CN213229004U

CN213229004U - Novel electric bicycle frame

Info

Publication number: CN213229004U
Application number: CN202022039860.XU
Authority: CN
Inventors: 彭小平
Original assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Current assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-18
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a novel electric bicycle frame, which mainly comprises a frame front triangle, a frame rear fork and a rear seat frame, wherein a head pipe, a girder pipe and a folder are welded and fixed in sequence; the frame rear fork comprises a frame upper fork and a frame lower fork, the frame upper fork is welded at the upper end of the frame middle pipe, the frame lower fork is welded in front of the lower end of the frame middle pipe and is provided with a second rotating shaft, and a rear lower shock absorber is arranged between the frame upper fork and the frame lower fork for connection; the front part of the rear seat frame is connected with the upper fork of the frame, and the middle part of the rear seat frame is provided with a rear upper shock absorber which is connected with the upper fork of the frame. The utility model discloses a triangle, frame back triangle and back seat frame all are equipped with the bumper shock absorber before the frame, carry out triple shock attenuation, let absorbing effect more steady, the process of riding more comfortable according to mechanical design.

Description

Novel electric bicycle frame

Technical Field

The utility model relates to an electric vehicle technical field, more specifically the utility model relates to a novel electric bicycle frame that says so.

Background

The electric vehicle is a very popular tool for riding instead of walk in modern society, and is widely favored by simple driving operation, energy conservation and environmental protection. Most of the existing electric vehicles imitate the appearance of a motorcycle, the driving distance is long, but the vehicle body is heavy, so that the electric vehicles are not light enough for female users and inconvenient to use, and the electric vehicles are household charging electric vehicles in the market at present, if the electric vehicles are brought into the home, the electric vehicles need to be small and light in structure and can be folded at best, and the existing electric vehicle frames cannot well realize the purpose; moreover, the existing frame is mostly formed integrally, so that the shock absorption is abandoned while the shock resistance strength of the frame is improved, and the electric vehicle is in rigid connection to indirectly damage the waist and the spine of a user.

Therefore, to solve the above problems, it is an urgent need to provide a novel electric bicycle frame.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel electric bicycle frame, fine solution the above-mentioned problem, through all set up the bumper shock absorber on triangle, frame back triangle and the rear seat frame before the frame, can carry out triple shock attenuation, this structure lets the absorbing effect more steady according to mechanical design, and partial frame is collapsible, reduces self volume, conveniently takes home to deposit to the frame in the design, the triangle framework is adopted in many places, guarantees that the frame has certain shock stability.

In order to achieve the above object, the utility model provides a following technical scheme: a novel electric bicycle frame mainly comprises a frame front triangle, a frame rear fork and a rear seat frame, wherein the frame front triangle comprises a head pipe, a main beam pipe, a folder and a rotating shaft, the head pipe, the main beam pipe and the folder are sequentially welded and fixed, a U-shaped connecting groove steel plate is arranged between the folder and the rotating shaft, the rotating shaft is connected with a transmission shaft seat, the transmission shaft seat is welded at the middle lower part of the middle pipe of the frame, the frame rear triangle comprises a frame rear fork, a frame middle pipe and a middle shock absorber, and the middle shock absorber is arranged between the frame middle pipe and the U-shaped connecting groove steel plate; the frame rear fork comprises a frame upper fork and a frame lower fork, the frame upper fork is welded at the upper end of the frame middle pipe, the frame lower fork is welded in front of the lower end of the frame middle pipe and is provided with a second rotating shaft, and a rear lower shock absorber is arranged between the frame upper fork and the frame lower fork for connection; the front part of the rear seat frame is connected with the upper fork of the frame, and the middle part of the rear seat frame is provided with a rear upper shock absorber which is connected with the upper fork of the frame.

Preferably, in above-mentioned novel electric bicycle frame, be equipped with the mid-damper between frame well pipe and the U type spread groove steel sheet, the mid-damper is equipped with two altogether, and forms the triangle structure between mid-damper and the frame well pipe, has guaranteed automobile body stability.

Preferably, in the above-mentioned novel electric bicycle frame, the welding has the battery mount pad behind the frame well pipe, mountable plug-in battery case in the battery mount pad, and plug-in battery case is got and is put the flexibility, is convenient for charge.

Preferably, in the above-mentioned novel electric bicycle frame, the fork adopts articulated connected mode on the front portion of back seat frame and the frame, and the back seat frame middle part is arranged in to the rearmounted bumper shock absorber, forms the triangle structure between rear upper shock absorber, back seat frame and the frame fork, has guaranteed the stability of back seat frame, and is equipped with the rearmounted bumper shock absorber, has improved the comfort level of taking of back seat.

Preferably, in the novel electric bicycle frame, the novel electric bicycle frame is made of magnesium-aluminum alloy or aluminum alloy, and is high in strength and light in weight.

Preferably, in the novel electric bicycle frame, two sides of the lower end of the rear seat frame are provided with the U-shaped connecting pipes, the U-shaped connecting pipes are welded to the tail of the fork on the frame, and the U-shaped connecting pipes are fixedly connected with the rear upper shock absorber and the rear lower shock absorber.

According to the technical scheme, the utility model provides a novel electric bicycle frame compares with prior art, has abandoned frame integrated into one piece structure, adopts triangle structure and bumper shock absorber to compensate the overall stability of frame, replaces rigid connection with elasticity, has improved riding comfort level of user, has alleviateed the whole weight of frame, conveniently carries, frame structure part is collapsible, reduce occupation space, the battery case design is bayonet, conveniently tear open and get the use of charging, wholly accord with modern crowd and use theory.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

In the figure: 1. a head pipe; 2. a main beam pipe; 3. a folder; 4. a rotating shaft; 5. u-shaped connecting groove steel plates; 6. a frame middle tube; 7. a middle damper; 8. a frame upper fork; 9. a frame lower fork; 10. a second rotation shaft; 11. then the shock absorber is arranged; 12. a rear seat frame; 13. a rear upper shock absorber; 14. a battery mounting seat; 15. a U-shaped connecting pipe; 16. transmission shaft seat

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.

The embodiment of the utility model discloses novel electric bicycle frame, fine solution the problem that current product exists, through all set up the bumper shock absorber on triangle, frame back triangle and the rear seat frame before the frame, can carry out triple shock attenuation, this structure lets the absorbing effect more steady according to mechanical design, and partial frame is collapsible, reduces self volume, conveniently takes home to deposit to the frame is in the design, and the triangle framework is adopted in many places, guarantees that the frame has certain shock stability.

Referring to fig. 1-3, for the utility model discloses a novel electric bicycle frame, specifically include: the front frame triangle comprises a head pipe 1, a main beam pipe 2, a folder 3 and a rotating shaft 4, the head pipe 1, the main beam pipe 2 and the folder 3 are sequentially welded and fixed, a U-shaped connecting groove steel plate 5 is arranged between the folder 3 and the rotating shaft 4, the rotating shaft 4 is connected with a transmission shaft seat 16, the transmission shaft seat 6 is welded at the middle lower part of a middle frame pipe 6, the rear frame triangle comprises a rear frame triangle, a middle frame pipe 6 and a middle shock absorber 7, and the middle shock absorber 7 is arranged between the middle frame pipe 6 and the U-shaped connecting groove steel plate 5; the frame rear fork comprises a frame upper fork 8 and a frame lower fork 9, the frame upper fork 8 is welded at the upper end of the frame middle tube 6, the frame lower fork 9 is welded in front of the lower end of the frame middle tube 6 and is provided with a second rotating shaft 10, and a rear lower shock absorber 11 is arranged between the frame upper fork 8 and the frame lower fork 9 for connection; the front part of the rear seat frame 12 is connected with the frame upper fork 8, and the middle part is provided with a rear upper shock absorber 13 which is connected with the frame upper fork 8.

