CN217805097U

CN217805097U - Frame structure of electric bicycle

Info

Publication number: CN217805097U
Application number: CN202222196799.9U
Authority: CN
Inventors: 张龙; 王忠财; 王飞; 郑艳龙
Original assignee: Luyuan Electric Vehicle Shandong Co ltd
Current assignee: Luyuan Electric Vehicle Shandong Co ltd
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2022-11-15
Anticipated expiration: 2032-08-20

Abstract

The utility model provides an electric bicycle frame structure, including main part crossbeam pipe, enhancement panel beating, main part crossbeam pipe includes the head tube, the end trusteeship, well pipe, and head tube and well pipe are located the oblique upper portion in both ends around the end trusteeship respectively, strengthen the panel beating and fix and set up in collet pipe top, and strengthen the panel beating around both ends respectively with the lower part fixed connection of head tube and well pipe, set up a supporting seat in the rear end upper portion of strengthening the panel beating, the upper portion of supporting seat and the rear end lower part fixed connection of strengthening the panel beating. Utilize this frame structure can guarantee that electric bicycle has longer continuation of the journey mileage under the condition that accords with new weight regulation, do benefit to realization electric bicycle's marketing and sale then.

Description

Frame structure of electric bicycle

Technical Field

The utility model relates to an electric bicycle technical field especially relates to an electric bicycle frame structure.

Background

At present, the main frame of most electric bicycles at present constitutes structural component more, and structural component adopts the welding mode to connect to make current electric bicycle's weight heavier and machining efficiency low. The new technical safety standards for electric bicycles (GB 17761-2018) require that the mass of the whole electric bicycle containing batteries is 55kg, and if the electric bicycle containing the vehicle machine structure is produced according to the specifications, the designed lead-acid battery has small capacity, the capacity of the lead-acid battery is small, so that the endurance mileage of the electric bicycle is short, and the market sales of the electric bicycle are influenced by the fact that the endurance mileage of the electric bicycle is short. Therefore, how to ensure the long endurance of the electric bicycle under the condition of meeting the new technical specifications is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric bicycle frame structure to this solves the prior art problem explained in the above-mentioned background art.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an electric bicycle frame structure, includes main part crossbeam pipe, strengthens the panel beating, main part crossbeam pipe includes head tube, end trusteeship, well pipe, head tube and well pipe are located the oblique upper portion in both ends around the trusteeship at the end respectively, it is in to strengthen the fixed setting of panel beating bottom support pipe top, and strengthen the panel beating around both ends respectively with the lower part fixed connection of head tube and well pipe strengthen the rear end upper portion of panel beating and set up a supporting seat, the upper portion of supporting seat with strengthen the rear end lower part fixed connection of panel beating.

Preferably, the supporting seat comprises a vertical rod and a horizontal supporting pipe, the lower portion of the vertical pipe is fixedly connected with the bottom supporting pipe, and the horizontal supporting pipe is transversely and fixedly arranged on the upper portion of the vertical pipe.

Preferably, the head tube, the collet tube and the middle tube are of an integrally formed structure.

Furthermore, two battery box brackets distributed in the front and back are arranged at the lower part of the bottom support pipe.

Further, the reinforcing sheet metal is U-shaped.

Furthermore, the battery box bracket is provided with two battery boxes which are respectively positioned on the two sides of the bottom support tube and the reinforced metal plate, and the upper sides of the rear parts of the two battery boxes are respectively provided with a front reinforced connecting box and a rear reinforced connecting plate in the front and at the back.

Furthermore, a battery installation notice marking area is arranged at the top of the front reinforced connecting box, and a battery connection description marking area is arranged at the top of the rear reinforced connecting plate.

Furthermore, a front battery pressing plate and a rear battery pressing plate are respectively arranged at the front part and the middle part of the reinforcing metal plate.

The utility model has the advantages that: the utility model has simple structure and convenient processing and manufacturing; in the frame structure, the main body beam pipe is an integral forming structure, and the number of components is small, so that the frame structure is convenient to process and manufacture and high in efficiency; meanwhile, the main body beam tube and the reinforcing metal plate form a main body structure of the frame, the main body beam tube is formed by processing SAPH440 high-strength pipes, and meanwhile, the reinforcing metal plate is located above the bottom support tube and is small in required length, so that the weight of the main body structure of the frame is reduced, and the strength of the frame is guaranteed; under the condition of realizing weight reduction, 4816 lead-acid batteries can be designed and matched for the electric bicycle, and the capacity of the 4816 lead-acid batteries is large, so that under the condition of meeting new weight regulations, the longer endurance capacity of the electric bicycle is ensured, and the electric bicycle is convenient to popularize and sell in the market.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the assembled battery of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

in the figure: the lead-acid battery comprises a main body beam pipe 1, a front pipe 11, a bottom support pipe 12, a header pipe 13, a reinforcing metal plate 2, a front battery pressing plate 21, a rear battery pressing plate 22, a threaded hole 23, a supporting seat 3, a vertical rod 31, a horizontal supporting pipe 32, a battery box bracket 4, a battery box 5, a front reinforcing connecting box 51, a battery installation notice note marking area 511, a rear reinforcing connecting plate 52, a battery connection description marking area 521 and a lead-acid battery 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 3, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.

The utility model provides an electric bicycle frame structure (as shown in figure 1), which comprises a main body beam tube 1 and a reinforced metal plate 2, wherein the main body beam tube 1 comprises a front tube 11, a bottom support tube 12 and a middle tube 13, and in practical application, in order to ensure the frame structure supporting strength formed by the main body beam tube 1 and the reinforced metal plate 2, a SAPH440 high-strength tube material is selected as a processing raw material of the main body beam tube 1, and a Q235 common carbon structural steel is selected as a processing raw material of the reinforced metal plate 2; in order to improve the processing efficiency of the main body beam tube 1, the front tube 11, the bottom support tube 12 and the middle tube 13 are made into an integral structure, and the main body beam tube 1 is manufactured by bending a tube; the front tube 11 and the middle tube 13 are respectively positioned at the upper oblique parts of the front end and the rear end of the bottom support tube 12, the front tube 11 is used for being connected with the head of the electric bicycle, the middle tube 13 is used for being connected with a bearing seat, a rear saddle and a walking wheel carrier of the electric bicycle, and a battery assembly is placed above the bottom support tube 12; the reinforcing metal plate 2 is fixedly arranged above the bottom support pipe 12, the front end and the rear end of the reinforcing metal plate 2 are fixedly connected with the lower parts of the front pipe 11 and the middle pipe 13 respectively, and the strength of the supporting structure of the main body beam pipe 1 is enhanced through the connecting effect of the reinforcing metal plate 2, so that the main frame structure can meet the use requirement under the condition of realizing weight reduction; strengthen the rear end upper portion of panel beating and set up a supporting seat 3, the upper portion of supporting seat 3 with strengthen the rear end lower part fixed connection of panel beating. In practical application, frame major structure adopts main part crossbeam pipe 1, strengthens panel beating 2 and supporting seat 3 and constitutes, and its structural component is few for current frame major structure, then does benefit to the realization and subtracts the weight, and simultaneously, main part crossbeam pipe 1 adopts SAPH440 high strength tubular product manufacturing, strengthens panel beating 2 and supporting seat 3 and adopts Q235 ordinary carbon structural steel manufacturing, then can guarantee the intensity of frame main part. After the existing electric bicycle is lightened by using the frame main body structure, the electric bicycle can be provided with lead-acid batteries with larger capacity, and in the specific embodiment, the electric bicycle can be provided with four 4816 lead-acid batteries.

In the above embodiment, the specific implementation of the supporting seat 3 is as follows: the supporting seat 3 comprises a vertical rod 31 and a supporting transverse pipe 32, the lower portion of the vertical pipe 31 is fixedly connected with the bottom supporting pipe 12, the supporting transverse pipe 32 is transversely fixedly arranged on the upper portion of the vertical pipe 31, the upper portion of the supporting transverse pipe 32 is fixedly connected with the lower side of the rear portion of the reinforced metal plate 2, the supporting transverse pipe 32 is utilized to support the rear portion of the reinforced metal plate 2, the supporting strength of the supporting transverse pipe is guaranteed simultaneously for reducing the weight of the reinforced metal plate 2, and the reinforced metal plate 2 is arranged into a U-shaped structure.

