CN219215274U

CN219215274U - Front fork shock absorber of electric vehicle

Info

Publication number: CN219215274U
Application number: CN202223326758.3U
Authority: CN
Inventors: 周劲松
Original assignee: Wuxi Hansenyuan Machinery Co ltd
Current assignee: Wuxi Hansenyuan Machinery Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-20
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of shock absorbers, in particular to a front fork shock absorber of an electric vehicle, aiming at the problems that the damping force of the existing front fork hydraulic damping shock absorber of the electric vehicle cannot be adjusted, the damping effect of different driving groups on the shock absorber is different, and the inside of hydraulic oil of the front fork shock absorber contains metal fragments after long-time use and influences the service life.

Description

Front fork shock absorber of electric vehicle

Technical Field

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

Background

The front fork part is positioned at the front part in the structure of the new energy electric vehicle, and the lower end of the front fork of the new energy electric vehicle is connected with the wheels through the shock absorber, so that the driving and riding comfort of the new energy electric vehicle is improved.

In the prior art, the damping force of the hydraulic damping shock absorber of the front fork of the new energy electric vehicle cannot be adjusted, and different driving crowds have differences in the damping effect of the shock absorber, and the front fork shock absorber contains metal chips in hydraulic oil after long-time use, so that the service life is influenced, and therefore, the front fork shock absorber of the electric vehicle is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the problems that the damping force of a hydraulic damping shock absorber of an electric front fork cannot be adjusted, different driving groups have different damping effects on the shock absorber, and the hydraulic oil of the front fork shock absorber contains metal fragments after long-time use, so that the service life is influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an electric motor car front fork bumper shock absorber, includes the seat, the outer wall fixedly connected with front fork riser of seat, the bottom fixedly connected with piston ring of front fork riser, the outer wall slip cap of piston ring is equipped with the piston pipe, the spring has been placed to the inside of piston pipe, the top of spring and the outer wall fixed connection of piston ring, the inside of front fork riser is equipped with guiding mechanism.

Preferably, the guiding mechanism comprises a first circular block, the inner wall of the front fork vertical pipe is fixedly connected with the outer wall of the first circular block, a plurality of first through holes are uniformly formed in the outer wall of the first circular block, a plurality of second through holes are uniformly formed in the inner wall of the front fork vertical pipe in a sliding mode, a first circular filter screen and a second circular filter screen are fixedly connected to the outer wall of the second circular block, a fixed ring is fixedly connected to the outer wall of the second circular filter screen, a circular rod is fixedly connected to the outer wall of the fixed ring, and a rotating block is fixedly connected to the top of the circular rod.

Preferably, the inner wall sliding connection of piston tube has the sealing washer, the outer wall threaded connection of piston tube has the seal cover, carries out the position fixing to sealing washer and rubber ring through setting up the seal cover, prevents that hydraulic oil from leaking.

Preferably, the inner wall of the sealing sleeve is fixedly connected with a rubber ring, and the outer wall of the rubber ring is contacted with the outer wall of the sealing ring.

Preferably, the outer wall fixed sleeve of round bar is equipped with the spacing ring, erect the groove has been seted up to the outer wall of seat, and the inner wall in perpendicular groove and the outer wall sliding connection of spacing ring rotate through setting up the supplementary round bar of spacing ring.

Preferably, the outer wall of the rotating block is provided with a threaded hole, the bolt is rotated into the threaded hole, the bottom of the bolt is extruded to the outer wall of the vertical seat, and the rotating block is fixed in position.

Preferably, the outer wall of the piston tube is fixedly connected with a connecting seat, and hydraulic oil is arranged in the piston tube.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the front fork vertical pipe is damped through the piston ring, hydraulic oil and the spring, partial metal impurities are accumulated between the first circular filter screen and the second circular filter screen when the hydraulic oil enters the front fork vertical pipe, abrasion of the front fork shock absorber is reduced, and the first round block, the first through hole, the second round block, the second through hole, the fixed ring, the round rod and the rotating block are arranged, so that the first through hole and the second through hole are staggered, the flow velocity of the hydraulic oil entering the front fork vertical pipe is changed, and therefore the damping and damping change of the front fork shock absorber is realized.

Drawings

Fig. 1 is a schematic perspective view of an electric vehicle front fork shock absorber according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an electric bicycle front fork shock absorber according to the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2 of an electric bicycle front fork shock absorber according to the present utility model;

fig. 4 is an enlarged schematic view of a portion B of fig. 2 of an electric vehicle front fork damper according to the present utility model.

In the figure: 1. a vertical seat; 2. a front fork riser; 3. piston rings; 4. a piston tube; 5. a spring; 6. a seal ring; 7. sealing sleeve; 8. a rubber ring; 9. a first round block; 10. a first through hole; 11. a second round block; 12. a second through hole; 13. a first circular filter screen; 14. a second circular filter screen; 15. a fixing ring; 16. a round bar; 17. a rotating block; 18. and a connecting seat.

