GB2274263A - Steering assembly mounting. - Google Patents

Steering assembly mounting. Download PDF

Info

Publication number
GB2274263A
GB2274263A GB9300675A GB9300675A GB2274263A GB 2274263 A GB2274263 A GB 2274263A GB 9300675 A GB9300675 A GB 9300675A GB 9300675 A GB9300675 A GB 9300675A GB 2274263 A GB2274263 A GB 2274263A
Authority
GB
United Kingdom
Prior art keywords
steering
steering apparatus
steering assembly
mounting means
resilient
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.)
Granted
Application number
GB9300675A
Other versions
GB2274263B (en
GB9300675D0 (en
Inventor
Roland John Hayward
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.)
MG Rover Group Ltd
Original Assignee
MG Rover Group Ltd
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 MG Rover Group Ltd filed Critical MG Rover Group Ltd
Priority to GB9300675A priority Critical patent/GB2274263B/en
Publication of GB9300675D0 publication Critical patent/GB9300675D0/en
Publication of GB2274263A publication Critical patent/GB2274263A/en
Application granted granted Critical
Publication of GB2274263B publication Critical patent/GB2274263B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/387—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type comprising means for modifying the rigidity in particular directions
    • F16F1/3873—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type comprising means for modifying the rigidity in particular directions having holes or openings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Controls (AREA)
  • Vibration Prevention Devices (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)

Abstract

A steering assembly 12 is mounted on bushes 24 which have a resilient component 30 in them with cavities 32, 33 in it. The cavities enable the resilience of the bushes to be made directionally dependant and to be tuned to improve vehicle shimmy sensitivity and to reduce vibration. The cavities may be filled with a material of different resilience. <IMAGE>

Description

STEERING ASSEMBLY MOUNTINGS The present invention relates to steering assemblies having resilient mountings. It is particularly suitable for steering rack assemblies but is also applicable to activators for hydraulically activated steering systems.
Currently steering assemblies are mounted either directly to the vehicle or on simple rubber isolation components which reduce the noise transmitted into the vehicle structure. If rubber isolation components are used they are generally made very hard to avoid suspension geometry setting problems and driver criticisms of vagueness.
The present invention provides a steering apparatus comprising a steering assembly and at least one resilient mounting means, wherein the or each resilient mounting means includes rigid fixing means and resilient isolation means allowing limited movement of the steering assembly relative to the fixing means wherein the isolation means has at least one cavity therein to make the resilience of the isolation means directionally dependent.
Preferred embodiements of the present invention will now be described by way of example only with reference to the accompanying drawings in which: Figure 1 is a view of a steering apparatus according to a first embodiment of the invention; Figure 2 is a section on line A-A of Figure 1; Figure 3 is a view on arrow B of Figure 2; Figure 4 is a view of a steering apparatus according to a second embodiment of the invention, and Figure 5 is a section through a mounting of the apparatus of Figure 4.
Referring to Figure 1 a steering apparatus 10 comprises a steering assembly 12 and mountings 14. The steering assembly 12 is a conventional rack and pinion assembly with a track rod and rack and one end of a steering shaft 16 and a pinion enclosed in a housing 18. At each end the housing 18 has a pair of lugs 20 which form part of the mounting means 14. As can best be seen in Figures 2 & 3 each of the lugs 20 has a bore 22 through it with a mounting bush 24 therein. Each mounting bush 24 comprises concentric inner and outer sleeves 26, 28 with a tubular cushion of rubber 30 between them. The rubber cushion 30 has a pair of voids 32, 33 extending through it parallel to the axis of the bush 24, each of which is part-annular in cross section and extends through about 90 degrees round the bush axis.
The bushes are arrangea so that the resilience of the rubber cushions 30 is least in the direction of the axis of the steering assembly 12. This can improve shimmy sensitivity of the vehicle caused by suspension geometry and wheel imbalance problems.
The shape of the voids could be varied. For example a plurality of voids of circular cross section could used.
It would also be possible to tune the orientation of the bushes to damp out vibrations in other directions which may be desirable due to particular vehicle characteristics or performance requirements.
Also instead of the voids 32, 33 it would be possible to use cavities in the rubber cushions 30 filled with a material of different resilience to the rubber cushions.
Refering to Figures 4 & 5 the second embodiment of the invention is similar to the first with corresponding components labelled by corresponding numerals prefix by a 1, except that the mounting means at one end, that furthest from the steering column 116 comprised a sliding mounting means 140 which, while supporting the steering assembly 112, allows it to slide axially. The mounting means 114 at the other end of the steering assembly is identical to that in the apparatus of Figure 1, comprising two lugs 120 and two bushes 124.
The sliding mounting 140 comprises a rubber bush 142 supported in a bracket 144. The inner surface 146 of the rubber bush 142 is covered with a low friction coating such as PTFE to enable the casing 118 to slide through it.
Thus all the axial support for the steering assembly 112 is provided by the resilient mounting bushes 124 which can be tuned as described above with reference to Figures 1 to 3.

Claims (11)

1. A steering aparatus comprising a steering assembly and at least one resilient mounting means, wherein the or each resilient mounting means includes rigid fixing means anu resilient isolation means allowing limited movement of the steering assembly relative to the fixing means wherein the isolation means has at least one cavity therein to make the resilience of the isolation means directionally dependent.
2. A steering apparatus according to claim 1 wherein the fixing means extends through the isolation means.
3. A steering apparatus according to any foregoing claim wherein the isolation means comprises a resilient tubular member.
4. A steering apparatus according to any foregoing claim wherein the cavity or cavities in the isolation means extend parallel to the fixing means.
5. A steering apparatus according to any foregoing claim wherein the cavity or at least one of the cavities is part-annular in cross section.
6. A steering apparatus according to any foregoing claim wherein at least one of the resilient mounting means includes lug means on the steering assembly.
7. A steering apparatus according to claim 6 wherein the lug means is formed integrally with a part of the steering assembly.
8. A steering apparatus according to any foregoing claim further comprising at least one sliding mounting means which supports the steering assembly but allows it to slide relative to the sliding mounting means.
9. A steering apparatus according to claim 8 wherein the sliding mounting means allows the steering assembly to slide axially.
10. A steering apparatus accoridng to claim 8 or claim 9 wherein the resilient mounting means is near one end of the steering assembly and the sliding mounting means is near the other end.
11. A steering apparatus substantially as hereinbefore described with reference to the accompanying drawings.
GB9300675A 1993-01-15 1993-01-15 Steering assembly mountings Expired - Lifetime GB2274263B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9300675A GB2274263B (en) 1993-01-15 1993-01-15 Steering assembly mountings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300675A GB2274263B (en) 1993-01-15 1993-01-15 Steering assembly mountings

Publications (3)

Publication Number Publication Date
GB9300675D0 GB9300675D0 (en) 1993-03-03
GB2274263A true GB2274263A (en) 1994-07-20
GB2274263B GB2274263B (en) 1995-10-25

Family

ID=10728718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300675A Expired - Lifetime GB2274263B (en) 1993-01-15 1993-01-15 Steering assembly mountings

Country Status (1)

Country Link
GB (1) GB2274263B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011000311A1 (en) 2011-01-05 2012-07-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Insert body for insertion into bearing device for connecting e.g. suspension and supporting part of motor car, has projection part provided with surface, where body has lower elasticity and is adapted to opening of portion of bearing device
CN102829113A (en) * 2012-09-24 2012-12-19 广西柳工机械股份有限公司 Drum-type shock absorption suspension device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316599A (en) * 1969-06-13 1973-05-09 Paulstra Sa Shock absorbing devices for vehicle steering columns
US4157227A (en) * 1977-06-14 1979-06-05 Lemforder Metallwaren Ag Resilient mounting bushing
EP0289754A1 (en) * 1987-04-29 1988-11-09 Ford-Werke Aktiengesellschaft Control lever arrangement for the automatic transmission of a motor vehicle
US4984928A (en) * 1988-12-21 1991-01-15 Hutchinson Resilient joint with differentiated radial stiffness
EP0412863A1 (en) * 1989-08-08 1991-02-13 Automobiles Peugeot Elastic articulation, especially for the assembly of an axle of a motor vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316599A (en) * 1969-06-13 1973-05-09 Paulstra Sa Shock absorbing devices for vehicle steering columns
US4157227A (en) * 1977-06-14 1979-06-05 Lemforder Metallwaren Ag Resilient mounting bushing
EP0289754A1 (en) * 1987-04-29 1988-11-09 Ford-Werke Aktiengesellschaft Control lever arrangement for the automatic transmission of a motor vehicle
US4984928A (en) * 1988-12-21 1991-01-15 Hutchinson Resilient joint with differentiated radial stiffness
EP0412863A1 (en) * 1989-08-08 1991-02-13 Automobiles Peugeot Elastic articulation, especially for the assembly of an axle of a motor vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011000311A1 (en) 2011-01-05 2012-07-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Insert body for insertion into bearing device for connecting e.g. suspension and supporting part of motor car, has projection part provided with surface, where body has lower elasticity and is adapted to opening of portion of bearing device
CN102829113A (en) * 2012-09-24 2012-12-19 广西柳工机械股份有限公司 Drum-type shock absorption suspension device

Also Published As

Publication number Publication date
GB2274263B (en) 1995-10-25
GB9300675D0 (en) 1993-03-03

Similar Documents

Publication Publication Date Title
EP0386735B1 (en) Upper support for shock absorber in a suspension system
US6312340B1 (en) Hollow drive shaft with integrated vibration absorber
US6921066B2 (en) Connector assembly and connecting device for steering wheel
EP0479548B1 (en) Shock dampening mount
EP1800914A1 (en) Strut mount
GB2369174A (en) A rubber mounting for a vehicle suspension
KR20020096940A (en) Damper mechanism of steering apparatus
JPS6361536B2 (en)
US5064176A (en) Upper support for shock absorber in suspension system
JP2003511295A (en) Electric power steering assist mechanism
US5295670A (en) Steering coupling structure having cylindrical bushing with hollow portions
US4121813A (en) Vibration control bush assembly
KR20010033311A (en) Flexible mount, especially an engine mount for motor vehicles
GB2274263A (en) Steering assembly mounting.
US3180594A (en) Engine mount
GB2368894A (en) A steering column assembly for a vehicle
KR102187630B1 (en) Suspension apparatus for vehicle and manufacturing method thereof
US2497252A (en) Dampener
JP2007064353A (en) Swing damping device
KR950006213A (en) Mount structure of the car engine
JPH08156551A (en) Suspension arm mounting structure in suspension device
JPH1047433A (en) Suspension bushing
JPH0730807B2 (en) Upper support for suspension
JPH06129460A (en) Vibro-isolating bush
KR101267620B1 (en) Telescopic Steering Apparatus for Vehicle

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20011127

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20130114

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20131128 AND 20131204