WO2001005607A1 - Dispositif pour pneus, procede de fabrication de pneus et elements de pneus - Google Patents

Dispositif pour pneus, procede de fabrication de pneus et elements de pneus Download PDF

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Publication number
WO2001005607A1
WO2001005607A1 PCT/JP2000/004802 JP0004802W WO0105607A1 WO 2001005607 A1 WO2001005607 A1 WO 2001005607A1 JP 0004802 W JP0004802 W JP 0004802W WO 0105607 A1 WO0105607 A1 WO 0105607A1
Authority
WO
WIPO (PCT)
Prior art keywords
tire
wheel rim
tire element
elements
mounting hole
Prior art date
Application number
PCT/JP2000/004802
Other languages
English (en)
Japanese (ja)
Inventor
Toyoharu Maeda
Hiromi Maeda
Original Assignee
Toyoharu Maeda
Hiromi Maeda
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 Toyoharu Maeda, Hiromi Maeda filed Critical Toyoharu Maeda
Priority to AU60189/00A priority Critical patent/AU6018900A/en
Publication of WO2001005607A1 publication Critical patent/WO2001005607A1/fr

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Classifications

    • 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
    • B60C5/18—Sectional casings, e.g. comprising replaceable arcuate parts

Definitions

  • the present invention relates to a tire device. More specifically, the present invention relates to a tire device including a plurality of tire elements, a tire element included in the tire, and a tire configuration method.
  • a tire device used for a bicycle or the like has a hub portion rotatably supported on an axle, an annular wheel rim portion disposed so as to surround the hub portion, and is mounted on the wheel rim portion.
  • Tires The tire is integrally formed from an elastic material such as rubber formed in a hollow annular shape.
  • the hollow interior is filled with compressed air via a rubber tube or directly to impart elasticity to the tire.
  • the above-mentioned cutter is attached by fitting its inner peripheral edge into a concave portion formed on the outer peripheral portion of the wheel rim portion. For this reason, mounting and removing tires is troublesome.
  • the replacement and repair of tires requires special tools and specialized skills, users rarely replace or repair tires themselves.
  • the compressed air is filled in one air chamber to impart elasticity to the tire, so that the tire cannot be run because only one hole is formed, and repair is required. .
  • a tire device that is configured by mounting a plurality of tire elements on a wheel rim portion has been devised, as disclosed in Japanese Utility Model Laid-Open No. 5-122202. I have.
  • the tire device described in the above publication includes a plurality of ball-shaped tire elements detachably mounted around a wheel rim portion. In this tire device, even if one tire element is punctured, puncture repair can be performed only by replacing this tire element.
  • a plurality of tire elements are attached to the outer peripheral portion of the wheel rim using screws.
  • Each tire element has an internal mounting
  • a sabot member is provided in an embedded manner.
  • a shaft extending from the sabot member is connected to the wheel rim by a screw, and a tire element is attached to the wheel rim.
  • the tire element Since the tire element is formed integrally with the sabot member by insert molding, deformation and stress tend to concentrate on the edge of the support member. Therefore, it is difficult to construct high strength tire elements. In addition, since each tire element needs to maintain a predetermined size and shape at a predetermined pressure, a high level and accuracy are required, and the manufacturing cost increases.
  • Each tire element according to the present invention can be easily attached to and detached from the wheel rim portion. Also, the mounting strength to the wheel rim is high. In addition, the force acting on each of the tire elements that contact the ground can be dispersed to prevent a decrease in ride comfort and steering performance, and to achieve an unprecedented design effect.
  • the present invention includes a hub portion rotatably supported by an axle and an annular wheel rim portion disposed around the hub portion, and is configured by mounting a hub around the outer periphery of the wheel rim portion.
  • a tire device comprising: a plurality of tire elements each having a mounting hole penetrating in the axle direction and being arranged and mounted in a circumferential direction of the wheel rim portion; and an outer periphery of the wheel rim portion.
  • mounting walls are provided extending radially outward so as to sandwich the respective tire elements from both sides, and both ends of the fitting shafts fitted into the mounting holes of the respective tire elements are provided at both ends. It is configured to be supported in a bridging manner on the mounting wall.
  • the vehicle to which the tire device according to the present invention can be applied is not particularly limited. It can be widely applied to motorcycles, bicycles, industrial vehicles, etc. in addition to ordinary automobiles. In particular, it is suitable for tires for vehicles running at low speed such as bicycles, wheelchairs, and forklifts.
  • the hub portion is a portion connected to the axle of the vehicle, and the shape, structure, and the like are not particularly limited.
  • the wheel rim is arranged so as to surround the hub, and the tire elements are arranged and fixed to an outer edge thereof.
  • the connection structure between the wheel rim portion and the hub portion is not particularly limited, and may be connected using a spoke like a bicycle, or may be connected via a disc having a disc surface. Further, the wheel rim portion, the spoke portion, and the hub portion can be integrally formed of resin or the like.
  • each tire element is formed with a mounting hole penetrating in the axle direction, and is connected and fixed to the wheel rim portion via a fitting shaft portion fitted into the mounting hole.
  • each tire element can be easily attached and detached. Therefore, even if some tire elements become punctured, they can be easily replaced.
  • the tire elements having various colors and patterns added to the surface can be arranged as desired to exhibit a design effect.
  • each tire element is mounted in a state supported by the inner surface of the mounting wall portion, the outer peripheral surface of the wheel rim portion, and the outer peripheral surface of the fitting shaft portion, respectively.
  • the tire element is held in a back-up state in a large area. Therefore, unnecessary deformation of each tire element is restricted, and running stability is improved.
  • the form of each tire element according to the present invention is not particularly limited.
  • the tire element can be formed as a hollow with internal pressure applied.
  • the entire tire element can be formed of a sponge-like solid elastic material.
  • the mounting wall is formed integrally with the wheel rim.
  • the wheel rim portion and the mounting wall portion can be integrally formed of resin.
  • the invention described in claim 2 of the present application is characterized in that the fitting shaft portion is provided with a compression support member that abuts on the inner peripheral portion of the mounting hole and presses the shear element. It is.
  • Each of the tire elements can be mounted in a compressed state by the compression supporting member. Therefore, the tire element formed only of the elastic material can be reliably positioned and connected and fixed to the wheel rim portion. Also, since the central part of each tire element can be positioned and fixed, the positioning accuracy is high.
  • the compression support member allows the internal pressure to be adjusted without substantially changing the outer diameter of the tire element.
  • the periphery of the mounting hole is deformed and the internal pressure changes, but the outer peripheral portion of each tire element is hardly deformed. Therefore, the inner pressure of the tire element can be adjusted by adjusting the degree of compression of the compression support member without substantially deforming the outer shape of each tire element.
  • the internal pressure of the tire element before mounting can be set low. After the tire element is mounted, the internal pressure of the tire element can be increased by adjusting the degree of compression of the compression support member. Therefore, not only can the tire element be easily attached / detached, but also it can be easily corrected even if the internal pressure of the tire element changes.
  • the compression support member is provided on both sides of each of the tire elements, and the compression support members are brought close to each other, so that the edge of the mounting hole of the sunset element is provided.
  • the inner peripheral portion is configured to be pressed.
  • both sides of each of the tire elements are also brought into close contact with the mounting wall. This makes it possible to reliably hold each tire element in a positioned state. Also, the wheel rim And the tire elements are in close contact with each other, so that mud and sand do not enter between the tire elements and the wheel rim.
  • the shape of the compression support member is not particularly limited, and may be any shape as long as it can abut on the edge or inner peripheral portion of the mounting hole to compress the tire element.
  • it can be formed in a hemispherical shape having a diameter larger than the inner diameter of the mounting hole. Also, it can be formed into an egg shape or triangular fiber shape.
  • the invention described in claim 4 of the present application is provided with adjusting means capable of adjusting the pressing force of the compression support member on each tire element.
  • adjusting means for example, compression support members are provided on both sides of each tire element, and the compression support members are held close to each other by screws fitted in a bridging manner. be able to.
  • the invention described in claim 5 of the present application is one in which adjacent tire elements are brought into contact with each other and held in a state in which pressure acts.
  • each tire element can be set low, and after mounting, the pressure can be increased by using the adjusting means. For this reason, the pressure acting between adjacent tires does not make it difficult to attach or detach each tire element.
  • each tire element can be supported from all directions other than the ground contact surface, and the mounting strength and shock absorbing performance are improved.
  • the invention described in claim 6 of the present application is a tire element that constitutes a tire by arranging and fixing it in a row on the outer periphery of a wheel rim portion of a wheel, wherein the mounting hole penetrates in the axial direction of the wheel. This is configured to be attached to the outer periphery of the wheel rim through the mounting hole.
  • the invention described in claim 7 of the present application is configured such that the tire element is formed in a hollow shape and a predetermined internal pressure is applied thereto.
  • the outer shape of the tire element is not particularly limited, A rectangular parallelepiped shape formed on the surface can be adopted.
  • the mounting hole is desirably formed in a circular shape in a side view.
  • the invention described in claim 8 of the present application is directed to an inner tire element formed to be hollow and filled with compressed air, and an outer tire attached so as to cover an outer periphery of the inner tire element. And an element.
  • the tire device according to the present invention can be applied to various vehicle tire devices. Further, by configuring the outer tire element to be replaceable, one tire device can be applied to various uses. For example, as the outer tire element, one for off-road and one for on-road can be prepared and used in combination with the inner tire element according to the purpose of use. Also, the outer tire element can be formed from a wear resistant material to improve the tire's durability.
  • the method for assembling the inner tire element and the outer tire element is not particularly limited.
  • the inner tire element and the outer tire element can be assembled by the elasticity of compressed air.
  • an outer tire element may be bonded to an outer peripheral portion of the inner tire element by bonding or the like.
  • the outer tire element is not necessary to provide an outer tire element over the entire inner tire element. For example, durability can be improved by providing an outer tire element only in a portion that contacts the ground. Further, the outer tire element is formed of a material having a rigidity as compared with the inner tire element, so that the outer tire element can be easily mounted on the wheel rim portion.
  • the inside tire element is provided with a compressed air injection means
  • the outside tire element is provided with an opening communicating with the compressed air injection means
  • the pressure of the inner tire element can be adjusted. For example, it is useful when adjusting the air pressure of the inner tire element when joining the inner tire element and the outer tire element using the elasticity of compressed air.
  • the compressed air can be injected into the inner tire element. Can be easily performed.
  • the invention described in claim 10 of the present application is a method of forming a tire on the outer periphery of a wheel rim portion of a wheel, comprising: mounting a plurality of tire elements each having a mounting hole formed in an axle direction on the wheel rim. On the outer periphery of the wheel rim, the tires are positioned and held on the outer periphery of the wheel rim in a state where a compression force is applied to each of the tire elements by the compression support means fitted into the mounting hole while being arranged in an outer peripheral portion of the portion. It is composed.
  • a tire is formed by adopting a hollow tire element and adjusting the air pressure inside the hollow to a predetermined value by the compression support means. be able to.
  • FIG. 1 is a perspective view showing the entirety of a tire device according to the present invention.
  • FIG. 2 is a front view of a main part of the tire device shown in FIG.
  • FIG. 3 is a perspective view showing a state where a tire element is removed from the tire apparatus shown in FIG. 1.
  • FIG. 4 is a front view of a tire element.
  • FIG. 5 is a sectional view taken along the line V--V in FIG.
  • FIG. 6 is a plan view of the tire element shown in FIG.
  • FIG. 7 is a sectional view taken along the line VII-VII in FIG.
  • FIG. 8 is a sectional view taken along the line VIII-VIII in FIG.
  • FIG. 9 is a front view showing a second embodiment of the coupling element of the present invention.
  • FIG. 10 is a cross-sectional view taken along line ⁇ in FIG.
  • FIG. 11 is a sectional view taken along line XI-XI in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • the present invention is applied to a bicycle tire device.
  • the tire device 1 includes a hub portion 2 rotatably supported by an axle (not shown), and an annular wheel rim portion 3 disposed around the hub portion 2.
  • a plurality of spoke portions 4 are provided radially between the hub portion 2 and the wheel rim portion 3 and a plurality of tire elements 5 are attached to the outer peripheral portion of the wheel rim portion 3 to form a set. 1.
  • FIG. 2 is a front view of a main part of the above-described tire device 1
  • FIG. 3 is a perspective view showing a state where the tire element 5 is removed from the tire device 1 shown in FIG.
  • the hub portion 2, the wheel rim portion 3, and the spoke portion 4 according to the present embodiment are integrally formed of a resin material.
  • the hub portion 2 and the spoke portion 4 have the same structure as that of a conventional general tire device, and a description thereof will be omitted.
  • the wheel rim portion 3 according to the present embodiment has an annular shape, and the inner peripheral portion is connected to the hub portion 2 via the spoke portion 4.
  • an outer peripheral mounting surface 6 for mounting each tire element 5 and a plurality of mounting walls 7 are formed on the outer peripheral portion.
  • the outer peripheral mounting surface 6 has a cross section including the axle formed in a concave shape corresponding to the bottom shape of the connector element 5.
  • a bulging portion 8 for pressing each tire element 5 is formed at a circumferentially intermediate portion of a portion of the outer peripheral mounting surface 6 where the tire element 5 is arranged.
  • the mounting wall portion 7 is integrally formed so as to extend from the outer peripheral side edge portion of the wheel rim portion 3 and faces the outer peripheral mounting surface 6 so as to sandwich each tire element 5.
  • a shaft hole 9 is provided at a tip end of the mounting wall portion 7, and an end portion of the fitting shaft portion 10 that supports the tire element 5 is supported.
  • the tire element 5 is formed in a hollow rectangular parallelepiped shape with rounded corners, and has an axle-direction mounting hole 11 formed in the center. .
  • the tire element 5 is formed of a textile reinforcing rubber, and air is sealed therein at a predetermined pressure. Note that, in this embodiment, the air injection section is omitted.
  • each of the tire elements 5 is attached to the outer peripheral mounting surface 6 so as to be sandwiched between the opposing mounting walls 7, 7 and fitted into the mounting holes 11. It is supported by the mounting walls 7 and 7 via the fitting shaft 10 to be formed.
  • the fitting shaft portion 10 includes a pair of compression members 13 a, 1 b supported by the shaft holes 9 a, 9 b of the mounting wall portions 7, 7 on both sides. 3b, a bolt 14 and a nut 15 for connecting the compression members 13a and 13b in a bridging manner. Further, hemispherical pressing surfaces 20 and 20 having a diameter larger than the diameter of the mounting hole 11 are formed on the inner surfaces of the compression members 13a and 13b, respectively.
  • one compression member 13 a has a cylindrical inner surface-shaped bolt receiving hole 16 and a through hole 17 for receiving the cylindrical head of the bolt 14.
  • the other compression member 13b is provided with a nut hole 18 and a through hole 19 for accommodating the hexagon nut 15 so as not to rotate relatively. Insert a hexagon wrench into the hexagonal hole 21 formed in the head of the bolt 14 and rotate the bolt 14 relative to the nut 15 so that the pair of compression members 13 a, 1 3b can be moved closer and further away.
  • the tire element 5 shown in FIGS. 4 to 6 is inserted between the mounting walls 7 and 7.
  • the compression members 13a and 13b are attached to the edge of the mounting hole 11 of the screw element 5 from the shaft holes 9 of the mounting wall portions 7 and Insert the bolts 14 and screw them into the nuts 15.
  • the inner peripheral portion of the coupling element 5 is elastically deformed, and the internal pressure increases.
  • the bottom of the evening element 5 is brought into close contact with the outer peripheral mounting surface 6, and both sides are brought into close contact with the inner surface of the mounting wall 7.
  • the outer surfaces of the adjacent tire elements 5 are also brought into close contact with each other, and as shown in FIG. 8, each tire element 5 is held in a state where it is positioned on the outer periphery of the wheel rim portion 3.
  • a sabot member for attachment is used for each tire. It is not necessary to provide the element 5 integrally with the element 5, and the coupling element 5 can be composed only of an elastic member such as rubber. Therefore, not only the manufacture of each tire element 5 is facilitated, but also the strength of the tire element 5 does not decrease due to the joining of the sabot members.
  • each tire element can be attached and detached extremely easily.
  • both side surfaces, the bottom surface, and the inner peripheral surface of the mounting hole 11 of each tire element 5 correspond to the inner surface of the mounting wall portion 7 and the outer peripheral surface of the wheel rim portion 3.
  • the surface 6 is attached to the pressing members 13a, 13b in a state of being in contact with the pressing surfaces 20 and 20, respectively. Therefore, each tire element 5 is held in a state of being backed up by a large area, and each tire element 5 can be reliably positioned and held. In addition, unnecessary deformation force is regulated, which increases running stability.
  • the compression support members 13a and 13b deform the inner peripheral portion of the mounting hole of each tire element to perform compression, the outer shape of the tire element 5, especially the outer shape in the radial direction, is almost completely reduced. It is possible to adjust the internal pressure without changing. That is, the air pressure can be adjusted while the outer diameter of the wheel is kept substantially constant. For this reason, even if the air pressure of each tire element is slightly different, it is possible to mount the tire element 5, and the interchangeability of the tire element 5 is enhanced, and replacement can be extremely easily performed.
  • a bulging portion 8 is provided at the center of the outer peripheral mounting surface 6.
  • the tire element 50 includes an inner tire element 51 and an outer tire element 52.
  • the inner tire element 51 is shown in Figs. 10 and 11. Thus, it is formed in a hollow annular shape.
  • a compressed air injection portion 53 is provided inside the inner tire element 51 radially inward.
  • an engagement convex portion 54 for engaging with the outer tire element 52 is formed radially outward of the inner tire element 51.
  • the outer tire element 52 has a quadrangular side profile, and a concave portion 55 for accommodating the inner tire element 51 is provided inside.
  • the recess 55 is formed such that the side surface of the inner tire element 51 is exposed.
  • an opening portion 56 communicating with the compressed air injection portion 53 of the inner tire element 51 is formed inside the outer tire element 52 in the radial direction.
  • an engagement hole 57 with which the engagement protrusion 54 of the inner tire element 51 is engaged is formed radially outward.
  • the durability of the tire is enhanced by forming the outer tire element 52 from a material having high wear resistance.
  • the outer tire element can be easily replaced by bleeding air from the compressed air inlet.
  • various types of outer tire elements can be prepared and replaced according to the purpose.
  • the wheel rim portion 30 is provided with an opening portion 57 communicating with the compressed air injection portion 53 so that the air pressure of the inner tire element 51 can be adjusted while being attached to the wheel rim 30.
  • a compressed air charging hose is connected to the compressed air injection section 53 through the opening 57 of the wheel rim 30 and the opening 56 of the outer coupling element 52, and the compressed air is supplied. Can be injected into the inner tire element 51 or the pressure can be reduced by bleeding compressed air. Thereby, the pressure of the tire element 50 can be easily adjusted.
  • the outer tire element 52 is configured to cover the outer periphery of the inner tire element 51, and the side surface of the inner tire element 51 is exposed from the outer tire element 52. I have. For this reason, by setting the outer tire element 52 and the inner tire element 51 to different colors, it is possible to give a design that has not been used before.
  • the present invention is not limited to the above embodiment.
  • the configuration is such that 36 identical tire elements are mounted on the outer periphery of the wheel rim portion 3 every 10 degrees, fewer or more than 36 tire elements can be provided.
  • a tire can be configured by combining a plurality of types of tire elements having different forms.
  • the mounting wall 7 is provided integrally with the outer peripheral edge of the wheel rim 3, but may be formed by other means.
  • the material and form of the tire element are not limited. In the embodiment, it is formed in a substantially rectangular parallelepiped hollow shape. However, for example, it can be formed into a solid shape with an elastic material. Further, a structure in which a non-slip groove or a protrusion is formed on the outer peripheral portion may be configured. Furthermore, it is also possible to add a design effect by changing the coloring of each tire element.

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

Abstract

L'invention se rapporte à un dispositif (1) pour pneus comportant une partie moyeu (2) supportée de manière à pouvoir tourner sur un essieu, une partie jante annulaire (3) disposée autour de la partie moyeu, et un pneu disposé sur la périphérie externe de la partie jante. Le pneu est muni de trous de montage traversants dirigés vers l'essieu et il est formé d'une pluralité d'éléments (5) de pneus disposés circonférentiellement sur la partie jante. Des parties de parois de montage (7), dirigées radialement vers l'extérieur de manière à maintenir de part et d'autre les éléments de pneus, sont installées sur les deux parties périphériques externes de la jante, et les deux extrémités terminales des parties d'arbres (10) qui sont adaptées aux trous de montage des éléments de pneus sont supportées et raccordées par pontage aux parties de parois de montage (7).
PCT/JP2000/004802 1999-07-16 2000-07-17 Dispositif pour pneus, procede de fabrication de pneus et elements de pneus WO2001005607A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU60189/00A AU6018900A (en) 1999-07-16 2000-07-17 Tire device, tire forming method, and tire elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20261499A JP2003205703A (ja) 1999-07-16 1999-07-16 タイヤ装置、タイヤの構成方法及び分割タイヤ要素
JP11/202614 1999-07-16

Publications (1)

Publication Number Publication Date
WO2001005607A1 true WO2001005607A1 (fr) 2001-01-25

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ID=16460320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/004802 WO2001005607A1 (fr) 1999-07-16 2000-07-17 Dispositif pour pneus, procede de fabrication de pneus et elements de pneus

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JP (1) JP2003205703A (fr)
AU (1) AU6018900A (fr)
WO (1) WO2001005607A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101511182B1 (ko) * 2013-11-21 2015-04-13 순천향대학교 산학협력단 휠 조립체 및 휠 조립체가 적용된 휠체어

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1330815A (en) * 1917-01-17 1920-02-17 James B O'connor Sectional pneumatic tire
US2143471A (en) * 1937-02-23 1939-01-10 Pack J Airplane wheel and tire construction
US2208670A (en) * 1939-03-02 1940-07-23 Melquiades J Gamboa Vehicle tire
WO1993016890A1 (fr) * 1992-02-28 1993-09-02 COMPAGNIE GéNéRALE DES ETABLISSEMENTS MICHELIN - MICHELIN & CIE Pneumatique a plusieurs secteurs independants amovibles et renforces
WO1996028613A1 (fr) * 1995-03-15 1996-09-19 Caron Compactor Company Roues ameliorees pour postes de transfert

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1330815A (en) * 1917-01-17 1920-02-17 James B O'connor Sectional pneumatic tire
US2143471A (en) * 1937-02-23 1939-01-10 Pack J Airplane wheel and tire construction
US2208670A (en) * 1939-03-02 1940-07-23 Melquiades J Gamboa Vehicle tire
WO1993016890A1 (fr) * 1992-02-28 1993-09-02 COMPAGNIE GéNéRALE DES ETABLISSEMENTS MICHELIN - MICHELIN & CIE Pneumatique a plusieurs secteurs independants amovibles et renforces
WO1996028613A1 (fr) * 1995-03-15 1996-09-19 Caron Compactor Company Roues ameliorees pour postes de transfert

Also Published As

Publication number Publication date
AU6018900A (en) 2001-02-05
JP2003205703A (ja) 2003-07-22

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