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Time switch

A timing switch and switching technology, which is applied in the direction of time program switch, electric switch, washing device, etc., can solve problems such as complex timer structure, and achieve the effect of smooth operation

Inactive Publication Date: 2004-10-20
SANKYO SEIKI MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, in the technology of the above-mentioned patent, in order to change the switching cycle, a second main switching mechanism needs to be added, so the structure of this timer is relatively complicated

Method used

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Examples

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Embodiment Construction

[0033] An embodiment of a timer switch according to the present invention will now be explained by referring to FIGS. 1 to 18 of the accompanying drawings. For reference, the timer switch shown in this example is a spring-type timer switch used in washing machines, a so-called reversing timer.

[0034] The timer switch 1 according to the present invention comprises two housings 10 and 11 which are made of resin and together constitute the housing of the timer switch 1 . A chamber 110 is formed in the frame 11 to store a spring 20 serving as a driving source. A watertight wall 103 is formed at one side portion of the frame 10, and a terminal is disposed therein for connection to the outside, the terminal being spaced apart from the watertight wall.

[0035]A tubular shaft portion 101 is formed in the frame 10, and a main shaft 15 is made of metal and is loosely fitted in the tubular shaft portion 101 as a first rotating shaft so that the main shaft 15 can be rotated. A knob (...

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PUM

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Abstract

A time switch includes a first rotating shaft driving by a driving source, a first cam member rotating with the first rotating shaft, a main switch, a second cam member, second switches connected in series to the main switch, and a connecting means reciprocatingly oscillating when the main switch is being turned on for transmitting its movement to the second switches. The conditions that the operation of the second switches following a cam plane is prevented and not prevented by the connecting means are presented at least once each until equipment is completely stopped by the main switch.

Description

technical field [0001] The invention relates to a time switch which can be used in washing machines, electric fans, microwave ovens with thawing devices and the like, especially a time switch suitable for use in washing machines. Background technique [0002] Generally speaking, as a kind of time switch, there is a kind of timer used in the washing machine. The structural feature of this timer is that a time limit operation switch is installed between the power supply and the load, which is turned on within a set time, and will be turned off if the set time is exceeded; A cyclically operated switch that alternates on and off for a given period. The structural arrangement of the time-limited operation switch and the cycle operation switch is such that they are connected in series with each other. The load can be driven intermittently within a given cycle by time-limiting the action of the operating switch and cyclically operating the switch. [0003] As one of such washing...

Claims

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Application Information

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IPC IPC(8): D06F33/02H01H43/10
Inventor 北泽富男
Owner SANKYO SEIKI MFG CO LTD