CN109334369B - Air bag type rotary air spring - Google Patents
Air bag type rotary air spring Download PDFInfo
- Publication number
- CN109334369B CN109334369B CN201811328511.0A CN201811328511A CN109334369B CN 109334369 B CN109334369 B CN 109334369B CN 201811328511 A CN201811328511 A CN 201811328511A CN 109334369 B CN109334369 B CN 109334369B
- Authority
- CN
- China
- Prior art keywords
- shell
- inner shell
- outer shell
- air bag
- connecting shaft
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/07—Off-road vehicles
Abstract
The invention discloses a gasbag type rotary air spring, which comprises: an inner shell, an outer shell and a rubber air bag; in four fan-shaped columnar spaces formed by the outer shell shifting piece and the inner shell shifting piece, fan-shaped rubber air bags are respectively arranged in two opposite fan-shaped columnar spaces; the inner shell connecting flange and the outer shell connecting flange are respectively connected with an external workpiece, when the inner shell and the outer shell are driven to rotate relatively, the compressed rubber air bag provides torsional elastic force, and the size of the elastic force is related to the relative rotation angle of the inner shell and the outer shell. The invention adopts the mutual occlusion of metal shells, two shells which rotate relatively are respectively connected with an external workpiece to be connected and are used for transmitting torque, and the arrangement form of the plectrum transferring force and compressing the rubber air bag can provide torsional elasticity; the fan-shaped prefabricated folded air bag is adopted, so that the rubber air bag can be correctly compressed in the fan-shaped shell; the invention adopts the mutually meshed metal shells, can support the air bag and play a role in protection.
Description
Technical Field
The invention belongs to the technical field of air spring systems applied to heavy-load cross-country vehicles, and relates to an air bag type rotary air spring, in particular to an elastic element which does not move linearly.
Background
Air springs generally fall into two categories: the rubber air bag type and cylinder type have the advantages of good elastic property, capability of actively adjusting air pressure and the like, and part of the air spring combines the air bag and the metal cylinder barrel together. All the existing patents take linear reciprocating motion as basic working characteristics, and provide elastic force under the condition of linear reciprocating motion. The air spring is suitable for the working condition of linear reciprocating motion, but if the air spring is in a rotating situation, other mechanical parts are required to be connected to convert the motion mode.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the rotary air spring has a simple structure, is light and reliable, and can generate an effect similar to a torsion bar spring in various occasions including heavy-duty vehicles.
(II) technical scheme
In order to solve the above technical problem, the present invention provides an air bag type rotary air spring, including: an inner shell 1, an outer shell 2 and a rubber air bag 3; the outer shell 2 comprises a connecting shaft 9, a circular outer shell inner support plate 6, a circular outer shell outer support plate 7 and an outer shell connecting flange 8, wherein the circular outer shell inner support plate 6 and the circular outer shell outer support plate 7 are arranged at two ends of the connecting shaft 9, the outer shell connecting flange 8 is positioned outside the outer shell outer support plate 7 and connected with the connecting shaft 9, two coplanar outer shell shifting pieces are arranged on the connecting shaft 9, and the two outer shell shifting pieces are perpendicular to the outer shell inner support plate 6 and the outer shell outer support plate 7; the inner shell 1 comprises an inner shell body 11, an inner shell connecting flange 13 and connecting rods 14, wherein the inner shell body 11 is a cylindrical barrel, two inner shell shifting pieces are arranged in the inner shell body along the radial direction, the two inner shell shifting pieces are coplanar, the gaps at two opposite sides of the two inner shell shifting pieces are larger than the diameter of the connecting shaft 9, the inner shell body 11 is positioned between an outer shell inner supporting plate 6 and an outer shell outer supporting plate 7, the connecting shaft 9 penetrates through the gap between the two inner shell shifting pieces, the outer wall of the inner shell body 11 is connected with the connecting rods 14, the connecting rods 14 are connected with the inner shell connecting flange 13, and the inner shell connecting flange 13 is positioned outside the outer shell inner supporting plate 6; fan-shaped rubber air bags 3 are respectively arranged in two opposite fan-shaped columnar spaces formed by the outer shell shifting sheet and the inner shell shifting sheet; the inner shell connecting flange 13 and the outer shell connecting flange 8 are respectively connected with an external workpiece, when the inner shell 1 and the outer shell 2 are driven to rotate relatively, the compressed rubber air bag provides torsional elastic force, and the size of the elastic force is related to the relative rotation angle of the inner shell 1 and the outer shell 2.
