CN103075456A - Air spring - Google Patents
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- CN103075456A CN103075456A CN2013100299269A CN201310029926A CN103075456A CN 103075456 A CN103075456 A CN 103075456A CN 2013100299269 A CN2013100299269 A CN 2013100299269A CN 201310029926 A CN201310029926 A CN 201310029926A CN 103075456 A CN103075456 A CN 103075456A
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Abstract
The present invention provides an air spring which improves buffer performance in air discharging through effectively performing elasticity of a stopper component. The air spring (1) is provided with the following components: an outer cylinder (11), a lower panel (12), a diagram (13), a rubber lower board (15), a built-in stopper component (16), and a stopper component metal part (17). A second opposing surface (12a) of the lower panel (12), which opposes the outer cylinder (11), is provided with a guiding part (12b). The guiding part (12b) is projected in the main load direction and opposes the stopper component metal part (17) in a direction that is vertical to the main load direction. At least one surface in a stopper component outer surface (17a) of the stopper component metal part (17), which opposes the guiding part (12b), and a guiding part inner surface (12c) of the guiding part (12b), which opposes the stopper component metal part (17), has reduced dynamic friction coefficient.
Description
Technical field
The present invention relates to a kind of pneumatic spring, or rather, relate to a kind of pneumatic spring that can improve by the elasticity of effective performance stop component the resiliency when exitting.
Background technique
In rail truck etc., in order to alleviate impact or the vibration that car body bears when the Vehicle Driving Cycle, between car body and bogie, dispose pneumatic spring.As pneumatic spring, with reference to Fig. 8 and Fig. 9, well-known a kind of without bolster pneumatic spring 100, it mainly has: urceolus 110; Be configured in the lower panel 120 of urceolus below; The barrier film 130 of the rubber system that disposes in the mode that connects urceolus 110 and lower panel 120; Be positioned at the stacked rubber 140 of lower panel 120 belows; And the stacked rubber lower plate 150 that is positioned at stacked rubber 140 belows.In addition, under the deflated state such as explosion state, guaranteeing the good purposes such as resiliency, also propose between urceolus and lower panel, to dispose the pneumatic spring (for example, with reference to patent documentation 1 to 8) of the stop component that is formed by rubber etc.
Patent documentation 1: TOHKEMY 2003-254378 communique
Patent documentation 2: TOHKEMY 2007-127264 communique
Patent documentation 3: TOHKEMY 2003-294073 communique
Patent documentation 4: TOHKEMY 2009-222197 communique
Patent documentation 5: TOHKEMY 2009-52604 communique
Patent documentation 6: TOHKEMY 2010-169178 communique
Patent documentation 7: TOHKEMY 2008-302902 communique
Patent documentation 8: TOHKEMY 2008-302845 communique
In the pneumatic spring that in patent documentation 1 to 8, proposes, under deflated state, the stop component metalwork that disposes contacting with the top of stop component is during at main loading direction top offset (decline), with the vertical direction of main loading direction on other structure members relative with the stop component metalwork, contact with this stop component metalwork sometimes.In the case, the stop component metalwork is subject to because of the surface friction drag that produces with contacting of other structure members, because the impact of this surface friction drag may hinder the smooth displacement of stop component metalwork on main loading direction.Thus, can not give full play to the spring constant (elasticity) that the stop component that contacts with the bottom of stop component metalwork and dispose has, there is the problem that is difficult to guarantee the good resiliency under the deflated state in its result.
Summary of the invention
The present invention In view of the foregoing proposes, and its purpose is to provide a kind of pneumatic spring that can improve by the elasticity of effectively bringing into play stop component the resiliency when exitting.
