Keying switch

A key and switch technology, applied in the field of key switches, can solve the problems of complex reset mechanism and poor workmanship of piano key switches, and achieve the effects of small operating force, safe and reliable use, and sensitive action
CN1741219AInactive Publication Date: 2006-03-01TCL INT ELECTRICAL HUIZHOU
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TCL INT ELECTRICAL HUIZHOU
Publication Date
2006-03-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

A switch of key type consists of key cover, base, containing frame and reset mechanism. It is featured as setting reset mechanism in containing frame between key cover and base; pressing down key cover to let reset mechanism coordinate slide block , link rod ,reset spring , etc for turning over switch contact alternatively; and restoring switch to be initial position when key cover is released.
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Description

technical field

[0001] The invention relates to a key switch, in particular to a civil key switch with an automatic reset mechanism. Background technique

[0002] Push-button switch is the most common and common electrical component used to control the on-off of electrical equipment. The ordinary push-button switch is a double-position type. Keeping it in different positions, it is common that the height of the same end is different, which makes the overall appearance of the switch uneven, with a low overall sense and poor fluency. figure 1 Shown is a common manual push-type switch, which includes a key cover 1 and a base 7, a terminal 71 is provided in the base, a rocker 5 is provided between the base 7 and the key cover 1, and a spring is provided in the rocker , the position of the rocker is in the slideway inside the button cover, forming a T-shaped structure with the button. In the initial state, the rocker is located on one side of the seesaw 6, and when the key cove...

Claims

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