JPH0338001Y2 - - Google Patents
Info
- Publication number
- JPH0338001Y2 JPH0338001Y2 JP1983088213U JP8821383U JPH0338001Y2 JP H0338001 Y2 JPH0338001 Y2 JP H0338001Y2 JP 1983088213 U JP1983088213 U JP 1983088213U JP 8821383 U JP8821383 U JP 8821383U JP H0338001 Y2 JPH0338001 Y2 JP H0338001Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical part
- cylindrical
- cylindrical portion
- brake drum
- axle
- 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
Links
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は車両用ホイールのハブ、特にドラムブ
レーキを装着するハブに関するものである。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a hub for a vehicle wheel, particularly a hub to which a drum brake is attached.
ワイヤスポークを用いた従来の車両用ホイール
におけるハブは、例えば特開昭46−1710号公報に
開示されている如く、車軸に回転自在に枢支され
る第１円筒部と、その外周に同心的に配設される
第２円筒部とを連結周壁で結合して、該第２円筒
部の内周面にブレーキドラム面を形成し、第２円
筒部の外周に周状のスポーク取付用フランジを有
する第３円筒部を同心的に配設し、第２円筒部の
開口側端部と第３円筒部の一端部とを周状端壁で
結合して、一体的に形成されている。
A hub in a conventional vehicle wheel using wire spokes has a first cylindrical part that is rotatably supported on the axle, and a hub that is concentric with the outer periphery of the first cylindrical part, as disclosed in, for example, Japanese Unexamined Patent Publication No. 1710/1983. A second cylindrical portion disposed in the second cylindrical portion is connected to the second cylindrical portion by a connecting peripheral wall, a brake drum surface is formed on the inner peripheral surface of the second cylindrical portion, and a circumferential spoke mounting flange is provided on the outer periphery of the second cylindrical portion. A third cylindrical portion having a third cylindrical portion is disposed concentrically, and the opening side end of the second cylindrical portion and one end of the third cylindrical portion are connected by a circumferential end wall to be integrally formed.
しかし乍ら、このような構成の車両用ホイール
のハブにあつては、ブレーキドラムの放熱は、第
２円筒部と第３円筒部の隙間を通つて第３円筒部
の周状端壁寄りの小開孔から外側へ流れる冷却風
によつて行なわれるが、その効果は未だ十分とは
言い難いものである。
However, in the case of a vehicle wheel hub having such a configuration, the heat radiation of the brake drum is carried out through the gap between the second cylindrical part and the third cylindrical part, and is dissipated toward the circumferential end wall of the third cylindrical part. This is achieved by cooling air flowing outward through small openings, but its effectiveness is still far from satisfactory.
本考案は上述の実情を背景としてなされたもの
で、その目的とするところは、ブレーキドラムの
周辺に冷却風を多く取り入れて、ブレーキドラム
面を十分冷却できる車両用ホイールのハブを提供
することにある。 The present invention was developed against the background of the above-mentioned circumstances, and its purpose is to provide a hub for a vehicle wheel that can sufficiently cool the brake drum surface by taking in a large amount of cooling air around the brake drum. be.
本考案は、車軸に回転自在に枢支される第１円
筒部と、該第１円筒部の外周に同心的に配設され
る第２円筒部と、該第２円筒部の外周に同心的に
配設されるスポーク取付用の第３円筒部とから成
るハブであつて、前記第１円筒部と第２円筒部と
は、車軸の軸線方向と略直交する連結周壁で互い
に結合され、該第１，第２円筒部と連結周壁とで
断面コ字状のブレーキドラムを形成し、該第２円
筒部のブレーキドラム背面部と第３円筒部とは、
周方向に離間して配設された、車軸の軸線方向の
多数の連結片で互いに結合されてなるものであ
る。
The present invention includes a first cylindrical part rotatably supported on an axle, a second cylindrical part concentrically arranged around the outer periphery of the first cylindrical part, and a second cylindrical part arranged concentrically around the outer periphery of the second cylindrical part. a third cylindrical part for attaching spokes disposed in the hub, the first cylindrical part and the second cylindrical part are connected to each other by a connecting peripheral wall substantially orthogonal to the axial direction of the axle; The first and second cylindrical parts and the connecting peripheral wall form a brake drum having a U-shaped cross section, and the brake drum rear part of the second cylindrical part and the third cylindrical part are
They are connected to each other by a large number of connecting pieces in the axial direction of the axle, which are spaced apart in the circumferential direction.
したがつて、ブレーキドラムの外周は、多数の
連結片にて形成される車軸の軸線方向に貫通する
空洞により、放熱面積及び冷却風の流通が増加し
て、ブレーキドラム面を十分冷却し得る。またス
ポーク取付用の第３円筒部を多数の連結片にて第
２円筒部に連設したから、ハブの剛性が向上して
ブレーキドラム面の熱歪を防止する。
Therefore, the outer periphery of the brake drum has a cavity formed by a large number of connecting pieces that penetrates in the axial direction of the axle, increasing the heat dissipation area and the circulation of cooling air, so that the brake drum surface can be sufficiently cooled. Further, since the third cylindrical portion for attaching spokes is connected to the second cylindrical portion by a large number of connecting pieces, the rigidity of the hub is improved and thermal distortion of the brake drum surface is prevented.
以下、本考案を図面に示す実施例に基づいて詳
細に説明する。
Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.
第１図乃至第３図は本考案の一実施例を示すも
ので、第１図はリムにチユーブレスタイヤを装着
したホイールの正面図、第２図は一部を省略した
縦断面図、第３図はハブの部分平面図である。 1 to 3 show an embodiment of the present invention, in which FIG. 1 is a front view of a wheel with a tubeless tire mounted on the rim, FIG. FIG. 3 is a partial plan view of the hub.
本実施例において、車両用ホイールは、第１図
及び第２図に示す如く、ハブ１と、該ハブ１の外
側にハブ１と同心円状に配置されたリム２と、該
ハブ１とリム２とを連結する多数のワイヤスポー
ク３とにより構成されている。 In this embodiment, as shown in FIGS. 1 and 2, the vehicle wheel includes a hub 1, a rim 2 disposed concentrically with the hub 1 on the outside of the hub 1, and a rim 2 between the hub 1 and the rim 2. It is composed of a large number of wire spokes 3 connecting the two.
前記ハブ１は、車軸に回転自在に枢支される第
１円筒部１１と、該第１円筒部１１の外周に同心
的に配設される第２円筒部１２と、該第２円筒部
１２の外周に同心的に配設されるスポーク取付用
の第３円筒部１３とを有している。前記第１円筒
部１１と第２円筒部１２とは、車軸の軸線方向と
略直交する連結周壁１４で互いに結合され、第２
円筒部１２の内周面にブレーキドラム材１５を装
着し、第１，第２円筒部１１，１２と連結周壁１
４とで断面コ字状のブレーキドラム１６を形成し
ている。第２円筒部１２のブレーキドラム背面部
と第３円筒部１３とは、周方向に離間して配設さ
れた、車軸の軸線方向の多数の連結片１７で互い
に結合され、第２円筒部１２と第３円筒部１３と
の間には、隣接する連結片１７，１７によつて車
軸の軸線方向に貫通して仕切られる空洞１８が形
成さている。 The hub 1 includes a first cylindrical portion 11 rotatably supported on an axle, a second cylindrical portion 12 concentrically disposed around the outer periphery of the first cylindrical portion 11 , and a second cylindrical portion 12 . The third cylindrical portion 13 for attaching spokes is arranged concentrically around the outer periphery of the third cylindrical portion 13 . The first cylindrical part 11 and the second cylindrical part 12 are connected to each other by a connecting peripheral wall 14 that is substantially perpendicular to the axial direction of the axle.
A brake drum material 15 is attached to the inner peripheral surface of the cylindrical portion 12, and the first and second cylindrical portions 11 and 12 are connected to the connecting peripheral wall 1.
4 form a brake drum 16 having a U-shaped cross section. The brake drum rear surface part of the second cylindrical part 12 and the third cylindrical part 13 are connected to each other by a large number of connecting pieces 17 in the axial direction of the axle, which are spaced apart in the circumferential direction. A cavity 18 is formed between the third cylindrical portion 13 and the third cylindrical portion 13 so as to pass therethrough in the axial direction of the axle and is partitioned by adjacent connecting pieces 17 , 17 .
前記第３円筒部１３は、その両側縁に径方向外
方かつ互いに外方に向つて斜めに延びる周状の一
対のスポーク取付用フランジ１３ａ，１３ａが形
成され、該スポーク取付用フランジ１３ａには、
スポーク取付用孔１９が穿設されている。また、
前記第３円筒部１３には、第２図及び第３図に示
す如く、隣接する連結片１７，１７の間毎に略正
方形の開孔１３ｂが空洞１８に連通して穿設され
ている。 The third cylindrical portion 13 has a pair of circumferential spoke mounting flanges 13a, 13a formed on both side edges thereof, which extend diagonally outward in the radial direction and outward from each other. ,
Spoke attachment holes 19 are bored. Also,
In the third cylindrical portion 13, as shown in FIGS. 2 and 3, approximately square openings 13b are formed between adjacent connecting pieces 17, 17 so as to communicate with the cavity 18.
本実施例における連結片１７は、断面が略細長
矩形状の板状を呈し、夫々空洞１８に対向する面
１７ａ，１７ａが第２円筒部１２のブレーキドラ
ム背面部に対して垂直で、かつ車軸の軸線方向に
対し略平行となるよう配設されている。 The connecting piece 17 in this embodiment has a plate shape with a substantially elongated rectangular cross section, and surfaces 17a, 17a facing the cavity 18 are perpendicular to the rear surface of the brake drum of the second cylindrical portion 12, and the axle shaft It is arranged so as to be substantially parallel to the axial direction of the.
前記ワイヤスポーク３は、一端がリム２に、他
端がニツプル３１を介して第３円筒部１３のスポ
ーク取付用フランジ１３ａのスポーク取付用孔１
９に夫々連結されている。尚、４は動力伝達用の
チエンスプロケツト、５はタイヤである。 The wire spokes 3 have one end attached to the rim 2 and the other end attached to the spoke attachment hole 1 of the spoke attachment flange 13a of the third cylindrical portion 13 via the nipple 31.
9, respectively. In addition, 4 is a chain sprocket for power transmission, and 5 is a tire.
上述の如き構成の車両用ホイールが回転する
と、第２円筒部１２及び第３円筒部１３の周辺に
は、車軸に直交する方向に冷却風が流れるのみな
らず、空洞１８内を車軸の軸線方向にも冷却風が
吹き抜ける。また第３円筒部１３の開孔１３ｂか
らも冷却風が吹き抜けることとなる。 When the vehicle wheel configured as described above rotates, cooling air not only flows around the second cylindrical part 12 and the third cylindrical part 13 in a direction perpendicular to the axle, but also flows inside the cavity 18 in the axial direction of the axle. Cooling air blows through. Further, the cooling air also blows through the opening 13b of the third cylindrical portion 13.
第４図乃至第６図は、夫々リブの形状を異なら
しめた本考案の他の実施例を示すものである。 FIGS. 4 to 6 show other embodiments of the present invention in which the shapes of the ribs are different.
第４図に示す連結片１７は、断面矩形の板状で
あり、ハブ１３の径方向から見て、車軸の軸線方
向に離間して一対づつがハ字形となるように、第
２円筒部１２のブレーキドラム背面部に対して垂
直に配設されている。 The connecting pieces 17 shown in FIG. 4 are plate-shaped with a rectangular cross section, and when viewed from the radial direction of the hub 13, the second cylindrical portion 17 is spaced apart in the axial direction of the axle so that each pair forms a V-shape. The brake drum is located perpendicular to the rear surface of the brake drum.
第５図に示す連結片１７は、第３図に示す実施
例における連結片と同様の形状であるが、夫々空
洞１８に対向する面１７ａ，１７ａが、若干車軸
の軸線に対して傾斜するように、第２円筒部１２
のブレーキドラム背面部に対して垂直に配設され
ている。 The connecting piece 17 shown in FIG. 5 has the same shape as the connecting piece in the embodiment shown in FIG. , the second cylindrical part 12
The brake drum is located perpendicular to the rear surface of the brake drum.
第６図に示す連結片１７は、第３図に示す実施
例における連結片の如く、断面が略細長矩形状の
板状を呈し、かつ車軸の軸線方向に対し略平行と
なるよう配設されているが、夫々が空洞１８に対
向する夫々の面１７ａ，１７ａが第２円筒部１２
のブレーキドラム背面部に対して垂直より若干周
方向に傾斜するように配設されている。 The connecting piece 17 shown in FIG. 6, like the connecting piece in the embodiment shown in FIG. 3, has a plate shape with a substantially elongated rectangular cross section, and is arranged so as to be substantially parallel to the axial direction of the axle. However, the respective surfaces 17a, 17a facing the cavity 18 are opposite to the second cylindrical portion 12.
The brake drum is arranged so as to be inclined slightly in the circumferential direction rather than perpendicular to the rear surface of the brake drum.
このように車軸の軸線方向或いは径方向に角度
を持たせたリブを形成すると、ホイールの回転に
よる風の取り込み効率が更に向上し、よつてブレ
ーキドラム面の放熱がより十分行い得ることとな
る。 When the ribs are formed at an angle in the axial direction or radial direction of the axle in this way, the efficiency of taking in the wind due to the rotation of the wheel is further improved, and therefore, the heat dissipation from the brake drum surface can be more sufficiently performed.
本考案の車両用ホイールは、上記の如く、車軸
に回転自在に枢支される第１円筒部と、該第１円
筒部の外周に同心的に配設される第２円筒部と
を、車軸の軸線方向と略直交する連結周壁で互い
に結合して、該第１，２円筒部と連結周壁とで断
面コ字状のブレーキドラムを形成するとともに、
前記第２円筒部と、第２円筒部の外周に同心的に
配設されるスポーク取付用の第３円筒部とを、周
方向に離間して配設された、車軸の軸線方向の多
数の連結片で互いに結合したから、ブレーキドラ
ムの外周は、多数の連結片にて形成される車軸の
軸線方向に貫通する空洞が形成され、ブレーキド
ラム周辺の放熱面積及び冷却風の流通が増加し
て、ブレーキドラム面を十分冷却し得る。またス
ポーク取付用の第３円筒部を多数の連結片にて第
２円筒部に連設したから、ハブの剛性が向上して
ブレーキドラム面の熱歪発生を防止し得て、ブレ
ーキ鳴きを防止できる。
As described above, the vehicle wheel of the present invention has a first cylindrical portion rotatably supported on the axle, and a second cylindrical portion concentrically arranged around the outer periphery of the first cylindrical portion. The first and second cylindrical portions and the connecting peripheral wall form a brake drum having a U-shaped cross section, and
The second cylindrical part and a third cylindrical part for attaching spokes, which is arranged concentrically on the outer periphery of the second cylindrical part, are connected to a plurality of cylindrical parts in the axial direction of the axle, which are spaced apart in the circumferential direction. Since they are connected to each other by the connecting pieces, the outer periphery of the brake drum is formed with a cavity penetrating in the axial direction of the axle formed by the many connecting pieces, increasing the heat dissipation area and the circulation of cooling air around the brake drum. , the brake drum surface can be sufficiently cooled. In addition, since the third cylindrical part for attaching spokes is connected to the second cylindrical part with a large number of connecting pieces, the rigidity of the hub is improved and thermal distortion of the brake drum surface can be prevented, thereby preventing brake squeal. can.
第１図乃至第３図は本考案の一実施例を示すも
ので、第１図は車両用ホイールの正面図、第２図
は一部を省略した縦断面図、第３図はハブの一部
平面図、第４図乃至第６図は本考案の夫々他の実
施例を示すもので、第４図及び第５図はハブの一
部平面図、第６図は車両用ホイールの正面図であ
る。
１…ハブ、２…リム、３…ワイヤスポーク、１
１…第１円筒部、１２…第２円筒部、１３…第３
円筒部、１４…連結周壁、１６…ブレーキドラ
ム、１７…連結片、１８…空洞。
Figures 1 to 3 show one embodiment of the present invention, in which Figure 1 is a front view of a vehicle wheel, Figure 2 is a partially omitted longitudinal sectional view, and Figure 3 is a view of a hub. 4 to 6 show other embodiments of the present invention, FIGS. 4 and 5 are partial plan views of the hub, and FIG. 6 is a front view of the vehicle wheel. It is. 1...Hub, 2...Rim, 3...Wire spoke, 1
1...First cylindrical part, 12...Second cylindrical part, 13...Third
Cylindrical portion, 14... Connection peripheral wall, 16... Brake drum, 17... Connection piece, 18... Cavity.
Claims (1)
第１円筒部の外周に同心的に配設される第２円筒
部と、該第２円筒部の外周に同心的に配設される
スポーク取付用の第３円筒部とから成るハブであ
つて、前記第１円筒部と第２円筒部とは、車軸の
軸線方向と略直交する連結周壁で互いに結合さ
れ、該第１，第２円筒部と連結周壁とで断面コ字
状のブレーキドラムを形成し、該第２円筒部のブ
レーキドラム背面部と第３円筒部とは、周方向に
離間して配設された、車軸の軸線方向の多数の連
結片で互いに結合されてなる車両用ホイールのハ
ブ。 a first cylindrical part rotatably supported on an axle; a second cylindrical part concentrically disposed on the outer periphery of the first cylindrical part; and a third cylindrical part for attaching spokes, the first cylindrical part and the second cylindrical part are connected to each other by a connecting peripheral wall substantially orthogonal to the axial direction of the axle, and the first and second cylindrical parts The second cylindrical portion and the connecting circumferential wall form a brake drum having a U-shaped cross section, and the brake drum rear surface portion of the second cylindrical portion and the third cylindrical portion are spaced apart from each other in the circumferential direction of the axle. A hub for a vehicle wheel that is connected to each other by multiple connecting pieces in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8821383U JPS59192401U (en) | 1983-06-09 | 1983-06-09 | vehicle wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8821383U JPS59192401U (en) | 1983-06-09 | 1983-06-09 | vehicle wheels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192401U JPS59192401U (en) | 1984-12-20 |
| JPH0338001Y2 true JPH0338001Y2 (en) | 1991-08-12 |
Family
ID=30218122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8821383U Granted JPS59192401U (en) | 1983-06-09 | 1983-06-09 | vehicle wheels |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192401U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5665646B2 (en) * | 2011-04-28 | 2015-02-04 | 本田技研工業株式会社 | Vehicle wheel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7524641U (en) * | 1975-08-02 | 1976-02-12 | Bayerische Motoren Werke Ag, 8000 Muenchen | CAST SPOKED WHEEL FOR MOTOR VEHICLES, IN PARTICULAR FOR MOTORCYCLES |
| JPS5631442U (en) * | 1979-08-17 | 1981-03-27 | ||
| JPS5854390U (en) * | 1981-10-08 | 1983-04-13 | 本田技研工業株式会社 | Motorcycle drum brake rotation prevention device |
-
1983
- 1983-06-09 JP JP8821383U patent/JPS59192401U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59192401U (en) | 1984-12-20 |
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