CN205479081U - Prevent rotating air spring - Google Patents
Prevent rotating air spring Download PDFInfo
- Publication number
- CN205479081U CN205479081U CN201620298336.5U CN201620298336U CN205479081U CN 205479081 U CN205479081 U CN 205479081U CN 201620298336 U CN201620298336 U CN 201620298336U CN 205479081 U CN205479081 U CN 205479081U
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- CN
- China
- Prior art keywords
- piston rod
- cylinder
- cylinder barrel
- confined planes
- piston
- 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.)
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a prevent rotating air spring, cylinder, piston rod, piston is included and axial pivoted rotation -proof structure between cylinder and the piston rod can be prevented, the piston is just arranged in inside inclosed cylinder with piston rod fixed, the piston rod other end outwards extends the cylinder, rotation -proof structure is in including spacing face and the fixed connection who sets up on the cylinder inner wall stopper on the piston rod, the tip of stopper have with the shape that spacing face matches, the tip of stopper can make a round trip to slide along the axial on spacing face. The utility model provides a pair of prevent rotating air spring sets up spacing face on the cylinder inner wall to the stopper that installation shape and spacing face match on the piston is avoided cylinder and piston rod to produce through the interact between spacing face and the stopper and is rotated relatively, guarantees the reliability of air spring work.
Description
Technical field
This utility model relates to gas spring technology field, particularly relates to a kind of anti-rotation air spring.
Background technology
Air spring is generally used as what support member used, and in use, the center of gravity of load is not necessarily at gas
On the axis of spring, and the angular range supported is the most extensive, is easy under the effect of load pressure
The piston rod making air spring in using rotates relative to cylinder barrel.
Utility model content
Technical problem to be solved in the utility model is: in order to overcome in prior art piston rod relative to cylinder
The deficiency that cylinder easily rotates, this utility model provides a kind of anti-rotation air spring.
The technical scheme that this utility model solves its technical problem to be taken is: a kind of anti-rotation air spring,
Including cylinder barrel, piston rod, piston and the anti-rotation structure of axial rotation between cylinder barrel and piston rod can be prevented,
Described piston is fixed with piston rod and is connected and is placed in inside airtight cylinder barrel, and the described piston rod other end is to extension
Stretching out cylinder barrel, described anti-rotation structure includes the confined planes being arranged in inner wall of cylinder and is fixedly connected on described work
Limited block on stopper rod, the end of described limited block has the shape mated with described confined planes, described spacing
The end of block can slidably reciprocate on confined planes vertically.
Concrete, described confined planes is one or two plane that bearing of trend is parallel with described bore axis,
Described confined planes is to the distance of bore axis less than the radius of described cylinder barrel, and described limited block end is with described
The rectangle plane that confined planes width is equal, and described confined planes contacts with rectangle plane.
The beneficial effects of the utility model are: a kind of anti-rotation air spring that this utility model provides, at cylinder barrel
Confined planes is set on inwall, and the limited block that shape is mated with confined planes is installed on piston, pass through confined planes
And the interaction between limited block avoids cylinder barrel and piston rod to produce relative rotation, it is ensured that air spring work
Reliability.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of this utility model cylinder barrel；
Fig. 2 is the structural representation of the first embodiment of this utility model；
Fig. 3 is the structural representation of this utility model the second embodiment；
Fig. 4 is the structural representation of limited block of the present utility model；
Fig. 5 is the structural representation of the third embodiment of this utility model；
Fig. 6 is the structural representation of the 4th kind of embodiment of this utility model；
Fig. 7 is the structural representation of piston in embodiment four.
In figure: 1, cylinder barrel, 2, piston rod, 3, piston, 4, confined planes, 5, limited block.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in detail.This figure is the schematic diagram simplified, only to show
Meaning mode illustrates basic structure of the present utility model, and therefore it only shows the composition relevant with this utility model.
As shown in figs. 1-7, a kind of anti-rotation air spring of the present utility model, including cylinder barrel 1, piston rod 2,
The piston 3 and anti-rotation structure of axial rotation between cylinder barrel 1 and piston rod 2 can be prevented, described piston 3 with
Piston rod 2 is fixing to be connected and is placed in airtight cylinder barrel 1 inside, and described piston rod 2 other end extends outward
Cylinder barrel 1, described anti-rotation structure includes the confined planes 4 being arranged on cylinder barrel 1 inwall and is fixedly connected on described work
Limited block 5 on stopper rod 2, the end of described limited block 5 has the shape mated with described confined planes 4, institute
The end stating limited block 5 can slidably reciprocate on confined planes 4 vertically.
As in figure 2 it is shown, in embodiment one, described confined planes 4 is that bearing of trend is put down with described cylinder barrel 1 axis
One plane of row, the distance of described confined planes 4 to cylinder barrel 1 axis is less than the radius of described cylinder barrel 1, institute
Stating limited block 5 end is the rectangle plane equal with described confined planes 4 width, and described confined planes 4 and square
Shape plane contact.
As it is shown on figure 3, in embodiment two, described confined planes 4 is that bearing of trend is put down with described cylinder barrel 1 axis
Two planes of row, two confined planes 4 are the most symmetrical, the distance of described confined planes 4 to cylinder barrel 1 axis
Less than the radius of described cylinder barrel 1, described limited block 5 end is the rectangle equal with described confined planes 4 width
Plane, and described confined planes 4 contacts with rectangle plane.
As it is shown in figure 5, in embodiment three, use piston 3 directly as limited block 5, cylinder barrel 1 inwall set
There is the confined planes 4 that a bearing of trend is parallel with described cylinder barrel 1 axis, piston 3 excircle is whittled into spacing
One plane of face 4 coupling.
As shown in Figure 6, in embodiment four, use piston 3 directly as limited block 5, edge on cylinder barrel 1 inwall
Radial symmetric is provided with the confined planes 4 that two bearing of trends are parallel with described cylinder barrel 1 axis, on piston 3 excircle
It is whittled into two planes mated with confined planes 4, and two planes are the most symmetrical.
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 and amendment in the range of without departing from this utility model completely.
The technical scope of this utility model is not limited to the content in description, it is necessary to according to claim model
Enclose and determine its technical scope.
Claims (2)
1. an anti-rotation air spring, it is characterised in that: include cylinder barrel (1), piston rod (2), piston (3)
And the anti-rotation structure of axial rotation between cylinder barrel (1) and piston rod (2), described piston (3) can be prevented
Fix with piston rod (2) and be connected and be placed in airtight cylinder barrel (1) inside, described piston rod (2) other end
Extending outward cylinder barrel (1), described anti-rotation structure includes the confined planes (4) being arranged on cylinder barrel (1) inwall
With the limited block (5) being fixedly connected on described piston rod (2), the end of described limited block (5) has
The shape mated with described confined planes (4), the end of described limited block (5) can be on the upper edge of confined planes (4)
Axially slidably reciprocate.
2. anti-rotation air spring as claimed in claim 1, it is characterised in that: described confined planes (4) is
One or two plane that bearing of trend is parallel with described cylinder barrel (1) axis, described confined planes (4) arrives cylinder
The distance of cylinder (1) axis is less than the radius of described cylinder barrel (1), and described limited block (5) end is with described
The rectangle plane that confined planes (4) width is equal, and described confined planes (4) contacts with rectangle plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298336.5U CN205479081U (en) | 2016-04-11 | 2016-04-11 | Prevent rotating air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298336.5U CN205479081U (en) | 2016-04-11 | 2016-04-11 | Prevent rotating air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479081U true CN205479081U (en) | 2016-08-17 |
Family
ID=56645330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620298336.5U Active CN205479081U (en) | 2016-04-11 | 2016-04-11 | Prevent rotating air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479081U (en) |
-
2016
- 2016-04-11 CN CN201620298336.5U patent/CN205479081U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |