JPS59227555A - Brake booster - Google Patents

Brake booster

Info

Publication number
JPS59227555A
JPS59227555A JP10241183A JP10241183A JPS59227555A JP S59227555 A JPS59227555 A JP S59227555A JP 10241183 A JP10241183 A JP 10241183A JP 10241183 A JP10241183 A JP 10241183A JP S59227555 A JPS59227555 A JP S59227555A
Authority
JP
Japan
Prior art keywords
lead wire
boot
piston
force sensor
input shaft
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
Application number
JP10241183A
Other languages
Japanese (ja)
Inventor
Yukinori Nishiyama
西山　幸典
Koji Takada
高田　皓司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP10241183A priority Critical patent/JPS59227555A/en
Publication of JPS59227555A publication Critical patent/JPS59227555A/en
Pending legal-status Critical Current

Links

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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Sealing Devices (AREA)

Abstract

PURPOSE:To prevent interference of lead wire at other portions by providing a stepping force sensor on an input shaft to be coupled with a brake pedal while wiring the lead wire of the sensor along the fin of shrinkable boot provided between the projected section of piston and the body. CONSTITUTION:A shrinkable boot 15' is mounted between the tubular section 11 and the body 12 of piston 3. Spiral fins 20 are formed on said boot 15'. While a stepping force sensor 16 is fixed on the input shaft 14. The lead wire 17' of said sensor 16 is wired along the root of said spiral fin 20. Since the lead wire 17 will move integrally with shrinkage of said boot 15', it will never interfere with other portions nor bent sharply.

Description

【発明の詳細な説明】 （イ）　産業上の利用分野 この発明はブレーキ倍力装置に関するものであり、特に
電子制御ブレーキシステムにおけるブレーキ倍力装置（
いわゆるブースタ）のブーツとリード線の配線１こ関す
るものである。[Detailed Description of the Invention] (a) Industrial Application Field This invention relates to a brake booster, and in particular a brake booster in an electronically controlled brake system (
This is related to the wiring for the boot and lead wire of a so-called booster.

（０）従来技術 ブレーキ倍力装置の入力側１こおいては、装置のボディ
から突出した筒形のピストンの一部に入力軸を挿入する
ととも１こ突出したピストンの先端とボディとの間１こ
防塵用のゴムブーツが装着される。(0) On the input side 1 of the conventional brake booster, when the input shaft is inserted into a part of the cylindrical piston that protrudes from the body of the device, there is a gap between the tip of the piston that protrudes one part and the body. Rubber boots are installed to prevent dust.

また、電子制御ブレーキシステム１こおいて使用される
ブレーキ倍力装置においては、上記の人力軸１こ踏力セ
ンサが取付けられ、そのセンサからコンピュータに至る
リード線が接続される。Further, in the brake booster used in the electronically controlled brake system 1, the above-described pedal force sensor is attached to the human power shaft 1, and a lead wire from the sensor to the computer is connected.

第１図は、このようなブレーキ倍力装置１とブレーキ液
圧発生装置２を一体１こ結合し、各装置１．２のピスト
ン３．４を係合したものを示している。倍力装置１にお
いては、、ピストン３の両側（こ動力が作用するよう加
圧側入力ポート５及び減圧側入力ポートロを設け、適宜
コントロールされた動力がピストン３に作用するように
なっている。FIG. 1 shows such a brake booster 1 and a brake fluid pressure generator 2 that are combined into one unit, and the pistons 3.4 of each device 1.2 are engaged. In the booster 1, a pressure side input port 5 and a pressure reduction side input port are provided on both sides of the piston 3 (so that power acts on the piston 3), so that appropriately controlled power acts on the piston 3.

また液圧発生装置２のピストン４は段付きであり、２系
統の出力ポードア、８が設けられ、各ポート７．８の暎
する液圧室はそれぞれリザーバタンクの接続ポート９．
１０と連通されている。Further, the piston 4 of the hydraulic pressure generating device 2 is stepped, and two output port doors 8 are provided, and the hydraulic pressure chambers of each port 7.8 are connected to the connection port 9.8 of the reservoir tank.
It is connected to 10.

倍力装置１のピストン３の一端に形成された筒状部１１
は、ピストン３のストロークをカバーするに足る長さだ
け装置ボディ１２の外部（こ突出しており、その内部に
ブレーキペダル１３と連結された入力軸１４を挿入し、
ピストン３（こ係合するとともに、筒状部１１と装置ボ
ディ１２の間に伸縮自在のブーツ１５を装着している。Cylindrical part 11 formed at one end of piston 3 of booster 1
The input shaft 14 protrudes from the outside of the device body 12 by a length sufficient to cover the stroke of the piston 3, and the input shaft 14 connected to the brake pedal 13 is inserted into the inside thereof.
A retractable boot 15 is installed between the piston 3 and the cylindrical portion 11 and the device body 12.

