WO2018036014A1

WO2018036014A1 - Vehicle roof, vehicle, and method for manufacturing vehicle roof

Info

Publication number: WO2018036014A1
Application number: PCT/CN2016/107766
Authority: WO
Inventors: 杨宇威; 田宇黎; 刘肖杏
Original assignee: 北京新能源汽车股份有限公司
Priority date: 2016-08-23
Filing date: 2016-11-29
Publication date: 2018-03-01
Also published as: CN106184399B; CN106184399A

Abstract

A vehicle roof (1), comprising: an inner skin (100), an outer skin (200), a top plate reinforcing layer (300), a top beam core material (400), and multiple column core materials (500). The inner skin (100) and the outer skin (200) are fiber reinforced composite members. The top plate reinforcing layer (300) is clamped between the inner skin (100) and the outer skin (200). The top beam core material (400) is provided around the top plate reinforcing layer (300). The multiple column core materials (500) are connected to the top plate reinforcing layer (300), separately. The vehicle roof has light weight, high structural strength, and low costs. Also disclosed are a method for manufacturing the vehicle roof and a vehicle comprising the vehicle roof.

Description

Roof cover for vehicle, method for manufacturing vehicle and vehicle top cover

Technical field

The present invention relates to the field of vehicle engineering technology, and in particular to a roof cover for a vehicle, a vehicle having a top cover of the vehicle, and a method of manufacturing a roof cover of the vehicle.

Background technique

In the related art, in order to reduce the weight of the vehicle body, the roof of the vehicle body is made of fiber reinforced composite material to replace the original steel roof plate, and although the weight of the roof can be reduced to a certain extent, it still cannot meet the ever-increasing light weight of the vehicle body. Quantitative needs.

Summary of the invention

The present invention aims to solve at least one of the above technical problems in the prior art to some extent. To this end, the present invention provides a roof cover for a vehicle, which has the advantages of light weight, high structural strength, low cost, and the like.

The invention also proposes a vehicle having a roof of the vehicle.

The invention also proposes a method of manufacturing a roof cover for a vehicle.

To achieve the above object, an embodiment of a first aspect of the present invention provides a roof cover for a vehicle, the top cover of the vehicle comprising: an inner layer skin, the inner layer skin being a fiber reinforced composite member; a skin skin, the outer skin is a fiber reinforced composite member and is located outside of the inner skin; a top reinforcing layer, the top reinforcing layer is sandwiched between the inner skin and the outer layer Between the skins; a top beam core material, the top beam core material is sandwiched between the inner layer skin and the outer layer skin and disposed around the top plate reinforcement layer; a plurality of column core materials, a plurality of the columns A core material is sandwiched between the inner skin and the outer skin and is connected to the top reinforcing layer, respectively.

The top cover of the vehicle according to the embodiment of the invention has the advantages of light weight, high structural strength, low cost and the like.

In addition, the top cover of the vehicle according to the above embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, at least one of the inner layer skin and the outer layer skin is provided with a top beam core material mounting groove and a plurality of column core material mounting grooves, and the top beam core material is fitted on the top In the beam core mounting groove, a plurality of the column core materials are respectively fitted in a plurality of the column core material mounting grooves.

According to an embodiment of the invention, the top beam core mounting groove is provided on the inner layer skin, and the pillar core mounting groove is provided on the outer skin.

According to an embodiment of the invention, the top beam core mounting groove is located at the top wall and the side wall of the inner skin Pick up.

According to an embodiment of the present invention, the top beam core material comprises polyvinyl chloride foam, polyurethane foam, polyethylene foam, polypropylene foam, carbon foam, paper honeycomb core material, aramid honeycomb core material, aluminum honeycomb core material, polyurethane honeycomb One or more of a core material, a polyvinyl chloride honeycomb core material, a polypropylene honeycomb core material, a balsa wood, a paulownia wood, a fir, and an oak, each of which is made of a polyvinyl chloride foam or a polyurethane foam. , polyethylene foam, polypropylene foam, carbon foam, paper honeycomb core material, aramid honeycomb core material, aluminum honeycomb core material, polyurethane honeycomb core material, polyvinyl chloride honeycomb core material, polypropylene honeycomb core material, Basha wood, One or more of paulownia wood, fir and oak.

