CN207814294U - A kind of adjustable rubber shock absorber of rigidity - Google Patents
A kind of adjustable rubber shock absorber of rigidity Download PDFInfo
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- CN207814294U CN207814294U CN201820112515.4U CN201820112515U CN207814294U CN 207814294 U CN207814294 U CN 207814294U CN 201820112515 U CN201820112515 U CN 201820112515U CN 207814294 U CN207814294 U CN 207814294U
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- adjustment rubber
- shock absorber
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Abstract
The utility model is related to dampening apparatus field, especially a kind of adjustable rubber shock absorber of rigidity comprising：Top plate；Pedestal；Rubber bodies, the rubber bodies are arranged between the top plate and pedestal；Connecting rod, the connecting rod pass through the top plate and pedestal, and connecting rod is provided at both ends with the compressed part that can shorten or increase top plate and pedestal spacing；Spacer；The rubber bodies include at least the first adjustment rubber and second adjustment rubber, and the first adjustment rubber and second adjustment rubber are separated by the spacer, and the connecting rod passes through in the middle part of the spacer；The first adjustment rubber and the second adjustment rubber are configured to meet：When the top plate and pedestal hypotelorism, compression of the first adjustment rubber on vertical is more than the second adjustment rubber, the compression of the second adjustment rubber in the horizontal is more than the first adjustment rubber, and the purpose of utility model of the utility model is to provide a kind of adjustable rubber shock absorber of rigidity.
Description
Technical field
The utility model is related to dampening apparatus field, especially a kind of adjustable rubber shock absorber of rigidity.
Background technology
Mechanical oscillation are prevalent in all kinds of mechanical equipments, and the presence of vibration can cause mechanical equipment and related personnel
Adverse effect, and damper is then used to reduce these vibrations.
Therefore, all kinds of dampers are widely used in the vibration isolation of mechanical equipment, for reducing noise, are improved and are relaxed
Appropriateness, prolonged mechanical equipment life.
Rubber shock absorber as a kind of important damping element, due to its shape design free high, can meet it is multidirectional just
The requirement of degree, internal resistance be high and the effect of vibration and noise reducing is good, non-linear load-carrying properties, the characteristics such as cheap are used for automobile, iron
Road locomotive, marine equipment, aircraft and other kinds mechanical equipment vibration and noise reducing in.Compared to traditional steel spring vibration damping
Device, rubber shock absorber have many advantages, such as, shape small with quality can freely, convenient disassembly.
The performance of rubber shock absorber is directly related to the effectiveness in vibration suppression of vibration insulating system；Influence the main of rubber shock absorber performance
For factor by rigidity and damping, damping is the inherent characteristic of rubber itself, influenced by shape it is little, and damper stiffness mainly by
Damper shape and properties of rubber influence.
Modern various mechanical equipments usually need to work under a variety of different environment, and vibration insulating system is subject to extraneous and interior
The excitation in portion also changes therewith, and the effectiveness in vibration suppression that reach best just needs to be adjusted the stiffness characteristics of damper.
Traditional rubber shock absorber is mostly metal and rubber laminate composite structure, stiffness characteristics in design just really
It is fixed, it can not adjust after mounting, in the operating mode of reply variation, its vibration isolating effect is unable to reach optimal.
Utility model content
In view of the problems of the existing technology, the purpose of utility model of the utility model is to provide a kind of rigidity adjustable
Rubber shock absorber.
To achieve the goals above, the technical solution adopted in the utility model is：
A kind of adjustable rubber shock absorber of rigidity comprising：
Top plate；
Pedestal；
Rubber bodies, the rubber bodies are arranged between the top plate and pedestal；
Connecting rod, the connecting rod passes through the top plate and pedestal, and being provided at both ends with for connecting rod can contract
Compressed part that is short or increasing top plate and pedestal spacing；
Spacer；
The rubber bodies include at least the first adjustment rubber and second adjustment rubber, and the first adjustment rubber and second are adjusted
Whole rubber is separated by the spacer, and the connecting rod passes through in the middle part of the spacer；
The first adjustment rubber and the second adjustment rubber are configured to meet：The top plate and pedestal hypotelorism
When, compression of the first adjustment rubber on vertical is more than the second adjustment rubber, and the second adjustment rubber is in transverse direction
On compression be more than the first adjustment rubber.
