge reinforcing plates are arranged on two sides of the inner plate and connected with the tail of the automobile through hinges.

Furthermore, the bottom of the inner plate is provided with a lock catch reinforcing plate, and a lock catch is arranged on the lock catch reinforcing plate.

Further, the striker reinforcement plate includes an outwardly extending antenna.

Further, the hasp reinforcing plate with zero laminating of inner panel.

Furthermore, the inner plate is provided with two Y-shaped structures, one of the two Y-shaped structures is connected with each other, the other angle is respectively connected with the hinge reinforcing plates on the two sides of the inner plate, and the bottoms of the two Y-shaped structures are connected with the lock catch reinforcing plate.

Further, a camera support is arranged on the lower outer plate, a supporting structure is arranged on the camera support, and the supporting structure is respectively bonded with the inner plate and the lower outer plate.

According to the automobile trunk cover, the inner plate made of SMC materials and the upper outer plate and the lower outer plate made of PP materials are bonded together, so that the automobile trunk cover can be suitable for various shapes, and the weight can be reduced; set up hinge reinforcing plate and hasp reinforcing plate on the inner panel, can strengthen the intensity of hinge department and hasp department to make the bulk property unanimous with the fashioned car boot lid of panel beating.

Drawings

FIG. 1 is an exploded view of a trunk lid of an automobile according to an embodiment of the present invention;

FIG. 2 is an enlarged view of section I of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

FIG. 5 is a schematic diagram illustrating the fitting relationship between the inner plate and the side edge of the support portion according to the embodiment of the present invention;

FIG. 6 is a front view of a latch area of an inner panel of a trunk lid of an automobile according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view C-C of FIG. 6;

FIG. 8 is a schematic structural view of a striker reinforcement plate of a trunk lid of an automobile according to an embodiment of the present invention;

FIG. 9 is a schematic view of a vehicle trunk lid showing a camera bracket support structure;

FIG. 10 is a schematic diagram of two Y-shaped structures according to an embodiment of the utility model.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present invention provides an automobile trunk lid, which includes an inner panel 1, an upper outer panel 2 and a lower outer panel 3, wherein the inner panel 1 is substantially "ワ" shaped, the upper portion of the inner panel is bonded to the upper outer panel 2 along the boundary, the upper outer panel 2 corresponds to the upper portion of the inner panel 1, one end of the inner panel has a downwardly and inwardly bent portion 20, the lower outer panel 3 corresponds to the lower portion of the inner panel 1 in shape, and the inner side of the bent portion 30 is bonded to the inner side of the bent portion 20 of the upper outer panel, and the inner side of the lower outer panel 3 is bonded to the lower portion of the inner panel 1 along the periphery, thereby forming the automobile trunk lid. The inner plate 1 is made of SMC materials with good mechanical properties, the upper outer plate 2 and the lower outer plate 3 are made of PP materials (polypropylene), and the SMC materials (containing low-density SMC) and the PP materials are low in density relative to sheet metal, so that the inner plate is light in weight, the SMC materials and the PP materials can be formed into various complex shapes through injection molding, the production process is simple, and the cost is low. Satisfy the lightweight designing requirement of car, compromise the diversified demand of various models simultaneously, like the preparation of dark chamber shaping and sharp crest line.

The two sides of the inner plate 1 are respectively provided with a hinge reinforcing plate 4 which is connected with the tail part of the automobile through a hinge, so that the trunk cover of the automobile can rotate relative to the tail door of the automobile, and the trunk cover of the automobile can be opened or closed. The hinge reinforcing plate 4 is made of metal material, such as H300LAD + Z100 galvanized automobile steel, and can be manufactured by sheet metal process to increase the strength of the automobile trunk lid at the hinge joint. The hinge reinforcement plate 4 and the inner panel 1 may be connected by means of bolts, riveting, bonding, or the like.

As shown in fig. 2, a great wall-shaped support structure 31 is provided on the upper portion of the lower outer panel 3, and includes support portions 311 disposed at intervals, and a vent hole 312 is provided between the support portions 311.

As shown in fig. 3, the support portion 311 is used to support the upper outer panel 2 so as to satisfy the static rigidity requirement of the upper outer panel 2. As shown in fig. 4, during assembly, the inner panel 1 is placed on a molding die, and a heating device (not shown) is provided on the molding die, and the heating device blows hot air to directly heat the glue at the bonding portion between the inner panel 1 and the upper outer panel 2 and between the inner panel 1 and the lower outer panel 3, thereby shortening the curing time. Since the space at the position of the bonding position P of the upper outer panel 2 and the lower outer panel 3 is too small to be heated by a heating device, the curing time is long and the tact time is slow. Therefore, in the present embodiment, the inner plate 1 is also provided with the ventilation opening 11 communicated with the ventilation hole 312 on the lower outer plate 3, and hot air (a hot air flow channel framed by a dotted line in fig. 4) passes through the ventilation opening 11 and the ventilation hole 312 and reaches the bonding position P of the upper outer plate 2 and the lower outer plate 3, so that the glue at the position P is rapidly cured, and the production cycle is accelerated.

During assembly, the lower outer plate 3 is firstly bonded on the inner plate 1, and the bonding part between the lower outer plate 3 and the inner plate 1 can be directly heated as the upper outer plate 2 is not installed at the moment; after planking 3 is installed well down, will go up planking 2 again and bond on the overall structure that inner panel 1 and planking 3 formed down, because go up planking 2 and inner panel 1's junction can direct heating solidification, in addition the existence of supporting part 311, it can support planking 2, make this auto trunk lid can not take place deformation and dislocation when the transport, consequently, even go up planking 2 and planking 3 down the glue solidification of junction P slowly, also can slowly solidify under the production line, do not influence the production beat, thereby accelerate production efficiency.

It should be noted that if the production site and equipment permit, the upper and lower outer panels may be bonded first and then to the inner panel to complete the assembly.

As shown in fig. 5, the side 3111 of the supporting portion 311 of the lower outer panel 3 matches the structure of the inner panel 1, that is, the side 3111 is closely attached to the inner panel 1, and when an external force F1 is applied from the outside of the upper outer panel 2 during the assembling process, the inner panel 1 generates a reverse pressing force F2, and the pressing force F2 can be transmitted to the supporting portion 311 through the inner panel 1 and then transmitted to the upper outer panel 2 and the lower outer panel 3, so that the position accuracy of the position can be ensured, and the deformation does not occur when the external force is applied.

As shown in fig. 6 and 7, a latch reinforcement plate 5 is provided at a bottom middle region of the inner panel 1, on which a latch 51 for latching the trunk lid of the automobile to the tailgate of the automobile is provided. The latch reinforcement plate 5 is made of a metal material, such as H300LAD + Z100 galvanized automotive steel, and can be formed by a sheet metal process to increase the strength of the trunk lid in the latch area. The latch reinforcing plate 5 is connected with the inner plate 1 by means of bolts, riveting or bonding. Preferably, there is as little as possible zero fit between the striker reinforcement plate 5 and the inner panel 1.

As shown in fig. 8, the latch reinforcement plate 5 has two outwardly extending antenna 52, and the antenna 52 is connected to the inner plate 1 by means of bolts, riveting or bonding, etc. and plays a role of increasing the strength of the inner plate 1 while latching, so that the inner plate in the latch area meets the strength requirement.

The number of the antenna 52 may be increased or decreased according to the requirement, and the extending direction thereof may be selected according to the portion to be reinforced, which is not limited by the present invention.

As shown in fig. 9, a camera bracket 61 is further disposed on the trunk lid of the automobile for mounting a camera, the camera bracket 61 is welded or adhered to the lower outer plate 3, and a support structure 62 is further disposed on the camera bracket 61, and is integrally formed with the camera bracket 61 and adhered to the inner plate 1 and the lower outer plate 3, respectively, so as to constrain the camera bracket 61 in the X direction, so that the dimension l from the inner plate 1 to the farthest end of the camera bracket 61 can be fixed, so that even if the camera bracket 61 has a manufacturing tolerance, the position of the camera bracket 61 can be controlled by adjusting the wall thickness of the inner plate 1 or the glue thickness between the inner plate 1 and the support structure 62, and the mode of the whole product is improved. For example, if the camera bracket 61 needs to move 0.5mm to the right due to manufacturing variation, the supporting structure 62 and the camera bracket 61 will automatically move 0.5mm to the right by only thickening the wall thickness of the inner plate 1 by 0.5mm, thereby realizing the X-direction adjustment.

