CN220204517U

CN220204517U - Small-sized hydraulic rear shock absorber for scooter

Info

Publication number: CN220204517U
Application number: CN202321731296.5U
Authority: CN
Inventors: 王福龙; 朱利刚
Original assignee: Jiangsu Zhenlong Shock Absorber Co ltd
Current assignee: Jiangsu Zhenlong Shock Absorber Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-12-19
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a small-sized hydraulic rear shock absorber for a scooter, and relates to the field of shock absorbers. According to the utility model, the reset springs are arranged, so that the reset springs in the first buffer cushion and the second buffer cushion can be simultaneously compressed and deformed when the first buffer cushion and the second buffer cushion are deformed, the compression reaction force is improved, the reset efficiency of the first buffer cushion and the second buffer cushion can be improved through the arrangement of the reset springs, the first buffer cushion and the second buffer cushion can be quickly recovered, the first buffer cushion and the second buffer cushion can be conveniently detached for replacement through the arrangement of the clamping blocks and the clamping grooves, and the first buffer cushion and the second buffer cushion with reduced compression performance are prevented from being continuously used to influence the damping effect.

Description

Small-sized hydraulic rear shock absorber for scooter

Technical Field

The utility model relates to the field of shock absorbers, in particular to a small hydraulic rear shock absorber for a scooter.

Background

Traditional electric scooter does not have rear shock absorber, and the rear wheel group is direct to be assembled at the footboard end, and the rear wheel does not have the shock attenuation effect, and the automobile-used rear shock absorber of scooter is just designed because of the user to absorbing demand, through increase fork and hydraulic pressure rear shock absorber at the footboard end, realizes scooter rear wheel's cushioning effect, improves electric scooter stability, travelling comfort and security that traveles.

The current small-size hydraulic rear shock absorber for the scooter can be provided with the blotter so as to buffer, but the deformation performance of the blotter can be reduced after long-time use, and then the buffer performance of the blotter is reduced, so that the blotter needs to be replaced every other section, but the blotter is fixed on the piston to cause inconvenience in replacing the blotter, and further the replacement efficiency of the blotter is reduced, and the subsequent buffer effect of the blotter is influenced.

Disclosure of Invention

Based on the above, the utility model aims to provide a small-sized hydraulic rear shock absorber for a scooter, which solves the technical problem that the buffer pad is inconvenient to replace so as to influence the buffer effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a small-size hydraulic pressure rear shock absorber for scooter, includes the guard shield, first spring holder is installed to the one end of guard shield, and one side of first spring holder is equipped with the uide bushing, the inside of uide bushing is provided with the piston, and one side intermediate position department of piston is connected with the piston rod that extends to the uide bushing outside to one side of piston is equipped with first blotter and second blotter, the second spring holder is installed to the one end of piston rod, just one side of second spring holder is equipped with the shock pad, the inside of first blotter and second blotter all is equipped with reset spring, the draw-in groove has all been seted up to the top both sides of second blotter, the bottom of first blotter is equipped with the fixture block that extends to the draw-in groove inside, one side of second blotter is equipped with the bolt that extends to fixture block and piston inside.

Through adopting above-mentioned technical scheme, its inside reset spring can compression set simultaneously when first blotter and second blotter take place deformation, and reset spring's setting can improve the recovery efficiency of first blotter and second blotter.

Further, a spacer bush is arranged on the other side of the first spring seat, a composite sleeve is arranged in the spacer bush, and a lining is arranged in the composite sleeve.

Through adopting above-mentioned technical scheme, the setting of bush and compound cover is convenient for install this bumper shock absorber on the scooter.

Further, a damping spring is connected between the first spring seat and the second spring seat, and the damping spring is located inside the shield.

Through adopting above-mentioned technical scheme, it can extrude damping spring when the second spring holder removes, and damping spring atress compression back can take place deformation.

Further, a spinning cover is arranged on one side of the guide sleeve, and an oil seal is arranged on one side of the spinning cover.

By adopting the technical scheme, the oil seal can be used for plugging the shock absorber oil, and the spinning cover can be used for driving the oil seal to be plugged into the guide sleeve when being arranged on the guide sleeve.

Further, the outer wall of oil blanket is laminated with the inner wall of uide bushing, the inside of uide bushing is filled with shock absorber oil.

Through adopting above-mentioned technical scheme, the setting of oil blanket can improve the inside leakproofness of uide bushing, prevents that shock absorber oil from spilling in the uide bushing.

Furthermore, the shield is made of steel materials, and the piston is in sliding connection with the guide sleeve.

By adopting the technical scheme, the shock absorber is made of steel, the production cost of the shock absorber can be reduced, and the piston 8 can slide in the guide sleeve.

Further, the screw gland is in threaded connection with the guide sleeve, and the guide sleeve is positioned in the damping spring.

Through adopting above-mentioned technical scheme to with screwing out the gland from the uide bushing, the uide bushing is located damping spring inside can make damping spring can realize compression set smoothly.

In summary, the utility model has the following advantages:

the utility model has the advantages that the reset springs are arranged, when the first buffer cushion and the second buffer cushion deform, the reset springs in the first buffer cushion and the second buffer cushion can be compressed and deformed at the same time, so that the compression reaction force is improved, the reset efficiency of the first buffer cushion and the second buffer cushion can be improved, the first buffer cushion and the second buffer cushion can be quickly recovered, the clamping blocks and the clamping grooves are convenient to detach and replace the first buffer cushion and the second buffer cushion, the impact on the damping effect caused by the continuous use of the first buffer cushion and the second buffer cushion after the reduction of the compression performance is prevented, meanwhile, the design of the utility model overcomes the appearance requirements of short length and small outer diameter of the shock absorber, the hydraulic rear shock absorber has better damping effect than the shock absorber without the shock absorber, the scooter assembled with the hydraulic rear shock absorber has better running stability, comfort and safety, and the main material of the shock absorber is mainly steel, and the production cost is low.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a piston rod in a three-dimensional structure according to the present utility model;

FIG. 4 is a schematic side cross-sectional view of a first cushion of the present utility model;

fig. 5 is a schematic perspective view of a first cushion according to the present utility model.

In the figure: 1. a shield; 2. a first spring seat; 3. a guide sleeve; 4. a damping spring; 5. a spacer bush; 6. a composite sleeve; 7. a bushing; 8. a piston; 9. a piston rod; 10. a cover is screwed; 11. an oil seal; 12. a first cushion pad; 13. a second spring seat; 14. a shock pad; 15. an iron stand; 16. a second cushion pad; 17. a return spring; 18. a clamping block; 19. a clamping groove; 20. and (5) a bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-5, including guard 1, first spring holder 2 is installed to the one end of guard 1, and one side of first spring holder 2 is equipped with uide bushing 3, the inside of uide bushing 3 is provided with piston 8, and one side intermediate position department of piston 8 is connected with the piston rod 9 that extends to uide bushing 3 outside, and one side of piston 8 is equipped with first blotter 12 and second blotter 16, be equipped with the piston hole in the piston 8, and be equipped with the valve block on the piston hole, second spring holder 13 is installed to one end of piston rod 9, and one side of second spring holder 13 is equipped with shock pad 14, the opposite side of first spring holder 2 is equipped with spacer 5, the internally mounted of spacer 5 has compound cover 6, and the inside of compound cover 6 is equipped with bush 7, be connected with damping spring 4 between first spring holder 2 and the second spring holder 13, and damping spring 4 is located the inside of guard 1, it can extrude damping spring 4 when second spring holder 13 removes, and damping spring 4 can take place deformation after the atress compression, spin lid 10 and uide bushing 3 threaded connection, in order to follow spin 10 and be convenient for spin out of guide sleeve 3, the inside 4 can realize the compression spring 4, the inside can be realized and the inside the compression sleeve 4 is convenient to install and remove and install damping spring 4.

Referring to fig. 1-5, the inside of first blotter 12 and second blotter 16 all is equipped with return spring 17, draw-in groove 19 has all been seted up to the top both sides of second blotter 16, the bottom of first blotter 12 is equipped with the fixture block 18 that extends to the inside of draw-in groove 19, return spring 17 in its inside can compression deformation simultaneously when first blotter 12 and second blotter 16 take place deformation, fixture block 18 and draw-in groove 19 adaptation, so that fixture block 18 card is gone into to the inside of draw-in groove 19 or is shifted out from in the draw-in groove 19, first blotter 12 and second blotter 16 are semi-circular, first blotter 12 and second blotter 16 dismantlement connection, be convenient for dismantle first blotter 12 and second blotter 16, and then can change first blotter 12 and second blotter 16, one side of second blotter 16 is equipped with the bolt 20 that extends to the inside of draw-in groove 18 and piston 8, one side of uide bushing 3 is installed and is equipped with rotary press cover 10, one side of die-pressing cover 10, the oil blanket 11 can be plugged into shock absorber oil, and the seal 11 can drive the inside of uide bushing 3 when die-pressing cover 10 installs on uide bushing 3, can drive the oil blanket 11 to pack into the inside of uide bushing 3, the inside of the oil blanket 11, the inside the die bushing is equipped with the inside of the uide bushing 1, the steel bushing is equipped with the inside the guide bushing 1, the manufacturing cost is reduced, and the steel is adopted to be connected with the inside of the uide bushing 1, and the inside of the die bushing is manufactured, 1, and the manufacturing cost is reduced, and the steel 1 is adopted.