Top plate and pedestal are pulled to together by connecting rod, it is compressed by the rubber bodies between top plate and pedestal
Counter-force makes all close structures that must link together, formed damper, while and being provided at both ends with for connecting rod can shorten
The compressed part of top plate and pedestal spacing can compress the first adjustment rubber and second adjustment by shortening top plate and pedestal spacing
Rubber makes the rigidity of damper entirety become larger, or increases top plate and pedestal spacing, discharges the first adjustment rubber and second adjustment rubber
The elastic force of glue makes the rigidity of damper entirety become smaller, is applicable in different mechanical equipments, carries out the vibration isolation of different-effect, meanwhile, institute
It states the first adjustment rubber and the second adjustment rubber is configured to meet：When the top plate and pedestal hypotelorism, described
Compression of the one adjustment rubber on vertical is more than the second adjustment rubber, and the compression of the second adjustment rubber in the horizontal is big
In the first adjustment rubber, make the first adjustment rubber and second adjustment rubber phase ratio, it is integrally right to be more responsible for damper
Vibration damping on vertical makes the vibration amplitude of the first adjustment rubber and second adjustment rubber on vertical reduce, and second adjustment rubber
Glue is more responsible for damper integrally to the vibration damping in transverse direction, makes the first adjustment rubber and second adjustment rubber shaking in the horizontal
Dynamic amplitude reduces, while when the installation position of spacer and spacer, top plate and pedestal hypotelorism, the first adjustment rubber and
Second adjustment rubber can be compressed, its individual rigidity is made all to be increased, when ensure that the stiffness equivalent to damper, the
One adjustment rubber is still more responsible for damper integrally to the vibration damping of the power on vertical, and second adjustment rubber is still more born
Damper is blamed integrally to the vibration damping of the power in transverse direction, as top plate and pedestal spacing is increased, is finally reached the rigid of damper entirety
The process that the rigidity for the process and above-mentioned damper entirety that degree becomes smaller becomes larger is opposite.
As the preferred embodiment of the utility model, the first adjustment rubber expands in vertical upper compression in its transverse direction,
It is released effectively the release of the whole pressure received on vertical of damper.
As the preferred embodiment of the utility model, decrement of the second adjustment rubber on vertical is less than in its transverse direction
Decrement, be released effectively the release of pressure that damper integrally receives in the horizontal, while second adjustment rubber being made to reach more
Mostly it is responsible for damper integrally to the function of the vibration damping of the power in transverse direction.
As the preferred embodiment of the utility model, the first adjustment rubber is rotary body, structure it is more symmetrical and it is whole more
Stablize, evenly, effectiveness in vibration suppression is more preferable for the first adjustment rubber deformation when vibration damping.
As the preferred embodiment of the utility model, the second adjustment rubber is rotary body, structure it is more symmetrical and it is whole more
Stablize, evenly, effectiveness in vibration suppression is more preferable for second adjustment rubber deformation when vibration damping.
As the preferred embodiment of the utility model, the connecting rod passes through in the middle part of the first adjustment rubber, damper knot
Structure is more symmetrical, and effectiveness in vibration suppression is more preferable.
As the preferred embodiment of the utility model, the connecting rod passes through in the middle part of second adjustment rubber, damper knot
Structure is more symmetrical, and effectiveness in vibration suppression is more preferable.
As the preferred embodiment of the utility model, the surfaces of revolution of the first adjustment rubber be middle part have two relatively in
The hourglass-shaped figure of concave curve, rotary body are closed loop configuration, since the surfaces of revolution is the sand that middle part has two opposite inner concave curves
Shape figure is leaked, so there are the channels passed through for connecting rod at postrotational closed loop configuration center, and in the first adjustment rubber quilt
When compressive strain, waist is expanded to both sides, and inner concave curve, which rotates the cricoid trench surface of to be formed two, can make the first adjustment
When rubber is expanded to both sides (interior circumferential direction connecting rod expansion, outer shroud expands outward), there is enough expansive spaces, ensure not with
Other component generates interference, especially for the interference of connecting rod, if rotated without inner concave curve to be formed towards inner annular
Trench surface, the waist of the first adjustment rubber readily accesses connecting rod and forms extruding when being expanded to connecting rod, this
Sample will result in stress release unevenness, and not only vibration damping is unstable uniform, and the service life to the first adjustment rubber is also a kind of damage, holds
It is easy to crack.
