JPH0986112A - Wheel acoustic material - Google Patents
Wheel acoustic materialInfo
- Publication number
- JPH0986112A JPH0986112A JP7250938A JP25093895A JPH0986112A JP H0986112 A JPH0986112 A JP H0986112A JP 7250938 A JP7250938 A JP 7250938A JP 25093895 A JP25093895 A JP 25093895A JP H0986112 A JPH0986112 A JP H0986112A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- soft shell
- sound absorbing
- absorbing material
- foam
- 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
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
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車両のホイールの
タイヤ係止用リング溝の底に配設され、ホイールとタイ
ヤの間の空洞内に発生する共鳴音を吸収するホイール吸
音材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel sound absorbing material which is disposed at the bottom of a tire locking ring groove of a vehicle wheel and absorbs a resonance sound generated in a cavity between the wheel and the tire.
【０００２】[0002]
【従来技術】従来より、車両のホイールとタイヤの間の
空洞内に発泡体からなる吸音材を配設すると、その空洞
内に発生する共鳴音を低減できることが知られている。
この吸音材は、ホイールのタイヤ係止用リング溝の底に
巻付けたり、タイヤの内表面に装着したり、あるいはホ
イール中に一体的に組み込んだりして配設されている。2. Description of the Related Art It has been conventionally known that when a sound absorbing material made of foam is provided in a cavity between a wheel of a vehicle and a tire, resonance noise generated in the cavity can be reduced.
This sound absorbing material is provided by being wound around the bottom of the tire locking ring groove of the wheel, being mounted on the inner surface of the tire, or being integrally incorporated in the wheel.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記のよう
な発泡体からなる吸音材は、ホイールの回転時に遠心力
が作用することによって破断が生じやすく、その結果、
部分的に破壊されて飛散するという問題がある。また、
吸音材をホイールのタイヤ係止用リング溝の底に巻付け
て配設した場合には、バール等によりタイヤを取り外す
際にリング溝に差し込まれたバール等によって吸音材が
損傷してしまい、やはり部分的破壊による飛散を招来す
る。However, the sound absorbing material made of foam as described above is apt to break due to centrifugal force when the wheel rotates, and as a result,
There is a problem that it is partially destroyed and scattered. Also,
If the sound absorbing material is wound around the bottom of the wheel locking ring groove of the wheel and disposed, the sound absorbing material will be damaged by the burr etc. inserted in the ring groove when the tire is removed by the burr etc. It causes scattering due to partial destruction.
【０００４】本発明は上記問題に鑑み案出されたもので
あり、発泡体の部分的破壊による飛散を防止し得るよう
にしたホイール吸音材を提供することを解決すべき課題
とするものである。The present invention has been made in view of the above problems, and an object of the present invention is to provide a wheel sound absorbing material capable of preventing the foam from scattering due to partial destruction thereof. .
【０００５】[0005]
【課題を解決するための手段】上記課題を解決する本発
明は、車両のホイールのタイヤ係止用リング溝の底に配
設され、前記ホイールとタイヤの間の空洞内に発生する
共鳴音を吸収するホイール吸音材であって、筒状の軟質
シェルと、該軟質シェルに内包された発泡体と、から構
成されていることを特徴とするものである。DISCLOSURE OF THE INVENTION The present invention for solving the above-mentioned problems provides a resonance sound generated in a cavity between a wheel and a tire, which is disposed at the bottom of a tire locking ring groove of a vehicle wheel. A wheel sound absorbing material for absorbing a wheel, which is characterized in that it is composed of a tubular soft shell and a foam contained in the soft shell.
【０００６】[0006]
【発明の実施の形態】本発明における軟質シェルは、発
泡体を包囲するように筒状に形成され、内包された発泡
体を保護するとともにその飛散を防止するものである。
この軟質シェルは、これに内包される発泡体の吸音作用
への影響を考慮して、例えば織布や不織布、編物からな
る繊維集積体等の多孔質体で構成することができる。好
ましくはポリエステル繊維、ナイロン繊維等からなる編
物で筒状に形成したものである。軟質シェルは、予め所
定の筒形状に形成したものを用いることができるが、シ
ート状の繊維品を筒状に形成したものを用いることがで
きる。例えば、１枚の繊維品を筒状に丸めて、重なり合
う端部どうしを接着剤により接着したり、糸で縫い合わ
せることにより筒状の軟質シェルを形成することができ
る。あるいは、長方形状の２枚の繊維品を重ね合わせ、
長辺側の端部どうしを接着剤により接着したり、糸で縫
い合わせることにより筒状の軟質シェルを形成すること
ができる。BEST MODE FOR CARRYING OUT THE INVENTION The soft shell according to the present invention is formed in a tubular shape so as to surround a foam, protects the foam contained therein, and prevents the foam from scattering.
This soft shell can be made of, for example, a porous body such as a woven fabric, a non-woven fabric, or a fiber aggregate made of a knitted fabric in consideration of the influence of the foam contained therein on the sound absorbing action. It is preferably formed into a tubular shape by a knitted material made of polyester fiber, nylon fiber or the like. As the soft shell, one formed in advance into a predetermined tubular shape can be used, but one formed from a sheet-shaped fiber product into a tubular shape can be used. For example, it is possible to form a tubular soft shell by rolling one fiber product into a tubular shape and adhering the overlapping end portions with each other with an adhesive or by sewing with a thread. Alternatively, stack two rectangular fiber products,
A tubular soft shell can be formed by adhering the ends on the long side to each other with an adhesive or by sewing with a thread.
【０００７】この軟質シェルの両端部には、ホイール吸
音材をタイヤ係止用リング溝に巻き付けて取付ける際
に、その両端部どうしを連結する連結部を設けることが
できる。この連結部は、接着剤や溶着等により接合固定
したり、あるいは連結部どうしを縛り付け等により着脱
自在に係合して連結することができる。さらには、連結
部どうしを連結する種々の連結部材を用いて着脱自在に
連結することができる。At both ends of the soft shell, connecting portions can be provided for connecting both ends of the sound absorbing material when the wheel sound absorbing material is wound around the tire locking ring groove and attached. This connecting portion can be joined and fixed by an adhesive, welding, or the like, or the connecting portions can be detachably engaged and connected by binding each other. Further, various connecting members for connecting the connecting portions can be used to connect them detachably.
【０００８】本発明における発泡体は、ホイールとタイ
ヤの間の空洞内に発生する共鳴音を吸音する主体となる
ものである。この発泡体は、軟質シェル内に挿入して配
置したり、あるいは未発泡の発泡体材料を軟質シェルの
内部で発泡させて形成することにより軟質シェル内に配
置することができる。発泡体を内部発泡で形成すれば、
発泡して膨張する際にその外周表面部が軟質シェルと強
固に固着させることができるので、発泡体と軟質シェル
との接着処理等を必要としなくなる。The foamed material in the present invention mainly serves to absorb the resonance sound generated in the cavity between the wheel and the tire. The foam can be placed in the soft shell by placing it, or it can be placed in the soft shell by foaming an unfoamed foam material inside the soft shell. If the foam is formed by internal foaming,
When the foam expands and expands, its outer peripheral surface can be firmly fixed to the soft shell, so that the adhesion treatment between the foam and the soft shell is not necessary.
【０００９】発泡体を形成する発泡材料としては、例え
ば発泡ゴムや発泡樹脂等を用いることができる。発泡体
の密度は０．０５〜０．３ｇ／ｃｍ3 が好ましく、その
最適密度は０．１ｇ／ｃｍ3 程度である。また、発泡体
の発泡倍率は３〜１３倍とするのが好ましく、最適には
１０倍程度である。As the foam material forming the foam, for example, foam rubber or foam resin can be used. The density of the foam is preferably 0.05 to 0.3 g / cm 3, the optical density is about 0.1 g / cm 3. The expansion ratio of the foam is preferably 3 to 13 times, and optimally about 10 times.
【００１０】[0010]
【作用】本発明のホイール吸音材では、例え発泡体にホ
イールの回転時の遠心力による破断やタイヤ取外し時の
バール等による損傷が発生しても、発泡体は軟質シェル
に内包されているため軟質シェルの外側へ飛散しない。
また、発泡体は軟質シェルに包囲されているので、上記
のような破断や損傷の発生が抑制される。In the wheel sound absorbing material of the present invention, the foam is contained in the soft shell even if the foam is broken by centrifugal force when the wheel is rotated or damaged by a burl when the tire is removed. Does not scatter to the outside of the soft shell.
Further, since the foam is surrounded by the soft shell, the occurrence of breakage and damage as described above is suppressed.
【００１１】[0011]
【実施例】以下、本発明の具体的な実施例を図面に基づ
き説明する。図１は本実施例に係るホイール吸音材の長
手方向に沿って切断した断面図であり、図２は図１のII
−II線に沿って切断した拡大断面図である。本実施例の
ホイール吸音材は、筒状の軟質シェル１と、軟質シェル
１に内包された発泡体２と、軟質シェル１の両端に取付
けられた一組の連結部材３、４とで構成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view taken along the longitudinal direction of the wheel sound absorbing material according to the present embodiment, and FIG. 2 is II of FIG.
FIG. 7 is an enlarged cross-sectional view taken along line II. The wheel sound absorbing material of the present embodiment is composed of a cylindrical soft shell 1, a foam body 2 contained in the soft shell 1, and a pair of connecting members 3 and 4 attached to both ends of the soft shell 1. ing.
【００１２】軟質シェル１は、ポリエステル繊維からな
る編物で筒状に形成されている。この軟質シェル１は、
その中央部分に内包された発泡体２を被覆する被覆部１
１と、被覆部１１の両端に設けられた連結部１２、１３
とを有する。発泡体２は、ＥＰＤＭ（エチレンプロピレ
ンゴム）を主体とする発泡ゴム材料を軟質シェル１内で
加硫及び発泡させることにより形成されている。この発
泡体２は、内部発泡して膨張する際にその外周表面部が
軟質シェル１の被覆部１１に強固に固着し、わずかな内
圧が付与された状態に形成されている。The soft shell 1 is made of a polyester fiber and is formed into a tubular shape. This soft shell 1
A covering portion 1 for covering the foam 2 contained in the central portion thereof
1 and connecting portions 12 and 13 provided at both ends of the covering portion 11.
And The foam 2 is formed by vulcanizing and foaming a foam rubber material mainly composed of EPDM (ethylene propylene rubber) in the soft shell 1. The foam 2 is formed in such a state that the outer peripheral surface portion thereof is firmly fixed to the covering portion 11 of the soft shell 1 when the foam 2 expands internally and expands, and a slight internal pressure is applied.
【００１３】一組の連結部材３、４は、軟質シェル１の
連結部１２、１３に取付けられている。一方の連結部材
３は樹脂によりベルト状に形成され、その後端部が連結
部１２の内部に挟持された状態で超音波溶着することに
より取付けられている。他方の連結部材４は、樹脂によ
りベルト状に形成され、その後端部が連結部１３の内部
に挟持された状態で超音波溶着することにより取付けら
れている。他方の連結部材４の先端部には、連結部材３
の先端部が挿入保持される保持孔４１を有する係合部４
２が一体的に設けられている。保持孔４１の内面には、
挿入された連結部材３の抜け出しを阻止する断面鋸歯状
の抜け止め４３が形成されている。A pair of connecting members 3 and 4 is attached to the connecting portions 12 and 13 of the soft shell 1. One of the connecting members 3 is formed of resin in a belt shape, and is attached by ultrasonic welding with the rear end thereof being sandwiched inside the connecting portion 12. The other connecting member 4 is formed of resin into a belt shape, and is attached by ultrasonic welding while the rear end portion is sandwiched inside the connecting portion 13. The connecting member 3 is attached to the tip of the other connecting member 4.
Engaging portion 4 having a holding hole 41 into which the tip of the
2 are provided integrally. On the inner surface of the holding hole 41,
A retainer 43 having a serrated cross section is formed to prevent the inserted connecting member 3 from coming off.
【００１４】以上のように構成された本実施例のホイー
ル吸音材は次のようにして製造される。先ず、発泡体２
の材料として、ＥＰＤＭ１００phr 、補強剤５phr 、充
填剤７５phr 、軟化剤３０phr 、可塑剤２０phr 、滑剤
３phr 、活性剤１２phr 、発泡剤１５phr 、発泡助剤３
phr 、加硫促進剤５phr 、硫黄１．５phr 等を配合して
未加硫、未発泡の発泡ゴム材料を準備する。そして、こ
の発泡ゴム材料を押出機に投入して押出成形を行うこと
により、所定の大きさのテープ状に形成する。The wheel sound absorbing material of this embodiment constructed as described above is manufactured as follows. First, foam 2
As the material of EPDM, 100 phr of EPDM, 5 phr of reinforcing agent, 75 phr of filler, 30 phr of plasticizer, 20 phr of plasticizer, 3 phr of activator, 12 phr of foaming agent, 15 phr of foaming agent, 3 aid of foaming agent.
An unvulcanized and unfoamed foamed rubber material is prepared by blending phr, a vulcanization accelerator 5 phr, sulfur 1.5 phr and the like. Then, the foamed rubber material is put into an extruder and extrusion-molded to form a tape having a predetermined size.
【００１５】次に、そのテープ状の発泡ゴム材料を所定
の大きさの筒状に形成した軟質シェル１内に挿入し、こ
れをオーブン中にて１６０℃で２０分間加熱して発泡ゴ
ム材料の加硫及び発泡処理を行う。これにより、発泡ゴ
ム材料が加硫及び発泡して軟質シェル１の被覆部１１の
内面に強固に固着した発泡体２が形成される。なお、こ
の発泡処理は自由発泡であり、形成される発泡体１３の
密度は約０．１ｇ／ｃｍ3 で、その発泡倍率は約１０倍
である。Next, the tape-shaped foamed rubber material is inserted into a soft shell 1 formed into a tubular shape having a predetermined size, and this is heated in an oven at 160 ° C. for 20 minutes to prepare the foamed rubber material. Vulcanize and foam. As a result, the foamed rubber material is vulcanized and foamed to form the foamed body 2 firmly fixed to the inner surface of the covering portion 11 of the soft shell 1. This foaming treatment is free foaming, and the density of the foam 13 formed is about 0.1 g / cm 3 , and the expansion ratio is about 10 times.
【００１６】なお、発泡ゴム材料を加硫及び発泡処理し
て形成した発泡体２を軟質シェル１内に挿入するように
してもよい。その後、軟質シェル１の両端部に形成され
た連結部１２、１３の中にそれぞれ連結部材３、４の一
端部を挿入し、その連結部１２、１３を連結部材３、４
とともに超音波溶着にて溶着することにより封止する。
これにより、発泡体２が軟質シェル１の被覆部１１内に
封入された状態となり、図１及び図２に示すような本実
施例のホイール吸音材が完成する。The foam 2 formed by vulcanizing and foaming a foam rubber material may be inserted into the soft shell 1. After that, one ends of the connecting members 3 and 4 are inserted into the connecting portions 12 and 13 formed at both ends of the soft shell 1, and the connecting portions 12 and 13 are connected to the connecting members 3 and 4, respectively.
At the same time, it is sealed by welding by ultrasonic welding.
As a result, the foam 2 is enclosed in the covering portion 11 of the soft shell 1, and the wheel sound absorbing material of this embodiment as shown in FIGS. 1 and 2 is completed.
