CN205303265U - An optomechanical custom backlit membrane keyboard - Google Patents

Abstract

The utility model discloses a self-defined membrane keyboard in a poor light of optomechanical, including key cap, axle core, well lid, PCB lamp plate, PCB, bottom plate and drain pan, be provided with according to the key region in the well lid, all set up according to the key hole in every according to the key region, one side of this according to the key hole is provided with the leaded light hole, be provided with the light source on the PCB lamp plate, every light source is just to the leaded light hole of upper end; the upper end face of each light source is provided with a light guide column, the light guide columns are fixedly arranged on a light guide plate, a through hole is formed in the position, opposite to each key hole, of the light guide plate, and the light guide columns are located on one side of the through holes. The utility model discloses can not only accomplish unanimously every or a plurality of key light effect, can also accomplish light effect diversified, transform mode is diversified, can also realize that self-defined button sends out light zone and horse race lamp to can also solve the technical problem who hits the button conflict, realize above 26 minimum or the conflict is not had in the whole key, promote user's use enjoyment and practicality.

Description

An optomechanical custom backlit membrane keyboard

technical field

The utility model relates to an optical mechanical self-defined backlight film keyboard.

Background technique

The existing traditional membrane keyboard is connected with a shaft core under each keycap, and the shaft core passes through the guide hole of the middle cover. There are silicone keys under each shaft core, and a conductive film is placed under the silicone keys. , a luminescent plate is arranged under the conductive film. The light-emitting board is linked to the PCB, the conductive film is linked to the PCB chip through a connector, and the upper cover is provided with key holes in each key area. When the keycap is clicked, the silicone is triggered through the shaft core, and the signal is transmitted to the PCB chip through the conductive film. It is transmitted from the PCB chip to the computer to realize the input function. The existing fake mechanical chip cannot be entered into the program. Although the above can emit light, it is impossible to individually control and adjust the light change mode and customization of the key backlight and the lights around the keyboard.

Contents of the invention

The technical problem to be solved by the utility model is to provide an optomechanical custom backlight film that can not only achieve consistent lighting effects, but also achieve diversified lighting effects and transformation modes, and can also realize custom button light-emitting areas. keyboard.

The utility model is realized through the following technical solutions: an optical mechanical self-defined backlight film keyboard, including a keycap, a shaft core, a middle cover, a PCB light board, a PCB, a bottom plate and a bottom shell, and the middle cover is provided with Button area, each button area is provided with a button hole, one side of the button hole is provided with a light guide hole, the PCB light board is located at the lower end of the button hole, the PCB light board is provided with a light source, each light source is To the button hole on the upper end;

The upper end surface of each light source is provided with a light guide column, and the light guide column is fixedly arranged on a light guide plate, and a through hole is provided on the light guide plate opposite to each button hole, and the light guide column is located at the end of the through hole. On one side, each light guide column passes through the light guide hole to the lower end surface of the keycap.

As a preferred technical solution, an independent shaft core is installed on the lower end of the key cap, and a silicone button is arranged on the lower end surface of each shaft core, and a conductive film is arranged on the lower end of the silicone button, and the PCB Chips are arranged on the light board. As a preferred technical solution, a connector is provided on the upper end of the conductive film, and the conductive film is connected to the PCB chip on the PCB light board through the connector.

The beneficial effects of the utility model are: the utility model can not only make the lighting effects consistent, but also achieve diversified lighting effects and transformation modes, and can also realize custom button light-emitting areas, and can also solve the problem of pressing buttons at the same time. Conflict technical issues, to achieve at least 26 or more keys without conflict, to enhance the user's fun and practicality.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic structural view of the PCB lamp panel of the present invention;

Fig. 3 is a schematic structural view of the light guiding column of the present invention;

Fig. 4 is the structural representation of the middle cover of the present utility model;

Fig. 5 is the structural representation of the conductive film of the present utility model;

Fig. 6 is the structural representation of the base plate of the present utility model;

