CN213176619U

CN213176619U - Inverted hydraulic damping shock absorber

Info

Publication number: CN213176619U
Application number: CN202022032310.5U
Authority: CN
Inventors: 舒岳林
Original assignee: Jiangsu Long Domain Power Technology Co ltd
Current assignee: Jiangsu Long Domain Power Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-11
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an inverted hydraulic damping shock absorber relates to mechanical equipment technical field. The utility model discloses an including first sleeve, the second sleeve, third sleeve and piston pipe, the one end of piston pipe is provided with the butt in the first damping head of the outer wall of the telescopic inner wall of third and piston pipe, the surface of the overhead piston pipe of first damping is provided with the butt in the second damping head of third sleeve inner wall and piston pipe outer wall, first damping hole and second damping hole have been seted up respectively on first damping head and the second damping head, be provided with first elastic component between first sleeve and the third sleeve, the telescopic inside of third is provided with the second elastic component, the inside reserve chamber that is provided with of the third sleeve of second damping overhead side. The utility model discloses a set up first elastic component, second elastic component, first damping head, second damping head and reserve chamber, it is weak to have solved current bumper shock absorber damping performance, and the shock attenuation upper limit is low, fragile and the short problem of life.

Description

Inverted hydraulic damping shock absorber

Technical Field

The utility model belongs to the technical field of mechanical equipment, especially, relate to an inverted hydraulic damping shock absorber.

Background

Mechanical devices are of a wide variety, and some of their components, even themselves, may undergo different forms of mechanical movement when the mechanical device is in operation. The shock absorber is used for inhibiting the shock generated when the spring absorbs the shock and rebounds and the impact from the road surface, is widely used for automobiles and is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobile. When the shock absorber passes through an uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still do reciprocating motion, the shock absorber is used for inhibiting the spring from jumping, the shock absorber is common and commonly used power equipment, kinetic energy is converted into heat energy through damping generated by the shock absorber, and therefore the shock absorbing effect is achieved, but the existing shock absorber has the following defects:

1. traditional bumper shock absorber shock attenuation effect is lower, is not suitable for complicated topography, and is higher to the environmental requirement, and the damping performance is weak.

2. The traditional shock absorber has lower upper limit, can not absorb shock well for larger shock, is easy to damage and reduces the service life of the shock absorber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inverted hydraulic damping bumper shock absorber, through setting up first elastic component, second elastic component, first damping head, second damping head and reserve chamber, it is weak to have solved current bumper shock absorber damping performance, and the shock attenuation upper limit is low, fragile and the short problem of life.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an inverted hydraulic damping shock absorber, which comprises a first sleeve, a second sleeve, a third sleeve and a piston tube, wherein the second sleeve is inserted in the first sleeve, the third sleeve is sleeved in the second sleeve, the piston tube inserted in the third sleeve is arranged in the first sleeve, the piston tube is used for downward movement under stress, one end of the piston tube is provided with a first damping head which is butted with the inner wall of the third sleeve and the outer wall of the piston tube, the surface of the piston tube above the first damping head is provided with a second damping head which is butted with the inner wall of the third sleeve and the outer wall of the piston tube, the first damping head and the second damping head are used for downward movement along with the piston tube, the first damping hole and the second damping hole are respectively arranged on the first damping head and the second damping head, the first damping hole and the second damping hole are used for damping, a first elastic element is arranged between the first sleeve and the third sleeve, the inside second elastic component that is provided with of third sleeve, first elastic component and second elastic component are used for the bradyseism, the inside reserve chamber that is provided with of third sleeve above the second damping head, reserve chamber is used for producing reserve damping.

Further, the first baffle of first telescopic inside upper end fixedly connected with, first baffle are used for sealing first sleeve, the telescopic inside lower extreme fixedly connected with second baffle of second, the second baffle is used for sealing the second sleeve, the upper surface of first baffle and the lower fixed surface of second baffle are connected with the connector, and the connector is used for the utility model discloses be connected with external equipment, the lower surface of first baffle and the upper end fixed connection of piston tube, the upper surface and the telescopic lower extreme fixed connection of third of second baffle.

Furthermore, the upper end of the inside of the second sleeve is fixedly connected with a fixed baffle which is sleeved on the outer wall of the third sleeve and used for sealing the second sleeve.

Further, the upper end of the first elastic member abuts against the lower surface of the first baffle plate, the lower end of the first elastic member abuts against the upper surface of the fixed baffle plate, the upper end of the second elastic member abuts against the lower surfaces of the piston tube and the first damping head, and the lower end of the second elastic member abuts against the upper surface of the second baffle plate, so that the positions for fixing the first elastic member and the second elastic member are set.

Further, be provided with the vacuum cavity between second sleeve and the third sleeve, the vacuum cavity is used for dustproof and give sound insulation, the inside oil storage chamber that is provided with of third sleeve of first damping head below, oil storage chamber are used for storing hydraulic oil, the inside damping chamber that is provided with of third sleeve between first damping head and the second damping head, the damping chamber is used for producing the damping.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up first elastic component and second elastic component, solved the problem that current bumper shock absorber damping performance is weak, the utility model discloses higher damping performance has, the utility model discloses be provided with first elastic component and second elastic component, the upper end butt of first elastic component in the lower surface of first baffle, the lower extreme butt of first elastic component in fixed stop's upper surface, the upper end butt of second elastic component in the lower surface of piston tube and first damping head, the lower extreme butt of second elastic component in the upper surface of second baffle makes the utility model discloses first elastic component and second elastic component receive the extrusion work simultaneously when meetting pressure to obtain effectual shock attenuation effect, strengthened the utility model discloses a damping performance.

2. The utility model solves the problems of low upper limit of shock absorption, easy damage and short service life of the prior shock absorber by arranging the first damping head, the second damping head and the standby cavity, the utility model is provided with the first damping head, the second damping head and the standby cavity, the first damping hole is arranged in the first damping head, when the utility model is pressurized, the hydraulic oil enters the damping cavity from the oil storage cavity through the first damping hole by extrusion to complete energy conversion and realize damping shock absorption, the second damping head is provided with a second damping hole, after fluid got into the damping chamber and can not satisfied the utility model discloses a shock attenuation requires, hydraulic oil can follow the damping chamber and get into reserve chamber through the second damping hole, further carries out energy conversion, realizes the damping shock attenuation, makes the utility model discloses have higher shock attenuation upper limit, and be difficult for receiving great pressure and damage, increased the utility model discloses a life.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the appearance three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;

fig. 3 is a schematic perspective view of the first sleeve and the second sleeve of the present invention;

fig. 4 is a schematic perspective view of a third sleeve and a piston tube according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

100. a first sleeve; 101. a first baffle plate; 102. a first elastic member; 200. a second sleeve; 201. a second baffle; 202. fixing a baffle plate; 203. a vacuum chamber; 300. a third sleeve; 301. a second elastic member; 302. an oil storage chamber; 303. a damping chamber; 304. a reserve chamber; 400. a piston tube; 401. a first damping head; 4011. a first orifice; 402. a second damping head; 4021. a second orifice; 500. a connecting head.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to an inverted hydraulic damping shock absorber, which comprises a first sleeve 100, a second sleeve 200, a third sleeve 300 and a piston tube 400, wherein the second sleeve 200 is inserted into the first sleeve 100, the third sleeve 300 is inserted into the second sleeve 200, the piston tube 400 inserted into the third sleeve 300 is disposed in the first sleeve 100, the piston tube 400 is forced to move downward to apply work, so that energy can be transmitted and converted, one end of the piston tube 400 is provided with a first damping head 401 abutting against the inner wall of the third sleeve 300 and the outer wall of the piston tube 400, the surface of the piston tube 400 above the first damping head 401 is provided with a second damping head 402 abutting against the inner wall of the third sleeve 300 and the outer wall of the piston tube 400, the first damping head 401 and the second damping head 402 move downward to apply work along with the piston tube 400, and are simultaneously inserted into the inner wall of the third sleeve 300 tightly, so that hydraulic oil is not easy to leak from the edge, first damping hole 4011 and second damping hole 4021 have been seted up on first damping head 401 and the second damping head 402 respectively, first damping hole 4011 and second damping hole 4021 are along with first damping head 401 and second damping head 402 downstream, make extruded hydraulic oil flow out from first damping hole 4011 and second damping hole 4021, form the damping, be provided with first elastic component 102 between first sleeve 100 and the third sleeve 300, the inside of third sleeve 300 is provided with second elastic component 301, first elastic component 102 and second elastic component 301 make the utility model discloses a produce more damping and shock attenuation effects at the during operation, the inside reserve chamber 304 that is provided with of third sleeve 300 above the second damping head 402, reserve chamber 304 is the utility model discloses a when damping chamber 303 has satisfied the demand, the space that hydraulic oil needs to pass through, produce reserve damping.

