JP2009132394A - Vehicular brake hydraulic control device - Google Patents

Vehicular brake hydraulic control device Download PDF

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JP2009132394A
JP2009132394A JP2009071990A JP2009071990A JP2009132394A JP 2009132394 A JP2009132394 A JP 2009132394A JP 2009071990 A JP2009071990 A JP 2009071990A JP 2009071990 A JP2009071990 A JP 2009071990A JP 2009132394 A JP2009132394 A JP 2009132394A
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reservoir
hole
housing
connector
control device
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JP5022397B2 (en
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Masatoshi Iyatani
正俊 袰谷
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Nissin Kogyo Co Ltd
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Nissin Kogyo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular brake hydraulic control device capable of excellently maintaining adhesion between a connector connecting part of a housing and a connector. <P>SOLUTION: A reservoir venting route and a housing venting route are formed in a substrate 100, and a connector venting route 430 is formed in the connector connecting part 412 of the housing 400. A storage chamber K3 formed by the substrate 100 and the housing 400 is communicated to a spring chamber within a reservoir through the reservoir venting route, is communicated to the outside of the storage chamber K3 through the housing venting route, and is communicated to the inner space of the connector through the connector venting route 430. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、車両用ブレーキ液圧制御装置に関する。   The present invention relates to a vehicle brake hydraulic pressure control device.

車輪ブレーキのホイールシリンダに作用するブレーキ液圧を制御可能な車両用ブレーキ液圧制御装置であって、ホイールシリンダから放出されたブレーキ液を一時的に貯留するリザーバを備えた車両用ブレーキ液圧制御装置が知られている。   A brake fluid pressure control device for a vehicle capable of controlling a brake fluid pressure acting on a wheel cylinder of a wheel brake, the vehicle brake fluid pressure control including a reservoir for temporarily storing brake fluid released from the wheel cylinder The device is known.

このような車両用ブレーキ液圧制御装置としては、例えば特許文献1に開示されたものがある。この車両用ブレーキ液圧制御装置は、図11に示すように、有底円筒状のリザーバ穴110’を有する基体100’と、リザーバ穴110’に摺動自在に挿入されるリザーバピストン1’と、このリザーバピストン1’をリザーバ穴110’の底面側に付勢するリザーバばね2’と、このリザーバばね2’を支持する受け部材3’と、この受け部材3’のリザーバ穴110’からの抜け出しを阻止する抜け止部材4’と、を備えて構成されている。なお、リザーバピストン1’と受け部材3’との間には、リザーバばね2’を収容するばね室K1’が形成されている。この車両用ブレーキ液圧制御装置においては、リザーバ穴110’の底面にブレーキ液の流入孔が開口しており、リザーバ穴110’にブレーキ液が流入すると、リザーバピストン1’がリザーバ穴110’の開口部側に摺動移動し、リザーバピストン1’とリザーバ穴110’とにより形成された空間にブレーキ液が貯留されることになる。   An example of such a vehicle brake hydraulic pressure control device is disclosed in Patent Document 1. As shown in FIG. 11, the vehicle brake hydraulic pressure control device includes a base body 100 ′ having a bottomed cylindrical reservoir hole 110 ′, and a reservoir piston 1 ′ slidably inserted into the reservoir hole 110 ′. , A reservoir spring 2 ′ for urging the reservoir piston 1 ′ toward the bottom surface side of the reservoir hole 110 ′, a receiving member 3 ′ for supporting the reservoir spring 2 ′, and the reservoir member 110 ′ from the reservoir hole 110 ′. And a retaining member 4 ′ for preventing the slipping out. A spring chamber K1 'for accommodating the reservoir spring 2' is formed between the reservoir piston 1 'and the receiving member 3'. In this vehicle brake fluid pressure control device, a brake fluid inflow hole is opened at the bottom surface of the reservoir hole 110 ′, and when the brake fluid flows into the reservoir hole 110 ′, the reservoir piston 1 ′ The brake fluid is slid and moved to the opening side, and the brake fluid is stored in a space formed by the reservoir piston 1 ′ and the reservoir hole 110 ′.

リザーバピストン1’がリザーバ穴110’の開口部側に摺動移動すると、ばね室K1’の容積が減少することになるが、特許文献1の基体100’には、その表面101’とリザーバ穴110’の内周面111’とに開口するリザーバ通気路120’が形成されていて、ばね室K1’と基体100’の外部とが連通しているので、ばね室K1’の容積が減少しても、ばね室K1’内の気圧が高まることはなく、その結果、リザーバピストン1’がスムーズに摺動することになる。   When the reservoir piston 1 ′ slides and moves to the opening side of the reservoir hole 110 ′, the volume of the spring chamber K1 ′ decreases. However, the base body 100 ′ of Patent Document 1 includes the surface 101 ′ and the reservoir hole. A reservoir vent passage 120 ′ that opens to the inner peripheral surface 111 ′ of 110 ′ is formed, and the spring chamber K1 ′ communicates with the outside of the base body 100 ′, so that the volume of the spring chamber K1 ′ is reduced. However, the air pressure in the spring chamber K1 ′ does not increase, and as a result, the reservoir piston 1 ′ slides smoothly.

なお、リザーバ通気路を介してばね室と基体の外部とを連通させた車両用ブレーキ液圧制御装置としては、特許文献2に開示されたものも知られている。   As a vehicular brake hydraulic pressure control device in which the spring chamber and the outside of the base are communicated with each other through a reservoir ventilation path, the one disclosed in Patent Document 2 is also known.

特開2005−289210号公報JP 2005-289210 A 特開平11−99924号公報JP-A-11-99924

本発明は、ハウジングのコネクタ接続部とコネクタとの密着性を良好に保つことが可能な車両用ブレーキ液圧制御装置を提供することを課題とする。   An object of the present invention is to provide a vehicular brake hydraulic pressure control device capable of maintaining good adhesion between a connector connecting portion of a housing and a connector.

このような課題を解決する本発明は、有底円筒状のリザーバ穴を有する基体と、前記リザーバ穴に摺動自在に挿入されるリザーバピストンと、前記リザーバピストンを前記リザーバ穴の底面側に付勢するリザーバばねと、前記リザーバばねを支持する受け部材と、前記受け部材の前記リザーバ穴からの抜け出しを阻止する抜け止部材と、前記受け部材を覆うように配置され、前記リザーバ穴の開口部を密閉する蓋部材と、前記基体の前面側に組み付けられた組付部品と、前記組付部品を覆った状態で前記基体の前面に固着されたハウジングと、を備え、前記リザーバピストンと前記受け部材との間に、前記リザーバばねを収容するばね室が形成されている車両用ブレーキ液圧制御装置であって、前記基体には、その前面および前記リザーバ穴の内周面に開口するリザーバ通気路と、前記前面および前記前面以外の前記基体の表面に開口するハウジング通気路とが形成されており、前記ハウジングは、外部配線ケーブルの端部に設けられたコネクタが接続されるコネクタ接続部を備えており、前記コネクタ接続部には、前記ハウジングを貫通するコネクタ通気路が形成されており、前記基体と前記ハウジングとで形成された収納室が、前記リザーバ通気路を介して前記ばね室と連通しているとともに、前記ハウジング通気路を介して前記収納室の外部と連通しており、さらに、前記コネクタ通気路を介して前記コネクタの内部空間と連通している、ことを特徴とする。   The present invention for solving such a problem includes a base body having a bottomed cylindrical reservoir hole, a reservoir piston slidably inserted into the reservoir hole, and the reservoir piston attached to the bottom side of the reservoir hole. A reservoir spring that biases, a receiving member that supports the reservoir spring, a retaining member that prevents the receiving member from coming out of the reservoir hole, and an opening portion of the reservoir hole that is disposed so as to cover the receiving member A lid member for sealing the housing, an assembly part assembled to the front side of the base, and a housing fixed to the front surface of the base in a state of covering the assembly part, the reservoir piston and the receiver A brake fluid pressure control device for a vehicle in which a spring chamber for housing the reservoir spring is formed between the member and the base body, the front surface of the base body and the reservoir hole A reservoir vent path that opens to an inner peripheral surface and a housing vent path that opens to the surface of the base other than the front surface and the front surface are formed, and the housing is a connector provided at an end of an external wiring cable The connector connection portion is formed with a connector vent passage penetrating the housing, and a storage chamber formed by the base and the housing has the reservoir vent passage. In addition to communicating with the spring chamber via a passage, communicating with the outside of the storage chamber via the housing vent passage, and further communicating with the internal space of the connector via the connector vent passage. It is characterized by that.

本発明の車両用ブレーキ液圧制御装置によれば、コネクタの内部空間がコネクタ通気路、収納室およびハウジング通気路を介して外部と連通し、コネクタの内部空間の気圧が大気圧と同程度に保たれるようになるので、コネクタ接続部とコネクタとの密着性が良好に保たれるようになる。なお、外部配線ケーブルには、車両用ブレーキ液圧制御装置に電力を供給するための電源ケーブルや車両に備えられた各種センサや各種装置と情報を送受信するための通信ケーブルなどが含まれる。   According to the vehicle brake hydraulic pressure control device of the present invention, the internal space of the connector communicates with the outside through the connector air passage, the storage chamber, and the housing air passage, and the air pressure in the internal space of the connector is approximately the same as the atmospheric pressure. As a result, it is possible to maintain good adhesion between the connector connecting portion and the connector. The external wiring cable includes a power cable for supplying electric power to the vehicle brake hydraulic pressure control device, various sensors provided in the vehicle, a communication cable for transmitting / receiving information to / from various devices, and the like.

なお、リザーバピストンがリザーバ穴の開口部側に摺動移動すると、ばね室の容積が減少することになるが、ばね室と基体の外部とがリザーバ通気路を介して連通しているので、ばね室の容積が減少しても、ばね室内の気圧が高まることはなく、その結果、リザーバピストンがスムーズに摺動することになる。   When the reservoir piston slides and moves toward the opening of the reservoir hole, the volume of the spring chamber is reduced. However, since the spring chamber and the outside of the base are in communication with each other through the reservoir vent passage, the spring Even if the volume of the chamber decreases, the air pressure in the spring chamber does not increase, and as a result, the reservoir piston slides smoothly.

また、本発明の車両用ブレーキ液圧制御装置によれば、基体の前面に現れるリザーバ通気路の開口部がハウジングによって覆われるので、リザーバ通気路への水や埃等の浸入を防ぐことができる。なお、本発明においては、基体の表面のうち、ハウジングが組み付けられる表面を「前面」と称することとする。   Further, according to the vehicle brake fluid pressure control device of the present invention, the opening of the reservoir vent path that appears on the front surface of the base is covered with the housing, so that intrusion of water, dust, or the like into the reservoir vent path can be prevented. . In the present invention, of the surfaces of the base body, the surface on which the housing is assembled is referred to as “front surface”.

また、本発明の車両用ブレーキ液圧制御装置によれば、ハウジング通気路の働きによって、収納室内の気圧が大気圧と同程度に保たれることになるので、外部との圧力差に起因する変形がハウジングに生じ難くなり、その結果、基体とハウジングとの密着性が良好に保たれることになる。   Further, according to the vehicle brake hydraulic pressure control device of the present invention, the pressure in the storage chamber is maintained at the same level as the atmospheric pressure by the function of the housing air passage, which is caused by the pressure difference from the outside. Deformation hardly occurs in the housing, and as a result, good adhesion between the base and the housing is maintained.

なお、前記ハウジング通気路には、空気の出入りを許容しつつ水の出入りを阻止する透湿防水素材を装着することが望ましい。このようにすると、収納室への水等の浸入を防ぐことが可能となる。   In addition, it is desirable to attach a moisture-permeable waterproof material that allows air to enter and exit while preventing the water from entering and exiting the housing air passage. If it does in this way, it will become possible to prevent permeation of water etc. into a storage room.

本発明に係る車両用ブレーキ液圧制御装置が、前記基体の後面側に組み付けられたモータをさらに備えており、前記基体に、前記前面および前記後面に開口する端子孔が形成されており、かつ、前記端子孔に挿通されたモータバスバーを介して前記モータに電力が供給されている場合には、前記端子孔を介して前記収納室と前記モータの内部空間とを連通させるとよい。このようにすると、モータの内部空間が端子孔、収納室およびハウジング通気路を介して外部と連通し、モータの内部空間の気圧が大気圧と同程度に保たれるようになるので、モータの内部空間への水等の浸入を防ぐことが可能となる。なお、本発明においては、基体の表面のうち、ハウジングが組み付けられる表面(前面)の反対側の表面であってモータが組み付けられる表面を「後面」と称することとする。   The vehicle brake hydraulic pressure control device according to the present invention further includes a motor assembled on the rear surface side of the base body, the base body has terminal holes that open to the front surface and the rear surface, and When the electric power is supplied to the motor through the motor bus bar inserted into the terminal hole, the storage chamber and the internal space of the motor may be communicated with each other through the terminal hole. In this way, the internal space of the motor communicates with the outside through the terminal hole, the storage chamber, and the housing air passage, and the atmospheric pressure in the internal space of the motor is maintained at the same level as the atmospheric pressure. It is possible to prevent water and the like from entering the internal space. In the present invention, among the surfaces of the base body, the surface opposite to the surface (front surface) to which the housing is assembled and the motor is assembled is referred to as “rear surface”.

本発明においては、前記蓋部材に環状のシール部材を環装し、このシール部材によって前記蓋部材と前記リザーバ穴の内周面との間をシールするとよい。このようにすると、蓋部材の全周をかしめ固定しなくとも、リザーバ穴を密閉することが可能になるので、蓋部材をかしめ固定する際に基体にかかる負荷を低減することが可能になる。   In the present invention, an annular seal member may be mounted on the lid member, and the seal member may seal between the lid member and the inner peripheral surface of the reservoir hole. In this way, the reservoir hole can be sealed without caulking and fixing the entire periphery of the lid member, so that it is possible to reduce the load on the base body when caulking and fixing the lid member.

本発明においては、プレス加工により成形された部材を前記蓋部材としてもよい。この場合には、前記蓋部材に、前記受け部材に隙間をあけて対向する円板状の本体部と、前記本体部の周縁部に形成された挿入部と、前記挿入部から側方に向って張り出す平面視円帯状の張出部とを具備させ、前記挿入部の外周面と前記リザーバ穴の内周面との間に前記シール部材を配置し、前記リザーバ穴の開口縁部に前記張出部をかしめ固定するとよい。このようにすると、リザーバ穴の開口部を密閉しつつも、受け部材と蓋部材との間に隙間を確保することができる。   In the present invention, a member formed by press working may be used as the lid member. In this case, the lid member has a disc-shaped main body portion facing the receiving member with a gap, an insertion portion formed at a peripheral edge of the main body portion, and a lateral direction from the insertion portion. And a projecting portion having a circular band shape in plan view, and the seal member is disposed between the outer peripheral surface of the insertion portion and the inner peripheral surface of the reservoir hole, and the opening edge of the reservoir hole The overhanging part should be fixed by caulking. If it does in this way, a crevice can be secured between a receiving member and a lid member, sealing an opening of a reservoir hole.

本発明に係る車両用ブレーキ液圧制御装置によると、ハウジングのコネクタ接続部とコネクタとの密着性を良好に保つことが可能になる。   According to the vehicle brake hydraulic pressure control device of the present invention, it is possible to maintain good adhesion between the connector connecting portion of the housing and the connector.

本発明の実施形態に係る車両用ブレーキ液圧制御装置を示す分解斜視図である。It is a disassembled perspective view which shows the brake fluid pressure control apparatus for vehicles which concerns on embodiment of this invention. 基体を後面側から見た斜視図である。It is the perspective view which looked at the base from the back side. 基体を前面側から見た斜視図である。It is the perspective view which looked at the base from the front side. 本発明の実施形態に係る車両用ブレーキ液圧制御装置を示す断面図である。It is sectional drawing which shows the brake fluid pressure control apparatus for vehicles which concerns on embodiment of this invention. (a)はハウジングを前面側から見た斜視図、(b)は後面側からみた斜視図である。(A) is the perspective view which looked at the housing from the front side, (b) is the perspective view seen from the rear side. コネクタ通気路を説明するための図であって、(a)はコネクタ接続部の後面図、(b)は側面図である。It is a figure for demonstrating a connector ventilation path, Comprising: (a) is a rear view of a connector connection part, (b) is a side view. リザーバおよびリザーバ通気路の構成を説明するための断面図である。It is sectional drawing for demonstrating the structure of a reservoir and a reservoir ventilation path. リザーバ穴の構成を説明するための断面図である。It is sectional drawing for demonstrating the structure of a reservoir hole. (a)は係止溝および受け部材の構成を説明するための拡大図、(b)は蓋部材の構成を説明するための拡大図である。(A) is an enlarged view for demonstrating the structure of a locking groove and a receiving member, (b) is an enlarged view for demonstrating the structure of a cover member. ハウジング通気路の構成を説明するための拡大断面図である。It is an expanded sectional view for demonstrating the structure of a housing ventilation path. 従来のリザーバの構成を示す拡大断面図である。It is an expanded sectional view which shows the structure of the conventional reservoir | reserver.

以下、本発明を実施するための最良の形態を、添付した図面を参照しつつ詳細に説明する。なお、以下の説明においては、アンチロック制御やトラクション制御などを行うことが可能な車両用ブレーキ液圧制御装置を例示する。   Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings. In the following description, a vehicle brake fluid pressure control device capable of performing anti-lock control, traction control, and the like will be exemplified.

まず、図1を参照して本実施形態に係る車両用ブレーキ液圧制御装置Uの構成を説明する。車両用ブレーキ液圧制御装置Uは、リザーバを構成するリザーバ構成部品R、往復動ポンプP、電磁弁Vなどの組付部品が組み付けられる基体100と、往復動ポンプPの動力源となるモータ(駆動手段)200と、電磁弁Vの開閉やモータ200の作動を制御する電子制御ユニット300と、この電子制御ユニット300を収容するハウジング400とを主に備えている。なお、以下の説明における「上下」は、図1の状態を基準とする。   First, the configuration of the vehicle brake hydraulic pressure control device U according to the present embodiment will be described with reference to FIG. The vehicle brake fluid pressure control device U includes a base body 100 on which assembly components such as a reservoir component R, a reciprocating pump P, and a solenoid valve V that constitute a reservoir are assembled, and a motor (a power source of the reciprocating pump P). Drive means) 200, an electronic control unit 300 that controls the opening and closing of the electromagnetic valve V and the operation of the motor 200, and a housing 400 that houses the electronic control unit 300. In the following description, “up and down” is based on the state of FIG.

基体100は、略直方体に形成される金属部品であり、その内部には流体であるブレーキ液の流路(油路)が形成されている。基体100の表面のうち、前面101には、電磁弁V,V,…や圧力センサSといった組付部品が装着される有底の取付穴151,151,…などが形成されており、上面103には、図示せぬ車輪ブレーキに至る配管が接続される四つの出口ポート152,152などが形成されている。   The base body 100 is a metal part formed in a substantially rectangular parallelepiped shape, and a flow path (oil path) for brake fluid, which is a fluid, is formed therein. Of the surface of the substrate 100, the front surface 101 is formed with bottomed mounting holes 151, 151,... To which assembly parts such as electromagnetic valves V, V,. Are formed with four outlet ports 152, 152, etc., to which pipes leading to wheel brakes (not shown) are connected.

