JPS6232933Y2 - - Google Patents
Info
- Publication number
- JPS6232933Y2 JPS6232933Y2 JP3029084U JP3029084U JPS6232933Y2 JP S6232933 Y2 JPS6232933 Y2 JP S6232933Y2 JP 3029084 U JP3029084 U JP 3029084U JP 3029084 U JP3029084 U JP 3029084U JP S6232933 Y2 JPS6232933 Y2 JP S6232933Y2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- reservoir
- cylinder
- cylinder part
- recess
- 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
- 210000000078 claw Anatomy 0.000 description 26
- 238000009434 installation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Description
【考案の詳細な説明】
本考案は、自動車のブレーキ装置のマスタシリ
ンダ、特に、レザーバとシリンダ部の内部との連
絡をレザーバ用継手を介して行うようにしたマス
タシリンダに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a master cylinder for an automobile brake system, and particularly to a master cylinder in which communication between a reservoir and the inside of a cylinder portion is established via a reservoir joint.
従来より、この種のものとして、シリンダ部
に、シリンダ部の内部に連絡する凹所を形成する
環状突起を形成し、この環状突起に略Ｌ字状を呈
するレザーバ用継手の下端部を回動可能に密嵌
し、このレザーバ用継手を介してレザーバとシリ
ンダ部の内部とを連絡するようにしたものが知ら
れており、特に、レザーバ用継手を前記凹所にね
じで、取付けているものがある。 Conventionally, as this type of device, an annular protrusion forming a recess communicating with the inside of the cylinder part is formed in the cylinder part, and the lower end of the approximately L-shaped reservoir joint is rotated on the annular protrusion. It is known that the reservoir and the inside of the cylinder part are connected through the reservoir joint, and the reservoir joint is attached to the recess with a screw. There is.
しかしながら、単に継手を凹所にねじ込むので
は、継手が通常合成樹脂材料から形成されること
にも基因して、ねじ込み時に破損されるといつた
問題がある。 However, if the joint is simply screwed into the recess, there is a problem that the joint may be damaged when screwed in, also because the joint is usually made of a synthetic resin material.
このため、継手自体を直接シリンダ部の凹所に
固定するのではなく、別の固定部材を用い、継手
を凹所に単に嵌め込み、固定部材で取付けを確保
することが考えられるが、継手を取付けるにあた
つて、しつかりとシリンダ部に取付けられない
と、自動車の走行時に受ける振動により動き、取
付け部分が損傷するという問題がある。更に、こ
うした場合、継手と凹所との嵌め合い部分は、
各々の作成上の都合から、断面形状で円形状にす
ることが望まれ、かつまた、継手とこれに接続す
るホースとの接続方向が車種に応じて異なる場
合、継手の凹所に対する取付け方向を自由に設定
できるようにするため、継手と凹所とが互いに回
動可能とすることからも望まれるものの、前述し
た如く、振動により動いて破損することを防止す
ることが必要となる。 For this reason, instead of fixing the fitting itself directly into the recess of the cylinder part, it is possible to use another fixing member and simply fit the fitting into the recess and secure the attachment with the fixing member, but when the fitting is installed If it is not firmly attached to the cylinder part, it will move due to the vibrations received when the car is running, and the attached part will be damaged. Furthermore, in such a case, the fitting part between the joint and the recess is
Due to manufacturing considerations, it is desirable to have a circular cross-sectional shape, and if the direction of connection between the joint and the hose connected to it differs depending on the vehicle model, the direction of installation in the recess of the joint must be determined. Although it is desirable that the joint and the recess be able to rotate with respect to each other in order to be able to set them freely, it is necessary to prevent them from moving and being damaged due to vibration, as described above.
本考案は、以上の問題に鑑みて成され、レザー
バ用継手をしつかりと取付けられるようにしたマ
スタシリンダを提供することを目的として成さ
れ、前記レザーバ用継手の下端部側に、径外方に
延在して前記環状突起に上方から当接する膨出部
を設けるとともに、一端が前記シリンダ部に固定
され他端が前記環状突起よりも上方側で前記膨出
部に嵌まる取付具を設け、前記膨出部の上面側に
は切欠きを設け、前記取付具には、前記レザーバ
用継手の上下方向及び周方向の動きを制限可能に
前記切欠きに嵌まる突部を設けて成るものであ
る。 The present invention has been made in view of the above problems, and is intended to provide a master cylinder in which a reservoir joint can be securely attached. a bulge extending from above and abutting the annular protrusion from above, and a fitting having one end fixed to the cylinder part and the other end fitting into the bulge above the annular protrusion. , a notch is provided on the upper surface side of the bulge, and the fitting is provided with a protrusion that fits into the notch so as to restrict movement of the reservoir joint in the vertical and circumferential directions. It is.
