WO2016185655A1 - 滑り軸受及びそれを具備した軸受機構 - Google Patents
滑り軸受及びそれを具備した軸受機構 Download PDFInfo
- Publication number
- WO2016185655A1 WO2016185655A1 PCT/JP2016/001852 JP2016001852W WO2016185655A1 WO 2016185655 A1 WO2016185655 A1 WO 2016185655A1 JP 2016001852 W JP2016001852 W JP 2016001852W WO 2016185655 A1 WO2016185655 A1 WO 2016185655A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- bearing
- sliding
- shaft
- peripheral surface
- Prior art date
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Classifications
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- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/063—Sliding contact bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—Sliding-contact bearings
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/002—Elastic or yielding linear bearings or bearing supports
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
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- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
- F16H55/28—Special devices for taking up backlash
- F16H2055/281—Cylindrical or half-cylindrical bushings around the rack, e.g. using special wedges to reduce play
Definitions
- the present invention provides, for example, a sliding bearing and a bearing interposed between a rack shaft and a cylinder housing the rack shaft in order to support a rack shaft of a rack and pinion type steering device of an automobile so that the rack shaft can freely move.
- the present invention relates to a bearing mechanism provided.
- a sliding bearing made of a synthetic resin is used as a bearing that supports a rack shaft of an automobile rack and pinion type steering device so that the rack shaft can move linearly with respect to a cylindrical body.
- Sliding bearings have the advantages of lower cost and better vibration absorption than rolling bearings.
- a sliding bearing is provided with a rack shaft and a cylinder.
- an elastic ring such as an O-ring
- the elastic ring is elastically deformed by the swinging of the rack shaft with respect to the cylinder during traveling, etc.
- an abnormal noise a so-called rattle noise
- rattle noise may be generated by the collision of the outer surface of the bearing body of the bearing with the inner peripheral surface of the cylindrical body, and such a rattle noise may cause discomfort to the vehicle occupant.
- a steering column shaft hereinafter referred to as a column shaft
- a steering column tube hereinafter referred to as a column tube
- the present invention has been made in view of the above-mentioned points, and the object of the present invention is to eliminate collisions with tubes such as column tubes and cylinders, and to prevent abnormal sounds (rattle sounds) caused by the collisions. It is an object of the present invention to provide a sliding bearing that can eliminate the risk of occurrence and a bearing mechanism including such a bearing.
- the sliding bearing according to the present invention includes a bearing body and an elastic ring attached to the bearing body, and the bearing body extends from one end surface in the axial direction to the front of the other end surface in the axial direction.
- One slit, the other slit extending from the other end surface to the front of the one end surface, an inner surface having a sliding surface, at least one groove and at least one protrusion each receiving an elastic ring, respectively.
- the outer peripheral surface of the elastic ring is brought into contact with the inner peripheral surface of the tube with a tightening margin
- the bearing body is arranged in the hollow portion defined by the inner peripheral surface of the tube, and is slid A slide bearing for tightening the shaft with the elastic force of the elastic ring and mounting the bearing body on the outer peripheral surface of the shaft so as to be relatively slidable and interposed between the tube and the shaft.
- the projection is adapted to contact with the inner peripheral surface of the tube.
- the at least one protrusion is adapted to contact the inner peripheral surface of the tube when the sliding bearing is interposed between the tube and the shaft.
- the bearing is interposed between the tube and the shaft, the collision between the inner peripheral surface of the tube and the outer surface of the bearing body can be eliminated, and the possibility of the occurrence of abnormal noise (rattle noise) due to the collision can be eliminated.
- the at least one protrusion preferably has a semicircular cross section, but is not limited thereto, and may be, for example, a semielliptical cross section, a rectangular shape, or the like.
- the diameter of the outer peripheral surface of a protrusion should just be the same diameter as the diameter of the inner peripheral surface of a tube, Preferably it is larger than the inner peripheral surface of a tube.
- the shaft may be a rack shaft, and the tube may be a cylindrical body.
- the shaft may be a column shaft, and the tube may be a column tube.
- other shafts and tubes may be used.
- the elastic ring may be a so-called O-ring having a circular cross section, but may be another elastic ring having an X-shaped cross section, a U-shaped cross section, a rectangular cross section, or a trapezoidal cross section.
- the elastic material to be formed may be any of natural rubber, synthetic rubber, and thermoplastic synthetic resin having elasticity, for example, polyester elastomer.
- the elastic ring for giving the tightening allowance depends on the elastic coefficient of the elastic ring, but before mounting on the bearing body, the outer diameter is about 0.3 mm to 1.0 mm than the diameter of the inner peripheral surface of the tube.
- it has a tightening margin with respect to the inner peripheral surface of the tube.
- the shaft is protruded from the outer surface of the bearing body and the diameter of the bearing body is reduced to such an extent that the clearance between the sliding surface and the shaft becomes zero by tightening the shaft with an appropriate elastic force through the sliding surface.
- one slit opened at the inner surface and outer surface of the bearing body in the radial direction is also opened at one end surface of the bearing body in the axial direction, and the other slit opened at the inner surface and outer surface of the bearing body in the radial direction.
- the slits in the axial direction are also open at the other end surface of the bearing body, and the one and the other slits for obtaining the reduced diameter of the bearing body are preferably plural, and the plural one and other slits are provided.
- the slits are arranged symmetrically about the axis in order to obtain the uniform reduced diameter.
- the sliding surface includes a plurality of sliding surface portions arranged in the direction around the axis with one and the other slits in the direction around the axis, and each sliding surface portion
- the concave surface has the same curvature as that of the outer peripheral surface of the shaft, but may be another flat surface or an arc-shaped convex surface.
- the inner surface of the bearing body further includes an enlarged inner surface having a diameter larger than that of the sliding surface, and the protrusion is located at a position corresponding to the radially inner surface in the radial direction. It is formed on the outer surface.
- the protrusion is formed on the outer surface of the bearing body at a position corresponding to the radially inner surface in the radial direction, the reaction force from the tube due to excessive contact of the protrusion with the inner peripheral surface of the tube will be reduced. It can be absorbed by the bending deformation of the bearing main body, and contact with the outer peripheral surface of the shaft of the expanded inner surface can be avoided, and the mobility of the shaft with respect to the bearing main body can be secured.
- the groove is composed of a plurality of, more preferably two, spaced apart from each other in the axial direction, and when the groove is composed of a plurality of grooves, preferably at least two of the grooves are elastic.
- the ring is accepted.
- the bearing main body including the sliding surface and the protrusion is preferably integrally formed from a synthetic resin.
- thermoplastic synthetic resins such as polyacetal resin, polyamide resin, polyethylene resin, and ethylene tetrafluoride resin.
- the movable mounting may be either a rotating mounting, a direct-moving mounting, or a rotating and direct-moving mounting in relation to the shaft.
- a bearing mechanism includes a tube, a shaft inserted into the tube, and the sliding bearing according to any one of the aspects interposed between the tube and the shaft.
- the bearing body is fitted to the inner peripheral surface of the tube with a tightening margin at its outer peripheral surface, and the bearing body is formed in a hollow portion defined by the inner peripheral surface of the tube with a gap between the outer surface and the inner peripheral surface of the tube.
- the shaft is attached to the outer peripheral surface of the shaft by tightening the shaft with the elastic force of the elastic ring via the sliding surface, and the protrusion is in contact with the inner peripheral surface of the tube.
- the bearing mechanism according to the present invention since the above-described sliding bearing is provided, it is possible to eliminate the collision noise with the tube and to make the steering operation and the like smoother.
- the sliding bearing which can eliminate the collision noise with tubes, such as a column tube and a cylinder, and can eliminate generation
- FIG. 1 is an explanatory view showing a sliding bearing as a preferred example of the present invention in a section taken along line II in FIG.
- FIG. 2 is an explanatory diagram of the left side surface of the slide bearing in which the elastic ring of the example shown in FIG. 1 is omitted.
- FIG. 3 is an explanatory diagram on the right side of the slide bearing in which the elastic ring of the example shown in FIG. 1 is omitted.
- 4 is a cross-sectional explanatory view taken along the line IV-IV in FIG. 3 of the slide bearing in which the elastic ring of the example shown in FIG. 1 is omitted.
- FIG. 5 is a cross-sectional explanatory view taken along the line VV of FIG.
- FIG. 6 is an explanatory plan view of the plain bearing of the example shown in FIG.
- FIG. 7 is a cross-sectional explanatory view of another preferred example of the present invention.
- a bearing mechanism 2 having a sliding bearing 1 for a rack shaft of a rack and pinion type steering device as a sliding bearing has a cylindrical cylindrical body as a tube having a cylindrical inner peripheral surface 3. (Hereinafter referred to as a tube) 4 and a cylindrical shape as a shaft that is inserted into a cylindrical hollow portion 5 defined in the inner peripheral surface 3 within the tube 4 and has a cylindrical outer peripheral surface 6
- the rack bearing 7 is provided, and the slide bearing 1 is interposed between the tube 4 and the rack shaft 7.
- the sliding bearing 1 includes a bearing body 11 and two elastic rings 13 and 14 attached to the outer surface 12 of the bearing body 11.
- the bearing body 11 includes a cylindrical central portion 21 in the axial direction A, one cylindrical axial end portion 23 between the one annular end surface 22 and the central portion 21 in the axial direction A, and the axial direction A.
- the other annular axial end surface 24 between the other annular end surface 24 and the central portion 21, and the end surface 22 to the front of the end surface 24 extend in the axial direction A and the direction R around the axis O
- a plurality of (six) slits 26 arranged in the axial direction A and the other plurality (six) of slits 27 arranged in the direction R.
- a cylindrical enlarged inner surface 30 provided at the axial end 25 a cylindrical inner surface 31 between the enlarged inner surface 29 and the sliding surface 28 in the axial direction A, and an enlarged inner surface 30 in the axial direction A
- An annular groove 34, one and the other annular projections 35 and 36 provided at the axial ends 23 and 25 with two grooves 34 in the axial direction A therebetween, and an annular hook for locking 37 has a cylindrical outer surface 12 formed respectively.
- the expanded inner surface 29 is connected to one end 41 in the axial direction A of the inclined inner surface 31 at one end 41 in the axial direction A and is parallel to the sliding surface 28 and extends in the axial direction A. And one end 43 in the axial direction A is connected to the other end 44 in the axial direction A of the surface 42, and the other end 43 a in the axial direction A is connected to the annular inner diameter edge of the end surface 22.
- the tapered inner surface 30 is connected to one end 46 in the axial direction A at one end in the axial direction A of the inclined inner surface 32.
- a cylindrical surface 47 which is parallel to the sliding surface 28 and has the same diameter as the surface 42 and extends in the axial direction A, and one end 48 in the axial direction A and the other end 49 in the axial direction A of the surface 47.
- In the axial direction A Was connected to an annular inner diameter edge of the end face 24 at the other end 48a, moreover, and a tapered surface 50 which is diameter gradually brought from the one end 48 toward its said other end 48a.
- the cylindrical central portion 21, the cylindrical sliding surface 28, the cylindrical inclined inner surface 31, the cylindrical inclined inner surface 32, the two annular grooves 34, and the annular projections 35 and 36 are respectively the slit 26 and 27, the cylindrical end surface 22, the cylindrical axial end portion 23, and the cylindrical diameter-expanded inner surface 29 having the surface 42 and the tapered surface 45 are respectively formed by the slit 26, and the annular end surface 24, the cylinder
- the radially enlarged inner surface 30 and the flange 37 each having the axial end 25, the surface 47, and the tapered surface 50 are divided in the direction R by the slits 27, respectively.
- the bearing body 11 including the central portion 21, the axial end portion 23, the axial end portion 25, the projections 35 and 36, and the flange 37 is integrally formed from synthetic resin, and the projection 35 in the axial direction A on the inner surface 33.
- the sliding surface 28 provided at a position corresponding to the position in the radial direction B between the positions 36 and 36 includes a plurality (10 pieces) of sliding surfaces arranged in the direction R with the slits 26 and 27 therebetween.
- Each of the sliding surface portions 61 is composed of an arcuate concave surface having the same curvature as that of the outer peripheral surface 6 having the diameter r1 and is formed between the sliding surface portions 61 facing each other in the radial direction B.
- each of the enlarged inner surface 29 and 30, each of the sliding surface 61 is adapted to form a gap 65 and 66 in the radial direction B with respect to the outer circumferential surface 6 in contact.
- the bearing body 11 further includes a plurality of grooves 72 formed on the outer surface 12 corresponding to the respective slits 27, and each of the plurality of grooves 72 has one end 75 in the axial direction A opened at the end surface 22. , And the other end 76 in the axial direction communicating with the corresponding slit 27.
- Each of the elastic rings 13 and 14 is fitted in contact with the inner peripheral surface 3 with a tightening margin at the annular outer peripheral surface 81, and thus the bearing body 11 is connected to the outer surface 12 in the radial direction B.
- a cylindrical gap 82 in the radial direction B is disposed in the hollow portion 5 between the inner peripheral surface 3 and the outer peripheral surface 6 of the rack shaft 7 with the elastic force of the elastic rings 13 and 14 at each sliding surface portion 61. It is fastened and moved relatively to the outer peripheral surface 6, that is, mounted so as to be able to move in the axial direction A and to rotate in the direction R, and is interposed between the tube 4 and the rack shaft 7.
- the circular protrusions 35 and 36 are in contact with the inner peripheral surface 3 at the annular outer peripheral surface 81.
- a plurality of fitting recesses 91 are formed on the inner peripheral surface 3 so as to correspond to the plurality of flanges 37, and the flanges 37 corresponding to the respective fitting recesses 91 are fitted, whereby a sliding bearing is formed. 1 is fixed to the inner peripheral surface 3.
- the rack shaft 7 can be moved directly in the axial direction A with respect to the tube 4 and in the direction R. Since the projections 35 and 36 are in contact with the inner peripheral surface 3 at the outer peripheral surface 81, the collision between the tube 4 and the outer surface 12 can be eliminated, and abnormal noise caused by the collision can be eliminated. The possibility of generating (rattle noise) can be eliminated.
- the protrusions 35 and 36 are provided on the axial end portions 23 and 25, and the diameter-enlarged inner surfaces 29 and 30 of the axial end portions 23 and 25 respectively correspond to the outer peripheral surface 6. Since the gaps 65 and 66 in the radial direction B are formed, the bending deformation in the radial direction B of the axial ends 23 and 25 can be allowed.
- the elastic ring 13 and 14 can ensure the tightening of the outer peripheral surface 6 at the sliding surface portion 61 by the elastic force of 14, and thus the linear support in the axial direction A with respect to the tube 4 of the rack shaft 7 and the rotation in the direction R are possible. Support.
- the bearing body 11 shown in FIGS. 1 to 6 includes two protrusions 35 and 36 formed on the outer surface 12 at positions corresponding to the radially expanded inner surfaces 29 and 30 in the radial direction B.
- the bearing body 11 in the sliding bearing 1 including the bearing body 11 and the two elastic rings 13 and 14 attached to the outer surface 12 of the bearing body 11, the bearing body 11 has a groove in the axial direction A. 34 and may be provided with one protrusion 92 formed on the outer surface 12 of the central portion 21.
- the inner surface 33 is provided on the central portion 21.
- a cylindrical sliding surface 94 provided in the central portion 21 and the axial end portions 23 and 25 except for a portion of the enlarged diameter inner surface 93 and one groove.
- the protrusion 92 and the enlarged inner surface 93 are formed by the slits 26 and 27, the sliding surface 94 at the axial end 23 is formed by the slit 26, and The sliding surface 94 at the axial end 25 is divided in the direction R by the slits 27, and thus the sliding surface 94 at the axial end 23 is similar to the sliding surface 28. It consists of a plurality (10 pieces) of sliding surface portions 95 arranged in the direction R with the slit 26 in the direction R, and the sliding surface 94 at the axial end 25 has the slit 27 in the direction R.
- the sliding surface portions 96 and 96 are arranged in the direction R, and the sliding surface portions 95 and 96 are formed in the same manner as the sliding surface portion 61. Within the expanded diameter that divides the sliding surface 94 in the axial direction A 93, thereby forming a gap 97 in the radial direction B with respect to the outer peripheral surface 6 each of the sliding surface portions 95 and 96 are in contact.
- the rack shaft 7 can be directly moved in the axial direction A with respect to the tube 4 and the direction R
- the protrusion 92 is formed on the outer surface 12 of the central portion 21 at a position corresponding to the radially expanded inner surface 93 in the radial direction B so that the protrusion 92 contacts the inner peripheral surface 3 at the outer peripheral surface 98. Therefore, the collision between the tube 4 and the outer surface 12 can be eliminated, and there is no possibility of an abnormal noise (rattle noise) due to the collision, and the enlarged diameter inner surface 93 forms a gap 97.
- the bending deformation of the central portion 21 in the radial direction B can be allowed.
- the reaction force from the tube 4 due to excessive contact of the protrusion 92 with the inner peripheral surface 3 of the tube 4 is reduced.
- Can be absorbed by 21 flexural deformation and within the expanded diameter 93 can be prevented from contacting the outer peripheral surface 6 of the rack shaft 7, so that the rack shaft 7 can be moved in the axial direction A with respect to the tube 4 and can be rotated in the direction R, that is, The mobility of the rack shaft 7 with respect to the bearing body 11 can be ensured.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Support Of The Bearing (AREA)
- Sliding-Contact Bearings (AREA)
- Steering Controls (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
2 軸受機構
3 内周面
4 チューブ
5 中空部
6 外周面
7 ラック軸
11 軸受本体
12 外面
13、14 弾性リング
21 中央部
22、24 端面
23、25 軸方向端部
26、27 スリット
28 摺動面
29、30 拡径内面
31、32 傾斜内面
33 内面
34 溝
35、36 突起
37 鍔
Claims (8)
- 軸受本体と、この軸受本体に装着された弾性リングとを具備しており、軸受本体は、軸方向のその一方の端面から軸方向のその他方の端面の手前まで伸びた一方のスリットと、当該他方の端面から当該一方の端面の手前まで伸びた他方のスリットと、摺動面を有した内面と、弾性リングを受容した少なくとも一つの溝及び少なくとも一つの突起が夫々形成された外面とを具備しており、締め代をもってチューブの内周面に弾性リングの外周面を接触させて当該チューブの内周面で規定される中空部に軸受本体を配し、摺動面でシャフトを弾性リングの弾性力をもって締め付けて軸受本体をシャフトの外周面に相対的に滑り移動自在に装着して、チューブとシャフトとの間に介在させるための滑り軸受であって、当該滑り軸受がチューブとシャフトとの間に介在された際には、突起は、チューブの内周面に接触するようになっている滑り軸受。
- シャフトは、ステアリングコラムシャフトであり、チューブは、ステアリングコラムチューブである請求項1に記載の滑り軸受。
- シャフトは、ラック軸であり、チューブは、筒体である請求項1に記載の滑り軸受。
- 摺動面は、軸心周りの方向において一方及び他方のスリットを間にして当該軸心周りの方向に配された複数の摺動面部からなり、各摺動面部は、シャフトの外周面の曲率と同一の曲率を有している凹面である請求項1から3のいずれか一項に記載の滑り軸受。
- 軸受本体の内面は、摺動面よりも大径の拡径内面を更に有しており、突起は、拡径内面に対して径方向において対応する位置で軸受本体の外面に形成されている請求項1から4のいずれか一項に記載の滑り軸受。
- 溝を複数有しており、複数の溝は、軸方向において互いに離間されており、複数の溝の夫々に弾性リングが受容されている請求項1から5のいずれか一項に記載の滑り軸受。
- 摺動面及び突起を含んで軸受本体は、合成樹脂から一体成形されたものである請求項1から6のいずれか一項に記載の滑り軸受。
- チューブと、このチューブ内に挿着されたシャフトと、チューブとシャフトとの間に介在された請求項1から7のいずれか一項に記載の滑り軸受とを具備しており、弾性リングは、その外周面で締め代をもってチューブの内周面に嵌装されており、軸受本体は、その外面とチューブの内周面との間に隙間をもってチューブの内周面で規定される中空部に配されていると共に摺動面を介してシャフトを弾性リングの弾性力をもって締め付けて当該シャフトの外周面に装着されており、突起は、チューブの内周面に接触している軸受機構。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112017023686-9A BR112017023686B1 (pt) | 2015-05-20 | 2016-03-30 | Mecanismo de mancal de deslizamento |
EP16796052.5A EP3299647B1 (en) | 2015-05-20 | 2016-03-30 | Slide bearing and bearing mechanism provided with same |
US15/571,341 US10508685B2 (en) | 2015-05-20 | 2016-03-30 | Sliding bearing and bearing mechanism having the same |
CN201680028640.0A CN107614903B (zh) | 2015-05-20 | 2016-03-30 | 滑动轴承及具有滑动轴承的轴承机构 |
KR1020177033182A KR102394389B1 (ko) | 2015-05-20 | 2016-03-30 | 미끄럼 베어링 및 이를 구비한 베어링 기구 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015103261A JP6572624B2 (ja) | 2015-05-20 | 2015-05-20 | 滑り軸受及びそれを具備した軸受機構 |
JP2015-103261 | 2015-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016185655A1 true WO2016185655A1 (ja) | 2016-11-24 |
Family
ID=57319732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/001852 WO2016185655A1 (ja) | 2015-05-20 | 2016-03-30 | 滑り軸受及びそれを具備した軸受機構 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10508685B2 (ja) |
EP (1) | EP3299647B1 (ja) |
JP (1) | JP6572624B2 (ja) |
KR (1) | KR102394389B1 (ja) |
CN (1) | CN107614903B (ja) |
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JP6435969B2 (ja) * | 2015-03-31 | 2018-12-12 | 株式会社デンソー | Egr装置 |
JP6783719B2 (ja) * | 2017-08-03 | 2020-11-11 | オイレス工業株式会社 | 軸受およびステアリング機構 |
DE112019003665T5 (de) * | 2018-07-20 | 2021-04-22 | Nsk Ltd. | Lenkgetriebeeinheit des Zahnstangentyps |
CN112097739A (zh) * | 2020-09-22 | 2020-12-18 | 南京壹捌零安全科技有限公司 | 一种测斜机器人及倾斜度测量方法 |
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JP2007187285A (ja) * | 2006-01-16 | 2007-07-26 | Jtekt Corp | ブッシュ軸受及びそれを用いた自動車のラック−ピニオン式操舵装置 |
JP2008074218A (ja) * | 2006-09-20 | 2008-04-03 | Jtekt Corp | ステアリング装置 |
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FR2298728A1 (fr) | 1975-01-22 | 1976-08-20 | Chromex Sa | Palier elastique composite |
JPS5639747A (en) | 1979-09-07 | 1981-04-15 | Nakajimaya Shoten:Goushi | Production of bean-jam bun containing "nozawana" |
FR2674918B1 (fr) | 1991-04-05 | 1995-05-19 | Ardepa | Palier coulissant. |
DE19615824A1 (de) | 1996-04-20 | 1997-10-23 | Igus Gmbh | Gleitlager |
JP4096393B2 (ja) | 1997-11-13 | 2008-06-04 | オイレス工業株式会社 | ステアリングコラム用軸受及びこれを用いた軸受装置 |
US6485180B2 (en) | 2001-01-04 | 2002-11-26 | Delphi Technologies, Inc. | Expandable rack bushing |
JP4273703B2 (ja) * | 2002-05-09 | 2009-06-03 | オイレス工業株式会社 | ブッシュ軸受 |
JP2008215576A (ja) | 2007-03-07 | 2008-09-18 | Toshiba Corp | すべり軸受 |
JP5461350B2 (ja) * | 2010-09-08 | 2014-04-02 | 株式会社ショーワ | 滑り軸受 |
JP6034812B2 (ja) * | 2014-01-23 | 2016-11-30 | 株式会社ショーワ | ブッシュ軸受の構造 |
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JP2004347105A (ja) * | 2002-08-28 | 2004-12-09 | Oiles Ind Co Ltd | 滑り軸受及びそれを具備した軸受機構 |
JP2007187285A (ja) * | 2006-01-16 | 2007-07-26 | Jtekt Corp | ブッシュ軸受及びそれを用いた自動車のラック−ピニオン式操舵装置 |
JP2008074218A (ja) * | 2006-09-20 | 2008-04-03 | Jtekt Corp | ステアリング装置 |
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EP3299647B1 (en) | 2021-05-26 |
CN107614903A (zh) | 2018-01-19 |
KR102394389B1 (ko) | 2022-05-04 |
US20180283448A1 (en) | 2018-10-04 |
BR112017023686A2 (ja) | 2018-07-17 |
CN107614903B (zh) | 2019-10-18 |
EP3299647A4 (en) | 2018-12-26 |
JP2016217458A (ja) | 2016-12-22 |
US10508685B2 (en) | 2019-12-17 |
KR20180008491A (ko) | 2018-01-24 |
EP3299647A1 (en) | 2018-03-28 |
BR112017023686B1 (pt) | 2022-01-18 |
JP6572624B2 (ja) | 2019-09-11 |
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