WO2008004338A1 - Palier de glissement par poussée et mécanisme formé en combinant le palier de glissement par poussée avec une tige de piston - Google Patents

Palier de glissement par poussée et mécanisme formé en combinant le palier de glissement par poussée avec une tige de piston Download PDF

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Publication number
WO2008004338A1
WO2008004338A1 PCT/JP2007/000686 JP2007000686W WO2008004338A1 WO 2008004338 A1 WO2008004338 A1 WO 2008004338A1 JP 2007000686 W JP2007000686 W JP 2007000686W WO 2008004338 A1 WO2008004338 A1 WO 2008004338A1
Authority
WO
WIPO (PCT)
Prior art keywords
annular
bearing
bearing body
thrust
sheet metal
Prior art date
Application number
PCT/JP2007/000686
Other languages
English (en)
Japanese (ja)
Inventor
Ryohei Kaneko
Atsushi Yoshida
Original Assignee
Oiles Corporation
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 Oiles Corporation filed Critical Oiles Corporation
Publication of WO2008004338A1 publication Critical patent/WO2008004338A1/fr

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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
    • 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
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/30—Fluoropolymers
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/60—Polyamides [PA]
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/66—Acetals, e.g. polyoxymethylene [POM]
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/70—Polyesters, e.g. polyethylene-terephthlate [PET], polybutylene-terephthlate [PBT]
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/76—Polyolefins, e.g. polyproylene [PP]
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Definitions

  • the present invention relates to a thrust sliding bearing, particularly a thrust sliding bearing that is suitably incorporated as a sliding bearing for a strap-type suspension (MacPherson type) in a four-wheeled vehicle, and the thrust sliding bearing and the biston rod. Concerning the combination mechanism.
  • Patent Document 1 Japanese Patent Laid-Open No. 8_3 2 6 7 5 8
  • Patent Document 2 Japanese Laid-Open Patent Publication No. 2 0 4-2 6 3 7 7 3
  • Patent Document 3 Japanese Patent Laid-Open No. 2 0 0 4 _ 2 2 5 7 5 4
  • a strap suspension used for the front wheels of a four-wheeled vehicle generally has a structure in which a coil spring is combined with a strap assembly in which a hydraulic shock absorber is built in an outer cylinder integrated with a main shaft.
  • a suspension when the strut assembly rotates together with the coil spring in the steering operation, there are a type in which the piston rod of the strut assembly rotates, and a type in which the piston rod does not rotate.
  • the roller is replaced with a re-bearing between the mounting mechanism of the strut assembly on the vehicle body and the upper spring seat member of the coil spring. Thrust bearings made of rubber may be used.
  • an attachment plate is used to support one end of the biston rod of the hydraulic shock absorber. If such an attachment mechanism is used, Support one end of the piston rod In addition to requiring a mounting plate to hold, it has a complicated structure, resulting in high costs.
  • the present invention has been made in view of the above-mentioned points, and an object of the present invention is to support one end of a screw rod in place of a mounting plate of a mechanism for mounting a strap assembly to a vehicle body. Accordingly, it is an object of the present invention to provide a thrust sliding bearing that can simplify the mounting mechanism and reduce the cost, and a combination mechanism of this thrust sliding bearing and a biston rod.
  • the thrust sliding bearing of the present invention includes an annular first bearing body made of a synthetic resin having an annular lower surface, and a relative to the first bearing body around the axis of the first bearing body.
  • An annular second bearing body made of a synthetic resin having an annular upper surface facing the annular lower surface of the first bearing body, and an annular lower surface of the first bearing body and the first bearing body.
  • a thrust sliding bearing means interposed between the annular upper surfaces of the two bearing bodies, and an annular concave step formed on the annular upper surface of the first bearing body.
  • the annular sheet metal has an outer diameter larger than the inner diameter of the first and second bearing bodies, and the first and second bearing bodies. The inner diameter is smaller than the inner diameter.
  • the first and second bearing bodies have an outer diameter larger than the inner diameter and are smaller than the inner diameters of the first and second bearing bodies. Since the annular sheet metal having an inner diameter is disposed in the annular concave step formed on the annular upper surface of the first bearing body and is fixed to the first bearing body, One end of the rod can be supported, and the mounting plate for supporting one end of the biston rod in the mounting mechanism of the strap assembly to the vehicle body can be omitted, and thus the mounting mechanism can be simplified and the cost can be reduced.
