CN207976846U - The keyboard of changeable attachment device - Google Patents
The keyboard of changeable attachment device Download PDFInfo
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- CN207976846U CN207976846U CN201721879053.0U CN201721879053U CN207976846U CN 207976846 U CN207976846 U CN 207976846U CN 201721879053 U CN201721879053 U CN 201721879053U CN 207976846 U CN207976846 U CN 207976846U
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- keyboard
- waterproof
- circuit
- enclosure wall
- radio communication
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Abstract
The utility model provides the keyboard that attachment device can be switched, and belongs to electronic input apparatus field, including keyboard case, the switching device being arranged on keyboard case and the circuit board being arranged inside keyboard case, and keyboard is provided on keyboard case.The circuit board includes keyboard circuit, keyboard controller circuit, switching device, radio communication circuit I and radio communication circuit II, the output end of the keyboard circuit is connect with keyboard controller circuit, and radio communication circuit I and radio communication circuit II are connect through switching device with keyboard controller circuit；Radio communication circuit I and radio communication circuit II are wirelessly connected with external connection apparatus.
Description
Technical field
The utility model is related to electronic input apparatus fields, more particularly to the keyboard of changeable attachment device.
Background technology
With scientific and technological progress and economic development, computer is quickly popularized, and has become each neck of the life such as office, production and amusement
The indispensable tool in domain, computor-keyboard is essential during computer use.But since computor-keyboard can only connect computer
After could be used so as to much go out or commercial affairs personnel it is cumbersome.
Smartphone, the popularity rate of tablet are higher and higher at present, business people using smartphone and tablet when,
When needing a large amount of input informations, it is only capable of using the dummy keyboard input information in smartphone or tablet, due to virtual key
The region that disk is shown is narrow, and input information is caused to need the flow of additional complexity, is short of the convenience of physical keyboard input, wherein
Sense of touch and efficiency than physical keyboard deficiency.Therefore it needs to design a kind of keyboard and small-sized mobile device progress is mating makes
With, meet migrant person using mobile device handle official business the needs of.
Utility model content
The utility model provides the keyboard that attachment device can be switched, and solving existing keyboard cannot need small type mobile devices to make
The problem of with switching between equipment.
The utility model solves the above problems by the following technical programs：
The keyboard of changeable attachment device, including keyboard case, the switching device being arranged on keyboard case and setting exist
Circuit board inside keyboard case is provided with keyboard on keyboard case, wherein the circuit board includes keyboard electricity
Road, keyboard controller circuit, switching circuit, radio communication circuit I and radio communication circuit II, the keyboard circuit it is defeated
Outlet is connect with keyboard controller circuit, and radio communication circuit I and radio communication circuit II are through switching device and Keyboard Control
Device circuit connects；Radio communication circuit I and radio communication circuit II are wirelessly connected with external connection apparatus.
In said program, preferably circuit board further includes Serial Port Line circuit, the Serial Port Line circuit through switching device with
Keyboard controller circuit connects, and Serial Port Line circuit is connect by USB keyboard line with external equipment.
In said program, power supply is preferably additionally provided in keyboard case, power supply is powered to circuit board, and the power supply is
Battery or power module circuitry, power module circuitry are connect with externally fed line.
In said program, preferably radio communication circuit I and radio communication circuit II be bluetooth module, WIFI module or
Radio-frequency module.
In said program, preferably switching device be three-level rotary switch, three-level button switch, three-level plectrum switch or
Soft-touch control unit.
In said program, preferably soft-touch control unit includes soft-touch control and display screen, and display screen is opened with through touching
Pass is connect with keyboard controller circuit.
In said program, preferably keyboard controller circuit includes microprocessor and clock circuit, the clock circuit
It is connect with microprocessor, clock circuit includes clock chip or crystal oscillator, and the microprocessor uses STM32 series or STC852 systems
The singlechip chip of row.
In said program, Waterproof key structure is preferably provided on keyboard case, Waterproof key structure includes first
The outer enclosure wall of keycap, the first button drive link, the first waterproof enclosure wall, the first spring caps and the first waterproof, the first button transmission
Connect with the first keycap at the top of bar, first spring caps be arranged the first keyboard in the first waterproof enclosure wall inside center bottom by
On key circuit, the first button drive link is inserted in the first waterproof enclosure wall and contacts setting, the first keycap bottom at the top of the first spring caps
Portion is provided with the outer enclosure wall of waterproof, and the outer enclosure wall bottom of the first waterproof is linked in the periphery of the first waterproof enclosure wall.
In said program, preferably described first keycap, the first keycap diameter is bigger than the diameter of the first waterproof enclosure wall, institute
It states the first spring caps and is set as hemispherical or frustum, the diameter directly than the first waterproof enclosure wall of the first spring caps is small.
In said program, bottom centre is stayed made of the outer enclosure wall of preferably the first waterproof is enclosed by several " L " structures
Empty drum structure, the diameter that bottom is left a blank is close with the outer diameter of the first waterproof enclosure wall, and the diameter that bottom is left a blank is than water proof ring
Outer diameter is small.
In said program, Waterproof key structure is preferably provided on keyboard case, Waterproof key structure includes second
Keycap, the second button drive link, the second waterproof enclosure wall, the second spring caps and waterproof rubber sleeve, the second button drive link top
Portion is connect with the second keycap, and the second waterproof enclosure wall is set as a barrel wall-like, and the second spring caps setting is enclosed in the second waterproof
Within the walls on the second keyboard circuit of portion's centre bottom, the second button drive link is inserted in the second waterproof enclosure wall and the second elasticity
The contact setting of crown portion, described waterproof rubber sleeve one end is closed to be arranged on the second button drive link, and the closed setting of the other end exists
On second waterproof enclosure wall.
In said program, the preferably described second button drive link bottom is provided with screens circle outstanding outward；It is described
The inversion drum structure that bottom centre leaves a blank made of second waterproof enclosure wall is enclosed by several inverted " L " structures, center is stayed
The internal diameter in vacancy is bigger than the second button drive link outer diameter, smaller than the outer diameter of screens circle.
The advantages of the utility model is with effect：
The utility model uses two wireless communication modules by the way that switching device is arranged on keyboard, so that
Keyboard can be random be switched in two or more equipment, and switching device be additionally provided with it is wired with external progress
The Serial Port Line circuit of connection, so that keyboard directly can carry out being directly connected to use with computer or other equipment, increasing key
The use scope of disk, more preferably meets the needs of people；The utility model between button drive link and waterproof enclosure wall by being provided with
So that the waterproof effect of keyboard is more preferable, the keyboard of the utility model directly can be rinsed with water or be disappeared waterproof rubber sleeve
Malicious water is cleaned, and so as to reduce the bacterium on keyboard, while the utility model is also provided with the outer enclosure wall of waterproof, further
The flushing of high hydraulic pressure is improved, setting big other end setting in waterproof rubber sleeve one end is small, so that will not go out when keyboard is pressed
Existing water proof rubber, which is sleeved between button drive link and waterproof enclosure wall, to be blocked.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the board structure of circuit block diagram of the utility model.
Fig. 3 is the first Waterproof push-button schematic diagram of the utility model.
Fig. 4 is the second Waterproof push-button schematic diagram of the utility model.
Figure label：1 keyboard case, 2 switching devices, 3 circuit boards, 21 first keycaps, 22 first button drive links, 23 are prevented
Hydrosphere, 24 first waterproof enclosure walls, 25 first upper shells, 26 first keyboard circuits, 27 first lower houses, 28 first elasticity
The outer enclosure wall of cap, 29 first waterproofs, 31 second keycaps, 32 second button drive links, 33 screens circles, 34 second waterproof enclosure walls, 35 the
The outer enclosure wall of two upper shells, 36 second keyboard circuits, 37 second lower houses, 38 second spring caps, 39 second waterproofs, 310, it is anti-
Water rubber sleeve.
Specific implementation mode
The utility model is described in further detail with reference to embodiments.
Embodiment 1
The switch on keyboard case 1 is arranged as shown in Figure 1, including keyboard case 1 in the keyboard of changeable attachment device
Device 2, the circuit board 3 being arranged inside keyboard case 1 and power supply.Power supply connect power supply with circuit board 3, power supply be battery or
Power module circuitry, power module circuitry are connect with externally fed line.Keyboard, keyboard are provided on keyboard case 1
Number or keyboard arrangement of the arrangement with existing keyboard and number it is same or similar.Switching device 2 carries out
Control keyboard is attached with external connection equipment.
As shown in Fig. 2, circuit board 3 includes keyboard circuit, keyboard controller circuit, switching circuit, wireless communication electricity
Road I, radio communication circuit II and Serial Port Line circuit.The output end of keyboard circuit is connect with keyboard controller circuit, wirelessly
Telecommunication circuit I and radio communication circuit II are connect through switching circuit with keyboard controller circuit.Radio communication circuit I and wireless
Telecommunication circuit II is wirelessly connected with external connection apparatus.Serial Port Line circuit is connect through switching device with keyboard controller circuit, string
Mouth line circuit is connect by USB keyboard line with external equipment.Radio communication circuit I and radio communication circuit II be bluetooth module,
WIFI module or radio-frequency module.Bluetooth module uses the bluetooth module of technical grade, using the bluetooth module of model USR-100,
WIFI module uses the WIFI module of technical grade, the WIFI module of model zbt-wm8302rt or zbt-m8192eu, radio frequency
It is the flexible circuit of existing keyboard that module, which uses 2.4G wireless modules, keyboard circuit,.
