CN217706132U - Front fork structure of electric bicycle - Google Patents
Front fork structure of electric bicycle Download PDFInfo
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- CN217706132U CN217706132U CN202222224400.3U CN202222224400U CN217706132U CN 217706132 U CN217706132 U CN 217706132U CN 202222224400 U CN202222224400 U CN 202222224400U CN 217706132 U CN217706132 U CN 217706132U
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- front fork
- electric bicycle
- fork structure
- connecting plate
- hydraulic damping
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Abstract
The utility model provides an electric bicycle front fork structure, including riser, rotation even board, hydraulic damping bumper shock absorber, the lower part of riser is fixed to be put and is rotating even a through hole that the board middle part set up, and the upper portion of the shock attenuation pipe of two hydraulic damping bumper shock absorbers overlaps respectively to be put and fixes in rotating even the spliced eye that the board both ends set up, and the distance between the center pin of two spliced eyes is L, and 120mm is less than or equal to L and is less than or equal to 130mm, and the external diameter of shock attenuation pipe is 25mm. The front fork has better shock absorption performance, and the structure has small transverse size and light weight, and is beneficial to realizing flexible steering control in the running process of the electric bicycle.
Description
Technical Field
The utility model relates to an electric bicycle technical field especially relates to an electric bicycle front fork structure.
Background
At present, current electric bicycle all realizes front wheel direction control through the front fork, and when needs turned to, the driver rotated the handlebar according to the demand, and the rotation of handlebar drives the front fork and rotates, finally realizes the rotation of front wheel then. However, the front fork of the existing electric bicycle only adopts a spring as a damping medium, and the damping effect is not good in the running process; some electric bicycles' front forks on the market also adopt hydraulic damping shock absorbers to realize shock absorption, and the shock absorption effect is good in the driving process, but the front forks with the hydraulic damping shock absorbers applied to the electric bicycles at present have larger volume and heavier weight, so that the steering is not flexible in the practical application process, and the operation is not easy to realize in case of emergency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric bicycle front fork structure, this front fork utensil is equipped with better shock attenuation performance, and the structure horizontal size is little, light in weight, does benefit to the nimble of realizing the electric bicycle travel in-process and turns to and control.
The utility model provides a technical scheme that its technical problem adopted is: the front fork structure of the electric bicycle comprises a vertical pipe, a rotating connecting plate and hydraulic damping shock absorbers, wherein the lower part of the vertical pipe is fixedly sleeved in a through hole formed in the middle of the rotating connecting plate, the upper parts of the damping pipes of the two hydraulic damping shock absorbers are respectively sleeved and fixed in inserting holes formed in two ends of the rotating connecting plate, the distance between the central shafts of the two inserting holes is L, L is not less than 120mm and not more than 130mm, and the outer diameter of each damping pipe is 25mm.
Preferably, a wire harness restraint ring is arranged on one side of the front part of the rotating connecting plate.
Furthermore, a threaded hole is formed in the front side wall of each plug hole.
Furthermore, two weight-reducing grooves positioned at two sides of the through hole are formed in the lower portion of the rotating connecting plate.
Furthermore, two sides of the through hole are respectively provided with a steering limit column.
The utility model has the advantages that: the utility model has simple structure and convenient processing and manufacturing; the distance between the two plug holes of the rotating connecting plate is controlled to be 120-130mm, so that the size optimization is completed under the condition of ensuring that the rotating connecting plate can be adapted to the running front wheel of the existing electric bicycle, and the weight reduction of the rotating connecting plate is realized; the outer diameter of the shock absorption pipe of the hydraulic damping shock absorber is optimized to 25mm from 27mm, so that the size optimization is realized, the outer diameter of the shock absorption pipe is reduced, the sizes of relevant parts matched with the shock absorption pipe are smaller, and the integral weight reduction of the hydraulic damping shock absorber is realized; the hydraulic damping shock absorber and the rotating connecting plate both realize weight reduction, so that the weight reduction of the front fork is necessarily realized; the reduced weight of the front fork in turn may make the steering operation convenient and flexible.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred 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 schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a side view of the structure of the rotating link plate;
in the figure: the device comprises a vertical pipe 1, a rotary connecting plate 2, a through hole 21, a plug hole 22, a wiring harness restraint ring 23, a weight reduction groove 24, a threaded hole 25, a steering limit column 26, a hydraulic damping shock absorber 3, a shock absorption pipe 31, a fender bracket 32, a reflector plate 33 and a compression bolt 101.
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 front fork structure (as shown in figure 1), including riser 1, rotation even board 2, hydraulic damping bumper shock absorber 3 is the known technical product in this field, so do not do detailed description to the detailed structure composition and the shock attenuation theory of operation of hydraulic damping bumper shock absorber 3 here, the fixed cover in lower part of riser 1 is put in a through-hole 21 that rotates even board 2 middle part and set up, in practical application, riser 1 can adopt Q235 material steel pipe manufacturing to form, rotates even board 2 and adopts the casting mode processing to form, for further realizing rotating even board 2 subtract heavy optimization, here, under the condition of guaranteeing to rotate even board 2 structural strength, is provided with two recesses 24 that subtract heavy that lie in the lower part of rotating even board 2 both sides of through-hole 21; in practical application, the lower part of the vertical pipe 1 is fixedly connected with the rotating connecting plate 2 in a welding mode; two the upper portion of the shock tube 31 of hydraulic damping bumper shock absorber 3 overlaps respectively to be put and fixes in the spliced eye 22 that rotates even board 2 both ends and set up, at the practical application in-process, the one end of the arc lateral wall of spliced eye 22 is in the detached state with rotating even board 2, inserts back in the spliced eye 22 when the upper end of shock tube 31, and usable two bolts 101 realize the arc lateral wall and rotate even one end fastening connection of board 2 separation, compress tightly the back with the expansion end of arc lateral wall when bolt 101, then realize shock tube 31 and rotate even stable fixed on board 2. The distance between the central axes of the two inserting holes 21 is L, L is more than or equal to 120mm and less than or equal to 130mm, in the specific embodiment, preferably, the value of L is 125mm, the value of L is 120-130mm, and the distance value between the two inserting holes on the existing rotating connecting plate is smaller, so that the structural size optimization of the rotating connecting plate 2 is realized, and the weight reduction of the rotating connecting plate is realized; the outer diameter of the shock absorption pipe is 25mm, and the outer diameter of the shock absorption pipe is 25mm, so that the size optimization is realized compared with the existing shock absorption pipe with the outer diameter of 27 mm; the outer diameter of the shock-absorbing tube 31 is reduced so that the size of the relevant parts fitted thereto is also small, thereby achieving an overall weight reduction of the hydraulic damping shock absorber 3; the hydraulic damping shock absorber 3 and the rotating connecting plate 2 realize weight reduction, and then the weight reduction of the front fork is necessarily realized; the reduced weight of the front fork in turn may make the steering operation convenient and flexible.
In order to realize the control of the front wheel brake first trend, a wire harness restraint ring 23 is arranged on one side of the front part of the rotating connecting plate 2, in practical application, a brake wire is sleeved in the wire harness restraint ring 23, further, in order to realize the installation and fixation of the bicycle basket support, a threaded hole 25 is arranged on the front side wall of each inserting hole 21, a bolt on the bicycle basket support is screwed on the corresponding threaded hole 25, and the stable connection of the bicycle basket support and the rotating connecting plate 2 is realized; further, in order to facilitate the rotation limit of the front fork, a steering limit column 26 is disposed on each side of the through hole 21.
In the present invention, the "front" and the "rear" are relative positions used for describing positional relationships, and therefore cannot be interpreted as absolute positions as limitations to the scope of protection.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
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 (5)
1. The front fork structure of the electric bicycle comprises a vertical pipe, a rotating connecting plate and hydraulic damping shock absorbers, wherein the lower portion of the vertical pipe is fixedly sleeved in a through hole formed in the middle of the rotating connecting plate, the upper portions of the shock absorbing pipes of the two hydraulic damping shock absorbers are respectively sleeved and fixed in inserting holes formed in two ends of the rotating connecting plate, and the front fork structure is characterized in that the distance between the central shafts of the two inserting holes is L, L is not less than 120mm and not more than 130mm, and the outer diameter of each shock absorbing pipe is 25mm.
2. The front fork structure of claim 1, wherein a harness restraint ring is disposed on a front side of the pivotal link plate.
3. The front fork structure of claim 2, wherein a threaded hole is formed in a front wall of each of the insertion holes.
4. The front fork structure of an electric bicycle as claimed in claim 2 or 3, wherein two weight-reducing recesses are formed at the lower portion of the pivotal link plate on both sides of the through hole.
5. The front fork structure of claim 4, wherein a steering column is disposed on each side of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224400.3U CN217706132U (en) | 2022-08-23 | 2022-08-23 | Front fork structure of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224400.3U CN217706132U (en) | 2022-08-23 | 2022-08-23 | Front fork structure of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217706132U true CN217706132U (en) | 2022-11-01 |
Family
ID=83786636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222224400.3U Active CN217706132U (en) | 2022-08-23 | 2022-08-23 | Front fork structure of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217706132U (en) |
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2022
- 2022-08-23 CN CN202222224400.3U patent/CN217706132U/en active Active
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