【００１７】以上のように製造されたホイール吸音材
は、図３〜図５に示すように、車両のホイール５のタイ
ヤ係止用リング溝５１の底に配設されて使用に供され
る。この場合、ホイール吸音材をタイヤ係止用リング溝
５１に沿って巻回し、その両端に設けられた連結部材
３、４どうしを係合して連結固定することにより簡単に
取付けられる。As shown in FIGS. 3 to 5, the wheel sound absorbing material manufactured as described above is arranged at the bottom of the tire locking ring groove 51 of the wheel 5 of the vehicle for use. In this case, the wheel sound absorbing material is wound along the tire locking ring groove 51, and the connecting members 3 and 4 provided at both ends thereof are engaged and fixedly connected to each other, whereby the wheel sound absorbing material is easily attached.
【００１８】このようにして配設されたホイール吸音材
は、車両の走行に伴ってホイール５とタイヤ６の間の空
洞内に発生する共鳴音を主として発泡体２が効果的に吸
音して共鳴音を低減する。そして、本実施例のホイール
吸音材は、ホイール５の回転により遠心力が発生して
も、発泡体２が軟質シェル１に包囲されかつ強固に固着
しているので、発泡体２に破断等の部分破壊が発生する
ことは極めて少ない。また、例え部分破壊が発生して
も、発泡体２は軟質シェル１の外側へ飛散しない。The wheel sound-absorbing material arranged in this manner resonates with the foam 2 effectively absorbing the resonance sound generated in the cavity between the wheel 5 and the tire 6 as the vehicle travels. Reduce sound. Further, in the wheel sound absorbing material of the present embodiment, even if centrifugal force is generated by the rotation of the wheel 5, the foam 2 is surrounded by the soft shell 1 and firmly adhered thereto, so that the foam 2 is not broken. Very little partial destruction occurs. Further, even if partial breakage occurs, the foam 2 does not scatter to the outside of the soft shell 1.
【００１９】また、ホイール５に装着されたタイヤ６を
取り外す際に、タイヤ係止用リング溝５１に差し込まれ
たバール等がホイール吸音材に当接しても、軟質シェル
１に内包された発泡体２には損傷が発生しにくく、例え
損傷等の部分破壊が発生しても軟質シェル１の外側へ飛
散しない。以上のように、本実施例のホイール吸音材
は、発泡体２が軟質シェル１に内包されているため、発
泡体２に遠心力の作用による破断やバール等の接触によ
る損傷が発生するのを抑制することができ、例え発泡体
２に破断や損傷が発生しても、発泡体２の部分的破壊に
よる飛散を防止することができる。Further, when the tire 6 mounted on the wheel 5 is removed, even if the burr or the like inserted into the tire locking ring groove 51 comes into contact with the wheel sound absorbing material, the foam contained in the soft shell 1 2 is not easily damaged, and does not scatter to the outside of the soft shell 1 even if partial damage such as damage occurs. As described above, in the wheel sound absorbing material of the present embodiment, since the foam 2 is enclosed in the soft shell 1, the foam 2 is prevented from being broken by the action of the centrifugal force or being damaged by the contact of burls or the like. Even if the foam body 2 is broken or damaged, it is possible to prevent the foam body 2 from scattering due to partial breakage.
【００２０】この場合、軟質シェル１の両端部の連結部
１２、１３が超音波溶着により封止され、発泡体２が被
覆部１１に完全に覆われた状態で封入されているため、
発泡体２の飛散防止が確実となる。また、軟質シェル１
は、適度な伸縮性を有する編物よりなるため、取付け時
等における取扱いが容易であり、かつ大幅な重量の増大
化やコストの増大化を回避することができる。In this case, since the connecting portions 12 and 13 at both ends of the soft shell 1 are sealed by ultrasonic welding and the foam body 2 is completely covered with the covering portion 11, it is enclosed.
The scattering of the foam 2 is prevented reliably. Also, soft shell 1
Since it is made of a knitted fabric having an appropriate elasticity, it is easy to handle at the time of attachment and the like, and it is possible to avoid a significant increase in weight and cost.
【００２１】さらに、発泡体２が、軟質シェル１の内部
で発泡させることにより形成されている場合には、発泡
体２の形成と同時に軟質シェル１と強固に固着されるの
で接着処理を必要とせず、製造を簡単に行うことがで
き、コストの低減化も図ることができる。また、本実施
例のホイール吸音材は、軟質シェル１の連結部１２、１
３に取付けた連結部材３、４を介して連結部１２、１３
どうしの連結を行うように構成されているため、ホイー
ル５のタイヤ係止用リング溝５１への取付けや交換を簡
単に行うことができる。Further, when the foam 2 is formed by foaming inside the soft shell 1, since the foam 2 is firmly fixed to the soft shell 1 at the same time when the foam 2 is formed, an adhesive treatment is required. Therefore, the manufacturing can be performed easily and the cost can be reduced. In addition, the wheel sound absorbing material of this embodiment includes the connecting portions 12 and 1 of the soft shell 1.
Connection parts 12 and 13 via connection members 3 and 4 attached to
Since the wheels 5 are configured to be connected to each other, the wheel 5 can be easily attached to or replaced with the tire locking ring groove 51.
