Keys and their keyboards

Abstract

The invention relates to a key and a keyboard thereof. The key comprises a base plate, a key cap, a supporting unit and a spring-back unit. The base plate includes a triggering elastic arm and a triggering switch. The support unit comprises a first support piece and a second support piece, the first support piece is pivoted to the key cap and connected to the base plate in a slidable manner, the second support piece is pivoted to the base plate, connected to the key cap in the slidable manner, and pivoted to the first support piece in an intersected manner, and one of the first and second support pieces abuts against the triggering elastic arm. The spring-back device is arranged between the key cap and the base plate to drive the key cap to return to an original position. When the key cap is pressed by an outside force, one of the first and second support pieces slides outwardly relatively so that the triggering elastic arm triggers the triggering switch. When the outside force is released, the spring-back device drives the key cap to move back to a not-pressed position, one of the first and second support pieces slides inwardly relatively so that the triggering elastic arm is separated from the triggering switch. According to the invention, the sensitivity and pressing feeling of the key are improved, circuit damage is avoided and the service life is prolonged.

Description

technical field [0001] The present invention relates to a key and its keyboard, in particular to a key and its keyboard which uses a trigger elastic arm on a bottom plate to slide along with a support to separate from a trigger switch or trigger the trigger switch. Background technique [0002] As far as current personal computer usage habits are concerned, the keyboard is one of the indispensable input devices for inputting characters, symbols or numbers. Not only that, but all consumer electronic products in daily life or large-scale processing equipment used in the industry need to be equipped with a key structure as an input device to operate the above-mentioned electronic products and processing equipment. [0003] see figure 1 , which is a cross-sectional view of the key 1 in the prior art. Such as figure 1 As shown, the button 1 includes a bottom plate 10 , a keycap 12 , a circuit board 14 , a lifting support device 16 and an elastic member 18 . The circuit board ...

AI Technical Summary

Problems solved by technology

[0004] However, since the switch 15 on the circuit board 14 is triggered by pressing the keycap 12 to make the trigger portion 19 of the elastic member 18 press down, the circuit board 14 and the elastic member 18 will relatively bear relatively large compressive stress, thereby As a result, the pressing feel of the button 1 is not sensitive enough and the service life of the elastic member 18 is affected. Furthermore, if the user presses improperly and the circuit board 14 is subjected to excessive compressive stress, the circuit board 14 may appear. Permanent deformation, resulting in damage to the circuit or continuous triggering of switch 15, etc.

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