JPS6213220U

JPS6213220U -

Info

Publication number: JPS6213220U
Application number: JP10505785U
Authority: JP
Priority date: 1985-07-10
Filing date: 1985-07-10
Publication date: 1987-01-27

Description

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

第１図〜第３図はこの考案の実施例を示すもの
で、第１図は端子カバーの要部断面図、第２図は
第１図のＰ矢視要部平面図、第３図は第１図の端
子カバーに封印用ねじを仮止めした状態を示す断
面図、第４図は封印用ねじとして使われる胴細ね
じの側面図、第５図は従来構造の端子カバーの要
部断面図、第６図は第５図の端子カバーに封印用
ねじを仮止めした状態を示す断面図である。１；胴細ねじ、１ａ；頭部、１ｂ；胴部、１ｃ
；ねじ部、１２；端子カバー、１２ａ；取付穴、
１２ｂ；つば部、１２ｃ；スリツト、Ｄ_０；つば
部の内径、ｄ_１；首下径、ｄ_２；呼び径。 Figures 1 to 3 show an embodiment of this invention. Figure 1 is a sectional view of the main part of the terminal cover, Figure 2 is a plan view of the main part as seen from arrow P in Figure 1, and Figure 3 is a sectional view of the main part of the terminal cover. Figure 1 is a cross-sectional view showing the sealing screw temporarily fixed to the terminal cover, Figure 4 is a side view of the thin body screw used as the sealing screw, and Figure 5 is a cross-section of the main part of the conventional terminal cover. 6 is a sectional view showing a state in which a sealing screw is temporarily fixed to the terminal cover of FIG. 5. 1; Body thin screw, 1a; Head, 1b; Body, 1c
;Screw part, 12;Terminal cover, 12a;Mounting hole,
12b: collar, 12c: slit, D ₀ : inner diameter of collar, d ₁ : diameter under neck, d ₂ : nominal diameter.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

電気機器の端子箱開口部を端子カバーで閉塞し
、この端子カバーを胴細ねじを用いて封印するも
のにおいて；前記端子カバーに設けた胴細ねじの
ねじ部の呼び径より大きな径の取付穴の内周に、
内径が前記胴細ねじの呼び径より小さくかつ放射
状に複数本のスリツトを有するつば部を設け、こ
のつば部により取付穴に押し込まれた胴細ねじを
仮止めすることを特徴とする電気機器封印用ねじ
の仮止め構造。 In a device in which the opening of a terminal box of an electrical device is closed with a terminal cover and this terminal cover is sealed using a thin body screw; a mounting hole having a diameter larger than the nominal diameter of the threaded portion of the thin body screw provided in the terminal cover; On the inner circumference of
An electrical equipment seal characterized in that a flange portion having an inner diameter smaller than the nominal diameter of the thin body screw and having a plurality of radial slits is provided, and the thin body screw pushed into the mounting hole is temporarily fixed by the flange portion. Temporary fixing structure for screws.