As the preferred embodiment of the utility model, the surfaces of revolution of the second adjustment rubber is that upper and lower part has two
The diagonally disposed hourglass-shaped figure that crouches of opposite inner concave curve, and the top phase lower part distance connection of the hourglass-shaped figure that crouches
Rod piece is closer to rotation body structure is closed loop configuration, and outside is round table-like, and the inner concave curve of upper part rotates to be formed inwardly
Cyclic annular trench surface, the inner concave curve of its underpart rotate the cyclic annular trench surface to be formed outwardly, in cyclic annular trench surface inwardly
Portion reserves the space passed through for connecting rod, while also reserving prevents second adjustment rubber from generating interference because of deformation and spacer
Space, the first adjustment rubber bodies are due to being more responsible for damper integrally to the vibration damping of the power on vertical, so its major part
It is the smooth structure of upper and lower surface, the upper surface of spacer is also smooth structure, and the special construction of second adjustment rubber makes
The connection of itself and spacer also needs to other connectors to touch the outermost conical surface of second adjustment rubber, due to this company
Fitting needs to position, and connecting rod passes through the middle part of second adjustment rubber again, so general in the middle part of the lower surface of spacer
Be provided with protrusion, and deformation when vibration damping due to second adjustment rubber and its be more responsible for damper integrally in transverse direction
The vibration damping of power, so this protrusion has lateral movement, the inner concave curve on the top rotates the cyclic annular trench to be formed inwardly
Surface, cyclic annular trench surface middle part inwardly are reserved for this movable space of protrusion, prevent itself and second adjustment rubber contact
It is formed and is squeezed, squeezed if formed, not only vibration damping is unstable uniform, and the service life to second adjustment rubber is also a kind of damage, holds
It is easy to crack.
As the preferred embodiment of the utility model, the elasticity modulus phase of the first adjustment rubber and second adjustment rubber
Deng, since rubber has a strong nonlinear characteristic, when the different rubber bodies stress of type, structure its deformation differ, it is elastic
The equal setting of modulus can make the first adjustment rubber 4 and second adjustment rubber 11 be more easy to design and phase interworking in setting structure
Close adjustment structural parameters.
The utility model has the beneficial effects that：
Top plate and pedestal are pulled to together by connecting rod, it is compressed by the rubber bodies between top plate and pedestal
Counter-force makes all close structures that must link together, formed damper, while and being provided at both ends with for connecting rod can shorten
The compressed part of top plate and pedestal spacing can compress the first adjustment rubber and second adjustment by shortening top plate and pedestal spacing
Rubber makes the rigidity of damper entirety become larger, and using different mechanical equipments, carries out the vibration isolation of different-effect, meanwhile, described
One adjustment rubber and the second adjustment rubber are configured to meet：When the top plate and pedestal hypotelorism, described first adjusts
Compression of the whole rubber on vertical is more than the second adjustment rubber, and the compression of the second adjustment rubber in the horizontal is more than institute
The first adjustment rubber is stated, the first adjustment rubber and second adjustment rubber phase ratio are made, is more responsible for damper integrally to vertical
On vibration damping, and second adjustment rubber is more responsible for damper and integrally (but is only illustrated here " more the vibration damping in transverse direction
Ground ", second adjustment rubber vertical rigidity are not allowed to neglect compared to lateral stiffness yet), while the setting position of spacer and spacer
It sets, when top plate and pedestal hypotelorism, the first adjustment rubber and second adjustment rubber can be compressed, and make its individual rigidity all
Increased, when ensure that the stiffness equivalent to damper, the first adjustment rubber is still more responsible for damper integrally to perpendicular
Upward vibration damping, second adjustment rubber are still more responsible for damper integrally to the vibration damping in transverse direction, as increase top plate and
Pedestal spacing is finally reached the mistake that the rigidity of process and above-mentioned damper entirety that the rigidity of damper entirety becomes smaller becomes larger
Journey is on the contrary, i.e. when working environment changes, it is possible to increase distance between top plate and pedestal makes the first adjustment rubber and second adjustment rubber
Loosen, reduce damper stiffness, adapts to the job requirement of variation.
Description of the drawings
Fig. 1 is the sectional view of the utility model；
Fig. 2 is the vertical view of the utility model；
It is marked in figure：1- nuts, the first gaskets of 2-, 3- top plates, 4- the first adjustment rubber, 5- foil gauges, 6- spacers, 7-
Connector, 8- bolts, the second gaskets of 9-, 10- pedestals, 11- second adjustment rubber.
Specific implementation mode
The utility model is described in further detail with reference to embodiment and specific implementation mode.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, in all utility models based on the utility model
Hold realized technology and belongs to the scope of the utility model.