以下、本考案を、図示の実施例に基き詳説す
る。 Hereinafter, the present invention will be explained in detail based on illustrated embodiments.
マスタシリンダ１はシリンダ部２、及び２個の
合成樹脂製のレザーバ用継手３及び薄鋼板製の取
付け具４等で構成されている。略Ｌ字状を呈する
継手３は上端部に通常ゴム製の接続管を嵌めてレ
ザーバに接続するためのものである。取付け具４
の一部は円筒状の案内５を形成し、これに継手３
を嵌入している。継手３の下端部側には、後述す
る環状突起１１に上方から当接する膨出部として
の大径部６が設けてあり、その大径部６に、１個
の継手３について２個の切欠きを設けて２個の凹
み７を形成しており、凹み７の下部には傾斜面８
を形成してある。傾斜面８の下側に続く継手３の
大径部６の外面は縁部９を形成している。 The master cylinder 1 is composed of a cylinder portion 2, two reservoir joints 3 made of synthetic resin, a fitting 4 made of thin steel plate, and the like. The approximately L-shaped joint 3 is used to fit a connecting tube, usually made of rubber, into the upper end of the joint 3 for connection to a reservoir. Mounting tool 4
forms a cylindrical guide 5, into which a joint 3 is attached.
It is embedded. A large diameter portion 6 is provided on the lower end side of the joint 3 as a bulge that contacts an annular protrusion 11 from above, which will be described later. A notch is provided to form two recesses 7, and an inclined surface 8 is provided at the bottom of the recess 7.
has been formed. The outer surface of the large diameter portion 6 of the joint 3 that continues below the inclined surface 8 forms an edge 9 .
取付け具４は、案内５をシリンダ部２の座板１
０の凹所１１ａを形成する環状突起１１（以下、
凸起１１という）に嵌入して、ねじ１２で座板１
０に取付けられている。案内５には１個の案内５
について２個の爪片１３が凹み７に嵌まる突部と
して形成され、この爪片１３は斜め下内方向に向
つて延びている。爪片１３は案内５を切り欠き内
側に折り曲げて形成され、その幅は継手３の凹み
７の幅より小さくしてある。爪片１３は幅が小さ
く薄鋼製であるので相当の弾性を有する。 The fixture 4 connects the guide 5 to the seat plate 1 of the cylinder section 2.
An annular protrusion 11 (hereinafter referred to as
(referred to as the protrusion 11), and then tighten the seat plate 1 with screws 12.
It is attached to 0. Guide 5 has one guide 5
Two claw pieces 13 are formed as protrusions that fit into the recesses 7, and these claw pieces 13 extend diagonally downward and inward. The claw piece 13 is formed by notching the guide 5 and bending it inward, and its width is smaller than the width of the recess 7 of the joint 3. Since the claw piece 13 has a small width and is made of thin steel, it has considerable elasticity.
凹み７の傾斜面８の傾斜角度は、爪片１３の先
端の弾性変形軌跡がこの傾斜面に交わるように設
定してある。換言すれば、爪片１３が凹み７の内
方に向つて変形すると、爪片１３の先端と傾斜面
との間の隙間が減少してゆき、かつ、爪片１３が
弾性変形を完了する以前に傾斜面に係合するよう
にしてある。 The angle of inclination of the inclined surface 8 of the recess 7 is set so that the locus of elastic deformation of the tip of the claw piece 13 intersects with this inclined surface. In other words, as the claw piece 13 deforms inwardly into the recess 7, the gap between the tip of the claw piece 13 and the inclined surface decreases, and before the claw piece 13 completes its elastic deformation. It is designed to engage with an inclined surface.
第３図は継手３が取付け具４に取り付けられた
状態を示し、継手３は爪片１３の弾性力及び爪片
１３と傾斜面８との楔作用によつて、大径部６の
下端面１４を座板１０の凸起１１の頂面１５に当
接させて押圧している。この凸起１１は、継手３
の下方への移動を制限する当接部３０としての機
能を有している。なお、継手３の最下端と、座板
１０の上面との間には図示しないが若かな隙間が
生じている。 FIG. 3 shows a state in which the joint 3 is attached to the fixture 4, and the joint 3 is attached to the lower end surface of the large diameter portion 6 by the elastic force of the claw piece 13 and the wedge action between the claw piece 13 and the inclined surface 8. 14 is pressed against the top surface 15 of the protrusion 11 of the seat plate 10. This protrusion 11 is the joint 3
It has a function as an abutment part 30 that restricts the downward movement of. Note that there is a small gap (not shown) between the lowermost end of the joint 3 and the upper surface of the seat plate 10.
継手３内は通路１６によつてシリンダ部２の液
圧発生室（図示していない。）と連通している。
座板１０と継手３との間には密封環１７が嵌めら
れている。なお、２０は取付け具４の案内５間に
設けた補強リムである。 The interior of the joint 3 communicates with a hydraulic pressure generating chamber (not shown) of the cylinder portion 2 through a passage 16.
A sealing ring 17 is fitted between the seat plate 10 and the joint 3. Note that 20 is a reinforcing rim provided between the guides 5 of the fixture 4.
シリンダ部２の継手３を取り付ける手順は次の
とおりである。 The procedure for attaching the joint 3 of the cylinder portion 2 is as follows.
すなわち、まず取付け具４を、その案内５がシ
リンダ部２の座板１０の凸起１１に嵌まるように
シリンダ部２の上面に載せ、ねじ１２を締めてシ
リンダ部２に取り付ける。この後、継手３を、凹
み７の真下に爪片１３が位置するように案内５に
嵌入し、縁部９が爪片１３に当接すると、爪片１
３の弾性力に抗して、これを押し開きながら継手
３の大径部６の下端面１４が座板１０の凸起１１
の頂面１５に当接するまで、継手３を押し込む。 That is, first, the fixture 4 is placed on the upper surface of the cylinder part 2 so that its guide 5 fits into the protrusion 11 of the seat plate 10 of the cylinder part 2, and the screw 12 is tightened to attach it to the cylinder part 2. After this, the joint 3 is inserted into the guide 5 so that the claw piece 13 is located directly below the recess 7, and when the edge 9 comes into contact with the claw piece 13, the claw piece 1
3, the lower end surface 14 of the large diameter portion 6 of the joint 3 is pushed open against the elastic force of the seat plate 10.
Push the joint 3 in until it comes into contact with the top surface 15 of.
爪片１３は、縁部９を越えると、弾性恢復力に
よつて原形に復しようとして傾斜面８上を傾斜面
８との間の隙間を徐々に減少させながら変形して
ゆき、遂には、途中で傾斜面と接触して摩擦係合
し、第３図に示すように停止する。この状態で
は、爪片１３は未だ弾性変形状態を保つており、
前述のように、その弾性恢復力の楔作用によつて
継手３をシリンダ部２に押圧し固定する。 When the claw piece 13 crosses the edge 9, it tries to return to its original shape due to elastic recovery force and deforms on the slope surface 8 while gradually reducing the gap between it and the slope surface 8, and finally, On the way, it comes into contact with an inclined surface, engages it in friction, and stops as shown in FIG. In this state, the claw piece 13 still maintains an elastically deformed state,
As described above, the joint 3 is pressed and fixed against the cylinder portion 2 by the wedge action of the elastic restoring force.
この取付けられた状態で、凹み７と爪片１３と
は継手３の回動を所定値以内に制限する凹凸を形
成し、更に、爪片１３は、継手３の抜け止め手段
を構成している。 In this attached state, the recess 7 and the claw piece 13 form unevenness that limits the rotation of the joint 3 within a predetermined value, and the claw piece 13 also constitutes means for preventing the joint 3 from coming off. .
以上の実施例によれば次のような効果を奏す
る。 According to the above embodiment, the following effects are achieved.
(1) 取付け具４をシリンダ部２に取り付けた後
は、レザーバ用継手３を、取付け具４の案内５
に嵌合させ押し込むだけでシリンダ部２に取り
付けることができるので、取付けが容易であ
り、レザーバ用継手３が取付け工具によつて傷
つくことがなく、これらの形状を必要に応じ自
由に選択することができる。(1) After attaching the fixture 4 to the cylinder part 2, connect the reservoir joint 3 to the guide 5 of the fixture 4.