また入力軸１４には踏力センサ１６を取付け、その検出
信号をコンピュータへ入力するためのリード線１７が取
付板１８のコネクタ１９まで引出されている。Further, a pedal force sensor 16 is attached to the input shaft 14, and a lead wire 17 for inputting the detection signal to the computer is drawn out to a connector 19 of the mounting plate 18.

（ハ）発明（こよって解決しようとする問題点」二記の
よう１こ、従来のブレーキ倍力装置１においては、踏力
センサ１６のリード線１７を図のように取付板１日に設
けたコネクタ１９まで引き回している。人力軸１４はブ
レーキ操作のたび（こ往復動する部分であるから、リー
ド線１７の一端もその動きに追従して移動する。そのた
め、ブレーキ作動時Ｉこリード線１７が倍力装置１やブ
レーキペダル１３の一部に干渉し、断線の原因となる。(C) Invention (Problems to be Solved by This)" 1. In the conventional brake booster 1, the lead wire 17 of the pedal force sensor 16 is provided on the mounting plate 1 as shown in the figure. The human power shaft 14 is a part that moves back and forth every time the brake is operated, so one end of the lead wire 17 also moves following the movement. Therefore, when the brake is operated, the lead wire 17 moves back and forth. interferes with a part of the booster 1 and the brake pedal 13, causing wire breakage.

また、上記のコネクタ１９をブーツ１５やブレーキペダ
ル１３（こ固定する方法も考えられるが、このようにす
ると、ブレーキ作動時に固定部以外のリード線の部分に
たわみを生じ、周辺の部組に当たる間頓がある。Another option is to fix the connector 19 to the boot 15 or the brake pedal 13, but in this case, when the brake is applied, the lead wire other than the fixed part will be bent, and the lead wire will bend while hitting the surrounding parts. There is a problem.

以上のよう（こ、従来は踏力センサ１６のリード線１７
を固定する手段に上記のごとき問題があった。As described above (conventionally, the lead wire 17 of the pedal force sensor 16
There was a problem with the means for fixing it as mentioned above.

（ロ）　問題点を解決するための手段 この発明は、上記の問題点を解決するために。(b) Means to solve the problem This invention aims to solve the above problems.

ブーツ（こらせん形のひだを設け、そのひだに沿ってリ
ード線を配線する構成としたものである。A boot (has spiral-shaped folds and a lead wire is routed along the folds).

（ホ）　実施例 第２図に示す実施例は、この発明の特徴部分であるブー
ツ１５′の構造とリードＩ￥ＩＩｊ！１７’の配線の仕
方以外の点を除くと他はピストン３，４の連結構造、ピ
ストン３の戻しバネの有無において第１図の場合と若干
の相違あるが、これらの部分はこの発明の要旨とする構
造と関係がないので、実質的な差はない。そこで、同一
部分１こついては第１図のものと同一符号を付ける１こ
とどめ、その説明を省略する。(E) Embodiment The embodiment shown in FIG. 2 has the structure of the boot 15' and the lead I\IIj!, which are the characteristic parts of the present invention. Except for the wiring method of 17', there are some differences from the case shown in Fig. 1 in the connecting structure of the pistons 3 and 4 and the presence or absence of a return spring for the piston 3, but these parts are the gist of the present invention. Since it has nothing to do with the structure, there is no real difference. Therefore, the same parts will be given the same reference numerals as those in FIG. 1, and their explanation will be omitted.

ところで、この発明の場合のブーツ１５′は、ピストン
３の筒状部１１に装着される一端から、ボディ１２に装
着される他端１こわたり、らせん形のひだ２０が設けら
れている。また第３図に示すように、その谷部２１にリ
ード線１７′を嵌入する支持溝２２を設け、踏力センサ
１６から引出したリード線１７′をその溝２２に嵌め、
谷部２１に沿って一端から他端にわたり配線し、これを
取付板１Ｂ上のコネクタ１９（こ接続している。By the way, the boot 15' according to the present invention is provided with a spiral fold 20 extending from one end attached to the cylindrical portion 11 of the piston 3 to the other end attached to the body 12. Further, as shown in FIG. 3, a support groove 22 into which the lead wire 17' is inserted is provided in the trough 21, and the lead wire 17' drawn out from the pedal force sensor 16 is fitted into the groove 22.
Wiring is conducted from one end to the other along the trough 21, and this is connected to the connector 19 on the mounting plate 1B.

