CN217814734U

CN217814734U - Shock-proof structure with high stability

Info

Publication number: CN217814734U
Application number: CN202222279434.2U
Authority: CN
Inventors: 秦臻; 任彪; 丁想; 黎伟玉
Original assignee: Shenzhen Zhishengfu Science & Technology Co ltd
Current assignee: Shenzhen Zhishengfu Science & Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-15
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a shock absorber structure that stability is high, including the surge drum, the inside working chamber of having seted up of surge drum, the oil storage chamber that communicates with the working chamber is seted up to the inside of surge drum lateral wall, the surface of surge drum is equipped with radiator unit, radiator unit includes the heat dissipation section of thick bamboo of fixed mounting at the surge drum outer surface, surge drum lateral wall fixed mounting has a plurality of radiating fin, the air intake has been seted up to the positive bottom of a heat dissipation section of thick bamboo, the inner wall of a heat dissipation section of thick bamboo and the top fixed mounting who is located radiating fin have radiator fan. This shock absorber structure that stability is high, after the temperature of hydraulic oil became high, the heat of hydraulic oil can be transmitted to a radiating cylinder through radiating fin to this heat that dilutes hydraulic oil lets hydraulic oil be in relatively stable state, can let the operation of piston keep at steady state, has avoided letting the oil viscosity step-down because the oil temperature is too high, leads to the problem that the piston action is slow, has guaranteed the stability of whole shock absorber operation.

Description

Shock-proof structure with high stability

Technical Field

The utility model relates to a shock absorber technical field specifically is a shock absorber structure that stability is high.

Background

The shock absorber is required to absorb shock caused by the wheel encountering rough road surface, so that the shock absorber is comfortable to ride, and the conventional mainstream shock absorbers are generally classified into telescopic shock absorbers and strut type shock absorbers.

When the strut type shock absorber is in actual use, the shock absorber is when high-speed flexible, because mechanical energy is too high, can make the oil temperature in the shock absorber too high to let the oil viscosity step-down, lead to damping actuating mechanism slow motion, make the operating condition of shock absorber unstable, lead to the shock attenuation effect variation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a shock absorber structure that stability is high possesses advantages such as operating condition stability height.

For realizing the high purpose of above-mentioned operating condition stability, the utility model provides a following technical scheme: the utility model provides a shock absorber structure that stability is high, includes the surge drum, the inside working chamber that has seted up of surge drum, the oil storage chamber with the working chamber intercommunication is seted up to the inside of surge drum lateral wall, the inside of surge drum is equipped with the damping damper who extends to the surge drum top, the surface of surge drum is equipped with radiator unit, damping damper includes the piston rod of slidable mounting in the surge drum, the bottom of piston rod is equipped with the piston, the interior diapire of surge drum is equipped with the base, the top of surge drum and the surface movable mounting who is located the piston rod have a dust tube, the top of surge drum and the surface movable mounting who is located the dust tube have a straight section of thick bamboo type spring, radiator unit includes the heat dissipation section of thick bamboo of fixed mounting at the surge drum outer surface, surge drum lateral wall fixed mounting has a plurality of radiating fin, the air intake has been seted up to the positive bottom of heat dissipation section of thick bamboo, the inner wall of heat dissipation section of thick bamboo and the top fixed mounting that is located radiating fin have radiator fan.

Furthermore, the piston rod and the piston are both connected with the shock absorption cylinder in a sliding mode, a rebound stopper is fixedly mounted on the surface of the piston rod and above the piston, and the diameter of the rebound stopper is 0.1-0.2 cm smaller than the inner diameter of the working cavity.

Further, the inside in working chamber and oil storage chamber all is filled with hydraulic oil, and hydraulic oil occupies four-seventh of the total space in working chamber and oil storage chamber, and the remaining space packing in working chamber and oil storage chamber has nitrogen gas.

Further, the base includes the bottom plate of fixed mounting at the bottom wall of working chamber, and the central fixed mounting of oil storage intracavity bottom wall has vertical well core rod that runs through the bottom plate, and well core rod is "T" shape pole, and well core rod's surface activity installs two pagoda type springs, two the pagoda type spring is arranged in bottom plate top and oil storage chamber respectively, the top the bottom fixed mounting of pagoda type spring has the baffle of pushing down, the bottom the top fixed mounting of pagoda type spring has the resilience baffle.

