CN216994713U

CN216994713U - Front fork of electric vehicle

Info

Publication number: CN216994713U
Application number: CN202122774235.4U
Authority: CN
Inventors: 张�杰
Original assignee: Tianjin Talang Technology Co ltd
Current assignee: Tianjin Talang Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-07-19
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to an electric vehicle front fork, which comprises a vertical pipe and a damping seat arranged at the bottom of the vertical pipe, wherein two damping columns are arranged at the bottom of the damping seat, damping cylinders are arranged at the bottoms of the damping columns, a first damping spring is sleeved on the damping column between the bottom of the damping seat and the top of the damping cylinder, a connecting rod is arranged between the two damping cylinders, a lubricating component is arranged in the damping cylinder, and an adjusting component is arranged between the connecting rod and the damping seat. The damping device utilizes the first damping spring, the second damping spring and the third damping spring to realize damping in the driving process of the electric vehicle, the lubricating component can lubricate the interior of the damping cylinder, so that the friction position between the damping column and the damping cylinder is lubricated in real time, the service life of the front fork is prolonged, real-time maintenance is realized, and the adjusting component can adjust the distance between the bottom of the damping cylinder and the top of the damping column, so that different vehicle type requirements are met.

Description

Front fork of electric vehicle

Technical Field

The utility model relates to the technical field of electric vehicles, in particular to a front fork of an electric vehicle.

Background

When the electric vehicle runs on a bumpy road, the vehicle body can be subjected to large vibration, so that a rider feels uncomfortable, and in order to reduce the vibration, the electric vehicle is usually damped by adopting a method of installing a damper.

An accessory on an electric vehicle when the electric vehicle is front-fork, two fixed shelves for clamping a front wheel on the electric vehicle are the front fork. The front fork part is positioned at the front part in the structure, the upper end of the front fork part is connected with the handlebar part, and the lower end of the front fork part is matched with the front shaft part to form a guide system of the bicycle. The existing damping front fork generally only adopts one spring to avoid shock, and the shock-proof effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a front fork of an electric vehicle.

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

the front fork of the electric vehicle comprises a vertical pipe and a damping seat arranged at the bottom of the vertical pipe, wherein two damping columns are arranged at the bottom of the damping seat, damping cylinders are arranged at the bottoms of the damping columns, a first damping spring is sleeved on the damping column between the bottom of the damping seat and the top of the damping cylinder, a connecting rod is arranged between the two damping cylinders, a lubricating component is arranged in each damping cylinder, an adjusting component is arranged between each connecting rod and the corresponding damping seat and comprises an adjusting column arranged at the center of the bottom of the damping seat, an adjusting pipe arranged at the bottom of the adjusting column and a third damping spring sleeved on the adjusting column, the bottom of the adjusting column is arranged in the adjusting pipe, the third damping spring is arranged between the bottom of the damping seat and the top of the adjusting pipe, a through hole is formed in the center of the connecting rod, a plurality of limiting holes are uniformly formed in the outer wall of the adjusting pipe from the middle part to the bottom, and each limiting hole consists of two limiting single holes symmetrically arranged along the center of the adjusting pipe, the bottom of the adjusting pipe penetrates through the through hole, and a limiting rod is arranged in a first group of limiting holes below the through hole.

Further, still include the engaging lug, the engaging lug is connected in the shock attenuation bobbin bottom, the mounting hole has been seted up on the engaging lug.

Furthermore, the bottom of the damping column extends into the damping cylinder, the bottom of the damping column is provided with a piston, and the top of the damping cylinder is provided with a stop ring.

Furthermore, the lubricating component is a sponge, and lubricating oil is adsorbed in the sponge.

Furthermore, the lubricating assembly further comprises a mounting plate arranged at the bottom of the sponge and a second damping spring arranged at the bottom of the mounting plate and the inner part of the damping cylinder.

Furthermore, the lateral wall of the damping cylinder is provided with an oil filling hole, and a plug is arranged in the oil filling hole.

Compared with the prior art, the front fork of the electric vehicle has the following beneficial effects:

the damping device utilizes the first damping spring, the second damping spring and the third damping spring to realize damping in the driving process of the electric vehicle, the lubricating component can lubricate the interior of the damping cylinder, so that the friction position between the damping column and the damping cylinder is lubricated in real time, the service life of the front fork is prolonged, real-time maintenance is realized, and the adjusting component can adjust the distance between the bottom of the damping cylinder and the top of the damping column, so that different vehicle type requirements are met.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

the figures are labeled as follows: 1. the damping device comprises a vertical pipe, 2 parts of a damping seat, 3 parts of a damping column, 4 parts of a damping cylinder, 5 parts of a first damping spring, 6 parts of a connecting rod, 7 parts of a connecting lug, 8 parts of a mounting hole, 9 parts of a piston, 10 parts of a stop ring, 11 parts of a sponge, 12 parts of a mounting plate, 13 parts of a second damping spring, 14 parts of an oil filling hole, 15 parts of a plug, 16 parts of an adjusting column, 17 parts of an adjusting pipe, 18 parts of a third damping spring, 19 parts of a limiting single hole and 20 parts of a limiting rod.

