CN2791664Y - Light-guiding bridge plate of light-shading keyboard - Google Patents
Light-guiding bridge plate of light-shading keyboard Download PDFInfo
- Publication number
- CN2791664Y CN2791664Y CN 200520017759 CN200520017759U CN2791664Y CN 2791664 Y CN2791664 Y CN 2791664Y CN 200520017759 CN200520017759 CN 200520017759 CN 200520017759 U CN200520017759 U CN 200520017759U CN 2791664 Y CN2791664 Y CN 2791664Y
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- light
- keyboard
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- Expired - Lifetime
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Abstract
The utility model relates to a light-guiding bridge plate of a light-shading keyboard, which is provided with a light-guiding plate. A plurality of sets of clamping structures are distributed on the top part of the light-guiding plate, and are arranged alternately; light-guiding reflection areas are arranged on a plurality of positions at the bottom in decentralization, and the light-guiding plate is penetrated with a plurality of containing holes. The clamping structures of the utility model are directly arranged on the light-guiding plate for combining a bridge. Thus, the utility model has light leading efficacy and has a function for combining the bridge. The utility model is used on the light-shading keyboard, which can effectively overcome the disadvantage of unauthentic assembly because a usual light-shading keyboard needs metal parts which are punched and further reduce the volume of the light-shading keyboard.
Description
[technical field]
The utility model relates to a kind of leaded light part of keyboard, refers to a kind of leaded light bridge plate that has simultaneously in conjunction with the backlight keyboard of bridge formation and leaded light effect 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 " keyswitch with scissor arm element " novel patent case and 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, please see Figure 4, 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 luminophor 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 coated with one deck guide light reflection district (851) in the bottom, be embedded with several light-emitting components (861) on the luminophor spacer (86), and base plate (87) is metal sheet and is located under the luminophor 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 upper 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 because metal sheet has the generation of residual stress in punching course:
1, assembling easy deformation:
(A) because assembling substrates is a metal sheet, when making assembling, produce non-response distortion because of the effect of residual stress easily, when making assembling and other parts do not conform to, cause the puzzlement in the assembling.
(B) this structure is to consider the smoothness of its printing opacity, so need to abolish many holes in order to printing opacity in assembling substrates.Big more or how will influence the intensity of metal sheet itself 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 (B) top of the 1st, 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.
5, volume can't reduce lightweight: owing to articulate to build bridge and the assembling substrates of keycap and the light guide plate of leaded light effect are to be provided with respectively, more element causes and the reduction in bulk of integral body can't be reached lightweight.
[utility model content]
Because the assembling substrates that existing backlight keyboard uses metal stamping to make, and have the assembling easy deformation, the stability of manufacturing and transporting is not high and keycap triggers shortcomings such as pressure point is insensitive, the purpose of this utility model provides a kind of leaded light bridge plate of backlight keyboard, not yielding in the time of can making the light guide plate assembling, stability is high when assembling, and transport in the way and also can not be out of shape, therefore do not have and assemble the crooked situation of back bridge formation structure, make and press button cap to touch very sensitivity of pressure point.
For achieving the above object, the leaded light bridge plate of backlight keyboard of the present utility model is characterized in that: it is provided with a light guide plate, and this light guide plate is provided with a guide light reflection district in the bottom, be provided with the array lock structure in the top.
Preferable, described lock structure 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.
Further, described light guide plate is interval with several and holds the hole, and each holds the hole can be installed with light-emitting component.
When the utility model applies to backlight keyboard, be to be provided with thin film circuit layer plate and one deck rubber press button sheet up in regular turn in end face, and with each the group lock structure in conjunction with bridge formation, assembling can be pressed by the keycap that touches rubber press button sheet and film circuit board by this, inside of the present utility model has been installed with luminophor, by the guide light reflection district each several part that intersperses among backlight keyboard up that light is all surplus, make backlight keyboard reach the effect that in dark, to use.
And compare existing backlight keyboard, backlight keyboard of the present utility model is arranged in utilization because it has the effect that articulates bridge formation and leaded light simultaneously, save the assembling substrates that metal stamping is made, can effectively reduce overall volume, and feasible utilization is originally touched the backlight keyboard of doing and is had following effect:
1, assembling is not yielding: because therefore its shape of light guide 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 light guide 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: owing to not yielding, therefore do not have and assemble the crooked situation of back bridge formation structure, make and press button cap to touch very sensitivity of pressure point in conjunction with its lock structure of light guide plate of building bridge.
[accompanying drawing simple declaration]
Fig. 1 is the side-looking diagrammatic cross-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 part three-dimensional exploded view of existing backlight keyboard.
[embodiment]
The utility model is a kind of leaded light bridge plate of backlight keyboard, when using, it is installed in the backlight keyboard, please referring to Fig. 1,2,3 preferred embodiment, this backlight keyboard is except that the utility model and comprise a film circuit board (20), a rubber press button sheet (30), several bridge formations (40), several keycaps (50), a luminophor spacer (60) and a base plate (70); Wherein,
The utility model is provided with a light guide plate (10), this light guide plate (10) is the light-permeable plate body that without exception is rectangle, several positions disperse to be provided with a guide light reflection district (11) in the bottom for it, light guide plate (10) also is interval with four in central part and holds holes (12), and four are held holes (12) is to scatter setting at interval in rectangular mode; Light guide plate (10) upwards is provided with array lock structure (13) in end face, each is organized lock structure (13) and comprises the L shaped reverse-hook shape bearing frame (14) of two symmetries and the slider guide (15) of two symmetries, each opening of organizing two bearing frames (14) of lock structure (13) is toward the outer side, 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 light guide 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 light guide 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) (22) of rubber press button sheet (30) and film circuit board (20) in regular turn, slidably be located in the guide runner (151) of light guide 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 light guide 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 pivot connected slot (51) and two guide runners (52) that two symmetries are arranged on the bottom surface, 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 luminophor spacer (60), luminophor spacer (60) is the lamellar body of polyester film and the bottom surface that is attached at light guide 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 light guide 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 backlight keyboard integral body by this.
In addition, the situation of the corresponding use of its light guide plate of the utility model (10) different light-emitting components (61) quantity can be provided with the appearance hole (12) of varying number, and the utility model also can not be provided with appearance hole (12), and apply to light-emitting component (61) is embedded on the backlight keyboard of the interior kenel of luminophor spacer (60), the utility model is not limited at this.
Claims (3)
1. the leaded light bridge plate of a backlight keyboard, it is characterized in that: it is provided with a light guide plate, and this light guide plate is provided with a guide light reflection district in the bottom, be provided with the array lock structure in the top.
2. the leaded light bridge plate of backlight keyboard as claimed in claim 1, it is characterized in that: described lock structure 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.
3. the leaded light bridge plate of backlight keyboard as claimed in claim 1 or 2 is characterized in that: described light guide plate is interval with several and holds the hole, and each holds pore volume and establishes light-emitting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017759 CN2791664Y (en) | 2005-06-02 | 2005-06-02 | Light-guiding bridge plate of light-shading keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017759 CN2791664Y (en) | 2005-06-02 | 2005-06-02 | Light-guiding bridge plate of light-shading keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791664Y true CN2791664Y (en) | 2006-06-28 |
Family
ID=36807726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520017759 Expired - Lifetime CN2791664Y (en) | 2005-06-02 | 2005-06-02 | Light-guiding bridge plate of light-shading keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791664Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192478B (en) * | 2006-12-01 | 2010-08-11 | 深圳富泰宏精密工业有限公司 | Backlight keyboard |
| CN102456494A (en) * | 2010-10-18 | 2012-05-16 | 致伸科技股份有限公司 | Illuminant keyboard |
| CN102779675A (en) * | 2011-05-11 | 2012-11-14 | 纬创资通股份有限公司 | Key device, combination of supporting seat and key cover plate and manufacturing method |
| CN102800516A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN102800517A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN110718407A (en) * | 2018-07-11 | 2020-01-21 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| US20220214721A1 (en) * | 2021-01-06 | 2022-07-07 | Primax Electronics Ltd. | Keyboard device |
-
2005
- 2005-06-02 CN CN 200520017759 patent/CN2791664Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192478B (en) * | 2006-12-01 | 2010-08-11 | 深圳富泰宏精密工业有限公司 | Backlight keyboard |
| US7786394B2 (en) | 2006-12-01 | 2010-08-31 | Shenzhen Futaihong Precision Industry Co., Ltd. | Backlight keyboard |
| CN102456494A (en) * | 2010-10-18 | 2012-05-16 | 致伸科技股份有限公司 | Illuminant keyboard |
| CN102779675A (en) * | 2011-05-11 | 2012-11-14 | 纬创资通股份有限公司 | Key device, combination of supporting seat and key cover plate and manufacturing method |
| CN102800516A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN102800517A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN102800516B (en) * | 2011-05-24 | 2014-12-24 | 致伸科技股份有限公司 | Luminous keyboard |
| CN110718407A (en) * | 2018-07-11 | 2020-01-21 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| US20220214721A1 (en) * | 2021-01-06 | 2022-07-07 | Primax Electronics Ltd. | Keyboard device |
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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: 20060628 |