Furthermore, a pressing through hole communicated with the oil storage cavity is formed in the surface of the bottom plate and located around the center rod, resilience through holes are formed in the surface of the bottom plate and located on two sides of the pressing through hole, the pressing baffle is a circular ring plate, and the inner diameter of the pressing baffle is 0.1-0.2 cm smaller than that of the pressing through hole.

Further, the top of piston rod and the equal fixed mounting in bottom of damper cylinder have the mounting panel, and a plurality of screw thread mounting hole has been seted up on the mounting panel surface.

Further, radiating fin is the ring shape, and radiating fin's inboard extends to the inside in oil storage chamber, and radiating fin's the outside extends to the inside of a radiating cylinder, and radiator fan fixed mounting has the wire, the lateral wall and the top of damper cylinder the equal fixed mounting of diapire of mounting panel has the thimble, and the wire passes the thimble.

Compared with the prior art, the utility model provides a shock absorber structure that stability is high possesses following beneficial effect:

this shock absorber structure that stability is high, after the temperature of hydraulic oil became high, the heat of hydraulic oil can be passed through radiating fin and transmitted to the radiating cylinder, dilute the heat of hydraulic oil with this, let hydraulic oil be in the state of relative stability, can let the operation of piston keep at stable state, avoided letting oil viscosity step down because the oil temperature is too high, lead to the slow problem of piston action, the effectual stability of whole shock absorber operation of having guaranteed, in addition, because the vehicle is under the travel state, so outside wind accessible air intake enters into inside the radiating cylinder, then flow from the radiating cylinder top, with this radiating fin radiating efficiency can be accelerated, simultaneously, utilize radiator fan will follow the air that the air intake got into with faster speed and discharge from the radiating cylinder top, radiating fin's radiating efficiency has further been promoted, thereby the running state of whole shock absorber is more stable.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged sectional view of the base of the present invention;

fig. 3 is a front view of the heat dissipating tube of the present invention.

In the figure: the device comprises a damping cylinder 1, a working chamber 2, an oil storage chamber 3, a piston rod 4, a rebound stopper 5, a piston 6, a base 7, a bottom plate 71, a central rod 72, a pagoda-shaped spring 73, a downward pressing baffle 74, a rebound baffle 75, a dustproof cylinder 8, a straight cylinder-shaped spring 9, a mounting plate 10, a heat dissipation cylinder 11, heat dissipation fins 12, an air inlet 13, a heat dissipation fan 14, a lead 15 and a threading ring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, a shock absorbing structure with high stability includes a shock absorbing cylinder 1, a working chamber 2 is disposed inside the shock absorbing cylinder 1, and an oil storage chamber 3 communicated with the working chamber 2 is disposed inside a side wall of the shock absorbing cylinder 1.

Hydraulic oil is filled in the working chamber 2 and the oil storage chamber 3, occupies four-sevenths of the total space of the working chamber 2 and the oil storage chamber 3, and nitrogen is filled in the residual space of the working chamber 2 and the oil storage chamber 3.

The damping tube 1 is internally provided with a damping assembly extending to the top end of the damping tube 1 for achieving the purpose of shock absorption.

Damping damper includes piston rod 4 of slidable mounting in damper cylinder 1, the length of piston rod 4 is greater than the length of damper cylinder 1, the inside movable mounting who just is located working chamber 2 in the bottom of piston rod 4 has piston 6, piston rod 4 and piston 6 all with damper cylinder 1 sliding connection, and be equipped with base 7 at the interior diapire of damper cylinder 1, the top of damper cylinder 1 and the surface movable mounting who is located piston rod 4 have dust tube 8, the top of damper cylinder 1 and the surface movable mounting who is located dust tube 8 have straight section of thick bamboo type spring 9.

It should be noted that, in order to avoid the leakage of the hydraulic oil from the gap between the piston rod 4 and the shock tube 1, an oil seal ring is added to the top wall of the shock tube 1 during production.

The rebound stopper 5 is fixedly mounted on the surface of the piston rod 4 and above the piston 6, and the diameter of the rebound stopper 5 is 0.1-0.2 cm smaller than the inner diameter of the working cavity 2, so that when the piston rod 4 contracts towards the shock absorption cylinder 1, a gap between the rebound stopper 5 and the inner wall of the working cavity 2 is small, and hydraulic oil can achieve a damping effect when passing through the rebound stopper 5.

It should be noted that, the base 7 and the piston 6 have similar structures, and both of them have the actual effects of playing a role of damping, and the base 7 and the piston 6 are common structures of the existing automotive shock absorbers, so only the base 7 is developed in detail herein.

Referring to fig. 2, the base 7 includes a bottom plate 71 fixedly mounted on the bottom wall of the working chamber 1, a central rod 72 vertically penetrating through the bottom plate 71 is fixedly mounted at the center of the bottom wall of the oil storage chamber 3, the central rod 72 is a "T" shaped rod, two pagoda-shaped springs 73 are movably mounted on the surface of the central rod 72, the two pagoda-shaped springs 73 are respectively located above the bottom plate 71 and in the oil storage chamber 3, a pressing baffle 74 is fixedly mounted at the bottom end of the top pagoda-shaped spring 73, and a rebound baffle 75 is fixedly mounted at the top end of the bottom pagoda-shaped spring 73.

Wherein, the bottom plate 71 surface and be located central rod 72 around seted up the through-hole that pushes down with the oil storage chamber intercommunication, the surface of bottom plate 71 and be located the both sides of pushing down the through-hole and all seted up the resilience through-hole, push down baffle 74 and be the link plate, push down the inner diameter of baffle 74 and be less than the internal diameter of pushing down the through-hole 0.1-0.2 centimetre.

When piston 6 moves down, under the pressure of hydraulic oil, it moves down to push down baffle 74, and then the shutoff is kick-backed the through-hole, and rebound baffle 75 releases and pushes down the through-hole, lets hydraulic oil flow into oil storage chamber 3 by working chamber 2 through pushing down the through-hole, and when the piston is kick-backed, under the traction of piston 6, hydraulic oil backs up and pushes down baffle 74, lets rebound baffle 75 through-hole release, lets rebound baffle 75 shutoff push down the through-hole simultaneously, makes hydraulic oil flow into working chamber 2 by oil storage chamber 3 through the rebound through-hole. The calibers of the press through hole and the rebound through hole are smaller, so that the damping effect can be achieved when hydraulic oil is transferred.

The surface of the damping cylinder 1 is provided with a heat dissipation assembly for cooling hydraulic oil, so that the damping assembly can run more stably.

Referring to fig. 1 or fig. 3, the heat dissipation assembly includes a heat dissipation cylinder 11 fixedly mounted on the outer surface of the damping cylinder 1, and a plurality of annular heat dissipation fins 12 are fixedly mounted on the side wall of the damping cylinder 1.

The inner sides of the radiating fins 12 extend into the oil storage cavity 3, the outer sides of the radiating fins 12 extend into the radiating cylinder 11, and heat of hydraulic oil is transferred to the radiating cylinder 11 through heat conduction, so that the hydraulic oil is cooled.

The air inlet 13 is formed in the bottom end of the front face of the heat dissipation cylinder 11, when the heat dissipation cylinder is installed, the air inlet 13 faces the head of an automobile, and in the driving process of the automobile, outside air can enter the heat dissipation cylinder 11 through the air inlet 13 and then is discharged from the top end of the heat dissipation cylinder 11, so that heat of the heat dissipation fins 12 is taken away.

A heat radiation fan 14 is fixedly installed on the inner wall of the heat radiation cylinder 11 and above the heat radiation fins 12, a lead 15 is fixedly installed on the heat radiation fan 14, threading rings 16 are fixedly installed on the side wall of the shock absorption cylinder 1 and the bottom wall of the top installation plate 10, and the lead 15 penetrates through the threading rings 16.

The blowing direction of the heat dissipation fan 14 is upward, and the air entering the heat dissipation cylinder 11 from the air inlet 13 can be discharged out of the heat dissipation cylinder 11 faster by the heat dissipation fan 14, thereby further improving the heat dissipation effect.

Finally, the top end of the piston rod 4 and the bottom end of the shock absorption cylinder 1 are fixedly provided with mounting plates 10, and the surfaces of the mounting plates 10 are provided with a plurality of threaded mounting holes for mounting the device on an automobile.

When the embodiment is in use, after the temperature of hydraulic oil becomes high, the heat of hydraulic oil can be transmitted to the heat dissipation cylinder 11 through the heat dissipation fins 12, thereby diluting the heat of hydraulic oil, and making hydraulic oil be in a relatively stable state, because the vehicle is in a driving state, so that the external air enters the heat dissipation cylinder 11 through the air inlet 13, and then flows out from the upper side of the heat dissipation cylinder 11, thereby accelerating the heat dissipation efficiency of the heat dissipation fins 12, and simultaneously, the air entering from the air inlet 13 is discharged from the upper side of the heat dissipation cylinder 11 at a higher speed by utilizing the heat dissipation fan 14, and the heat dissipation efficiency of the heat dissipation fins 12 is further improved.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a shock absorber structure that stability is high, includes damper cylinder (1), its characterized in that: a working cavity (2) is formed in the shock absorption cylinder (1), an oil storage cavity (3) communicated with the working cavity (2) is formed in the side wall of the shock absorption cylinder (1), a damping shock absorption assembly extending to the top end of the shock absorption cylinder (1) is arranged in the shock absorption cylinder (1), and a heat dissipation assembly is arranged on the surface of the shock absorption cylinder (1);

the damping shock absorption assembly comprises a piston rod (4) which is slidably mounted in a shock absorption cylinder (1), a piston (6) is arranged at the bottom end of the piston rod (4), a base (7) is arranged on the inner bottom wall of the shock absorption cylinder (1), a dust prevention cylinder (8) is movably mounted at the top of the shock absorption cylinder (1) and positioned on the surface of the piston rod (4), and a straight cylinder type spring (9) is movably mounted at the top of the shock absorption cylinder (1) and positioned on the surface of the dust prevention cylinder (8);

the heat dissipation assembly comprises a heat dissipation cylinder (11) fixedly mounted on the outer surface of a shock absorption cylinder (1), a plurality of heat dissipation fins (12) are fixedly mounted on the side wall of the shock absorption cylinder (1), an air inlet (13) is formed in the front bottom end of the heat dissipation cylinder (11), and a heat dissipation fan (14) is fixedly mounted on the inner wall of the heat dissipation cylinder (11) and located above the heat dissipation fins (12).

2. A shock absorbing structure with high stability according to claim 1, wherein: piston rod (4) and piston (6) all with damper cylinder (1) sliding connection, the surface of piston rod (4) and the top fixed mounting who is located piston (6) have resilience stopper (5), the internal diameter of the diameter ratio working chamber (2) of resilience stopper (5) is less than 0.1-0.2 centimetre.

3. A shock absorbing structure with high stability according to claim 1, wherein: the inside of working chamber (2) and oil storage chamber (3) all is filled with hydraulic oil, and hydraulic oil occupies four-seventh of working chamber (2) and oil storage chamber (3) total space, and the remaining space packing of working chamber (2) and oil storage chamber (3) has nitrogen gas.

4. A shock absorbing structure with high stability according to claim 1, wherein: base (7) include bottom plate (71) of fixed mounting diapire in working chamber (2), and the central fixed mounting of diapire has vertical well core rod (72) that runs through bottom plate (71) in oil storage chamber (3), and well core rod (72) are "T" shape pole, and the surface activity of well core rod (72) installs two pagoda type springs (73), two pagoda type spring (73) are arranged in bottom plate (71) top and oil storage chamber (3) respectively, the top the bottom fixed mounting of pagoda type spring (73) has down to push down baffle (74), the bottom the top fixed mounting of pagoda type spring (73) has resilience baffle (75).

5. A shock absorbing structure with high stability according to claim 4, wherein: the surface of the bottom plate (71) is positioned around the central rod (72) and is provided with a pressing through hole communicated with the oil storage cavity, the surface of the bottom plate (71) is positioned on two sides of the pressing through hole and is provided with a springback through hole, the pressing baffle (74) is a circular ring plate, and the inner diameter of the pressing baffle (74) is 0.1-0.2 cm smaller than that of the pressing through hole.

6. A shock absorbing structure with high stability according to claim 1, wherein: the damping cylinder is characterized in that mounting plates (10) are fixedly mounted at the top end of the piston rod (4) and the bottom end of the damping cylinder (1), and a plurality of thread mounting holes are formed in the surfaces of the mounting plates (10).

7. A shock absorbing structure with high stability as set forth in claim 6, wherein: radiating fin (12) are ring shape, and the inboard of radiating fin (12) extends to the inside of oil storage chamber (3), and the outside of radiating fin (12) extends to the inside of heat dissipation section of thick bamboo (11), and radiator fan (14) fixed mounting has wire (15), the lateral wall and the top of damper cylinder (1) the equal fixed mounting of diapire of mounting panel (10) has thimble (16), and thimble (16) are passed in wire (15).