JPS6251181B2 - - Google Patents
Info
- Publication number
- JPS6251181B2 JPS6251181B2 JP13175682A JP13175682A JPS6251181B2 JP S6251181 B2 JPS6251181 B2 JP S6251181B2 JP 13175682 A JP13175682 A JP 13175682A JP 13175682 A JP13175682 A JP 13175682A JP S6251181 B2 JPS6251181 B2 JP S6251181B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing member
- cylinder
- master cylinder
- synthetic resin
- bracket
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 46
- 229920003002 synthetic resin Polymers 0.000 claims description 13
- 239000000057 synthetic resin Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Description
【発明の詳細な説明】
本発明は車両用ブレーキ装置やクラツチ装置に
用いられるマスタシリンダに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a master cylinder used in a vehicle brake device or clutch device.
二輪車等に用いられるこの種のマスタシリンダ
は、従来鋳鉄もしくは重力ダイキヤスト等による
アルミニウム合金によつて作られている。 This type of master cylinder used in motorcycles and the like has conventionally been made of cast iron or aluminum alloy by gravity die casting.
ところで、二輪車等においても省エネ等の問題
から小型・軽量化が要請され、これによりマスタ
シリンダ自体の小型・軽量化が図られている。ま
た、マスタシリンダが二輪車等のハンドルに取付
けられる場合、そのバランスあるいは取付スペー
ス等の問題からも小型・軽量化にする必要があ
る。 Incidentally, there is also a demand for smaller and lighter motorcycles and the like due to issues such as energy saving, and as a result, efforts are being made to make the master cylinder itself smaller and lighter. Further, when the master cylinder is attached to a handlebar of a two-wheeled vehicle or the like, it is necessary to make it smaller and lighter due to problems such as balance and mounting space.
このため、合成樹脂等の軽量な材料で、マスタ
シリンダを一体成形することが考えられるが、特
に二輪車等に使用されるマスタシリンダは、シリ
ンダボデイの一側に設けられた車体取付部をハン
ドルに取付け、そしてシリンダボデイの他側に設
けられた操作レバーを回動し、シリンダボデイ内
のピストンを押動して操作するようになつてい
る。 For this reason, it is conceivable to integrally mold the master cylinder from a lightweight material such as synthetic resin, but in particular for master cylinders used in motorcycles, the vehicle body mounting part provided on one side of the cylinder body is attached to the handlebar. It is operated by rotating the operating lever provided on the other side of the cylinder body and pushing the piston inside the cylinder body.
ところで、合成樹脂材料は金属材料に比べ剛性
が劣るため、マスタシリンダの車体取付部と操作
レバー取付部間の強度・剛性が不足する場合があ
り、この部分に強度・剛性が要求される。 By the way, since synthetic resin materials have inferior rigidity compared to metal materials, there are cases where the strength and rigidity between the master cylinder's vehicle body attachment part and the control lever attachment part are insufficient, and strength and rigidity are required for this part.
本発明はかかる実情を背景にしてなされたもの
で、剛性を有し操作レバーで押動されるピストン
を収容する筒状のシリンダ補強部材と、剛性を有
し操作レバー取付部と車体等への取付部を備えた
板状のブラケツト補強部材を組合せ、合成樹脂に
より前記シリンダ補強部材とブラケツト補強部材
とを一体モールドして成形したことを特徴とする
ものである。 The present invention was made against the background of the above circumstances, and includes a rigid cylinder reinforcing member that houses a piston that is pushed by an operating lever, and a rigid cylinder reinforcing member that accommodates the operating lever mounting portion and the vehicle body. The present invention is characterized in that a plate-shaped bracket reinforcing member having a mounting portion is combined, and the cylinder reinforcing member and the bracket reinforcing member are integrally molded from synthetic resin.
そして本発明の目的は、合成樹脂を剛性を有す
るシリンダ補強部材とブラケツト補強部材に一休
モールドして成形しマスタシリンダの小型・軽量
化を図り、かつ液圧発生部材および操作レバーの
荷重を受ける部分が剛性を有する補強部材で補強
され強度的に優れ、しかもシリンダの内面加工お
よびリザーバの成形が簡単で制作コストの軽減が
図られるマスタシリンダを提供するにある。 An object of the present invention is to reduce the size and weight of the master cylinder by molding synthetic resin into a rigid cylinder reinforcing member and a bracket reinforcing member, and to provide a portion that receives the load of the hydraulic pressure generating member and the operating lever. To provide a master cylinder which is reinforced with a reinforcing member having rigidity and has excellent strength, and furthermore, the inner surface of the cylinder and the molding of the reservoir are easy and the production cost can be reduced.
以下、図面により本発明の一実施例を詳細に説
明する。 Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.
マスタシリンダ１は作動液を充填するリザーバ
２と、液圧発生機構を内装するシリンダボデイ３
と、液圧をブレーキ装置へ供給する吐出口部４
と、二輪車等のハンドルに取付ける車体取付部５
と、操作レバーが取付けられる操作レバー取付部
６とからなつている。 The master cylinder 1 includes a reservoir 2 filled with hydraulic fluid and a cylinder body 3 that houses a hydraulic pressure generation mechanism.
and a discharge port 4 that supplies hydraulic pressure to the brake device.
and a vehicle body attachment part 5 that is attached to the handlebar of a two-wheeled vehicle, etc.
and an operating lever mounting portion 6 to which the operating lever is attached.
このマスタシリンダ１は第４図に示すように、
筒状のシリンダ補強部材７と、板状のブラケツト
補強部材８とを組合せ、この両補強部材７，８を
合成樹脂により一体モールドして成形した構造と
なつている。 As shown in FIG. 4, this master cylinder 1 is
It has a structure in which a cylindrical cylinder reinforcing member 7 and a plate-shaped bracket reinforcing member 8 are combined, and both reinforcing members 7 and 8 are integrally molded from synthetic resin.
筒状のシリンダ補強部材７は、スチール等の剛
性部材で作られており、その一端部は閉塞され、
かつ内部は収容される液圧発生機構のピストン
（図示せず）が円滑に摺動できるように加工され
ている。そして、閉塞部側の上部には、吐出口７
ａをホイールシリンダ（図示せず）に接続する吐
出口補強部材９がシリンダ軸方向に直交して接合
されている。一方開口部側の上部には、係止突起
１０が上方へ延出して形成されている。 The cylindrical cylinder reinforcing member 7 is made of a rigid member such as steel, and one end thereof is closed.
Moreover, the inside is processed so that a piston (not shown) of a hydraulic pressure generating mechanism housed therein can slide smoothly. In the upper part on the side of the closed part, there is a discharge port 7.
A discharge port reinforcing member 9 that connects a to a wheel cylinder (not shown) is joined perpendicularly to the cylinder axis direction. On the other hand, a locking protrusion 10 is formed at the upper part of the opening side so as to extend upward.
ブラケツト補強部材８はシリンダ補強部材７と
同様にスチール等の剛性部材で板状に作られてお
り、その外縁には上方へ屈曲したフランジ部８ａ
を有している。このブラケツト補強部材８は略中
央部に形成された係合孔１１にシリンダ補強部材
７の係止突起１０を係合してシリンダ補強部材７
と組合される。このブラケツト補強部材８とシリ
ンダ補強部材７との組合せは、その他の機械的結
合手段によつて仮止めするようにしてもよく、ま
た一点溶接等の結合手段によつてもよい。 Like the cylinder reinforcing member 7, the bracket reinforcing member 8 is made of a rigid member such as steel and has a plate shape, and has an upwardly bent flange portion 8a on its outer edge.
have. This bracket reinforcing member 8 is assembled by engaging the locking protrusion 10 of the cylinder reinforcing member 7 in an engaging hole 11 formed approximately at the center of the bracket reinforcing member 8.
It is combined with The combination of the bracket reinforcing member 8 and the cylinder reinforcing member 7 may be temporarily fixed by other mechanical coupling means, or by coupling means such as one-point welding.
そして、ブラケツト補強部材８はシリンダ補強
部材７を跨ぎ、その一端は車体取付補強部８ｂ、
他端は操作レバー（図示せず）が装着される操作
レバー取付補強部８ｃとなつている。この車体取
付補強部８ｂには、取付ボルトが螺着される雌ね
じを有するボス部１２，１２が、また操作レバー
取付補強部８ｃには、操作レバーを片持支持する
支持ボルトが螺着される雌ねじを有するボス部１
３がそれぞれ溶接等により固定されている。 The bracket reinforcing member 8 straddles the cylinder reinforcing member 7, and one end thereof is connected to a vehicle body mounting reinforcing portion 8b,
The other end serves as an operation lever attachment reinforcing portion 8c to which an operation lever (not shown) is attached. The vehicle body mounting reinforcement part 8b has boss parts 12, 12 having internal threads into which a mounting bolt is screwed, and the operation lever mounting reinforcement part 8c has a support bolt that cantileverly supports the operation lever. Boss part 1 with female thread
3 are each fixed by welding or the like.
マスタシリンダ１の成形は、このような状態で
組合されているシリンダ補強部材７と、ブラケツ
ト補強部材８とを、車体取付補強部８ｂのハンド
ルに圧接される部分および操作レバー取付補強部
８ｃの操作レバーと対向する部分を残して合成樹
脂で一体モールドし、かつシリンダ補強部材７の
上方位置にリザーバ２を一体成形する。合成樹脂
はブラケツト補強部材８に形成された孔１４によ
りブラケツト補強部材８とシリンダチユーブ補強
部材７との間に充填され易くし、また吐出口補強
部材９とによりシリンダチユーブ補強部材７に回
転止めして溶着され、容易に剥離しないようにな
つている。そして、合成樹脂で成形した後リザー
バ２内とシリンダ内とを連通するリリーフポート
１５およびサプライポート１６が成形される。 The molding of the master cylinder 1 involves the operation of the cylinder reinforcing member 7 and the bracket reinforcing member 8 that are combined in this state, the part of the vehicle body mounting reinforcing part 8b that is pressed into contact with the handle, and the operation lever mounting reinforcing part 8c. The portion facing the lever is integrally molded with synthetic resin, and the reservoir 2 is integrally molded above the cylinder reinforcing member 7. The synthetic resin is easily filled between the bracket reinforcing member 8 and the cylinder tube reinforcing member 7 through the hole 14 formed in the bracket reinforcing member 8, and the synthetic resin is prevented from rotating in the cylinder tube reinforcing member 7 by the discharge port reinforcing member 9. It is welded to prevent it from peeling off easily. After molding from synthetic resin, a relief port 15 and a supply port 16 that communicate the inside of the reservoir 2 and the inside of the cylinder are molded.
このようにして成形されたマスタシリンダ１
は、車体取付部５によつてハンドルに取付けられ
る。そして、操作レバーが操作レバー取付部６
に、回動自在に片持支持して取付けられる。この
操作レバーはシリンダボデイ３内に収容された液
圧発生機構を作動して液圧を発生させる。 Master cylinder 1 formed in this way
is attached to the steering wheel by the vehicle body attachment part 5. Then, the operating lever is attached to the operating lever mounting part 6.
It is rotatably supported in a cantilevered manner. This operating lever operates a hydraulic pressure generating mechanism housed within the cylinder body 3 to generate hydraulic pressure.
この操作レバーの作動によつて、操作レバー取
付部６と車体取付部５間に荷重がかかるが、ブラ
ケツト補強部材８によつて補強されていることに
より、確実にこの荷重を受けることができる。 When the operating lever is operated, a load is applied between the operating lever mounting portion 6 and the vehicle body mounting portion 5, but this load can be reliably supported by the reinforcement provided by the bracket reinforcing member 8.
本発明は以上のように、剛性を有するシリンダ
補強部材とブラケツト補強部材とを組合せ、これ
に合成樹脂を一体成形したから、成形時における
両補強部材の位置決めが容易で、マスタシリンダ
が従来の鋳鉄あるいはアルミニウム合金で成形さ
れたものに比し、小型かつ軽量化することができ
る。しかもマスタシリンダを車体等に取付ける車
体取付部および操作レバーの作動による荷重を受
ける部分がブラケツト補強部材で補強され、強度
的にも優れている。そしてリザーバがシリンダボ
デイと一体に合成樹脂で一体モールドして成形さ
れ、またシリンダ内面の加工もマスタシリンダ成
形前に加工されていることにより容易であり製作
コストの軽減が図られる。 As described above, the present invention combines a cylinder reinforcing member with rigidity and a bracket reinforcing member, and integrally molds synthetic resin with the cylinder reinforcing member. Therefore, the positioning of both reinforcing members during molding is easy, and the master cylinder is made of cast iron instead of conventional cast iron. Alternatively, it can be made smaller and lighter than those molded from aluminum alloy. In addition, the vehicle body attachment portion where the master cylinder is attached to the vehicle body, etc. and the portion that receives the load due to the operation of the operating lever are reinforced with bracket reinforcing members, providing excellent strength. The reservoir is integrally molded with the cylinder body from synthetic resin, and the inner surface of the cylinder is processed before the master cylinder is molded, making it easy and reducing manufacturing costs.
図面は本発明を二輪車に用いられるマスタシリ
ンダに適用した一実施例を示すもので、第１図は
平面図、第２図は第１図の−断面図、第３図
は第１図の−断面図、第４図はシリンダ補強
部材とブラケツト補強部材とを組合せた状態を示
す斜視図である。
１……マスタシリンダ、２……リザーバ、３…
…シリンダボデイ、５……車体取付部、６……操
作レバー取付部、７……シリンダ補強部材、８…
…ブラケツト補強部材。
The drawings show an embodiment in which the present invention is applied to a master cylinder used in a two-wheeled vehicle. FIG. 1 is a plan view, FIG. 2 is a cross-sectional view of FIG. 1, and FIG. 3 is a cross-sectional view of FIG. 1. The sectional view and FIG. 4 are perspective views showing a state in which the cylinder reinforcing member and the bracket reinforcing member are combined. 1...Master cylinder, 2...Reservoir, 3...
...Cylinder body, 5...Vehicle body attachment part, 6...Operation lever attachment part, 7...Cylinder reinforcement member, 8...
...Bracket reinforcement member.
Claims (1)
を収容する筒状のシリンダ補強部材と、剛性を有
し操作レバー取付補強部と車体等への取付補強部
を備えた板状のブラケツト補強部材とを組合せ、
合成樹脂により前記シリンダ補強部材とブラケツ
ト補強部材とを一体モールドして成形したことを
特徴とするマスタシリンダ。 ２ 合成樹脂によりシリンダ補強部材の上部にリ
ザーバを一体成形したことを特徴とする特許請求
の範囲第１項記載のマスタシリンダ。 ３ 前記組合せは、溶接または機械的結合手段に
よつて仮止めしたことを特徴とする特許請求の範
囲第１項記載のマスタシリンダ。[Scope of Claims] 1. A cylindrical cylinder reinforcing member having rigidity and accommodating a piston that is pushed by an operation lever, a rigidity reinforcement part for attaching the operation lever, and a reinforcement part for attaching to a vehicle body, etc. Combined with a plate-shaped bracket reinforcement member,
A master cylinder characterized in that the cylinder reinforcing member and the bracket reinforcing member are integrally molded from synthetic resin. 2. The master cylinder according to claim 1, wherein the reservoir is integrally molded on the upper part of the cylinder reinforcing member using synthetic resin. 3. The master cylinder according to claim 1, wherein the combination is temporarily fixed by welding or mechanical coupling means.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57131756A JPS5920758A (en) | 1982-07-28 | 1982-07-28 | Master cylinder |
| KR2019830006658U KR880003227Y1 (en) | 1982-07-28 | 1983-07-28 | Master cylinder |
| KR2019880007203U KR880004318Y1 (en) | 1982-07-28 | 1988-05-14 | Master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57131756A JPS5920758A (en) | 1982-07-28 | 1982-07-28 | Master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5920758A JPS5920758A (en) | 1984-02-02 |
| JPS6251181B2 true JPS6251181B2 (en) | 1987-10-28 |
Family
ID=15065446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57131756A Granted JPS5920758A (en) | 1982-07-28 | 1982-07-28 | Master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01124645A (en) * | 1987-11-05 | 1989-05-17 | Kaji Seisakusho:Kk | Covering with covering yarn |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5711760B2 (en) * | 2010-11-17 | 2015-05-07 | 本田技研工業株式会社 | Electric brake actuator mounting structure |
-
1982
- 1982-07-28 JP JP57131756A patent/JPS5920758A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01124645A (en) * | 1987-11-05 | 1989-05-17 | Kaji Seisakusho:Kk | Covering with covering yarn |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5920758A (en) | 1984-02-02 |
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