JPS62173125U

JPS62173125U -

Info

Publication number: JPS62173125U
Application number: JP856787U
Authority: JP
Priority date: 1987-04-14
Filing date: 1987-01-23
Publication date: 1987-11-04

Description

[Brief explanation of the drawing]

第１図は、本考案の電力調節スイツチを示す一
部分解斜視図、第２図及び第３図は本考案の電力
調節スイツチの動作状態を示す正面図で、第２図
は駆動モーターに電源が遮断された場合の動作状
態図、第３図は駆動モーターに電源が供給されて
いる場合の動作状態図、第４図は第２図のＡ―Ａ
線断面図、第５図は第２図のＢ―Ｂ線断面図、第
６図は、本考案の電力調節スイツチの電気回路を
示す配線図である。１…基板、２…スイツチカバー、３…駆動モー
ター、４…減速器、８…タイミングカム、８′…
カム孔、９，１０，１１，１２，１３…接続片、
１２′，１３′…折り曲げ部、１４，１５，１６
…可動片、１４ａ，１５ａ，１６ａ…接点、１７
…接触突条、１８…スイツチ保持器、１８′…軸
ピン、１９…案内ピン、２０…固定片、２１…可
動片、２０ａ，２１ａ…接点、２２…接触突条、
２３…軸孔、２４…回転軸、２５…調節カム、２
７…カム溝、２８…凹部、４０…電気的負荷。 Fig. 1 is a partially exploded perspective view showing the power regulating switch of the present invention, Figs. 2 and 3 are front views showing the operating state of the power regulating switch of the present invention, and Fig. 2 shows the power supply to the drive motor. Figure 3 shows the operating state when power is supplied to the drive motor. Figure 4 shows A-A in Figure 2.
5 is a sectional view taken along line BB in FIG. 2, and FIG. 6 is a wiring diagram showing the electric circuit of the power adjustment switch of the present invention. 1... Board, 2... Switch cover, 3... Drive motor, 4... Reducer, 8... Timing cam, 8'...
Cam hole, 9, 10, 11, 12, 13... connection piece,
12', 13'...Bending portion, 14, 15, 16
...Movable piece, 14a, 15a, 16a...Contact, 17
...Contact protrusion, 18...Switch retainer, 18'...Axis pin, 19...Guide pin, 20...Fixed piece, 21...Movable piece, 20a, 21a...Contact, 22...Contact protrusion,
23... Shaft hole, 24... Rotating shaft, 25... Adjustment cam, 2
7...Cam groove, 28...Recess, 40...Electrical load.

Claims

[Claims for Utility Model Registration] 1. A switch cover 2 having a board 1 on the front, a drive motor 3 provided on the back side of the board 1, a decelerator 4 for reducing the speed of the drive motor 3, and a decelerator 4 that reduces the speed of the drive motor 3. A timing cam 8 that rotates at a predetermined speed by decelerating the drive motor 3 is provided on one side above the substrate 1 inside the switch cover 2 so as to extend through the substrate 1 and form a predetermined interval in order to open and close the power supply circuit of the drive motor 3. Each connection piece 9, 10, 11 fixedly attached to
Each base end of each movable piece 14, 15, 16 is fixed to the front side of the board 1 of each connecting piece 9, 10, 11, and the other end thereof forms a free end. A contact protrusion 1 is provided at the middle part of the movable piece 16.
7 is provided, and when the outer circumferential surface of the adjusting cam 25 and the recess 28 provided on one side of the outer circumferential surface of the adjusting cam 25 come into contact with the contact protrusion 17, the movable piece 16 moves, and each of the movable pieces When the pieces 14, 15, and 16 open or come into contact with each other, power is cut off or supplied to the drive motor 3. A shaft hole 23 is drilled in a predetermined portion of the front surface of the substrate 1, and a rotating shaft 24 is inserted into the shaft hole 23. Then, the adjustment cam 2 is attached to the contact protrusion 17 provided on the movable piece 16.
The rear side of the adjusting cam 25 is fitted onto the front rotating shaft 24 so that the outer peripheral surface of the adjusting cam 25 is in contact with the outer circumferential surface of the adjusting cam 25, and each connecting piece 12, 13 having each bent part 12', 13' is connected to the other side above the board 1. The substrate 1 is arranged such that each of the bent portions 12' and 13' is located on the front surface of the substrate 1 at a predetermined interval.
A fixed piece 20 and a movable piece 21 are respectively inserted into the U-shaped switch retainer 18, and the base ends of each fixed piece 20 and movable piece 21 are connected to each connection piece 12. , 13, and the guide pin 19 extends through each of the fixed pieces 20 and the movable piece 21 so that the other end forms a free end. The guide pin 19 is fixed to the inner bottom surface of the switch retainer 18, and one end of the guide pin 19 is extended to protrude in front of the movable piece 21. 21, and its shaft pin 1
8' is fixed to the substrate 1, and the switch holder 18, the fixed piece 20, the movable piece 21 and the guide pin 1 are connected to each other.
A fixed piece 20 and a movable piece 21 are respectively fixed to the switch holder 18 so that the timing cam 9 can freely rotate around its shaft pin 18', and a triangular shape is provided above the timing cam 8. A cam hole 8' is formed in the timing cam 8'.
is inserted between each of the fixed pieces 20 and the movable piece 21 and fixed to the decelerator 4, and a contact protrusion 22 is provided at a predetermined rear portion of the movable piece 21, and the contact protrusion 22 is connected to the timing cam 8. An involute-shaped cam groove 27 is formed on the rear surface of the adjustment cam 25, and the guide pin 19 is inserted into and abutted on the cam groove 27, and the guide pin 19 is guided by rotation of the cam groove 27. When the pin 19 moves and the guide pin 19 is located at the maximum apex of its cam groove 27, the recess 28 provided on the outer circumferential surface of the adjusting cam 25 comes into contact with the contact protrusion 17 and the drive The power supplied to motor 3 is cut off,
A power adjustment switch configured so that the power periodically applied to the electrical load 40 can be variably adjusted by a user adjusting the adjustment cam 25 to a required position. 2. Each contact point 15a, 15b is provided on both the front and rear surfaces of the other end portion of the movable piece 15, and each movable piece 14,
The contact points 15a, 15b of each of the 16 local end portions
The contacts 14a and 16a are provided at positions corresponding to the movable piece 16 by rotation of the adjustment cam 25.
The contact protrusions 17 provided on the adjustment cam 25 come into contact with or come off from the recesses 28 provided on the outer peripheral surface of the adjustment cam 25, and the contact points 14a, 16a are brought into contact with the outer peripheral surface of the adjustment cam 25. Each contact 15a, 16
2. The power adjustment switch according to claim 1, wherein the power adjustment switch is opened or connected to a to cut off or supply power to the drive motor 3. 3 Each contact 20a, 21 is connected to or opened to the other end of the fixed piece 20 and the movable piece 21.
a, and a contact protrusion 22 provided on the movable piece 21 thereof.
A utility model registration request characterized in that when the contacts 20a and 21a come into contact with or come off the front surface of the timing cam 8, the respective contacts 20a and 21a are opened or connected, and power is cut off or supplied to the electrical load 40. The power adjustment switch according to item 1.