CN2606394Y

CN2606394Y - Keyboard structure

Info

Publication number: CN2606394Y
Application number: CN 03201440
Authority: CN
Inventors: 严绮玉
Original assignee: Lite On Technology Corp
Current assignee: Lite On Technology Corp
Priority date: 2003-01-29
Filing date: 2003-01-29
Publication date: 2004-03-10
Anticipated expiration: 2013-01-29

Abstract

The utility model relates to a keyboard structure. The printed circuit unit of the utility model is arranged at the top surface of a first cover plate to reduce the number of components to be assembled, and a second cover plate with a keycap is covered on the first cover plate. Conductive components are arranged on the bottom surface of an elastic touching component which is positioned between the keycap and the printed circuit unit. A pressing of the keycap encapsulates the elastic touching component to make the conductive components communicate with the printed circuit unit; thereby reducing the number of components required and simplifying the assembling process. Therefore the cost is saved and the industrial competitiveness is enhanced.

Description

Keyboard structure

Technical field

The utility model relates to a kind of keyboard structure, refers to the printed wire unit is laid in the keyboard of housing especially, thereby reduces parts and manufacturing procedure.

Prior art

See also Fig. 1, Fig. 1 is the keyboard of prior art, is to have loam cake 10a, film circuit board 20a, lower cover 30a.Printed circuit board (PCB) (PCB) 40a, keycap 50a and elasticity touch part 60a, this keycap 50a is the perforation 11a that is slidedly arranged on this loam cake 10a, be to be provided with the light emitting diode utmost point (LED) 70a and integrated circuit package 80a on this printed circuit board (PCB) (PCB) 40a, this printed circuit board (PCB) (PCB) 40a is electrically connected on this film circuit board 20a, and make this printed circuit board (PCB) (PCB) 40a and this film circuit board 20a be mounted on the upper surface of this lower cover 30a, the lower surface of this elasticity touch part 60a is to be provided with guiding element 61a, and this loam cake 10a is covered on this lower cover 30a, and this elasticity touch part 60a is arranged between this keycap 50a and film circuit board 20a, so by pressing button cap 50a so that be pressed on this film circuit board 20a below this elasticity touch part 60a distortion, so that can make two electric connecting terminals of this film circuit board of guiding element conducting 20a conducting wire of this elasticity touch part 60a, whereby with input signal.

The keyboard of above-mentioned prior art still has following point:

1. be to be provided with multiple parts in the keyboard of prior art, therefore increase the design of assembling anchor point, and increase the volume of keyboard.

2. be provided with printed circuit board (PCB) (PCB) in the keyboard of prior art and have the film circuit board of conducting wire layer, therefore increase the manufacturing procedure of multiple tracks, and need further it is electrically connected mutually, it not only increases material cost and increases, and elongates the processing procedure time.

3. be that multiple assembly is assembled together in the keyboard of prior art, therefore increase assembly expenses, and increase built-up time, so increase production cost.

So the inventor is according to above-mentioned defective and according to being engaged in the correlation experience that manufactures a product for many years, propose a kind of reasonable in design and effectively improve the keyboard structure-improved of above-mentioned disappearance.

The utility model content

One purpose of the present utility model provides a kind of keyboard structure, so as to reducing cost, increases product competitiveness.

Its two purpose of the present utility model provides a kind of keyboard structure, so as to reducing parts, to reduce the assembling processing procedure and the time of part, therefore reduces the keyboard processing procedure time.

Its three purpose of the present utility model provides a kind of keyboard structure, makes its modularization, thereby increases the convenience of keyboard assembling.

Its four purpose of the present utility model provides a kind of keyboard structure, makes it reduce the manufacturing procedure that part connects by the design of integral body, therefore cuts down finished cost.

Its five purpose of the present utility model provides a kind of keyboard structure, makes it reduce its volume, and more can reach short and small frivolous requirement.

According to aforementioned creation purpose, the utility model is to be a kind of keyboard structure, it comprises second cover plate, first cover plate, the printed wire unit, elasticity touch part and conductive component, wherein this printed wire unit includes electrically conducting contact, this printed wire unit is the upper surface that is laid in this first cover plate, this second cover plate has individual keycap, and this second cover plate is to be covered on this first cover plate, this elasticity touch part is to be arranged at accordingly between this second cover plate and this first cover plate, this elasticity touch part is the electrically conducting contact corresponding to this keycap and this printed wire unit, this conductive component is the lower surface that is arranged at this elasticity touch part respectively, and to electrically conducting contact that should the printed wire unit.

In order to make your auditor can further understand feature of the present utility model and technology contents, see also following relevant detailed description of the present utility model and accompanying drawing, yet appended icon only provides reference and explanation usefulness, is not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the part three-dimensional exploded view of the keyboard of prior art;

Fig. 2 is the part three-dimensional exploded view of keyboard structure of the present utility model;

Fig. 3 is the part cut-open view of keyboard structure of the present utility model;

Fig. 4 is the part perspective exploded view of printed wire of the present utility model unit.

