CN218063204U - Damping device for electric power-assisted vehicle - Google Patents

Damping device for electric power-assisted vehicle Download PDF

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Publication number
CN218063204U
CN218063204U CN202221956887.8U CN202221956887U CN218063204U CN 218063204 U CN218063204 U CN 218063204U CN 202221956887 U CN202221956887 U CN 202221956887U CN 218063204 U CN218063204 U CN 218063204U
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piston
spring
fixedly connected
cylinder
piston cylinder
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CN202221956887.8U
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Chinese (zh)
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周长剑
贺辉
郭鹏
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Danyang Mingwei Automobile Design Co ltd
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Danyang Mingwei Automobile Design Co ltd
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Abstract

The utility model discloses a damping device for electric power-assisted vehicle, including two pneumatic cylinders, two the equal swing joint in inside of pneumatic cylinder has the piston rod, two the equal fixedly connected with connecting cap in top of piston rod, the up end fixedly connected with of splice bar connects the pillar, when the vehicle receives vibrations, the piston rod is flexible in the inside of pneumatic cylinder, the inside fluid of pneumatic cylinder produces the damping to vibrations, thereby reduce vibrations, the shock attenuation is effectual, improve user's travelling comfort, simultaneously at the flexible in-process of piston rod, the piston tube that is located the middle part is flexible inside the piston cylinder, the piston tube is hollow structure and inside and is provided with the spring, thereby extrude the spring at piston cylinder activity in-process, the spring absorbs the vibrations power and cushions, thereby further improve the shock attenuation effect, the spring is inside the piston tube simultaneously, the piston tube plays spacing effect to the spring, avoid the condition that the side direction aversion takes place for the spring, and prolong life, and improve overall stability.

Description

Damping device for electric power-assisted vehicle
Technical Field
The utility model relates to a vehicle using motor technical field specifically is a damping device for electric power assisted vehicle.
Background
An electric power-assisted vehicle is a mechatronic vehicle which uses a storage battery as an auxiliary energy source, is provided with a motor, a controller, a storage battery, a rotating handle, a brake handle and other control components and a display instrument system on the basis of a common small vehicle. The storage battery is charged before the use, and the damping device of the electric vehicle plays a damping role in the driving process of the electric vehicle, so that comfortable driving and riding experience is provided.
However, the existing shock absorber for the electric power-assisted vehicle mainly realizes shock absorption through one spring, the shock absorption effect is poor, when a vehicle touches a stone or a hollow road surface, a large impact force can be generated, a user can feel intense discomfort, a single spring is easy to shift in the lateral direction, the spring is damaged, and the shock absorber can reduce the service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a damping device for electric power assisted vehicle, it is effectual to have the shock attenuation, improves the travelling comfort, and the spring is inside the piston cylinder simultaneously, and the piston cylinder plays spacing effect to the spring, avoids the spring to take place the condition that the side direction shifted, increase of service life, and improves the characteristics of overall stability.
In order to achieve the above object, the utility model provides a following technical scheme: a damping device for an electric power-assisted vehicle comprises two hydraulic cylinders, piston rods are movably connected inside the two hydraulic cylinders, connecting caps are fixedly connected to the top ends of the two piston rods, a connecting rib is fixedly connected between the two connecting caps, and a connecting support column is fixedly connected to the upper end face of the connecting rib;
the supporting rod is fixedly connected between the two hydraulic cylinders, a piston cylinder is installed on the upper end face of the supporting rod, a piston cylinder is movably connected inside the piston cylinder, the piston cylinder is of a hollow structure and is internally provided with a spring, a fixed block is fixedly connected to the center of the upper end face of the piston cylinder, and the bottom end of the spring is fixedly connected with the fixed block.
For the convenience of installing the fender, as the utility model discloses a damping device for electric power assisted vehicle is preferred, two preceding terminal surface fixedly connected with fender support between the pneumatic cylinder, the fender support is whole to be "door" font structure, the outer wall of fender support runs through and has seted up the fender mounting hole.
In order to play good dust seal effect, conduct the utility model discloses a damping device is preferred for electric power assisted vehicle, the intersection of pneumatic cylinder and piston rod is provided with the dust seal.
In order to facilitate the installation gyro wheel bearing, as the utility model discloses a damping device for electric power assisted vehicle is preferred, two the equal fixedly connected with mounting panel in bottom of pneumatic cylinder, the outer wall of mounting panel runs through and has seted up the mounting hole groove.
In order to improve intensity, as the utility model discloses a damping device is preferred for electric power assisted vehicle, the connecting strut is the high carbon steel pipe.
In order to facilitate bunching the brake cable, as the utility model discloses a damping device is preferred for electric power assisted vehicle, the back of pneumatic cylinder is provided with the brake cable and buckles.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the connecting ribs are fixedly connected between the two connecting caps, the upper end faces of the connecting ribs are fixedly connected with the connecting pillars, the connecting pillars are used for being connected and fixed with the vehicle frame, when the vehicle is vibrated, the piston rod stretches in the hydraulic cylinder, oil liquid in the hydraulic cylinder generates damping on the vibration, so that the vibration is reduced, the damping effect is good, the comfort of a user is improved, meanwhile, in the stretching process of the piston rod, the piston cylinder in the middle stretches in the piston cylinder, the piston cylinder is of a hollow structure, and a spring is arranged in the piston cylinder, so that the spring is extruded in the moving process of the piston cylinder, the vibration force is absorbed and buffered by the spring, the damping effect is further improved, meanwhile, the spring is arranged in the piston cylinder, the piston cylinder has a limiting effect on the spring, the situation that the spring is displaced in the lateral direction is avoided, the service life is prolonged, and the overall stability is improved;
the outer wall of fender support runs through and has seted up the fender mounting hole to be convenient for install fixed fender, easy dismounting, the intersection of pneumatic cylinder and piston rod is provided with the dust seal, plays good dustproof and sealed effect, the life of extension pneumatic cylinder and piston rod, the connecting strut is the high carbon steel pipe, intensity is high, and the supporting effect is good, improves whole installation intensity, and the back of pneumatic cylinder is provided with the brake line and detains, thereby is convenient for bunch the brake line, improves the aesthetic property.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a sectional view of the piston cylinder according to the present invention;
FIG. 3 is an enlarged view of part a of the present invention;
FIG. 4 is a side view of the mounting plate of the present invention;
in the figure: 1. a hydraulic cylinder; 2. a piston rod; 3. a connecting cap; 4. connecting ribs; 5. connecting the supporting columns; 6. a support bar; 7. a piston cylinder; 8. a piston cylinder; 9. a fixed block; 10. a spring; 11. a fender bracket; 12. a fender mounting hole; 13. sealing by dust; 14. mounting a plate; 15. and (4) installing a hole groove.
Detailed Description
Referring to fig. 1 to 4, a damping device for an electric power-assisted vehicle includes two hydraulic cylinders 1, piston rods 2 movably connected inside the two hydraulic cylinders 1, connecting caps 3 fixedly connected to top ends of the two piston rods 2, a connecting rib 4 fixedly connected between the two connecting caps 3, and a connecting strut 5 fixedly connected to an upper end surface of the connecting rib 4;
fixedly connected with bracing piece 6 between two pneumatic cylinders 1, piston cylinder 7 is installed to the up end of bracing piece 6, and the inside swing joint of piston cylinder 7 has a piston section of thick bamboo 8, and piston section of thick bamboo 8 is hollow structure and inside is provided with spring 10, the up end center fixedly connected with fixed block 9 of piston cylinder 7, the bottom and the fixed block 9 fixed connection of spring 10.
