Fourteen-inch double-shoulder damping front fork and electric vehicle

By designing a specially sized dual-shoulder shock-absorbing fork and adjusting the spring stiffness, the problem of poor shock absorption in the past has been solved, improving riding comfort and overall vehicle performance.

CN224045354UActive Publication Date: 2026-03-27武立闯
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The shock absorption of the front fork of the existing 14-inch folding electric bicycle is not good, especially on uneven roads, which affects riding comfort and may cause damage to the vehicle structure. In addition, the shock absorber is not well matched with the frame.

Method used

Design a 14-inch dual-shoulder shock-absorbing fork, including a specific-sized upper shoulder cap, head tube, upper fork stem, lower shoulder cap, lower fork stem, and U-shaped connecting plate. Adjust the spring stiffness using an adjuster to optimize the cushioning and shock absorption effect.

Benefits of technology

It effectively reduces vehicle vibration, improves riding comfort, and enhances the stability and consistency of overall vehicle performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric vehicles, in particular to a fourteen-inch double-shoulder damping front fork and an electric vehicle. Comprising an upper shoulder cover, a head pipe is rotatably arranged in the middle of the bottom of the upper shoulder cover, upper fork vertical pipes are symmetrically arranged at the bottom of the upper shoulder cover, a lower shoulder cover is arranged between the upper fork vertical pipes on the two sides, the lower shoulder cover is rotatably connected with the head pipe to fix the head pipe, lower fork vertical pipes are slidably arranged in the upper fork vertical pipes on the two sides, and the lower fork vertical pipes are connected with the lower shoulder cover. U-shaped connecting plates are symmetrically arranged on the lower fork vertical pipes on the two sides, front fork motor shafts are arranged at the bottoms of the lower fork vertical pipes on the two sides, and disc brake fork hooks are arranged on the front fork motor shafts. By matching with the front fork with the corresponding size, the front fork can be better adapted to a 14-inch vehicle model, so that the vehicle vibration is effectively reduced, and the riding comfort is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle technical field, concretely relates to a fourteen inch double shoulder damping front fork and electric vehicle. BACKGROUND

[0002] With the aggravation of urban traffic congestion and the growth of individual demand for convenient travel tools, folding electric bicycles are favored by more and more consumers due to their portability and flexibility. However, in actual use, due to the complex and changeable road conditions, especially for users who often drive on uneven roads, the front fork damping effect of traditional fourteen inch folding electric bicycles is not good, which not only affects the riding comfort, but also may cause damage to the vehicle structure and shorten the service life.

[0003] Most of the fourteen inch folding electric bicycles on the market currently use simple spring or oil pressure damping systems. Although these systems can alleviate the vibration to some extent, their damping efficiency is limited, especially when facing continuous bumps or high-speed driving. In addition, the existing damping design often fails to fully consider the special structure and weight distribution characteristics of the folding frame, resulting in low overall matching degree of the damper and the vehicle body, affecting the stability and consistency of the overall vehicle performance. SUMMARY

[0004] The utility model aims at providing a fourteen inch double shoulder damping front fork and electric vehicle to solve the problems of poor damping effect and low overall matching degree of the existing size.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A fourteen inch double shoulder damping front fork and electric vehicle is provided, which includes an upper shoulder cover, a head tube is rotatably arranged at the middle of the bottom of the upper shoulder cover, upper fork vertical pipes are symmetrically arranged at the bottom of the upper shoulder cover, a lower shoulder cover is arranged between the two upper fork vertical pipes, the lower shoulder cover is rotatably connected with the head tube to fix the head tube, lower fork vertical pipes are slidably arranged in the two upper fork vertical pipes, U-shaped connecting plates are symmetrically arranged on the two lower fork vertical pipes, front fork motor shafts are arranged at the bottom of the two lower fork vertical pipes, and disc brake fork hooks are arranged on the front fork motor shafts.

[0007] As a preferred solution of the fourteen inch double shoulder damping front fork and electric vehicle, the thickness of the upper shoulder cover is 10mm-20mm, the height of the head tube is 80mm-110mm, the thickness of the lower shoulder cover is 20mm-35mm, the outer diameter of the upper shoulder cover and the lower shoulder cover is 125mm-135mm, and the distance between the two upper fork vertical pipes is 65mm-75mm.

