CN201137663Y - Gas-liquid interlocked load bearing shock absorber - Google Patents
Gas-liquid interlocked load bearing shock absorber Download PDFInfo
- Publication number
- CN201137663Y CN201137663Y CNU2007201967027U CN200720196702U CN201137663Y CN 201137663 Y CN201137663 Y CN 201137663Y CN U2007201967027 U CNU2007201967027 U CN U2007201967027U CN 200720196702 U CN200720196702 U CN 200720196702U CN 201137663 Y CN201137663 Y CN 201137663Y
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- cylinder
- check valve
- stationary cylinder
- telescopic cylinder
- stationary
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Abstract
The utility model relates to a pneumatic-hydraulic interlocking bearing vibration damper, which comprises a stationary cylinder and a telescoping cylinder which is connected with the stationary cylinder in sealing, and hydraulic oil is arranged in the stationary cylinder. The utility model is characterized in that the stationary cylinder is provided with a piston rod of a cavity, the telescoping cylinder is formed by the piston rod, a gasbag for holding compressed gas is arranged in the cavity of the telescoping cylinder, and the telescoping cylinder is provided with a single-way valve component for communicating a telescoping cavity and the stationary cylinder, and the single-way valve component comprises a single-way valve and a limited oil hole. The utility model has the advantages of little occupation area, low production cost and low noise, which can be widely applied in the occasions such as vehicle shock absorbing and vibration damping and the like.
Description
Technical field
The utility model relates to a kind of vehicle damping device (also claiming shock absorbing apparatus), a kind of gas-liquid interlock load-bearing vibration damper of more specifically saying so.
Background technique
At present known, in vehicle damper, all be to use leaf spring (indivedual senior car using gases spring) to make the load-bearing shock absorber, other adds the structure of a cylinder type vibration damper, this design takes up room greatly, cost is high, noise is big, should not adjust static height.
The model utility content
The purpose of this utility model is to provide a kind of low vibration damper of little cost low noise that takes up room for overcoming the deficiencies in the prior art, and this vibration damper is the gas-liquid serial verb construction.
Technical solution of the present utility model is: a kind of gas-liquid interlock load-bearing vibration damper, comprise stationary cylinder and with the telescopic cylinder of stationary cylinder sealed attachment, be provided with hydraulic oil in the stationary cylinder, it is characterized in that: described stationary cylinder is provided with the piston rod of cavity, and described piston rod constitutes aforesaid telescopic cylinder; Be provided with the air bag that is used to hold pressurized gas in the cavity of telescopic cylinder; Telescopic cylinder is provided with the check valve assembly that is used for flexible cavity of UNICOM and stationary cylinder, and described check valve assembly comprises one-way valve and the oilhole of limiting the quantity of.
Further technical solution of the present utility model is: the inner end of described telescopic cylinder is provided with the check valve body with the cylinder body scyewed joint of stretching, and described check valve body is provided with aforesaid check valve assembly.
Further technical solution of the present utility model is: described check valve body is provided with the cavity that is used for ccontaining check valve assembly, described check valve assembly comprises the unidirectional valve seat with the check valve body scyewed joint, unidirectional valve seat is provided with a plurality of oil throughs, the center of unidirectional valve seat extension downwards is provided with a guide pillar, the guide pillar center is provided with the aforesaid oilhole of limiting the quantity of, and the outer race of guide pillar is provided with spring and aforesaid one-way valve.
Further technical solution of the present utility model is: described telescopic cylinder is provided with telescopic cylinder with sealing the guiding wear-resistant components in inner end, and the other end of telescopic cylinder is provided with the air bag valve that connects with air bag; Described stationary cylinder is provided with stationary cylinder with sealing the guiding wear-resistant components in the inner chamber outer end, the other end of stationary cylinder is provided with the hydraulic oil valve that connects with the stationary cylinder inner chamber.
