CN210575641U

CN210575641U - Computer is button for key dish with dustproof function

Info

Publication number: CN210575641U
Application number: CN201921520777.5U
Authority: CN
Inventors: 吴传武; 王晓磊; 刘飞
Original assignee: Hainan Yijia Network Technology Co ltd
Current assignee: Hainan Yijia Network Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-19
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a calculate key for key dish with dustproof function, including setting up the contact key axle on the keyboard shell and fixing the base at keyboard shell top, the base slip cap is established at the contact key epaxially, and the top of base is equipped with the key cap, the slot has been seted up at the top of contact key axle, and the slot interpolation is equipped with the inserted bar, the top of inserted bar extend to the top of contact key axle and with the top inner wall fixed connection of key cap, the rectangular channel has been seted up on the bottom inner wall of slot, the rectangular hole has been seted up to one side of contact key axle, and is equipped with the bracing piece in the rectangular hole. The utility model relates to a rationally, convenient to use is convenient for blow the dust and is beated when knocking the key cap and type continuation self-bleeding, can avoid the long-time stillness of dust to cause and firmly be stained with the phenomenon of attaching on the keyboard shell to stick up shake keyboard shell and can easily shake out the dust after typing is accomplished, reach the purpose of dustproof dust removal, labour saving and time saving improves dust collection efficiency.

Description

Computer is button for key dish with dustproof function

Technical Field

The utility model relates to a button technical field especially relates to a calculate key for key dish with dustproof function.

Background

The keyboard is an instruction and data input device for operating equipment, and also refers to a group of function keys for operating a machine or equipment through system arrangement, the silica gel key is a key product made of silica gel as a raw material, commonly called as a silica gel key, and belongs to a product type of silica gel products, the silica gel key has the characteristics of excellent heat resistance, cold resistance, environmental resistance, electric insulation, fatigue resistance and the like, the silica gel key is usually applied to an electronic calculator, a remote control system, a telephone, a wireless telephone, a computer keyboard, a learning machine key, a cipher device key and a digital product key, cases on the keyboard are mostly composed of a base fixed at the top of a keyboard shell and a contact key shaft arranged in the base in a sliding manner, the top of the key shaft is inserted with a keycap, and the key shaft can be driven to move down to extrude contacts on a PCB in the keyboard shell by pressing the keycap, achieving the purpose of typing control.

Present keyboard button is not convenient for dustproof, it mainly embodies the easy deposition in use keyboard shell surface, it is firmly stained with on the keyboard shell easily to have long-term dust, this kind of dust of being stained with on the shell is put when rocking can't fall out from the gap between a plurality of buttons along with being stained with new ash that attaches when the keyboard is erected, it cleans to need personnel to take off the key cap of button in turn mostly, carry out in turn and install the key cap in turn, it is hard to waste time, can not satisfy the user demand, therefore we have proposed a key for computer keyboard with dustproof function and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a key for a computer keyboard with a dustproof function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a key with a dustproof function for a computer keyboard comprises a contact key shaft arranged on a keyboard shell and a base fixed at the top of the keyboard shell, wherein the base is slidably sleeved on the contact key shaft, a keycap is arranged above the base, the top of the contact key shaft is provided with an insertion groove, an insertion rod is inserted in the insertion groove, the top end of the insertion rod extends to the upper part of the contact key shaft and is fixedly connected with the inner wall of the top part of the keycap, the inner wall of the bottom of the insertion groove is provided with a rectangular groove, one side of the contact key shaft is provided with a rectangular hole, a support rod is arranged in the rectangular hole, two ends of the support rod extend out of the contact key shaft, two sides of the bottom of the support rod are fixedly connected with the top of the base, the same elastic air bag is fixedly bonded between the top of the support rod and the inner wall of the top of the rectangular hole, the top of, the outside of contact key axle is four elbows of giving vent to anger of rectangle fixedly connected with, and four elbows of giving vent to anger all are linked together with the rectangular channel, and the bottom fixedly connected with spring of the elbow of giving vent to anger of four elbows, and the spring movable sleeve is established on the contact key axle, the bottom of spring and the top fixed connection of base.

Preferably, the inner walls of four sides of the rectangular groove are all provided with first round holes, and the first round holes are communicated with the corresponding air outlet elbows.

Preferably, the inner wall of the bottom of the rectangular groove is provided with a through hole, and the side wall of the through hole is fixedly bonded with the outer side of the vent pipe.

Preferably, two sides of the support rod are respectively in movable contact with the inner walls of two sides of the rectangular hole.

Preferably, the top of the base is provided with a second round hole, and the side wall of the second round hole is in sliding connection with the outer side of the contact key shaft.

Preferably, the outer side of the inserted link is bonded with an anti-slip elastic rubber sheet, and the outer side of the anti-slip elastic rubber sheet is in close contact with the side wall of the slot.

Compared with the prior art, the beneficial effects of the utility model are that:

the contact key shaft drives the contact key shaft to move downwards through the inserted rod when the keycap is pressed, the contact key shaft drives the four air outlet elbows to compress the springs downwards, the contact key shaft further downwards extrudes the elastic air bag, so that gas in the elastic air bag is extruded into the rectangular groove through the inserted rod, the gas is discharged into the four air outlet elbows in sequence, the gas is discharged through the air outlet elbows to blow dust on the top of the base and the top of the keyboard shell, when the pressing force is released, the spring in a compressed state resets and drives the contact key shaft to move upwards through the air outlet elbows for resetting, at the moment, the elastic air bag restores elasticity, the contact key shaft drives the keycap to move upwards through the inserted rod for resetting, and the keycap is continuously and circularly knocked during typing, can reach continuation circulation extrusion elasticity gasbag to reach continuation exhaust and blow the dust and beat, can avoid the dust to cause because of long-time stillness firmly to be stained with the phenomenon of adhering to, alright stick up shake keyboard shell and easily shake out the dust after typing is accomplished.

The utility model relates to a rationally, convenient to use is convenient for blow the dust and is beated when knocking the key cap and type continuation self-bleeding, can avoid the long-time stillness of dust to cause and firmly be stained with the phenomenon of attaching on the keyboard shell to stick up shake keyboard shell and can easily shake out the dust after typing is accomplished, reach the purpose of dustproof dust removal, labour saving and time saving improves dust collection efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a key for a computer keyboard with a dustproof function according to the present invention;

fig. 2 is a schematic cross-sectional view of a key for a computer keyboard with a dustproof function according to the present invention.

In the figure: 1 contact key shaft, 2 bases, 3 key caps, 4 inserted rods, 5 slots, 6 rectangular grooves, 7 rectangular holes, 8 elastic air bags, 9 vent pipes, 10 vent elbows, 11 support rods, 12 springs and 13 first round holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a dustproof key for a computer keyboard comprises a contact key shaft 1 disposed on a keyboard housing and a base 2 fixed on the top of the keyboard housing, the base 2 is slidably sleeved on the contact key shaft 1, a key cap 3 is disposed above the base 2, a slot 5 is disposed on the top of the contact key shaft 1, an insertion rod 4 is inserted into the slot 5, the top end of the insertion rod 4 extends above the contact key shaft 1 and is fixedly connected with the inner wall of the top of the key cap 3, a rectangular slot 6 is disposed on the inner wall of the bottom of the slot 5, a rectangular hole 7 is disposed on one side of the contact key shaft 1, a support rod 11 is disposed in the rectangular hole 7, two ends of the support rod 11 extend out of the contact key shaft 1, two sides of the bottom of the support rod 11 are fixedly connected with the top of the base 2, the same elastic air bag 8 is bonded and fixed between the top of the support rod 11 and, the top of the elastic air bag 8 is communicated and fixed with a vent pipe 9, the top end of the vent pipe 9 extends into the rectangular groove 6, the outer side of the contact key shaft 1 is fixedly connected with four air outlet elbows 10 in a rectangular shape, the four air outlet elbows 10 are all communicated with the rectangular groove 6, the bottom of one air outlet elbow 10 in the four air outlet elbows 10 is fixedly connected with a spring 12, the spring 12 is movably sleeved on the contact key shaft 1, and the bottom end of the spring 12 is fixedly connected with the top of the base 2, the utility model has reasonable design and convenient use, is convenient for continuously and automatically exhausting and blowing dust to jump when the keycap 3 is knocked to type, can avoid the phenomenon that the dust is firmly attached to the keyboard shell because the dust is still for a long time, therefore, the shaking keyboard shell is erected after typing is finished, dust can be easily shaken out, the purpose of dust prevention and removal is achieved, time and labor are saved, and the dust removal efficiency is improved.

In the utility model, the inner walls of four sides of the rectangular groove 6 are all provided with first round holes 13, the first round holes 13 are communicated with corresponding air outlet elbows 10, the inner wall of the bottom of the rectangular groove 6 is provided with through holes, the side walls of the through holes are fixedly bonded with the outer sides of the air pipes 9, two sides of the support rod 11 are respectively in movable contact with the inner walls of two sides of the rectangular hole 7, the top of the base 2 is provided with second round holes, the side walls of the second round holes are in sliding connection with the outer sides of the contact key shafts 1, the outer side of the inserted rod 4 is bonded with the anti-skid elastic rubber, and the outer side of the anti-skid elastic rubber is in close contact with the side walls of the slots 5, the utility model has reasonable design and convenient use, is convenient for continuously and automatically exhausting to blow dust to jump when knocking the keycaps 3 to type, can avoid the phenomenon that the dust is firmly attached to the keyboard shell because the dust is still for, the dust-proof and dust-removing device achieves the purpose of dust prevention and dust removal, saves time and labor and improves the dust-removing efficiency.

The working principle is as follows: when the keyboard is used, dust is easy to be accumulated on a keyboard shell, when the keycap 3 is pressed, the keycap 3 drives the inserted rod 4 to move downwards, the inserted rod 4 drives the contact key shaft 1 to move downwards, the contact key shaft 1 drives the four air outlet elbows 10 to move downwards and extrude the springs 12 downwards, the springs 12 are stressed and contracted under extrusion force, meanwhile, the inner walls of the tops of the rectangular holes 7 on the contact key shaft 1 downwards extrude the elastic air bags 8, the elastic air bags 8 are extruded and deformed, so that the gas in the elastic air bags 8 is extruded into the rectangular grooves 6 through the air pipes 9, the gas is discharged into the four first round holes 13 through the rectangular grooves 6 and then into the corresponding air outlet elbows 10 through the first round holes 13, the gas is discharged through the air outlet elbows 10 to blow dust on the tops of the base 2 and the keyboard shell, when the pressure on the keycap 3 is released, the springs 12 in the contraction state at the moment reset and drive the air outlet elbows 10 to move upwards and reset, the elbow 10 of giving vent to anger drives contact key axle 1 and shifts up the restoration, contact key axle 1 relaxs the extrusion force to

elastic airbag

8, 8 elastic recovery of elastic airbag this moment, contact key axle 1 drives key cap 3 through inserted bar 4 and shifts up the restoration, and it strikes key cap 3 constantly to circulate when typing, cause key cap 3 to appear circulating jump because of constantly being struck and relaxing, reach continuation circulation extrusion elastic airbag 8, thereby reach continuation exhaust and blow the dust, make the dust blow up and beat by gas, thereby can avoid the long-time motionlessness of dust to cause the phenomenon of firmly being stained with on the keyboard shell, alright stick up the shake keyboard shell after typing work is accomplished, because the dust is blown by continuation and can not firmly be stained with, thereby shake out the dust easily, reach dustproof purpose of removing dust, and time and labor saving, and dust collection efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A dustproof key for a computer keyboard comprises a contact key shaft (1) arranged on a keyboard shell and a base (2) fixed at the top of the keyboard shell, wherein the base (2) is sleeved on the contact key shaft (1) in a sliding manner, and a key cap (3) is arranged above the base (2), and is characterized in that a slot (5) is formed in the top of the contact key shaft (1), an insertion rod (4) is inserted into the slot (5), the top end of the insertion rod (4) extends to the upper side of the contact key shaft (1) and is fixedly connected with the inner wall of the top of the key cap (3), a rectangular groove (6) is formed in the inner wall of the bottom of the slot (5), a rectangular hole (7) is formed in one side of the contact key shaft (1), a support rod (11) is arranged in the rectangular hole (7), two ends of the support rod (11) both extend out of the contact key shaft (1), two sides of the bottom of the support rod (11) are fixedly connected with the top of, bonding is fixed with same elasticity gasbag (8) between the top of bracing piece (11) and the top inner wall of rectangular hole (7), and the top intercommunication of elasticity gasbag (8) is fixed with breather pipe (9), the top of breather pipe (9) extends to in rectangular channel (6), the outside of contact key axle (1) is four elbows (10) of giving vent to anger of rectangle fixedly connected with, four elbows (10) of giving vent to anger all are linked together with rectangular channel (6), the bottom fixedly connected with spring (12) of elbow (10) of giving vent to anger in four elbows (10), and spring (12) movable sleeve establishes on contact key axle (1), the bottom of spring (12) and the top fixed connection of base (2).

2. The dustproof key of claim 1, wherein the four side inner walls of the rectangular groove (6) are provided with first round holes (13), and the first round holes (13) are communicated with the corresponding air outlet elbows (10).

3. The key of claim 1, wherein the rectangular groove (6) has a through hole on the inner wall of the bottom, and the side wall of the through hole is adhered to the outer side of the air tube (9).

4. The key for computer keyboard with dustproof function according to claim 1, wherein two sides of said support rod (11) are in movable contact with inner walls of two sides of said rectangular hole (7), respectively.

5. The key with the dustproof function for the computer keyboard as claimed in claim 1, wherein a second circular hole is formed at the top of the base (2), and the side wall of the second circular hole is slidably connected with the outer side of the contact key shaft (1).

6. The key of claim 1, wherein an anti-slip elastic rubber sheet is adhered to the outer side of the insertion rod (4), and the outer side of the anti-slip elastic rubber sheet is in close contact with the side wall of the insertion groove (5).