JPS6284905U

JPS6284905U -

Info

Publication number: JPS6284905U
Application number: JP17570685U
Authority: JP
Priority date: 1985-11-14
Filing date: 1985-11-14
Publication date: 1987-05-30

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例によるチツプ型可変
抵抗器の断面図、第２図はその平面図。第３図は
本考案の一実施例の過程で絶縁基板の上面に被着
形成された集電電極体、抵抗体、鏡面部、電極部
の平面図。第４図はその断面図、第５図はその裏
面図。第６図は従来の開放型チツプ可変抵抗器の
断面図。第７図は従来の防塵型チツプ可変抵抗器
の断面図を示す。１……絶縁基板、１ａ，１ｂ，１ｃ……端部、
１ｄ……貫通孔、２……摺動子、３……シヤフト
、４……はんだ、５……回転子、５ａ……溝部、
６……Ｏリング、７ａ，７ａ′……集電電極部、
７ｂ，７ｂ′，７ｃ，７ｃ′……電極部、７ｄ…
…補強用導体部、８……抵抗体、９……鏡面部。 FIG. 1 is a sectional view of a chip type variable resistor according to an embodiment of the present invention, and FIG. 2 is a plan view thereof. FIG. 3 is a plan view of a current collecting electrode body, a resistor, a mirror surface part, and an electrode part formed on the upper surface of an insulating substrate in the process of an embodiment of the present invention. FIG. 4 is a sectional view thereof, and FIG. 5 is a back view thereof. FIG. 6 is a sectional view of a conventional open-chip variable resistor. FIG. 7 shows a sectional view of a conventional dust-proof chip variable resistor. 1...Insulating substrate, 1a, 1b, 1c...End part,
1d...Through hole, 2...Slider, 3...Shaft, 4...Solder, 5...Rotor, 5a...Groove portion,
6... O ring, 7a, 7a'... current collecting electrode part,
7b, 7b', 7c, 7c'...electrode section, 7d...
...Reinforcement conductor part, 8...Resistor, 9...Mirror surface part.

Claims

[Scope of utility model registration request]

A cylindrical rotor with a driver groove on the top surface, a through hole in the center, a through-hole conductor for current collection in the center of both sides, and a horse-shaped resistor isolated on the outside of the conductor on the top surface. an insulating substrate having a mirror surface portion isolated on the outside of the resistor, an O-ring that presses the gap between the mirror surface portion on the insulating substrate and the lower surface of the rotor; a stepped cylindrical shaft that is isolated from the top surface, rotates independently of the rotor in the rotational direction, and has a hole at its tip to be inserted into the through hole of the insulating substrate inserted in the vertical direction; A chip-type variable resistor characterized in that the shaft is fixed to a through hole of the insulating substrate by enlarging a hole at the tip thereof.