CN217328261U - Liquid damping spring shock absorber - Google Patents
Liquid damping spring shock absorber Download PDFInfo
- Publication number
- CN217328261U CN217328261U CN202220656492.XU CN202220656492U CN217328261U CN 217328261 U CN217328261 U CN 217328261U CN 202220656492 U CN202220656492 U CN 202220656492U CN 217328261 U CN217328261 U CN 217328261U
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- cylinder part
- outer cylinder
- inner cylinder
- liquid
- shock absorber
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- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 238000013016 damping Methods 0.000 title claims abstract description 36
- 230000035939 shock Effects 0.000 title claims abstract description 24
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a liquid damping spring shock absorber, which comprises a base, an elastic supporting structure, a damper and an upper cover, the elastic supporting structure comprises a plurality of springs which are arranged on the base in a circumference shape, the damper comprises an inner cylinder part, an outer cylinder part and a rubber soft sleeve, the inner cylinder part is arranged on the bottom surface of the upper cover, the outer cylinder part is arranged on the base, the sleeve is arranged outside the inner cylinder part, the outer cylinder part is filled with liquid, one end of the rubber soft sleeve is connected on the inner cylinder part, the other end is connected on the outer cylinder part, when the base or the upper cover is pressed, the inner cylinder part and the outer cylinder part move in opposite directions, the liquid in the inner cylinder part and the outer cylinder part is pressed to the cavity formed by the rubber soft sleeve and the inner cylinder part to flow, the liquid is converted into slow flow from fast flow when passing through the joint of the inner cylinder part and the outer cylinder part, otherwise, after the pressure is released, the liquid is converted into slow flow from fast flow through the joint of the inner cylinder part and the outer cylinder part, thereby cooperating with the spring to dampen vibration. The utility model discloses a spring and attenuator cooperation damping, the vibration isolation is effectual, the vibration isolation noise is low.
Description
Technical Field
The utility model relates to a damping technical field specifically relates to a liquid damping spring shock absorber.
Background
When a solid vibrates, the method of dissipating the energy of the solid vibration as much as possible in the damping layer is called damping vibration, and damping refers to an action of blocking the relative motion of an object and converting the motion energy into heat energy or other energy that can be dissipated. The damping spring shock absorber has the advantages of low frequency and large damping of the steel spring shock absorber, and can eliminate the inherent resonance amplitude phenomenon of the steel spring. The existing damping spring shock absorber has poor adjustability and low reliability in the using process, so that the vibration isolation effect is not ideal, and larger noise can be generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a effectual, the low liquid damping spring shock absorber of vibration isolation noise of vibration isolation.
The utility model discloses technical scheme as follows: a liquid damping spring shock absorber comprises a base, an elastic supporting structure, a damper and an upper cover, wherein the elastic supporting structure comprises springs, a plurality of springs are arranged on the base in a circumferential shape at equal intervals, the upper cover is installed at the top ends of the springs, the damper comprises an inner cylinder part, an outer cylinder part and a rubber soft sleeve, the inner cylinder part is installed on the upper cover and is surrounded by the springs, a cavity is formed in the bottom end of the inner cylinder part, the outer cylinder part is installed on the base, a containing cavity is formed in the outer cylinder part, the inner cylinder part extends into the containing cavity of the outer cylinder part, a seam through which liquid can pass is formed between the outer wall of the inner cylinder part and the cavity wall of the outer cylinder part, the rubber soft sleeve is sleeved on the outer side of the inner cylinder part, one end of the rubber soft sleeve extends and is sleeved on the outer peripheral surface of the outer cylinder part to prevent the liquid from flowing out, the liquid is filled in the containing cavity, and when the base or the upper cover is pressed, the inner cylinder part and the outer cylinder part move oppositely, and liquid in the cavity of the outer cylinder part is pressed to a cavity formed by the rubber soft sleeve and the outer wall of the inner cylinder part to flow so as to be matched with the spring for vibration reduction.
Further, the attenuator includes the guide slide, and the guide slide sets up in the upper cover bottom surface, just the installation cavity has been seted up to the guide slide, and interior section of thick bamboo portion and urceolus portion holding are in the installation cavity, and the rubber flexible sleeve is expanded and is supported and paste on the chamber wall of installation cavity after the pressurized.
