CN216783734U - Electric bicycle front fork shock-absorbing structure - Google Patents

Abstract

The utility model discloses a front fork damping structure of an electric bicycle, which comprises: the front fork frame comprises a front fork main pipe, a connecting bridge pipe and front fork branch pipes, wherein one end of the front fork main pipe is connected with the connecting bridge pipe, and two ends of the connecting bridge pipe are connected with the two front fork branch pipes; the front fork sleeve is sleeved outside the front fork branch pipe; damping component, damping component include damping spring, lead screw and screw cap, and damping spring sets up inside the front fork cover pipe, and the front fork divides the pipe to offset with the damping spring tip, and the screw cap setting divides the pipe to insert at the sheathed tube end opening of front fork, lead screw by the front fork, the head card of lead screw divides the end opening of pipe in the front fork, and the pole portion of lead screw stretches into inside damping spring and screws with the screw cap. The utility model has simple structure, reasonable design, convenient use and quick installation.

Description

Electric bicycle front fork shock-absorbing structure

Technical Field

The utility model relates to the technical field of front forks of electric bicycles, in particular to a shock absorption structure of a front fork of an electric bicycle.

Background

Electric bicycles and electric bicycles on the market are generally provided with damping devices on a front fork frame, and the damping devices have the function of buffering vibration caused by uneven ground, wherein the damping devices comprise damping springs, and the damping springs are compressed and reset to realize buffering and damping; however, the structure of the shock absorbing device in the prior art is relatively complex and is inconvenient to use and install, so the applicant proposes to improve the structure of the shock absorbing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a front fork damping structure of an electric bicycle, aiming at the defects of the prior art.

In order to realize the purpose, the utility model adopts the following technical scheme:

an electric bicycle front fork shock-absorbing structure comprising:

the front fork frame comprises a front fork main pipe, a connecting bridge pipe and front fork branch pipes, wherein one end of the front fork main pipe is connected with the connecting bridge pipe, and two ends of the connecting bridge pipe are connected with the two front fork branch pipes;

the front fork sleeve is sleeved outside the front fork branch pipe;

damping component, damping component includes damping spring, lead screw and screw cap, damping spring sets up at the front fork cover intraduct, the front fork divides the pipe to offset with the damping spring tip, the screw cap sets up at the sheathed tube end mouth of front fork, the lead screw divides the pipe to insert by the front fork, the head card of lead screw divides the end mouth of managing at the front fork, the pole portion of lead screw stretches into inside and screw with the screw cap of damping spring.

Preferably, the screw cap comprises a cap body and a mounting convex edge, one end of the cap body is connected with the mounting convex edge, a guide inclined plane is arranged on the inner side of the other end of the cap body, and the guide inclined plane is connected with the inner thread of the cap body.

Preferably, the front fork main pipe is from the middle lower end to the tail end connected with the connecting bridge pipe, and the thickness of the inner wall of the front fork main pipe is larger than that of the inner wall of the middle upper end.

Preferably, the middle part of the connecting bridge pipe is provided with a first through hole, and the front fork main pipe is inserted in the first through hole;

two ends of the connecting bridge pipe are provided with a second through hole, the front fork branch pipe is inserted into the lower port of the second through hole, and the upper port of the second through hole is buckled with a blocking cover.

Preferably, the outer wall of the first through hole is provided with a limiting ring, and two sides of the limiting ring are provided with limiting pieces.

Preferably, a reflector is arranged on the outer side of the front fork sleeve.

The utility model has the beneficial effects that:

the utility model relates to a front fork shock absorption structure of an electric bicycle, which has simple structure and reasonable design, wherein a shock absorption assembly comprises a shock absorption spring, a screw rod and a screw cap, the screw cap is arranged at the tail end port of a front fork sleeve, the shock absorption spring is arranged between a front fork branch pipe and the front fork sleeve, the screw rod passes through the shock absorption spring and is matched with the screw cap to connect the front fork branch pipe with the front fork sleeve, the tail end port of the front fork branch pipe blocks the head of the screw rod to prevent the screw rod from being separated from the front fork branch pipe due to the removal of the screw rod from the front fork branch pipe, when the bicycle is ridden, the front fork branch pipe and the front fork sleeve slide relatively, the shock absorption spring can be contracted by the pressure of the front fork branch pipe or the front fork sleeve to further buffer shock, the pressure of the front fork branch pipe or the front fork sleeve disappears when the ground is flat, and the shock absorption spring returns to be in a copy shape, thus the shock absorption assembly well realizes the shock absorption effect, and the screw rod is in threaded connection with the screw cap, so that the shock absorption assembly is convenient and quick to disassemble and assemble, and time and labor are saved.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the assembled state of the overall structure of the present embodiment;