Embodiment 1
Such as Fig. 1, a kind of adjustable rubber shock absorber of rigidity comprising：
Top plate 3；
Pedestal 10；
Rubber bodies, the rubber bodies are arranged between the top plate 3 and pedestal 10；
Connecting rod, the connecting rod passes through the top plate 3 and pedestal 10, and being provided at both ends with for connecting rod can
Shorten or increase the compressed part of top plate 3 and 10 spacing of pedestal；
Spacer 6；
The rubber bodies include at least the first adjustment rubber 4 and second adjustment rubber 11, the first adjustment rubber 4 and the
Two adjustment rubber 11 are separated by the spacer 6, and the connecting rod passes through 6 middle part of the spacer；
The first adjustment rubber 4 and the second adjustment rubber 11 are configured to meet：Between the top plate 3 and pedestal 10
When away from shortening, compression of the first adjustment rubber 4 on vertical is more than the second adjustment rubber 11, the second adjustment rubber
The compression of glue 11 in the horizontal is more than the first adjustment rubber 4.
In the present embodiment, specifically, the first adjustment rubber 4 and second adjustment rubber 11 are rotary body, and bolt 8
It (i.e. connecting rod) while being passed through from 4 middle part of the first adjustment rubber and 11 middle part of second adjustment rubber, the first adjustment rubber
The surfaces of revolution of glue 4 is the hourglass-shaped figure that middle part has two opposite inner concave curves, the surfaces of revolution of the second adjustment rubber 11
Have the diagonally disposed hourglass-shaped figures that crouch of two opposite inner concave curves for upper and lower part, and the hourglass-shaped figure that crouches
Top phase lower part is apart from connecting rod closer to the connecting rod includes bolt 8 and nut 1, and bolt 8 swings to setting, institute
Stating stub end that compressed part includes bolt 8 and nut 1, (it (is first in figure that gasket is provided between the nut 1 and top plate 3
Gasket 2), gasket (in figure be the second gasket 9) is also equipped between the stub end and pedestal 10 of the bolt 8, in the bolt 8
Portion have the bar portion deformation for detecting bolt 8 foil gauge 5 (foil gauge 5 be rectangular configuration, be symmetrically bonded
On the periphery of the bar portion of bolt 8), the stressing conditions for judging damper prevent it from breaking through the vibration damping limit and cause to damage
It is bad), the spacer 6, top plate 3 and pedestal 10 are symmetric body, and the cross section of the pedestal 10 is T shape, pedestal 10 it is upper
Surface is the bottom contact of plane and the first adjustment rubber 4, and the lower surface of the top plate 3 is plane and second adjustment rubber 11
Top contact, the middle part of the spacer 6 forms downward protrusion, and the screw rod ordinatedly passes through the downward protrusion, institute
It states second adjustment rubber 11 and has the outermost conical surface and the inside conical surface, the cross section of the two conical surfaces is plane, between described
Connector 7 is combined under spacing body 6, which is plane and center has the trepanning with the downward male cooperation,
The connector 7 be round-like structure, have it is cricoid can in the outermost cone match of second adjustment rubber 11
The conical surface, the pedestal 10 are provided centrally with round table-like bulge-structure, and the bolt 8 coordinates the protrusion on pedestal 10 upwards
The outside at the middle part of structure, the bulge-structure on pedestal 10 is and the male cone (strobilus masculinus) of the inside cone match of second adjustment rubber 11.
Vertical view such as Fig. 2, the exterior contour of pedestal 10 is square and quadrangle rounded corner, and the exterior contour of spacer 6 is
Square and quadrangle rounded corner, top plate 3 are circular platy structure.
The spacer 6 and bolt 8 are fitted close, gap between the stem portion and top plate 3 and pedestal 10 of the bolt 8
Cooperation, compressed part and top plate 3 and pedestal 10 are fitted close, and second adjustment rubber 11 is allowed for form certain lateral pressure
Shearing force will not be generated while contracting amount to connecting rod to damage, and is also set up between second adjustment rubber 11 and top plate 3
There is acceleration transducer, for detecting mobile data of the damper on vertical, its vibration damping state is judged with this, so as to adjust top
Plate 3 arrives the spacing of pedestal 10, changes the rigidity of damper.
In vibration damping, the first adjustment rubber 4 expands in vertical upper compression in its transverse direction, the second adjustment rubber
11 decrement on vertical is less than the decrement in its transverse direction.
