CN219872248U - Light and thin notebook keyboard - Google Patents

Abstract

The utility model discloses a light and thin notebook keyboard, which comprises a bottom plate, a light shielding plate, a light guide plate, a reflecting sheet, scissors feet, keys and a plurality of rubber domes, wherein the light shielding plate is arranged on the lower end face of the bottom plate in an adhering mode, the light guide plate is arranged on the lower end face of the light shielding plate in an adhering mode, the reflecting sheet is arranged on the lower end face of the light guide plate in an adhering mode, the lower end faces of the reflecting sheet are provided with FPC in an adhering mode, the lower ends of the scissors feet are arranged on the bottom plate, keys of the keys are respectively arranged at the upper ends of the scissors feet, the lower ends of the rubber domes are arranged on the upper end face of the bottom plate in an adhering mode, the rubber domes correspond to the keys of the keys, light guide holes which correspond to the keys of the keys one by one are arranged on the light shielding plate, a printed circuit is arranged on the bottom plate, and carbon particles which can be conducted with the printed circuit are arranged on the rubber domes. The advantages are that: by arranging the printed circuit on the bottom plate, the function of the film is replaced, the thickness of the notebook keyboard is reduced, and the cost is saved.

Description

Light and thin notebook keyboard

Technical Field

The utility model relates to the field of notebook keyboards, in particular to a light and thin notebook keyboard.

Background

A keyboard is a device for inputting instructions and data for operating a computer device, and also refers to a set of function keys arranged through the system to operate a machine or device. The keyboard is also part of a keyboard musical instrument, which may also refer to a musical instrument that uses a keyboard, such as a piano, digital piano, or electronic organ, to facilitate typing practice.

The keyboard is the most commonly used and main input device, and english letters, chinese characters, numerals, punctuation marks and the like can be input into a computer through the keyboard, so that commands, input data and the like can be sent to the computer. There are also keyboards with various shortcuts. Over time, independent products with various shortcut functions are sold separately in the market, and special driving and setting software is provided, so that personalized operation can be realized on a compatible machine.

The traditional notebook keyboard includes key, balancing pole, scissors foot, upper conductive film, middle level conductive film, lower floor conductive film, bottom plate, light screen, light guide plate and reflector plate to set up the thickness of multilayer conductive film can lead to notebook keyboard to be difficult to control because conductive film price is not very good. For example, chinese patent with publication number CN202150389U discloses a keyboard scissors foot button structure, including aluminum plate, scissors foot and key cap, be provided with the film circuit board on the aluminum plate, be provided with the elasticity button on the film circuit board, the elasticity button sets up in the middle hollow department of scissors foot, the key cap links to each other with the scissors foot, still including the plastic board, the locating hole with scissors foot cooperation use has been seted up to the plastic board, the locating hole periphery is provided with the mount pad with scissors foot cooperation installation, the plastic board sets up on the film circuit board.

The keyboard scissors foot button structure carries out electric signal transmission through the film circuit board in design, and because the film circuit board has certain thickness to the film circuit board is expensive, adopts this kind of setting mode to increase the thickness of notebook and improved manufacturing cost.

In view of this, it is necessary to provide a light and thin notebook keyboard.

Disclosure of Invention

The light and thin notebook keyboard provided by the utility model effectively solves the problems of complex structure and high cost of the existing notebook keyboard.

The technical scheme adopted by the utility model is as follows:

the utility model provides a frivolous notebook keyboard, includes bottom plate, light screen, light guide plate, reflector plate, a plurality of scissors foot, key and a plurality of rubber dome, the light screen bonds and sets up terminal surface under the bottom plate, the light guide plate bonds and sets up terminal surface under the light screen, the reflector plate bonds and sets up terminal surface under the light guide plate, the terminal surface bonds under the reflector plate and is provided with FPC, a plurality of scissors foot lower extreme sets up on the bottom plate, each button of key sets up respectively in the upper end of scissors foot, a plurality of rubber dome lower extreme bonds and sets up at the bottom plate up end, and a plurality of rubber dome with each button correspondence of key, be provided with the light guide hole with the button one-to-one of key on the light screen, be provided with printed circuit on the bottom plate, be provided with the carbon grain that can switch on with printed circuit on the rubber dome.

Further is: the rubber dome is provided with a circular groove, and the carbon particles are arranged on the circular groove.

Further is: the balance rod is arranged on the bottom plate and is connected with the word key.

Further is: the reflecting sheet is the same as the light guide plate structure, and both sides of the reflecting sheet are provided with a number one semicircular groove.

Further is: the bottom plate is provided with a plurality of clamping grooves for clamping the lower ends of the scissor legs.

The utility model has the beneficial effects that: by arranging the printed circuit on the bottom plate, the function of the film is replaced, the thickness of the notebook keyboard is reduced, and the cost is saved.

Drawings

Fig. 1 is an overall exploded view of a lightweight and thin notebook keyboard according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of one of the rubber domes and scissor legs of the lightweight and thin notebook keyboard according to an embodiment of the present utility model.

Marked in the figure as: 1. a bottom plate; 2. a light shielding plate; 3. a light guide plate; 4. a reflection sheet; 5. a key; 6. a rubber dome; 7. an FPC; 8. a balance bar; 21. a light guide hole; 41. a first semicircular groove; 11. a clamping groove; 9. a scissor leg; 001. a clearance hole; 002. a circular groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 1 and fig. 2, the light and thin notebook keyboard provided by the embodiment of the utility model comprises a bottom plate 1, a light shielding plate 2, a light guiding plate 3, a reflecting sheet 4, a plurality of scissors pins 9, a word key 5 and a plurality of rubber domes 6, wherein the light shielding plate 2 is adhered and arranged on the lower end surface of the bottom plate 1, the light guiding plate 3 is adhered and arranged on the lower end surface of the light shielding plate 2, the reflecting sheet 4 is adhered and arranged on the lower end surface of the light guiding plate 3, the lower end surface of the reflecting sheet 4 is adhered and arranged with an FPC7, the lower ends of the scissors pins 9 are arranged on the bottom plate 1, each key of the word key 5 is respectively arranged on the upper ends of the scissors pins 9, the lower ends of the rubber domes 6 are adhered and arranged on the upper end surface of the bottom plate 1, the rubber domes 6 correspond to each key of the word key 5, the light guiding holes 21 which correspond to the keys of the word key 5 one by one are arranged on the bottom plate 1, and the rubber domes 6 are provided with carbon particles which can be conducted with the printed circuits.

Note that, as shown in fig. 2, the scissor foot 9 is provided with a clearance hole 001 for taking away the rubber dome 6 and the carbon particles.

In actual use, the electric signal of keyboard knocking is transmitted to the control system of the notebook computer through the printed circuit, the light guide plate 3 is controlled to emit light through the FPC7, the light shielding plate 2 shields redundant light shadows, and the light shadows are projected out through the key caps of the keys of the word key 5 after passing through the light guide holes 21 under the emission effect of the reflecting sheet 4. After the corresponding key of the key 5 is pressed and the scissor legs 9 are pressed, the rubber dome 6 deforms and contracts after the key presses the carbon particles, so that the carbon particles and the printed circuit form a loop to transmit signals to a control center of the notebook.

In the above design, by arranging the printed circuit on the bottom plate 1, the function of film is replaced, the thickness of the notebook keyboard is reduced, and the cost is saved.

Specifically: the rubber dome 6 is provided with a circular groove 002, and the carbon particles are arranged on the circular groove 002.

In the above-mentioned design, through setting up circular slot installation bullet grain, can make the bullet grain more stable with the connection of rubber dome 6, the in-process bullet grain that presses at the button can not drop.

Specifically: the balance bar 8 is arranged on the bottom plate 1, and the balance bar 8 is connected with the word key 5. The balance bar 8 in fig. 1 only shows a part, mainly showing the connection with the key longer, such as space and enter key.

In the above design, the structural design of the balance bar 8 can effectively prevent the key position of the key 5 from losing balance during knocking.

Specifically: the reflecting sheet 4 has the same structure as the light guide plate 3, and a number one semicircular groove 41 is formed on both sides of the reflecting sheet 4.

In the above design, the positioning of the reflecting sheet 4 and the light guide plate 3 is realized by positioning the first semicircular groove 41, so that the accuracy of assembly is ensured.

Specifically: the bottom plate 1 is provided with a plurality of clamping grooves 11 which are used for being clamped with the lower ends of the scissor legs 9.

In actual assembly, the lower ends of the scissor legs are clamped with the clamping grooves 11 to fix the scissor legs and the bottom plate 1.

In the above design, the structure design of the clamping groove 11 is beneficial to the installation of the scissor legs 9.

It should be understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a frivolous notebook keyboard, includes bottom plate (1), light screen (2), light guide plate (3), reflector plate (4), a plurality of scissors foot (9), key (5) and a plurality of rubber dome (6), its characterized in that: the light guide plate is characterized in that the light guide plate (2) is adhered to the lower end face of the bottom plate (1), the light guide plate (3) is adhered to the lower end face of the light guide plate (2), the reflecting sheet (4) is adhered to the lower end face of the light guide plate (3), the lower end face of the reflecting sheet (4) is adhered to the FPC (7), the plurality of scissors feet (9) are arranged on the bottom plate (1), each key of the key (5) is respectively arranged at the upper end of the scissors feet (9), the plurality of rubber domes (6) are adhered to the upper end face of the bottom plate (1), the plurality of rubber domes correspond to each key of the key (5), the light guide holes (21) which are in one-to-one correspondence with the keys of the key (5) are arranged on the light guide plate (2), a printed circuit is arranged on the bottom plate (1), and carbon particles which can be conducted with the printed circuit are arranged on the rubber domes (6).

2. The lightweight and thin notebook keyboard of claim 1, wherein: the rubber dome (6) is provided with a circular groove (002), and the carbon particles are arranged on the circular groove (002).

3. The lightweight and thin notebook keyboard of claim 1, wherein: the balance bar (8) is arranged on the bottom plate (1), and the balance bar (8) is connected with the key (5).

4. The lightweight and thin notebook keyboard of claim 1, wherein: the reflecting sheet (4) and the light guide plate (3) are identical in structure, and a number of semicircular grooves (41) are formed in two sides of the reflecting sheet (4).

5. The lightweight and thin notebook keyboard of claim 1, wherein: the bottom plate (1) is provided with a plurality of clamping grooves (11) for clamping the lower ends of the scissor legs.