CN219176852U - Shock-absorbing assembly for motor vehicle - Google Patents

Abstract

The utility model discloses a damping component for a motor vehicle, which belongs to the technical field of motor vehicle damping and comprises a damping outer cylinder, wherein a movable rod penetrates through the upper end of the damping outer cylinder, the lower end of the movable rod is fixedly connected with a first piston, a main oil cavity is formed in the damping outer cylinder, a spring is arranged between the main oil cavity and the first piston, the first piston is positioned in the main oil cavity, the size of an inner opening of the main oil cavity is identical to the size of an outer opening of the first piston, and an edge oil cavity is communicated with the edge of the bottom of the main oil cavity. The utility model has the beneficial effects that the second piston at the bottom in the side oil cavity can change the size of the inlet of the connecting cavity through the adjustment of the first threaded rod, thereby changing the communication caliber of the side oil cavity and the main oil cavity, changing the flow resistance of hydraulic oil, increasing the resistance when the inlet is smaller, and reducing the shock and hardness when the inlet is smaller, so that the shock absorption force of the shock absorption component can be adjusted in such a way, and the shock absorption effect and the driving feeling are ensured.

Description

Shock-absorbing assembly for motor vehicle

Technical Field

The utility model relates to the technical field of motor vehicle damping, in particular to a damping component for a motor vehicle.

Background

The english name MV (abbreviation for MotorVehicle) of a motor vehicle means "motor vehicle", which is a wheeled vehicle driven or towed by a power unit, driven on a road, used for riding or (and) transporting objects or performing special works, and a part of amusement facilities (such as electric shooting vehicles, electric scooter, electric bicycle, etc.), which can be classified into automobiles and automobile trains, motorcycles and scooters, tractor transportation units, wheeled special machinery vehicles and electric vehicles, etc.

Application number: 201920660741.0; a motor vehicle shock absorber based on mechanical basis is disclosed, comprising an outer cylinder. This motor vehicle shock absorber based on mechanical basis makes the promotion stopper extrusion be located the inside fluid of inner tube through movable rod downward atress, fluid is pressed and is got into the oil pocket and form preliminary shock attenuation, thereby fluid is pushed the inner tube and moves down and make buffer spring do further shock attenuation work by extruded in-process, and the inner tube moves down the time magnetic movable block be close to the fixed disk and promote the magnetic rotating block for the magnetic rotating block rotates, consume movable rod decurrent power, and repulsion force between the magnetism forms the cushioning effect again, do not have physical friction when making the inner tube move down through the combined action of fixed magnetic plate and movable magnetic block, the possibility that leads to damaging because of the friction has been reduced, and the device has adopted the structure of inside and outside two-layer better for the shock absorber on the market leak protection effect.

The shock absorber of the above comparison document can not adjust damping resistance according to needs in the process of damping through hydraulic oil, so that the situation that damping is too soft or too hard easily occurs, if the damping is too hard, the damping effect of a motor vehicle is poor, otherwise, driving feeling is reduced, collision damage of a damping component is easily caused, and aiming at the situation, the damping component for the motor vehicle is provided.

Disclosure of Invention

The utility model aims to provide a damping component for a motor vehicle, which solves the problem that damping force cannot be adjusted in the prior art.

The technical scheme of the utility model is as follows:

including the shock attenuation urceolus, the shock attenuation urceolus upper end runs through there is the movable rod, movable rod lower extreme fixedly connected with first piston, the inside main oil pocket that has seted up of shock attenuation urceolus, be provided with the spring between main oil pocket and the first piston, first piston is located main oil pocket, the internal orifice size of main oil pocket is identical with the external orifice size of first piston, main oil pocket bottom edge intercommunication has the limit oil pocket, the intercommunication has the connecting chamber between limit oil pocket and the main oil pocket, shock attenuation urceolus outer wall threaded connection has first threaded rod, the one end fixedly connected with second piston that the first threaded rod is close to main oil pocket, the second piston is located limit oil intracavity bottom.

Further, a first magnet is arranged in the first piston, and a second magnet is arranged at the bottom of the main oil cavity.

Further, the second threaded rod is connected with the upper end of the damping outer cylinder in a threaded mode, the third piston is fixedly connected with the lower end of the second threaded rod, and the third piston is located in the side-road oil cavity.

Further, the outer wall of the third piston is provided with a plurality of sealing rings.

Further, the outer wall of the second threaded rod is in threaded connection with a threaded ring, and the threaded ring is in threaded connection with the upper end of the damping outer cylinder.

Further, the shock-absorbing assembly for the motor vehicle is characterized in that: the first threaded rod outer wall is provided with a wire groove, and scale grooves are equidistantly formed in the wire groove.

