CN207264959U - Backlight keyboard - Google Patents
Backlight keyboard Download PDFInfo
- Publication number
- CN207264959U CN207264959U CN201721319307.3U CN201721319307U CN207264959U CN 207264959 U CN207264959 U CN 207264959U CN 201721319307 U CN201721319307 U CN 201721319307U CN 207264959 U CN207264959 U CN 207264959U
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- CN
- China
- Prior art keywords
- circuit board
- button
- keycap
- button base
- perforation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
A kind of backlight keyboard, includes light source circuit board, multiple luminescence components, button base, button circuit board, and multiple pressing units.Wherein, the luminescence component is arranged at the top surface of the light source circuit board, the button base is stacked above the light source circuit board, the button circuit board is stacked above the button base and including multiple key circuits, the pressing unit corresponds to the key circuit and is arranged above the button circuit board respectively, and each unit that presses can turn on respective key circuit when being pressed.The button base of this case not only serves as the pressing unit and is pivoted the structure of assembling, and the light penetration that the luminescence component can also be allowed to be sent, and to produce backlight effect, while structure level number can be also efficiently reduced, to simplify assembling procedure and reduce thickness.
Description
Technical field
A kind of keyboard is the utility model is related to, more particularly to a kind of backlight keyboard.
Background technology
In order to could be used that keyboard in the environment of luminance shortage, the group that shines can be generally added in the component of keyboard
Part, an existing keyboard as disclosed in TaiWan, China utility model patent the M432082nd, includes a light guiding film
Piece, one be stacked above the light leading diaphragm and can printing opacity button base, one be stacked in the button base
Seat top circuit board, multiple luminescence components that is arranged on the circuit board bottom surface and can shine, one be stacked described
The gasket of circuit board, and multiple pressing units above the button base.Each pressing unit includes one
Keycap above the gasket, one be connected to the button base and described through the gasket and the circuit board
Adapter between keycap, and one be arranged on the gasket top surface and through the adapter and connect elastic group of the keycap
Part.Wherein, the one of part of light that the luminescence component is sent passes through the button base, the circuit board and institute upward
Gasket is stated, another partly passes down through light leading diaphragm reflection, is finally all appeared by the surface of the keycap, and then can be
The existing keyboard is recognized and used in dark environment.
However, the existing keyboard be by the light leading diaphragm, the button base, the circuit board, it is described shine
Component, the gasket and the pressing unit composition so that each layer assembly must be aligned and tied by up to six layers of structure, when assembling
Close, cause assembling difficult, simultaneously as the number of plies is more, it is difficult to cause the thickness of the keyboard thickening with avoiding.So in electronics
Product is constantly pursued under more frivolous manufacturing objective, and there is room for improvement for the keyboard.
The content of the invention
The purpose of this utility model is to provide one kind can effectively reduce keyboard thickness, while also possess the back of the body of backlight function
Light keyboard.
The utility model backlight keyboard, comprising light source circuit board, multiple luminescence components, button base, button circuit board, and
Multiple pressing units.
The luminescence component is arranged at the top surface of the light source circuit board, and the button base is stacked in the light source
Circuit board, the button circuit board is stacked above the button base and including multiple key circuits, described to press
Pressure unit corresponds to the key circuit and is arranged above the button circuit board respectively, each pressing unit is when being pressed
Respective key circuit can be turned on.
It is preferred that the button base includes multiple first mounting portions, and multiple second mounting portions.
It is preferred that the button circuit board further includes multiple the first perforation above first mounting portion respectively,
And multiple the second perforation above second mounting portion respectively.
It is preferred that each pressing unit include keycap, through it is respective it is described first perforation and respective described second
Perforate and be articulated in the adapter of the button base and the keycap, and be arranged at the keycap and the respective key wire
Elastic parts between road.
It is preferred that each adapter has the first combination section and the second combination section being mutually pivoted, each first combination section
The one of which of the respective keycap and respective first mounting portion is articulated in through respective first perforation,
Each second combination section is articulated in the respective keycap and respective second peace through respective second perforation
The wherein another one in dress portion.
