CN204387190U - Damped cylinder piston mechanism - Google Patents
Damped cylinder piston mechanism Download PDFInfo
- Publication number
- CN204387190U CN204387190U CN201420794162.2U CN201420794162U CN204387190U CN 204387190 U CN204387190 U CN 204387190U CN 201420794162 U CN201420794162 U CN 201420794162U CN 204387190 U CN204387190 U CN 204387190U
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- CN
- China
- Prior art keywords
- piston mechanism
- damped cylinder
- reduced diameter
- diameter section
- valve block
- 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
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- Fluid-Damping Devices (AREA)
Abstract
The utility model is a kind of damped cylinder piston mechanism, comprise piston rod, it is reduced diameter section bottom this piston rod, on this reduced diameter section, kink has valve seat and piston mechanism successively from inside to outside, the end of this reduced diameter section is provided with set screw nut, and described valve seat and piston mechanism are fixed on described piston rod by this set screw nut; Be axially arranged with at least one circulation road at described piston mechanism, the inner of this piston mechanism is provided with circulation valve block and spring sheet, and wherein spring sheet is near described valve seat; The outer end of this piston mechanism described is disposed with throttle valve plate from inside to outside, restores valve block, at least a slice pad and packing ring.Overall structure is simple, only need by suit orderly for all parts on the piston rod, all bring great convenience to assembling and maintenance; Only need, by regulating the size of pad quantity and the damping of adjustable whole damped cylinder piston mechanism, make it better adapt to different type of machines simultaneously.
Description
Technical field
The utility model relates to vibration damper technical field, is specifically related to a kind of damped cylinder piston mechanism.
Background technique
At automobile industry vibration damper as suppression road vibration, travelling comfort is brought to driver and passenger, shock-absorbing function is realized at motorcycle industry vibration damper many employings spring, damping effect is undesirable, and easily damage, also have and adopt damped cylinder and spring cooperation to realize damping, the flow that in damped cylinder, piston mechanism crosses piston by control flow check produces damping, realize shock-absorbing function, existing damped cylinder piston mechanism complex structure, and the damping of each piston mechanism be design time fixed value, different type of machines can not be met, the demand in different application field, considerably increase the cost of production of motorcycle manufacturing, limit the application of hydraulic damper at motorcycle field.
Model utility content
The utility model is for the deficiencies in the prior art, and propose a kind of structure simple, easy to assembly, better can adapt to the damped cylinder piston mechanism of different automobile types and Environmental Conditions, concrete technological scheme is as follows:
A kind of damped cylinder piston mechanism, comprise piston rod (1), this piston rod (1) bottom is reduced diameter section (2), on this reduced diameter section (2), kink has valve seat (3) and piston mechanism (4) successively from inside to outside, the end of this reduced diameter section (2) is provided with set screw nut (5), and described valve seat (3) and piston mechanism (4) are fixed on described piston rod (1) by this set screw nut (5); At least one circulation road (6) is axially arranged with at described piston mechanism (4), the inner of this piston mechanism (4) is provided with circulation valve block (7) and spring sheet (8), and wherein spring sheet (8) is near described valve seat (3); The outer end of described this piston mechanism (4) is disposed with throttle valve plate (9) from inside to outside, restores valve block (10), at least a slice pad (11) and packing ring (12).
The utility model uses like this, by whole damped cylinder piston mechanism, be arranged in damped cylinder, damped cylinder is divided into upper and lower two chambers by this damped cylinder piston mechanism, when whole damped cylinder piston mechanism runs downwards, the hydraulic oil of damped cylinder bottom is by restoring valve block (10), throttle valve plate (9), circulation road (6) in piston mechanism (4) and circulation valve block (7) enter the upper chamber of damped cylinder, the speed downward at whole piston mechanism is faster, wherein the aperture of throttle valve plate (9) and circulation valve block (7) is larger, hydraulic oil in lower chambers will produce damping when passing through slowly piston mechanism, in like manner, in the process that whole damped cylinder piston mechanism moves upward, the hydraulic oil in upper chamber also will slow transit through damped cylinder piston mechanism, produce damping, be assembled mutually by firm for damped cylinder piston mechanism, finally realize shock-absorbing function with damper mechanism.
For better realizing the utility model, may further be:
The outer end of described piston mechanism (4) is provided with spill valve block chamber (13), described throttle valve plate (9), restore valve block (10), at least a slice pad (11) and packing ring (12) are arranged in this spill valve block chamber (13).Can organically forming an entirety to being arranged on all parts in spill valve block chamber (13), protective action being formed to wherein each parts simultaneously.
The exterior edge face of described reduced diameter section (2) has fixed hole, is equipped with screw (14) in this fixed hole, the diameter of this screw (14) outer end is greater than the internal diameter of described set screw nut (5) endoporus.Screw (14) can be fixed further to set screw nut (5), effectively prevents set screw nut (5) from loosening and causes whole damped cylinder piston mechanism to lose efficacy.
Described throttle valve plate (9) is round structure, is evenly distributed with at least one U-shaped breach (15) at the edge of this throttle valve plate (9), and structure is simple, by U-shaped breach (15) uniform flow.
Described spring sheet (8) is pentalpha spring sheet, and structure is simple, and elastic force is even.
The beneficial effects of the utility model are: overall structure is simple, only need by suit orderly for all parts on the piston rod, all bring great convenience to assembling and maintenance; Simultaneously only need by regulating the size of pad quantity and the damping of adjustable whole damped cylinder piston mechanism, it is made better to adapt to different type of machines, the demand in different application field, expands application area of the present utility model, is convenient to the popularization that the utility model is applied in motorcycle, tricycle simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of throttle valve plate in the utility model;
Fig. 3 is that the utility model is hit by a bullet the structural representation of reed.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1: a kind of damped cylinder piston mechanism, comprise piston rod 1, be reduced diameter section 2 bottom this piston rod 1, on this reduced diameter section 2, kink has valve seat 3 and piston mechanism 4 successively from inside to outside, wherein on the outer end of this piston mechanism 4, be provided with spill valve block chamber 13, three circulation roads 6 are axially arranged with at this piston mechanism 4, the inner of this piston mechanism 4 is provided with circulation valve block 7 and spring sheet 8, wherein spring sheet 8 is near described valve seat 3, throttle valve plate 9 is disposed with from inside to outside in spill valve block chamber 13 in piston mechanism 4, restore valve block 10, three pads 11 and packing ring 12,
The end of reduced diameter section 2 is provided with set screw nut 5, described valve seat 3 and piston mechanism 4 are fixed on described piston rod 1 by this set screw nut 5, the exterior edge face of reduced diameter section 2 has fixed hole, screw 14 is equipped with in this fixed hole, the diameter of this screw 14 outer end is greater than the internal diameter of described set screw nut 5 endoporus, being undertaken spacing by screwing in screw 14 pairs of set screw nuts 5, can effectively prevent set screw nut 5 from loosening.
As shown in Figure 2: wherein throttle valve plate 9 is round structure, at least one U-shaped breach 15 is evenly distributed with at the edge of this throttle valve plate 9.
As shown in Figure 3: wherein spring sheet 8 is pentalpha spring sheet, elastic force is even, durable in use.
Claims (5)
1. a damped cylinder piston mechanism, it is characterized in that: comprise piston rod (1), this piston rod (1) bottom is reduced diameter section (2), on this reduced diameter section (2), kink has valve seat (3) and piston mechanism (4) successively from inside to outside, the end of this reduced diameter section (2) is provided with set screw nut (5), and described valve seat (3) and piston mechanism (4) are fixed on described piston rod (1) by this set screw nut (5);
At least one circulation road (6) is axially arranged with at described piston mechanism (4), the inner of this piston mechanism (4) is provided with circulation valve block (7) and spring sheet (8), and wherein spring sheet (8) is near described valve seat (3);
The outer end of described this piston mechanism (4) is disposed with throttle valve plate (9) from inside to outside, restores valve block (10), at least a slice pad (11) and packing ring (12).
2. damped cylinder piston mechanism according to claim 1, it is characterized in that: the outer end of described piston mechanism (4) is provided with spill valve block chamber (13), described throttle valve plate (9), restore valve block (10), at least a slice pad (11) and packing ring (12) are arranged in this spill valve block chamber (13).
3. damped cylinder piston mechanism according to claim 1, it is characterized in that: on the exterior edge face of described reduced diameter section (2), have fixed hole, in this fixed hole, be equipped with screw (14), the diameter of this screw (14) outer end is greater than the internal diameter of described set screw nut (5) endoporus.
4. damped cylinder piston mechanism according to claim 1, is characterized in that: described throttle valve plate (9) is round structure, is evenly distributed with at least one U-shaped breach (15) at the edge of this throttle valve plate (9).
5. damped cylinder piston mechanism according to claim 1, is characterized in that: described spring sheet (8) is pentalpha spring sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794162.2U CN204387190U (en) | 2014-12-15 | 2014-12-15 | Damped cylinder piston mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794162.2U CN204387190U (en) | 2014-12-15 | 2014-12-15 | Damped cylinder piston mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387190U true CN204387190U (en) | 2015-06-10 |
Family
ID=53359912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420794162.2U Expired - Fee Related CN204387190U (en) | 2014-12-15 | 2014-12-15 | Damped cylinder piston mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387190U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020317A (en) * | 2015-07-23 | 2015-11-04 | 瑞安市朝日汽车部件有限公司 | Telescopic shock absorber |
| CN105769395A (en) * | 2016-04-12 | 2016-07-20 | 上海理工大学 | Electric control hydraulic damping cylinder structure for intelligent knee joint |
| CN107725661A (en) * | 2017-11-01 | 2018-02-23 | 四川宁江山川机械有限责任公司 | A kind of circulation control valve of vehicle shock absorber |
-
2014
- 2014-12-15 CN CN201420794162.2U patent/CN204387190U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020317A (en) * | 2015-07-23 | 2015-11-04 | 瑞安市朝日汽车部件有限公司 | Telescopic shock absorber |
| CN105020317B (en) * | 2015-07-23 | 2017-11-17 | 瑞安市朝日汽车部件有限公司 | Telescopic shock absorber |
| CN105769395A (en) * | 2016-04-12 | 2016-07-20 | 上海理工大学 | Electric control hydraulic damping cylinder structure for intelligent knee joint |
| CN107725661A (en) * | 2017-11-01 | 2018-02-23 | 四川宁江山川机械有限责任公司 | A kind of circulation control valve of vehicle shock absorber |
| CN107725661B (en) * | 2017-11-01 | 2023-10-31 | 四川宁江山川机械有限责任公司 | Flow control valve of automobile shock absorber |
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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: 20150610 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |