CN103075457A - Leak-proof hydraulic auxiliary shock absorber - Google Patents
Leak-proof hydraulic auxiliary shock absorber Download PDFInfo
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- CN103075457A CN103075457A CN2012104041340A CN201210404134A CN103075457A CN 103075457 A CN103075457 A CN 103075457A CN 2012104041340 A CN2012104041340 A CN 2012104041340A CN 201210404134 A CN201210404134 A CN 201210404134A CN 103075457 A CN103075457 A CN 103075457A
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- oiling duct
- hydraulic pressure
- housing
- duct
- oiling
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Abstract
The invention relates to a leak-proof hydraulic auxiliary shock absorber, which comprises a hydraulic shell. One end of the hydraulic shell is open. An elastic oil separation sleeve is arranged at the open end of the shell in a sealed way. A piston rod is arranged on the middle part of the elastic oil separation sleeve in a penetration way. A damping disc is arranged at the bottom of the piston rod. The bottom of the oil separation sleeve and the damping disc form a first liquid chamber. The bottom of the damping disc and the shell form a second liquid chamber. The edge of the damping disc and the sidewall of the shell are in clearance fit, and form a hydraulic flow channel by which the first and second liquid chambers are communicated. A side oil charging hole passage is reserved in another end wallboard of the shell, and a sealing threaded rod is arranged in the side oil charging hole passage. A bottom plate is thickened, an oil charging port conventionally reserved in the sidewall is reserved in the thickened bottom plate, oil is charged in a side oil charging way, and the tapered sealing threaded rod is used for sealing, so that the leak-proof performance is higher than that of an ordinary plug mode, a higher limit load can be born, and the shock absorber has a higher safety coefficient.
Description
Technical field
The present invention relates to a kind of dydraulic shock absorber, be specifically related to a kind of Anti-leakage type hydraulic pressure auxiliary damper.
Background technique
Vibration damper mainly is be used to reducing or eliminating vibration to parts of equipment and personnel's impact.It plays the effect of attenuation and absorption vibration.So that some equipment and personnel avoid the impact of bad vibration, play the effect of protection equipment and personnel normal operation and safety, therefore be widely used on the equipments such as various lathes, automobile, motorcycle.
Dydraulic shock absorber is a kind of in numerous vibration dampers, is widely used in some critical equipment, needs on the equipment of vibration damping such as the undercarriage of aircraft, the launcher of guided missile, various automobile, motorcycle etc.
Dydraulic shock absorber is take hydraulic oil as working medium and utilizes the viscous damping effect of oil, forms certain pressure reduction in the front and back of restriction or valve, the kinetic energy of vibration is become the pressure energy attenuation and absorption vibration of liquid.
As shown in Figure 1, traditional hydraulic damper sealing configuration is simpler, adopts the mode of plug to seal, and pouring orifice 99 easily causes leak of liquid in the side of cylindrical body housing after long-term the use.
Summary of the invention
The technical problem to be solved in the present invention is: propose a kind of hydraulic damper that can effectively prevent hydraulic fluid leak.
The present invention is that the technological scheme that solves the problems of the technologies described above proposition is: a kind of Anti-leakage type hydraulic pressure auxiliary damper, the hydraulic pressure housing that comprises an end opening, the opening end sealing of described housing is provided with elasticity oil removal cover, the middle part of described elasticity oil removal cover is equipped with piston rod, described piston rod bottom is provided with damping tray, described oil removal cover bottom forms the first sap cavity with described damping tray, described damping tray bottom forms the second sap cavity with described housing, described damping tray edge and described housing sidewall Spielpassung also form the hydraulic pressure runner that is communicated with the first sap cavity and the second sap cavity, offer side oiling duct in the described housing the other end wallboard, described side oiling duct is mainly by the first paragraph oiling duct that is communicated with described the second sap cavity from housing the other end wallboard middle part with by extending and the second segment oiling duct that communicates with described hydraulic case external body consists of in first paragraph oiling duct; It is stepped that the section in housing the other end wallboard sidepiece and described second segment oiling duct is located in the outlet in described second segment oiling duct, is provided with the sealing screw rod in it.
The invention has the beneficial effects as follows:
The present invention is by the thickening base plate, with existing open to change at the pouring orifice on the sidewall reach on the base plate of thickening and use and survey the oiling of oiling mode, and adopt the cone seal screw rod to seal, aspect leakproof, surpass common plug mode, and it is larger to bear limit load.Has higher safety coefficient.
Having improved of technique scheme:
Further improving of offside oiling duct has: the section in described second segment oiling duct is that the taper that ecto-entad shrinks gradually is stepped, and described sealing screw rod is the cone seal bar, and described side oiling duct is L shaped.
In order to make the better tightness of sealing screw rod, described cone seal screw rod comprises cone seal leading portion and O-ring seals stage casing.
In order to obtain specific damping to the mobile throttling action that plays of liquid, described damping tray is provided with the pressure release closed hole.
In order to obtain specific damping to the mobile throttling action that plays of liquid, in the described hydraulic pressure runner pressure release sealing mechanism is installed.
In order to further facilitate the servicing fluids force feed, described side oiling duct also comprises the 3rd section oiling duct, and described first, second, and third section oiling duct is crossed as Y shape, and described housing the other end wallboard sidepiece is located in the outlet in described the 3rd section oiling duct.
Description of drawings
Below in conjunction with accompanying drawing Anti-leakage type hydraulic pressure auxiliary damper of the present invention is described further.
Fig. 1 is the structural representation of existing Anti-leakage type hydraulic pressure auxiliary damper.
Fig. 2 is the appearance assumption diagram of Anti-leakage type hydraulic pressure auxiliary damper of the present invention.
Fig. 3 is the structural representation of Anti-leakage type hydraulic pressure auxiliary damper of the present invention.
Fig. 4 is that the A-A of Fig. 3 is to sectional drawing.
Fig. 5 is the structural representation of pressure release closed hole among the present invention.
Fig. 6 is the structural representation of cone seal screw rod among the present invention.
Embodiment
Embodiment
To shown in Figure 6, the present invention includes piston rod 1, elasticity oil removal cover 2, oil hydraulic cylinder housing 3, damping tray 4 and cone seal screw rod 10 according to Fig. 2.
Wherein, oil hydraulic cylinder housing 3 one end openings, the opening end sealing is provided with elasticity oil removal cover 2, and the elasticity oil removal is overlapped 2 middle parts and is equipped with piston rod 1, and piston rod 1 bottom is provided with damping tray 4, and damping tray 4 is provided with pressure release closed hole 9.The elasticity oil removal is overlapped that 2 bottoms concave and is cooperated with damping tray 4 backs and forms the first sap cavity 5, damping tray 4 bottoms and oil hydraulic cylinder housing 3 form the second sap cavity 6, damping tray 4 edges and oil hydraulic cylinder housing 3 sidewall spacers cooperate formation hydraulic pressure runner 7, hydraulic pressure runner 7 is communicated with first, the second sap cavity 5,6, the other end wallboard of oil hydraulic cylinder housing 3 offers side oiling duct 8 after thickening, side oiling duct 8 is mainly by the first paragraph oiling duct 8.1 that is communicated with the second sap cavity 6 from housing the other end wallboard middle part with by extending and consist of with the second segment oiling duct 8.3 of oil hydraulic cylinder housing 3 exterior in first paragraph oiling duct 8.1; It is stepped that the section in housing the other end wallboard sidepiece and second segment oiling duct 8.3 is located in the outlet in second segment oiling duct 8.3, is provided with cone seal screw rod 10 in it.The cone seal screw rod comprises that cone seal leading portion 10.1 and the O-ring seals stage casing 10.2 that is enclosed within on this bar form.
During by the 3rd section oiling duct 8.2 oiling, cone seal screw rod 10 withdraws from a segment distance, 10.2 leading seal actions of the O-ring seals in stage casing, close the valve of oil hydraulic pump pipeline, open the valve of vacuum pump pipeline, use vacuum pump that the gas in the hydraulic pressure cavity is discharged, then close the vacuum line valve, open the oil hydraulic pump pipeline, liquid is poured in the product.To carry out sealing screw rod 10 and screw, with the sealing of product grease chamber, can withdraw from vacuum pump and oil hydraulic pump pipeline this moment, re-uses plug and seal.
When the pressure of the first sap cavity 5 is crossed greater than the second sap cavity 6, pressure release closed hole 9 beginning pressure releases on the damping tray 4, pressure release sealing in the pressure release closed hole 9 is comprised of the first sealing the 9.1, second sealing the 9.2 and the 3rd sealing 9.3, the pressure release type sealing mechanism that is made of pressure release closed hole 9 can be installed on the damping tray 4, also can be installed in the flow channel for liquids 7.
The above-described embodiment that is not limited to of the present invention, all employings are equal to replaces the technological scheme that forms, and all drops in the protection domain of requirement of the present invention.
Claims (6)
1. Anti-leakage type hydraulic pressure auxiliary damper, the hydraulic pressure housing that comprises an end opening, the opening end sealing of described housing is provided with elasticity oil removal cover, the middle part of described elasticity oil removal cover is equipped with piston rod, described piston rod bottom is provided with damping tray, described oil removal cover bottom forms the first sap cavity with described damping tray, described damping tray bottom forms the second sap cavity with described housing, described damping tray edge and described housing sidewall Spielpassung also form the hydraulic pressure runner that is communicated with the first sap cavity and the second sap cavity, it is characterized in that: offer side oiling duct in the described housing the other end wallboard, described side oiling duct is mainly by the first paragraph oiling duct that is communicated with described the second sap cavity from housing the other end wallboard middle part with by extending and the second segment oiling duct that communicates with described hydraulic case external body consists of in first paragraph oiling duct; It is stepped that the section in housing the other end wallboard sidepiece and described second segment oiling duct is located in the outlet in described second segment oiling duct, is provided with the sealing screw rod in it.
2. described Anti-leakage type hydraulic pressure auxiliary damper according to claim 1 is characterized in that: the section in described second segment oiling duct is that the taper that ecto-entad shrinks gradually is stepped, and described sealing screw rod is the cone seal bar, and described side oiling duct is L shaped.
3. described Anti-leakage type hydraulic pressure auxiliary damper according to claim 2, it is characterized in that: described cone seal screw rod comprises cone seal leading portion and O-ring seals stage casing.
4. described Anti-leakage type hydraulic pressure auxiliary damper according to claim 1 is characterized in that: offer the pressure release closed hole on the described damping tray.
5. described Anti-leakage type hydraulic pressure auxiliary damper according to claim 1 is characterized in that: in the described hydraulic pressure runner pressure release sealing mechanism is installed.
6. described Anti-leakage type hydraulic pressure auxiliary damper according to claim 1, it is characterized in that: described side oiling duct also comprises the 3rd section oiling duct, described first, second, and third section oiling duct is crossed as Y shape, and described housing the other end wallboard sidepiece is located in the outlet in described the 3rd section oiling duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104041340A CN103075457A (en) | 2012-10-23 | 2012-10-23 | Leak-proof hydraulic auxiliary shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104041340A CN103075457A (en) | 2012-10-23 | 2012-10-23 | Leak-proof hydraulic auxiliary shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103075457A true CN103075457A (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104041340A Pending CN103075457A (en) | 2012-10-23 | 2012-10-23 | Leak-proof hydraulic auxiliary shock absorber |
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| CN (1) | CN103075457A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824811A (en) * | 2024-03-06 | 2024-04-05 | 中国空气动力研究与发展中心高速空气动力研究所 | Damping device based on hydraulic throttling principle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1263407B (en) * | 1966-03-30 | 1968-03-14 | Siegfried Haenchen | Hydraulic buffer |
| CN2174590Y (en) * | 1993-07-05 | 1994-08-17 | 王杰 | Unidirectional hydraulic damper |
| CN2332704Y (en) * | 1998-06-28 | 1999-08-11 | 刘连忠 | Automotive double-cylinder hydraulic jack |
| CN2580206Y (en) * | 2002-09-06 | 2003-10-15 | 张小虎 | Closed hydraulic damper |
| CN101149087A (en) * | 2007-11-07 | 2008-03-26 | 中国科学院光电研究院 | Liquid base damper |
| JP2008095953A (en) * | 2006-09-14 | 2008-04-24 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN201277299Y (en) * | 2008-10-17 | 2009-07-22 | 常州慧阳科技发展有限公司 | Damping unloading valve of vibration damper |
| US7628259B2 (en) * | 2004-11-08 | 2009-12-08 | Thyssenkrupp Bilstein Of America, Inc. | Fluid flow regulation of a vehicle shock absorber/damper |
| CN201818696U (en) * | 2010-10-28 | 2011-05-04 | 广州大学 | Single piston rod viscous damper capable of setting initial stiffness |
| CN202176818U (en) * | 2011-07-08 | 2012-03-28 | 北汽福田汽车股份有限公司 | Choke plug component and pneumatic pipeline system comprising the same |
| CN202867685U (en) * | 2012-10-23 | 2013-04-10 | 镇江铁科橡塑制品有限公司 | Leakage-proof hydraulic auxiliary shock absorber |
-
2012
- 2012-10-23 CN CN2012104041340A patent/CN103075457A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1263407B (en) * | 1966-03-30 | 1968-03-14 | Siegfried Haenchen | Hydraulic buffer |
| CN2174590Y (en) * | 1993-07-05 | 1994-08-17 | 王杰 | Unidirectional hydraulic damper |
| CN2332704Y (en) * | 1998-06-28 | 1999-08-11 | 刘连忠 | Automotive double-cylinder hydraulic jack |
| CN2580206Y (en) * | 2002-09-06 | 2003-10-15 | 张小虎 | Closed hydraulic damper |
| US7628259B2 (en) * | 2004-11-08 | 2009-12-08 | Thyssenkrupp Bilstein Of America, Inc. | Fluid flow regulation of a vehicle shock absorber/damper |
| JP2008095953A (en) * | 2006-09-14 | 2008-04-24 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN101149087A (en) * | 2007-11-07 | 2008-03-26 | 中国科学院光电研究院 | Liquid base damper |
| CN201277299Y (en) * | 2008-10-17 | 2009-07-22 | 常州慧阳科技发展有限公司 | Damping unloading valve of vibration damper |
| CN201818696U (en) * | 2010-10-28 | 2011-05-04 | 广州大学 | Single piston rod viscous damper capable of setting initial stiffness |
| CN202176818U (en) * | 2011-07-08 | 2012-03-28 | 北汽福田汽车股份有限公司 | Choke plug component and pneumatic pipeline system comprising the same |
| CN202867685U (en) * | 2012-10-23 | 2013-04-10 | 镇江铁科橡塑制品有限公司 | Leakage-proof hydraulic auxiliary shock absorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824811A (en) * | 2024-03-06 | 2024-04-05 | 中国空气动力研究与发展中心高速空气动力研究所 | Damping device based on hydraulic throttling principle |
| CN117824811B (en) * | 2024-03-06 | 2024-05-03 | 中国空气动力研究与发展中心高速空气动力研究所 | Damping device based on hydraulic throttling principle |
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Application publication date: 20130501 |