CN219728449U - Front fork damping device of permanent magnet suspension type electric vehicle - Google Patents

Abstract

The utility model discloses a front fork damping device of a permanent magnet suspension type electric vehicle, which comprises a front fork handle assembly, a front fork shoulder and a damping assembly, wherein the front fork handle assembly and the front fork shoulder are detachably connected, the damping assembly is respectively arranged at the left end and the right end of the front fork shoulder, and the damping assembly comprises a T-shaped damping rod, a damping cylinder, a spring, a push rod, a first permanent magnet and a second permanent magnet. Through setting up first permanent magnet and second permanent magnet, when the bumper shock absorber receives the downward compression spring of ground impact force, extrudeed the push rod downwards simultaneously, because first permanent magnet and second permanent magnet magnetic pole are the same, so the push rod gives first permanent magnet ascending repulsion force when extrudeing first permanent magnet downwards, and the second permanent magnet for the shock attenuation effect is better.

Description

Front fork damping device of permanent magnet suspension type electric vehicle

Technical Field

The utility model relates to the technical field of front fork damping of an electric vehicle, in particular to a permanent magnet suspension type front fork damping device of the electric vehicle.

Background

The shock absorber is used for inhibiting vibration and impact from a road surface when the spring rebounds after absorbing vibration, and the shock absorber for the electric vehicle accelerates the damping of the vibration of the frame and the vehicle body in the using process so as to improve the running smoothness of the electric vehicle, and plays an important role in the overall safety and comfort of the electric vehicle in the using process.

The conventional electric vehicle shock absorber usually adopts a spring for shock absorption, but only the impact force of road surface vibration is absorbed by the spring, so that the service life of the spring is short, the spring is easy to change, and the shock absorption effect is poor.

Disclosure of Invention

The utility model aims to: the problem of only absorb the impact force that the road surface was oscillated with the spring and lead to the shock attenuation effect not good, the spring life-span is short, variability is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the front fork damping device of the permanent magnet suspension type electric vehicle comprises a front fork handle assembly, a front fork shoulder and a damping assembly, wherein the front fork handle assembly is detachably connected with the front fork shoulder, and the damping assembly is respectively arranged at the left end and the right end of the front fork shoulder;

the buffer assembly comprises a T-shaped buffer rod, a buffer cylinder, a spring, a push rod, a first permanent magnet and a second permanent magnet, wherein the upper end of the T-shaped buffer rod is fixedly connected with a front fork shoulder, the buffer cylinder is sleeved outside the T-shaped end of the buffer rod, the upper end of the push rod is fixedly connected with the T-shaped buffer rod, the spring is sleeved outside the push rod, the permanent magnet buffer cavity is arranged below the push rod, the first permanent magnet is fixedly connected with the lower end of the push rod and is arranged inside the permanent magnet buffer cavity, and the second permanent magnet is arranged at the bottom of the permanent magnet buffer cavity.

Further, the first permanent magnet and the second permanent magnet have the same magnetic poles.

Further, the front fork handle assembly comprises a front fork handle, a first guard plate and a second guard plate, eight strip-shaped protruding portions are uniformly arranged on the middle of the front fork handle in a ring mode, threads are arranged at the upper end and the lower end of each protruding portion of the front fork handle, the first guard plate and the second guard plate are respectively arranged at the upper end and the lower end of each protruding portion of the front fork handle, and the upper portion and the lower portion of each first guard plate and the lower portion of each second guard plate are respectively fixed through bolts.

Further, the first guard plate and the second guard plate are made of rubber materials;

by adopting the guard board made of rubber materials, the abrasion of the two ends of the protruding part of the front fork handle can be reduced.

Furthermore, a through hole is formed in the middle of the front fork shoulder, a groove is formed in the through hole, and the groove can be meshed with the protruding portion on the front fork handle.

