CN220956581U - Motorcycle rear shock absorber with adjustable length - Google Patents

Abstract

The utility model discloses a motorcycle rear shock absorber with adjustable length, which comprises a shell, a hanger and a first spring, wherein the upper surface of the shell is connected with a main shaft in a penetrating and sliding manner, the upper end of the main shaft is fixedly connected with the hanger, and the lower end of the main shaft is fixedly connected with the upper surface of the first connecting table. This motorcycle rear shock absorber with adjustable length is provided with acting mechanism, this mechanism can be when the motorcycle jolts after beginning the operation, the power that will jolt offsets a part of power through the rotation of fan, the better shock-absorbing capacity that has improved this motorcycle rear shock absorber, this motorcycle rear shock absorber is provided with adjustment mechanism, can satisfy the demand of different motorcycle types, easy operation moreover when adjusting, be applicable to actual application, inside is provided with the gasbag, can avoid compressing springs when motorcycle rear seat load, can not make the shock attenuation effect weaken the riding experience that influences the rear seat personnel.

Description

Motorcycle rear shock absorber with adjustable length

Technical Field

The utility model relates to the technical field of motorcycle shock absorption, in particular to a motorcycle rear shock absorber with adjustable length.

Background

The rear shock absorber is used for supporting the weight of a frame, relieving the vibration and impact of uneven roads on a motorcycle, rapidly attenuating the vibration, improving riding comfort, reducing the dynamic stress of each part of a vehicle body, prolonging the service life of the vehicle, and not only is the generated impact very large for a user even if the road surface has small jolt, but also misoperation can be caused, and personal safety is endangered.

At present, the rear shock absorber of the motorcycle is not adjustable in length, namely, the installation length of the rear shock absorber is relatively fixed, so that the condition that the length is inconsistent easily occurs when the shock absorber is installed, a batch of shock absorbers with original specifications are wasted when the motorcycle model is replaced, therefore, the rear shock absorber of the motorcycle, which can be suitable for different length requirements, is needed, for example, an adjustable rear shock absorber of the motorcycle with the application number of CN202020937092.7, comprises a shock absorbing spring and a shock absorber, a protective sleeve is further arranged outside the shock absorbing spring and the shock absorber, and although the protective sleeve plays a protective role for an internal shock absorbing structure, the shock absorbing spring in the interior is driven to be extruded or relaxed by rotating the protective sleeve, so that the shock absorbing effect of the spring is weakened, the shock absorbing effect of the spring is influenced, and the length of the shock absorber cannot be adjusted, so that the shock absorber cannot be suitable for motorcycles with different models, and is inconvenient for practical application.

Disclosure of utility model

The utility model aims to provide a motorcycle rear shock absorber with adjustable length, which solves the problems that the length of the shock absorber proposed in the background art cannot be adjusted, the shock absorber cannot be suitable for motorcycles of different types, and the practical application is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the motorcycle rear shock absorber with the adjustable length comprises a shell, a hanger and a first spring, wherein the upper surface of the shell is connected with a main shaft in a penetrating and sliding manner, the hanger is fixedly connected with the upper end of the main shaft, and the lower end of the main shaft is fixedly connected with the upper surface of the first connecting table;

The working mechanism which consumes vibration kinetic energy is arranged on the outer side of the first connecting table, and the working mechanism dissipates heat to the interior of the shell through kinetic energy rotation into wind energy;

The damper is arranged in the center of the lower surface of the first connecting table, the first spring is arranged on the lower surface of the first connecting table, the first spring wraps the damper inside, and the lower end of the first spring is fixedly connected with the upper surface of the second connecting table;

an adjusting mechanism is arranged on the side surface of the second connecting table and is positioned in the shell, and the distance between the upper and lower 2 hangers is adjusted by the adjusting mechanism in a jogging mode;

The lower surface mounting of connection platform II has the spring III, and the lower extreme fixed connection of spring III is in the inner wall of extension section of thick bamboo, the upper end and the connection platform II sliding connection of spring III, the lower surface center fixedly connected with telescopic column of connection platform II, and the lower extreme and the inner wall fixed connection of extension section of thick bamboo of telescopic column, the lower surface fixedly connected with hanger of extension section of thick bamboo.

