CN105736626A - Air spring - Google Patents
Air spring Download PDFInfo
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- CN105736626A CN105736626A CN201510888621.2A CN201510888621A CN105736626A CN 105736626 A CN105736626 A CN 105736626A CN 201510888621 A CN201510888621 A CN 201510888621A CN 105736626 A CN105736626 A CN 105736626A
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- support portion
- internal detents
- air spring
- pressing piece
- detents
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Abstract
The purpose of the invention is to restart the research of a structure which can maintain an inner brake for emergency to be at a pre-condensed state, and provides an air spring which can achieve minimization of a structure configured by an engaging unit, or improve simplification of the assembling of the engaging unit. The invention relates to an air spring which is provided with an upper support part on a vehicle body side, a lower support part on a chassis side, and an insulating film made of rubber, wherein the lower support part is provided with an inner brake made of rubber, and the upper support part abuts against the inner brake upon air discharging of the insulating film. An upper side of the inner brake is provided with a pressing piece and an engaging unit so as to an upper gap and a lower gap of the lower support part and the pressing piece to maintain at a value which is sufficient to resist elasticity of the inner brake and is less than an upper width and a lower width of the inner brake. The engaging unit is configured to receive inner side of an outer contour when viewed in an upper and lower direction.
Description
Technical field
The present invention relates to a kind of air spring being suitable as in rail truck etc. and being used in the unit of chassis by vehicle suspension, in detail, relate to a kind of upper support portion, lower support portion being configured at the chassis side of the lower section of described upper support portion possessing body side and be arranged on the air spring of barrier film (diaphragm) of the elastomeric material overall to lower support portion from upper support portion.
Background technology
When air spring is used as draft hitch, it is necessary to consider the barrier film countermeasure when exitting (deflate) in advance.Such as, the air spring of rail truck is equipped with urgent internal detents (stopper), even if making it when barrier film is exitted because of some reason barrier film, also at least can continue reluctantly to travel or feasible sail to garage to repair on the same day.For guaranteeing shock-absorbing capacity, this internal detents generally adopts the material of the elastomeric material being made up of rubber etc..
In conventional air spring, as disclosed in Patent Document 1: configure the internal detents (internal detents rubber: 10) of elastomeric material in the following side of upper support portion, and with when barrier film (corrugated tube: 3) is exitted, the mode that this internal detents abuts with lower support portion (lower panel: 2) and supports is constituted.In addition, following structure is adopted: clamped by the movable platen 9 being provided in the downside of internal detents and fixing structure with multiple bolts, thus maintaining its pre-compressed state to be compressed to a certain degree in the vertical direction in order to obtain the service load of big internal detents.
It addition, adopt following structure in patent documentation 2, i.e. the internal detents (elastic: a) of elastomeric material is placed in lower support portion, and on when barrier film 3 is exitted, support portion 1 abuts with internal detents.This patent documentation 2 have employed such as lower unit: make the friction top 5 being configured on the upside of internal detents resist the elasticity of internal detents and force downwards mobile, and maintain make friction top 5 and bottom pedestal 4 between the upper and lower every the unit of the state of the width up and down less than internal detents, maintain the card stop element of its pre-compressed state by internal detents.
This card stop element, is constituted by multiple bolts 13 being erected at friction top 5 and bottom pedestal 4 and nut are arranged in the outer circumferential side configuration of friction top 5.
Prior art literature:
Patent documentation
Patent documentation 1: Japanese Laid-Open 2009-222197 publication
Patent documentation 2: Japanese Laid-Open 2011-020585 publication
Summary of the invention
The problem that invention to solve
In any one conventional air spring aforesaid, as follows for the structure of the card stop element of its pre-compressed state maintaining internal detents to compress to a certain degree；By the board member bolt of major diameter being fixed the many places of its peripheral part, thus maintain the state compressing internal detents.
In the card stop element of this structure, have the clamping by bolt and to carry out the precommpression of internal detents and the advantage of the installation maintained under its its pre-compressed state simultaneously, but need to carry out tightening operation by while being controlled as the order by correct rule that a pair is repeatedly performed assembling etc. using point symmetry bolt opposite one another in multiple bolts, thus operating pretty troublesome.Additionally, there are the tendency that number of components also increases.
And, at diameter more than for the position of internal detents configures the structure of bolt, space required for having card stop element becomes big tendency, there is also the shortcoming that the configuration structure on periphery brings many impacts.
It addition, for the board member of major diameter, although want to increase thickness from intensity viewpoint, but from the viewpoint of its can hinder lightness also can not ether thick, therefore, there is also the one side that the intensity occurring warpage along with bolt clamping is unstable.
In view of above-mentioned practical situation, it is an object of the invention to, restudying to maintain makes promptly by the structure of the precompressed state of internal detents, thus provides a kind of air spring made moderate progress in realizing the assembling simplification of miniaturized structure that card stop element configures or card stop element.
The method solving problem
The air spring of the invention of the first embodiment, it possesses: the upper support portion 1 of body side；The lower support portion 2 of chassis side, it is configured at the lower section of described upper support portion；And the barrier film 3 of elastomeric material, it is arranged on the entirety from described upper support portion 1 to described lower support portion 2, wherein:
The support portion 2 of any one in support portion 1 and described lower support portion 2 arranges the internal detents c of elastomeric material on described, along with described upper support portion 1 and described lower support portion 2 carry out being relatively close to movement with ormal weight in the vertical direction, another support portion 1 any in described upper support portion 1 and described lower support portion 2 is constituted with the described internal detents c state abutted against
The existence side of support portion 2 of one and opposition side configuration pressing piece 18 at described internal detents c；Card stop element 22 is set so that the support portion 2 of one and described pressing piece 18 maintain the elasticity resisting described internal detents c and the value of the h of width up and down less than described internal detents c between the upper and lower every H；And it is equipped with in the way of inside the outer contour y of the described internal detents c that described card stop element 22 is in time being contained in above-below direction and to see.
The invention of the second embodiment is the air spring according to the first embodiment, wherein:
It is equipped with precommpression mechanism d, its for by the support portion 2 of the h boil down to one of width up and down of described internal detents c and described pressing piece 18 between the upper and lower every H, and inside the described outer contour y that described precommpression mechanism d is in time being contained in above-below direction and to see in the way of be equipped with.
The invention of the 3rd embodiment is the air spring according to the first embodiment or the second embodiment, wherein:
Described card stop element 22 has the bolt 17 and nut 19 of crossing over the support portion 2 of one and described pressing piece 18 and arrange.
The invention of the 4th embodiment is to the air spring according to any one of the 3rd embodiment according to the first embodiment one, wherein:
Described card stop element 22 is equipped with one when above-below direction is seen at the central part of described internal detents c.
The invention of the 5th embodiment is the air spring according to the 3rd embodiment, it is characterised in that:
Being equipped with rotation preventive mechanism e, it is for stoping described pressing piece 18 and described internal detents c's to rotate against movement.
The invention of the 6th embodiment is to the air spring according to any one of the 5th embodiment according to the first embodiment, wherein:
Described pressing piece 18 is provided with peripheral part 18a, is embedded in the upper end of described internal detents c outside described peripheral part 18a and forms sleeve joint (spigotjoint) portion 20.
The effect of invention
Invention according to the first embodiment, card stop element owing to internal detents can maintain its pre-compressed state is contained in inside the outer contour of the internal detents when above-below direction is seen, therefore with footpath arranged outside based on multiple bolts, the card stop element of nut existing unit compared with, can reasonably increase the size (diameter) of the plan view shape of internal detents, such that it is able to reasonably make the design freedom of the spring constant of increase or reduction internal detents increase.
Its result, maintain, to by urgent internal detents, the structure that its pre-compressed state is relevant by restudying, the miniaturization of the structure that can realize configuration card stop element can be provided, and improve and internal detents can be made when not changing configuration space to maximize, maybe can make the air spring of the set point increase etc. of the spring constant of internal detents.
Invention according to the second embodiment, makes the precompressed precommpression mechanism of internal detents owing to being also equipped with, and therefore need not prepare the special compression unit beyond air spring, convenient and operability excellence.It is additionally, since this precommpression mechanism to be also housed by inside the outer contour of internal detents when above-below direction is seen, therefore, it is possible to the described action effect that the structure maintaining the first embodiment plays, is also preferred in this.
Invention according to the 3rd embodiment, owing to card stop element is made up of screw bolt and nut, therefore, it can the tightening operation by nutting resist the elasticity of internal detents and reduce the support portion of and pressing piece between the upper and lower every, i.e., it is possible to double as the precommpression mechanism of compression internal detents.Its result, is designed by the setting of the inexpensive unit based on screw bolt and nut, it is provided that a kind of possess the air spring that can double as precommpression mechanism and more reasonably card stop element.
Invention according to the 4th embodiment, owing to card stop element is equipped with one at the central part of internal detents, therefore only just can simply and advantageously make locking cell operation by the operation at this place.Additionally, due to card stop element acts on the center of internal detents, therefore the minimum number of card stop element is one, a part of different situation of decrement of internal detents seldom occurs such that it is able to maintain uniform compressive state, thus be excellent.
Invention according to the 5th embodiment, if by the screw bolt and nut constituting card stop element, rotates nut to fastening direction, then pressing piece and internal detents carry out, by its moment of torsion, slide (slip), thus there is the risk that cannot fasten.But, by equipping rotation preventive mechanism, it is possible to what stop pressing piece and internal detents rotates against movement, can the advantage of positively fastening nut thus existing.
Invention according to the 6th embodiment, owing to adopting, the outer structure of sleeve junction surface and pressing piece and internal detents upper end is set, when therefore producing cross force when barrier film is exitted when upper support portion and internal detents abut against,, thus there is the advantage preventing from producing unfavorable condition because of pressing piece and internal detents friction in upper support portion and pressing piece friction.
Accompanying drawing explanation
Fig. 1 is the sectional view of the structure illustrating air spring.
Fig. 2 indicates that the axonometric chart of a part of otch of the internal detents of the air spring of Fig. 1.
Fig. 3 is the top view of the major part of the configuration structure illustrating internal detents part.
Fig. 4 (a) indicates that the sectional view of the internal detents major part under free state, and Fig. 4 (b) indicates that the sectional view of the internal detents major part under the state after compression.
Fig. 5 (a) is the sectional view of the air spring major part of the internal detents illustrating other structures, and Fig. 5 (b) is the sectional view of the major part of the card stop element illustrating other structures.
Fig. 6 is the sectional view of the major part of the card stop element illustrating other structures.
Description of reference numerals
Support portion on 1
2 lower support portions
3 barrier films
17 bolts
18 pressing pieces
18a peripheral part
19 nuts
20 sleeve junction surfaces
22 card stop elements
The support portion that H is mono-and pressing piece between the upper and lower every
C internal detents
D precommpression mechanism
E rotation preventive mechanism
The width up and down of H internal detents
The outer contour of Y internal detents
Detailed description of the invention
Hereinafter, for the embodiment of the air spring according to the present invention, with reference to accompanying drawing, the air spring as applicable rail truck is illustrated.
The air spring A of rail truck shown in Fig. 1.This air spring A is, air spring portion a, internal detents c, external actuators (elastomeric spring mechanism) b are constituted so that this order is equipped with from top to bottom.Air spring portion a has: upper support portion 1, and it is arranged on the vehicle body (omitting diagram) of rail truck and rounded when above-below direction is seen；Pedestal (base) portion (example in lower support portion) 2, it is arranged in the lower section of support portion；And the barrier film 3 that the rubber (example of elastomeric material) such as CR or NR is made, it is arranged on overall from upper support portion 1 to base portion 2.
Upper support portion 1 has: first and second supporting seat 1a, 1b of upper and lower two, and it is rounded and for steel plate system when above-below direction is seen；Having the end cylinder portion 1c without lid, it is fixed on below these first and second supporting seats and is steel plate system；Fulcrum 1d, it has the axle center P up and down being fixed on whole described three first and second supporting seat 1a, 1b, cylinder portion 11c；The ring-type upper bracket 1e of rubber, it is at the radial outside of cylinder portion 1c, and forms one in the following side of first and second supporting seat 1a, 1b；Deng.It is formed through upper and lower centre bore 1f at fulcrum 1d.
Upper bracket 1e is formed with film like at the outer peripheral face of cylinder portion 1c, and inner side is formed with heavy wall shape below first, second supporting seat 1a, 1b, and upper bracket 1e is formed as the closer to the more thickening downwards shape of radial outside (substantially fall bowl shape).Below cylinder portion 1c, the circular plate-like slide component 4 of stainless steel material forms one by bonding etc..
As shown in Figure 1, 2, base portion 2 includes the center plectane 2B of the flange plate 2A of the radial outside of ring-type and the radially inner side of step circular plate shape.Center plectane 2B peripheral part is loaded on the inner peripheral portion of flange plate 2A, and makes flange plate 2A and center plectane 2B form one by bolt, being screwed of nut 33, thus constituting base portion 2.
Center plectane 2B is the parts of substantially deep plate-like, and it possesses: for loading the base plate 10 of internal detents c；Peripheral part 11, it is placed in the inner peripheral portion of flange plate 2A in the position of a step higher than base plate 10 with embedded state；And periphery wall portion 12, it erects from the most peripheral of peripheral part 11.
Be formed with a place or many places through hole 14 at the side of sidewall portion 13 for connecting bottom board portion 10 and peripheral part 11, described through hole 14 is for connecting the inner space of elastomer 5 and the inner space of barrier film 3.
Barrier film 3 has: upper tyre bead (bead) portion 3a, it is entrenched in, with the form of press-in, the upper corner portion formed by the second supporting seat 1b and cylinder portion 1c；Plectane top 3b, it is stopped by upper bracket 1e with larger area；The main part 3c stretched out the most in the horizontal；And lower tyre bead (bead) portion 3d, it is entrenched in base portion 2.In this wise, barrier film 3, as the relation of the tire of automobile and wheel, is formed as the not chimeric structure being arranged on both upper support portion 1 and base portion 2 with connecting structures such as bolts, namely has the air spring portion a of so-called " automatic sealing barrier film ".
Lower bead part 3d is fitted together to the position being equipped in circumferential groove channel-shaped, and the position of described circumferential groove channel-shaped is formed by the peripheral part being placed in flange plate 2A the draw-barring (attachmentring) 23 and the flange shape periphery wall portion 12 that are supported by it.As it is shown in figure 1, draw-barring 23 by the circumferential support plectane 24 of the stamping steel plate of downside and is formed at the upside shape all-in-one-piece ring-shaped rubber 25 of circumferential support plectane 24 by sulfuration adhesion etc..The inner peripheral portion of support board 24 is formed as entering part to pierce the downside in the periphery wall portion 12 of center plectane 2B.
When above-below direction is seen by external actuators b, elastomer 5 of installing in the form of a ring is got involved and is arranged on the lower pedestal portion 6 of chassis side and constitutes to the entirety of the base portion 2 being arranged in above lower pedestal portion 6.Lower pedestal portion 6 possesses the central tube axle portion 6a with axle center P and the plectane portion 6b as the part being placed in chassis, and lower pedestal portion 6 is formed as circular when above-below direction is seen.
Elastomer 5 is configured to, metal three hard plates 8 and upper and lower four layers of rubber layer 7 the laminated latex structure being laminated alternately up and down, and elastomer 5 is got involved and is arranged on plectane portion 6b and flange plate 2A in-between.Each hard plate 8, plectane portion 6b and flange plate 2A and each rubber layer 7 form one by sulfuration adhesion.
As shown in Figure 1, 2, internal detents c has the upper lower installation board 15,16 formed by steel plate etc. and gets involved the tubular rubber 9 in-between being arranged on upper lower installation board 15,16, and it is placed in center plectane 2B.And, it is provided with this internal detents c is placed in center plectane 2B the precommpression mechanism d supported in the state to a certain degree that is compressed to in-between.
The external diameter of upper lower installation board 15,16 can be mutually different, and the external diameter of upper lower installation board 15,16 is less times greater than the external diameter of tubular rubber 9, and the internal diameter of tubular rubber 9 is less times greater than the internal diameter of upper lower installation board 15,16.
Internal detents c is, when exitting being extracted out the air of barrier film 3 of piercing through or take care of for a long time etc., replaces barrier film 3 to play the temporary structure of elastic reaction, and will not be used when barrier film 3 plays spring effect usual normally.
When venting, upper support portion 1 declines, and plate-like slide component 4 and slide plate 21 abut against, thus being formed as load to act on the state of internal detents c.In this condition, suspension effect is played by both internal detents c and elastomeric spring mechanism b.Time common, play suspension effect by both air spring portion a and elastomeric spring mechanism b.
Precommpression mechanism d has card stop element 22 and constitutes, and described card stop element 22 has: shaft-like bolt 17, and it is arranged on the center of pressing piece 18 of tabular；And nut 19, it can be screwed and run through the center of center plectane 2B and shaft-like bolt 17 prominent downwards.The central part of this card stop element 22 internal detents c when above-below direction is seen is equipped with one.On pressing piece 18, it is equipped with the slide plate 21 formed by low-friction materials such as fluororesin by modes such as bondings.That is, constitute in the air spring A shown in Fig. 1 and have " card stop element 22=precommpression mechanism d ".
Pressing piece 18 has fitted in upper mounting plate 15 the peripheral part 18a forming sleeve junction surface 20, and chimeric shaft-like bolt 17 and by weld formed one.The internal thread part 17a installing suspension hook for screw thread it is formed with in the upper end of shaft-like bolt 17.
Namely, the structure of precommpression mechanism d is, by nut 19 being screwed in the shaft-like bolt 17 of the state of inleakage brake c and center plectane 2B from top to bottom and fastening, it is possible in the structure compressing internal detents c in-between of pressing piece 18 and center plectane 2B.
Namely, structure is, as in support portion 1 and base portion 2 base portion 2 of the support portion of any one the internal detents c of elastomeric material is set, and along with upper support portion 1 and base portion 2 carry out being relatively close to movement with ormal weight in the vertical direction, as the arbitrarily upper support portion 1 of another support portion and internal detents c in upper support portion 1 and base portion 2, abut against via plate-like slide component 4, slide plate 21 and pressing piece 18.
And, as shown in Fig. 3, Fig. 4 (a), Fig. 4 (b), by the value by the h of width up and down of the internal detents c under H is set smaller than free state between the upper and lower of base portion 2 and pressing piece 18, thus arranging the internal detents c precommpression mechanism d being compressed with ormal weight.For this precommpression mechanism d, by being constituted being equipped with in the way of the inner side of the outer contour y of the described card stop element 22 internal detents c in time being contained in above-below direction and to see, wherein said card stop element 22 is for resisting the elasticity of internal detents c and limiting base portion 2 and pressing piece 18 separation in the vertical direction.
Owing to maintaining, every H, the inner side that the card stop element 22 of value of the h of width up and down less than internal detents c is arranged in the outer contour y of internal detents c between the upper and lower by what make base portion 2 and pressing piece 18, therefore, using tubular rubber 9 (internal detents c) as the diameter close to side of sidewall portion 13 internal diameter, can reasonably area increased than ever, the spring constant set point that also can make internal detents c is wider.
Additionally, following very reasonably unit can be realized, namely, by only rotating the operation that the nut 19 being centrally located is this simple and man-hour is few, the card stop element 22 that can allow to maintain internal detents c its pre-compressed state works, thus not only convenient, it is also possible to make also to work precompressed for internal detents c precommpression mechanism d simultaneously.
When barrier film is exitted, the relatively transverse slip that the upper support portion 1 lowered and internal detents c can deal with plate-like slide component 4 and slide plate 21 abuts against and carries out, by the sleeve junction surface 20 existed, there is not relatively transverse deviation in pressing piece 18 and upper mounting plate 15.That is, the position not being preferably performed relative movement is set as not relatively transverse movement, carries out lateral run-out as the position of premise carrying out relatively transverse deviation, so carries out desired activity, performance or excellent in te pins of durability.
It addition, as shown in Fig. 4 (a), be equipped with the rotation preventive mechanism e rotating against movement for stoping pressing piece 18 and internal detents c.As an example, rotation preventive mechanism e includes: implant the pin 26 being arranged at upper mounting plate 15 with projected state upward；With the hole 27 embedding this pin 26 formed at pressing piece 18.
In order to make precommpression mechanism d work, if being screwed by nut 19 in shaft-like bolt 17 bottom and rotating along fastening direction, then pressing piece 18 and upper mounting plate 15 are slided by this moment of torsion, thus there is the risk that cannot fasten.But, there is following advantage: by equipping rotation preventive mechanism e, it is possible to what stop pressing piece 18 and upper mounting plate 15 (internal detents c) rotates against movement, thus can positively fastening nut 19.
(other embodiments)
(1) as shown in Fig. 5 (a), precommpression mechanism d (card stop element 22) preferably has the structure of stair-stepping shaft-like bolt 17, and the axle portion 17A diameter of described shaft-like bolt 17 is slightly larger than the top ends 17B with threaded portion.That is, using as axle portion 17A, pressing piece 18 with the axle minister degree f of the length of lower part, what be set as with the internal detents c after compression is equal every H between the upper and lower.
According to this structure, can provide only by fastening direction nutting 19 until being in cascaded surface 17b and the center plectane 2B clamped condition abutted of ring-type, it is possible to compress internal detents c with ormal weight and the precommpression mechanism d and card stop element 22 that maintain this state can be engaged.
(2) as shown in Fig. 5 (b), air spring A can be the structure of the internal detents c with laminated latex structure.That is, internal detents c installs two rank tubular rubber 9,9 and the middle hard plate 28 that formed by steel plate etc. by alternately getting involved between upper lower installation board 15,16 and constitutes.Other are identical with the air spring A according to embodiment 1.
Additionally, tubular rubber 9 can also as the internal detents c of the laminated latex structure with more than three layers (middle hard plate 28 is two or more).
(3) precommpression mechanism d can be the structure possessing aforementioned two types shaft-like bolt 17 more than two and nut 19.For example, it may be arrange the structure of two groups with 180 degree of intervals around the P of axle center or arrange the structure of three groups with 120 degree of intervals.
Additionally, although the diagram of eliminating, it may also be the card stop element 22 of following structure or precommpression mechanism d, such as, one or more groups is had bolt and the nut of bolt head (valve snail stricture of vagina etc.) in the thickness range being contained in pressing piece 18, in the way of being contained in the inner side of the outer contour y of internal detents c, is equipped to up/down perforation state.
(4) can also be as shown in Figure 6 possess using the top ends of aforementioned shaft-like bolt 17 as assembly axis portion 17C locking axle 17 card stop element 22, described assembly axis portion 17C possesses one or more holder hooks 29 rather than threaded portion.Holder hooks 29 is reset to the extended position that radial outside is prominent shaking and can be retracted into and mobile be equipped in locking axle 17 in the way of in the diameter of axle.For carrying out, with regard to the top end shaft 30 to be supported in locking axle 17, the holder hooks 29 shaken, carrying out being retracted into movement along with being inserted in Kong Erxiang axle 17 footpath of axle 17, shake is reset to extended position after by hole.
In this case, method for compressing internal detents c with ormal weight can use machinery or the instruments etc. such as hydraulic press to carry out, carrying out along with compression, holder hooks 29 is just reset to extended position out to namely shaking behind the lower section of center plectane 2B, thus engaging maintenance by the internal detents c state compressed with ormal weight.Additionally, the accompanying drawing labelling 31 of Fig. 6 is the stop member of the extended position for determining holder hooks 29, accompanying drawing labelling 32 is to apply elastic force to make the Flexible element (helical spring) that holder hooks 29 is prominent.
(5) although the diagram of eliminating, it may also be have the air spring A of following internal detents c: described internal detents c is the centrally disposed precommpression mechanism (bolt 17, nut 19 etc.) at axle center P, and the structure of one or more card stop element 22 (with reference to Fig. 6) is being set about.
Claims (9)
1. an air spring, it possesses: the upper support portion of body side；The lower support portion of chassis side, it is configured at the lower section of described upper support portion；And the barrier film of elastomeric material, it is arranged on from described upper support portion to the entirety in described lower support portion, wherein:
The support portion of any one in support portion and described lower support portion arranges the internal detents of elastomeric material on described, along with described upper support portion and described lower support portion carry out being relatively close to movement with ormal weight in the vertical direction, the state that another support portion and described internal detents any in described upper support portion and described lower support portion abuts against is constituted
The existence side of support portion of one and opposition side configuration pressing piece at described internal detents；Card stop element is set so that the support portion of one and described pressing piece between the upper and lower every maintaining the elasticity resisting described internal detents and the value of the width up and down less than described internal detents；And it is equipped with in the way of inside the outer contour of the described internal detents that described card stop element is in time being contained in above-below direction and to see.
2. air spring according to claim 1, wherein:
It is equipped with precommpression mechanism, its for by the support portion that width compression up and down is one of described internal detents and described pressing piece between the upper and lower every, and inside the described outer contour that described precommpression mechanism is in time being contained in above-below direction and to see in the way of be equipped with.
3. air spring according to claim 1 and 2, wherein:
The screw bolt and nut that described card stop element has the support portion and described pressing piece of crossing over one and arranges.
4. air spring according to claim 1 and 2, wherein:
Described card stop element is equipped with one when above-below direction is seen at the central part of described internal detents.
5. air spring according to claim 3, wherein:
Being equipped with rotation preventive mechanism, it rotates against movement for what stop described pressing piece and described internal detents.
6. air spring according to claim 1 and 2, wherein:
Described pressing piece is provided with peripheral part, and described peripheral part is fitted in the upper end of described internal detents and forms sleeve junction surface.
7. air spring according to claim 3, wherein:
Described pressing piece is provided with peripheral part, and described peripheral part is fitted in the upper end of described internal detents and forms sleeve junction surface.
8. air spring according to claim 4, wherein:
Described pressing piece is provided with peripheral part, and described peripheral part is fitted in the upper end of described internal detents and forms sleeve junction surface.
9. air spring according to claim 5, wherein:
Described pressing piece is provided with peripheral part, and described peripheral part is fitted in the upper end of described internal detents and forms sleeve junction surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014264854A JP6424086B2 (en) | 2014-12-26 | 2014-12-26 | Air spring |
| JP2014-264854 | 2014-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736626A true CN105736626A (en) | 2016-07-06 |
| CN105736626B CN105736626B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510888621.2A Expired - Fee Related CN105736626B (en) | 2014-12-26 | 2015-12-07 | Air spring |
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| JP (1) | JP6424086B2 (en) |
| CN (1) | CN105736626B (en) |
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| CN107740838A (en) * | 2017-10-27 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | Prepressing type air spring assembly |
| CN108361312A (en) * | 2017-12-25 | 2018-08-03 | 株洲时代新材料科技股份有限公司 | Combined air spring system |
| CN108518441A (en) * | 2018-05-08 | 2018-09-11 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN109236926A (en) * | 2018-09-06 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | Air spring and suspension type rail vehicle with it |
| CN109891117A (en) * | 2016-10-17 | 2019-06-14 | 住友电气工业株式会社 | Air spring and bogie |
| CN112406929A (en) * | 2020-11-30 | 2021-02-26 | 株洲时代新材料科技股份有限公司 | Two-system vibration reduction air spring |
| CN113286954A (en) * | 2018-12-27 | 2021-08-20 | 五十铃自动车株式会社 | Air spring stop structure |
| WO2022194294A1 (en) * | 2021-03-19 | 2022-09-22 | 青岛博锐智远减振科技有限公司 | Air spring and railway vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109891117A (en) * | 2016-10-17 | 2019-06-14 | 住友电气工业株式会社 | Air spring and bogie |
| CN107740838A (en) * | 2017-10-27 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | Prepressing type air spring assembly |
| CN108361312A (en) * | 2017-12-25 | 2018-08-03 | 株洲时代新材料科技股份有限公司 | Combined air spring system |
| CN108361312B (en) * | 2017-12-25 | 2020-06-12 | 株洲时代新材料科技股份有限公司 | Combined air spring system |
| CN108518441A (en) * | 2018-05-08 | 2018-09-11 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN108518441B (en) * | 2018-05-08 | 2020-03-06 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN109236926A (en) * | 2018-09-06 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | Air spring and suspension type rail vehicle with it |
| CN109236926B (en) * | 2018-09-06 | 2024-02-09 | 中车青岛四方机车车辆股份有限公司 | Air spring and suspension type rail vehicle with same |
| CN113286954A (en) * | 2018-12-27 | 2021-08-20 | 五十铃自动车株式会社 | Air spring stop structure |
| CN112406929A (en) * | 2020-11-30 | 2021-02-26 | 株洲时代新材料科技股份有限公司 | Two-system vibration reduction air spring |
| WO2022194294A1 (en) * | 2021-03-19 | 2022-09-22 | 青岛博锐智远减振科技有限公司 | Air spring and railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016125539A (en) | 2016-07-11 |
| JP6424086B2 (en) | 2018-11-14 |
| CN105736626B (en) | 2018-04-03 |
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