CN217467619U - Dual-mode keyboard - Google Patents

Abstract

A dual-mode keyboard comprises a keyboard shell arranged outside, a plurality of keys arranged on the keyboard shell, a protection mechanism, a through groove and a limiting groove, wherein the protection mechanism is arranged inside the outer end of the keyboard shell, and a power switch is arranged in a key seam at one corner of the keyboard shell; protection machanism includes the inner chamber, changes the roller, the wind spring, the protecting film, the pull rod, through the groove, the fixed block, through groove and spacing groove, the inner chamber is seted up in the inside of one end, the mid-mounting of inner chamber has the roller that changes, the both ends of changeing the roller are passed through the wind spring and are connected with keyboard shells inner wall, around having the protecting film on changeing the roller, the one end of protecting film is provided with the pull rod, the both ends at keyboard shells are fixed to the fixed block symmetry, have seted up through the groove at the outside middle part of fixed block, set up the spacing groove that communicates with it through the one end in groove, the utility model discloses novel structure conceives ingeniously, can protect the key region of keyboard, prevents that the button on the keyboard shells from falling into more dust, is favorable to using.

Description

Dual-mode keyboard

Technical Field

The utility model relates to a keyboard specifically is a dual-mode keyboard.

Background

With the increasing popularity of various mobile internet devices (such as tablet computers, smart phones and notebook computers), the mobile internet devices become an indispensable part of people's life and work, and wireless input devices, such as bluetooth keyboards, used in cooperation with the mobile internet devices are also generated.

The Bluetooth keyboard carries out wireless transmission through the Bluetooth protocol, carries out the bluetooth communication at effectual within range, has broken away from the inconvenience that traditional keyboard wired input brought, but current bluetooth keyboard when not using, falls into more dust and foreign matter in the gap of button easily, and difficult clearance, also can't carry out wired connection simultaneously and use, and the suitability is poor.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a dual-mode keyboard, the effectual current bluetooth keyboard of having solved falls into more dust and foreign matter in the gap of button easily when not using, and difficult clearance, also can't carry out wired connection simultaneously and use, the poor problem of suitability.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model comprises an externally arranged keyboard shell and a plurality of keys arranged on the keyboard shell, and also comprises a protection mechanism, a UBS singlechip, a Bluetooth module, a charging chip, a lithium battery and a power switch, wherein the protection mechanism is arranged inside the outer end of the keyboard shell, and the power switch is arranged in a key seam at one corner of the keyboard shell;

protection machanism includes inner chamber, commentaries on classics roller, wind spring, protecting film, pull rod, through the groove, the fixed block, the stuck in groove and spacing groove, the inner chamber is seted up in the inside of one end, the mid-mounting of inner chamber has the commentaries on classics roller, the both ends of changeing the roller are passed through the wind spring and are connected with keyboard casing inner wall, around having the protecting film on changeing the roller, the one end of protecting film is provided with the pull rod, the both ends at keyboard casing are fixed to the fixed block symmetry, the stuck in groove has been seted up at the outside middle part of fixed block, the spacing groove of intercommunication with it is seted up to the one end of stuck in groove.

Preferably, the inside UBS singlechip that is close to one corner position department of keyboard casing installs bluetooth module in one side of UBS singlechip, and charging chip is installed to bluetooth module's one side, and the lithium cell is installed to charging chip's one side.

Preferably, the charging chip adopts a TC4056A type charging chip.

Preferably, a through groove is formed in the keyboard shell at a position corresponding to the protective film.

Preferably, the inner cavity is isolated from a cavity mounted on a circuit board inside the keyboard shell.

Preferably, one side of the keyboard shell is provided with a USB interface connected with the UBS single chip microcomputer.

Has the advantages that: the utility model discloses the keyboard is when not using, pull out the pull rod, the pull rod pulling drives the protecting film, the protecting film is overcome under the spring force effect of the wind of commentaries on classics roller both ends, make the pull rod pull out the protecting film, the protecting film laminating of pulling out is in the region of the button of keyboard, enter into the spacing groove in it through the groove with the pull rod on by the fixed block of the keyboard casing other end, can carry on spacingly to the pull rod, thus, the protecting film of setting can protect the button on the keyboard casing, avoid the button on the keyboard casing to fall into more dust, during the use of keyboard, push away the pull rod to through the groove by the spacing groove, can be by pulling out through the inslot, under the effect of spring reset force, make the new book of protecting film on changeing the roller, be convenient for use as required, the protectiveness is good.

The utility model discloses novel structure thinks about ingeniously, can protect the keyboard region to the button on the keyboard casing, prevents that the button on the keyboard casing from falling into more dust, is favorable to the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the internal structure of the keyboard housing of the present invention;

FIG. 3 is a schematic diagram of the structure of A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the fixing block structure of the present invention;

FIG. 5 is a circuit diagram of the UBS single chip, the Bluetooth module, the charging chip and the lithium battery of the present invention;

reference numbers in the figures: 1. a keyboard housing; 2. pressing a key; 3. a protection mechanism; 31. an inner cavity; 32. rotating the roller; 33. A coil spring; 34. a protective film; 35. a pull rod; 36. passing through the slot; 37. a fixed block; 38. a clamping groove is formed; 39. A limiting groove; 4. UBS single-chip computer; 5. a Bluetooth module; 6. a charging chip; 7. a lithium battery; 8. and a power switch.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-5.

The first embodiment is given by fig. 1-5, the utility model provides a dual-mode keyboard, which comprises a keyboard shell 1 arranged outside, a plurality of keys 2 arranged on the keyboard shell 1, a protection mechanism 3, a UBS single chip microcomputer 4, a bluetooth module 5, a charging chip 6, a lithium battery 7 and a power switch 8, wherein the protection mechanism 3 is arranged inside the outer end of the keyboard shell 1, and the power switch 8 is arranged in a gap of the key 2 at one corner of the keyboard shell 1;

protection machanism 3 includes inner chamber 31, change roller 32, coil spring 33, protecting film 34, pull rod 35, pass through groove 36, fixed block 37, go into snap-in groove 38 and spacing groove 39, inner chamber 31 sets up the inside in one end, the mid-mounting of inner chamber 31 has changes roller 32, the both ends of changing roller 32 are passed through coil spring 33 and keyboard casing 1 inner wall connection, it has protecting film 34 to change around on the roller 32, the one end of protecting film 34 is provided with pull rod 35, the both ends at keyboard casing 1 are fixed to fixed block 37 symmetry, snap-in groove 38 has been seted up at the outside middle part of fixed block 37, spacing groove 39 with it communicates is seted up to the one end of snap-in groove 38.

When in specific use: when the keyboard of the utility model is not in use, the pull rod 35 is pulled out, the pull rod 35 pulls to drive the protective film 34, under the action of the protective film 34 overcoming the force of the coil spring 33 at the two ends of the rotating roller 32, so that the protective film 34 is pulled out by the pull rod 35, the pulled protective film 34 is attached to the area of the key 2 of the keyboard, the pull rod 35 enters the limiting groove 39 from the clamping groove 38 on the fixed block 37 at the other end of the keyboard shell 1, the pull rod 35 can be limited, so that the arranged protective film 34 can protect the keys 2 on the keyboard shell 1, prevent the keys 2 on the keyboard shell 1 from falling into more dust, when the keyboard is used, the pull rod 35 is pushed into the clamping groove 38 from the limiting groove 39, i.e. can be pulled out from the clamping groove 38, under the action of the restoring force of the coil spring 33, the protective film 34 is rolled on the rotating roller 32 again, so that the protective film is convenient to use as required, and the protective property is good.

Has the advantages that: the utility model discloses novel structure thinks about ingeniously, can protect the 2 regions of button of keyboard, prevents that button 2 on the keyboard casing 1 from falling into more dust, is favorable to using.

Example two

In the first embodiment, a dual-mode switching operation cannot be performed, referring to fig. 2, as another preferred embodiment, the difference from the first embodiment is that a UBS single chip 4 is installed inside the keyboard housing 1 near one corner, a bluetooth module 5 is installed on one side of the UBS single chip 4, a charging chip 6 is installed on one side of the bluetooth module 5, a lithium battery 7 is installed on one side of the charging chip 6, the keyboard can be used as a wireless keyboard through the installed bluetooth module 5, and meanwhile, the keyboard can be connected through a USB interface and used as a wired keyboard through the installed UBS single chip 4, and the circuit connection is as shown in fig. 5.

EXAMPLE III

In the second embodiment, the lithium battery 7 is inconvenient to charge, and referring to fig. 1, as another preferred embodiment, the difference from the second embodiment is that the charging chip 6 adopts a TC4056A type charging chip, so as to facilitate charging the lithium battery 7.

Example four

In the first embodiment, referring to fig. 2 and fig. 3, the protective film 34 is inconvenient to pass, and as another preferred embodiment, the difference from the first embodiment is that a passing groove 36 is formed at a position of the keyboard housing 1 corresponding to the protective film 34, so as to facilitate the passing use of the protective film 34.

EXAMPLE five

In the first embodiment, the keyboard housing 1 has insufficient waterproof performance, and referring to fig. 3, as another preferred embodiment, the difference from the first embodiment is that the inner cavity 31 is isolated from the cavity mounted on the circuit board inside the keyboard housing 1, so that the keyboard housing 1 has better sealing performance.

EXAMPLE six

Referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a USB interface connected with a UBS single chip 4 is disposed on one side of the keyboard housing 1, so as to facilitate connection and use of the keyboard housing 1 and the keyboard cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A dual-mode keyboard comprises a keyboard shell (1) arranged outside and a plurality of keys (2) arranged on the keyboard shell (1), and is characterized in that: the multifunctional keyboard comprises a keyboard shell (1) and is characterized by further comprising a protection mechanism (3), a UBS single chip microcomputer (4), a Bluetooth module (5), a charging chip (6), a lithium battery (7) and a power switch (8), wherein the protection mechanism (3) is arranged inside the outer end of the keyboard shell (1), and the power switch (8) is arranged in a key (2) seam at one corner of the keyboard shell (1);

protection machanism (3) are including inner chamber (31), change roller (32), wind spring (33), protecting film (34), pull rod (35), through groove (36), fixed block (37), go into card groove (38) and spacing groove (39), the inside in one end is seted up in inner chamber (31), the mid-mounting of inner chamber (31) has and changes roller (32), the both ends of changeing roller (32) are passed through wind spring (33) and keyboard casing (1) inner wall connection, it has protecting film (34) to wind on roller (32), the one end of protecting film (34) is provided with pull rod (35), the both ends in keyboard casing (1) are fixed to fixed block (37) symmetry, go into card groove (38) have been seted up at the outside middle part of fixed block (37), spacing groove (39) with it intercommunication are seted up to the one end of go into card groove (38).

2. The dual-mode keyboard of claim 1, wherein a UBS single chip microcomputer (4) is installed inside the keyboard housing (1) near a corner, a Bluetooth module (5) is installed on one side of the UBS single chip microcomputer (4), a charging chip (6) is installed on one side of the Bluetooth module (5), and a lithium battery (7) is installed on one side of the charging chip (6).

3. The dual-mode keyboard of claim 2, wherein the charging chip (6) is a TC4056A type charging chip.

4. The dual-mode keyboard of claim 1, wherein the keyboard housing (1) is provided with a through groove (36) corresponding to the position of the protective film (34).

5. A dual mode keyboard as claimed in claim 1, wherein said inner cavity (31) is isolated from a cavity in the keyboard housing (1) in which the circuit board is mounted.

6. The dual-mode keyboard of claim 1, wherein a USB interface connected to the UBS single chip microcomputer (4) is disposed at one side of the keyboard housing (1).

Images