JP2013155831A - Connector apparatus - Google Patents

Connector apparatus Download PDF

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Publication number
JP2013155831A
JP2013155831A JP2012018363A JP2012018363A JP2013155831A JP 2013155831 A JP2013155831 A JP 2013155831A JP 2012018363 A JP2012018363 A JP 2012018363A JP 2012018363 A JP2012018363 A JP 2012018363A JP 2013155831 A JP2013155831 A JP 2013155831A
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Prior art keywords
diameter
insert
receiving member
small
diameter hole
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Inventor
Yoichi Hirano
陽一 平野
Nobuhiro Takamatsu
伸宏 高松
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Nifco Inc
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Nifco Inc
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Abstract

PROBLEM TO BE SOLVED: To facilitate connection, while preventing disconnection.SOLUTION: A receiving member 10 includes a large-diameter hole part 10b and an intermediate-diameter hole part 10c (corresponding to a small-diameter hole part in the claim) formed sequentially from the outside to the inside of a receiving opening part 10a. A cylindrical insertion body 20 includes a large-diameter part 20a and an intermediate-diameter part 20d (corresponding to a small-diameter part in the claim) formed on the side closer to the tip than the large-diameter part 20a. In the intermediate-diameter part 10d, a metal locking member 60 is integrally retained. When the locking member 60 is positioned in the intermediate-diameter hole part 10c, the locking member 60 is covered so as not to be accessed from the outside by the receiving member 10 and the large-diameter part 10a.

Description

本発明は、流体導通用のコネクタ装置に関するものである。   The present invention relates to a connector device for fluid conduction.

流体導通用のコネクタ装置が種々提案されている。特許文献1には、接続具3の開口部周縁に、金属製のクランプ構造16を保持させて、パイプ材1を接続具3内に挿入した状態で、クランプ構造16によってパイプ材1の抜け止めを図るものが開示されている。そして、特許文献1のものでは、パイプ材1の外周にスライド開放部34をスライド可能に設けて、接続状態においてスライド開放部34を接続具3の内方側に向けて押し込むことにより、クランプ構造16のクランプ状態を解除させて、パイプ材1が接続具3から抜け出ることを可能にしたものが開示されている。   Various connector devices for fluid conduction have been proposed. In Patent Document 1, the metal clamp structure 16 is held at the periphery of the opening of the connection tool 3, and the pipe material 1 is prevented from being detached by the clamp structure 16 in a state where the pipe material 1 is inserted into the connection tool 3. There is disclosed a method for achieving the above. And in the thing of patent document 1, the slide open part 34 is provided in the outer periphery of the pipe material 1 so that a slide is possible, and in the connection state, the slide open part 34 is pushed inward toward the inward side of the connection tool 3, and is clamp structure. 16 is disclosed in which the clamped state of 16 is released to allow the pipe member 1 to come out of the connector 3.

特許第2975385号(特開平2−236089公報)Japanese Patent No. 2975385 (JP-A-2-236089)

特許文献1に記載のものは、接続と接続解除とを自由に行えるコネクタ装置となっているが、接続後は、接続解除できないことが要求されるコネクタ装置もある。例えば、エンジンのブローバイガスをエンジン吸気系に還流するためのブローバイガス通路中に介在されるコネクタ装置にあっては、接続の後は、不用意な接続解除によるブローバイガスの大気への漏れ防止や、不正改造防止等の観点から、接続後は工具等によっては容易には接続解除できないようにすることが強く望まれている。この一方、接続そのものは極力容易に行えるようにすることが望まれることになる。   The device described in Patent Document 1 is a connector device that can freely connect and disconnect, but there is also a connector device that is required to be unable to be disconnected after connection. For example, in a connector device interposed in a blow-by gas passage for returning engine blow-by gas to the engine intake system, after connection, blow-by gas is prevented from leaking to the atmosphere by inadvertent release. From the standpoint of preventing unauthorized modification, it is strongly desired that the connection cannot be easily released with a tool or the like after connection. On the other hand, it is desirable to make the connection itself as easy as possible.

本発明は以上のような事情を勘案してなされたもので、その目的は、接続を容易に行えるようにしつつ、接続後は工具等によっても容易には接続解除できないようにしたコネクタ装置を提供することにある。   The present invention has been made in view of the circumstances as described above, and an object thereof is to provide a connector device that can be easily connected and cannot be easily disconnected by a tool or the like after connection. There is to do.

前記目的を達成するため、本発明にあっては、基本的に、金属製の係止部材を一体的に保持した挿入体を受け部材内に挿入するだけで、係止部材が受け部材の内壁に係止されることにより接続が行われるようにしてある。そして、挿入体には、係止部材よりも基端側において大径部を形成して、この大径部も受け部材内に挿入されるようにしてある。これにより、接続状態においては、係止部材が、受け部材で覆われる共に、挿入体の大径部でも覆われることになり、外部から係止部材にアクセスすることが不可能になる。   In order to achieve the above object, in the present invention, basically, the locking member is simply inserted into the receiving member, and the locking member is connected to the inner wall of the receiving member. The connection is made by being locked to the. The insertion body is formed with a large-diameter portion on the proximal end side with respect to the locking member, and the large-diameter portion is also inserted into the receiving member. Thus, in the connected state, the locking member is covered with the receiving member and is also covered with the large-diameter portion of the insertion body, making it impossible to access the locking member from the outside.

具体的には、本発明にあっては次のような解決手法を採択してある。すなわち、請求項1に記載のように、
流体導通用のコネクタ装置であって、
受入用開口部を有するように形成され、該受入用開口部の外方側から内方側に向けて順次大径孔部と小径孔部とが形成された受け部材と、
筒状に形成され、前記大径孔部内に挿入可能な大径部と、該大径部よりも先端側に形成されて前記小径孔部内に挿入可能な小径部とを有する挿入体と、
前記挿入体を前記受け部材内に挿入したときに該挿入体と該受け部材との間をシールするシール部材と、
前記小径部に一体的に保持され、前記小径部を前記小径孔部に挿入したときに、該小径孔部の内壁に係止されて前記挿入体の前記受け部材からの抜けを防止する金属製の係止部材と、
を備え、
前記小径部を前記小径孔部に挿入して前記係止部材によって係止が行われた接続状態において、該係止部材が、前記受け部材および前記大径部によって外部からアクセスできないように遮蔽されている、
ようにしてある。
Specifically, the following solution is adopted in the present invention. That is, as described in claim 1,
A connector device for fluid conduction,
A receiving member which is formed to have a receiving opening, and in which a large-diameter hole and a small-diameter hole are sequentially formed from the outer side to the inner side of the receiving opening;
An insert having a large-diameter portion that is formed in a cylindrical shape and that can be inserted into the large-diameter hole, and a small-diameter portion that is formed on the tip side of the large-diameter portion and can be inserted into the small-diameter hole;
A seal member that seals between the insert and the receiving member when the insert is inserted into the receiving member;
A metal that is integrally held by the small-diameter portion and that is locked to the inner wall of the small-diameter hole when the small-diameter portion is inserted into the small-diameter hole and prevents the insert from coming off from the receiving member. A locking member of
With
In the connected state in which the small diameter portion is inserted into the small diameter hole portion and locked by the locking member, the locking member is shielded from being accessed from the outside by the receiving member and the large diameter portion. ing,
It is like that.

