WO2003029027A1 - Roue elastique - Google Patents

Roue elastique Download PDF

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Publication number
WO2003029027A1
WO2003029027A1 PCT/JP2002/009711 JP0209711W WO03029027A1 WO 2003029027 A1 WO2003029027 A1 WO 2003029027A1 JP 0209711 W JP0209711 W JP 0209711W WO 03029027 A1 WO03029027 A1 WO 03029027A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
elastic body
rubber
rim
rubber elastic
Prior art date
Application number
PCT/JP2002/009711
Other languages
English (en)
Japanese (ja)
Inventor
Hirohumi Kikuchi
Katsumi Tashiro
Original Assignee
Bridgestone 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 Bridgestone Corporation filed Critical Bridgestone Corporation
Priority to JP2003532313A priority Critical patent/JPWO2003029027A1/ja
Publication of WO2003029027A1 publication Critical patent/WO2003029027A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/002—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc
    • B60B3/005—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc in the section adjacent to rim
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
    • B60B3/041—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc
    • B60B3/044—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc characterised by cross-sectional details of the attachment, e.g. the profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
    • B60B3/041—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc
    • B60B3/045—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc characterised by the attachment portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
    • B60B9/10—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims of rubber or the like
    • B60B9/12—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims of rubber or the like in the form of sleeves or rings concentric with the wheel axis

Definitions

  • the present invention relates to an elastic wheel used for a vehicle wheel, and more particularly, to an elastic wheel which is excellent in ride comfort, vibration proof performance, soundproof performance, and durability. ⁇ :
  • the elastic wheel generally has a disc that can be fixed to the axle hub and a rim that supports the tire.
  • a vibration isolator is provided between the disc and the rim to improve the vibration isolation performance and ride comfort.
  • Various wheels have been proposed so far. For example, Japanese Unexamined Utility Model Publication No. 59-187870 proposes a tire wheel that improves ride comfort by using a panel as a vibration isolator.
  • Japanese Utility Model Laid-Open No. 57-73203 discloses that the rim is made of rubber.
  • An elastic wheel configured to be connected to a disk via a resilient body has been proposed.
  • Japanese Patent Application Laid-Open No. Hei 5-338410 discloses an elastic wheel in which a gap is formed between a rim and an elastic wheel, and a vibration-proof rubber is interposed in the gap.
  • WO98 / 33636 discloses a wheel / barrier assembly in which a rubber annular strip is arranged between an inner rim having the same profile as the rim and the rim. Have been.
  • the rubber is vulcanized between the inner peripheral surface of the rim and the outer peripheral surface of the disk respectively. Since the bonded rubber elastic body is provided, the rubber elastic body can accurately suppress the axial, radial, and rotational vibrations transmitted from the rim to the disk, but when heavy load is applied. There is a problem that the displacement of the rubber elastic body cannot be suppressed. In other words, when the rubber section is uniform, It was difficult to obtain appropriate vibration-prevention characteristics in each case from to large input. In this regard, there was a similar problem even if a spring was used as the vibration isolator.
  • elastic wheels using rubber as the vibration isolator may cause cracks on the surface due to environmental and physical factors such as ozone in the atmosphere and rocks that jumped up during actual use. Was also responsible for the premature destruction of rubber. Furthermore, since the rubber used as a vibration isolator is repeatedly subjected to a load as it is used, further improvement in fatigue durability during long-term use has been required.
  • an object of the present invention is to improve the environmental resistance, damage resistance, and chemical resistance of rubber used as a vibration isolator, thereby impairing durability and safety from a small input to a large input.
  • An object of the present invention is to provide an elastic wheel that improves ride comfort, vibration isolation performance, and sound insulation performance without improving performance. Disclosure of the invention
  • the present inventors have made intensive studies to solve the above-mentioned problems while maximizing the vibration suppressing effect of the rubber elastic body, and as a result, have found that the above-described object can be achieved by adopting the following configuration.
  • the invention has been completed.
  • an elastic wheel includes a disk fixed to an axle hub, a rim for supporting a tire, a pair of guides fixed to an inner peripheral surface of the rim in an annular shape, A protrusion protruding annularly outward in the radial direction of the wheel on the surface, extending at least on both sides in the wheel axial direction, with a gap between the protrusion and the inner peripheral surface of the rim, A rubber elastic body is fixed in a ring shape, and both ends of the rubber elastic body extending on both sides in the axial direction are elastic wheels fixed on both side surfaces of the pair of guides facing each other in the wheel axis direction. So,
  • a coating material layer is provided in a ring shape on a radially inner surface of the rubber elastic body in the wheel radial direction.
  • the rubber elastic body is integrally provided over the entire width between the pair of guides in the wheel axis direction.
  • the coating material layer is preferably a polyolefin. Thereby, the protective effect of rubber by the covering material layer can be more appropriately obtained.
  • the rubber elastic body preferably contains an ISAF-based carbon black.
  • the rubber additives can be optimized, and the effect of improving the durability of the rubber can be better obtained.
  • the amount of shear strain of the rubber elastic body when the vehicle is loaded is preferably 15% or less.
  • the durability of the rubber can be further improved by reducing the amount of shear strain of the rubber and suppressing the influence of repeated fatigue.
  • FIG. 1 is an enlarged partial sectional view of an elastic wheel according to one embodiment of the present invention.
  • An elastic wheel according to an embodiment of the present invention shown in FIG. 1 includes a disk 1 fixed to an axle hub (not shown), and a rim 2 for supporting a tire.
  • a rubber elastic body 3 is annularly interposed between the surface and the outer peripheral surface of the disk 1.
  • the outer peripheral surface of the disc 1 integrally forms a projecting portion 4 that projects annularly outward in the wheel radial direction.
  • a rubber elastic body 3 extending on both sides in the axial direction of the wheel has an appropriate gap between the protrusion 4 and the inner peripheral surface of the rim 2. For example, it is fixed in an annular shape by vulcanization bonding or the like.
  • a pair of guides 5a and 5b are fixed to the inner peripheral surface of the rim 2 in a ring shape, and both ends of the rubber elastic body 3 in the axial direction are formed by the pair of guides 5a and 5b.
  • the rim 2 and the disc 1 are connected to each other via rubber elastic members 3 by being fixed to both side surfaces facing the wheel axis direction by vulcanization bonding or the like.
  • the guides 5a and 5b may be fixed to the inner peripheral surface of the rim 2 by welding, screwing, or the like, or may be provided integrally with the rim.
  • the rubber elastic body 3 can exert its function as an elastic wheel due to its shear strain if it extends at least on the quotient side in the wheel axial direction.
  • the rubber elastic body 3 has a pair of guides 5a, 5b, it is interposed integrally over the entire width in the wheel axis direction, i.e., the rubber elastic body 3 is also interposed between the inner peripheral surface of the rim 2 and the protrusion 4 of the disc 1, It becomes possible to correspond to the input.
  • the portion of the rubber elastic body 3 that is present continuously on the outer surface in the wheel radial direction of the protrusion 4 prevents the collision between the protrusion 4 and the inner peripheral surface of the rim 2 during a large input.
  • the shape of the portion of the rubber elastic body 3 located between the inner peripheral surface of the rim 2 and the protrusion 4 of the disk 1 is made to protrude in correspondence with the protrusion 4.
  • the rubber elastic body 3 may be formed flat over the entire width in the wheel axis direction between the grooves 5a and 5b. In any case, the shape of the entire rubber elastic body 3 is not particularly limited.
  • a coating material layer 6 is provided in an annular shape on the inner surface of the rubber elastic body 3 in the wheel radial direction.
  • the coating material layer 6 protects the surface of the rubber elastic body 3 that is exposed to the outside, so that the rubber elastic body 3 is not affected by environmental and physical factors, such as ozone in the air and rocks that have jumped up. Can be eliminated to prevent the occurrence of surface cracks.
  • chemical resistance and electrical resistance can be improved, and the durability of the rubber elastic body 3 itself is increased, thereby realizing an elastic wheel having excellent durability. be able to.
  • the ratio of the width of the protrusion 4 in the wheel axial direction to the distance between both side surfaces of the pair of guides 5 a and 5 b facing each other in the wheel axial direction is set to be small, and the rubber elastic body 3 is formed.
  • the rubber elastic body when the vehicle is loaded It is preferable to suppress the shear strain amount of No. 3 to 15% or less, particularly preferably 10% or less. As a result, the effect of the repeated load on the rubber elastic body 3 can be reduced, and the fatigue durability of the rubber elastic body 3 can be further improved.
  • the covering material layer 6 only needs to cover the exposed surface of the rubber elastic body 3, and the formation region, thickness, and the like are particularly limited as long as the protective effect of the rubber elastic body 3 can be appropriately obtained. There is no.
  • a resin material having excellent environmental resistance and chemical resistance as described above and having good electric resistance can be appropriately selected and used, and preferably, for example, polyolefin is used.
  • the disk 1 may be a spoke wheel or a mesh wheel combined with a support such as a spoke-mesh.
  • the disc may be made of any material such as steel, aluminum, magnesium, titanium, and synthetic resin. However, when the main focus is on light weight, aluminum, titanium or synthetic resin is preferable.
  • the protrusion 4 is not limited to the example shown in the figure, but is provided with a base rim on the outer peripheral surface of the disk 1 and a rubber elastic body extending at least on both sides in the wheel axial direction is fixed to the outside in the radial direction. It may be provided by fixing an annular member that can be used.
  • the structure of the rim 2 itself is not particularly limited. For example, a drop portion may be provided as shown in the figure to facilitate the rim assembly.
  • known rubber vibration insulators can be used, and natural rubbers and synthetic rubbers, for example, gen-based rubbers such as butadiene rubber, styrene-butadiene copolymer rubber, and butyl rubber It can be prepared by appropriately compounding a rubber with a compounding agent, for example, sulfur, a vulcanization accelerator, an antioxidant, and carbon black.
  • a compounding agent for example, sulfur, a vulcanization accelerator, an antioxidant, and carbon black.
  • ISAF-based black is contained as carbon black. This is preferable because the durability of the rubber elastic body 3 can be further increased as compared with the case where an FEF system or the like is used.
  • the rubber elastic body 3 JIS-A hardness (H d), from the viewpoint of the vibration absorption characteristics and durability, preferably 3 0 to 8 0 ° der is, the elastic modulus lxl 0 3 ⁇ lxl 0 5 N / cm 2 Industrial applicability
  • the rubber used as a vibration isolator has improved environmental resistance, trauma resistance, and chemical resistance, and has a durability from a small input to a large input. Ride comfort, vibration isolation, and sound insulation can be improved without compromising safety, safety, and steering stability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne une roue élastique comprenant: un disque (1) fixé à un moyeu et une jante (2) supportant un pneu de manière pivotante; une paire de guides (5a, 5b) étant montés fixés de manière annulaire sur la surface périphérique intérieure de la jante (2), et une partie saillante (4) qui fait saillie de manière annulaire dans le sens radial extérieur d'une roue étant prévue sur la surface périphérique extérieure du disque (1); un corps élastique en caoutchouc (3) fixé de manière annulaire à la partie saillante (4) pouvant s'étendre au moins jusqu'aux deux côtés de la roue dans le sens axial et formant un espace libre entre le corps élastique en caoutchouc et la surface périphérique intérieure de la jante (2); les deux parties d'extrémités du corps élastique en caoutchouc (3) qui s'étendent jusqu'aux deux côtés dans le sens axial étant fixées aux deux faces latérales de la paire de guides (5a, 5b) opposées l'une à l'autre dans le sens axial de la roue; et une couche (6) de matériau de revêtement montée de manière annulaire sur la surface interne du corps élastique en caoutchouc (3) dans le sens radial de la roue, ce qui permet d'améliorer les performances de confort de conduite, d'élimination des vibrations, et d'isolation sonore par augmentation de la résistance aux intempéries, de la résistance aux chocs, et de la résistance chimique d'un caoutchouc utilisé en tant que corps antivibrations, sans altérer la durabilité et la sécurité à des plages de charges pouvant aller d'une charge d'entrée faible à une charge d'entrée importante.
PCT/JP2002/009711 2001-09-28 2002-09-20 Roue elastique WO2003029027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003532313A JPWO2003029027A1 (ja) 2001-09-28 2002-09-20 弾性ホイール

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001298829 2001-09-28
JP2001-298829 2001-09-28

Publications (1)

Publication Number Publication Date
WO2003029027A1 true WO2003029027A1 (fr) 2003-04-10

Family

ID=19119678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/009711 WO2003029027A1 (fr) 2001-09-28 2002-09-20 Roue elastique

Country Status (2)

Country Link
JP (1) JPWO2003029027A1 (fr)
WO (1) WO2003029027A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007061049A1 (fr) * 2005-11-25 2007-05-31 Sumitomo Rubber Industries, Ltd. Roue élastique
JP2007145124A (ja) * 2005-11-25 2007-06-14 Sumitomo Rubber Ind Ltd 弾性ホイール

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07258468A (ja) * 1994-03-24 1995-10-09 Kinugawa Rubber Ind Co Ltd 高減衰ゴム組成物
JPH1061249A (ja) * 1996-08-22 1998-03-03 Fujita Corp 免震支承体およびその製造方法
WO1998016580A1 (fr) * 1996-10-14 1998-04-23 The Yokohama Rubber Co., Ltd. Composition a base de caoutchouc hautement amortissante
JP2000094583A (ja) * 1998-09-24 2000-04-04 Mitsuuma:Kk ゴム製品およびゴム製品の製造方法
JP2001058201A (ja) * 1999-08-19 2001-03-06 Kawasaki Steel Corp 線材のサイジング圧延方法
WO2001068386A1 (fr) * 2000-03-13 2001-09-20 Bridgestone Corporation Roue elastique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07258468A (ja) * 1994-03-24 1995-10-09 Kinugawa Rubber Ind Co Ltd 高減衰ゴム組成物
JPH1061249A (ja) * 1996-08-22 1998-03-03 Fujita Corp 免震支承体およびその製造方法
WO1998016580A1 (fr) * 1996-10-14 1998-04-23 The Yokohama Rubber Co., Ltd. Composition a base de caoutchouc hautement amortissante
JP2000094583A (ja) * 1998-09-24 2000-04-04 Mitsuuma:Kk ゴム製品およびゴム製品の製造方法
JP2001058201A (ja) * 1999-08-19 2001-03-06 Kawasaki Steel Corp 線材のサイジング圧延方法
WO2001068386A1 (fr) * 2000-03-13 2001-09-20 Bridgestone Corporation Roue elastique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007061049A1 (fr) * 2005-11-25 2007-05-31 Sumitomo Rubber Industries, Ltd. Roue élastique
JP2007145124A (ja) * 2005-11-25 2007-06-14 Sumitomo Rubber Ind Ltd 弾性ホイール

Also Published As

Publication number Publication date
JPWO2003029027A1 (ja) 2005-01-13

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