図2に示すように、基体100の表面のうち、後面102には、図示せぬマスタシリンダに至る配管が接続される入口ポート153,153や図1に示すモータ200の出力軸210が収容される有底のモータ装着穴154などが形成されている。また、下面104には、図1に示すリザーバ構成部品Rが組付けられるリザーバ穴110や基体100を図示せぬマウントブラケットに固定する際に使用される固定穴156などが形成されており、側面105には、図1に示す往復動ポンプPが装着されるポンプ孔155などが形成されている。なお、ポンプ孔155は、モータ装着穴154に連通している。また、図1に示す取付穴151,151,…、出口ポート152および図2に示す入口ポート153、ポンプ孔155およびリザーバ穴110は、直接に、あるいは基体100の内部に形成された図示せぬ流路を介して互いに連通している。   As shown in FIG. 2, the rear surface 102 out of the surface of the base body 100 accommodates inlet ports 153 and 153 to which piping to a master cylinder (not shown) is connected and the output shaft 210 of the motor 200 shown in FIG. A bottomed motor mounting hole 154 and the like are formed. Further, the lower surface 104 is formed with a reservoir hole 110 in which the reservoir component R shown in FIG. 1 is assembled, a fixing hole 156 used when fixing the base body 100 to a mounting bracket (not shown), and the like. 105 is formed with a pump hole 155 to which the reciprocating pump P shown in FIG. The pump hole 155 communicates with the motor mounting hole 154. 1 and the outlet port 152 and the inlet port 153, the pump hole 155, and the reservoir hole 110 shown in FIG. 2 are formed directly or inside the base body 100 (not shown). They communicate with each other via a flow path.

さらに、基体100には、図3にも示すように、その前面101とリザーバ穴110とに開口するリザーバ通気路120と、前面101とこれ以外の基体100の表面(本実施形態では下面104)とに開口するハウジング通気路130と、基体100の前面101と後面102(図2参照)とに開口する端子孔140とが形成されている。   Further, as shown in FIG. 3, the base body 100 also has a reservoir vent passage 120 that opens to the front surface 101 and the reservoir hole 110, and the front surface 101 and other surfaces of the base body 100 (the lower surface 104 in this embodiment). A housing air passage 130 that opens to the front and a terminal hole 140 that opens to the front surface 101 and the rear surface 102 (see FIG. 2) of the base body 100 are formed.

図4に示すモータ200は、往復動ポンプP(図1参照)の動力源となるものであり、基体100の後面102側に一体的に固着されている。なお、モータ200と基体100の後面102との間には、無端状のシール部材214が介設されていて、モータ200と基体100の後面102との間にある空間への水等の浸入が防止されている。   The motor 200 shown in FIG. 4 serves as a power source for the reciprocating pump P (see FIG. 1), and is integrally fixed to the rear surface 102 side of the base body 100. An endless seal member 214 is interposed between the motor 200 and the rear surface 102 of the base body 100, so that water or the like can enter the space between the motor 200 and the rear surface 102 of the base body 100. It is prevented.

モータ200の出力軸210には、偏心軸部211が設けられていて、この偏心軸部211には、ボールベアリング212が嵌め込まれている。偏心軸部211およびボールベアリング212は、モータ装着穴154に挿入される。   An output shaft 210 of the motor 200 is provided with an eccentric shaft portion 211, and a ball bearing 212 is fitted into the eccentric shaft portion 211. The eccentric shaft portion 211 and the ball bearing 212 are inserted into the motor mounting hole 154.

出力軸210の上方には、図示せぬロータに電力を供給するためのモータバスバー220が接続されている。モータバスバー220は、端子孔140に挿通され、ハウジング400に設けられたターミナル415dに接続される。モータバスバー220の基端部は、モータ200のケースから突出する接続端子213に接続される。なお、接続端子213の周囲には、モータ200の内部空間に連通する隙間が形成されており、モータ200の内部空間は、接続端子213の周囲に形成された隙間、モータ200と基体100との間にある空間(シール部材214の内周側にある空間)および端子孔140を介して、基体100とハウジング400とで囲われた空間K3(以下、「収納室K3」と称する。)と連通している。   A motor bus bar 220 for supplying electric power to a rotor (not shown) is connected above the output shaft 210. The motor bus bar 220 is inserted into the terminal hole 140 and connected to a terminal 415 d provided in the housing 400. A base end portion of the motor bus bar 220 is connected to a connection terminal 213 protruding from the case of the motor 200. A gap communicating with the internal space of the motor 200 is formed around the connection terminal 213, and the internal space of the motor 200 is formed between the gap formed around the connection terminal 213, the motor 200 and the base body 100. A space K3 surrounded by the base body 100 and the housing 400 (hereinafter referred to as “storage chamber K3”) is communicated via a space between them (a space on the inner peripheral side of the seal member 214) and the terminal hole 140. is doing.

電子制御ユニット300は、電子回路がプリントされた基板に半導体チップ等が搭載されてなるものであり、圧力センサSや図示せぬ車輪速度センサといった各種センサから得られた情報や予め記憶させておいたプログラム等に基づいて、電磁弁Vの開閉やモータ200の作動を制御する。   The electronic control unit 300 is formed by mounting a semiconductor chip or the like on a substrate on which an electronic circuit is printed. Information obtained from various sensors such as a pressure sensor S and a wheel speed sensor (not shown) is stored in advance. The opening / closing of the solenoid valve V and the operation of the motor 200 are controlled on the basis of the stored program or the like.

ハウジング400は、電磁弁Vや圧力センサS(図1参照)などの組付部品を覆った状態で基体100の前面101に一体的に固着されるものであり、基体100とともに収納室K3を形成する。本実施形態に係るハウジング400は、ハウジング本体410と、このハウジング本体410に覆設されるハウジングカバー420とを備えて構成されている。   The housing 400 is integrally fixed to the front surface 101 of the base body 100 so as to cover assembly parts such as the electromagnetic valve V and the pressure sensor S (see FIG. 1), and forms a storage chamber K3 together with the base body 100. To do. The housing 400 according to the present embodiment includes a housing main body 410 and a housing cover 420 that covers the housing main body 410.

ハウジング本体410は、図5の(a)および(b)に示すように、前記した組付部品を取り囲む囲繞部411と、この囲繞部411の側方に配置されたコネクタ接続部412と、囲繞部411およびコネクタ接続部412の前側に形成された基板収容部413と、囲繞部411と基板収容部413とを仕切る支持板部414とを備えて構成されている。なお、図5においては、ハウジングカバー420の図示を省略している。   As shown in FIGS. 5A and 5B, the housing main body 410 includes a surrounding portion 411 that surrounds the above-described assembly component, a connector connecting portion 412 that is disposed on the side of the surrounding portion 411, and a surrounding portion. The board accommodating part 413 formed on the front side of the part 411 and the connector connecting part 412, and the support plate part 414 that partitions the surrounding part 411 and the board accommodating part 413 are configured. In FIG. 5, the housing cover 420 is not shown.

囲繞部411は、基体100の前面101から突出する電磁弁Vや圧力センサS(図4参照)などを収納する空間(収納室K3の一部)を形成する部位であり、周壁411aと、基体100の前面101(図4参照)の外周縁に当接するフランジ411bと、このフランジ411bの内周に沿って配置された無端状のシール部材411c(図5の(b)参照)とを備えて構成されている。シール部材411cは、基体100の前面101(図4参照)に密着し、基体100とハウジング400との間をシールする。なお、フランジ411bの適所には、インサート成形された筒状部材によって補強された取付孔411d,411d,…が形成されている。   The surrounding portion 411 is a part that forms a space (a part of the storage chamber K3) for storing the electromagnetic valve V, the pressure sensor S (see FIG. 4) and the like protruding from the front surface 101 of the base body 100, and the peripheral wall 411a, the base body A flange 411b that contacts the outer peripheral edge of the front surface 101 (see FIG. 4) of the 100, and an endless seal member 411c (see FIG. 5 (b)) disposed along the inner periphery of the flange 411b. It is configured. The seal member 411 c is in close contact with the front surface 101 (see FIG. 4) of the base body 100 and seals between the base body 100 and the housing 400. Note that mounting holes 411d, 411d,... Reinforced by insert-molded cylindrical members are formed at appropriate positions of the flange 411b.

コネクタ接続部412は、図示せぬ外部配線ケーブルの端部に設けられたコネクタが接続される部位であり、図5の(b)に示すように、底壁の外面(外部に露出している面)から立ち上がる接続端子412b,412b,…と、この接続端子412b,412b,…を取り囲む周壁412aと、を備えて構成されている。接続端子412bは、コネクタ接続部412の底壁を通って基板収容部413に導出される(図5の(a)参照)。   The connector connecting portion 412 is a portion to which a connector provided at an end of an external wiring cable (not shown) is connected, and as shown in FIG. 5B, the outer surface of the bottom wall (exposed to the outside). And the peripheral wall 412a surrounding the connection terminals 412b, 412b,... The connection terminal 412b is led out to the substrate housing portion 413 through the bottom wall of the connector connection portion 412 (see FIG. 5A).

