CN106246793A - A kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile - Google Patents
A kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile Download PDFInfo
- Publication number
- CN106246793A CN106246793A CN201610896325.1A CN201610896325A CN106246793A CN 106246793 A CN106246793 A CN 106246793A CN 201610896325 A CN201610896325 A CN 201610896325A CN 106246793 A CN106246793 A CN 106246793A
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- CN
- China
- Prior art keywords
- hydro
- power cylinder
- spring power
- pneumatic spring
- pneumatic
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile, belong to automobile technical field.Wherein, hydro-pneumatic spring power cylinder, including: cylinder body；The hollow piston rod that can move along the axis of described cylinder body in described cylinder body, described piston rod inner is provided with a receiving chamber；Being positioned at the piston-rod lower end head of described receiving chamber opening part, described piston-rod lower end head and described receiving chamber composition one are for being filled with the sealed gas chamber of compressed gas.Technical scheme can solve the problem that when jumping under wheel, wheel, to lower limiter and the shock problem of vehicle body, improves the ride comfort of vehicle.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile.
Background technology
In airtight container, it is filled with compressed gas and fluid, utilizes the compressibility of gas to realize the device of spring effect
Claim hydro-pneumatic spring.Hydro-pneumatic spring, using noble gas (such as nitrogen) as elastic fluid, with fluid as power transmission medium, not only has
There is good buffer capacity, also there is damping effect, can also adjust the height of vehicle frame simultaneously, it is adaptable to heavy vehicle and motor bus
Use.
Hydro-pneumatic spring is usually and is made up of gas spring and the power cylinder being equivalent to hydraulic shock absorber.The most conventional oil gas
Spring powered cylinder is the structure of a kind of common hydraulic damper being similar to shown in Fig. 1, and hydro-pneumatic spring only rises when jumping on wheel
Effect, for light vehicle, owing to gross mass is little, non-suspension quality is the most relatively small, so, said structure can meet to be wanted
Ask；When using on heavy vehicles, relatively big owing to bearing load, non-suspension quality is also increasing, so, when jumping under wheel,
Wheel is very big to the impact of lower limiter and vehicle body, thus reduces the ride comfort of vehicle and the life-span of suspension system.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile, it is possible to solve
When certainly jumping under wheel, wheel is to lower limiter and the shock problem of vehicle body, improves the ride comfort of vehicle.
For solving above-mentioned technical problem, embodiments of the invention provide technical scheme as follows:
On the one hand, it is provided that a kind of hydro-pneumatic spring power cylinder, including:
Cylinder body；
The hollow piston rod that can move along the axis of described cylinder body in described cylinder body, described piston rod inner is provided with one
Accommodate chamber；
Being positioned at the piston-rod lower end head of described receiving chamber opening part, described piston-rod lower end head forms one with described receiving chamber
For being filled with the sealed gas chamber of compressed gas.
Further, also include:
It is arranged on the plug screw of described receiving chamber opening part；
It is arranged on the charge valve on described plug screw.
Further, it is provided with sealing ring between the opening in described plug screw and described receiving chamber.
Further, described sealed gas chamber is additionally provided with passage.
Further, described hydro-pneumatic spring power cylinder also includes:
Sleeve, dynamic seal ring, guidance tape and sealing ring.
The embodiment of the present invention additionally provides a kind of hydro pneumatic suspension, including hydro-pneumatic spring power cylinder as above.
The embodiment of the present invention additionally provides a kind of automobile, including hydro pneumatic suspension as above.
Embodiments of the invention have the advantages that
In such scheme, increase sealed gas chamber at piston rod inner, compressed gas in sealed gas chamber, can be poured, at stretching row
Power cylinder is played cushioning effect by journey, and then avoids power cylinder by greater impact, reduce service life；Filling of sealed gas chamber
Air valve is arranged in inside power cylinder installing hole, the most additionally takes up room, and easy to operate；Airtight gas is increased inside power cylinder
Room, can alleviate power cylinder weight, contributes for car load lightweight work；For closing space between outer shell in existing structure,
Can produce obvious air pressure during compression to change, affect the power cylinder life-span, the structure of the present invention can avoid air pressure between interior outer shell
Significant change, thus extend power cylinder service life；Additionally under wheel, ricochet spring non-suspension quality reduces, and the ride comfort of vehicle carries
High.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil gas spring power cylinder in prior art；
Fig. 2 is the structural representation of embodiment of the present invention oil gas spring power cylinder.
