JPS6397455A - Vehicle brake device - Google Patents
Vehicle brake deviceInfo
- Publication number
- JPS6397455A JPS6397455A JP24234586A JP24234586A JPS6397455A JP S6397455 A JPS6397455 A JP S6397455A JP 24234586 A JP24234586 A JP 24234586A JP 24234586 A JP24234586 A JP 24234586A JP S6397455 A JPS6397455 A JP S6397455A
- Authority
- JP
- Japan
- Prior art keywords
- brake
- knuckle
- back plate
- 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.)
- Pending
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は四輪バギー車等の車両に用いられるブレーキ装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a brake device used in a vehicle such as a four-wheel buggy.
(従来の技術)
この種車両のブレーキとして用いられるドラム式ブレー
キは車体側等の固定側にブレーキシューを、一方車輪側
にはブレーキドラムを各配設し、ブレーキアームとによ
る入力でブレーキシュー間のカムを回動させ、これによ
りブレーキシューを拡開してブレーキドラムに圧接し、
制動を行う。(Prior art) A drum type brake used as a brake for this type of vehicle has a brake shoe on the fixed side such as the vehicle body side, and a brake drum on the wheel side, and the input from the brake arm is applied between the brake shoes. rotates the cam, which spreads the brake shoes and brings them into pressure contact with the brake drum.
Perform braking.
従来のこの種ブレーキ装置として特開昭60−9211
0号が開示されている。この技術は操向輪側のブレーキ
で、ナックルに車軸を設け、車軸に車輪な回動自在に支
承するとともに、車軸支持であるハブにブレーキドラム
を設け、一方、車軸基部上にバックプレート(ブレーキ
パネル)を固着し、バックプレートにブレーキシューを
係止するアンカーピンを突設している。As a conventional brake device of this type, Japanese Patent Application Laid-Open No. 60-9211
No. 0 is disclosed. This technology is a brake on the steered wheel side, with an axle attached to the knuckle, which is rotatably supported like a wheel, and a brake drum attached to the hub that supports the axle.On the other hand, a back plate (brake panel) and has an anchor pin protruding from the back plate that locks the brake shoes.
(発明が解決しようとする問題点)
以上の従来技術は、ナックルと一体的な車軸基部にこれ
らと別体のバックプレートを固設し、該プレートにブレ
ーキシューを係止するアンカーピンを固設しているので
以下の如き問題点がある。(Problems to be Solved by the Invention) In the above conventional technology, a back plate separate from these is fixed to the axle base that is integrated with the knuckle, and an anchor pin for locking the brake shoe is fixed to the plate. As a result, there are the following problems.
即ち、バックプレートを必要とし、従って部品点数が多
くなること、バックプレートにはアンカーピンとブレー
キカムを介してブレーキシューからの制動反力が作用す
るのでバックプレートの剛性強度を高める必要があり、
従って肉厚で重量も大きく、場合によっては制動反力受
は機構を必要とし、この結果ブレーキ装置の重量か大き
くなること、バックプレートを車軸に嵌着し、ブレーキ
ドラムと突き合わせるので製作上、組付上精度を要し、
一般には精度が出しにくいので突き合せ部間にガタが発
生し易いこと、車軸にバックプレートを組み付け、固定
する必要があるので、ブレーキi■付上面倒であること
等の問題がある。That is, a back plate is required, which increases the number of parts, and the back plate is subject to braking reaction force from the brake shoes via the anchor pin and brake cam, so it is necessary to increase the rigidity and strength of the back plate.
Therefore, the walls are thick and heavy, and in some cases, the brake reaction force receiver requires a mechanism, which results in an increase in the weight of the brake device.In addition, since the back plate is fitted to the axle and butted against the brake drum, it is difficult to manufacture. Requires precision in assembly,
In general, it is difficult to achieve precision, so looseness is likely to occur between the abutting parts, and since it is necessary to assemble and fix the back plate to the axle, there are problems in that it is troublesome to attach the brake.
本発明は以上の問題点に鑑みなされたもので、その目的
とする処は、この種ブレーキ装置の構造の簡単化、精度
の向上、軽全化、組付性向上を図り、併せて制動反力受
は等を不要として部品点数の削減をも企図し得るように
したことである。The present invention has been made in view of the above problems, and its purpose is to simplify the structure of this type of brake device, improve accuracy, reduce weight, and improve ease of assembly. By eliminating the need for force receivers, etc., it is possible to reduce the number of parts.
(問題点を解決するための手段)
以上の問題点を解決するための手段は、車軸を車体側に
対してキングピンにより操向自在に支持するナックルと
、該車軸に回転自在に支持される車輪と、該車輪側に設
けられたドラムブレーキ装置のブレーキドラムとからな
り、前記ナックルに拡開式制動部材の支持部材を一体的
に設けるようにしたことである。(Means for solving the problem) The means for solving the above problem consists of a knuckle that supports the axle in a steerable manner with a kingpin against the vehicle body side, and a wheel that is rotatably supported on the axle. and a brake drum of a drum brake device provided on the wheel side, and a support member for the expansion type braking member is integrally provided at the knuckle.
(上記手段による作用)
上記手段によれば、ナックルアームにブレーキシュー係
止用のアンカーピンやブレーキカムの如き支持部材を一
体的に設けているのでバックプレート(ブレーキパネル
)が不要となる。(Effects of the above means) According to the above means, a support member such as an anchor pin for locking a brake shoe or a brake cam is integrally provided on the knuckle arm, thereby eliminating the need for a back plate (brake panel).
(実施例)
次に本発明の好適する一実施例を添付図面を参照しつつ
詳述する。(Embodiment) Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
第1図はブレーキ装置を含む車輪の要部縦断正面図、第
2図は第1図矢視2方向の図、第3図は第2図矢視3方
向の図である。FIG. 1 is a longitudinal sectional front view of a main part of a wheel including a brake device, FIG. 2 is a view taken in two directions in the direction of arrows in FIG. 1, and FIG. 3 is a view in three directions in the direction of arrows in FIG.
第1図において(1)は車体側のメンバであるクロスパ
イプで、不図示のフレームに横架等され、該バイブ(1
)の端部(la)に筒状のキングピンホルダ(2)が1
従設されている。かかるキングピンホルダグ(2)の外
側にナックル(50)が配設され、ナックル(50)は
第1図、第2図で明らかな如く車幅方向内側に突出する
如く上下に取付はアーム部(51)。In Fig. 1, (1) is a cross pipe that is a member on the vehicle body side, and is horizontally suspended on a frame (not shown), and the vibe (1) is a cross pipe that is a member on the vehicle body side.
) has a cylindrical king pin holder (2) at the end (la) of the
It is subordinated. A knuckle (50) is provided on the outside of the king pin holder (2), and as shown in FIGS. 1 and 2, the knuckle (50) protrudes inward in the vehicle width direction and is attached to the upper and lower arm portions ( 51).
(52)を備え、この間に上下方向の本体(53)を備
え、ナックル(50)は第1図の如く正面視路コ字型を
なす。(52), and a vertical main body (53) between them, and the knuckle (50) has a U-shape in front view as shown in FIG.
ナックル(50)のアーム部(51) 、 (52)間
に既述のキングピンホルダ(2)を臨ませ、アーム部(
51)。The above-mentioned king pin holder (2) is placed between the arm parts (51) and (52) of the knuckle (50), and the arm part (
51).
(52)に形成したキングピン孔(53) 、 (54
)ホルダ(2)にキングピン(3)を嵌挿縦通し、キン
グピン(3)周にはカラー(4)を、又上下部とホルダ
(2)上下部との間にはブツシュ(5) 、 (5)を
嵌装し、更にアーム部(51) 、 (52)の対抗す
る部位とブツシュ(5) 、 (5)カラー(4)軸端
間には凹皿状のダストシールキャップ(6) 、 (5
) を夫々介装し、シールキャップ(6) 、 (6)
の外周に形成してリングフランジ片(6a)内周にはシ
ールラバー(6b)を固設し、一方、ホルダ(2)の上
下端外周には段部(2a)、 (2a)を形成し、シー
ルラバー(6b)のリップ部を各段部(2a)周に当接
せしめる。キングピン(3)はボルトタイプで先部にネ
ジ部(3a)を備え、下部アーム(52)下方にネジ部
(3a)を突出せしめナツト(7)で螺締し、キングピ
ンの[(3c)を一体に有する頭(3b)と上部アーム
(51)間にブレーキワイヤのアウタ金具端を支持する
ループ状のホルダ(8)の基部(8a)を挟み込んで共
締結若する。King pin holes (53) and (54) formed in (52)
) Insert the king pin (3) vertically into the holder (2), put a collar (4) around the king pin (3), and bushes (5) between the upper and lower parts of the holder (2), ( 5), and between the opposing parts of the arms (51), (52) and the shaft ends of the bushes (5), (5) and the collar (4) are concave dish-shaped dust seal caps (6), ( 5
) respectively, and seal caps (6) and (6).
A seal rubber (6b) is formed on the outer periphery of the ring flange piece (6a), and a seal rubber (6b) is fixed on the inner periphery of the ring flange piece (6a), while stepped portions (2a), (2a) are formed on the outer periphery of the upper and lower ends of the holder (2). , the lip portion of the seal rubber (6b) is brought into contact with the circumference of each step portion (2a). The kingpin (3) is a bolt type and has a threaded part (3a) at the tip.The threaded part (3a) protrudes below the lower arm (52), is screwed with a nut (7), and the kingpin [(3c) The base (8a) of a loop-shaped holder (8) that supports the outer metal fitting end of the brake wire is sandwiched between the head (3b) and the upper arm (51) which are integrated, and the two are fastened together.
以上によりナックル(50)はキングピン(3)のカラ
ー(4)を支点として左右に回動し、操向を行い、ナッ
クル(50)の上部アーム(51)の下方で後方にはタ
イロッド取付ステイ(55)を突設し、該ステイ(55
)には取付孔(56)が形成され、取付孔(56)に不
図示のタイロッド先端を枢着し、タイロッドの押引でナ
ックル(50)を操向回動せしめる。As a result of the above, the knuckle (50) rotates left and right using the collar (4) of the king pin (3) as a fulcrum to perform steering, and the tie rod attachment stay ( 55) is provided protrudingly, and the stay (55) is provided protrudingly.
) is formed with an attachment hole (56), and the tip of a tie rod (not shown) is pivotally attached to the attachment hole (56), and the knuckle (50) is steered and rotated by pushing and pulling the tie rod.
ナックル(50)の本体(53)の中央部には外側方に
車軸(57)を突設する。車軸(57)は円形の基部(
58)、大径の中間部(59)、この先のこれより小径
の軸部(60)からなり、軸部(60)の先部にはネジ
部(61)が形成され、上下のアーム部(51) 、
(52) 、本体(53)、タイロッド取付部(55)
及び軸部(57)は全一体に鍛造、機械加工等で成形さ
れる。An axle (57) is provided at the center of the main body (53) of the knuckle (50) to protrude outward. The axle (57) has a circular base (
58), a large-diameter middle part (59), and a smaller-diameter shaft part (60) at the tip, a threaded part (61) is formed at the tip of the shaft part (60), and the upper and lower arm parts ( 51),
(52), main body (53), tie rod mounting part (55)
The shaft portion (57) is integrally formed by forging, machining, etc.
かかる軸部(60)には車輪(10)の筒状ハブ(10
a)を軸受(11)を介して回動自在に嵌合し、ネジ部
(61)にナツト(12)を螺合してハブ(10a)
を軸方向に固定し、ハブ(loa)外周にはリング状ス
テイ(10b) とブレーキドラム(13)の内径部(
13a)を対応接近させて溶接し、かかるステイ(10
b)の外面に車輪(10)のディスク部(10c)を軸
方向に重ね合わせ、ドラム(13)の起片部(13b)
には放射状に取付ボルト(14)をステイ(10b)
を通して外向きに突設しておき、ボルト(14)をディ
スク部(10c)に通して外側からナツト(15)でデ
ィスク部(10c)を締若する。ディスク部(10c)
はリム(10d)の内周面に接合一体化され、リム(1
0d)にはタイヤ(10e)が装着されている。The cylindrical hub (10) of the wheel (10) is attached to the shaft (60).
a) is rotatably fitted through the bearing (11), and the nut (12) is screwed into the threaded part (61) to form the hub (10a).
is fixed in the axial direction, and the ring-shaped stay (10b) and the inner diameter part (13) of the brake drum (13) are attached to the outer periphery of the hub (loa).
13a) are welded in correspondingly close proximity to each other, and the stays (10
The disc portion (10c) of the wheel (10) is superimposed on the outer surface of the wheel (10) in the axial direction, and the raised piece portion (13b) of the drum (13) is
Attach the mounting bolts (14) radially to the stay (10b).
A bolt (14) is passed through the disc part (10c), and the disc part (10c) is tightened from the outside with a nut (15). Disc part (10c)
is integrally joined to the inner peripheral surface of the rim (10d), and
0d) is equipped with a tire (10e).
ブレーキドラム(13)のドラム部(13c)外周には
係止片(16)を設け、これの外周にシール材(17)
を係着し、一方、ナックル(50)の本体外側には浅い
ドラム状のダストカバー(18)を取り付け、カバー(
18)のドラム部(18a)内周をシール材(17)外
周に当接せしめる。A locking piece (16) is provided on the outer periphery of the drum part (13c) of the brake drum (13), and a sealing material (17) is provided on the outer periphery of the locking piece (16).
On the other hand, a shallow drum-shaped dust cover (18) is attached to the outside of the main body of the knuckle (50), and the cover (
The inner periphery of the drum portion (18a) of 18) is brought into contact with the outer periphery of the sealing material (17).
以上のナックル(50)の本体(53)の中間上部には
取付ボス部(61)を形成し、これに取付孔(62)を
横貫し、該取付孔(62)にはブレーキシュー(64)
のアンカーピン(63)の小径基部(63a)を嵌挿溶
接し、アンカービン(63)の大径中間部(63b)か
ら突出させたピン部(63c)間に一対のブレーキシュ
ー(64)の基部(64a)を係合する。一方、本体(
53)の下部には内方に突出するボス部(65)を設け
、これに支持孔(66)を貫設し、該支持孔(66)に
ブレーキカム(67)の軸部(67a)を回動自在に嵌
合し、軸部(67a)の内方延出端にはブレーキアーム
(68)の基部(68a)を係着し、先部(aab)に
は不図示のブレーキワイヤのインチ先端を係着する。ブ
レーキカム(67)のカム部(67b)はドラム(13
)内に突出し、既述のブレーキシュー(64)の先部(
64b)間に鑑み、ブレーキアーム(68)のブレーキ
ワイヤによる引張りでカム(67)は回動し、カム部(
67b)でバネ(69) 、 (69)で閉方向には付
勢されたブレーキシュー(64)を拡開し、ドラム(1
3)にシュー(64)を押しつけて制動を行う。A mounting boss portion (61) is formed at the middle upper part of the main body (53) of the knuckle (50), and a mounting hole (62) is passed through the mounting boss portion (61).
The small diameter base (63a) of the anchor pin (63) is inserted and welded, and a pair of brake shoes (64) are inserted between the pin part (63c) protruding from the large diameter middle part (63b) of the anchor pin (63). Engage the base (64a). On the other hand, the main body (
53) is provided with a boss portion (65) projecting inward, a support hole (66) is provided through the boss portion (65), and the shaft portion (67a) of the brake cam (67) is inserted into the support hole (66). The base (68a) of the brake arm (68) is engaged with the inwardly extending end of the shaft (67a), and the inch of brake wire (not shown) is attached to the tip (aab). Attach the tip. The cam part (67b) of the brake cam (67) is attached to the drum (13
), and the tip of the brake shoe (64) mentioned above (
64b), the cam (67) rotates due to the tension of the brake wire of the brake arm (68), and the cam part (
67b) expands the brake shoe (64) which is biased in the closing direction by the spring (69) and (69), and the drum (1
3) to perform braking by pressing the shoe (64).
以上のアンカービン(63)の取付ボス部(61)、ブ
レーキカム(67)の取付ボス部(65)はナックル(
50)各部と同様に一体成形され、アンカービン(63
)はナックル(50)に一体的に設けられることとなる
。The mounting boss portion (61) of the anchor bin (63) and the mounting boss portion (65) of the brake cam (67) are attached to the knuckle (
50) It is integrally molded like each part, and the anchor bin (63
) will be provided integrally with the knuckle (50).
(発明の効果)
以上で明らかな如く本発明によれば、ナックルにブレー
キシュー係止用のアンカービンやブレーキカムの如き支
持部材を一体的に突設したのでバックプレート(ブレー
キパネル)が不要となり、部品点数が減少し、且つオ&
造も簡単化することバックプレートの組付、結合、バッ
クプレートと車軸、ブレーキドラムとの間の位置精度を
保持しての組み付は等の工程が不要となり、組立性が向
上すること、ナックルにアンカービンを植設等するので
高精度が得られること、アンカービン及びブレーキカム
の如き制動支持部材はナックルに一体的に設けられてい
るので制動反力に対する剛性、強度が充分に得られ、バ
ックプレートタイプの如き反力受けは不要となる他厚肉
のバックプレートや反力受けがないので軽量化が可能で
ある等の利点がある。(Effects of the Invention) As is clear from the above, according to the present invention, a supporting member such as an anchor bin for locking a brake shoe or a brake cam is integrally protruded from the knuckle, so a back plate (brake panel) is not required. , the number of parts is reduced, and
The process of assembling the back plate, connecting it, and assembling it while maintaining positional accuracy between the back plate, axle, and brake drum is no longer necessary, and the ease of assembly is improved. High precision can be achieved by planting the anchor bin in the knuckle, and since the anchor bin and braking support members such as the brake cam are integrally provided with the knuckle, sufficient rigidity and strength against braking reaction force can be obtained. There are advantages such as no need for a reaction force receiver such as a back plate type, and weight reduction as there is no thick back plate or reaction force receiver.
図面は大発明の一実施例を示すもので、第1図はブレー
キ装置の縦断正面図、第2図は第1図矢視2方向の図で
ナックルの図、第3図は第2図矢視3方向の図である。
尚、図面中(1)は車体側、(3)はキングピン、(1
0)は車輪、(13)はブレーキドラム、(50)はナ
ックル、(57)は車軸、(63)はアンカービン、(
67)はブレーキカム、(64)は拡開式制動部材であ
る。The drawings show one embodiment of the great invention; FIG. 1 is a longitudinal sectional front view of the brake device, FIG. 2 is a view of the knuckle in two directions as viewed from the arrows in FIG. 1, and FIG. It is a view from three directions. In addition, (1) in the drawing is the vehicle body side, (3) is the king pin, and (1)
0) is the wheel, (13) is the brake drum, (50) is the knuckle, (57) is the axle, (63) is the anchor bin, (
67) is a brake cam, and (64) is an expansion type braking member.
Claims (1)
するナックルと、該車軸に回転自在に支持される車輪と
、該車輪側に設けられたドラムブレーキ装置のブレーキ
ドラムとからなり、前記ナックルに拡開式制動部材の支
持部材を一体的に設けるようにしたことを特徴とする車
両のブレーキ装置。It consists of a knuckle that supports the axle with respect to the vehicle body so that it can be steered freely by a king pin, a wheel that is rotatably supported on the axle, and a brake drum of a drum brake device provided on the wheel side. A brake device for a vehicle, characterized in that a support member for an expansion type brake member is integrally provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24234586A JPS6397455A (en) | 1986-10-13 | 1986-10-13 | Vehicle brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24234586A JPS6397455A (en) | 1986-10-13 | 1986-10-13 | Vehicle brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397455A true JPS6397455A (en) | 1988-04-28 |
Family
ID=17087816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24234586A Pending JPS6397455A (en) | 1986-10-13 | 1986-10-13 | Vehicle brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397455A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990080948A (en) * | 1998-04-23 | 1999-11-15 | 오상수 | Disc brake |
| US6612390B2 (en) * | 2001-01-09 | 2003-09-02 | Meritor Heavy Vehicle Technology, Llc. | Steer knuckle with integrated cam support |
| KR100709679B1 (en) | 2003-11-12 | 2007-04-19 | 주식회사 만도 | Drum brake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055506B2 (en) * | 1976-05-06 | 1985-12-05 | キノイン・ジヨ−ジセル・エ−シユ・ヴエジエ−セテイ・テルメ−ケク・ジヤ−ラ・エルテ− | Novel ω-aminocarboxylic acid amide and its production method |
-
1986
- 1986-10-13 JP JP24234586A patent/JPS6397455A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055506B2 (en) * | 1976-05-06 | 1985-12-05 | キノイン・ジヨ−ジセル・エ−シユ・ヴエジエ−セテイ・テルメ−ケク・ジヤ−ラ・エルテ− | Novel ω-aminocarboxylic acid amide and its production method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990080948A (en) * | 1998-04-23 | 1999-11-15 | 오상수 | Disc brake |
| US6612390B2 (en) * | 2001-01-09 | 2003-09-02 | Meritor Heavy Vehicle Technology, Llc. | Steer knuckle with integrated cam support |
| KR100709679B1 (en) | 2003-11-12 | 2007-04-19 | 주식회사 만도 | Drum brake |
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