コネクタ接続部412には、図6の(a)および(b)に示すように、ハウジング400を貫通するコネクタ通気路430が形成されている。コネクタ通気路430は、本実施形態では、コネクタ接続部412の底壁412cを内外方向に貫通する貫通孔からなり、図示せぬ外部配線ケーブルのコネクタをコネクタ接続部412に接続する前の状態においては、収納室K3とコネクタ接続部412の周壁412aの内側の空間K4とを連通し、図示せぬコネクタをコネクタ接続部412に接続したときには、収納室K3とコネクタの内部空間とを連通する。   As shown in FIGS. 6A and 6B, the connector connection portion 412 is formed with a connector ventilation path 430 that penetrates the housing 400. In the present embodiment, the connector vent passage 430 is a through hole that penetrates the bottom wall 412c of the connector connecting portion 412 in the inner and outer directions, and is in a state before connecting the connector of the external wiring cable (not shown) to the connector connecting portion 412. Communicates with the storage chamber K3 and the space K4 inside the peripheral wall 412a of the connector connection portion 412. When a connector (not shown) is connected to the connector connection portion 412, the storage chamber K3 communicates with the internal space of the connector.

基板収容部413は、図5の(a)に示すように、電子制御ユニット300を収納する空間(収納室K3の一部)を形成する部位であり、囲繞部411の周壁411aとコネクタ接続部412の周壁412aとを包囲するように設けられた周壁413aと、この周壁413aの内周側に設けられた端子保持部413bと、を備えて構成されている。端子保持部413bは、支持板部414に埋設された図示せぬバスバーのターミナル415aを保持する部位である。なお、電子制御ユニット300は、基板収容部413の周壁413aや支持板部414と一体に成形された基板保持部416,416,…に保持される。   As shown in FIG. 5A, the substrate housing portion 413 is a portion that forms a space (a part of the housing chamber K3) for housing the electronic control unit 300, and the peripheral wall 411a of the surrounding portion 411 and the connector connecting portion. A peripheral wall 413a provided so as to surround the peripheral wall 412a of 412 and a terminal holding portion 413b provided on the inner peripheral side of the peripheral wall 413a are provided. The terminal holding portion 413b is a portion that holds a terminal 415a of a bus bar (not shown) embedded in the support plate portion 414. The electronic control unit 300 is held by the board holding parts 416, 416,... Formed integrally with the peripheral wall 413a of the board housing part 413 and the support plate part 414.

支持板部414には、図示せぬバスバーが埋設されている。このバスバーは、支持板部414の適所に設けられた開口部や凹部などにおいて露出し、電子制御ユニット300に至る電線が接続されるターミナル415a、電磁弁V(図4参照)を駆動させる電磁コイルV1(図4参照)の端子が接続されるターミナル415b、圧力センサS(図4参照)の端子が接続されるターミナル415c(図5の(b)参照)、モータバスバー220(図4参照)が接続されるターミナル415d(図5の(b)参照)などになっている。また、支持板部414の後面には、図5の(b)に示すように、電磁コイルV1(図4参照)を保持するための保持片414a,414a,…やモータバスバー220(図1参照)の先端部が挿入される筒状挿入部414bが突設されている。なお、支持板部414によって、収納室K3が二つの空間(電磁コイルV1等を収納する空間と電子制御ユニット300等を収納する空間)に分けられることになるが、支持板部414の適所に開口部が設けられているので、当該二つの空間に気圧差が生じることはない。   A bus bar (not shown) is embedded in the support plate portion 414. This bus bar is exposed at an opening or a recess provided at a proper position of the support plate 414, and is an electromagnetic coil for driving a terminal 415a to which an electric wire reaching the electronic control unit 300 is connected and an electromagnetic valve V (see FIG. 4). A terminal 415b to which the terminal V1 (see FIG. 4) is connected, a terminal 415c (see FIG. 5 (b)) to which the terminal of the pressure sensor S (see FIG. 4) is connected, and a motor bus bar 220 (see FIG. 4). A terminal 415d to be connected (see FIG. 5B) or the like. Further, as shown in FIG. 5B, holding pieces 414a, 414a,... For holding the electromagnetic coil V1 (see FIG. 4) and a motor bus bar 220 (see FIG. 1) are provided on the rear surface of the support plate portion 414. The cylindrical insertion portion 414b into which the tip end portion of the projection is inserted is projected. The support plate 414 divides the storage chamber K3 into two spaces (a space for storing the electromagnetic coil V1 and the like and a space for storing the electronic control unit 300 and the like). Since the opening is provided, there is no pressure difference between the two spaces.

図4に示すハウジングカバー420は、ハウジング本体410の前側の開口部を密閉するものであり、溶着や接着等の手段により基板収容部413の端面に固着されている。   The housing cover 420 shown in FIG. 4 seals the opening on the front side of the housing main body 410 and is fixed to the end surface of the substrate housing portion 413 by means such as welding or adhesion.

次に、基体100に形成されるリザーバの構造およびリザーバの通気構造について詳細に説明する。   Next, the structure of the reservoir formed in the base body 100 and the ventilation structure of the reservoir will be described in detail.

図7に示すように、本実施形態に係るリザーバは、リザーバ穴110にリザーバ構成部品Rを組み付けることで構成される。   As shown in FIG. 7, the reservoir according to this embodiment is configured by assembling a reservoir component R into the reservoir hole 110.

まず、図8および図9を参照してリザーバ穴110の構成を詳細に説明する。
リザーバ穴110は、図8に示すように、基体100の下面104に開口する有底円筒状の穴であり、その内周面110bには、周方向に沿って係止溝112が形成されている。なお、以下では、リザーバ穴110の内周面110bのうち、係止溝112の上側に位置する円筒面状の部位を摺動穴壁面111と称し、係止溝112の下側に位置する円筒面状の部位を当接穴壁面113と称し、この当接穴壁面113の下側に位置する円錐台面状の部位をテーパ穴壁面114と称し、このテーパ穴壁面114の下側に位置する円筒面状の部位を大径穴壁面115と称することとする。なお、リザーバ穴110の底面110aには、出口ポート152(図1参照)に通じる図示せぬ流入路と、ポンプ孔155に通じる流出路157とが開口している。流出路157には、ポンプ孔155からのブレーキ液の逆流を防ぐ一方向弁Cが挿入されている。
First, the configuration of the reservoir hole 110 will be described in detail with reference to FIGS. 8 and 9.
As shown in FIG. 8, the reservoir hole 110 is a bottomed cylindrical hole that opens to the lower surface 104 of the base body 100, and a locking groove 112 is formed on the inner peripheral surface 110 b along the circumferential direction. Yes. In the following, a cylindrical surface portion located above the locking groove 112 in the inner peripheral surface 110 b of the reservoir hole 110 is referred to as a sliding hole wall surface 111, and a cylinder positioned below the locking groove 112. The planar portion is referred to as a contact hole wall surface 113, and the truncated cone surface portion located below the contact hole wall surface 113 is referred to as a tapered hole wall surface 114, and a cylinder located below the tapered hole wall surface 114. The planar portion is referred to as a large-diameter hole wall surface 115. Note that an unillustrated inflow path that leads to the outlet port 152 (see FIG. 1) and an outflow path 157 that leads to the pump hole 155 are opened on the bottom surface 110a of the reservoir hole 110. A one-way valve C that prevents the backflow of brake fluid from the pump hole 155 is inserted into the outflow passage 157.

係止溝112は、摺動穴壁面111よりも浅い部位に形成された環状の凹溝であり、図9の(a)に示すように、リザーバ穴110の開口部に向かうに従って漸次拡径する傾斜面112aと、この傾斜面112aよりもリザーバ穴110の開口部側に位置する係止面112bと、傾斜面112aと係止面112bとの間に位置する円筒面状の溝底面112cと、を備えている。傾斜面112aおよび係止面112bは、リザーバ穴110の深さ方向に並んでいて、溝底面112cを挟んで対向している。傾斜面112aは、摺動穴壁面111の下端縁と溝底面112cの上端縁とを繋ぐものであり、溝底面112cに向かうに従って漸次拡径する円錐台面状を呈している。なお、傾斜面112aと摺動穴壁面111の境界部分は、面取りしておくとよい。係止面112bは、溝底面112cの下端縁と当接穴壁面113の上端縁とを繋ぐものである。係止面112bの断面形状に特に制限はないが、本実施形態では、後記する抜け止部材4の断面形状に沿うように断面円弧状に成形されており、かつ、溝底面112cから離れるに従って漸次縮径している。溝底面112cは、係止溝112の溝底となるものであり、円筒面状を呈している。溝底面112cにおけるリザーバ穴110の穴径が摺動穴壁面111におけるリザーバ穴110の穴径よりも大きいことは言うまでもない。なお、図示は省略するが、溝底面112cを省略し、傾斜面112aと係止面112bとを連続させてもよい。   The locking groove 112 is an annular concave groove formed in a portion shallower than the sliding hole wall surface 111 and gradually increases in diameter toward the opening of the reservoir hole 110 as shown in FIG. An inclined surface 112a, a locking surface 112b positioned closer to the opening of the reservoir hole 110 than the inclined surface 112a, a cylindrical groove bottom surface 112c positioned between the inclined surface 112a and the locking surface 112b, It has. The inclined surface 112a and the locking surface 112b are arranged in the depth direction of the reservoir hole 110 and face each other with the groove bottom surface 112c interposed therebetween. The inclined surface 112a connects the lower end edge of the sliding hole wall surface 111 and the upper end edge of the groove bottom surface 112c, and has a truncated cone surface shape that gradually increases in diameter toward the groove bottom surface 112c. The boundary portion between the inclined surface 112a and the sliding hole wall surface 111 is preferably chamfered. The locking surface 112 b connects the lower end edge of the groove bottom surface 112 c and the upper end edge of the contact hole wall surface 113. Although there is no particular limitation on the cross-sectional shape of the locking surface 112b, in this embodiment, the locking surface 112b is formed in a circular arc shape so as to follow the cross-sectional shape of the retaining member 4 described later, and gradually increases as the distance from the groove bottom surface 112c increases. The diameter is reduced. The groove bottom surface 112c serves as a groove bottom of the locking groove 112 and has a cylindrical surface shape. Needless to say, the hole diameter of the reservoir hole 110 at the groove bottom surface 112c is larger than the hole diameter of the reservoir hole 110 at the wall surface 111 of the sliding hole. In addition, although illustration is abbreviate | omitted, the groove bottom face 112c may be abbreviate | omitted and the inclined surface 112a and the locking surface 112b may be made continuous.

当接穴壁面113は、係止溝112よりも浅い部位に形成されている。当接穴壁面113におけるリザーバ穴110の穴径は、摺動穴壁面111におけるリザーバ穴110の穴径と等しくなっている。   The contact hole wall surface 113 is formed in a portion shallower than the locking groove 112. The hole diameter of the reservoir hole 110 in the contact hole wall surface 113 is equal to the hole diameter of the reservoir hole 110 in the sliding hole wall surface 111.

テーパ穴壁面114は、当接穴壁面113よりも浅い部位に形成されていて、リザーバ穴110の開口部側に向かうに従って漸次拡径する円錐台面状を呈している。   The tapered hole wall surface 114 is formed at a shallower portion than the abutting hole wall surface 113 and has a truncated cone surface shape whose diameter gradually increases toward the opening side of the reservoir hole 110.

大径穴壁面115は、テーパ穴壁面114よりも浅い部位に形成されている。大径穴壁面115におけるリザーバ穴110の穴径は、テーパ穴壁面114におけるリザーバ穴110の最大穴径よりも大きくなっていて、テーパ穴壁面114と大径穴壁面115との境界部分には、平面視円帯状の段部116が形成されている。   The large-diameter hole wall surface 115 is formed in a portion shallower than the tapered hole wall surface 114. The hole diameter of the reservoir hole 110 in the large-diameter hole wall surface 115 is larger than the maximum hole diameter of the reservoir hole 110 in the tapered hole wall surface 114, and the boundary portion between the tapered hole wall surface 114 and the large-diameter hole wall surface 115 is A step 116 having a circular band shape in plan view is formed.

次に、図7および図9を参照してリザーバ構成部品Rの構成を詳細に説明する。
リザーバ構成部品Rは、図7に示すように、リザーバピストン1と、リザーバばね2と、受け部材3と、抜け止部材4と、蓋部材5と、シール部材6とを備えて構成されている。
Next, the configuration of the reservoir component R will be described in detail with reference to FIGS. 7 and 9.
As shown in FIG. 7, the reservoir component R includes a reservoir piston 1, a reservoir spring 2, a receiving member 3, a retaining member 4, a lid member 5, and a seal member 6. .

リザーバピストン1は、リザーバ穴110に摺動自在に挿入されるものであり、前記した図示せぬ流入路からリザーバ穴110に流入したブレーキ液の液圧によって受け部材3側に移動することで、リザーバ穴110の底面110aとの間に、ブレーキ液を貯留する貯留室を形成する。   The reservoir piston 1 is slidably inserted into the reservoir hole 110, and moves to the receiving member 3 side by the hydraulic pressure of the brake fluid flowing into the reservoir hole 110 from the inflow path (not shown). A storage chamber for storing brake fluid is formed between the bottom surface 110 a of the reservoir hole 110.

本実施形態に係るリザーバピストン1は、受け部材3側に開口する有底円筒状の部材からなり、リザーバ穴110の底面110aに対向する円板状のピストン底部11と、リザーバ穴110の内周面110bに対向する筒状の対向ピストン周壁部12とを備えている。なお、リザーバピストン1の内空部には、リザーバばね2の一端部が挿入される。   The reservoir piston 1 according to the present embodiment is a bottomed cylindrical member that opens toward the receiving member 3, and has a disk-like piston bottom 11 facing the bottom surface 110 a of the reservoir hole 110, and the inner periphery of the reservoir hole 110. And a cylindrical opposed piston peripheral wall portion 12 facing the surface 110b. One end of the reservoir spring 2 is inserted into the inner space of the reservoir piston 1.

ピストン底部11は、リザーバ穴110の摺動穴壁面111における穴径と同等の外径を備えている。ピストン底部11の受け部材3側の面には、リザーバばね2の一端が当接する。   The piston bottom portion 11 has an outer diameter equivalent to the hole diameter in the sliding hole wall surface 111 of the reservoir hole 110. One end of the reservoir spring 2 is in contact with the surface of the piston bottom 11 on the receiving member 3 side.

ピストン周壁部12は、ピストン底部11の周縁部から受け部材3側に向かって立ち上がっている。ピストン周壁部12の内周面は、円筒面状を呈しており、リザーバばね2の一端部に対向し、ピストン周壁部12の外周面は、リザーバ穴110の摺動穴壁面111に対向する。ピストン周壁部12の外周面には、ピストン周壁部12の周方向に沿って環状のシール溝12aが凹設されている。シール溝12aには、環状のシール部材12bが嵌め込まれている。シール部材12bは、シール溝12aの内面に当接するとともに、リザーバ穴110の内周面110b(より詳細には、摺動穴壁面111)に当接し、リザーバピストン1とリザーバ穴110の内周面110bとの間をシールする。   The piston peripheral wall portion 12 rises from the peripheral edge portion of the piston bottom portion 11 toward the receiving member 3 side. The inner peripheral surface of the piston peripheral wall portion 12 has a cylindrical surface shape and faces one end of the reservoir spring 2, and the outer peripheral surface of the piston peripheral wall portion 12 faces the sliding hole wall surface 111 of the reservoir hole 110. An annular seal groove 12 a is recessed in the outer peripheral surface of the piston peripheral wall portion 12 along the circumferential direction of the piston peripheral wall portion 12. An annular seal member 12b is fitted in the seal groove 12a. The seal member 12b abuts on the inner surface of the seal groove 12a and also abuts on the inner peripheral surface 110b (more specifically, the sliding hole wall surface 111) of the reservoir hole 110, and the inner peripheral surfaces of the reservoir piston 1 and the reservoir hole 110. 110b is sealed.

リザーバばね2は、リザーバピストン1をリザーバ穴110の底面110a側に付勢するものであり、リザーバピストン1と受け部材3との間に形成されたばね室K1に収容されている。なお、本実施形態では、コイルばねからなるリザーバばね2を例示しているが、ばねの種類や形態を限定する趣旨ではない。   The reservoir spring 2 urges the reservoir piston 1 toward the bottom surface 110 a of the reservoir hole 110 and is accommodated in a spring chamber K1 formed between the reservoir piston 1 and the receiving member 3. In addition, in this embodiment, although the reservoir spring 2 which consists of a coil spring is illustrated, it is not the meaning which limits the kind and form of a spring.

受け部材3は、リザーバばね2を支持するものであるが、本実施形態では、リザーバピストン1のストッパーとしても機能する。本実施形態に係る受け部材3は、ピストン底部11に対向する支持部31と、リザーバ穴110の内周面110bに対向する立上部32とを備えている。   The receiving member 3 supports the reservoir spring 2, but also functions as a stopper of the reservoir piston 1 in this embodiment. The receiving member 3 according to the present embodiment includes a support portion 31 that faces the piston bottom portion 11, and an upright portion 32 that faces the inner peripheral surface 110 b of the reservoir hole 110.

支持部31は、リザーバばね2の他端に当接する部位であるが、本実施形態では、平面視円帯状を呈していて、その中央部に開口部31aが設けられている。   The support portion 31 is a portion that abuts against the other end of the reservoir spring 2. In the present embodiment, the support portion 31 has a circular band shape in plan view, and an opening portion 31 a is provided at the center thereof.

立上部32は、支持部31の周縁部からリザーバピストン1側に向かって立ち上がっていて、その先端部がリザーバ穴110の摺動穴壁面111に入り込んでいる。立上部32の先端面(上端面)32aは、リザーバピストン1が受け部材3側にストロークした際に、ピストン周壁部12の先端面(下端面)12cに当接し、リザーバピストン1のそれ以上のストロークを阻止する。なお、立上部32の内周面は、円筒面状を呈しており、リザーバばね2の他端部に対向する。   The upright portion 32 rises from the peripheral edge portion of the support portion 31 toward the reservoir piston 1 side, and the tip portion thereof enters the sliding hole wall surface 111 of the reservoir hole 110. When the reservoir piston 1 strokes toward the receiving member 3, the distal end surface (upper end surface) 32 a of the upright portion 32 abuts on the distal end surface (lower end surface) 12 c of the piston peripheral wall portion 12, and more than that of the reservoir piston 1. Stop the stroke. The inner peripheral surface of the raised portion 32 has a cylindrical surface shape and faces the other end portion of the reservoir spring 2.

受け部材3の外周面は、段付き円筒状を呈していて、リザーバ穴110の内周面110bに対向する。図9の(a)を参照してより詳細に説明すると、受け部材3の外周面は、リザーバ穴110の摺動穴壁面111の下端部(最浅部)に対向する円筒面状の大径面3aと、この大径面3aの下側に位置する円錐台面状のテーパ面3bと、このテーパ面3bの下側に位置する円筒面状の小径面3cとを備えている。大径面3aは、その上半部が摺動穴壁面111の下部に対向し、下半部が係止溝112に対向する。なお、受け部材3の大径面3aにおける外径は、リザーバ穴110の摺動穴壁面111における穴径と略等しくなっている。テーパ面3bは、大径面3aよりも支持部31側に形成されていて、支持部31に向かうに従って漸次縮径し、係止溝112の係止面112bと隙間をあけて対向する。小径面3cは、テーパ面3bよりも支持部31側に形成されていて、リザーバ穴110の当接穴壁面113およびテーパ穴壁面114と隙間をあけて対向する。すなわち、受け部材3の小径面3cにおける外径は、リザーバ穴110の当接穴壁面113における穴径よりも小さくなっている。   The outer peripheral surface of the receiving member 3 has a stepped cylindrical shape and faces the inner peripheral surface 110 b of the reservoir hole 110. When described in more detail with reference to FIG. 9A, the outer peripheral surface of the receiving member 3 has a large cylindrical surface diameter that faces the lower end portion (the shallowest portion) of the sliding hole wall surface 111 of the reservoir hole 110. A surface 3a, a truncated cone-shaped tapered surface 3b positioned below the large-diameter surface 3a, and a cylindrical small-diameter surface 3c positioned below the tapered surface 3b are provided. The large-diameter surface 3 a has an upper half facing the lower part of the sliding hole wall surface 111 and a lower half facing the locking groove 112. The outer diameter of the large diameter surface 3 a of the receiving member 3 is substantially equal to the hole diameter of the sliding hole wall surface 111 of the reservoir hole 110. The tapered surface 3b is formed closer to the support portion 31 than the large-diameter surface 3a, gradually decreases in diameter toward the support portion 31, and faces the locking surface 112b of the locking groove 112 with a gap. The small diameter surface 3c is formed closer to the support portion 31 than the tapered surface 3b, and faces the contact hole wall surface 113 and the tapered hole wall surface 114 of the reservoir hole 110 with a gap therebetween. That is, the outer diameter of the small diameter surface 3 c of the receiving member 3 is smaller than the hole diameter of the contact hole wall surface 113 of the reservoir hole 110.

図9の(b)に示す抜け止部材4は、リザーバばね2の付勢力を受ける受け部材3のリザーバ穴110からの抜け出しを阻止するものであり、係止溝112の係止面112bと受け部材3との間に介設されている。抜け止部材4の外周側は、リザーバ穴110の係止溝112に入り込んで係止面112bに上側から当接し、抜け止部材4の内周側は、係止溝112から突出して受け部材3のテーパ面3bに下側から当接する。すなわち、抜け止部材4は、係止面112bとテーパ面3bとの間に介設され、係止面112bに抜出し不能に係止された状態で、受け部材3を抜出し不能に係止する。なお、抜け止部材4は、本実施形態では、円環の一部を欠損させた形態(C字状)の部材からなり、その内周側に弾性変形させた状態で、リザーバ穴110に挿入され、外周側に広がろうとする復元力によって係止面112bに弾接する。なお、抜け止部材4は、C字状を呈していることからも明らかなように、係止面112bとテーパ面3bとの間をシールするものではないので、受け部材3と蓋部材5との間に形成された空間K2とリザーバ穴110の係止溝112とは連通することになる。   The retaining member 4 shown in FIG. 9B prevents the receiving member 3 receiving the biasing force of the reservoir spring 2 from coming out of the reservoir hole 110, and receives the engaging surface 112 b of the engaging groove 112 and the receiving surface 112 b. It is interposed between the members 3. The outer peripheral side of the retaining member 4 enters the locking groove 112 of the reservoir hole 110 and comes into contact with the locking surface 112b from above, and the inner peripheral side of the retaining member 4 protrudes from the locking groove 112 and receives the receiving member 3. The taper surface 3b is contacted from below. That is, the retaining member 4 is interposed between the locking surface 112b and the tapered surface 3b, and locks the receiving member 3 so that it cannot be pulled out while being locked to the locking surface 112b so that it cannot be pulled out. In this embodiment, the retaining member 4 is a member (C-shaped) in which a part of the annular ring is missing, and is inserted into the reservoir hole 110 while being elastically deformed to the inner peripheral side thereof. Then, it comes into elastic contact with the locking surface 112b by a restoring force that tends to spread outward. Note that the retaining member 4 does not seal between the locking surface 112b and the tapered surface 3b, as is apparent from the C-shape, so that the receiving member 3 and the lid member 5 The space K2 formed between the two and the engaging groove 112 of the reservoir hole 110 communicates with each other.

蓋部材5は、リザーバ穴110の開口部を密閉するものであり、受け部材3を覆うように配置される。蓋部材5は、プレス加工により成形された部材であり、円板状の本体部51と、この本体部51の周縁部に形成された挿入部52と、この挿入部52から側方に向かって張り出す平面視円帯状の張出部53とを備えている。   The lid member 5 seals the opening of the reservoir hole 110 and is disposed so as to cover the receiving member 3. The lid member 5 is a member formed by press working, and includes a disc-shaped main body 51, an insertion portion 52 formed on the peripheral edge of the main body 51, and the insertion portion 52 toward the side. An overhanging portion 53 having a circular band shape in plan view is provided.

本体部51は、受け部材3の下方に配置されており、本実施形態では、受け部材3の支持部31に隙間をあけて対向する。   The main body 51 is disposed below the receiving member 3, and faces the support portion 31 of the receiving member 3 with a gap in the present embodiment.

挿入部52は、リザーバ穴110の内周面110bと受け部材3の外周面との間に挿入される部位であり、本実施形態では、本体部51の周縁部から受け部材3側に向かって立ち上がる内周壁52aと、この内周壁52aの外周側に形成された外周壁52bとを備えていて、断面逆U字状を呈している。内周壁52aは、受け部材3の小径面3cを囲繞し、かつ、小径面3cに隙間をあけて対向する。外周壁52bの外周面は、リザーバ穴110の当接穴壁面113に当接するとともに、テーパ穴壁面114に隙間をあけて対向する。すなわち、外周壁52bの外径は、当接穴壁面113におけるリザーバ穴110の外径と略等しくなっている。なお、外周壁52bの内周面は、内周壁52aの外周面に隙間をあけて対向する。   The insertion portion 52 is a portion that is inserted between the inner peripheral surface 110b of the reservoir hole 110 and the outer peripheral surface of the receiving member 3, and in the present embodiment, from the peripheral portion of the main body portion 51 toward the receiving member 3 side. An inner peripheral wall 52a that rises and an outer peripheral wall 52b formed on the outer peripheral side of the inner peripheral wall 52a are provided and have an inverted U-shaped cross section. The inner peripheral wall 52a surrounds the small diameter surface 3c of the receiving member 3 and faces the small diameter surface 3c with a gap. The outer peripheral surface of the outer peripheral wall 52b contacts the contact hole wall surface 113 of the reservoir hole 110 and faces the tapered hole wall surface 114 with a gap. That is, the outer diameter of the outer peripheral wall 52 b is substantially equal to the outer diameter of the reservoir hole 110 in the contact hole wall surface 113. The inner peripheral surface of the outer peripheral wall 52b faces the outer peripheral surface of the inner peripheral wall 52a with a gap.

張出部53は、リザーバ穴110の段部116に当接し、テーパ穴壁面114と外周壁52bとともに断面三角形状の密閉された環状空間を形成する。すなわち、張出部53は、その内周側がリザーバ穴110のテーパ穴壁面114の直下に位置し、外周側が段部116の直下に位置する。   The overhanging portion 53 abuts on the stepped portion 116 of the reservoir hole 110 and forms a sealed annular space having a triangular cross section together with the tapered hole wall surface 114 and the outer peripheral wall 52b. That is, the projecting portion 53 has an inner peripheral side located directly below the tapered hole wall surface 114 of the reservoir hole 110 and an outer peripheral side located directly below the stepped portion 116.

シール部材6は、蓋部材5とリザーバ穴110の内周面110bとの間を全周に亘ってシールするものであり、環状の部材からなり、蓋部材5に環装されている。本実施形態に係るシール部材6は、蓋部材5の外周壁52bに外嵌されていて、断面三角形状の環状空間の内部において外周壁52bの外周面、張出部53の上面およびリザーバ穴110のテーパ穴壁面114に密着している。   The seal member 6 seals between the lid member 5 and the inner peripheral surface 110 b of the reservoir hole 110 over the entire circumference, and is formed of an annular member and is mounted on the lid member 5. The seal member 6 according to the present embodiment is externally fitted to the outer peripheral wall 52b of the lid member 5, and the outer peripheral surface of the outer peripheral wall 52b, the upper surface of the overhanging portion 53, and the reservoir hole 110 in the annular space having a triangular cross section. Are closely attached to the wall surface 114 of the taper hole.

以上説明したリザーバ構成部品Rをリザーバ穴110に組み付けるには、まず、リザーバピストン1、リザーバばね2および受け部材3をリザーバ穴110に挿入し(図7参照)、次に、受け部材3をリザーバ穴110の底面110a側に押し込んで係止溝112を露出させた状態で、抜け止部材4をリザーバ穴110に押し込み、係止溝112の係止面112bに係止させる(図9の(b)参照)。続いて、シール部材6が環装された蓋部材5を受け部材3に覆い被せ、シール部材6を断面三角形状の環状空間に押し込み(図9の(b)参照)、その後、リザーバ穴110の大径穴壁面115の周囲の穴壁115aに複数の塑性変形部を形成して蓋部材5の張出部53の複数個所をかしめ固定することで、リザーバ構成部品Rの組付作業が完了する。なお、本実施形態においては、蓋部材5に環装したシール部材6によって、蓋部材5とリザーバ穴110の内周面110bとの間がシールされるので、蓋部材5の全周をかしめ固定する必要はなく、蓋部材5の一部をかしめ固定するだけで、リザーバ穴110を密閉することができる。蓋部材5の一部をかしめ固定することとすれば、かしめ固定に必要な荷重(リザーバ穴110の穴壁115aを塑性変形させるのに必要な荷重)を低減することが可能となるので、かしめ固定をする際に基体100にかかる負荷を低減することが可能となる。   In order to assemble the reservoir component R described above into the reservoir hole 110, first, the reservoir piston 1, the reservoir spring 2, and the receiving member 3 are inserted into the reservoir hole 110 (see FIG. 7), and then the receiving member 3 is inserted into the reservoir hole 110. In a state where the hole 110 is pushed into the bottom surface 110a side to expose the locking groove 112, the retaining member 4 is pushed into the reservoir hole 110 and locked to the locking surface 112b of the locking groove 112 ((b in FIG. 9). )reference). Subsequently, the cover member 5 around which the seal member 6 is mounted is covered with the receiving member 3, and the seal member 6 is pushed into an annular space having a triangular cross section (see FIG. 9B). The assembly operation of the reservoir component R is completed by forming a plurality of plastic deformation portions on the hole wall 115a around the large-diameter hole wall surface 115 and fixing the plurality of portions of the protruding portion 53 of the lid member 5 by caulking. . In the present embodiment, the gap between the lid member 5 and the inner peripheral surface 110b of the reservoir hole 110 is sealed by the seal member 6 that is wrapped around the lid member 5, so that the entire circumference of the lid member 5 is fixed by caulking. The reservoir hole 110 can be sealed simply by caulking and fixing a part of the lid member 5. If a part of the lid member 5 is caulked and fixed, the load necessary for caulking and fixing (the load necessary to plastically deform the hole wall 115a of the reservoir hole 110) can be reduced. It is possible to reduce a load applied to the base body 100 when fixing.

