JP2756430B2 - Rim for tire assembly - Google Patents
Rim for tire assemblyInfo
- Publication number
- JP2756430B2 JP2756430B2 JP7224144A JP22414495A JP2756430B2 JP 2756430 B2 JP2756430 B2 JP 2756430B2 JP 7224144 A JP7224144 A JP 7224144A JP 22414495 A JP22414495 A JP 22414495A JP 2756430 B2 JP2756430 B2 JP 2756430B2
- Authority
- JP
- Japan
- Prior art keywords
- rim
- tire
- elastic body
- tire assembly
- assembly according
- 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.)
- Expired - Fee Related
Links
Landscapes
- Tires In General (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、パンク時等における安
定走行を可能にするためのタイヤ組立体用リムに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rim for a tire assembly for enabling stable running at the time of a puncture or the like.
【０００２】[0002]
【従来の技術】従来、パンク時等における走行（ランフ
ラット走行）を安定にするためのタイヤ組立体用リムと
しては、タイヤ組立体用リムのウェル部外周面に中子組
立体を取り付け、ランフラット走行時にこの中子組立体
によってタイヤゴム部のクラウン部をその半径方向内側
から支持する技術が多数提案されている。このような技
術としては、例えば、図７に示すように、タイヤ組立体
用リム１のウェル部２外周面３に断面Ｉ型の中子組立体
４を取り付け、ランフラット走行時にこの中子組立体４
によってタイヤゴム部５のクラウン部６をその半径方向
内側から支持するものがある。前記中子組立体４は、前
記ウェル部２外周面３に溶接やボルト止め等によって固
定されるようになっている。2. Description of the Related Art Conventionally, as a rim for a tire assembly for stabilizing running (run flat running) at the time of puncture or the like, a core assembly is attached to the outer peripheral surface of a well portion of the rim for a tire assembly, and a run is performed. Many techniques have been proposed for supporting the crown portion of the tire rubber portion from inside in the radial direction by the core assembly during flat running. As such a technique, for example, as shown in FIG. 7, a core assembly 4 having an I-shaped cross section is attached to an outer peripheral surface 3 of a well portion 2 of a rim 1 for a tire assembly, and 3D
There is one that supports the crown portion 6 of the tire rubber portion 5 from the inside in the radial direction. The core assembly 4 is fixed to the outer peripheral surface 3 of the well portion 2 by welding, bolting, or the like.
【０００３】[0003]
【発明が解決しようとする課題】ところで、前記のよう
なタイヤ組立体用リムの場合、中子組立体４は、ランフ
ラット走行時の高速走行にも耐え得るには相当の荷重支
持力を要するため、強度の高い大型のものを使用する必
要があり、また、タイヤ組立体用リム１への固定を強固
にするため固定用ボルトを多数使用する必要があるの
で、重量の増加、部品点数の増加によるコストの上昇お
よび製造能率の低下の他、前記部品点数の増加が外面か
らの内部の破損の発見や材質の疲労検査等を難しくして
品質管理や安全点検の手間がかかるといった問題が生じ
ていた。また、特に高速走行の場合、タイヤ組立体用リ
ム１とタイヤゴム部５との互いのセンタが安定して一致
していることが安定走行に欠かせないが、タイヤ組立体
用リム１に対してタイヤゴム部５を特に軸方向に安定支
持するためには外周支持面７の幅が広い中子組立体４を
使用する必要があり、前記問題が一層顕著になる。さら
に、この場合、タイヤ組立体用リムのタイヤ内部に占め
る体積比率が大きくなり、空気注入量に対して所定のタ
イヤの空気圧が得られなくなるといった問題もある。However, in the case of the rim for a tire assembly as described above, the core assembly 4 needs a considerable load supporting force to withstand high-speed running during run-flat running. Therefore, it is necessary to use a large-sized one having high strength, and it is necessary to use a large number of fixing bolts in order to firmly fix the rim 1 to the tire assembly. In addition to the increase in cost and the reduction in manufacturing efficiency due to the increase, the increase in the number of parts causes problems such as difficulty in finding internal damage from the outer surface, fatigue inspection of materials, etc., and requiring time and labor for quality control and safety inspection. I was In particular, in the case of high-speed running, it is indispensable for stable running that the center of the tire assembly rim 1 and the center of the tire rubber portion 5 stably coincide with each other. In order to stably support the tire rubber portion 5 particularly in the axial direction, it is necessary to use a core assembly 4 having a wide outer peripheral support surface 7, and the above problem becomes more remarkable. Further, in this case, the volume ratio of the rim for the tire assembly occupying the inside of the tire becomes large, and there is a problem that a predetermined tire air pressure cannot be obtained with respect to the air injection amount.
【０００４】本発明は、前述の課題に鑑みてなされたも
ので、軽量、低コスト、かつ製造が容易でしかも空気注
入量に対して所定のタイヤの空気圧が得られ、ランフラ
ット走行時の走行速度が高速度化し、走行距離が長距離
化するタイヤ組立体用リムを提供することを目的とする
ものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and is lightweight, low-cost, easy to manufacture, and can obtain a predetermined tire air pressure with respect to the amount of air injected. It is an object of the present invention to provide a rim for a tire assembly in which the speed is increased and the traveling distance is increased.
【０００５】[0005]
【課題を解決するための手段】本発明は、前記課題を解
決するため、以下の構成を採用した。すなわち、請求項
１記載のタイヤ組立体用リムでは、ウェル部の幅方向両
側部に、タイヤのビード部が配置・係合されるビードシ
ート部およびフランジ部が形成され、前記ウェル部に該
ウェル部の外側に突出するよう設けられて、タイヤの内
圧低下時に該タイヤのクラウン部を半径方向内側から支
持するタイヤ回転半径維持用の支持台を有するタイヤ組
立体用リムにおいて、前記支持台は、ウェル部の外側に
突設され、外周面にランフラット走行時にタイヤのクラ
ウン部の内周面に対向される略平坦に形成された支持面
を有する膨出部であり、前記膨出部の外周面に装着され
前記クラウン部の内周面に当接される弾性体を備え、前
記膨出部に弾性体固定用の嵌合溝がリム軸方向に離間し
て対向配置され、前記弾性体には前記嵌合溝に嵌合可能
な嵌合突起がリム軸方向に離間して対向配置されている
ことを前記課題の解決手段とした。The present invention has the following features to attain the object mentioned above. That is, in the rim for a tire assembly according to the first aspect, a bead seat portion and a flange portion on which the bead portion of the tire is arranged and engaged are formed on both side portions in the width direction of the well portion, and the well portion is formed on the well portion. A rim for a tire assembly having a support for maintaining a tire rotation radius for supporting a crown portion of the tire from the radial inside when the internal pressure of the tire is reduced, wherein the support is projecting from the outer side of the well portion, Ri bulging portion der having a support surface substantially has a flat form which is opposed to the inner peripheral surface of the crown portion of the tire during run-flat running on an outer peripheral surface of the bulging portion Mounted on the outer surface
An elastic body that is in contact with an inner peripheral surface of the crown portion;
The fitting groove for fixing the elastic body is separated from the bulging part in the rim axis direction.
And can be fitted in the fitting groove with the elastic body.
The above-mentioned problem is solved by the fact that the fitting projections are arranged facing each other while being spaced apart in the rim axis direction .
【０００６】請求項２記載のタイヤ組立体用リムでは、
前記請求項１記載のタイヤ組立体用リムにおいて、前記
膨出部の中央部に中空部が設けられ、膨出部の側部に前
記中空部の内外に連通する貫通孔が形成されていること
前記課題の解決手段とした。In the rim for a tire assembly according to the second aspect ,
The rim for a tire assembly according to claim 1 , wherein a hollow portion is provided at a central portion of the bulging portion, and a through hole communicating with the inside and outside of the hollow portion is formed at a side portion of the bulging portion. This is means for solving the above problems.
【０００７】請求項３記載のタイヤ組立体用リムでは、
前記請求項１または２記載のタイヤ組立体用リムにおい
て、前記膨出部円周長を数等分に区切る等分点に、前記
嵌合溝をリム軸方向に拡張してなる係合溝が設けられ、
前記弾性体の嵌合突起には前記係合溝と嵌合可能な形状
に形成された係合突起が突設されていることを前記課題
の解決手段とした。In the rim for a tire assembly according to the third aspect ,
3. The rim for a tire assembly according to claim 1 , wherein the fitting groove is extended in a rim axial direction at an equally dividing point which divides the circumference of the bulging portion into several equal parts. An engagement groove is provided,
The present invention provides a solution to the above-described problem, in which an engagement protrusion formed in a shape that can be fitted into the engagement groove is provided on the engagement protrusion of the elastic body.
【０００８】請求項４記載のタイヤ組立体用リムでは、
前記請求項１から３のいずれかに記載のタイヤ組立体用
リムにおいて、前記弾性体内に多数の小孔が穿設されて
いることを前記課題の解決手段とした。In the rim for a tire assembly according to the fourth aspect ,
In the rim for a tire assembly according to any one of the first to third aspects, a plurality of small holes are formed in the elastic body.
【０００９】請求項５記載のタイヤ組立体用リムでは、
前記請求項４記載のタイヤ組立体用リムにおいて、前記
小孔が弾性体内において網目状構造を構成していること
を前記課題の解決手段とした。In the rim for a tire assembly according to the fifth aspect ,
According to a fourth aspect of the present invention, in the rim for a tire assembly according to the fourth aspect , the small hole forms a mesh structure in the elastic body.
【００１０】請求項６記載のタイヤ組立体用リムでは、
前記請求項１から５のいずれかに記載のタイヤ組立体用
リムにおいて、前記弾性体は外面がタイヤ内周面に近接
してタイヤ内周面に沿った外周面を有する形状に形成さ
れていることを前記課題の解決手段とした。In the rim for a tire assembly according to the sixth aspect,
The rim for a tire assembly according to any one of claims 1 to 5 , wherein the elastic body is formed in a shape having an outer surface close to the tire inner circumferential surface and having an outer circumferential surface along the tire inner circumferential surface. This is the solution to the above problem.
【００１１】請求項７記載のタイヤ組立体用リムでは、
前記請求項１から６のいずれかに記載のタイヤ組立体用
リムにおいて、嵌合突起が複数の分岐突起を有してな
り、嵌合溝が前記分岐突起を互いに分離させて内装する
分岐溝を有していることを前記課題の解決手段とした。[0011] In the rim for a tire assembly according to claim 7 ,
The rim for a tire assembly according to any one of claims 1 to 6 , wherein the fitting protrusion has a plurality of branch protrusions, and the fitting groove defines a branch groove that separates the branch protrusions from each other and houses the inside. Having this as a means for solving the above problem.
【００１２】請求項８記載のタイヤ組立体用リムでは、
前記請求項１記載のタイヤ組立体用リムにおいて、前記
膨出部円周長を数等分に区切る等分点に、前記嵌合溝を
リム軸方向に拡張してなる係合溝が設けられ、前記弾性
体円周長をリムと同数等分に区切る等分点の嵌合突起に
前記係合溝と嵌合可能な形状に形成された係合突起が突
設され、前記弾性体内に多数の小孔が穿設され、前記小
孔が弾性体内において網目状構造を構成し、しかも、前
記弾性体は外面がタイヤ内周面に近接してタイヤ内周面
に沿った外周面を有する形状に形成され弾性体内の膨出
部近傍は、鉄粉等の磁気吸着可能な材料が分散混入され
てなる磁性部とされ、膨出部も、鉄等の磁気吸着可能な
材料で形成された磁性部とされていることを前記課題の
解決手段とした。[0012] In the rim for a tire assembly according to claim 8,
The rim for a tire assembly according to claim 1, wherein
At the equally dividing point dividing the bulging part circumference into several equal parts, the fitting groove is
An engagement groove extending in the rim axis direction is provided,
Equally spaced fitting projections that divide the body circumference into equal parts as the rim
An engagement protrusion formed in a shape that can be fitted with the engagement groove has a protrusion.
A plurality of small holes are formed in the elastic body,
The holes constitute a network structure in the elastic body, and
The elastic body has an outer surface that is close to the inner circumferential surface of the tire and the inner circumferential surface of the tire.
Swelling in the elastic body formed into a shape with an outer peripheral surface along
In the vicinity of the part, a magnetically adsorbable material such as iron powder is dispersed and mixed.
Magnetic part, and the swelling part can also magnetically adsorb iron etc.
The solution to the above problem is that the magnetic portion is made of a material .
【００１３】[0013]
【発明の実施の形態】以下本発明の第１の実施の形態
を、図１および図２を参照して説明する。図中符号３０
はタイヤ組立体用リム、２０はこのタイヤ組立体用リム
３０に装着されたタイヤである。図１に示すように、タ
イヤ組立体用リム３０は、軸方向両端に設けられた一対
のフランジ部１１、１１と、これらフランジ部１１、１
１の間に設けられた一対のビードシート部１２、１２
と、これらビードシート部１２、１２の間を連結するウ
ェル部Ｗと、このウェル部Ｗの外側に装着される弾性体
３２とで構成されている。前記フランジ部１１、ビード
シート部１２は、鋳造、プレス加工、粉体焼成加工、鍛
造加工、溶接加工、接着加工等、射出成形加工等によっ
て一体成形された同一の金属部材、樹脂部材、磁性部材
等である。また、これらフランジ部１１、ビードシート
部１２、ウェル部Ｗを構成する材料としては、圧縮弾性
率が３％歪み時において４０Ｋｇ／ｃｍ2以上の材料が
好ましく、前記金属材料に限らず、プラスチック、硬質
ゴム、合成軽量難燃性木材、ガラス繊維や炭素繊維を利
用した複合材料、磁性材料等であっても構わない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. Reference numeral 30 in the figure
Is a rim for a tire assembly, and 20 is a rim for the tire assembly.
30 is a tire mounted on the tire. As shown in FIG. 1, the tire assembly rim 30 includes a pair of flange portions 11, 11 provided at both ends in the axial direction, and a pair of these flange portions 11, 1.
A pair of bead seat portions 12, 12 provided between
And a well portion W connecting between the bead seat portions 12 and 12, and an elastic body mounted outside the well portion W
32 . The flange portion 11 and the bead seat portion 12 are formed of the same metal member, resin member, and magnetic member integrally formed by casting, pressing, powder firing, forging, welding, bonding, injection molding, or the like. And so on. Further, as a material constituting the flange portion 11, the bead seat portion 12, and the well portion W, a material having a compression elastic modulus of 40 kg / cm 2 or more when the strain is 3% strain is preferable. Hard rubber, synthetic lightweight flame-retardant wood, composite material using glass fiber or carbon fiber, magnetic material, etc. may be used.
【００１４】タイヤ組立体用リム３０は、ウェル部Ｗ
に、ウェル部Ｗの幅方向中央部において外側に膨出した
支持台としての膨出部３１と、この膨出部３１の外周面
に固定された弾性体３２とを設けてなるものである。The rim 30 for a tire assembly has a well portion W
Further, a swelling portion 31 as a support swelling outward at the center in the width direction of the well portion W, and an elastic body 32 fixed to the outer peripheral surface of the swelling portion 31 are provided.
【００１５】前記膨出部３１は、ウェル部Ｗから一定の
幅でウェル部Ｗの全周にわたって膨出された中実の突条
であって、外周面が、ランフラット走行時にタイヤ２０
のクラウン部２３の内周側に対向される平坦な支持面３
４に形成されている。この支持面３４には、前記弾性体
３２固定用の嵌合溝３５が支持面３４の幅方向（リム軸
方向。図１中左右）２箇所において支持面３４の全周に
わたって延在されている。支持面３４の中央部領域が広
い場合には、全周にわたってタイヤ２０のグリップ力を
得るためのタテ溝を形成してもよい。このタテ溝は、弾
性体３２を支持する嵌合溝としてもよい。The bulging portion 31 is a solid ridge which bulges out from the well portion W at a constant width over the entire circumference of the well portion W.
Flat support surface 3 facing the inner peripheral side of the crown portion 23
4. The support surface 34 is provided with a fitting groove 35 for fixing the elastic body 32 in the width direction of the support surface 34 (rim shaft).
direction. (Left and right in FIG. 1) At two places, the support surface 34 extends over the entire circumference. If the central region of the support surface 34 is wide, a vertical groove for obtaining the grip force of the tire 20 may be formed over the entire circumference. This vertical groove may be a fitting groove for supporting the elastic body 32.
