CN202140495U - Novel monotubular shock absorber - Google Patents
Novel monotubular shock absorber Download PDFInfo
- Publication number
- CN202140495U CN202140495U CN201120194505U CN201120194505U CN202140495U CN 202140495 U CN202140495 U CN 202140495U CN 201120194505 U CN201120194505 U CN 201120194505U CN 201120194505 U CN201120194505 U CN 201120194505U CN 202140495 U CN202140495 U CN 202140495U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- piston
- air bag
- cylinder
- oil
- 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
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a novel monotubular shock absorber, which comprises a connecting rod assembly and a cylinder assembly. An oil seal sleeve and an oil seal are arranged at the mouth of a cylinder. A connecting rod passing through the oil seal sleeve and the oil seal extends into the cylinder and a piston is arranged at the lower end portion of the connecting rod. The piston is driven to slide up and down inside the cylinder by exerting a force on the connecting rod. A combination sealing member arranged inside an annular groove at the outer circumference of the piston comprises an O-shaped ring arranged at the inner circle of the annular groove and a retaining ring arranged at the periphery of the O-shaped ring. The lower end of the oil seal sleeve is equipped with a cylindrical air bag through a guider assembly. The outer circumference of the cylindrical air bag clings to the inner wall of the cylinder. The length of the cylindrical air bag is slightly smaller than the length of the part of the cylinder between the piston and the guider assembly when the connecting rod rises to a highest point. The novel monotubular shock absorber is good in sealing effect and can prevent the inner leakage thereof. Therefore, a relatively larger damping force can be easily provided by the shock absorber at a low speed and the value of the damping force is kept stable. The monotubular shock absorber adopts the air bag instead of a floating piston, thus is simple in structure and production process, economical and practical.
Description
Technical field
The utility model relates to a kind of vibration damping apparatus, particularly a kind of novel monotubular vibration damper that under low speed, can produce big damping force.
Background technique
One type of monotubular vibration damper is arranged, require when low speed, to reach higher compressive force value, the recuperability value is zero; In order to meet this requirement, the piston that originally designed in its connecting rod ASSY structure adopts piston ring or O type circle to prevent too much interior leakage, cooperates compression valves system again; Also must be designed with floating piston and make Oil-gas Separation; It is complicated to do not only manufacturing process like this, and manufacture cost increases, and this to depend merely on the structure that piston ring or O type circle seal very stable and reliable; Be easy to generate interior leakage, be difficult to produce bigger damping force.
Summary of the invention
The technical problem that the utility model will solve is: provide a kind of simple in structure, have the novel monotubular vibration damper of combination seal, to overcome the existing above-mentioned deficiency of prior art.
The technological scheme that the utility model is taked is: a kind of novel monotubular vibration damper; Comprise connecting rod ASSY and cylinder barrel assembly; Connecting rod ASSY comprises connecting rod, oil-sealing sleeve, oil sealing and piston; Oil-sealing sleeve and oil sealing are installed in the cylinder barrel mouth, and connecting rod passes the underpart that mounting hole puts in the cylinder barrel, piston is installed in connecting rod at oil-sealing sleeve and oil sealing center, drive piston when connecting rod is stressed and in cylinder barrel, slide up and down; In the annular groove of the excircle of said piston combination seal is installed, said combination seal comprises combination seal O type circle that is installed in the annular groove inner ring and the back-up ring that is positioned at combination seal O type circle periphery.
Its further technological scheme is: said oil-sealing sleeve lower end is equipped with a cylindrical shape air bag through director assembly; The excircle of cylindrical shape air bag is close to the inwall of cylinder barrel, and the length of cylindrical shape air bag is slightly less than the cylinder barrel length between the piston and director assembly when connecting rod rises to peak.
Because adopt technique scheme, a kind of novel monotubular vibration damper of the utility model has following beneficial effect:
1. in the annular groove of the excircle of a kind of novel its piston of monotubular vibration damper of the utility model combination seal is installed; Combination seal mode sealing effect to fluid when vibration damper is worked is more effective than leaning on the mode of O type circle separately; Can prevent interior leakage; Make vibration damper under the situation of low speed than being easier to obtain bigger damping force, and the power value can both guarantee more stable.
2. a kind of novel monotubular vibration damper of the utility model uses air bag to replace floating piston, and the monotubular damper structure is simple, production technology is easy thereby make, and is economical and practical.
Below, in conjunction with accompanying drawing and embodiment the technical characteristics of a kind of novel monotubular vibration damper of basis is further described.
Description of drawings
Fig. 1: a kind of novel monotubular damper structure schematic representation (partly cuing open figure) of the utility model;
The A portion enlarged view of Fig. 2: Fig. 1;
The B portion enlarged view of Fig. 3: Fig. 1.
Among the figure:
I-connecting rod ASSY, II-cylinder barrel assembly;
1-connecting rod, 2-oil-sealing sleeve, 3-oil sealing, 4-O type circle, 5-director assembly, 6-air bag, 7-piston, 71-annular groove, 8-back-up ring, 9-combination seal O type circle, 10-wear-resistant ring.
Embodiment
Embodiment
A kind of novel monotubular vibration damper; Comprise connecting rod ASSY I and cylinder barrel assembly II; Connecting rod ASSY comprises connecting rod 1, oil-sealing sleeve 2, oil sealing 3 and piston 7, and oil-sealing sleeve 2 is installed in the cylinder barrel mouth with oil sealing 3, and the mounting hole that connecting rod 1 passes oil-sealing sleeve 2 and oil sealing 3 centers puts in the cylinder barrel; Piston 7 is installed in the underpart of connecting rod 1, drives piston when connecting rod is stressed and in cylinder barrel, slides up and down; In the annular groove 71 of the excircle of said piston 7 combination seal is installed; Said combination seal comprises combination seal O type circle 9 that is installed in annular groove 71 inner rings and the back-up ring 8 that is positioned at combination seal O type circle periphery; During installation; Earlier combination seal O type circle 9 is inserted in the piston ring groove 71, again back-up ring 8 is inserted in same annular groove 71.Said back-up ring adopts polytetrafluoroethylmaterial material to process.
Said oil-sealing sleeve lower end is equipped with a cylindrical shape air bag 6 through director assembly, and the excircle of cylindrical shape air bag is close to the inwall of cylinder barrel, and the length of cylindrical shape air bag is slightly less than the cylinder barrel length between the piston 7 and director assembly 5 when connecting rod rises to peak.
The foregoing description is the utility model preferable embodiment wherein.
The working principle of a kind of vibration damper of the utility model:
When vibration damper in the process of lower compression; The pressure of connecting rod ASSY piston bottom raises; Swollen the rising of O type circle of the combination seal of installing in the annular groove of the excircle of piston holds out against back-up ring; Thereby can stop fluid from flowing into the cylinder barrel upper end between piston and the cylinder barrel preferably, fluid must be opened from the throttle orifice of throttling sheet or damping fin and form circulation passage and flow to the upper end, thereby produces bigger damping value requirement when reaching low speed.Connecting rod presses down in the process, and the connecting rod volume that gets in the cylinder barrel has increased the cylinder barrel internal pressure, through the air in the compressing gasbag, has played the effect of floating piston.
Claims (2)
1. novel monotubular vibration damper; Comprise connecting rod ASSY (I) and cylinder barrel assembly (II); Connecting rod ASSY comprises connecting rod (1), oil-sealing sleeve (2), oil sealing (3) and piston (7); Oil-sealing sleeve (2) and oil sealing (3) are installed in the cylinder barrel mouth; The mounting hole that connecting rod (1) passes oil-sealing sleeve (2) and oil sealing (3) center puts in the cylinder barrel, and piston (7) is installed in the underpart of connecting rod (1), drives piston when connecting rod is stressed and in cylinder barrel, slides up and down; It is characterized in that: in the annular groove (71) of the excircle of said piston (7) combination seal is installed, said combination seal comprises the combination seal O type circle (9) that is installed in annular groove (71) inner ring and is positioned at the back-up ring (8) of combination seal O type circle periphery.
2. a kind of novel monotubular vibration damper according to claim 1; It is characterized in that: said oil-sealing sleeve lower end is equipped with a cylindrical shape air bag (6) through director assembly (5); The excircle of cylindrical shape air bag is close to the inwall of cylinder barrel, and the length of cylindrical shape air bag is slightly less than the cylinder barrel length between piston when connecting rod rises to peak (7) and the director assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194505U CN202140495U (en) | 2011-06-10 | 2011-06-10 | Novel monotubular shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194505U CN202140495U (en) | 2011-06-10 | 2011-06-10 | Novel monotubular shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140495U true CN202140495U (en) | 2012-02-08 |
Family
ID=45551553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120194505U Expired - Fee Related CN202140495U (en) | 2011-06-10 | 2011-06-10 | Novel monotubular shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626297A (en) * | 2017-03-16 | 2018-10-09 | 李忠家 | Shock absorber |
-
2011
- 2011-06-10 CN CN201120194505U patent/CN202140495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626297A (en) * | 2017-03-16 | 2018-10-09 | 李忠家 | Shock absorber |
| CN108626297B (en) * | 2017-03-16 | 2019-12-13 | 李忠家 | shock absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240442A (en) | Oil damper | |
| CN107763130A (en) | Unitary adjustable section postpones nitrogen spring | |
| CN202140495U (en) | Novel monotubular shock absorber | |
| CN204458961U (en) | Air buffer | |
| CN208885852U (en) | A kind of single valve piece inner wall throttle type Bidirectional damping mechanism and hydraulic shock-absorption piston | |
| CN204153043U (en) | Two bar double-drum type vibration damper | |
| CN203656013U (en) | Viscous damper | |
| CN201517615U (en) | Buffering type hydraulic mud valve | |
| CN204004139U (en) | The vibration damper with double-piston | |
| CN205715744U (en) | A kind of electric sleeve barrel regulation valve | |
| CN204827881U (en) | Long column stopper circulating pump | |
| CN203685533U (en) | Novel replaceable anti-gas oil pump | |
| CN204647125U (en) | Control valve assembly, vibration damper and vehicle suspension system | |
| CN207906355U (en) | A kind of damper | |
| CN202108477U (en) | Plunger water pumping gas production well mouth buffer | |
| CN204344927U (en) | The outside framework oil seal of high leak tightness | |
| CN204083037U (en) | A kind of vibration damper | |
| CN203516025U (en) | Directional force-close type deloading gas prevention oil well pump | |
| CN202790593U (en) | High temperature balanced type stop valve | |
| CN207018580U (en) | Check-valves is opened in piston type rotation | |
| RU92487U1 (en) | HOSE PUMP FOR HIGH VISCOUS OIL PRODUCTION | |
| CN104912991B (en) | A kind of Motor drive ride control shock absorber | |
| CN106677555B (en) | Many focus hydraulic splitting machines for concrete | |
| CN205173113U (en) | Oil pressure corner jar | |
| CN203892439U (en) | Damper |
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: 20120208 Termination date: 20200610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |