CN210377379U

CN210377379U - Keyboard with projection function

Info

Publication number: CN210377379U
Application number: CN201921080695.3U
Authority: CN
Inventors: 范卫刚
Original assignee: Shenzhen Doking Electronic Technology Co Ltd
Current assignee: Shenzhen Doking Electronic Technology Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-21
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a take keyboard of projection function, include: the keyboard comprises a keyboard body and a supporting outer frame, wherein the keyboard body is connected with the supporting outer frame through a connecting piece and can rotate within the supporting outer frame by a preset angle through the connecting piece; the front surface of the keyboard body is provided with keyboard keys, the interior of the keyboard body comprises a projection main control board and a keyboard module, and the keyboard module is respectively electrically connected with the projection main control board and the keyboard keys; the keyboard body side is equipped with a through-hole, be equipped with the projecting apparatus ray apparatus on the projection main control board, the projecting apparatus ray apparatus aims at the through-hole. The utility model provides a take keyboard of projection function has solved current mobile office, and it is inconvenient to carry equipment such as projection equipment, keyboard, influences the problem of office efficiency.

Description

Keyboard with projection function

Technical Field

The utility model relates to a computer keyboard especially relates to a take keyboard of projection function.

Background

With the development of mobile internet technology, a high-efficiency and convenient mobile office mode gradually becomes a practical need. For persons with business, training, lecture, technical explanation and the like who do not have fixed office locations, the PPT demonstration and the lecture are frequently performed with customers or teams, and besides the projection equipment, the PPT demonstration and the lecture also comprise computer keyboards and other common equipment which are matched with the projection equipment for use. However, these devices are numerous and inconvenient to carry, and require a connection configuration when used, which also affects office efficiency.

Disclosure of Invention

For overcoming prior art's shortcoming, the utility model provides a take keyboard of projection function to in solving mobile office, the problem that office efficiency is not high.

A keyboard with projection functionality, comprising: the keyboard comprises a keyboard body and a supporting outer frame, wherein the keyboard body is connected with the supporting outer frame through a connecting piece and can rotate within the supporting outer frame by a preset angle through the connecting piece; the front surface of the keyboard body is provided with keyboard keys, the interior of the keyboard body comprises a projection main control board and a keyboard module, and the keyboard module is respectively electrically connected with the projection main control board and the keyboard keys; the keyboard body side is equipped with a through-hole, be equipped with the projecting apparatus ray apparatus on the projection main control board, the projecting apparatus ray apparatus aims at the through-hole.

In the keyboard with the projection function, the front side of the keyboard body is provided with the keyboard keys which have the key function; the keyboard body comprises a projection main control panel and a projector optical machine, and the projection main control panel and the projector optical machine can realize the function of a projector; the side surface of the keyboard body is provided with a through hole, and the projector optical machine is aligned to the through hole; the keyboard body is connected with the supporting outer frame through the connecting piece and can rotate in the supporting outer frame through the connecting piece. When the keyboard body and the supporting outer frame are kept horizontal, the projector optical machine is hidden in the supporting outer frame and can be used as a common keyboard; when the keyboard body rotates by a specific angle through the connecting piece, the projector light machine is exposed out of the supporting outer frame and can be used as a projector. Combine two kinds of using-way, above-mentioned keyboard of taking projection function can realize keyboard and projecting apparatus function, and portable has promoted the efficiency of mobile office.

Optionally, the keyboard module includes a keyboard upper cover, a key cap, a key module and a mode switching main board, the mode switching main board is electrically connected to the projection main control board, the mode switching main board is provided with the key module, the key module is covered with the key cap, and the keyboard upper cover covers the key cap and is in press fit with the keyboard body.

Optionally, a supporting reinforcing plate is arranged at the bottom of the mode switching main board.

Optionally, a USB interface is disposed on the mode switching board.

Optionally, the support outer frame comprises an outer frame upper cover and an outer frame lower cover, and the outer frame upper cover and the outer frame lower cover are made of magnesium aluminum alloy and are in a rectangular arc surface shape.

Optionally, a fixing hole is formed in the side surface of the keyboard body, a groove rail is arranged around the fixing hole, and a groove hole is formed in the groove rail; the connecting piece comprises a main rotating shaft, a clamping spring and an elastic shaft, and the clamping spring is sleeved on the elastic shaft; the main rotating shaft and one end of the elastic shaft are fixed on the inner side of the outer frame lower cover, the other end of the main rotating shaft is inserted into the fixing hole, and the other end of the elastic shaft is clamped in the groove hole.

Optionally, a power supply battery is arranged on the projection main control panel.

Optionally, an optical engine cooling fan is further disposed on the projection main control panel.

Optionally, a speaker is further disposed on the projection main control panel.

The utility model provides a keyboard with projection function, the keyboard module of which is composed of a keyboard upper cover, a keycap, a key module and a mode switching mainboard, each component is an independent component, which is convenient to disassemble and assemble; the mode switching main board is used for controlling switching between the projection function and the keyboard function; a support reinforcing plate is arranged below the mode switching main board in a cushioning mode, so that the mode switching main board can be isolated from the projection main control board, and the mode switching main board can be supported and reinforced, so that the pressure loss is avoided; the supporting outer frame consists of an outer frame upper cover and an outer frame lower cover, the outer frame upper cover and the outer frame lower cover are made of magnesium-aluminum alloy and are in rectangular arc shapes, the strength of the supporting outer frame shell can be improved, the service life is prolonged, and the supporting outer frame shell has the characteristics of tensile strength, compression resistance, bending resistance and wear resistance; the connecting piece comprises a main rotating shaft, a clamping spring and an elastic shaft, wherein the clamping spring is sleeved on the elastic shaft and corresponds to the elastic shaft, a fixing hole, a groove track and a groove hole are formed in the side face of the keyboard body, one end of the main rotating shaft and one end of the elastic shaft are both fixed with the inner side of the outer frame lower cover, the other end of the main rotating shaft penetrates into the fixing hole, and the other end of the elastic shaft is clamped in the groove hole, so that the keyboard body can rotate along the rotating shaft, and the multi-angle projection effect is realized; a power supply battery is arranged on the projection main control panel, so that the electric quantity can be conveniently supplied in the mobile office process; in addition, still be equipped with ray apparatus radiator fan and speaker on the projection main control board, wherein, ray apparatus radiator fan is used for the heat dissipation, and the speaker can provide sound effect for when using the projection function.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic front and bottom view of an embodiment of the present invention;

fig. 3 is a schematic view of the embodiment of the present invention in a state that the projection function is accommodated;

fig. 4 is an exploded view of a keyboard with a projection function according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connecting member in an embodiment of the present invention;

FIG. 6 is a schematic view of the multi-angle support in the application process of the projection function in the embodiment of the present invention;

the reference numerals in the specification are as follows:

1. a keyboard body; 11. a fixing hole; 12. a groove track; 13. a groove hole; 2. a support frame; 21. an outer frame upper cover; 22. an outer frame lower cover; 31. a main rotating shaft; 32. a clamping spring; 33. a spring shaft; 4. a keyboard module; 41. a keyboard upper cover; 42. a keycap; 43. a key module; 44. a mode switching main board; 441. supporting the reinforcing plate; 442. a USB interface; 5. a projection main control panel; 51. a projector light machine; 52. a power supply battery; 53. a light machine cooling fan; 54. a speaker; 6. a through hole; 7. a keyboard key; 8. an anti-skid foot pad.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A keyboard with a projection function is characterized in that when the projection function is used, as shown in figure 1, a keyboard body 1 is connected with a supporting outer frame 2 through a connecting piece, when the keyboard body rotates, the keyboard body and the supporting outer frame form a preset angle to form a support of a projector, and a through hole 6 in the keyboard body is exposed, so that a light beam of a projector optical machine 51 can be emitted from the through hole to perform projection. When not using the projection function, as shown in fig. 2 and fig. 3, the plane of the keyboard body is flush with the supporting outer frame, the projector light machine is hidden in the supporting outer frame, and a user can put the keyboard into a pocket, so that the portable projector light machine is convenient to carry.

The preset angle can be between 0 ° and 120 °, preferably between 0 ° and 60 °, and a wide projection viewing angle can be formed; the connecting piece can be a screw and nut structure or a rotating shaft and the like; the keyboard may be a conventional standard keyboard, preferably a numeric keyboard with function keys. When the keyboard is connected with the computer equipment, a user can realize the soft switching function through the combination of the function keys and the number keys on the keyboard as the conventional method of using the function keys to adjust the brightness of the display and the volume of the computer equipment, and the mode switching is carried out on the function of the number keyboard and the function of the projector. The keyboard with the projection function has novel appearance and light volume, and can be used as a projector when being unfolded; when the keyboard is folded with the bracket, the keyboard can be directly used as the keyboard, and can be flexibly used with a small-size notebook computer without a keyboard of a numeric area.

The projector light machine, namely a micro projector, the external projection lens of the projector light machine is aligned to the through hole, the projector light machine also comprises an LCOS panel, a prism and a light source lamp, light beams generated by the light source lamp are irradiated on the LCOS panel through the prism, and then reflected light is formed by the LCOS panel, so that the projection effect is realized. The LCOS, namely Liquid Crystal on Silicon, is a matrix Liquid Crystal display device which is based on a reflection mode and has a very small size, and is structurally characterized in that a transistor grows on monocrystalline Silicon, a driving panel is manufactured by utilizing semiconductor integration, an aluminum film-plated electrode is used as a reflector after being ground flat by a grinding technology to form a CMOS substrate, the CMOS substrate is attached to a glass (ITO) electrode plate containing a transparent electrode, then Liquid Crystal is injected, and packaging is carried out to obtain the LCOS panel. Because of the adoption of the LCOS imaging technology, the projector optical machine has the characteristics of high resolution, fine and smooth image, high brightness, high response speed and high aperture opening ratio, and meanwhile, the service life of the projector optical machine is as long as 2 ten thousand hours.

Further, in an embodiment, as shown in fig. 4, the keyboard module 4 includes a keyboard upper cover 41, a key cap 42, a key module 43 and a mode switching main board 44, the mode switching main board is electrically connected to the projection main control board, the key module is disposed on the mode switching main board, the key module is covered with the key cap, the keyboard upper cover is covered on the key cap, and is pressed with the keyboard body; the keyboard upper cover, the keycap, the key module and the mode switching main board are all independently assembled components, so that the keyboard upper cover, the keycap, the key module and the mode switching main board are convenient to disassemble and assemble, and convenience is brought to maintenance; the mode switching mainboard can provide hardware support for mode switching of the keyboard and the projection function; the button module adopts Metal dome, so that the keyboard has the characteristics of shorter stroke, more labor-saving typing and strong feedback force.

Further, in an embodiment, as shown in fig. 4, a supporting reinforcement plate 441 is disposed at the bottom of the mode switching main board. Support reinforcing plate pad in mode switching mainboard below, can keep apart the projection main control board to switch the mainboard to the mode and play support and reinforced effect, avoid the pressure loss.

Further, in an embodiment, as shown in fig. 4, the mode switching board is provided with a USB interface 442. The USB interface includes but is not limited to a Type C interface, and can support various interfaces including a USB 3.1 specification, so that connection of android system equipment and apple system equipment is realized.

Further, in an embodiment, as shown in fig. 4, the support frame includes a frame upper cover 21 and a frame lower cover 22, and the frame upper cover and the frame lower cover are made of magnesium-aluminum alloy and have a rectangular arc shape. The magnesium-aluminum alloy can improve the strength of the supporting outer frame shell, prolongs the service life, and has the characteristics of tensile strength, compression resistance, bending resistance and wear resistance. The outer frame upper cover and the outer frame lower cover are in rectangular arc shapes, have no edges and corners, and are small and exquisite in shape and convenient to place in a pocket. The bottom of the keyboard body is provided with an anti-skidding foot pad 8 for preventing the keyboard body from sliding on a smooth plane.

Further, in an embodiment, as shown in fig. 4, the projection main control board is further provided with a power supply battery 52, an optical engine cooling fan 53 and a speaker 54. Wherein, the power supply battery is used for supplying power for the projecting apparatus, and the power supply battery can adopt the polymer lithium cell, uses when being convenient for go out official working. The optical machine cooling fan is used for cooling the equipment, understandably, and the shell of the keyboard body can adopt a hollow design for matching a cooling function, so that heat can be conveniently discharged. The loudspeaker is used for playing sound effects, and in mobile office, the trouble of being equipped with sound equipment can be avoided. The number of optical engine cooling fans and speakers is not limited herein.

Further, in an embodiment, as shown in fig. 5 and 6, the side surface of the keyboard body is provided with a fixing hole 11, a groove track 12 is arranged around the fixing hole, and a groove hole 13 is arranged in the groove track; the connecting piece comprises a main rotating shaft 31, a clamping spring 32 and an elastic shaft 33, and the clamping spring is sleeved on the elastic shaft; the inboard of frame lower cover is all fixed to the one end of main pivot and bullet axle, and the other end of main pivot inserts in the fixed orifices, plays the other end card of axle in the recess hole.

Preferably, the main rotating shaft adopts magnesium-aluminum alloy damping, can rotate at 0-120 degrees, has the service life of more than 30000 times, and has the attenuation rate of not more than 20%.

Preferably, the projected support angle may be set to cycle between 0 degrees, 20 degrees, 40 degrees, and 60 degrees, that is, the groove track is circular around the fixing hole with the fixing hole as a center, and 4 groove holes are distributed in the groove track according to the support angle. When the keyboard body rotates, the clamping spring contracts, the keyboard body drives the protruding bone position of the elastic shaft to slide on the groove track through the main rotating shaft, the protruding bone position of the elastic shaft is guided into the groove hole, and then the clamping spring rebounds to play roles of clamping and fixing. The whole process can enable the keyboard main body to rotate more laborsavingly, so that the upper and lower angles can be adjusted without using adjusting support legs on a traditional projector support, and the keyboard support is convenient and practical.

The above is to the utility model discloses take keyboard of projection function to expound for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope of the utility model.

Claims

1. A keyboard with a projection function is characterized by comprising: the keyboard comprises a keyboard body and a supporting outer frame, wherein the keyboard body is connected with the supporting outer frame through a connecting piece and can rotate within the supporting outer frame by a preset angle through the connecting piece; the front surface of the keyboard body is provided with keyboard keys, the interior of the keyboard body comprises a projection main control board and a keyboard module, and the keyboard module is respectively electrically connected with the projection main control board and the keyboard keys; the keyboard body side is equipped with a through-hole, be equipped with the projecting apparatus ray apparatus on the projection main control board, the projecting apparatus ray apparatus aims at the through-hole.

2. The keyboard with projection function of claim 1, wherein the keyboard module comprises a keyboard upper cover, a key cap, a key module and a mode switching main board, the mode switching main board is electrically connected to the projection main board, the key module is disposed on the mode switching main board, the key module is covered with the key cap, and the keyboard upper cover is covered on the key cap and is pressed with the keyboard body.

3. The keyboard with projection function of claim 2, wherein the mode switching main board is provided with a support reinforcing plate at the bottom.

4. The keyboard with projection function of claim 2, wherein the mode switch board is provided with a USB interface.

5. The keyboard with projection function of claim 1, wherein the support frame comprises an upper frame cover and a lower frame cover, the upper frame cover and the lower frame cover are made of magnesium-aluminum alloy and are in rectangular arc shape.

6. The keyboard with projection function of claim 5, wherein the side of the keyboard body is provided with a fixing hole, a groove track is arranged around the fixing hole, and a groove hole is arranged in the groove track; the connecting piece comprises a main rotating shaft, a clamping spring and an elastic shaft, and the clamping spring is sleeved on the elastic shaft; the main rotating shaft and one end of the elastic shaft are fixed on the inner side of the outer frame lower cover, the other end of the main rotating shaft is inserted into the fixing hole, and the other end of the elastic shaft is clamped in the groove hole.

7. The keyboard with projection function of claim 1, wherein the projection main control panel is provided with a power supply battery.

8. The keyboard with projection function as claimed in any one of claims 1 to 7, wherein the projection main control board is further provided with an optical engine heat dissipation fan.

9. The keyboard with projection function of claim 8, wherein the projection main control panel is further provided with a speaker.