JP2008082994A - Panel measuring instrument - Google Patents

Panel measuring instrument Download PDF

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JP2008082994A
JP2008082994A JP2006266267A JP2006266267A JP2008082994A JP 2008082994 A JP2008082994 A JP 2008082994A JP 2006266267 A JP2006266267 A JP 2006266267A JP 2006266267 A JP2006266267 A JP 2006266267A JP 2008082994 A JP2008082994 A JP 2008082994A
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Prior art keywords
panel
flange
instrument
packing
measuring instrument
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JP2006266267A
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Japanese (ja)
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Mitsunobu Sato
光伸 佐藤
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Chino Corp
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Chino Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an panel measuring instrument having dust-proof and drip-proof structure capable of restraining a manufacturing cost by simple constitution. <P>SOLUTION: This panel measuring instrument 1 attached to a measuring instrument attaching panel, by insertion from a backface side into an attaching hole provided in the measuring instrument attaching panel, has an measuring instrument casing 2 having a flange 3 formed along an outer direction in an opening of a front face, and a front face unit 5 attached to a front face side of the flange 3, a packing 4 is pressed between the panel and the flange 3, and between the flange 3 and the front face unit 5, when the front face unit 5 is attached, to attain sealing therebetween. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、パネルに取付けられるパネル計器に関するものである。特に防塵・防滴構造が要求される前面ユニットが脱着可能なパネル計器に関するものである。 The present invention relates to a panel instrument attached to a panel. In particular, the present invention relates to a panel instrument in which a front unit requiring a dustproof / dripproof structure can be attached and detached.

パネル計器は、前面が開口し、内部に多数の電子部品を搭載する計器筐体と、表示部や操作部を有する前面ユニット部からなり、背面側には外部との接続部が設けられる。このようなパネル計器は制御パネルなどの計器取付パネルに設けられた取付穴に背面側から挿入して取付けられる。また、前面ユニットは前方から脱着可能である。このようなパネル計器には設置環境によっては、制御パネルに水が飛散することもあり、前面ユニット、計器筐体およびパネル間にパッキンなどを設けて防塵・防滴構造を成している。 The panel instrument has an opening on the front surface, an instrument housing in which a large number of electronic components are mounted, and a front unit unit having a display unit and an operation unit, and a connection part to the outside is provided on the back side. Such a panel instrument is inserted and attached from the back side to a mounting hole provided in an instrument mounting panel such as a control panel. Further, the front unit can be detached from the front. In such a panel instrument, depending on the installation environment, water may be scattered on the control panel, and a dust-proof / drip-proof structure is formed by providing a packing between the front unit, the instrument housing and the panel.

このような従来のパネル計器の構成を図４に示す。図4（ａ）は断面構成を示しており、図４（ｂ）はフランジ周辺の拡大図である。１０はパネル計器、２０は計器筐体、３０は計器筐体2０の開口部外周に設けたフランジ、４１と４２はパッキンである。５０は不図示の表示部や操作部を有する前面ユニットである。 The structure of such a conventional panel instrument is shown in FIG. 4A shows a cross-sectional configuration, and FIG. 4B is an enlarged view around the flange. 10 is a panel instrument, 20 is an instrument housing, 30 is a flange provided on the outer periphery of the opening of the instrument housing 20, and 41 and 42 are packings. Reference numeral 50 denotes a front unit having a display unit and an operation unit (not shown).

図４のパネル計器において、計器取付パネル６０とフランジ３０間のシールは、パッキン４１で行われ、パッキン４１は計器筐体の背面側から挿入されて取付けられる。フランジ３０と前面ユニット５０間のシールはパッキン４２で行われ、パッキン４２はフランジ３０の前面側の４辺に貼り付けられる構造である。フランジ３０の断面は防塵・防滴構造を達成するため、図４に示すように２ヶ所の曲げ加工が施されている。   In the panel instrument of FIG. 4, the seal between the instrument mounting panel 60 and the flange 30 is performed by the packing 41, and the packing 41 is inserted and attached from the back side of the instrument housing. Sealing between the flange 30 and the front unit 50 is performed by a packing 42, and the packing 42 is structured to be attached to four sides on the front side of the flange 30. The cross section of the flange 30 is bent at two locations as shown in FIG. 4 in order to achieve a dustproof / dripproof structure.

一方で、パネル計器が使用される環境の場合にのみ、前面カバーでパネル計器の前面を覆う防塵・防滴構造も提案されている。特許文献１に記載されている計器ケースの防水構造は、防水効果が不十分となる環境で使用される場合は、制御パネルと前面カバー間をシールする第１のパッキンと、前面カバーと前面蓋部間をシールする第２のパッキンを用いる構造である。
特許第３２７５９３７号公報 On the other hand, a dust-proof / drip-proof structure is also proposed in which the front cover covers the front of the panel instrument only in an environment where the panel instrument is used. When the waterproof structure of the instrument case described in Patent Document 1 is used in an environment where the waterproof effect is insufficient, the first packing that seals between the control panel and the front cover, the front cover, and the front cover It is a structure using the 2nd packing which seals between parts.
Japanese Patent No. 3275937

しかしながら、上述した防塵・防滴構造のパネル計器においては、制御パネル、フランジ、前面ユニット間のシールに２つのパッキンを用いており、部品数の増加とともに取付、組立工数がかかるという問題点があった。また、フランジも２ヶ所の曲げ加工が施されており、工数と時間がかかり、製造コストの低減を妨げているという問題点があった。 However, in the above-mentioned dust / splash-proof panel instrument, two packings are used for the seal between the control panel, flange and front unit, which increases the number of parts and increases the number of installation and assembly processes. It was. Further, the flange is also bent at two locations, which requires man-hours and time, and hinders the reduction of manufacturing costs.

この発明の目的は、以上の点に鑑み、簡易な構成で、製造コストを抑制でき、防塵・防滴構造を有するパネル計器を提供することである。 In view of the above points, an object of the present invention is to provide a panel instrument having a dustproof / drip-proof structure that can suppress the manufacturing cost with a simple configuration.

上記の課題を達成するため、本発明の請求項１記載の発明は、計器取付パネルに設けられた取付穴に背面側から挿入して前記パネルに取付けられるパネル計器において、前記パネル計器は前面の開口に外側方向に形成されたフランジを有する計器筐体と、前記フランジの前面側に取付けられる前面ユニットとを有し、前記前面ユニットが取付けられると、前記パッキンが前記パネルと前記フランジ間、前記フランジと前記前面ユニット間で押圧されてシールするパネル計器であることを特徴とする。 In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is a panel instrument that is inserted into a mounting hole provided in an instrument mounting panel from the back side and is attached to the panel. An instrument housing having a flange formed in an outward direction in the opening; and a front unit attached to the front side of the flange; when the front unit is attached, the packing is between the panel and the flange; It is a panel instrument which is pressed and sealed between a flange and the said front unit.

請求項２記載の発明は、前記パッキンが前記パネルと前記前面ユニット間で押圧され、シールすることを特徴とすることを特徴とする請求項１記載のパネル計器である。 The invention according to claim 2 is the panel instrument according to claim 1, characterized in that the packing is pressed between the panel and the front unit and sealed.

