CN108010776B - Adjustable keyboard - Google Patents
Adjustable keyboard Download PDFInfo
- Publication number
- CN108010776B CN108010776B CN201711418709.3A CN201711418709A CN108010776B CN 108010776 B CN108010776 B CN 108010776B CN 201711418709 A CN201711418709 A CN 201711418709A CN 108010776 B CN108010776 B CN 108010776B
- Authority
- CN
- China
- Prior art keywords
- key
- adjusting nut
- base enclosure
- adjustable
- magnet
- Prior art date
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
- H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
Abstract
The present invention provides a kind of adjustable keyboard, including base enclosure, and its underpart forms support plate, and support plate is equipped with circuit film, respectively switchs the key hole that built-in key is offered above node；It include key magnet in key, and key bottom is equipped with conductive rubber；An adjusting nut is respectively set in the bottom of four edges of base enclosure, and adjusting nut can adjust the length for protruding into the screw hole in base enclosure bottom by screwing, and the nut lower end of adjusting nut is supported in desktop；It is additionally provided with one piece of adjustable plate below base enclosure, is nested on each adjusting nut by the through-hole of its four edges, and the horizontal nut upper end for being shelved on each adjusting nut；The adjustable plate magnet with the key magnet homopolar-repulsion in each key is provided on adjustable plate at each key of face.The adjustable keyboard can in use, hardness when flexible modulation button pressed, to meet the needs of under different user and different scenes.
Description
Technical field
The present invention relates to computer accessories fields, more particularly, to a kind of keyboard.
Background technique
Due to each one habit, hobby, mood etc., the hardness tool of keyboard is had different needs；And
Current keyboard hardness is fixed and invariable, this is restricted the audient face of the keyboard of a certain model, and
Actual demand of the same user under different scenes can not be met.
Summary of the invention
In view of the above-mentioned problems, the adjustable keyboard can use the purpose of the present invention is to provide a kind of adjustable keyboard
Cheng Zhong, hardness when flexible modulation button pressed, to meet the needs of under different user and different scenes.
The present invention solves the first technical solution used by its technical problem: the adjustable keyboard includes base enclosure, described
Support plate is formed at base enclosure lower part, and the support plate is equipped with circuit film；It is opened up above each switch node of the circuit film
There is key hole, is equipped with key in the key hole；It include one section of magnetized key magnet along the vertical direction in the key, and
The bottom of key is equipped with conductive rubber；When the conductive rubber presses to the switch node of the circuit film, which is tied
Point conducting；An adjusting nut is respectively set in the bottom of four edges of the base enclosure, and the adjusting nut can pass through rotation
The length of the screw hole in the base enclosure bottom is protruded into stubborn adjusting, and the nut lower end of adjusting nut is supported in desktop；The base enclosure
Lower section is additionally provided with one piece of adjustable plate, and the adjustable plate is nested on each adjusting nut by the through-hole of its four edges,
And level is shelved on the nut upper end of each adjusting nut；It is provided with and each key at each key of face on the adjustable plate
In key magnet homopolar-repulsion adjustable plate magnet；Under natural conditions, the adjustable plate magnet passes through to the key magnet
Magnetic repulsion, each key is supported on upper limit position.
Preferably, also horizontally disposed in the key have planar coil, the planar coil is exported to set on by key table
LED below the translucent character in face；To change during key tap since the magnetic field generation in key is quick,
Planar coil is set to generate induced current, so that the LED glistens, i.e., so that the key being tapped glistens, to improve the feelings of keyboard
Interest.
Preferably, the longitudinal direction of each adjusting nut is printed with scale value, screw hole is screwed into each adjusting nut of determination
Precise length, to ensure that each adjusting nut has completely the same bearing height, to ensure the spiral shell for being held on each adjusting nut
The adjustable plate of cap upper end is completely parallel to the bottom of base enclosure.
The beneficial effect of the first above-mentioned technical solution is: the bearing height by adjusting each adjusting nut, i.e., adjustable
The distance between the adjustable plate and base enclosure bottom are saved, to adjust the magnetic reprimand between each adjustable plate magnet and each key magnet
Power, hardness when thus regulating key pushes, to meet the needs of different.
