JPH0712300Y2 - Box waterproof structure - Google Patents
Box waterproof structureInfo
- Publication number
- JPH0712300Y2 JPH0712300Y2 JP1986017385U JP1738586U JPH0712300Y2 JP H0712300 Y2 JPH0712300 Y2 JP H0712300Y2 JP 1986017385 U JP1986017385 U JP 1986017385U JP 1738586 U JP1738586 U JP 1738586U JP H0712300 Y2 JPH0712300 Y2 JP H0712300Y2
- Authority
- JP
- Japan
- Prior art keywords
- box body
- lid
- bolt
- nut member
- seal member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Closures For Containers (AREA)
Description
【考案の詳細な説明】 「産業上の利用分野」 本考案は例えば電力用開閉器の屋外に使用される操作機
構や制御装置を収納する金属製箱体の防水構造に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial application field" The present invention relates to a waterproof structure of a metal box for housing an operating mechanism and a control device used outdoors of a power switch, for example.
「従来の技術」 第4図は箱体1と蓋2をボルト3で固定した状態を示す
外観図である。この様な組合せの箱体1に防水性能を持
たせる場合の従来構造例を第8図及び第9図について説
明する。“Prior Art” FIG. 4 is an external view showing a state where the box body 1 and the lid 2 are fixed with bolts 3. An example of a conventional structure for waterproofing the box body 1 having such a combination will be described with reference to FIGS. 8 and 9.
第8図はボルト3が箱体1内部に貫通しており、箱体1
の内部にナット部材4が溶接により固定されている。箱
体1と蓋2の間にはシール部材5を介在せしめるととも
に、ボルト3は蓋2の外側からシール部材6を介して締
め付けることにより箱体1と蓋2の合わせ面(イ)、蓋
2上面のボルト3穴部(ロ)及びボルト3の首部(ハ)
の経路からの浸水を妨げる様構成されている。In FIG. 8, the bolt 3 penetrates the inside of the box body 1 and
The nut member 4 is fixed to the inside by welding. A seal member 5 is interposed between the box body 1 and the lid 2, and the bolt 3 is tightened from the outside of the lid 2 via the seal member 6 so that the mating surface (a) of the box body 1 and the lid 2, the lid 2 Bolt 3 hole (b) on the top surface and bolt 3 neck (c)
It is configured to prevent inundation from the route of.
第9図は第8図に比べさらに防水性を向上させる目的で
用いられている構造例で、ナット部材14を箱体11の外周
に溶接し、ボルト3を箱体11の内部に貫通することな
く、箱体1の外周に位置せしめ、第8図に示す(ロ)及
び(ハ)の浸水経路を廃除しかつ、ナット部材14と箱体
11がコ字状の溝7を形成するよう箱体11を溶接により構
成し、雨水等が蓋12接合のシール部材5に直接触れない
よう意図したものである。FIG. 9 is a structural example used for the purpose of further improving waterproofness as compared with FIG. 8, in which the nut member 14 is welded to the outer periphery of the box body 11 and the bolt 3 is penetrated into the box body 11. Instead, it is located on the outer periphery of the box body 1 to eliminate the inundation paths (b) and (c) shown in FIG.
The box 11 is constructed by welding so that 11 forms the U-shaped groove 7, and it is intended that rainwater or the like does not directly contact the sealing member 5 of the lid 12 joint.
「考案が解決しようとする問題点」 第8図に示す構造の場合は浸水経路が多くかつ、蓋2を
取り外したり、締め付けたりする際、ボルト3首部のシ
ール部材6をねじり、摩耗などの作用で傷付け、防水性
を損なうことがあるばかりでなく、(イ)の経路から雨
水などが直接蓋2接合部のシール部材5に触れ、箱体1
内部圧力の低下に伴なう吸込み作用により、箱体1内に
浸水する場合があった。"Problems to be solved by the invention" In the case of the structure shown in FIG. 8, there are many water infiltration paths, and when the lid 2 is removed or tightened, the seal member 6 at the neck portion of the bolt 3 is twisted and worn. Not only may it be damaged by scratches and impair the waterproofness, but rainwater or the like may directly touch the seal member 5 at the joint portion of the lid 2 from the path of (a), and
There was a case where the box body 1 was flooded due to the suction action accompanying the decrease in the internal pressure.
第9図に示す構造のものは、この欠点を大巾に改善して
はいるが、製法上、溶接を多用するため寸法精度が出し
にくく、コストも高いという欠点があった。The structure shown in FIG. 9 has greatly improved this drawback, but it has drawbacks that it is difficult to obtain dimensional accuracy and the cost is high due to the large amount of welding used in the manufacturing method.