The utility model provides a shock absorption component for a motor vehicle through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, the second piston at the bottom in the side oil cavity can change the size of the inlet of the connecting cavity through the adjustment of the first threaded rod, so that the communication caliber of the side oil cavity and the main oil cavity is changed, the flow resistance of hydraulic oil is changed, the smaller the inlet is, the larger the resistance is, the harder the damping is, the damping force of the damping component can be adjusted in such a way, and the damping effect and the driving feeling are ensured.

And two,: according to the utility model, the second threaded rod can be rotated to adjust the third piston at the tail end to move along the side oil cavity, so that the space size of the side oil cavity is changed, the smaller the space is, the smaller the flow of hydraulic oil is, the larger the resistance is, and the damping force of the damping component can be further changed.

And thirdly,: according to the utility model, the sealing rings are arranged on the outer wall of the third piston, so that the sealing performance of the piston can be improved, the leakage of hydraulic oil is avoided, and the arranged threaded rings can rotate along the second threaded rod and are in threaded connection with the top of the damping outer cylinder, so that the sealing performance of the hydraulic oil is further improved.

Drawings

The utility model is further explained below with reference to the drawings and examples:

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

FIG. 2 is a schematic view of a first threaded rod of the present utility model;

fig. 3 is a schematic view of the structure of a second threaded rod according to the present utility model.

Reference numerals illustrate: 1. a damping outer cylinder; 2. a movable rod; 3. a first piston; 4. a spring; 5. a main oil chamber; 6. a side road oil cavity; 7. a connecting cavity; 8. a first threaded rod; 9. a second piston; 10. a third piston; 11. a second threaded rod; 12. a threaded ring; 13. a seal ring; 14. a wire slot; 15. a scale groove; 16. a first magnet; 17. a second magnet.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in detail with reference to fig. 1 to 3, and it is obvious that the described embodiments 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.

The utility model provides a shock absorption component for a motor vehicle through improvement, as shown in figures 1-3, the shock absorption component comprises a shock absorption outer cylinder 1, a movable rod 2 penetrates through the upper end of the shock absorption outer cylinder 1, the lower end of the movable rod 2 is fixedly connected with a first piston 3, a main oil cavity 5 is arranged in the shock absorption outer cylinder 1, a spring 4 is arranged between the main oil cavity 5 and the first piston 3, the first piston 3 is positioned in the main oil cavity 5, the inner opening size of the main oil cavity 5 is identical with the outer opening size of the first piston 3, the bottom edge of the main oil cavity 5 is communicated with an edge oil cavity 6, a connecting cavity 7 is communicated between the edge oil cavity 6 and the main oil cavity 5, a first threaded rod 8 is connected with the outer wall of the shock absorption outer cylinder 1 in a threaded manner, one end of the first threaded rod 8 close to the main oil cavity 5 is fixedly connected with a second piston 9, the second piston 9 is positioned at the inner bottom of the edge oil cavity 6, the vibration damper of the application is connected with a motor vehicle through the movable rod 2, the vibration force borne by the motor vehicle is transmitted to the movable rod 2, the movable rod 2 can move along the main oil cavity 5 through the first piston 3 and extrude the hydraulic oil inside to flow into the side oil cavity 6, the first piston 3 can reset through the elasticity of the spring 4 so as to buffer the vibration force, the second piston 9 at the bottom in the side oil cavity 6 can change the size of the inlet of the connecting cavity 7 through the adjustment of the first threaded rod 8, so that the communication caliber of the side oil cavity 6 and the main oil cavity 5 is changed, the flow resistance of the hydraulic oil is changed, the larger the resistance is, the harder the shock absorption is realized, the shock absorption force of the vibration damper can be adjusted through the mode, and the shock absorption effect and the driving feeling are ensured.

The first magnet 16 is arranged in the first piston 3, the second magnet 17 is arranged at the inner bottom of the main oil cavity 5, and the first magnet 16 in the first piston can generate mutual repulsive force with the second magnet 17 at the bottom in the main oil cavity 5 along with the further downward movement of the first piston 3, so that the first piston 3 is prevented from being damaged by collision with the inner bottom of the main oil cavity 5.

The second threaded rod 11 is connected to the upper end of the shock-absorbing outer cylinder 1 in a threaded mode, the third piston 10 is fixedly connected to the lower end of the second threaded rod 11, the third piston 10 is located in the side-road oil cavity 6, the second threaded rod 11 is arranged to enable the third piston 10 at the tail end to be adjusted to move along the side-road oil cavity 6 through rotation, therefore the space size of the side-road oil cavity 6 is changed, the smaller the space is, the smaller the flow of hydraulic oil is, the larger the resistance is, and the shock-absorbing force of the shock-absorbing assembly can be further changed.

The outer wall of the third piston 10 is provided with a plurality of sealing rings 13, so that the sealing performance of the piston can be improved, and leakage of hydraulic oil is avoided.

The outer wall threaded connection of second threaded rod 11 has screwed ring 12, and screwed ring 12 and shock attenuation urceolus 1 upper end threaded connection, and the screwed ring 12 that sets up can carry out rotary motion along second threaded rod 11 to with shock attenuation urceolus 1 top threaded connection, thereby further improves the leakproofness of hydraulic oil.

The wire casing 14 has been seted up to first threaded rod 8 outer wall, and the equidistance is provided with scale groove 15 in the wire casing 14, and scale groove 15 in the wire casing 14 can make things convenient for personnel to observe first threaded rod 8's length of adjustment, conveniently carries out resistance adjustment and consults.

Working principle: firstly, the vibration absorbing component is connected with the motor vehicle through the movable rod 2, so that the vibration force borne by the motor vehicle is transmitted to the movable rod 2, the movable rod 2 can move along the main oil cavity 5 through the first piston 3 and squeeze hydraulic oil in the movable rod to flow into the side oil cavity 6, the first piston 3 can reset through the elasticity of the spring 4 so as to buffer the vibration force, then the second piston 9 at the bottom in the side oil cavity 6 can change the size of the inlet of the connecting cavity 7 through the adjustment of the first threaded rod 8, the communication caliber of the side oil cavity 6 and the main oil cavity 5 is changed, so that the flow resistance of the hydraulic oil is changed, the smaller the inlet is, the larger the resistance is, the stiffer the vibration is damped, the damping force of the vibration absorbing component can be adjusted in the mode, guarantee shock attenuation effect and driving impression, and the terminal third piston 10 of second threaded rod 11 accessible rotation regulation that sets up is along the side way oil chamber 6 removal, thereby change the space size in side way oil chamber 6, the space is less, then the circulation of hydraulic oil is less, the resistance is bigger, can further change damper's shock attenuation dynamics, along with the further downmovement of first piston 3, its inside first magnetite 16 can produce the repulsion with the second magnetite 17 of main oil pocket 5 inner bottom, thereby avoid first piston 3 and main oil pocket 5 inner bottom collision damage, the equidistant scale groove 15 that is provided with in the wire casing 14 that the outer wall of first threaded rod 8 was seted up finally, can make things convenient for personnel to observe the regulation length of first threaded rod 8, conveniently carry out resistance adjustment reference.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A shock absorbing assembly for use in a motor vehicle, characterized by: including shock attenuation urceolus (1), shock attenuation urceolus (1) upper end runs through there is movable rod (2), first piston (3) of movable rod (2) lower extreme fixedly connected with, main oil pocket (5) have been seted up to shock attenuation urceolus (1) inside, be provided with spring (4) between main oil pocket (5) and first piston (3), first piston (3) are located main oil pocket (5), the internal orifice size of main oil pocket (5) coincide with the external orifice size of first piston (3), main oil pocket (5) bottom edge intercommunication has limit oil cavity (6), the intercommunication has connecting chamber (7) between limit oil cavity (6) and the main oil pocket (5), shock attenuation urceolus (1) outer wall threaded connection has first threaded rod (8), one end fixedly connected with second threaded rod (9) that first threaded rod (8) are close to main oil pocket (5), second piston (9) are located limit oil cavity (6) inner bottom.

2. A motor vehicle shock absorber assembly as claimed in claim 1, wherein: a first magnet (16) is arranged in the first piston (3), and a second magnet (17) is arranged at the inner bottom of the main oil cavity (5).

3. A motor vehicle shock absorber assembly as claimed in claim 1, wherein: the damping outer cylinder (1) is connected with a second threaded rod (11) through threads, a third piston (10) is fixedly connected to the lower end of the second threaded rod (11), and the third piston (10) is located in the side-path oil cavity (6).

4. A motor vehicle shock absorber assembly as claimed in claim 3, wherein: the outer wall of the third piston (10) is provided with a plurality of sealing rings (13).

5. A motor vehicle shock absorber assembly as claimed in claim 3, wherein: the outer wall of the second threaded rod (11) is in threaded connection with a threaded ring (12), and the threaded ring (12) is in threaded connection with the upper end of the shock-absorbing outer cylinder (1).

6. A motor vehicle shock absorber assembly as claimed in claim 1, wherein: the outer wall of the first threaded rod (8) is provided with a wire groove (14), and scale grooves (15) are formed in the wire groove (14) at equal intervals.

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