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WO2016015617A1 - Roue du type à rayons sans chambre à air - Google Patents

Roue du type à rayons sans chambre à air Download PDF

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Publication number
WO2016015617A1
WO2016015617A1 PCT/CN2015/085251 CN2015085251W WO2016015617A1 WO 2016015617 A1 WO2016015617 A1 WO 2016015617A1 CN 2015085251 W CN2015085251 W CN 2015085251W WO 2016015617 A1 WO2016015617 A1 WO 2016015617A1
Authority
WO
WIPO (PCT)
Prior art keywords
groove
rim
spoke
tire
wing
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/CN2015/085251
Other languages
English (en)
Chinese (zh)
Inventor
曹文彪
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.)
SHANGHAI COMSTAR WHEEL CO Ltd
Original Assignee
SHANGHAI COMSTAR WHEEL 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
Priority claimed from CN201420419915.1U external-priority patent/CN204055154U/zh
Priority claimed from CN201410363056.3A external-priority patent/CN105313587A/zh
Application filed by SHANGHAI COMSTAR WHEEL CO Ltd filed Critical SHANGHAI COMSTAR WHEEL CO Ltd
Publication of WO2016015617A1 publication Critical patent/WO2016015617A1/fr
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
    • B60B21/00—Rims
    • B60B21/12—Appurtenances, e.g. lining bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
    • B60C5/16—Sealing means between beads and rims, e.g. bands

Definitions

  • the invention relates to a spoke type tubeless wheel.
  • Tubeless tires commonly known as vacuum tires, were originally used primarily in automobiles, mainly for molded wheels.
  • the wire spoke wheels used in motorcycles are not provided with fixed steel wire spokes, and the sealing performance is not guaranteed. Therefore, most of the steel wire spoke wheels use tires with inner tubes. With the development of technology, tubeless tires are gradually applied to steel spoke wheels.
  • the Chinese invention patent of the authorization publication number CN100588561C discloses a tubeless rim and a method of manufacturing the same.
  • the left and right sides of the groove of the tubeless rim are respectively welded to the side wall of the convex portion, and the left and right sides of the sealing material are conveniently arranged to be buckled, the main body is bent, the root edge is warped, and the front side is curved.
  • a limiting buckle plate for the buckled elbow which is bent toward the lower side of the groove on the edge of the portion.
  • the limit buckle plate Since the limit buckle plate needs to be welded to the rim, the manufacturing process becomes complicated in the manufacturing process, and the manufacturing cost thereof also needs to be increased; in the course of use, the limit buckle plate is easily detached, resulting in Steel spokes pierce the tires and cause safety hazards to the vehicle; in addition, if the sealing material needs to be replaced or the spokes are replaced, the limit buckle plate needs to be pulled apart. Therefore, the tubeless rim is not suitable for multiple replacement of sealing materials or spokes. .
  • the Chinese utility model patent of the authorization publication number CN202753690U discloses a tubeless rim.
  • the tubeless rim is provided with a protruding tapered portion, and the two fork ends of the end portion of the sealing member are respectively disposed at upper and lower portions of the protruding tapered portion.
  • the arrangement of the protruding taper portion complicates the manufacturing process and increases the manufacturing cost; the seal member needs to be respectively sleeved on the upper and lower portions of the protruding taper portion, thereby improving the
  • the difficulty of wheel mounting increases the time cost of the worker and makes it difficult to replace seals and spokes.
  • the technical problem to be solved by the present invention is to provide a spoke-type tubeless wheel in order to overcome the drawbacks of the prior art that the manufacturing process is complicated, the manufacturing cost is high, and the replacement parts are troublesome.
  • a spoke type tubeless wheel comprising a tire, a rim and a hub, the rim and the hub being connected by a plurality of spokes, the tire being sleeved on the rim, characterized in that the rim is a sealing member is disposed, a first groove is disposed in the middle of the rim, and a second groove is disposed on each side of the first groove, the sealing member includes a body portion and the body portion a wing portion at each end of each of the wing portions is provided with a protruding portion, the body portion is attached to the first groove, and the protruding portion is interference-fitted with the second groove.
  • the wing is embedded between the tire and the rim.
  • the body portion of the sealing member is in contact with the first groove. Under the elastic force of the sealing member, the protruding portion and the second groove are interference-fitted, and the protruding portion is pressed and embedded in the second groove.
  • the wings on both sides of the seal are disposed between the tire and the hub such that a sealed tire space is formed between the tire and the seal. After inflation, the sealed tire space has good sealing properties.
  • the sealing member is provided with a transition portion between the body portion and the wing portion, and the transition portion is an arc-shaped protrusion.
  • the effect of the arcuate projections is equivalent to the action of the rim peaks. The presence of the rim peaks allows the sealing strip and the tire (ie the casing) to fit better together.
  • the wings are inclined downward from the end connected to the transition portion by 3 to 10 degrees.
  • the downward tilting of the wings improves the degree of sealing between the seal, the tire and the rim, thereby improving the sealing performance of the tire.
  • the wings are inclined downward by 5 from the end connected to the transition.
  • Experimental data shows that the tire seal is best when the wing is tilted down by 5°.
  • the first groove is a U-shaped groove
  • the second groove is a V-shaped groove
  • the two The two grooves are symmetrically distributed on both sides of the first groove, and the protrusion is V-shaped.
  • the first groove is a U-shaped groove, which is easy to process, and at the same time, it has a long bonding surface with the sealing member, which helps to improve the sealing performance.
  • the second groove and the projection are both V-shaped grooves, which are easy to process and easy to install, and the interference fit between the two helps to improve the sealing performance of the wheel.
  • the angle of the V-shaped groove of the second groove is 15° to 25°, and the angle of the V-shaped protrusion of the protrusion is 30° to 50°.
  • the experimental data shows that when the foregoing angle is adopted, the second groove has a good fit with the protrusion, which helps to improve the sealing performance.
  • the angle of the V-shaped groove of the second groove is 20°, and the angle of the V-shaped protrusion of the protrusion is 40°.
  • the experimental data shows that the sealing performance of the tire is optimal when the second groove and the projection are respectively used at the aforementioned angles.
  • the positive progressive effect of the invention is that the sealed tire space of the wheel of the invention has good sealing performance, and the longer the use time, the better the sealing performance; in addition, the wheel of the invention has low cost, convenient manufacturing and installation. And the convenience of replacing parts.
  • FIG. 1 is a schematic structural view of a preferred embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a rim according to a preferred embodiment of the present invention.
  • FIG 3 is a schematic view showing the structure of a sealing member attached to a rim according to a preferred embodiment of the present invention.
  • a spoke type tubeless wheel includes a tire 1, a rim 2 and a hub, the rim 2 and the hub are connected by a plurality of spokes 4, and the tire 1 is sleeved on the rim 2, the rim 2, a sealing member 3 is attached thereto, and a first groove 21 is disposed in the middle of the rim 2, and a second groove 22 is disposed on each side of the first groove 21, and the sealing member 3 includes a body portion 31 and is located at the body portion 31.
  • each of the wing portions 32 are respectively provided with protrusions 33, and the body portion 31 is attached to the first groove 21, the projection 33 is interference-fitted with the second recess 22, and the wing 32 is embedded between the tire 1 and the rim 2.
  • the material of the seal is generally rubber, which has a certain elasticity, usually a rubber ring.
  • the rim is provided with a first groove and a second groove, which are convenient to process and low in cost. Therefore, the wheel of the present invention has the advantages of low cost, convenient manufacturing and installation.
  • the body portion of the sealing member is in contact with the first groove. Under the elastic force of the sealing member, the protruding portion and the second groove are interference-fitted, and the protruding portion is pressed and embedded in the second groove.
  • the wings on both sides of the seal are disposed between the tire and the rim such that a closed tire space 5 is formed between the tire and the seal. After inflation, the sealed tire space 5 has good sealing properties.
  • the contact portion between the two will be partially fused as the use time is extended. Therefore, the longer the use time of the wheel of the present invention, the better the sealing performance of the closed tire space, and the drawback that the longer the use of the existing tire is, the worse the sealing performance is.
  • the wheel of the present invention has the advantage of being convenient to replace the part.
  • the sealing member 3 is provided with a transition portion 34 between the body portion 31 and the wing portion 32, and the transition portion 34 is an arcuate projection.
  • the effect of the arcuate projections is equivalent to the action of the rim peaks.
  • the presence of the rim peaks allows the sealing strip and the tire (ie the casing) to fit better together.
  • the wing portion 32 is inclined downward from the end connected to the transition portion 34 by 3 to 10 degrees.
  • the experimental data shows that when the wings are inclined downward by 3° to 10°, the sealing performance of the closed tire space is stronger than that of the wing when the angle is other inclined angles.
  • the sealing performance test was carried out for different angles between the inclination angles of the wings of 3° to 10°.
  • the final experimental data showed that the sealed tire space had the best sealing performance when the wings were inclined downward by 5°.
  • the first groove 21 may be a U-shaped groove
  • the second groove 22 may be a V-shaped groove
  • the two second grooves 22 may be symmetrically distributed on both sides of the first groove 21, and the protrusion 33 can be V type
  • the angle of the V-shaped groove of the second groove 22 may be 20°
  • the angle of the V-shaped protrusion of the protrusion 33 may be 40°.
  • the second groove and the projection are both V-shaped grooves, which are easy to process and easy to install, and the interference fit between the two helps to improve the sealing performance of the wheel.
  • the experimental data shows that the tire has the best sealing performance when the second groove and the projection are 20° and 40°, respectively.

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

Abstract

L'invention concerne une roue du type à rayons sans chambre à air comprenant un pneu (1), une jante (2) et un moyeu; la jante (2) est raccordée au moyeu par l'intermédiaire d'une pluralité de rayons (4); le pneu (1) est installé sur la jante (2) dotée d'une première rainure (21) au niveau de sa partie médiane; deux côtés de la première rainure (21) sont respectivement dotées d'une seconde rainure (22); une pièce d'étanchéité (3) est fixée sur la jante (2); la pièce d'étanchéité (3) comprend une partie corps (31) et des parties aile (32) situées au niveau de deux extrémités de la partie corps (31); une partie convexe (33) est disposée sous chaque partie aile (32); la partie corps (31) est fixée à la première rainure (21); la partie convexe (33) présente un ajustement avec serrage avec la seconde rainure (22); et la partie aile (32) est encastrée entre le pneu (1) et la jante (2). La roue présente une bonne performance d'étanchéité et de faibles coûts, permet de remplacer une pièce de façon pratique et est commode à fabriquer, usiner et installer.
PCT/CN2015/085251 2014-07-28 2015-07-28 Roue du type à rayons sans chambre à air Ceased WO2016015617A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201420419915.1 2014-07-28
CN201410363056.3 2014-07-28
CN201420419915.1U CN204055154U (zh) 2014-07-28 2014-07-28 辐条式无内胎车轮
CN201410363056.3A CN105313587A (zh) 2014-07-28 2014-07-28 辐条式无内胎车轮

Publications (1)

Publication Number Publication Date
WO2016015617A1 true WO2016015617A1 (fr) 2016-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/085251 Ceased WO2016015617A1 (fr) 2014-07-28 2015-07-28 Roue du type à rayons sans chambre à air

Country Status (1)

Country Link
WO (1) WO2016015617A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3578388A1 (fr) * 2018-06-06 2019-12-11 ENVE Composites, LLC Ruban de fond de jante pour jante de bicyclette
US10596850B2 (en) 2015-12-07 2020-03-24 Enve Composites, Llc Rim strip for bicycle rim

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727051A1 (de) * 1987-08-13 1989-02-23 Sumitomo Rubber Ind Anordnung aus schlauchlosem reifen und radfelge fuer kraftraeder
GR3022437T3 (en) * 1993-03-15 1997-04-30 Aloy Jorge Nadal Sealing device for tubeless radial spoke wheels.
US20050210675A1 (en) * 2004-03-26 2005-09-29 Price Chad N Sealed tubeless tire bicycle wheel
CN204055154U (zh) * 2014-07-28 2014-12-31 上海康适达轮圈有限公司 辐条式无内胎车轮

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727051A1 (de) * 1987-08-13 1989-02-23 Sumitomo Rubber Ind Anordnung aus schlauchlosem reifen und radfelge fuer kraftraeder
GR3022437T3 (en) * 1993-03-15 1997-04-30 Aloy Jorge Nadal Sealing device for tubeless radial spoke wheels.
US20050210675A1 (en) * 2004-03-26 2005-09-29 Price Chad N Sealed tubeless tire bicycle wheel
CN204055154U (zh) * 2014-07-28 2014-12-31 上海康适达轮圈有限公司 辐条式无内胎车轮

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10596850B2 (en) 2015-12-07 2020-03-24 Enve Composites, Llc Rim strip for bicycle rim
EP3578388A1 (fr) * 2018-06-06 2019-12-11 ENVE Composites, LLC Ruban de fond de jante pour jante de bicyclette

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