(III) advantageous effects
The technical scheme provides the spring which generates elastic force during relative rotation, and the spring can be applied to occasions needing elasticity between relative rotation workpieces, so that the complexity of the system is reduced.
Drawings
FIG. 1 is a cross-sectional view of the assembly;
FIG. 2 is a longitudinal cross-sectional view of FIG. 1;
FIG. 3 is a sectional view of the outer housing structure;
FIG. 4 is a sectional view of the inner housing construction; wherein, the II picture is a left view of the I picture;
FIG. 5 is a view showing the outline of a rubber bladder;
FIG. 6 is an external view of the assembly.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 6, the air bag type rotary air spring of the present invention includes: an inner shell 1, an outer shell 2 and a rubber air bag 3; the outer shell 2 comprises a connecting shaft 9, a circular outer shell inner support plate 6, a circular outer shell outer support plate 7 and an outer shell connecting flange 8, wherein the circular outer shell inner support plate 6 and the circular outer shell outer support plate 7 are arranged at two ends of the connecting shaft 9, the outer shell connecting flange 8 is positioned outside the outer shell outer support plate 7 and connected with the connecting shaft 9, two coplanar outer shell shifting pieces are arranged on the connecting shaft 9, and the two outer shell shifting pieces are perpendicular to the outer shell inner support plate 6 and the outer shell outer support plate 7; the inner shell 1 comprises an inner shell body 11, an inner shell connecting flange 13 and connecting rods 14, wherein the inner shell body 11 is a cylindrical barrel, two inner shell shifting pieces are arranged in the inner shell body along the radial direction, the two inner shell shifting pieces are coplanar, the gaps at two opposite sides of the two inner shell shifting pieces are larger than the diameter of the connecting shaft 9, the inner shell body 11 is positioned between an outer shell inner supporting plate 6 and an outer shell outer supporting plate 7, the connecting shaft 9 penetrates through the gap between the two inner shell shifting pieces, the outer wall of the inner shell body 11 is connected with the connecting rods 14, the connecting rods 14 are connected with the inner shell connecting flange 13, and the inner shell connecting flange 13 is positioned outside the outer shell inner supporting plate 6; fan-shaped rubber air bags 3 are respectively arranged in two opposite fan-shaped columnar spaces formed by the outer shell shifting sheet and the inner shell shifting sheet; the inner shell connecting flange 13 and the outer shell connecting flange 8 are respectively connected with an external workpiece, when the inner shell 1 and the outer shell 2 are driven to rotate relatively, the compressed rubber air bag provides torsional elastic force, and the size of the elastic force is related to the relative rotation angle of the inner shell 1 and the outer shell 2.
In the outer shell 2, an inner support plate 6 is arranged at one end of a connecting shaft 9, the inner support plate and the connecting shaft are matched through a rectangular key, a limiting table is arranged on the connecting shaft 9 for positioning, and the inner support plate and the connecting shaft are fastened in a gluing mode, a welding mode or a bolt connection mode after installation; the shell outer support plate 7 is arranged at the other end of the connecting shaft 9, the shell outer support plate and the connecting shaft are matched through a rectangular key, and a limiting table is arranged on the connecting shaft 9 for positioning; the connecting flange 8 is arranged on the outer side of the outer support plate 7 of the shell and is sleeved on the connecting shaft 9 through spline fit, the end face of the other end of the connecting shaft 9 is provided with a pressing plate, and the pressing plate is fixed on the connecting shaft 9 through a mounting bolt 10 and tightly presses the connecting flange 8.
The edges of the inner support plate 6 and the outer support plate 7 of the shell are provided with peripheral protective edges of vertical support plates, and the inner shell body 11 is limited in the peripheral protective edges; the inner wall of the peripheral protective edge is provided with a guide belt 4 for supporting, guiding and lubricating. The two ends of the inner shell body 11 are also provided with guide belts, so that the inner shell 1 and the outer shell 2 are supported, guided and lubricated through the guide belts.