Embodiment 2
In the present embodiment and embodiment 1 the difference is that, the first adjustment rubber 4 and second adjustment rubber 11
Elasticity modulus equal (since rubber has a strong nonlinear characteristic, when the different rubber bodies stress of type, structure, it is deformed
It differs, the equal setting of elasticity modulus can be such that the first adjustment rubber 4 and second adjustment rubber 11 is more easy in setting structure
Design and the adjustment structural parameters that cooperate), the foil gauge 5 is cyclic structure, bar portion of the package ground cooperation in bolt 8
On periphery), meanwhile, the foil gauge 5 is cyclic structure, and the cooperation of package ground is on the periphery of the bar portion of bolt 8), institute
The top surface of the first adjustment rubber 4 and the bottom surface bonding of top plate 3 are stated, the top surface of the bottom surface spacer 6 of the first adjustment rubber 4 is viscous
It connects, periphery and connector 7 bonding on the top of second adjustment rubber 11, the periphery of the lower part of second adjustment rubber 11 and bottom
Seat 10 is bonded, and this mode, it is merely not only that can relax to uncompressed shape to make the first adjustment rubber 4 and second adjustment rubber 11
State, compared to traditional damper, the presence of the first adjustment rubber 11 and above-mentioned bonding way can exist to avoid damper
The rigid shock generated when ultimate elongation state.
Claims (10)
1. a kind of adjustable rubber shock absorber of rigidity comprising：
Top plate；
Pedestal；
Rubber bodies, the rubber bodies are arranged between the top plate and pedestal；
Connecting rod, the connecting rod pass through the top plate and pedestal, and connecting rod be provided at both ends with can shorten or
Increase the compressed part of top plate and pedestal spacing；
It is characterized in that, further including spacer；
The rubber bodies include at least the first adjustment rubber and second adjustment rubber, the first adjustment rubber and second adjustment rubber
Glue is separated by the spacer, and the connecting rod passes through in the middle part of the spacer；
The first adjustment rubber and the second adjustment rubber are configured to meet：When the top plate and pedestal hypotelorism,
Compression of the first adjustment rubber on vertical be more than the second adjustment rubber, and the second adjustment rubber is in the horizontal
Compression is more than the first adjustment rubber.
2. the adjustable rubber shock absorber of rigidity according to claim 1, which is characterized in that the first adjustment rubber is perpendicular
Expand in its transverse direction when compression upwards.
3. the adjustable rubber shock absorber of rigidity according to claim 1, which is characterized in that the second adjustment rubber is perpendicular
Upward decrement is less than the decrement in its transverse direction.
4. the adjustable rubber shock absorber of rigidity according to claim 1-3 any one, which is characterized in that described first adjusts
Whole rubber is rotary body.
5. the adjustable rubber shock absorber of rigidity according to claim 1-3 any one, which is characterized in that described second adjusts
Whole rubber is rotary body.
6. the adjustable rubber shock absorber of rigidity according to claim 4, which is characterized in that the connecting rod is adjusted from first
It is passed through in the middle part of whole rubber.
7. the adjustable rubber shock absorber of rigidity according to claim 5, which is characterized in that the connecting rod is adjusted from second
It is passed through in the middle part of whole rubber.
8. the adjustable rubber shock absorber of rigidity according to claim 6, which is characterized in that the rotation of the first adjustment rubber
It is the hourglass-shaped figure that middle part has two opposite inner concave curves to turn face.
9. the adjustable rubber shock absorber of rigidity according to claim 7, which is characterized in that the rotation of the second adjustment rubber
Turn the diagonally disposed hourglass-shaped figure that crouches that face has two opposite inner concave curves for upper and lower part, and the hourglass-shaped figure that crouches
The top phase lower part of shape apart from connecting rod closer to.
10. the adjustable rubber shock absorber of rigidity according to claim 1, which is characterized in that the first adjustment rubber and
The elasticity modulus of second adjustment rubber is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112515.4U CN207814294U (en) | 2018-01-23 | 2018-01-23 | A kind of adjustable rubber shock absorber of rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112515.4U CN207814294U (en) | 2018-01-23 | 2018-01-23 | A kind of adjustable rubber shock absorber of rigidity |
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| Publication Number | Publication Date |
|---|---|
| CN207814294U true CN207814294U (en) | 2018-09-04 |
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ID=63323618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820112515.4U Active CN207814294U (en) | 2018-01-23 | 2018-01-23 | A kind of adjustable rubber shock absorber of rigidity |
Country Status (1)
| Country | Link |
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| CN (1) | CN207814294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150574A (en) * | 2018-01-23 | 2018-06-12 | 西南交通大学 | A kind of adjustable rubber shock absorber of rigidity |
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
-
2018
- 2018-01-23 CN CN201820112515.4U patent/CN207814294U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150574A (en) * | 2018-01-23 | 2018-06-12 | 西南交通大学 | A kind of adjustable rubber shock absorber of rigidity |
| CN108150574B (en) * | 2018-01-23 | 2023-08-15 | 西南交通大学 | Rigidity-adjustable rubber shock absorber |
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
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