CN220060354U

CN220060354U - Adjustable shock absorber

Info

Publication number: CN220060354U
Application number: CN202321279197.8U
Authority: CN
Inventors: 张梦祥; 石阳; 王永; 张纯
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-11-21
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses an adjustable shock absorber, which comprises a main body assembly, wherein the main body assembly comprises a damper, a lower supporting seat, a first damping spring and an upper supporting seat, the lower supporting seat is fixed on the outer side of the damper, the first damping spring is arranged at the top of the lower supporting seat, and the upper supporting seat is fixed on the outer side of the damper and positioned at the top of the first damping spring; the adjusting assembly comprises a second damping spring, a connecting piece, a locking piece and a limiting piece, wherein the second damping spring is arranged at the top of the lower supporting seat and is positioned at the outer side of the first damping spring; according to the utility model, the damping effect is achieved on the equipment through the main body assembly, the elastic force for damping the main body assembly is adjusted through the arrangement of the adjusting assembly, and when the equipment is about to generate larger pressure, the elastic force of the main body assembly can be increased through the adjusting assembly, so that stronger pressure impact can be responded.

Description

Adjustable shock absorber

Technical Field

The utility model relates to the technical field of vibration absorbers, in particular to an adjustable vibration absorber.

Background

Shock absorbers are mechanical or hydraulic devices designed to absorb and dampen impact pulses by converting the kinetic energy of the impact into another form of energy which is then dissipated, and are commonly used in automobiles and some mechanical devices where shock absorption is desired. In the prior art, a Chinese patent with the name of 'shock absorber' and the application number of 2022202293721 is disclosed, the shock absorber comprises a first cylinder body, a piston rod is movably arranged in the first cylinder body, a first valve group is arranged in the first cylinder body, a second valve group is arranged at the end part of the piston rod, and the second valve group is positioned at one side of the first valve group; a dustproof part is arranged between the piston rod and the first cylinder body, and the dustproof part is matched with the piston rod. One side of the first cylinder body is provided with a second cylinder body, the second cylinder body is communicated with the first cylinder body, an air bag is arranged in the second cylinder body, and the air bag is positioned on the other side of the first valve group. Aiming at the technical problem of insufficient oil liquid backflow of the shock absorber, the air bag is arranged to fill the gap of the cavity in the cylinder, so that the oil liquid is guaranteed to fully flow back.

Because the equipment is different in the rocking that produces in the use, therefore the pressure that damping spring received also is different, and when the equipment produced rocked too big, the pressure that damping spring received just can increase, and the pressure that damping spring received is greater than the limit that self bore when, will lose the effect of damping, and if the elasticity of damping spring is too big, then can't play the effect of damping, most shock absorber among the prior art can't adjust the elasticity of damping, consequently will lead to the shock absorber to lose the effect of damping when receiving pressure and damping spring's elasticity difference too big, and it is comparatively inconvenient to use.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or existing problems occurring in the prior art adjustable shock absorbers.

Therefore, the utility model aims to solve the problem that most of the vibration dampers in the prior art cannot adjust the vibration damping elasticity, so that the vibration damper loses the vibration damping effect when the difference between the pressure and the elasticity of the vibration damping spring is too large, and is inconvenient to use.

In order to solve the technical problems, the utility model provides the following technical scheme: an adjustable shock absorber comprises a main body assembly, wherein the main body assembly comprises a damper, a lower supporting seat, a first damping spring and an upper supporting seat, the lower supporting seat is fixed on the outer side of the damper, the first damping spring is arranged at the top of the lower supporting seat, and the upper supporting seat is fixed on the outer side of the damper and is positioned at the top of the first damping spring;

the adjusting assembly comprises a second damping spring, a connecting piece, a locking piece and a limiting piece, wherein the second damping spring is arranged at the top of the lower supporting seat and is positioned at the outer side of the first damping spring, the connecting piece is arranged at the top of the upper supporting seat, the locking piece is positioned in the connecting piece, and the limiting piece is arranged on the connecting piece.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the connecting piece comprises a positioning frame and a movable block, wherein the positioning frame is fixed on the top of the upper supporting seat, and the movable block is positioned in the positioning frame.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the connecting piece still includes locating shaft, connecting block and fixed cover, the locating shaft is fixed in the movable block, the connecting block rotate connect in the locating shaft outside, fixed cover is fixed in connecting block one side.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the fixed sleeve is arc-shaped.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the locking piece comprises a locking piece, a cavity is formed in the movable piece, the locking piece is located in the cavity, a limiting hole is formed in the positioning frame, and the locking piece is clamped with the limiting hole.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the number of the limiting holes is two, and the limiting holes are respectively positioned at two sides of the top of the positioning frame.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the locking piece further comprises a fixing plate and a first spring, wherein the fixing plate is fixed at the bottom of the locking piece, and two ends of the first spring are respectively fixed with the fixing plate and the inner wall of the cavity.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the locating part includes locating sleeve, movable sleeve, slider and stopper, the locating sleeve is fixed in connecting block one side, the movable sleeve peg graft in the locating sleeve, the slider is fixed in the locating shaft outside, seted up the spout in the movable sleeve, the slider slide in the spout, the stopper is fixed in the movable sleeve outside, set up the spacing groove in the locating sleeve, the stopper slide in the spacing inslot.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the number of the limiting grooves is multiple, and the limiting grooves are uniformly distributed in the positioning sleeve in an annular mode.

As a preferred embodiment of the adjustable shock absorber according to the present utility model, wherein: the limiting piece further comprises a second spring, two ends of the second spring are respectively fixed with the movable sleeve and the connecting block, and the second spring is sleeved on the outer side of the positioning shaft.

The utility model has the beneficial effects that: plays the absorbing effect through main part subassembly to equipment, through adjusting the setting of subassembly for adjust main part subassembly damping elasticity, when equipment is about to produce great pressure, the elasticity of main part subassembly is increased to accessible adjusting the subassembly, with this can handle stronger pressure impact.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall construction diagram of the present utility model.

Fig. 2 is a structural view of the upper supporting seat in the present utility model.

Fig. 3 is a cross-sectional view of the connector according to the present utility model.

Fig. 4 is a cross-sectional view of another view of the connector of the present utility model.

Fig. 5 is a partially enlarged structural view of a in fig. 4.

In the figure: 100 main body components, 101 dampers, 102 lower supporting seats, 103 first damping springs, 104 upper supporting seats, 200 adjusting components, 201 second damping springs, 202 connecting pieces, 203 locking pieces, 204 limiting pieces, 202a positioning frames, 202b movable blocks, 202c positioning shafts, 202d connecting blocks, 202e fixed sleeves, 203a locking pieces, 203b fixed plates, 203c first springs, 204a positioning sleeves, 204b movable sleeves, sliding blocks 204c,204d limiting blocks, 204e second springs, Z chambers, X limiting holes, V sliding grooves and S limiting grooves.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 5, in a first embodiment of the present utility model, an adjustable vibration energy recovery damper is provided, and the adjustable vibration energy recovery damper includes a main body assembly 100, including a damper 101, a lower support seat 102, a first damping spring 103 and an upper support seat 104, wherein the lower support seat 102 is fixed on the outer side of the damper 101, the first damping spring 103 is disposed on the top of the lower support seat 102, and the upper support seat 104 is fixed on the outer side of the damper 101 and is located on the top of the first damping spring 103.

The lower support seat 102 and the upper support seat 104 are used for installing and fixing the first damping spring 103, and damping and buffering mechanical equipment through the damper 101 and the first damping spring 103.

Specifically, the adjusting assembly 200 includes a second damping spring 201, a connecting member 202, a locking member 203 and a limiting member 204, where the second damping spring 201 is disposed at the top of the lower supporting seat 102 and is located outside the first damping spring 103, the connecting member 202 is disposed at the top of the upper supporting seat 104, the locking member 203 is located in the connecting member 202, and the limiting member 204 is disposed on the connecting member 202.

Through the setting of second damping spring 201, when the pressure that mechanical equipment received is little, this moment second damping spring 201 can not compressed, when mechanical equipment is about to be at the pressure too big, this moment be connected last supporting seat 104 and second damping spring 201 through connecting piece 202, when making last supporting seat 104 move downwards, can compress first damping spring 103 and second damping spring 201 simultaneously, so can increase the damping nature to mechanical equipment, thereby avoid the condition that mechanical equipment takes place to shake severely, through the setting of locking piece 203, be used for locking the position of connecting piece 202, avoid the condition that connecting piece 202 can take place the skew in the use, through setting of locating part 204, be used for more firm with connecting piece 202 and second damping spring 201, avoid the condition that both take place the separation, second damping spring 201 can be fixed with lower supporting seat 102 through the mode of welding or clamp, make second damping spring 201 firm fixing in lower supporting seat 102, so as to avoid the condition that second damping spring 201 can take place to shake when not compressing.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present utility model is based on the previous embodiment.

Specifically, the connecting piece 202 includes a positioning frame 202a and a movable block 202b, the positioning frame 202a is fixed on the top of the upper supporting seat 104, and the movable block 202b is located in the positioning frame 202 a.

The number of the connecting pieces 202 is two, the two connecting pieces are respectively positioned at two sides of the top of the upper supporting seat 104, two groups of connecting pieces 202 can be used for simultaneously pressing two sides of the top end of the second damping spring 201, so that the situation that the second damping spring 201 can deviate during compression is avoided, the movable block 202b is movably connected with the inside of the positioning frame 202a, when the second damping spring 201 needs to be compressed, the movable block 202b moves towards the outer side of the positioning frame 202a, and the movable block 202b contacts with the top of the second damping spring 201, so that when the upper supporting seat 104 moves downwards, the second damping spring 201 can be compressed through the movable block 202 b.

Specifically, the connecting piece 202 further includes a positioning shaft 202c, a connecting block 202d, and a fixed sleeve 202e, the positioning shaft 202c is fixed in the movable block 202b, the connecting block 202d is rotatably connected to the outer side of the positioning shaft 202c, and the fixed sleeve 202e is fixed on one side of the connecting block 202 d.

The fixed sleeve 202e is provided with an opening at one side, when the movable block 202b moves to the top end of the second damping spring 201, the connecting block 202d and the fixed sleeve 202e are rotated downwards, and the fixed sleeve 202e is clamped at the outer side of the end of the second damping spring 201, so that the stability of the connection between the movable block 202b and the second damping spring 201 can be improved, and the movable block 202b can deviate when compressing the second damping spring 201.

Specifically, the fixing sleeve 202e is arc-shaped.

By setting the fixing sleeve 202e to be arc-shaped, the fixing sleeve 202e can be attached to the second damper spring 201 when being clamped outside the second damper spring 201, thereby avoiding the shaking of the fixing sleeve 202e and the second damper spring.

Specifically, the locking piece 203 includes a locking piece 203a, a chamber Z is formed in the movable piece 202b, the locking piece 203a is located in the chamber Z, a limiting hole X is formed in the positioning frame 202a, and the locking piece 203a is engaged with the limiting hole X.

When the locking piece 203a is clamped in the limiting hole X, the movable piece 202b can be limited by matching the locking piece 203a with the limiting hole X, so that the movable piece 202b can shake in the positioning frame 202a in the using process is avoided.

Specifically, the number of the limiting holes X is two, and the limiting holes X are respectively located at two sides of the top of the positioning frame 202 a.

By setting the number of the limit holes X to two, the movable block 202b can be locked when the movable block 202b is at both positions.

Example 3

Referring to fig. 1 to 5, a third embodiment of the present utility model is based on the first two embodiments.

Specifically, the locking piece 203 further includes a fixing plate 203b and a first spring 203c, the fixing plate 203b is fixed to the bottom of the locking piece 203a, and two ends of the first spring 203c are fixed to the fixing plate 203b and the inner wall of the chamber Z respectively.

