CN103062274A - Corrugated pipe ventilation device in vibration damper - Google Patents

Corrugated pipe ventilation device in vibration damper Download PDF

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Publication number
CN103062274A
CN103062274A CN2012104618983A CN201210461898A CN103062274A CN 103062274 A CN103062274 A CN 103062274A CN 2012104618983 A CN2012104618983 A CN 2012104618983A CN 201210461898 A CN201210461898 A CN 201210461898A CN 103062274 A CN103062274 A CN 103062274A
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CN
China
Prior art keywords
piston rod
vibration damper
vent passages
elastomer
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012104618983A
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Chinese (zh)
Inventor
N·阿克尔曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of CN103062274A publication Critical patent/CN103062274A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001—Arrangements for attachment of dampers
    • B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/22—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only
    • B60G11/24—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/38—Covers for protection or appearance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/42—Cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B60G2204/4502—Stops limiting travel using resilient buffer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B60G2204/4502—Stops limiting travel using resilient buffer
    • B60G2204/45021—Stops limiting travel using resilient buffer for limiting upper mount movement of a McPherson strut

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a corrugated pipe ventilation device in a vibration damper, and especially relates to the vibration damper. The vibration damper includes a piston rod which moves axially in a cylinder, and the piston rod is surrounded by a corrugated pipe. A first end of the corrugated pipe is fixed on the piston rod, and a second end is fixed on the cylinder. The corrugated pipe ventilation device is used for the air exchange between a circular space in the corrugated pipe and an area facing to a connecting support on the piston rod side, wherein the connecting rod is provided with at least one ventilation channel on the outside of the piston rod. The ventilation channels are connected with the circular space and the area.

Description

Bellows ventilation plant in the vibration damper
Technical field
The present invention relates to the bellows ventilation plant for vibration damper as described in the preamble for according to claim 1.
Background technique
Know a kind of vibration damper from document DE 103 06 121B4 that consist of this preamble, it comprises an axially movable piston rod in cylinder, and wherein this piston rod is surrounded by a bellows.The first end of bellows is fixed at piston rod side, and the second end is fixed in the cylinder side, and wherein the bellows ventilation plant in the piston rod is for the air exchange between the zone on the opposite of the connection bearing of the annular space in the bellows and piston rod side.The zone on the opposite of the connection bearing of piston rod side for example is positioned at the inside of automotive body, therefore for example compares the better protected pollution that is not harmful to and moisture effect with wheelhouse portions.Therefore the atmosphere that has less loading in annular space is so that piston rod also obtains obviously better protection than the bellows implementation of routine.
Shortcoming corresponding to the design of DE 103 06 121B4 is owing to introduce vent passages the piston rod cross section to be diminished.
Summary of the invention
Task of the present invention is, realizes ventilation function in having the vibration damper of bellows, wherein avoids reducing of piston rod cross section.
The following solution of this task according to the present invention connects bearing and has at least one vent passages in the outside of piston rod, and this vent passages connects the zone on annular space and the opposite that is connected bearing.
Piston rod can have conventional design, compared with prior art can bear larger load thus.
According to a favourable dependent claims, the housing of bearing has at least one vent passages.Therefore in automotive body, needn't be fabricated to the needed hole of this function.
Connect bearing and have at least one elastomer in another kind of design proposal, on housing, wherein vent passages makes up at elastomeric radial outside described elastomer in radial support.Therefore also can use known elastomer.
For making as far as possible simply for the housing that connects bearing, connect bearing and have at least one elastomer, be used for isolated piston vibration of bar, wherein vent passages is limited by elastomer on a vertical section at least.
Stipulate that in addition housing has for this at least one elastomeric centering ring bank, wherein vent passages is built at least one centering ring bank inside.This solution is saved the position especially.
In an alternative solution, vent passages extends at the radial outside of the supporting seat ring of the piston rod side that connects bearing.Mainly in this solution be at piston rod and connect and have maximum power transmission between the bearing.
Vent passages can be at least limited by the supporting seat ring at the piston rod side of the inside that connects bearing on a vertical section.This deformation program is also followed the thought that can use for connecting bearing simple as far as possible housing.
Usually can use additional springs in vibration damper, its advanced position at piston rod works.When connecting bearing and an additional springs acting in conjunction that arranges in annular space, vent passages vertical section can be made up by a cover plate side towards the direction of annular space that connects bearing at that time.As repeatedly mentioning, in this deformation program, also can use simple housing geometrical construction.
Description of drawings
Fig. 1 shows the vent passages in the housing that connects bearing.
Fig. 2 shows the vent passages in the parts that connect bearing.
Embodiment
Fig. 1 shows the schematic diagram of the vibration damper 1 with cylinder 3 and a piston rod 5 that moves vertically within it.Piston rod 5 is surrounded by bellows 7, and bellows 7 is fixed on the cylinder side on the outer circumferential face 9 of cylinder 3.The second end of bellows 7 is fixed on the connection bearing 11 of piston rod side.Connect bearing 11 and have a fixed area 13, this fixed area for example is connected with automotive body 15.Symbolically express in the automotive body 15 be connected bearing in the hole 17 of fixed block.
Connect in addition bearing 11 and have housing 19, at least one elastomer 21 is set up within it and is radially supporting.This elastomer 21 is used for isolated piston rod 5 with respect to the vibration of automotive body 15.Power between piston rod 5 and the elastomer 21 passes through supporting seat ring 23 and realizes, this supporting seat ring is connected with elastomer 21 by its two cover plate faces 25,27.
Connect in addition bearing 11 and have at least one vent passages 29 in the outside of piston rod 5, described vent passages is connected the zone 33 on connection bearing 11 opposites with the annular spaces 31 in the bellows 7 and is connected with piston rod side.Vent passages 29 radially is located at elastomer 21 outsides in housing 19 in this embodiment, specifically within being used for the centering ring bank 35 of this at least one elastomer 21.Vent passages 29 is made of at least one simple axial drilling.Very little load is only born in this zone of housing 19.
Fig. 2 shows another optional distortion, and wherein vent passages 29 is vertically being limited by elastomer 21 on the section 29a at least.Radially in supporting seat ring 23 outsides, elastomer 21 has vent passages 29.Ring elastomer 21 can have in internal diameter and/or outer radius above-mentioned vertical section 29a, the 29b of vent passages.The supporting seat ring of piston rod side can be configured to not have vent passages in a kind of mode of execution on external diameter.Support in addition seat ring 23 and also can have at least one through hole 29c as the part of vent passages 29.
In vibration damper 1, often use the additional springs 37 in annular space 31 interior settings.For connecting annular space 31 and the zone 33 that is connected bearing 11 opposites, Fig. 2 expresses two kinds of possible mode of executions.For example vent passages 29 can be made of with respect to the larger-size through hole of diameter of piston rod groove 29d or in additional springs one.In the shell area 39 of carrying additional springs 37, can make up equally vertical section 29f of vent passages 29.For from annular space via connecting bearing 11 transition, connecting the vertical section 29g towards the cover plate side 41 interior structure vent passages 29 of the direction of annular space of bearing 11, it leads in the through hole 43 for the connection bearing 11 of piston rod 7.
Reference numerals list
1 vibration damper
3 cylinders
5 piston rods
7 bellowss
9 outer surfaces
11 connect bearing
13 fixed area
15 automotive body
17 holes
19 housings
21 elastomers
23 supporting seat rings
25; 27 cover plate sides
29 vent passages
The vertical section of 29a
The vertical section of 29b
The 29c through hole
The 29d groove
The 29e through hole
The vertical section of 29f
The vertical section of 29g
31 annular spaces
33 connect the zone on bearing opposite
35 centering ring banks
37 additional springs
39 shell area
41 cover plate sides
43 through holes

Claims (8)

1. vibration damper (1), be included in axially movable piston rod (5) in the cylinder (3), wherein said piston rod (5) is surrounded by bellows (7), described bellows (7) is fixed at piston rod side with first end, and fix in the cylinder side with the second end, wherein bellows ventilation plant (29) is for the air exchange between the zone (33) on connection bearing (11) opposite of the annular space (31) in the bellows (7) and piston rod side, it is characterized in that, described connection bearing (11) has at least one vent passages (29) in described piston rod (5) outside, and described vent passages connects annular space (31) and described zone (33).
2. vibration damper according to claim 1 is characterized in that, the housing (19) of described connection bearing (11) has at least one vent passages (29).
3. vibration damper according to claim 2, it is characterized in that, described connection bearing (11) has at least one elastomer (21), on described housing (19), wherein vent passages (29) is positioned at the radial outside of described elastomer (21) to described elastomer in radial support.
4. vibration damper according to claim 2, it is characterized in that, described connection bearing (11) has the vibration that at least one elastomer (21) is used for isolated piston rod (5), and wherein vent passages (29) is upward limited by elastomer (21) at vertical section (29a) at least.
5. vibration damper according to claim 2, it is characterized in that, described housing (19) has the centering ring bank (35) at least one elastomer (21), and wherein said vent passages (29) is built in this at least one centering ring bank (35).
6. vibration damper according to claim 1 is characterized in that, described vent passages (29) extends at the radial outside of the supporting seat ring (23) of the piston rod side that connects bearing (11).
7. vibration damper according to claim 1 is characterized in that, described vent passages (29) is made of the supporting seat ring (23) at the piston rod side of the inside that connects bearing (11) in that vertical section (29a) is upper at least.
8. vibration damper according to claim 1, it is characterized in that, described connection bearing (11) and additional springs (37) acting in conjunction that is arranged in the annular space (31), wherein vertical section (29g) of vent passages is made of a cover plate side (41) towards the direction of annular space (31) that connects bearing (11).
CN2012104618983A 2011-10-18 2012-08-22 Corrugated pipe ventilation device in vibration damper Pending CN103062274A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110084684 DE102011084684B3 (en) 2011-10-18 2011-10-18 Vibration damper for vehicle bodywork, has ventilation channel including housing of terminal bearing, where housing includes center rod for elastomer body in ventilation channel that is carried out within center rod
DE102011084684.0 2011-10-18

Publications (1)

Publication Number Publication Date
CN103062274A true CN103062274A (en) 2013-04-24

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ID=47828200

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012104618983A Pending CN103062274A (en) 2011-10-18 2012-08-22 Corrugated pipe ventilation device in vibration damper

Country Status (2)

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CN (1) CN103062274A (en)
DE (1) DE102011084684B3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105402409A (en) * 2014-09-09 2016-03-16 通用汽车环球科技运作有限责任公司 Sealing boot assembly
CN105987118A (en) * 2015-03-17 2016-10-05 东洋橡胶工业株式会社 Air spring
CN105987177A (en) * 2015-03-17 2016-10-05 东洋橡胶工业株式会社 Axle spring
CN113013010A (en) * 2019-12-20 2021-06-22 中微半导体设备(上海)股份有限公司 Corrugated pipe structure, method for adjusting verticality and plasma processing device thereof
CN115388126A (en) * 2022-09-30 2022-11-25 阿维塔科技(重庆)有限公司 Air spring shock absorber assembly and vehicle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214954B3 (en) * 2012-08-23 2014-01-09 Zf Friedrichshafen Ag Piston rod-cylinder unit for use in vibration damper of vehicle, has ventilation channel formed between ring housing and inner space, and bearing exhibiting ring housing with filter element, where housing extends over range of bearing
DE102018202831B4 (en) * 2018-02-26 2024-10-17 Zf Friedrichshafen Ag Adjustable spring carrier
DE102020200090B4 (en) 2020-01-07 2021-08-19 Volkswagen Aktiengesellschaft Vehicle with an additional spring
DE102021100449B4 (en) 2021-01-13 2022-08-04 Audi Aktiengesellschaft Arrangement for venting a protective sleeve of a damper of a motor vehicle and wheel suspension of a motor vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694544A (en) * 1950-10-31 1953-07-22 Francesco Strozzi Hydraulic shock absorber of the piston type
DE1968945U (en) * 1966-10-29 1967-09-21 Nsu Motorenwerke Ag SHOCK ABSORBER.
DE3531542A1 (en) * 1984-09-14 1986-04-03 Volkswagen AG, 3180 Wolfsburg Gas-filled spring arrangement for wheel axles of a vehicle
JPH10292841A (en) * 1997-04-18 1998-11-04 Kayaba Ind Co Ltd Top cover structure
CN1432490A (en) * 2002-01-10 2003-07-30 株式会社昭和 Hydraulic damper
US20040188199A1 (en) * 2003-02-14 2004-09-30 Zf Sachs Ag Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder units
CN1693103A (en) * 2004-04-30 2005-11-09 Zf腓特烈港股份公司 Suspension strut top mount

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989884A (en) * 1989-03-13 1991-02-05 Goodman Clarence R Automotive boot
DE19933783A1 (en) * 1999-07-19 2001-01-25 Volkswagen Ag Protective component for car hydraulic systems has thin-walled elastic hose between which can be moved from position in which lower fastening section is inside higher to position where they are spaced apart
DE10200608A1 (en) * 2001-02-05 2002-08-08 Zf Sachs Ag Hydraulic-pneumatic or pneumatic piston-cylinder unit, especially for vibration damper or spring leg of motor vehicle, has folding bellows with air inlet and outlet opening into internal volume bounded by bellows to form directed air flow

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694544A (en) * 1950-10-31 1953-07-22 Francesco Strozzi Hydraulic shock absorber of the piston type
DE1968945U (en) * 1966-10-29 1967-09-21 Nsu Motorenwerke Ag SHOCK ABSORBER.
DE3531542A1 (en) * 1984-09-14 1986-04-03 Volkswagen AG, 3180 Wolfsburg Gas-filled spring arrangement for wheel axles of a vehicle
JPH10292841A (en) * 1997-04-18 1998-11-04 Kayaba Ind Co Ltd Top cover structure
CN1432490A (en) * 2002-01-10 2003-07-30 株式会社昭和 Hydraulic damper
US20040188199A1 (en) * 2003-02-14 2004-09-30 Zf Sachs Ag Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder units
CN1693103A (en) * 2004-04-30 2005-11-09 Zf腓特烈港股份公司 Suspension strut top mount

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105402409A (en) * 2014-09-09 2016-03-16 通用汽车环球科技运作有限责任公司 Sealing boot assembly
CN105402409B (en) * 2014-09-09 2018-04-10 通用汽车环球科技运作有限责任公司 Seal cartridge assembly
CN105987118A (en) * 2015-03-17 2016-10-05 东洋橡胶工业株式会社 Air spring
CN105987177A (en) * 2015-03-17 2016-10-05 东洋橡胶工业株式会社 Axle spring
CN105987177B (en) * 2015-03-17 2020-01-03 东洋橡胶工业株式会社 Shaft spring
CN113013010A (en) * 2019-12-20 2021-06-22 中微半导体设备(上海)股份有限公司 Corrugated pipe structure, method for adjusting verticality and plasma processing device thereof
CN113013010B (en) * 2019-12-20 2023-09-29 中微半导体设备(上海)股份有限公司 Corrugated pipe structure, method for adjusting verticality and plasma processing device thereof
CN115388126A (en) * 2022-09-30 2022-11-25 阿维塔科技(重庆)有限公司 Air spring shock absorber assembly and vehicle

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Application publication date: 20130424