CN208487152U - Lightweight suspension damping - Google Patents
Lightweight suspension damping Download PDFInfo
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- CN208487152U CN208487152U CN201820951437.7U CN201820951437U CN208487152U CN 208487152 U CN208487152 U CN 208487152U CN 201820951437 U CN201820951437 U CN 201820951437U CN 208487152 U CN208487152 U CN 208487152U
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- piston
- end cover
- piston rod
- suspension damping
- lightweight suspension
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Abstract
The utility model provides a kind of lightweight suspension damping, comprising: damper shell；First end cover, first end cover are located at one end of damper shell, and the first otic placode is provided with outside first end cover；First piston, first piston are set in damper shell；Second piston, second piston are set between first end cover and first piston；Second end cover, second end cover are located at the other end of damper shell；Piston rod, piston rod pass through second end cover, and first piston is withstood in one end of piston rod；Second otic placode, the second otic placode are set to the other end of piston rod；Guide sleeve, guide sleeve are set between second end cover and damper shell, and piston rod passes through guide sleeve；And antivibration spring, antivibration spring are arranged between first piston and second piston, antivibration spring is contacted with first piston and second piston respectively.The lightweight suspension damping of the utility model reduces the minimum length of damping, improves design flexibility, while reducing the difficulty of sealing.
Description
Technical field
The utility model relates to Vehicle Engineering, in particular to a kind of lightweight suspension damping.
Background technique
While the car is driving, when the vibration that road roughness evokes reaches a certain level, feel that passenger not
Suitable or delivery cargo damage.In order to meet people to automobile ride comfort, perfection easy to operate, safe and reliable, environmental protection
It pursues, automobile develops to the multidisciplinary new results applications such as fusion electronics, machinery, material, control via the fully mechanical at initial stage
Stage, the application field of various advanced control methods and means on automobile constantly widens, just towards multiple target is comprehensive and intelligence
Energyization control direction is developed, wherein the semi-active suspension control technology closely related with riding comfort becomes automobile engineering research
Emphasis and one of critical issue.Suspension is the general name of all power transmission connected components between vehicle body and wheel, it carries support
Various power and torque that road surface acts on wheel are passed to vehicle frame to guarantee vapour by vehicle body, elastic connection car body and axle
The effect of vehicle normally travel, performance superiority and inferiority directly affect the comfort and traffic safety of passenger.Therefore, carry out automotive suspension system
The research of system has great importance to automotive performance is improved.The passive suspension of automobile is mainly made of elasticity and damping element, is hanged
The rigidity and damping parameter of frame system are empirically to design or change and be adjusted, it is difficult to ensure that when surface conditions change
When be maintained at optimum state.With the raising of automobile driving speed, people to requirements such as the riding comforts of automobile also increasingly
Height, vehicle running smoothness and control stability show out the conflicting defect for making passive suspension that suspension system requires especially
Come, passive suspension does not adapt to and meet the movable needs of modern humans.Although people it is also proposed that excessively many improved methods,
It cannot be all inherently eliminated the defect of passive suspension, actively come into being with semi-active suspension.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of lightweight suspension dampings, to overcome lacking for the prior art
Point.
The utility model provides a kind of lightweight suspension damping, which includes: damping
Device shell；First end cover, first end cover are located at one end of damper shell, and the first otic placode is provided with outside first end cover；
First piston, first piston are set in damper shell；Second piston, second piston are set to first end cover and first piston
Between；Second end cover, second end cover are located at the other end of damper shell；Piston rod, piston rod pass through second end cover, piston
Withstand first piston in one end of bar；Second otic placode, the second otic placode are set to the other end of piston rod；Guide sleeve, guide sleeve are set to
Between two end caps and damper shell, piston rod passes through guide sleeve；And antivibration spring, the setting of antivibration spring is in first piston and the
Between two pistons, antivibration spring is contacted with first piston and second piston respectively.
Preferably, in above-mentioned technical proposal, first piston includes: upper magnetic guiding loop, is provided on upper magnetic guiding loop for accommodating
First groove of piston rod；Lower magnetic guiding loop, lower magnetic guiding loop are contacted with antivibration spring；And coil, coil be clipped in magnetic guiding loop with
Between lower magnetic guiding loop.
Preferably, the first passage for magnetic fluid flowing, and piston are offered in above-mentioned technical proposal, in first piston
One end of bar is provided with the second channel for magnetic fluid outflow.
Preferably, in above-mentioned technical proposal, lightweight suspension damping further include: stomata, stomata are set to first end
It covers；Air cavity, air cavity is between first end cover and second piston；And magnetic current body cavity, magnetic current body cavity be located at first piston with
Between second piston.
Preferably, in above-mentioned technical proposal, lightweight suspension damping further include: pneumostop ring, pneumostop ring
It is set in second piston, pneumostop ring is located at second piston close to the side of air cavity；And the first hydraulic packing ring, first
Hydraulic packing ring set is located in second piston, and the first hydraulic packing ring is located at second piston close to the side of magnetic current body cavity.
Preferably, in above-mentioned technical proposal, lightweight suspension damping includes: the first sealing ring, and the first sealing ring is set
It is placed between second end cover and piston rod；Second sealing ring and third sealing ring, the second sealing ring and third sealing ring are set
It is placed between guide sleeve and piston rod；Wherein, it is arranged fluted in second piston, groove can accommodate antivibration spring.
Preferably, in above-mentioned technical proposal, piston rod center offers hollow conductor fluting, wears in hollow conductor fluting
There is conducting wire, conducting wire is electrically connected with coil.
Compared with prior art, the utility model has the following beneficial effects: the utility model is in first piston and second
Antivibration spring is provided between piston, after antivibration spring is set, damping be just able to bear biggish shock loading and
It will not be damaged.Reason is: when automobile passes through dell, piston rod may due to the effect of instantaneous impact and it is quick
Larger displacement is generated, so that first piston be pushed to move, if not having antivibration spring, the larger movement of first piston will be squeezed
Pressure is passed to second piston again by magnetic fluid liquid, the liquid being extruded, when this extruding force is very big and loading velocity quickly
When (such as when crossing dell), second piston will be caused to misplace, damping is caused to damage.After increasing antivibration spring, spring sheet
A possibility that body can absorb a part of impact force, reduce second piston dislocation, protects damping.And due to antivibration bullet
The presence of spring, the utility model can reduce the size of air cavity, and this greatly reduces the sizes of damping entirety, greatly mention
The high flexible design degree of damping.As previously mentioned, it is also equipped with air cavity in certain dampings in the prior art, it is existing
Air cavity in technology is designed to guarantee that the vibratory impulse of magnetic current body cavity will not be applied directly on shell, in order to
Reach this purpose, the design comprising air cavity is often by the longer of air cavity design in the prior art, and to guarantee safe clearance, this is led
Cause the minimum length of damping elongated, vehicle damping mechanism minimum dimension becomes larger, this is very not for Automobile Design
Easily.The utility model is due to having installed antivibration spring additional, it is possible to reduce air cavity length, reduce the minimum of damping
Length improves design flexibility.Requirement of the magnetic rheology type damping for sealing is very stringent.The application is set by whole
Meter, greatly reduces the quantity for needing sealing position, reduces the difficulty of sealing.In addition, second piston is designed as by the application
Polymorphic structure prevents spring from misplacing in use to accommodate antivibration spring.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the lightweight suspension damping of embodiment according to the present utility model.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Embodiment 1
Fig. 1 is the structural schematic diagram of the lightweight suspension damping of embodiment according to the present utility model.As shown,
Lightweight suspension damping includes: damper shell 101；First end cover 102, first end cover are located at the one of damper shell
End, is provided with the first otic placode 106 outside first end cover；First piston 103, first piston are set in damper shell；The
Two pistons 104, second piston is set between first end cover and first piston；Second end cover 105, second end cover is located at damping
The other end of device shell；Piston rod 107, piston rod pass through second end cover, and first piston is withstood in one end of piston rod；Second otic placode
108, the second otic placode is set to the other end of piston rod；Guide sleeve 109, guide sleeve are set between second end cover and damper shell,
Piston rod passes through guide sleeve；And antivibration spring 110, antivibration spring are arranged between first piston and second piston, antivibration spring
It is contacted respectively with first piston and second piston.
The utility model is provided with antivibration spring between first piston and second piston, after antivibration spring is set,
Damping is just able to bear biggish shock loading without being damaged.Reason is: when automobile passes through dell, piston
Bar may due to instantaneous impact effect and quickly generate larger displacement, to push first piston to move, if do not had
Antivibration spring, then the larger movement of first piston will squeeze magnetic fluid liquid, and pressure is passed to second again by the liquid being extruded
Piston will cause second piston to misplace, cause to subtract when this extruding force is very big and quickly when (such as when crossing dell) loading velocity
Shake mechanism damage.After increasing antivibration spring, spring itself can absorb a part of impact force, and what reduction second piston misplaced can
Energy property, protects damping.And due to the presence of antivibration spring, the utility model can reduce the size of air cavity, this pole
The size for reducing damping entirety greatly, greatly improves the flexible design degree of damping.