[0008] As a preferred solution of the fourteen-inch double-shoulder damping front fork and electric vehicle, the diameter of the upper fork stand pipe is 27mm-29mm, the diameter of the lower fork stand pipe is 28.6mm-33mm, and the distance between the two lower fork stand pipes is 60mm-70mm.

[0009] As a preferred solution of the fourteen-inch double-shoulder damping front fork and electric vehicle, the two U-shaped connecting plates overlap each other at the middle positions, and the width of the two U-shaped connecting plates is 65.6mm, and the height is 91.6mm-91.7mm, and the overlapping positions of the two U-shaped connecting plates are provided with spiral holes, the diameter of the spiral hole is 5.9mm-7mm, and the depth of the spiral hole is 4.5mm-6.5mm.

[0010] The embodiment of the application further provides an electric vehicle, which comprises a vehicle body and the fourteen-inch double-shoulder damping front fork according to any one of the above.

[0011] The fourteen-inch double-shoulder damping front fork and electric vehicle have the advantages that by matching the front fork with corresponding size, the fourteen-inch vehicle model can be better adapted, so that the vehicle vibration is effectively reduced, and the riding comfort is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiment of the application, the drawings needed to be used in the embodiment of the application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0013] Figure 1 is a three-dimensional structural schematic view of the fourteen-inch double-shoulder damping front fork and electric vehicle according to the embodiment of the application.

[0014] Figure 2 is a partial three-dimensional structural schematic view of the fourteen-inch double-shoulder damping front fork and electric vehicle according to the embodiment of the application.

[0015] In the drawings:

[0016] 1, upper shoulder cover; 2, head tube; 3, upper fork stand pipe; 4, lower shoulder cover; 5, lower fork stand pipe; 6, U-shaped connecting plate; 7, front fork motor shaft; 8, disc brake fork hook. DETAILED DESCRIPTION

[0017] The technical scheme of the application will be further described below by combining the drawings and through specific embodiments.

[0018] Among them, the drawings are only used for example, the representation is only a schematic diagram, and not a physical diagram, and cannot be understood as a limitation on the patent; in order to better illustrate the embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures in the drawings and their descriptions may be omitted.

[0019] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for example, and cannot be understood as a limitation on the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0020] In the description of the utility model, unless otherwise explicitly specified and limited, if the term "connection" and the like appear to indicate the connection relationship between components, the term should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] As shown in Figure 1 and Figure 2 The utility model provides a technical scheme: a fourteen-inch double-shoulder damping front fork and electric motor car, including upper shoulder cover 1, upper shoulder cover 1 bottom rear side intermediate rotatoryly installed with a head tube 2, upper shoulder cover 1 bottom left and right sides each is installed with one upper fork vertical tube 3, and one lower shoulder cover 4 is installed between both sides upper fork vertical tube 3, and the lower shoulder cover 4 top rear side is rotatoryly connected with the head tube 2 bottom, and the lower shoulder cover 4 is fixed on the upper fork vertical tube 3 through screw, and the head tube 2 is further fixed, the lower side of both sides upper fork vertical tube 3 is slidably installed with one lower fork vertical tube 5, and the spring is arranged between the inside of both sides upper fork vertical tube 3 and both sides lower fork vertical tube 5, and the adjuster is arranged on the top of both sides upper fork vertical tube 3, the hardness of the spring in both sides upper fork vertical tube 3 can be adjusted according to the use demand, and the effect of buffering and damping is adjusted, one U-shaped connecting plate 6 is symmetrically installed on the front upper part of both sides lower fork vertical tube 5, one front fork motor shaft 7 is installed on the bottom front side of both sides lower fork vertical tube 5, and one disc brake fork hook 8 is installed on the right front fork motor shaft 7.

[0022] AsFigure 2 As shown, the thickness of the upper shoulder cap 1 is 10mm-20mm, the height of the head tube 2 is 80mm-110mm, the thickness of the lower shoulder cap 4 is 20mm-35mm, the outer diameter of both the upper shoulder cap 1 and the lower shoulder cap 4 is 125mm-135mm, the distance between the two upper fork risers 3 is 65mm-75mm, the diameter of the upper fork riser 3 is 27mm-29mm, the diameter of the lower fork riser 5 is 28.6mm-33mm, and the distance between the two lower fork risers 5 is 60mm-70mm.

[0023] like Figure 2 As shown, the two U-shaped connecting plates 6 overlap each other in the middle, and both U-shaped connecting plates 6 are 65.6mm wide and 91.6mm-91.7mm high. A spiral hole is opened in the middle of the overlapping part of the two U-shaped connecting plates 6. The diameter of the spiral hole is 5.9mm-7mm and the depth of the spiral hole is 4.5mm-6.5mm. The bottom of the front fork motor shaft 7 is provided with an opening hole. The opening hole diameter of the front fork motor shaft 7 is 9.8mm-11mm. The disc brake fork hook 8 locking opening is provided with a locking opening. The locking opening diameter of the disc brake fork hook 8 is 3mm-8mm.

[0024] Working principle: When in use, install the two upper fork stem tubes 3 on the upper shoulder cover 1 respectively, and then install the lower shoulder cover 4 on the upper fork stem tube 3 from the bottom. After snapping the head tube 2 in place, lock the lower shoulder cover 4. At this time, install the U-shaped connecting plate 6 on the lower fork stem tube 5 respectively. Then fix the disc brake fork hook 8 on the front fork motor shaft 7. Finally, install the upper fork stem tube 3 inside the lower fork stem tube 5.

[0025] This application also discloses an electric vehicle, including a body and the 14-inch dual-shoulder shock-absorbing front fork described in the foregoing embodiments. This electric vehicle incorporates the same structure and beneficial effects as the 14-inch dual-shoulder shock-absorbing front fork described in the foregoing embodiments. The structure and beneficial effects of the 14-inch dual-shoulder shock-absorbing front fork have been described in detail in the foregoing embodiments and will not be repeated here.

[0026] It should be stated that the above-described specific embodiments are merely preferred embodiments of this utility model and the technical principles employed. Those skilled in the art should understand that various modifications, equivalent substitutions, and variations can be made to this utility model. However, such variations, as long as they do not depart from the spirit of this utility model, should be within the protection scope of this utility model. Furthermore, some terminology used in this application specification and claims is not limiting, but merely for ease of description.

Claims

1. A fourteen inch dual shoulder shock absorbing front fork characterized by, The utility model provides a fourteen inch double shoulder shock absorbing fork, comprising an upper shoulder cover (1), a head pipe (2) rotatably arranged in the middle of the bottom of the upper shoulder cover (1), upper fork vertical pipes (3) symmetrically arranged on the bottom of the upper shoulder cover (1), a lower shoulder cover (4) arranged between the two upper fork vertical pipes (3), the lower shoulder cover (4) being rotatably connected with the head pipe (2) to fix the head pipe (2), lower fork vertical pipes (5) slidably arranged in the two upper fork vertical pipes (3), U-shaped connecting plates (6) symmetrically arranged on the two lower fork vertical pipes (5), front fork motor shafts (7) arranged at the bottom of the two lower fork vertical pipes (5), and disc brake fork hooks (8) arranged on the front fork motor shafts (7).

2. The 14-inch dual-shock front fork of claim 1, wherein, The thickness of the upper shoulder cover (1) is 10-20 mm, the height of the head pipe (2) is 80-110 mm, the thickness of the lower shoulder cover (4) is 20-35 mm, the outer diameter of the upper shoulder cover (1) and the lower shoulder cover (4) is 125-135 mm, and the distance between the two upper fork vertical pipes (3) is 65-75 mm.

3. The 14-inch dual-shock front fork of claim 1, wherein, The pipe diameter of the upper fork vertical pipe (3) is 27-29 mm, the pipe diameter of the lower fork vertical pipe (5) is 28.6-33 mm, and the distance between the two lower fork vertical pipes (5) is 60-70 mm.

4. The fourteen-inch dual-suspension front fork of claim 1, wherein, The two U-shaped connecting plates (6) overlap each other at the middle position, the width of the two U-shaped connecting plates (6) is 65.6 mm, the height of the two U-shaped connecting plates (6) is 91.6-91.7 mm, the overlapping position of the two U-shaped connecting plates (6) is provided with a spiral hole, the hole diameter of the spiral hole is 5.9-7 mm, and the depth of the spiral hole is 4.5-6.5 mm.

5. The fourteen-inch dual-suspension front fork of claim 1, wherein, The opening diameter of the front fork motor shaft (7) is 9.8-11 mm, and the locking opening of the disc brake fork hook (8) is 3-8 mm.

6. An electric vehicle characterized by comprising: The utility model provides a fourteen inch double shoulder shock absorbing fork, comprising a vehicle body and the fourteen inch double shoulder shock absorbing fork according to any one of claims 1-5.