JPH03116538U

JPH03116538U -

Info

Publication number: JPH03116538U
Application number: JP2361490U
Authority: JP
Priority date: 1990-03-08
Filing date: 1990-03-08
Publication date: 1991-12-03

Description

[Brief explanation of drawings]

第１Ａ図、第１Ｂ図および第１Ｃ図は、本考案
の近接スイツチの一実施例の構成を示すそれぞれ
上部、側部および底部から見た断面図、第２図は
、第１Ａ図、第１Ｂ図および第１Ｃ図に示された
実施例の外観を示す斜視図、第３図は、第１Ａ図
、第１Ｂ図および第１Ｃ図に示された実施例のコ
ア、コイル部および回路基板の詳細構成を示す分
解斜視図、第４図は、第１Ｂ図の物体接近検出部
付近の部分拡大図、第５Ａ図、第５Ｂ図および第
５Ｃ図は、従来の近接スイツチの一例の構成を示
すそれぞれ上部、側部および底部から見た断面図
、第６Ａ図、第６Ｂ図および第６Ｃ図は、従来の
近接スイツチの別の例の構成を示すそれぞれ上部
、側部および底部から見た断面図である。１０……金属物体接近検出部、１２……コア、
１４……コイル部、１６……回路基板、３４……
コイルボビン、３６ａ，３６ｂ……コイル端部、
３８ａ，３８ｂ……金属接続端子、５２ａ，５２
ｂ……スルーホール、７０ａ，７０ｂ……導電パ
ターン。 1A, 1B, and 1C are cross-sectional views, respectively, seen from the top, side, and bottom, showing the configuration of one embodiment of the proximity switch of the present invention; FIG. FIG. 3 is a perspective view showing the external appearance of the embodiment shown in FIGS. FIG. 4 is an exploded perspective view showing the structure; FIG. 4 is a partially enlarged view of the vicinity of the object approach detection section in FIG. 1B; FIGS. 5A, 5B, and 5C are views showing the structure of an example of a conventional proximity switch. FIGS. 6A, 6B and 6C are cross-sectional views as viewed from the top, side and bottom, respectively, showing the configuration of another example of a conventional proximity switch. be. 10... Metal object approach detection section, 12... Core,
14...Coil part, 16...Circuit board, 34...
Coil bobbin, 36a, 36b... coil end,
38a, 38b...metal connection terminal, 52a, 52
b... Through hole, 70a, 70b... Conductive pattern.

Claims

[Claims for Utility Model Registration] A coil bobbin having a connection terminal around which an end of an object approach detection coil is wound; a core holding the coil bobbin and having a notch for allowing the connection terminal of the coil bobbin to protrude from the bottom; , a proximity switch comprising a circuit board having a through hole into which a connection terminal of the coil bobbin is inserted, a circuit for processing an output of the detection coil, and a conductive pattern for electrically connecting the circuit and the through hole. .