As shown in fig. 2 and 3, the first baffle 101 is fixedly connected to the inner upper end of the first sleeve 100, the first baffle 101 seals the upper end of the first sleeve 100, the second baffle 201 is fixedly connected to the inner lower end of the second sleeve 200, the second baffle 201 seals the lower end of the second sleeve 200, the upper surface of the first baffle 101 and the lower surface of the second baffle 201 are fixedly connected to the connector 500, the connector 500 connects and fixes the utility model to an external device, the lower surface of the first baffle 101 is fixedly connected to the upper end of the piston tube 400, the upper surface of the second baffle 201 is fixedly connected to the lower end of the third sleeve 300, and the piston tube 400 and the first baffle 101, the third sleeve 300 and the second baffle 201 are fixedly connected to form a whole;

the inside upper end fixedly connected with fixed stop 202 of second sleeve 200, and fixed stop 202 cup joints in the outer wall of third sleeve 300, and fixed stop 202 makes the upper end of second sleeve 200 sealed, and fixed stop 202 makes the difficult skew in position of third sleeve 300.

As shown in fig. 2, the upper end of the first elastic member 102 abuts against the lower surface of the first baffle 101, the lower end of the first elastic member 102 abuts against the upper surface of the fixed baffle 202, the upper end of the second elastic member 301 abuts against the lower surfaces of the piston tube 400 and the first damping head 401, and the lower end of the second elastic member 301 abuts against the upper surface of the second baffle 201, so that the positions of the first elastic member 102 and the second elastic member 301 are limited, and the first elastic member 102 and the second elastic member 301 perform effective work.

Wherein as shown in fig. 2, 4, be provided with vacuum cavity 203 between second sleeve 200 and the third sleeve 300, vacuum cavity 203 makes the utility model discloses have dustproof and syllable-dividing effect, the inside oil storage chamber 302 that is provided with of third sleeve 300 of first damping head 401 below, oil storage chamber 302 is the space of storing hydraulic oil, the inside damping chamber 303 that is provided with of third sleeve 300 between first damping head 401 and the second damping head 402, damping chamber 303 is the space that hydraulic oil passed through when doing work, can produce the damping.

The working principle is as follows: the utility model is connected with the external device through the connector 500 arranged on the utility model, when the utility model meets the pressure, the first sleeve 100 moves downwards, the second sleeve 200 moves upwards relatively, when the first sleeve 100 moves downwards, the piston tube 400 fixedly connected with the lower surface of the first sleeve is driven to move downwards through the first baffle 101, when the second sleeve 200 moves upwards, the third sleeve 300 fixedly connected with the upper surface of the second sleeve is driven to move upwards through the second baffle 201, at the moment, the first elastic part 102 positioned between the first sleeve 100 and the third sleeve 300 and the second elastic part 301 positioned in the third sleeve 300 start to shrink by extrusion, the vibration and the pressure of the utility model are relieved, one end of the piston tube 400 is provided with the first damping head 401 which is butted against the inner wall of the third sleeve 300 and the outer wall of the piston tube 400, the first damping hole 4011 is arranged in the first damping head 401, the second damping head 402 abutting against the inner wall of the third sleeve 300 and the outer wall of the piston tube 400 is arranged above the first damping head 401, the second damping hole 4021 is arranged in the second damping head 402, at this time, under the influence of extrusion force, hydraulic oil in the oil storage cavity 302 enters the damping cavity 303 through the first damping hole 4011, the first damping hole 4011 damps the hydraulic oil in the entering process, so as to further relieve the vibration and pressure of the utility model, when the utility model meets higher pressure and vibration, the first damping hole 4011 and the damping cavity 303 can not meet the requirement, the hydraulic oil can further enter the standby cavity 304 from the damping cavity 303 through the second damping hole 4021 arranged in the second damping head 402, the second damping hole 4021 damps the hydraulic oil in the entering process, so as to further relieve the vibration and pressure of the utility model, so that the utility model can effectively absorb vibration when meeting higher pressure and vibration, make the utility model discloses be difficult for receiving higher pressure and vibrations and damage, increased its life, simultaneously, the utility model discloses be provided with vacuum cavity 203 between well second sleeve 200 and the third sleeve 300, vacuum cavity 203 has dustproof and syllable-dividing effect, and is right the utility model discloses protect, work as the utility model discloses after accomplishing energy conversion and shock attenuation, first elastic component 102 and second elastic component 301 resume initial state, first sleeve 100 and second sleeve 200 also reply the position before the motion, hydraulic oil from reserve chamber 304 through second damping hole 4021, damping chamber 303 and first damping hole 4011 slowly flow in oil storage chamber 302 this moment, so far the utility model discloses the acting finishes.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An inverted hydraulic damping shock absorber comprising a first sleeve (100), a second sleeve (200), a third sleeve (300) and a piston tube (400), characterized in that: a second sleeve (200) is inserted in the first sleeve (100), a third sleeve (300) is sleeved in the second sleeve (200), a piston tube (400) inserted in the third sleeve (300) is arranged in the first sleeve (100), a first damping head (401) abutted to the inner wall of the third sleeve (300) and the outer wall of the piston tube (400) is arranged at one end of the piston tube (400), a second damping head (402) abutted to the inner wall of the third sleeve (300) and the outer wall of the piston tube (400) is arranged on the surface of the piston tube (400) above the first damping head (401), a first damping hole (4011) and a second damping hole (4021) are respectively formed in the first damping head (401) and the second damping head (402), a first elastic element (102) is arranged between the first sleeve (100) and the third sleeve (300), and a second elastic element (301) is arranged in the third sleeve (300), a standby cavity (304) is arranged in the third sleeve (300) above the second damping head (402).

2. The inverted hydraulic damping shock absorber according to claim 1, wherein a first baffle (101) is fixedly connected to the inner upper end of the first sleeve (100), a second baffle (201) is fixedly connected to the inner lower end of the second sleeve (200), a connector (500) is fixedly connected to the upper surface of the first baffle (101) and the lower surface of the second baffle (201), the lower surface of the first baffle (101) is fixedly connected to the upper end of the piston tube (400), and the upper surface of the second baffle (201) is fixedly connected to the lower end of the third sleeve (300).

3. The inverted hydraulic damping shock absorber according to claim 1, wherein a fixed baffle (202) is fixedly connected to the inner upper end of the second sleeve (200), and the fixed baffle (202) is sleeved on the outer wall of the third sleeve (300).

4. The inverted hydraulic damping shock absorber according to claim 1, wherein the upper end of the first elastic member (102) abuts against the lower surface of the first baffle (101), the lower end of the first elastic member (102) abuts against the upper surface of the fixed baffle (202), the upper end of the second elastic member (301) abuts against the lower surfaces of the piston tube (400) and the first damping head (401), and the lower end of the second elastic member (301) abuts against the upper surface of the second baffle (201).

5. The inverted hydraulic damping shock absorber according to claim 1, wherein a vacuum chamber (203) is arranged between the second sleeve (200) and the third sleeve (300), an oil storage chamber (302) is arranged inside the third sleeve (300) below the first damping head (401), and a damping chamber (303) is arranged inside the third sleeve (300) between the first damping head (401) and the second damping head (402).