CN201283906Y

CN201283906Y - Frame structure of electric sedan car

Info

Publication number: CN201283906Y
Application number: CNU2008201215161U
Authority: CN
Inventors: 林志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-15
Filing date: 2008-07-15
Publication date: 2009-08-05
Anticipated expiration: 2018-07-15

Abstract

The utility model relates to an electrical car, particularly to a frame structure thereof that consists of left and right upper side beams, left and right lower side beams, left and right front upright poles, left and right rear upright poles distributed symmetrically according to the mid vertical surface axial to the car body axis, and a top beam welded between the left and right upper side beams, where the upper side beam and lower side beam are designed in arc shapes and bent relatively, the front ends thereof are welded and connected by the front upright pole, and the rear sections thereof are welded and connected by the rear upright pole. According to the utility model, the frame is made from the arc upper side beam, the lower side beam and the front upright pole, the rear upright pole and the top beam welded, with the beams, the poles and the levers thereof made from high-strength aluminum alloy special-shaped pipe shaped materials, with simple structure, reduces vehicle body weight, and reduced manufacturing cost. The electrical vehicle body made from the frame is provided with performances such as bending and twisting rigidities of the vehicle body structure, the natural modling state, fatigue life, etc. accorded with associated standards, which creates conditions for popularization of micro-electrical cars.

Description

The car mount structure of electrocar

Technical field:

The utility model relates to electronlmobil, particularly the design of electrocar car mount structure.

Background technology:

Known car body structure is to be welded by hundreds of shapes and steel plateelement not of uniform size, the body structure quality accounts for about 40% of car total mass, and comprising from heavy and light, power consumptive province, price lowly as the important indicator of the miniature electric car of the environmental protection vehicle, therefore known car body structure incompatibility miniature electric car uses.Chinese patent 200720083869.2 disclosed a kind of electrocar body structures, be welded into the hybrid vehicle frame by dozens of steel pipe nearly, it is still bigger than normal that the deadweight of car frame accounts for the ratio of car total mass, wastes the limited on-vehicle battery energy, one time the driving stroke is short, the cost height.

Summary of the invention:

The purpose of this utility model is at above-mentioned technical matters, design a kind of simple in structure, from the car mount structure of heavy and light, electrocar that price is low.

The utility model is achieved in that a kind of car mount structure of electrocar, it is characterized in that the car frame mainly comprise the left and right sides roof rail that is symmetrically distributed with the axial middle vertical plane of vehicle body, about side bar, left and right sides A-pillar, left and right sides rear column down, the back timber weldering is connected between the roof rail of the left and right sides, wherein roof rail and following side bar are respectively made arc, both are crooked relatively, the front end of roof rail and following side bar is connected by the A-pillar weldering, and back segment is connected by the rear column weldering.

The rear end of described side bar down is connected in the position of roof rail back segment near the rear end by the rear column weldering.

The front end of described side bar down is connected in the position of roof rail leading portion near front end by the preceding edge weldering of doorframe, and the area that the preceding edge of doorframe and roof rail, A-pillar surround is hit thick stick by anti-side between the steel plate piece of the left and right sides and connected by aluminum alloy plate sealing; The framework that the preceding edge of doorframe and roof rail, following side bar, rear column surround constitutes doorframe.

Described roof rail rear end weldering is connected with the after-frame of being made up of back back timber, the back rest, left and right sides after-frame post, about the bottom of after-frame is passed through the back bottom girder with about down side bar the middle part weldering even.

Center at A-pillar connects forward

The shape front-axle beam.

Described beam, post, thick stick are made by high strength aluminum alloy special pipe section bar, wherein roof rail, down side bar and the anti-side cross section of hitting thick stick is basically triangle.

The utility model is linked to be the car frame by arc roof rail, following side bar and A-pillar, rear column, back timber weldering, and the beam of car frame, post, thick stick are made by high strength aluminum alloy special pipe section bar, and be simple in structure, and the vehicle body weight reduction has reduced productive costs.Utilize performance figure such as the bending of every performance such as body structure of the electrocar vehicle body that this car frame constitutes and torsional stiffness, natural mode, fatigue life to meet related standards, be the condition created of promoting the use of of miniature electric car.

Description of drawings:

Among the figure: 1, anti-side is hit thick stick, and 2, roof rail, 3, back timber, 4, rear column, 5, the back back timber, 6, the after-frame post, 7, the back rest, 8, the back bottom girder, 9, side bar down, 10, A-pillar, 11, front-axle beam, 12, the preceding edge of doorframe, 13, the aluminum alloy plate.