As shown in fig. 10, the inner panel 1 is further provided with two Y-shaped structures 12, one corner 121 of the two Y-shaped structures 12 is connected to each other, the other corner 122 of the two Y-shaped structures 12 is respectively connected to the hinge reinforcing plates 4 on both sides of the inner panel 1, and the bottom 123 of the two Y-shaped structures 12 is connected to the latch reinforcing plate 5, so that the whole inner panel 1 has strong torsion and bending resistance, thereby improving the structural strength, stability and safety of the whole luggage compartment cover. Compared with a double-X-shaped structure adopted in the prior art, the double-Y-shaped structure is simpler, the weight is lighter, the occupied space of the joint of the bottom of the double-Y-shaped structure 12 and the lock catch reinforcing plate 5 is small, more space is reserved for the lock catch reinforcing plate 5, and the lock catch can be arranged more easily.

When the automobile trunk cover is actually loaded, the size of the automobile trunk cover is not matched due to the action of the stay bar and the sealing strip, and therefore the problem is solved through the scheme of reverse deformation.

According to the automobile trunk cover provided by the embodiment of the utility model, the inner plate 1 made of SMC material and the upper outer plate 2 and the lower outer plate 3 made of PP material are bonded together, so that the automobile trunk cover not only can be suitable for various shapes, but also can reduce the weight; the hinge reinforcing plate 4 and the latch reinforcing plate 5 are arranged on the inner plate 1, so that the strength of the hinge and the latch can be enhanced, and the overall performance is consistent with that of a sheet metal formed automobile trunk cover.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and various modifications may be made to the above-described embodiment of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The utility model has not been described in detail in order to avoid obscuring the utility model.

Claims

1. The automobile trunk cover is characterized by comprising an inner plate made of SMC (sheet molding compound) material, and an upper outer plate and a lower outer plate made of polypropylene material, wherein the upper outer plate is bonded to the upper part of the inner plate, the lower outer plate is bonded to the lower part of the inner plate, and the lower part of the upper outer plate covers the upper part of the lower outer plate and is bonded with the upper part of the lower outer plate; the upper portion of planking is provided with great wall form bearing structure down, great wall form bearing structure includes the supporting part that the interval set up, the supporting part supports go up the planking.

2. The trunk lid of claim 1, wherein a vent hole is provided between the support portions.

3. The trunk lid for the automobile according to claim 2, wherein a vent hole communicating with the vent hole is provided in the inner panel.

4. The trunk lid of claim 1, wherein the side edges of the support portion abut against the inner panel.

5. The trunk lid of the automobile according to claim 1, wherein hinge reinforcing plates are provided on both sides of the inner panel, and the hinge reinforcing plates are connected to the rear of the automobile by hinges.

6. The trunk lid of claim 5, wherein the bottom of the inner panel is provided with a latch reinforcement plate, and the latch reinforcement plate is provided with a latch.

7. The trunk lid of claim 6, wherein the striker reinforcement plate includes an outwardly extending antenna.

8. The trunk lid of claim 6, wherein the striker reinforcement plate is zero-flush with the inner panel.

9. The trunk lid according to claim 6, wherein two Y-shaped structures are provided on the inner panel, one of the two Y-shaped structures is connected to each other, the other is connected to the hinge reinforcing plates on both sides of the inner panel, and the bottoms of the two Y-shaped structures are connected to the latch reinforcing plates.

10. The trunk lid according to claim 1, wherein a camera bracket is provided on the lower outer panel, and a support structure is provided on the camera bracket, the support structure being bonded to the inner panel and the lower outer panel, respectively.