Embodiment 2
Lightweight suspension damping includes: damper shell 101；First end cover 102, first end cover is located at damper
One end of shell is provided with the first otic placode 106 outside first end cover；First piston 103, first piston is set to outside damper
In shell；Second piston 104, second piston is set between first end cover and first piston；Second end cover 105, second end housing
It is located at the other end of damper shell；Piston rod 107, piston rod pass through second end cover, and first piston is withstood in one end of piston rod；
Second otic placode 108, the second otic placode are set to the other end of piston rod；Guide sleeve 109, guide sleeve are set to outside second end cover and damper
Between shell, piston rod passes through guide sleeve；Antivibration spring 110, antivibration spring are arranged between first piston and second piston, antivibration bullet
Spring is contacted with first piston and second piston respectively.First piston includes: upper magnetic guiding loop 111, is provided with and is used on upper magnetic guiding loop
Accommodate the first groove of piston rod；Lower magnetic guiding loop 112, lower magnetic guiding loop is contacted with antivibration spring；Coil 113, coil, which is clipped in, leads
Between magnet ring and lower magnetic guiding loop.The first passage for magnetic fluid flowing is offered in first piston, and one end of piston rod is set
It is equipped with the second channel 114 for magnetic fluid outflow.
The working principle of the application is: when automobile passes through uneven road surface, vibration will be passed to by the second otic placode
Piston rod, vibration are converted into the displacement of piston rod, and when piston rod is displaced and compresses magnetic current body cavity, magnetic rheological liquid will be from magnetic current
Body cavity flows into first piston, due to the throttling action of first piston, so that the energy of vibration becomes between magnetic current interior molecules
Phase mutual friction and be dissipated, when vibration condition variation when, can by adjusting in coil by electric current change first piston
Internal magnetic field achievees the purpose that change damping rigidity, realizes the effect of active vibration damping to change magnetic current bulk properties.
Embodiment 3
Lightweight suspension damping includes: damper shell 101；First end cover 102, first end cover is located at damper
One end of shell is provided with the first otic placode 106 outside first end cover；First piston 103, first piston is set to outside damper
In shell；Second piston 104, second piston is set between first end cover and first piston；Second end cover 105, second end housing
It is located at the other end of damper shell；Piston rod 107, piston rod pass through second end cover, and first piston is withstood in one end of piston rod；
Second otic placode 108, the second otic placode are set to the other end of piston rod；Guide sleeve 109, guide sleeve are set to outside second end cover and damper
Between shell, piston rod passes through guide sleeve；Antivibration spring 110, antivibration spring are arranged between first piston and second piston, antivibration bullet
Spring is contacted with first piston and second piston respectively.Lightweight suspension damping further include: stomata 115, stomata are set to
One end covers；Air cavity 116, air cavity is between first end cover and second piston；Magnetic current body cavity 117, magnetic current body cavity are located at first
Between piston and second piston.
As previously mentioned, be also equipped with air cavity in certain dampings in the prior art, air cavity in the prior art be for
Guarantee that the vibratory impulse of magnetic current body cavity will not be applied directly on shell and designs, it is existing in order to reach this purpose
Design in technology comprising air cavity is often by the longer of air cavity design, and to guarantee safe clearance, this leads to the minimum of damping
Length, vehicle damping mechanism minimum dimension become larger, this is very inconvenient for Automobile Design.The utility model
Due to having installed antivibration spring additional, it is possible to reduce air cavity length, reduce the minimum length of damping, improve design spirit
Activity.
Embodiment 4
Lightweight suspension damping includes: damper shell 101；First end cover 102, first end cover is located at damper
One end of shell is provided with the first otic placode 106 outside first end cover；First piston 103, first piston is set to outside damper
In shell；Second piston 104, second piston is set between first end cover and first piston；Second end cover 105, second end housing
It is located at the other end of damper shell；Piston rod 107, piston rod pass through second end cover, and first piston is withstood in one end of piston rod；
Second otic placode 108, the second otic placode are set to the other end of piston rod；Guide sleeve 109, guide sleeve are set to outside second end cover and damper
Between shell, piston rod passes through guide sleeve；Antivibration spring 110, antivibration spring are arranged between first piston and second piston, antivibration bullet
Spring is contacted with first piston and second piston respectively.Lightweight suspension damping further include: pneumostop ring 118, it is pneumatic close
Seal ring is set in second piston, and pneumostop ring is located at second piston close to the side of air cavity；First hydraulic packing ring 119,
First hydraulic packing ring set is located in second piston, and the first hydraulic packing ring is located at second piston close to the side of magnetic current body cavity.
