JP4325798B2 - Tubeless tire rim assembly aid - Google Patents

Tubeless tire rim assembly aid Download PDF

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Publication number
JP4325798B2
JP4325798B2 JP2004181450A JP2004181450A JP4325798B2 JP 4325798 B2 JP4325798 B2 JP 4325798B2 JP 2004181450 A JP2004181450 A JP 2004181450A JP 2004181450 A JP2004181450 A JP 2004181450A JP 4325798 B2 JP4325798 B2 JP 4325798B2
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tubular body
locking
rim
tubeless tire
compressed air
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JP2006001470A (en
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直之 桂
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Yokohama Rubber Co Ltd
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Yokohama Rubber Co Ltd
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Description

本発明はチューブレスタイヤのリム組み補助具に関し、さらに詳しくは、一つの補助具だけで多くの異なるサイズのリムへの使用を可能にしたチューブレスタイヤのリム組み補助具に関する。   The present invention relates to a rim assembly aid for tubeless tires, and more particularly to a rim assembly aid for tubeless tires that can be used for many different rim sizes with only one assist device.

一般に、チューブレスタイヤのリム組み操作は、空気入りタイヤの一方のビード部をリムの一方のリムフランジ側に嵌め込むと共に、他方のビード部をウェル部に落し込み、その状態でタイヤ内部に圧縮空気を充填しながら、ウェル部に落し込んだ側のビード部を他方のリムフランジ側へ徐々に移動させるようにして行う。この際、ビード部とリムフランジとの隙間から漏れ出す圧縮空気が多量になると、リム組み操作が円滑に行えなくなるという問題がある。   In general, the rim assembly operation of a tubeless tire is performed by fitting one bead portion of a pneumatic tire to one rim flange side of the rim and dropping the other bead portion into a well portion, and in that state compressed air inside the tire. The bead portion that has been dropped into the well portion is gradually moved toward the other rim flange side while filling. At this time, if a large amount of compressed air leaks from the gap between the bead portion and the rim flange, there is a problem that the rim assembly operation cannot be performed smoothly.

一方、工場から出荷されたタイヤは、通常倉庫等でサイドウォール部を水平方向にして積み重ねられて一時保管されることが多い。このように積み重ねられたタイヤの重量は、上方側から下方側のタイヤに向かって順次加算されて負荷されるため、下方側のタイヤはサイドウォール部が軸方向に大きな圧縮変形を受けることになる。そのため、保管状態から開放されたタイヤは、ゴムのクリープ現象によって、左右のビード部のヒール間隔が狭くなった状態から元の形状に復元できなくなり、リム組みするときビード部とリムフランジとの隙間が過大になり、エアの充填が困難になるという問題がある。   On the other hand, tires shipped from a factory are often stacked and temporarily stored in a normal warehouse or the like with the sidewall portions in the horizontal direction. Since the weight of the tires stacked in this way is added and loaded sequentially from the upper side toward the lower side tire, the side wall portion of the tire on the lower side is subjected to large compression deformation in the axial direction. . For this reason, tires released from storage cannot be restored to their original shape due to the creep phenomenon of rubber because the heel distance between the left and right bead portions is reduced, and the gap between the bead portion and the rim flange when assembling the rim. Is excessive, and there is a problem that air filling becomes difficult.

このような問題の対策として、インフレート時の空気漏れを防ぐために、タイヤとリムフランジとの隙間を円環状チューブからなるインフレート補助具でシールしたり(特許文献1参照)、タイヤとリムフランジとの間に平型ベルト状リングからなるインフレート補助具を挟んだり(特許文献2参照)する提案がある。しかしながら、これらの提案は何れもリムのサイズ毎にインフレート補助具を多種類にわたり用意しておく必要があり、保管スペースの面からその利用が敬遠され、あまり普及していないのが現状である。そのため、保管を簡単にするという観点から改善の余地を残していた。
実開昭59−93903号公報 特開平4−345507号公報
As measures against such problems, in order to prevent air leakage during inflation, the gap between the tire and the rim flange is sealed with an inflation aid made of an annular tube (see Patent Document 1), or the tire and the rim flange. There is a proposal of sandwiching an inflation aid made of a flat belt ring (see Patent Document 2). However, all of these proposals require that a wide variety of inflation aids be prepared for each rim size, and their use is avoided from the standpoint of storage space, and the current situation is that they are not widely used. . Therefore, there was room for improvement from the viewpoint of easy storage.
Japanese Utility Model Publication No. 59-93903 JP-A-4-345507

本発明の目的は、かかる問題点を解消し、一つの補助具だけで多くの異なるサイズのリムへの使用を可能にしたチューブレスタイヤのリム組み補助具を提供することにある。   An object of the present invention is to provide a rim assembly aid for a tubeless tire that eliminates such problems and enables use on a rim of many different sizes with only one aid.

上記目的を達成するための本発明のチューブレスタイヤのリム組み補助具は、管体の長手方向に沿って複数の噴射孔を設けた可撓性の管状体からなり、該管状体の一方の端部を封止すると共に、他方の端部を圧縮空気源に連結可能にし、前記封止側端部に半割り管状の係止部をもつ係止手段を固定し、該半割り管状の係止部に前記管状体の中間部を長手方向の任意の箇所で着脱可能に嵌合するように係止可能にして、係止時において該係止箇所から前記封止側端部までの管体領域が環状になるように構成し、かつ前記圧縮空気源に対する連結部から前記係止手段に係止する箇所までの管体領域に、前記噴射孔を封止する封止部材を付設したことを特徴とする。 To achieve the above object, a tubeless tire rim assembly aid of the present invention comprises a flexible tubular body provided with a plurality of injection holes along the longitudinal direction of the tubular body, and one end of the tubular body. The other end portion can be connected to a compressed air source, and a locking means having a half-pipe-shaped lock portion is fixed to the end portion on the sealing side, and the half-tube lock the intermediate portion of the tubular body part to permit locking to removably fit anywhere in the longitudinal direction, the tubular body from the locking position during the locking up the seal-side end portion The area is configured to be annular , and a sealing member for sealing the injection hole is attached to the tubular body area from the connecting portion to the compressed air source to the position where the area is locked to the locking means. Features.

本発明のチューブレスタイヤのリム組み補助具は、長手方向に複数の噴射孔を形成した可撓性の管状体を、その端部に固定した係止部材に対して中間部を着脱自在に係止するようにし、しかもその係止箇所を任意に変えられるようにしたので、その係止箇所に応じて環状形成部の大きさを種々に変えることができ、そのため1個のリム組み補助具だけで多くのサイズの異なるリムへの使用を可能にすることができる。   The tubeless tire rim assembling tool of the present invention has a flexible tubular body in which a plurality of injection holes are formed in the longitudinal direction, and an intermediate portion is detachably locked to a locking member fixed to an end portion thereof. In addition, since the locking portion can be arbitrarily changed, the size of the annular forming portion can be variously changed according to the locking portion, so that only one rim assembly aid can be used. Can be used on many different rim sizes.

以下、本発明の構成につき添付の図面を参照しながら詳細に説明する。   Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

図1は本発明の実施形態によるチューブレスタイヤのリム組み補助具を示す下面図である。   FIG. 1 is a bottom view showing a rim assembly aid for a tubeless tire according to an embodiment of the present invention.

図1において、リム組み補助具1は管体の長手方向に沿って複数の噴射孔2を設けた可撓性の管状体3からなり、この管状体3の一方の端部3aを封止すると共に、他方の端部3bを圧縮空気源5に連結可能にし、封止側端部3aに係止手段4を固定し、この係止手段4に管状体3の中間部を長手方向の任意の箇所で係止可能に構成し、係止時において係止箇所から封止側端部3aまでの管体領域が環状になるようにしている。   In FIG. 1, the rim assembly assisting tool 1 is composed of a flexible tubular body 3 provided with a plurality of injection holes 2 along the longitudinal direction of the tubular body, and seals one end 3 a of the tubular body 3. At the same time, the other end portion 3b can be connected to the compressed air source 5, and the locking means 4 is fixed to the sealing side end portion 3a. The intermediate portion of the tubular body 3 is fixed to the locking means 4 in the longitudinal direction. It is configured so that it can be locked at a location, and at the time of locking, the tubular body region from the locking location to the sealing side end portion 3a is annular.

係止手段4は、図2(a)及び(b)に示すように、管状体3を嵌合する半割り管状の係止部4aを備え、この係止部4aに管状体3の中間部を着脱可能に嵌合して管状体3を環状の形態になるように係止している。管状体3の端部3bと圧縮空気源5との連結部には、図示しない開閉弁を設けることが望ましい。 As shown in FIGS. 2 (a) and 2 (b), the locking means 4 includes a half tubular locking portion 4a into which the tubular body 3 is fitted, and an intermediate portion of the tubular body 3 is provided in the locking portion 4a. And the tubular body 3 is locked so as to be in an annular form. It is desirable to provide an opening / closing valve (not shown) at the connecting portion between the end 3 b of the tubular body 3 and the compressed air source 5.

このように構成することにより、係止箇所に応じて環状形成部の大きさを種々に変えることができるため、1個のリム組み補助具だけで多くのサイズの異なるリムへの使用を可能にすることができる。   By configuring in this way, the size of the annular forming portion can be variously changed according to the locking portion, so that it can be used for many different rims with only one rim assembly aid. can do.

図3はリム組み時の空気の流れを説明するための断面図で、チューブレスタイヤTから漏洩する空気がリム組み補助具1の管状体3の噴射孔2から排出された圧縮空気と衝突して所謂エアーカーテンSを形成している状態を示している。このようにエアーカーテンSを形成することにより、タイヤ内部からの空気の漏洩を防いでリムRへのリム組み作業を円滑に進行させることができる。   FIG. 3 is a cross-sectional view for explaining the air flow at the time of assembling the rim. Air leaking from the tubeless tire T collides with the compressed air discharged from the injection hole 2 of the tubular body 3 of the rim assembling auxiliary tool 1. A state in which a so-called air curtain S is formed is shown. By forming the air curtain S in this way, it is possible to prevent the air from leaking from the inside of the tire and to smoothly advance the rim assembly work on the rim R.

本発明において、圧縮空気源5に対する連結部から係止手段に係止する箇所までの管体領域Q(図1参照)には、噴射孔2を封止する封止部材(図示せず)を付設して圧縮空気の排出を阻止するようにしている。これにより、圧縮空気の無駄な排出を防止すると共に、環状に形成された部分における噴射孔2から排出する空気の圧力を調整し易くすることができる。 In the present invention, a sealing member (not shown) for sealing the injection hole 2 is provided in the tubular body region Q (see FIG. 1) from the connecting portion to the compressed air source 5 to the portion locked by the locking means. Attached to prevent discharge of compressed air . Accordingly, it is possible to prevent unnecessary discharge of the compressed air and to easily adjust the pressure of the air discharged from the injection hole 2 in the annular portion.

噴射孔2を覆う封止部材としては、管状体3の外周を覆う着脱可能でかつ伸縮自在の管状体でであればその形態は限定されるものではないが、例えば、管状体3の外径とほぼ同等の内径を有する可撓性ホースの長手方向を切り欠いたもの等が好ましく使用される。   The form of the sealing member that covers the injection hole 2 is not limited as long as it is a detachable and extendable tubular body that covers the outer periphery of the tubular body 3. For example, the outer diameter of the tubular body 3 is not limited. A flexible hose having a substantially equal inner diameter to that of the flexible hose is preferably used.

本発明において、管状体3が環状に形成された部分に、その環状形態を保持する支持具を着脱自在に付設するようにするとよい。すなわち、図4に示すように、管状体3を放射方向に拡縮可能な腕6aを有する支持具6に係止して使用するようにするとよい。支持具6は、図5に示すように、腕6aがリムサイズにあわせて放射方向にスライドして拡縮するように構成するとよい。支持具6の腕6aには管状体3を嵌合する係止部6bが形成される。これにより、リム組み時に圧縮空気源5から管状体3に圧送する圧縮空気の影響を受けて、管状体3の中間部が係止手段4の係止部4aから脱落して管状体3が空中で踊りだすような事態が発生するのを防止することができる。   In the present invention, it is preferable that a support for holding the annular form is detachably attached to a portion where the tubular body 3 is formed in an annular shape. That is, as shown in FIG. 4, the tubular body 3 may be used by being locked to a support 6 having an arm 6 a that can expand and contract in the radial direction. As shown in FIG. 5, the support 6 may be configured such that the arm 6a slides in the radial direction according to the rim size and expands or contracts. The arm 6 a of the support 6 is formed with a locking portion 6 b for fitting the tubular body 3. As a result, the intermediate portion of the tubular body 3 is dropped from the locking portion 4a of the locking means 4 under the influence of the compressed air pumped from the compressed air source 5 to the tubular body 3 when the rim is assembled, and the tubular body 3 is in the air. It is possible to prevent the situation of starting to dance.