【００２２】なお、この連結部１２、１３どうしの連結
は、上記実施例の構成の他に種々変更することができ、
以下その具体例を説明する。図６及び図７に示す連結部
材３ｂは、軟質シェル１ｂの両連結部１２ｂ、１３ｂを
重合させた状態で挟持する樹脂製のクリップである。こ
の連結部材３ｂは、一面に複数の山形状の歯部３１ｂを
もつ基板３２ｂと、基板３２ｂの一端に折り畳み可能に
連結され、歯部３１ｂと重合されたときに係合する係合
部３３ｂをもつ挟持板３４ｂとからなる。The connection between the connecting portions 12 and 13 can be variously changed in addition to the configuration of the above embodiment.
A specific example will be described below. The connecting member 3b shown in FIG. 6 and FIG. 7 is a resin clip that holds both connecting portions 12b and 13b of the soft shell 1b in a superposed state. The connecting member 3b includes a base plate 32b having a plurality of mountain-shaped teeth 31b on one surface, and an engaging part 33b that is foldably connected to one end of the base 32b and is engaged with the teeth 31b when overlapped. And a holding plate 34b.
【００２３】図８〜図１０に示す連結部材３ｃは、樹脂
によりブロック状に形成されており、紐状に捩じられた
状態で挿入される軟質シェル１ｃの各連結部１２ｃ、１
３ｃをそれぞれ保持する一対の保持孔３１ｃ、３１ｃを
有するものである。この一対の保持孔３１ｃ、３１ｃの
内周面には、挿入された各連結部１２ｃ、１３ｃの抜け
出しを阻止する断面鋸歯状の抜け止め３２ｃが形成され
ている。The connecting member 3c shown in FIGS. 8 to 10 is made of resin in a block shape, and each connecting portion 12c, 1 of the soft shell 1c inserted in a twisted state like a cord.
3c has a pair of holding holes 31c and 31c, respectively. On the inner peripheral surfaces of the pair of holding holes 31c, 31c, there is formed a retainer 32c having a serrated cross section for preventing the inserted connecting portions 12c, 13c from coming off.
【００２４】図１１及び図１２に示す連結部材は、軟質
シェル１ｄの各連結部１２ｄ、１３ｄにそれぞれ縫い付
けられたボタン３ｄ、３ｄと、両ボタン３ｄ、３ｄが着
脱自在に係止される係止部４１ｄを有する樹脂製のフッ
ク板４ｄとからなる。この連結部材は、軟質シェル１ｄ
の両連結部１２ｄ、１３ｄを引張り、各ボタン３ｄ、３
ｄをフック板４ｄの係止部４１ｄに係止させることによ
り連結され、これにより両連結部１２ｄ、１３ｄが着脱
自在に連結される。The coupling members shown in FIGS. 11 and 12 are buttons 3d and 3d sewn to the coupling portions 12d and 13d of the soft shell 1d, and the buttons 3d and 3d are detachably engaged. And a hook plate 4d made of resin having a stop portion 41d. This connecting member is a soft shell 1d.
Both connection parts 12d and 13d are pulled, and each button 3d and 3d
The d is connected to the hook 41d of the hook plate 4d so that the hooks 4d are connected to each other, whereby the connecting portions 12d and 13d are detachably connected.
【００２５】図１３及び図１４に示す連結部材は、軟質
シェル１ｅの両連結部１２ｅ、１３ｅにそれぞれ超音波
溶着により取付けられ先端に略直角に屈曲された係合部
３１ｅ、３１ｅをもつ金属板よりなる一対の係合金具３
ｅ、３ｅと、その中央部に両係合部３１ｅ、３１ｅがか
しめにより係合される係合窓４１ｅをもつ金属や樹脂等
からなるフック板４ｅとで構成されている。この連結部
材は、軟質シェル１ｅの両連結部１２ｅ、１３ｅを引張
り、各係合部３１ｅ、３１ｅをフック板４ｅの係合窓４
１ｅに係止させた後、各係合部３１ｅ、３１ｅをかしめ
ることにより連結され、これにより両連結部１２ｅ、１
３ｅが着脱自在に連結される。The connecting member shown in FIGS. 13 and 14 is a metal plate having engaging portions 31e and 31e, which are attached to both connecting portions 12e and 13e of the soft shell 1e by ultrasonic welding and are bent at a substantially right angle at the tips. A pair of metal fittings 3
e and 3e and a hook plate 4e made of metal, resin, or the like having an engaging window 41e with which both engaging portions 31e and 31e are engaged by caulking. This connecting member pulls both connecting portions 12e and 13e of the soft shell 1e to connect the engaging portions 31e and 31e to the engaging window 4 of the hook plate 4e.
After being locked to 1e, they are connected by caulking the respective engaging portions 31e, 31e, whereby both connecting portions 12e, 1e are connected.
3e is detachably connected.
【００２６】図１５及び図１６に示す連結部材は、両端
に差し込み穴３１ｆ、３１ｆをもつ第１係合板３ｆと、
第１係合板３ｆと略同じ大きさの金属板からなり、差し
込み穴３１ｆと対応する部分に金属板の一部を切り起こ
して形成された鋭角状の先端をもつ一対の係合爪４１
ｆ、４１ｆをもつ第２係合板４ｆとで構成されている。
この連結部材は、軟質シェル１ｆの両連結部１２ｆ、１
３ｆを引き寄せた状態で、両連結部１２ｆ、１３ｆにそ
れぞれ第２係合板４ｆの係合爪４１ｆを挿通させるとと
もに、第１係合板３ｆの差し込み穴３１ｆに挿通した係
合爪４１ｆを折り曲げることにより係合され、これによ
り両連結部１２ｆ、１３ｆが着脱自在に連結される。The connecting member shown in FIGS. 15 and 16 has a first engaging plate 3f having insertion holes 31f and 31f at both ends.
A pair of engagement claws 41 made of a metal plate having substantially the same size as the first engagement plate 3f and having sharp-edged tips formed by cutting and raising a part of the metal plate at a portion corresponding to the insertion hole 31f.
and a second engagement plate 4f having f and 41f.
This connecting member includes both connecting portions 12f, 1 of the soft shell 1f.
By pulling the engaging claw 41f of the second engaging plate 4f through the connecting portions 12f and 13f while bending the engaging claw 41f of the first engaging plate 3f, the engaging claw 41f is bent. The two connecting portions 12f and 13f are detachably connected by being engaged with each other.
【００２７】図１７及び図１８に示す連結部材３ｇは、
金属板や樹脂板よりなるものであって、その長手方向に
沿って５個の第１〜第５係止穴３１ｇ〜３５ｇが形成さ
れている。軟質シェル１ｇの一方の連結部１２ｇは、第
１係止穴３１ｇから第２係止穴３２ｇを経て第３係止穴
３３ｇまで蛇行させた状態で挿入することにより連結部
材３ｇに係止されるとともに、他方の連結部１３ｇは、
第５係止穴３５ｇから第４係止穴３４ｇを経て第３係止
穴３３ｇまで蛇行させた状態で挿入することにより連結
部材３ｇに係止される。The connecting member 3g shown in FIGS. 17 and 18 is
It is made of a metal plate or a resin plate, and five first to fifth locking holes 31g to 35g are formed along the longitudinal direction thereof. One of the connecting portions 12g of the soft shell 1g is locked in the connecting member 3g by being inserted in a state of meandering from the first locking hole 31g to the second locking hole 32g to the third locking hole 33g. At the same time, the other connecting portion 13g is
The fifth locking hole 35g, the fourth locking hole 34g, and the third locking hole 33g are inserted into the connecting member 3g in a meandering manner.
【００２８】図１９及び図２０に示す連結部材３ｈは、
一対の長辺部と一対の短辺部とからなる四角形状の枠体
３１ｈと、枠体３１ｈの長辺部に両端が摺動自在に保持
された２個のスライドピン３２ｈ、３３ｈとで構成され
ている。この連結部材３ｈは、２個のスライドピン３２
ｈ、３３ｈの間に挿入した軟質シェル１ｈの両方の連結
部１２ｈ、１３ｈをそれぞれＵターンするようにスライ
ドピン３２ｈ、３３ｈと各短辺部との間を通して引張る
ことにより、各連結部１２ｈ、１３ｈをスライドピン３
２ｈ、３３ｈと各短辺部とで挟持するように構成されて
いる。The connecting member 3h shown in FIGS. 19 and 20 is
It is composed of a quadrangular frame body 31h consisting of a pair of long side portions and a pair of short side portions, and two slide pins 32h and 33h whose both ends are slidably held by the long side portion of the frame body 31h. Has been done. This connecting member 3h includes two slide pins 32.
The connecting portions 12h and 13h of the soft shell 1h inserted between the h and 33h are pulled through between the slide pins 32h and 33h and the short side portions so as to make a U-turn, respectively. Slide pin 3
It is configured to be sandwiched between 2h and 33h and each short side portion.
【００２９】図２１及び図２２に示す連結部材３ｉは、
金属や樹脂により四角形の環状に形成されたものであ
る。この連結部材３ｉは、軟質シェル１ｉの一方の連結
部１２ｉを連結部材３ｉの角穴内に挿通して折返した先
端部分を連結部１２ｉの後端部分に溶着することによ
り、一方の連結部１２ｉに予め取付けられている。そし
て、ホイール吸音材を取付ける際に、他方の連結部１３
ｉを連結部材３ｉの角穴内に挿通して引張り、折返した
先端部分を超音波溶着機４ｉ等により後端部分に溶着す
ることにより、両連結部１２ｉ、１３ｉどうしが連結部
材３ｉを介して連結される。The connecting member 3i shown in FIGS. 21 and 22 is
It is formed in a quadrangular ring shape from metal or resin. The connecting member 3i is attached to the one connecting portion 12i by welding the one end of the connecting portion 12i of the soft shell 1i into the square hole of the connecting member 3i and folding the leading end portion to the rear end portion of the connecting portion 12i. Pre-installed. When installing the wheel sound absorbing material, the other connecting portion 13
i is inserted into the square hole of the connecting member 3i and pulled, and the folded front end portion is welded to the rear end portion by the ultrasonic welding machine 4i or the like, whereby the connecting portions 12i and 13i are connected to each other via the connecting member 3i. To be done.
【００３０】図２３及び図２４に示す連結部材３ｊは、
ホイール吸音材を装着するタイヤ係止用リング溝５１の
底部に溶接等により固定されたピンで構成されており、
軟質シェル１ｊの両連結部１２ｊ、１３ｊを連結部材３
ｊに縛り付けることにより、両者が連結される。なお、
使用条件によっては、この連結部材３ｊを用いることな
く、両連結部１２ｊ、１３ｊどうしを直接縛り付けるこ
とも可能である。The connecting member 3j shown in FIGS. 23 and 24 is
It is composed of a pin fixed by welding or the like to the bottom of the tire locking ring groove 51 for mounting the wheel sound absorbing material,
Connect both connecting portions 12j and 13j of the soft shell 1j to the connecting member 3
By binding to j, both are connected. In addition,
Depending on the usage conditions, it is possible to directly bind the connecting portions 12j and 13j together without using the connecting member 3j.
【００３１】図２５及び図２６に示す連結部材３ｋは、
軟質シェル１ｋの両連結部１２ｋ、１３ｋを着脱不能に
接合する未加硫ゴムであって、重合される両連結部１２
ｋ、１３ｋの間に介在させた状態で加熱して加硫、圧着
することにより取付けられる。なお、この連結部材３ｋ
としての未加硫ゴムに代わり、熱硬化性軟質樹脂や熱硬
化性接着剤を用いることもできる。The connecting member 3k shown in FIGS. 25 and 26 is
An unvulcanized rubber that non-detachably joins both connecting portions 12k and 13k of the soft shell 1k, and both connecting portions 12 to be polymerized
It is attached by heating, vulcanizing, and pressure-bonding in a state of being interposed between k and 13k. In addition, this connecting member 3k
Instead of the unvulcanized rubber, a thermosetting soft resin or a thermosetting adhesive can be used.
【００３２】[0032]
【発明の効果】本発明のホイール吸音材によれば、筒状
の軟質シェルと、該軟質シェルに内包された発泡体とか
ら構成されているため、例え発泡体にホイールの回転時
の遠心力により破断が発生したり、タイヤ取外し時のバ
ール等の接触により損傷が発生しても、発泡体の部分的
破壊による飛散を防止することができる。かつ、発泡体
は軟質シェルに内包されているため、上記のような破断
や損傷の発生を低減することができる。According to the wheel sound absorbing material of the present invention, since it is composed of a cylindrical soft shell and a foam material enclosed in the soft shell, for example, the foam material has a centrifugal force when the wheel rotates. Therefore, even if breakage occurs or damage occurs due to contact with a burl or the like when the tire is removed, it is possible to prevent the foam from scattering due to partial destruction. In addition, since the foam is contained in the soft shell, it is possible to reduce the occurrence of breakage and damage as described above.
【図１】本発明の実施例に係るホイール吸音材の長手方
向に沿って切断した断面図である。FIG. 1 is a cross-sectional view taken along a longitudinal direction of a wheel sound absorbing material according to an embodiment of the present invention.
【図２】図１のII−II線に沿って切断した拡大断面図で
ある。FIG. 2 is an enlarged cross-sectional view taken along the line II-II of FIG.
【図３】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を示す断面図であ
る。FIG. 3 is a cross-sectional view showing a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire locking ring groove of the wheel.
【図４】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を一部断面で示す
斜視図である。FIG. 4 is a perspective view showing, in a partial cross section, a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire locking ring groove of the wheel.
【図５】本発明の実施例のホイール吸音材をホイールの
タイヤ係止用リング溝に装着した状態を示す図４のＶ−
Ｖ線に沿う断面図である。FIG. 5 is a V- of FIG. 4 showing a state in which the wheel sound absorbing material of the embodiment of the present invention is mounted in the tire engaging ring groove of the wheel.
It is sectional drawing which follows the V line.
【図６】本発明の変形例に係る連結部材の連結前の状態
を示す斜視図である。FIG. 6 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図７】本発明の変形例に係る連結部材の連結状態を示
す斜視図である。FIG. 7 is a perspective view showing a connected state of a connecting member according to a modified example of the present invention.
【図８】本発明の変形例に係る連結部材の連結前の状態
を示す斜視図である。FIG. 8 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図９】本発明の変形例に係る連結部材の連結状態を示
す斜視図である。FIG. 9 is a perspective view showing a connected state of a connecting member according to a modified example of the present invention.
【図１０】本発明の変形例に係る連結部材の連結状態を
示す断面図である。FIG. 10 is a cross-sectional view showing a connected state of a connecting member according to a modified example of the present invention.
【図１１】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 11 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図１２】本発明の変形例に係る連結部材の連結状態を
示す斜視図である。FIG. 12 is a perspective view showing a connected state of a connecting member according to a modified example of the present invention.
【図１３】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 13 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図１４】本発明の変形例に係る連結部材の連結状態を
示す斜視図である。FIG. 14 is a perspective view showing a connected state of a connecting member according to a modified example of the present invention.
【図１５】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 15 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図１６】本発明の変形例に係る連結部材の連結状態を
示す斜視図である。FIG. 16 is a perspective view showing a connected state of a connecting member according to a modified example of the present invention.