Lightweight suspension damping includes: the first sealing ring 120, and the first sealing ring is set between second end cover and piston rod；The
Two sealing rings 121 and third sealing ring 122, the second sealing ring and third sealing ring are set between guide sleeve and piston rod；
It is arranged fluted in second piston, groove can accommodate antivibration spring.Piston rod center offers hollow conductor fluting, hollow to lead
It is equipped with conducting wire 123 in line fluting, conducting wire is electrically connected with coil, and conducting wire stretches out piston rod to be arranged with first piston junction
There is choke material 124, choke material can be any soft and enough materials of intensity.
Requirement of the magnetic rheology type damping for sealing is very stringent.By whole design, greatly reduce needs the application
The quantity for wanting sealing position reduces the difficulty of sealing.In addition, second piston is designed as polymorphic structure to accommodate by the application
Antivibration spring, prevents spring from misplacing in use.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model answers institute
It states and is subject to the protection scope in claims.
Claims (7)
1. a kind of lightweight suspension damping, it is characterised in that: the lightweight suspension damping includes:
Damper shell；
First end cover, the first end cover are located at one end of the damper shell, are provided with outside the first end cover
First otic placode；
First piston, the first piston are set in the damper shell；
Second piston, the second piston are set between the first end cover and the first piston；
Second end cover, the second end cover are located at the other end of the damper shell；
Piston rod, the piston rod pass through the second end cover, and the first piston is withstood in one end of the piston rod；
Second otic placode, second otic placode are set to the other end of the piston rod；
Guide sleeve, the guide sleeve are set between the second end cover and the damper shell, and the piston rod passes through described lead
Set；And
Antivibration spring, the antivibration spring are arranged between the first piston and the second piston, the antivibration spring point
It is not contacted with the first piston and the second piston.
2. lightweight suspension damping as described in claim 1, it is characterised in that: the first piston includes:
Upper magnetic guiding loop is provided with the first groove for accommodating the piston rod on the upper magnetic guiding loop；
Lower magnetic guiding loop, the lower magnetic guiding loop are contacted with the antivibration spring；And
Coil, the coil are clipped between the upper magnetic guiding loop and the lower magnetic guiding loop.
3. lightweight suspension damping as claimed in claim 2, it is characterised in that: offer in the first piston for magnetic
The first passage of fluid flowing, and one end of the piston rod is provided with the second channel for magnetic fluid outflow.
4. lightweight suspension damping as described in claim 1, it is characterised in that: the lightweight suspension damping is also
Include:
Stomata, the stomata are set in the first end cover；
Air cavity, the air cavity is between first end cover and the second piston；And
Magnetic current body cavity, the magnetic current body cavity is between the first piston and the second piston.
5. lightweight suspension damping as claimed in claim 4, it is characterised in that: the lightweight suspension damping is also
Include:
Pneumostop ring, the pneumostop ring set are located in the second piston, and the pneumostop ring is located at described second
Piston is close to the side of the air cavity；And
First hydraulic packing ring, the first hydraulic packing ring set are located in the second piston, the first hydraulic packing ring
Positioned at the second piston close to the side of the magnetic current body cavity.
6. lightweight suspension damping as claimed in claim 5, it is characterised in that: the lightweight suspension damping packet
It includes:
First sealing ring, first sealing ring are set between the second end cover and the piston rod；
Second sealing ring and third sealing ring, second sealing ring and third sealing ring be set to the guide sleeve with it is described
Between piston rod；
Wherein, it is arranged fluted in the second piston, the groove can accommodate the antivibration spring.
7. lightweight suspension damping as claimed in claim 2, it is characterised in that: the piston rod center offers hollow
Conducting wire is slotted, and is equipped with conducting wire in the hollow conductor fluting, the conducting wire is electrically connected with the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951437.7U CN208487152U (en) | 2018-06-20 | 2018-06-20 | Lightweight suspension damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951437.7U CN208487152U (en) | 2018-06-20 | 2018-06-20 | Lightweight suspension damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487152U true CN208487152U (en) | 2019-02-12 |
Family
ID=65248340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820951437.7U Expired - Fee Related CN208487152U (en) | 2018-06-20 | 2018-06-20 | Lightweight suspension damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488304A (en) * | 2018-06-20 | 2018-09-04 | 河南工学院 | Lightweight suspension damping |
-
2018
- 2018-06-20 CN CN201820951437.7U patent/CN208487152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488304A (en) * | 2018-06-20 | 2018-09-04 | 河南工学院 | Lightweight suspension damping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20210620 |