It is preferred that each elastic parts, which has, is arranged at the key circuit plate top surface and the corresponding respective key wire
The resilient portion on road, and the connection resilient portion and the conducting portion of the respective keycap.The conducting portion can be by the resilient portion
And the keycap is pushed against and converted relative to the button circuit board between a conduction position and a non-conduction position.Work as institute
Conducting portion is stated in the conduction position, the conducting portion is pressed against the respective key circuit so that the key circuit is led
It is logical.When the conducting portion is in the non-conduction position, the conducting portion make away from the respective key circuit it is described by
Key circuit is not turned on.
It is preferred that the button base has translucency.
It is preferred that the button circuit board has translucency.
The beneficial effects of the utility model are：The button base not only serves as the pressing unit and is pivoted assembling
Structure so that the structure level number of keyboard entirety is reduced to five layers, effectively simplifies assembling procedure and reduces thickness, and can also allow
The light penetration that the luminescence component is sent, to produce backlight effect.
Brief description of the drawings
The other features and effect of the utility model, will clearly be presented in the embodiment with reference to schema, wherein：
Fig. 1 is a perspective exploded view of one embodiment of the utility model backlight keyboard；
Fig. 2 is a schematic cross-sectional view, illustrates a conducting portion of the embodiment a non-conduction position；
Fig. 3 is a schematic cross-sectional view for being similar to Fig. 2, illustrates that the conducting portion of the embodiment turns on position at one
Put.
Embodiment
Before the utility model is described in detail, it shall be noted that in the following description content, similar component be with
It is identically numbered to represent.
Refering to Fig. 1,2,3, one embodiment of the utility model backlight keyboard, includes light source circuit board 2, a Duo Gefa
The button circuit board 5 of button base 4, one of optical assembly 3, one, and multiple pressing units 6.
The luminescence component 3 is arranged at the top surface of the light source circuit board 2, and is carried out by the light source circuit board 2
It is electrically connected, to produce light.In addition, the luminescence component 3 can be light emitting diode, but not limited to this.
The button base 4 is stacked above the light source circuit board 2, and the button base 4 has translucency.
The button base 4 includes multiple first mounting portions 41, and multiple second mounting portions 42.
The button circuit board 5 is stacked above the button base 4, and the button circuit board 5 has printing opacity
Property, the button circuit board 5 includes multiple key circuits 51, multiple first wearing respectively positioned at the top of first mounting portion 41
Hole 52, and it is multiple respectively positioned at the second perforation 53 of the top of the second mounting portion 42.
The pressing unit 6 corresponds to the key circuit 51 and is arranged at the top of button circuit board 5 respectively.Each
Pressing unit 6 can turn on the respective key circuit 51 when being pressed, and pass through including a keycap 61, one respective
First perforation 52 and respective second perforation 53 and the switching being articulated between the button base 4 and the keycap 61
Seat 62, and an elastic parts 63 being arranged between the keycap 61 and the respective pressing circuit 51.
Each adapter 62 has first combination section 621 and second combination section 622 being mutually pivoted.It is each
A first combination section 621 is articulated in the respective keycap 61 and respective described the through respective first perforation 52
One of them of one mounting portion 41.Each second combination section 622 is articulated in each through respective second perforation 53
The keycap 61 and respective second mounting portion 42 other in which.In this present embodiment, each first combination
Portion 621 is articulated in the respective keycap 61 through respective first perforation 52 and can be movably attached respective described the
One mounting portion 41.Each second combination section 622 is articulated in respective second peace through respective second perforation 53
Dress portion 42 and the respective keycap 61 can be movably attached.
There is each elastic parts 63 one to be arranged at 5 top surface of button circuit board and the corresponding respective button
The resilient portion 631 of circuit 51, and a connection resilient portion 631 and the conducting portion 632 of the respective keycap 61.Yu Benshi
Apply in example, the resilient portion 631 is in a circular cone cover shape, and the conducting portion 632 in a cylinder and is connected and through institute
State the top of resilient portion 631.
Each conducting portion 632 can be pushed against by the respective resilient portion 631 and the respective keycap 61 and relative to
The button circuit board 5 converts between a conduction position and a non-conduction position.In this present embodiment, each key wire
Road 51 formed between the upper and lower every open circuit, when the conducting portion 632 is at the conduction position (see Fig. 3), the conducting portion 632 is pressed
The respective key circuit 51 is butted on so that the key circuit 51 connects breaking place and turns on.When the conducting portion 632 exists
During described non-conduction position (see Fig. 2), the conducting portion 632 makes the key circuit away from the respective key circuit 51
51 are not turned on.
