CN214776189U

CN214776189U - Multi-material new energy passenger car

Info

Publication number: CN214776189U
Application number: CN202121358872.7U
Authority: CN
Inventors: 苏亮; 吴长风; 王文甲; 李普尉; 王道福; 卢琳兆; 叶松奎; 张今敏; 陈龙志; 胡黎明
Original assignee: Xiamen King Long United Automotive Industry Co Ltd
Current assignee: Xiamen King Long United Automotive Industry Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-19
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a multi-component material new energy passenger car, which comprises a top cover, a side wall, a front wall, a rear step and a bottom frame which are mutually assembled; the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the underframe comprises a steel skeleton formed by splicing a plurality of steel pipes, and the rear end of the steel skeleton is provided with a step plate; the top cover comprises a top cover main body, the side wall comprises a side wall main body, and a reinforcing section bar and a side wall skin which are arranged on the side wall main body, and the top cover main body, the side wall main body and the step plate are all integrally made of composite plates. The utility model discloses according to the structural feature and the demand of each large fragment of automobile body, the design principle who adopts many first materials innovatively optimizes the improvement for the automobile body quality has alleviateed more than 25%, has simplified production and mounting process, is favorable to realizing the modular assembly, has prolonged the duration of a journey of new forms of energy passenger train, and is showing lightweight level and the economic benefits who has improved the new forms of energy passenger train.

Description

Multi-material new energy passenger car

Technical Field

The utility model belongs to the technical field of the passenger train technique and specifically relates to a many first materials new forms of energy passenger train.

Background

In recent years, new forms of energy buses mostly adopt the overlap joint mode of traditional passenger cars, and each encloses and forms by rectangular steel pipe welding, and each encloses to splice again and forms the passenger car body, and this kind of passenger car body quality is heavy, the technology is complicated, is unfavorable for the modularization production installation, and is unfavorable for the long distance continuation of the journey of new forms of energy passenger car. In addition, the car body welded by the rectangular steel pipes needs to be provided with a large number of interior trim structures to ensure that the interior of the carriage is smooth and attractive, and the process is time-consuming and labor-consuming.

Disclosure of Invention

The utility model provides a many first materials new forms of energy passenger train, its main aim at alleviates new forms of energy passenger train automobile body weight, simplifies automobile body manufacturing process to the continuation of the journey mileage of extension new forms of energy passenger train.

The utility model adopts the following technical scheme:

a multi-component material new energy passenger car comprises a top cover, a side wall, a front wall, a rear wall and a bottom frame which are mutually assembled; the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the chassis comprises a steel skeleton formed by splicing a plurality of steel pipes, and a step plate is arranged at the rear end of the steel skeleton; the top cap includes the top cap main part, the side wall includes the side wall main part and sets up in the reinforcement section bar and the side wall covering of side wall main part, top cap main part, side wall main part and step board are made by composite board an organic whole.

Further, the composite board is of a three-layer sandwich structure.

Furthermore, the upper surface layer and the lower surface layer of the composite board are formed by alternately laying carbon fibers and glass fibers; the sandwich layer of the composite board is formed by filling rigid foam, PET or aluminum honeycomb plates.

Still further, top cap main part, side wall main part and step board all are equipped with a plurality of and are convenient for install the relevant part bury indisputable, should bury indisputable set up in composite board's upper epidermis is inside.

Further, the side wall skin is made of a thermoplastic composite board.

Further, the thermoplastic composite board is of a three-layer sandwich structure.

Still further, the upper surface layer and the lower surface layer of the thermoplastic composite board are carbon fiber boards, glass fiber boards or aluminum boards, and the sandwich layer of the thermoplastic composite board is a PP honeycomb board.

Further, the top cover also comprises a battery pack assembly arranged on the top cover main body, the battery pack assembly comprises a bracket and a battery pack outer cover, the bracket is fixedly arranged on the top cover main body in a gluing and connecting piece locking mode, and the battery pack outer cover is detachably covered outside the bracket.

Furthermore, the front end of the top cover main body is fixedly provided with an air conditioner base, and the rear end of the top cover main body is provided with an air window communicated with the inside of the vehicle.

Further, the side wall, the top cover and the bottom frame are connected through bolts; the side wall is fixedly connected with the front wall and the rear wall through L-shaped mounting brackets matched with bolts.

Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:

1. the utility model discloses structural feature and demand according to each large fragment of automobile body, the design principle who adopts the multielement material innovatively optimizes the improvement, enclose before the passenger train and enclose the aluminum alloy skeleton that the adoption quality is lighter after with, the chassis adopts the steel skeleton of high strength, the top cap main part, side wall main part and step board then adopt composite board material an organic whole to make, so reduced the figure of spare part by a wide margin, make the automobile body quality alleviate more than 25%, production and mounting process have been simplified, be favorable to realizing modular assembling, the duration of new forms of energy passenger train has been prolonged, and show lightweight level and the economic benefits that has improved the new forms of energy passenger train.