Furthermore, the damper comprises a first hose clamp, wherein the first hose clamp is fixedly sleeved on the outer peripheral surface of the inner cylinder part and is used for fixing one end of the rubber soft sleeve on the inner cylinder part.
Furthermore, the damper comprises a second hose clamp which is fixedly sleeved on the peripheral surface of the outer cylinder part and is used for fixing one end of the rubber soft sleeve on the outer cylinder part relative to the first hose clamp.
Further, the bottom end of the outer cylinder part is provided with a penetrating oil seal hole, the damper comprises an oil seal cover, and the oil seal cover is arranged in the oil seal hole and used for sealing the oil seal hole.
Furthermore, the elastic support structure comprises a plurality of positioning shafts which are arranged on the base in a circumferential shape at equal intervals, and each positioning shaft is vertically arranged on the base and is wound by a corresponding spring to position the spring.
Furthermore, the liquid damping spring shock absorber comprises a plurality of limiting columns vertically arranged at the bottom of the upper cover, wherein every three limiting columns are distributed in a triangular mode and extend into the inner sides of the corresponding springs, so that the limiting springs can rock left and right.
Compared with the prior art: the utility model provides a liquid damping spring shock absorber through being equipped with spring and attenuator between base and upper cover to when base or upper cover pressurized, spring and attenuator are compressed, and the elasticity that the spring was overcome simultaneously to the interior section of thick bamboo portion of attenuator and urceolus portion removes in opposite directions, and liquid truns into slowly flowing by fast flowing when the seam crossing of section of thick bamboo portion and outer section of thick bamboo portion in the process, thereby realizes the damping. Through the design that the spring and the damper simultaneously generate effects, the phenomenon that the amplitude is increased sharply when the spring vibration isolator resonates is eliminated, the problem that the natural frequency of the rubber vibration isolator is high is solved, and the rubber vibration isolator has the advantages of strong adjustability, high reliability, good vibration isolation effect and low vibration isolation noise.
Drawings
Fig. 1 is a schematic structural diagram of a liquid damping spring shock absorber of the present invention.
In the figure:
1. a base; 2. an elastic support structure; 21. a spring; 22. positioning the shaft; 3. a damper; 31. an inner cylinder part; 32. an outer cylinder portion; 33. a rubber soft sleeve; 34. a guide slide; 35. a first hose clamp; 36. a second hose clamp; 37. sealing the oil cover; 4. an upper cover; 5. a limiting column; 6. and a limiting pin.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1, a liquid damping spring shock absorber includes a base 1, an elastic support structure 2, a damper 3 and an upper cover 4, where the elastic support structure 2 includes springs 21, and a plurality of the springs 21 are arranged on the base 1 at equal intervals in a circumferential shape, and the springs 21 are parallel to each other for damping shock. The damper 3 is arranged in the center of the base 1, surrounded by the springs 21, and used for being matched with the springs 21 to damp vibration. The upper cover 4 is arranged at the top ends of the springs 21 and is matched with the base 1 to clamp the springs 21 and the damper 3.
The damper 3 includes an inner cylinder 31, an outer cylinder 32 and a rubber soft sleeve 33, the inner cylinder 31 is mounted on the bottom surface of the upper cover 4 and surrounded by the plurality of springs 21, and a cavity is opened at the bottom end of the inner cylinder 31. The outer cylinder part 32 is installed on the base 1, the outer cylinder part 32 is provided with a containing cavity, and the containing cavity is filled with liquid. The inner tube 31 extends into the cavity of the outer tube 32, and a seam is formed between the outer wall of the inner tube 31 and the wall of the outer tube 32 for the liquid to pass through. The soft rubber sleeve 33 is sleeved outside the inner cylinder part 31, one end of the soft rubber sleeve 33 extends and is sleeved on the outer circumferential surface of the outer cylinder part 32, and the soft rubber sleeve 33 and the outer wall of the inner cylinder part 31 enclose a cavity for containing and sealing liquid flowing out from a joint of the inner cylinder part 31 and the outer cylinder part 32 and preventing the liquid from flowing out. In this embodiment, when the liquid in the cavity of the outer cylinder 32 is pressurized, the rubber soft sleeve 33 expands, so as to realize vibration damping.
The damper 3 further includes a first throat band 35 and a second throat band 36, and the first throat band 35 is fixedly fitted to the outer peripheral surface of the inner cylindrical portion 31, and is used to fix one end of the rubber soft sleeve 33 to the inner cylindrical portion 31 and prevent the rubber soft sleeve 33 from falling off from the inner cylindrical portion 31 when the rubber soft sleeve 33 is expanded. The second hose clamp 36 is fixedly fitted over the outer peripheral surface of the outer tube portion 32, and is used to fix the rubber hose 33 to the outer tube portion 32 at an end opposite to the first hose clamp 35, thereby preventing the rubber hose 33 from falling off from the outer tube portion 32 when the rubber hose 33 is expanded.
When the base 1 or the upper cover 4 is pressed, the plurality of springs 21 are compressed, the inner cylinder part 31 and the outer cylinder part 32 simultaneously overcome the elastic force of the springs 21 and move oppositely, so that liquid in the containing cavity of the outer cylinder part 32 is pressed to flow into a cavity surrounded by the rubber soft sleeve 33 and the outer wall of the inner cylinder part 31, the rubber soft sleeve 33 expands laterally, the liquid flows slowly from fast flow after passing through the joint of the inner cylinder part 31 and the outer cylinder part 32, on the contrary, the liquid in the cavity flows into the containing cavity of the outer cylinder part 32 after the pressure is released, and the liquid flows slowly from fast flow after passing through the joint of the inner cylinder part 31 and the outer cylinder part 32, so that the vibration is reduced by matching with the springs 21, and the amplitude change is small in the vibration reduction process, so that the vibration isolation noise is low.
Further, the bottom end of the outer cylinder 32 is provided with a through oil seal hole, the damper 3 includes an oil seal cover 37, and the oil seal cover 37 is installed in the oil seal hole and used for sealing the oil seal hole and preventing liquid leakage.
The liquid damping spring shock absorber comprises a plurality of limiting columns 5 vertically arranged at the bottom of the upper cover 4, wherein every three limiting columns 5 are distributed in a triangular mode at three angular points and extend into the inner side of a corresponding spring 21 to supply the limiting spring 21 and prevent the spring 21 from swinging to the outer side of the spring 21 in the telescopic damping process.
In addition, the liquid damping spring shock absorber further comprises a plurality of limiting pins 6 vertically arranged on the base 1, the limiting pins 6 are parallel to each other, the end points of every three limiting pins 6 on the same side are arranged in a triangular shape and extend into the inner sides of the corresponding springs 21, and therefore the limiting springs 21 can rock left and right.
Further, the base 1 is provided with a plurality of through holes (not shown), the outer cylinder 32 is provided with screw holes (not shown) matching with the plurality of through holes, and the outer cylinder 32 is fixed on the base 1 by passing through the through holes and screwing the screw holes through bolts.
Further, the upper cover 4 is provided with a plurality of through holes (not shown), the inner cylinder 31 is provided with pin holes matching the plurality of through holes, and the inner cylinder 31 is fixed on the upper cover 4 by passing pins through the through holes and screwing the pins into the pin holes.
Furthermore, a rubber pad is arranged on the bottom surface of the base 1 and used for damping vibration; it will be appreciated that the top surface of the upper cover 4 may also be provided with the rubber mat for further damping.
