WO2007010071A2 - Wheel with shock-absorbing suspension - Google Patents

Wheel with shock-absorbing suspension Download PDF

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Publication number
WO2007010071A2
WO2007010071A2 PCT/ES2006/000427 ES2006000427W WO2007010071A2 WO 2007010071 A2 WO2007010071 A2 WO 2007010071A2 ES 2006000427 W ES2006000427 W ES 2006000427W WO 2007010071 A2 WO2007010071 A2 WO 2007010071A2
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
ring
band
holes
outer end
Prior art date
Application number
PCT/ES2006/000427
Other languages
Spanish (es)
French (fr)
Other versions
WO2007010071A3 (en
Original Assignee
Ressorts I Molles Barcino, S. A.
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 Ressorts I Molles Barcino, S. A. filed Critical Ressorts I Molles Barcino, S. A.
Publication of WO2007010071A2 publication Critical patent/WO2007010071A2/en
Publication of WO2007010071A3 publication Critical patent/WO2007010071A3/en

Links

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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/10—Spiral springs with turns lying substantially in plane surfaces
    • 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
    • B60B3/001—Lightweight wheels, e.g. for strollers or toys
    • 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
    • B60B9/08—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims in flat coiled form
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/041—Wound springs with means for modifying the spring characteristics

Definitions

  • the present invention is related to the rolling equipment of mobiles that require a special smoothness and compensation of the support in the displacements, proposing a wheel equipped with special characteristics for said function.
  • a structured wheel is proposed according to an embodiment of constructive and functional characteristics that make it suitable for solving the problem of a damped suspension in the application apparatus.
  • a wheel which includes in itself a damping arrangement, by means of its own constructive structure, so that it is not necessary to determine in the structural framework of the application apparatus complex arrangements so that an elastic suspension on the rolling supports results.
  • the recommended wheel is also a great structural simplicity and very economical construction, since the component elements are very simple and easy to perform with existing machinery.
  • the central spiral strip can be fixed on the ring of the tire by any conventional method, such as welding, riveting, etc .; it being provided that said strip incorporates a distribution of holes distributed along it, with which weight is reduced and material is saved; which holes are determined in addition to a progressive diameter from the periphery towards the center in the distribution on the spiral, which results in a progressive flexibility of the strap in said direction towards the center, favoring the effect of elastic suspension of the wheel for the application assembly.
  • Figure 1 shows in perspective a wheel according to the invention.
  • Figure 2 is a perspective of the wheel rim without the outer peripheral cover.
  • Figures 3 and 4 are corresponding paths, side and profile views of said tire of Figure 2. Detailed description of the invention
  • the fixing of the strap (4) on the ring (1) can be carried out by any means that ensures the necessary strength for the function of the wheel, such as welding, riveting, etc., thus obtaining a structural assembly of the wheel with which The annular periphery formed by the ring (1) and the cover (3) determines the support band for rolling, while the inner strap (4) determines the support for mounting on the corresponding axis.
  • the function of the wheel for rolling when mounted on an axle is the same as that of a conventional wheel, but in this recommended wheel the inner strap (4) determines an elastic suspension between the mounting shaft and the point of rolling support, which confers a damping arrangement by means of the wheel itself, which makes the device that is supported on wheels of this type floating on the rolling supports, softening the impact of the alterations of the support floor .
  • a distribution of holes (6) distributed along the same is provided, with which weight is reduced and material is saved, said holes (6) being defined with a progressively increasing diameter thereof in Ia distribution from the outer end to the central end, which determines an equally progressive elasticity of the strap (4) from the outer end to the central end, thereby favoring the elasticity of the floating suspension that determines the wheel between the mounting center on the application axis and the rolling support point.2

Landscapes

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

Abstract

The invention relates to a wheel with shock-absorbing suspension, which is intended to cushion impact between the ground and the apparatus supported on the wheel. The invention is characterised in that it comprises a rim formed by a peripheral ring (1) having a spirally-arranged band (4) disposed therein. The aforementioned band is equipped with a series of holes which are distributed along the length thereof, the diameter of said holes increasing gradually from the outer end of the band to the central end (4) thereof. The outer end of the band is fixed to the ring (1) while the inner end thereof defines a central hub (5) which is used to mount the wheel to the corresponding axle.

Description

Rueda con suspensión amortiguadora. Wheel with shock absorber suspension.
DESCRIPCIÓN Sector de Ia técnicaDESCRIPTION Technical sector
La presente invención está relacionada con el equipamiento de rodadura de móviles que requieren una especial suavidad y compensación del apoyo en los desplazamientos, proponiendo una rueda dotada de unas especiales características para dicha función. Estado de Ia técnicaThe present invention is related to the rolling equipment of mobiles that require a special smoothness and compensation of the support in the displacements, proposing a wheel equipped with special characteristics for said function. State of the art
En ciertos móviles, como los coches o sillas de niños, carros de compra, camillas para herido, etc., es importante el suavizar las vibraciones que se producen por Ia rodadura de los apoyos en los desplazamientos, y además se requiere poder salvar con cierta facilidad desniveles, por ejemplo para subir aceras o tramos de escaleras.In certain mobiles, such as cars or children's chairs, shopping carts, stretchers for the injured, etc., it is important to soften the vibrations that are produced by the rolling of the supports in the displacements, and in addition it is required to be able to save with certain ease of unevenness, for example to climb sidewalks or flights of stairs.
Para proporcionar a dichos móviles de cualidades adecuadas en esos sentidos, convencionalmente se recurre a Ia estructuración de los mismos con montajes de suspensión elástica que favorecen Ia amortiguación y permiten una deformación estructural para absorber de manera positiva los desniveles de aceras o accidentes similares de los suelos de desplazamiento.In order to provide said mobiles with suitable qualities in those directions, they are conventionally used to structure them with elastic suspension assemblies that favor damping and allow structural deformation to positively absorb sidewalk unevennesses or similar soil accidents. of displacement.
Las soluciones convencionales de dicha suspensión elástica se aplican en el armazón estructural de los aparatos de aplicación, Io cual requiere montajes complicados y costosos, incrementando además el índice de Ia influencia de causas que pueden ocasionar mal funcionamiento. Objeto de Ia invenciónConventional solutions of said elastic suspension are applied in the structural framework of the application apparatus, which requires complicated and expensive assemblies, also increasing the index of the influence of causes that can cause malfunction. Object of the invention
De acuerdo con Ia invención se propone una rueda estructurada según una realización de características constructivas y funcionales que Ia hacen apta para solucionar por sí misma el problema de una suspensión amortiguada en los aparatos de aplicación.In accordance with the invention, a structured wheel is proposed according to an embodiment of constructive and functional characteristics that make it suitable for solving the problem of a damped suspension in the application apparatus.
Esta rueda objeto de Ia invención consta de una llanta formada por un aro que exteriormente determina Ia conformación necesaria para el montaje de una cubierta de goma o similar, bien sea maciza o con cámara de aire, incorporando unido a dicho anillo en Ia parte interior un fleje conformado en espiral, el cual determina en su extremo central el buje para el montaje de Ia rueda sobre el eje correspondiente.This wheel object of the invention consists of a tire formed by a ring that externally determines the conformation necessary for the assembly of a rubber cover or similar, either solid or with a chamber of air, incorporating attached to said ring in the inner part a spiral shaped strip, which determines at its central end the hub for mounting the wheel on the corresponding axle.
Se obtiene así una rueda que incluye en sí misma una disposición de amortiguación, mediante su propia estructura constructiva, de manera que no es necesario determinar en el armazón estructural del aparato de aplicación disposiciones complejas para que resulte una suspensión elástica sobre los apoyos de rodadura.A wheel is thus obtained which includes in itself a damping arrangement, by means of its own constructive structure, so that it is not necessary to determine in the structural framework of the application apparatus complex arrangements so that an elastic suspension on the rolling supports results.
La rueda preconizada resulta además de una gran simplicidad estructural y realización constructiva muy económica, ya que los elementos componentes son muy sencillos y de fácil realización con ia maquinaria existente.The recommended wheel is also a great structural simplicity and very economical construction, since the component elements are very simple and easy to perform with existing machinery.
El fleje espiral central puede ser fijado sobre el anillo de Ia llanta por cualquier método convencional, como soldadura, remachado, etc.; estando previsto que dicho fleje incorpore una distribución de agujeros repartidos a Io largo del mismo, con Io que se reduce peso y se ahorra material; los cuales agujeros se determinan además de una diámetro progresivo desde Ia periferia hacia el centro en Ia distribución sobre Ia espiral, con Io que resulta una flexibilidad progresiva del fleje en dicho sentido hacia el centro, favoreciendo el efecto de suspensión elástica de Ia rueda para el montaje de aplicación.The central spiral strip can be fixed on the ring of the tire by any conventional method, such as welding, riveting, etc .; it being provided that said strip incorporates a distribution of holes distributed along it, with which weight is reduced and material is saved; which holes are determined in addition to a progressive diameter from the periphery towards the center in the distribution on the spiral, which results in a progressive flexibility of the strap in said direction towards the center, favoring the effect of elastic suspension of the wheel for the application assembly.
Por todo ello, dicha rueda objeto de Ia invención resulta de unas características ciertamente ventajosas para Ia función a Ia que se halla destinada, adquiriendo vida propia y carácter preferente respecto de las ruedas convencionales de Ia misma aplicación. Descripción de las figurasTherefore, said wheel object of the invention is certainly advantageous for the function to which it is intended, acquiring its own life and preferential character with respect to the conventional wheels of the same application. Description of the figures
La figura 1 muestra en perspectiva una rueda según Ia invención. La figura 2 es una perspectiva de Ia llanta de Ia rueda sin Ia cubierta periférica exterior. Las figuras 3 y 4 son sendas correspondientes vistas, de costado y de perfil, de dicha llanta de Ia figura 2. Descripción detallada de Ia invenciónFigure 1 shows in perspective a wheel according to the invention. Figure 2 is a perspective of the wheel rim without the outer peripheral cover. Figures 3 and 4 are corresponding paths, side and profile views of said tire of Figure 2. Detailed description of the invention
EI objeto de Ia invención se refiere a una rueda para aparatos de desplazamiento por rodadura, como coches y sillas de niños, carros de compra, camillas médicas, etc., poseyendo dicha rueda unas características de realización constructiva que permiten establecer directamente con Ia rueda una suspensión elástica del aparato de aplicación.The object of the invention refers to a wheel for rolling displacement devices, such as cars and children's chairs, shopping carts, medical stretchers, etc., said wheel having constructional characteristics that allow establishing directly with the wheel a elastic suspension of the application apparatus.
La rueda preconizada consta de una llanta formada por un aro (1) de cualquier material con la resistencia necesaria para Ia función de Ia rueda, determinando dicho aro (1) en Ia periferia externa Ia conformación oportuna (2) para el montaje de una cubierta (3) de goma o similar, que puede ser maciza o con cámara de aire.The recommended wheel consists of a rim formed by a ring (1) of any material with the necessary strength for the function of the wheel, said ring (1) determining in the outer periphery the appropriate conformation (2) for the assembly of a cover (3) rubber or similar, which can be solid or with an air chamber.
En el interior del aro (1) se dispone un fleje (4) conformado de manera espiral, el cual se establece unido por su extremo exterior sobre el aro (1), mientras que su extremo interior determina en el centro el buje (5) para Ia incorporación de Ia rueda sobre el eje correspondiente en el montaje de aplicación.Inside the ring (1) there is a spirally formed strip (4), which is established joined by its outer end on the ring (1), while its inner end determines in the center the bushing (5) for the incorporation of the wheel on the corresponding axle in the application assembly.
La fijación del fleje (4) sobre el aro (1) se puede realizar por cualquier medio que asegure Ia resistencia necesaria para Ia función de Ia rueda, como soldadura, remachado, etc., obteniéndose así un conjunto estructural de Ia rueda con el que Ia periferia anular formada por el aro (1) y Ia cubierta (3) determina Ia banda de apoyo para Ia rodadura, mientras que el fleje interior (4) determina el medio de sustentación para el montaje sobre el eje correspondiente.The fixing of the strap (4) on the ring (1) can be carried out by any means that ensures the necessary strength for the function of the wheel, such as welding, riveting, etc., thus obtaining a structural assembly of the wheel with which The annular periphery formed by the ring (1) and the cover (3) determines the support band for rolling, while the inner strap (4) determines the support for mounting on the corresponding axis.
Con ello, Ia función de Ia rueda para Ia rodadura en montaje sobre un eje, resulta igual que Ia de una rueda convencional, pero en esta rueda preconizada el fleje interior (4) determina una suspensión elástica entre el eje de montaje y el punto de apoyo en Ia rodadura, Io cual confiere una disposición de amortiguación mediante Ia propia rueda, que hace que el aparato que se sustenta sobre ruedas de este tipo quede de manera flotante sobre los apoyos de rodadura, suavizándose Ia repercusión de las alteraciones del suelo de apoyo. En el fleje (4) se hallan previstos una distribución de agujeros (6) repartidos a Io largo del mismo, con Io que se reduce peso y se ahorra material, definiéndose dichos agujeros (6) con un diámetro progresivamente creciente de los mismos en Ia distribución desde el extremo exterior hasta el extremo central, Io que determina una elasticidad igualmente progresiva del fleje (4) desde el extremo exterior hasta el extremo central, favoreciendo con ello Ia elasticidad de Ia suspensión flotante que determina Ia rueda entre el centro de montaje sobre el eje de aplicación y el punto de apoyo en Ia rodadura.2 With this, the function of the wheel for rolling when mounted on an axle is the same as that of a conventional wheel, but in this recommended wheel the inner strap (4) determines an elastic suspension between the mounting shaft and the point of rolling support, which confers a damping arrangement by means of the wheel itself, which makes the device that is supported on wheels of this type floating on the rolling supports, softening the impact of the alterations of the support floor . In the strip (4) a distribution of holes (6) distributed along the same is provided, with which weight is reduced and material is saved, said holes (6) being defined with a progressively increasing diameter thereof in Ia distribution from the outer end to the central end, which determines an equally progressive elasticity of the strap (4) from the outer end to the central end, thereby favoring the elasticity of the floating suspension that determines the wheel between the mounting center on the application axis and the rolling support point.2

Claims

REIVINDICACIONES
1. Rueda con suspensión amortiguadora, destinada para suavizar las repercusiones entre el suelo de rodadura y el aparato que se sustenta, caracterizada porque comprende una llanta formada por un aro periférico (1), en el interior del cual se dispone un fleje (4) configurado en espiral, estableciéndose dicho fleje (4) con su extremo exterior fijado sobre el aro (1), mientras que el extremo interior del mismo determina el buje central (5) para el montaje de Ia rueda sobre el eje correspondiente.1. Wheel with damping suspension, designed to soften the impact between the tread and the device that is supported, characterized in that it comprises a tire formed by a peripheral ring (1), inside which a strap (4) is provided configured in a spiral, said strap (4) being established with its outer end fixed on the ring (1), while the inner end thereof determines the central hub (5) for mounting the wheel on the corresponding axle.
2. Rueda con suspensión amortiguadora, de acuerdo con Ia primera reivindicación, caracterizada porque el fleje (4) posee una distribución de agujeros (6) distribuidos a Io largo del mismo, con un diámetro progresivamente creciente de dichos agujeros (6) en Ia distribución desde el extremo exterior hasta el extremo central. 2. Wheel with damping suspension, according to the first claim, characterized in that the strap (4) has a distribution of holes (6) distributed along it, with a progressively increasing diameter of said holes (6) in the distribution from the outer end to the central end.
PCT/ES2006/000427 2005-07-20 2006-07-20 Wheel with shock-absorbing suspension WO2007010071A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU200501666 2005-07-20
ES200501666U ES1060794Y (en) 2005-07-20 2005-07-20 WHEEL WITH DAMPER SUSPENSION

Publications (2)

Publication Number Publication Date
WO2007010071A2 true WO2007010071A2 (en) 2007-01-25
WO2007010071A3 WO2007010071A3 (en) 2007-04-12

Family

ID=35429736

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/000427 WO2007010071A2 (en) 2005-07-20 2006-07-20 Wheel with shock-absorbing suspension

Country Status (2)

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ES (1) ES1060794Y (en)
WO (1) WO2007010071A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108454309A (en) * 2018-03-15 2018-08-28 泉州臻美智能科技有限公司 A kind of driving wheel that the stable automobile based on arc cylinder buffering uses
CN110901744A (en) * 2018-09-14 2020-03-24 明门瑞士股份有限公司 Shock-proof wheel device and infant carrier with same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR598986A (en) * 1925-03-20 1925-12-30 Suspended hub wheel for automobiles and all vehicles
FR745788A (en) * 1933-05-16
FR972151A (en) * 1948-09-22 1951-01-26 Vehicle wheel particularly for motor car
US2609192A (en) * 1949-05-28 1952-09-02 Eastern Metals Res Co Inc Coil spring and coil spring assembly, including the support for such springs
US2721766A (en) * 1951-11-14 1955-10-25 Bassick Co Industrial truck caster skein
EP1118477A2 (en) * 2000-01-19 2001-07-25 Mödlhammer, Raimund Wheel suspension
EP1225063A2 (en) * 2001-01-23 2002-07-24 The Goodyear Tire & Rubber Company Compliant rim and wheel assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR745788A (en) * 1933-05-16
FR598986A (en) * 1925-03-20 1925-12-30 Suspended hub wheel for automobiles and all vehicles
FR972151A (en) * 1948-09-22 1951-01-26 Vehicle wheel particularly for motor car
US2609192A (en) * 1949-05-28 1952-09-02 Eastern Metals Res Co Inc Coil spring and coil spring assembly, including the support for such springs
US2721766A (en) * 1951-11-14 1955-10-25 Bassick Co Industrial truck caster skein
EP1118477A2 (en) * 2000-01-19 2001-07-25 Mödlhammer, Raimund Wheel suspension
EP1225063A2 (en) * 2001-01-23 2002-07-24 The Goodyear Tire & Rubber Company Compliant rim and wheel assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108454309A (en) * 2018-03-15 2018-08-28 泉州臻美智能科技有限公司 A kind of driving wheel that the stable automobile based on arc cylinder buffering uses
CN110901744A (en) * 2018-09-14 2020-03-24 明门瑞士股份有限公司 Shock-proof wheel device and infant carrier with same

Also Published As

Publication number Publication date
ES1060794U (en) 2005-11-16
WO2007010071A3 (en) 2007-04-12
ES1060794Y (en) 2006-03-01

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