CN205479077U - Air spring and degradable piston assembly that makes an uproar thereof - Google Patents
Air spring and degradable piston assembly that makes an uproar thereof Download PDFInfo
- Publication number
- CN205479077U CN205479077U CN201620297260.4U CN201620297260U CN205479077U CN 205479077 U CN205479077 U CN 205479077U CN 201620297260 U CN201620297260 U CN 201620297260U CN 205479077 U CN205479077 U CN 205479077U
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- China
- Prior art keywords
- piston
- external diameter
- ring
- air spring
- breach
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an air spring and degradable piston assembly that makes an uproar thereof, wherein, the air spring has piston rod, piston and a cylinder, and the piston setting is in the one end of piston rod, and the piston is located cylinder, the sealing washer and the cylinder clearance fit of piston. The piston has set gradually damping packing ring, sealing washer, plastics junk ring and has run the lubricating pad circle to the piston rod middle part from the tip of piston rod, and the external diameter of sealing washer is the biggest, and the external diameter of damping packing ring is greater than the external diameter that runs the lubricating pad circle, and the external diameter of plastics junk ring is between the external diameter of the external diameter of damping packing ring and sealing washer. The utility model discloses an air spring and degradable piston assembly that makes an uproar thereof, sealing washer and cylinder clearance fit in the sealing performance who guarantees the sealing washer, have increased the plastics junk ring for the external diameter of plastics junk ring takes place when skew in the axiality of piston rod and cylinder between the external diameter of the external diameter of damping packing ring and sealing washer, takes place the friction by plastics junk ring and cylinder, and prevents that damping packing ring and cylinder from taking place the friction and producing the abnormal sound.
Description
Technical field
This utility model relates to a kind of air spring and can noise reduction piston component.
Background technology
Air spring, is a kind of using gas and liquid as the flexible member of working media, mainly by cylinder barrel, cylinder
Piston in Tong and the composition such as piston rod and fairlead.In cylinder barrel, storage has gas and part fluid, due to work
Plug occupies the volume in cylinder barrel, and during work in piston rod press-in cylinder barrel, piston makees axially-movable in cylinder barrel
Fluid in extrusion chamber, and fluid compressed gas makes piston reach operating position.When loading on the piston rod
External force disappear after, then gas restore and expand, the gas push fluid of expansion makes piston reset, by piston
Bar removes, and makes air spring realize compression motion and restore damped motion.
Wherein, piston being provided with sealing ring and coordinates with bore clearances, piston rod promotes piston to make in cylinder barrel
During axially-movable, owing to axiality completely cannot be ensured between piston rod and cylinder barrel, the sealing ring of piston with
Cylinder barrel often produces abnormal sound and noise because of friction.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome can produce between piston and cylinder barrel abnormal sound and
The deficiency of noise, this utility model provides a kind of air spring and can noise reduction piston component.
This utility model solves its technical problem and be the technical scheme is that a kind of air spring is with living by noise reduction
Plug assembly, including piston and piston rod, described piston is arranged on one end of piston rod, and described piston is from piston
The end of bar is disposed with damping washer, sealing ring, plastic frame and race lubricating pad circle in the middle part of piston rod,
The largest outside diameter of described sealing ring, the external diameter of described damping washer is more than the external diameter of race lubricating pad circle, described plastics
The external diameter of lining ring is between the external diameter and the external diameter of described sealing ring of described damping washer.
The material of described plastic frame is politef.
The external diameter 0.1mm-0.5mm bigger than the external diameter of damping washer of described plastic frame.
The external diameter 0.3mm bigger than the external diameter of damping washer of described plastic frame.
Having clearance ring between described damping washer and plastic frame, described sealing ring is located at described gap
Packing ring periphery, and there is between sealing ring and clearance ring gap；There is on described damping washer a through hole,
There is on described plastic frame breach and the lug of spaced setting, described race lubricating pad circle has opening and
Catch, described opening and catch interval are arranged, and described opening connects with described breach.
Described plastic frame offers 6 breach uniform along plastic frame periphery, and described race lubricating pad circle is offered
Have 4 along running the uniform openings in lubricating pad circle periphery, the size of opening described in size ＞ of described breach, only 2
The individual breach being oppositely arranged and 2 open communication, remaining breach is hidden by described catch, and remaining opening is by institute
State lug to hide.
A kind of air spring, has piston component and cylinder barrel, and described piston component is work described in the utility model
Plug assembly, the piston in described piston component is positioned at cylinder barrel, and the sealing ring of piston coordinates with bore clearances.
The beneficial effects of the utility model are, air spring of the present utility model and can noise reduction piston component, close
Seal coordinates with bore clearances, while ensureing the sealing property of sealing ring, adds plastic frame, makes
The external diameter of plastic frame between the external diameter and the external diameter of sealing ring of damping washer, at piston rod and cylinder barrel
Axiality occur deviation time, plastic frame rub with cylinder barrel, and prevent damping washer from sending out with cylinder barrel
Life rubs and produces abnormal sound.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of air spring optimum embodiment of the present utility model.
Fig. 2 is the structural representation of the plastic frame optimum embodiment in this utility model.
Fig. 3 is the structural representation running lubricating pad circle optimum embodiment in this utility model.
In figure 1, piston, 2, piston rod, 3, damping washer, 3-1, through hole, 4, sealing ring, 5, mould
Material lining ring, 5-1, breach, 5-2, lug, 6, run lubricating pad circle, 6-1, opening, 6-2, catch, 7,
Clearance ring, 8, cylinder barrel.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are showing of simplification
Being intended to, basic structure of the present utility model is described the most in a schematic way, therefore it only shows and this utility model
Relevant composition.
As it is shown in figure 1, a kind of air spring of the present utility model, there is piston rod 2, piston 1 and cylinder barrel 8,
Described piston 1 is arranged on one end of piston rod 2, and piston 1 is positioned at cylinder barrel 8, described piston 1 close
Seal 4 and cylinder barrel 8 matched in clearance.
Described piston 1 is disposed with damping washer 3, sealing from the end of piston rod 2 in the middle part of piston rod 2
Circle 4, plastic frame 5 and race lubricating pad circle 6, the material of described plastic frame 5 is politef.
The largest outside diameter of described sealing ring 4, the external diameter of described damping washer 3 is more than the external diameter running lubricating pad circle 6,
The external diameter of described plastic frame 5 is between the external diameter and the external diameter of described sealing ring 4 of described damping washer 3.
The external diameter 0.1mm-0.5mm bigger than the external diameter of damping washer 3 of described plastic frame 5.In the present embodiment, described
The external diameter of plastic frame 5 is 19.8mm, and the external diameter of damping washer 3 is 19.5mm.
Having clearance ring 7 between described damping washer 3 and plastic frame 5, described sealing ring 4 ring is located at institute
State clearance ring 7 periphery, and between sealing ring 4 and clearance ring 7, there is gap；Described damping washer 3
On there is a through hole 3-1.
As shown in Figure 2 and Figure 3, described plastic frame 5 have breach 5-1 and the lug of spaced setting
5-2, described race lubricating pad circle 6 has opening 6-1 and catch 6-2, between described opening 6-1 and catch 6-2
Every setting, and described opening 6-1 connects with described breach 5-1.
Specifically, described plastic frame 5 offers 6 breach 5-1s uniform along plastic frame 5 periphery, institute
Stating race lubricating pad circle 6 and offer 4 opening 6-1s uniform along race lubricating pad circle 6 periphery, described breach 5-1's is big
The size of opening 6-1 described in little ＞, breach 5-1 that only 2 are oppositely arranged and 2 opening 6-1 connections,
Remaining breach 5-1 is hidden by described catch 6-2, and remaining opening 6-1 is hidden by described lug 5-2.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant
Staff can carry out various change completely in the range of without departing from this utility model technological thought
And amendment.The content that the technical scope of this utility model is not limited in description, it is necessary to root
Its technical scope is determined according to right.
Claims (7)
1. air spring with can a noise reduction piston component, including piston (1) and piston rod (2), described piston
(1) one end of piston rod (2) it is arranged on, it is characterised in that: described piston (1) is from piston rod (2)
End to piston rod (2) middle part be disposed with damping washer (3), sealing ring (4), plastic frame (5)
With race lubricating pad circle (6), the largest outside diameter of described sealing ring (4), the external diameter of described damping washer (3) is big
In the external diameter of race lubricating pad circle (6), the external diameter of described plastic frame (5) is between described damping washer (3)
Between the external diameter of external diameter and described sealing ring (4).
2. air spring as claimed in claim 1 is with can noise reduction piston component, it is characterised in that: described plastics
The material of lining ring (5) is politef.
3. air spring as claimed in claim 1 is with can noise reduction piston component, it is characterised in that: described plastics
The external diameter of lining ring (5) is than the big 0.1mm-0.5mm of external diameter of damping washer (3).
4. air spring as claimed in claim 3 is with can noise reduction piston component, it is characterised in that: described plastics
The external diameter of lining ring (5) is than the big 0.3mm of external diameter of damping washer (3).
5. air spring as claimed in claim 1 is with can noise reduction piston component, it is characterised in that: described damping
Having clearance ring (7) between packing ring (3) and plastic frame (5), described sealing ring (4) ring is located at institute
State, between clearance ring (7) periphery, and sealing ring (4) and clearance ring (7), there is gap；Described resistance
Having a through hole (3-1) on Buddhist nun's packing ring (3), described plastic frame has spaced setting on (5)
Breach (5-1) and lug (5-2), described race lubricating pad circle (6) has opening (6-1) and catch (6-2),
Described opening (6-1) and catch (6-2) interval are arranged, and described opening (6-1) and described breach (5-1)
Connection.
6. air spring as claimed in claim 5 is with can noise reduction piston component, it is characterised in that: described plastics
Lining ring (5) offers 6 breach (5-1) uniform along plastic frame (5) periphery, described race lubricating pad circle
(6) 4 openings (6-1) uniform along race lubricating pad circle (6) periphery are offered, described breach (5-1)
The size of opening described in size ＞ (6-1), only 2 breach being oppositely arranged (5-1) and 2 openings
(6-1) connection, remaining breach (5-1) is hidden by described catch (6-2), remaining opening (6-1) quilt
Described lug (5-2) hides.
7. an air spring, has piston component and cylinder barrel (8), it is characterised in that: described piston component is
Piston component as according to any one of claim 1-6, the piston (1) in described piston component is positioned at cylinder
In cylinder (8), the sealing ring (4) of piston (1) and cylinder barrel (8) matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620297260.4U CN205479077U (en) | 2016-04-11 | 2016-04-11 | Air spring and degradable piston assembly that makes an uproar thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620297260.4U CN205479077U (en) | 2016-04-11 | 2016-04-11 | Air spring and degradable piston assembly that makes an uproar thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479077U true CN205479077U (en) | 2016-08-17 |
Family
ID=56643595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620297260.4U Expired - Fee Related CN205479077U (en) | 2016-04-11 | 2016-04-11 | Air spring and degradable piston assembly that makes an uproar thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673757A (en) * | 2016-04-11 | 2016-06-15 | 常州气弹簧有限公司 | Gas spring and noise reduction piston assembly thereof |
-
2016
- 2016-04-11 CN CN201620297260.4U patent/CN205479077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673757A (en) * | 2016-04-11 | 2016-06-15 | 常州气弹簧有限公司 | Gas spring and noise reduction piston assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 |