Reference
1 piston rod；2 sealing rings；3 plug screws；4 charge valves；5 piston-rod lower end heads；6 passages；7 sleeves；8 dynamic seal rings；9
Guidance tape；10 sealing rings；11 dust covers；12 hang power cylinder；13 accumulators.
Detailed description of the invention
For making embodiments of the invention solve the technical problem that, technical scheme and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
Embodiments of the invention provide a kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile, it is possible to solve to jump under wheel
Time, wheel, to lower limiter and the shock problem of vehicle body, improves the ride comfort of vehicle.
Fig. 1 is oil gas spring power cylinder of the prior art, and wherein, 12 for hanging power cylinder, and 13 is accumulator.Interior outer shell it
Between for close space, compression time produce obvious air pressure change, affect the power cylinder life-span；Do not play buffering between interior outer shell to make
Structure, stretching travel is easily subject to greater impact, reduces service life；Additionally inner casing is solid construction, is unfavorable for
Car load lightweight.
In order to solve the problems referred to above, the embodiment of the present invention provides a kind of hydro-pneumatic spring power cylinder, as in figure 2 it is shown, include:
Cylinder body；
The hollow piston rod 1 that can move along the axis of described cylinder body in described cylinder body, described piston rod 1 is internal to be provided with
One accommodates chamber；
Being positioned at the piston-rod lower end head 5 of described receiving chamber opening part, described piston-rod lower end head 5 forms with described receiving chamber
One for being filled with the sealed gas chamber of compressed gas.
Further, hydro-pneumatic spring power cylinder also includes:
It is arranged on the plug screw 3 of described receiving chamber opening part；
It is arranged on the charge valve 4 on described plug screw 3, compressed gas can be filled with to sealed gas chamber by charge valve 4.
Further, being provided with sealing ring 2 between the opening in described plug screw 3 and described receiving chamber, sealing ring 2 ensure that
The sealing property of sealed gas chamber.
Further, described sealed gas chamber is additionally provided with passage 6.
Further, described hydro-pneumatic spring power cylinder also includes:
Sleeve 7, dynamic seal ring 8 and guidance tape 9, sealing ring 10.
In the present embodiment, increase sealed gas chamber at piston rod inner, compressed gas in sealed gas chamber, can be poured, at stretching row
Power cylinder is played cushioning effect by journey, and then avoids power cylinder by greater impact, reduce service life；Filling of sealed gas chamber
Air valve is arranged in inside power cylinder installing hole, the most additionally takes up room；Inside power cylinder, increase sealed gas chamber, can alleviate dynamic
Power cylinder weight, contributes for car load lightweight work；For closing space between outer shell in existing structure, can produce bright when compression
Aobvious air pressure changes, and affects the power cylinder life-span, and the structure of the present invention can avoid the significant change of air pressure between interior outer shell；Additionally car
The lower ricochet spring non-suspension quality of wheel reduces, and the ride comfort of vehicle improves.
The embodiment of the present invention additionally provides a kind of hydro pneumatic suspension, including hydro-pneumatic spring power cylinder as above.
The embodiment of the present invention additionally provides a kind of automobile, including hydro pneumatic suspension as above.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (7)
1. a hydro-pneumatic spring power cylinder, it is characterised in that including:
Cylinder body；
The hollow piston rod that can move along the axis of described cylinder body in described cylinder body, described piston rod inner is provided with a receiving
Chamber；
Being positioned at the piston-rod lower end head of described receiving chamber opening part, described piston-rod lower end head is used for described receiving chamber composition one
It is filled with the sealed gas chamber of compressed gas.
Hydro-pneumatic spring power cylinder the most according to claim 1, it is characterised in that also include:
It is arranged on the plug screw of described receiving chamber opening part；
It is arranged on the charge valve on described plug screw.
Hydro-pneumatic spring power cylinder the most according to claim 2, it is characterised in that described plug screw and the opening in described receiving chamber
Between be provided with sealing ring.
Hydro-pneumatic spring power cylinder the most according to claim 2, it is characterised in that described sealed gas chamber is additionally provided with ventilation
Hole.
Hydro-pneumatic spring power cylinder the most according to claim 2, it is characterised in that described hydro-pneumatic spring power cylinder also includes:
Sleeve, dynamic seal ring, guidance tape and sealing ring.
6. a hydro pneumatic suspension, it is characterised in that include the hydro-pneumatic spring power cylinder as according to any one of claim 1-5.
7. an automobile, it is characterised in that include hydro pneumatic suspension as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896325.1A CN106246793A (en) | 2016-10-14 | 2016-10-14 | A kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896325.1A CN106246793A (en) | 2016-10-14 | 2016-10-14 | A kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106246793A true CN106246793A (en) | 2016-12-21 |
Family
ID=57611571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610896325.1A Pending CN106246793A (en) | 2016-10-14 | 2016-10-14 | A kind of hydro-pneumatic spring power cylinder, hydro pneumatic suspension and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246793A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372932A (en) * | 2018-12-12 | 2019-02-22 | 四川凌峰航空液压机械有限公司 | Differential hydraulic damper |
| CN110735824A (en) * | 2019-10-25 | 2020-01-31 | 长沙理工大学 | Hydraulic cylinder of air port buffer device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3935107A1 (en) * | 1989-08-02 | 1991-04-25 | Hemscheidt Maschf Hermann | Hydropneumatic piston-cylinder unit - has cylinder with inner pipe, piston rod, separating piston, chamber pipe and control |
| US5351790A (en) * | 1991-06-20 | 1994-10-04 | Tokico Ltd. | Hydraulic suspension device for automobile |
| CN2584956Y (en) * | 2002-12-13 | 2003-11-05 | 郑州郑工机械集团有限责任公司 | Single action hydro-cylinder |
| CN2811665Y (en) * | 2005-05-26 | 2006-08-30 | 江苏大学 | Single-chamber oil-gas separation type oil-gas spring with nonlinear characteristics |
| CN103527697A (en) * | 2013-11-01 | 2014-01-22 | 武汉天捷重型装备股份有限公司 | Hydro-pneumatic spring suspension cylinder |
| CN204140745U (en) * | 2014-09-15 | 2015-02-04 | 陕西中航气弹簧有限责任公司 | Semitrailer crusherbull zone hydro-pneumatic spring |
-
2016
- 2016-10-14 CN CN201610896325.1A patent/CN106246793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3935107A1 (en) * | 1989-08-02 | 1991-04-25 | Hemscheidt Maschf Hermann | Hydropneumatic piston-cylinder unit - has cylinder with inner pipe, piston rod, separating piston, chamber pipe and control |
| US5351790A (en) * | 1991-06-20 | 1994-10-04 | Tokico Ltd. | Hydraulic suspension device for automobile |
| CN2584956Y (en) * | 2002-12-13 | 2003-11-05 | 郑州郑工机械集团有限责任公司 | Single action hydro-cylinder |
| CN2811665Y (en) * | 2005-05-26 | 2006-08-30 | 江苏大学 | Single-chamber oil-gas separation type oil-gas spring with nonlinear characteristics |
| CN103527697A (en) * | 2013-11-01 | 2014-01-22 | 武汉天捷重型装备股份有限公司 | Hydro-pneumatic spring suspension cylinder |
| CN204140745U (en) * | 2014-09-15 | 2015-02-04 | 陕西中航气弹簧有限责任公司 | Semitrailer crusherbull zone hydro-pneumatic spring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372932A (en) * | 2018-12-12 | 2019-02-22 | 四川凌峰航空液压机械有限公司 | Differential hydraulic damper |
| CN110735824A (en) * | 2019-10-25 | 2020-01-31 | 长沙理工大学 | Hydraulic cylinder of air port buffer device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |