WO2015127675A1

WO2015127675A1 - Mp3 player

Info

Publication number: WO2015127675A1
Application number: PCT/CN2014/072759
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2014-02-28
Filing date: 2014-02-28
Publication date: 2015-09-03

Abstract

Disclosed is an MP3 player comprising a housing provided with a circuit board, a display screen connected to the circuit board, and a rechargeable battery for supplying power to the circuit board. Screw hole columns used for fixing the circuit board are provided within the housing. Screw holes matching the screw hole columns are provided on the circuit board. The circuit board is fixed with screws within the housing. Because the circuit board is fixed with the screws within the housing and the screws are firmly fixed, the circuit board is prevented from swaying within the housing, thus ensuring normal operation of the MP3 player.

Description

An MP3 player

[Technical Field]

The present invention relates to the field of players and, more particularly, to an MP3 player.

【Background technique】

I have designed an MP3 player that can support music playback in multiple formats, including a housing, a display panel fixed to the inside of the housing, and a display panel electrically connected to the circuit board and a rechargeable battery. There are push switch and data line interface and audio output hole for controlling power on/off: The MP3 player also has the functions of text reading, phone book, recording, radio, system setting, and also has different switching MP3 on the circuit board. The function, the music playing sequence and the sound size pressing button; the housing comprises a relatively fixed and firmly fixed face shell and a bottom shell, the circuit board is corresponding to the housing, and the housing is provided with a push switch, a data line interface and an audio Output hole and pressing button - corresponding switch hole, data line socket, earphone jack and movable button, the circuit board is fixed in the housing by tape bonding. This program is not public. However, since the circuit board is fixed in the casing by adhesive bonding, the adhesive tape is not firmly fixed, and the circuit board is easily loosened when the data cable, the earphone or the control switch is plugged or unplugged, resulting in poor contact.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide an MP3 player that securely fixes a circuit board. The object of the present invention is achieved by the following technical solutions: An MP3 player comprising a housing provided with a circuit board, a display screen electrically connected to the circuit board, and a rechargeable battery for supplying power to the circuit board, the case A screw hole post for fixing the circuit board is disposed in the body, and the circuit board is provided with a screw hole matched with the screw hole column, and the circuit board is fixed in the housing by screws.

Preferably, the housing includes oppositely disposed face and rear cases, and the screw holes are disposed inside the face shell. This screws the board into the case.

Preferably, the screw hole column is provided with a limiting platform, and the circuit board terminates at the limiting platform, and the diameter of the limiting platform is larger than the diameter of the screw hole. The screw hole post is inserted into the screw hole and passed The screws are fixed so that the screw holes are limited to the board to prevent the board from moving, and the arrangement can make the board more secure.

Preferably, the screw holes are respectively disposed on two sides of the circuit board. This is the specific number of screw holes fixed between the circuit board and the face shell. The corresponding screw hole posts are also two. Two screws can firmly fix the circuit board in the face shell.

Preferably, one end of the circuit board is disposed with an audio output hole and a charging interface, and one end of the surface shell is provided with a charging jack and a headphone jack that cooperate with the audio output hole and the charging interface, and the display screen is fixed at The other end of the face shell is provided with a display avoidance hole smaller than the display screen. In this way, the display screen is fixed at the other end of the face shell, and the face shell plays a certain limit on the display screen, which is convenient for assembly.

Preferably, the edge of the display avoidance hole is provided with a recess adapted to the display screen. This setting prevents the display area of the display from coming into contact with the face shell.

Preferably, the distance from the screw hole column to the fixed end of the display screen of the face shell is equal to the length of the display screen. In this way, the end of the screw hole post and the face shell acts as a limit on the display, and does not slide inside the housing after assembly.

Preferably, the face shell is further provided with a protruding display limit portion. This is to better fix the display.

Preferably, the circuit board and the display screen are connected by a flexible circuit board, the circuit board is disposed at a large size, and the circuit board is provided with a notch smaller than the display screen corresponding to the position of the display screen. The battery is glued to the back of the display. This full and reasonable use of space does not result in a large housing due to wasted space.

In the invention, since the circuit board is screwed in the casing with screws, the screws are firmly fixed, so that the circuit board does not shake in the casing, thereby ensuring the normal use of the MP3 player. [Description of the Drawings]

1 is a schematic diagram of splitting of an MP3 player according to an embodiment of the present invention; Figure 2 is a schematic view of the inside of a face shell according to an embodiment of the present invention;

3 is a schematic diagram of a combination of a circuit board and a display screen according to an embodiment of the present invention;

4 is a schematic view showing the combination of a circuit board and a face shell according to an embodiment of the present invention.

Among them: 1, the bottom shell; 2, the shell; 3, the circuit board; 21, the display avoidance hole; 22, the display limit portion; 23, the screw hole column; 24, the headphone jack; 25, the charging socket; Second escape hole; 27, baffle; 28, button; 29, opening; 3, circuit board; 31, screw hole; 32, button; 33, push switch; 34, charging interface; 35, audio output hole; 4, the baffle; 5, the display; 6, push button; 7, battery.

【detailed description】

An MP3 player includes a housing provided with a circuit board, a display screen electrically connected to the circuit board, and a rechargeable battery for supplying power to the circuit board, wherein the housing is provided with a screw hole column for fixing the circuit board. The circuit board is provided with a screw hole that cooperates with the screw hole column, and the circuit board is fixed in the housing by screws. In the invention, since the circuit board is screwed in the casing with screws, the screws are firmly fixed, so that the circuit board does not shake in the casing, thereby ensuring the normal use of the MP3 player.

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

As shown in FIGS. 1 to 4, the MP3 player includes a housing having a circuit board 3, a display screen 5 and a battery 7 built therein, the housing including a bottom case 1 and a face case 2 opposite to the bottom case 1, a face case 2 and a bottom The case 1 is detachably fixed. A screw hole post 23 for fixing the circuit board 3 is provided in the face shell 2, and a screw hole is provided on the circuit board 3 in cooperation with the screw hole post 23. There are two screw holes 31, which are arranged on both sides of the circuit board 3. The corresponding screw hole posts 23 are also two, and the two screws can firmly fix the circuit board 3 in the face shell 2. The screw hole column 23 is provided with a limiting platform, and the circuit board 3 terminates at the limiting platform, and the diameter of the limiting platform is larger than the diameter of the screw hole. The screw hole post is inserted into the screw hole and then fixed by screws, so that the screw hole column has a limited position on the circuit board to prevent the circuit board from moving, and the arrangement can make the circuit board fixed more firmly.

One end of the circuit board 3 is arranged side by side with a charging interface 34 for charging the battery and an audio output hole 35 for inserting the earphone, and one end of the face shell 3 is provided with a charging plug which cooperates with the audio output hole 35 and the charging port 34. The hole 25 and the earphone jack 24 are fixed to the other end of the face shell 2, and the face shell 2 is provided with a display avoidance hole 21 smaller than the display screen 5. In order to prevent the display area of the display screen 5 from coming into contact with the face shell 2, the edge of the display avoidance hole 21 is provided with a recess adapted to the display screen.

The distance from the screw hole post 23 to the fixed end of the display of the face shell 2 is equal to the length of the display screen 5. The screw hole post 23 and the end of the face shell 2 limit the display, and will not slide inside the housing after assembly. In order to better fix the display, the face shell is also provided with a convex display limit portion 22.

The MP3 player has functions of music function, radio function, recording function, voice function, system setting, text reading and phone book, and a button 32 for adjusting MP3 is provided on the circuit board 3. Button 32 is placed on board 3 between screw hole 31 and charging port 34 and audio output port. A movable button 28 is provided at a position corresponding to the button of the face shell 2, and an opening 29 of the ring button 28 is provided at the edge of the button 28, and the button 28 can be moved up and down.

One side of the circuit board 3 is further provided with a push switch 33 for controlling whether or not the battery is powered. The second case 21 and the bottom case 1 are respectively provided with a second escape hole 26 and a first escape hole which cooperate with the push switch 33. The MP3 player also includes a push button 6 on the push switch 33, and a shutter 27 for fixing the push button 6 is provided at both ends of the second escape hole 26. The circuit board 3 and the display screen 5 are connected by a flexible circuit board, and the circuit board 3 is provided with a notch smaller than the display screen at the position of the display screen, and the battery 7 is fixed to the back of the display screen 5 by glue. This full and reasonable use of space will not cause a large housing due to wasted space. The MP3 player also includes a cover 4 for covering the display 5 of the cover case 5.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Rights request

1. An MP3 player, characterized in that it includes a casing provided with a circuit board, a display screen electrically connected to the circuit board, and a rechargeable battery that provides power to the circuit board. The casing is provided with a circuit board for fixing the circuit board. screw hole posts, the circuit board is provided with screw holes that match the screw hole posts, and the circuit board is fixed in the housing with screws.

2. The MP3 player according to claim 1, characterized in that the housing includes a face shell and a rear shell arranged oppositely, and the screw hole posts are provided on the inside of the face shell.

3. The MP3 player according to claim 2, wherein the screw hole column is provided with a limiting platform, the circuit board terminates at the limiting platform, and the diameter of the limiting platform is larger than the limiting platform. The diameter of the screw hole.

4. The MP3 player according to claim 3, characterized in that two screw holes are provided on both sides of the circuit board.

5. The MP3 player according to claim 2, wherein one end of the circuit board is provided with an audio output hole and a charging interface side by side, and one end of the cover is provided with an audio output hole and a charging interface that match the audio output hole and the charging interface. A charging jack and a headphone jack, the display screen is fixed on the other end of the face case, and the face case is provided with a display screen avoidance hole that is smaller than the display screen.

6. The MP3 player according to claim 5, characterized in that the edge of the display screen avoidance hole is provided with a depression that is adapted to the display screen.

7. The MP3 player according to claim 6, characterized in that the distance from the screw hole post to the fixed end of the display screen of the front case is equal to the length of the display screen.

8. The MP3 player according to claim 7, wherein the front case is further provided with a protruding display screen limiter.

9. The MP3 player according to claim 7, wherein the circuit board and the display screen are connected by a flexible circuit board, the circuit board and the front case are arranged in the same size, and the circuit board corresponds to the display screen. There is a gap smaller than the display screen at the position of the screen, and the battery is fixed on the back of the display screen with glue.