2. The utility model discloses well composite board's three layer construction design has intensity and rigidity concurrently, can satisfy body construction's mechanical properties design and lightweight design to have thermal-insulated, fire-retardant and fire-proof characteristic, make the automobile body really realize the no skeleton design concept of top cap with the side wall. The mould face of composite board is located the automobile body inboard during the installation for roof and side wall surface are smooth and level in the carriage, can directly carry out the processing of spraying paint, replace traditional automobile body interior trim, thereby effectively reduce the quantity of spare part, and be favorable to improving whole pleasing to the eye degree.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the middle bottom frame of the present invention.

Fig. 4 is an exploded schematic view of the middle side wall of the present invention.

Fig. 5 is a partial cross-sectional view of section a-a in fig. 1.

Fig. 6 is a cross-sectional view of section B-B in fig. 3.

Fig. 7 is a schematic cross-sectional view of a thermoplastic composite sheet according to the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.

Referring to fig. 1 to 6, the multi-component new energy passenger car comprises a top cover 1, a side wall 2, a front wall 3, a rear wall 4 and a bottom frame 5 which are mutually assembled; the front wall 3 and the rear wall 4 comprise

aluminum alloy frameworks

31 and 41 formed by splicing a plurality of aluminum alloy pipes; the underframe 5 comprises a steel skeleton 51 formed by splicing a plurality of high-strength rectangular steel pipes, and the rear end of the steel skeleton 51 is provided with a step plate 52; the top cover 1 comprises a top cover main body 11, the side wall 2 comprises a side wall main body 21, and a reinforcing section bar 22 and a side wall skin 23 which are arranged on the side wall main body 21, and the top cover main body 11, the side wall main body 21 and the step plate 52 are all integrally made of composite plates C. The utility model discloses structural feature and demand according to each large fragment of automobile body, the design principle who adopts the multielement material innovatively optimizes the improvement, enclose 3 and enclose 4 aluminum alloy framework that the quality is lighter after and before the passenger train, chassis 5 adopts the steel skeleton of high strength, top cap main part 11, side wall main part 21 and step plate 52 then adopt composite board C integrated into one piece to make, so can make the automobile body quality alleviate more than 25%, production and mounting process have been simplified, be favorable to realizing modular assembling, the duration of new forms of energy passenger train has been prolonged, and show lightweight level and the economic benefits who has improved the new forms of energy passenger train.

Referring to fig. 1, 2, 4 and 5, the composite board C has a three-layer sandwich structure. Specifically, the upper surface layer C1 and the lower surface layer C3 of the composite board C are both formed by alternately laying carbon fibers and glass fibers; the sandwich layer C2 of the composite board is filled by rigid foam, PET or PET honeycomb boards. Preferably, the sandwich layer C2 in this embodiment is made of rigid foam. The three-layer sandwich structure design of the composite board C has both strength and rigidity, can meet the mechanical property design and lightweight design of a vehicle body structure, and has the characteristics of heat insulation, flame retardance and fire resistance, so that the vehicle body really realizes the framework-free design concept of the top cover 1 and the side wall 2. The mould face of composite board C is located the automobile body inboard during the installation for roof and side wall surface are smooth and level in the carriage, can directly carry out the processing of spraying paint, replace traditional automobile body interior trim part, thereby effectively reduce the quantity of spare part, and be favorable to improving whole pleasing to the eye degree.

Referring to fig. 2, 3 and 6, in order to facilitate installation of seats and other components, the step plate 52 is provided with a plurality of buried irons 521 at designated positions, and the buried irons 521 are disposed inside the upper surface C1 of the composite panel C, whereby structural features and advantages of the composite panel C can be completely maintained. In addition, the top cover main body 11 and the inner side of the side wall main body 21 are also provided with similar iron embedding structures.

Referring to fig. 4 and 7, the side wall skins 23 are made of a thermoplastic composite board D having a three-layer sandwich structure, in which the upper skin layer D1 and the lower skin layer D3 are carbon fiber boards, glass fiber boards, or aluminum boards, and the sandwich layer D2 is a PP honeycomb board. During installation, the side wall skin 23 is fixed on the surface of the reinforcing section bar 22 through glue adhesion, and the reinforcing section bar 22 is fixed on the surface of the side wall main body 21 through riveting and glue adhesion. In order to enhance the side wall bearing capacity and the function of adhering the side wall skin 23, the reinforced section bar 22 adopts a structure design of a Chinese character 'ji' shape and is made of an aluminum alloy material.