Switching device 2 is three-level rotary switch, three-level button switch, three-level plectrum switch or soft-touch control unit.When opening
When pass device 2 is that three-level rotary switch, three-level button switch or three-level plectrum switch, 2 surrounding markings of switching device have switch
Register cue mark.When switching device 2 is soft-touch control unit, soft-touch control unit includes soft-touch control and display screen, is shown
Display screen is connect with through soft-touch control with keyboard controller circuit.Switching device 2 or shift switch or close with clutch
Switch.
Keyboard controller circuit includes microprocessor and clock circuit, and the clock circuit is connect with microprocessor.Clock
Circuit includes clock chip or crystal oscillator, and clock chip uses the clock chip of model 950213AF or 93725AF.Microprocessor
Device uses the singlechip chip of STM32 series or STC852 series.Microprocessor is mainly the company of control keyboard and outside Shen Bei
It connects, while the signal of keyboard circuit by being wirelessly or non-wirelessly transmitted to external connection apparatus.
Waterproof key structure is provided on the keyboard case 1 as shown in Figure 3, Waterproof key structure includes the first keycap
21, the outer enclosure wall 29 of the first button drive link 22, the first waterproof enclosure wall 24, spring caps 28 and the first waterproof, first button pass
22 top of lever is connect with the first keycap 21, and first spring caps 28 are arranged in 24 inside center bottom of the first waterproof enclosure wall
On first keyboard circuit 26, the first button drive link 22 is inserted in the first waterproof enclosure wall 24 to be connect with 28 top of the first spring caps
Setting is touched, 21 bottom of the first keycap is provided with the outer enclosure wall 29 of the first waterproof, and it is anti-that outer 29 bottom of enclosure wall of the first waterproof is linked in first
The periphery of water enclosure wall 24.First keycap 21,21 diameter of the first keycap are bigger than the diameter of the first waterproof enclosure wall 24, described
First spring caps 28 are set as hemispherical or frustum, and the diameter directly than the first waterproof enclosure wall 24 of the first spring caps 28 is small.Institute
The drum structure that bottom centre made of the outer enclosure wall 29 of the first waterproof is enclosed by several " L " structures leaves a blank is stated, what bottom was left a blank
Diameter is close with the outer diameter of the first waterproof enclosure wall 24, and the diameter that bottom is left a blank is smaller than the outer diameter of water proof ring 23.
As shown in figure 4, being provided with Waterproof key structure on the keyboard case 1, Waterproof key structure includes the second keycap
31, the second button drive link 32, the second waterproof enclosure wall 34, the second spring caps 38 and waterproof rubber sleeve 310, second button pass
32 top of lever is connect with the second keycap 31, and the second waterproof enclosure wall 34 is set as a barrel wall-like, and second spring caps 38 are set
It sets on the second keyboard circuit 36 of 34 inside center bottom of the second waterproof enclosure wall, the second button drive link 32 is inserted in second
Setting is contacted in waterproof enclosure wall 34 with 38 top of the second spring caps, the closed setting in 310 one end of the waterproof rubber sleeve is pressed second
On key drive link 32, the other end is closed to be arranged on the second waterproof enclosure wall 34.Second button drive link, 32 bottom is set
It is equipped with screens circle 33 outstanding outward；Bottom made of the second waterproof enclosure wall 34 is enclosed by several inverted " L " structures
The inversion drum structure that center is left a blank, center leave a blank place internal diameter it is bigger than 32 outer diameter of the second button drive link, than screens circle 33
Outer diameter is small.
The preferred embodiment created to the utility model above is illustrated, but the utility model is not limited to
Embodiment, those skilled in the art can also make various etc. under the premise of without prejudice to the utility model creative spirit
Same modification or replacement, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (10)
1. the keyboard of changeable attachment device, including keyboard case (1), the switching device (2) that is arranged on keyboard case (1) and
The circuit board (3) internal in keyboard case (1) is set, and keyboard case is provided with keyboard on (1), which is characterized in that described
Circuit board (3) includes keyboard circuit, keyboard controller circuit, switching circuit, radio communication circuit I and radio communication circuit
II, the output end of the keyboard circuit is connect with keyboard controller circuit, radio communication circuit I and radio communication circuit II
It is connect with keyboard controller circuit through switching device；Radio communication circuit I and radio communication circuit II and external connection apparatus
It is wirelessly connected.
2. the keyboard of changeable attachment device according to claim 1, it is characterised in that：The circuit board (3) further includes
Serial Port Line circuit, the Serial Port Line circuit are connect through switching device with keyboard controller circuit, and Serial Port Line circuit passes through USB keyboard
Line is connect with external equipment.
3. the keyboard of changeable attachment device according to claim 1, it is characterised in that：In the keyboard case (1) also
Be provided with power supply, power supply gives circuit board (3) power supply, and the power supply is battery or power module circuitry, power module circuitry with
Externally fed line connects.
4. the keyboard of changeable attachment device according to claim 1, it is characterised in that：I He of the radio communication circuit
Radio communication circuit II is bluetooth module, WIFI module or radio-frequency module.
5. the keyboard of changeable attachment device according to claim 1, it is characterised in that：The switching device (2) is three
Grade rotary switch, three-level button switch, three-level plectrum switch or soft-touch control unit；The soft-touch control unit includes touching to open
It closes and display screen, display screen is connect with through soft-touch control with keyboard controller circuit.
6. the keyboard of changeable attachment device according to claim 1, it is characterised in that：It is set on the keyboard case (1)
It is equipped with Waterproof key structure, Waterproof key structure includes the first keycap (21), the first button drive link (22), the first waterproof enclosure wall
(24), the first spring caps (28) and the outer enclosure wall (29) of the first waterproof, the first button drive link (22) top and the first keycap
(21) it connects, first keyboard electricity of the first spring caps (28) setting in first waterproof enclosure wall (24) inside center bottom
On road (26), the first button drive link (22) is inserted in the first waterproof enclosure wall (24) to contact with the first spring caps (28) top and set
It sets, the first keycap (21) bottom is provided with the outer enclosure wall (29) of the first waterproof, and outer enclosure wall (29) bottom of the first waterproof is linked in first
The periphery of waterproof enclosure wall (24).
7. the keyboard of changeable attachment device according to claim 6, it is characterised in that：First keycap (21), the
One keycap (21) diameter is bigger than the diameter of the first waterproof enclosure wall (24), and first spring caps (28) are set as hemispherical or cone
The diameter directly than the first waterproof enclosure wall (24) of platform, the first spring caps (28) is small.
8. the keyboard of changeable attachment device according to claim 6, it is characterised in that：The outer enclosure wall of first waterproof
(29) the drum structure that bottom centre leaves a blank made of being enclosed by several " L " structures, the diameter and the first waterproof that bottom is left a blank
The outer diameter of enclosure wall (24) is close, and the diameter that bottom is left a blank is smaller than the outer diameter of water proof ring (23).
9. the keyboard of changeable attachment device according to claim 1, it is characterised in that：On this shell of keyboard (1)
It is provided with Waterproof key structure, Waterproof key structure is enclosed including the second keycap (31), the second button drive link (32), the second waterproof
Wall (34), the second spring caps (38) and waterproof rubber sleeve (310), the second button drive link (32) top and the second keycap
(31) it connects, the second waterproof enclosure wall (34) is set as a barrel wall-like, and the second spring caps (38) setting is enclosed in the second waterproof
On the second keyboard circuit (36) of wall (34) inside center bottom, the second button drive link (32) is inserted in the second waterproof enclosure wall
(34) setting is contacted with the second spring caps (38) top in, described waterproof rubber sleeve (310) one end is closed to be arranged in the second button
On drive link (32), the other end is closed to be arranged on the second waterproof enclosure wall (34).
10. the keyboard of changeable attachment device according to claim 9, it is characterised in that：The second button drive link
(32) bottom is provided with screens circle (33) outstanding outward；The second waterproof enclosure wall (34) is by several inverted " L " structures
The inversion drum structure that bottom centre made of enclosing leaves a blank, center leave a blank place internal diameter than second button drive link (32) outer diameter
Greatly, the outer diameter than screens circle (33) is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879053.0U CN207976846U (en) | 2017-12-28 | 2017-12-28 | The keyboard of changeable attachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879053.0U CN207976846U (en) | 2017-12-28 | 2017-12-28 | The keyboard of changeable attachment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976846U true CN207976846U (en) | 2018-10-16 |
Family
ID=63772076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721879053.0U Active CN207976846U (en) | 2017-12-28 | 2017-12-28 | The keyboard of changeable attachment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976846U (en) |
-
2017
- 2017-12-28 CN CN201721879053.0U patent/CN207976846U/en active Active
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