Since it can be attached to the cylinder part 2 by simply fitting it and pushing it in, installation is easy, and the reservoir joint 3 will not be damaged by the installation tool, and these shapes can be freely selected as necessary. I can do it.
(2) 取付け具４は、ねじ１２でシリンダ部２に取
り付け、レザーバ用継手３は取付け具４の爪片
１３でシリンダ部２に押圧させているので、レ
ザーバ用継手３の取付けを十分強固に行うこと
ができる。(2) The attachment 4 is attached to the cylinder part 2 with screws 12, and the reservoir joint 3 is pressed against the cylinder part 2 by the claws 13 of the attachment 4, so the installation of the reservoir joint 3 is sufficiently strong. It can be carried out.
(3) レザーバ用継手３をシリンダ部２に取り付け
た後は、凹み７と爪片１３との嵌め合いによる
摩擦力によつて及び凹み７と爪片１３との嵌め
合いによつてレザーバ用継手３が取付け面上で
所定の範囲を越えて回転しない。(3) After the reservoir joint 3 is attached to the cylinder part 2, the reservoir joint is closed by the frictional force caused by the fit between the recess 7 and the claw piece 13, and by the fit between the recess 7 and the claw piece 13. 3 does not rotate beyond the specified range on the mounting surface.
(4) レザーバ用継手３は、傾斜面８に係合する爪
片１３と、シリンダ部２側の当接部３０との間
で隙間なく抜け止め固定されるので、レザーバ
用継手３がガタつくこともなく損傷等を防止す
るとともに、密封環１７の密封能力を損うこと
もない。(4) Since the reservoir joint 3 is fixed without any gap between the claw piece 13 that engages with the inclined surface 8 and the abutment part 30 on the cylinder part 2 side, the reservoir joint 3 does not wobble. This prevents damage and the like without impairing the sealing ability of the sealing ring 17.
なお、上述の実施例において、凹み又は爪片の
数又は位置を適当に定めて、レザーバ用継手の取
付け方向を何通りかに設定することができる。 In addition, in the above-mentioned embodiment, the number or position of the recesses or claw pieces can be appropriately determined, and the attachment direction of the reservoir joint can be set in several ways.
すなわち、凹み及び爪片を各々取付け面に平行
な面上で案内の中心を中心として120゜間隔の３
箇所に形成すると、取付け方向は120゜間隔３通
りに設定することができる。同様に凹みを60゜間
隔の６箇所に、爪片を180゜間隔の２箇所に形成
すると、取付け方向は60゜間隔６通りに設定する
ことができる。前述の第１の実施例では、凹み及
び爪片を各々180゜間隔の２箇所に形成している
ので取付け方向は２通りである。 In other words, the recesses and claw pieces are each spaced 3 times apart at 120° intervals around the center of the guide on a plane parallel to the mounting surface.
When formed at a location, the mounting direction can be set in three ways at 120° intervals. Similarly, if the recesses are formed at 6 locations at 60° intervals and the claw pieces are formed at 2 locations at 180° intervals, the mounting direction can be set in 6 ways at 60° intervals. In the first embodiment described above, since the recesses and the claw pieces are each formed at two locations 180° apart, there are two mounting directions.
また、継手３は、座板１０を使用しない形式の
マスタシリンダのシリンダ部に直接嵌め込むよう
にしてもよいこと勿論であり、更に、各部材の具
体的形状の変更も可能である。 Furthermore, it goes without saying that the joint 3 may be directly fitted into the cylinder portion of a master cylinder that does not use the seat plate 10, and furthermore, the specific shape of each member may be changed.