According to an embodiment of the present invention, the top cover of the vehicle further includes a reinforcing core material sandwiched between the inner layer skin and the outer layer skin and located horizontally The inside of the core material of the top beam.

According to an embodiment of the present invention, the top reinforcing layer is a fiber-reinforced composite member and the reinforcing fibers are composed of one or more of carbon fiber, glass fiber, aramid fiber, and basalt fiber.

According to an embodiment of the present invention, the inner layer skin is a fiber reinforced composite member and the reinforcing fibers are composed of one or more of carbon fiber, glass fiber, aramid fiber and basalt fiber, and the outer layer is The skin is a fiber reinforced composite member and the reinforcing fibers are composed of one or more of carbon fiber, glass fiber, aramid fiber and basalt fiber.

An embodiment according to a second aspect of the invention proposes a vehicle comprising a roof of a vehicle according to an embodiment of the first aspect of the invention.

A vehicle according to an embodiment of the present invention has advantages such as light weight, low center of gravity, good maneuverability, low power consumption, and the like by utilizing the top cover of the vehicle according to the embodiment of the first aspect of the present invention.

An embodiment of a third aspect of the present invention provides a method of manufacturing a top cover of a vehicle, the method of manufacturing a top cover of the vehicle comprising the following steps:

Providing an outer skin forming mold and an inner skin forming mold, respectively, laying the fiber fabric in the outer skin forming mold and the inner skin forming mold;

Laying an adhesive in the outer skin forming mold and the inner skin forming mold, respectively;

Forming the outer skin forming mold and the inner skin forming mold respectively to form an outer skin preform and an inner skin preform;

Providing a top cover molding die, a top reinforcement layer, a top beam core material, and a pillar core material, the outer skin preform, the inner layer skin preform, the top plate reinforcement layer, the top beam core material, and the Column core materials are respectively placed in the top cover forming mold;

Forming the top cover molding mold to inject a resin substrate under a predetermined pressure;

Heating to cure the resin matrix;

Cooling demolding forms the roof of the vehicle.

According to the method of manufacturing the top cover of the vehicle according to the embodiment of the invention, there is an advantage that the weight of the top cover can be reduced, the strength of the top cover can be ensured, and the like.

DRAWINGS

1 is a cross-sectional view of a top cover of a vehicle in accordance with an embodiment of the present invention.

2 is a partial cross-sectional view of a top cover of a vehicle in accordance with an embodiment of the present invention.

3 is a partial cross-sectional view of a top cover of a vehicle in accordance with an embodiment of the present invention.

4 is a partial cross-sectional view of a top cover of a vehicle in accordance with an embodiment of the present invention.

5 is a flow chart of a method of manufacturing a top cover of a vehicle according to an embodiment of the present invention.

Reference numerals: a roof cover 1 of the vehicle, an inner layer skin 100, a top beam core material mounting groove 110, an outer layer skin 200, a pillar core material mounting groove 210, a top plate reinforcing layer 300, a top beam core material 400, and a column core material 500.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

The top cover 1 of a vehicle according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1-4, a roof 1 of a vehicle according to an embodiment of the present invention includes an inner skin 100, an outer skin 200, a top reinforcing layer 300, a top beam core 400, and a plurality of pillar cores 500.

The inner skin skin 100 is a fiber reinforced composite member. The outer skin 200 is a fiber reinforced composite piece and is located The outer side of the inner skin 100. The top reinforcement layer 300 is sandwiched between the inner skin 100 and the outer skin 200. The top beam core 400 is sandwiched between the inner skin 100 and the outer skin 200 and disposed around the top reinforcement layer 300. A plurality of pillar cores 500 are sandwiched between the inner skin 100 and the outer skin 200 and are respectively coupled to the top reinforcement layer 300.