Wherein, description of reference numerals is as follows:

The 10a-loam cake, the 20a-film circuit board, the 30a-lower cover, the 40a-printed circuit board (PCB), the 50a-keycap,

60a-elasticity touch part, 61a-guiding element, 70a-light emitting diode, 80a integrated circuit package;

10-first cover plate, 20-second cover plate, the 21-perforation, the 22-through hole, the 30-keycap,

40-elasticity is touched the body group, 41-elasticity touch part, and the 50-conductive component, 60-printed wire unit,

The 61-electrically conducting contact, 62-conducting wire layer, the 63-insulation course, 64-wire jumper conductive layer, the 65-lead,

66-wire jumper connecting portion, 70-light emitting diode (LED), the 80-integrated circuit package, the 90-light guide plate,

100-first block holding part, 110-second block holding part, 120-hot melt protuberance.

Embodiment

See also Fig. 2 and shown in Figure 3, the utility model is to be a kind of keyboard structure, comprise first cover plate 10, second cover plate 20, keycap 30, elasticity is touched body group 40, conductive component 50 and printed wire unit 60, wherein this printed wire unit 60 is to be laid on this first cover plate 10, this keycap 30 is to be assembled on this second cover plate 20, and this second cover plate 20 is covered on this first cover plate 10, and make this elasticity touch body group 40 to be arranged at 20 of this first cover plate 10 and this second cover plates, this elasticity is touched body group 40 and is provided with in elasticity touch part 41, and the elasticity touch part 41 that this elasticity is touched body group 40 is to electrically conducting contact 61 that should printed wire unit 60, and this conductive component 50 is the lower surfaces that are arranged at this elasticity touch part 41, by pressing button cap 30 with elasticity of compression touch part 41, and make conductive component 50 contact adjacent conductive contact sites 61 on this elasticity touch part 41, by conducting electrically conducting contact 61 with input signal.

See also Fig. 3 and shown in Figure 4, this printed wire unit 60 includes conducting wire layer 62, insulation course 63 and wire jumper conductive layer 64, and it is the upper surface that is laid in this first cover plate 10, the lead 65 of this conducting wire layer 62 is to can be elargol, and be the upper surface that is laid in this first cover plate 10 in the mode of coating, this insulation course 63 be with the coating mode cover on this conducting wire layer 62 and near, and this conducting wire layer 62 has lead 65, electrically conducting contact 61 and wire jumper connecting portion 66, and it is to expose to this insulation course 63 for this electrically conducting contact 61 and this wire jumper connecting portion 66, this wire jumper conductive layer 64 is to be coated at least two wire jumper connecting portions 66 to reach therebetween, makes two leads that are not electrically connected, 65 mutual conduction by this wire jumper conductive layer 64.

See also shown in Figure 3, this second cover plate 20 is to be provided with perforation 21, and this second cover plate 20 is corresponding with this first cover plate 10, and be covered on first cover plate 10, and keycap 30 is the perforation 21 that are slidedly arranged on this second cover plate 20, and fasten on this second cover plate 20, make these keycap 30 unlikely skidding off bore a hole 21, and this keycap 30 is the electrically conducting contacts 61 corresponding to this conducting wire layer 62.This elasticity touch part 41 is to be arranged at 60 of this keycap 30 and this printed wire unit accordingly, and corresponding to the electrically conducting contact 61 of this conducting wire layer 62.

In addition, see also shown in Figure 2, these first cover plate, 10 upper surfaces are to be stained with light emitting diode (LED) 70, integrated circuit package 80 and connector (figure does not show), and this light emitting diode (LED) 70, integrated circuit package 80 and connector are that the conducting wire layer 62 with this printed wire unit 60 electrically connects, it is to utilize surface adhering (SMD) mode to be welded in this lead 65, or it is electrically connected at this lead 65 in the mode of routing (wire bound), and be provided with light guide plate 90 in the lower surface of this second cover plate 20, this light guide plate 90 is to extend in the set through hole 22 of this second cover plate 20, and this light guide plate 90 is corresponding to this light emitting diode (LED) 70, so that can pass through hole 22 with the light that guides this light emitting diode (LED) 70, so that can be shown in this second cover plate, 20 upper surfaces by this light guide plate 90; This integrated circuit package 80 is the signal control module of this keyboard, mutual conduction by this adjacent conductive contact site 61, shinny with the signal output of controlling this integrated circuit package 80 and this light emitting diode (LED) 70, therefore by the keycap 30 of pressing by second cover plate 20, to compress this elasticity touch part 41, so that can make the adjacent conductive contact site 61 of this conducting wire layer 62 of conductive component 50 conductings on this elasticity touch part 41, therefore make these integrated circuit package 80 output signals or make this light emitting diode (LED) 70 shinny.