The present invention solves second of technical solution used by its technical problem: the adjustable keyboard includes base enclosure, described
Support plate is formed at base enclosure lower part；Key hole is equipped with above the support plate；Key is equipped in each key hole；Include in the key
There is one section of magnetized key magnet along the vertical direction；A LC oscillating circuit, this LC oscillation electricity are also sealed in the key
The coil on road is around the home on the key magnet；And the LC oscillating circuit in each key has different resonance frequency；Institute
Stating adjustable keyboard further includes having a FM reception module, and the FM reception module has the number of keys with the adjustable keyboard
Identical receiving channel, to identify electromagnetic signal that each key is issued；The bottom of four edges of the base enclosure is set respectively
An adjusting nut is set, the adjusting nut can adjust the length for protruding into the screw hole in the base enclosure bottom by screwing, and
The nut lower end of adjusting nut is supported in desktop；Be additionally provided with one piece of adjustable plate below the base enclosure, the adjustable plate by its four
The through-hole of a edge is nested on each adjusting nut, and the horizontal nut upper end for being shelved on each adjusting nut；It is described
The adjustable plate magnet with the key magnet homopolar-repulsion in each key is provided on adjustable plate at each key of face；Natural shape
Under state, the adjustable plate magnet is supported on upper limit position by the magnetic repulsion to the key magnet, by each key.
Preferably, the FM reception module is sealed in the plastic chamber in the base enclosure；The inner surface of the base enclosure
One layer of metal layer is set, so that the LC oscillating circuit in each key and the FM reception module are shielded from the metal layer
In；The electromagnetic signal that each LC oscillating circuit issues can only be transferred to the FM reception module without externally dissipating；And it is outer
The radio wave on boundary will not enter the metal layer and constitute and interfere to frequency modulation receiving module.
Preferably, the upper surface of the support plate is metal plate, the LC oscillating circuit in each key is in key
Lower surface forms open circuit, and forms two open terminals in the lower surface of key；When the button pressed to the support plate
When contact, which is supported plate and is connected；As a result, only when each key is pressed down to and contacts with support plate,
Its internal LC oscillating circuit just will form circuit and generate oscillating current, to issue electromagnetism letter to the FM reception module
Number；Accidentally touching signal is generated so as to avoid key.
Preferably, the longitudinal direction of each adjusting nut is printed with scale value, screw hole is screwed into each adjusting nut of determination
Precise length, to ensure that each adjusting nut has completely the same bearing height, to ensure the spiral shell for being held on each adjusting nut
The adjustable plate of cap upper end is completely parallel to the bottom of base enclosure.
The beneficial effect of above-mentioned second of technical solution is: its support that again may be by adjusting each adjusting nut is high
Degree and regulating key push when hardness, to meet the needs of different；And compared to the first technical solution, second of skill
Each key all has independent potted circuit structure in art scheme, when individual circuit failure, need to only replace individual keys
Debugging；And due to not needing exposed electronic component, the waterproof performance of keyboard is largely increased, even if immersing water
In, its circuit structure will not be damaged.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment one of this adjustable keyboard in the first state.
Fig. 2 is the schematic diagram of the embodiment one of this adjustable keyboard in the second condition.
Fig. 3 is the schematic diagram of the embodiment two of this adjustable keyboard.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment one:
In Fig. 1, embodiment shown in Fig. 2 one, which includes base enclosure 1,1 lower part of base enclosure formation support plate
11, the support plate 11 is equipped with circuit film 2；Key hole 10, institute are offered above each switch node of the circuit film 2
It states and is equipped with key 3 in key hole 10；It include one section of magnetized key magnet 31, and key 3 along the vertical direction in the key 3
Bottom be equipped with conductive rubber 32；When the conductive rubber 32 presses to the switch node of the circuit film 2, which is tied
Point conducting.The circuit film 2, conductive rubber 32 and the mechanism of action between them are legacy device structure, with conventional keys
Disk is consistent.
An adjusting nut 4 is respectively set in the bottom of four edges of the base enclosure 1, and the adjusting nut 4 can lead to
The length for screwing and adjusting and protruding into the screw hole 40 in 1 bottom of base enclosure is crossed, and 41 lower end of nut of adjusting nut 4 is supported in table
Face；One piece of adjustable plate 5 is additionally provided with below the base enclosure 1, the adjustable plate 5 is nested with by the through-hole of its four edges in each institute
It states on adjusting nut 4, and horizontal 41 upper end of nut for being shelved on each adjusting nut 4；Face is each on the adjustable plate 5 described presses
The adjustable plate magnet 51 with 31 homopolar-repulsion of key magnet in each key 3 is provided at key 3；Under natural conditions, the adjusting
Plate magnet 51 is supported on upper limit position by the magnetic repulsion to the key magnet 31, by each key 3.
By adjusting the bearing height of each adjusting nut 4 tune is adjusted for the adjustable keyboard in embodiment one
The distance between plate 5 and 1 bottom of base enclosure are saved, so that the magnetic repulsion between each adjustable plate magnet 51 and each key magnet 31 is adjusted,
Thus hardness when regulating key 3 pushes, to meet the needs of different.Such as in Fig. 1, the bearing height of adjusting nut 4 compared with
Greatly, adjustable plate 5 apart from base enclosure 1 farther out, then the lower pressure resistance of key 3 is smaller, and key is partially soft；And in Fig. 2, adjusting nut 4
Bearing height is smaller, and adjustable plate 5 is relatively close apart from base enclosure 1, then the lower pressure resistance of key 3 is larger, and key is partially hard.
In addition, also horizontally disposed in the key 3 to have planar coil 33, the planar coil 33 is defeated in the present embodiment one
It is not shown to the LED(below the translucent character for being set to 3 surface of key out)；Thus during key tap 3, due to pressing
Quickly variation occurs for the magnetic field in key 3, and planar coil 33 is made to generate induced current, so that the LED glistens, i.e., so that being tapped
Key 3 glisten, to improve the temperament and interest of keyboard.
Embodiment two:
In embodiment two shown in Fig. 3, which includes base enclosure 1,1 lower part of base enclosure formation support plate 11；
Key hole 10 is equipped with above the support plate 11；Key 3 is equipped in each key hole 10；It include one section in the key 3 along perpendicular
Histogram is to magnetized key magnet 31；A LC oscillating circuit 34, the line of the LC oscillating circuit 34 are also sealed in the key 3
Circle is around the home on the key magnet 31；And the LC oscillating circuit 34 in each key 3 has different resonance frequency；It is described
Adjustable keyboard further includes having a FM reception module (not shown), and the FM reception module has presses with the adjustable keyboard
The identical receiving channel of bond number amount, to identify electromagnetic signal that each key 3 is issued；Such as, if the adjustable keyboard has N number of key
3, FM reception module has N number of receiving channel, and each receiving channel is made of the resonance modules with antenna, the resonance modules
Resonance frequency correspond to the resonance frequency of the LC oscillating circuit 34 in key 3；The resonance modules of each receiving channel
Can public reception electric wire N number of different capacitor tapped out by the common receiving antenna, to constitute N number of resonance frequency not
Same resonance modules.
If embodiment one is identical, an adjusting nut 4 is respectively set in the bottom of four edges of the base enclosure 1, described
Adjusting nut 4 can adjust the length for protruding into the screw hole 40 in 1 bottom of base enclosure by screwing, and the nut of adjusting nut 4
41 lower ends are supported in desktop；One piece of adjustable plate 5 is additionally provided with below the base enclosure 1, the adjustable plate 5 passes through its four edges
Through-hole is nested on each adjusting nut 4, and horizontal 41 upper end of nut for being shelved on each adjusting nut 4；The adjustable plate 5
The adjustable plate magnet 51 with 31 homopolar-repulsion of key magnet in each key 3 is provided at upper each key 3 of face；Natural shape
Under state, the adjustable plate magnet 51 is supported on upper limit position by the magnetic repulsion to the key magnet 31, by each key 3.
Adjustable keyboard described in embodiment two, the FM reception module (not shown) are sealed in the modeling in the base enclosure 1
Expect intracavitary；One layer of metal layer (not shown) is arranged in the inner surface of the base enclosure 1, so that the LC oscillating circuit in each key 3
34 are shielded from the metal layer with the FM reception module；The electromagnetic signal that each LC oscillating circuit 34 issues is (in institute
State in the space that metal layer surrounds and reflect repeatedly) the FM reception module can only be transferred to without externally dissipating；And extraneous
Radio wave will not enter the metal layer and constitute and interfere to frequency modulation receiving module.
In the present embodiment two, the upper surface of the support plate 11 is metal plate, the LC oscillating circuit 34 in each key
Open circuit is formed in the lower surface of key, and forms two open terminals 34a, 34b in the lower surface of key 3；When under the key 3
It is pressed onto when being contacted with the support plate 11, which is supported plate 11 and is connected；As a result, only each
Key 3 is pressed down to when contacting with support plate 11, and internal LC oscillating circuit 34 just will form circuit and generate oscillating current,
To issue electromagnetic signal to the FM reception module；Accidentally touching signal is generated so as to avoid key 3；That is, only 3 quilt of key
Bottom is pressed down to, one-touch operation is just identified as, in the case where pushing key 3 slightly since the mistake of hand is touched,
Do not generate push button signalling.