上記解決手法によれば、挿入体を受け部材内に挿入して、係止部材が受け部材の小径孔部の内壁に係止されることにより接続が完了される。つまり、係止部材が小径孔内に位置される所定深さまで挿入体を受け部材内に挿入するという極めて簡単な手法によって、接続が行われることになる。勿論、この接続状態では、シール部材によって、接続部からの流体もれが防止される。また、接続状態においては、係止部材は、その周囲が、受け部材および挿入体の大径部によって覆われることになり、外部から工具等によって係止部材にアクセスすることが不可能となり、不正改造等の目的で接続解除することが不可能となる。   According to the above solution, the insertion is inserted into the receiving member, and the locking member is locked to the inner wall of the small-diameter hole of the receiving member, thereby completing the connection. That is, the connection is made by a very simple method in which the engaging member is inserted into the member up to a predetermined depth where the locking member is positioned in the small diameter hole. Of course, in this connected state, fluid leakage from the connecting portion is prevented by the seal member. In the connected state, the periphery of the locking member is covered with the receiving member and the large-diameter portion of the insert, making it impossible to access the locking member with a tool or the like from the outside. It becomes impossible to release the connection for the purpose of remodeling.

上記解決手法を前提とした好ましい態様は、特許請求の範囲における請求項2以下に記載のとおりである。すなわち、
前記大径孔部の内壁と前記大径部との一方に弾性爪部が形成されると共に、他方に該弾性爪部が乗り越えて係合される係合部が形成され、
前記弾性爪部と前記係合部との係合は、前記係止部材が前記小径孔部に位置した状態で行われる、
ようにしてある(請求項2対応)。この場合、挿入体を受け部材内に挿入して、係止部材が小径孔部の内壁に係止された接続状態となったことを、弾性爪部が係合部を乗り越えたときの節度感あるいはそのときに発生する係合音によって明確に知ることができ、接続不良を避ける点で極めて好ましいものとなる。
A preferred mode based on the above solution is as described in claim 2 and the following claims. That is,
An elastic claw portion is formed on one of the inner wall of the large-diameter hole portion and the large-diameter portion, and an engagement portion is formed on the other to be engaged with the elastic claw portion.
The engagement between the elastic claw portion and the engagement portion is performed in a state where the locking member is located in the small diameter hole portion.
(Corresponding to claim 2). In this case, when the insertion member is inserted into the receiving member and the locking member is locked to the inner wall of the small-diameter hole portion, the sense of moderation when the elastic claw portion gets over the engaging portion. Or it can know clearly by the engagement sound which generate | occur | produces at that time, and becomes very preferable at the point which avoids a connection defect.

前記大径孔部の内壁と前記大径部の外壁とのいずれか一方に径方向に突出する突起部が形成されると共に、他方に該突起部がガイドされる溝部が形成され、
前記突起部が前記溝部にガイドされつつ、前記受け部材に対する前記挿入体の挿入が行われる、
ようにしてある(請求項3対応)。この場合、突起部と溝部とのガイド作用によって、挿入体を受け部材に対してまっすぐ挿入することができる(回転防止機能)。このことは、挿入体を受け部材に挿入していく過程において、係止部材によって小径孔部の内壁が回転方向に不必要に傷つけられてしまう事態を防止する等の点で好ましいものとなる。
A projection that projects in the radial direction is formed on one of the inner wall of the large-diameter hole and the outer wall of the large-diameter portion, and a groove that guides the projection is formed on the other.
The insertion body is inserted into the receiving member while the protrusion is guided by the groove.
(Corresponding to claim 3). In this case, the insertion body can be inserted straight into the receiving member by the guide action of the protrusion and the groove (rotation prevention function). This is preferable in terms of preventing a situation where the inner wall of the small-diameter hole is unnecessarily damaged in the rotation direction by the locking member in the process of inserting the insert into the receiving member.

前記挿入体の基端部には、ホース部材がカシメ部材によって固定、連結されており、
前記接続状態において、前記カシメ部材が前記受け部材によって径方向外方側から覆われる状態とされる、
ようにしてある(請求項4対応)。この場合、ホース部材を利用してブローバイガス通路を構成しつつ、接続状態においては、ホース部材と挿入体とを固定、連結するカシメ部材に対しても外部からアクセスできないようにして、ホース部材を挿入体から取外すという不正改造防止等の点で好ましいものとなる。
A hose member is fixed and connected to the proximal end portion of the insert by a caulking member,
In the connected state, the crimping member is covered from the radially outer side by the receiving member.
(Corresponding to claim 4). In this case, while using the hose member to configure the blow-by gas passage, in the connected state, the hose member is fixed so that the hose member and the insert are fixed and coupled so that the hose member cannot be accessed from the outside. This is preferable in terms of preventing unauthorized modification such as removal from the insert.

前記係止部材が、リング状の本体部と、該本体部の周方向に間隔をあけて形成された多数の係止爪部と、を有し、
前記係止爪部は、前記本体部の径方向外方側に向かうにつれて、前記挿入体の基端部側に向かうように傾斜されている、
ようにしてある(請求項5対応)。この場合、係止部材の具体的な構成例が提供される。そして、係止爪部は、挿入体を受け部材から引き抜こうとしたときに、小径孔部の内壁に食い込むような強い係止作用を発揮するので、強固な接続状態の確保という点でも極めて好ましいものとなる。
The locking member has a ring-shaped main body portion and a number of locking claw portions formed at intervals in the circumferential direction of the main body portion,
The locking claw portion is inclined so as to go to the proximal end side of the insert as it goes to the radially outer side of the main body portion.
(Corresponding to claim 5). In this case, a specific configuration example of the locking member is provided. And, since the locking claw portion exerts a strong locking action that bites into the inner wall of the small diameter hole portion when trying to pull out the insert from the receiving member, it is extremely preferable in terms of securing a strong connection state. It becomes.

