CN203297507U - Damping device - Google Patents
Damping device Download PDFInfo
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- CN203297507U CN203297507U CN2013203538110U CN201320353811U CN203297507U CN 203297507 U CN203297507 U CN 203297507U CN 2013203538110 U CN2013203538110 U CN 2013203538110U CN 201320353811 U CN201320353811 U CN 201320353811U CN 203297507 U CN203297507 U CN 203297507U
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- cylinder body
- piston rod
- damping device
- piston
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Abstract
The utility model discloses a damping device which comprises a cylinder body (4), sealing devices (3) and a resetting spring (8). A damping medium (5) is filled in the cylinder body (4). Improvements of the damping device include that the cylinder body (4) is provided with an annular piston (7) which is provided with a piston rod (2), the piston rod (2) penetrates from and only from one end of the cylinder body (4), a diameter-variable columnar body (6) is axially arranged at the center in the cylinder body (4), and the smallest diameter of the columnar body (6) is smaller than the diameter of an inner circle of the piston (7). Compared with the prior art, the damping device has the advantages that the damping device is suitable for occasions where application space is limited, especially to-be-damped objects with limited traveling directions and positions.
Description
Technical field
The utility model relates to a kind of damping device.
Background technique
Current damping device, the resistance produced is generally balanced, but needed under many circumstances be not balanced resistance, but need to provide the resistance of variation,
Chinese patent CN200420073009.7 discloses a kind of change clearance type viscous damper, it comprises cylinder body, piston, piston rod, resisting medium and seal arrangement, its described inboard wall of cylinder block adopts and becomes the cylinder diameter curved design, and the longitudinal section of the inwall of described cylinder body is about the symmetrical paraboloid of revolution or the conical surface in cylinder body middle part; The vertical face of piston is about the symmetrical paraboloid of revolution or the conical surface in piston middle part; Described cylinder diameter middle part is maximum, near inner end diameter, reduces gradually; Piston is also middle part diameter maximum, near the pistons end diameter, reduces gradually.The consistent piston of viscous damper and the cylinder body of making of the curvature of vertical diameter of cylinder diameter and piston keeps uniform gap width.
This damping device must pass the restriction that movement locus is realized at the cylinder body two ends by piston rod, for application space, in more substantial situation, generally do not have problems, but when being applied to the lower time of situation that application space as this as automobile shock-avoiding is comparatively narrow, piston rod can not be suitable for through the cylinder body two ends, and can not be suitable for or settle equally the position of piston rod operation for the situation of some space less.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of damping device, and it is limited that this damping device can be applicable to application space, particularly can be applied to the situation of the stroke directions limited location of damped object.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: comprise cylinder body (4), seal arrangement (3) and Returnning spring (8), be filled with resisting medium (5) in cylinder body (4), its improved main points are: the piston (7) that is provided with an annular at cylinder body (4), this piston (7) is provided with piston rod (2), described piston rod (2) from and only from an end of cylinder body (4), pass, cylinder body (4) Nei center is axially arranged with the Cylindrical object (6) of a reducing, and the minimum place of the diameter of this Cylindrical object (6) is less than the interior diameter of a circle of piston (7).
Above-mentioned piston rod (2) can be the cylinder of a cylindricality, also can be the rhabodoid more than two.
The cross section of above-mentioned Cylindrical object (6) can be circle or polygonal, as triangle, rectangle, five limits or Hexagon, is preferably circle.
The reducing of above-mentioned Cylindrical object (6) can be the linear reducing of taper or platform shape, it can be also the non-linear reducing of curved surface, described reducing can be unidirectional, change from small to big or from large to small, from large to small or can be also two-way or multidirectional, change from small to big again after from large to small again after changing from small to big, or after changing from small to big again from large to small, then change from small to big, the edge in the longitudinal section of described Cylindrical object (6) is symmetrical waveform again.
Above-mentioned Returnning spring (8) can be arranged in cylinder body (4), also can be arranged on the outer piston rod (7) of cylinder body (4).
Compared with prior art, it is limited that the utility model can be applicable to application space, particularly can be applied to the situation of the stroke directions limited location of damped object.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The perspective view that Fig. 1 is the utility model embodiment 1.
Fig. 2 be Figure 1A-A section structural representation.
The perspective view that Fig. 3 is the utility model embodiment 2.
Fig. 4 be Figure 1B-B section structural representation.
The structural representation that Fig. 5 is the utility model embodiment 3.
The structural representation that Fig. 6 is the utility model embodiment 4.
The structural representation that Fig. 7 is the utility model embodiment 5.
The structural representation that Fig. 8 is the utility model embodiment 6.
The structural representation that Fig. 9 is the utility model embodiment 7.
The structural representation that Figure 10 is the utility model embodiment 8.
The structural representation that Figure 11 is the utility model embodiment 9.
The structural representation that Figure 12 is the utility model embodiment 10.
The structural representation that Figure 13 is the utility model embodiment 11.
The structural representation that Figure 14 is the utility model embodiment 12.
The structural representation that Figure 15 is the utility model embodiment 13.
Shown in figure: 1 is the piston rod end plate, and 2 is piston rod, and 3 is seal arrangement, and 4 is cylinder body, and 5 is resisting medium, and 6 is Cylindrical object, and 7 is piston, and 8 is Returnning spring.