  • the annular sheet metal may be fixed to the first bearing body simply by fitting the annular sheet metal closely to the first bearing body in the annular concave step portion, and optionally using an adhesive or the like.
  • the first bearing body has at least one projection projecting into the annular concave step portion, and the projection of the first bearing body is fitted into the annular sheet metal.
  • the first bearing body has at least one recess that opens in the annular recess step instead of or together with this
  • the annular sheet metal may have a protrusion that fits into the recess of the first bearing body, and thus the annular connection to the first bearing body is achieved by fitting the protrusion with the through hole or recess.
  • the sheet metal may be fixed.
  • Each of the protrusion and the through hole or the recess may be one, but it is preferable that there are two or more.
  • the annular concave step portion may have a cylindrical or square tube-shaped radial step side surface.
  • the annular sheet metal has a shape complementary to the step side surface of the annular concave step portion. It is preferable to have an outer circumferential surface in the radial direction.
  • the annular upper surface of the first bearing body includes a flat surface extending perpendicular to the axis of the first bearing body, and the annular concave step portion is provided on the flat surface. Is formed.
  • the thrust slide bearing means may include a thrust slide bearing piece made of a synthetic resin separate from the first bearing body and the second bearing body.
  • a synthetic resin-made thrust sliding bearing portion may be provided integrally with at least one of the first bearing body and the second bearing body.
  • the two bearing bodies may be made of a synthetic resin containing at least one of polyacetal resin, polyamide resin, thermoplastic polyester resin, polyolefin resin, polycarbonate resin, and fluororesin.
  • a thrust sliding bearing piece is composed of at least one of polyacetal resin, polyamide resin, thermoplastic polyester resin, polyolefin resin, and fluororesin.
  • the first and second bearing bodies may be made of a synthetic resin similar to the synthetic resin that constitutes the thrust sliding bearing piece. Synthetic resin with a good combination of synthetic resin and friction characteristics used for the sliding bearing piece is used, and an example of the desired combination is shown for the thrust sliding bearing piece and the first and second bearing bodies.
  • a combination mechanism of a thrust plain bearing and a biston rod according to the present invention in a preferred example, a combination mechanism for use in a strap-type suspension in a four-wheeled vehicle is the thrust slide bearing according to any one of the above aspects.
  • a piston rod of a shock absorber wherein the piston rod has a large-diameter portion disposed in a through hole defined by the inner peripheral surfaces of the first and second bearing bodies, and A small-diameter portion that is smaller than the large-diameter portion and is integrally formed with the large-diameter portion, and is disposed in a through hole defined by the inner peripheral surface of the annular sheet metal, and a screw engraved in the small-diameter portion
  • the annular sheet metal is sandwiched between the annular concave step surface between the large diameter portion and the small diameter portion of the piston rod and the annular surface of the nut that is screwed into the screw portion.
  • FIG. 1 is a cross-sectional view of an example of an embodiment of the present invention.
  • FIG. 2 is a plan view of the thrust slide bearing piece of the example shown in FIG.
  • FIG. 3 is a perspective view of the annular sheet metal in the example shown in FIG.
  • FIG. 4 is a cross-sectional explanatory diagram of the combination mechanism of the thrust slide bearing and the strap type suspension in the example shown in FIG.
  • FIG. 5 is a sectional view of another example of the embodiment of the present invention.
  • FIG. 6 is a plan view of the example shown in FIG.
  • FIG. 7 is a cross-sectional view of still another example of the embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION
  • the thrust sliding bearing 1 of the present example includes an upper case 3 as a synthetic resin annular first bearing body having an annular lower surface 2, and the upper case 3.
  • An annular second resin-made ring having an annular upper surface 4 which is overlapped so as to be rotatable in the R direction around the axis O of the upper case 3 and has an annular upper surface 4 facing the annular lower surface 2 of the upper case 3.
  • the upper case 3 is formed integrally with the upper case body 12 having an annular lower surface 2 and an annular inner peripheral surface 11, and the annular shape from the annular lower surface 2.