Referring to fig. 1, 2 and 4, specifically, the reinforcing section bar 22 of the left side wall of the vehicle body further comprises an upper shaping beam, a side longitudinal beam, a window upright post, a waist beam, a wheel arch bar, a longitudinal reinforcing beam, a skirt edge beam and the like; the reinforced section bar of the right side wall of the automobile body further comprises a rear door upright post, an upper shaping beam, a side longitudinal beam, a window upright post, a front door upright post, a waist beam, a wheel opening arc rod, a longitudinal reinforcing beam, a skirt edge beam and the like.

Referring to fig. 1 and 2, the top cover 1 further includes a battery pack assembly 12 disposed on the top cover main body 11, the battery pack assembly 12 includes an aluminum alloy battery bracket 121 and a battery pack housing 122, the bracket 121 is fixedly disposed on the top cover main body 11 by gluing and fastening with a connector, and the battery pack housing 122 is detachably covered outside the bracket 121. In addition, the top cover main body 11 is provided at a front end thereof with an air conditioning base 13 and at a rear end thereof with an air window 14 communicating with the inside of the vehicle. Preferably, the bracket 121 is made of an aluminum alloy.

Referring to fig. 1, 2 and 5, each large assembly of the vehicle body is mainly connected by bolts, riveting and bonding; specifically, the side body main body 21 is connected with the top cover main body 11 through a bolt; the edge of the steel skeleton 51 of the underframe 5 is provided with 9-shaped square steel, perforated square steel or an L-shaped plate, and the square steel or the L-shaped plate is matched and connected with the side body main body 21 through bolts; and the side wall main body 21 is fixedly connected with the front wall 3 and the rear wall 4 through L-shaped mounting brackets and matched bolts. Preferably, the mounting bracket is an L-shaped ferrous profile. Therefore, the utility model discloses simplify the concatenation technology of each large fragment of automobile body, be favorable to quick assembly disassembly, the transportation of being convenient for to the duration of new forms of energy passenger train has been prolonged.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A multi-component material new energy passenger car comprises a top cover, a side wall, a front wall, a rear wall and a bottom frame which are mutually assembled; the method is characterized in that: the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the chassis comprises a steel skeleton formed by splicing a plurality of steel pipes, and a step plate is arranged at the rear end of the steel skeleton; the top cap includes the top cap main part, the side wall includes the side wall main part and sets up in the reinforcement section bar and the side wall covering of side wall main part, top cap main part, side wall main part and step board are made by composite board an organic whole.

2. The multi-material new energy passenger car as claimed in claim 1, wherein: the composite board is of a three-layer sandwich structure.

3. The multi-material new energy passenger car as claimed in claim 2, wherein: the upper surface layer and the lower surface layer of the composite board are formed by alternately laying carbon fibers and glass fibers; the sandwich layer of the composite board is formed by filling rigid foam, PET or aluminum honeycomb plates.

4. The multi-material new energy passenger car as claimed in claim 3, wherein: the top cover main body, the side wall main body and the step plate are all provided with a plurality of pieces of iron convenient for installation of relevant parts, and the iron is arranged inside the upper surface layer of the composite board.

5. The multi-material new energy passenger car as claimed in claim 1, wherein: the side wall skin is made of a thermoplastic composite board.

6. The multi-material new energy passenger car as claimed in claim 5, wherein: the thermoplastic composite board is of a three-layer sandwich structure.

7. The multi-material new energy passenger car as claimed in claim 6, wherein: the upper surface layer and the lower surface layer of the thermoplastic composite board are carbon fiber boards, glass fiber boards or aluminum boards, and the sandwich layer of the thermoplastic composite board is a PP honeycomb board.

8. The multi-material new energy passenger car as claimed in claim 1, wherein: the top cover further comprises a battery pack assembly arranged on the top cover main body, the battery pack assembly comprises a bracket and a battery pack outer cover, the bracket is fixedly arranged on the top cover main body in a gluing and connecting piece locking mode, and the battery pack outer cover is detachably covered outside the bracket.

9. The multi-material new energy passenger car as claimed in claim 8, wherein: the front end of the top cover main body is fixedly provided with an air conditioner base, and the rear end of the top cover main body is provided with an air window communicated with the inside of the vehicle.

10. The multi-material new energy passenger car as claimed in claim 1, wherein: the side wall, the top cover and the bottom frame are connected through bolts; the side wall is fixedly connected with the front wall and the rear wall through L-shaped mounting brackets matched with bolts.