Detailed Description

In order that the utility model may be further understood, the utility model will now be described in detail with reference to specific examples.

As shown in fig. 1-2, the front fork of the electric vehicle provided by the utility model comprises a vertical tube 1, a shock absorption seat 2 arranged at the bottom of the vertical tube 1, two shock absorption columns 3 are arranged at the bottom of the shock absorption seat 2, a shock absorption cylinder 4 is arranged at the bottom of each shock absorption column 3, a first damping spring 5 is sleeved on a damping column 3 between the bottom of the damping seat 2 and the top of the damping cylinder 4, a connecting rod 6 is arranged between the two damping cylinders 4, a lubricating component is arranged in the damping cylinder 4, an adjusting component is arranged between the connecting rod 6 and the damping seat 2, the adjusting component comprises an adjusting column 16 arranged at the center of the bottom of the shock absorption seat 2, an adjusting pipe 17 arranged at the bottom of the adjusting column 16, and a third shock absorption spring 18 sleeved on the adjusting column 16, the bottom of the adjusting column 16 is positioned in the adjusting tube 17, and the third damping spring 18 is positioned between the bottom of the damping seat 2 and the top of the adjusting tube 17. The adjusting column 16 can reciprocate in the adjusting tube 17, and the removal in-process can cause the extrusion to third damping spring 18, because third damping spring 18's elastic force effect can cushion the atress, consequently, adjusting part also has the effect of the stress of buffering jolt, further improves the cushioning effect of front fork, the through-hole has been seted up at connecting rod 6 center, the outer wall of adjusting tube 17 has evenly seted up the spacing hole of multiunit, every group by middle part to bottom spacing hole comprises two spacing haplopes 19 along adjusting tube 17 centrosymmetric setting, the through-hole is passed to adjusting tube 17 bottom, and is located the first set of spacing downthehole gag lever post 20 of through-hole below. The limiting single hole 19 is in a threaded hole form, the limiting rod 20 is a threaded rod, the limiting rod 20 is arranged in a first group of limiting holes below the through hole in a threaded manner, the length of the adjusting tube 17 above the connecting rod 6 can be adjusted, the connecting rod 6 moves upwards or downwards during adjustment, the connecting rod 6 can drive the damping cylinder 4 to move upwards or downwards during movement, so that the length of the damping column 3 extending into the damping cylinder 4 is extended or shortened, the first damping spring 5 is compressed or extended, the length of the adjusting tube 17 above the connecting rod 17 is shortened or lengthened during movement of the connecting rod 6, after the adjusting to a proper position, the limiting rod 20 is arranged in the first group of limiting holes below the through hole in a threaded manner, adjustment can be completed, after adjustment is completed, the length of the damping component above the connecting rod 6 and the length from the top of the damping column 3 to the bottom of the damping cylinder 4 are all adjusted, thereby adapting to different frame forms.

The vertical pipe 1 is connected to the top of the shock absorption seat 2, the number of the shock absorption columns 3 is two, the two shock absorption columns 3 are oppositely connected to two ends of the bottom of the shock absorption seat 2, a space for accommodating wheels is reserved between the two shock absorption columns 3, the lower ends of the shock absorption columns 3 are located in the shock absorption cylinders 4, the shock absorption columns 3 are sleeved with first shock absorption springs 5, the first shock absorption springs 5 are located between the bottom of the shock absorption seat 2 and the top of the shock absorption cylinders 4, the left end and the right end of the connecting rod 6 are respectively connected with the two adjacent shock absorption cylinders 4, lubricating components are arranged in the shock absorption cylinders 4, and adjusting components are arranged between the connecting rod 6 and the shock absorption seat 2; when the electric motor car went on the road surface of injustice, jolt that the wheel received transmits on damper cylinder 4, damper cylinder 4 moves up and makes 3 length extensions of shock attenuation post that get into in the damper cylinder 4, first damping spring 5 receives the extrusion, elastic action through first damping spring 5, cushion the atress of jolting, thereby reach buffering shock attenuation effect, lubricated subassembly can lubricate damper cylinder 4 is inside, thereby real-time lubrication shock attenuation post 3 and the friction position between the damper cylinder 4, improve the life of front fork, realize real-time maintenance, distance between damper cylinder 4 bottom and the 3 tops of shock attenuation post can be adjusted to the regulating part, thereby adapt to different motorcycle type demands.

Still include engaging lug 7, engaging lug 7 is connected in 4 bottoms of damper cylinder, mounting hole 8 has been seted up on engaging lug 7. Through mounting hole 8 on engaging lug 7 with electric motor car front fork and electric motor car connected of frame, it is firm to connect, easy operation is swift, and convenient to detach overhauls and changes. Wherein, engaging lug 7 and damper cylinder 4 can adopt integrated into one piece, and integrated into one piece's engaging lug 7 and damper cylinder 4 can reduce the equipment work of electric motor car front fork, and the mass production of being convenient for helps improving production efficiency. Wherein, mounting hole 8 can adopt the form of screw hole, when the installation electric motor car front fork, utilizes the bolt to pass mounting hole 8 and connects frame and engaging lug 7, and the connection effect is good, and easy operation is swift.

The bottom of the shock absorption column 3 extends into the shock absorption cylinder 4, the bottom of the shock absorption column 3 is provided with a piston 9, and the top of the shock absorption cylinder 4 is provided with a stop ring 10. The external diameter of piston 9 is the same with the internal diameter of damper cylinder 4, and the internal diameter of retaining ring 10 is less than the internal diameter of damper cylinder 4 to guarantee that at the buffering in-process, shock attenuation post 3 can not break away from in the damper cylinder 4, ensure that the installation of front fork is stable.

The lubricating component is a sponge 11, and lubricating oil is adsorbed in the sponge 11. Utilize the sponge 11 that adsorbs to have lubricating oil as lubricated subassembly, the shock absorber post 3 moves the in-process and touches sponge 11 in damper cylinder 4, lubricating oil in the sponge 11 can glue 3 bottoms of shock absorber post, and along with reciprocating of shock absorber post 3, glue on 4 inner walls of damper cylinder, thereby realize the real-time lubrication action to 4 insides of damper cylinder, the size of sponge 11 can be selected according to actual need, and sponge 11 still has certain cushioning effect, can further realize the buffering to jolting.

Furthermore, the lubricating assembly further comprises an installation plate 12 arranged at the bottom of the sponge 11 and a second damping spring 13 arranged at the bottom of the installation plate 12 and the inner part of the damping cylinder 4. Install sponge 11 on mounting panel 12 through the bonding mode to at mounting panel 12 bottom installation second damping spring 13, can increase shock attenuation post 3 and touch the probability of sponge 11 at the in-process that reciprocates on the one hand, thereby can realize abundant lubrication, on the other hand, second damping spring 13 can provide further shock attenuation, thereby increases the shock attenuation effect.

The side wall of the shock absorption cylinder 4 is provided with an oil filling hole 14, and a plug 15 is arranged in the oil filling hole 14. The oil filling hole 14 is located above the lubricating component, so that lubricating oil can conveniently drop onto the lubricating component, and a rubber plug can be adopted for the plug 15.

It will be understood by those skilled in the art that the utility model includes any combination of the elements of the foregoing description and the detailed description as well as those illustrated in the drawings, which are meant to be space-limited and not intended to constitute a part of the specification in any way whatsoever, the combination being such that the description is not intended to be exhaustive. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Electric motor car front fork, include the riser, set up in the cushion socket of riser bottom, the cushion socket bottom is equipped with two shock absorber posts, the cushion socket bottom is equipped with the damper cylinder, the cover is equipped with first damping spring, its characterized in that on the cushion socket between cushion socket bottom and the damper cylinder top: two be provided with the connecting rod between the damper cylinder, be equipped with lubricated subassembly in the damper cylinder, be equipped with adjusting part between connecting rod and the damper seat, adjusting part is including installing in the regulation post at damper seat bottom center, installing in the regulating tube of regulating post bottom, the third damping spring on the regulation post is located to the cover, the regulating tube bottom is located the regulating tube, third damping spring is located between damper seat bottom and the regulating tube top, the through-hole has been seted up at the connecting rod center, the regulating tube outer wall has evenly seted up the spacing hole of multiunit by middle part to bottom, every group spacing hole comprises two spacing haplopes along the setting of regulating tube centrosymmetric, the regulating tube bottom passes the through-hole, and is located the first set of spacing downthehole gag lever post of through-hole below.

2. The electric vehicle front fork of claim 1, wherein: still include the engaging lug, the engaging lug is connected in the shock attenuation bobbin bottom, the mounting hole has been seted up on the engaging lug.

3. The electric vehicle front fork of claim 1, wherein: the damping cylinder is characterized in that the bottom of the damping column extends into the damping cylinder, a piston is arranged at the bottom of the damping column, and a blocking ring is arranged at the top of the damping cylinder.

4. The electric vehicle front fork of claim 1, wherein: the lubricating component is a sponge, and lubricating oil is adsorbed in the sponge.

5. The electric vehicle front fork of claim 4, wherein: the lubricating assembly further comprises a mounting plate arranged at the bottom of the sponge and a second damping spring arranged at the bottom of the mounting plate and the inner part of the damping cylinder.

6. The electric vehicle front fork of claim 1, wherein: the lateral wall of the damping cylinder is provided with an oil filling hole, and a plug is arranged in the oil filling hole.