この発明は、計器取付パネルに設けられた取付穴に背面側から挿入して前記パネルに取付けられるパネル計器において、前記パネル計器は前面の開口に外側方向に形成された部にフランジを有する計器筐体と、前記フランジの前面側に取付けられる前面ユニットと、前記フランジの外周を被覆し、前記フランジが嵌合する溝部を有するパッキンとを有し、前記前面ユニットが取付けられると、前記パッキンが前記パネルと前記フランジ間、前記フランジと前記前面ユニット間で押圧されてシールするパネル計器であることを特徴とする。このことにより、一つのパッキンで、パネルとフランジ間、フランジと前面ユニット間で押圧されてシールすることが可能となり、簡易な装置構成となる。 The present invention relates to a panel instrument which is inserted into a mounting hole provided in an instrument mounting panel from the back side and is attached to the panel, wherein the panel instrument has a flange in a portion formed in an outward direction at the front opening. A body, a front unit attached to the front side of the flange, and a packing that covers an outer periphery of the flange and has a groove portion into which the flange is fitted, and when the front unit is attached, A panel instrument that is pressed and sealed between a panel and the flange and between the flange and the front unit. This makes it possible to seal by pressing between the panel and the flange and between the flange and the front unit with a single packing, resulting in a simple device configuration.

また、フランジは計器筐体の前面で、外周方向に向かって１ヶ所の曲げ加工で形成され、曲げ加工が少なくなって工数が減り、時間ロスを低減でき、製造コストを抑制できる。 In addition, the flange is formed by bending at one position toward the outer periphery on the front surface of the instrument housing, and bending can be reduced, man-hours can be reduced, time loss can be reduced, and manufacturing costs can be suppressed.

さらに前記パッキンが前記パネルと前記前面ユニット間で押圧され、シールすることで、材質や製造技術に起因する部品のバラツキや反り等の発生により、さらに高いシール効果を求められる場合にも対応可能となる。 Further, the packing is pressed between the panel and the front unit and sealed, so that it is possible to cope with a case where a higher sealing effect is required due to the occurrence of part variation or warpage due to the material or manufacturing technology. Become.

図１は、この発明の一実施形態を示す構成説明図である。図１において、１はパネル計器、２は計器筐体、３は計器筐体２の前面の開口に外側方向に形成されたフランジ３、４はフランジの外周を被覆し、フランジが嵌合する溝部を有するパッキン、５は表示部５１や操作部５２等を有する前面ユニット５である。なお、計器筐体２内部の電子部品や基板などは不図示である。 FIG. 1 is an explanatory diagram showing the configuration of an embodiment of the present invention. In FIG. 1, 1 is a panel instrument, 2 is an instrument housing, 3 is a flange 3 formed outwardly in an opening on the front surface of the instrument housing 2, and 4 is a groove portion that covers the outer periphery of the flange and that the flange fits into Packing 5 having a front surface 5 has a display unit 51, an operation unit 52, and the like. Note that electronic components, substrates, and the like inside the instrument housing 2 are not shown.

パネル計器を計器取付パネル６に取付ける手順を説明する。計器筐体２の前面のフランジ３にパッキン４に設けられた溝部４０に嵌め込む。次に、計器筐体２を背面側から計器取付パネル６に設けられた取付穴６１挿入する。そして、前面ユニット５をフランジ４に押しあて、係止する。 A procedure for attaching the panel instrument to the instrument mounting panel 6 will be described. The instrument housing 2 is fitted into the groove 3 provided in the packing 4 on the flange 3 on the front surface. Next, the mounting hole 61 provided in the instrument mounting panel 6 is inserted into the instrument housing 2 from the back side. Then, the front unit 5 is pressed against the flange 4 and locked.

前面ユニット５の係止は、例えば図５に示すような、従来から用いられている、凸状係止片９１と凹状係止片９２を嵌合させる係止部９を用いても良いし、ネジ止めを利用しても良い。係止片は９１、９２は前面ユニット５あるいは計器筐体２に対で設けられる。 For locking the front unit 5, for example, as shown in FIG. 5, a conventionally used locking portion 9 for fitting the convex locking piece 91 and the concave locking piece 92 may be used. Screwing may be used. The locking pieces 91 and 92 are provided in pairs on the front unit 5 or the instrument housing 2.

