JPS60194326U

JPS60194326U - Double-sided adjustable chip trimmer capacitor

Info

Publication number: JPS60194326U
Application number: JP8225984U
Authority: JP
Inventors: 小島　辰夫; 行博安土
Original assignee: 株式会社村田製作所
Priority date: 1984-06-01
Filing date: 1984-06-01
Publication date: 1985-12-24
Also published as: JPH039318Y2

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

[Brief explanation of drawings]

第１図はこの考案の一実施例の縦断面図である。第２図
は第１図のチップトリマコンデンサ１の平面図である。第３図はチップトリマコンデンサ１を構成する部品を分
解して示す斜視図である。第４図はチップトリマコンデ
ンサ１の一部品となるケース５の平面図である。第５図
はケース５の縦断面図である。第６図はチップトリマコ
ンデンサ１の実装状態の例を示す図である。図において、１はチップトリマコンデンサ、２はドライ
バ溝付ばね、３はメタルロータ、４は誘電体板、５はケ
ース、６は中心シャフト、８はドライバ溝、１１はばね
片、１３は透孔、１４はロータ電極、１６は透孔、１７
はステータ電極、１８は上面開口、２０は下面開口、２
１はロータ側端子、２２はステータ側端子、２３は透孔
、・２６は頭部、２７はドライバ溝、２８は断面非円形
部分（断面正方形部分）、２９は断面円形油分である。FIG. 1 is a longitudinal sectional view of an embodiment of this invention. FIG. 2 is a plan view of the chip trimmer capacitor 1 shown in FIG. FIG. 3 is an exploded perspective view of the parts constituting the chip trimmer capacitor 1. FIG. 4 is a plan view of the case 5 which is a part of the chip trimmer capacitor 1. FIG. 5 is a longitudinal sectional view of the case 5. FIG. 6 is a diagram showing an example of a mounting state of the chip trimmer capacitor 1. In the figure, 1 is a chip trimmer capacitor, 2 is a driver grooved spring, 3 is a metal rotor, 4 is a dielectric plate, 5 is a case, 6 is a center shaft, 8 is a driver groove, 11 is a spring piece, and 13 is a through hole. , 14 is a rotor electrode, 16 is a through hole, 17
is a stator electrode, 18 is an upper opening, 20 is a lower opening, 2
1 is a rotor side terminal, 22 is a stator side terminal, 23 is a through hole, 26 is a head, 27 is a driver groove, 28 is a non-circular section (square section), and 29 is a circular section oil.

Claims

[Scope of utility model registration request]

(1) A center shaft extending vertically is arranged in an insulating case having an opening on the top surface, and a dielectric plate is fixedly placed inside the case with the center shaft passing through the metal rotor. are arranged rotatably,
The metal rotor is provided with means for performing a rotation operation from outside the opening, and a stator electrode and a rotor electrode are formed on the lower surface of the dielectric plate and the lower surface of the metal rotor, respectively. A spring is disposed on the upper surface of the metal rotor to press the metal rotor into contact with the dielectric plate, and the rotor electrode and A rotor-side terminal and a stator-side terminal each electrically connected to the stator electrode are formed along an outer surface of the case, respectively.
In the chip trimmer capacitor, the case is molded of resin with the rotor-side terminals and the stator-side terminals inserted therein, and also has an opening on the bottom surface, and the center shaft is disposed within the opening on the bottom surface of the case. The central shaft has a lower end face that does not protrude from the lower opening, a driver groove is formed in the lower end face, and at least a portion of the central shaft in the axial direction has a non-circular cross section. A double-sided adjustable tip trimmer, characterized in that a through hole with a non-circular cross section that can be engaged with the rotational movement of the center shaft is formed in the center of the metal rotor through which the metal rotor passes through. capacitor.

(2) The rotor-side terminal is formed to protrude inward from the inner peripheral surface of the lower opening while forming a through hole concentric with the lower opening of the case, and has a relatively large hole at the lower end of the center shaft. The double-sided adjustable tip according to claim 1, wherein a head having a large diameter is formed and the head is engaged from below with the periphery of the through hole of the rotor side terminal. trimmer capacitor.

(3) The spring and the center shaft are made of metal, and the spring is held by caulking the upper end of the center shaft, and electrical conduction from the front packed rotor side terminal to the metal rotor is established through the center shaft. A double-sided adjustable tip trimacodenser according to claim 2, which is achieved through a shaft and a spring.

(4) A claim for registration of a utility model, wherein the spring is configured to rotate together with the metal rotor, and a driver grooved member serving as a means for performing a rotational operation on the metal opening is integrally formed with the spring. Range 1st to 3rd
A double-sided adjustable chip trimmer capacitor according to any of paragraphs.

(5) The non-circular cross-sectional portion of the central shaft is formed in a portion in the axial direction, and the other portion has a circular cross-section, and the circular cross-sectional portion penetrates the dielectric plate and is located within the lower opening. A double-sided adjustable chip trimmer capacitor according to any one of claims 1 to 4, which is registered as a utility model.

(6) The double-sided structure according to any one of claims 1 to 5, wherein the non-circular cross-sectional portion of the center shaft and the through hole in the center of the metal rotor each have a substantially square cross-section. Adjustable chip trimmer capacitor.