In this embodiment: fixedly connected with splice bar 4 between two connector caps 3, the up end fixedly connected with splice bar 5 of splice bar 4, splice bar 5 is used for with connected to the frame fixed, when the vehicle receives vibrations, piston rod 2 is flexible in the inside of pneumatic cylinder 1, the inside fluid of pneumatic cylinder 1 produces the damping to vibrations, thereby reduce vibrations, the shock attenuation is effectual, improve user's travelling comfort, simultaneously at the flexible in-process of piston rod 2, the piston cylinder 8 that is located the middle part is flexible inside piston cylinder 7, piston cylinder 8 is hollow structure and inside spring 10 that is provided with, thereby extrude spring 10 in piston cylinder 7 activity process, spring 10 absorbs the shaking force and cushions, thereby further improve the shock attenuation effect, spring 10 is inside piston cylinder 8 simultaneously, piston cylinder 8 plays spacing effect to spring 10, avoid spring 10 to take place the condition of side direction aversion, service life is prolonged, and overall stability is improved.
As a technical optimization scheme, preceding terminal surface fixedly connected with fender support 11 between two pneumatic cylinders 1, fender support 11 wholly is "door" font structure, and fender mounting hole 12 has been seted up in the outer wall of fender support 11 running through.
In this embodiment: the outer wall of the fender bracket 11 is provided with a fender mounting hole 12 in a penetrating way, so that a fixed fender can be conveniently mounted and dismounted.
As a technical optimization scheme of the utility model, the intersection of pneumatic cylinder 1 and piston rod 2 is provided with dust seal 13.
In this embodiment: the intersection of pneumatic cylinder 1 and piston rod 2 is provided with dust seal 13, plays good dustproof and sealed effect, prolongs the life of pneumatic cylinder 1 and piston rod 2.
As a technical optimization scheme of the utility model, the equal fixedly connected with mounting panel 14 in bottom of two pneumatic cylinders 1, the outer wall of mounting panel 14 runs through and has seted up mounting hole groove 15.
In this embodiment: the outer wall of the mounting plate 14 is provided with a mounting hole slot 15 in a penetrating manner, so that the roller bearing can be conveniently mounted, and the booster vehicle tire can be conveniently mounted between the two mounting plates 14.
As a technical optimization scheme of the utility model, connecting strut 5 is the high carbon steel pipe.
In this embodiment: the connecting support column 5 is a high-carbon steel pipe, so that the strength is high, the supporting effect is good, and the integral installation strength is improved.
As a technical optimization scheme of the utility model, the back of pneumatic cylinder 1 is provided with the brake line and buckles.
In this embodiment: the back of the hydraulic cylinder 1 is provided with a brake cable buckle, so that the brake cable is bundled conveniently, and the attractiveness is improved.
The working principle is as follows: fixedly connected with splice bar 4 between two connecting caps 3, the up end fixedly connected with splice bar 5 of splice bar 4, splice bar 5 is used for with the connected to the frame fixed, when the vehicle receives vibrations, piston rod 2 is flexible in the inside of pneumatic cylinder 1, the inside fluid of pneumatic cylinder 1 produces the damping to vibrations, thereby reduce vibrations, the shock attenuation is effectual, improve user's travelling comfort, simultaneously at the flexible in-process of piston rod 2, the piston cylinder 8 that is located the middle part is flexible at piston cylinder 7 inside, piston cylinder 8 is hollow structure and inside is provided with spring 10, thereby extrude spring 10 in piston cylinder 7 activity process, spring 10 absorbs the shaking force and cushions, thereby further improve the shock attenuation effect, spring 10 is inside piston cylinder 8 simultaneously, piston cylinder 8 plays spacing effect to spring 10, avoid spring 10 to take place the condition of lateral direction aversion, service life is prolonged, and overall stability is improved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. A damping device for an electric power-assisted vehicle, comprising two hydraulic cylinders (1), characterized in that: piston rods (2) are movably connected inside the two hydraulic cylinders (1), connecting caps (3) are fixedly connected to the top ends of the two piston rods (2), connecting ribs (4) are fixedly connected between the two connecting caps (3), and connecting pillars (5) are fixedly connected to the upper end faces of the connecting ribs (4);
two fixedly connected with bracing piece (6) between pneumatic cylinder (1), piston cylinder (7) are installed to the up end of bracing piece (6), the inside swing joint of piston cylinder (7) has piston cylinder (8), piston cylinder (8) are hollow structure and inside and are provided with spring (10), the up end center fixedly connected with fixed block (9) of piston cylinder (7), the bottom and fixed block (9) fixed connection of spring (10).
2. A shock-absorbing device for an electric assist vehicle according to claim 1, characterized in that: two preceding terminal surface fixedly connected with fender support (11) between pneumatic cylinder (1), fender support (11) wholly is "door" font structure, fender mounting hole (12) have been seted up in the outer wall of fender support (11) run through.
3. A shock-absorbing device for an electric assist vehicle according to claim 1, characterized in that: and a dustproof seal (13) is arranged at the intersection of the hydraulic cylinder (1) and the piston rod (2).
4. A shock-absorbing device for an electric assist vehicle according to claim 1, characterized in that: two equal fixedly connected with mounting panel (14) in bottom of pneumatic cylinder (1), mounting hole groove (15) have been seted up in the outer wall of mounting panel (14) run through.
5. A shock-absorbing device for an electric assist vehicle according to claim 1, characterized in that: the connecting strut (5) is a high-carbon steel pipe.
6. A shock-absorbing device for an electric assist vehicle according to claim 1, characterized in that: and a brake cable buckle is arranged at the back of the hydraulic cylinder (1).
CN202221956887.8U 2022-07-27 2022-07-27 Damping device for electric power-assisted vehicle Active CN218063204U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221956887.8U CN218063204U (en) 2022-07-27 2022-07-27 Damping device for electric power-assisted vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221956887.8U CN218063204U (en) 2022-07-27 2022-07-27 Damping device for electric power-assisted vehicle

Publications (1)

Publication Number Publication Date
CN218063204U true CN218063204U (en) 2022-12-16

Family

ID=84401109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221956887.8U Active CN218063204U (en) 2022-07-27 2022-07-27 Damping device for electric power-assisted vehicle

Country Status (1)

Country Link
CN (1) CN218063204U (en)

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