The fixed plate 203b is used for limiting the locking piece 203a, so that the situation that the locking piece 203a is separated from the chamber Z is avoided, and the first spring 203c applies an upward thrust to the fixed plate 203b and the locking piece 203a, so that the locking piece 203a is fastened with the limiting hole X, and the situation that the locking piece 203a is separated from the limiting hole X is avoided.

Specifically, the limiting member 204 includes a positioning sleeve 204a, a movable sleeve 204b, a sliding block 204c and a limiting block 204d, wherein the positioning sleeve 204a is fixed on one side of the connecting block 202d, the movable sleeve 204b is inserted into the positioning sleeve 204a, the sliding block 204c is fixed on the outer side of the positioning shaft 202c, a sliding groove V is formed in the movable sleeve 204b, the sliding block 204c slides in the sliding groove V, the limiting block 204d is fixed on the outer side of the movable sleeve 204b, a limiting groove S is formed in the positioning sleeve 204a, and the limiting block 204d slides in the limiting groove S.

The movable sleeve 204b is connected with the positioning shaft 202c through the matching of the sliding block 204c and the sliding groove V, so that the movable sleeve 204b can horizontally move outside the positioning shaft 202c without rotating, the positioning sleeve 204a is connected with the movable sleeve 204b through the matching of the limiting block 204d and the limiting groove S, so that the movable sleeve 204b can horizontally move in the positioning sleeve 204a and cannot rotate, the connecting block 202d and the fixed sleeve 202e can be limited, the connecting block 202d and the fixed sleeve 202e can stay in the current state, an isolation chamber is formed at the end part of the limiting groove S, and when the movable sleeve 204b is pushed to drive the limiting block 204d to enter the isolation chamber, the limiting block 204d is separated from the limiting groove S, so that the limitation on the positioning sleeve 204a is removed, and the connecting block 202d and the fixed sleeve 202e can be rotationally adjusted.

Specifically, the number of the limiting grooves S is plural, and the limiting grooves S are uniformly distributed in the positioning sleeve 204a in a ring shape.

By providing a plurality of stopper grooves S, the connection block 202d and the fixing sleeve 202e can be fixed at any angle.

Specifically, the limiting member 204 further includes a second spring 204e, and two ends of the second spring 204e are respectively fixed to the movable sleeve 204b and the connecting block 202d, and sleeved on the outer side of the positioning shaft 202 c.

The second spring 204e applies a pushing force to the movable sleeve 204b, so that the movable sleeve 204b can be reset after moving, and the stopper 204d can be engaged with the stopper groove S.

When the vibration damping device is used, when mechanical equipment is subjected to pressure and the generated pressure is too small, the upper supporting seat 104 is compressed downwards, the first vibration damping spring 103 is compressed through the upper supporting seat 104, at the moment, vibration damping and buffering of the mechanical equipment can be completed through the first vibration damping spring 103, when the pressure to be applied to the mechanical equipment is too large, the locking block 203a is pressed downwards at the moment to be separated from the current limiting hole X, the limitation of the movable block 202b is removed, the movable block 202b is pulled to move, the movable block 202b is moved to the top of the second vibration damping spring 201, at the moment, the first spring 203c is used for applying an upward thrust to the fixed plate 203b and the locking block 203a, the position of the movable block 202b can be locked through the first spring 203c, meanwhile, the movable sleeve 204b is pressed, the limiting block 204d is driven by the movable sleeve 204b to enter the inside of the isolation chamber, the limiting block 204d is separated from the limiting groove S, the positioning sleeve 204a is removed, the fixed sleeve 202d and the fixed sleeve 202e are rotated, the fixed sleeve 202e is pressed downwards, the second vibration damping spring 202b is prevented from being pressed downwards, and the second vibration damping spring is prevented from being pressed downwards, and the fixed sleeve 202e is pressed downwards, and the second vibration damping spring is prevented from being pressed to be pressed against the fixed sleeve 204b, and the movable sleeve 202b is pressed downwards, and the movable sleeve 204b is pressed upwards, and the position is prevented from being pressed upwards, and the position of the vibration damping device is pressed.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. An adjustable shock absorber, characterized in that: comprising the steps of (a) a step of,

