CN217396743U

CN217396743U - Electric vehicle frame

Info

Publication number: CN217396743U
Application number: CN202221579965.7U
Authority: CN
Inventors: 乔会涛
Original assignee: Xuzhou Rongteng Locomotive Co ltd
Current assignee: Xuzhou Rongteng Locomotive Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-09
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an electric vehicle frame, belonging to the technical field of electric vehicles and comprising a body; the body comprises a frame body which is of an integrated structure; the edge of the body is provided with a folded edge structure, and the folded edge is of a non-closed structure; the body is provided with a plurality of cross beams, and two ends of each cross beam penetrate through the two oppositely distributed folded edges respectively and extend out of the body; wherein the two cross beams are connected with the rear axle. The utility model discloses be different from current mainstream frame, adopt the support body structure of integral type for the frame forms monolithic structure, has reduced the process and the more fixed point of equipment.

Description

Electric vehicle frame

Technical Field

The utility model relates to an electric motor car technical field specifically is an electric motor car frame.

Background

The existing frame is generally of an assembled structure and comprises components such as a steel plate, a square tube and a reinforcing tube, then a frame body is formed in an assembling and welding mode, machining procedures can be increased to a certain degree in the machining process of the frame of the structure, meanwhile, more welding points or fixing points can exist, and particularly, after one end of the frame is actually used, the condition that partial welding points are disconnected or the fixing points are loosened can occur on the frame body.

SUMMERY OF THE UTILITY MODEL

The technique that exists is not enough to the aforesaid, the utility model aims at providing an electric motor car frame, and it is different from current mainstream frame, adopts the support body structure of integral type for the frame forms monolithic structure, has reduced the process and the more fixed point of equipment.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an electric vehicle frame, which comprises a body;

the body comprises a frame body which is of an integrated structure;

the edge of the body is provided with a folded edge structure, and the folded edge is of a non-closed structure;

the body is provided with a plurality of cross beams, and two ends of each cross beam penetrate through the two oppositely distributed folded edges respectively and extend out of the body;

wherein the two cross beams are connected with the rear axle.

Preferably, the body comprises two frame bodies fixed together, namely a front frame and a rear frame, and the cross beam is fixed on the rear frame.

Preferably, the folded edge is L-shaped to form a non-closed structure;

the beam is fixedly connected with the folded edge.

Preferably, the ends of the two cross beams connected with the rear axle are both fixed with fixing seats, and the fixing seats are connected with the suspension on the rear axle.

Preferably, the fixed seat is provided with a first hole fixed with the beam and a second hole connected with the suspension, and the suspension is rotatably connected with the fixed seat.

Preferably, the crossbeam is the pipe, be provided with a plurality of fixed points between the outer wall of crossbeam and the body.

Preferably, the fixing point is a welding point, an anchor point or a bolt fixing point.

Preferably, a bent beam positioned at two sides of the body is fixedly arranged between the front frame and the rear frame;

one end of the bent beam extends into the folded edge of the front frame and is fixedly connected with the folded edge;

the other end of the camber beam extends to one of the cross beams and is fixedly connected with the cross beam.

Preferably, a plurality of transverse reinforcing pipes are arranged on the front frame and the rear frame, and two ends of each transverse reinforcing pipe extend into the folded edge and are fixed with the folded edge.

Preferably, a main beam is arranged on the front frame;

one end of the main beam extends to the bottom of the front frame and is fixed with a horizontal reinforcing pipe on the front frame;

the other end of the main beam extends to the upper part of the front frame and is used for installing a handlebar, and a reinforcing vertical pipe fixed with the front frame is arranged.

The beneficial effects of the utility model reside in that:

the utility model utilizes the structure of the frame body integrated type, cancels the operation of adopting more parts for welding or fixing in other modes in the prior art, and reduces the subsequent assembly process and the fixing point;

adopt a board to process simultaneously and form the support body to edge has the hem structure, has formed additional strengthening, has guaranteed the intensity of support body, and when the structure of buckling that this hem itself had can increase intensity, it is integrative with whole board, and the contact is more comprehensive, can further guarantee intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a first perspective view of a vehicle frame;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a second perspective view of the frame;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is a sectional view taken along the line a-a in fig. 2.

Description of reference numerals:

1-rear frame, 11-folded edge, 2-front frame, 3-cross beam, 31-fixed seat, 4-main beam, 41-reinforced vertical tube, 5-bent beam and 6-reinforced horizontal tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1, the utility model provides an electric vehicle frame, which mainly comprises a body formed by two frame bodies, wherein the frame bodies comprise a front frame 2 and a rear frame 1, the front frame 2 is mainly used for installing structures such as handlebars and a saddle, and the rear frame 1 is mainly installed with structures such as a rear axle, a battery and a carriage;

specifically, the frame body is an integrated structure, the edge of the frame body is provided with a hem 11 structure, the hem 11 is a non-closed structure (the closed structure means that the hem 11 does not form a complete circle of bending path, and if the hem 11 is on a flat plate, the far end of the hem 11 is turned back to contact the flat plate and is regarded as closed), the specific hem 11 is an L-shaped structure, and the far end of the hem 11 does not contact the frame body, as shown in fig. 4 and 6.

With reference to fig. 1, the front frame 2 is fixedly connected with the rear frame 1, and two curved beams 5 are further disposed on two sides of the front frame, wherein the curved beams 5 are used for reinforcing connection and providing support for placing batteries; one end of the bent beam 5 extends into the folded edge 11 of the front frame 2 and is fixedly connected with the folded edge 11; the other end of the bending beam 5 extends to one of the cross beams 3 described below and is fixedly connected with the cross beam 3.

Still be equipped with a plurality of crossbeam 3 on the after-poppet 1, the both ends of crossbeam run through two relative distribution's hem 11 respectively, and extend to outside the body, crossbeam 3 is used for reinforcing structural strength on the one hand, on the other hand is used for installing the rear axle, specific crossbeam 3 has set up two, it passes hem 11 and is fixed mutually with hem 11, and the tip at crossbeam 3 has set up fixing base 31, fixing base 31 is connected with the suspension on the rear axle, be equipped with the second hole that is connected with the first hole of crossbeam 3 looks fixed and with the suspension on fixing base 31 promptly, the suspension rotates with fixing base 31 to be connected, this suspension is for being used in the leaf spring on the electric motor car or other structures that have similar function, the both ends of leaf spring are connected with corresponding fixing base 31.

Further, crossbeam 3 has adopted the pipe structure, is provided with a plurality of fixed points between crossbeam 3's outer wall and the body, as shown in fig. 4 promptly, the dull and stereotyped and the crossbeam 3 laminating between two upper and lower hem 11 of after-poppet 1 in the picture to set up a plurality of fixed points, this fixed point can be solder joint or anchor point, also can be the bolt fastening point certainly, specific quantity can set up about 3.

As shown in fig. 3 and 4, in order to further strengthen the structure, a plurality of horizontal reinforcing pipes 6 are arranged on the front frame 2 and the rear frame 1, and two ends of each horizontal reinforcing pipe 6 extend into the folded edges 11 respectively and are fixed with the folded edges 11; the main beam 4 is arranged on the front frame 2 and used for mounting a handlebar, and one end of the main beam 4 extends to the bottom of the front frame 2 and is fixed with a horizontal reinforcing pipe 6 on the front frame 2; the other end of the main beam 4 extends to the upper part of the front frame 2 for mounting a handlebar, and is provided with a reinforced vertical tube 41 fixed with the front frame 2.

When the frame is used, the front frame 2 and the rear frame 1 are both processed by a whole steel plate, the edge of the front frame 2 and the edge of the rear frame 1 are processed to form the folded edge 11, then the front frame 2 and the rear frame 1 are combined together to form the body of the frame of the embodiment, the front frame 2 and the rear frame 1 are integrated to bear when the finally formed body bears, the bearing performance is better, and the frame can be proved to have better structural strength through subsequent vibration experiment results of the frame;

it should be noted that, the above-mentioned vibration experiment is performed by placing the vehicle frame on the vibration platform in the prior art, and the main parameter data is to check the overall structure of the vehicle frame after a certain vibration frequency, if there is a loose or cracked joint, there is a deformation of the structure, etc., and the detailed contents of the experiment are not described in detail here.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric vehicle frame is characterized by comprising a body;

the body comprises a frame body which is of an integrated structure;

wherein the two cross beams are connected with the rear axle.

2. An electric vehicle frame as claimed in claim 1, wherein said body comprises two frame bodies secured together, a front frame and a rear frame, respectively, said cross member being secured to said rear frame.

3. An electric vehicle frame as claimed in claim 1, wherein the flange is L-shaped to form an open structure;

the beam is fixedly connected with the folded edge.

4. An electric vehicle frame as claimed in claim 1, wherein the ends of the two cross members connected to the rear axle are each fixed with a fixing base, said fixing base being connected to a suspension on the rear axle.

5. An electric vehicle frame as defined in claim 4, wherein said mounting base has a first hole for attachment to said cross member and a second hole for attachment to said suspension, said suspension being pivotally connected to said mounting base.

6. An electric vehicle frame as claimed in claim 1, wherein the cross member is a circular tube, and a plurality of fixing points are provided between the outer wall of the cross member and the body.

7. An electric vehicle frame as claimed in claim 6, wherein the fixing points are weld points, anchor points or bolt fixing points.

8. The frame of an electric vehicle as claimed in claim 2, wherein a camber beam is fixedly arranged between the front frame and the rear frame and positioned at two sides of the body;

9. The frame of an electric vehicle as claimed in claim 2, wherein the front frame and the rear frame are respectively provided with a plurality of transverse reinforcing pipes, and two ends of each transverse reinforcing pipe respectively extend into and are fixed with the folded edges.

10. An electric vehicle frame as claimed in claim 9, wherein the front frame is provided with a main beam;

one end of the main beam extends to the bottom of the front frame and is fixed with a reinforcing transverse pipe positioned on the front frame;

the other end of the main beam extends to the upper part of the front frame and is used for mounting a handlebar, and a reinforced vertical pipe fixed with the front frame is arranged.