Preferably, a middle damper 7 is arranged between the middle tube 6 of the frame and the U-shaped connecting groove steel plate 5, the number of the middle dampers 7 is two, and a triangular structure is formed between the middle damper 7 and the middle tube 6 of the frame, so that the stability of the vehicle body is ensured.

Preferably, a battery mounting seat 14 is welded behind the frame middle tube 6, an insertion type battery box can be mounted in the battery mounting seat 14, and the insertion type battery box is flexible to take and place and convenient to charge.

Preferably, the front part of the rear seat frame 12 is hinged with the frame upper fork 8 through a rotating shaft, the rear upper shock absorber 13 is arranged in the middle of the rear seat frame 12, a triangular structure is formed among the rear upper shock absorber 13, the rear seat frame 12 and the frame upper fork 8, the stability of the rear seat frame 12 is guaranteed, the rear upper shock absorber 13 is arranged, and the riding comfort of the rear seat is improved.

Preferably, the novel electric vehicle frame is made of magnesium-aluminum alloy or aluminum alloy, and is high in strength and light in weight.

Preferably, two sides of the lower end of the rear seat frame 12 are provided with U-shaped connecting pipes 15, the U-shaped connecting pipes 15 are welded at the tail of the upper fork of the frame, and the U-shaped connecting pipes 15 are fixedly connected with a rear upper shock absorber 13 and a rear lower shock absorber 11 from top to bottom.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel electric bicycle frame is characterized by mainly comprising a frame front triangle, a frame rear fork and a rear seat frame, wherein the frame front triangle comprises a head pipe, a main beam pipe, a folder and a rotating shaft, the head pipe, the main beam pipe and the folder are sequentially welded and fixed, a U-shaped connecting groove steel plate is arranged between the folder and the rotating shaft, the rotating shaft is connected with a transmission shaft seat, the transmission shaft seat is welded at the middle lower part of the middle pipe of the frame, the frame rear triangle comprises a frame rear fork, a frame middle pipe and a middle shock absorber, and the middle shock absorber is arranged between the frame middle pipe and the U-shaped connecting groove steel plate; the frame rear fork comprises a frame upper fork and a frame lower fork, the frame upper fork is welded at the upper end of the frame middle pipe, the frame lower fork is welded in front of the lower end of the frame middle pipe and is provided with a second rotating shaft, and a rear lower shock absorber is arranged between the frame upper fork and the frame lower fork for connection; the front part of the rear seat frame is connected with the upper fork of the frame, and the middle part of the rear seat frame is provided with a rear upper shock absorber which is connected with the upper fork of the frame.

2. The frame of the novel electric bicycle as claimed in claim 1, wherein two middle dampers are arranged between the frame middle tube and the U-shaped connecting groove steel plate, and a triangular structure is formed between the middle dampers and the frame middle tube to ensure the stability of the frame.

3. The novel electric bicycle frame as claimed in claim 1, wherein a battery mounting seat is welded behind the middle tube of the frame, an insertion type battery box can be mounted in the battery mounting seat, and the insertion type battery box is flexible to take and place and convenient to charge.

4. The frame for electric bicycle as claimed in claim 1, wherein the front part of the rear seat frame is connected with the upper fork of the frame in an articulated manner, the rear upper shock absorber is disposed in the middle of the rear seat frame, a triangular structure is formed among the rear upper shock absorber, the rear seat frame and the upper fork of the frame, the stability of the rear seat frame is ensured, and the rear upper shock absorber is provided to improve the riding comfort of the rear seat.

5. The novel electric bicycle frame as claimed in claim 1, wherein the novel electric bicycle frame is made of magnesium aluminum alloy or aluminum alloy, and has high strength and light weight.

6. The frame for electric bicycle as claimed in claim 1, wherein the rear seat frame is provided with a U-shaped connecting tube at both sides of the lower end thereof, the U-shaped connecting tube is welded to the rear portion of the upper fork of the frame, and the U-shaped connecting tube is fixedly connected with the rear upper damper and the rear lower damper.