The implementation principle of the embodiment is as follows: firstly, when the shock absorber is compressed, the shock absorption spring 4 is gradually compressed and generates a reaction force, the piston 8 moves, the volume of the cavity at the upper part of the piston 8 is reduced, the valve plate is opened under the action of internal pressure, shock absorber oil flows into the cavity at the lower part of the piston 8 through the piston hole, when the shock absorber is compressed to be close to the shortest length, the first cushion pad 12 and the second cushion pad 16 are compressed, and meanwhile, the reset spring 17 in the first cushion pad 12 and the second cushion pad 16 are compressed and deformed when being deformed, so that a larger compression resistance reaction force can be generated, and the continuous compression of the shock absorber is prevented; when the reaction force after the compression of the damping spring 4, the reaction force after the compression of the first cushion pad 12 and the second cushion pad 16 and the internal pressure exceed the compression force of the shock absorber, the damping spring 4 gradually recovers and rebounds, and the arrangement of the return spring 17 can improve the recovery efficiency of the first cushion pad 12 and the second cushion pad 16, so that the first cushion pad 12 and the second cushion pad can recover quickly, the shock absorber oil below the piston 8 opens the valve plate and slowly flows into the cavity at the upper part of the piston under the action of the recovery damping force, the higher the rebound speed of the shock absorber is, the higher the recovery damping force is, and the recovery damping force is used for slowing down the rebound speed of the rear shock absorber, absorbing the vibration amplitude and frequency of the shock absorber and playing a better role in shock absorption; when the shock absorber rebounds to a state close to the longest state, the first cushion pad 12 and the second cushion pad 16 are compressed to generate larger reaction force, and the continuous rebound of the shock absorber is avoided, so that the shock absorber can play a role in shock absorption by continuously cyclically compressing and stretching, when the first cushion pad 12 and the second cushion pad 16 are required to be disassembled and replaced, a user can unscrew the bolts 20 from the first cushion pad 12 and the second cushion pad 16, and then the first cushion pad 12 and the second cushion pad 16 can be separated and taken out, so that the first cushion pad 12 and the second cushion pad 16 can be replaced.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a scooter is with small-size hydraulic pressure rear shock absorber, includes guard shield (1), its characterized in that: the one end of guard shield (1) is installed first spring holder (2), and one side of first spring holder (2) is equipped with uide bushing (3), the inside of uide bushing (3) is provided with piston (8), and one side intermediate position department of piston (8) is connected with piston rod (9) that extend to uide bushing (3) outside to one side of piston (8) is equipped with first blotter (12) and second blotter (16), second spring holder (13) are installed to one end of piston rod (9), just one side of second spring holder (13) is equipped with shock pad (14), the inside of first blotter (12) and second blotter (16) all is equipped with reset spring (17), draw-in groove (19) have all been seted up to the top both sides of second blotter (16), the bottom of first blotter (12) is equipped with and extends to inside fixture block (18) of draw-in groove (19), one side of second blotter (16) is equipped with and extends to fixture block (18) and the inside bolt (20) of piston (8).

2. The scooter type small hydraulic rear shock absorber according to claim 1, wherein: the other side of first spring holder (2) is equipped with spacer (5), the internally mounted of spacer (5) has compound cover (6), and the inside of compound cover (6) is equipped with bush (7).

3. The scooter type small hydraulic rear shock absorber according to claim 1, wherein: a damping spring (4) is connected between the first spring seat (2) and the second spring seat (13), and the damping spring (4) is located inside the shield (1).

4. A compact hydraulic rear shock absorber for a scooter as claimed in claim 3, wherein: a rotary pressing cover (10) is arranged on one side of the guide sleeve (3), and an oil seal (11) is arranged on one side of the rotary pressing cover (10).

5. The scooter type small hydraulic rear shock absorber according to claim 4, wherein: the outer wall of the oil seal (11) is attached to the inner wall of the guide sleeve (3), and shock absorber oil is filled in the guide sleeve (3).

6. The scooter type small hydraulic rear shock absorber according to claim 1, wherein: the protecting cover (1) is made of steel materials, and the piston (8) is in sliding connection with the guide sleeve (3).

7. The scooter type small hydraulic rear shock absorber according to claim 4, wherein:

the rotary pressing cover (10) is in threaded connection with the guide sleeve (3), and the guide sleeve (3) is positioned in the damping spring (4).