the main body assembly (100) comprises a damper (101), a lower supporting seat (102), a first vibration reduction spring (103) and an upper supporting seat (104), wherein the lower supporting seat (102) is fixed on the outer side of the damper (101), the first vibration reduction spring (103) is arranged at the top of the lower supporting seat (102), and the upper supporting seat (104) is fixed on the outer side of the damper (101) and is positioned at the top of the first vibration reduction spring (103);

the adjusting assembly (200) comprises a second damping spring (201), a connecting piece (202), a locking piece (203) and a limiting piece (204), wherein the second damping spring (201) is arranged at the top of the lower supporting seat (102) and is located outside the first damping spring (103), the connecting piece (202) is arranged at the top of the upper supporting seat (104), the locking piece (203) is located in the connecting piece (202), and the limiting piece (204) is arranged on the connecting piece (202).

2. The adjustable shock absorber of claim 1, wherein: the connecting piece (202) comprises a positioning frame (202 a) and a movable block (202 b), wherein the positioning frame (202 a) is fixed at the top of the upper supporting seat (104), and the movable block (202 b) is positioned in the positioning frame (202 a).

3. The adjustable shock absorber of claim 2, wherein: the connecting piece (202) further comprises a positioning shaft (202 c), a connecting block (202 d) and a fixed sleeve (202 e), wherein the positioning shaft (202 c) is fixed in the movable block (202 b), the connecting block (202 d) is rotationally connected to the outer side of the positioning shaft (202 c), and the fixed sleeve (202 e) is fixed on one side of the connecting block (202 d).

4. An adjustable shock absorber according to claim 3, wherein: the fixing sleeve (202 e) is arc-shaped.

5. An adjustable shock absorber according to claim 3 or 4, wherein: the locking piece (203) comprises a locking piece (203 a), a cavity (Z) is formed in the movable block (202 b), the locking piece (203 a) is located in the cavity (Z), a limiting hole (X) is formed in the positioning frame (202 a), and the locking piece (203 a) is clamped with the limiting hole (X).

6. The adjustable shock absorber of claim 5, wherein: the number of the limiting holes (X) is two, and the limiting holes are respectively positioned at two sides of the top of the positioning frame (202 a).

7. The adjustable shock absorber of claim 6, wherein: the locking piece (203) further comprises a fixing plate (203 b) and a first spring (203 c), the fixing plate (203 b) is fixed to the bottom of the locking piece (203 a), and two ends of the first spring (203 c) are respectively fixed to the fixing plate (203 b) and the inner wall of the cavity (Z).

8. An adjustable shock absorber according to claim 6 or claim 7, wherein: the limiting piece (204) comprises a positioning sleeve (204 a), a movable sleeve (204 b), a sliding block (204 c) and a limiting block (204 d), wherein the positioning sleeve (204 a) is fixed on one side of the connecting block (202 d), the movable sleeve (204 b) is inserted into the positioning sleeve (204 a), the sliding block (204 c) is fixed on the outer side of the positioning shaft (202 c), a sliding groove (V) is formed in the movable sleeve (204 b), the sliding block (204 c) slides in the sliding groove (V), the limiting block (204 d) is fixed on the outer side of the movable sleeve (204 b), a limiting groove (S) is formed in the positioning sleeve (204 a), and the limiting block (204 d) slides in the limiting groove (S).

9. The adjustable shock absorber of claim 8, wherein: the number of the limiting grooves (S) is multiple, and the limiting grooves are uniformly distributed in the positioning sleeve (204 a) in an annular shape.

10. The adjustable shock absorber of claim 9, wherein: the limiting piece (204) further comprises a second spring (204 e), two ends of the second spring (204 e) are respectively fixed with the movable sleeve (204 b) and the connecting block (202 d), and are sleeved on the outer side of the positioning shaft (202 c).