CN210295041U - Keyboard with Bluetooth wireless transmission and wired transmission and positioning structure thereof - Google Patents

Abstract

The utility model relates to a keyboard and location structure with bluetooth wireless transmission and wire transmission, keyboard include shell, film keyboard, circuit board, key cap support piece, keyboard support frame, bluetooth transceiver module, USB interface and power module, USB interface and bluetooth transceiver module and circuit board electric connection, key cap support piece is silica gel material, the keyboard support frame sets up in the shell bottom, and it is equipped with the anti-skidding rubber cover still to overlap on the keyboard support frame. The keyboard has the function of bluetooth wireless transmission and the dual mode automatic switch-over of wired transmission, and the membrane keyboard dustproof and waterproof splash performance is good, and reliable operation, key cap support piece adopt silica gel material, have good elasticity, cover the membrane keyboard, can further waterproof dustproof, have dual protecting effect. Still the cover is equipped with anti-skidding rubber sleeve on the keyboard support frame, and this anti-skidding rubber sleeve is placed the plane with the keyboard and is the face contact, and area of contact is big, increases frictional force, improves anti-skidding effect.

Description

Keyboard with Bluetooth wireless transmission and wired transmission and positioning structure thereof

Technical Field

The utility model relates to a keyboard technical field especially relates to a keyboard and location structure with bluetooth wireless transmission and wired transmission dual mode automatic switch-over.

Background

The Chinese patent with the patent number of CN02159954.8 and the name of 'a method for realizing the function of a wired and wireless universal Bluetooth keyboard', discloses a wired and wireless universal Bluetooth keyboard, when a cable connected with a main device is inserted into a USB interface, the Bluetooth related function of a Bluetooth module is forbidden, the Bluetooth module is only used as a keyboard scanning circuit, and at the moment, the Bluetooth keyboard is a standard USB Human Interface (HID) device; when the USB interface is not inserted with a cable connected with the main device, the Bluetooth related function of the Bluetooth module is started, and the keyboard scanning circuit works simultaneously, at this time, the Bluetooth keyboard is a standard Bluetooth Human Interface (HID) device. The wired and wireless universal Bluetooth keyboard enables a user to change the Bluetooth keyboard into a wired keyboard by inserting the USB cable in occasions where the Bluetooth keyboard cannot be normally used, such as battery power shortage, serious wireless interference and the like, thereby greatly enhancing the usability of the Bluetooth keyboard.

The existing lottery machine adopting the Bluetooth keyboard for transmission is relatively insufficient in security, because the security level requirement of lottery transaction is very high, and the risk of selling lottery tickets for stealing the lottery due to the Bluetooth access of external equipment exists. The existing keyboard has poor protection performance, the keyboard support frame is not provided with a rubber sleeve or has the rubber sleeve, but the contact surface of the rubber sleeve and the placing plane is small (approximate line contact), and the anti-skidding rubber pad at the bottom of the existing keyboard can only be in full contact with the keyboard placing plane in one state when the keyboard support frame is opened or closed, so that the anti-skidding effect is poor, the keyboard is easy to slip, drop and damage, does not have waterproof performance, and the replacement cost is high and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a keyboard and location structure with bluetooth wireless transmission and the double mode automatic switch-over of wired transmission, the protectiveness is better, and is not fragile.

The utility model provides a technical scheme is: the utility model provides a keyboard with double mode automatic switch-over of bluetooth wireless transmission and wired transmission, includes shell, film keyboard, circuit board, key cap support piece, keyboard support frame, bluetooth transceiver module, USB interface and power module, USB interface and bluetooth transceiver module and circuit board electric connection, power module provides the power for the circuit board, key cap support piece is the silica gel material, provides the restoring force that resets for the key cap, the keyboard support frame sets up in the shell bottom for the angle of adjustment keyboard, still the cover is equipped with the anti-skidding rubber cover on the keyboard support frame, and the plane that the anti-skidding rubber cover was placed with the keyboard is the face contact, and area of contact is big.

The keyboard support frame is in an open state and a closed state, and the keyboard anti-slip rubber pads can be guaranteed to be in good surface contact with the placed plane.

The 'confirm' key on the keyboard adopts a four-key-position design, and the 'quit' and 'delete' keys adopt a two-key-position design.

The keyboard is characterized in that the bottom of the keyboard is also provided with two pin holes for matching with external positioning pins.

The utility model provides another kind of technical scheme does: the keyboard positioning structure comprises the keyboard and the fixing support, wherein an inclined keyboard placing surface is arranged on the fixing support, two positioning pins are arranged on the fixing support, and two pin holes in the keyboard are matched with the positioning pins.

The utility model has the advantages that: the keyboard is mainly applied to a lottery machine and has the function of automatically switching between a Bluetooth wireless transmission mode and a wired transmission mode, when a USB interface is not inserted into a wired cable of the keyboard, the wired cable is used as a wireless keyboard, data are transmitted through the Bluetooth, when the wired cable of the keyboard is inserted into the USB interface, the Bluetooth transceiver module is automatically disabled and switched into the wired keyboard, and the double-mode work is automatically switched. The membrane keyboard is a flexible PCB, comprises two-layer film, and dustproof and waterproof spatters the performance well, and reliable operation, the key cap support piece adopts silica gel material, has good elasticity, presses the key cap, and the key cap support piece is following the deformation, but it can kick-back, makes the key cap resume original position, and key cap supporting component covers membrane keyboard, can further waterproof dustproof, has dual protection effect. The keyboard support frame is arranged at the bottom of the shell and can be opened or closed for adjusting the angle of the keyboard, the keyboard support frame is further sleeved with an anti-slip rubber sleeve, the anti-slip rubber sleeve is in surface contact with a plane where the keyboard is placed, the contact area is large, friction force can be increased, and the anti-slip effect is improved.

In addition, the anti-skidding rubber pads of special design are arranged at the bottom of the keyboard, so that the anti-skidding rubber pads can be in good surface contact with the keyboard placing plane when the keyboard supporting frame is in an opening state and a closing state, friction force is increased, and an anti-skidding effect is improved. After the protection of the keyboard is improved, the probability of accidental damage is reduced, and the cost for replacing the keyboard is reduced.

Drawings

FIG. 1 is a side view of an embodiment of the keyboard of the present invention;

FIG. 2 is a top view of an embodiment of the keyboard of the present invention;

fig. 3 is a schematic view of the keyboard support of the present invention when retracted;

fig. 4 is a schematic view of the keyboard support of the present invention when opened;

fig. 5 is a schematic view of the keyboard of the present invention with the upper part of the casing removed;

fig. 6 is a schematic structural diagram of the membrane keyboard of the present invention;

FIG. 7 is a schematic structural view of the key cap support of the present invention;

fig. 8 is a schematic structural view of the fixing bracket of the present invention;

fig. 9 is a schematic structural view of the keyboard of the present invention fixed to the fixing bracket.

Wherein, 1, a shell; 2. a membrane keypad; 3. a circuit board; 4. a keycap; 5. a keycap support; 6. a keyboard support frame; 7. a keyboard lock; 8. a power supply module; 9. an anti-slip rubber sleeve; 10. an anti-skid rubber pad; 11. a confirmation key; 12. an exit key; 13. a delete key; 14. fixing a bracket; 15. positioning a pin; 16. a USB interface; 17. a pin hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As the embodiment of the keyboard with the double mode automatic switch-over of bluetooth wireless transmission and wired transmission, as shown in fig. 1 to 7, including shell 1, film keyboard 2, circuit board 3, key cap 4, key cap support piece 5, keyboard support frame 6, bluetooth transceiver module, USB interface 7 and power module 8, USB interface 7 and bluetooth transceiver module and circuit board 3 electric connection, power module 8 provides the power for circuit board 3, key cap support piece 5 is the silica gel material, provides the restoring force that resets for key cap 4, keyboard support frame 6 sets up in shell 1 bottom for the angle of adjustment keyboard, still the cover is equipped with anti-skidding rubber sleeve 9 on keyboard support frame 6, anti-skidding rubber sleeve 9 places the plane with the keyboard and is the face contact.

When the keyboard support frame 6 is closed, the keyboard is horizontally placed on the desktop; when the keyboard support frame 6 is opened, the keyboard is obliquely placed on the desktop.

In this embodiment, the bottom of the housing 1 is further provided with an anti-slip rubber pad 10, and the anti-slip rubber pad 10 is in surface contact with the keyboard placing plane in both the open state and the closed state of the keyboard support frame. The anti-skid rubber pad 10 can be ensured to be in surface contact with a contact surface in two states on a host keyboard support or a desktop, so that friction is increased, and the keyboard is not easy to move or fall on the ground after being touched.

In the present embodiment, the "enter" key 11 on the keyboard is designed with four key positions, and the "exit" key 12 and the "delete" key 13 are designed with two key positions. The key with the highest use frequency adopts the design of four key positions and two key positions to prevent misoperation.

In this embodiment, the bottom of the keyboard is further opened with two pin holes 13 for cooperating with external positioning pins 15.

The keyboard is mainly applied to a lottery machine and has the function of automatically switching between a Bluetooth wireless transmission mode and a wired transmission mode, when a USB interface is not inserted into a wired cable of the keyboard, the wired cable is used as a wireless keyboard, data are transmitted through the Bluetooth, when the wired cable of the keyboard is inserted into the USB interface, the Bluetooth transceiver module is automatically disabled and switched into the wired keyboard, and the double-mode work is automatically switched. The membrane keyboard 2 is a flexible PCB, comprises two-layer film, and dustproof and waterproof spatters the performance well, and reliable operation, key cap support piece 5 adopts silica gel material, has good elasticity, presses key cap 4, and key cap support piece 5 is following the deformation, but it can kick-back, makes key cap 4 resume original position, and key cap support piece 5 covers membrane keyboard 2, can further waterproof dustproof, has dual protection effect. Keyboard support frame 6 sets up in 1 bottom of shell, can open or close for the angle of adjustment keyboard, still the cover is equipped with anti-skidding rubber sleeve 9 on the keyboard support frame 6, and the plane that anti-skidding rubber sleeve and keyboard were placed is the face contact, and area of contact is big, can increase frictional force, improves anti-skidding effect, in addition, the keyboard bottom is equipped with special design's anti-skidding rubber pad 10, guarantees when keyboard support frame 6 opens and closed two kinds of states, and anti-skidding rubber pad 10 can both place the plane with the keyboard and form good face contact, thereby increases frictional force, improves anti-skidding effect. The problem that the antiskid effect is poor when the keyboard support frame 6 is lifted can be avoided. After the protection of the keyboard is improved, the probability of accidental damage is reduced, and the cost for replacing the keyboard is reduced.

As an embodiment of the location structure of keyboard, as shown in fig. 8 and fig. 9, including the above keyboard and the fixed bolster 14, be equipped with the keyboard face of placing of slope on the fixed bolster 14, be equipped with two dowel holes 15 on the fixed bolster 14, two dowel holes 13 on the keyboard with dowel 15 looks adaptation. After the positioning pin 15 is inserted into the pin hole 13, the keyboard cannot shake, and the keyboard is prevented from falling after being touched.

The keyboard still adopted encryption transmission: the physical key values of 10 sets of code tables correspond to real keys, one of the key values is randomly selected during working, an external keyboard is prevented from being illegally accessed, the keyboard lock 7 is arranged, the keyboard can be used only by opening the keyboard lock 7, the ergonomic design is adopted, the keyboard design is larger than the keyboard design of the key spacing of a standard keyboard, the adjacent keys are prevented from being touched by mistake during quick operation, input errors are prevented, and the use is more comfortable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a keyboard with bluetooth wireless transmission and wired transmission, includes shell, film keyboard, circuit board, key cap support piece, keyboard support frame, bluetooth transceiver module, USB interface and power module, USB interface and bluetooth transceiver module and circuit board electric connection, power module provides the power for the circuit board, its characterized in that, key cap support piece is the silica gel material, provides the restoring force that resets for the key cap, the keyboard support frame sets up in the shell bottom for the angle of adjustment keyboard, still the cover is equipped with the non-slip rubber cover on the keyboard support frame, the non-slip rubber cover is placed the plane with the keyboard and is the face contact.

2. The keyboard with Bluetooth wireless transmission and wired transmission of claim 1, wherein the bottom of the housing is further provided with an anti-slip rubber pad, and the anti-slip rubber pad is in surface contact with the keyboard placing plane in both the open state and the closed state of the keyboard support frame.

3. The keyboard with bluetooth wireless transmission and wired transmission according to claim 1, wherein the "confirm" key on the keyboard is designed with four keys, and the "exit" and "delete" keys are designed with two keys.

4. The keyboard with Bluetooth wireless transmission and wired transmission according to claim 1, wherein the bottom of the keyboard is further provided with two pin holes for matching with external positioning pins.

5. A positioning structure of a keyboard, comprising the keyboard with Bluetooth wireless transmission and wired transmission and a fixing bracket as claimed in claim 4, wherein the fixing bracket is provided with an inclined keyboard placing surface, the fixing bracket is provided with two positioning pins, and two pin holes on the keyboard are matched with the positioning pins.

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