CN216508831U

CN216508831U - High-strength composite electric motorcycle frame

Info

Publication number: CN216508831U
Application number: CN202220048280.3U
Authority: CN
Inventors: 陈建
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-05-13
Anticipated expiration: 2032-01-10

Abstract

The utility model provides a high-strength composite electric motorcycle frame, and belongs to the technical field of electric motorcycle frames. The bearing beam of the frame of the electric motorcycle solves the problems that one end, close to the fixed beam, of the bearing beam of the frame of the existing electric motorcycle is easy to deform and poor in structural stability due to the influence of gravity. This compound electric motorcycle car frame of high strength, including the main skeleton of left and right both sides symmetric distribution, two main skeletons tilt up the bending forward, the rear end of two main skeletons has the end skeleton of fixing forward, have between the front end of this end skeleton and two main skeletons and form the preceding skeleton that the right angle supported with the end skeleton, it is responsible for to link firmly the tap between preceding skeleton and two main skeletons, have the fixed seatpad skeleton of tilt up backward on two main skeletons, be provided with the three-dimensional strutting arrangement of triangle between seatpad skeleton and two main skeletons. The seat cushion framework has the advantages of good bearing capacity, difficult deformation, high mechanical strength, strong impact resistance and long service life.

Description

High-strength composite electric motorcycle frame

Technical Field

The utility model belongs to the technical field of electric motorcycle frames, and relates to a high-strength composite electric motorcycle frame.

Background

The electric motorcycle is one kind of motorcycle, drives the motor with the battery and goes, and it has inherited the environmental protection of electric motor car, maintains the advantage that the cost is low and the moment of torsion is big.

The bearing capacity of the structure of the existing electric motorcycle frame is not reasonable, and for example, the Chinese patent numbers are as follows: "202120314555.9", the authorization notice number is: CN214729382U discloses an electric motorcycle frame, which comprises a steering pipe, a support beam, a fixed beam, a bearing beam, an upright post and a middle shaft; one end of the supporting beam and one end of the fixed beam are respectively connected with the steering pipe, the other end of the supporting beam is connected with the upright post, the bearing beam is connected with the fixed beam, and the upright post is connected with the middle shaft; the supporting beam, the fixed beam and the upright column are respectively provided with a left side and a right side, and are symmetrically arranged relative to the central line of the frame, wherein a battery placing bin with an upward opening is arranged between the left supporting beam and the right supporting beam and between the left fixed beam and the right fixed beam.

In the structure, the support strength formed by the structural connection of the fixed beam and the bearing beam is low, one end of the bearing beam, which is close to the fixed beam, is easy to deform under the influence of gravity, the structural stability is poor, and the service life is short.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a high-strength composite electric motorcycle frame which is reasonable in structural design, high in structural stability, not easy to deform and long in service life.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a compound electric motorcycle car frame of high strength, includes left and right both sides symmetric distribution's main skeleton, two main skeletons tilt up the bending forward, and the rear end of two main skeletons has the end skeleton of fixing forward, has between the front end of this end skeleton and two main skeletons and forms the preceding skeleton that the right angle supported with the end skeleton, preceding skeleton and two main skeletons between link firmly the leading person in charge of, its characterized in that, two main skeletons on have the fixed seatpad skeleton of tilt up backward, seatpad skeleton and two main skeletons between be provided with the three-dimensional strutting arrangement of triangle.

This compound electric motorcycle car frame of high strength mainly sets up three-dimensional strutting arrangement of triangle between seatpad skeleton and two main skeletons, can effectively improve the bearing atress of seatpad skeleton through three-dimensional strutting arrangement of triangle, and this seatpad skeleton is difficult for deformation, and the mechanical strength of support is higher, long service life.

In the above-mentioned compound electric motorcycle car frame of high strength, the seatpad skeleton include the limit pipe of left and right both sides symmetric distribution, the front end between the two limit pipes links firmly the front seat backing plate through the welded mode, the rear end between the two limit pipes links firmly the back seat backing plate through the welded mode. During actual manufacturing, a plurality of transverse connecting plates are fixedly connected between the two side pipes between the front seat cushion plate and the rear seat cushion plate in a welding mode, so that the purpose of setting is to effectively improve the mechanical strength of the seat cushion framework, and the seat cushion framework is stable in structure and not easy to deform.

In foretell compound electric motorcycle car frame of high strength, the three-dimensional strutting arrangement of triangle including the stay tube that the slope set up, have the bottom tube of horizontal fixed setting between two main frame, the lower extreme of this stay tube is fixed on the bottom tube, the upper end backward tilt bending type that makes progress of this stay tube becomes the linkage segment, the linkage segment of this stay tube links firmly on the lower diapire of the limit pipe of the seatpad skeleton that corresponds through the welded mode. The rear end of the supporting tube is bent to form a connecting section, the connecting section is arranged on the lower bottom wall of the side tube of the seat cushion framework in parallel, the supporting strength of the side tube of the seat cushion framework can be effectively improved, and the structural stability is high.

