CN2798279Y - Back light keyboard - Google Patents
Back light keyboard Download PDFInfo
- Publication number
- CN2798279Y CN2798279Y CN 200520017760 CN200520017760U CN2798279Y CN 2798279 Y CN2798279 Y CN 2798279Y CN 200520017760 CN200520017760 CN 200520017760 CN 200520017760 U CN200520017760 U CN 200520017760U CN 2798279 Y CN2798279 Y CN 2798279Y
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- China
- Prior art keywords
- light
- leaded light
- bridge plate
- several
- bridge
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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.)
- Expired - Lifetime
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- Push-Button Switches (AREA)
Abstract
The utility model relates to a back light keyboard, which comprises a light bridge board, a film circuit board, a plurality of key rings, a bridge and a key cap, wherein a light reflecting region is arranged at the bottom of the light bridge board, and a plurality of clamping structures and containing holes are arranged at the top part; light-emitting elements are contained in the containing holes; the film circuit board and the key rings are orderly arranged in the light bridge board; the bottom edge of the bridge passes through the film circuit board, and the bridge is combined to the clamping structures; the bottom of the key cap is combined on the top edge of the bridge, and the bottom surface is butted to the top end of each key ring. The light bridge board of the utility model for combining the bridge and the key cap are made into one unit. The utility model can pivot and clamp the bridge, and also has a light leading function. Thus, the utility model eliminates the disadvantage that the assembly of a usual back light keyboard is unauthentic because the usual back light keyboard needs metal parts which are punched and pressed.
Description
[technical field]
The utility model relates to a kind of keyboard, refers to a kind of backlight keyboard backlight and that structure is simplified that has especially.
[background technology]
The thin keypressing structure of notebook computer mainly is that the assembling binding has a scissor or bridge formation formula supporting construction between keycap and base plate, and this kind structure is exposed in: the TaiWan, China patent announcement is numbered No. 319438 " key switch with scissor arm element " novel patent case and the TaiWan, China patent announcement is numbered " the sub-bond structure of keyboard " novel patent case No. 282857, though but these existing keyboard structures are light and handy, but owing to only can can't operate in the dark place in the operation of light place, so lack the effect of using in dark occasion, therefore the release of the backlight keyboard with light source arranged on the market.
Existing backlight keyboard structure substantially, see also Fig. 6, it is to be provided with an assembling substrates (80), this assembling substrates (80) is the metal sheet that punching press is made, and the position of corresponding each keycap (not shown) is provided with L shaped bearing frame (81) and the slide guide frame (82) that array cooperatively interacts, each organizes bearing frame (81) is to have two and be symmetrical arranged, and each slide guide frame (82) also is to be provided with two and be symmetrical arranged.
Be provided with thin film circuit layer plate (83) and one deck rubber press button sheet (84) in regular turn in above-mentioned assembling substrates (80) end face, wherein film circuit board (83) is provided with the pressure point (831) of several corresponding keycaps, by pressure point (831) conducting keying signal, and corresponding each pressure point of rubber press button sheet (84) (831) extends upwardly and is provided with a key ring (841), and respectively organize L shaped bearing frame (81) and slide guide frame (82) is to pass film circuit board (83) and rubber press button sheet (84) and pass outside the rubber press button sheet (84), and articulate the lower edge of a bridge formation (not shown), the upper limb of building bridge articulates the bottom of keycap, the top of the bottom of keycap and contact-key ring (841).
Be provided with a light guide plate (85), a luminous element spacer (86) and a base plate (87) in regular turn in the bottom surface of above-mentioned assembling substrates (80), wherein light guide plate (85) is provided with a guide light reflection district (851) in the bottom, be embedded with several light-emitting components (861) on the luminous element spacer (86), and base plate (87) is metal sheet and is located under the luminous element spacer (86), uses the reinforcement integral intensity.
Existing backlight keyboard is luminous by light-emitting component, and the guide light reflection district that sees through light guide plate is with evenly upwards reflection of light, and the top part with keyboard illuminates by this, reaches the effect of seeing clearly in the dark and using.
Yet, owing to its assembling substrates in conjunction with bridge formation and keycap of existing backlight keyboard is the metal sheet that is converted into by punching press, therefore have following shortcoming in the use:
1, assembling easy deformation:
(A) because assembling substrates is a metal sheet, produce non-response distortion because of the effect of external force easily making the preceding of assembling, when making assembling and other parts do not conform to, cause the puzzlement in the assembling.