【図１７】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 17 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図１８】本発明の変形例に係る連結部材の連結状態を
示す側面図である。FIG. 18 is a side view showing a connected state of a connecting member according to a modified example of the present invention.
【図１９】本発明の変形例に係る連結部材の平面図であ
る。FIG. 19 is a plan view of a connecting member according to a modified example of the present invention.
【図２０】本発明の変形例に係る連結部材の連結状態を
示す側面図である。FIG. 20 is a side view showing a connected state of a connecting member according to a modification of the present invention.
【図２１】本発明の変形例に係る連結部材の連結する状
態を示す断面図である。FIG. 21 is a cross-sectional view showing a connected state of a connecting member according to a modified example of the present invention.
【図２２】本発明の変形例に係る連結部材の連結状態を
示す平面図である。FIG. 22 is a plan view showing a connected state of a connecting member according to a modified example of the present invention.
【図２３】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 23 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図２４】本発明の変形例に係る連結部材の連結状態を
示す側面図である。FIG. 24 is a side view showing a connected state of a connecting member according to a modification of the present invention.
【図２５】本発明の変形例に係る連結部材の連結前の状
態を示す斜視図である。FIG. 25 is a perspective view showing a state before connection of a connecting member according to a modified example of the present invention.
【図２６】本発明の変形例に係る連結部材の連結状態を
示す側面図である。FIG. 26 is a side view showing a connected state of a connecting member according to a modification of the present invention.
１、１ａ〜１ｋ…軟質シェル １１…被覆部 １２、１２ａ〜１２ｋ、１３、１３ａ〜１３ｋ…連結部 ２…発泡体 ３、３ｂ〜３ｃ、３ｇ〜３ｋ、４…連結
部材 ３ｄ…ボタン ３ｅ…係合金具 ３ｆ…第１係合板 ４ｄ、４ｅ…フック板 ４ｆ…第２係合板 ４１…
保持孔 ４２…係合部 ４３…抜け止め ５…ホイール ５１…タイヤ係止用リング溝 ６…タイヤ1, 1a-1k ... Soft shell 11 ... Covering part 12, 12a-12k, 13, 13a-13k ... Connecting part 2 ... Foam 3, 3b-3c, 3g-3k, 4 ... Connecting member 3d ... Button 3e ... Engagement Metal fitting 3f ... 1st engaging plate 4d, 4e ... Hook plate 4f ... 2nd engaging plate 41 ...
Retaining hole 42 ... Engaging portion 43 ... Retaining prevention 5 ... Wheel 51 ... Tire locking ring groove 6 ... Tire
Claims (7)
の底に配設され、前記ホイールとタイヤの間の空洞内に
発生する共鳴音を吸収するホイール吸音材であって、 筒状の軟質シェルと、該軟質シェルに内包された発泡体
と、から構成されていることを特徴とするホイール吸音
材。1. A wheel sound absorbing material, which is arranged at the bottom of a tire locking ring groove of a vehicle wheel and absorbs a resonance sound generated in a cavity between the wheel and the tire, the tubular soft material. A wheel sound absorbing material comprising a shell and a foamed body enclosed in the soft shell.
項１記載のホイール吸音材。2. The wheel sound absorbing material according to claim 1, wherein the soft shell is made of a porous material.
編物である請求項２記載のホイール吸音材。3. The wheel sound absorbing material according to claim 2, wherein the porous body is a knitted fabric formed by knitting fibers.
どうしを連結する連結部を有する請求項１乃至請求項３
記載のホイール吸音材。4. The soft shell has connecting portions at both end portions for connecting the both end portions to each other.
Wheel sound absorbing material described.
に連結されている請求項４記載のホイール吸音材。5. The wheel sound absorbing material according to claim 4, wherein the connecting portion is detachably connected via a connecting member.
泡することにより形成されている請求項１記載のホイー
ル吸音材。6. The wheel sound absorbing material according to claim 1, wherein the foamed body is formed by foaming inside the soft shell.
る請求項１記載のホイール吸音材。7. The wheel sound absorbing material according to claim 1, wherein the foaming ratio of the foam is 3 to 13 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7250938A JPH0986112A (en) | 1995-09-28 | 1995-09-28 | Wheel acoustic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7250938A JPH0986112A (en) | 1995-09-28 | 1995-09-28 | Wheel acoustic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0986112A true JPH0986112A (en) | 1997-03-31 |
Family
ID=17215252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7250938A Pending JPH0986112A (en) | 1995-09-28 | 1995-09-28 | Wheel acoustic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0986112A (en) |
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| JP2006264406A (en) * | 2005-03-22 | 2006-10-05 | Yokohama Rubber Co Ltd:The | Noise reduction device, its manufacturing method and pneumatic tire furnished therewith |
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-
1995
- 1995-09-28 JP JP7250938A patent/JPH0986112A/en active Pending
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| JP4628834B2 (en) * | 2005-03-22 | 2011-02-09 | 横浜ゴム株式会社 | Noise reduction device, manufacturing method thereof, and pneumatic tire provided with noise reduction device |
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| WO2023112434A1 (en) * | 2021-12-13 | 2023-06-22 | 株式会社ブリヂストン | Sound-absorbing tool and assembly |
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