また第8図及び第9図の構造ではシール部材5の圧縮代
を規制する手段がなく、シール性能に不安定があるばか
りでなく、ボルト3を締付け過ぎることによりシール部
材5を損傷することがあった。Further, in the structure shown in FIGS. 8 and 9, there is no means for controlling the compression margin of the seal member 5, so that not only the sealing performance is unstable but also the seal member 5 may be damaged by overtightening the bolt 3. there were.
「問題点を解決するための手段及び作用」 本考案は信頼性の高い箱体の防水構造を安価に得ること
を目的とするもので、一枚の板からプレス加工にてボル
ト締付部分を成形し、最小限の溶接で従来の構造に相当
する箱体を形成し、ナット部材と組合せることによりシ
ール部材の圧縮代を規制するものである。"Means and Actions for Solving Problems" The present invention is intended to obtain a highly reliable waterproof structure of a box body at a low cost. A bolt tightening part is pressed from one plate by pressing. By molding and forming a box body corresponding to a conventional structure with minimum welding, and combining with a nut member, the compression margin of the seal member is regulated.
「実施例」 つぎに本考案の実施例を第1図〜第3図を参照して説明
する。"Embodiment" Next, an embodiment of the present invention will be described with reference to FIGS.
箱体21はプレス加工により一枚板から第9図と同様な断
面形状を成形し、箱体の開口部前周にはコ字状の溝を設
けるとともに、ナット部材28を固定するための取付穴29
を箱体の外周に有している。The box body 21 is formed by pressing from a single plate to have a cross-sectional shape similar to that shown in FIG. 9, a U-shaped groove is provided at the front circumference of the opening of the box body, and an attachment for fixing the nut member 28 is provided. Hole 29
On the outer circumference of the box.
なお第2図中太線で示した部分のみ溶接加工される。Only the portion shown by the thick line in FIG. 2 is welded.
ナット部材28は円柱または四角柱の部材の中心軸に沿っ
てボルト23及びナット部材8を箱体21に固定するための
ボルト30が螺合するめねじが貫通して設けられている。The nut member 28 is provided with a bolt 23 and a female screw into which a bolt 30 for fixing the nut member 8 to the box body 21 is threadedly penetrated along the central axis of a cylindrical or quadrangular prism member.
組立てる順序は箱体21にナット部材28をボルト30により
固定し、しかる後シール部材5を介して蓋22をボルト23
により取付ける。The order of assembling is that the nut member 28 is fixed to the box body 21 by the bolt 30, and then the lid 22 is fixed by the bolt 23 through the seal member 5.
Install by.
これにより第9図と同様、高い防水性能が得られる訳で
あるが、第2図に太線で示す四隅を溶接するだけで他は
プレス成形によって得られるため、寸法精度も高くかつ
安価である。As a result, similar to FIG. 9, high waterproof performance can be obtained, but since only the four corners shown by thick lines in FIG. 2 are welded and the others are obtained by press molding, the dimensional accuracy is high and the cost is low.
第5図はナット部材の取付け状態を示す別の実施例で、
箱体21を構成する板の厚さをtで表してある。箱体21に
はナット部材38の取付穴39が設けてあり、この取付穴39
は第6図に示すように四隅を面取りした四角形を成して
いる。これに嵌合するナット部材38は、第7図に示すよ
うに四角材の図示下端部に前記板厚tに対応する長さl
の範囲に亘り角部をなくす加工が施してあり、第5図の
ように取付けボルト30を回したときに廻り止めの効果を
与えるものである。FIG. 5 is another embodiment showing the mounting state of the nut member,
The thickness of the plate forming the box body 21 is represented by t. The box body 21 is provided with a mounting hole 39 for the nut member 38.
Has a quadrangular shape with chamfered four corners as shown in FIG. As shown in FIG. 7, the nut member 38 fitted therein has a length l corresponding to the plate thickness t at the lower end of the square member shown in the figure.
The corners are processed to eliminate the corners, and when the mounting bolt 30 is turned as shown in FIG.
尚、第1図の重なり部分24は密着しており、塗装するの
みで長期間発錆のないことを塩水噴霧試験等により確認
している。The overlapping portion 24 in FIG. 1 is in close contact with each other, and it has been confirmed by a salt spray test or the like that no corrosion occurs for a long time only by coating.
「考案の効果」 本考案によれば、次のような効果がある。"Effect of Invention" According to the present invention, there are the following effects.
第9図の構造と同様の箱体が一枚の板から得られ、部品
点数が削減できる。また溶接部分が殆どないため、寸法
精度が出やすくかつ安価である。さらにシール部材5の
圧縮代が、ナット部材により常に一定に規制されるた
め、ボルト3締付け過ぎによりシール部材を損傷する危
険性がなく、逆に締付け不足がチェックできるので締付
けトルク等の管理も容易となり、防水の信頼性が向上
し、さらに蓋の締付け作業性が改善される等の効果があ
る。A box similar to the structure of FIG. 9 can be obtained from one plate, and the number of parts can be reduced. Further, since there are almost no welded portions, dimensional accuracy is easy to obtain and it is inexpensive. Further, since the compression allowance of the seal member 5 is constantly regulated by the nut member, there is no risk of damaging the seal member due to overtightening of the bolt 3, and conversely it is possible to check the insufficient tightening, so that the tightening torque and the like can be easily managed. Therefore, the reliability of waterproofing is improved, and the workability of tightening the lid is improved.
第1図は本考案の実施例を説明するための図、 第2図は本考案の箱体の溶接部分を示す図、 第3図は本考案の箱体に組合わせるナット部材の斜視
図、 第4図は本考案の箱体を含む全体構成の外観図である。 また第5図〜第7図は本考案の別の実施例を説明するた
めの図、 第8図および第9図は従来構造例を示す図である。 図において 21は箱体 23はボルト 28、38はナット部材 29、39は取付穴 である。1 is a view for explaining an embodiment of the present invention, FIG. 2 is a view showing a welded portion of a box body of the present invention, and FIG. 3 is a perspective view of a nut member to be assembled with the box body of the present invention, FIG. 4 is an external view of the entire structure including the box of the present invention. 5 to 7 are views for explaining another embodiment of the present invention, and FIGS. 8 and 9 are views showing a conventional structure example. In the figure, 21 is a box body 23 is a bolt 28, 38 is a nut member 29, 39 is a mounting hole.
Claims (2)
もに、その六面のうち少なくとも一面が開口し、その開
口面にはシール部材を介して、蓋がボルトにより固定さ
れる箱体において、 前記開口面側の前記箱体の先端部は、内側に折り曲げら
れるとともに、開口面に向かって折り曲げられ、さらに
折り返されるとともに、外側に折り曲げられて、前記箱
体の外側にコ字状の溝が形成され、 前記箱体の折り返し部には前記シール部材が取り付けら
れ、 前記コ字状の溝を形成する前記箱体の辺のうち、上部の
辺には取付穴が設けられ、 この上部の辺の上面には、前記蓋を固定するボルトが螺
合するナット部材が、前記コ字状の溝内で前記取付穴を
貫通するボルトにより取り付けられ、 前記蓋は前記ナット部材および前記上部の辺を覆うよう
に形成され、 前記ナット部材の長さは、前記蓋を固定するボルトが螺
合されて、前記蓋が前記箱体に取り付けられたときに、
前記シール部材が適当な圧縮代に規制されるように設定
された、 ことを特徴とする箱体の防水構造。1. A box body having an outer shape of a substantially rectangular parallelepiped or a cube, at least one of six faces of which is open, and a lid fixed to the open face by a seal member with a bolt, wherein the opening is formed. The front end of the box body on the surface side is bent inward, bent toward the opening surface, further folded back, and bent outward to form a U-shaped groove on the outside of the box body. The seal member is attached to the folded portion of the box body, and a mounting hole is provided on an upper side of the side of the box body forming the U-shaped groove, and an upper surface of the upper side. A nut member to which a bolt for fixing the lid is screwed is attached by a bolt penetrating the attachment hole in the U-shaped groove, and the lid covers the nut member and the upper side. Is formed, the length of the nut member, a bolt for fixing is screwed to the lid, when the lid is attached to the box body,
A waterproof structure for a box body, wherein the seal member is set so as to be regulated by an appropriate compression allowance.
四角形に形成されるとともに、前記ナット部材の先端部
が前記取付穴に挿入された、 ことを特徴とする実用新案登録請求の範囲第(1)項記
載の箱体の防水構造。2. The utility model registration claim, wherein the outer shape of the nut member and the mounting hole are formed in a square shape, and the tip end portion of the nut member is inserted into the mounting hole. The waterproof structure of the box described in 1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986017385U JPH0712300Y2 (en) | 1986-02-10 | 1986-02-10 | Box waterproof structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986017385U JPH0712300Y2 (en) | 1986-02-10 | 1986-02-10 | Box waterproof structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62130055U JPS62130055U (en) | 1987-08-17 |
JPH0712300Y2 true JPH0712300Y2 (en) | 1995-03-22 |
Family
ID=30810096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986017385U Expired - Lifetime JPH0712300Y2 (en) | 1986-02-10 | 1986-02-10 | Box waterproof structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0712300Y2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5711875Y2 (en) * | 1977-07-08 | 1982-03-09 | ||
JPS59162452U (en) * | 1983-04-15 | 1984-10-31 | 正和機器産業株式会社 | oil tank |
-
1986
- 1986-02-10 JP JP1986017385U patent/JPH0712300Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62130055U (en) | 1987-08-17 |
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