The top cover 1 of a vehicle according to an embodiment of the present invention is provided with an inner skin 100, an outer skin 200 made of a fiber-reinforced composite member, and disposed between the inner skin 100 and the outer skin 200 The roof reinforcement layer 300 can utilize the inner skin skin 100, the outer skin 200 and the top reinforcement layer 300 to form the top plate portion of the top cover 1 to achieve the effect of the composite plate, which can not only facilitate the reduction of the overall weight of the top cover 1, but also facilitate Reducing the overall weight of the vehicle, lowering the center of gravity of the vehicle, improving the handling of the vehicle, reducing the energy consumption of the vehicle, and improving the structural strength and rigidity of the top cover 1 by using the roof reinforcement layer 300, and improving the vehicle Reliability.

Moreover, by providing the top beam core material 400, the top beam core material 400, the inner layer skin 100 and the outer layer skin 200 can be used to form the top beam portion of the top cover 1 to position and support the reinforcement of the top plate portion of the top cover 1. In addition, the structural strength and rigidity of the top cover 1 can be further improved, and the vehicle can be replaced with the top metal beam filled with the top beam core material 400 to replace the original metal top beam, and the top cover 1 can be further reduced. The overall weight.

Further, by providing the pillar core 500 connected to the top beam core 400, the pillar core 500, the inner skin 100 and the outer skin 200 can be utilized to form the pillar portion of the roof 1 (for example, the A-pillar, B of the vehicle) Column and C-pillar), in order to position and support the top beam portion of the top cover 1, can not only realize the constitution of the column, but also improve the structural strength and rigidity of the top cover 1, and compared with the related art, the metal structure of the column is used. The original metal column can be replaced with a column structure filled with the column core material 500 to further reduce the overall weight of the top cover 1.

That is, the top cover 1 of the vehicle is provided with the inner skin 100 and the outer skin 200, and the top plate reinforcing layer 300, the top beam core 400, and the corresponding positions of the inner skin 100 and the outer skin 200 are respectively filled. The pillar core material 500 can respectively form different parts of the top cover 1 by using different parts of the inner layer skin 100 and the outer layer skin 200 and the corresponding filling structure, so that the inner layer skin 100 and the outer layer skin cover 200 cover the entire top The cover 1 realizes the integrated design of the top cover 1 , which not only can further reduce the overall weight of the top cover 1 , but also ensure the structural strength and rigidity of the top cover 1 , and can reduce the original metal roof greatly compared with the related art vehicles. And the number of frame parts on the top of the car body, thereby reducing the forming process of the original metal design, reducing the forming cost and improving the production efficiency.

Therefore, the top cover 1 of the vehicle according to the embodiment of the present invention has the advantages of light weight, high structural strength, low cost, and the like.

A top cover 1 of a vehicle according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in FIGS. 1-4, a top cover 1 of a vehicle according to an embodiment of the present invention includes an inner skin 100, an outer skin 200, a top reinforcing layer 300, and a top beam core. 400 and a plurality of column core materials 500.

A top beam core mounting groove 110 and a plurality of column cores are disposed on at least one of the inner layer skin 100 and the outer layer skin 200 The material mounting groove 210, the top beam core material 400 is fitted in the top beam core material mounting groove 110, and the plurality of column core materials 500 are respectively fitted in the plurality of column core material mounting grooves 210. This can facilitate filling the top beam core material 400 and the pillar core material 500 between the inner layer skin 100 and the outer layer skin 200, ensuring the size of the top beam core material 400 and the pillar core material 500, and further improving the structural strength of the roof cover 1 of the vehicle and Stiffness.

Advantageously, as shown in FIGS. 1 and 2, the top beam core mounting groove 110 is disposed on the inner skin skin 100, and the column core material mounting groove 210 is disposed on the outer skin 200. This not only makes the shape of the top cover 1 more neat and tidy, but also facilitates the space inside the vehicle and makes the driver and the passenger more comfortable.

More advantageously, as shown in FIG. 1, the top beam core mounting slot 110 is located at the junction of the top and side walls of the inner skin 100. This not only facilitates the use of the top beam core material 400 to ensure the structural strength and rigidity of the top wall of the top cover 1, but also facilitates the use of the top beam core material 400 to ensure the structural strength and rigidity of the side wall of the top cover 1.

Specifically, the top beam core material 400 is made of polyvinyl chloride foam, polyurethane foam, polyethylene foam, polypropylene foam, carbon foam, paper honeycomb core material, aramid honeycomb core material, aluminum honeycomb core material, polyurethane honeycomb core material, polyvinyl chloride One or more of a honeycomb core material, a polypropylene honeycomb core material, a balsa wood, a paulownia wood, a fir, and an oak, each of which is made of polyvinyl chloride foam, polyurethane foam, polyethylene foam, and poly Propylene foam, carbon foam, paper honeycomb core material, aramid honeycomb core material, aluminum honeycomb core material, polyurethane honeycomb core material, polyvinyl chloride honeycomb core material, polypropylene honeycomb core material, balsa wood, paulownia wood, fir and oak One or several of the components. In this way, the top beam core material 400 and the pillar core material 500 can be formed by using a structure such as a honeycomb or a foam, which can not only ensure the filling effect of the top beam core material 400 and the pillar core material 500, but also ensure the structural strength of the top cover 1, and can facilitate the reduction of the top beam core material 400. The weight of the column core material 500 further facilitates the weight reduction of the top cover 1.

Of course, the top beam core material 400 and the pillar core material 500 may also be constructed of other lightweight materials that are non-cellular and foam structures.

More specifically, the ceiling reinforcing layer 300 is a fiber-reinforced composite member and the reinforcing fibers are composed of one or more of carbon fiber, glass fiber, aramid fiber, and basalt fiber. This can make the top plate reinforcement layer 300 have good structural strength, ensure the reinforcing effect of the top plate reinforcement layer 300 on the top wall of the top cover 1, and can reduce the weight of the top plate reinforcement layer 300, thereby facilitating the weight reduction of the top cover 1.

Optionally, the inner skin 100 is a fiber reinforced composite member and the reinforcing fibers are composed of one or more of carbon fiber, glass fiber, aramid fiber and basalt fiber, and the outer skin 200 is a carbon fiber reinforced composite material. One or more of the components, glass fiber reinforced composite parts, aramid fiber reinforced composite parts and basalt fiber reinforced composite parts. This allows the inner skin 100 and the outer skin 200 to have good structural strength, and the weight of the top cover 1 can be easily achieved.

Further, the top cover 1 of the vehicle further includes a reinforcing core material (not shown) sandwiched between the inner skin skin 100 and the outer skin 200 and horizontally positioned on the top beam core material The inside of the 400. Specifically, the addition The strong core material can be made of the same material as the top beam core material 400 and the pillar core material 500 and can be integrally formed with the top beam core material 400. The position and number of the reinforcing core material can be according to actual needs and different vehicle requirements for the strength of the top cover. Make adjustments.

A vehicle according to an embodiment of the present invention is described below. A vehicle according to an embodiment of the present invention includes a top cover 1 of a vehicle according to the above-described embodiment of the present invention.

A vehicle according to an embodiment of the present invention has advantages such as light weight, low center of gravity, good maneuverability, low power consumption, and the like by utilizing the top cover 1 of the vehicle according to the above embodiment of the present invention.

A method of manufacturing a top cover of a vehicle according to an embodiment of the present invention is described below. A method of manufacturing a top cover of a vehicle according to an embodiment of the present invention includes the following steps:

Heating to cure the resin matrix;

Cooling demolding forms the roof of the vehicle.

Advantageously, the fibrous web is cut by cutting prior to placement in the outer skin forming mold and the inner skin forming mold.

More advantageously, the column core material and the top beam core material are formed by cutting before being placed in the top cover molding die and a connection insert is provided on the top beam core material and the pillar core material.

Specifically, a connecting bracket is adhered to an inner surface of the top cover.