Fig. 7 is a structural schematic diagram of the bottom shell of the present utility model;

Fig. 8 is a schematic cross-sectional view of the utility model;

Fig. 9 is a schematic structural view of the shaft core of the present invention;

FIG. 10 is a schematic structural diagram of the silicone keypad of the present invention.

detailed description

All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

As shown in Figure 1-Figure 10, an optomechanical custom backlight film keyboard of the present invention includes a keycap 1, a shaft core 2, a middle cover 3, a PCB light board 7, a PCB 8, a bottom plate 10 and a bottom shell 11, The middle cover 3 is provided with button areas, each button area is provided with a button hole, one side of the button hole is provided with a light guide hole, the PCB lamp board 7 is located at the lower end of the button hole, and the PCB lamp The board 7 is provided with a light source 6, and each light source 6 is facing the button hole at the upper end;

The upper end surface of each light source 6 is provided with a light guide column 4, and the light guide column 4 is fixedly arranged on a light guide plate, and a through hole is arranged on the light guide plate opposite to each button hole, and the light guide column 4 is located on the On one side of the through hole, each light guide column 4 passes through the light guide hole to the lower end surface of the keycap 1 .

As shown in Figure 9 and Figure 10, an independent shaft core 2 is installed on the lower end of the keycap 1, the shaft core 2 passes through the key hole, and the lower end surface of each shaft core 2 is provided with a silicon rubber key 5, said The lower end of the silicone button 5 is provided with a conductive film 9, the PCB light board 7 is provided with a PCB chip; the upper end of the conductive film 9 is provided with a connector 12, and the conductive film 9 is connected to the PCB light board 7 through the connector 12. PCB chips.

Wherein, the bottom plate 10 is arranged on the upper end of the bottom shell 11 , and the bottom plate 10 seals the bottom of the middle cover 3 .

Working principle: When the keycap is clicked, the silicone rubber is triggered through the shaft core at the lower end of the keycap, and then the signal is transmitted to the PCB chip through the conductive film, and the instruction is transmitted to the light source on the PCB light board through the PCB chip. The light is guided to the font of the button, so as to realize the font lighting. Among them, the PCB chip on the PCB light board can be entered into the program control.

The lighting around the keyboard is realized by the LED patch lights on the PCB board, and the lighting mode can be changed or turned off by pressing the keyboard keys.

The beneficial effects of the utility model are: the utility model can not only make the lighting effects consistent, but also achieve diversified lighting effects and transformation modes, and can also realize custom button light-emitting areas, and can also solve the problem of pressing buttons at the same time. Conflict technical issues, to achieve at least 26 or more keys without conflict, to enhance the user's fun and practicality.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that is not thought of through creative work should be covered within the scope of protection of the utility model . Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (3)

1. the self-defined backlight membrane keyboard of opto-mechanical; it is characterized in that: include keycap, shaft core, middle cover, PCB lamp board, PCB, base plate and drain pan; cover in described and be provided with key area; it is provided with key hole in each key area; the side of this key hole is provided with through hole; described PCB lamp board is positioned at the lower end of key hole, and described PCB lamp board is provided with light source;

Light-guiding pillar is positioned at the upper surface of each light source, described light-guiding pillar is fixedly installed on light guide plate, just each key hole position being respectively provided with a through hole on described light guide plate, light-guiding pillar is positioned at the side of this through hole, and each light-guiding pillar both passes through the light-conductive hole lower surface to keycap.

2. the self-defined backlight membrane keyboard of opto-mechanical according to claim 1, it is characterized in that: the lower end of described keycap is mounted on an independent shaft core, the lower surface of each shaft core is provided with silica gel button, the lower end of described silica gel button is provided with conducting film, and described PCB lamp board is provided with PCB core sheet.

3. the self-defined backlight membrane keyboard of opto-mechanical according to claim 2, it is characterised in that: described conducting film upper end is provided with a connector, and described conducting film is by the chip on adapter connecting PCB board.