以上の説明から明かな如く、本考案によれば、
レザーバ用継手の下端部側に径外方に延在して環
状突起に上方から当接する膨出部を設けると共
に、一端がシリンダ部に固定され他端が環状突起
よりも上方側で膨出部に嵌まる取付具を設け、膨
出部の上面側には切欠きを、取付具には、レザー
バ用継手の上下方向及び周方向の動きを制限可能
に切欠きに嵌まる突部を、それぞれ設けたから、
レザーバ用継手の回動制限手段と抜け止め手段を
別々に設けなくても、取付後の回動制限及び抜け
止めがなされ、継手を損傷を生じないように、環
状突起に密嵌させてしつかりと固定することがで
きる。また、略Ｌ字状を呈する継手は、その下端
部が取付け具により回動を制限されるものの、シ
リンダ部の凹所には回動可能に嵌め込まれるの
で、シリンダ部に対する上端部の向き（レザーバ
へ接続するホースの取付け方向）は自由に設定で
き、突部の位置を筒状部周方向に変更した取付具
を用意するだけで、あるいは切欠きと突部との組
合せを選択できるように切欠きを継手に多数設け
ることなどによつて、他車種のものへ同一の継手
を兼用することができる。 As is clear from the above explanation, according to the present invention,
A bulge portion is provided on the lower end side of the reservoir joint that extends radially outward and abuts the annular projection from above, and one end is fixed to the cylinder portion and the other end is the bulge portion above the annular projection. A notch is provided on the top side of the bulge, and a protrusion that fits into the notch so as to restrict vertical and circumferential movement of the reservoir joint is provided. Because we set it up,
Even if the rotation limiting means and the retaining means of the reservoir joint are not provided separately, the rotation can be restricted and the retainer can be prevented from coming off after installation, and the joint can be tightly fitted into the annular protrusion to prevent damage. It can be fixed. Furthermore, although the lower end of the approximately L-shaped joint is restricted from rotating by the fitting, it is rotatably fitted into the recess of the cylinder, so the orientation of the upper end with respect to the cylinder (reservoir The direction in which the hose is connected to the tube can be freely set by simply preparing a fitting with the protrusion positioned in the circumferential direction of the cylindrical part, or by installing a notch so that the combination of the notch and the protrusion can be selected. By providing multiple notches in the joint, the same joint can be used for other vehicle models.
第１図は、本考案の一実施例であるマスタシリ
ンダの平面図、第２図はその側面図、第３図は、
第１図−断面図の要部を示す図である。
１……マスタシリンダ、２……シリンダ部、３
……レザーバ用継手、４……取付け具、５……案
内、６……大径部、７……凹み、１３……爪片。
Fig. 1 is a plan view of a master cylinder which is an embodiment of the present invention, Fig. 2 is a side view thereof, and Fig. 3 is a
FIG. 1 is a cross-sectional view showing the main parts. 1... Master cylinder, 2... Cylinder section, 3
... Reservoir joint, 4 ... Mounting tool, 5 ... Guide, 6 ... Large diameter section, 7 ... Recess, 13 ... Claw piece.
Claims (1)
所を形成する環状突起を形成し、この環状突起に
略Ｌ字状を呈するレザーバ用継手の下端部を回動
可能に密嵌し、このレザーバ用継手を介してレザ
ーバとシリンダ部の内部とを連絡するようにした
マスタシリンダにおいて、前記レザーバ用継手の
下端部側に、径外方に延在して前記環状突起に上
方から当接する膨出部を設けるとともに、一端が
前記シリンダ部に固定され他端が前記環状突起よ
りも上方側で前記膨出部に嵌まる取付具を設け、
前記膨出部の上面側には切欠きを設け、前記取付
具には、前記レザーバ用継手の上下方向及び周方
向の動きを制限可能に前記切欠きに嵌まる突部を
設けて成るマスタシリンダ。 An annular protrusion forming a recess communicating with the inside of the cylinder part is formed in the cylinder part, and the lower end of the approximately L-shaped reservoir joint is rotatably and tightly fitted into the annular protrusion. In a master cylinder that communicates between a reservoir and the inside of a cylinder portion via a joint, a bulge portion is provided on a lower end side of the reservoir joint that extends radially outward and abuts the annular projection from above. and a fitting whose one end is fixed to the cylinder part and whose other end fits into the bulge above the annular protrusion,
A master cylinder, wherein a notch is provided on the upper surface side of the bulging portion, and a protrusion that fits into the notch so as to limit the movement of the reservoir joint in the vertical and circumferential directions is provided in the master cylinder. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3029084U JPS59176267U (en) | 1984-03-01 | 1984-03-01 | master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3029084U JPS59176267U (en) | 1984-03-01 | 1984-03-01 | master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59176267U JPS59176267U (en) | 1984-11-26 |
| JPS6232933Y2 true JPS6232933Y2 (en) | 1987-08-22 |
Family
ID=30161156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3029084U Granted JPS59176267U (en) | 1984-03-01 | 1984-03-01 | master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176267U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0453508Y2 (en) * | 1988-07-25 | 1992-12-16 |
-
1984
- 1984-03-01 JP JP3029084U patent/JPS59176267U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59176267U (en) | 1984-11-26 |
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