(B) this structure is for considering the smoothness of its printing opacity, so need to abolish many holes in order to printing opacity in assembling substrates.Big more or manyly more will influence the intensity of metal sheet own when holes, so under the situation of undercapacity, the assembling of when keycap is assembled, need exerting all one's strength, the integral planar degree of metal sheet will form wavy when the time comes, when the press button group is upright finish the assembly of whole group keyboard be system (computer) then the time will produce situation on can't smooth system (computer), so easily become to give birth to the can effect facts generation of warpage injustice when the user presses button cap.
2, the stability of manufacturing and transporting is not high: ditto described, and except owing to the situation that assembling does not conform to easily the time, take place, also can make assembling substrates bending distortion and make the overall package quality bad owing to transport the situation that has collision to rock often.
3, having keycap, to trigger pressure point insensitive: as described in the 1st (B), assembling substrates easily generates wavy, produces rough situation, produces the insensitive problem of pressure point that triggers because of concavo-convex problem easily when triggering pressure point with keycap.
4, cause the light guide plate damage: owing to have the situation of slip between assembling substrates and the light guide plate, the assembling substrates that makes the metal stamping plate make can rub and cause the damage of light guide plate.
[utility model content]
Because the not high and insensitive shortcoming of keycap triggering pressure point of stability that existing backlight keyboard has the assembling easy deformation, manufactures and transport, the purpose of this utility model provides a kind of backlight keyboard, each bearing frame and each slide guide frame that engaging is built bridge directly are formed on the leaded light bridge plate of leaded light, use addressing the above problem.
For achieving the above object, a kind of backlight keyboard of the utility model, it is characterized in that: it comprises:
One leaded light bridge plate, this leaded light bridge plate is a light-permeable plate body, is spaced in the leaded light bridge plate in end face to be laid with the array lock structure, disperses to be provided with the guide light reflection district in several positions of leaded light bridge plate bottom, and be interval with several in the leaded light bridge plate and hold the hole, hold hole content in each and be provided with light-emitting component;
One film circuit board, this film circuit board is located at the end face of leaded light bridge plate, is provided with the hollow hole that several pass for lock structures in the position that correspondence is respectively organized lock structure, but and respectively be provided with the pressure point of a conducting keying signal in the centre position that correspondence is respectively organized lock structure;
Several correspondences are located at the key ring of set each the pressure point top of film circuit board;
Several are incorporated into the set bridge formation of respectively organizing lock structure of leaded light bridge plate respectively, and each is built bridge is to be made of first framework and the second framework intersecting axle pivot; And
Several are incorporated into the keycap at the top of respectively building bridge respectively.
Further, the utility model is made as each group lock structure and comprises two pairs of slider guides that are referred to as L reverse-hook shape bearing frame and two symmetries, each two bearing frames and two slider guide of organizing lock structure is spaces, and the opening of two bearing frames is outside, and two slider guides form recess one away from the downside of each bearing frame in opposite face, form a microscler holding groove and a guide runner between two bearing frames and between each slider guide and each and this leaded light bridge plate end face;
The root edge of its first framework of described bridge formation forms a corresponding pivot, and from top to bottom pass described hollow hole, be located at rotary way in the holding groove of this leaded light bridge plate, the root edge both sides of second framework are provided with two slide-bars, and from top to bottom pass described hollow hole, slidably be located in the guide runner of this leaded light bridge plate.
Preferable, light-emitting component of the present utility model is LED.
And the set-up mode of the utility model light-emitting component has three kinds of modes:
One wherein is provided with several in this leaded light bridge plate and holds the hole, and is provided with a luminous element spacer in this leaded light bridge plate bottom surface, and the luminous element spacer is provided with several described light-emitting components, and each light-emitting component also is placed in respectively in the appearance hole of leaded light bridge plate.
Its two, wherein be provided with several in this leaded light bridge plate and hold the hole, and respectively hold the hole in this film circuit board bottom surface correspondence and be provided with several described light-emitting components, and each light-emitting component and being placed in respectively in the appearance hole of leaded light bridge plate.
Its three, wherein be provided with several in this leaded light bridge plate and hold the hole, and be provided with a base plate in this leaded light bridge plate bottom surface, it is metal sheet and is provided with several described light-emitting components in end face, and each light-emitting component and being placed in respectively in the appearance hole of this leaded light bridge plate.
When the utility model uses, be to utilize that to be located in the wherein each light-emitting component of leaded light bridge plate luminous, and by the guide light reflection district of leaded light bridge plate with evenly upwards reflection of light, film circuit board, each key ring, each bridge formation and each keycap that will be positioned at the top by this illuminate, and reach the effect of using in the dark.
And compare existing backlight keyboard, its leaded light bridge plate that articulates bridge formation and keycap of the utility model is to be made into integration, save the assembling substrates that metal stamping is made, effectively reduce overall volume, except that can articulating the engaging bridge formation, and with the function of leaded light, and the structure that it is made into integration and have following effect:
1, assembling is not yielding: because therefore its shape of leaded light bridge plate can or not be out of shape because of being subjected to external force when assembling because of bending produces permanent deformation.
The stability of 2, manufacturing and transporting is high: because the leaded light bridge plate can not produce nonvolatil distortion, therefore stability is high when assembling is whole, and transports and vertically in the way have external force to apply, and also can not be out of shape.
Do not have keycap when 3, the consumer operates and trigger the insensitive situation of pressure point: because pivot joint is not yielding in conjunction with its lock structure of leaded light bridge plate of building bridge, does not therefore have and assemble the crooked situation of back bridge formation structure, make and press button cap to touch very sensitivity of pressure point.
[accompanying drawing simple declaration]
Fig. 1 is the side-looking generalized section of the utility model first preferred embodiment.
Fig. 2 is the part three-dimensional exploded view of the utility model first preferred embodiment.
Fig. 3 is the part three-dimensional exploded view of the utility model first preferred embodiment.
Fig. 4 is the side-looking generalized section of the utility model second preferred embodiment.
Fig. 5 is the side-looking generalized section of the utility model the 3rd preferred embodiment.
Fig. 6 is the part three-dimensional exploded view of existing backlight keyboard.
[embodiment]
The utility model is a kind of backlight keyboard, please referring to Fig. 1,2,3 first preferred embodiment, it is to comprise a leaded light bridge plate (10), a film circuit board (20), a rubber press button sheet (30), several bridge formations (40), several keycaps (50), a luminous element spacer (60) and a base plate (70); Wherein,
Leaded light bridge plate (10) is the light-permeable plate body that without exception is rectangle, it is put in the bottom numerical digit and disperses to be provided with a guide light reflection district (11), leaded light bridge plate (10) also is provided with four in central part and holds holes (12), and four are held holes (12) is to scatter setting at interval in rectangular mode; Leaded light bridge plate (10) upwards is provided with array lock structure (13) in end face, each is organized lock structure (13) and comprises two pairs of slider guides (15) that are referred to as L reverse-hook shape bearing frame (14) and two symmetries, each two bearing frame (14) of organizing lock structure (13) is the space with two slider guides (15), and the opening of two bearing frames (14) outwardly, and two slider guides (15) form recess one away from the downside of each bearing frame (14) in opposite face, form a microscler holding groove (141) and a guide runner (151) between two bearing frames (14) and between each slider guide (15) and each and leaded light bridge plate (10) end face.
Film circuit board (20) is the rectangle sheet film circuit board structure of conducting keying signal, and be provided with the pressure point (21) of several conducting keying signals, each pressure point (21) is that correspondence is respectively organized the position of lock structure (13) and established, film circuit board (20) is the end face that is attached at this leaded light bridge plate (10), film circuit board (20) is gone up correspondence and is respectively organized L shaped bearing frame (14) and slider guide (15) and formed holding groove (141) and guide runner (151) and be provided with several hollow holes (22), make each L shaped bearing frame (14) and slider guide (15) stretch out film circuit board (20) up by this, each holding groove (141) and guide runner (151) are exposed outside the film circuit board (20).