Pneumatic spring of the present invention has: the 1st supporting part; The 2nd supporting part, it disposes with the 1st supporting part devices spaced apart ground on main loading direction when observing from the 1st supporting part; The barrier film of elastically deformable, it forms enclosed space by the 1st supporting part is connected with the 2nd supporting part; The 3rd supporting part, it is configured in that side opposite with the 1st supporting part when observing from the 2nd supporting part; The stop component of elastically deformable, it is configured on the stop component supporting surface, this stop component supporting surface is some in the 1st opposing side, the 2nd opposing side or the 3rd opposing side, wherein, the 1st opposing side is the face of that side relative with the 2nd supporting part of the 1st supporting part, the 2nd opposing side is the face of that side relative with the 1st supporting part of the 2nd supporting part, and the 3rd opposing side is the face of that side relative with the 1st supporting part of the 3rd supporting part; And the 4th supporting part, it is configured in that side opposite with the 2nd stop component supporting surface side when observing from stop component.Be formed with guide portion at the 1st opposing side or the 2nd opposing side, this guide portion is protruding upward in the side along main loading direction, and is on the direction vertical with main loading direction, relative with the 4th supporting part.At least one face in the face relative with guide portion of the 4th supporting part and the face relative with the 4th supporting part of guide portion becomes the face that the coefficient of kinetic friction reduces.
In pneumatic spring of the present invention, at least one face in the face relative with guide portion of the 4th supporting part and the face relative with the 4th supporting part of guide portion becomes the face that the coefficient of kinetic friction reduces.Therefore, under deflated state, contact with guide portion and in the situation of main loading direction top offset at the 4th supporting part, so that the 4th supporting part is owing to being inhibited with surface friction drag that contacting of guide portion is subject to.Thus, compare with the situation that the coefficient of kinetic friction does not reduce, the 4th supporting part can more smoothly displacement on main loading direction.Its result can give full play to the elasticity that the stop component that disposes the 4th supporting part has.Therefore, according to pneumatic spring of the present invention, can provide a kind of pneumatic spring that can improve by the elasticity of effectively bringing into play stop component the resiliency when exitting.
In above-mentioned pneumatic spring, the 4th supporting part also can be configured to, on the direction vertical with main loading direction, with the guide portion devices spaced apart.
Thus, in the situation of main loading direction top offset, can suppress contacting of the 4th supporting part and guide portion at the 4th supporting part.Its result can make the more smoothly displacement on main loading direction of the 4th supporting part.
In above-mentioned pneumatic spring, guide portion also can in the mode relative with the outer circumferential face of the 4th supporting part, be formed on the 1st opposing side or the 2nd opposing side.Like this, in above-mentioned pneumatic spring, the resiliency in the time of can adopting more simple structure to improve venting.
Above-mentioned pneumatic spring also can also have the outside stop component of elastically deformable, and when observing from the 2nd supporting part, this outside stop component is configured in that side opposite with the 1st supporting part side.In addition, outside stop component can have a plurality of hard layers and elasitic layer are replaced stacked structure at main loading direction.The resiliency of the pneumatic spring in the time of thus, can further improving venting.
In above-mentioned pneumatic spring, stop component for example also can have the drum that is formed with hollow portion.Like this, the shape as stop component can adopt various shape.
In above-mentioned pneumatic spring, stop component also can become the state that is compressed at main loading direction.Thus, the decrement of the stop component during venting further reduces, and its result can further reduce the deflection of car body.
In above-mentioned pneumatic spring, also can be formed with curved part in the zone that comprises peripheral part of the 4th supporting part, this curved part is to protrude to the near mode of stop component supporting surface side joint.Thus, the distance of the 4th supporting part and stop component supporting surface further reduces, when venting, and the 4th supporting part and the easy butt of parts that is configured in stop component supporting surface side.Its result, the decrement of the stop component during venting further reduces, and can further reduce the deflection of car body.
In above-mentioned pneumatic spring, also can dispose smooth parts by at least one face in the face relative with the 4th supporting part of the face relative with guide portion of the 4th supporting part and guide portion.In addition, also can be formed with cover coat by at least one face in the face relative with the 4th supporting part of the face relative with guide portion of the 4th supporting part and guide portion.
Thus, contact with guide portion and in the situation of main loading direction top offset at the 4th supporting part, can more effectively suppress the surface friction drag of the 4th supporting part because being subject to contacting of guide portion.Its result can make the more smoothly displacement on main loading direction of the 4th supporting part.
In above-mentioned pneumatic spring, guide portion also can in the mode relative with the inner peripheral surface of the 4th supporting part, be formed on the 1st opposing side or the 2nd opposing side.More particularly, also can form the hollow portion that is surrounded by inner peripheral surface at the 4th supporting part, guide portion is by being formed in this hollow portion and relative with inner peripheral surface.In addition, also can make stop component have the drum that is formed with hollow portion, guide portion forms the hollow portion that is positioned at stop component.By adopting above-mentioned structure, the situation than form guide portion in the mode relative with the outer circumferential face of the 4th supporting part can make the structure of pneumatic spring compacter.
In above-mentioned pneumatic spring, also can make stop component become the state that is compressed at main loading direction.Thus, the decrement of the stop component during venting further reduces, and its result can further reduce the deflection of car body.
In above-mentioned pneumatic spring, also can dispose smooth parts by at least one face in the face relative with the 4th supporting part of the face relative with guide portion of the 4th supporting part and guide portion.Thus, contact with guide portion and in the situation of main loading direction top offset at the 4th supporting part, can more effectively suppress the surface friction drag of the 4th supporting part because being subject to contacting of guide portion.Its result can make the more smoothly displacement on main loading direction of the 4th supporting part.
The effect of invention
As shown in the above description, according to pneumatic spring of the present invention, can provide a kind of can be by effectively bringing into play the elasticity of stop component, thereby the pneumatic spring of the resiliency when improving venting.
Description of drawings
Fig. 1 is the general profile chart of the structure of expression pneumatic spring.
Fig. 2 is the general profile chart for the action of explanation pneumatic spring.
Fig. 3 is the general profile chart of the structure of expression pneumatic spring.
Fig. 4 is the general profile chart of the structure of expression pneumatic spring.
Fig. 5 is the general profile chart of structure of the pneumatic spring of expression mode of execution 2.
Fig. 6 is the general profile chart of the structure of expression pneumatic spring.
Fig. 7 is the general profile chart of the structure of expression pneumatic spring.
Fig. 8 is the general profile chart of the structure of the existing pneumatic spring of expression.
Fig. 9 is the general profile chart of the structure of the existing pneumatic spring of expression.
The explanation of label
1,2,3,4 pneumatic springs
11,31,41 urceolus
11a car body side coupling piece
11b, 15b O type ring
12,22,32,42 lower panels
12a, 22a the 2nd opposing side
12b, 22b, 31e guide portion
12c guide portion internal surface
13 barrier films
14 outside stop components
The 14a hard layer
The 14b elasitic layer
15,45 rubber lower plates
15a bogie side coupling piece
15b O type ring
The 15c supporting surface
16,26,36,46 built-in stop components
17,27 stop components
17a stop component outer surface
17b, 27b curved part
The smooth parts of 17c, 12d
22c guide portion outer surface
26a, 27c hollow portion
27a stop component internal surface
31c the 1st opposing side
45c the 3rd opposing side
Embodiment
Below, based on accompanying drawing, embodiments of the present invention are described.In addition, in the accompanying drawing below, for the identical or suitable identical Ref. No. of part mark, and the description thereof will be omitted.
(mode of execution 1)
At first, the mode of execution 1 as an embodiment of the invention is described.At first, the structure of the pneumatic spring 1 of present embodiment described.With reference to Fig. 1, pneumatic spring 1 mainly has: as the urceolus 11 of the 1st supporting part, as the 2nd supporting part lower panel 12, barrier film 13, outside stop component 14, as the 3rd supporting part rubber lower plate 15, built-in stop component 16 and as the stop component 17 of the 4th supporting part.
In the zone that comprises axis (central shaft) P of urceolus 11, be formed with along axis P and the car body side coupling piece 11a that protrudes to opposite with lower panel 12 sides that side.Peripheral part at car body side coupling piece 11a is equipped with O type ring 11b.Urceolus 11 is connected with car body side (not shown) via car body side coupling piece 11a.
Rubber lower plate 15 disposes in the mode with urceolus 11 and lower panel 12 total axis P, and when observing from lower panel 12, it is configured in that side opposite with urceolus 11, specifically, is configured in the below of outside stop component 14.Near the axis P of rubber lower plate 15, be formed with bogie side coupling piece 15a, it protrudes to that side opposite with outside stop component 14 sides along axis P.That is, in rubber lower plate 15 bogie side coupling piece 15a as minor diameter part is installed, this bogie side coupling piece 15a axle and protruding centered by axis P.Peripheral part at bogie side coupling piece 15a is equipped with O type ring 15b.Rubber lower plate 15 is connected with bogie (not shown) side via bogie side coupling piece 15a.And pneumatic spring 1 supports car body (not shown) with respect to bogie (not shown) on the supporting surface 15c of rubber lower plate 15.
The 2nd opposing side 12a(stop component supporting surface relative with urceolus 11 that built-in stop component 16 is configured in lower panel 12) on.Built-in stop component 16 for example has the drum centered by axis P.In addition, be formed with hollow portion in the zone that comprises axis P of built-in stop component 16.Built-in stop component 16 is such as being formed by rubber of bulk etc., thereby can resiliently deformable.The spring constant of built-in stop component 16 does not limit especially, compares with the spring constant of outside stop component 14, can be larger, and also can be less or identical.
In addition, stop component 17 is configured to, and is on the direction vertical with main loading direction, relative, that is, upwards overlapping the party with guide portion 12b on being formed on the 2nd opposing side 12a.More particularly, stop component outer surface 17a forms on the direction vertical with main loading direction relative with guide portion internal surface 12c, and these two faces are parallel to each other on main loading direction, wherein, stop component outer surface 17a is the outer circumferential face relative with guide portion 12b of stop component 17, and guide portion internal surface 12c is the inner peripheral surface relative with stop component 17 of guide portion 12b.In addition, at least one face among stop component outer surface 17a and the guide portion internal surface 12c, that is, two faces or a face among stop component outer surface 17a and the guide portion internal surface 12c are such as being formed with cover coat etc. and become the face that the coefficient of kinetic friction reduces.Here, the face that the so-called coefficient of kinetic friction reduces refers to such as compare zone that surface roughness further reduces etc. with other zone.
Next, the action of the pneumatic spring 1 of present embodiment described.With reference to Fig. 1, in the enclosed space S of the inboard that is formed at barrier film 13, keeping under the inflated condition of authorized pressure, the impact or the vibration that when Vehicle Driving Cycle, apply from bogie (not shown) side, the resiliently deformable by barrier film 13 obtains relaxing.On the other hand, with reference to Fig. 2, under the state of the pressure decreased in enclosed space S, be under the deflated state at the explosion state for example, urceolus 11 descends to lower panel 12 sides, and urceolus 11 and stop component 17 become the state of butt.And urceolus 11 further descends, and with the stop component 17 of urceolus 11 butts, owing to the load (impacting or vibration) that is subject to from substantially horizontal, thereby contacts decline on one side on one side with guide portion 12b.Thus, be configured in the built-in stop component 16 of stop component 17 belows, the compressed amount corresponding with its spring constant.At this, in pneumatic spring 1, two faces or a face among stop component outer surface 17a and the guide portion internal surface 12c become the face that the coefficient of kinetic friction reduces.Therefore, as mentioned above, Yi Bian contact with guide portion 12b when descending at stop component 17, can suppress the surface friction drag of stop component 17 by being subject to contacting of guide portion 12b on one side.
As mentioned above, in the pneumatic spring 1 of present embodiment, at least one face among stop component outer surface 17a and the guide portion internal surface 12c is formed with cover coat etc. and becomes the face that the coefficient of kinetic friction reduces.Therefore, the situation of for example car body rolling (rolling) like this, pneumatic spring is being applied inhomogeneous load (from the load of the direction different from main loading direction), make stop component 17 contact one side on one side with guide portion 12b in the situation of main loading direction top offset (decline), can suppress the surface friction drag of stop component 17 because being subject to contacting of guide portion 12b.Thus, compare with the undiminished situation of the coefficient of kinetic friction of stop component outer surface 17a or guide portion internal surface 12c, stop component 17 can more smoothly displacement on main loading direction.Its result can bring into play the elasticity (spring constant) that the built-in stop component 16 that disposes contiguously with stop component 17 has fully.Therefore, according to the pneumatic spring 1 of present embodiment, the resiliency in the time of can improving by the elasticity of effectively bringing into play stop component venting.
In addition, shown in pneumatic spring 1, stop component 17 also can be on the direction vertical with main loading direction, and with respect to the configuration of guide portion 12b devices spaced apart ground, but pneumatic spring of the present invention is not limited thereto.That is, stop component 17 also can be configured to stop component outer surface 17a and contacts with the guide portion internal surface 12c of guide portion 12b.In addition, shown in pneumatic spring 1, by stop component 17 is disposed with respect to guide portion 12b devices spaced apart ground, in the situation of main loading direction top offset, can suppress contacting of stop component 17 and guide portion 12b at stop component 17.Its result can make stop component 17 more smoothly displacement on main loading direction.
In addition, with reference to Fig. 3, in pneumatic spring 1, also can form curved part 17b in the zone that comprises peripheral part of stop component 17, this curved part 17b is to protrude to the near mode of the 2nd opposing side 12a side joint that disposes built-in stop component 16.The curved part 17b that in the case, also can make stop component 17 with the vertical direction of main loading direction on relative with guide portion 12b.In addition, curved part 17b also can form in the mode of protruding along guide portion 12b.
In addition, with reference to Fig. 4, in pneumatic spring 1, the face relative with stop component 17 that also can be at the face relative with guide portion 12b of stop component 17 stop component outer surface 17a and guide portion 12b is at least one face of guide portion internal surface 12c, namely, on two faces in stop component outer surface 17a and guide portion internal surface 12c or the face, dispose the smooth parts 17c, the 12d that are formed by low-friction material.More particularly, also can dispose at least one party of stop component 17 and guide portion 12b smooth parts 17c, 12d, make the surface of this smooth parts 17c, 12d form the face that the coefficient of kinetic friction reduces.Thus, contact one side on one side with guide portion 12b in the situation of main loading direction top offset at stop component 17, can more effectively suppress the surface friction drag of stop component 17 by being subject to contacting of guide portion 12b.Its result can make stop component 17 more smoothly displacement on main loading direction.
In addition, outside stop component 14 is not the necessary structure of pneumatic spring of the present invention, but by this outside stop component 14 is set, the resiliency in the time of can further improving venting.In addition, outside stop component 14 also can have a plurality of hard layer 14a and elasitic layer 14b at the main loading direction folded structure in stratum alternately, but is not limited thereto.Namely, as long as outside stop component 14 elastically deformables, for example, also can have following structure, that is, dispose the elasitic layer (not shown) that the rubber by bulk forms at the peripheral part of stop component supporting part (not shown), wherein, this stop component supporting part has hollow portion in the zone that comprises axis P, and this elasitic layer has the conical surface centered by axis P.In addition, for example also can have following structure, that is, at the peripheral part of this stop component supporting part, that a plurality of hard layers and elasitic layer are alternately laminated according to the mode that forms the conical surface centered by axis P.In addition, such as also being formed by rubber of bulk etc.
In addition, in pneumatic spring 1, built-in stop component 16 also can be formed by the rubber of bulk, but is not limited thereto.That is, as long as built-in stop component 16 elastically deformables, for example, also can have following structure, that is, have a plurality of hard layers that formed by metal etc. and reach the elasitic layer that is formed by rubber etc., and make hard layer and elasitic layer alternately stacked on main loading direction.In addition, for example also can have following structure, namely, dispose the elasitic layer (not shown) that the rubber by bulk forms at the peripheral part of supporting part (not shown), wherein, this supporting part has hollow portion in the zone that comprises axis P, and this elasitic layer has the conical surface centered by axis P.In addition, for example also can have following structure, that is, at the peripheral part of this supporting part, that a plurality of hard layers and elasitic layer are alternately laminated according to the mode that forms the conical surface centered by axis P.
In addition, in pneumatic spring 1, stop component 17 also can dispose the mode of the state that built-in stop component 16 is compressed at main loading direction in advance to keep.
(mode of execution 2)
Next, the mode of execution 2 as another embodiment of the present invention is described.The pneumatic spring 2 of present embodiment has basically the structure identical with the pneumatic spring 1 of above-mentioned mode of execution 1, and realizes same effect.Yet, the pneumatic spring 2 of present embodiment, about the structure of stop component and guide portion, different from the pneumatic spring 1 of described mode of execution 1.
With reference to Fig. 5, in pneumatic spring 2, with pneumatic spring 1 similarly, be formed with guide portion 22b on the 2nd opposing side 22a relative with urceolus 21 of plate 22 below, this guide portion 22b is protruding upward in the side along main loading direction, and is on the direction vertical with main loading direction, relative with stop component 27.At this, in the present embodiment, guide portion 22b is formed on the 2nd opposing side 22a in the mode relative with the inner peripheral surface of stop component 27.
Structure to pneumatic spring 2 illustrates in further detail, in the zone that comprises axis P of stop component 27, is formed with the hollow portion 27c that is surrounded by stop component internal surface 27a.And guide portion 22b is positioned at this hollow portion 27c and relative with stop component internal surface 27a by forming.In addition, built-in stop component 26 has the drum that is formed with hollow portion 26a, and guide portion 22b forms and is positioned at this hollow portion 26a.In addition, with above-mentioned mode of execution 1 similarly, also can be at least one face of the guide portion outer surface 22c relative with stop component 27 of the stop component internal surface 27a relative with guide portion 22b of stop component 27 and guide portion 22b, be formed with cover coat, in addition, also can dispose smooth parts 27d, 22d.
As mentioned above, in the pneumatic spring 2 of present embodiment, be formed on the 2nd opposing side 22a on this point in the mode relative with the inner peripheral surface of stop component 27 at guide portion 22b, its structure is different from the pneumatic spring 1 of mode of execution 1, in addition, with pneumatic spring 1 similarly, guide portion 22b and stop component 27 on the direction vertical with main loading direction toward each other, in addition, at least one face of stop component internal surface 27a and guide portion outer surface 22c is the face that the coefficient of kinetic friction reduces.Therefore, according to the pneumatic spring 2 of present embodiment, with the pneumatic spring 1 of mode of execution 1 similarly, the resiliency in the time of can improving by the elasticity of effectively bringing into play stop component venting.
In addition, in above-mentioned mode of execution 1 and 2, the situation that built-in stop component 16,26 is configured on the 2nd opposing side 12a, the 22a is illustrated, but pneumatic spring of the present invention is not limited thereto.That is, as shown in Figure 6, pneumatic spring of the present invention also can be the i.e. pneumatic spring 3 on the 1st opposing side 31c of the face relative with lower panel 32 that built-in stop component 36 is configured in urceolus 31.In pneumatic spring 3, the face relative with lower panel 32 that guide portion 31e is formed on urceolus 31 is namely on the 1st opposing side 31c.In addition, as shown in Figure 7, pneumatic spring of the present invention also can be the i.e. pneumatic spring 4 on the 3rd opposing side 45c of the face relative with urceolus 41 that built-in stop component 46 is configured in rubber lower plate 45.In pneumatic spring 4, configuration is so that built-in stop component 46 is positioned at the upside of lower panel 42 at main loading direction.
Should think that this disclosed mode of execution all is illustration, be not restricted record.Scope of the present invention is not limited to above-mentioned explanation, but by shown in claims, comprises the content that is equal to claims and whole changes in the scope thereof.
Industrial applicibility
Pneumatic spring of the present invention is for requiring by effectively bringing into play the elasticity of stop component, thereby the pneumatic spring of the resiliency when improving venting is effective especially.
Claims (16)
1. pneumatic spring, it has:
The 1st supporting part;
The 2nd supporting part, it disposes with described the 1st supporting part devices spaced apart ground on main loading direction when observing from described the 1st supporting part;
The barrier film of elastically deformable, its by will described the 1st supporting part be connected the connection of the 2nd supporting part and form enclosed space;
The 3rd supporting part, it is configured in that side opposite with described the 1st supporting part when observing from described the 2nd supporting part;
The stop component of elastically deformable, it is configured on the stop component supporting surface, this stop component supporting surface is some in the 1st opposing side, the 2nd opposing side or the 3rd opposing side, wherein, the 1st opposing side is the face of that side relative with described the 2nd supporting part of described the 1st supporting part, the 2nd opposing side is the face of that side relative with described the 1st supporting part of described the 2nd supporting part, and the 3rd opposing side is the face of that side relative with described the 1st supporting part of described the 3rd supporting part; And
The 4th supporting part, it is configured in that side opposite with described stop component supporting surface side when observing from described stop component,
Be formed with guide portion at described the 1st opposing side or described the 2nd opposing side, this guide portion is protruding upward in the side along described main loading direction, and is relative with described the 4th supporting part on the direction vertical with described main loading direction,
At least one face in the face relative with described the 4th supporting part of the face relative with described guide portion of described the 4th supporting part and described guide portion becomes the face that the coefficient of kinetic friction reduces.
2. pneumatic spring according to claim 1, wherein,
Described the 4th supporting part is on the direction vertical with described main loading direction, with the ground configuration of described guide portion devices spaced apart.
3. pneumatic spring according to claim 1 and 2, wherein,
Described guide portion is formed on described the 1st opposing side or described the 2nd opposing side in the mode relative with the outer circumferential face of described the 4th supporting part.
4. pneumatic spring according to claim 3, wherein,
This pneumatic spring also has the outside stop component of elastically deformable, and it is configured in that side opposite with described the 1st supporting part side when observing from described the 2nd supporting part.
5. pneumatic spring according to claim 4, wherein,
Described outside stop component has a plurality of hard layers and elasitic layer is replaced stacked structure at described main loading direction.
6. pneumatic spring according to claim 3, wherein,
Described stop component has the drum that is formed with hollow portion.
7. pneumatic spring according to claim 3, wherein,
Described stop component becomes the state that is compressed at described main loading direction.
8. pneumatic spring according to claim 3, wherein,
On the zone that comprises peripheral part of described the 4th supporting part, be formed with the curved part that protrudes with to the near mode of described stop component supporting surface side joint.
9. pneumatic spring according to claim 3, wherein,
At least one face in relative with described guide portion described and the described guide portion of described the 4th supporting part relative with described the 4th supporting part described disposes smooth parts.
10. pneumatic spring according to claim 3, wherein,
At least one face in relative with described guide portion described and the described guide portion of described the 4th supporting part relative with described the 4th supporting part described is formed with cover coat.
