CN212907504U - Flat plate type structure of keycap of computer keyboard - Google Patents

Abstract

The utility model relates to a flat structure of computer keyboard key cap, including the keyboard casing, the keyboard casing include upper cover, lower cover and enclose the chamber that holds that closes by last lower cover, it is equipped with the circuit board to hold the intracavity, it has a plurality of key hole recesses, every to cover to distribute on, be equipped with super short mechanical shaft in the key hole recess, super short mechanical shaft meets with the circuit board electrical property, super short mechanical shaft top is connected with the key cap, the axis up-and-down reciprocating motion of key hole recess can be followed to super short mechanical shaft, its top surface and upper cover parallel and level when the key cap moves down along with super short mechanical shaft, the utility model discloses optimized the structure of axle, with the unanimous of feeling of traditional high mechanical shaft, whole board key cap is the horizontal plane, beat when playing the button and keep level with the keyboard surface, reduced whole height, the keyboard is more frivolous.

Description

Flat plate type structure of keycap of computer keyboard

Technical Field

The utility model relates to a keyboard technical field indicates a flat structure of computer keyboard key cap especially.

Background

The mechanical keyboard is the mainstream of the current computer keyboard, the pressing hand feeling is good, the sound of the keys is crisp, comfortable operation experience is brought to a user, but the height of the keys of the current mechanical keyboard is too high, the keys are higher than a keyboard shell after being pressed, and the volume is larger.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a flat structure of computer keyboard key cap has reduced the height of short mechanical axis, effectively reduces the whole height of keyboard, and the thickness attenuation of keyboard has reduced the keyboard volume when guaranteeing the operation and feeling.

In order to achieve the above object, the utility model adopts the following technical scheme: a flat plate type structure of a keycap of a computer keyboard comprises a keyboard shell, wherein the keyboard shell comprises an upper cover, a lower cover and a containing cavity enclosed by the upper cover and the lower cover, a circuit board is arranged in the containing cavity, a plurality of key hole grooves are distributed on the upper cover, an ultra-short mechanical shaft is arranged in each key hole groove, the ultra-short mechanical shaft is electrically connected with the circuit board, a keycap is connected above the ultra-short mechanical shaft, the ultra-short mechanical shaft can reciprocate up and down along the axis of each key hole groove, and the top surface of the keycap is flush with the upper cover when the keycap moves down along with the ultra-short mechanical shaft.

Preferably, super short mechanical shaft includes face lid, base and axle core, the mutual lock joint of face lid and base, the bottom surface of base is equipped with a circular convex part, through this circular convex part and circuit board butt, be equipped with the holding tank in the base, be equipped with the reference column in the circular convex part, two relative inner walls of holding tank are equipped with the constant head tank respectively, the axle core passes the face lid and establishes in the holding tank through the elastic component, the two-phase outside of axle core is equipped with the locating piece respectively, the one end of elastic component is worn to establish on the projection of axle core bottom, and its other end is worn to establish on the reference column, and elasticity effect and the locating piece through the elastic component wear to establish and make the axle core slide from top to bottom in the holding tank orientation in the constant head.

Preferably, the top of the shaft core is provided with a cross-shaped connecting column, and the keycap is correspondingly connected to the connecting column.

Preferably, the base is further provided with a first contact piece, a second contact piece and a third contact piece in a penetrating manner, the first contact piece and the second contact piece are respectively arranged on two opposite sides of the accommodating groove, and the third contact piece and the second contact piece are arranged on the same side.

Preferably, a spring plate is further arranged in the base in a penetrating manner, the spring plate is provided with an arc elastic part, a stopping block is arranged at the bottom of the outer side of the shaft core, the elastic part is arranged below the stopping block in a stopping manner, when the shaft core moves downwards, the stopping block firstly presses the elastic part downwards to enable the elastic part to be in a compressed state, then the stopping block is separated from the elastic part, the elastic part resets under the action of self elasticity, and the impact generates a section falling feeling on the outer side wall of the shaft core.

Preferably, the keycap is injection molded by a double injection mold, and light-guiding characters are arranged on the upper surface of the keycap.