In order to realize the stable installation of the battery components on the bottom supporting tube 12, two battery box brackets 4 which are distributed back and forth are arranged at the lower part of the bottom supporting tube 12, furthermore, two battery boxes 5 which are respectively arranged at the two sides of the bottom supporting tube 12 and the reinforcing metal plate 2 are arranged on the battery box brackets 4, the battery boxes 5 are fixed on the battery box brackets 4 by bolts, and in order to realize the connection stability of the upper parts of the two battery boxes 5, a front reinforcing connection box 51 and a rear reinforcing connection plate 52 are respectively arranged at the upper sides of the rear parts of the two battery boxes 5 back and forth. In practical application, two 4816 lead-acid batteries can be placed in each battery box 5, so as to facilitate the smooth installation of the batteries and improve the safety guidance of battery installation operation, a battery installation notice marking area 511 is arranged at the top of the front reinforced connection box 51, and battery installation notices are filled in the battery installation notice marking area 511; a battery connection description labeling area 521 is arranged at the top of the rear reinforcing connecting plate 52, and a battery circuit connection schematic diagram is arranged in the battery connection description labeling area 521.

For further improving the stability of battery in battery case 5, here strengthen that the front portion and the middle part of panel beating 2 set up one respectively before battery clamp plate 21 and back battery clamp plate 22, preceding battery clamp plate 21 is used for realizing being located the pressure of two lead acid batteries 6 of strengthening the anterior both sides of panel beating 2 and puts fixedly, back battery clamp plate 22 is used for realizing being located the pressure of two lead acid batteries 6 of strengthening 2 rear portions of panel beating and puts fixedly, preceding battery clamp plate 21 and back battery clamp plate 22 all adopt the bolt connection mode to fix on strengthening panel beating 2, it is concrete, be provided with two screw holes 23 that are used for fixed preceding battery clamp plate 21 at the anterior upside of strengthening panel beating 2, be provided with a screw hole 23 that is used for fixed back battery clamp plate 22 at the rear portion upside of strengthening panel beating 2.

In the present invention, "upper", "lower", "front", "rear", "left" and "right" are all relative positions adopted for convenience of describing the positional relationship, and therefore, cannot be interpreted as a limitation to the protection range as an absolute position.

Except for the technical features described in the specification, the method is known by the technical personnel in the field.

The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.

Claims

1. The utility model provides an electric bicycle frame structure, characterized by, includes main part crossbeam pipe, strengthens the panel beating, main part crossbeam pipe includes head tube, end trusteeship, well pipe, head tube and well pipe are located the oblique upper portion in both ends around the end trusteeship respectively, it is fixed to set up to strengthen the panel beating the head tube top, and strengthen the panel beating around both ends respectively with the lower part fixed connection of head tube and well pipe strengthen the rear end upper portion of panel beating and set up a supporting seat, the upper portion of supporting seat with strengthen the rear end lower part fixed connection of panel beating.

2. The frame structure of the electric bicycle according to claim 1, wherein the supporting seat comprises a vertical tube and a horizontal supporting tube, the lower part of the vertical tube is fixedly connected with the bottom support tube, and the horizontal supporting tube is transversely and fixedly arranged on the upper part of the vertical tube.

3. The frame structure of an electric bicycle as claimed in claim 1, wherein the front tube, the bottom support tube and the middle tube are integrally formed.

4. A frame structure for an electric bicycle according to claim 2 or 3, wherein two battery box brackets are provided at the lower portion of the bottom bracket tube in a front-to-rear arrangement.

5. The frame structure of the electric bicycle according to claim 4, wherein the reinforcing metal plate is U-shaped.

6. The frame structure of the electric bicycle according to claim 4, wherein two battery boxes are respectively arranged on the battery box bracket at two sides of the bottom support pipe and the reinforcing metal plate, and a front reinforcing connection box and a rear reinforcing connection plate are respectively arranged at the front and the rear of the upper sides of the rear parts of the two battery boxes.

7. The frame structure of electric bicycle according to claim 6, wherein the front reinforced connection box has a battery installation notice marking area on the top, and the rear reinforced connection plate has a battery connection description marking area on the top.

8. The frame structure of the electric bicycle according to claim 4, wherein a front battery pressing plate and a rear battery pressing plate are respectively arranged at the front part and the middle part of the reinforcing metal plate.