Compared with prior art, the beneficial effects of the utility model are: because of the utility model because of adopting the gas-liquid serial verb construction, have the characteristics little, that cost is low, noise is low that take up room.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Figure is the sectional structure chart of the utility model gas-liquid interlock load-bearing vibration damper specific embodiment
Description of symbols
1 telescopic cylinder
11 air bags, 12 air bag valves, 13 telescopic cylinders are installed connecting hole
2 check valve assemblies
21 telescopic cylinders are with sealing guiding wear-resistant components 22 check valve body 23 one-way valves
24 unidirectional valve seat 25 springs 26 oilhole of limiting the quantity of
3 stationary cylinders
31 stationary cylinders are installed connecting hole with anti-numb assembly 32 hydraulic oil valves 33 stationary cylinders of guiding
4 pressurized gass, 5 hydraulic oil
Embodiment
In order to more fully understand technology contents of the present utility model, the technical solution of the utility model is further introduced and explanation below in conjunction with the drawings and specific embodiments.
As shown in the figure, the utility model gas-liquid interlock load-bearing vibration damper, comprise stationary cylinder 3 and with the telescopic cylinder 1 of stationary cylinder 3 sealed attachment, be provided with hydraulic oil 5 in the stationary cylinder 3, stationary cylinder is provided with the piston rod (being telescopic cylinder) of cavity, piston rod constitutes telescopic cylinder 1; Be provided with the air bag 11 that is used to hold pressurized gas in the cavity of telescopic cylinder 1; Telescopic cylinder 1 is provided with the check valve assembly 2 that is used for UNICOM's telescopic cylinder cavity and stationary cylinder, and check valve assembly comprises the one-way valve 23 and the oilhole 26 of limiting the quantity of.The inner end of telescopic cylinder 1 is provided with the check valve body 22 with the cylinder body scyewed joint of stretching, and is equiped with check valve assembly 2 on the check valve body 22.Check valve body 22 is provided with the cavity (not shown) that is used for ccontaining check valve assembly 2, check valve assembly 2 comprises the unidirectional valve seat 24 with check valve body 22 scyewed joint, unidirectional valve seat 24 is provided with a plurality of oil through (not shown)s, the center of unidirectional valve seat 24 extension downwards is provided with a guide pillar (not shown), the guide pillar center is provided with the aforesaid oilhole 26 of limiting the quantity of, and the outer race of guide pillar is provided with spring 25 and aforesaid one-way valve 23.Telescopic cylinder 1 is provided with telescopic cylinder with sealing guiding wear-resistant components 21 in inner end, and the other end of telescopic cylinder 1 is provided with the air bag valve 12 that connects with air bag 11; Stationary cylinder 3 is provided with stationary cylinder sealing guiding wear-resistant components 31 in the inner chamber outer end, and the telescopic cylinder that connects with the vehicle load-supporting part is installed connecting hole 13.The other end of stationary cylinder is provided with the hydraulic oil valve 32 that connects with the stationary cylinder inner chamber, and the stationary cylinder that connects with the vehicle load-supporting part is installed connecting hole 33.
For understand the utility model technology contents more easy-to-understandly, the utility model is further specified as follows:
1. the utility model has adopted the cylinder structure of twin-tub bicavate, and air bag is placed in the telescopic cylinder.
2. stationary cylinder and telescopic cylinder communicate by the one-way valve and the oilhole of limiting the quantity of.
3. the inert gas that adds suitable pressure by the air bag valve; Add an amount of hydraulic oil by the hydraulic oil valve.
When liquid pressure that load-bearing forms greater than air bag in during gas pressure intensity, one-way valve is opened, returning the hydraulic oil of deciding in the cylinder flows in the telescopic cylinder by the one-way valve of opening, oil cylinder shortening this moment, air bag volume-diminished pressure increase, equal gas pressure intensity until liquid pressure, hydraulic oil stops to flow, closed check valve.
5. when load-bearing reduced, the pressure of hydraulic oil reduced in the stationary cylinder, and at oil pressure less than air pressure early, the air bag volume increases, and the hydraulic oil in the telescopic cylinder flows back to stationary cylinder by the oilhole of limiting the quantity of, and the oil cylinder elongation is until new equinoctial point.
6. change air pressure or telescopic cylinder sectional area, can change static supporting power;
Change stationary cylinder and telescopic cylinder volume ratio, can change elastic curve;
Change the stationary cylinder oil mass, can change static height.
In sum, the utlity model has the characteristics little, that cost is low, noise is low that take up room.The above angle from specific embodiment discloses further to technology contents of the present utility model; its purpose is to allow everybody be easier to understand technology contents of the present utility model; but do not represent mode of execution of the present utility model and rights protection to be confined to this, rights protection scope of the present utility model should be as the criterion in claims of the present utility model.
Claims (4)
1. gas-liquid interlock load-bearing vibration damper, comprise stationary cylinder and with the telescopic cylinder of stationary cylinder sealed attachment, be provided with hydraulic oil in the stationary cylinder, it is characterized in that: described stationary cylinder is provided with the piston rod of cavity, described piston rod constitutes aforesaid telescopic cylinder; Be provided with the air bag that is used to hold pressurized gas in the cavity of telescopic cylinder; Telescopic cylinder is provided with the check valve assembly that is used for flexible cavity of UNICOM and stationary cylinder, and described check valve assembly comprises one-way valve and the oilhole of limiting the quantity of.
2. gas-liquid interlock load-bearing vibration damper according to claim 1 is characterized in that: the inner end of described telescopic cylinder is provided with the check valve body with the cylinder body scyewed joint of stretching, and described check valve body is provided with aforesaid check valve assembly.
3. gas-liquid interlock load-bearing vibration damper according to claim 2, it is characterized in that: described check valve body is provided with the cavity that is used for ccontaining check valve assembly, described check valve assembly comprises the unidirectional valve seat with the check valve body scyewed joint, unidirectional valve seat is provided with a plurality of oil throughs, the center of unidirectional valve seat extension downwards is provided with a guide pillar, the guide pillar center is provided with the aforesaid oilhole of limiting the quantity of, and the outer race of guide pillar is provided with spring and aforesaid one-way valve.
4. gas-liquid interlock load-bearing vibration damper according to claim 3 is characterized in that: described telescopic cylinder is provided with telescopic cylinder with sealing the guiding wear-resistant components in inner end, and the other end of telescopic cylinder is provided with the air bag valve that connects with air bag; Described stationary cylinder is provided with stationary cylinder with sealing the guiding wear-resistant components in the inner chamber outer end, the other end of stationary cylinder is provided with the hydraulic oil valve that connects with the stationary cylinder inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201967027U CN201137663Y (en) | 2007-12-29 | 2007-12-29 | Gas-liquid interlocked load bearing shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201967027U CN201137663Y (en) | 2007-12-29 | 2007-12-29 | Gas-liquid interlocked load bearing shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137663Y true CN201137663Y (en) | 2008-10-22 |
Family
ID=40038350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201967027U Expired - Fee Related CN201137663Y (en) | 2007-12-29 | 2007-12-29 | Gas-liquid interlocked load bearing shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137663Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132168A (en) * | 2013-05-03 | 2014-11-05 | 汉斯格罗欧洲公司 | Movement damping element, and telescoping pipeline equipped with the same |
| CN104154167A (en) * | 2014-07-04 | 2014-11-19 | 株洲时代装备技术有限责任公司 | Hydraulic damper |
| CN109808425A (en) * | 2019-01-23 | 2019-05-28 | 东风汽车集团有限公司 | It is a kind of damping and stiffness-adjustable tire |
| CN114486347A (en) * | 2020-10-28 | 2022-05-13 | 中国石油天然气股份有限公司 | Automatic layering sampling device for oil, water and gas |
-
2007
- 2007-12-29 CN CNU2007201967027U patent/CN201137663Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132168A (en) * | 2013-05-03 | 2014-11-05 | 汉斯格罗欧洲公司 | Movement damping element, and telescoping pipeline equipped with the same |
| CN104132168B (en) * | 2013-05-03 | 2018-11-16 | 汉斯格罗欧洲公司 | The telescopic pipes for moving repressor element and being equipped with it |
| CN104154167A (en) * | 2014-07-04 | 2014-11-19 | 株洲时代装备技术有限责任公司 | Hydraulic damper |
| CN109808425A (en) * | 2019-01-23 | 2019-05-28 | 东风汽车集团有限公司 | It is a kind of damping and stiffness-adjustable tire |
| CN114486347A (en) * | 2020-10-28 | 2022-05-13 | 中国石油天然气股份有限公司 | Automatic layering sampling device for oil, water and gas |
| CN114486347B (en) * | 2020-10-28 | 2024-01-30 | 中国石油天然气股份有限公司 | Automatic layering sampling device for oil, water and gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20101229 |