To sum up, the utility model discloses a be equipped with spring 21 and attenuator 3 between base 1 and upper cover 4 to when base 1 or upper cover 4 pressurized, spring 21 and attenuator 3 are compressed, and the elasticity that spring 21 was overcome simultaneously to attenuator 3's inner tube portion 31 and outer tube portion 32 moves in opposite directions, and liquid truns into slowly flowing by fast flow when the seam crossing of inner tube portion 31 and outer tube portion 32, thereby realizes the damping. Through the design that the spring 21 and the damper 3 simultaneously generate effects, the phenomenon that the amplitude is increased suddenly when the spring vibration isolator resonates is eliminated, the problem that the natural frequency of the rubber vibration isolator is high is solved, and the rubber vibration isolator has the advantages of strong adjustability, high reliability, good vibration isolation effect and low vibration isolation noise; the liquid damping spring shock absorber is wide in load range and strong in adaptability, and can simultaneously produce obvious effects on positive vibration isolation, negative vibration isolation and impact vibration isolation.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (7)
1. The utility model provides a liquid damping spring shock absorber, includes base (1), elastic support structure (2), attenuator (3) and upper cover (4), elastic support structure (2) include spring (21), a plurality of spring (21) are circumference form and arrange the setting on base (1) with equidistant, its characterized in that: the upper cover (4) is arranged at the top ends of the springs (21), the damper (3) comprises an inner cylinder part (31), an outer cylinder part (32) and a rubber soft sleeve (33), the inner cylinder part (31) is arranged at the bottom surface of the upper cover (4) and is surrounded by the springs (21), a cavity is formed in the bottom end of the inner cylinder part (31), the outer cylinder part (32) is arranged on the base (1), a containing cavity is formed in the outer cylinder part (32), the containing cavity is filled with liquid, the inner cylinder part (31) extends into the containing cavity of the outer cylinder part (32), a seam through which the liquid can pass is formed between the outer wall of the inner cylinder part (31) and the cavity wall of the outer cylinder part (32), the rubber soft sleeve (33) is sleeved outside the inner cylinder part (31), one end of the rubber soft sleeve (33) extends and is sleeved on the outer peripheral surface of the outer cylinder part (32) to prevent the liquid from flowing out, and when the base (1) or the upper cover (4) is pressed, the inner cylinder part (31) and the outer cylinder part (32) move oppositely, and liquid in a cavity of the outer cylinder part (32) flows towards a cavity formed by the outer walls of the rubber soft sleeve (33) and the inner cylinder part (31) under the action of pressure, so that the matching spring (21) can damp vibration.
2. The liquid damping spring shock absorber according to claim 1, wherein: damper (3) are including leading slide (34), lead slide (34) and set up in upper cover (4) bottom surface, just lead slide (34) and seted up the installation cavity, inner tube portion (31) and outer section of thick bamboo portion (32) holding are in the installation cavity, and expansion and support paste on the chamber wall of installation cavity behind rubber soft cover (33) pressurized.
3. The liquid damping spring shock absorber according to claim 2, wherein: the damper (3) comprises a first hose clamp (35), wherein the first hose clamp (35) is fixedly sleeved on the outer peripheral surface of the inner tube part (31) and is used for fixing one end of the rubber soft sleeve (33) on the inner tube part (31).
4. The liquid damping spring shock absorber according to claim 3, wherein: the damper (3) comprises a second hose clamp (36), the second hose clamp (36) is fixedly sleeved on the outer peripheral surface of the outer cylinder part (32) and is used for fixing one end of the rubber soft sleeve (33) on the outer cylinder part (32) relative to the first hose clamp (35).
5. The liquid damping spring shock absorber according to claim 4, wherein: the bottom end of the outer cylinder part (32) is provided with a penetrating oil seal hole, the damper (3) comprises an oil seal cover (37), and the oil seal cover (37) is installed in the oil seal hole and used for sealing the oil seal hole.
6. The liquid damping spring shock absorber according to claim 1, wherein: elastic support structure (2) are including location axle (22), and are a plurality of location axle (22) are circumference form and arrange the setting on base (1) equally spaced, and each location axle (22) is established immediately on base (1), for corresponding spring (21) cover around to supply location spring (21).
7. The liquid damping spring shock absorber according to claim 6, wherein: the spring limiting mechanism comprises a plurality of limiting columns (5) vertically arranged at the bottom of an upper cover (4), wherein every three limiting columns (5) are distributed in a triangular mode and extend into the inner side of a corresponding spring (21) to enable the limiting spring (21) to swing left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220656492.XU CN217328261U (en) | 2022-03-23 | 2022-03-23 | Liquid damping spring shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220656492.XU CN217328261U (en) | 2022-03-23 | 2022-03-23 | Liquid damping spring shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328261U true CN217328261U (en) | 2022-08-30 |
Family
ID=83001805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220656492.XU Active CN217328261U (en) | 2022-03-23 | 2022-03-23 | Liquid damping spring shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328261U (en) |
-
2022
- 2022-03-23 CN CN202220656492.XU patent/CN217328261U/en active Active
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