For embodiment two, the bearing height for adjusting each adjusting nut 4 again may be by and regulating key 3 when pushing
Hardness, to meet the needs of different；And compared to embodiment one, each key 3 in embodiment two all has independent close
Circuit structure is sealed, when individual circuit failure, only need to replace individual keys 3 can debug；And it is naked due to not needing
The waterproof performance of the electronic component of dew, keyboard is largely increased, even if being immersed in the water, will not damage its circuit structure.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, made any modification, equivalent replacement be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of adjustable keyboard, including base enclosure (1), the base enclosure (1) lower part form support plate (11)；On the support plate (11)
Side is equipped with key hole (10)；Key (3) are equipped in each key hole (10)；It is characterized by: including one section in the key (3)
Magnetized key magnet (31) along the vertical direction；A LC oscillating circuit (34), LC oscillation are also sealed in the key (3)
The coil of circuit (34) is around the home on the key magnet (31)；And the LC oscillating circuit (34) in each key (3) has respectively not
Identical resonance frequency；The adjustable keyboard further includes having a FM reception module, and the FM reception module has and this
The identical receiving channel of the number of keys of adjustable keyboard, to identify electromagnetic signal that each key (3) is issued；The base enclosure (1)
The bottoms of four edges an adjusting nut (4) is respectively set, the adjusting nut (4) can be protruded by screwing adjusting
The length of screw hole (40) in base enclosure (1) bottom, and the nut lower end of adjusting nut (4) is supported in desktop；The base enclosure
(1) lower section is additionally provided with one piece of adjustable plate (5), and the adjustable plate (5) is nested with by the through-hole of its four edges in each tune
It saves on nut (4), and level is shelved on nut (41) upper end of each adjusting nut (4)；Each institute of face on the adjustable plate (5)
State the adjustable plate magnet (51) being provided at key (3) with key magnet (31) homopolar-repulsion in each key (3)；Nature
Under, the adjustable plate magnet (51) is supported on limes superiors position by the magnetic repulsion to the key magnet (31), by each key (3)
It sets；The upper surface of the support plate (11) is metal plate, following table of the LC oscillating circuit (34) in each key in key (3)
Face forms open circuit, and forms two open terminals (34a, 34b) in the lower surface of key；When the button pressed to the branch
When fagging (11) contacts, which is supported plate (11) and is connected.
2. adjustable keyboard according to claim 1, it is characterised in that: the FM reception module is sealed in the base enclosure
Plastic chamber in；One layer of metal layer is arranged in the inner surface of the base enclosure so that the LC oscillating circuit in each key with it is described
FM reception module is shielded from the metal layer；The electromagnetic signal that each LC oscillating circuit issues can only be transferred to the tune
Frequency receiving module is without externally dissipating；And extraneous radio wave will not be into the metal layer and to frequency modulation receiving module structure
At interference.
3. adjustable keyboard according to claim 1, it is characterised in that: the longitudinal direction of each adjusting nut (4) is printed with quarter
Angle value is screwed into the precise length of screw hole (40) with each adjusting nut of determination (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418709.3A CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418709.3A CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010776A CN108010776A (en) | 2018-05-08 |
| CN108010776B true CN108010776B (en) | 2019-09-17 |
Family
ID=62061066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418709.3A Active CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010776B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462581B (en) * | 2020-04-22 | 2022-02-15 | 河南艺术职业学院 | Piano hand type exercise device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676344Y (en) * | 2003-08-04 | 2005-02-02 | 张勇 | Magnetic regulating system for piano hand feeling |
| CN201741607U (en) * | 2010-07-04 | 2011-02-09 | 苏州达方电子有限公司 | Key and keyboard |
| CN202275758U (en) * | 2011-10-12 | 2012-06-13 | 常熟精元电脑有限公司 | Magnetic press key |
| CN104199563A (en) * | 2014-09-23 | 2014-12-10 | 马根昌 | Electromagnetic keyboard |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8842073B2 (en) * | 2011-12-19 | 2014-09-23 | Lenovo (Beijing) Co., Ltd. | Keyboard, method of driving and assembling the same, and electronic device |
-
2017
- 2017-12-25 CN CN201711418709.3A patent/CN108010776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676344Y (en) * | 2003-08-04 | 2005-02-02 | 张勇 | Magnetic regulating system for piano hand feeling |
| CN201741607U (en) * | 2010-07-04 | 2011-02-09 | 苏州达方电子有限公司 | Key and keyboard |
| CN202275758U (en) * | 2011-10-12 | 2012-06-13 | 常熟精元电脑有限公司 | Magnetic press key |
| CN104199563A (en) * | 2014-09-23 | 2014-12-10 | 马根昌 | Electromagnetic keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108010776A (en) | 2018-05-08 |
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Effective date of registration: 20190828 Address after: 312500 No. 168, Kengxi Village, Juzhen, Dashi City, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: Xinchang Chengju Agricultural Technology Co., Ltd. Address before: Room 813, Block A, Dell Plaza, Kaiping Road, Wujiang District, Suzhou City, Jiangsu Province Applicant before: Zhong Xingying |
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