上述するように、本発明のリム組み補助具1は、管状体3の中間部における係止手段4との嵌合位置を変えることにより、環状の筒状体3の直径を自由に設定できることから、一つの補助具でありながら、多くの異なるサイズのリムに対しても使用することができるもので、管状体3の全長を950〜2000mmにしておくことにより、リム径が12〜25インチのリムに対応する全てのサイズのタイヤに使用することができる。また、乗用車用と大型車用との二種類のリム組み補助具で対応させる場合には、管状体3の全長を950〜1400mm(リム径が12〜18インチのリムに対応)と1400〜2000mm(リム径が18〜25インチのリムに対応)との二種類にすればよい。   As described above, the rim assembly assisting tool 1 of the present invention can freely set the diameter of the annular tubular body 3 by changing the fitting position with the locking means 4 in the intermediate portion of the tubular body 3. The rim diameter is 12 to 25 inches by setting the overall length of the tubular body 3 to 950 to 2000 mm while it is an auxiliary tool and can be used for many different size rims. It can be used for tires of all sizes corresponding to the rim. In addition, when two types of rim assembly aids for passenger cars and large vehicles are used, the total length of the tubular body 3 is 950 to 1400 mm (corresponding to a rim having a rim diameter of 12 to 18 inches) and 1400 to 2000 mm. (It corresponds to a rim having a rim diameter of 18 to 25 inches).

本発明の実施形態によるチューブレスタイヤのリム組み補助具を示す下面図である。It is a bottom view which shows the rim assembly auxiliary tool of the tubeless tire by embodiment of this invention. (a)は図1のリム組み補助具における連結具近傍の形態を示す拡大図で、(b)は(a)のX−X矢視断面図である。(A) is an enlarged view which shows the form of the coupling tool vicinity in the rim | limb assembly auxiliary tool of FIG. 1, (b) is XX arrow sectional drawing of (a). リム組み時の空気の流れを説明するための断面図である。It is sectional drawing for demonstrating the flow of the air at the time of rim assembly. 本発明の他の実施形態によるチューブレスタイヤのリム組み補助具を示す下面図である。It is a bottom view which shows the rim assembly aid of the tubeless tire by other embodiment of this invention. 図4のY−Y矢視断面図である。It is a YY arrow sectional view of FIG.

符号の説明Explanation of symbols

1 リム組み補助具
2 噴射孔
3 管状体
4 係止手段
4a、4b 係止部
5 圧縮空気源
6 支持具
6a 腕
DESCRIPTION OF SYMBOLS 1 Rim assembly assistance tool 2 Injection hole 3 Tubular body 4 Locking means 4a, 4b Locking part 5 Compressed air source 6 Support tool 6a Arm

Claims (3)

管体の長手方向に沿って複数の噴射孔を設けた可撓性の管状体からなり、該管状体の一方の端部を封止すると共に、他方の端部を圧縮空気源に連結可能にし、前記封止側端部に半割り管状の係止部をもつ係止手段を固定し、該半割り管状の係止部に前記管状体の中間部を長手方向の任意の箇所で着脱可能に嵌合するように係止可能にして、係止時において該係止箇所から前記封止側端部までの管体領域が環状になるように構成し、かつ前記圧縮空気源に対する連結部から前記係止手段に係止する箇所までの管体領域に、前記噴射孔を封止する封止部材を付設したチューブレスタイヤのリム組み補助具。 It consists of a flexible tubular body provided with a plurality of injection holes along the longitudinal direction of the tubular body, and seals one end of the tubular body and allows the other end to be connected to a compressed air source. the the sealing end to secure the locking means having a locking portion of the half tube, removably middle portion of the tubular body to the engaging portion of the semi-split tubular in the longitudinal direction of the arbitrary point and enables locking to fit, tube region from the locking position to said sealing end portion is configured to be annular at the time of locking, and the connecting portion to the compressed air source A tubeless tire rim assembling aid in which a sealing member for sealing the injection hole is provided in a tube region up to a position where the locking means is locked . 前記封止部材を前記管状体の外周を覆う伸縮自在の管状体で構成した請求項1に記載のチューブレスタイヤのリム組み補助具。 The tubeless tire rim assembling tool according to claim 1 , wherein the sealing member is formed of a telescopic tubular body covering an outer periphery of the tubular body. 前記管状体が環状に形成された部分に、その環状形態を保持する支持具を着脱自在に付設した請求項1又は2に記載のチューブレスタイヤのリム組み補助具。 The rim assembly aid for a tubeless tire according to claim 1 or 2 , wherein a support for holding the annular form is detachably attached to a portion where the tubular body is formed in an annular shape.
JP2004181450A 2004-06-18 2004-06-18 Tubeless tire rim assembly aid Expired - Fee Related JP4325798B2 (en)

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JP4325798B2 true JP4325798B2 (en) 2009-09-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020062917A (en) * 2018-10-15 2020-04-23 横浜ゴム株式会社 Rim assembling auxiliary tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020062917A (en) * 2018-10-15 2020-04-23 横浜ゴム株式会社 Rim assembling auxiliary tool
JP7243122B2 (en) 2018-10-15 2023-03-22 横浜ゴム株式会社 Rim assembly aid

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