CN219534362U - Improved key structure of sound equipment bottom cover piece - Google Patents

Abstract

The utility model discloses an improved key structure of an acoustic bottom cover plate, which comprises a bottom cover shell and a bearing bottom frame, wherein the middle part of the bottom cover shell is fixedly provided with the bearing bottom frame, one side of the bearing bottom frame is fixedly provided with a positive conductive sheet through a screw, the other side of the bearing bottom frame is fixedly provided with a negative conductive sheet through a screw, the inner sides of the positive conductive sheet and the negative conductive sheet are fixedly provided with a plurality of uniformly distributed conductive nodes, and the plurality of conductive nodes are respectively and slidably connected with an arc contact frame.

Description

Improved key structure of sound equipment bottom cover piece

Technical Field

The utility model relates to the technical field of sound bottom cover keys, in particular to an improved key structure of a sound bottom cover plate.

Background

With the progress of society, people have more colorful lives, and singing and dancing are taken as a form of entertainment which flows for thousands of years, and enter the lives of all people. However, with the development and progress of technology, the performance form and the place of singing and dance are more and more required, and the sound system is also continuously improved and perfected with the demands of people. The loudspeaker box is generally composed of a loudspeaker unit, a box body and a bottom cover sheet structure, wherein the loudspeaker unit is used as a sounding component, the box body is used as a supplement of the loudspeaker unit to play a role in correcting sound, and the bottom cover sheet plays a role in packaging and switching music, wherein the music is switched by the bottom cover sheet through a key structure.

The existing sound bottom cover sheet key structure does not have buffering capacity after the key cap is pressed, long-term pressing is used, the keys are easy to damage, and the service life is short.

Disclosure of Invention

The utility model aims to provide an improved key structure of an acoustic bottom cover piece, which solves the problems that the existing key structure of the acoustic bottom cover piece provided in the background art does not have buffering capacity after a key cap is pressed, is used after being pressed for a long time, and is easy to damage and short in service life.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an improved generation button structure of stereo set bottom piece, includes the bottom casing and bears the underframe, the fixed bottom frame that bears that is provided with in middle part of bottom casing, one side that bears the underframe is provided with anodal conducting strip through the fix with screw, the opposite side that bears the underframe is provided with the negative pole conducting strip through the fix with screw, the inboard of anodal conducting strip and the inboard of negative pole conducting strip are all fixed and are provided with a plurality of evenly distributed's conductive node, a plurality of equal sliding connection has arc contact frame on the conductive node, corresponding two all fixed the frame that resets between the arc contact frame, a plurality of the button jack has all been seted up at the middle part outside the frame that resets, and the installation fixed to the button is realized to this stereo set bottom cover piece button structure, and the dismantlement maintenance of later stage of being convenient for is assembled the button key cap on the frame that resets, utilizes the cooperation of frame that resets and arc contact frame, can carry out certain buffering at the in-process of pressing to reduce the button and damage to conductive node, the contact is sensitive, is difficult for appearing, long service life.

Preferably, a plurality of the key jacks are connected with key bodies in a clamping mode, the key bodies comprise key caps and key inserting columns, the key inserting columns are fixedly arranged in the middle of the inner sides of the key caps, and the key caps are convenient to detach and maintain.

Preferably, the bottom cover plate clamping grooves are formed in four corners of the bottom cover shell, so that the bottom cover shell is more convenient to assemble and use, and convenience is provided for later maintenance and overhaul.

Preferably, a plurality of reset frames are all arranged in an arc shape, so that certain reset buffering can be carried out in the pressing force application process, the impact on the conductive nodes is reduced, and the service life is longer.

Preferably, the length of the bottom cover case is set to 97.5mm, and the width of the bottom cover case is set to 50mm.

Preferably, the length of the key cap is set to 13.75mm, and the width of the key cap is set to 4.5mm.

Compared with the prior art, the utility model has the beneficial effects that: this stereo set end cover piece button structure adopts the mode of joint to realize the installation fixed to the button, and the dismantlement of later stage is maintained conveniently, assembles the button key cap on the frame that resets, utilizes the cooperation of frame and arc contact frame that resets, can carry out certain buffering at the in-process of pressing to reduce the impact of button to electrically conductive node, the contact is sensitive, is difficult for appearing damaging, long service life.

Drawings

FIG. 1 is a top cross-sectional view of a bottom cover sheet key structure of the present utility model;

FIG. 2 is a front cross-sectional view of a key body of the present utility model;

fig. 3 is an enlarged view of a portion a of the present utility model.

In the figure: 1. a bottom cover housing; 2. a carrying bottom frame; 3. a positive electrode conductive sheet; 4. a negative electrode conductive sheet; 5. a conductive node; 6. an arc-shaped contact frame; 7. a reset frame; 8. a key jack; 9. a key body; 91. a key cap; 92. a key post; 10. and a bottom cover plate clamping groove.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, the utility model provides an improved key structure of a sound bottom cover plate, which comprises a bottom cover shell 1 and a bearing bottom frame 2, wherein the middle part of the bottom cover shell 1 is fixedly provided with the bearing bottom frame 2, one side of the bearing bottom frame 2 is fixedly provided with a positive electrode conducting plate 3 through a screw, the other side of the bearing bottom frame 2 is fixedly provided with a negative electrode conducting plate 4 through a screw, the inner sides of the positive electrode conducting plate 3 and the negative electrode conducting plate 4 are fixedly provided with a plurality of evenly distributed conducting nodes 5, the plurality of conducting nodes 5 are respectively and slidingly connected with an arc-shaped contact frame 6, a reset frame 7 is respectively and fixedly arranged between the two corresponding arc-shaped contact frames 6, the middle parts of the outer sides of the plurality of reset frames 7 are respectively provided with key jacks 8, the plurality of key jacks 8 are respectively and fixedly connected with a key body 9, the key body 9 comprises a key cap 91 and a key inserting column 92, the key inserting column 92 is fixedly arranged in the middle of the inner side of the key cap 91, the bottom cover plate clamping grooves 10 are formed in four corners of the bottom cover shell 1, the resetting frames 7 are arc-shaped, the length of the bottom cover shell 1 is 97.5mm, the width of the bottom cover shell 1 is 50mm, the length of the key cap 91 is 13.75mm, the width of the key cap 91 is 4.5mm, the resetting frames 7 and the arc-shaped contact frames 6 are matched, and certain buffering can be carried out in the pressing process, so that the impact of keys to the conductive nodes 5 is reduced, the contact is sensitive, damage is not easy to occur, the service life is long, the installation and fixation of the keys are realized in a clamping manner, and the subsequent disassembly and maintenance are facilitated.

When the embodiment of the utility model is used, the following steps are adopted: the bottom cover shell 1 is clamped on the positioning clamping column at the bottom of the sound box through the bottom cover plate clamping groove 10, when the key body 9 is pressed, the key body 9 can extrude the reset frame 7 to move towards two sides under the action of pressure, so that the two arc contact frames 6 are respectively in sliding contact with the conductive nodes 5 on the positive conductive sheet 3 and the negative conductive sheet 4, signal transmission is realized, the key cap 91 is assembled on the reset frame 7, the reset frame 7 and the arc contact frames 6 are matched, certain buffering can be carried out in the pressing process, the impact of the key on the conductive nodes 5 is reduced, the key is sensitive in contact, damage is not easy to occur, the service life is long, and the installation and the fixation of the key are realized in a clamping manner in the key structure of the bottom cover plate of the sound box, so that later disassembly and maintenance are convenient.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides an stereo set bottom piece improved generation button structure, includes bottom casing (1) and bears underframe (2), its characterized in that: the utility model discloses a bottom shell, including bottom shell body (1), positive electrode conducting strip (3) are provided with through the screw fixation to the middle part fixed bearing bottom frame (2), the opposite side bearing bottom frame (2) is provided with negative electrode conducting strip (4) through the screw fixation, the inboard of positive electrode conducting strip (3) and the inboard of negative electrode conducting strip (4) are all fixed and are provided with a plurality of evenly distributed's conductive node (5), a plurality of equal sliding connection has arc contact frame (6) on conductive node (5), corresponding two all fixed be provided with reset frame (7) between arc contact frame (6), a plurality of button jack (8) have all been seted up at the middle part in reset frame (7) outside.

2. The improved key structure of an audio bottom cover sheet according to claim 1, wherein: the key jack (8) is fixedly connected with a key body (9), the key bodies (9) comprise key caps (91) and key inserting columns (92), and the key inserting columns (92) are fixedly arranged in the middle of the inner sides of the key caps (91).

3. The improved key structure of an audio bottom cover sheet according to claim 1, wherein: the four corners of the bottom cover shell (1) are provided with bottom cover plate clamping grooves (10).

4. The improved key structure of an audio bottom cover sheet according to claim 1, wherein: the resetting frames (7) are all arranged in an arc shape.

5. The improved key structure of an audio bottom cover sheet according to claim 1, wherein: the length of the bottom cover shell (1) is set to be 97.5mm, and the width of the bottom cover shell (1) is set to be 50mm.

6. The improved key structure of the bottom cover sheet of the audio device according to claim 2, wherein: the length of the key cap (91) is set to be 13.75mm, and the width of the key cap (91) is set to be 4.5mm.