11. pneumatic spring according to claim 1 and 2, wherein,
Described guide portion is formed on described the 1st opposing side or described the 2nd opposing side in the mode relative with the inner peripheral surface of described the 4th supporting part.
12. pneumatic spring according to claim 11, wherein,
Be formed with the hollow portion that is surrounded by described inner peripheral surface at described the 4th supporting part,
Described guide portion is by being formed in the described hollow portion and relative with described inner peripheral surface.
13. pneumatic spring according to claim 11, wherein,
Described stop component has the drum that is formed with hollow portion,
Described guide portion forms, and is positioned at the described hollow portion of described stop component.
14. pneumatic spring according to claim 11, wherein,
Described stop component becomes the state that is compressed at described main loading direction.
15. pneumatic spring according to claim 11, wherein,
At least one face in relative with described guide portion described and the described guide portion of described the 4th supporting part relative with described the 4th supporting part described disposes smooth parts.
16. pneumatic spring according to claim 1 and 2, wherein,
At least one face in relative with described guide portion described and the described guide portion of described the 4th supporting part relative with described the 4th supporting part described disposes smooth parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012089369A JP5884612B2 (en) | 2012-04-10 | 2012-04-10 | Air spring |
| JP2012-089369 | 2012-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075456A true CN103075456A (en) | 2013-05-01 |
| CN103075456B CN103075456B (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310029926.9A Active CN103075456B (en) | 2012-04-10 | 2013-01-25 | Air spring |
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| Country | Link |
|---|---|
| JP (1) | JP5884612B2 (en) |
| CN (1) | CN103075456B (en) |
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| CN103821868A (en) * | 2014-03-13 | 2014-05-28 | 吉林大学 | Damper with two-way throttle valves and air spring |
| CN105736626A (en) * | 2014-12-26 | 2016-07-06 | 东洋橡胶工业株式会社 | Air spring |
| CN106989132A (en) * | 2016-01-20 | 2017-07-28 | 威巴克商用车辆气动弹簧有限责任公司 | Air spring |
| CN107429783A (en) * | 2015-03-20 | 2017-12-01 | 奥依列斯工业株式会社 | Shock insulation support meanss |
| CN107830105A (en) * | 2017-10-27 | 2018-03-23 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type air spring assembly |
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
| CN111284519A (en) * | 2020-03-13 | 2020-06-16 | 中车株洲电力机车有限公司 | Railway vehicle bogie |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103821868A (en) * | 2014-03-13 | 2014-05-28 | 吉林大学 | Damper with two-way throttle valves and air spring |
| CN103821868B (en) * | 2014-03-13 | 2015-09-23 | 吉林大学 | There is the vibration damper of bilateral throttle valve and pneumatic spring |
| CN105736626A (en) * | 2014-12-26 | 2016-07-06 | 东洋橡胶工业株式会社 | Air spring |
| CN105736626B (en) * | 2014-12-26 | 2018-04-03 | 东洋橡胶工业株式会社 | Air spring |
| CN107429783A (en) * | 2015-03-20 | 2017-12-01 | 奥依列斯工业株式会社 | Shock insulation support meanss |
| CN106989132A (en) * | 2016-01-20 | 2017-07-28 | 威巴克商用车辆气动弹簧有限责任公司 | Air spring |
| CN107830105A (en) * | 2017-10-27 | 2018-03-23 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type air spring assembly |
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
| CN110195758B (en) * | 2019-06-19 | 2021-03-19 | 中车青岛四方车辆研究所有限公司 | Air spring and vehicle |
| CN111284519A (en) * | 2020-03-13 | 2020-06-16 | 中车株洲电力机车有限公司 | Railway vehicle bogie |
| CN111284519B (en) * | 2020-03-13 | 2021-02-05 | 中车株洲电力机车有限公司 | Railway vehicle bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5884612B2 (en) | 2016-03-15 |
| JP2013217460A (en) | 2013-10-24 |
| CN103075456B (en) | 2014-12-24 |
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