以上のように構成されたリザーバにおいては、図7に示すように、ばね室K1が、受け部材3の開口部31a、受け部材3と蓋部材5との間に形成された空間K2、リザーバ穴110の係止溝112およびリザーバ通気路120を介して基体100の外部(本実施形態では、基体100とハウジング400とで形成された収納室K3)と連通していて、リザーバピストン1がリザーバ穴110の開口部側に摺動移動してばね室K1の容積が減少したときでも、ばね室K1内の気圧が高まることはなく、リザーバピストン1は、受け部材3に当接するまでスムーズに摺動する。なお、前記したように、受け部材3と蓋部材5との間に形成された空間K2とリザーバ穴110の係止溝112とは連通している。   In the reservoir configured as described above, as shown in FIG. 7, the spring chamber K <b> 1 has an opening 31 a of the receiving member 3, a space K <b> 2 formed between the receiving member 3 and the lid member 5, and a reservoir hole. 110 is connected to the outside of the base body 100 (the storage chamber K3 formed by the base body 100 and the housing 400 in this embodiment) via the locking groove 112 and the reservoir vent passage 120, and the reservoir piston 1 is connected to the reservoir hole. Even when the volume of the spring chamber K1 decreases by sliding to the opening side of 110, the air pressure in the spring chamber K1 does not increase, and the reservoir piston 1 slides smoothly until it contacts the receiving member 3. To do. As described above, the space K2 formed between the receiving member 3 and the lid member 5 and the locking groove 112 of the reservoir hole 110 communicate with each other.

図8を参照してリザーバ通気路120の構成をより詳細に説明する。
リザーバ通気路120は、基体100の表面であってハウジング400により覆われた前面101に一端が開口するとともに、リザーバ穴110の係止溝112に他端が開口する貫通孔からなる。この貫通孔は、基体100の前面101からリザーバ穴110の係止溝112の溝底面112c(図9の(a)参照)に向かって穿設されたものであるが、本実施形態では、リザーバ通気路120の長さが最短となるように、貫通孔の中心軸線を、基体100の前面101に直交する直線であってリザーバ穴110の中心を通る直線と一致させている。なお、係止溝112に開口するものであれば、前記した貫通孔の位置や傾き(方向)に特に制限はなく、適宜変更しても差し支えない。
The configuration of the reservoir ventilation path 120 will be described in more detail with reference to FIG.
The reservoir vent path 120 is formed of a through hole having one end opened on the front surface 101 which is the surface of the base body 100 and covered with the housing 400 and the other end opened in the locking groove 112 of the reservoir hole 110. This through hole is formed from the front surface 101 of the base body 100 toward the groove bottom surface 112c of the locking groove 112 of the reservoir hole 110 (see FIG. 9A). The central axis of the through hole is aligned with a straight line that is orthogonal to the front surface 101 of the base body 100 and passes through the center of the reservoir hole 110 so that the length of the air passage 120 is the shortest. In addition, as long as it opens to the locking groove 112, there is no restriction | limiting in particular in the position and inclination (direction) of an above-mentioned through-hole, and it may change suitably.

なお、本実施形態では、図10に示すように、ハウジング通気路130を介して収納室K3の内部と外部とが連通しているので、ばね室K1(図8参照)内の空気が収納室K3へ流入しても、収納室K3内の気圧が上昇することはなく、常に大気圧と同等に保たれることになる。   In the present embodiment, as shown in FIG. 10, since the inside and the outside of the storage chamber K3 communicate with each other via the housing air passage 130, the air in the spring chamber K1 (see FIG. 8) is stored in the storage chamber. Even if it flows into K3, the atmospheric pressure in the storage chamber K3 does not rise and is always kept equal to the atmospheric pressure.

ハウジング通気路130の構成を詳細に説明する。ハウジング通気路130は、基体100の下面104に開口する凹部131と、この凹部131の底面に開口する縦孔132と、この縦孔132の深部とハウジング400により覆われた前面101とに開口する横孔133とを備えて構成されている(図3参照)。   The configuration of the housing air passage 130 will be described in detail. The housing air passage 130 opens into a recess 131 that opens in the lower surface 104 of the base body 100, a vertical hole 132 that opens in the bottom surface of the recess 131, a deep portion of the vertical hole 132, and the front surface 101 that is covered with the housing 400. A horizontal hole 133 is provided (see FIG. 3).

ハウジング通気路130には、空気の出入りを許容しつつ水の出入りを阻止する透湿防水素材134aが装着されている。透湿防水素材134aは、防水キャップ134の開口部に覆設されており、防水キャップ134を凹部131に嵌め込むことで、ハウジング通気路130に装着される。なお、透湿防水素材134aは、例えば周知であるゴアテックス(登録商標)などからなる。透湿防水素材134aを配置すれば、収納室K3への水や埃等の浸入を防ぐことが可能となる。   A moisture permeable and waterproof material 134 a that prevents air from entering and exiting while allowing air to enter and exit is attached to the housing air passage 130. The moisture permeable waterproof material 134 a is covered by the opening of the waterproof cap 134, and is fitted to the housing air passage 130 by fitting the waterproof cap 134 into the recess 131. The moisture permeable waterproof material 134a is made of, for example, the well-known Gore-Tex (registered trademark). If the moisture permeable and waterproof material 134a is disposed, it is possible to prevent water and dust from entering the storage room K3.

なお、本実施形態に係る車両用ブレーキ液圧制御装置Uにおいては、リザーバのばね室K1だけでなく、モータ200(図4参照)の内部空間やハウジング400のコネクタ接続部412(図5参照)に接続される図示せぬコネクタの内部空間も収納室K3と連通して、かつ、ハウジング通気路130を介して車両用ブレーキ液圧制御装置Uの外部と連通している。すなわち、本実施形態においては、リザーバのばね室K1だけでなく、モータ200の内部空間やコネクタの内部空間の気圧も、大気圧と同等に保たれることになる。   In the vehicle brake hydraulic pressure control device U according to the present embodiment, not only the spring chamber K1 of the reservoir, but also the internal space of the motor 200 (see FIG. 4) and the connector connecting portion 412 of the housing 400 (see FIG. 5). An internal space of a connector (not shown) connected to the housing is also communicated with the storage chamber K3 and communicated with the outside of the vehicle brake fluid pressure control device U via the housing air passage 130. That is, in the present embodiment, not only the spring chamber K1 of the reservoir but also the atmospheric pressure of the internal space of the motor 200 and the internal space of the connector is kept equal to the atmospheric pressure.

以上説明した車両用ブレーキ液圧制御装置Uによれば、抜け止部材4を係止する係止溝112がリザーバピストン1をリザーバ穴110に挿入する際の引っ掛かりを防止するための凹溝としても機能することになるので、リザーバピストン1の挿入作業を迅速に行うことが可能となり、さらには、リザーバピストン1の引っ掛かりを防止するためだけの凹溝を形成する必要がなくなるので、リザーバ穴110に対する加工を効率よく行うことが可能となる。   According to the vehicle brake hydraulic pressure control device U described above, the locking groove 112 for locking the retaining member 4 can be used as a concave groove for preventing a catch when the reservoir piston 1 is inserted into the reservoir hole 110. Therefore, the reservoir piston 1 can be inserted quickly, and it is not necessary to form a groove to prevent the reservoir piston 1 from being caught. Processing can be performed efficiently.

また、ばね室K1がリザーバ通気路120やハウジング通気路130を介して車両用ブレーキ液圧制御装置Uの外部と連通しているので、リザーバピストン1がリザーバ穴110の開口部側に移動してばね室K1の容積が減少しても、ばね室K1内の気圧が高まることはなく、その結果、リザーバピストン1がスムーズに摺動することになる。   Further, since the spring chamber K1 communicates with the outside of the vehicle brake fluid pressure control device U via the reservoir vent passage 120 and the housing vent passage 130, the reservoir piston 1 moves to the opening side of the reservoir hole 110. Even if the volume of the spring chamber K1 decreases, the air pressure in the spring chamber K1 does not increase, and as a result, the reservoir piston 1 slides smoothly.

さらに、本実施形態においては、ハウジング400で覆われた基体100の前面101にリザーバ通気路120を開口させているので、リザーバ通気路120にフィルター等を装着しなくとも、リザーバ通気路120への水や埃等の浸入を防ぐことができる。   Furthermore, in this embodiment, since the reservoir vent passage 120 is opened on the front surface 101 of the base body 100 covered with the housing 400, the reservoir vent passage 120 can be connected to the reservoir vent passage 120 without attaching a filter or the like. Intrusion of water and dust can be prevented.

また、本実施形態においては、ハウジング通気路130によって、収納室K3内の気圧が大気圧と同程度に保たれることになるので、外部との圧力差に起因する変形がハウジング400に生じ難くなり、その結果、基体100とハウジング400との密着性が良好に保たれることになる。   Further, in the present embodiment, the housing air passage 130 keeps the atmospheric pressure in the storage chamber K3 at the same level as the atmospheric pressure, so that deformation due to a pressure difference from the outside hardly occurs in the housing 400. As a result, the adhesion between the base body 100 and the housing 400 is kept good.

また、本実施形態においては、図示せぬマウントブラケットに固着される基体100の下面104にハウジング通気路130を開口させているので、図示せぬマウントブラケットを利用してハウジング通気路130の開口部を簡単に覆い隠すことが可能となる。つまり、基体100を図示せぬマウントブラケットに取り付けるだけで、ハウジング通気路130の開口部に水が掛かり難い構造を得ることが可能となる。   In this embodiment, since the housing air passage 130 is opened on the lower surface 104 of the base 100 fixed to the mount bracket (not shown), the opening portion of the housing air passage 130 is utilized using the mount bracket (not shown). Can be easily covered. That is, it is possible to obtain a structure in which water is not easily applied to the opening portion of the housing ventilation path 130 by simply attaching the base body 100 to a mount bracket (not shown).

さらに、本実施形態においては、モータ200の内部空間が、大気圧に保たれた収納室K3と連通しているので、モータ200の内部空間の気圧も大気圧と同程度に保たれることになり、その結果、モータ200の内部空間への水や埃等の浸入を防ぐことが可能となる。   Furthermore, in this embodiment, since the internal space of the motor 200 communicates with the storage chamber K3 maintained at atmospheric pressure, the atmospheric pressure of the internal space of the motor 200 is also maintained at the same level as the atmospheric pressure. As a result, it is possible to prevent water and dust from entering the internal space of the motor 200.

また、本実施形態においては、ハウジング400のコネクタ接続部412に接続される外部配線ケーブルのコネクタの内部空間が、コネクタ通気路430を介して、大気圧に保たれた収納室K3と連通していて、コネクタの内部空間の気圧が大気圧と同程度に保たれることになるので、コネクタ接続部とコネクタとの密着性が良好に保たれることになり、ひいては、コネクタの内部空間への水や埃等の浸入を防ぐことが可能となる。   In this embodiment, the internal space of the connector of the external wiring cable connected to the connector connecting portion 412 of the housing 400 communicates with the storage chamber K3 maintained at atmospheric pressure via the connector vent passage 430. Therefore, the pressure inside the internal space of the connector is maintained at the same level as the atmospheric pressure, so that the adhesion between the connector connecting portion and the connector is maintained well, and as a result, the connection to the internal space of the connector. It becomes possible to prevent intrusion of water or dust.

1 リザーバピストン
2 リザーバばね
3 受け部材
4 抜け止部材
5 蓋部材
6 シール部材
100 基体
101 前面
102 後面
110 リザーバ穴
112 係止溝
112a 傾斜面
112b 係止面
120 リザーバ通気路
130 ハウジング通気路
134 透湿防水素材
140 端子孔
200 モータ
220 モータバスバー
300 電子制御ユニット
400 ハウジング
412 コネクタ接続部
430 コネクタ通気路
K1 ばね室
K3 収納室
V 電磁弁(組付部品)
S 圧力センサ(組付部品)
DESCRIPTION OF SYMBOLS 1 Reservoir piston 2 Reservoir spring 3 Receiving member 4 Retaining member 5 Lid member 6 Seal member 100 Base body 101 Front surface 102 Rear surface 110 Reservoir hole 112 Engaging groove 112a Inclined surface 112b Engaging surface 120 Reservoir air passage 130 Housing air passage 134 Moisture permeability Waterproof material 140 Terminal hole 200 Motor 220 Motor bus bar 300 Electronic control unit 400 Housing 412 Connector connection part 430 Connector air passage K1 Spring chamber K3 Storage chamber V Solenoid valve (assembled parts)
S Pressure sensor (assembled parts)

Claims (5)

有底円筒状のリザーバ穴を有する基体と、
前記リザーバ穴に摺動自在に挿入されるリザーバピストンと、
前記リザーバピストンを前記リザーバ穴の底面側に付勢するリザーバばねと、
前記リザーバばねを支持する受け部材と、
前記受け部材の前記リザーバ穴からの抜け出しを阻止する抜け止部材と、
前記受け部材を覆うように配置され、前記リザーバ穴の開口部を密閉する蓋部材と、
前記基体の前面側に組み付けられた組付部品と、
前記組付部品を覆った状態で前記基体の前面に固着されたハウジングと、を備え、
前記リザーバピストンと前記受け部材との間に、前記リザーバばねを収容するばね室が形成されている車両用ブレーキ液圧制御装置であって、
前記基体には、その前面および前記リザーバ穴の内周面に開口するリザーバ通気路と、前記前面および前記前面以外の前記基体の表面に開口するハウジング通気路とが形成されており、
前記ハウジングは、外部配線ケーブルの端部に設けられたコネクタが接続されるコネクタ接続部を備えており、
前記コネクタ接続部には、前記ハウジングを貫通するコネクタ通気路が形成されており、
前記基体と前記ハウジングとで形成された収納室が、前記リザーバ通気路を介して前記ばね室と連通しているとともに、前記ハウジング通気路を介して前記収納室の外部と連通しており、さらに、前記コネクタ通気路を介して前記コネクタの内部空間と連通している、ことを特徴とする車両用ブレーキ液圧制御装置。
A substrate having a bottomed cylindrical reservoir hole;
A reservoir piston slidably inserted into the reservoir hole;
A reservoir spring that biases the reservoir piston toward the bottom surface of the reservoir hole;
A receiving member for supporting the reservoir spring;
A retaining member for preventing the receiving member from coming out of the reservoir hole;
A lid member arranged to cover the receiving member and sealing the opening of the reservoir hole;
Assembly parts assembled on the front side of the substrate;
A housing fixed to the front surface of the base body in a state of covering the assembly component,
A vehicular brake hydraulic pressure control device in which a spring chamber for accommodating the reservoir spring is formed between the reservoir piston and the receiving member,
The base is formed with a reservoir vent path that opens to the front surface and the inner peripheral surface of the reservoir hole, and a housing vent path that opens to the surface of the base other than the front face and the front face.
The housing includes a connector connecting portion to which a connector provided at an end portion of the external wiring cable is connected,
The connector connection portion is formed with a connector air passage that penetrates the housing,
A storage chamber formed by the base body and the housing communicates with the spring chamber via the reservoir vent passage, and communicates with the outside of the storage chamber via the housing vent passage. The vehicle brake fluid pressure control device is in communication with the internal space of the connector via the connector vent passage.
前記蓋部材に環装された環状のシール部材によって、前記蓋部材と前記リザーバ穴の内周面との間がシールされていることを特徴とする請求項1に記載の車両用ブレーキ液圧制御装置。   2. The vehicle brake hydraulic pressure control according to claim 1, wherein a gap between the lid member and an inner peripheral surface of the reservoir hole is sealed by an annular seal member that is mounted around the lid member. apparatus. 前記ハウジング通気路に、空気の出入りを許容しつつ水の出入りを阻止する透湿防水素材が装着されていることを特徴とする請求項1又は請求項2に記載の車両用ブレーキ液圧制御装置。   The vehicular brake hydraulic pressure control device according to claim 1 or 2, wherein a moisture-permeable waterproof material that prevents air from entering and exiting is provided in the housing air passage. . 前記基体の後面側に組み付けられたモータをさらに備えており、
前記基体には、前記前面および前記後面に開口する端子孔が形成されており、
前記端子孔に挿通されたモータバスバーを介して前記モータに電力が供給されており、かつ、前記端子孔を介して前記収納室と前記モータの内部空間とが連通していることを特徴とする請求項1乃至請求項3のいずれか一項に記載の車両用ブレーキ液圧制御装置。
A motor assembled on the rear side of the base body;
The base is formed with terminal holes that open to the front surface and the rear surface,
Electric power is supplied to the motor through a motor bus bar inserted into the terminal hole, and the storage chamber and the internal space of the motor communicate with each other through the terminal hole. The brake fluid pressure control device for a vehicle according to any one of claims 1 to 3.
前記蓋部材は、プレス加工により成形された部材からなり、かつ、前記受け部材に隙間をあけて対向する円板状の本体部と、前記本体部の周縁部に形成された挿入部と、前記挿入部から側方に向って張り出す平面視円帯状の張出部とを備えており、
前記挿入部の外周面と前記リザーバ穴の内周面との間に、前記シール部材が配置されており、
前記張出部が前記リザーバ穴の開口縁部にかしめ固定されている、ことを特徴とする請求項1乃至請求項4のいずれか一項に記載の車両用ブレーキ液圧制御装置。
The lid member is made of a member formed by press working, and has a disc-shaped main body portion facing the receiving member with a gap, an insertion portion formed on a peripheral edge of the main body portion, It has a circular band-shaped projecting portion in plan view that projects from the insertion portion toward the side,
The seal member is disposed between the outer peripheral surface of the insertion portion and the inner peripheral surface of the reservoir hole,
The vehicular brake hydraulic pressure control device according to any one of claims 1 to 4, wherein the overhanging portion is fixed by caulking to an opening edge portion of the reservoir hole.
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