図２は図１に示した実施形態の、フランジ３周辺の拡大図である。パッキン４はコの字状の断面で、フランジ３が嵌め込まれる溝部４００を有している。
前面ユニット５が計器筐体２に係止されると、パッキン４は押圧されて、フランジ３に嵌め込まれたパッキン４のＡ片は計器取付パネル６とフランジ３間のシールを行い、パッキン４のＢ片とＣ片はフランジ４と前面ユニット５間のシールを行う FIG. 2 is an enlarged view around the flange 3 in the embodiment shown in FIG. The packing 4 has a U-shaped cross section and has a groove 400 into which the flange 3 is fitted.
When the front unit 5 is locked to the instrument housing 2, the packing 4 is pressed, and the A piece of the packing 4 fitted into the flange 3 seals between the instrument mounting panel 6 and the flange 3. B piece and C piece seal between flange 4 and front unit 5

図３はこの発明の他の実施形態を示すフランジ３周辺の拡大図である。この実施形態において、パッキン４０は前面ユニット５と計器取付パネル６間をシールするＤ片を有している。 FIG. 3 is an enlarged view around the flange 3 showing another embodiment of the present invention. In this embodiment, the packing 40 has a D piece that seals between the front unit 5 and the instrument mounting panel 6.

前面ユニットの材質や製造品質差などによって部品のバラツキや反りなどが発生すると、Ｂ片とＣ片の２片ではシールが十分でない可能性もある。図３の形状のパッキン４０によれば、Ｄ片を加えたシールが為され、より高いシール効果が得られる。 If variations or warping of parts occurs due to the difference in the material or manufacturing quality of the front unit, the B piece and the C piece may not be sufficiently sealed. According to the packing 40 having the shape shown in FIG. 3, sealing with D pieces added is performed, and a higher sealing effect can be obtained.

なお、パッキン４、４０の材質はシリコンゴムなど柔軟性、弾性を有する最適なものとすればよい。 The material of the packings 4 and 40 may be an optimum material having flexibility and elasticity such as silicon rubber.

すなわち、本発明のパネル計器によれば、一つのパッキンで、パネルとフランジ間、フランジと前面ユニット間で高いシール効果を得ることが可能となり、簡易な装置構成で、安価でメンテナンスの容易なパネル計器を提供することができる That is, according to the panel instrument of the present invention, it is possible to obtain a high sealing effect between the panel and the flange, and between the flange and the front unit with a single packing, and the panel is simple and inexpensive and easy to maintain. Can provide the instrument

以上、本発明における最良に形態について説明したが、この形態による記述及び図面により本発明が限定されることはない。すなわち、この形態に基づいて当業者等によりなされる他の形態、実施例および運用技術等は全て本発明の範疇に含まれることは勿論である。 Although the best mode of the present invention has been described above, the present invention is not limited to the description and drawings according to this mode. That is, it is needless to say that other forms, examples, operation techniques, and the like made by those skilled in the art based on this form are all included in the scope of the present invention.

この発明の一実施形態を示す構成説明図である。1 is a configuration explanatory view showing an embodiment of the present invention. この発明の一実施形態を示す断面図である。It is sectional drawing which shows one Embodiment of this invention. この発明の他の実施形態を示す断面図である。It is sectional drawing which shows other embodiment of this invention. 従来のパネル計器に断面図である。It is sectional drawing to the conventional panel instrument. 係止部の一例を示す断面図である。It is sectional drawing which shows an example of a latching | locking part.

符号の説明Explanation of symbols

１、１０ パネル計器
２ 、２０ 計器筐体
３ 、３０ フランジ
４ 、４０、４１，４２ パッキン
４００ 溝部
５、５０ 前面ユニット
６、６０ 計器取付パネル
６１、６１０ 取付穴
９ 係止部 1, 10 Panel instrument 2, 20 Instrument housing 3, 30 Flange 4, 40, 41, 42 Packing 400 Groove 5, 50 Front unit 6, 60 Instrument mounting panel 61, 610 Mounting hole 9 Locking part

Claims (2)

計器取付パネルに設けられた取付穴に背面側から挿入して前記計器取付パネルに取付けられるパネル計器において、
前記パネル計器は前面の開口に外側方向に形成されたフランジを有する計器筐体と、前記フランジの前面側に取付けられる前面ユニットと、前記フランジの外周を被覆し、前記フランジが嵌合する溝部を有するパッキンとを有し、
前記前面ユニットが取付けられると、前記パッキンが前記パネルと前記フランジ間、前記フランジと前記前面ユニット間で押圧されてシールすることを特徴とするパネル計器。 In the panel instrument that is inserted into the mounting hole provided in the instrument mounting panel from the back side and is attached to the instrument mounting panel,
The panel instrument has an instrument housing having a flange formed outwardly in the opening on the front surface, a front unit attached to the front side of the flange, and a groove that covers the outer periphery of the flange and fits the flange. And having packing,
When the front unit is attached, the packing is pressed and sealed between the panel and the flange and between the flange and the front unit. 前記パッキンが前記パネルと前記前面ユニット間で押圧され、シールすることを特徴とする請求項1記載のパネル計器。 2. The panel instrument according to claim 1, wherein the packing is pressed and sealed between the panel and the front unit.
JP2006266267A 2006-09-29 2006-09-29 Panel measuring instrument Pending JP2008082994A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015176918A (en) * 2014-03-13 2015-10-05 双葉電子工業株式会社 Waterproof structure of housing and electronic apparatus equipped with the same
US10412847B2 (en) 2017-08-10 2019-09-10 Fanuc Corporation Electronic device mounted to an industrial machine
JP2021517626A (en) * 2019-03-03 2021-07-26 広東美的制冷設備有限公司Ｇｄ Ｍｉｄｅａ Ａｉｒ−Ｃｏｎｄｉｔｉｏｎｉｎｇ Ｅｑｕｉｐｍｅｎｔ Ｃｏ．，Ｌｔｄ． Air conditioning indoor unit and air conditioner

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Publication number Priority date Publication date Assignee Title
JPH1032390A (en) * 1996-07-16 1998-02-03 Rika Kogyo Kk Waterproof structure for instrument housing
JPH11160115A (en) * 1997-12-02 1999-06-18 Rkc Instr Inc Water-proof structure of instrument case
JP2001033282A (en) * 1999-07-23 2001-02-09 Yokogawa Electric Corp Recorder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1032390A (en) * 1996-07-16 1998-02-03 Rika Kogyo Kk Waterproof structure for instrument housing
JPH11160115A (en) * 1997-12-02 1999-06-18 Rkc Instr Inc Water-proof structure of instrument case
JP2001033282A (en) * 1999-07-23 2001-02-09 Yokogawa Electric Corp Recorder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015176918A (en) * 2014-03-13 2015-10-05 双葉電子工業株式会社 Waterproof structure of housing and electronic apparatus equipped with the same
US10412847B2 (en) 2017-08-10 2019-09-10 Fanuc Corporation Electronic device mounted to an industrial machine
DE102018118660B4 (en) * 2017-08-10 2021-01-28 Fanuc Corporation Electronic device attached to an industrial machine
JP2021517626A (en) * 2019-03-03 2021-07-26 広東美的制冷設備有限公司Ｇｄ Ｍｉｄｅａ Ａｉｒ−Ｃｏｎｄｉｔｉｏｎｉｎｇ Ｅｑｕｉｐｍｅｎｔ Ｃｏ．，Ｌｔｄ． Air conditioning indoor unit and air conditioner
JP7097912B2 (en) 2019-03-03 2022-07-08 広東美的制冷設備有限公司 Air conditioning indoor unit and air conditioner
US11913669B2 (en) 2019-03-03 2024-02-27 Gd Midea Air-Conditioning Equipment Co., Ltd. Air conditioning indoor unit, and air conditioner

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