WO2013114779A1 - 自転車用ハブ装置 - Google Patents

自転車用ハブ装置 Download PDF

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Publication number
WO2013114779A1
WO2013114779A1 PCT/JP2012/083873 JP2012083873W WO2013114779A1 WO 2013114779 A1 WO2013114779 A1 WO 2013114779A1 JP 2012083873 W JP2012083873 W JP 2012083873W WO 2013114779 A1 WO2013114779 A1 WO 2013114779A1
Authority
WO
WIPO (PCT)
Prior art keywords
bicycle hub
wheel
hub device
finger
spoke
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.)
Ceased
Application number
PCT/JP2012/083873
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
近藤　豊
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.)
KONDO MACHINE CO Ltd
Original Assignee
KONDO MACHINE CO 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 KONDO MACHINE CO Ltd filed Critical KONDO MACHINE CO Ltd
Priority to AU2012368534A priority Critical patent/AU2012368534B2/en
Priority to EP12867332.4A priority patent/EP2810788B1/en
Publication of WO2013114779A1 publication Critical patent/WO2013114779A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/02—Hubs adapted to be rotatably arranged on axle
    • B60B27/023—Hubs adapted to be rotatably arranged on axle specially adapted for bicycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B1/00—Spoked wheels; Spokes thereof
    • B60B1/02—Wheels with wire or other tension spokes
    • B60B1/04—Attaching spokes to rim or hub
    • B60B1/041—Attaching spokes to rim or hub of bicycle wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B1/00—Spoked wheels; Spokes thereof
    • B60B1/02—Wheels with wire or other tension spokes
    • B60B1/04—Attaching spokes to rim or hub
    • B60B1/042—Attaching spokes to hub
    • 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
    • B60B9/005—Comprising a resilient hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0005—Hubs with ball bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/111—Weight

Definitions

  • the present invention relates to a bicycle hub, and in particular, a bicycle that transmits a load from a wheel input via a spoke to the shaft side and plays a role of smoothly rotating the wheel around the shaft.
  • the present invention relates to a hub device.
  • Examples of this conventional type include those described in JP-A-2006-1546.
  • the load from the tire, rim, etc. is input to the hub via the spoke, and this input load is transmitted to the shaft via the cylindrical bearing holder and the ball bearing provided in the bearing holder.
  • the wheel formed on the basis of the hub is smoothly rotated around the shaft.
  • the configuration around the hub mechanism provided in the center portion of the wheel is provided with the hub to which the spoke is attached and the inside of the hub, and has a cylindrical shape, A bearing holder having a bearing holding portion at both ends thereof. And the angular contact ball bearing is provided in the place of the bearing holding part formed in the both ends of such a bearing holder. Further, in this way, the one having the bearing holder inside is provided so as to be rotatable around the shaft via the bearing. As described above, in the conventional one, the load from the wheel side is transmitted to the bearing and further to the shaft through the bearing holder. Is to be provided. It is an object (problem) of the present invention to provide a bicycle hub device having a simplified structure that does not have such separate parts.
  • the bicycle hub apparatus which supports the rotational movement of the wheel and transmits the load from the tire side forming the wheel to the shaft side.
  • the base hub has an annular shape and is formed with a spoke attachment portion to which one end of the spoke is attached, and a wheel holding portion at both ends thereof.
  • a body portion having a cylindrical shape, and radially and cantilevered at the outer peripheral portion of the body portion, and the tip portion of the annular spoke attachment portion it was decided to adopt a configuration in which the fingers were integrally connected to each other and had a finger portion having a predetermined width.
  • one end portion of the finger portion is connected to the finger portion forming the hub.
  • a configuration is adopted in which the body portion having a cylindrical shape is arranged in a state of being parallel to the axial direction of the body portion and having a predetermined interval.
  • the bicycle hub device serves to support the rotational movement of the wheel and to transmit the load from the tire side forming the wheel to the shaft side.
  • the hub is formed in an annular shape, and is formed at the center of the wheel with a spoke attachment part to which one end of the spoke is attached, and bearings are held at both ends thereof.
  • a body part having a cylindrical shape, and a concentric circle with the body part at the outer peripheral part of the body part, the tip part of the annular spoke attachment part However, a configuration is adopted in which the whole is integrally connected to a cylindrical portion.
  • the spoke attachment portion, the body portion, the finger portion, and the cylinder that form the hub in the bicycle hub device according to the first to third aspects is made of a predetermined metal including an aluminum (Al) alloy or a titanium (Ti) alloy, or a carbon fiber reinforced plastic material (CFRP).
  • Al aluminum
  • Ti titanium
  • CFRP carbon fiber reinforced plastic material
  • the first invention as claimed in claim 1 will be described.
  • the present invention by adopting the above configuration, it is possible to release the input load from the tire side at the finger portion and prevent the impact force or the like from the tire side from being transmitted to the bearing side. become. That is, one end of the spoke to which an impact load or the like from the tire side is input is attached to an annular spoke attachment portion. Therefore, the impact load or the like input to the spoke attachment portion via the spoke is alleviated by the bending deformation of the finger portion formed in a cantilever shape with respect to the cylindrical body portion. Then, the relaxed load is transmitted to the cylindrical body part, further transmitted to the bearing, and finally received by the shaft. As a result, in the present invention, the input load to the shaft is relaxed even when an impact load is applied to the tire or the like forming the wheel, and the wheel always rotates smoothly around the shaft. You will be able to hold exercise.
  • each said finger part will exhibit the function as a cooling fin.
  • an annular (disk-shaped) spoke attachment portion is integrally formed at the tip portion of such a finger portion, so that a cooling effect is combined with this disk-like spoke attachment portion. Will be more enhanced.
  • the cooling effect of the bearings provided at both ends of the cylindrical body portion is enhanced, thereby improving the durability of the bearing.
  • the input load from the tire side is released at the cylindrical portion, and the impact force from the tire side is transferred to the bearing side. It will be possible to prevent it from being transmitted. That is, one end of the spoke to which an impact load or the like from the tire side is input is attached to an annular spoke attachment portion. Therefore, the impact load or the like input to the spoke attachment portion via the spoke is alleviated by the bending deformation of the cylindrical portion provided outside the cylindrical body portion. Then, the relaxed load is transmitted to the cylindrical body portion, further transmitted to the bearing, and finally received by the shaft. As a result, in the present invention, the input load to the shaft is relaxed even when an impact load is applied to the tire or the like forming the wheel, and the wheel always rotates smoothly around the shaft. You will be able to hold exercise.
  • the bicycle hub comprising these parts is integrally formed of a predetermined metal such as an Al alloy or a Ti alloy, or a carbon fiber reinforced plastic material. Therefore, the overall weight can be reduced or the manufacturing cost can be reduced. That is, according to the present invention, a bicycle hub device that is reduced in weight or reduced in manufacturing cost can be obtained.
  • the present embodiment relates to a bicycle hub device that receives a load from a wheel and supports the wheel so that the wheel can rotate.
  • this is based on a body portion 15 having a cylindrical shape, and the body portion 15 is used as a basis, at approximately both ends of the body portion 15.
  • the hub 1 is mainly formed by a disc-like spoke attachment portion 12 provided at a right angle to the body portion 15.
  • a shaft 2 for rotatably supporting the entire bicycle hub device is provided at the center of the cylindrical body portion 15 of the hub 1 having the above-described configuration.
  • Bearings 3 and 3 are provided at the portions.
  • spherical nuts 5 and 5 that serve to fix the bearings 3 and 3 to the end portion of the shaft 2 are provided on one end face side of the bearings 3 and 3.
  • the bicycle hub device is formed by attaching (squeezing) these spherical nuts 5 and 5.
  • O-rings 6 and 6 and spherical washers 7 and 7 are attached to the outside of the spherical nuts 5 and 5 forming such a bicycle hub device, and the bicycle hub device is provided via these.
  • a wheel is adapted to be attached to a spoke (not shown).
  • This body body 15 is formed in a cylindrical shape, and the body portion 15 is used as a basis on the outer peripheral surface of the body portion 15 in a radial and equidistant manner. It is provided so as to be parallel to the axial direction, and is provided integrally with the plurality of cantilever-shaped finger portions 11 having a predetermined width and the finger portion 11 at the tip of the finger portion 11. And a disk-like spoke attachment portion 12 provided in a direction perpendicular to the axis (center line) of the body portion 15.
  • a bearing holding portion having a cylindrical shape is provided on the inner diameter side of the finger portion 11 and the disc-like spoke attachment portion 12 on the extension of the cylindrical body portion 15. 13 is formed. Further, a gap 111 is formed between the bearing holding portion 13 and the inside of the finger portion 11.
  • the gap 111 is narrowed. That is, the gap 111 is formed so as to allow elastic deformation of the finger portion 11. Due to such elastic deformation (bending deformation) of the finger portion 11, a perfect circle state is always maintained at the bearing holding portion 13 with respect to the load input from the tire side. As a result, the bearings 3 and 3 can always maintain a smooth rotational motion.
  • bearings 3 and 3 made of ball bearings or the like are provided at such bearing holding portions 13, specifically, at extensions (see FIG. 3) formed at both ends of the body portion 15. It has become.
  • both bearings 3 and 3 can be mounted in a state having a span larger than the interval between the two spoke mounting portions 12 and 12 which are load input portions.
  • the input load is a smaller value than that input at the spoke attachment portions 12 and 12.
  • the bearings 3 and 3 are protected.
  • the wheel formed on the basis of the hub 1 having the above-described configuration can always maintain a smooth rotational movement with the shaft 2 as a center.
  • a slit 14 having a predetermined width is provided around the finger portion 11 having such a configuration, for example, as shown in FIGS. That is, between the body part 15 and the spoke attachment part 12, finger parts 11 having a cantilever-like shape and slits 14 are alternately formed on the circumference. (See FIGS. 4 to 6).
  • the space around the bearing holding portion 13 communicates with the space formed by the body portion 15 and the spoke attachment portions 12 and 12 through the slit 14 and the gap 111. ing. Therefore, when the wheel starts rotating, the air on the space side formed by the two spoke attachment portions 12, 12 flows around the bearing holding portion 13 through the slit 14 and the gap 111. Become. At this time, the flowing air cools the finger portion 11. Thereby, the periphery of the bearing holding portion 13 is cooled, and the bearings 3 and 3 are finally cooled. In this way, the bearings 3 and 3 are protected.
  • FIGS. 4A and 4B between the body portion 15 and the spoke attachment portion 12, the finger portion 11 is shown, for example, in FIG.
  • a plurality of radial lines are provided on the circumference of the body portion 15 at equal intervals.
  • the finger portion 11 is elastically deformed according to the elastic modulus (flexure rigidity) of the finger portion 11 with respect to the input load, and the impact load input to the spoke attachment portion 12 is softened. It is made to propagate to the body part 15, the bearing holding part 13, and further the bearing 3 and the like. Due to the load propagation to the bearing 3 with the impact load reduced, both the bearings 3 and 3 can perform a smooth rotational motion around the shaft 2.
  • the load (especially impact load) input to the spoke attachment portion 12 is input to the body portion 15 via the bending deformation of the finger portion 11 and propagates from the bearings 3 and 3 to the vehicle body side. Is done.
  • the impact load is propagated relatively directly to the vehicle body side, and the impact force is directly propagated to the passenger in a strong state.
  • FIGS. 6A and 6B when the number of the finger portions 11 is small, the bending rigidity of the entire cantilever-like finger portion 11 has a small value. .
  • the entire finger portion 11 undergoes a soft elastic deformation (flexion deformation), whereby the impact load input to the spoke mounting portion 12 is relaxed at the finger portion 11 to the bearings 3 and 3 and further to the vehicle body. Will be propagated to the side.
  • flexion deformation flexion deformation
  • the elastic modulus of the finger portion can be set to the optimum state.
  • a cylindrical portion 19 having a cylindrical shape is provided outside the cylindrical body portion 15.
  • the tip of the cylindrical portion 19 is connected to the disc-shaped spoke attachment portion 12 in a vertical manner.
  • WHEREIN The place of the said cylindrical part 19 is set so that the value of the thickness (E) may have a value smaller than the surrounding member (thin). Therefore, with respect to the load input from the spoke attachment portion 12, the cylindrical portion 19 is bent as shown in FIG. 7B, for example, so that it can flexibly respond to the input load. It has become.
  • the tubular portion 19 is appropriately set according to the weight of the occupant or the size of the loaded load by appropriately setting the thickness (E). Can be done.
  • the body portion 15, the finger portion 11, the spoke attachment portion 12, the cylindrical portion 19 and the like are integrally formed of a predetermined metal containing an Al alloy or a Ti alloy. It has come to be. As a result, the weight of the entire hub 1 can be reduced, and the overall strength and rigidity can be improved. It is also conceivable that the hub 1 is integrally formed of a carbon fiber reinforced plastic material (CFRP). As a result, the weight can be further reduced.
  • CFRP carbon fiber reinforced plastic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Tires In General (AREA)
PCT/JP2012/083873 2012-02-03 2012-12-27 自転車用ハブ装置 Ceased WO2013114779A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2012368534A AU2012368534B2 (en) 2012-02-03 2012-12-27 Bicycle hub unit
EP12867332.4A EP2810788B1 (en) 2012-02-03 2012-12-27 Bicycle hub unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-021483 2012-02-03
JP2012021483A JP5745436B2 (ja) 2012-02-03 2012-02-03 自転車用ハブ装置

Publications (1)

Publication Number Publication Date
WO2013114779A1 true WO2013114779A1 (ja) 2013-08-08

Family

ID=48904832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/083873 Ceased WO2013114779A1 (ja) 2012-02-03 2012-12-27 自転車用ハブ装置

Country Status (4)

Country Link
EP (1) EP2810788B1 (https=)
JP (1) JP5745436B2 (https=)
AU (1) AU2012368534B2 (https=)
WO (1) WO2013114779A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118802U (https=) * 1990-03-14 1991-12-09
JPH06219101A (ja) * 1992-12-02 1994-08-09 Reizu Eng:Kk 自転車用車輪
JP2006001546A (ja) 2005-07-22 2006-01-05 Shimano Inc 自転車用ハブ
US20110227401A1 (en) * 2010-03-22 2011-09-22 Stephen Huang Hub assembly
JP2012144136A (ja) * 2011-01-12 2012-08-02 Gokiso Giken Ltd 自転車用リアハブ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524395B1 (fr) * 1982-04-01 1986-05-09 Bg Technic Moyeu elastique pour roue a rayons
TW314492B (https=) * 1995-05-26 1997-09-01 Campagnolo Srl
WO2011129027A1 (ja) * 2010-04-12 2011-10-20 有限会社御器所技研 自転車用ハブ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118802U (https=) * 1990-03-14 1991-12-09
JPH06219101A (ja) * 1992-12-02 1994-08-09 Reizu Eng:Kk 自転車用車輪
JP2006001546A (ja) 2005-07-22 2006-01-05 Shimano Inc 自転車用ハブ
US20110227401A1 (en) * 2010-03-22 2011-09-22 Stephen Huang Hub assembly
JP2012144136A (ja) * 2011-01-12 2012-08-02 Gokiso Giken Ltd 自転車用リアハブ装置

Also Published As

Publication number Publication date
JP5745436B2 (ja) 2015-07-08
JP2013159189A (ja) 2013-08-19
EP2810788A4 (en) 2016-03-30
AU2012368534B2 (en) 2017-01-05
EP2810788A1 (en) 2014-12-10
EP2810788B1 (en) 2019-10-02
AU2012368534A1 (en) 2014-04-24

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