  • An annular inner hanging portion 13 that hangs down toward the upper surface 4, and an annular outer hanging portion 14 that is integrally formed with the upper case main body 12 and that is disposed radially outward from the inner hanging portion 13
  • the upper case main body 12 is integrally formed, and the annular engagement drooping portion 15 disposed radially outside the outer drooping portion 14 is integrally formed with the engagement drooping portion 15.
  • An annular engagement protrusion 17 projecting radially inward from the annular inner peripheral surface 16 of the engagement hanging portion 15 is provided.
  • annular step 2 1 extending radially outward from the inner peripheral surface 11 is formed between the inner hanging portion 13 and the inner peripheral surface 11.
  • the annular upper surface 7 includes an annular flat surface 2 2 extending perpendicular to the axis O of the upper case 3, and a substantially semi-elliptical spherical curved surface 2 3 extending continuously from one edge of the flat surface 2 2.
  • An annular concave step portion 8 is formed on the flat carrier surface 22, and the annular outer peripheral surface 2 4 of the engagement hanging portion 15 is continuous from one edge of the curved surface 2 3. Droops and extends.
  • the lower case 5 is integrally formed with an annular lower case body 3 3 having an annular upper surface 4, an annular inner peripheral surface 3 1 and an annular lower surface 3 2, and a lower case body 3 3. And an annular inner protrusion 3 4 projecting from the annular upper surface 4 toward the annular lower surface 2, and integrally formed with the lower case body 3 3, and downward from the annular lower surface 3 2 A cylindrical portion 3 5 projecting toward the upper side, and an annular engagement projecting portion 3 6 formed integrally with the lower case body 3 3 and disposed radially outside the inner projecting portion 3 4.
  • An annular engagement protrusion 38 is formed integrally with the protrusion 36 and protrudes radially outward from the annular outer peripheral surface 37 of the engagement protrusion 36.
  • the inner peripheral surface 31 is formed with an annular step portion 41 extending radially outward from the inner peripheral surface 31.
  • the inner peripheral surface 31 is annularly formed by the step portion 41. It is divided into a large-diameter inner peripheral surface 4 2 and an annular small-diameter inner peripheral surface 4 3, and the inner projecting portion 3 4 faces the stepped portion 2 1 with a gap at the tip annular surface 4 4.
  • the cylindrical portion 3 5 has the same diameter as that of the inner peripheral surface 4 2 and has an annular inner peripheral surface 4 5 extending continuously from one end of the inner peripheral surface 4 2.
  • An annular inner peripheral surface 4 6 having the same diameter as the annular inner peripheral surface 4 3 of the inner peripheral surface 3 1 of the main body 3 3 and continuously hanging from one end of the inner peripheral surface 4 3
  • the engaging protrusion 3 6 has a ring at its tip annular surface 4 7.
  • the engaging protrusion 3 8 is arranged in a snap-fitting manner on the engaging protrusion 17 due to the elastic flexibility of the engaging hanging part 15 and the engaging protrusion 36.
  • the upper case 3 and the lower case 5 are relatively engaged with each other so that the upper case 3 and the lower case 5 can rotate relative to each other around the axis O in the R direction. Interconnected.
  • Inner protruding portion 5 1 is disposed with a gap with respect to inner hanging portion 1 3 and inner hanging portion 1 3 having an annular front end surface 51 disposed with a clearance from annular upper surface 4 of lower case body 3 3
  • the inner labyrinth (maze) means is formed by 3 and 4, and this inner labyrinth means prevents the entry of mud, water, etc. from the outside into the space where the lith thrust sliding bearing piece 6 is arranged.
  • Annular tip surface 52 has outer drooping portion 14 spaced apart from annular upper surface 4 of lower case body 3 3 and clearance 14 and tip annular surface 4 7 is an annular lower surface of upper case body 12 With a gap between 2 and outside
  • An outer side labyrinth is formed by an engagement protrusion 3 6 disposed with a gap with respect to the hanging part 14 and an engagement protrusion 1 5 disposed with a gap with respect to the engagement protrusion 3 6.
  • the labyrinth means is formed, and this outer labyrinth means prevents the entry of mud, water, etc. from the outside into the space where the re-slip sliding bearing piece 6 is arranged.
  • the disc-shaped thrust sliding bearing piece 6 positioned in the radial direction by contacting the surface 56 with the annular inner peripheral surface 5 7 and the outer peripheral surface 58 relatively rotatably in the R direction is flat.
  • the flat upper surface 61 and the lower surface 6 2 that slidably contact with the annular lower surface 2 and the annular upper surface 4 respectively have a plurality of radially extending radial grooves 6 3 and a plurality of grooves 6 3.
  • the upper surface 6 1 and the lower surface 6 2 extend perpendicular to the axis O in the same manner as the annular lower surface 2 and the annular upper surface 4, and the upper surface 61 and the lower surface 6 2.
  • a lubricant such as grease can be stored.
  • the annular sheet metal 9 fixed to the upper case body 12 of the upper case 3 by using an adhesive or the like in the annular concave step portion 8 is fitted with the inner diameter r1 of the upper case body 12 and the lower case.
  • the main body 3 3 has an outer diameter r 3 larger than the inner diameter r 2 (see FIG. 4) and an inner diameter r 4 smaller than the inner diameters r 1 and r 2, and is orthogonal to the shaft center O.
  • the annular outer peripheral surface 7 4 of the annular sheet metal 9 that defines the outer diameter r 3 is arranged in the annular concave step 8 in contact with the annular concave step 8.
  • the annular concave step portion 8 has a cylindrical step side surface 75 in the radial direction, and thus the annular sheet metal 9 is in contact with the annular concave step portion 8.
  • the peripheral side surface 75 has a radially outer peripheral surface 74 having a complementary shape, and is arranged on the annular concave step portion 8 in contact with the step side surface 75 without gaps on the outer peripheral surface 74.
  • the annular concave step portion 8 is replaced with a cylindrical-shaped radial step side surface 75, instead of a square-tube-shaped radial direction.
  • the annular sheet metal 9 has a rectangular cylindrical outer peripheral surface that is complementary to the rectangular cylindrical stepped side surface of the annular concave step 8. And the outer peripheral surface may contact the step side surface of the annular concave step portion 8 without a gap and be arranged in the annular concave step portion 8.
  • such a thrust plain bearing 1 surrounds a hydraulic shock absorber (not shown) having a piston rod 8 1 and such a hydraulic shock absorber. This is used when attaching the strap type suspension 83 of the vehicle having the coil springs 82 to the vehicle body via the attachment mechanism 84.
  • a strap-type suspension 83 in a vehicle for example, a four-wheeled vehicle, includes an upper spring seat member 85 that receives one end of the coil spring 82 in addition to the hydraulic shock absorber and the coil spring 82. And a bump stopper 8 6 disposed surrounding the piston rod 8 1, and the mounting mechanism 8 4 includes an elastic member 8 8 in which a mandrel 8 7 is embedded, and a thrust sliding bearing 1 Is arranged between the elastic member 8 8 of the mounting mechanism 8 4 and the upper spring seat member 8 5 of the strap-type suspension 8 3.
  • the elastic member 8 8 includes the annular upper surface 7 of the upper case body 12 and It contacts a part of the annular upper surface 7 1 of the annular sheet metal 9 and surrounds the thrust plain bearing 1, and between the upper spring seat member 8 5 and the lower case body 3 3 of the lower case 5.
  • An annular spacer 8 9 is arranged.
  • the piston rod 8 1 includes a large-diameter portion 9 1 disposed in the through-hole 90 defined by the inner peripheral surfaces 11 1, 3 1, 4 5 and 4 6, and a larger-diameter portion 9 1
  • a small-diameter portion 9 4 formed integrally with the small-diameter large-diameter portion 9 1 and disposed in the through hole 93 defined by the annular inner peripheral surface 9 2 of the annular sheet metal 9, and the small-diameter portion 9 4, and the annular sheet metal 9 includes an annular concave step surface 9 6 between the large diameter portion 9 1 and the small diameter portion 9 4 of the biston rod 8 1, and the thread portion.
  • the large-diameter portion 91 is in contact with the inner peripheral surfaces 4 3 and 4 6 at the outer peripheral surface 9 9 of the through hole 90 so as to be rotatable in the R direction.
  • the annular inner peripheral surface 100 of the elastic member 8 8 is in contact with the upper case 3, and the upper case 3 is connected to the annular sheet metal 9 and the threaded portion 95 between the annular concave step surface 96 and the annular surface 98. It is held by the elastic member 88 so as not to rotate in the R direction via the threaded nut 97.
  • the thrust plain bearing 1 has an outer diameter r3 larger than an inner diameter r1 of the upper case body 12 and an inner diameter r2 of the lower case body 33, and an inner diameter r1. Since the annular sheet metal 9 having an inner diameter r 4 smaller than r 2 is arranged in the annular concave step portion 8 and fixed to the upper case body 12, the piston rod 8 1 is attached to the annular sheet metal 9. One end can be supported through nuts 9 7, and the mounting plate in the mounting mechanism 8 4 to the vehicle body of the strap assembly including the strap type suspension 83 can be omitted. It can be simplified to reduce costs.
  • the annular sheet metal 9 is fixed to the upper case body 12 of the upper case 3 by using an adhesive or the like in the annular concave step portion 8 or by fitting.
  • the plain bearing 1 may be configured. That is, the thrust slide bearing shown in FIGS.
  • the upper case 3 has three protrusions 10 1 that protrude into the annular concave step portion 8 and are integrally formed with the upper case main body 12, and the annular sheet metal 9 has 1 2 0 It has a through hole 10 0 2 into which each of the protrusions 10 1 of the upper case 3 arranged at equiangular intervals of 0 ° are fitted, and the fitting of the protrusion 1 0 1 into the through hole 1 0 2 At the same time, the annular sheet metal 9 is fixed to the upper case 3.
  • the annular sheet metal 9 When the annular sheet metal 9 is fixed to the upper case 3 by fitting the protrusions 1 0 1 to the through holes 1 0 2, two or more of the through holes 1 0 2 and the protrusions 1 0 1 are provided.
  • the annular sheet metal 9 may be disposed in the annular recessed step portion 8 with a gap between the outer peripheral surface 74 and the step portion side surface 75, and the protrusions 10 1 and the through holes 1 described above.
  • the protrusions 10 1 are formed integrally with the annular lower surface 72 of the annular sheet metal 9, while being integrated with the annular sheet metal 9.
  • a recess into which the formed protrusions 101 are fitted may be formed in the annular upper surface 4 of the upper case body 12.
  • the thrust plain bearing 1 is formed integrally with the lower case body 3 3 and protrudes from the annular upper surface 4 toward the annular lower surface 2.
  • Lower case 5 further having a protrusion 1 1 1, and three concentric annular protrusions 1 1 2 and 1 1 3 which are in sliding contact with each other in the R direction relative to the annular lower surface 2 and the annular upper surface 4
  • an annular thrust sliding bearing piece 6 integrally having the upper surface 61 and the lower surface 62, respectively.
  • the inner protrusion 3 4 Is arranged on the radially outer side of the inner hanging part 1 3, the inner peripheral surface 1 1 4 of the inner hanging part 1 3 is flush with the inner peripheral surface 11, and the thrust slide bearing piece 6 is the outer protruding part 1 in the radial direction. It may be positioned between 1 1 and the inner protrusion 3 4.
  • the thrust sliding bearing 1 described above is an example in which the thrust sliding bearing piece 6 is provided as a thrust sliding bearing means, which is separate from the upper case 3 and the lower case 5.
  • a thrust sliding bearing means at least one of the upper case body 1 2 of the upper case 3 and the lower case body 3 3 of the lower case 5
  • an annular thrust sliding bearing portion 1 21 made of synthetic resin and formed integrally with the upper case body 12 of the upper case 3 may be provided.
  • An annular lower surface 1 2 1 of the thrust sliding bearing portion 1 2 1 positioned between the outer protrusion 1 1 1 and the inner protrusion 3 4 is in sliding contact with the annular upper surface 4 in the R direction. ing.
  • the thrust slide bearing 1 shown in FIGS. 5 and 6 and the thrust slide bearing 1 shown in FIG. 7 also have one end of the piston rod 8 1 in the annular sheet metal 9 having the through hole 93. Can be supported through nuts 9 7.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

La présente invention concerne un palier de glissement par poussée (1) présentant un boîtier supérieur en résine synthétique (3) ayant une surface inférieure annulaire (2) et un boîtier inférieur en résine synthétique (5) superposé sur le boîtier supérieur (3) de manière à pouvoir être entraîné en rotation dans la direction R autour de l'axe O et ayant une surface supérieure annulaire (4) faisant face à la surface inférieure annulaire (2) du boîtier supérieur (3), une pièce annulaire de palier de glissement par poussée en résine synthétique (6) placée entre la surface inférieure annulaire (2) du boîtier supérieur (3) et la surface supérieure annulaire (4) du boîtier inférieur (5), ainsi qu'une plaque métallique annulaire (9) placée dans un évidement annulaire (8) et fixée au boîtier supérieur (3), l'évidement annulaire (8) étant formé dans une surface supérieure annulaire (7) du boîtier supérieur (3).
PCT/JP2007/000686 2006-07-07 2007-06-25 Palier de glissement par poussée et mécanisme formé en combinant le palier de glissement par poussée avec une tige de piston WO2008004338A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006188671A JP2008014463A (ja) 2006-07-07 2006-07-07 スラスト滑り軸受及びこのスラスト滑り軸受とピストンロッドとの組合せ機構
JP2006-188671 2006-07-07

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Publication Number Publication Date
WO2008004338A1 true WO2008004338A1 (fr) 2008-01-10

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PCT/JP2007/000686 WO2008004338A1 (fr) 2006-07-07 2007-06-25 Palier de glissement par poussée et mécanisme formé en combinant le palier de glissement par poussée avec une tige de piston

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WO (1) WO2008004338A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110019951A1 (en) * 2008-04-02 2011-01-27 Ryohei Kaneko Thrust sliding bearing
CN102791502A (zh) * 2010-03-17 2012-11-21 奥依列斯工业株式会社 推力滑动轴承以及推力滑动轴承和活塞杆的组合机构
US9188153B2 (en) 2008-07-28 2015-11-17 Oiles Corporation Synthetic resin-made thrust sliding bearing
CN106687703A (zh) * 2014-08-12 2017-05-17 奥依列斯工业株式会社 推力滑动轴承
CN106958592A (zh) * 2013-02-15 2017-07-18 奥依列斯工业株式会社 合成树脂制滑动轴承
DE102017126287A1 (de) 2017-11-09 2019-05-09 Schaeffler Technologies AG & Co. KG Federbeingleitlager für ein Fahrgestell eines Kraftfahrzeugs
EP3477138B1 (fr) * 2016-06-24 2021-05-19 Oiles Corporation Palier de butée pour véhicules

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016205600A (ja) * 2015-04-28 2016-12-08 オイレス工業株式会社 車両用スラスト軸受
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US20140010485A1 (en) * 2008-04-02 2014-01-09 Oiles Corporation Thrust sliding bearing
US9624969B2 (en) * 2008-04-02 2017-04-18 Oiles Corporation Thrust sliding bearing
US20110019951A1 (en) * 2008-04-02 2011-01-27 Ryohei Kaneko Thrust sliding bearing
US10006485B2 (en) * 2008-04-02 2018-06-26 Oiles Corporation Thrust sliding bearing
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US9458887B2 (en) 2008-07-28 2016-10-04 Oiles Corporation Synthetic resin-made thrust sliding bearing
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CN106958592B (zh) * 2013-02-15 2019-03-12 奥依列斯工业株式会社 合成树脂制滑动轴承
CN106958592A (zh) * 2013-02-15 2017-07-18 奥依列斯工业株式会社 合成树脂制滑动轴承
CN106687703A (zh) * 2014-08-12 2017-05-17 奥依列斯工业株式会社 推力滑动轴承
CN106687703B (zh) * 2014-08-12 2019-02-19 奥依列斯工业株式会社 推力滑动轴承
EP3477138B1 (fr) * 2016-06-24 2021-05-19 Oiles Corporation Palier de butée pour véhicules
DE102017126287A1 (de) 2017-11-09 2019-05-09 Schaeffler Technologies AG & Co. KG Federbeingleitlager für ein Fahrgestell eines Kraftfahrzeugs
DE102017126287B4 (de) * 2017-11-09 2021-02-04 Schaeffler Technologies AG & Co. KG Federbeingleitlager für ein Fahrgestell eines Kraftfahrzeugs

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