CN111208908A

CN111208908A - Multifunctional Laptop Keyboard

Info

Publication number: CN111208908A
Application number: CN201911102888.9A
Authority: CN
Inventors: 张旺; 蔡佳丽; 胡光伟; 林峰; 廖江威
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-05-29
Anticipated expiration: 2039-11-12
Also published as: CN111208908B

Abstract

The invention relates to the technical field of computer accessories, and discloses a multifunctional notebook keyboard, comprising an upper shell, a lower shell and a keyboard body sandwiched in a closed space formed by the upper shell and the lower shell, the upper shell and the lower shell. The body is detachably connected by a limit mechanism; the upper shell is covered with a sealing plate on the surface facing the lower shell, and the sealing plate has a plurality of gaps that are adapted to the buttons of the keyboard body, and the gap is laid with a silica gel sheet, and the upper shell is There are a plurality of through holes matching the gaps on the sealing plate, and a pressing sealing sheet is embedded horizontally in the through holes, and a pressing connecting rod is vertically installed between the pressing sealing sheet and the silicone sheet, and the other surface of the pressing sealing sheet is connected with the pressing A key cap fixing device is arranged at the corresponding position of the rod, and a key cap is covered on the key cap fixing device. The structure of the limit mechanism is ingenious and can be disassembled at any time; the negative pressure mechanism can cool the computer, and the exhaust pipe can also exhaust the air in the sealed space, so that the annular sealing ring fits the bottom wall of the groove to ensure the use effect of the keyboard body.

Description

Multifunctional notebook keyboard

Technical Field

The invention relates to the technical field of computer accessories, in particular to a multifunctional notebook keyboard.

Background

Along with the development of computer technology, the forms of computers are more and more diversified, the traditional desktop computer is developed to the notebook computer which is commonly used at present, but due to the problem of size, the keyboard of the notebook computer is inconvenient to fast type and input, and people usually adopt an external keyboard to input a large amount of characters when using the notebook computer.

At present, two types of commonly used external keyboards are provided, one type is an ultra-thin Bluetooth keyboard or a USB interface keyboard, and the other type is a keyboard with a protective sleeve, wherein the keyboard with the protective sleeve is more complex in dismounting mode and can be dismounted only by a specific tool, and once a fault occurs, the dismounting and mounting are inconvenient; in addition, the common waterproof effect of the external keyboard on the market is poor at present, and when the keyboard is used, if the external keyboard is carelessly sprinkled on the keyboard, the problems of keyboard damage and the like can be caused.

Disclosure of Invention

The invention solves the technical problem of overcoming the defects of the prior art and provides the multifunctional notebook keyboard which is convenient to disassemble and assemble, has a good cleaning effect and can assist in heat dissipation.

The purpose of the invention is realized by the following technical scheme:

a multifunctional notebook keyboard comprises an upper shell, a lower shell and a keyboard body clamped in a closed space formed by the upper shell and the lower shell, wherein the upper shell and the lower shell are detachably connected through a limiting mechanism; go up the casing and cover in the surface department of casing down and have the closing plate, have a plurality ofly on the closing plate and keyboard body button adaptation the breach, lay the silica gel piece in the breach, go up the casing and offer a plurality ofly and the closing plate on the through-hole that the breach matches, the level inlays to establish in the through-hole presses the gasket, press and install perpendicularly between gasket and the silica gel piece and press the connecting rod, press another on the surface of gasket with press the connecting rod position department of correspondence and be equipped with key cap fixing device, the key cap is established to key cap fixing device upper cover.

Furthermore, a groove is formed in the inner wall of the through hole of the upper shell, the pressing sealing piece is embedded into the groove, the circumferential edge of the pressing sealing piece is also vertically connected with an annular connecting block towards the sealing plate, an annular sealing ring extending towards the center of the through hole is arranged at the tail end of the annular connecting block, and the annular sealing ring and the pressing sealing piece are arranged in parallel.

Further, stop gear is including locating the outer peripheral lower fixed block of edge of inferior valve body, locate the last fixed block that the casing neighboring just corresponds with lower fixed block position, it is foraminiferous cylinder structure to go up the fixed block, the lower fixed block is for having open-ended fork foot structure, it is in the laminating state with lower fixed block at last casing when with lower casing closure to go up the fixed block, go up the downthehole dead lever that sets up of fixed block, the dead lever runs through down the fixed block and runs through the tip and be cylindrical, a stopper is established to the cylindrical tip movable sleeve of dead lever, torsion spring is established to dead lever periphery cover, torsion spring one end is connected with last fixed block, the other end meets with the stopper, the stopper can realize casing and lower casing separation after rotatory to.

Furthermore, the upper shell and the lower shell are provided with annular sealing frames matched with each other at the inner peripheral edge, and the upper shell is provided with a rubber sealing ring in the annular sealing frames.

Furthermore, the annular sealing frame is designed in a stepped manner.

The vacuum pump comprises an upper shell, a lower shell and a negative pressure mechanism, wherein the upper shell is provided with a closed space, the lower shell is provided with a closed space, the upper shell is provided with a gas inlet, the lower shell is provided with a gas outlet, the gas outlet is provided with a gas outlet pipe, and the other end of the gas outlet pipe extends into the closed space formed by the upper shell and the lower shell; the keyboard body is connected with a data line with a USB interface, and the data line is provided with a branch electrically connected with the micro vacuum pump.

Furthermore, the sealing plate is provided with an air exhaust through hole at the passing position of the air exhaust pipe, and a branch pipe is connected between the air exhaust through hole and the air exhaust pipe.

And furthermore, the air exhaust through hole is a threaded hole, and the branch pipe is in threaded connection with the air exhaust through hole.

Furthermore, the notebook computer air-extracting tube further comprises a clamping joint inserted in the heat-radiating opening of the notebook computer, the clamping joint is connected with the middle section of the air-extracting tube through a heat-radiating tube, and the heat-radiating tube is communicated with the air-extracting tube.

Furthermore, the outer surface of the lower shell is provided with an anti-skid pad.

Compared with the prior art, the invention has the following beneficial effects:

1) the limiting mechanism connecting the upper shell and the lower shell in series has an ingenious structure, can be disassembled and assembled at any time, does not need additional tools, and is convenient for replacing and maintaining the keyboard body;

2) the upper shell and the lower shell are sealed in a step-shaped manner, so that the sealing effect can be effectively enhanced, and sundries cannot enter the upper shell and the lower shell to influence the keyboard body;

3) the negative pressure mechanism is creatively introduced, after the keyboard body is electrically connected with the computer, the negative pressure mechanism is started, the heat of the heat dissipation port of the computer can be immediately pumped out by the heat dissipation pipe and released to the outside through the micro vacuum pump, and the temperature is reduced in the operation process of the computer; in addition, the exhaust tube still can be bled to the sealed space that last casing and inferior valve body formed, further strengthens the leakproofness in it, makes the ring type seal firmly laminate the recess diapire simultaneously, guarantees leakproofness, security and the result of use of keyboard body button.

Drawings

Fig. 1 is a top view of a multifunctional notebook keyboard lower case and a negative pressure mechanism according to embodiment 1;

fig. 2 is a schematic rear view of the upper case according to embodiment 1;

fig. 3 is a partial sectional view of the upper case according to embodiment 1;

fig. 4 is a partial sectional view of the stopper mechanism according to embodiment 1.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are provided for illustrative purposes only and are not intended to be limiting; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1, 2 and 3, a multifunctional notebook computer keyboard is provided, which comprises an upper casing 1, a lower casing 2 and a keyboard body (not shown) clamped in a closed space formed by the upper casing and the lower casing, wherein the keyboard body is a prior art, and the upper casing 1 and the lower casing 2 are detachably connected through a limiting mechanism; as shown in fig. 2, the upper case 1 is covered with a sealing plate 3 on the surface facing the lower case, the sealing plate 3 is provided with a plurality of notches 31 adapted to the buttons of the keyboard body, as shown in fig. 3, a silica gel sheet 32 is laid in the notches 31, the upper case 1 is provided with a plurality of through holes 11 matched with the notches 31 on the sealing plate, a pressing sealing sheet 12 is horizontally embedded in the through holes 11, a pressing connecting rod 13 is vertically installed between the pressing sealing sheet 12 and the silica gel sheet 32, another surface of the pressing sealing sheet 12 is provided with a keycap fixing device 14 at the position corresponding to the pressing connecting rod 13, the keycap fixing device is covered with a keycap (not shown), the keycap fixing device and the keycap are both in the prior art.

Specifically, go up casing through-hole 11 inner wall and offer recess 15, press in gasket 12 embedding recess 15, press gasket 12 and be circular, press gasket 12 circumference edge still vertical be connected with towards the annular connecting block 16 of closing plate, annular connecting block 16 end is equipped with the annular seal 17 that extends towards the through-hole center, annular seal 17 with press gasket 12 parallel arrangement, the terminal setting under the laminating recess 15 of annular seal 17 lower surface.

The keyboard body is located between closing plate 3 and the lower casing 2, can drive through pressing the key cap and press connecting rod 13 and move down, presses connecting rod 13 and moves down and make silica gel piece 32 deformation contact keyboard body to realize keyboard output function.

Referring to fig. 1, 2 and 4, the limiting mechanism includes a lower fixing block 41 disposed at four corners of the peripheral edge of the lower casing 2, an upper fixing block 42 disposed at the peripheral edge of the upper casing 1 and corresponding to the lower fixing block, the upper fixing block 42 is a cylindrical structure with a hole, the lower fixing block 41 is a fork structure with an opening 43, a connection through hole is disposed at the center of the fork structure, the upper fixing block 42 and the lower fixing block 41 are in a joint state when the upper casing and the lower casing are closed, a fixing rod 44 is fixedly disposed in the hole of the upper fixing block 42, the fixing rod 44 penetrates through the connection through hole of the lower fixing block and has a cylindrical penetrating end (generally, the fixing rod is a cylindrical rod), a limiting block 45 is movably sleeved on the cylindrical end of the fixing rod 44, a torsion spring 46 is sleeved on the periphery of the fixing rod 44, one end of the torsion spring, the stopper is the strip, and when the dead lever was located down fixed block connect the via hole, the both ends distribution of strip stopper was at connect the via hole diameter both ends, and lower fixed block has the passageway that can supply the stopper to pass in connect the via hole periphery (except the opening of fork foot structure promptly, also the corresponding notch that is equipped with in connect the via hole opposite side department with the opening coaxial line), when needs are relieved fixedly, rotates the stopper and can realize the separation of casing and lower casing behind the fixed block opening part.

In order to enable the closed space between the upper shell and the lower shell to be in a sealed state, annular sealing frames 5 which are matched with each other are arranged at the inner peripheral edges of the upper shell 1 and the lower shell 2, and rubber sealing rings 6 are arranged in the annular sealing frames of the upper shell. The annular sealing frame can be further designed in a step manner, so that the sealing effect is effectively enhanced.

The notebook keyboard of the embodiment has the functions of easy disassembly and assembly and good sealing performance, and also has the functions of heat dissipation of the notebook, improvement of the operation safety of the keyboard body and the like, and particularly, the notebook keyboard is further provided with a negative pressure mechanism capable of exhausting air to a closed space formed by the upper shell and the lower shell, wherein the negative pressure mechanism comprises a micro vacuum pump 71, the model of the micro vacuum pump is myp3701, the voltage of the micro vacuum pump is 5V, an air inlet of the micro vacuum pump is connected with an air exhaust pipe 72, and the other end of the air exhaust pipe 72 extends into the closed space formed by the upper shell 1 and the; the keyboard body is connected with a data line 74 with a USB interface 73, the USB interface is matched with a data interface of a notebook computer, the side wall of the lower shell is provided with a hole for the data line to extend out, the data line 74 is provided with a branch 75 electrically connected with a micro vacuum pump 71, when the USB interface is inserted into the data interface of the notebook computer, on one hand, the notebook keyboard can work, and simultaneously the micro vacuum pump 71 is started to work to generate negative pressure, the notebook computer also comprises a clamping joint 76 inserted at the heat dissipation port of the notebook computer (the length of the clamping joint is less than that of the heat dissipation port of the notebook computer, the clamping joint is of a structure similar to a common USB interface as long as the clamping joint can be matched with the heat dissipation port and can lead heat out to the heat dissipation pipe), the clamping joint 76 is connected with the middle section of the air dissipation pipe through the heat dissipation pipe 77, the heat dissipation pipe 77 is communicated with the air dissipation, The air in the enclosure space that the lower casing body formed is taken out, can pass through miniature vacuum pump with heat sink department heat instant discharge, plays high-efficient cooling effect to notebook computer. The exhaust tube and the data line are packaged together through plastic, so that the effect of protection is achieved, and meanwhile, the aesthetic feeling is also improved.

The negative pressure mechanism is disposed within a housing 78, and the bayonet 76 is mounted on the housing 78.

In order to ensure that the space between the upper shell 1 and the sealing plate 3 also forms a negative pressure state, the sealing plate 3 is provided with an air exhaust through hole 33 at the passing position of the air exhaust pipe, a branch pipe 79 is connected between the air exhaust through hole 33 and the air exhaust pipe 72, the air exhaust through hole 33 is a threaded hole, and the branch pipe is in threaded connection with the air exhaust through hole, so that the subsequent disassembly and maintenance are convenient.

The outer surface of the lower shell is a part in contact with a desktop, and anti-slip pads 8 are preferably arranged at four corners of the outer surface so as to ensure the stability of the whole keyboard.

The multifunctional notebook keyboard of the embodiment is used as follows: the clamping joint is clamped at the heat dissipation port of the notebook computer, the USB interface is connected with the notebook computer, the micro vacuum pump starts to work, the air suction pipe performs air suction operation on the space formed between the upper shell and the sealing plate and the space formed between the sealing plate and the lower shell, the heat generated by the notebook computer is led out by the heat dissipation pipe in the air suction process, meanwhile, the upper shell and the lower shell are in a negative pressure state, the rubber sealing frame between the upper shell and the lower shell is tightly adsorbed, in addition, because the upper shell and the sealing plate are in a negative pressure state, the annular sealing ring, the pressing sealing piece and the annular connecting block are tightly pressed against the lower end surface of the groove, the tightness is ensured under the condition of not influencing the function of the keyboard, and the sealing performance of the closed space of the upper shell and the lower shell is strong, even if water is sprinkled on the notebook keyboard, the keyboard body is not affected, and only natural drying is needed.

It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A multifunctional notebook keyboard is characterized by comprising an upper shell, a lower shell and a keyboard body clamped in a closed space formed by the upper shell and the lower shell, wherein the upper shell and the lower shell are detachably connected through a limiting mechanism; go up the casing and cover in the surface department of casing down and have the closing plate, have a plurality ofly on the closing plate and keyboard body button adaptation the breach, lay the silica gel piece in the breach, go up the casing and offer a plurality ofly and the closing plate on the through-hole that the breach matches, the level inlays to establish in the through-hole presses the gasket, press and install perpendicularly between gasket and the silica gel piece and press the connecting rod, press another on the surface of gasket with press the connecting rod position department of correspondence and be equipped with key cap fixing device, the key cap is established to key cap fixing device upper cover.

2. The multifunctional notebook computer keyboard according to claim 1, wherein the inner wall of the through hole of the upper casing is provided with a groove, the pressing sealing sheet is embedded into the groove, the circumferential edge of the pressing sealing sheet is vertically connected with an annular connecting block facing the sealing plate, the end of the annular connecting block is provided with an annular sealing ring extending towards the center of the through hole, and the annular sealing ring and the pressing sealing sheet are arranged in parallel.

3. The multifunctional notebook computer keyboard of claim 1, wherein the limiting mechanism comprises a lower fixing block disposed at the outer peripheral edge of the lower housing, and an upper fixing block disposed at the outer peripheral edge of the upper housing and corresponding to the lower fixing block, the upper fixing block is a cylindrical structure with holes, the lower fixing block is a fork leg structure with openings, the upper fixing block and the lower fixing block are in a fit state when the upper housing and the lower housing are closed, the holes of the upper fixing block are internally provided with fixing rods, the fixing rods penetrate through the lower fixing block and have cylindrical ends, a limiting block is movably sleeved at the cylindrical ends of the fixing rods, a torsion spring is sleeved at the outer peripheries of the fixing rods, one end of the torsion spring is connected with the upper fixing block, the other end of the torsion spring is connected with the limiting block, and the limiting block.

4. The multifunctional notebook keyboard of claim 1, wherein the upper casing and the lower casing are provided at inner peripheral edges with annular sealing frames fitted to each other, and the upper casing is provided with a rubber packing in the annular sealing frames.

5. A multifunctional notebook keyboard according to claim 4, wherein the annular sealing frame is of stepped design.

6. The multifunctional notebook keyboard of claim 1, further comprising a negative pressure mechanism for evacuating the enclosed space formed by the upper housing and the lower housing, wherein the negative pressure mechanism comprises a micro vacuum pump, an air inlet of the micro vacuum pump is connected with an air exhaust pipe, and the other end of the air exhaust pipe extends into the enclosed space formed by the upper housing and the lower housing; the keyboard body is connected with a data line with a USB interface, and the data line is provided with a branch electrically connected with the micro vacuum pump.

7. The multifunctional notebook computer keyboard of claim 6, wherein the sealing plate is provided with an air exhaust through hole at a position where the air exhaust pipe passes, and a branch pipe is connected between the air exhaust through hole and the air exhaust pipe.

8. The multifunctional notebook keyboard of claim 7, wherein the suction through hole is a threaded hole, and the branch pipe is in threaded connection with the suction through hole.

9. The multifunctional notebook keyboard of claim 6, further comprising a clamping connector inserted into the heat dissipation opening of the notebook, wherein the clamping connector is connected to the middle section of the air exhaust tube through a heat dissipation tube, and the heat dissipation tube is communicated with the air exhaust tube.

10. The multifunctional notebook keyboard of claim 1, wherein the outer surface of the lower housing is provided with a non-slip mat.