JPS6038019U - Explosion-proof junction box - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の防爆型接続箱の斜視図、第２図は本考案
の一実施例の防爆型接続箱の斜視図、第３図は同着を取
外した斜視図、第４図は同背面図、第５図は底部の斜視
図、第６図は箱本体の−　　　部を断面した正面図、第
７図は第６図のＡ−Ａ線断面図、第８図は蓋の正面図、
第９図は同部分側面図、第１０図は本考案の他の実施例
の概略側断面図である。 ４・・・箱本体、５・・・底壁、６・・・上壁、７，８
・・・側壁、９・・・背面壁、１０・・・起立壁、１１
・・・底部上壁、１２・・・底部突出部、１３・・・正
面開口、１４・・・蓋、１５・・・締結具、１８・・・
突出部、１９・・・周縁部、２３・・・凹部、２４，２
５，２６・・・リブ。 璽０１　５ ２６ 第４図 庄 ＼Ｉ ５Figure 1 is a perspective view of a conventional explosion-proof junction box, Figure 2 is a perspective view of an explosion-proof junction box according to an embodiment of the present invention, Figure 3 is a perspective view with the same attachment removed, and Figure 4 is the same. Rear view, Figure 5 is a perspective view of the bottom, Figure 6 is a front view of the box body in section, Figure 7 is a sectional view taken along line A-A in Figure 6, and Figure 8 is a front view of the lid. ,
FIG. 9 is a side view of the same portion, and FIG. 10 is a schematic side sectional view of another embodiment of the present invention. 4...Box body, 5...Bottom wall, 6...Top wall, 7,8
...Side wall, 9...Back wall, 10...Standing wall, 11
... Bottom upper wall, 12 ... Bottom protrusion, 13 ... Front opening, 14 ... Lid, 15 ... Fastener, 18 ...
Projection part, 19... Peripheral part, 23... Recessed part, 24, 2
5,26...ribs. Seal 01 5 26 Figure 4 Sho＼I 5

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）箱本体４の正面開口１３を蓋１４で締結具１５を
用いて着脱可能に閉塞した防爆型接続箱において、前記
箱本体４の背面壁９に筒内面下方が正面側に突出し上方
が背面側に傾斜する突出部１８を形成し、前記背面壁９
の箱外面に突出部１８と対応する凹部２３を設け、この
凹部２３に箱外面の周縁部１９と同一平面まで突出する
リブ２４を形成したことを特徴とする防爆型接続箱。(1) In an explosion-proof junction box in which the front opening 13 of the box body 4 is removably closed with a lid 14 using a fastener 15, the lower part of the cylindrical inner surface protrudes toward the front side and the upper part protrudes from the rear wall 9 of the box body 4. A protrusion 18 that slopes toward the rear side is formed, and the rear wall 9
An explosion-proof junction box characterized in that a recess 23 corresponding to the protrusion 18 is provided on the outer surface of the box, and a rib 24 is formed in the recess 23 to protrude to the same plane as the peripheral edge 19 of the outer surface of the box. （２）箱本体４の背面壁９の肉厚を全体にわたってほぼ
等しくした実用新案登録請求の範囲第１項記載の防爆型
接続箱。(2) The explosion-proof connection box according to claim 1, in which the wall thickness of the back wall 9 of the box body 4 is substantially equal throughout. （３）背面壁９の箱内面に端子台取付兼補強用のリブ２
５，２６を設けた実用新案登録請求の範囲第１項または
第２項記載の防爆型接続箱。(3) Rib 2 for mounting and reinforcing the terminal block on the inside of the box on the back wall 9
5, 26. The explosion-proof junction box according to claim 1 or 2 of the utility model registration claim. （４）箱本体４の底部に正面側に突出する中空の底部突
出部１２を設け、この底部突出部１２より上方に蓋１４
と背面壁９の突出部１８とを配設した実用新案登録請求
の範囲第１項、第２項または第３項記載の防爆型接続箱
。(4) A hollow bottom protrusion 12 is provided at the bottom of the box body 4, and a lid 14 is provided above the bottom protrusion 12.
and the protruding portion 18 of the rear wall 9.