前記受け部材が合成樹脂によって形成されている、ようにしてある(請求項6対応)。この場合、係止部材を小径孔部の内壁に容易に食い込ませることが可能となって、強固な接続状態の確保という点でさらに好ましいものとなる。   The receiving member is made of synthetic resin (corresponding to claim 6). In this case, the locking member can be easily bited into the inner wall of the small-diameter hole, which is further preferable in terms of securing a strong connection state.

前記接続状態において、前記シール部材が、前記係止部材よりも前記挿入体の先端側に位置されている、ようにしてある(請求項7対応)。この場合、シール部材によるシール作用を確実に得る上で好ましいものとなる。すなわち、シール部材を挿入体に取付けた場合は、受け部材内面のうち係止部材が摺接されることのない面でもってシールすることができる。また、シール部材を受け部材に取付けた場合は、シール部材が係止部材と接触して損傷されてしまうことがない。   In the connected state, the seal member is positioned closer to the distal end side of the insert than the locking member (corresponding to claim 7). In this case, it is preferable to obtain the sealing action by the sealing member with certainty. That is, when the seal member is attached to the insert, it can be sealed with the surface of the receiving member inner surface where the locking member is not slidably contacted. Further, when the seal member is attached to the receiving member, the seal member does not come into contact with the locking member to be damaged.

流体がエンジンのブローバイガスとされて、前記受け部材と前記挿入体とがブローバイガス通路の一部を構成しており、
前記受け部材が、エンジンの吸気系に連なっている、
ようにしてある(請求項8対応)。この場合、接続解除不能とすることが強く要求されるブローバイガス通路用のコネクタ装置として好適である。
The fluid is engine blow-by gas, and the receiving member and the insert constitute a part of the blow-by gas passage,
The receiving member is connected to the intake system of the engine;
This is done (corresponding to claim 8). In this case, it is suitable as a connector device for a blow-by gas passage that is strongly required to be unable to be disconnected.

本発明によれば、接続そのものは簡単に行えるようにしつつ、工具等によっては接続解除を行えないようにしたコネクタ装置を提供することができる。   According to the present invention, it is possible to provide a connector device in which the connection itself can be easily performed, but the connection cannot be canceled by a tool or the like.

本発明の一実施形態を示すもので、受け部材と挿入体との接続前の状態を示す側面断面図。Side surface sectional drawing which shows one Embodiment of this invention and shows the state before the connection of a receiving member and an insertion body. 挿入体と受け部材との接続状態を示す側面断面図。Side surface sectional drawing which shows the connection state of an insertion body and a receiving member. 図2の符合Dで示す部分の拡大断面図。The expanded sectional view of the part shown by the code | symbol D of FIG. 図2のX4−X4線相当断面図。FIG. 3 is a cross-sectional view corresponding to line X4-X4 of FIG. 図1、図2に示すコネクタ装置の分解斜視図。The disassembled perspective view of the connector apparatus shown in FIG. 1, FIG. カシメ部材の一例を示す斜視図。The perspective view which shows an example of a crimping member. 金属係止部材と挿入体との組付部分を示す斜視図。The perspective view which shows the assembly | attachment part of a metal locking member and an insertion body. 挿入体の先端部分を示す斜視図。The perspective view which shows the front-end | tip part of an insertion body. 受け部材に対して挿入体を挿入する直前の状態を示す斜視図。The perspective view which shows the state just before inserting an insertion body with respect to a receiving member. 挿入体と受け部材との接続状態を示す斜視図。The perspective view which shows the connection state of an insertion body and a receiving member. 図10の接続状態を別の方向から見た斜視図。The perspective view which looked at the connection state of FIG. 10 from another direction.

図1、図2において、1は内部が吸気通路と連通された吸気系部材であり、この吸気系部材1からは、筒状の受け部材10が一体形成されている。また、挿入体が符合20で示され、この挿入体20に対してカシメ部材30によって連結、固定されるホース部が符合40で示される。さらに、シール部材が符合50で示され、係止部材が符合60で示される。シール部材50と係止部材60とはそれぞれ、後述するようにして挿入体20に組み込まれる。吸気系部材1つまり受け部材10は合成樹脂によって形成され、挿入体20も合成樹脂によって形成され、ホース部材40はゴム部材によって形成されている。   1 and 2, reference numeral 1 denotes an intake system member whose inside communicates with an intake passage, and a cylindrical receiving member 10 is integrally formed from the intake system member 1. An insert is indicated by reference numeral 20, and a hose portion connected and fixed to the insert 20 by a caulking member 30 is indicated by reference numeral 40. Further, the seal member is indicated by reference numeral 50 and the locking member is indicated by reference numeral 60. The seal member 50 and the locking member 60 are each incorporated into the insert 20 as described later. The intake system member 1, that is, the receiving member 10 is made of synthetic resin, the insert 20 is also made of synthetic resin, and the hose member 40 is made of a rubber member.

挿入体20は、筒状とされて、大径部20aを有する。この大径部20aよりも基端部側に、ホース部材40が連結、固定される連結部20bが形成されている。この連結部20bの外径は、大径部20aの外径よりも小さくされて、カシメ部材30を利用して連結部20bにホース部材40を連結、固定した状態において、ホース部材40を含む外径が、大径部20aの外径よりも若干小さくなるように設定されている。なお、連結部20bの基端部には、ホース部材40の抜け止めをより確実にするために、連結部20bの外径よりも若干大きな外径を有する抜け止め用大径部20cが形成されている。   The insert 20 is cylindrical and has a large diameter portion 20a. A connecting portion 20b to which the hose member 40 is connected and fixed is formed closer to the base end side than the large diameter portion 20a. The outer diameter of the connecting portion 20b is smaller than the outer diameter of the large-diameter portion 20a, and the hose member 40 is connected to the connecting portion 20b using the caulking member 30 and fixed. The diameter is set to be slightly smaller than the outer diameter of the large diameter portion 20a. Note that a large-diameter portion 20c for retaining that has an outer diameter slightly larger than the outer diameter of the connecting portion 20b is formed at the base end portion of the connecting portion 20b in order to more reliably prevent the hose member 40 from being detached. ing.

カシメ部材30の一例が、図6に示される。すなわち、カシメ部材50は、使用前においては図6左側部分に示すように、周方向に分断されたリング状とされて、大径状態とされている。この大径状態のカシメ部材30を、例えばホース部材40に嵌合させた状態で、ホース部材40が挿入体20の基端部に嵌合される。この嵌合状態で、カシメ部材30の端部に形成された係合部31と32同士を周方向に接近させつつ係合させることにより、図6右側部分に示すように、周方向に閉じられた完全なリング状でかつ縮径状態とされる。この縮径状態のカシメ部材30によって、ホース部材40が挿入体20に対して強固に連結、固定される。   An example of the caulking member 30 is shown in FIG. That is, as shown in the left side of FIG. 6, the caulking member 50 is formed in a ring shape divided in the circumferential direction and in a large diameter state before use. The hose member 40 is fitted to the proximal end portion of the insertion body 20 in a state in which the caulking member 30 in the large diameter state is fitted to the hose member 40, for example. In this fitted state, the engagement portions 31 and 32 formed at the end portion of the crimping member 30 are engaged with each other while approaching each other in the circumferential direction, thereby being closed in the circumferential direction as shown in the right part of FIG. In addition, it is a complete ring shape and a reduced diameter state. The hose member 40 is firmly connected to and fixed to the insertion body 20 by the crimped member 30 in the reduced diameter state.

なお、カシメ部材30としては適宜の構造のものを用いることができる。例えば、使用前においては周方向に分断されたリング状とされているものにおいて、その周方向一端部に係止孔を形成する一方、他端部に、例えば径方向外方側に向けた切り起こしによって係止爪部を形成したものを用いることができる。この場合、縮径させたときに係止爪部を係止孔内に係合させることにより、この縮径状態が維持されることになる。また、上記のようなカシメ部材において、周方向一端部側に周方向に長く延びるガイド孔を形成する一方、周方向他端部側に該ガイド孔に嵌合される位置決め突起部を例えば径方向外方側に向けて膨出形成して、位置決め突起部をガイド孔内に挿入した状態で縮径しつつ、最終的に係止爪部を係止孔に係合させるようにしてもよく、この場合は、幅方向の位置づれを防止する上で好ましいものとなる。さらに、周方向一端側と他端部側にそれぞれ、径方向外方側に向けて突出する操作用突起部を形成して、例えば片方の親指と中指とを操作用突起部に引っ掛けて縮径作業を行うこともできる。この他、カシメ部材30としては、縮径状態を維持するために別途締結ねじ等の別部材を利用したものであってもよい。   The caulking member 30 may have an appropriate structure. For example, in the case of a ring shape that is divided in the circumferential direction before use, a locking hole is formed at one end in the circumferential direction, and a cut is made at the other end, for example, radially outward. What formed the latching nail | claw part by raising can be used. In this case, the reduced diameter state is maintained by engaging the locking claw portion in the locking hole when the diameter is reduced. Further, in the caulking member as described above, a guide hole extending in the circumferential direction is formed on one end side in the circumferential direction, and a positioning protrusion fitted in the guide hole is disposed on the other end side in the circumferential direction, for example It may be formed to bulge outward and reduce the diameter in a state where the positioning projection is inserted into the guide hole, and finally engage the locking claw with the locking hole, In this case, it is preferable for preventing the positional displacement in the width direction. Furthermore, an operation protrusion that protrudes radially outward is formed on each of the circumferential end and the other end. For example, one thumb and middle finger are hooked on the operation protrusion to reduce the diameter. You can also do work. In addition, as the caulking member 30, another member such as a fastening screw may be used separately in order to maintain the reduced diameter state.

挿入体20は、大径部20aよりも先端部側(受け部材10への挿入端部側)において、中径部20dを有し、この中径部20dよりもさらに先端側に小径部20eを有する。この中径部20dに対して、後述するように係止部材60が一体的に保持されている。そして、小径部20eに形成された環状の取付溝部20fに対して、例えば0リングからなる前記シール部材50が嵌合、保持されている(特に図3、図8参照)。   The insert 20 has an intermediate diameter portion 20d on the distal end side (insertion end side to the receiving member 10) from the large diameter portion 20a, and a small diameter portion 20e further on the distal end side than the intermediate diameter portion 20d. Have. As will be described later, the locking member 60 is integrally held with respect to the middle diameter portion 20d. And the said sealing member 50 which consists of 0 rings, for example is fitted and hold | maintained with respect to the cyclic | annular attachment groove part 20f formed in the small diameter part 20e (refer especially FIG. 3, FIG. 8).

係止部材60の一例が、図7に示される。この係止部材60は、金属製とされて(例えば鉄径金属部材により形成)、リング状(円環状)の本体部61と、本体部61の周方向に間隔をあけて多数形成された係止爪部62と、を有する。係止部材60を挿入体20に組み付けた状態では、係止爪部62は、本体部61の径方向外方側に向かうにつれて徐々に挿入体20の基端部側(ホース部材40が連結、固定される側)に向かうように傾斜されている。   An example of the locking member 60 is shown in FIG. The locking member 60 is made of metal (for example, formed of an iron-diameter metal member), and is formed with a ring-shaped (annular) main body 61 and a large number of the main body 61 in the circumferential direction at intervals. And a pawl portion 62. In a state in which the locking member 60 is assembled to the insertion body 20, the locking claw 62 gradually moves toward the base end side of the insertion body 20 (the hose member 40 is connected, It is inclined so as to face the fixed side.

挿入体20は、係止部材60の保持のために、中径部20d部分の中間部を境にして、第1構成部材21と第2構成部材22との分割構成とされている(図3,図5参照)。すなわち大径部20aを有する第1構成部材21の先端部外周縁部に、周方向に間隔をあけて多数の凹部20gが形成されている(図7参照)。この凹部20gは、係止部材60の多数の係止爪部62に対応したもので、本体部61を第1構成部材21の先端面に当接させた状態で、係止爪部62が凹部20gに嵌合されて、係止部材60が第1構成部材21に対して相対回転するのが規制される。そして、係止爪部62は、凹部20gに嵌合されている状態では、中径部20dの外周面から若干径方向外方側に突出するようにその長さが設定されている。   In order to hold the locking member 60, the insert 20 is divided into a first component 21 and a second component 22 with an intermediate portion of the middle diameter portion 20d as a boundary (FIG. 3). FIG. 5). That is, many recessed parts 20g are formed in the outer peripheral edge part of the front-end | tip part of the 1st structural member 21 which has the large diameter part 20a at intervals in the circumferential direction (refer FIG. 7). The recess 20g corresponds to the many locking claws 62 of the locking member 60, and the locking claw 62 is recessed in the state where the main body 61 is in contact with the distal end surface of the first component 21. It is fitted to 20 g and the relative rotation of the locking member 60 with respect to the first component member 21 is restricted. The length of the locking claw 62 is set so as to protrude slightly outward in the radial direction from the outer peripheral surface of the medium diameter portion 20d in a state where it is fitted in the recess 20g.

係止爪部62を凹部20gに嵌合させた状態で、第2構成部材22が第1構成部材21に対して、例えば溶着等によって一体化される。すなわち、係止部材60は、第1構成部材21と第2構成部材22とで軸方向から挟持された状態で、この各構成部材21と22(つまり挿入体20)に一体的に保持されることになる(図3参照)。   The second component 22 is integrated with the first component 21 by, for example, welding or the like in a state where the locking claw 62 is fitted in the recess 20g. That is, the locking member 60 is integrally held by the component members 21 and 22 (that is, the insertion body 20) while being held between the first component member 21 and the second component member 22 from the axial direction. (See FIG. 3).

図1〜図3において、前記受け部材10は、挿入体20が挿入されるように先端開口部10aを有する。そして、受け部材10の内径は、先端開口部10aから内方側に向けて順次、大径孔部10b、中径孔部10c、小径孔部10dとされている。大径孔部10bの内径は、挿入体20の大径部20aよりもわずかに大きくされている。また、中径孔部10cの内径は、挿入体20の中径部20dの外径よりもわずかに大きくなるように形成される一方、自由状態にある係止部材60の外径(係止爪部62を含む外径)よりも若干小さくなるように設定されている。さらに、小径孔部10dの内径は、挿入体20の小径部20eの外径よりもわずかに大きく形成される一方、この小径部20eに取付けられた自由状態にあるシール部材50の外径よりも若干小さくなるように設定されている。   1-3, the said receiving member 10 has the front-end | tip opening part 10a so that the insertion body 20 may be inserted. And the internal diameter of the receiving member 10 is made into the large diameter hole part 10b, the medium diameter hole part 10c, and the small diameter hole part 10d sequentially toward the inward side from the front-end | tip opening part 10a. The inner diameter of the large-diameter hole portion 10 b is slightly larger than the large-diameter portion 20 a of the insert 20. In addition, the inner diameter hole portion 10c is formed so that the inner diameter thereof is slightly larger than the outer diameter of the intermediate diameter portion 20d of the insert 20, while the outer diameter of the locking member 60 in the free state (the locking claw). The outer diameter including the portion 62 is set to be slightly smaller. Further, the inner diameter of the small-diameter hole portion 10d is slightly larger than the outer diameter of the small-diameter portion 20e of the insertion body 20, while the outer diameter of the seal member 50 in a free state attached to the small-diameter portion 20e. It is set to be slightly smaller.

挿入体20の大径部20aには、径方向外方側に向けて突出する突起部23が形成されている(図4、図5、図7をも参照)。また、大径部20aには、突起部23とは径方向反対側において、弾性爪部24が突出形成されている(図8をも参照)。この弾性爪部24は、挿入体20の径方向外方側に向かうにつれて、徐々に挿入体20の基端部側に向かうように傾斜されている。   The large-diameter portion 20a of the insert 20 is formed with a protrusion 23 that protrudes outward in the radial direction (see also FIGS. 4, 5, and 7). In addition, an elastic claw portion 24 is formed on the large diameter portion 20a so as to protrude on the side opposite to the projection portion 23 in the radial direction (see also FIG. 8). The elastic claw portion 24 is inclined so as to gradually go toward the proximal end side of the insert 20 as it goes outward in the radial direction of the insert 20.

前記突起部23に対応させて、受け部材10の大径孔部10bには、径方向外方側に向けて膨出された溝部11が形成されている(図4をも参照)。この溝部11は、受入用開口部20aに開口されていると共に、大径孔部10bの軸方向ほぼ全長に渡って存在するように形成されている。また、前記弾性爪部24に対応させて、受け部材10の大径孔部10bの内面側には、段差状に係合部12が形成されている。   Corresponding to the protrusion 23, the large-diameter hole 10b of the receiving member 10 is formed with a groove 11 bulging outward in the radial direction (see also FIG. 4). The groove 11 is formed in the receiving opening 20a so as to exist over almost the entire length in the axial direction of the large-diameter hole 10b. Further, the engaging portion 12 is formed in a stepped manner on the inner surface side of the large-diameter hole portion 10 b of the receiving member 10 so as to correspond to the elastic claw portion 24.

挿入体20を受け部材10内に挿入する際には、突起部23を溝部11に整合させた状態で(周方向の位置決めを行った状態で)、突起部23が溝部11内をスライドするようにして行われる。そして、挿入体20に保持された係止部材60が受け部材10の中径部10cに到達している所定挿入深さとなったときに、弾性爪部24が係合部12を乗り越えるようにされている。なお、受け部材10における大径孔部10bの背面(受入用開口部10aとは軸方向反対側の面)には、係合部12に臨むようにして孔部13が形成されている。   When the insertion body 20 is inserted into the receiving member 10, the protrusion 23 slides in the groove 11 with the protrusion 23 aligned with the groove 11 (with the circumferential positioning performed). Is done. Then, when the locking member 60 held by the insertion body 20 reaches a predetermined insertion depth reaching the medium diameter portion 10c of the receiving member 10, the elastic claw portion 24 gets over the engaging portion 12. ing. A hole 13 is formed on the back surface of the large-diameter hole 10b in the receiving member 10 (a surface on the opposite side to the receiving opening 10a in the axial direction) so as to face the engaging portion 12.

以上のような構成において、挿入体20は、あらかじめ、カシメ部材30によってホース部材40が取付けられ、またシール部材50と係止部材60とが組み付けられた状態とされる(図1〜図4の他、図8、図9をも参照)。この状態で、挿入体20が受け部材10内に挿入されるが、この挿入は、突起部23を溝部11に整合させつつ、突起部23が溝部11内をスライドするようにして行われる。   In the configuration as described above, the insert 20 is in a state where the hose member 40 is attached in advance by the caulking member 30 and the seal member 50 and the locking member 60 are assembled (see FIGS. 1 to 4). (See also FIGS. 8 and 9). In this state, the insert 20 is inserted into the receiving member 10, and this insertion is performed such that the protrusion 23 slides in the groove 11 while aligning the protrusion 23 with the groove 11.

係止部材60が受け部材10の中径孔部10cに達している所定挿入深さにまでなると、挿入体20に形成された弾性爪部24が、受け部材10に形成された係合部12を乗り越えることになり、これにより、作業者は、係止部材60が所定位置に位置したことを容易に確認することができる。すなわち、弾性爪部24が係合部12を乗り越えた際の節度感が作業者に与えられることになる。また、弾性爪部24は、係合部12を乗り越える途中状態から完全に乗り越える際に、一端径方向内方側に弾性変形された状態から弾性復帰されるが、このときに適度の係合音が発生されて、この係合音によっても作業者は係止部材60が所定位置にあることが確認される。   When the locking member 60 reaches a predetermined insertion depth reaching the medium-diameter hole 10c of the receiving member 10, the elastic claw portion 24 formed on the insertion body 20 is engaged with the engaging portion 12 formed on the receiving member 10. Thus, the operator can easily confirm that the locking member 60 is located at the predetermined position. That is, a feeling of moderation when the elastic claw portion 24 gets over the engaging portion 12 is given to the operator. Further, the elastic claw 24 is elastically restored from the state of being elastically deformed inward in the radial direction at the time of completely climbing from the midway state over the engaging portion 12. The operator confirms that the locking member 60 is in a predetermined position also by this engagement sound.

なお、所定深さ以上深く挿入体20が受け部材10に対して挿入されてしまうことは、例えば挿入体20の大径部10aが受け部材10の中径部10cの先端側開口縁部に当接することによって規制される。また、係止部材60が受け部材10の中径部10cに位置し始めた状態でさらに挿入体20を挿入する際には、係止爪部62が容易に弾性変形されて、係止部材60が挿入体20の挿入を阻害することはない。   Note that the insertion body 20 being inserted into the receiving member 10 deeper than a predetermined depth means that, for example, the large-diameter portion 10a of the insertion body 20 is in contact with the opening-side opening edge of the middle-diameter portion 10c of the receiving member 10. It is regulated by touching. When the insertion member 20 is further inserted in a state where the locking member 60 starts to be positioned at the middle diameter portion 10c of the receiving member 10, the locking claw portion 62 is easily elastically deformed, and the locking member 60 Does not inhibit the insertion of the insert 20.

弾性爪部24が係合部12を乗り越えた状態を示す図2,図3が、接続状態(接続完了状態)となる。この接続状態では、係止部材60は、挿入体20を受け部材10から引き抜く方向の外力に対しては、その係止爪部62が中径孔部10cの内壁に強く係止されて対抗することになり、引き抜き不能とされる。特に、受け部材10を合成樹脂で形成した場合は、挿入体20を引き抜こうとした際に、係止爪部62が径方向外方側に突出するような作用を受けるので、この係止爪部62が中径孔部10cの内壁に少なからず食い込むことになり、係止部材60による係止作用が極めて強固なものとなる。   2 and 3 showing a state in which the elastic claw portion 24 has passed over the engaging portion 12 are in a connected state (connection complete state). In this connected state, the locking member 60 counteracts the external force in the direction in which the insertion body 20 is pulled out from the receiving member 10 by strongly locking the locking claw 62 with the inner wall of the medium diameter hole 10c. As a result, it cannot be pulled out. In particular, when the receiving member 10 is formed of a synthetic resin, when the insertion body 20 is pulled out, the engaging claw 62 receives an action that protrudes outward in the radial direction. 62 will bite into the inner wall of the medium-diameter hole 10c, and the locking action by the locking member 60 will be extremely strong.

接続状態では、シール部材50によって、シールもれが防止されることになる。受け部材10と挿入体20との接続は、挿入体20を受け部材10内に挿入するだけでよいので、極めて簡単に行うことができる。また、実施形態では、挿入体20を受け部材10内に挿入していく過程において、シール部材50が受け部材10の内面(特に中径孔部10cの内面)によって大きく圧縮されないようにして、シール部材の保護やスムーズな挿入を確保する等の上で好ましいものとなる。勿論、シール部材50は係止部材60よりも挿入体20の先端側に位置されているので、受け部材10の内面のうちシール部材50によってシールされる位置は、係止部材60が摺接されることがないので(係止部材60によって傷付けられる面ではないので)、良好なシール性確保の上で好ましいものとなる。   In the connected state, the seal member 50 prevents seal leakage. The connection between the receiving member 10 and the insert 20 can be performed very simply because it is only necessary to insert the insert 20 into the receiving member 10. In the embodiment, in the process of inserting the insert 20 into the receiving member 10, the sealing member 50 is prevented from being greatly compressed by the inner surface of the receiving member 10 (particularly the inner surface of the medium-diameter hole portion 10 c). This is preferable in terms of securing members and ensuring smooth insertion. Of course, since the seal member 50 is positioned on the distal end side of the insertion body 20 with respect to the locking member 60, the locking member 60 is slidably contacted at the position sealed by the sealing member 50 on the inner surface of the receiving member 10. (It is not a surface damaged by the locking member 60), which is preferable in terms of ensuring good sealing performance.

図2,図3から容易に理解されるように、接続状態において、係止部材60は、その径方向外方側が受け部材10によって遮蔽され、また受け部材10の受入用開口部10a側は挿入体20の大径部20aによって遮蔽されることになる。したがって、接続状態から、工具等を外部から係止部材60に対してアクセスさせることが確実に規制されて、接続解除が不能とされる。   As can be easily understood from FIGS. 2 and 3, in the connected state, the locking member 60 is shielded by the receiving member 10 on the radially outer side, and the receiving opening 10 a side of the receiving member 10 is inserted. The large diameter portion 20a of the body 20 is shielded. Therefore, the access to the locking member 60 from outside is reliably restricted from the connected state, and the connection cannot be released.

また、接続状態では、カシメ部材30が、受け部材10の大径孔部10bによって遮蔽されるので、ホース部材40を挿入体20から取外すことも不可能とされる。   Further, in the connected state, the caulking member 30 is shielded by the large-diameter hole portion 10b of the receiving member 10, so that it is impossible to remove the hose member 40 from the insertion body 20.

なお、後の検査工程等において、受け部材10に形成された孔部13を通して弾性爪部24の存在を確認することにより、係止部材60による係止作用がきちんと得られていることを容易に確認することができる(図3参照)。   In the subsequent inspection process or the like, it is easy to confirm that the locking action by the locking member 60 is properly obtained by confirming the presence of the elastic claw portion 24 through the hole 13 formed in the receiving member 10. This can be confirmed (see FIG. 3).

以上実施形態について説明したが、本発明は、実施形態に限定されるものではなく、特許請求の範囲の記載された範囲において適宜の変更が可能であり、例えば次のような場合をも含むものである。受け部材10,挿入体20は適宜の材質で形成することができ、金属製とすることもできる。特に受け部材10を金属製とする場合は、係止部材60が係止される内壁面を粗く形成しておくのが(例えば鋳造されるときの鋳肌のような粗さ)、係止部材60による強固な係止作用を得る上で好ましいものとなる。また、中径孔部10cの内壁面に、わずかに突出する環状の係止段部を形成しておいて、挿入体20の受け部材10に対する挿入時には係止爪部62が係止段部を乗り越えることができ、係止段部を乗り越えた後の状態が接続状態となるようにすることにより、係合段部をも利用したより強固な抜け止め作用が得られることになる。   Although the embodiment has been described above, the present invention is not limited to the embodiment, and can be appropriately changed within the scope described in the scope of claims. For example, the invention includes the following cases. . The receiving member 10 and the insert 20 can be formed of an appropriate material, and can be made of metal. In particular, when the receiving member 10 is made of metal, it is preferable that the inner wall surface to which the locking member 60 is locked is formed rough (for example, roughness like a casting surface when cast). This is preferable for obtaining a strong locking action by 60. Further, a slightly protruding annular locking step portion is formed on the inner wall surface of the medium-diameter hole portion 10c, and the locking claw portion 62 serves as a locking step portion when the insert 20 is inserted into the receiving member 10. By being able to get over and making the state after getting over the locking stepped portion become a connected state, a stronger retaining action using the engaging stepped portion can be obtained.

挿入体20の中径部20dと小径部20eとが請求項における小径部を構成しているが、この中径部20dと小径部20eとを互いに同一の径としてもよい。シール部材50を、係止部材60よりも挿入体20の基端部側に設けるようにしてもよく、また受け部材10側に保持させておくようにしてもよい。ホース部材40の代わりに、例えば合成樹脂あるいは金属製の管を用いてブローバイガス通路を構成して、このブローバイガス通路に対して挿入体20を溶着、溶接、接着等により強固に一体化しておくようにしてもよい。この場合は、カシメ部材30が不要になるので、受け部材10の大径孔部10bの軸方向長さをカシメ部材30を遮蔽しなくてすむ分短くすることができるが、受け部材10によって上記溶着、溶接、接着等の部位を覆うようにしてもよい。   The medium diameter portion 20d and the small diameter portion 20e of the insert 20 constitute a small diameter portion in the claims, but the medium diameter portion 20d and the small diameter portion 20e may have the same diameter. The seal member 50 may be provided closer to the proximal end portion of the insertion body 20 than the locking member 60, or may be held on the receiving member 10 side. Instead of the hose member 40, for example, a synthetic resin or metal pipe is used to form a blow-by gas passage, and the insert 20 is firmly integrated with the blow-by gas passage by welding, welding, adhesion, or the like. You may do it. In this case, since the caulking member 30 is not necessary, the axial length of the large-diameter hole portion 10b of the receiving member 10 can be shortened as long as the caulking member 30 is not shielded. You may make it cover parts, such as welding, welding, adhesion | attachment.

弾性爪部24を受け部材10側に形成する一方、これに対応した係合部12を挿入体20側に形成してもよい。また、弾性爪部24と係合部12とを設けないようにすることもできる。突起部23を受け部材10側に形成する一方、これに対応した溝部11を挿入体20に形成してもよい。また、突起部23と溝部11とを設けないようにすることもできる。係止部材60(の本体部61)は、周方向に連続しない開構造のリング状とすることもでき、この場合は、挿入体20に形成された取付溝に、係止部材60を拡開させつつ嵌合させることが可能となる。本発明によるコネクタ装置は、ブローバイガス通路の接続用に限らず、流体が導通される適宜の通路の接続用として適用できる。勿論、本発明の目的は、明記されたものに限らず、実質的に好ましいあるいは利点として表現されたものを提供することをも暗黙的に含むものである。   While the elastic claw portion 24 is formed on the receiving member 10 side, the corresponding engaging portion 12 may be formed on the insertion body 20 side. Further, the elastic claw portion 24 and the engaging portion 12 can be omitted. While the protrusion 23 is formed on the receiving member 10 side, the groove 11 corresponding to this may be formed in the insert 20. Further, the protrusion 23 and the groove 11 can be omitted. The locking member 60 (the main body portion 61) can also be formed in a ring shape with an open structure that is not continuous in the circumferential direction. In this case, the locking member 60 is expanded in the mounting groove formed in the insert 20. It becomes possible to make it fit. The connector device according to the present invention can be applied not only for connection of blow-by gas passages but also for connection of appropriate passages through which fluid is conducted. Of course, the object of the present invention is not limited to what is explicitly stated, but also implicitly includes providing what is substantially preferred or expressed as an advantage.

本発明は、例えばブローバイガス通路の接続用として用いて、不正改造による接続解除や不用意な接続解除を防止する上で好ましいものとなる。   The present invention is preferably used for, for example, connection of a blow-by gas passage to prevent disconnection due to unauthorized modification or inadvertent disconnection.

1:吸気系部材
10:受け部材
10a:受入用開口部
10b:大径孔部
10c・中径孔部
10d:小径孔部
11:溝部
12:係合部
13:孔部
20:挿入体
20a:大径部
20b:連結部(ホース部材連結用)
20d:中径部
20e:小径部
20f:取付溝(シール部材用)
20g:凹部(係止部材の係止爪部用)
21:第1構成部材
22:第2構成部材
23:突起部
24:弾性爪部
30:カシメ部材
40:ホース部材
50:シール部材
60:係止部材
61:本体部
62:係止爪部
1: intake system member 10: receiving member 10a: receiving opening 10b: large diameter hole 10c / medium diameter hole 10d: small diameter hole 11: groove 12: engaging portion 13: hole 20: insert 20a: Large diameter portion 20b: connecting portion (for connecting hose member)
20d: Medium diameter part 20e: Small diameter part 20f: Mounting groove (for seal member)
20 g: recessed portion (for locking claw portion of locking member)
21: 1st component member 22: 2nd component member 23: Protrusion part 24: Elastic claw part 30: Caulking member 40: Hose member 50: Seal member 60: Locking member 61: Main body part 62: Locking claw part

Claims (8)

流体導通用のコネクタ装置であって、
受入用開口部を有するように形成され、該受入用開口部の外方側から内方側に向けて順次大径孔部と小径孔部とが形成された受け部材と、
筒状に形成され、前記大径孔部内に挿入可能な大径部と、該大径部よりも先端側に形成されて前記小径孔部内に挿入可能な小径部とを有する挿入体と、
前記挿入体を前記受け部材内に挿入したときに該挿入体と該受け部材との間をシールするシール部材と、
前記小径部に一体的に保持され、前記小径部を前記小径孔部に挿入したときに、該小径孔部の内壁に係止されて前記挿入体の前記受け部材からの抜けを防止する金属製の係止部材と、
を備え、
前記小径部を前記小径孔部に挿入して前記係止部材によって係止が行われた接続状態において、該係止部材が、前記受け部材および前記大径部によって外部からアクセスできないように遮蔽されている、
ことを特徴とするコネクタ装置。
A connector device for fluid conduction,
A receiving member which is formed to have a receiving opening, and in which a large-diameter hole and a small-diameter hole are sequentially formed from the outer side to the inner side of the receiving opening;
An insert having a large-diameter portion that is formed in a cylindrical shape and that can be inserted into the large-diameter hole, and a small-diameter portion that is formed on the tip side of the large-diameter portion and can be inserted into the small-diameter hole;
A seal member that seals between the insert and the receiving member when the insert is inserted into the receiving member;
A metal that is integrally held by the small-diameter portion and that is locked to the inner wall of the small-diameter hole when the small-diameter portion is inserted into the small-diameter hole and prevents the insert from coming off from the receiving member. A locking member of
With
In the connected state in which the small diameter portion is inserted into the small diameter hole portion and locked by the locking member, the locking member is shielded from being accessed from the outside by the receiving member and the large diameter portion. ing,
A connector device.
請求項1において、
前記大径孔部の内壁と前記大径部との一方に弾性爪部が形成されると共に、他方に該弾性爪部が乗り越えて係合される係合部が形成され、
前記弾性爪部と前記係合部との係合は、前記係止部材が前記小径孔部に位置した状態で行われる、
ことを特徴とするコネクタ装置。
In claim 1,
An elastic claw portion is formed on one of the inner wall of the large-diameter hole portion and the large-diameter portion, and an engagement portion is formed on the other to be engaged with the elastic claw portion.
The engagement between the elastic claw portion and the engagement portion is performed in a state where the locking member is located in the small diameter hole portion.
A connector device.
請求項1または請求項2において、
前記大径孔部の内壁と前記大径部の外壁とのいずれか一方に径方向に突出する突起部が形成されると共に、他方に該突起部がガイドされる溝部が形成され、
前記突起部が前記溝部にガイドされつつ、前記受け部材に対する前記挿入体の挿入が行われる、
ことを特徴とするコネクタ装置。
In claim 1 or claim 2,
A projection that projects in the radial direction is formed on one of the inner wall of the large-diameter hole and the outer wall of the large-diameter portion, and a groove that guides the projection is formed on the other.
The insertion body is inserted into the receiving member while the protrusion is guided by the groove.
A connector device.
請求項1ないし請求項3のいずれか1項において、
前記挿入体の基端部には、ホース部材がカシメ部材によって固定、連結されており、
前記接続状態において、前記カシメ部材が前記受け部材によって径方向外方側から覆われる状態とされる、
ことを特徴とするコネクタ装置。
In any one of Claims 1 thru | or 3,
A hose member is fixed and connected to the proximal end portion of the insert by a caulking member,
In the connected state, the crimping member is covered from the radially outer side by the receiving member.
A connector device.
請求項1ないし請求項4のいずれか1項において、
前記係止部材が、リング状の本体部と、該本体部の周方向に間隔をあけて形成された多数の係止爪部と、を有し、
前記係止爪部は、前記本体部の径方向外方側に向かうにつれて、前記挿入体の基端部側に向かうように傾斜されている、
ことを特徴とするコネクタ装置。
In any one of Claims 1 thru | or 4,
The locking member has a ring-shaped main body portion and a number of locking claw portions formed at intervals in the circumferential direction of the main body portion,
The locking claw portion is inclined so as to go to the proximal end side of the insert as it goes to the radially outer side of the main body portion.
A connector device.
請求項1ないし請求項5のいずれか1項において、
前記受け部材が合成樹脂によって形成されている、ことを特徴とするコネクタ装置。
In any one of Claims 1 thru | or 5,
The connector device, wherein the receiving member is made of a synthetic resin.
請求項1ないし請求項6のいずれか1項において、
前記接続状態において、前記シール部材が、前記係止部材よりも前記挿入体の先端側に位置されている、ことを特徴とするコネクタ装置。
In any one of Claims 1 thru | or 6,
In the connected state, the seal member is positioned closer to the distal end side of the insert than the locking member.
請求項1ないし請求項7のいずれか1項において、
流体がエンジンのブローバイガスとされて、前記受け部材と前記挿入体とがブローバイガス通路の一部を構成しており、
前記受け部材が、エンジンの吸気系に連なっている、
ことを特徴とするコネクタ装置。
In any one of Claims 1 thru | or 7,
The fluid is engine blow-by gas, and the receiving member and the insert constitute a part of the blow-by gas passage,
The receiving member is connected to the intake system of the engine;
A connector device.
JP2012018363A 2012-01-31 2012-01-31 Connector apparatus Pending JP2013155831A (en)

Priority Applications (1)

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021004622A (en) * 2019-06-25 2021-01-14 株式会社ノーリツ Joint for synthetic resin pipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63201289U (en) * 1987-06-18 1988-12-26
JP2002042969A (en) * 2000-07-26 2002-02-08 Sumitomo Wiring Syst Ltd Connector
JP2002106766A (en) * 2000-09-28 2002-04-10 Nippon Pisuko:Kk Pipe joint
JP2004125035A (en) * 2002-10-01 2004-04-22 Piolax Inc Connector for pipe
JP2010236567A (en) * 2009-03-30 2010-10-21 Togawa Rubber Co Ltd Hose joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63201289U (en) * 1987-06-18 1988-12-26
JP2002042969A (en) * 2000-07-26 2002-02-08 Sumitomo Wiring Syst Ltd Connector
JP2002106766A (en) * 2000-09-28 2002-04-10 Nippon Pisuko:Kk Pipe joint
JP2004125035A (en) * 2002-10-01 2004-04-22 Piolax Inc Connector for pipe
JP2010236567A (en) * 2009-03-30 2010-10-21 Togawa Rubber Co Ltd Hose joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021004622A (en) * 2019-06-25 2021-01-14 株式会社ノーリツ Joint for synthetic resin pipe
JP7277741B2 (en) 2019-06-25 2023-05-19 株式会社ノーリツ Fittings for synthetic resin pipes

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