Fig. 1 is an electrocar schematic side view of utilizing the utility model embodiment,

Fig. 2 is the shape figure of the utility model car frame,

Fig. 3 is the A-A section drawing among Fig. 2.

The specific embodiment:

With reference to Fig. 1, Fig. 2, the car frame of electrocar mainly comprise the left and right sides roof rail 2 that is symmetrically distributed with the axial middle vertical plane of vehicle body, about side bar 9, left and right sides A-pillar 10, left and right sides rear column 4 down, wherein roof rail 2 and following side bar 9 are respectively made arc, both are crooked relatively, back timber 6 welderings are connected between the middle part of left and right sides roof rail 2, back back timber 5 welderings are connected between the rear end of roof rail 2, the front end of roof rail and following side bar is connected by A-pillar 10 welderings, and the rear end of following side bar 9 is connected in the position of roof rail 2 back segments near the rear end by rear column 4 welderings.The after-frame that back back timber 5, the back rest 7, left and right sides after-frame post 6 formed constitutes the back doorframe, about its bottom is passed through back bottom girder 8 with about down the middle part weldering of side bar 9 connect.Shaft weldering at A-pillar 10 connects forward

Shape front-axle beam 11.Car door is installed in relevant position at the car frame, can constitute the vehicle body of electrocar.

The front end of following side bar 9 is connected in the position of roof rail 2 leading portions near front end by preceding edge 12 welderings of doorframe, the area that preceding edge 12 and roof rail 2, the A-pillar 10 of doorframe surrounds is hit thick stick 1 by anti-side between the left and right sides aluminum alloy plate 13 and is connected by aluminum alloy plate 13 sealings; The preceding edge 12 of doorframe constitutes doorframe with the framework that roof rail 2, following side bar 9, rear column 4 surround, and is used for the installation side car door.

Each above-mentioned beam, post, thick stick are made by high strength aluminum alloy special pipe section bar, the special tubes and pipes of aluminium alloy section bar mainly contains two kinds of square-section and triangular-sections basically, wherein roof rail 2, down side bar 9 and the anti-side cross section of hitting thick stick 1 is basically triangle, so-called triangle basically has two approximate right angle limits, two approximate right angle limits one respectively are shaped on and are used for and other member bonded assembly convex

tendons

22,23, leg-of-mutton another long limit 21 is camber line, as shown in Figure 3.

Claims

1, a kind of car mount structure of electrocar, it is characterized in that the car frame mainly comprise the left and right sides roof rail (2) that is symmetrically distributed with the axial middle vertical plane of vehicle body, about side bar (9), left and right sides A-pillar (10), left and right sides rear column (4) down, back timber (3) weldering is connected between the left and right sides roof rail (2), wherein roof rail and following side bar are respectively made arc, both are crooked relatively, the front end of roof rail (2) and following side bar (9) is connected by A-pillar (10) weldering, and back segment is connected by rear column (4) weldering.

2, the car mount structure of electrocar according to claim 1 is characterized in that the rear end of side bar (9) is connected in the position of roof rail (2) back segment near the rear end by rear column (4) weldering down.

3, the car mount structure of electrocar according to claim 1, the weldering of the preceding edge (12) of the front end of side bar (9) and doorframe connects under it is characterized in that, the upper end weldering of the preceding edge (12) of doorframe is connected in the position of roof rail leading portion near front end, the area that the preceding edge (12) of doorframe and roof rail (2), A-pillar (10) surround is hit thick stick (1) by anti-side between the left and right sides aluminum alloy plate (13) and is connected by aluminum alloy plate (13) sealing; The preceding edge (12) of doorframe constitutes doorframe with the framework that roof rail (2), following side bar (9), rear column (4) surround.

4, the car mount structure of electrocar according to claim 1, it is characterized in that roof rail (2) rear end weldering is connected with the after-frame of being made up of back back timber (5), the back rest (7), left and right sides after-frame post (6), about the bottom of after-frame is passed through back bottom girder (8) with about down side bar (9) the middle part weldering even.

5, the car mount structure of electrocar according to claim 1 is characterized in that connecting front-axle beam (11) forward at the shaft of A-pillar (10).

6,, it is characterized in that above-mentioned beam, post, thick stick make by high strength aluminum alloy special pipe section bar according to the car mount structure of the described electrocar of the arbitrary claim of claim 1-5.

7, the car mount structure of electrocar according to claim 6 is characterized in that roof rail (2), the cross section of descending side bar (9) and anti-side to hit thick stick (1) are triangle basically.