FIG. 2 is a structural diagram illustrating a split state in the present embodiment;

FIG. 3 is a schematic structural diagram of the screw cap of the present embodiment;

FIG. 4 is a sectional view showing the structure of the screw cap according to the present embodiment;

fig. 5 is a structural sectional view of the front fork main tube of the present embodiment.

In the figure:

100-front fork; 110-front fork main tube;

120-connecting bridge pipes; 121-a first through hole; 122-via two;

130-front fork branch pipe;

200-a front fork sleeve;

300-a shock absorbing assembly; 310-a shock absorbing spring;

320-a lead screw;

330-screw cap; 331-a cap body; 332-mounting a ledge;

333-guide inclined plane;

400-blocking the cover;

500-a spacing ring; 510-a limiting sheet;

600-a reflector.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments; in the following description, specific details are provided, such as specific configurations and components, merely to facilitate a thorough understanding of embodiments of the utility model. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the utility model. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Fig. 1-5 show a front fork shock-absorbing structure of an electric bicycle provided in this embodiment, including: the front fork 100 comprises a front fork main pipe 110, a connecting bridge pipe 120 and front fork branch pipes 130, wherein the middle part of the connecting bridge pipe 120 is provided with a first through hole 121, the lower end of the front fork main pipe 110 is inserted into the first through hole 121 and is connected with the connecting bridge pipe 120, the two ends of the connecting bridge pipe 120 are provided with second through holes 122, and the two front fork branch pipes 130 are inserted into the lower ports of the second through holes 122; the front fork sleeve 200 is sleeved outside the front fork branch pipe 130, the front fork branch pipe 130 and the front fork branch pipe can slide relative to each other under stress, and the damping assembly 300 is installed in the front fork 100; wherein, the top outside of front fork main pipe 110 is equipped with the external screw thread, and is in the same place through a bowl group with the head tube of electric bicycle frame, and front fork sleeve 200 is used for installing the electric bicycle front wheel, and the effect of damper assembly 300 is when riding the jolt that the buffering ground is uneven brings.

Further, the shock absorbing assembly 300 includes a shock absorbing spring 310, a screw rod 320 and a screw cap 330, the shock absorbing spring 310 is disposed inside the front fork sleeve 200, the front fork branch tube 130 abuts against an end of the shock absorbing spring 310, the screw cap 330 is disposed at a distal end port of the front fork sleeve 200, the screw rod 320 is inserted from the front fork branch tube 130, a head of the screw rod 320 is clamped at the distal end port of the front fork branch tube 130, and a rod portion of the screw rod 320 extends into the shock absorbing spring 310 and is screwed with the screw cap 330. Specifically, the screw 320 and the screw cap 330 are installed in a matching manner to connect the front fork branch tube 130 with the front fork sleeve 200, the end opening of the front fork branch tube 130 blocks the head of the screw 320, so that the situation that the screw 320 moves out of the front fork branch tube 130 to cause the front fork branch tube 130 to be separated from the front fork sleeve 200 is avoided, the damping spring 310 is installed between the front fork branch tube 130 and the front fork sleeve 200, when the riding ground is uneven, the front fork branch tube 130 and the front fork sleeve 200 slide relatively, the damping spring 310 can contract under the pressure of the front fork branch tube 130 or the front fork sleeve 200 to buffer the vibration, when the ground is flat, the pressure of the front fork branch tube 130 or the front fork sleeve 200 disappears, and the damping spring 310 recovers the original shape, so that the damping assembly 300 well achieves the damping effect.

