CN217035493U

CN217035493U - Amortization shock attenuation keyboard structure

Info

Publication number: CN217035493U
Application number: CN202220704929.2U
Authority: CN
Inventors: 王唯; 占明明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2022-03-29
Publication date: 2022-07-22
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a noise-reduction and shock-absorption keyboard structure which comprises an upper shell, a lower shell, a PCB (printed circuit board), a positioning plate and keys, wherein the upper shell is sleeved outside the lower shell, and the upper shell is connected with the lower shell through a longitudinal screw rod; the positioning plate is arranged in the upper shell and can longitudinally slide relative to the upper shell, the bottom end of the positioning plate is fixedly connected with a PCB, and the positioning plate is provided with a plurality of key through holes and is connected with the keys through the key through holes; the upper shell is provided with a plurality of avoiding through holes corresponding to the key through holes, the top ends of the keys penetrate through the avoiding through holes and then are connected with the keycaps, and the bottom ends of the keys are electrically connected with the PCB; the edge of the top end of the lower shell is provided with a plurality of mounting grooves, and damping mechanisms are arranged in the mounting grooves and connected with the edge of the positioning plate through the damping mechanisms.

Description

Amortization shock attenuation keyboard structure

Technical Field

The utility model relates to the field of keyboards, in particular to a noise-reduction and shock-absorption keyboard structure.

Background

With the development of technology, computer keyboards tend to be light and thin. The light and thin keyboard is used for connecting and operating the tablet computer, and is convenient to operate and stable in performance. The light and thin keyboard has the advantages of small volume, light weight, portability and the like. However, the existing keyboard structure still has the defects of large key resistance, large key noise and the like under the connecting action of mechanical parts, so that a new keyboard structure needs to be researched to solve the problems.

Disclosure of Invention

The utility model aims to solve the problems and provides a noise-reduction and shock-absorption keyboard structure which is simple in structure and convenient to use.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a noise-reduction and shock-absorption keyboard structure comprises an upper shell, a lower shell, a PCB (printed circuit board), a positioning plate and keys, wherein the upper shell is sleeved outside the lower shell, and the upper shell is connected with the lower shell through a longitudinal screw rod; the positioning plate is arranged in the upper shell and can longitudinally slide relative to the upper shell, the bottom end of the positioning plate is fixedly connected with a PCB, and the positioning plate is provided with a plurality of key through holes and is connected with the keys through the key through holes; a plurality of avoiding through holes corresponding to the key through holes are formed in the upper shell, the top ends of the keys penetrate through the avoiding through holes and then are connected with the keycaps, and the bottom ends of the keys are electrically connected with the PCB; the edge of the top end of the lower shell is provided with a plurality of mounting grooves, and damping mechanisms are arranged in the mounting grooves and connected with the edge of the positioning plate through the damping mechanisms.

Further, damper includes magnetite, lower magnetite, and lower magnetite scarf joint just down magnetite and lower casing bolted connection in the mounting groove, go up the corresponding setting of magnetite and lower magnetite and the magnetic pole of both opposite faces the same, go up the magnetite setting and go up magnetite and locating plate bolted connection in locating plate edge upper end and go up the magnetite.

Furthermore, a damping rubber pad is arranged between the top end of the upper magnet and the top end of the inner portion of the upper shell, and the upper end face of the damping rubber pad is fixedly connected with the end face of the top end of the inner portion of the upper shell.

Furthermore, damper includes damping screw, and the embedding of damping screw bottom is in the mounting groove, and damping spring has been cup jointed at the damping screw middle part, and the damping screw top passes to set up behind the mounting hole at the locating plate edge and limit nut threaded connection.

Furthermore, a mute spring is arranged between the upper end face of the positioning plate and the top end inside the upper shell.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the damping mechanism is arranged between the positioning plate and the lower shell, so that the positioning plate and the lower shell are separated from each other under the resistance of the damping mechanism, when the keyboard is used, the keys and the positioning plate can move longitudinally relative to the lower shell, the resistance when the keys are pressed is effectively reduced, the use operation of the keyboard is lighter and faster, meanwhile, the structure hardly generates any sound when the keys are pressed, the generation amount of noise is effectively reduced, and the use effect of the keyboard is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a partial structural view of embodiment 1;

FIG. 3 is a schematic structural view of example 2;

fig. 4 is a partial structural view of embodiment 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.

Embodiment 1, as shown in fig. 1 and fig. 2, this embodiment discloses a noise-reduction and shock-absorption keyboard structure, which includes an upper casing 3, a lower casing 7, a PCB 4, a positioning plate 5, and keys 2, wherein the upper casing 3 is sleeved outside the lower casing 7, and the upper casing 3 is connected with the lower casing 7 through a longitudinal screw 8; the positioning plate 5 is arranged in the upper shell 3, the positioning plate 5 can longitudinally slide relative to the upper shell 3, and the positioning plate 5 is a glass fiber plate with a damping effect; the bottom end of the positioning plate 5 is fixedly connected with a PCB 4, and the positioning plate 5 is provided with a plurality of key through holes 501 and is connected with the keys 2 through the key through holes 501; a plurality of avoiding through holes 301 corresponding to the key through holes 501 are formed in the upper shell 3, the top ends of the keys 2 penetrate through the avoiding through holes 301 and then are connected with the key caps 1, and the bottom ends of the keys 2 are electrically connected with the PCB 4; the edge of the top end of the lower shell 7 is provided with a plurality of mounting grooves 701, and the mounting grooves 701 are internally provided with damping mechanisms and are connected with the edges of the positioning plates 5 through the damping mechanisms.

The damping mechanism comprises an upper magnet 10 and a lower magnet 9, the lower magnet 9 is embedded in the mounting groove 701, the lower magnet 9 is in bolted connection with the lower shell 7, the upper magnet 10 and the lower magnet 9 are correspondingly arranged, the magnetic poles of the opposite surfaces of the upper magnet 10 and the lower magnet 9 are the same, the upper magnet 10 is arranged at the upper end of the edge of the positioning plate 5, and the upper magnet 10 is in bolted connection with the positioning plate 5; a damping rubber pad 6 is arranged between the top end of the upper magnet 10 and the top end inside the upper shell 3, and the upper end face of the damping rubber pad 6 is fixedly connected with the end face of the top end inside the upper shell 3; the edge of the positioning plate is also provided with a limiting bulge, the limiting bulge is arranged corresponding to the mounting groove, and the upper magnet is mounted at the top end of the limiting bulge; the longitudinal limiting effect of the positioning plate can be realized by matching the limiting protrusion with the mounting groove.

According to the embodiment, the positioning plate is separated from the lower shell through the mutual repulsive force between the upper magnet and the lower magnet, when the key is pressed, the key and the positioning plate move downwards and are not in contact with the lower shell, and therefore the effects of shock absorption and noise reduction are achieved.

Embodiment 2, as shown in fig. 3 and 4, this embodiment discloses a noise-reducing and shock-absorbing keyboard structure, which includes an upper casing 3, a lower casing 7, a PCB 4, a positioning plate 5, and keys 2, wherein the upper casing 3 is sleeved outside the lower casing 7, and the upper casing 3 is connected with the lower casing 7 through a longitudinal screw 8; the positioning plate 5 is arranged in the upper shell 3, the positioning plate 5 can longitudinally slide relative to the upper shell 3, and the positioning plate 5 is a glass fiber plate with a damping effect; the bottom end of the positioning plate 5 is fixedly connected with a PCB 4, and the positioning plate 5 is provided with a plurality of key through holes 501 and is connected with the keys 2 through the key through holes 501; a plurality of avoiding through holes 301 corresponding to the key through holes 501 are formed in the upper shell 3, the top ends of the keys 2 penetrate through the avoiding through holes 301 and then are connected with the keycap 1, and the bottom ends of the keys 2 are electrically connected with the PCB 4; the edge of the top end of the lower shell 7 is provided with a plurality of mounting grooves 701, and the mounting grooves 701 are internally provided with damping mechanisms and are connected with the edges of the positioning plates 5 through the damping mechanisms.

The damping mechanism comprises a damping screw rod 11, the bottom end of the damping screw rod 11 is embedded in the mounting groove 701, a damping spring 12 is sleeved in the middle of the damping screw rod 11, and the top end of the damping screw rod 11 penetrates through a mounting hole 502 formed in the edge of the positioning plate 5 and then is in threaded connection with a limiting nut 13; a mute spring is arranged between the upper end surface of the positioning plate 5 and the top end inside the upper shell 3; the mute spring can enhance the elastic damping effect; the edge of the positioning plate is also provided with a limiting bulge, the top end of the lower shell is provided with a limiting groove matched with the limiting bulge, the mounting groove is arranged in the limiting groove, and the mounting hole is formed in the limiting bulge; the longitudinal limiting effect of the positioning plate can be realized by matching the limiting protrusion with the limiting groove.

This embodiment makes locating plate and lower casing separate through damping spring's elastic force, and when pressing the button, locating plate can the downstream, and it does not contact with lower casing to the effect of having played the shock attenuation, having fallen the noise.

According to the utility model, the damping mechanism is arranged between the positioning plate and the lower shell, so that the positioning plate and the lower shell are separated from each other under the resistance of the damping mechanism, when the keyboard is used, the keys and the positioning plate can move longitudinally relative to the lower shell, the resistance when the keys are pressed is effectively reduced, the use operation of the keyboard is lighter and faster, meanwhile, the structure can hardly generate any sound when the keys are pressed, the generation amount of noise is effectively reduced, and the use effect of the keyboard is further improved.

Claims

1. The utility model provides a amortization shock attenuation keyboard structure which characterized in that: the noise-reduction and shock-absorption keyboard structure comprises an upper shell, a lower shell, a PCB (printed circuit board), a positioning plate and keys, wherein the upper shell is sleeved outside the lower shell, and the upper shell is connected with the lower shell through a longitudinal screw rod; the positioning plate is arranged in the shell and can longitudinally slide relative to the shell, the bottom end of the positioning plate is fixedly connected with a PCB, and the positioning plate is provided with a plurality of key through holes and is connected with the keys through the key through holes; a plurality of avoiding through holes corresponding to the key through holes are formed in the upper shell, the top ends of the keys penetrate through the avoiding through holes and then are connected with the keycaps, and the bottom ends of the keys are electrically connected with the PCB; the edge of the top end of the lower shell is provided with a plurality of mounting grooves, and damping mechanisms are arranged in the mounting grooves and connected with the edge of the positioning plate through the damping mechanisms.

2. A noise-reducing and shock-absorbing keyboard structure according to claim 1, wherein: damping mechanism includes magnetite, lower magnetite, and lower magnetite scarf joint just down magnetite and lower casing bolted connection in the mounting groove, go up the magnetite and set up down with the corresponding magnetic pole that just both opposite faces of magnetite is the same, go up the magnetite setting and go up magnetite and locating plate bolted connection in locating plate edge upper end and.

3. A noise-reducing and shock-absorbing keyboard structure according to claim 2, wherein: a damping rubber pad is arranged between the top end of the upper magnet and the top end of the inner portion of the upper shell, and the upper end face of the damping rubber pad is fixedly connected with the end face of the top end of the inner portion of the upper shell.

4. The keyboard structure of claim 1, wherein: the damping mechanism comprises a damping screw, the bottom end of the damping screw is embedded in the mounting groove, a damping spring is sleeved in the middle of the damping screw, and the top end of the damping screw penetrates through a mounting hole formed in the edge of the positioning plate and then is in threaded connection with the limiting nut.

5. The keyboard structure of claim 4, wherein: a mute spring is arranged between the upper end face of the positioning plate and the top end inside the upper shell.