Detailed Description

The utility model provides a shown by fig. 1, fig. 2 and fig. 4, relates to an electric motor car front fork bumper shock absorber, including riser 1, the outer wall fixedly connected with front fork riser 2 of riser 1, the bottom fixedly connected with piston ring 3 of front fork riser 2, the outer wall slip cap of piston ring 3 is equipped with piston tube 4, spring 5 has been placed to the inside of piston tube 4, the inner wall sliding connection of piston tube 4 has sealing ring 6, the outer wall threaded connection of piston tube 4 has seal cover 7, the inner wall fixedly connected with rubber ring 8 of seal cover 7, the outer wall of rubber ring 8 contacts with the outer wall of sealing ring 6, the top of spring 5 and the outer wall fixedly connected with of piston ring 3, the outer wall fixedly connected with connecting seat 18 of piston tube 4, the inside of piston tube 4 is equipped with hydraulic oil, the inside of front fork riser 2 is equipped with guiding mechanism.

As shown in fig. 1-4, the guiding mechanism comprises a first circular block 9, the inner wall of the front fork vertical pipe 2 is fixedly connected with the outer wall of the first circular block 9, a plurality of first through holes 10 are uniformly formed in the outer wall of the first circular block 9, a second circular block 11 is slidably connected with the inner wall of the front fork vertical pipe 2, a plurality of second through holes 12 are uniformly formed in the outer wall of the second circular block 11, the first through holes 10 and the second through holes 12 are staggered, the flow rate of hydraulic oil entering the front fork vertical pipe 2 is changed, a first circular filter screen 13 and a second circular filter screen 14 are fixedly connected with the outer wall of the second circular block 11, hydraulic oil flows out from the top of the first circular filter screen 13 through the first circular filter screen 13 and the second circular filter screen 14 under the extrusion action of a piston ring 3, metal impurities in the hydraulic oil are partially clamped between the first circular filter screen 13 and the second circular filter screen 14, the aperture of the first circular filter screen 13 is smaller than that of the second circular filter screen 14, a fixing ring 15 is fixedly connected with the outer wall of the second circular filter screen 14, a fixing ring 16 is fixedly connected with the outer wall of the fixing ring 15, a limit groove 17 is formed in the outer wall of the fixing ring 16 is formed in the outer wall of the fixing ring, a limit groove 17 is formed in the outer wall of the fixing ring is rotatably connected with the outer wall of the vertical ring, and the limit groove 17 is formed in the outer wall of the fixing ring is rotatably connected with the vertical groove 17.

Working principle: when the front fork vertical pipe 2 is used, shock absorption is carried out through the piston ring 3, hydraulic oil and the spring 5, meanwhile, hydraulic oil flows into the front fork vertical pipe 2 from the piston pipe 4 after being extruded, flows into the second through hole 12 from the first through hole 10 through the first round block 9 and the second round block 11, and is filtered through the first round filter screen 13 and the second round filter screen 14, part of metal impurities are accumulated between the first round filter screen 13 and the second round filter screen 14 because the aperture of the first round filter screen 13 is smaller than that of the second round filter screen 14, abrasion of the front fork shock absorber is reduced, meanwhile, the rotating block 17 enables the round rod 16 to rotate, the round rod 16 rotates the fixing ring 15 to rotate, so that the second round block 11 rotates, and then the first through hole 10 and the second through hole 12 are staggered, the flow rate of the hydraulic oil entering the front fork vertical pipe 2 is changed, and the shock absorption damping change of the front fork shock absorber is realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides an electric motor car front fork bumper shock absorber, includes upright seat (1), its characterized in that, the outer wall fixedly connected with front fork riser (2) of upright seat (1), the bottom fixedly connected with piston ring (3) of front fork riser (2), the outer wall slip cap of piston ring (3) is equipped with piston tube (4), spring (5) have been placed to the inside of piston tube (4), the top of spring (5) and the outer wall fixed connection of piston ring (3), the inside of front fork riser (2) is equipped with guiding mechanism.

2. The electric vehicle front fork shock absorber according to claim 1, wherein the flow guiding mechanism comprises a first round block (9), the inner wall of the front fork vertical pipe (2) is fixedly connected with the outer wall of the first round block (9), a plurality of first through holes (10) are uniformly formed in the outer wall of the first round block (9), a plurality of second round blocks (11) are slidably connected with the inner wall of the front fork vertical pipe (2), a plurality of second through holes (12) are uniformly formed in the outer wall of the second round block (11), a first round filter screen (13) and a second round filter screen (14) are fixedly connected with the outer wall of the second round block (11), a fixed ring (15) is fixedly connected with a round rod (16) on the outer wall of the fixed ring (15), and a rotating block (17) is fixedly connected with the top of the round rod (16).

3. An electric vehicle front fork shock absorber according to claim 1, characterized in that the inner wall of the piston tube (4) is slidingly connected with a sealing ring (6), and the outer wall of the piston tube (4) is screwed with a sealing sleeve (7).

4. An electric vehicle front fork damper according to claim 3, characterized in that the inner wall of the sealing sleeve (7) is fixedly connected with a rubber ring (8), and the outer wall of the rubber ring (8) is in contact with the outer wall of the sealing ring (6).

5. The front fork shock absorber of the electric vehicle according to claim 2, wherein a limiting ring is fixedly sleeved on the outer wall of the round rod (16), a vertical groove is formed in the outer wall of the vertical seat (1), and the inner wall of the vertical groove is in sliding connection with the outer wall of the limiting ring.

6. An electric vehicle front fork damper according to claim 2, characterized in that the outer wall of the swivel block (17) is provided with a threaded hole.

7. The electric vehicle front fork shock absorber according to claim 1, wherein the outer wall of the piston tube (4) is fixedly connected with a connecting seat (18), and hydraulic oil is arranged in the piston tube (4).