More specifically, the matrix resin is a thermosetting resin. Specifically, the base resin is composed of one or more of an epoxy resin, an unsaturated polyester resin, a bismaleimide resin, a polyimide resin, a vinyl resin, and a phenol resin.

Other configurations and operations of vehicles in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A top cover for a vehicle, comprising:

An inner skin, the inner skin is a fiber reinforced composite member;

An outer skin, the outer skin being a fiber reinforced composite member and located on an outer side of the inner skin;

a roof reinforcement layer sandwiched between the inner skin and the outer skin;

a top beam core material, the top beam core material being sandwiched between the inner layer skin and the outer layer skin and disposed around the top plate reinforcement layer;

a plurality of column core materials, a plurality of the column core materials being sandwiched between the inner layer skin and the outer layer skin and respectively connected to the top plate reinforcing layer.
The roof cover of a vehicle according to claim 1, wherein at least one of the inner layer skin and the outer layer skin is provided with a top beam core mounting groove and a plurality of pillar core mounting grooves, The top beam core material is fitted in the top beam core material mounting groove, and the plurality of the column core materials are respectively fitted in a plurality of the column core material mounting grooves.
A roof cover for a vehicle according to claim 2, wherein said top beam core mounting groove is provided on said inner layer skin, and said pillar core mounting groove is provided on said outer layer skin.
The roof of a vehicle according to claim 3, wherein said top beam core mounting groove is located at a junction of a top wall and a side wall of said inner skin.
The roof cover of a vehicle according to claim 1, wherein the top beam core material comprises a polyvinyl chloride foam, a polyurethane foam, a polyethylene foam, a polypropylene foam, a carbon foam, a paper honeycomb core material, and an aramid honeycomb core material. One or more of an aluminum honeycomb core material, a polyurethane honeycomb core material, a polyvinyl chloride honeycomb core material, a polypropylene honeycomb core material, a balsa wood, a paulownia wood, a fir, and an oak, each of which is made of a core material From polyvinyl chloride foam, polyurethane foam, polyethylene foam, polypropylene foam, carbon foam, paper honeycomb core material, aramid honeycomb core material, aluminum honeycomb core material, polyurethane honeycomb core material, polyvinyl chloride honeycomb core material, polypropylene One or more of honeycomb core material, balsa wood, paulownia wood, fir and oak.
A roof cover for a vehicle according to claim 1, further comprising a reinforcing core material sandwiched between said inner layer skin and said outer layer skin and horizontally Located on the inner side of the top beam core.
The roof cover of a vehicle according to claim 1, wherein the roof reinforcing layer is a fiber reinforced composite member and the reinforcing fibers are one or more of carbon fiber, glass fiber, aramid fiber and basalt fiber. Composition.
The roof cover of a vehicle according to claim 1, wherein the inner layer skin is a fiber reinforced composite member and the reinforcing fibers are one or more of carbon fiber, glass fiber, aramid fiber and basalt fiber. The outer skin is a fiber reinforced composite member and the reinforcing fibers are carbon fiber, glass fiber, aramid fiber and basalt. One or several of the fibers.
A vehicle characterized by comprising a roof of a vehicle according to any one of claims 1-8.
A method for manufacturing a roof cover of a vehicle, comprising the steps of:

Providing an outer skin forming mold and an inner skin forming mold, respectively, laying the fiber fabric in the outer skin forming mold and the inner skin forming mold;

Laying an adhesive in the outer skin forming mold and the inner skin forming mold, respectively;

Forming the outer skin forming mold and the inner skin forming mold respectively to form an outer skin preform and an inner skin preform;

Providing a top cover molding die, a top reinforcement layer, a top beam core material, and a pillar core material, the outer skin preform, the inner layer skin preform, the top plate reinforcement layer, the top beam core material, and the Column core materials are respectively placed in the top cover forming mold;

Forming the top cover molding mold to inject a resin substrate under a predetermined pressure;

Heating to cure the resin matrix;

Cooling demolding forms the roof of the vehicle.