The beneficial effects of the utility model reside in that: the utility model optimizes the structural design of the ultra-short mechanical shaft, shortens the height thereof, namely, the ultra-short mechanical shaft is configured in the keyboard, the mechanical shaft is consistent with the hand feeling of the high mechanical shaft, the whole keycap is a horizontal plane, and the keycap is level with the surface of the keyboard when the key is hit, thereby effectively reducing the overall height of the keyboard, enabling the keyboard to become light and thin, small in volume and convenient to carry;

the characters on the keycaps are made of white light guide materials and can be clearly displayed in light and dark environments. The key cap is formed by double-shot molding, the key cap fixes characters and is subjected to one-time mold stripping, the characters can be transmitted and viewed at night, and the key cap is bright and dark.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a side view of the present invention in a normal state.

Fig. 4 is a side view of the pressing state of the present invention.

Fig. 5 is a side sectional view of the present invention in a normal state.

Fig. 6 is an enlarged view of fig. 5 at a.

Fig. 7 is a side sectional view showing a pressed state of the present invention.

Fig. 8 is a perspective view of an ultra-short mechanical shaft.

Fig. 9 is an exploded view of an ultra-short mechanical axle.

Fig. 10 is a schematic structural view of the face cover.

Fig. 11 is a first structural diagram of the base.

Fig. 12 is a second structural schematic diagram of the base.

Fig. 13 is a schematic view of the structure of the shaft core.

Description of reference numerals: 1. a keyboard body; 11. a keyhole recess; 2. an ultra-short mechanical shaft; 21. a face cover; 211. a clamping part; 212. a clamping hole; 213. an opening; 22. a base; 221. a circular protrusion; 222, accommodating the tank; 223. positioning a groove; 224. a positioning column; 225. hooking the block; 23. a shaft core; 231. a convex column; 232. positioning blocks; 233. a stop block; 234. connecting columns; 24. a spring; 25. a spring plate; 251, an elastic part; 26. a first contact pad; 27. a second contact pad; 28. a third contact pad; 3. the key cap.

Detailed Description

Please refer to fig. 1-13, the utility model discloses a flat structure of computer keyboard key cap 3, including keyboard body 1, keyboard body 1 can be dismantled with the lower cover by the upper cover and is connected and constitute, it has a plurality of key hole recesses 11 to distribute on the keyboard body 1, be equipped with super short mechanical axis 2 in the key hole recess 11, super short mechanical axis 2 with establish the circuit board electrical property butt in keyboard body 1, be connected with key cap 3 on the super short mechanical axis 2, key cap 3 reciprocates through super short mechanical axis 2, key cap 3 is higher than keyboard body 1 at its top surface under static state, when key cap 3 moves down its top surface and keyboard body 1 parallel and level.

Preferably, the ultra-short mechanical shaft 2 includes a surface cover 21, a base 22 and a shaft core 23, two opposite sides of the surface cover 21 are respectively provided with a clamping portion 211, the clamping portion 211 is provided with a clamping hole 212, two corresponding sides of the base 22 are respectively provided with a hook 225, the surface cover 21 is detachably fastened on the base 22 by correspondingly clamping the clamping hole 212 and the hook 225, the surface cover 21 is provided with an opening 213, the bottom surface of the base 22 is provided with a circular protrusion 221, the circular protrusion 221 is abutted to the circuit board by the circular protrusion 221, the base 22 is provided with a receiving groove 222, the circular protrusion is provided with a positioning column 224, two opposite inner walls of the receiving groove 222 are respectively provided with a positioning groove 223, two opposite outer sides of the shaft core 23 are respectively provided with a positioning block 232, the shaft core 23 is positioned and moved by the positioning block 232 penetrating through the positioning groove 223, the bottom of the shaft core 23 is provided with a convex column 231, and the convex column 231 is connected with, the other end of the spring 24 is inserted into the positioning post 224, and the shaft core 23 slides up and down in the accommodating groove 222 by the elasticity of the spring 24.

Preferably, the top of the shaft core 23 is provided with a cross-shaped connecting column 234, and the keycap 3 is correspondingly connected to the connecting column 234.

Preferably, an elastic sheet 25 is further disposed in the base 22 in a penetrating manner, the elastic sheet 25 is provided with an arc-shaped elastic portion 251, the bottom of the outer side of the shaft core 23 is provided with a stop block 233, the elastic portion 251 is disposed below the stop block 233 in a abutting manner, when the shaft core 23 moves downward, the stop block 233 presses the elastic portion 251 first, so that the elastic portion 251 is in a compressed state, then the stop block 233 is separated from the elastic portion 251, the elastic portion 251 resets under the action of its own elastic force, and impacts on the outer side wall of the shaft core 23 to make a sound, thereby generating a section falling feeling.

Preferably, the base 22 further has a first contact piece 26, a second contact piece 27 and a third contact piece 28, the first contact piece 26 and the second contact piece 27 are respectively disposed on two opposite sides of the receiving groove 222, the third contact piece 28 is disposed on the same side as the second contact piece 27, and the second contact piece 27 and the third contact piece 28 can stabilize the ultra-short mechanical shaft 2 and prevent it from loosening.

Preferably, the first contact piece 26 is disposed in the slot of the base 22, and the first contact piece 26 has a triangular hollow structure.

Preferably, the second contact plate 27 includes a rectangular connecting portion, the rectangular connecting portion has a rectangular opening 213, and a second contact pin is integrally connected to a lower portion of the rectangular connecting portion, and the second contact pin passes through the base 22 to be exposed.

Preferably, the third contact piece 28 is provided with a third contact pin, which is exposed through the base 22 and has a loop-shaped arm at its side.

Preferably, the overall height of the ultra-short mechanical shaft 2 is 10-11mm, the moving stroke of the shaft core 23 is 3.0 +/-0.5 mm, and the conducting stroke of the shaft core 23 and the circuit board is 1.2 +/-0.5 mm.

Preferably, the key cap 3 is formed by injection molding through a double-injection mold, characters are arranged on the upper surface of the key cap, and the characters are made of white light guide materials and can be clearly displayed in the light and dark environment.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (6)

1. The utility model provides a flat structure of computer keyboard key cap, includes the keyboard casing, the keyboard casing include upper cover, lower cover and by the chamber that holds that upper and lower lid encloses to close, it is equipped with the circuit board to hold the intracavity, it has a plurality of keyhole recesses, its characterized in that to cover to distribute on the upper cover: a super-short mechanical shaft is arranged in each key hole groove and electrically connected with the circuit board, a keycap is connected above the super-short mechanical shaft, the super-short mechanical shaft can reciprocate up and down along the axis of the key hole groove, and the top surface of the keycap is flush with the upper cover when the keycap moves down along with the super-short mechanical shaft.

2. The keyboard key cap plate structure of claim 1, wherein: the ultra-short mechanical shaft comprises a surface cover, a base and a shaft core, wherein the surface cover is fastened with the base, a circular convex part is arranged on the bottom surface of the base and is abutted against a circuit board through the circular convex part, a containing groove is formed in the base, a positioning column is arranged in the circular convex part, two opposite inner walls of the containing groove are respectively provided with a positioning groove, the shaft core penetrates through the surface cover and is arranged in the containing groove through an elastic piece, two opposite sides of the shaft core are respectively provided with a positioning block, one end of the elastic piece is arranged on a protruding column at the bottom of the shaft core in a penetrating mode, the other end of the elastic piece is arranged on the positioning column in a penetrating mode, and the elastic action of the elastic piece and the positioning block are arranged.

3. The keyboard key cap plate structure of claim 2, wherein: the top of the shaft core is provided with a cross-shaped connecting column, and the keycaps are correspondingly connected to the connecting column.

4. The keyboard key cap plate structure of claim 2, wherein: the base is further provided with a first contact piece, a second contact piece and a third contact piece in a penetrating mode, the first contact piece and the second contact piece are arranged on two opposite sides of the containing groove respectively, and the third contact piece and the second contact piece are arranged on the same side.

5. The keyboard key cap plate structure of claim 2, wherein: still wear to be equipped with a shell fragment in the base, the shell fragment is equipped with an curved elastic part, the outside bottom of axle core is equipped with one and supports the piece, elastic part supports and establishes below supporting the piece, and when the axle core moves down, supports the piece and pushes down elastic part earlier, makes elastic part be in compression state, then supports the piece and separates with elastic part, and elastic part resets under the elastic force effect of self, and the striking produces the section and feels on the lateral wall of axle core.

6. The keyboard key cap plate structure of claim 1, wherein: the keycap is formed by injection molding through a double-injection mold, and light-guiding characters are arranged on the upper surface of the keycap.

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