【００１６】前記弾性体３２は、ゴム、樹脂、繊維、紙
等で形成された輪状の無端帯状の部材、または、硬質材
料の場合には、両端のみか全面を接着も併用する所定の
長さの帯輪状の部材であって、内周側に前記嵌合溝３５
に嵌合される嵌合突起３６がその幅方向（リム軸方向。
図１中左右）２箇所に突設されている。これら嵌合突起
３６は、弾性体３２の内周面から斜め外方に突出され、
弾性体３２の内周面周方向全周にわたって延在されてい
る。嵌合突起３６の突出方向（径方向）略中央部には、
係合凹凸部としての小突起３７ａと小凹部３７ｂとが形
成されている。小突起３７ａは、嵌合突起３６の上下両
面に設けられている。小突起３７ａを前記嵌合溝３５内
に形成された嵌合凹部３８ａ（係止凹凸部）と嵌合し、
前記小凹部３７ｂを嵌合溝３５内に形成された小凸部３
８ｂ（係止凹凸部）と嵌合することにより、これら２つ
の嵌め合わせを併用することにより、嵌合突起３６の嵌
合溝３５からの抜けが防止されている。この場合、膨出
部３１の外周面、嵌合溝３５、嵌合凹部３８ａの所定部
位へ、弾性体３２の内周面、小突起３７ａ、嵌合突起３
６の要所を接着材で接着を併用してもよい。弾性体３２
は、基本的には孔無しとするが、弾性体３２の材質、構
造等により、必要な場合は、その外周面または側面へ孔
を開口する。The elastic body 32 is a ring-shaped endless belt-shaped member made of rubber, resin, fiber, paper, or the like. A ring-shaped member having the fitting groove 35 on the inner peripheral side.
Is fitted in the width direction (rim axis direction).
(Left and right in FIG. 1) It protrudes at two places. These fitting projections 36 project obliquely outward from the inner peripheral surface of the elastic body 32,
The elastic body 32 extends over the entire circumference of the inner peripheral surface in the circumferential direction. At the approximate center of the protruding direction (radial direction) of the fitting protrusion 36,
Small projections 37a and small recesses 37b are formed as engaging concave and convex portions. The small protrusions 37 a are provided on both upper and lower surfaces of the fitting protrusion 36. The small protrusion 37a is fitted into the fitting concave portion 38a (locking uneven portion) formed in the fitting groove 35,
The small concave portion 37 b is formed in the small convex portion 3 formed in the fitting groove 35.
8b (an engaging concave and convex portion), by using these two fittings together, the fitting projection 36 is prevented from coming out of the fitting groove 35. In this case, the inner peripheral surface of the elastic body 32, the small protrusion 37a, and the fitting protrusion 3 are transferred to predetermined portions of the outer circumferential surface of the bulging portion 31, the fitting groove 35, and the fitting concave portion 38a.
Adhesives may be used in combination at important points 6. Elastic body 32
The hole is basically made without a hole, but a hole is opened in the outer peripheral surface or side surface of the elastic body 32, if necessary, depending on the material and structure of the elastic body 32.
【００１７】また、弾性体３２内の膨出部３１近傍は、
鉄粉等の磁気吸着可能な材料が分散混入されてなる磁性
部とされている。膨出部３１も、鉄等の磁気吸着可能な
材料で形成された磁性部とされている。弾性体３２は、
図示しない磁気発生手段によって膨出部３１を磁化する
ことにより、膨出部３１に磁気吸着されている。なお、
膨出部３１自身または弾性体３２の磁性部の少なくとも
いずれか一方に予め磁化しておいた永久磁石を使用すれ
ば、磁気発生手段の設置は不要である。The vicinity of the bulging portion 31 in the elastic body 32 is
The magnetic part is made of a magnetically adsorbable material such as iron powder dispersedly mixed therein. The bulging portion 31 is also a magnetic portion formed of a material that can be magnetically attracted such as iron. The elastic body 32
The swelling portion 31 is magnetized by magnetism generating means (not shown), so that the swelling portion 31 is magnetically attracted to the swelling portion 31. In addition,
If a permanent magnet that has been magnetized in advance is used for at least one of the swelling portion 31 and the magnetic portion of the elastic body 32, it is not necessary to provide a magnetism generating means.
【００１８】弾性体３２の半径方向外側の面は、半径方
向外方に凸とされた緩やかな湾曲面に形成されている。
図２に示すように、弾性体３２固定用の嵌合溝３５の周
長（図２奥行き方向）を数等分する等分点においては係
合溝３８ｃが形成され、弾性体３２の嵌合突起３６には
係合突起３７ｃが形成され、前記係合溝３８ｃは前記係
合突起３７ｃと係合可能に形成されている。これら係合
突起３７ｃおよび係合溝３８ｃは、弾性体３２を膨出部
３１に対して互いの周方向位置を決めて装着した際に、
すべての係合突起３７ｃ、係合溝３８ｃが互いに係合す
るようになっている。また、係合突起３７ｃと係合溝３
８ｃとの係合は、弾性体３２の熱圧変形、伸長、抜け外
れ、ランフラット走行時の接地部分におけるズレや発熱
を防止するようになっている。The outer surface of the elastic body 32 in the radial direction is formed as a gentle curved surface convex outward in the radial direction.
As shown in FIG. 2, an engagement groove 38 c is formed at an equally dividing point which divides the circumferential length (the depth direction in FIG. 2) of the fitting groove 35 for fixing the elastic body 32, and the fitting of the elastic body 32 is performed. An engagement protrusion 37c is formed on the protrusion 36, and the engagement groove 38c is formed so as to be able to engage with the engagement protrusion 37c. The engagement protrusion 37c and the engagement groove 38c are used when the elastic body 32 is mounted on the bulging portion 31 while determining its circumferential position.
All the engagement projections 37c and the engagement grooves 38c are designed to engage with each other. In addition, the engagement protrusion 37c and the engagement groove 3
The engagement with 8c prevents the elastic body 32 from being deformed by heat and pressure, expanded, disengaged, and displaced or generated heat at the ground contact portion during run flat running.
【００１９】弾性体３２は、外周面または側面へ大きさ
と形状が同一の貫通孔や半通孔等の小孔３２ａを等間隔
に規則正しく配列して穿設することにより、比重の大き
い固めの弾性体３２を使用するであっても、その軽量化
や、ランフラット走行時の発熱の緩和、滑り止めとして
のタイヤ２０内周面との間の十分なグリップ力の確保が
なされる。なお、前記小孔３２ａは、弾性体３２内にお
いて網目状に形成され、弾性体３２を軽量化するととも
に、弾性体３２のタイヤ２０内面との接触領域の場所や
大きさに関わらず、タイヤ２０内の空気流動を可能にし
て、弾性体３２の変形の自由度の維持に寄与する。The elastic body 32 is formed by regularly arranging small holes 32a such as through-holes and semi-through holes having the same size and shape on the outer peripheral surface or side surface at regular intervals, thereby providing a solid elastic material having a large specific gravity. Even if the body 32 is used, the weight can be reduced, the heat generation during run-flat running can be reduced, and a sufficient grip force between the tire 32 and the inner peripheral surface as a non-slip can be ensured. The small holes 32a are formed in a mesh shape in the elastic body 32 to reduce the weight of the elastic body 32, and regardless of the location or size of the contact area of the elastic body 32 with the inner surface of the tire 20, This allows the air to flow inside and contributes to maintaining the degree of freedom of deformation of the elastic body 32.
【００２０】前記タイヤ組立体用リム３０によれば、ラ
ンフラット走行時には、タイヤ２０のクラウン部２３内
周面が弾性体３２の外周面に当接されて、走行時の荷重
が弾性体３２を介して膨出部３１に支持される。この
際、クラウン部２３内周面は、弾性体３２との間のグリ
ップ力によって特に軸方向へのネジレ等が防止されるの
で、カーブ走行性が大幅に向上する。膨出部３１が中実
の突条であるので高い強度を有しているから、ランフラ
ット走行時における荷重支持力および耐久性が向上し
て、ランフラット時における一層の走行速度の上昇およ
び走行距離の延長が可能となる。タイヤの偏平率や形状
に対応して膨出部３１と弾性体３２のそれぞれの横幅、
高さ、当接面の形状等を調整することができる。また、
ランフラット走行時には、弾性体３２内を小孔３２ａを
介して空気が流動するので、弾性体３２の変形が迅速に
なされ、常に高いグリップ力が確保される。According to the rim 30 for a tire assembly, the inner peripheral surface of the crown portion 23 of the tire 20 is in contact with the outer peripheral surface of the elastic body 32 during run-flat running, so that the load applied during running runs on the elastic body 32. It is supported by the bulging part 31 through the. At this time, the inner peripheral surface of the crown portion 23 is prevented from being twisted particularly in the axial direction by the grip force between the crown portion 23 and the elastic body 32, so that the curve running performance is greatly improved. Since the bulging portion 31 is a solid ridge, the bulging portion 31 has a high strength, so that the load supporting force and durability during run-flat running are improved, and the running speed is further increased and running during run-flat. The distance can be extended. The width of each of the bulging portion 31 and the elastic body 32 corresponding to the flatness and shape of the tire,
The height, the shape of the contact surface, and the like can be adjusted. Also,
During run flat running, air flows through the small holes 32a in the elastic body 32, so that the elastic body 32 is quickly deformed and a high grip force is always secured.
【００２１】なお、本実施の形態は、偏平率の大きいタ
イヤに適したものであるが、偏平率の小さいタイヤに適
用した場合においても、同様の効果を発揮する。前記弾
性体３２外周面や、クラウン部２３の内周面には、ラン
フラット走行時に互いのグリップ力を強化するための凹
凸を設けるようにしてもよい。Although the present embodiment is suitable for a tire having a large flatness, the same effect can be obtained when applied to a tire having a small flatness. The outer peripheral surface of the elastic body 32 and the inner peripheral surface of the crown portion 23 may be provided with irregularities for enhancing the mutual grip force during run flat running.
【００２２】以下、本発明のタイヤ組立体用リムの第２
の実施の形態を図３を参照して説明する。図中符号４０
は本実施の形態のタイヤ組立体用リムである。前記タイ
ヤ組立体用リム４０は、前記第２の実施の形態のタイヤ
組立体用リム３０において、膨出部３１内に断面アーチ
型の中空部４１がその周方向全周にわたって設けられた
ものである。前記中空部４１には、中空部４１の内外に
連通する形状と大きさが同一の貫通孔４２が等間隔に規
則正しく配列・形成されている。中空部４１のウェル部
Ｗからの半径方向外側への突出寸法は適宜タイヤ２０形
状等に対応して変更されるものであり、また、この突出
寸法の変更に伴って中空部４１形状も変更される。タイ
ヤの偏平率や形状に対応して、膨出部３１と弾性体３２
の横幅、高さ、当接面の形状等は、自由に変更できる。Hereinafter, a second example of the rim for a tire assembly according to the present invention will be described.
The embodiment will be described with reference to FIG. Reference numeral 40 in the figure
Is a rim for a tire assembly according to the present embodiment. The tire assembly rim 40 is different from the tire assembly rim 30 of the second embodiment in that a hollow portion 41 having an arch-shaped cross section is provided in the bulging portion 31 over the entire circumference in the circumferential direction. is there. In the hollow portion 41, through holes 42 having the same shape and size as communicating with the inside and outside of the hollow portion 41 are regularly arranged and formed at equal intervals. The dimension of the hollow portion 41 protruding radially outward from the well portion W is appropriately changed in accordance with the shape of the tire 20 and the like, and the shape of the hollow portion 41 is also changed in accordance with the change in the projecting size. You. The bulging portion 31 and the elastic body 32 correspond to the flatness and shape of the tire.
The width, height, shape of the contact surface, etc. can be freely changed.
【００２３】本実施の形態のタイヤ組立体用リム４０に
よれば、第１の実施の形態のタイヤ組立体用リム３０と
同様に高い強度を有するとともに、中空部４１が設けら
れているので前記第２の実施の形態のタイヤ組立体用リ
ム３０に比して軽量であり、この中空部４１を装着した
車両のカーブ走行性や操縦性が向上するとともに、材料
を節約することができるのでコストが低減する。また、
ランフラット走行時には、中空部４１内外に貫通孔４２
を介して空気が流通して膨出部の加熱が緩和されるの
で、走行速度の高速化および走行距離の長距離化が可能
である。According to the rim 40 for a tire assembly of this embodiment, the rim 40 has a high strength similarly to the rim 30 for a tire assembly of the first embodiment, and the hollow portion 41 is provided. It is lighter in weight than the rim 30 for a tire assembly according to the second embodiment, so that the vehicle equipped with the hollow portion 41 can improve the curve running performance and the maneuverability, and can save material, thereby reducing costs. Is reduced. Also,
During run-flat running, through holes 42 are formed inside and outside the hollow portion 41.
Thus, the air is circulated through the air to ease the heating of the bulging portion, so that it is possible to increase the traveling speed and extend the traveling distance.
【００２４】なお、前記貫通孔４２は、アーチ状等の種
々の形状の開口部であっても構わない。中空部４１の断
面形状および大きさは、図示した略アーチ型以外であっ
ても構わない。The through hole 42 may be an opening having various shapes such as an arch shape. The cross-sectional shape and size of the hollow portion 41 may be other than the illustrated substantially arched shape.
【００２５】以下、本発明のタイヤ組立体用リムの第３
の実施の形態を図４を参照して説明する。図中符号５０
は本実施の形態のタイヤ組立体用リムである。前記タイ
ヤ組立体用リム５０は、ウェル部Ｗの外周面軸方向両端
部に、弾性体５１を支持する弾性体支持部５２が突設さ
れ、さらに、ウェル部Ｗの幅方向中央部に弾性体中央支
持部５３が突設されている。これら第１、第２の支持部
５２、５３は弾性体５１の支持台を構成する。前記弾性
体５１は、外周面がタイヤ２０内周面に近接する大きさ
を有し、内周側に前記弾性体支持部５２、弾性体中央支
持部５３と係合可能なフランジ状の嵌合突起５４が弾性
体５１内周面の軸方向２箇所において互いに平行として
突設されている。これら嵌合突起５４、５４は、弾性体
５１の内周側全周にわたって形成されている。これら嵌
合突起５４、５４は、それぞれ断面逆Ｔ字状に形成さ
れ、互いの内側の突出部５５、５５が弾性体中央支持部
５３に係合され、互いの外側の突出部５５、５５が前記
弾性体支持部５２、５２に係合されている。また、弾性
体５１は、前記第１の実施の形態のタイヤ組立体用リム
２０記載の弾性体３２と同様に、内部に多数の小孔３２
ａが形成されている。Hereinafter, a third example of the rim for a tire assembly according to the present invention will be described.
The embodiment will be described with reference to FIG. Reference numeral 50 in the figure
Is a rim for a tire assembly according to the present embodiment. The tire assembly rim 50 has an elastic body supporting portion 52 that supports the elastic body 51 at both ends in the axial direction of the outer peripheral surface of the well portion W, and further has an elastic body at the center in the width direction of the well portion W. A central support portion 53 is protruded. These first and second support portions
52, 53 constitute a support for the elastic body 51. The elastic body 51 has a size such that its outer peripheral surface is close to the inner peripheral surface of the tire 20, and has a flange-like fitting that can be engaged with the elastic body supporting portion 52 and the elastic body central supporting portion 53 on the inner circumferential side. The protrusions 54 are provided so as to be parallel to each other at two axial positions on the inner peripheral surface of the elastic body 51. The fitting protrusions 54 are formed over the entire inner circumference of the elastic body 51. These fitting projections 54, 54 are each formed in an inverted T-shaped cross section, and the respective inner protrusions 55, 55 are engaged with the elastic body central support 53, and the respective outer protrusions 55, 55 are formed. The elastic support portions 52 are engaged with each other. The elastic body 51 has a large number of small holes 32 therein similarly to the elastic body 32 described in the rim 20 for a tire assembly of the first embodiment.
a is formed.
【００２６】弾性体支持部５２および弾性体中央支持部
５３は、ウェル部Ｗの全周にわたって延在された突条で
ある。前記弾性体支持部５２は、それぞれウェル部Ｗと
一体成形によって形成された断面逆Ｌ字状の突起であ
る。これら弾性体支持部５２、５２は、一側５７がウェ
ル部Ｗから半径方向外側に突出され、他側５６が前記一
側５７先端からウェル部Ｗの幅方向と平行に配置され、
対向する相手側の弾性体支持部５２に向けられている。
弾性体中央支持部５３は、ウェル部Ｗと一体成形によっ
て形成された断面Ｔ字状の突起であって、ウェブ５８が
ウェル部Ｗから半径方向外側に突出され、フランジ５９
がこのウェブ５８先端においてウェル部Ｗの幅方向と平
行に配置されている。各弾性体５１の他側５６と弾性体
中央支持部５３のフランジ５９とは対向配置され、弾性
体５１と弾性体中央支持部５３との間に嵌入された嵌合
突起５４の突出部５５と係合して嵌合突起５４がウェル
部Ｗの径方向外方に抜けることを防止する対を構成して
いる。なお、ウェル部Ｗの弾性体支持部５２および弾性
体中央支持部５３の形成部分は、膨出部として機能して
いる。The elastic support portion 52 and the elastic central support portion 53 are ridges extending over the entire circumference of the well portion W. Each of the elastic body support portions 52 is a projection having an inverted L-shaped cross section formed by integral molding with the well portion W, respectively. These elastic body support portions 52, 52 have one side 57 protruding radially outward from the well portion W, and the other side 56 is disposed parallel to the width direction of the well portion W from the tip of the one side 57,
It is directed to the opposing elastic body support 52.
The elastic body central support portion 53 is a projection having a T-shaped cross section formed by integral molding with the well portion W. The web 58 projects radially outward from the well portion W, and the flange 59.
Are arranged at the tip of the web 58 in parallel with the width direction of the well portion W. The other side 56 of each elastic member 51 and the flange 59 of the elastic member central support portion 53 are disposed to face each other, and the protrusion 55 of the fitting protrusion 54 fitted between the elastic member 51 and the elastic member central support portion 53 is provided. A pair that engages to prevent the fitting protrusion 54 from coming off radially outward of the well portion W is configured. In addition, the formation part of the elastic body support part 52 and the elastic body center support part 53 of the well part W functions as a bulging part.
【００２７】したがって、本実施の形態のタイヤ組立体
用リム５０によれば、ランフラット走行時に弾性体５１
がタイヤ２０を支持してタイヤ２０の潰れが小さいの
で、車両がパンクしたタイヤ２０方向に傾倒することが
防止され、車両の走行性および操縦性を維持することが
できる。また、弾性体５１は、ランフラット走行時に小
孔３２ａを介して空気が流通して弾性体５１側面から出
入りするので、弾性体５１が外力に対して迅速に変形
し、常時適切なグリップ力を確保することができる。Therefore, according to the rim 50 for a tire assembly of the present embodiment, the elastic body 51 during run flat running is provided.
Supports the tire 20, and the collapse of the tire 20 is small, so that the vehicle is prevented from leaning in the direction of the punctured tire 20, and the traveling performance and the maneuverability of the vehicle can be maintained. In addition, the air flows through the small holes 32a during run-flat traveling and enters and exits from the side of the elastic body 51, so that the elastic body 51 is quickly deformed by an external force, and always has an appropriate grip force. Can be secured.
【００２８】以下、本発明のタイヤ組立体用リムの第４
の実施の形態を図５を参照して説明する。このタイヤ組
立体用リム９０は、弾性体９１に一対の分岐突起９２か
らなる嵌合突起９３を形成し、このウェル部Ｗの幅方向
複数箇所に、前記嵌合突起９３が嵌合される嵌合溝９４
を開口したものである。前記分岐突起９２は、弾性体９
１のウェル部Ｗに載置される底面から末広がりとなるよ
うに二股に分岐されている。嵌合溝９４は、分岐突起９
２と一致する二つの分岐溝９５で構成されている。各分
岐溝９５には、各分岐突起９２の側部に突設された係止
爪９６を係止する係止凹部９７が形成されている。な
お、ウェル部Ｗの嵌合溝９４形成部分は、膨出部９０ａ
として機能している。係止爪９６は先端が分岐突起９２
基端部方向に向けて突設された突起である。Hereinafter, a fourth example of the rim for a tire assembly according to the present invention will be described.
The embodiment will be described with reference to FIG. In the rim 90 for a tire assembly, a fitting projection 93 formed of a pair of branch projections 92 is formed on an elastic body 91, and the fitting projection 93 is fitted to a plurality of locations in the width direction of the well portion W. Mating groove 94
Is opened. The branch protrusion 92 is formed by the elastic member 9.
It is bifurcated so as to spread out from the bottom surface placed on one well portion W. The fitting groove 94 is formed in the branch protrusion 9.
It is composed of two branch grooves 95 that match 2. Each branch groove 95 is provided with a locking recess 97 for locking a locking claw 96 protruding from a side of each branch protrusion 92. The well portion W is formed with the fitting groove 94 at the bulging portion 90a.
Functioning as The locking claw 96 has a branch projection 92 at the tip.
It is a projection protruding toward the base end.
【００２９】前記嵌合突起９３を嵌合溝９４に嵌合する
には、対を形成する分岐突起９２の先端同士を弾性変形
して互いに接近させ、嵌合溝９４の開口部に挿入し、嵌
合溝９４の奥側に圧入するだけでよい。こうすることに
より、各分岐突起９２が嵌合溝９４の分岐溝９５内に自
然に進入して嵌合するとともに、元の形状に戻る方向に
作用する弾性によって係止爪９６が係止凹部９７内に押
し込まれて係合する。係止爪９６は、分岐突起９２の基
端部方向に向けて突設されているので、大きな引き抜き
抵抗力を発揮する。In order to fit the fitting projection 93 into the fitting groove 94, the ends of the branch projections 92 forming a pair are elastically deformed to approach each other, and inserted into the opening of the fitting groove 94. It is only necessary to press-fit the inner side of the fitting groove 94. By doing so, each of the branch projections 92 naturally enters and fits into the branch groove 95 of the fitting groove 94, and the locking claw 96 is formed by the elasticity acting in the direction of returning to the original shape. It is pushed into and engaged. Since the locking claw 96 is protruded toward the base end portion of the branch protrusion 92, it exhibits a large pull-out resistance.
【００３０】したがって、本実施の形態のタイヤ組立体
用リムによれば、分岐突起９２と分岐溝９５との嵌合に
よって嵌合突起９３の分岐溝９５からの引き抜き抵抗力
が大幅に増大して弾性体９０全体の軽量化や強度設計の
自由度が向上する。また、分岐突起９２の嵌合溝９４へ
の挿入が容易であるので、ウェル部Ｗへの弾性体９１の
装着作業能率が向上する。なお、前記嵌合突起は、３以
上の分岐突起によって構成するようにしてもよい。ま
た、分岐突起を、互いに同等の形状に形成する必要性は
無い。Therefore, according to the rim for a tire assembly of the present embodiment, the resistance of pulling out the fitting projection 93 from the branch groove 95 is greatly increased by the fitting of the branch projection 92 and the branch groove 95. The weight of the entire elastic body 90 and the degree of freedom in strength design are improved. In addition, since the insertion of the branch protrusion 92 into the fitting groove 94 is easy, the work efficiency of attaching the elastic body 91 to the well W is improved. The fitting projection may be configured by three or more branch projections. Further, there is no need to form the branch projections in the same shape.
【００３１】加えて、本実施の形態の嵌合突起は、一つ
で複数の方向の引き抜き力に対して引き抜き抵抗力を発
揮することができるので、図５に示すように、他の嵌合
突起９８とともに弾性体９９に併設することにより、弾
性体９９のウェル部Ｗに対する接着力を容易に向上する
ことができる。また、図５中左右対称に分岐されて拡が
る形状の嵌合突起１００を弾性体９９の幅方向中央部に
形成した場合には、嵌合突起１００と嵌合する嵌合溝１
０１も左右対称である。In addition, since the fitting protrusion of the present embodiment can exert a pull-out resistance force against a pulling force in a plurality of directions by itself, as shown in FIG. By providing the elastic body 99 together with the projection 98, the adhesive force of the elastic body 99 to the well W can be easily improved. In addition, it is branched symmetrically in FIG.
In the case where the fitting protrusion 100 is formed at the center in the width direction of the elastic body 99, the fitting groove 1 fitted with the fitting protrusion 100 is formed.
01 is also symmetrical.
【００３２】なお、前記実施の形態において、弾性体と
ウェル部Ｗとの間には、接着剤を適用することが好まし
い。In the above embodiment, it is preferable to apply an adhesive between the elastic body and the well portion W.
【００３３】[0033]
【発明の効果】以上説明したように、請求項１記載のタ
イヤ組立体用リムによれば、ウェル部に形成された膨出
部によってランフラット走行時の荷重を支持するので、
ランフラット走行時の荷重に対して高い耐力を発揮し、
一層の走行速度の高速化および走行距離の長距離化が可
能となる。しかも、ランフラット走行時に、タイヤのク
ラウン部内周面が弾性体表面に当接し、弾性体を介して
走行時の荷重が膨出部に伝達されるので、タイヤ軸方向
へのタイヤのクラウン部の変位力に対する弾性体の支持
力が向上する。さらに、ランフラット走行時に、タイヤ
のクラウン部内周面が弾性体表面に当接し、弾性体を介
して走行時の荷重が膨出部に伝達されるの で、タイヤ軸
方向へのタイヤのクラウン部の変位力に対する弾性体の
支持力が向上する。 As described above, according to the rim for a tire assembly of the first aspect, the load during run-flat running is supported by the bulge formed in the well.
Demonstrates high resistance to the load during run flat running,
It is possible to further increase the traveling speed and extend the traveling distance. In addition, tire run-off
The inner peripheral surface of the round part contacts the surface of the elastic body, and
Since the load during traveling is transmitted to the bulging part, the tire axial direction
Of Elastic Body for Displacement Force of Crown of Tire
Power improves. In addition, when running flat, tires
The inner peripheral surface of the crown abuts against the elastic body surface,
And load during travel is of being transmitted to the bulge portion, a tire axis
Of the elastic body to the displacement force of the tire crown in the
Support capacity is improved.
【００３４】請求項２記載のタイヤ組立体用リムによれ
ば、中空部によって軽量化および材料の節約によるコス
トの低減が図られるとともに、支持台内部にも空気が流
通するのでタイヤ内への空気の注入量に影響が無く、し
かも、この流通空気によってランフラット走行時に支持
台が摩擦熱が緩和されるので走行速度の高速化および走
行距離の長距離化が可能となり、さらに、開口部を利用
して支持台内部をその外側から容易に検査することがで
きるので品質管理やメンテナンスの能率や精度が向上す
る。According to the tire assembly rim according to claim 2, wherein the air along with reducing costs by saving weight and material by the hollow portion is achieved, to the tire because the air flows also to the support inside This has no effect on the injection amount, and the circulating air reduces the frictional heat of the support during run-flat running, so that the running speed can be increased and the running distance can be increased. As a result, the inside of the support table can be easily inspected from the outside, so that the efficiency and accuracy of quality control and maintenance are improved.
【００３５】請求項３記載のタイヤ組立体用リムによれ
ば、前記請求項１または２記載のタイヤ組立体用リムに
おいて、前記膨出部円周長を数等分に区切る等分点に、
前記嵌合溝をリム軸方向に拡張してなる係合溝が設けら
れ、前記弾性体の嵌合突起には前記係合溝と嵌合可能な
形状に形成された係合突起が突設されていることを前記
課題の解決手段としたので、ランフラット走行時に設置
部分に位置する弾性体が膨出部に対して車の進行方向後
方にずれることが防止され、特に、ブレーキ時には、弾
性体と膨出部との間の互いの周方向への相対変位が規制
されて膨出部からの弾性体の離脱が防止されるととも
に、ブレーキ力がタイヤの回転阻止に効率良く作用し
て、ランフラット走行時のブレーキ性能が向上する。ま
た、このタイヤ組立体用リムを装着した自動車において
は、ランフラット走行時のタイヤの回転駆動力が効率良
く伝達され、無駄にならない。According to the rim for a tire assembly according to the third aspect , in the rim for a tire assembly according to the first or second aspect , the circumferential length of the bulging portion is divided into several equal parts .
Fitting groove engaging groove formed by expanding the rim axis direction is provided, and engagement projections formed on the engagement groove shape to be fitted is protruded in the fitting protrusion of the elastic member Therefore, it is possible to prevent the elastic body located at the installation portion from being shifted rearward in the traveling direction of the vehicle with respect to the bulging portion during run-flat running, and The relative displacement of the elastic body and the bulging portion in the circumferential direction is restricted to prevent separation of the elastic body from the bulging portion, and the braking force acts efficiently to prevent rotation of the tire, and Brake performance during flat running is improved. Further, in a vehicle equipped with the rim for a tire assembly, the rotational driving force of the tire at the time of run flat running is efficiently transmitted, and is not wasted.
【００３６】請求項４記載のタイヤ組立体用リムでは、
前記請求項１から３のいずれかに記載のタイヤ組立体用
リムにおいて、前記弾性体内に多数の小孔が穿設されて
いることを前記課題の解決手段としたので、ランフラッ
ト走行時の弾性体外面とタイヤ内周面との間の摩擦力が
向上してタイヤのグリップ力が増大し、前記タイヤの回
転駆動力の伝達能率や、ブレーキ性能が向上する。In the rim for a tire assembly according to the fourth aspect ,
The rim for a tire assembly according to any one of claims 1 to 3 , wherein a large number of small holes are formed in the elastic body to solve the problem. The frictional force between the outer surface of the body and the inner peripheral surface of the tire is improved, the grip force of the tire is increased, and the transmission efficiency of the rotational driving force of the tire and the braking performance are improved.
【００３７】請求項５記載のタイヤ組立体用リムでは、
前記請求項４記載のタイヤ組立体用リムにおいて、前記
小孔が弾性体内において網目状構造を構成していること
を前記課題の解決手段としたので、弾性体とタイヤとの
グリップ力が一層向上するとともに弾性体が軽量化され
るから、タイヤの回転駆動力の伝達能率やブレーキ性能
の一層の向上が可能となるほか、このタイヤ組立体用リ
ムを装着した自動車の燃費が向上し、操縦性および走行
性も向上する。In the rim for a tire assembly according to the fifth aspect ,
The rim for a tire assembly according to claim 4 , wherein the small holes form a mesh structure in the elastic body, and the gripping force between the elastic body and the tire is further improved. In addition, the elastic body is reduced in weight and the transmission efficiency of the tire's rotational driving force and the braking performance can be further improved. In addition, the fuel efficiency of the vehicle equipped with this rim for tire assembly is improved, and the maneuverability is improved. And the running performance is also improved.
【００３８】請求項６記載のタイヤ組立体用リムでは、
前記請求項１から５のいずれかに記載のタイヤ組立体用
リムにおいて、前記弾性体は外面がタイヤ内周面に近接
する形状に形成されていることを前記課題の解決手段と
したので、ランフラット走行時においても、通常走行時
に比してタイヤ径の変化が少なく、車体の傾倒も少ない
から、走行性や操縦性が維持される。In the rim for a tire assembly according to the sixth aspect ,
The rim for a tire assembly according to any one of claims 1 to 5 , wherein the elastic body is formed to have a shape whose outer surface is close to the inner circumferential surface of the tire. Even during flat running, the change in tire diameter and the leaning of the vehicle body are smaller than during normal running, so that the running performance and the maneuverability are maintained.
【００３９】請求項７記載のタイヤ組立体用リムでは、
前記請求項１から６のいずれかに記載のタイヤ組立体用
リムにおいて、嵌合突起が複数の分岐突起を有してな
り、嵌合溝が前記分岐突起を互いに分離させて内装する
分岐溝を有しているので、ウェル部への弾性体の装着作
業性が向上する。In the rim for a tire assembly according to the seventh aspect ,
The rim for a tire assembly according to any one of claims 1 to 6 , wherein the fitting protrusion has a plurality of branch protrusions, and the fitting groove defines a branch groove that separates the branch protrusions from each other and houses the inside. Because of this, the workability of attaching the elastic body to the well part is improved.
【００４０】請求項８記載のタイヤ組立体用リムでは、
前記請求項１記載のタイヤ組立体用リムにおいて、前記
膨出部円周長を数等分に区切る等分点に、前記嵌合溝を
リム軸方向に拡張してなる係合溝が設けられ、前記弾性
体円周長をリムと同数等分に区切る等分点の嵌合突起に
前記係合溝と嵌合可能な形状に形成された係合突起が突
設され、前記弾性体内に多数の小孔が穿設され、前記小
孔が弾性体内において網目状構造を構成し、しかも、前
記弾性体は外面がタイヤ内周面に近接してタイヤ内周面
に沿った外周面を有する形状に形成され弾性体内の膨出
部近傍は、鉄粉等の磁気吸着可能な材料が分散混入され
てなる磁性部とされ、膨出部も、鉄等の磁気吸着可能な
材料で形成された磁性部とされていることを前記課題の
解決手段としている。In the rim for a tire assembly according to the eighth aspect ,
The rim for a tire assembly according to claim 1, wherein
At the equally dividing point dividing the bulging part circumference into several equal parts, the fitting groove is
An engagement groove extending in the rim axis direction is provided,
Equally spaced fitting projections that divide the body circumference into equal parts as the rim
An engagement protrusion formed in a shape that can be fitted with the engagement groove has a protrusion.
A plurality of small holes are formed in the elastic body,
The holes constitute a network structure in the elastic body, and
The elastic body has an outer surface that is close to the inner circumferential surface of the tire and the inner circumferential surface of the tire.
Swelling in the elastic body formed into a shape with an outer peripheral surface along
In the vicinity of the part, a magnetically adsorbable material such as iron powder is dispersed and mixed.
Magnetic part, and the swelling part can also magnetically adsorb iron etc.
It is said that the magnetic part is made of a material.
The solution .
【図１】 本発明のタイヤ組立体用リムの第１の実施の
形態を示す正断面図である。FIG. 1 is a front sectional view showing a first embodiment of a rim for a tire assembly according to the present invention.
【図２】 本発明のタイヤ組立体用リムの第１の実施の
形態を示す正断面図である。FIG. 2 is a front sectional view showing the first embodiment of the rim for a tire assembly according to the present invention.
【図３】 本発明のタイヤ組立体用リムの第２の実施の
形態の係合突起および係合溝を示す断面斜視図である。FIG. 3 is a sectional perspective view showing an engagement protrusion and an engagement groove of a second embodiment of the rim for a tire assembly of the present invention.
【図４】 本発明のタイヤ組立体用リムの第３の実施の
形態を示す正断面図である。FIG. 4 is a front sectional view showing a third embodiment of the rim for a tire assembly according to the present invention.
【図５】 本発明のタイヤ組立体用リムの第４の実施の
形態を示す正断面図である。FIG. 5 is a front sectional view showing a fourth embodiment of the rim for a tire assembly according to the present invention.
【図６】 本発明のタイヤ組立体用リムの第４の実施の
形態を示す図であって、分岐突起を有する弾性体を適用
したタイヤ組立体用リムの他の例を示す正断面図であ
る。FIG. 6 is a diagram showing a fourth embodiment of the rim for a tire assembly according to the present invention, and is a front sectional view showing another example of a rim for a tire assembly to which an elastic body having a branch projection is applied. is there.
【図７】 従来のタイヤ組立体用リムを示す正断面図で
ある。FIG. 7 is a front sectional view showing a conventional rim for a tire assembly.
１１ フランジ部 １２ ビードシート部 ２０ タイヤ ２１ ビード部 ２３ クラウン部 ３０ タイヤ組立体用リム ３１ 膨出部（支持台、磁性部） ３２ 弾性体 ３２ａ 小孔 ３４ 支持面 ３５ 嵌合溝 ３６ 嵌合突起 ３８ｃ 係合溝 ５０ タイヤ組立体用リム ５１ 弾性体 ５４ 嵌合突起 ９０ タイヤ組立体用リム９０ａ 膨出部 ９１ 弾性体 ９２ 分岐突起 ９３ 嵌合突起 ９４ 嵌合溝 ９５ 分岐溝 ９８ 嵌合突起 ９９ 弾性体 １００ 嵌合突起 １０１ 嵌合溝 Ｗ ウェル部（磁性部）REFERENCE SIGNS LIST 11 flange portion 12 bead seat portion 20 tire 21 bead portion 23 crown portion 30 rim for tire assembly 31 bulge portion (support base, magnetic portion) 32 elastic body 32 a small hole 34 support surface 35 fitting groove 36 fitting protrusion 38 c Engaging groove 50 tire assembly rim 51 elastic body 54 fitting projection 90 tire assembly rim 90a bulging portion 91 elastic body 92 branch projection 93 fitting projection 94 fitting groove 95 branch groove 98 fitting projection 99 elastic body REFERENCE SIGNS LIST 100 fitting protrusion 101 fitting groove W well part (magnetic part)
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−37202（ＪＰ，Ａ) 特開 昭60−203508（ＪＰ，Ａ) 特開 平１−202501（ＪＰ，Ａ) 特開 昭60−15207（ＪＰ，Ａ) 特開 昭56−60705（ＪＰ，Ａ) 特開 平１−148603（ＪＰ，Ａ) 特開 昭62−61808（ＪＰ，Ａ) 特開 昭61−235207（ＪＰ，Ａ) 特開 平６−183226（ＪＰ，Ａ) 特表 平８−506297（ＪＰ，Ａ) 実開 昭64−34303（ＪＰ，Ｕ) 実開 昭63−126105（ＪＰ，Ｕ) 実開 平５−41902（ＪＰ，Ｕ) 特公 昭55−8362（ＪＰ，Ｂ２) 実公 昭59−42243（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.6，ＤＢ名) B60B 21/12 B60C 17/04 B60C 17/06──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-37202 (JP, A) JP-A-60-203508 (JP, A) JP-A-1-202501 (JP, A) JP-A 60-203 15207 (JP, A) JP-A-56-60705 (JP, A) JP-A-1-148603 (JP, A) JP-A-62-61808 (JP, A) JP-A-61-235207 (JP, A) JP-A-6-183226 (JP, A) JP-A-8-506297 (JP, A) JP-A 64-34303 (JP, U) JP-A 63-126105 (JP, U) JP-A 5-41902 (JP, U) Japanese Patent Publication No. 55-8362 (JP, B2) Japanese Utility Model Publication No. 59-42243 (JP, Y2) (58) Fields investigated (Int. Cl. 6 , DB name) B60B 21/12 B60C 17 / 04 B60C 17/06
Claims (8)
ード部が配置・係合されるビードシート部およびフラン
ジ部が形成され、前記ウェル部に該ウェル部の外側に突
出するよう設けられて、タイヤの内圧低下時に該タイヤ
のクラウン部を半径方向内側から支持するタイヤ回転半
径維持用の支持台を有するタイヤ組立体用リムにおい
て、 前記支持台は、ウェル部の外側に突設され、外周面にラ
ンフラット走行時にタイヤのクラウン部の内周面に対向
される略平坦に形成された支持面を有する膨出部であ
り、 前記膨出部の外周面に装着され前記クラウン部の内周面
に当接される弾性体を備え、 前記膨出部に弾性体固定用の嵌合溝がリム軸方向に離間
して対向配置され、 前記弾性体には前記嵌合溝に嵌合可能な嵌合突起がリム
軸方向に離間して対向配置されている ことを特徴とする
タイヤ組立体用リム。A bead seat portion and a flange portion on which a bead portion of a tire is arranged and engaged are formed on both side portions in a width direction of the well portion, and are provided on the well portion so as to protrude outside the well portion. In a rim for a tire assembly having a support for maintaining a tire rotation radius for supporting a crown portion of the tire from the radial inside when the internal pressure of the tire is reduced, the support is protruded outside a well portion, A bulging portion having a substantially flat supporting surface facing the inner peripheral surface of the crown portion of the tire during run-flat running on the outer peripheral surface.
And an inner peripheral surface of the crown portion attached to an outer peripheral surface of the bulging portion.
An elastic body that is in contact with the elastic member, and a fitting groove for fixing the elastic body is separated from the bulging portion in the rim axial direction.
The elastic body is provided with a fitting protrusion which can be fitted in the fitting groove.
A rim for a tire assembly, wherein the rim is disposed so as to be spaced apart in the axial direction .
において、前記膨出部の中央部に中空部が設けられ、膨
出部の側部に前記中空部の内外に連通する貫通孔が形成
されていることを特徴とするタイヤ組立体用リム。2. The rim for a tire assembly according to claim 1 , wherein a hollow portion is provided at a central portion of the bulging portion, and a through hole communicating with the inside and outside of the hollow portion is provided at a side portion of the bulging portion. A rim for a tire assembly, wherein the rim is formed.
体用リムにおいて、前記膨出部円周長を数等分に区切る
等分点に、前記嵌合溝をリム軸方向に拡張してなる係合
溝が設けられ、前記弾性体の嵌合突起には前記係合溝と
嵌合可能な形状に形成された係合突起が突設されている
ことを特徴とするタイヤ組立体用リム。3. The rim for a tire assembly according to claim 1 , wherein the fitting groove is expanded in a rim axial direction at an equally dividing point which divides the circumference of the bulging portion into several equal parts. consisting engaging groove is provided, a tire assembly rim on the fitting protrusion of the elastic body characterized in that engagement projections formed on the engagement groove shape to be fitted is projected .
タイヤ組立体用リムにおいて、前記弾性体内に多数の小
孔が穿設されていることを特徴とするタイヤ組立体用リ
ム。4. The rim for a tire assembly according to claim 1 , wherein a number of small holes are formed in the elastic body.
において、前記小孔が弾性体内において網目状構造を構
成していることを特徴とするタイヤ組立体用リム。5. The rim for a tire assembly according to claim 4 , wherein the small holes form a mesh structure in the elastic body.
タイヤ組立体用リムにおいて、前記弾性体は外面がタイ
ヤ内周面に近接してタイヤ内周面に沿った外周面を有す
る形状に形成されていることを特徴とするタイヤ組立体
用リム。6. The rim for a tire assembly according to claim 1 , wherein the elastic body has an outer surface close to the inner circumferential surface of the tire and an outer circumferential surface along the inner circumferential surface of the tire. A rim for a tire assembly, wherein the rim is formed on a rim.
タイヤ組立体用リムにおいて、嵌合突起が複数の分岐突
起を有してなり、嵌合溝が前記分岐突起を互いに分離さ
せて内装する分岐溝を有していることを特徴とするタイ
ヤ組立体用リム。7. The rim for a tire assembly according to claim 1, wherein the fitting protrusion has a plurality of branch protrusions, and the fitting groove separates the branch protrusions from each other. A rim for a tire assembly, having a branch groove for interior.
において、前記膨出部円周長を数等分に区切る等分点, The equidistant point dividing the circumference of the bulging portion into several equal parts
に、前記嵌合溝をリム軸方向に拡張してなる係合溝が設An engagement groove formed by extending the fitting groove in the rim axis direction is provided.
けられ、前記弾性体円周長をリムと同数等分に区切る等And divide the circumference of the elastic body into the same number as the rim.
分点の嵌合突起に前記係合溝と嵌合可能な形状に形成さFormed into a shape that can be fitted to the engagement groove at the fitting protrusion of the equinox
れた係合突起が突設され、前記弾性体内に多数の小孔がEngagement projection is provided, and a number of small holes are formed in the elastic body.
穿設され、前記小孔が弾性体内において網目状構造を構And the small holes form a network structure in the elastic body.
成し、And しかも、前記弾性体は外面がタイヤ内周面に近接してタMoreover, the elastic body has an outer surface close to the inner peripheral surface of the tire, and
イヤ内周面に沿った外周面を有する形状に形成され弾性It is formed into a shape with an outer peripheral surface along the inner peripheral surface of the ear and is elastic
体内の膨出部近傍は、鉄粉等の磁気吸着可能な材料が分Magnetically adsorbable materials, such as iron powder, are located near the bulges in the body.
散混入されてなる磁性部とされ、膨出部も、鉄等の磁気It is a magnetic part that is scattered and mixed, and the swelling part is also magnetic such as iron
吸着可能な材料で形成された磁性部とされていることをThat the magnetic part is made of a material that can be adsorbed
特徴とするタイヤ組立体用リム。A rim for a tire assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7224144A JP2756430B2 (en) | 1994-08-31 | 1995-08-31 | Rim for tire assembly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6-207786 | 1994-08-31 | ||
| JP20778694 | 1994-08-31 | ||
| JP7224144A JP2756430B2 (en) | 1994-08-31 | 1995-08-31 | Rim for tire assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08118903A JPH08118903A (en) | 1996-05-14 |
| JP2756430B2 true JP2756430B2 (en) | 1998-05-25 |
Family
ID=26516474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7224144A Expired - Fee Related JP2756430B2 (en) | 1994-08-31 | 1995-08-31 | Rim for tire assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2756430B2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2802858B1 (en) * | 1999-12-23 | 2002-07-19 | Michelin Soc Tech | DEVICE INTENDED TO BE FIXED AROUND A RIM INCLUDING CENTERING MEANS |
| CN2496688Y (en) * | 2001-11-26 | 2002-06-26 | 刘卫东 | Wheel |
| JP2004074857A (en) * | 2002-08-12 | 2004-03-11 | Yokohama Rubber Co Ltd:The | Tire wheel assembly |
| JP4136802B2 (en) | 2002-09-27 | 2008-08-20 | 株式会社神戸製鋼所 | Manufacturing method of cylindrical ring with bead |
| JP4179860B2 (en) * | 2002-11-29 | 2008-11-12 | 株式会社ブリヂストン | Support manufacturing method and pneumatic run-flat tire |
| NL1028868C2 (en) * | 2004-04-30 | 2006-05-16 | Yueh Nu Chen | Rim with anti-break / anti-shock device for vehicle tires. |
| FR2905631B1 (en) * | 2006-09-12 | 2008-11-28 | Hutchinson Sa | FLAT ROLLING DEVICE FOR MOTOR VEHICLE AND ASSEMBLY MOUNTING INCORPORATING SAME. |
| US20130206304A1 (en) * | 2012-02-14 | 2013-08-15 | II Joseph G. Russell | Run flat tire incorporating identical and bolt interlocking halves with improved inner rim mounting ring with noted and overlapped configuration and further exhibiting a combination non-slip and anti-galvanic composition in contact with the rim |
| CN115257245A (en) * | 2022-06-28 | 2022-11-01 | 中国第一汽车股份有限公司 | Wheel assembly for heavy-duty vehicle model and vehicle with wheel assembly |
| CN115848072A (en) * | 2022-12-19 | 2023-03-28 | 贵州轮胎股份有限公司 | Safety tire assembly for rail transit |
| CN117944400B (en) * | 2024-03-26 | 2024-06-07 | 山东胜阳生活电器有限公司 | Emergency device for automobile tire burst |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558362A (en) * | 1978-07-03 | 1980-01-21 | Nec Corp | Thermocompression bonding method |
| JPS5660705A (en) * | 1979-10-22 | 1981-05-25 | Yokohama Rubber Co Ltd:The | Run-flat tire |
| JPS5942243U (en) * | 1982-09-13 | 1984-03-19 | 吉田 辰男 | tiled frame |
| JPS6015207A (en) * | 1983-06-24 | 1985-01-25 | ザ・グツドイア−・タイヤ・アンド・ラバ−・コンパニ− | Puncture travelling device |
| DE8405217U1 (en) * | 1984-02-21 | 1985-05-30 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | VEHICLE WHEEL |
| CA1253779A (en) * | 1984-06-11 | 1989-05-09 | Robert L. Dobson | Safety support system and method of making |
| GB8506181D0 (en) * | 1985-03-09 | 1985-04-11 | Sp Tyres Uk Ltd | Vehicle wheel |
| GB8516521D0 (en) * | 1985-06-29 | 1985-07-31 | Sp Tyres Uk Ltd | Vehicle wheel |
| JPS6261808A (en) * | 1985-09-10 | 1987-03-18 | ヴアルハラ インヴエスツメンツ リミテツド | Flat preventive tire with reusable core and mounting method thereof |
| JPS63126105U (en) * | 1987-02-13 | 1988-08-17 | ||
| JPS6434303U (en) * | 1987-08-27 | 1989-03-02 | ||
| FR2622149B1 (en) * | 1987-10-26 | 1991-01-25 | Michelin & Cie | RIM FOR TIRE COMPRISING A ROD THAT ALLOWS TO ROLL IN A DEFLATED CONDITION |
| JPH01202501A (en) * | 1988-02-06 | 1989-08-15 | Isao Matsui | Wheel |
| JPH06183226A (en) * | 1992-12-22 | 1994-07-05 | Yokohama Rubber Co Ltd:The | Run flat pneumatic tire |
| DE4303922A1 (en) * | 1993-02-10 | 1994-08-11 | Bayerische Motoren Werke Ag | Run-flat ring for a vehicle wheel |
-
1995
- 1995-08-31 JP JP7224144A patent/JP2756430B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08118903A (en) | 1996-05-14 |
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