Further, the screw cap 330 includes a cap body 331 and an installation convex edge 332, one end of the cap body 331 is connected to the installation convex edge 332, a guide inclined plane 333 is arranged on the inner side of the other end of the cap body 331, the guide inclined plane 333 is connected to the inner thread of the cap body 331, the tail end of the screw rod 320 is provided with an outer thread matched with the outer thread of the cap body 331, and the guide inclined plane 333 is used for guiding the screw rod 320 to enter the cap body 331 more quickly and accurately to be matched and connected with the screw rod.

Furthermore, the front fork main pipe 110 is from the middle lower end to the end connected with the connecting bridge pipe 120, the thickness of the inner wall of the front fork main pipe 110 is larger than that of the inner wall of the middle upper end, the inner wall of the middle lower end of the front fork main pipe 110 is thickened, the front fork main pipe 110 is higher in strength, and is not easy to deform or break after being impacted, and the service life is longer.

Further, the front fork sleeve 200 is still provided with the oil blanket at the junction with the front fork extension 130, can inject lubricating oil in the front fork extension 130 through the second 122 of through-hole of connecting bridge pipe 120 to guarantee that slidable relatively between front fork sleeve 200 and the front fork extension 130, and establish blanking cover 400 at the last port of the second 122 of through-hole, for avoid dust to get into the front fork extension 130, influence the lubricated effect of lubricating oil.

Further, the welding has spacing collar 500 on the outer wall of through-hole 121, and spacing piece 510 has been linked up to spacing collar 500 both sides for inject the rotation angle of electric bicycle handlebar, be provided with the dog on the head tube of the electric bicycle frame that is connected with front fork person in charge 110, electric bicycle handlebar reciprocating rotation is to certain angle after, spacing piece 510 is blockked by the dog, avoids the handlebar to rotate excessively to lead to riding passerby to fall down.

Furthermore, the reflector 600 is arranged on the outer side of the front fork sleeve 200, so that light can be reflected when the bicycle is ridden at night, the bicycle can be found by opposite vehicles more easily, and the bicycle is safer to ride.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.

Claims (6)

1. The utility model provides an electric bicycle front fork shock-absorbing structure which characterized in that includes:

the front fork (100) comprises a front fork main pipe (110), a connecting bridge pipe (120) and front fork branch pipes (130), one end of the front fork main pipe (110) is connected with the connecting bridge pipe (120), and two ends of the connecting bridge pipe (120) are connected with the two front fork branch pipes (130);

the front fork sleeve (200) is sleeved outside the front fork branch pipe (130);

shock-absorbing component (300), shock-absorbing component (300) are including damping spring (310), lead screw (320) and screw cap (330), damping spring (310) set up inside front fork sleeve pipe (200), the front fork divides pipe (130) and offsets with damping spring (310) tip, screw cap (330) set up the end mouth at front fork sleeve pipe (200), insert by front fork branch pipe (130) lead screw (320), the head card of lead screw (320) divides the end mouth of pipe (130) at the front fork, the pole portion of lead screw (320) stretches into inside and the screw cap (330) of damping spring (310) and screws.

2. The electric bicycle front fork shock absorption structure of claim 1, wherein the screw cap (330) comprises a cap body (331) and a mounting flange (332), one end of the cap body (331) is connected with the mounting flange (332), a guiding inclined surface (333) is arranged at the inner side of the other end of the cap body (331), and the guiding inclined surface (333) is connected with the internal thread of the cap body (331).

3. The electric bicycle fork shock absorbing structure of claim 2, wherein the front fork main tube (110) has an inner wall with an increased thickness from a middle lower end to an end connected to the bridge tube (120).

4. The electric bicycle front fork shock absorption structure according to claim 3, wherein a first through hole (121) is formed in the middle of the connecting bridge pipe (120), and the front fork main pipe (110) is inserted into the first through hole (121);

two ends of the connecting bridge pipe (120) are provided with a second through hole (122), the front fork branch pipe (130) is inserted into the lower port of the second through hole (122), and the upper port of the second through hole (122) is buckled with a blocking cover (400).

5. The electric bicycle front fork shock absorption structure according to claim 4, wherein the outer wall of the first through hole (121) is provided with a limiting ring (500), and limiting pieces (510) are arranged on two sides of the limiting ring (500).

6. The front fork shock absorbing structure of claim 5, wherein a reflector (600) is disposed outside the front fork sleeve (200).

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