The outer part of the peripheral protective edge is provided with a dustproof sealing ring 12 to prevent dust from entering the inner part.
The rubber air bag 3 can be of an integral structure which can not adjust air pressure, and can also be of an inflatable type, an opening is formed in the side wall of the inner shell body 11, and an inflating valve is installed to inflate and deflate the rubber air bag 3.
According to the figure 5, the rubber air bag 3 is in a fan shape with prefabricated folds, the fold direction is perpendicular to the compression direction, the interior of the rubber air bag is filled with air, when the air is compressed, the rubber outer wall of the air bag is folded along the folds, and the specific number of the folds depends on the size requirement of the air spring. The rubber bladder 3 has a steel cord inside to provide the bladder support straps with a pleated appearance, similar to an accordion shape, so that the bladder walls can be folded in the correct state when the air inside the bladder is compressed.
In addition, the end part side wall of the outer shell plectrum is also provided with a rubber stopper which is positioned in the fan-shaped cylindrical space without the rubber air bag 3, so that the inner shell 1 and the outer shell 2 can be correctly limited when the negative stroke is finished.
The technology of the invention has the following characteristics: the metal shells are mutually occluded, the two shells which rotate relatively are respectively connected with an external workpiece to be connected and are used for transmitting torque, and the rubber air bag is compressed by the force transmission of the shifting piece, so that torsional elasticity can be provided; the fan-shaped prefabricated folded air bag is adopted, so that the rubber air bag can be correctly compressed in the fan-shaped shell; the invention adopts the mutually meshed metal shells, can support the air bag and play a role in protection.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A bladder type rotary air spring, comprising: an inner shell (1), an outer shell (2) and a rubber air bag (3); the outer shell (2) comprises a connecting shaft (9), circular outer shell inner supporting plates (6) arranged at two ends of the connecting shaft (9), circular outer shell outer supporting plates (7) and an outer shell connecting flange (8) which is positioned outside the outer shell outer supporting plates (7) and connected with the connecting shaft (9), wherein two coplanar outer shell shifting sheets are arranged on the connecting shaft (9), and the two outer shell shifting sheets are perpendicular to the outer shell inner supporting plates (6) and the outer shell outer supporting plates (7); the inner shell (1) comprises an inner shell body (11), an inner shell connecting flange (13) and connecting rods (14), the inner shell body (11) is a cylindrical barrel, two inner shell shifting pieces are arranged in the inner shell body along the radial direction, gaps of two coplanar and opposite sides of the two inner shell shifting pieces are larger than the diameter of the connecting shaft (9), the inner shell body (11) is positioned between an outer shell inner supporting plate (6) and an outer shell outer supporting plate (7), the connecting shaft (9) penetrates through the gap between the two inner shell shifting pieces, the outer wall of the inner shell body (11) is connected with the connecting rods (14), the connecting rods (14) are connected with the inner shell connecting flange (13), and the inner shell connecting flange (13) is positioned outside the outer shell inner supporting plate (6); fan-shaped rubber air bags (3) are respectively arranged in four fan-shaped cylindrical spaces formed by the outer shell shifting sheet and the inner shell shifting sheet and in two opposite fan-shaped cylindrical spaces; the inner shell connecting flange (13) and the outer shell connecting flange (8) are respectively connected with an external workpiece, when the inner shell (1) and the outer shell (2) are driven to rotate relatively, torsion elastic force is provided through the compressed rubber air bag, and the size of the elastic force is related to the relative rotation angle of the inner shell (1) and the outer shell (2).
2. A rotary air spring with air bags according to claim 1, wherein the inner support plate (6) of the outer housing is mounted at one end of the connecting shaft (9) and is matched with the connecting shaft (9) through a rectangular key, a limiting table is arranged on the connecting shaft (9) for positioning, and the inner support plate is fastened through gluing, welding or bolt connection after being mounted.
3. A rotary air spring with air bags according to claim 2, characterized in that the outer support plate (7) of the outer housing is mounted at the other end of the connecting shaft (9) and is matched with the other end of the connecting shaft (9) through a rectangular key, a limiting table is arranged on the connecting shaft (9) for positioning, and the outer housing is fastened by gluing, welding or bolt connection after mounting.