なお、リード線１７′は上記のように谷部２１の底１こ
配線することが最も安定しているが、谷部２１の傾斜面
に沿わせて配線しても差支えない。Although it is most stable to wire the lead wire 17' along the bottom of the trough 21 as described above, it may also be wired along the slope of the trough 21.

いずれにしても、リード線１７′はブーツ１５′のひだ
２０に沿って配線され、その伸縮に応じて一体１こ移動
する。In any case, the lead wire 17' is wired along the folds 20 of the boot 15', and moves integrally as the lead wire 17' expands and contracts.

（へ）効果 以上のように、この発明はブーツ１こらせん状のひだを
設け、踏力センサのリード線を七のひだｌこ沿って配線
することにより、リード線をブーツの伸縮と一体に移動
するよう１こしたので、他の部分と干渉したり、リード
線が鋭く曲がることがなく、断線等の支障の無い配線と
することができる。(F) Effect As described above, this invention provides the first spiral fold in the boot and wires the lead wire of the pedal force sensor along the seventh fold, so that the lead wire moves together with the expansion and contraction of the boot. Since the lead wire is strained so that it does not interfere with other parts or bend sharply, the wiring can be wired without problems such as disconnection.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の装置の断面図、％２図はこの発明の実施
例の断面図、第３図は第２図の一部拡大断面図である。 １・・・ブレーキ倍力装置、２・・・ブレーキ液圧発生
装置、３・・・ピストン、１１・・・筒状部、１４・・
・入力軸、１５′・・・ブーツ、１６・・・踏力センサ
、１７′・・・リード線、２０・・・ひだ、２１・・・
谷部、２２・・・支持溝特許出願人　　住友電気工業株
式会社 同　　代理人　　鎌　　１）　文　　二特開昭５９−２
２７５５５（３）FIG. 1 is a sectional view of a conventional device, FIG. 2 is a sectional view of an embodiment of the present invention, and FIG. 3 is a partially enlarged sectional view of FIG. 2. DESCRIPTION OF SYMBOLS 1... Brake booster, 2... Brake fluid pressure generator, 3... Piston, 11... Cylindrical part, 14...
・Input shaft, 15'... Boot, 16... Pedal force sensor, 17'... Lead wire, 20... Crease, 21...
Tanibe, 22...Support groove Patent applicant: Sumitomo Electric Industries, Ltd. Agent: Kama 1) Article 2 Japanese Patent Application Publication No. 1983-2
27555 (3)

Claims (2)

【特許請求の範囲】[Claims] （１）　　ブレーキペダルと連結した入力軸を装置ボデ
ィから突出したピストンの一部１こ挿入し、上記入力軸
に踏力センサを取付けるととも１こ、上記ピストンの突
出部と装置ボディとの間１こ伸縮自在のブーツを装着し
たブレーキ倍力装置において、上記ブーツ１こらせん形
のひだを設け、踏力センサのリード線をそのひだ１こ沿
って配線したことを特徴とするブレーキ倍力装置。(1) Insert the input shaft connected to the brake pedal into a part of the piston protruding from the device body, and attach the pedal force sensor to the input shaft. This brake booster is equipped with a retractable boot, characterized in that the boot is provided with a spiral fold, and a lead wire of a pedal force sensor is routed along one of the folds. （２）上記ブーツに設けたひだの谷部（こリード線支持
溝を設け、上記リード線をその支持溝に嵌めて配線した
ことを特徴とする特許請求の範囲第１項（こ記載のブレ
ーキ倍力装置。(2) Claim 1 (claim 1) characterized in that a lead wire support groove is provided in the trough of the pleat provided in the boot, and the lead wire is fitted into the support groove and wired. booster.
JP10241183A 1983-06-06 1983-06-06 Brake booster Pending JPS59227555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10241183A JPS59227555A (en) 1983-06-06 1983-06-06 Brake booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10241183A JPS59227555A (en) 1983-06-06 1983-06-06 Brake booster

Publications (1)

Publication Number Publication Date
JPS59227555A true JPS59227555A (en) 1984-12-20

Family

ID=14326693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10241183A Pending JPS59227555A (en) 1983-06-06 1983-06-06 Brake booster

Country Status (1)

Country Link
JP (1) JPS59227555A (en)

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