CN201953887U - Single-tube inflating shock absorber - Google Patents
Single-tube inflating shock absorber Download PDFInfo
- Publication number
- CN201953887U CN201953887U CN2011200282813U CN201120028281U CN201953887U CN 201953887 U CN201953887 U CN 201953887U CN 2011200282813 U CN2011200282813 U CN 2011200282813U CN 201120028281 U CN201120028281 U CN 201120028281U CN 201953887 U CN201953887 U CN 201953887U
- Authority
- CN
- China
- Prior art keywords
- shock absorber
- inflating
- floating piston
- tube
- long grooves
- Prior art date
- 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
Links
Abstract
The utility model relates to a single-tube inflating shock absorber, which comprises a cylinder tube and a floating piston, wherein two to four long grooves vertical to an axle wire of a tube body are uniformly distributed on the inner wall of the waist part of the cylinder tube, the cross sections of the long grooves are in a circular arc shape or a square shape, a groove is formed on the outer circumference of the floating piston, and an O-shaped sealing ring is arranged in the groove. The single-tube inflating shock absorber has the advantages that the structure of the long grooves formed on the inner wall of the cylinder tube is simple, the processing is convenient, different inflating pressures can be controlled through the position design of the long grooves, the operation is scientific and reliable, complicated inflating welding equipment is not needed for inflating, holes do not need to be formed on a base, the inflating effect is good, the quality is stable, the sealing performance is good, the leakage is not easy to occur, in addition, the process can be greatly simplified, and the cost is reduced.
Description
Technical field
The utility model relates to a kind of vibration damping apparatus, particularly a kind of monotubular gas-filled shock absorber that has filling channel.
Background technique
At present the stack shell of the monotubular gas-filled shock absorber that uses all is the straight-tube structure, and inwall does not have filling channel, is pressed into floating piston to the stack shell bottom earlier during inflation, slot rolling is spacing, perforate on base, welded seal again again after the inflation.Need complicated inflation welding equipment during the inflation of the monotubular gas-filled shock absorber of this kind structure, exist complex process, cost height, inflation effect instability, welding back to occur shortcomings such as leakage easily.
Summary of the invention
The purpose of this utility model is: provide a kind of simple in structure, make things convenient for charge operation, safe and reliable monotubular gas-filled shock absorber, to overcome the existing deficiency of above-mentioned prior art.
The technological scheme that the utility model is taked is: a kind of monotubular gas-filled shock absorber, comprise cylinder barrel and floating piston, and the inner wall even distribution of described cylinder barrel waist has 2 ~ 4 elongated slots perpendicular to the stack shell medial axis.
Its further technological scheme is: the shape of the cross section of described elongated slot or for circular arc or for square.
The excircle of described floating piston is provided with groove, and the O RunddichtringO is housed in the groove.
Because adopt technique scheme, a kind of monotubular gas-filled shock absorber of the utility model has following beneficial effect:
1, because a kind of monotubular gas-filled shock absorber inner wall of cylinder of the utility model is evenly equipped with 2 ~ 4 elongated slots perpendicular to the stack shell medial axis, can in the process of assembling floating piston, finish inflation, do not need complicated inflation welding equipment, need perforate on base, good charging, steady quality, be not prone to leakage, and can simplify technology greatly, reduce cost.
2, the elongated slot of this monotubular gas-filled shock absorber inner wall of cylinder is simple in structure, easy to process, and by the inflation pressure different to the Position Design may command of elongated slot, science is reliable.
3, the excircle of a kind of monotubular gas-filled shock absorber floating piston of the utility model is provided with groove, the O RunddichtringO is housed, good airproof performance in the groove.
Below, the technical characteristics to a kind of monotubular gas-filled shock absorber of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
Fig. 1: a kind of monotubular gas-filled shock absorber structural representation of the utility model;
The P of Fig. 2: Fig. 1-P sectional view (amplification);
Among the figure:
1-cylinder barrel, 11-elongated slot, 111-elongated slot upper end, 112-elongated slot lower end, 12-spacing slot rolling, 2-floating piston, 21-O RunddichtringO, 3-base, 4-pressure inflatable chamber.
Embodiment
Embodiment one:
A kind of monotubular gas-filled shock absorber comprises cylinder barrel 1 and floating piston 2, and cylinder barrel 1 is connected with base 3 welded seals, and the inwall of described cylinder barrel waist processes 2 symmetrical distributions, perpendicular to the elongated slot 11 of stack shell medial axis, the cross section of described elongated slot be shaped as circular arc.
The excircle of described floating piston 2 is provided with 2 grooves, and O RunddichtringO 21 is housed in the groove.
There is one to be used to limit the spacing slot rolling 12 that floating piston pops up in the cylinder barrel lower end.
Embodiment two:
A kind of monotubular gas-filled shock absorber comprises cylinder barrel and floating piston, and cylinder barrel is connected with the base welded seal, and its basic structure is identical with embodiment one, and different is that the equally distributed elongated slot of the inwall of described cylinder barrel waist is 4.
In the above-described embodiments, the long 85mm of described elongated slot, dark 0.5mm, R are 0.5mm, because of cylinder barrel is thinner, can pass through rolling forming; Spacing slot rolling internal diameter φ 23.6mm, R are 0.6mm.In actual applications, elongated slot length, the degree of depth and slotting position be inflation pressure size and deciding as required, and the described slot rolling degree of depth is decided according to the floating piston size.
The foregoing description is the utility model preferable embodiment wherein, and as conversion, the bar number of described elongated slot also can be 3, and the shape of its cross section also can be square.
The assembling and the working principle of a kind of monotubular gas-filled shock absorber of the utility model:
Cylinder barrel and base are integral with seal welding, do not reveal through air tightness test assurance welding part, the O RunddichtringO of in the floating piston groove, packing into, in cylinder barrel, put into less amount of lubrication oil, floating piston is pressed into the cylinder barrel upper end, through 111 of elongated slot upper ends the time, floating piston upper and lower cavity air pressure is identical, when the O of floating piston RunddichtringO has been crossed 112 of elongated slot lower ends, beginning pressurized air, this moment, the floating piston bottom had certain pressure, when floating piston arrives design attitude, cylinder barrel is carried out slot rolling 12, be used to limit floating piston and pop up, inflation is finished.Inflation pressure is by formula P
0V
0=P
1V
1Calculate, in its Chinese style:
P
0---a standard atmospheric pressure (0.1Mpa), P
1---inflation back pressure,
V
0---inflation front volume, V
1---inflation back volume.
Inflation pressure can guarantee by the position of 112 of design elongated slot lower ends.Vibration damper is in when work, and elongated slot can play the throttling groove effect, and elongated slot length, the degree of depth and slotting position be inflation pressure size and deciding as required, and the described slot rolling degree of depth is decided according to the floating piston size.
Claims (3)
1. a monotubular gas-filled shock absorber comprises cylinder barrel and floating piston, it is characterized in that: the inner wall even distribution of described cylinder barrel waist has 2 ~ 4 elongated slots perpendicular to the stack shell medial axis.
2. a kind of monotubular gas-filled shock absorber according to claim 1 is characterized in that: the shape of the cross section of described elongated slot or for circular arc or for square.
3. a kind of monotubular gas-filled shock absorber according to claim 1 and 2, it is characterized in that: the excircle of described floating piston is provided with groove, and the O RunddichtringO is housed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200282813U CN201953887U (en) | 2011-01-27 | 2011-01-27 | Single-tube inflating shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200282813U CN201953887U (en) | 2011-01-27 | 2011-01-27 | Single-tube inflating shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953887U true CN201953887U (en) | 2011-08-31 |
Family
ID=44497997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200282813U Expired - Fee Related CN201953887U (en) | 2011-01-27 | 2011-01-27 | Single-tube inflating shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953887U (en) |
-
2011
- 2011-01-27 CN CN2011200282813U patent/CN201953887U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20110831 Termination date: 20200127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |