WO2015100677A1

WO2015100677A1 - Miniature audio electronic

Info

Publication number: WO2015100677A1
Application number: PCT/CN2013/091238
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2013-12-30
Filing date: 2013-12-31
Publication date: 2015-07-09
Also published as: CN103763644A

Abstract

Disclosed is a miniature audio electronic comprising a housing used for fixing a main circuit board, a push switch provided on the main circuit board for controlling switching on/off of the miniature audio electronic, a switch avoidance hole provided in the lower housing and used for avoiding the push switch; also comprising a switch push button sleeved on the push switch, where the switch push button comprises a sleeving part sleeved on the push switch, a slide block that is larger than the switch avoidance hole, and a handle that is smaller than the switch avoidance hole. Per the present invention, because the switch push button is sleeved on the push switch, the sleeving part of the switch push button is sleeved on the push switch, and the slide block of the switch push button is larger than the switch avoidance hole, the slide block of the switch push button is located in the lower housing to block the switch avoidance hole, dust is prevented from entering the miniature audio electronic via the switch avoidance hole. The push switch is operated via the handle of the switch push button, thus operation is facilitated.

Description

Micro acoustic

[Technical Field]

The present invention relates to the field of audio and, more particularly, to a miniature sound system. 【Background technique】

I have designed a micro-sound, including a housing, a speaker fixed in the housing, a circuit board and a battery for supplying power to the micro-sound; the housing includes an upper case, a middle case and a lower case, and the horn is fixed by screws a middle annular shell, wherein the middle shell is provided with a first annular protrusion of the ring, and the inner wall of the upper shell is provided with a closed jaw which is sleeved on the first annular protrusion, and the closed jaw seals the rod eight in the miniature A closed front sound chamber is formed in the sound, and a rear sound chamber is formed between the lower shell and the middle shell, and the front sound chamber and the rear sound chamber cooperate to effectively improve the resonance effect of the subwoofer of the speaker to improve the sound quality of the micro sound. The circuit board includes a main circuit board fixed in the lower case and a button circuit board fixed on the middle case to control the state of the main circuit board, and the main circuit board is provided with a push switch for controlling the micro audio on and off The switch housing is provided with a switch avoidance hole. This program is not public. Since the switch is a push-pull switch, the switch avoidance hole is larger than the switch, and dust may enter the micro-audio from the switch avoidance hole during use.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a micro-sound with a switch push and twist.

The object of the present invention is achieved by the following technical solutions: a micro-sound comprising a lower case for fixing a main circuit board, the main circuit board being provided with a push-pull switch for controlling micro-acoustic on and off, a switch avoidance hole for escaping the push switch is disposed in the lower case; and a switch push pin sleeved on the push switch, the switch push twist includes a sleeve sleeved on the push switch And a slider larger than the switch avoidance hole and a handle smaller than the switch avoidance hole.

Preferably, the side wall of the lower case gradually protrudes outward from the bottom, and the lower case side wall is provided with a vertical plate perpendicular to the bottom of the lower case and a horizontal plate connecting the outer side of the vertical plate and the lower case. The switch avoidance hole is located on the riser, and the length of the handle is smaller than the width of the horizontal plate. Forming a gap between the riser and the cross The switch avoids the position, so that after the switch is pushed and fixed, the handle is located not only on the outer side of the housing but also on the outer side wall of the lower case, so that the push switch caused by the outer side wall of the handle protruding from the housing can be prevented from being unintentionally opened. Happening.

Preferably, the micro-audio further includes a push-and-twist fixing portion for defining the push and twist of the switch, and the push-torsion fixing portion has an L shape. The push-and-twist fixing portion for setting the fixed switch to push the twist can better fix the switch.

Preferably, the push and twist fixing portion is thermally fixed on the horizontal plate, and the horizontal plate is provided with a heat-melting column, and the push-torsion fixing portion is provided with a heat fusion cooperating with the heat-melting column. hole. This is the specific way to push and twist the fixed part of the fixed switch.

Preferably, the hot melt holes are two, and are arranged side by side on the push and twist fixing portion. This is the specific way of fixing the fuse.

Preferably, the outer side of the horizontal plate is provided with a downward inclination angle, and the push and twist fixing portion is provided with a fold which cooperates with the inclination angle. This can better fix the push and twist fixing portion.

Preferably, the main circuit board is further provided with a USB charging interface, an audio input hole and a TF interface arranged side by side with the switch; the vertical board is provided with a USB adapted to the USB interface and the audio input hole. The socket and the audio jack are also provided with a TF socket matched with the TF interface. Thus, the USB interface and the audio input hole do not affect the use and do not protrude from the outer side wall of the lower case.

Preferably, both ends of the TF socket are provided with vertical protrusions for protecting the TF interface. Vertical projections are provided at both ends of the TF socket to protect the TF interface.

Preferably, a concave arcuate recess is disposed below the TF socket. Set the arcing recess to insert the TF card.

According to the invention, since the switch that is sleeved on the push switch is provided, the socket of the switch is sleeved on the push switch, and the slider of the switch is larger than the switch avoidance hole, and the switch is pushed and twisted. The block is located in the lower case to block the switch avoidance hole, so that the dust does not enter the inside of the micro-sound from the switch avoidance hole; the push-pull switch is operated by the handle of the switch, and the operation is convenient. [Description of the Drawings]

1 is an inverted schematic view of a micro-sound according to an embodiment of the present invention;

2 is a schematic diagram showing a combination between a switch push-twist, a push-twist fixing portion, and a lower case according to an embodiment of the present invention;

3 is a schematic diagram of a switch push and twist according to an embodiment of the present invention;

4 is a schematic view of a push-twist fixing portion according to an embodiment of the present invention;

Figure 5 is a schematic diagram of a main circuit board in accordance with an embodiment of the present invention.

Among them: 1, upper shell; 2, middle shell; 3, lower shell; 31, vertical plate; 32, horizontal plate; 33, switch avoidance hole; 34, USB interface; 35, audio socket; 36, TF socket; Inclination angle; 38, vertical protrusion; 4, main circuit board; 41, push switch; 43, audio input hole; 44, USB charging interface; 45, TF interface; 46, headphone interface; 5, switch push and twist; , the sleeve portion; 52, the slider; 53, the handle; 6, push and twist fixed portion; 61, hot melt hole; 62, fold.

【detailed description】

A micro-sound, comprising a lower casing for fixing a main circuit board, wherein the main circuit board is provided with a push-pull switch for controlling the micro-acoustic opening and closing, and the lower casing is provided with a pusher for avoiding the push-pull switch a switch avoidance hole; further comprising a switch push and pull sleeve that is sleeved on the push switch, the switch push and twist includes a sleeve portion sleeved on the push switch and a slider larger than the switch avoidance hole and smaller than The switch avoids the handle of the hole. According to the invention, since the switch that is sleeved on the push switch is provided, the socket of the switch is sleeved on the push switch, and the slider of the switch is larger than the switch avoidance hole, and the switch is pushed and twisted. The block is located in the lower case to block the switch avoidance hole, so that the dust does not enter the inside of the micro-sound from the switch avoidance hole; the push-pull switch is operated by the handle of the switch, and the operation is convenient.

The invention will now be further described with reference to the drawings and preferred embodiments.

As shown in FIGS. 1 to 5, the micro-sound includes a casing, a horn fixed in the casing, a circuit board, and a battery for supplying power to the micro-sound; the casing includes an upper casing 1, a middle casing 2 and a lower casing 3, The horn is fixed on the middle case 2 by screws, and the middle case 2 is provided with a first annular protrusion which surrounds the horn, and the inner wall of the upper case 1 is provided a closed cymbal sleeve is disposed on the first annular protrusion, and the closed cymbal seals the lar which is sealed in the micro-acoustic to form a closed front sound chamber, and the lower sound chamber and the middle shell form a rear sound chamber, the front sound chamber Cooperating with the rear sound chamber, effectively improving the resonance effect of the subwoofer of the Rabba and improving the sound quality of the micro-audio.

The circuit board includes a main circuit board 4 and a key circuit board for adjusting the main circuit board. The main circuit board 4 is fixed in the lower case 3 by screws. The main circuit board 4 is provided with a push switch 41 for controlling the micro audio opening and closing, and a TF interface 45. The USB charging interface 44, the audio input hole 43, the earphone interface 46 and the radio antenna, wherein the push switch 41, the USB charging interface 44, and the audio input hole 43 are arranged side by side, and the earphone interface 46 is located at one end of the main circuit board 4, on the lower case The switch avoidance hole 33, the USB interface 34, the audio jack 35, and the earphone avoidance hole respectively corresponding to the switch are provided.

The micro-audio further includes a switch push button 5 that is sleeved on the push switch 41. The switch push pin 5 includes a sleeve portion 51 that is sleeved on the push switch and a slider 52 that is larger than the switch avoidance hole 33 and smaller than the switch avoidance hole 33. The handle 52, the slider 52 is fixed in the lower casing 3 to block the switch avoidance hole 33 to prevent dust from entering, the handle 53 protrudes from the switch avoidance hole 33, and the switch push button 41 is controlled by the handle 53.

The side wall of the lower case 3 gradually protrudes outward from the bottom, and the side wall of the lower case 3 is provided with a vertical plate 31 perpendicular to the bottom of the lower case and a horizontal plate 32 connecting the riser 31 and the outer side of the lower case, the switch avoidance hole 33, the USB interface 34. The audio jack 35 is located on the vertical plate 31. Thus, the handle 53 of the switch push button 5 is located not only on the outer side of the casing but also on the outer side wall of the lower casing 3, thereby avoiding the unintentional opening of the push switch 41 caused by the handle 53 protruding from the outer side wall of the casing.

The micro-audio further includes a push-and-twist fixing portion 6 for defining the switch push-tooth 5, and the push-to-fix portion 6 is L-shaped. The push-and-twist fixing portion 6 is thermally fixed to the horizontal plate 32. The push-torsion fixing portion 6 is provided with two hot-melt holes 61 arranged side by side, and the horizontal plate 32 is provided with a heat-melting column which is matched with the hot-melt hole 61. In order to better fix the push-and-twist fixing portion 6, a downward inclination angle 37 is provided on the outer side of the horizontal plate 32, and the button fixing portion 7 is provided with a fold corresponding to the inclination angle 37, and the switch push button 5 and the push button fixing portion 6 are provided. See Figure 2 for a schematic diagram of the combination between the lower case and the lower case 3.

Vertical projections 38 that protect the TF interface 45 are provided at both ends of the TF socket 36. In order to facilitate insertion of the TF card, a concave arcuate recess is provided below the TF socket 36. The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A micro-audio, characterized in that it includes a lower shell for fixing the main circuit board. The main circuit board is provided with a push switch for controlling the on and off of the micro-audio. The lower shell is provided with a switch for avoiding the The switch avoidance hole of the push-dial switch also includes a switch push-button sleeved on the push-dial switch. The switch push-button includes a sleeve portion sleeved on the push-dial switch and a hole larger than the switch avoidance hole. The hole for the slider and handle is smaller than the switch avoidance hole.

2. The micro-audio speaker according to claim 1, wherein the side walls of the lower shell gradually protrude outward from the bottom, and the side walls of the lower shell are provided with vertical plates and connections perpendicular to the bottom of the lower shell. The vertical plate and the horizontal plate outside the lower shell, the switch escape hole is located on the vertical plate, and the length of the handle is smaller than the width of the horizontal plate.

3. The micro speaker according to claim 2, wherein the micro speaker further includes a push and twist fixing part used to limit the push and twist of the switch, and the push and twist fixing part is L-shaped.

4. The micro-audio speaker according to claim 3, wherein the push-and-turn fixing part is hot-melt-fixed to the horizontal plate, and a hot-melt column is provided on the horizontal plate, and the push-and-turn fixing part is A hot melt hole matching the hot melt pillar is provided.

5. The micro-audio speaker according to claim 4, characterized in that there are two thermal melt holes, which are arranged side by side on the push-and-twist fixing part.

6. The micro-speaker according to claim 3, wherein the outer side of the horizontal plate is provided with a downward inclination angle, and the push-and-twist fixing part is provided with a fold that matches the inclination angle.

7. The micro-speaker according to claim 2, wherein the main circuit board is also provided with a USB charging interface, an audio input hole and a TF interface arranged side by side with the switch; the vertical plate is provided with A USB socket and an audio socket adapted to the USB interface and audio input hole, and a TF socket matching the TF interface is also provided on the lower shell.

8. The micro speaker according to claim 8, characterized in that vertical protrusions are provided at both ends of the TF socket to protect the TF interface.

9. The micro speaker according to claim 8, characterized in that a concave arc-shaped depression is provided below the TF socket.