See also shown in Figure 3, this second cover plate 20 relatively about two sides be to be respectively arranged with first block holding part 100, this first cover plate 10 is to establish corresponding second block holding part 110, second to fasten 110 ones be to match with this first block holding part 100 for this, and this first fastens 100 ones for guide groove, this second fastens 110 ones for projection, the projection of this first cover plate 10 is to be slidedly arranged in the guide groove of this second cover plate 20, and this second cover plate 20 is to fasten mutually with this first cover plate 10, and below the upper surface of this second cover plate 20 times or this first cover plate 10 or second cover plate 20, be to convex with hot melt protuberance 120 (as shown in Figure 2), this hot melt protuberance 120 is that this second cover plate 20 and this first cover plate 10 are adhesively fixed together.

In sum, by " keyboard structure " of the present utility model is to have the advantage of saving part, therefore reduces material cost, and reduces the assembly operation between part, make the manufacturing time of each keyboard therefore reduce, and make Keysheet moduleization, therefore be beneficial to the assembling and the design of keyboard, and the connection manufacturing procedure between the part that makes reduces, to save the processing procedure cost, and reduce its volume, to reach short and small frivolous requirement, so so that can increase product competitiveness.

The above only is a preferable possible embodiments of the present utility model, non-so inflexible limit claim of the present utility model, so the equivalent structure that uses instructions of the present utility model and icon content to do such as changes, and all in like manner all is contained in the scope of the present utility model.

Claims

1. a keyboard structure is characterized in that, includes:

First cover plate;

The printed wire unit includes electrically conducting contact, and this printed wire unit is laid in the upper surface of this first cover plate;

Second cover plate has keycap on it, and this second cover plate is covered on this first cover plate;

The elasticity touch part is arranged between this second cover plate and this first cover plate accordingly, and this elasticity touch part is the electrically conducting contact corresponding to this keycap and this printed wire unit; And

Conductive component is arranged at the lower surface of this elasticity touch part respectively, and to electrically conducting contact that should the printed wire unit.

2. keyboard structure as claimed in claim 1, it is characterized in that, described printed wire unit is to include conducting wire layer, insulation course and wire jumper conductive layer, this insulation course is to cover on this conducting wire layer and near first cover plate this conducting wire layer, and the electrically conducting contact of this conducting wire layer and wire jumper connecting portion expose to this insulation course, this wire jumper conductive layer is coated on this insulation course and the wire jumper connecting portion, makes interconnective wire jumper connecting portion mutual conduction by this wire jumper conductive layer.

3. keyboard structure as claimed in claim 1 is characterized in that, the described first cover plate upper surface is to be stained with luminescence component, and this luminescence component and the electric connection of this printed wire unit.

4. keyboard structure as claimed in claim 3 is characterized in that, described luminescence component welds in the surface adhering mode mutually with the printed wire unit.

5. keyboard structure as claimed in claim 3 is characterized in that, described luminescence component is a light emitting diode.

6. keyboard structure as claimed in claim 1 is characterized in that, wherein also comprises light guide plate, and it is the lower surface that is arranged at this second cover plate, and extends in the perforation of this second cover plate.

7. keyboard structure as claimed in claim 1 is characterized in that, the described first cover plate upper surface is to be provided with integrated circuit package, and this integrated circuit package is to electrically connect with this printed wire unit.

8. keyboard structure as claimed in claim 7 is characterized in that, described integrated circuit package welds in the surface adhering mode mutually with the printed wire unit.

9. keyboard structure as claimed in claim 7 is characterized in that, also comprises routing, and it is electrically connected at this integrated circuit package and this printed wire unit.

10. keyboard structure as claimed in claim 1 is characterized in that, wherein also includes connector, and this connector is electrically connected on this printed wire unit, and this second cover plate is provided with through hole, and the insertion end of this connector is to should through hole.

11. keyboard structure as claimed in claim 10 is characterized in that, described connector is welded in the printed wire unit in the surface adhering mode.

12. keyboard structure as claimed in claim 10 is characterized in that, wherein also comprises routing, it is electrically connected at this connector and this printed wire unit.

13. keyboard structure as claimed in claim 1 is characterized in that, relative two sides of described second cover plate are respectively arranged with first block holding part, and this first cover plate is provided with second block holding part, and second block holding part is to match with first block holding part.

14. keyboard structure as claimed in claim 13 is characterized in that, described first block holding part is a guide groove, and this second block holding part is a projection, and the projection of this first cover plate is slidedly arranged in the guide groove of this second cover plate, and this second cover plate and this first cover plate cover mutually.

15. keyboard structure as claimed in claim 13 is characterized in that, described second cover plate bonds together by the hot melt protuberance down or on first cover plate.