Rubber press button sheet (30) is transparent rubbery flexible sheet, it is the end face that is attached at thin film circuit (20), and each pressure point (21) of corresponding each film circuit board (20) up one stretch and be provided with several key rings (31), each hollow hole (22) of rubber press button sheet (30) and corresponding film circuit board (20) is provided with several hollow holes (32), make each L shaped bearing frame (14) and slider guide (15) stretch out rubber press button sheet (30) up by this, and each holding groove (141) and guide runner (151) are exposed outside the rubber press button sheet (30).
Bridge formation (40) is to comprise one first framework (41) and one second framework (42), and with first framework (41) and second framework (42) the intersecting axle pivot turn structure that becomes to cultrate, wherein the both sides of first framework (41) apical margin are provided with two slide-bars (411), and the apical margin of second framework (42) is to form a corresponding pivot (421), the root edge both sides of second framework (42) are provided with two slide-bars (422), and from top to bottom pass the hollow hole (32) of rubber press button sheet (30) and film circuit board (20) in regular turn, (22), slidably be located in the guide runner (151) of leaded light bridge plate (10), and the root edge of first framework (41) forms a corresponding pivot (412), and from top to bottom pass the hollow hole (32) (22) of rubber press button sheet (30) and film circuit board (20) in regular turn, be hubbed at rotary way in the holding groove (141) of the same lock structure of leaded light bridge plate (10) (13).
Keycap (50) is that the printing opacity that generally is square is pressed by element, each keycap (50) is one-body molded on the bottom surface to have two pairs to be referred to as pivot connected slot (51) and two guide runners (52), and convex with one downwards in bottom surface central one-body molded and press by location division (53), to press each key ring (31) top by location division (53) location contact rubber press button sheet (30), two guide runners (52) of each keycap (50) are also located therein with two slide-bars (411) slide pivot of each first framework (41), and two pivot connected slots (51) will be hubbed at wherein with rotary way with a pivot (421) of bridge formation (40) its second framework (42), by this, each keycap (50) is articulated in the apical margin of each build bridge (40).
One luminous element spacer (60), luminous element spacer (60) is the lamellar body of polyester film and the bottom surface that is attached at leaded light bridge plate (60), on it and be provided with four light-emitting components that are connected with flexible electric circuit board (61), light-emitting component is LED in this preferred embodiment, and each light-emitting component (61) also is placed in respectively in the appearance hole (12) of leaded light bridge plate (10).
One base plate (70), base plate (70) is metal sheet and the bottom of being located at luminous spacer (60), strengthens the structural strength of the utility model integral body by this; In addition, this preferred embodiment also can not be provided with base plate (70) and use, and the utility model is not limited at this.
Please referring to second preferred embodiment of Fig. 4, its be in improvement first preferred embodiment relevant light-emitting component (61) the position is set, it is not provided with luminous element spacer (60), the hole (12) that respectively holds of corresponding leaded light bridge plate (10) is provided with four light-emitting components that are connected with flexible electric circuit board (61) and in the bottom surface of film circuit board (20), each light-emitting component (61) and being located in respectively holds in the hole (12), and other part setting and the first preferable enforcement of second preferred embodiment identical in example, so do not given unnecessary details at this; And second preferred embodiment also can not be provided with base plate (70) and use, and the utility model is not limited at this.
Light-emitting component of the present utility model has him to plant the mode of setting in addition, please referring to the 3rd preferred embodiment of Fig. 5, its be in improvement first preferred embodiment relevant light-emitting component (61) the position is set, it is not provided with luminous element spacer (60), and being provided with four light-emitting components that are connected with flexible electric circuit board (61) in the hole (12) that respectively holds of the corresponding leaded light bridge plate of base plate (70) end face (10), each light-emitting component (61) and being located in respectively holds in the hole (12).
In addition, the quantity in light-emitting component (61) and pairing appearance hole (12) also can be done the setting of other quantity in each preferred embodiment of the utility model, and with the increase and decrease of using that needs, the utility model is not limited at this.Described light-emitting component (61) can adopt LED (light-emitting diode).
Claims (10)
1. backlight keyboard, it is characterized in that: it comprises:
One leaded light bridge plate, this leaded light bridge plate is a light-permeable plate body, is spaced in the leaded light bridge plate in end face to be laid with the array lock structure, disperses to be provided with the guide light reflection district in several positions of leaded light bridge plate bottom, and be interval with several in the leaded light bridge plate and hold the hole, hold hole content in each and be provided with light-emitting component;
One film circuit board, this film circuit board is located at the end face of leaded light bridge plate, is provided with the hollow hole that several pass for lock structures in the position that correspondence is respectively organized lock structure, but and respectively be provided with the pressure point of a conducting keying signal in the centre position that correspondence is respectively organized lock structure;
Several correspondences are located at the key ring of set each the pressure point top of film circuit board;
Several are incorporated into the set bridge formation of respectively organizing lock structure of leaded light bridge plate respectively, and each is built bridge is to be made of first framework and the second framework intersecting axle pivot; And
Several are incorporated into the keycap at the top of respectively building bridge respectively.
2. backlight keyboard as claimed in claim 1, it is characterized in that: the described lock structure of respectively organizing comprises the L shaped reverse-hook shape bearing frame of two symmetries and the slider guide of two symmetries, each two bearing frames and two slider guide of organizing lock structure is spaces, and the opening of two bearing frames is outside, and two slider guides form recess one away from the downside of each bearing frame in opposite face, form a microscler holding groove and a guide runner between two bearing frames and between each slider guide each and this leaded light bridge plate end face;
The root edge of first framework of described bridge formation forms a corresponding pivot, and from top to bottom pass described hollow hole, be hubbed at rotary way in the holding groove of this leaded light bridge plate, the root edge both sides of this second framework are provided with two slide-bars, and from top to bottom pass described hollow hole, slidably be located in the guide runner of this leaded light bridge plate.
3. backlight keyboard as claimed in claim 1 or 2 is characterized in that: described light-emitting component is LED.
4. backlight keyboard as claimed in claim 1 or 2, it is characterized in that: described leaded light bridge plate holds the hole in wherein being provided with several, and be provided with a base plate in this leaded light bridge plate bottom surface, this base plate is metal sheet and is provided with several described light-emitting components in end face that each light-emitting component also is placed in respectively in the appearance hole of this leaded light bridge plate.
5, backlight keyboard as claimed in claim 1 or 2, it is characterized in that: described leaded light bridge plate holds the hole in wherein being provided with several, and being provided with a luminous element spacer in this leaded light bridge plate bottom surface, on it and be provided with several described light-emitting components, each light-emitting component also is placed in respectively in the appearance hole of leaded light bridge plate.
6, backlight keyboard as claimed in claim 5 is characterized in that: be provided with a base plate in described luminous element spacer bottom, this base plate is a metal sheet.
7, backlight keyboard as claimed in claim 5 is characterized in that: described light-emitting component is LED.
8. backlight keyboard as claimed in claim 1 or 2, it is characterized in that: described leaded light bridge plate holds the hole in wherein being provided with several, and respectively hold the hole in this film circuit board bottom surface correspondence and be provided with several described light-emitting components, each light-emitting component also is placed in respectively in the appearance hole of leaded light bridge plate.
9, backlight keyboard as claimed in claim 8 is characterized in that: be provided with a base plate in described leaded light bridge plate bottom, this base plate is a metal sheet.
10, backlight keyboard as claimed in claim 8 is characterized in that: described light-emitting component is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017760 CN2798279Y (en) | 2005-06-02 | 2005-06-02 | Back light keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017760 CN2798279Y (en) | 2005-06-02 | 2005-06-02 | Back light keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798279Y true CN2798279Y (en) | 2006-07-19 |
Family
ID=36869526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520017760 Expired - Lifetime CN2798279Y (en) | 2005-06-02 | 2005-06-02 | Back light keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798279Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414520B (en) * | 2007-10-17 | 2011-12-07 | 冲电气工业株式会社 | Key switch arrangement |
| CN108010779A (en) * | 2016-10-28 | 2018-05-08 | 光宝电子(广州)有限公司 | Illuminated keyboard |
-
2005
- 2005-06-02 CN CN 200520017760 patent/CN2798279Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414520B (en) * | 2007-10-17 | 2011-12-07 | 冲电气工业株式会社 | Key switch arrangement |
| CN108010779A (en) * | 2016-10-28 | 2018-05-08 | 光宝电子(广州)有限公司 | Illuminated keyboard |
| CN108010779B (en) * | 2016-10-28 | 2020-05-08 | 光宝电子(广州)有限公司 | Luminous keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150602 Granted publication date: 20060719 |