JP2015081715A - Bath remote-controller - Google Patents

Bath remote-controller Download PDF

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Publication number
JP2015081715A
JP2015081715A JP2013219453A JP2013219453A JP2015081715A JP 2015081715 A JP2015081715 A JP 2015081715A JP 2013219453 A JP2013219453 A JP 2013219453A JP 2013219453 A JP2013219453 A JP 2013219453A JP 2015081715 A JP2015081715 A JP 2015081715A
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Japan
Prior art keywords
grommet
casing
lead wire
lead lines
wiring hole
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JP2013219453A
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JP6249397B2 (en
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智広 辻
Tomohiro Tsuji
智広 辻
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RB Controls Co Ltd
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RB Controls Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To prevent the following problems: in a case where locking parts are intensively formed on one side, all lead lines introduced into a casing via a grommet extend in the same direction; and when the lead lines are pulled to the direction where the locking part intensively formed on the out side of the casing, the grommet having elasticity is subjected to compression deformation in the direction to which the lead lines are drawn, resulting in that a gap is formed between the grommet and the wiring hole formed on the casing or the grommet is released from the wiring hole.SOLUTION: There are a plurality of lead lines. The same number of small holes with the lead lines are formed on the grommet. Into each of the small holes, a lead line is inserted. A locking part is formed so as to tightly hold the inserted lead lines at inner section of the casing under the stated where the lead lines extend in a radial manner.

Description

本発明は、浴室の壁面に取り付けられる風呂リモコンに関する。   The present invention relates to a bath remote controller attached to a wall surface of a bathroom.

上記従来の風呂リモコンは、水密なケーシングを有している。そして、そのケーシング内には回路基板やその他の電子部品が収納されており、浴室外に設置した給湯装置から延びるケーブルが接続されている。このケーブルは複数本のリード線が束ねられたもので、風呂リモコンに接続する直前で各リード線にばらされ、後ケースのほぼ中央に形成された配線穴を通してケーシング内に導かれる。なお、貫通穴にはゴム製のグロメットがはめこまれている。グロメットにはリード線の本数と同じ数の小孔が形成されており、各リード線はこの小孔を通してケーシング内部に導入される。ケーシング内部に導入されたリード線の先端を回路基板に半田付けしただけでは、リード線が外方向に引っ張られた場合、その張力が半田付け部に直接作用して断線するおそれがあるので、リード線を引っかけることによりリード線が抜け方向に移動しない抜け止め部をケーシング内部に形成し、その抜け止め部にリード線を絡げている(例えば、特許文献1参照)。   The conventional bath remote controller has a watertight casing. And the circuit board and other electronic components are accommodated in the casing, and the cable extended from the hot-water supply apparatus installed outside the bathroom is connected. This cable is a bundle of a plurality of lead wires, and is connected to each lead wire immediately before being connected to the bath remote controller, and is led into the casing through a wiring hole formed in the approximate center of the rear case. A rubber grommet is fitted in the through hole. Grommets are formed with the same number of small holes as the number of lead wires, and each lead wire is introduced into the casing through the small holes. If the tip of the lead wire introduced into the casing is simply soldered to the circuit board, if the lead wire is pulled outward, the tension may act directly on the soldered part, causing disconnection. A retaining portion where the lead wire does not move in the withdrawal direction by hooking the wire is formed inside the casing, and the lead wire is entangled with the retaining portion (see, for example, Patent Document 1).

特開2000−310448号公報(図1、図5)JP 2000-310448 A (FIGS. 1 and 5)

上記従来の構成では、リード線が2本の場合について図示されており、上記特許文献1の図5には、抜け止め部を図において向かって左側に集約して形成している。このように抜け止め部を片側に集約して形成すると、グロメットを通過してケーシング内に導入されたリード線が全て同一の方向に延在することになる。リード線をケーシングの外側において、抜け止め部が集約されている方向に引っ張ると、弾性体であるグロメットはリード線が引かれた方向に圧縮変形して、ケーシングに形成した配線穴との間に隙間が生じ、あるいは配線穴からグロメットが外れてしまうという不具合が生じるおそれがある。   In the above-described conventional configuration, the case where there are two lead wires is illustrated, and in FIG. 5 of the above-mentioned Patent Document 1, the retaining portions are formed collectively on the left side in the drawing. When the retaining portions are formed in one side in this way, all the lead wires that pass through the grommet and are introduced into the casing extend in the same direction. When the lead wire is pulled outside the casing in the direction in which the retaining portions are gathered, the elastic grommet is compressed and deformed in the direction in which the lead wire is drawn, and between the wiring holes formed in the casing. There is a risk that a gap may be generated or a grommet may be detached from the wiring hole.

そこで本発明は、上記の問題点に鑑み、リード線をケーシングの外側でどの方向に引っ張ってもグロメットと配線穴との間に隙間が生じたり、グロメットが配線穴から脱落しない風呂リモコンを提供することを課題とする。   Accordingly, in view of the above problems, the present invention provides a bath remote controller in which a gap is not formed between a grommet and a wiring hole or the grommet is not dropped from the wiring hole, regardless of the direction in which the lead wire is pulled outside the casing. This is the issue.

上記課題を解決するために本発明による風呂リモコンは、水密なケーシングを備え、このケーシングの後面を浴室の壁面に取り付ける浴室リモコンであって、壁面から延びるリード線をケーシング内部に導入する配線穴をケーシングの後面に設け、この配線穴を閉塞するゴム製のグロメットを配線穴に嵌入し、グロメットに形成された小孔を通してリード線をケーシング内部に導入するものにおいて、上記リード線は複数本であって、リード線の本数と同数の小孔を上記グロメットに形成し、各小孔に1本ずつリード線を挿通し、挿通後のリード線をケーシング内部で放射状に拡がった状態で弛みなく保持する抜け止め部を形成したことを特徴とする。   In order to solve the above problems, a bath remote controller according to the present invention is a bathroom remote controller that includes a watertight casing and attaches the rear surface of the casing to the wall surface of the bathroom, and has a wiring hole for introducing a lead wire extending from the wall surface into the casing. A rubber grommet that is provided on the rear surface of the casing and that closes the wiring hole is inserted into the wiring hole, and a lead wire is introduced into the casing through a small hole formed in the grommet. Then, the same number of small holes as the number of lead wires are formed in the grommet, one lead wire is inserted into each small hole, and the lead wires after insertion are held without slack in a radially expanded state inside the casing. A retaining part is formed.

複数本のリード線を放射状に保持することにより、ケーシングの外側でいずれの方向にリード線が引っ張られても、グロメットを変形させない方向に支えるリード線が生じ、その結果グロメットが変形しない。   By holding a plurality of lead wires radially, a lead wire that supports the grommet in a direction that does not deform the grommet is generated even if the lead wire is pulled in any direction outside the casing. As a result, the grommet is not deformed.

以上の説明から明らかなように、本発明は、複数本のリード線を放射状の保持することによってグロメットの変形を防止するので、ケーシングの外側でリード線がいずれの方向に引っ張られても、グロメットが変形して配線穴との間に隙間が生じたり、配線穴からグロメットが脱落するなどの不具合が生じない。   As is clear from the above description, the present invention prevents the grommet from being deformed by holding a plurality of lead wires in a radial manner, so that the grommet can be used regardless of the direction in which the lead wire is pulled outside the casing. Will not cause a problem such as a gap between the wiring hole and the grommet dropping off from the wiring hole.

前ケースと後ケースとを接合する前に半田付けを完了した状態を示す図The figure which shows the state which completed soldering before joining a front case and a back case リード線の保持状態を示す図Diagram showing lead wire holding state

図1を参照して、1は浴室リモコンの前ケースで有り、この前ケース1に後方から後ケース2が水密に連結することにより内部が防水された浴室リモコンとなる。この前ケース1には電子部品が実装された回路基板3が固定されている。一方、後ケース2には中央に配線穴21が形成されており、その配線穴21にはゴム製のグロメット22が嵌合されている。4は複数本のリード線41が束ねられたハーネスで有り、リード線41にばらした状態で各リード線41をグロメット22に形成した小孔22aを通して浴室リモコンの内部へ導入させている。   Referring to FIG. 1, reference numeral 1 denotes a front case of a bathroom remote control, and the rear case 2 is watertightly connected to the front case 1 from the rear so that the bathroom remote control has a waterproof interior. A circuit board 3 on which electronic components are mounted is fixed to the front case 1. On the other hand, a wiring hole 21 is formed in the center of the rear case 2, and a rubber grommet 22 is fitted in the wiring hole 21. Reference numeral 4 denotes a harness in which a plurality of lead wires 41 are bundled, and each lead wire 41 is introduced into the bathroom remote controller through a small hole 22a formed in the grommet 22 in a state of being separated from the lead wire 41.

各リード線41の先端は回路基板3の後面に形成した複数の半田付け部31のうちの対応するものに半田付けされる。なお、この半田付け作業は手作業によって行われる。   The leading end of each lead wire 41 is soldered to a corresponding one of the plurality of soldering portions 31 formed on the rear surface of the circuit board 3. This soldering operation is performed manually.