In addition, by light caused by the luminescence component 3, through the button base 4 and the button circuit board
5, finally appeared by the surface of the keycap 61 so that the utility model backlight keyboard also can in the case of ambient light deficiency
Use.
It is noted that the utility model backlight keyboard, only by the light source circuit board 2, luminescence component 3, described
Button base 4, the button circuit board 5 and the pressing unit 6 five layer assembly stacking assemble, compared to prior art institute
The disclosed six layer structure number of plies, the utility model can effectively simplify assembling procedure, and reduce thickness, and can also allow the hair
The light penetration that optical assembly 3 is sent is in wherein, to produce backlight effect.
It is pivoted group in conclusion the button base of the utility model backlight keyboard not only serves as the pressing unit
The structure of dress so that the structure level number of keyboard entirety is reduced to five layers, effectively simplifies assembling procedure and reduces thickness, and also
The light penetration that the luminescence component can be allowed to be sent, to produce backlight effect, so the mesh of the utility model can be reached really
's.
As described above, be only the utility model embodiment, when cannot be limited with this utility model implementation
Scope, i.e., all simple equivalent changes and modificationss made according to the utility model claims book and description, all still belongs to
The scope of the utility model.
Claims (8)
1. a kind of backlight keyboard, includes light source circuit board, multiple luminescence components, button base, button circuit board, and multiple pressings
Unit；It is characterized in that：
The luminescence component is disposed on the top surface of the light source circuit board；
The button base is stacked above the light source circuit board；
The button circuit board is stacked above the button base and including multiple key circuits；
The pressing unit is to correspond to the key circuit respectively and be arranged above the button circuit board, each presses unit
Respective key circuit can be turned on when being pressed.
2. backlight keyboard according to claim 1, it is characterised in that：The button base includes multiple first mounting portions,
And multiple second mounting portions.
3. backlight keyboard according to claim 2, it is characterised in that：The button circuit board further includes multiple to be located at respectively
The first perforation above first mounting portion, and multiple the second perforation above second mounting portion respectively.
4. backlight keyboard according to claim 3, it is characterised in that：Each pressing unit includes keycap, through respective
First perforation and respective second perforation and it is articulated in the adapter of the button base and the keycap, and sets
Elastic parts between the keycap and the respective key circuit.
5. backlight keyboard according to claim 4, it is characterised in that：Each adapter has the first combination being mutually pivoted
Portion and the second combination section, each first combination section are articulated in the respective keycap and each through respective first perforation
From first mounting portion one of which, each second combination section through it is respective it is described second perforation and be articulated in each
The keycap and respective second mounting portion wherein another one.
6. backlight keyboard according to claim 4, it is characterised in that：Each elastic parts, which has, is arranged at the button electricity
The resilient portion of road plate top surface and the corresponding respective key circuit, and the connection resilient portion and the respective keycap are led
Logical portion, the conducting portion can be turned on position relative to the button circuit board by the resilient portion and keycap pushing and pressing at one
Put and a non-conduction position between convert, when the conducting portion is in the conduction position, the conducting portion is pressed against respective
The key circuit is so that the key circuit turns on, and when the conducting portion is in the non-conduction position, the conducting portion is remote
The key circuit is not turned on from the respective key circuit.
7. backlight keyboard according to claim 1, it is characterised in that：The button base has translucency.
8. backlight keyboard according to claim 1, it is characterised in that：The button circuit board has translucency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319307.3U CN207264959U (en) | 2017-10-13 | 2017-10-13 | Backlight keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319307.3U CN207264959U (en) | 2017-10-13 | 2017-10-13 | Backlight keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207264959U true CN207264959U (en) | 2018-04-20 |
Family
ID=61917128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721319307.3U Active CN207264959U (en) | 2017-10-13 | 2017-10-13 | Backlight keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207264959U (en) |
-
2017
- 2017-10-13 CN CN201721319307.3U patent/CN207264959U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |