JPH0382601A - Nonpneumatic wheel - Google Patents
Nonpneumatic wheelInfo
- Publication number
- JPH0382601A JPH0382601A JP1219438A JP21943889A JPH0382601A JP H0382601 A JPH0382601 A JP H0382601A JP 1219438 A JP1219438 A JP 1219438A JP 21943889 A JP21943889 A JP 21943889A JP H0382601 A JPH0382601 A JP H0382601A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- pneumatic
- support member
- outer member
- pneumatic wheel
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000013013 elastic material Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 229920000642 polymer Polymers 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 244000309466 calf Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/107—Non-inflatable or solid tyres characterised by means for increasing resiliency comprising lateral openings
-
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
- B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
- B60C17/061—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient comprising lateral openings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は非空気式車輪に係り、特にパンクに対して耐久
性が求められる車輪、パンク時に交換して用いられるス
ペア車輪、又は空気式タイヤがパンクした場合に備えて
タイヤの中に設けられパンク時に荷重を支える、所謂中
子車輪として利用される非空気式車輪に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to non-pneumatic wheels, particularly wheels that require durability against punctures, spare wheels that can be replaced in the event of a puncture, or pneumatic tires. This invention relates to a non-pneumatic wheel used as a so-called core wheel, which is installed inside a tire and supports the load in the event of a puncture.
非空気式車輪としては、これまで弾性材料を用いかつそ
の構造上の補強の役割を担う弾性リブのために生じる振
動を低減する発明として、特開昭６２−２９５７０４
（ＵＳＰ４７８４２０１）及びＥＰＯ１５９８８８等が
開示されている。Until now, non-pneumatic wheels have been developed using an elastic material and disclosed in Japanese Patent Application Laid-Open No. 62-295704 as an invention that reduces vibrations caused by elastic ribs that serve as structural reinforcement.
(USP 4784201) and EPO 159888.
しかしながら、これらの非空気式車輪においては、例え
ば、第８図及び第９図に示される如く、特開昭６２−２
９５７０４の非空気式車輪５０においては、非空気式車
輪５０の外側部材５２と内側部材５４との間に設けられ
た、支持部材とじての補強リブ５６により荷重の支持は
達成されるものの、補強リブ５６を車輪半径方向（第８
図の矢印へ方向）に対して傾けた場合（第８図の状態）
は、利用している材料の弾性率と体積から、本来引き出
しうる荷重指示能力を引き出し得ない。従って、重量が
重たくなる傾向にある。However, in these non-pneumatic wheels, for example, as shown in FIGS. 8 and 9,
In the non-pneumatic wheel 50 of No. 95704, although load support is achieved by the reinforcing rib 56 as a support member provided between the outer member 52 and the inner member 54 of the non-pneumatic wheel 50, the reinforcement Rib 56 in the wheel radial direction (eighth
When tilted in the direction of the arrow in the figure (the state shown in Figure 8)
In this case, it is not possible to extract the load indicating ability that could originally be extracted from the elastic modulus and volume of the material used. Therefore, it tends to be heavy.
また補強リブ５６を車輪半径方向に対して傾けない（補
強リブ５６の方向を車輪半径方向とした）場合は、振動
がより大きくなるか、振動軽減のためにトレッド５８の
ゲージを厚くするなどのなんらかの対策が必要であるな
ど、非空気式車輪５０全体の重量がさらに重たくなるか
、もしくは振動吸収性及びその他の性能の犠牲を伴う。Furthermore, if the reinforcing ribs 56 are not tilted with respect to the wheel radial direction (the direction of the reinforcing ribs 56 is the wheel radial direction), vibrations may become larger, or it is necessary to increase the thickness of the tread 58 to reduce vibrations. Some countermeasures would be required, such that the overall weight of the non-pneumatic wheel 50 would be heavier, or vibration absorption and other performance would be sacrificed.
本発明は上記事実を考慮し、振動吸収性及びその他の性
能の犠牲を伴うことなく重量を軽減できる非空気式車輪
を得ることが目的である。The present invention takes into account the above facts and aims to provide a non-pneumatic wheel that can reduce weight without sacrificing vibration absorption and other performance.
請求項（１）記載の本発明は、一つの軸線の回りに回転
可能な全体として環状の形状をなす非空気式車輪におい
て、外周部を構成する全体として筒状の弾性材料製の外
側部材と、該外側部材の内周側に配置され前記外側部材
に一方の端部が連結されるとともに車輪周方向に連続で
ありかつ車輪赤道面と周上で複数回交差する弾性材料製
の支持部材と、を有することを特徴としている。The present invention as set forth in claim (1) provides a non-pneumatic wheel that is rotatable around one axis and has an annular shape as a whole, and includes a generally cylindrical outer member made of an elastic material constituting an outer peripheral portion; , a support member made of an elastic material that is arranged on the inner peripheral side of the outer member, has one end connected to the outer member, is continuous in the wheel circumferential direction, and intersects the wheel equatorial plane multiple times on the circumference; It is characterized by having the following.
また、請求項（２）記載の本発明は、前記支持部材は車
輪回転軸と車輪半径とによって形成される面と交差する
断面積の最大値と最小値との差を同断面積の最大値と最
小値との和で割った値が０．５以内であることを特徴と
している。Further, in the present invention as set forth in claim (2), the supporting member is configured to calculate the difference between the maximum value and the minimum value of the cross-sectional area intersecting the plane formed by the wheel rotation axis and the wheel radius as the maximum value of the same cross-sectional area. It is characterized in that the value divided by the sum with the minimum value is within 0.5.
また、請求項（３）記載の本発明は、前記支持部材は車
輪回転軸と車輪半径とによって形成される面と交差する
断面積の最大値と最小値との差を同断面積の最大値と最
小値との和で割った値が０．３以内であることを特徴と
している。Further, in the present invention as set forth in claim (3), the supporting member is configured to calculate the difference between the maximum value and the minimum value of the cross-sectional area intersecting the plane formed by the wheel rotation axis and the wheel radius as the maximum value of the same cross-sectional area. It is characterized in that the value divided by the sum with the minimum value is within 0.3.
また、請求項（４）記載の本発明は、前記車輪は車輪赤
道面を挟んで非対称な形状であることを特徴としている
。Further, the present invention according to claim (4) is characterized in that the wheel has an asymmetrical shape with respect to the wheel equatorial plane.
また、請求項（５）記載の本発明は、前記外側部材の内
周側に配置され外周側に前記支持部材の他方の端部が連
結された全体として筒状の弾性材料製の内側部材を有す
ることを特徴としている。The present invention as set forth in claim (5) further includes an inner member made of an elastic material and having a generally cylindrical shape, which is disposed on the inner circumferential side of the outer member and the other end of the support member is connected to the outer circumferential side. It is characterized by having
また、請求項（６〉記載の本発明は、前記車輪はその内
周側に接触するリムに固定して取り付けられていること
を特徴としている。Further, the present invention as set forth in claim (6) is characterized in that the wheel is fixedly attached to a rim that contacts the inner peripheral side of the wheel.
また、請求項（７）記載の本発明は、前記車輪はその内
周側に接触するリムに固定しないで取り付けられ、前記
外側部材の外周側に当該外側部材と接触しない空気式タ
イヤが前記リムに取り付けられていることを特徴として
いる。Further, in the present invention as set forth in claim (7), the wheel is attached without being fixed to a rim that contacts the inner periphery thereof, and a pneumatic tire that does not contact the outer member is provided on the outer periphery of the outer member. It is characterized by being attached to.
また、請求項（８）記載の本発明は、前記外側部材の更
に外周側に接触して設けられ適当なパターンに構成され
る排水用の溝が形成されたトレッドを有することを特徴
としている。Furthermore, the present invention as set forth in claim (8) is characterized in that the tread includes a drainage groove formed in an appropriate pattern and provided in contact with the outer circumferential side of the outer member.
一つの車軸の回りに回転可能な全体として環状の形状を
なす非空気式車輪において該非空気式車輪は荷重転勤時
の振動を吸収し得るために弾性材料よりなることが必要
である。また該非空気式車輪はその外周側に全体として
筒状の外側部材を有することにより、横力・偏荷重など
の外人力に対して安定した転勤が可能になる。この外側
部材の内側に、この外側部材に一方の端部が連結された
支持部材を有することにより、荷重時にこの支持部材の
適度な縦たわみによって接地面積を生じることになり、
荷重を支えかつ接地性を確保することができる。In a non-pneumatic wheel having a generally annular shape rotatable about an axle, the non-pneumatic wheel must be made of an elastic material in order to be able to absorb vibrations during load transfer. Further, since the non-pneumatic wheel has a generally cylindrical outer member on its outer circumferential side, stable transfer is possible against external forces such as lateral force and unbalanced load. By having a support member on the inside of this outer member, one end of which is connected to this outer member, a ground contact area is created by appropriate vertical deflection of this support member when a load is applied.
It can support the load and ensure ground contact.
また該支持部材は車輪周方向に連続であり、前記非空気
式車輪の赤道面（回転軸に垂直な中心面）と周上で複数
回交差することにより、従来技術であげたような補強リ
ブが周方向に不連続なために起きる荷重転勤時の振動を
、その発生原因から本質的に避けることができ、しかも
支持部材の特性としてその構造により従来技術の補強リ
ブと同様、安定した転勤に寄与する形状安定性を有する
。Further, the supporting member is continuous in the wheel circumferential direction, and intersects the equatorial plane (center plane perpendicular to the rotational axis) of the non-pneumatic wheel multiple times on the circumference, thereby forming a reinforcing rib as mentioned in the prior art. Vibration during load transfer caused by discontinuity in the circumferential direction can be essentially avoided due to its occurrence, and the structure of the supporting member allows for stable transfer, similar to the reinforcing ribs of the prior art. It has a contributing shape stability.
従って、振動を避ける目的で補強リブを車輪半径方向か
ら傾斜させる必要がないため、支持部材の適当な縦たわ
みを実現するにあたっては曲げ弾性でなく圧縮弾性を利
用することができ、結果としてより軽量化を計ることが
できる。さらに従来技術における補強リブの傾斜がない
場合と比べれば、本発明の方が従来技術よりも振動減少
の効果が更に大きく、または同じ振動レベルの非空気式
車輪どうしで比べれば信性能の犠牲を伴うことなくいっ
そう軽量化できることは明らかである。Therefore, there is no need to incline the reinforcing ribs from the wheel radial direction for the purpose of avoiding vibrations, so compressive elasticity can be used instead of bending elasticity to achieve appropriate vertical deflection of the support member, resulting in a lighter weight. It is possible to measure the Furthermore, compared to the case where the reinforcing ribs do not have an inclination in the prior art, the present invention has an even greater vibration reduction effect than the prior art, or when comparing non-pneumatic wheels with the same vibration level, there is no sacrifice in reliability. It is clear that the weight can be further reduced without any additional cost.
前記非空気式車輪の支持部材は非空気式車輪全体の回転
軸と車輪半径によって形成される面（子午面〉による断
面積の周上変化率Ａｘ（同断面積の周上最大値Ａｍａｘ
と同断面積の周上最小値Ａｍ１ｎとの差を、同断面積の
周上最大値Ａｍａ ｘと同断面積の周上最小値Ａｍ１ｎ
との和で割ったもの）が０．５以内であれば、効果的に
振動の発生を押さえることができる。更に、当該断面積
周上変化率Ａｘが０．３以下であればいっそう効果的で
ある。The supporting member of the non-pneumatic wheel has a circumferential change rate Ax (the circumferential maximum value Amax of the same cross-sectional area) of the cross-sectional area according to a plane (meridian plane) formed by the rotational axis of the entire non-pneumatic wheel and the wheel radius.
The difference between the circumferential minimum value Am1n of the same cross-sectional area and the circumferential maximum value Amax of the same cross-sectional area and the circumferential minimum value Am1n of the same cross-sectional area
If the value (divided by the sum of ) is within 0.5, vibration can be effectively suppressed. Furthermore, it is even more effective if the circumferential change rate Ax of the cross-sectional area is 0.3 or less.
ここで、 である。here, It is.
例えば第９図には、従来開示技術として補強リブ５６の
非空気式車輪５０全体の子午面断面積の周上変化率Ａｘ
が０．７の場合の、周方向と回転軸線のなす面による支
持部材５６の断面形状が示されている。第２図には、本
発明の第１実施例として子牛面断面積の周上変化率Ａｘ
が０．６の場合の周方向面（周方向と回転軸のなす面）
による支持部材の断面形状が示されている。さらに第４
図には本発明の第２実施例として子午面断面積の周上変
化率Ａｘが０．６の場合の子午面による支持部材の断面
形状が示されている。従来開示の周方向に分離した補強
リブでは前記支持部材子午面断面積の周上変化率Ａｘを
例えば０．２程度まで大巾に小さくすることは重量の大
巾増加を認めないかぎり困難である。For example, FIG. 9 shows a circumferential change rate Ax of the meridional cross-sectional area of the entire non-pneumatic wheel 50 of the reinforcing rib 56 as a conventionally disclosed technique.
A cross-sectional shape of the support member 56 along a plane defined by the circumferential direction and the axis of rotation is shown when 0.7. FIG. 2 shows a circumferential change rate Ax of the calf cross-sectional area as a first embodiment of the present invention.
Circumferential surface when is 0.6 (surface formed by the circumferential direction and the rotation axis)
The cross-sectional shape of the support member according to FIG. Furthermore, the fourth
The figure shows a cross-sectional shape of a support member along a meridian plane in a case where the circumferential change rate Ax of the meridional cross-sectional area is 0.6 as a second embodiment of the present invention. In the conventionally disclosed reinforcing ribs separated in the circumferential direction, it is difficult to significantly reduce the circumferential change rate Ax of the meridional cross-sectional area of the supporting member to, for example, about 0.2 unless a large increase in weight is recognized. .
前記非空気式車輪の支持部材は車輪赤道面をはさんで非
対称な形状とすることも軽量化と振動吸収性の両立の目
的に対して効果的な場合があることは当然である。It goes without saying that forming the supporting member of the non-pneumatic wheel into an asymmetrical shape with respect to the wheel equatorial plane may be effective in achieving both weight reduction and vibration absorption.
また前記非空気式車輪の支持部材の内周側に全体として
筒状の内側部材を連結することにより、支持部材の内周
側の耐久性を増すことができる。Furthermore, by connecting a generally cylindrical inner member to the inner circumferential side of the support member of the non-pneumatic wheel, the durability of the inner circumferential side of the support member can be increased.
また前記非空気式車輪の支持部材は車輪内周側に接触す
るリムに固定して取り付けられることにより、パンクに
対して耐久性が求められる車両用の非空気式車輪あるい
はスペア車輪の目的を供にすることができる。In addition, the support member of the non-pneumatic wheel is fixedly attached to the rim that contacts the inner circumference of the wheel, thereby providing the purpose of a non-pneumatic wheel or a spare wheel for a vehicle that requires durability against punctures. It can be done.
また前記非空気式車輪の内側部材はその内周側に接触す
るリムに固定しないで取り付けられ、かつ前記非空気式
車輪の外周側に当該非空気式車輪と接触しない空気式タ
イヤがリムに取り付けられることにより、中子車輪など
の目的を供にすることができる。さらに前記非空気式車
輪はその内周側に接触するリムに固定して取り付けられ
ることによっても中子車輪などの目的を供にすることが
できることはもちろんである。Further, the inner member of the non-pneumatic wheel is attached without being fixed to the rim that contacts the inner periphery thereof, and a pneumatic tire that does not contact the non-pneumatic wheel is attached to the outer periphery of the non-pneumatic wheel. This allows it to serve a purpose such as a core wheel. Furthermore, it goes without saying that the non-pneumatic wheel can serve the purpose of a core wheel or the like by being fixedly attached to a rim that is in contact with the inner circumferential side of the non-pneumatic wheel.
前記非空気式車輪の外側部材の更に外周側に接触して設
けられたトレッドを設ければ、直接路面に接する非空気
式車輪の目的を供にする場合に走行時のトラクツション
を発生するのに好都合である。前記トレッドに適当なパ
ターンに構成ぎれた排水用の溝があれば、濡れた路面の
場合にも路面のグリップ性を失うことがない。If a tread is provided in contact with the outer circumferential side of the outer member of the non-pneumatic wheel, it is possible to generate traction during running when the non-pneumatic wheel is in direct contact with the road surface. It's convenient. If the tread has drainage grooves arranged in an appropriate pattern, grip on the road will not be lost even on wet roads.
また以上のように支持部材によって励起される振動を本
質的に押さえ込むことができる本発明の構造を用いれば
、非空気式車輪の荷重転勤走行時の耐久性にも当然良い
結果を及ぼすことができる。Furthermore, by using the structure of the present invention that can essentially suppress vibrations excited by the support member as described above, it is naturally possible to have good results on the durability of non-pneumatic wheels during load transfer running. .
以下本発明の第１実施例を第１図及び第２図に従って説
明する。A first embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
第１図に示される如くこの非空気式車輪１０はその内周
側１０Ａに接触するリム１２に固定し取り付け、専用リ
ム１２との組合せにおける非空気式のスペア車輪の目的
を供にするものである。As shown in FIG. 1, this non-pneumatic wheel 10 is fixedly attached to a rim 12 in contact with its inner peripheral side 10A, and serves the purpose of a non-pneumatic spare wheel in combination with a dedicated rim 12. be.
非空気式車輪１０の外周部は硬質の高分子弾性材料製の
外側部材１４により構成されており、この外側部材１４
は全体として筒状とされている。The outer periphery of the non-pneumatic wheel 10 is constituted by an outer member 14 made of a hard polymer elastic material.
is generally cylindrical.
外側部材１４の内周側には、外側部材１４と同材質の支
持部材１６が配設されており、この支持部材１６の外端
部１６Ａが外側部材１４の内周側１４Ａに連結されてい
る。A support member 16 made of the same material as the outer member 14 is disposed on the inner circumference side of the outer member 14, and an outer end portion 16A of this support member 16 is connected to an inner circumference side 14A of the outer member 14. .
第２図に示される如く、この支持部材１６は車輪周方向
（第２図の矢印Ｂ方向）に連続であり、かつ車輪赤道面
１８と周上で複数回交差している。As shown in FIG. 2, this support member 16 is continuous in the wheel circumferential direction (in the direction of arrow B in FIG. 2), and intersects the wheel equatorial plane 18 multiple times on the circumference.
またこの支持部材１６の断面積周上変化率Ａｘは０．
６とされている。Further, the circumferential change rate Ax of the cross-sectional area of this support member 16 is 0.
It is said to be 6.
また外側部材１４の更に外周側には、接触して外側部材
１４と異なる弾性材料によるトレッド２０が設けられて
おり、このトレッド２０には、排水用の溝が適当なパタ
ーンで懲戒されている。Furthermore, a tread 20 made of an elastic material different from that of the outer member 14 is provided on the outer peripheral side of the outer member 14 in contact with the tread 20, and this tread 20 has drainage grooves formed in a suitable pattern.
次に、本実施例の作用に付いて説明する。Next, the operation of this embodiment will be explained.
非空気式車輪１０は外側部材１４を有することにより、
横力・偏荷重などの外人力に対して安定した転勤が可能
になる。また支持部材１６を有することにより、荷重時
にこの支持部材１６の適度な縦たわみによって接地面積
を生じることになり、荷重を支え、かつ接地性を確保す
ることができる。The non-pneumatic wheel 10 has an outer member 14 so that
This enables stable transfers against foreign forces such as lateral forces and unbalanced loads. Furthermore, by providing the support member 16, a ground contact area is created by appropriate vertical deflection of the support member 16 when a load is applied, so that it is possible to support the load and ensure ground contact.
また支持部材１６は周方向に連続であり、非空気式車輪
１０の赤道面１８と周上で複数回交差することにより、
従来技術であげたような補強リブが周方向に不連続なた
めに起きる荷重転勤時の振動を、その発生原因から本質
的に避けることができ、しかも支持部材１６の特性とし
てその構造により従来技術の補強リブと同様、安定した
転勤に寄与する形状安定性を有する。Further, the support member 16 is continuous in the circumferential direction, and intersects the equatorial plane 18 of the non-pneumatic wheel 10 multiple times on the circumference.
The vibration caused by the load transfer due to the discontinuity of the reinforcing ribs in the circumferential direction as mentioned in the prior art can be essentially avoided, and the structure of the support member 16 has the characteristics of the support member 16, making it possible to avoid the vibration caused by the load transfer due to the discontinuity of the reinforcing ribs in the circumferential direction. Similar to the reinforcing ribs, it has shape stability that contributes to stable transfer.
従って、振動を避ける目的で補強リブを車輪半径方向か
ら傾斜させる必要がないため、支持部材１６の適当な縦
たわみを実現するにあたっては曲げ弾性でなく圧縮弾性
を利用することができ、結果としてより軽量化を計るこ
とができる。さらに従来技術における補強リブの傾斜が
ない場合と比べれば、本実施例の方が従来技術よりも振
動減少の効果が更に大きく、または同じ振動レベルの非
空気式車輪どうしで比べれば他性能の犠牲を伴うことな
くいっそう軽量化できることは明らかである。Therefore, since there is no need to incline the reinforcing ribs from the wheel radial direction for the purpose of avoiding vibration, compressive elasticity rather than bending elasticity can be used to achieve appropriate vertical deflection of the support member 16, and as a result, it is possible to use compression elasticity instead of bending elasticity. You can measure weight reduction. Furthermore, compared to the prior art where the reinforcing ribs do not have an inclination, this embodiment has a greater vibration reduction effect than the prior art, or when comparing non-pneumatic wheels with the same vibration level, there is a sacrifice in other performance. It is clear that further weight reduction can be achieved without this.
また非空気式車輪１０の支持部材１６は、内周側に接触
するリム１２に固定して取り付けられることによりパン
クに対して耐久性が求められる車両用の非空気式車輪あ
るいはスペア車輪の目的を供にすることができる。Furthermore, the support member 16 of the non-pneumatic wheel 10 is fixedly attached to the rim 12 that contacts the inner circumferential side, thereby serving the purpose of a non-pneumatic wheel or a spare wheel for a vehicle that requires durability against punctures. can be provided.
また非空気式車輪１０の外側部材１４の更に外周側に接
触して設けられたトレッド２０により、直接路面に接す
る非空気式車輪ＩＯの目的を供にする場合に走行時のト
ラクツションを発生するのに好都合である。さらにトレ
ッド２０に適当なパターンに構成される排水用の溝があ
れば、濡れた路面の場合にも路面のグリップ性を失うこ
とがない。Furthermore, the tread 20 provided in contact with the outer circumferential side of the outer member 14 of the non-pneumatic wheel 10 generates traction during running when serving the purpose of the non-pneumatic wheel IO that is in direct contact with the road surface. It is convenient for Furthermore, if the tread 20 has drainage grooves formed in an appropriate pattern, the grip on the road will not be lost even on wet roads.
次に、本発明の第２実施例に付いて第２図〜第４図に従
って説明する。Next, a second embodiment of the present invention will be described with reference to FIGS. 2 to 4.
なお、第１実施例と同一部材に付いては、同一符号を付
して説明を省略する。Incidentally, the same members as in the first embodiment are given the same reference numerals and the description thereof will be omitted.
第３図及び第４図に示される如く、支持部材１６の内周
側には、全体として筒状の支持部材１６と同材質の内側
部材２２が配置されており、この内側部材２２の外周面
２２Ａには支持部材１６の内周側端部１６Ｂが連結され
ている。As shown in FIGS. 3 and 4, an inner member 22 made of the same material as the support member 16, which is cylindrical as a whole, is disposed on the inner peripheral side of the support member 16, and an outer peripheral surface of the inner member 22 is disposed on the inner peripheral side of the support member 16. The inner peripheral end 16B of the support member 16 is connected to 22A.
第２図に示される如く、支持部材１６の断面積周上変化
率Ａｘは０．６とされている。As shown in FIG. 2, the circumferential change rate Ax of the cross-sectional area of the support member 16 is 0.6.
従って、内側部材２２により支持部材１６の内周側の耐
久性を増すことができる。Therefore, the durability of the inner peripheral side of the support member 16 can be increased by the inner member 22.
また、第２実施例における非空気式車輪１０の支持部材
１６の断面積周上変化率Ａｘを０．４としたものを、第
３実施例における非空気式車輪１０とする。Further, the non-pneumatic wheel 10 in the third embodiment is the non-pneumatic wheel 10 in the third embodiment in which the circumferential change rate Ax of the cross-sectional area of the support member 16 in the second embodiment is set to 0.4.
また、第２実施例における非空気式車輪ＩＯの支持部材
１６の断面積周上変化率Ａｘを０．２としたものを、第
４実施例における非空気式車輪１０とする。Further, the non-pneumatic wheel 10 in the fourth embodiment is the non-pneumatic wheel IO in the second embodiment in which the circumferential change rate Ax of the cross-sectional area of the support member 16 is 0.2.
次に、本発明の第５実施例に付いて第７図に従って説明
する。Next, a fifth embodiment of the present invention will be described with reference to FIG.
なお、第１実施例及び第２実施例と同一部材に付いては
、同一符号を付して説明を省略する。Incidentally, the same members as in the first embodiment and the second embodiment are given the same reference numerals and the description thereof will be omitted.
第７図に、示される如く、非空気式車輪１０は内周側に
接触するリム２８に固定しないで取り付けられている。As shown in FIG. 7, the non-pneumatic wheel 10 is attached without being fixed to the rim 28 that contacts the inner circumferential side.
またこのリム２８には、非空気式車輪１０の外周側に非
空気式車輪１０と接触しない空気式タイヤ３０が取り付
けられており、非空気式車輪ＩＯは中子車輪とされてい
る。Further, a pneumatic tire 30 that does not come into contact with the non-pneumatic wheel 10 is attached to the rim 28 on the outer peripheral side of the non-pneumatic wheel 10, and the non-pneumatic wheel IO is a core wheel.
また第５実施例における非空気式車輪１０の支持部材１
６の断面積周上変化率Ａｘは０．４とされている。Further, the support member 1 of the non-pneumatic wheel 10 in the fifth embodiment
The circumferential change rate Ax of the cross-sectional area of No. 6 is 0.4.
従って、空気式タイヤ３０がバンクした場合には、非空
気式車輪１０は中子車輪として使用することができる。Therefore, if the pneumatic tire 30 goes banked, the non-pneumatic wheel 10 can be used as a core wheel.
（実験例１）
本発明における第１実施例〜第４実施例の非空気式車輪
１０及び比較例１ （第８図及び第９図）の非空気式車
輪５０を２０００ｃｃ乗用車の１輪に取り付けて時速６
０ｋｍ／ｈで連続走行した条件における、走行車の車内
振動レベル、車輪破壊までの距離及び車輪のリムを除く
重量の各々指数を第１表に示しであるくすべて指数は大
きいほうが良好なことを示している〉。(Experimental Example 1) The non-pneumatic wheels 10 of the first to fourth embodiments of the present invention and the non-pneumatic wheels 50 of Comparative Example 1 (Figs. 8 and 9) were attached to one wheel of a 2000cc passenger car. speed 6
Table 1 shows the indexes for the internal vibration level of the vehicle, the distance to wheel failure, and the weight excluding the wheel rim under conditions of continuous running at 0 km/h. It shows〉.
第１表
（実験例２）
本発明における第５実施例〈非空気式車輪１０を２００
０ｃｃ乗用車の１輪の空気式タイヤ３０およびリム２８
の中に取り付けたもの〉、及び第８図及び第９図に示さ
れる非空気式車輪５０を２０００ｃｃ乗用車の１輪の空
気式タイヤおよびリムの中に取り付けた比較例２の空気
式タイヤの空気圧をバルブコアを抜き去ることにより０
とし速度６０ｋｍ／ｈで連続走行した条件のもとに、実
験例１と同じ性能項目を評価したものを第２表に示しで
ある。Table 1 (Experiment Example 2) Fifth embodiment of the present invention <Non-pneumatic wheels 10
One pneumatic tire 30 and rim 28 for a 0cc passenger car
], and the pneumatic tire pressure of Comparative Example 2, in which the non-pneumatic wheel 50 shown in FIGS. 8 and 9 was installed in one pneumatic tire and rim of a 2000cc passenger car. 0 by removing the valve core
Table 2 shows the evaluation of the same performance items as in Experimental Example 1 under conditions of continuous running at a speed of 60 km/h.
第２表
これらの実験結果によって、上記説明した本発明の非空
気式車輪が特に優れたものであることが明らかになって
いる。Table 2 These experimental results demonstrate that the above-described non-pneumatic wheel of the present invention is particularly excellent.
〔発明の効果〕
本発明は上記の構成としたので振動吸収性及びその他の
性能の犠牲を伴うことなく重量を軽減できる優れた効果
を有する。[Effects of the Invention] Since the present invention has the above structure, it has an excellent effect of reducing weight without sacrificing vibration absorbability or other performance.
第１図は本発明の第１実施例の非空気式車輪を示す回転
軸方向から見た平面図、第２図は本発明の第１実施例及
び第２実施例の非空気式車輪を示す周方向面による断面
図、第３図は本発明の第２実施例の非空気式車輪を示す
回転軸方向から見た平面図、第４図は本発明の第２図の
第２実施例の非空気式車輪を示す子午面ＩＶｌ’Ｖ線に
よる断面図、第５図は第３実施例の周方向断面図、第６
図は第４実施例の周方向断面図、第７図は本発明の第５
実施例の非空気式車輪がリムに取り付けられた状態を示
す斜視図、第８図は従来の非空気式車輪を示す回転軸方
向から見た平面図、第９図は従来の非空気式車輪を示す
子午面ＩＸ−ＩＸ線による断面図である。
ｌＯ・
１２・
１４・
１６・
１８・
２０・
２２・
・・非空気式車輪、
・ ・リム、
・・外側部材、
・・支持部材、
・・車輪赤道面、
・・トレッド、
・・内側部材。FIG. 1 is a plan view of a non-pneumatic wheel according to a first embodiment of the present invention, viewed from the rotating shaft direction, and FIG. 2 is a plan view showing a non-pneumatic wheel according to a first embodiment and a second embodiment of the present invention. FIG. 3 is a sectional view taken along the circumferential surface, FIG. 3 is a plan view of the non-pneumatic wheel according to the second embodiment of the present invention as seen from the rotating shaft direction, and FIG. 4 is a cross-sectional view of the second embodiment of the present invention shown in FIG. 2. 5 is a sectional view along the meridian plane IVl'V showing a non-pneumatic wheel; FIG. 5 is a circumferential sectional view of the third embodiment;
The figure is a circumferential sectional view of the fourth embodiment, and FIG. 7 is the fifth embodiment of the present invention.
A perspective view showing the non-pneumatic wheel of the embodiment attached to the rim, FIG. 8 is a plan view of the conventional non-pneumatic wheel as seen from the rotating shaft direction, and FIG. 9 is the conventional non-pneumatic wheel. FIG. 2 is a sectional view taken along the meridian plane IX-IX line. lO・ 12・ 14・ 16・ 18・ 20・ 22・・・Non-pneumatic wheel,・・Rim,・・Outer member,・・Supporting member,・・Wheel equatorial plane,・・Tread,・・Inner member.
Claims (8)
形状をなす非空気式車輪において、外周部を構成する全
体として筒状の弾性材料製の外側部材と、該外側部材の
内周側に配置され前記外側部材に一方の端部が連結され
るとともに車輪周方向に連続でありかつ車輪赤道面と周
上で複数回交差する弾性材料製の支持部材と、を有する
ことを特徴とする非空気式車輪。(1) In a non-pneumatic wheel that is rotatable around one axis and has an annular shape as a whole, there is an outer member made of a generally cylindrical elastic material that constitutes the outer periphery, and an inner periphery of the outer member. and a support member made of an elastic material, which is disposed in the outer member, has one end connected to the outer member, is continuous in the circumferential direction of the wheel, and intersects the wheel equatorial plane multiple times on the circumference. Non-pneumatic wheels.
形成される面と交差する断面積の最大値と最小値との差
を同断面積の最大値と最小値との和で割った値が０．５
以内であることを特徴とする請求項（１）記載の非空気
式車輪。(2) The support member has a value calculated by dividing the difference between the maximum and minimum cross-sectional areas intersecting the plane formed by the wheel rotation axis and the wheel radius by the sum of the maximum and minimum cross-sectional areas. 0.5
2. The non-pneumatic wheel according to claim 1, wherein:
形成される面と交差する断面積の最大値と最小値との差
を同断面積の最大値と最小値との和で割った値が０．３
以内であることを特徴とする請求項（１）記載の非空気
式車輪。(3) The support member has a value obtained by dividing the difference between the maximum value and minimum value of the cross-sectional area intersecting the plane formed by the wheel rotation axis and the wheel radius by the sum of the maximum value and minimum value of the same cross-sectional area. 0.3
2. The non-pneumatic wheel according to claim 1, wherein:
ることを特徴とする請求項（１）記載の非空気式車輪。(4) The non-pneumatic wheel according to claim 1, wherein the wheel has an asymmetrical shape with respect to the wheel equatorial plane.
持部材の他方の端部が連結された全体として筒状の弾性
材料製の内側部材を有することを特徴とする請求項（１
）記載の非空気式車輪。(5) Claim (1) characterized by having an inner member made of an elastic material and having a generally cylindrical shape and arranged on the inner circumferential side of the outer member and connected to the other end of the supporting member on the outer circumferential side.
) Non-pneumatic wheels listed.
取り付けられていることを特徴とする請求項（１）記載
の非空気式車輪。(6) The non-pneumatic wheel according to claim (1), wherein the wheel is fixedly attached to a rim that contacts an inner peripheral side of the wheel.
いで取り付けられ、前記外側部材の外周側に前記外側部
材と接触しない空気式タイヤが前記リムに取り付けられ
ていることを特徴とする請求項（５）記載の非空気式車
輪。(7) The wheel is attached without being fixed to a rim that contacts the inner periphery thereof, and a pneumatic tire that does not contact the outer member is attached to the outer periphery of the outer member. The non-pneumatic wheel according to claim (5).
当なパターンに構成される排水用の溝が形成されたトレ
ッドを有することを特徴とする請求項（１）記載の非空
気式車輪。(8) The non-pneumatic wheel according to claim (1), characterized in that the non-pneumatic wheel has a tread formed with drainage grooves formed in an appropriate pattern and provided in contact with the outer circumferential side of the outer member. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1219438A JPH0382601A (en) | 1989-08-25 | 1989-08-25 | Nonpneumatic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1219438A JPH0382601A (en) | 1989-08-25 | 1989-08-25 | Nonpneumatic wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382601A true JPH0382601A (en) | 1991-04-08 |
Family
ID=16735408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1219438A Pending JPH0382601A (en) | 1989-08-25 | 1989-08-25 | Nonpneumatic wheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382601A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794686A1 (en) | 1999-06-10 | 2000-12-15 | Michelin Soc Tech | ALLEGE SAFETY SUPPORT FOR TIRES |
| JP2001301410A (en) * | 2000-01-12 | 2001-10-31 | Soc De Technol Michelin | Rubber composition usable in vulcanization state as tire safety support, and such support |
| WO2002096679A2 (en) * | 2001-05-29 | 2002-12-05 | Societe De Technologie Michelin | Tire and support |
| US6818696B2 (en) | 2000-01-12 | 2004-11-16 | Michelin Recherche Et Technique S.A. | Rubber composition usable in the vulcanized state as a tire safety support and such a support |
| JP2005500932A (en) * | 2001-08-24 | 2005-01-13 | ソシエテ ドゥ テクノロジー ミシュラン | Non-pneumatic tire |
| US7055565B2 (en) * | 2004-02-02 | 2006-06-06 | Sumitomo Rubber Industries, Ltd. | Runflat tire system and support ring therefor |
| JP2006151028A (en) * | 2004-11-25 | 2006-06-15 | Sumitomo Rubber Ind Ltd | Assembly of tire and rim and support ring used therefor |
| US7178569B2 (en) * | 2003-06-09 | 2007-02-20 | Sumitomo Rubber Industries, Ltd. | Runflat tire system and support ring therefor |
| JP2007534531A (en) * | 2003-07-14 | 2007-11-29 | ソシエテ ドゥ テクノロジー ミシュラン | Compliant wheel |
| KR100783590B1 (en) * | 2006-02-28 | 2007-12-11 | 김상효 | Shock-absorbing tire |
| JP2008055928A (en) * | 2006-08-29 | 2008-03-13 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| KR101023514B1 (en) * | 2008-11-25 | 2011-03-21 | 한국타이어 주식회사 | Winter tread for attachment and detachment of summer tire |
| JP2013139253A (en) * | 2011-12-29 | 2013-07-18 | Hankook Tire Co Ltd | Non-pneumatic tire |
| CN104139669A (en) * | 2013-05-07 | 2014-11-12 | 住友橡胶工业株式会社 | Airless tire |
-
1989
- 1989-08-25 JP JP1219438A patent/JPH0382601A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6564842B2 (en) | 1999-06-10 | 2003-05-20 | Michelin Recherche Et Technique S.A. | Lightened safety support for tire |
| WO2000076791A1 (en) * | 1999-06-10 | 2000-12-21 | Societe De Technologie Michelin | Light safety support for tyre |
| FR2794686A1 (en) | 1999-06-10 | 2000-12-15 | Michelin Soc Tech | ALLEGE SAFETY SUPPORT FOR TIRES |
| EP1400376A3 (en) * | 1999-06-10 | 2005-05-25 | Société de Technologie Michelin | Lightened safety support for tyre |
| EP1400376A2 (en) * | 1999-06-10 | 2004-03-24 | Société de Technologie Michelin | Lightened safety support for tyre |
| US7019066B2 (en) | 2000-01-12 | 2006-03-28 | Michelin Recherche Et Technique, S.A. | Rubber composition usable in the vulcanized state as a tire safety support and such a support |
| US6818696B2 (en) | 2000-01-12 | 2004-11-16 | Michelin Recherche Et Technique S.A. | Rubber composition usable in the vulcanized state as a tire safety support and such a support |
| US6823913B2 (en) | 2000-01-12 | 2004-11-30 | Michelin Recherche Et Technique, S.A. | Rubber composition usable in the vulcanized state as a tire safety support and such a support |
| JP2001301410A (en) * | 2000-01-12 | 2001-10-31 | Soc De Technol Michelin | Rubber composition usable in vulcanization state as tire safety support, and such support |
| US6667361B2 (en) | 2000-01-12 | 2003-12-23 | Michelin Recherche Et Technique S.A. | Rubber composition usable in the vulcanized state as a tire safety support and such a support |
| WO2002096679A3 (en) * | 2001-05-29 | 2003-01-16 | Michelin Soc Tech | Tire and support |
| WO2002096679A2 (en) * | 2001-05-29 | 2002-12-05 | Societe De Technologie Michelin | Tire and support |
| JP4855646B2 (en) * | 2001-08-24 | 2012-01-18 | ソシエテ ド テクノロジー ミシュラン | Non-pneumatic tire |
| JP2005500932A (en) * | 2001-08-24 | 2005-01-13 | ソシエテ ドゥ テクノロジー ミシュラン | Non-pneumatic tire |
| US7178569B2 (en) * | 2003-06-09 | 2007-02-20 | Sumitomo Rubber Industries, Ltd. | Runflat tire system and support ring therefor |
| JP2007534531A (en) * | 2003-07-14 | 2007-11-29 | ソシエテ ドゥ テクノロジー ミシュラン | Compliant wheel |
| US7055565B2 (en) * | 2004-02-02 | 2006-06-06 | Sumitomo Rubber Industries, Ltd. | Runflat tire system and support ring therefor |
| CN100339243C (en) * | 2004-02-02 | 2007-09-26 | 住友橡胶工业株式会社 | Runflat tire system and support ring therefor |
| JP2006151028A (en) * | 2004-11-25 | 2006-06-15 | Sumitomo Rubber Ind Ltd | Assembly of tire and rim and support ring used therefor |
| KR100783590B1 (en) * | 2006-02-28 | 2007-12-11 | 김상효 | Shock-absorbing tire |
| JP2008055928A (en) * | 2006-08-29 | 2008-03-13 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| KR101023514B1 (en) * | 2008-11-25 | 2011-03-21 | 한국타이어 주식회사 | Winter tread for attachment and detachment of summer tire |
| JP2013139253A (en) * | 2011-12-29 | 2013-07-18 | Hankook Tire Co Ltd | Non-pneumatic tire |
| CN104139669A (en) * | 2013-05-07 | 2014-11-12 | 住友橡胶工业株式会社 | Airless tire |
| JP2014218132A (en) * | 2013-05-07 | 2014-11-20 | 住友ゴム工業株式会社 | Airless tire |
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