図2を参照して、グロメット22の小孔22aを各々通過した各リード線41は後ケース2の前面、すなわち内側面に形成された抜け止め部23に絡げられて固定される。このように各リード線41を抜け止め部23に絡げることにより、ハーネス4が後方に引かれても各リード線41に対する引っ張り力は抜け止め部23で受けられ、リード線41が後方に抜けてしまうことが防止できる。そして、各抜け止め部23は各リード線41が配線穴21を中心にして放射状に拡がるように形成した。   Referring to FIG. 2, each lead wire 41 that has passed through each of the small holes 22 a of the grommet 22 is entangled and fixed to a retaining portion 23 formed on the front surface, that is, the inner surface of the rear case 2. In this way, by tying each lead wire 41 to the retaining portion 23, even if the harness 4 is pulled backward, the pulling force against each lead wire 41 is received by the retaining portion 23, and the lead wire 41 is moved rearward. It can be prevented from coming off. Each retaining portion 23 is formed so that each lead wire 41 expands radially around the wiring hole 21.

このように各リード線41を放射状になるように保持し、かつ、小孔22aから抜け止め部23までの部分のリード線41を弛みなく張ることにより、ハーネス4を後ケース2の裏面に対して平行ないずれの方向に引っ張っても、各リード線41のうちのいずれかのリード線41に張力が生じ、その張力を抜け止め部23が受けるので、ゴム製のグロメット22はハーネス4が引っ張られた方向に圧縮変形せず、その結果、グロメット22が配線穴21から脱落することが防止される。   In this way, the lead wires 41 are held radially, and the lead wires 41 from the small holes 22a to the retaining portions 23 are stretched without loosening, so that the harness 4 is attached to the back surface of the rear case 2. Even if it is pulled in any parallel direction, tension is generated in any one of the lead wires 41 and the retaining portion 23 receives the tension, so that the harness 4 is pulled by the rubber grommet 22. As a result, the grommet 22 is prevented from dropping from the wiring hole 21.

なお、本発明は上記した形態に限定されるものではなく、本発明の要旨を逸脱しない範囲内において種々の変更を加えてもかまわない。   In addition, this invention is not limited to an above-described form, You may add a various change in the range which does not deviate from the summary of this invention.

1 前ケース
2 後ケース
21 配線穴
22 グロメット
22a 小孔
23 抜け止め部
3 回路基板
31 半田付け部
4 ハーネス
41 リード線
1 front case 2 rear case 21 wiring hole 22 grommet 22a small hole 23 retaining portion 3 circuit board 31 soldering portion 4 harness 41 lead wire

Claims (1)

水密なケーシングを備え、このケーシングの後面を浴室の壁面に取り付ける浴室リモコンであって、壁面から延びるリード線をケーシング内部に導入する配線穴をケーシングの後面に設け、この配線穴を閉塞するゴム製のグロメットを配線穴に嵌入し、グロメットに形成された小孔を通してリード線をケーシング内部に導入するものにおいて、上記リード線は複数本であって、リード線の本数と同数の小孔を上記グロメットに形成し、各小孔に1本ずつリード線を挿通し、挿通後のリード線をケーシング内部で放射状に拡がった状態で弛みなく保持する抜け止め部を形成したことを特徴とする風呂リモコン。   This is a bathroom remote controller equipped with a watertight casing and the rear surface of this casing is attached to the wall surface of the bathroom, and a wiring hole for introducing a lead wire extending from the wall surface into the casing is provided on the rear surface of the casing, and the rubber made to close the wiring hole. The grommet is inserted into the wiring hole, and the lead wire is introduced into the casing through the small hole formed in the grommet. There are a plurality of the lead wires, and the same number of small holes as the number of the lead wires are formed in the grommet. The bath remote control is characterized in that a lead wire is inserted into each small hole, and a retaining portion is formed to hold the lead wire after insertion through the casing in a radially expanded state without looseness.
JP2013219453A 2013-10-22 2013-10-22 Bath remote control Active JP6249397B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017118202A (en) * 2015-12-21 2017-06-29 パナソニック デバイスSunx竜野株式会社 Remote controller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000310448A (en) * 1999-02-22 2000-11-07 Rinnai Corp Remote controller for bath
JP2010129931A (en) * 2008-11-28 2010-06-10 Noritz Corp Electric apparatus, and method of manufacturing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000310448A (en) * 1999-02-22 2000-11-07 Rinnai Corp Remote controller for bath
JP2010129931A (en) * 2008-11-28 2010-06-10 Noritz Corp Electric apparatus, and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017118202A (en) * 2015-12-21 2017-06-29 パナソニック デバイスSunx竜野株式会社 Remote controller

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