Preferably, the acting mechanism comprises a tooth block, gears, fans and connecting arms, wherein the tooth block is symmetrically arranged on the side surface of the first connecting table, the connecting arms are arranged on the inner wall surface of the shell, one ends of the connecting arms are rotationally connected with the gears, the centers of the gears are connected with shafts in a penetrating manner, 1 fan is respectively arranged at two ends of each shaft, and 2 acting mechanisms are symmetrically arranged in the shell.

By adopting the technical scheme, the gear can be pushed to rotate when the gear block moves, so that the fan rotates to offset the force born by jolt of the motorcycle, and the fan can enable internal heat dissipation to be faster.

Preferably, the adjusting mechanism comprises a clamping block, a rotating arm, a second spring, a limiting block, an extension cylinder and empty slots, wherein the two ends of the side face of the clamping block are connected with the rotating arms, the clamping block and the rotating arms are symmetrically arranged on the outer side of the second connecting table, the rotating arms are arranged in an X shape, an axle is arranged at the intersection point of the X shape, the lower ends of the rotating arms are respectively connected with the two ends of the second spring, and a plurality of empty slots are formed in the outer surface of the outer shell.

By adopting the technical scheme, the length adjustment of the damper is more convenient, and the damping effect of the spring cannot be affected after the adjustment.

Preferably, the clamping block is of a fan-shaped structure, the middle of the clamping block is in a hollowed-out state, the hollowed-out part of the clamping block is in sliding clamping connection with a longitudinally arranged limiting block, the clamping block is in sliding clamping connection with a hollow groove arranged on the outer surface of the shell, the lower surface of the limiting block is connected with an extension cylinder, and the limiting block is in sliding connection with the extension cylinder;

the telescopic cylinder posts are arranged at two ends of the side face of the clamping block, and the lower ends of the cylinder posts are provided with shafts which are connected with the top ends of the rotating arms in a rotating mode.

By adopting the technical scheme, the shock absorber can better counteract the vibration force when the motorcycle jolts, the stability effect and the shock absorption effect of the shock absorber can not be affected after the length of the shock absorber is adjusted by using the extension cylinder, and the telescopic cylinder column and the shaft arranged by the clamping block can effectively ensure the clamping block to shrink when the motorcycle jolts.

Preferably, the second connecting table is in an elliptical shape, 2 air bags are symmetrically connected to the upper surface of the second connecting table, and 2 springs are symmetrically connected to the lower surface of the second connecting table.

By adopting the technical scheme, the air bag can prevent the rear seat of the motorcycle from pressing the internal spring when the load is applied, and has better buffering capacity.

Preferably, the bottom of the extension cylinder is provided with 4 openings, the openings penetrate through the rotating arms, and the extension cylinder is positioned inside the shell.

By adopting the technical scheme, when the connecting arm is pinched in the adjusting length, the bottom of the extension cylinder can not obstruct the rotation of the connecting arm.

Preferably, the balloon is provided as a stretchable hose.

By adopting the technical scheme, the air bag can be stretched, and the length adjustment of the extension cylinder cannot be influenced.

Compared with the prior art, the utility model has the beneficial effects that: the motorcycle rear shock absorber with adjustable length:

1. The rear shock absorber of the motorcycle is provided with the acting mechanism, when the motorcycle bumps after the mechanism starts to operate, part of the bump force is counteracted by the rotation of the fan, so that the shock absorbing capacity of the rear shock absorber of the motorcycle is better improved;

2. The rear shock absorber of the motorcycle is provided with the adjusting mechanism, the shock absorber can be integrally increased by pinching the connecting arm, then the required length can be adjusted according to the requirements of different vehicles, so that the requirements of different vehicle types can be met, the shock absorption function of the shock absorber can not be affected when the length is adjusted, the operation is simple when the length is adjusted, and the motorcycle is suitable for practical application;

3. This inside of motorcycle rear shock absorber is provided with the gasbag, and the gasbag is provided with one-way admission valve and air outlet valve, when receiving the gasbag and receiving the extrusion, the gasbag is gassing, plays the offset effect to the vibrations power that receives to the gasbag sets up to the hose has elasticity, can make inside atmospheric pressure keep through one-way admission valve and air outlet valve when adjusting shock absorber length, makes spring one and spring three can not receive the influence that length changes, keeps good shock attenuation effect.

Drawings

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

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is a schematic side view of the present utility model;

FIG. 5 is a schematic view of a block structure according to the present utility model;

Fig. 6 is a schematic view of a rotating arm structure according to the present utility model.

In the figure:

1. A housing; 2. a hanger; 3. a main shaft; 4. a first connecting table;

Work doing mechanism: 501. tooth blocks; 502. a gear; 503. a fan; 504. a connecting arm;

6. A damper; 7. a first spring;

An adjusting mechanism: 801. a clamping block; 802. a rotating arm; 803. a second spring; 804. a limiting block; 805. an extension tube; 806. a hollow groove;

9. an air bag; 10. a second connecting table; 11. a third spring; 12. and (5) a telescopic column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: a motorcycle rear shock absorber with adjustable length comprises a shell 1, a hanger 2, a main shaft 3, a first connecting table 4, a tooth block 501, a gear 502, a fan 503, a connecting arm 504, a damper 6, a first spring 7, a clamping block 801, a rotating arm 802, a second spring 803, a limiting block 804, an extension cylinder 805, a hollow groove 806, an air bag 9, a second connecting table 10, a third spring 11 and a telescopic column 12.

This motorcycle rear shock absorber is provided with adjustment mechanism, can adjust length as required, specifically does:

An adjusting mechanism is arranged on the side face of the connecting table II 10 and is positioned in the shell 1, the adjusting mechanism adjusts the distance between the upper and lower 2 hangers 2 in a jogging mode, a damper 6 is arranged in the center of the lower surface of the connecting table I4, a spring I7 is arranged on the lower surface of the connecting table I4, the damper 6 is wrapped in the spring I7, and the lower end of the spring I7 is fixedly connected with the upper surface of the connecting table II 10;

The adjusting mechanism comprises a clamping block 801, a rotating arm 802, a second spring 803, a limiting block 804, an extension cylinder 805 and a hollow groove 806, wherein two ends of the side face of the clamping block 801 are connected with the rotating arm 802, the clamping block 801 and the rotating arm 802 are symmetrically arranged on the outer side of the second connecting table 10, the rotating arm 802 is arranged in an X shape, an axle is arranged at the intersection point of the X shape, the lower end of the rotating arm 802 is respectively connected with two ends of the second spring 803, the outer surface of the shell 1 is provided with a plurality of hollow grooves 806, the clamping block 801 is in a fan-shaped structure, the middle is in a hollowed-out state, the hollowed-out part of the clamping block 801 is connected with the longitudinally arranged limiting block 804 in a sliding clamping mode, the clamping block 801 is connected with the hollow groove 806 arranged on the outer surface of the shell 1 in a sliding mode, the lower surface of the limiting block 804 is connected with the extension cylinder 805, the limiting block 804 is connected with the extension cylinder 805 in a sliding mode, the two ends of the side face of the clamping block 801 are respectively provided with telescopic cylinder columns, the lower end of the cylinder column is provided with the axle which is connected with the rotating arm 802, 4 openings are arranged at the bottom of the extension cylinder 805, and the opening penetrates through the shell 1.

When the motorcycle rear shock absorber is installed on the rear wheel of a motorcycle, when the motorcycle rear shock absorber is required to be installed, the front rotating arm 802 and the rear rotating arm 802 are pinched by hands, the second spring 803 is extruded, the symmetrically arranged 2 clamping blocks 801 are retracted inwards, and then pulled downwards, the clamping blocks 801 drive the extension cylinder 805 to move downwards under the action of the limiting blocks 804, the inner wall of the extension cylinder 805 is connected with the telescopic column 12, the telescopic column 12 only plays a role in connection, so that the telescopic column 12 stretches and opens along with the telescopic column, the 2 springs three 11 connected with the inner wall of the extension cylinder 805 are downwards together, the upper ends of the springs three 11 are connected with the second connecting table 10 in a sliding manner, the upper ends of the springs three 11 are connected with the air bags 9, the air bags 9 are provided with one-way air inlet valves and one-way air outlet valves, the elastic force of the springs three 11 drives the air bags 9 to stretch downwards along with the downward stretching of the springs three 11, the inner volumes of the air bags 9 are increased, and accordingly the air bags 9 are in a negative pressure state inside the air bags, external air is sucked through the one-way air inlet valves until the air bags 9 are in normal pressure environment again, the air bags 9 are balanced again, and the three springs 11 are kept unchanged in length by the length when the length is not stressed. Since the second connecting table 10 is always positioned at the lower end of the first spring 7, when the air bag 9 and the third spring 11 form a new length, the air bag 9 and the third spring 11 slide up and down on the surface of the second connecting table 10 in a shuttling manner, so that the lengths of the shell 1 and the extension cylinder 805 are changed, and the shock absorption effects of the damper 6 and the first spring 7 are not affected.

The whole adjusting mechanism continues to move downwards, the rotating arm 802 is released after the adjusting mechanism reaches a proper length, the clamping block 801 is clamped into the empty groove 806 formed in the shell 1, and then the 2 hangers 2 are respectively connected to the motorcycle to complete the installation.

The rear shock absorber of the motorcycle is provided with a working mechanism, so that the shock absorbing capacity of the rear shock absorber of the motorcycle is improved, and the motorcycle is specifically:

The outer side of the first connecting table 4 is provided with a working mechanism which consumes vibration kinetic energy, the working mechanism dissipates heat to the interior of the shell 1 through kinetic energy which rotates into wind energy, the upper surface of the shell 1 is in penetrating sliding connection with a main shaft 3, the upper end of the main shaft 3 is fixedly connected with a hanger 2, the lower end of the main shaft 3 is fixedly connected with the upper surface of the first connecting table 4, the lower surface of the second connecting table 10 is provided with a third spring 11, the lower end of the third spring 11 is fixedly connected with the inner wall of the extension cylinder 805, the upper end of the third spring 11 is in sliding connection with the second connecting table 10, an air bag 9 is provided with a stretchable hose, the center of the lower surface of the second connecting table 10 is fixedly connected with a telescopic column 12, the lower end of the telescopic column 12 is fixedly connected with the inner wall of the extension cylinder 805, and the lower surface of the extension cylinder 805 is fixedly connected with the hanger 2;

The working mechanism comprises a tooth block 501, a gear 502, fans 503 and connecting arms 504, wherein the tooth block 501 is symmetrically arranged on the side surface of the first connecting table 4, the connecting arms 504 are arranged on the inner wall surface of the housing 1, one end of each connecting arm 504 is rotationally connected with the gear 502, the center of each gear 502 is connected with a shaft in a penetrating way, two ends of each shaft are respectively provided with 1 fan 503, and 2 working mechanisms are symmetrically arranged in the housing 1.

This motorcycle rear shock absorber installs in the rear wheel of motorcycle, when the motorcycle is going, receive jolting, the hanger 2 of upper end will have decurrent thrust, will make main shaft 3 pass through shell 1 and slide downwards, make connection board one 4 receive the pressure downward movement, at this moment, install in the tooth piece 501 and the gear 502 meshing of connection board one 4 sides and be connected, make gear 502 rotate, the rotation of gear 502 will drive both sides through the fan 503 rotation of axle fixed connection, the rotation of fan 503 can make inside dispel the heat fast, avoid the temperature higher, will jolt the power that receives at this moment and do work and consume a part, the lower surface of connection board one 4 is connected with damper 6 and spring one 7 simultaneously, will promote damper 6 and spring one 7 downward, reach the shock attenuation effect.