In the above high-strength composite electric motorcycle frame, a reinforcing pipe is further fixedly arranged between the two main frameworks above the bottom pipe, the front ends of the pipes on the two sides of the seat cushion framework are bent downwards to form a heightening bending section, and the front end part of the heightening bending section of the seat cushion framework is fixed on the reinforcing pipe in a welding manner and forms a triangular three-dimensional supporting area with the supporting pipe. The purpose that sets up like this can effectively increase the stay tube formation triangular support district that seatpad skeleton and correspondence, can effectively improve the stability of the structure of the bearing of seatpad skeleton, and structural strength is high, and the bearing capacity is good.

In the above high-strength composite electric motorcycle frame, the reinforcing pipes and the bottom pipe are distributed at intervals in parallel, the bottom pipe is also provided with an extension seat which is vertically fixed, and the rear end of the bottom framework is fixed on the extension seat in a welding manner. The purpose that sets up like this can effectively improve the joint strength between main skeleton and the bottom tube, and structural stability is high.

In the above-mentioned compound electric motorcycle car frame of high strength, the extension seat include left and right both sides symmetry parallel distribution's extension sideboard, link firmly the extension mainboard between two extension sideboard, the upper end cover of two extension sideboard is established at the middle part position of bottom tube and is linked firmly through the welded mode, the upper end of this extension mainboard extends to the outer wall of bottom tube and links firmly through the welded mode, the lower extreme of two extension sideboard is worn to be equipped with the main shaft that is used for assembling the back chain stay, the lower extreme of this extension mainboard extends to the outer wall of main shaft and links firmly through the welded mode. The purpose that sets up like this can effectively improve the mechanical strength who extends the seat, and anti deformability is stronger, and compressive capacity is strong, and structural stability is good.

In the above-mentioned compound electric motorcycle car frame of high strength, preceding skeleton be the rectangle shape, be connected with the baffle through the welded mode on this preceding skeleton, have the bar clearing hole on this baffle. The baffle can improve the mechanical strength of the front framework and has stable structure.

In the above-mentioned compound electric motorcycle car frame of high strength, the chassis include the floorbar of left and right bilateral symmetry distribution, link firmly the connecting seat that the upwards arch set up through the welded mode between two floorbars. The purpose of this is: so that the strength of the bottom framework is higher, the impact resistance is strong, and the mechanical structure is stable.

Compared with the prior art, the high-strength composite electric motorcycle frame has the advantages that: structural design is reasonable, and structural stability is high, and this seatpad skeleton supports through the three-dimensional strutting arrangement of triangle and links firmly, causes seatpad skeleton bearing capacity better, and the seatpad skeleton is difficult for deformation, and mechanical strength is high, and shock resistance is strong, long service life.

Drawings

Fig. 1 is a schematic perspective view of the frame of the high-strength composite electric motorcycle.

In the figure, 1, a main framework; 2. a bottom skeleton; 3. a front skeleton; 4. a main faucet pipe; 5. a side tube; 6. a front seat cushion plate; 7. a rear seat cushion plate; 8. supporting a tube; 9. a bottom tube; 10. a connecting section; 11. a reinforcement tube; 12. heightening and bending sections; 13. an extension side plate; 14. extending the main board; 15. a main shaft; 16. a baffle plate; 17. a bottom beam; 18. a connecting seat.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the high-strength composite electric motorcycle frame mainly comprises main frameworks 1 which are symmetrically distributed on the left side and the right side, wherein the two main frameworks 1 are obliquely bent forwards and upwards, the rear ends of the two main frameworks 1 are provided with bottom frameworks 2 fixed forwards, a front framework 3 which forms a right-angle support with the bottom frameworks 2 is arranged between the bottom frameworks 2 and the front ends of the two main frameworks 1, a main faucet pipe 4 is fixedly connected between the front framework 3 and the two main frameworks 1, and the two main frameworks 1 are provided with cushion frameworks which are obliquely fixed backwards and upwards; specifically, the method comprises the following steps: the seat cushion framework mainly comprises side pipes 5 which are symmetrically distributed on the left side and the right side, wherein a front seat cushion plate 6 is fixedly connected to the front ends between the side pipes 5 in a welding mode, and a rear seat cushion plate 7 is fixedly connected to the rear ends between the side pipes 5 in a welding mode.

In actual manufacturing, a triangular three-dimensional supporting device is arranged between the seat cushion framework and the two main frameworks 1; the specific implementation mode of the triangular three-dimensional supporting device is as follows: the seat cushion mainly comprises supporting tubes 8 which are obliquely arranged, a bottom tube 9 which is transversely fixedly arranged is arranged between the two main frameworks 1, the lower ends of the supporting tubes 8 are fixed on the bottom tube 9, the upper ends of the supporting tubes 8 are obliquely bent backwards and upwards to form connecting sections 10, and the connecting sections 10 of the supporting tubes 8 are fixedly connected to the lower bottom walls of the side tubes 5 of the corresponding seat cushion frameworks in a welding mode; in practical application, a reinforcing pipe 11 is fixedly arranged between the two main frameworks 1 above the bottom pipe 9, the front ends of the two side pipes 5 of the seat cushion framework are bent downwards to form a heightening bending section 12, and the front end part of the heightening bending section 12 of the seat cushion framework is fixed on the reinforcing pipe 11 in a welding mode and forms a triangular three-dimensional supporting area with the supporting pipe 8; this reinforced pipe 11 and the parallel interval distribution of bottom tube 9 still have on the bottom tube 9 and be vertical fixed extension seat, and the rear end of end skeleton 2 is fixed on extending the seat through the welded mode.

During actual manufacturing, the specific implementation structure of the extension seat is as follows: mainly by the left and right both sides symmetry parallel distribution extend sideboard 13 and constitute, link firmly extension mainboard 14 between two extension sideboard 13, the upper end cover of two extension sideboard 13 is established at the middle part position of bottom tube 9 and is linked firmly through the welded mode, the upper end of this extension mainboard 14 extends to the outer wall of bottom tube 9 and links firmly through the welded mode, the lower extreme of two extension sideboard 13 is worn to be equipped with the main shaft 15 that is used for assembling the back chain stay, the lower extreme of this extension mainboard 14 extends to the outer wall of main shaft 15 and links firmly through the welded mode.

In actual manufacturing, the front framework 3 is rectangular, a baffle 16 is fixedly connected to the front framework 3 through welding, and the baffle 16 is provided with a strip-shaped through hole.

During actual manufacturing, the bottom framework 2 mainly comprises bottom beams 17 which are symmetrically distributed on the left side and the right side, and a connecting seat 18 which is convexly arranged upwards is fixedly connected between the two bottom beams 17 in a welding mode.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a compound electric motorcycle car frame of high strength, includes left and right both sides symmetric distribution's main skeleton (1), two main skeleton (1) tilt up bending forward, the rear end of two main skeleton (1) has preceding fixed end skeleton (2), have between the front end of this end skeleton (2) and two main skeleton (1) and form preceding skeleton (3) that the right angle supported with end skeleton (2), preceding skeleton (3) and two main skeleton (1) between link firmly tap person in charge (4), its characterized in that, two main skeleton (1) on have the fixed seatpad skeleton of backward tilt up, seatpad skeleton and two main skeleton (1) between be provided with three-dimensional strutting arrangement of triangle.

2. The high-strength composite electric motorcycle frame as claimed in claim 1, wherein the seat cushion frame comprises side pipes (5) symmetrically distributed on the left and right sides, a front seat cushion plate (6) is fixedly connected to the front end between the side pipes (5) in a welding manner, and a rear seat cushion plate (7) is fixedly connected to the rear end between the side pipes (5) in a welding manner.

3. The high-strength composite electric motorcycle frame as claimed in claim 2, wherein the triangular three-dimensional support device comprises a support tube (8) which is obliquely arranged, a bottom tube (9) which is transversely and fixedly arranged is arranged between the two main frameworks (1), the lower end of the support tube (8) is fixed on the bottom tube (9), the upper end of the support tube (8) is obliquely bent backwards and upwards to form a connecting section (10), and the connecting section (10) of the support tube (8) is fixedly connected to the lower bottom wall of the side tube (5) of the corresponding seat cushion framework in a welding manner.

4. The high-strength composite electric motorcycle frame as claimed in claim 3, wherein a reinforcing pipe (11) is further fixedly arranged between the two main frames (1) above the bottom pipe (9), the front ends of the two side pipes (5) of the seat cushion frame are bent downwards to form a heightening bending section (12), and the front end part of the heightening bending section (12) of the seat cushion frame is fixed on the reinforcing pipe (11) in a welding manner and forms a triangular three-dimensional supporting area with the supporting pipe (8).

5. The high-strength composite electric motorcycle frame as claimed in claim 4, wherein the reinforcing tubes (11) and the bottom tube (9) are distributed in parallel at intervals, the bottom tube (9) is further provided with an extension seat which is vertically fixed, and the rear end of the bottom framework (2) is fixed on the extension seat in a welding manner.

6. The high-strength composite electric motorcycle frame as claimed in claim 5, wherein the extension seat comprises two extension side plates (13) symmetrically distributed in parallel on the left and right sides, an extension main plate (14) is fixedly connected between the two extension side plates (13), the upper ends of the two extension side plates (13) are sleeved on the middle position of the bottom tube (9) and fixedly connected in a welding manner, the upper ends of the extension main plates (14) extend to the outer wall of the bottom tube (9) and are fixedly connected in a welding manner, a main shaft (15) for assembling a rear flat fork is arranged at the lower ends of the two extension side plates (13) in a penetrating manner, and the lower ends of the extension main plates (14) extend to the outer wall of the main shaft (15) and are fixedly connected in a welding manner.

7. The high-strength composite electric motorcycle frame as claimed in claim 1 or 6, wherein the front frame (3) is rectangular, the front frame (3) is fixedly connected with a baffle (16) by welding, and the baffle (16) is provided with strip-shaped through holes.

8. The high-strength composite electric motorcycle frame as claimed in claim 7, wherein the bottom frame (2) comprises bottom beams (17) symmetrically distributed on the left and right sides, and a connecting seat (18) protruding upwards is fixedly connected between the two bottom beams (17) in a welding manner.