Further, a Qu Xinggan is mounted on the lower part of the front fork assembly;

through setting up curved pole, prevent that the bumper shock absorber from outwards expanding when receiving the effect of force and taking place deformation.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up first permanent magnet and second permanent magnet, when the bumper shock absorber receives the downward compression spring of ground impact force, extrudeed the push rod downwards simultaneously, because first permanent magnet is the same with the second permanent magnet magnetic pole, so the push rod gives first permanent magnet ascending repulsion force when extrudeing first permanent magnet downwards, makes the shock attenuation effect better, reduces the spring deformation degree.

2. Through set up bellying and silica gel backplate on the front fork handle, when the front fork handle took place to rotate, because the recess meshing in seting up the through-hole on bellying and the front fork shoulder, the front fork handle can drive the front fork shoulder better and rotate, the setting of silica gel backplate can prevent wearing and tearing between bellying and the bolt.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the cushioning assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the front fork handle assembly of the present utility model;

fig. 4 is a partial top view of the present utility model.

In the figure: 1. a front fork handle; 2. a front fork shoulder; 3. a T-shaped buffer rod; 4. a buffer tube; 5. a spring; 6. a push rod; 7. a first permanent magnet; 8. a second permanent magnet; 9. a permanent magnet buffer chamber; 10. a first guard plate; 11. a bolt; 12. a second guard plate; 13. a curved rod; 17. a groove; 18. a boss.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

The applicant believes that in the prior art, the shock absorbing effect is poor easily due to the fact that the impact force of road surface vibration is absorbed only by the springs, the service lives of the springs are short, and the springs are easy to deform.

For this purpose, the applicant designs a permanent magnet suspension type electric vehicle front fork damping device as shown in fig. 1-4, which comprises a front fork handle assembly, a front fork shoulder 2 and a damping assembly, wherein the front fork handle assembly and the front fork shoulder are detachably connected, and the damping assembly is respectively arranged at the left end and the right end of the front fork shoulder 2;

as shown in fig. 1-2, the buffer assembly comprises a T-shaped buffer rod 3, a buffer cylinder 4, a spring 5, a push rod 6, a first permanent magnet 7 and a second permanent magnet 8, wherein the upper end of the T-shaped buffer rod 3 is fixedly connected with a front fork shoulder 2, the buffer cylinder is sleeved outside the T-shaped end of the T-shaped buffer rod 3, the upper end of the push rod 6 is fixedly connected with the T-shaped buffer rod 3, the spring 5 is sleeved outside the push rod 6, a permanent magnet buffer cavity 9 is arranged below the push rod 6, the first permanent magnet 7 is fixedly connected with the lower end of the push rod 6 and is arranged inside the permanent magnet buffer cavity 9, the second permanent magnet 8 is arranged at the bottom of the permanent magnet buffer cavity 9, and the magnetic poles of the first permanent magnet 7 and the second permanent magnet 8 are identical;

by improving the buffer assembly, the first permanent magnet 7 and the second permanent magnet 8 are additionally arranged at the lower end of the spring in the prior art, when the spring 5 is compressed by impact force, the push rod pushes the first permanent magnet 7 to move downwards, and as the two permanent magnets are the same magnetic poles, the first permanent magnet 7 can be subjected to the upward repulsive force of the second permanent magnet 8 when moving downwards, so that the buffer force is increased.

As shown in fig. 2-3, the front fork handle assembly comprises a front fork handle 1, a first guard board 10 and a second guard board 12, wherein eight strip-shaped protruding parts 18 are uniformly arranged in the middle of the front fork handle 1 in a surrounding manner, the upper end and the lower end of the front fork handle 1 are both threaded, the first guard board 10 and the second guard board 12 are respectively arranged at the upper end and the lower end of the protruding parts 18, and the upper part and the lower part of the first guard board 10 and the lower part of the second guard board 12 are respectively fixed through bolts;

the first guard plate 10 and the second guard plate 12 are made of rubber materials;

by using a rubber guard plate, wear on both ends of the boss 18 can be reduced.

A through hole is formed in the middle of the front fork shoulder 2, a groove 17 is formed in the through hole, and the groove 17 can be meshed with a boss 18 on the front fork handle 1;

by providing the protrusion 18 on the front fork handle 1 and engaging it with the groove 17 of the through hole on the front fork shoulder 2, the front fork handle 1 can drive the front fork shoulder 2 to rotate when the front fork handle 1 rotates.

The lower part of the front fork assembly is fixedly provided with a curved rod 13 through a bolt, so that the shock absorber is prevented from being deformed by outward expansion when being acted on by force, and the curved rod 13 is also provided with a mounting hole for mounting a mud guard.

When the buffer rod is used, the front fork handle is driven downwards by external impact force and simultaneously drives the front fork shoulder to compress the buffer rod, so that the buffer rod compresses the spring to move downwards;

when the front fork handle rotates, as the protruding part meshed with the through hole inner groove of the front fork shoulder is arranged on the front fork handle, the front fork shoulder and the buffer components fixedly connected with the left end and the right end of the front fork shoulder can rotate in the same direction at the same time, the front fork handle and the front fork shoulder are fixed through the first guard plate and the second guard plate which are made of rubber materials and the bolts, so that the front fork handle is convenient to detach, and the abrasion of the protruding part can be reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a permanent magnet suspension type electric vehicle front fork damping device, includes front fork handle subassembly, front fork shoulder (2) and buffering subassembly, front fork handle subassembly and front fork shoulder can dismantle the connection, buffering subassembly installs respectively in the left and right sides both ends of front fork shoulder (2), its characterized in that, buffering subassembly includes T buffer rod (3), buffer tube (4), spring (5), push rod (6), first permanent magnet (7) and second permanent magnet (8);

the upper end of the T-shaped buffer rod (3) is fixedly connected with the front fork shoulder (2);

the buffer cylinder is sleeved outside the T-shaped end of the T-shaped buffer rod (3);

the upper end of the push rod (6) is fixedly connected with the T-shaped buffer rod (3);

the spring (5) is sleeved outside the push rod (6), and a permanent magnet buffer cavity is arranged below the push rod (6);

the first permanent magnet (7) is fixedly connected with the lower end of the push rod (6) and is arranged in the permanent magnet buffer cavity (9), and the second permanent magnet (8) is arranged at the bottom of the permanent magnet buffer cavity.

2. The front fork damping device of a permanent magnet suspension type electric vehicle according to claim 1, characterized in that the first permanent magnet (7) and the second permanent magnet (8) have the same magnetic poles.

3. The front fork damping device of the permanent magnet suspension type electric vehicle according to claim 1, wherein the front fork handle assembly comprises a front fork handle (1), a first guard plate (10) and a second guard plate (12), eight protruding portions (18) are uniformly arranged at the middle position of the front fork handle (1) in a ring mode, threads are arranged at the upper end and the lower end of the front fork handle (1), the first guard plate (10) and the second guard plate (12) are respectively arranged at the upper end and the lower end of the protruding portions of the front fork handle (1), and the upper portion and the lower portion of the first guard plate (10) and the lower portion of the second guard plate (12) are respectively fixed through bolts.

4. A permanent magnet suspended electric vehicle front fork damping device according to claim 3, characterized in that the first guard plate (10) and the second guard plate (12) are made of rubber.

5. The front fork damping device of the permanent magnet suspension type electric vehicle according to claim 1, wherein a through hole is formed in the middle of the front fork shoulder (2), a groove (17) is formed in the through hole, and the groove (17) can be meshed with a protruding portion (18) on the front fork handle (1).

6. A permanent magnet suspended electric vehicle front fork shock absorber according to claim 1, wherein the shock absorber assembly is provided with a Qu Xinggan (13) at the lower part.