Working principle: when the motorcycle rear shock absorber with the adjustable length is used, the motorcycle rear shock absorber can be suitable for different motorcycles, the shock absorbing effect of the springs cannot be affected, the whole shock absorbing capacity is better, and the whole practicability is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a motorcycle rear shock absorber with adjustable length, includes shell (1), hanger (2) and spring one (7), its characterized in that: the upper surface of the shell (1) is connected with a main shaft (3) in a penetrating and sliding manner, the upper end of the main shaft (3) is fixedly connected with a hanger (2), and the lower end of the main shaft (3) is fixedly connected with the upper surface of a first connecting table (4);

The outer side of the first connecting table (4) is provided with a working mechanism which consumes vibration kinetic energy, and the working mechanism dissipates heat to the inside of the shell (1) through kinetic energy rotation into wind energy;

The center of the lower surface of the first connecting table (4) is provided with a damper (6), the lower surface of the first connecting table (4) is provided with a first spring (7), the first spring (7) wraps the damper (6) inside, and the lower end of the first spring (7) is fixedly connected with the upper surface of the second connecting table (10);

an adjusting mechanism is arranged on the side face of the second connecting table (10), the adjusting mechanism is positioned in the shell (1), and the distance between the upper hanger (2) and the lower hanger (2) is adjusted through an embedding mode;

The lower surface mounting who connects platform two (10) has spring three (11), and the lower extreme fixed connection of spring three (11) is in the inner wall of extension section of thick bamboo (805), the upper end and the connection platform two (10) sliding connection of spring three (11), the lower surface center fixedly connected with flexible post (12) of connection platform two (10), and the lower extreme and the inner wall fixed connection of extension section of thick bamboo (805) of flexible post (12), the lower surface fixedly connected with hanger (2) of extension section of thick bamboo (805).

2. A length adjustable motorcycle rear shock absorber according to claim 1, wherein: the working mechanism comprises a tooth block (501), a gear (502), fans (503) and connecting arms (504), wherein the tooth block (501) is symmetrically arranged on the side surface of a first connecting table (4), the connecting arms (504) are arranged on the inner wall surface of a shell (1), one end of each connecting arm (504) is rotationally connected with the gear (502), the center of each gear (502) is connected with a shaft in a penetrating manner, two ends of each shaft are respectively provided with 1 fan (503), and 2 working mechanisms are symmetrically arranged in the shell (1).

3. A length adjustable motorcycle rear shock absorber according to claim 1, wherein: the adjusting mechanism comprises a clamping block (801), a rotating arm (802), a second spring (803), a limiting block (804), an extension cylinder (805) and empty slots (806), wherein the two ends of the side face of the clamping block (801) are connected with the rotating arm (802), the clamping block (801) and the rotating arm (802) are symmetrically arranged on the outer side of a second connecting table (10) in two groups, the rotating arm (802) is arranged in an X shape, an axle is arranged at the intersection point of the X shape, the lower end of the rotating arm (802) is respectively connected with the two ends of the second spring (803), and a plurality of empty slots (806) are formed in the outer surface of the shell (1).

4. A length adjustable motorcycle rear shock absorber according to claim 3, wherein: the clamping block (801) is of a fan-shaped structure, the middle of the clamping block is in a hollowed-out state, the hollowed-out part of the clamping block (801) is in sliding clamping connection with a longitudinally arranged limiting block (804), the clamping block (801) is in sliding clamping connection with a hollow groove (806) arranged on the outer surface of the shell (1), the lower surface of the limiting block (804) is connected with an extension cylinder (805), and the limiting block (804) is in sliding connection with the extension cylinder (805);

The telescopic cylinder columns are arranged at two ends of the side face of the clamping block (801), and the lower ends of the cylinder columns are provided with shafts which are connected with the top ends of the rotating arms (802) in a rotating mode.

5. A length adjustable motorcycle rear shock absorber according to claim 1, wherein: the second connecting table (10) is arranged in an oval shape, 2 air bags (9) are symmetrically connected to the upper surface of the second connecting table (10), and 2 springs (11) are symmetrically connected to the lower surface of the second connecting table (10).

6. A length adjustable motorcycle rear shock absorber according to claim 3, wherein: the bottom of the extension cylinder (805) is provided with 4 openings, the openings penetrate through the rotating arm (802), and the extension cylinder (805) is positioned inside the shell (1).

7. A length adjustable motorcycle rear shock absorber according to claim 5, wherein: the air bag (9) is configured as a stretchable hose.