CN216734621U - Electric bicycle frame - Google Patents
Electric bicycle frame Download PDFInfo
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- CN216734621U CN216734621U CN202123203782.3U CN202123203782U CN216734621U CN 216734621 U CN216734621 U CN 216734621U CN 202123203782 U CN202123203782 U CN 202123203782U CN 216734621 U CN216734621 U CN 216734621U
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- pipe
- fixed
- seat cushion
- tube
- fork
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Abstract
The utility model relates to an electric bicycle frame, include: the battery fixing device comprises a seat cushion fixing frame, a battery fixing frame fixed at the bottom of the seat cushion fixing frame, a first rear upper fork and a second rear upper fork fixed at two sides of the bottom of the seat cushion fixing frame, a rear hook claw fixed at the end part of the first rear upper fork, a rear lower fork connected with the rear hook claw, a lower pipe connected with the rear lower fork, an upper pipe, a five-way pipe and a head pipe, wherein one end of the upper pipe is bent into a supporting pipe which is fixed on the lower pipe and positioned above a connecting pipe, and the other end of the upper pipe is fixed at one end of the first rear upper fork; the five-way pipe is fixed on the connecting pipe; the head pipe is fixed to the other end of the lower pipe. This electric bicycle frame makes two suitable distances between pedal with the battery mount setting in the below of seatpad, and it is convenient to ride, and structural strength is high simultaneously to install elasticity seatpad through setting up the great seatpad mount of area and improve the travelling comfort of riding, effectively lightened weight, and can be suitable for current speed change bicycle's wheel, the commonality is high.
Description
Technical Field
The utility model relates to an electric bicycle, especially electric bicycle frame.
Background
The frame of current electric bicycle is used for lead accumulator mostly, and lead accumulator weight and volume are all great to the majority sets up in the five-way pipe department of frame, leads to the axis very long, and the distance is great between two pedals, and is very inconvenient when trampling, in order to adapt to new national standard, alleviates electric bicycle's weight, adopts the lithium cell, but current frame is not suitable for the lithium cell.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides an electric bicycle frame that is used for installing the lithium cell and light in weight, intensity is high, be convenient for ride, and concrete technical scheme is:
electric bicycle frame includes: the seat cushion fixing frame is used for mounting an elastic seat cushion; the battery fixing frame is fixed at the bottom of the seat cushion fixing frame; one end of the first rear upper fork is fixed at one end of the bottom of the seat cushion fixing frame and symmetrically positioned at two sides of the seat cushion fixing frame; one end of the second rear upper fork is fixed at the other end of the bottom of the seat cushion fixing frame and symmetrically positioned on two sides of the seat cushion fixing frame, and the other end of the second rear upper fork is fixed at the other end of the first rear upper fork; the rear hook claw is fixed at the end part of the other end of the first rear upper fork; one end of the rear lower fork is fixed on the rear hook claw; one end of the lower pipe is bent into a connecting pipe, the other end of the rear lower fork is bent towards the connecting pipe and fixed on the connecting pipe, and the rear lower fork is symmetrically arranged on two sides of the connecting pipe; the two upper tubes are symmetrically arranged, one end of each upper tube is bent into a supporting tube, the supporting tubes are fixed on the lower tube and are positioned above the connecting tubes, and the other end of each upper tube is fixed at one end of the first rear upper fork; the five-way pipe is fixed on the connecting pipe; and the head pipe is fixed at the other end of the lower pipe.
Further, the method also comprises the following steps: and the two ends of the rear fork branch pipe are respectively connected with the first rear upper fork and the rear lower fork.
Furthermore, one end of the second rear upper fork bends towards the seat cushion fixing frame to form a second connecting pipe, and the second connecting pipe is fixed at the bottom of the seat cushion fixing frame.
Further, the method also comprises the following steps: and the two ends of the lower pipe are respectively connected with the two rear lower forks and are positioned at one end of the connecting pipe.
Further, the method also comprises the following steps: and one end of the upper branch pipe is fixed at one end of the upper pipe and is connected with the supporting pipe, and the other end of the upper branch pipe is fixed on the five-way pipe.
Wherein one end of the support tube is bent toward the head tube to form a welded tube, and the welded tube is fixed to the lower tube.
Preferably, the method further comprises the following steps: and two ends of the first connecting pipe are respectively fixed on the two first rear upper forks.
Preferably, the seat cushion holder includes: the seat cushion fixing pipe is matched with the elastic seat cushion; the seat cushion connecting plate is fixed on the seat cushion fixing pipe and is provided with a threaded hole; and the upper connecting pipe is fixed inside the seat cushion fixing pipe.
Preferably, the battery holder includes: the battery fixing tube is U-shaped; the two ends of the connecting rod are respectively fixed on the battery fixing tube and the seat cushion fixing frame, and the connecting rod is symmetrically arranged on the two sides of the battery fixing tube; the fixing supporting plate is U-shaped, and two ends of the fixing supporting plate are respectively fixed on two sides of the battery fixing tube; and the locking plate supporting plate is U-shaped, and two ends of the locking plate supporting plate are respectively fixed on two sides of the battery fixing pipe and used for installing the locking plate.
Furthermore, the connecting rods are obliquely arranged, and the number of the connecting rods on each side of the battery fixing tube is not less than two.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides an electric bicycle frame makes two distances suitable between pedal with the battery mount setting in the below of seatpad, and it is convenient to ride, and structural strength is high simultaneously to install elasticity seatpad through setting up the great seatpad mount of area and improve the travelling comfort of riding, effectively alleviateed weight, and can be suitable for current speed change bicycle's wheel, the commonality is high.
Drawings
FIG. 1 is a front isometric view of an electric bicycle frame;
FIG. 2 is a rear isometric view of the electric bicycle frame;
FIG. 3 is a front elevational view of the electric bicycle frame;
FIG. 4 is a schematic structural view of a battery holder;
fig. 5 is a schematic structural view of a reinforcing pipe.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, an electric bicycle frame includes: the seat cushion fixing frame is used for installing an elastic seat cushion; the battery fixing frame is fixed at the bottom of the seat cushion fixing frame; one end of the first rear upper fork 12 is fixed at one end of the bottom of the seat cushion fixing frame and is symmetrically positioned at two sides of the seat cushion fixing frame; one end of the second rear upper fork 13 is fixed at the other end of the bottom of the seat cushion fixing frame and symmetrically positioned at two sides of the seat cushion fixing frame, and the other end of the second rear upper fork 13 is fixed at the other end of the first rear upper fork 12; a rear hook claw 14, wherein the rear hook claw 14 is fixed at the end part of the other end of the first rear upper fork 12; a rear lower fork 15, wherein one end of the rear lower fork 15 is fixed on the rear hook claw 14; a lower pipe 16, one end of the lower pipe 16 being bent to form a connection pipe 161, the other end of the rear lower fork 15 being bent toward the connection pipe 161 and fixed to the connection pipe 161, the rear lower fork 15 being symmetrically disposed at both sides of the connection pipe 161; two upper tubes 19 are symmetrically arranged, one end of each upper tube 19 is bent into a support tube 191, the support tubes 191 are fixed on the lower tube 16 and are positioned above the connecting tubes 161, and the other end of each upper tube 19 is fixed at one end of the first rear upper fork 12; the five-way pipe 17, the five-way pipe 17 is fixed on the connecting pipe 161; and a head pipe 18, the head pipe 18 being fixed to the other end of the down tube 16.
Specifically, the device further comprises an upper branch pipe 193, one end of the upper branch pipe 193 is fixed at one end of the upper pipe 19 and connected with the support pipe 191, and the other end of the upper branch pipe 193 is fixed on the five-way pipe 17.
The seat cushion fixing frame, the first rear upper fork 12 and the second rear upper fork 13 form a triangle, and the first rear upper fork 12, the upper tube 19 and the rear lower fork 15 form a triangle, so that the whole frame is stable in structure and high in strength.
In at least one embodiment, as shown in fig. 5, a reinforcing tube 114 is welded between the head tube 18 and the lower tube 16, and the reinforcing tube 114 is cut from a tube material into a triangle shape and welded to the lower tube 16 and the head tube 18 respectively to form a triangular support.
The seatpad mount includes: a seat cushion fixing pipe 210, the seat cushion fixing pipe 210 matching with the elastic seat cushion; the seat cushion connecting plate 211 is fixed on the seat cushion fixing tube 210, and is provided with a threaded hole; and an upper connection pipe 212, the upper connection pipe 212 being fixed inside the seat cushion fixing pipe 210.
The first rear upper fork 12 and the second joint pipe 131 are welded to the cushion fixing pipe 210.
The threaded holes on the seat cushion connecting plate 211 are used for installing the elastic seat cushion.
The battery holder includes: the battery fixing tube 310, the battery fixing tube 310 is U-shaped; the two ends of the connecting rod 313 are respectively fixed on the battery fixing tube 310 and the seat cushion fixing frame, and the connecting rods 313 are symmetrically arranged on the two sides of the battery fixing tube 310; a fixing support plate 311, the fixing support plate 311 being U-shaped, both ends of the fixing support plate 311 being fixed to both sides of the battery fixing tube 310, respectively; and a locking plate supporting plate 312, wherein the locking plate supporting plate 312 is U-shaped, and two ends of the locking plate supporting plate 312 are respectively fixed at two sides of the battery fixing tube 310 for installing a locking plate.
One end of the battery fixing tube 310 is open, so that the battery box can be conveniently disassembled and assembled. The connection bars 313 are obliquely arranged, and not less than two connection bars 313 are provided at each side of the battery fixing tube 310. The connection bar 313 is welded to the seat cushion fixing tube 210.
The frame is formed by welding bent pipes.
In at least one embodiment, the method further comprises: and a rear fork branch pipe 112, wherein both ends of the rear fork branch pipe 112 are respectively connected with the first rear upper fork 12 and the rear lower fork 15. The rear fork branch 112 improves the strength of the rear dropout 14 and the first rear upper fork 12.
In at least one embodiment, one end of the second seat upper fork 13 is bent toward the seat cushion holder to form a second adapter tube 131, and the second adapter tube 131 is fixed to the bottom of the seat cushion holder. The second connecting pipe 131 can effectively increase the included angle between the first rear upper fork 12 and the second rear upper fork 13, so that the welding of the battery fixing frame is facilitated, and the appearance is more atmospheric.
In at least one embodiment, a lower connection pipe 113 is further included, and both ends of the lower pipe 16 are connected to the two under-forks 15, respectively, and are located at one end of the connection pipe 161. The lower connection pipe 113 is used to increase the connection strength between the two rear lower forks 15, to avoid deformation, and to facilitate the installation of a rear fender.
In not less than one embodiment, one end of the support tube 191 is bent toward the head pipe 18 to form a welded tube 192, and the welded tube 192 is fixed to the lower pipe 16. The welding pipe 192 increases the welding area with the lower pipe 16, improves the connection strength, forms arc transitional connection, and is more attractive.
In at least one embodiment, the seat further includes a first connecting tube 111, and both ends of the first connecting tube 111 are respectively fixed to the two first rear upper forks 12. The first joint pipe 111 is used to enhance the coupling strength between the two first rear upper forks 12 while facilitating the installation of the rear fender.
The utility model provides an electric bicycle frame makes two distances suitable between pedal with the battery mount setting in the below of seatpad, and it is convenient to ride, and structural strength is high simultaneously to install elasticity seatpad through setting up the great seatpad mount of area and improve the travelling comfort of riding, effectively alleviateed weight, and can be suitable for current speed change bicycle's wheel, the commonality is high.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (10)
1. Electric bicycle frame, its characterized in that includes:
the seat cushion fixing frame is used for mounting an elastic seat cushion;
the battery fixing frame is fixed at the bottom of the seat cushion fixing frame;
one end of the first rear upper fork is fixed at one end of the bottom of the seat cushion fixing frame and symmetrically positioned at two sides of the seat cushion fixing frame;
one end of the second rear upper fork is fixed at the other end of the bottom of the seat cushion fixing frame and symmetrically positioned on two sides of the seat cushion fixing frame, and the other end of the second rear upper fork is fixed at the other end of the first rear upper fork;
the rear hook claw is fixed at the end part of the other end of the first rear upper fork;
one end of the rear lower fork is fixed on the rear hook claw;
one end of the lower pipe is bent into a connecting pipe, the other end of the rear lower fork is bent towards the connecting pipe and fixed on the connecting pipe, and the rear lower fork is symmetrically arranged on two sides of the connecting pipe;
the two upper tubes are symmetrically arranged, one end of each upper tube is bent into a supporting tube, the supporting tubes are fixed on the lower tube and located above the connecting tubes, and the other end of each upper tube is fixed at one end of the first rear upper fork;
the five-way pipe is fixed on the connecting pipe; and
a head pipe fixed to the other end of the lower pipe.
2. The electric bicycle frame of claim 1, further comprising: and the two ends of the rear fork branch pipe are respectively connected with the first rear upper fork and the rear lower fork.
3. The electric bicycle frame as claimed in claim 1, wherein one end of the second rear upper fork is bent toward the seat cushion fixing frame to form a second nipple, and the second nipple is fixed to a bottom of the seat cushion fixing frame.
4. The electric bicycle frame of claim 1, further comprising: and the two ends of the lower pipe are respectively connected with the two rear lower forks and are positioned at one end of the connecting pipe.
5. The electric bicycle frame of claim 1, further comprising: and one end of the upper branch pipe is fixed at one end of the upper pipe and is connected with the supporting pipe, and the other end of the upper branch pipe is fixed on the five-way pipe.
6. The electric bicycle frame according to claim 1, wherein one end of the support tube is bent toward a head tube to form a welded tube, and the welded tube is fixed to the down tube.
7. The electric bicycle frame of claim 1, further comprising: and two ends of the first connecting pipe are respectively fixed on the two first rear upper forks.
8. The electric bicycle frame as claimed in any one of claims 1 to 7, wherein the seat cushion mount comprises:
the seat cushion fixing pipe is matched with the elastic seat cushion;
the seat cushion connecting plate is fixed on the seat cushion fixing pipe and is provided with a threaded hole; and
and the upper connecting pipe is fixed inside the seat cushion fixing pipe.
9. The electric bicycle frame according to any one of claims 1 to 7, wherein the battery holder comprises:
the battery fixing tube is U-shaped;
the two ends of the connecting rod are respectively fixed on the battery fixing tube and the seat cushion fixing frame, and the connecting rod is symmetrically arranged on the two sides of the battery fixing tube;
the fixing support plate is U-shaped, and two ends of the fixing support plate are respectively fixed on two sides of the battery fixing tube; and
the battery fixing pipe comprises a locking plate supporting plate, wherein the locking plate supporting plate is U-shaped, and two ends of the locking plate supporting plate are respectively fixed on two sides of the battery fixing pipe and used for installing a locking plate.
10. The electric bicycle frame as claimed in claim 9, wherein the connection bar is obliquely disposed, and the connection bar is not less than two on each side of the battery fixing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203782.3U CN216734621U (en) | 2021-12-19 | 2021-12-19 | Electric bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203782.3U CN216734621U (en) | 2021-12-19 | 2021-12-19 | Electric bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216734621U true CN216734621U (en) | 2022-06-14 |
Family
ID=81935682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123203782.3U Active CN216734621U (en) | 2021-12-19 | 2021-12-19 | Electric bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216734621U (en) |
-
2021
- 2021-12-19 CN CN202123203782.3U patent/CN216734621U/en active Active
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| GR01 | Patent grant |