Embodiment
embodiment 1:with reference to Fig. 1～Fig. 2, structural representation for the utility model embodiment 1, the present embodiment comprises cylinder body (4), seal arrangement (3) and Returnning spring (8), cylinder body (4) is circular, be filled with resisting medium (5) in cylinder body (4), be provided with the piston (7) of a ring at cylinder body (4), this piston (7) is provided with piston rod (2), the cylinder that piston rod (2) is a cylindricality, described piston rod (2) from and the end that only from an end of cylinder body (4), passes piston rod (2) be provided with piston rod end plate 1, piston rod end plate 1 is provided with bleeder port, cylinder body (4) Nei center is axially arranged with a Cylindrical object (6) that is round table-like reducing, the minimum place of the diameter of this Cylindrical object (6) is less than the interior diameter of a circle of piston (7), biggest place is identical with the interior diameter of a circle of piston (7), Returnning spring (8) is arranged at the opposite side of cylinder body (4) inner piston rod (2).
embodiment 2:with reference to Fig. 3～4, the utility model embodiment 2 structural representation, compare with embodiment 1, and the main distinction of the present embodiment is: described piston rod (2) is 4 rhabodoids.
embodiment 3:with reference to Fig. 5, the utility model embodiment 3 structural representation, compare with embodiment 2, and the main distinction of the present embodiment is: the Cylindrical object (6) at described cylinder body (4) Nei center is the reducing that centre is little and increase gradually to two ends.
embodiment 4:with reference to Fig. 6, the utility model embodiment 4 structural representation, with embodiment 2, compare, the main distinction of the present embodiment is: the centre of the Cylindrical object (6) at described cylinder body (4) Nei center be one section isometrical cylindrical, two ends are the reducing shape increased gradually.
embodiment 5:with reference to Fig. 7, the utility model embodiment 5 structural representation, with embodiment 2, compare, the main distinction of the present embodiment is: the centre of the Cylindrical object (6) at described cylinder body (4) Nei center be one section isometrical cylindrical, two ends are the reducing shape diminished gradually.
embodiment 6:with reference to Fig. 8, the utility model embodiment 6 structural representation, compare with embodiment 2, and the main distinction of the present embodiment is: described piston rod (2) is 2 rhabodoids.
embodiment 7:with reference to Fig. 9, the utility model embodiment 7 structural representation, compare with embodiment 2, and the main distinction of the present embodiment is: described piston rod (2) is 3 rhabodoids.
embodiment 8:with reference to Figure 10, the utility model embodiment 8 structural representation, compare with embodiment 1, and the main distinction of the present embodiment is: described Returnning spring (8) is arranged between the outer and piston rod end plate 1 of cylinder body (4).
embodiment 9:with reference to Figure 11, the utility model embodiment 9 structural representation, compare with embodiment 2, and the main distinction of the present embodiment is: described Returnning spring (8) is arranged on the outer piston rod (2) of cylinder body (4).
embodiment 10:with reference to Figure 12, the utility model embodiment 10 structural representation, compare with embodiment 1, and the main distinction of the present embodiment is: the cross section of the Cylindrical object (6) in described cylinder body (4) is Hexagon.
embodiment 11:with reference to Figure 13, the utility model embodiment 11 structural representation, compare with embodiment 1, and the main distinction of the present embodiment is: the cross section of the Cylindrical object (6) in described cylinder body (4) and cylinder body (4) is square.
embodiment 12:with reference to Figure 14, the utility model embodiment 12 structural representation, compare with embodiment 1, and the main distinction of the present embodiment is: the cross section of described cylinder body (4) is for circular, and the cross section of the Cylindrical object (6) in described cylinder body (4) is square.
embodiment 13:with reference to Figure 15, the utility model embodiment 13 structural representation, compare with embodiment 2, and the main distinction of the present embodiment is: the cross section of the Cylindrical object (6) in described cylinder body (4) and cylinder body (4) is square.
Claims (7)
1. a damping device, comprise cylinder body (4), seal arrangement (3) and Returnning spring (8), be filled with resisting medium (5) in cylinder body (4), it is characterized in that: the piston (7) that is provided with an annular at cylinder body (4), this piston (7) is provided with piston rod (2), described piston rod (2) from and only from an end of cylinder body (4), pass, cylinder body (4) Nei center is axially arranged with the Cylindrical object (6) of a reducing, and the minimum place of the diameter of this Cylindrical object (6) is less than the interior diameter of a circle of piston (7).
2. damping device according to claim 1, is characterized in that: the cylinder that described piston rod (2) is a cylindricality.
3. damping device according to claim 1, it is characterized in that: described piston rod (2) is the rhabodoid more than two.
4. according to claim 1,2 or 3 described damping devices, it is characterized in that: the linear reducing that the reducing of described Cylindrical object (6) is taper or platform shape or the non-linear reducing of curved surface.
5. according to claim 1,2 or 3 described damping devices, it is characterized in that: the cross section of described Cylindrical object (6) is circle or polygonal.
6. according to claim 1,2 or 3 described damping devices, it is characterized in that: the cross section of described cylinder body (4) is circle or polygonal.
7. damping device according to claim 4, it is characterized in that: the cross section of described cylinder body (4) is circle or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203538110U CN203297507U (en) | 2013-06-20 | 2013-06-20 | Damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203538110U CN203297507U (en) | 2013-06-20 | 2013-06-20 | Damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297507U true CN203297507U (en) | 2013-11-20 |
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ID=49573515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203538110U Expired - Fee Related CN203297507U (en) | 2013-06-20 | 2013-06-20 | Damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343797A (en) * | 2013-06-20 | 2013-10-09 | 王旭安 | Damping device |
-
2013
- 2013-06-20 CN CN2013203538110U patent/CN203297507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343797A (en) * | 2013-06-20 | 2013-10-09 | 王旭安 | Damping device |
| CN103343797B (en) * | 2013-06-20 | 2016-05-25 | 王旭安 | A kind of damping unit |
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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: 20131120 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |