CN105179579A - Suspension rubber air spring device used for heavy vehicle - Google Patents
Suspension rubber air spring device used for heavy vehicle Download PDFInfo
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- CN105179579A CN105179579A CN201510583689.XA CN201510583689A CN105179579A CN 105179579 A CN105179579 A CN 105179579A CN 201510583689 A CN201510583689 A CN 201510583689A CN 105179579 A CN105179579 A CN 105179579A
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- air spring
- main body
- rubber air
- connecting portion
- bellows main
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Abstract
The invention discloses a suspension rubber air spring device used for a heavy vehicle. The suspension rubber air spring device comprises a bladder type main body, an end cover, a piston connection part, an air cylinder and a piston rod. The end cover and the piston connection part are connected with the two ends of the bladder type main body respectively. The air cylinder is sleeved with the piston connection part. The piston rod is sleeved with the air cylinder and slides in the air cylinder, and the piston rod extends to the top position of the end cover. A shock absorption head is further fixed to the outer side of the position, located at the top of the end cover, of the piston rod. The piston connection part comprises an insertion end and a free end. The insertion end is inserted into the bladder type main body. A shock absorption head is fixed to the tail end of the free end. Each shock absorption head is in the shape of a cylindrical barrel without bottoms at the two ends, and is provided with a shock absorption rubber liner and an abrasion-resistant liner sequentially from outside to inside. According to the suspension rubber air spring device, the phenomena that the short service life and partial heating of a rubber air spring are caused by excessive deformation and overstrain of a rubber airbag due to frequent use in the using process of the rubber air spring are avoided, so that the service life of the rubber air spring is prolonged, and the quality of the rubber air spring is improved.
Description
Technical field
The present invention relates to rubber air spring technical field, particularly relate to heavy vehicles suspension rubber air spring assembly.
Background technique
Now along with the development of vehicle, rubber air spring is widely used in load-carrying vehicle, go-anywhere vehicle and SUV go-anywhere vehicle, big bus, high ferro etc., for airsuspension system, air damping system, utilization rate is on heavy goods vehicles more than 80%, bullet train and luxurious city bus 100% adopt, and part car there are also installed this system.The vehicle front-wheel of air Rubber spring suspension and the vicinity of trailing wheel all can be provided with ground clearance sensor, by the output signal of ground clearance sensor, car running computer can judge that vehicle body height changes, control air compressor and drain tap again, make spring automatic Compression or elongation, thus reduce or raise the chassis ground Clearance, to increase the passing ability of high speed vehicle body stability or complex road condition.
Certainly, compare traditional damping device and system, its probability broken down and frequency also higher, and by the power resources of air as shock mitigation system, the sealing of associated components is also a problem, in addition, if it is rugged to run into section, or the location that road conditions are poor, rubber air spring is used frequently, and can cause its rubber pneumatic bag frequent wear and local superheating, and is the air pump system local superheating of its air feed, greatly can shorten the working life of air pump, make its use be subject to larger restriction.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides heavy vehicles suspension rubber air spring assembly, its object is to improve rubber air spring in use, the rubber pneumatic bag excessive deformation caused owing to frequently using and strain, and cause the phenomenon of shorter and local heating in its working life, thus improve its working life and quality.
The technical solution adopted in the present invention is: heavy vehicles suspension rubber air spring assembly, comprise bellows main body, end cap, Piston connecting portion, cylinder and piston rod, end cap and Piston connecting portion are connected to the two ends of bellows main body, and cylinder liner is inner at Piston connecting portion; Piston rod is enclosed within cylinder and slides, and it extends to the tip position of end cap, is also fixed with damping head outside the tip position that piston rod is positioned at end cap; Piston connecting portion comprises insertion end and free end, and insertion end is inserted in bellows main body, and the end of free end is fixed with a damping head; Each damping head is that the bottomless cylinder in two ends is barrel-shaped, and it is also provided with shock absorbing bushing and anti-wearing liner from outside to inside successively.Rubber air suspension arrangement of the present invention, on the basis of existing technology, first, the lower cover of bellows main body is changed to Piston connecting portion, and in Piston connecting portion, be covered with a whole cylinder, on the direction that the end cap of the other end extends, piston rod is provided with in cylinder, until the tip position place of end cap, the inside of the bellows main body of whole rubber air spring is made to define a large piston, so just can when rubber air spring works, after bellows subject distortion, under the effect of the pressure difference that the piston rod in cylinder is outside within it, carry out auto-compensation, thus reduce amount of deformation and the deformation extent of bellows main body, and alleviate it due to frequent operation, and the wearing and tearing caused and local superheating phenomenon, in addition, this structure also effectively alleviates and to be connected with it and to provide the local superheating phenomenon of the air pump device of source of the gas for it, thus ensure that rubber air spring is when long-time or large frequency operation, good working state can be kept, reach good working efficiency, and there is longer working life and higher quality, secondly, the present invention is above the end cap of its one end and the below of Piston connecting portion of its other end, namely the end of its free end is fixed with a damping head respectively, its object is to the self vibration alleviating bellows main body, thus is conducive to the working life and the quality that improve bellows main body.There is the value applied preferably.
Further, be connected between the insertion end of the Piston connecting portion in bellows main body and free end and be also provided with transition part, transition part is recessed sleekly to cylinder direction, the outer surface of insertion end and free end is made to form insertion end projection and free end projection respectively, on the one hand, ensure that Piston connecting portion has and mount and dismount performance preferably; On the other hand, ensure that insertion end projection and bellows main body can closely be fitted, thus improve its sealability.
In addition, the position that bellows main body is connected with Piston connecting portion is also provided with aduncate folded part, improves sealability and its anti-seismic performance of bellows lower body part further.Folded part comprises bending part and curved part, and the insertion end projection of curved part and Piston connecting portion is fitted and arranged, and ensure that better sealability.
In particular, the outside of bellows main body and end cap connection part is also provided with metal collar, is convenient to the sealability of the connection improving bellows main body and end cap.
Compared with prior art, the invention has the beneficial effects as follows: rubber air suspension arrangement of the present invention, on the basis of existing technology, first, the lower cover of bellows main body is changed to Piston connecting portion, and in Piston connecting portion, be covered with a whole cylinder, on the direction that the end cap of the other end extends, piston rod is provided with in cylinder, until the tip position place of end cap, the inside of the bellows main body of whole rubber air spring is made to define a large piston, so just can when rubber air spring works, after bellows subject distortion, under the effect of the pressure difference that the piston rod in cylinder is outside within it, carry out auto-compensation, thus reduce amount of deformation and the deformation extent of bellows main body, and alleviate it due to frequent operation, and the wearing and tearing caused and local superheating phenomenon, in addition, this structure also effectively alleviates and to be connected with it and to provide the local superheating phenomenon of the air pump device of source of the gas for it, thus ensure that rubber air spring is when long-time or large frequency operation, good working state can be kept, reach good working efficiency, and there is longer working life and higher quality, secondly, the present invention is above the end cap of its one end and the below of Piston connecting portion of its other end, namely the end of its free end is fixed with a damping head respectively, its object is to the self vibration alleviating bellows main body, thus is conducive to the working life and the quality that improve bellows main body.There is the value applied preferably.
Structure of the present invention is simple, easy to make, technique is easy to realize, improve rubber air spring in use, the rubber pneumatic bag excessive deformation caused owing to frequently using and strain, and cause the phenomenon of shorter and local heating in its working life, thus improve working life and the quality of rubber air spring.
Accompanying drawing explanation
Fig. 1 is the structural representation of heavy vehicles suspension rubber air spring assembly;
Fig. 2 is the bellows main body of heavy vehicles suspension rubber air spring assembly and the structural representation of Piston connecting portion.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further described, and this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
As shown in Figure 1, heavy vehicles suspension rubber air spring assembly, comprise bellows main body 1, end cap 2, Piston connecting portion 3, cylinder 4 and piston rod 5, end cap 2 and Piston connecting portion 3 are connected to the two ends of bellows main body 1, and it is inner that cylinder 4 is enclosed within Piston connecting portion 3; Piston rod 5 is enclosed within cylinder 4 and slides, and it extends to the tip position 7 of end cap 2, is also fixed with damping 6 outside the tip position 7 that piston rod 5 is positioned at end cap 2; Piston connecting portion 3 comprises insertion end 31 and free end 32, and insertion end 31 is inserted in bellows main body 1, and the end of free end 32 is fixed with a damping 6; Each damping 6 is that the bottomless cylinder in two ends is barrel-shaped, and it is also provided with shock absorbing bushing 8 and anti-wearing liner 9 from outside to inside successively.Rubber air suspension arrangement of the present invention, on the basis of existing technology, first, the lower cover of bellows main body 1 is changed to Piston connecting portion 3, and in Piston connecting portion 3, be covered with a whole cylinder 4, on the direction that the end cap 2 of the other end extends, piston rod 5 is provided with in cylinder 4, until tip position 7 place of end cap 2, the inside of the bellows main body 1 of whole rubber air spring is made to define a large piston, so just can when rubber air spring works, after bellows main body 1 is out of shape, under the effect of the pressure difference that the piston rod 5 in cylinder 4 is outside within it, carry out auto-compensation, thus reduce amount of deformation and the deformation extent of bellows main body, and alleviate it due to frequent operation, and the wearing and tearing caused and local superheating phenomenon, in addition, this structure also effectively alleviates and to be connected with it and to provide the local superheating phenomenon of the air pump device of source of the gas for it, thus ensure that rubber air spring is when long-time or large frequency operation, good working state can be kept, reach good working efficiency, and there is longer working life and higher quality, secondly, the present invention is above the end cap 2 of its one end and the below of Piston connecting portion 3 of its other end, namely the end of its free end 32 is fixed with a damping 6 respectively, its object is to the self vibration alleviating bellows main body 1, thus is conducive to the working life and the quality that improve bellows main body 1.There is the value applied preferably.
In this application, be connected between the insertion end 31 of the Piston connecting portion 3 in bellows main body 1 and free end 32 and be also provided with transition part 33, transition part 33 is recessed sleekly to cylinder 4 direction, the outer surface of insertion end 31 and free end 32 is made to form insertion end projection 311 and free end projection 321 respectively, on the one hand, ensure that Piston connecting portion 3 has and mount and dismount performance preferably; On the other hand, ensure that insertion end projection 311 and bellows main body 1 can closely be fitted, thus improve its sealability.
In addition, as shown in Figure 2, the position that bellows main body 1 is connected with Piston connecting portion 3 is also provided with aduncate folded part 11, improves sealability and its anti-seismic performance of bellows lower body part further.Folded part 11 comprises bending part 111 and curved part 112, and curved part 112 is fitted with the insertion end projection 311 of Piston connecting portion 3 and arranged, and ensure that better sealability.
In particular, bellows main body 1 is also provided with metal collar 10 with the outside of end cap 2 connection part, is convenient to the sealability of the connection improving bellows main body 1 and end cap 2.
Structure of the present invention is simple, easy to make, technique is easy to realize, improve rubber air spring in use, the rubber pneumatic bag excessive deformation caused owing to frequently using and strain, and cause the phenomenon of shorter and local heating in its working life, thus improve working life and the quality of rubber air spring.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, those of ordinary skill in the art; very easily according to above-described embodiment, understand spirit of the present invention, and make different amplifications and change; but only otherwise depart from spirit of the present invention, all in protection scope of the present invention.
Claims (5)
1. heavy vehicles suspension rubber air spring assembly, it is characterized in that: comprise bellows main body (1), end cap (2), Piston connecting portion (3), cylinder (4) and piston rod (5), described end cap (2) and Piston connecting portion (3) are connected to the two ends of bellows main body (1), and it is inner that described cylinder (4) is enclosed within Piston connecting portion (3); Described piston rod (5) is enclosed within cylinder (4) and slides, and it extends to the tip position (7) of end cap (2), and tip position (7) outside that described piston rod (5) is positioned at end cap (2) is also fixed with damping head (6); Described Piston connecting portion (3) comprises insertion end (31) and free end (32), and described insertion end (31) is inserted in bellows main body (1), and the end of described free end (32) is fixed with a damping head (6); Damping head (6) described in each for the cylinder that two ends are bottomless barrel-shaped, and it is also provided with shock absorbing bushing (8) and anti-wearing liner (9) from outside to inside successively.
2. heavy vehicles suspension rubber air spring assembly according to claim 1, it is characterized in that: be connected between the insertion end (31) of the Piston connecting portion (3) in described bellows main body (1) and free end (32) and be also provided with transition part (33), described transition part (33) is recessed sleekly to cylinder (4) direction, makes the outer surface of insertion end (31) and free end (32) form insertion end projection (311) and free end projection (321) respectively.
3. heavy vehicles suspension rubber air spring assembly according to claim 2, is characterized in that: the position that described bellows main body (1) is connected with Piston connecting portion (3) is also provided with aduncate folded part (11).
4. heavy vehicles suspension rubber air spring assembly according to claim 3, it is characterized in that: described folded part (11) comprise bending part (111) and curved part (112), described curved part (112) is fitted with the insertion end projection (311) of Piston connecting portion (3) and is arranged.
5. heavy vehicles suspension rubber air spring assembly according to claim 1 and 2, is characterized in that: described bellows main body (1) is also provided with metal collar (10) with the outside of end cap (2) connection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583689.XA CN105179579A (en) | 2015-09-15 | 2015-09-15 | Suspension rubber air spring device used for heavy vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583689.XA CN105179579A (en) | 2015-09-15 | 2015-09-15 | Suspension rubber air spring device used for heavy vehicle |
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| CN105179579A true CN105179579A (en) | 2015-12-23 |
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| CN201510583689.XA Pending CN105179579A (en) | 2015-09-15 | 2015-09-15 | Suspension rubber air spring device used for heavy vehicle |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649692A (en) * | 1994-03-18 | 1997-07-22 | Fichtel & Sachs Ag | Vibration damper and pneumatic suspension system |
| US20020011697A1 (en) * | 2000-07-29 | 2002-01-31 | Christoph Pesch | Strut with an air-filled cushion |
| DE102010026236A1 (en) * | 2009-07-30 | 2011-02-10 | Wabco France | Pneumatic suspension and use for a truck driver's cab |
| CN102705419A (en) * | 2012-06-18 | 2012-10-03 | 三一重工股份有限公司 | Air spring vibration damper and vehicle |
| CN203161953U (en) * | 2013-02-02 | 2013-08-28 | 嘉兴嘉嘉汽车零部件制造有限公司 | Embedded air-bag damper |
| US20140175716A1 (en) * | 2012-12-25 | 2014-06-26 | Showa Corporation | Damper with air spring |
| CN204127186U (en) * | 2014-09-02 | 2015-01-28 | 山东红光橡胶科技有限公司 | A kind of complex spring vibration damper |
| CN204127193U (en) * | 2014-09-02 | 2015-01-28 | 山东红光橡胶科技有限公司 | A kind of sleeve formula cab air spring vibration damper |
| CN104736360A (en) * | 2012-09-21 | 2015-06-24 | 克诺尔商用车制动系统有限公司 | Seal arrangement for an air spring system |
| CN205036776U (en) * | 2015-09-15 | 2016-02-17 | 广德高斯特车辆部件有限公司 | Heavy vehicle is with hanging rubber air spring device |
-
2015
- 2015-09-15 CN CN201510583689.XA patent/CN105179579A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649692A (en) * | 1994-03-18 | 1997-07-22 | Fichtel & Sachs Ag | Vibration damper and pneumatic suspension system |
| US20020011697A1 (en) * | 2000-07-29 | 2002-01-31 | Christoph Pesch | Strut with an air-filled cushion |
| DE102010026236A1 (en) * | 2009-07-30 | 2011-02-10 | Wabco France | Pneumatic suspension and use for a truck driver's cab |
| CN102705419A (en) * | 2012-06-18 | 2012-10-03 | 三一重工股份有限公司 | Air spring vibration damper and vehicle |
| CN104736360A (en) * | 2012-09-21 | 2015-06-24 | 克诺尔商用车制动系统有限公司 | Seal arrangement for an air spring system |
| US20140175716A1 (en) * | 2012-12-25 | 2014-06-26 | Showa Corporation | Damper with air spring |
| CN203161953U (en) * | 2013-02-02 | 2013-08-28 | 嘉兴嘉嘉汽车零部件制造有限公司 | Embedded air-bag damper |
| CN204127186U (en) * | 2014-09-02 | 2015-01-28 | 山东红光橡胶科技有限公司 | A kind of complex spring vibration damper |
| CN204127193U (en) * | 2014-09-02 | 2015-01-28 | 山东红光橡胶科技有限公司 | A kind of sleeve formula cab air spring vibration damper |
| CN205036776U (en) * | 2015-09-15 | 2016-02-17 | 广德高斯特车辆部件有限公司 | Heavy vehicle is with hanging rubber air spring device |
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Application publication date: 20151223 |