4. A rotary air spring with air bags according to claim 3, wherein the outer housing connecting flange (8) is mounted on the outer side of the outer housing supporting plate (7) and is sleeved on the connecting shaft (9) through spline fit, a pressing plate is arranged on the other end face of the connecting shaft (9), and the pressing plate is fixed on the connecting shaft (9) through a mounting bolt (10) and presses the outer housing connecting flange (8).
5. A rotary air spring with air bags according to claim 4, characterized in that the edges of the inner support plate (6) of the outer shell and the outer support plate (7) of the outer shell are provided with outer protective edges perpendicular to the support plates, and the inner shell body (11) is limited inside the outer protective edges.
6. A rotary air spring with air bags according to claim 5, characterized in that the inner wall of the outer peripheral bead is provided with a guide belt (4), and the two ends of the inner housing body (11) are also provided with guide belts, so that the inner housing (1) and the outer housing (2) are supported, guided and lubricated through the guide belts.
7. Airbag rotary air spring according to claim 6, characterized in that the outer peripheral bead is provided externally with a dust sealing ring (12).
8. A bladder-type rotary air spring according to claim 1, wherein said rubber bladder (3) is of an overall non-adjustable air pressure construction, or is an inflatable bladder; when the rubber air bag (3) is an inflatable air bag, an opening is formed in the side wall of the inner shell body (11), and an inflating valve is installed to inflate and deflate the rubber air bag (3).
9. Air-bag type rotary air spring according to claim 8, wherein the rubber air bag (3) has a fan shape with a pre-formed wrinkle, the direction of the wrinkle is perpendicular to the compression direction, the interior is filled with air, and when the air is compressed, the rubber outer wall of the air bag is folded along the wrinkle; the rubber air bag (3) is internally provided with a steel cord which folds the air bag supporting belt.
10. A rotary air spring of air bag type according to claim 1, wherein a rubber stopper is further installed on the end side wall of the outer housing pick-up, the rubber stopper is located in a fan-shaped cylindrical space where the rubber air bag (3) is not installed, and the inner housing (1) and the outer housing (2) are stopped by the rubber stopper at the end of the negative stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328511.0A CN109334369B (en) | 2018-11-09 | 2018-11-09 | Air bag type rotary air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328511.0A CN109334369B (en) | 2018-11-09 | 2018-11-09 | Air bag type rotary air spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334369A CN109334369A (en) | 2019-02-15 |
| CN109334369B true CN109334369B (en) | 2022-02-11 |
Family
ID=65314611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811328511.0A Active CN109334369B (en) | 2018-11-09 | 2018-11-09 | Air bag type rotary air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109334369B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6328324B1 (en) * | 1999-12-10 | 2001-12-11 | Trailair, Inc. | Air ride suspension system |
| CN2480185Y (en) * | 2001-06-18 | 2002-03-06 | 安徽星马汽车股份有限公司 | Non-independent self-steering suspension with air spring |
| JP2006112535A (en) * | 2004-10-15 | 2006-04-27 | Nec Facilities Ltd | Active attitude control method and its device |
| EP1707408A1 (en) * | 2005-04-01 | 2006-10-04 | HMT Vehicles Limited | Vehicle suspension systems |
| CN1936358A (en) * | 2005-09-20 | 2007-03-28 | 东洋橡胶工业株式会社 | Rubber made canister and manufacture method of the same |
| CN101663500A (en) * | 2007-04-07 | 2010-03-03 | 约恩有限公司 | Elastomer metal element for an elastomer metal bearing, particularly as a bearing connection between a dome module and a vehicle |
| CN202418389U (en) * | 2012-02-21 | 2012-09-05 | 喜临门家具股份有限公司 | Stacking type air pressure spring with air bags |
| CN103477112A (en) * | 2011-04-06 | 2013-12-25 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Air spring having hybrid bellows |
| CN103534509A (en) * | 2011-05-17 | 2014-01-22 | 纳幕尔杜邦公司 | Jounce bumper |
| CN105339697A (en) * | 2013-06-20 | 2016-02-17 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Air spring |
| CN205168095U (en) * | 2015-12-11 | 2016-04-20 | 陕西重型汽车有限公司 | Gasbag safety cover |
| CN206468445U (en) * | 2017-02-13 | 2017-09-05 | 焦长玉 | Automobile oil to gas decompression explosion-proof equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202756518U (en) * | 2012-08-20 | 2013-02-27 | 北京理工大学 | MacPherson type air spring shock absorber |
| CN106799946B (en) * | 2015-11-26 | 2019-12-10 | 比亚迪股份有限公司 | suspension lifting adjusting device |
-
2018
- 2018-11-09 CN CN201811328511.0A patent/CN109334369B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6328324B1 (en) * | 1999-12-10 | 2001-12-11 | Trailair, Inc. | Air ride suspension system |
| CN2480185Y (en) * | 2001-06-18 | 2002-03-06 | 安徽星马汽车股份有限公司 | Non-independent self-steering suspension with air spring |
| JP2006112535A (en) * | 2004-10-15 | 2006-04-27 | Nec Facilities Ltd | Active attitude control method and its device |
| EP1707408A1 (en) * | 2005-04-01 | 2006-10-04 | HMT Vehicles Limited | Vehicle suspension systems |
| CN1936358A (en) * | 2005-09-20 | 2007-03-28 | 东洋橡胶工业株式会社 | Rubber made canister and manufacture method of the same |
| CN101663500A (en) * | 2007-04-07 | 2010-03-03 | 约恩有限公司 | Elastomer metal element for an elastomer metal bearing, particularly as a bearing connection between a dome module and a vehicle |
| CN103477112A (en) * | 2011-04-06 | 2013-12-25 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Air spring having hybrid bellows |
| CN103534509A (en) * | 2011-05-17 | 2014-01-22 | 纳幕尔杜邦公司 | Jounce bumper |
| CN202418389U (en) * | 2012-02-21 | 2012-09-05 | 喜临门家具股份有限公司 | Stacking type air pressure spring with air bags |
| CN105339697A (en) * | 2013-06-20 | 2016-02-17 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Air spring |
| CN205168095U (en) * | 2015-12-11 | 2016-04-20 | 陕西重型汽车有限公司 | Gasbag safety cover |
| CN206468445U (en) * | 2017-02-13 | 2017-09-05 | 焦长玉 | Automobile oil to gas decompression explosion-proof equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109334369A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106662187B (en) | Bracket and carriage assembly and end component assembly, and gas spring and damper assembly including these components | |
| US5649809A (en) | Crankshaft and piston rod connection for a double diaphragm pump | |
| GB2087512A (en) | Combined fluid damper and elastomeric spring unit | |
| CN112177899A (en) | Air compressor machine with damping mechanism that makes an uproar falls | |
| US20190024649A1 (en) | Plastic air pump movement | |
| GB2087511A (en) | Self-leveling fluid damped elastomeric spring unit | |
| CN109334369B (en) | Air bag type rotary air spring | |
| US20060231360A1 (en) | Pneumatic shock absorber with an ancillary air chamber | |
| JP2003503645A (en) | Dual curved air spring | |
| US6585239B2 (en) | Compensation of transverse forces in pneumatic spring struts | |
| CN112727993A (en) | Air spring shock absorber with sealing diaphragm | |
| CN209581505U (en) | Anticollision side buffer | |
| JPH06510252A (en) | Tire pressure adjustment device | |
| GB2047344A (en) | Actuator assembly for rotary valve | |
| CN112664506B (en) | Hydraulic oil cylinder | |
| CN105431648A (en) | A clutch plate | |
| CN212928613U (en) | Automobile rubber damping sleeve | |
| CN211059267U (en) | Efficient and dustproof automobile spiral spring shock absorber | |
| CN108533758A (en) | It is a kind of can inflation/deflation double-layer sealing structure and gas spring | |
| CN217623825U (en) | Multi-stage flexible-type wall-climbing robot mechanism with curvature adaptability | |
| CN108361173B (en) | A kind of novel pump installation | |
| CN207657544U (en) | A kind of motor spring device | |
| CN100451378C (en) | Airbag of oil pressure vibration damper in use for track locomotive and vehicles | |
| CN216970468U (en) | Hydraulic cylinder's strorage device with dustproof construction | |
| CN217873942U (en) | Air bag type damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |