WO2015149247A1

WO2015149247A1 - Portable miniature audio player

Info

Publication number: WO2015149247A1
Application number: PCT/CN2014/074449
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2014-03-31
Filing date: 2014-03-31
Publication date: 2015-10-08

Abstract

A portable miniature audio player comprising a body (1), battery (4) fixed within the body with a battery compartment (8), a main circuit board (9) fixed at the bottom of the battery compartment (8), a button circuit board (5) fixed at an extremity of the battery compartment (8), and an engaging ring (7) tightly fitted with the body (1) to prevent the battery compartment (8) from slipping out of the body. Protruding buttons are provided on the button circuit board (5). The portable miniature audio player also comprises a button pad (6) provided between the button circuit board (5) and the engaging ring (7). The button pad (6) is configured to fit the button circuit board (5) and prevents the button circuit board (5) from being exposed directly at an extremity of the body (1), thus protecting the button circuit board (5).

Description

Portable mini speaker

[Technical Field]

The present invention relates to the field of audio and, more particularly, to a portable mini stereo. 【Background technique】

I have designed a portable mini stereo, including a cylindrical body and a hand-sized body; a circuit board, a horn and a battery fixed inside the main body; a battery compartment that fixes the battery, and a battery compartment in the main body The two sides are provided with elongated convex plates protruding outwardly, and two sides of the main body are provided with two parallel strip-shaped protrusions which are matched with the convex plates, and the battery compartment is stuck on the strip of the main body The bulge is provided at both ends of the body, the horn is fixed at one end of the main body with glue, and the portable mini speaker further includes a horn net for protecting the horn; the circuit board includes a TF card a main circuit board of the interface and the USB interface, and a key circuit board for controlling the main circuit board, the TF card interface and the USB interface are disposed at the same end of the main circuit, and the main circuit board is screwed to the bottom of the battery compartment, The button circuit board is adapted to be disposed at an end of the main body and fixed to one end of the battery compartment by screws, and a first avoidance hole for avoiding the TF card interface and the USB interface is disposed on the button circuit board. The portable mini speaker further includes a collar for the button circuit board and closely matched with the main body; the button circuit board is provided with a switch, a volume adjustment button, and an upper adjustment button and a lower adjustment button for adjusting the music playback sequence. The keys are all convex buttons. This program is not public. The button is exposed to the air directly at the end of the body, and there is dust or other magazines in the air that may accelerate the damage of the button circuit board and affect the life of the portable mini sound.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a portable mini speaker with a button circuit board protection device.

The object of the present invention is achieved by the following technical solutions: a portable mini stereo, including The main body and the battery fixed in the main body by the battery compartment, the main circuit board fixed at the bottom of the battery compartment, the key circuit board fixed at one end of the battery compartment, and the card which is tightly arranged with the main body to slide out the battery compartment from the main body a button, the button circuit board is provided with a protruding button, the portable mini speaker further includes a button board disposed between the button circuit board and the collar, the button board is suitable for the button circuit board setting .

Preferably, the corresponding position of the button of the button plate is provided with an outward convex protrusion, and the button is stuck in the protrusion. This makes it easier to fit the keypad onto the button circuit board.

Preferably, the protrusion is internally provided with a bump that is in contact with the button. This allows for better control of the buttons.

Preferably, the outer side of the key sheet is provided with a recess for placing the collar. This makes it easy to install the collar.

Preferably, the height of the recess is equal to the thickness of the collar. This way, after installing the collar, press the keypad to keep it flush with the collar.

Preferably, the button plate is internally provided with a support bone that is flush with the recess. The support bone can be set to support the keypad.

Preferably, the support bone is annular and the ring is disposed. This is the specific form of support bone.

Preferably, the outer side of the collar is provided with a first thread, and the fixed end of the collar of the body is also provided with a second thread that cooperates with the first thread. This will screw the collar into the body.

Preferably, the outer side of the collar is provided with a rotating snap point. This makes it easy to assemble the collar.

Preferably, the rotating card points are two and symmetrically arranged. This is the specific form of setting up the rotating card point. In the invention, a button board is arranged between the button circuit board and the collar, and the button board is stuck between the button circuit board and the collar, and the button board is suitable for the button circuit board setting, thereby avoiding directly exposing the button circuit board to the button board. The body end protects the button circuit board to a certain extent.

[Description of the Drawings] 1 is a schematic overall view of a portable mini speaker according to an embodiment of the present invention;

2 is a schematic exploded view of a portable mini speaker according to an embodiment of the present invention;

3 is a schematic view showing the assembly of a key circuit board, a main circuit board, a battery, and a battery compartment according to an embodiment of the present invention;

4 is a schematic view of a key sheet according to an embodiment of the present invention;

Figure 5 is a schematic view of a fixing ring according to an embodiment of the present invention;

Figure 6 is a transverse cross-sectional view of a portable mini speaker in accordance with an embodiment of the present invention.

Among them: 1, the main body; 101, depression; 102, strip-like protrusion; 2, speaker net; 3, speaker; 4, battery; 5, button circuit board; 6, button board; 61, bump; 63, TF card Avoidance hole; 64, USB avoidance hole; 65, recess; 7, the collar; 71, the first thread; 8, the battery compartment; 9, the main circuit board; 10, TF card; 11, hardware.

【detailed description】

A portable mini speaker comprising a main body and a battery fixed in the main body with a battery compartment, a main circuit board fixed at the bottom of the battery compartment, a key circuit board fixed at one end of the battery compartment, and a battery compartment placed in close contact with the main body a button that slides out of the main body, the button circuit board is provided with a protruding button, and the portable mini speaker further includes a button board disposed between the button circuit board and the collar, the button board Suitable for the button circuit board settings. In the invention, a button board is arranged between the button circuit board and the collar, and the button board is stuck between the button circuit board and the collar, and the button board is suitable for the button circuit board setting, thereby avoiding directly exposing the button circuit board to the button board. The body end protects the button circuit board to a certain extent.

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

As shown in FIGS. 1 to 6, the portable mini speaker includes a body 1 in a cylindrical shape and suitable for hand size, a circuit board fixed inside the main body 1, a speaker 3 electrically connected to the circuit board, and a speaker 3 and The circuit board provides a battery for power supply 4. The main body 1 is arranged in a cylindrical shape so that the user does not stick the user's hand when the user holds the main body 1 by hand; the main body 1 is suitable for the size of the hand so that there is no grip. Condition. The outer side of the main body 1 is provided with a gentle recess 101, where the recess 101 corresponds to a placing surface, so that the portable mini speaker does not sway on the placing portion when it is placed horizontally.

The portable mini speaker further includes a battery compartment 8 for fixing the battery 4. The battery compartment 8 is provided with outwardly convex convex plates on both sides thereof, and two sides of the main body 1 are provided with two parallel lines which are matched with the convex plates. The strip-shaped projections 102, the battery compartment 8 are caught in the strip-like projections 102 of the main body 1. A metal piece 11 for fixing the positive and negative electrodes of the battery is respectively disposed at two ends of the battery compartment 8, and is connected to the circuit board and the speaker through the metal piece 11, so that the assembly is convenient.

The main body 1 is provided with openings at both ends thereof, and the horn 3 is fixed at one end of the main body 1 with glue, and the portable mini speaker further includes a horn net 2 disposed outside the horn 3. The speaker net 2 is suitable for the main body 1 and is fixed in the main body 1 with glue. The circuit board includes a main circuit board 9 provided with a TF card interface and a USB interface, and a key circuit board 5 for controlling the main circuit board 9. The main circuit board 9 is screwed to the bottom of the battery compartment 8, and the key circuit board 5 is screwed to one end of the battery compartment 8. A first escaping hole for avoiding the TF card interface and the USB interface is disposed on the button circuit board 5, and the button circuit board 5 is provided with a protruding button, and the portable mini speaker further includes a button circuit board 5 and the collar 7 The button board 6 between the buttons 6 is suitable for the button circuit board 5.

The corresponding position of the button of the key sheet 6 is provided with an outwardly convex projection 61, and the button is caught in the projection 61. This makes it easier to place the keypad 6 on the button circuit board 5. For better control of the button, a bump (not shown) in contact with the button is provided inside the projection 61.

The edge of the key sheet 6 is provided with a recess 65 for placing the collar 7 and the height of the recess 65 is equal to the thickness of the collar 7, so that the setting not only facilitates the mounting of the collar 7 but also the button panel 6 is flush with the collar 7 after assembly.

The key sheet 6 is internally provided with a support bone (not shown) supporting the key sheet and the support bone is flush with the recess. In this embodiment, the support bone is annular and the ring is convex.

In order to better fix the collar 7 , a first thread 71 is arranged on the outer side of the collar 7 , and the fixed end of the collar of the body 1 is provided with a second thread which is matched with the first thread, so that the collar can be screwed into the body . And a rotating card point is arranged on the outer side of the collar 7 to fasten the card ring by hand when the rotating card point is fastened during assembly. When entering the main body and when the collar needs to be removed, it is convenient to remove the rotating card point by hand. In this embodiment, the rotation card points are two and symmetrically arranged.

The portable mini stereo is connected to the computer via a USB cable and can play music on the computer. Insert the TF card 10 into the TF card interface, and operate the keypad 6 to play the music on the TF card 10.

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. A portable mini speaker, including a main body and a battery fixed in the main body with a battery compartment, a main circuit board fixed at the bottom of the battery compartment and a button circuit board fixed at one end of the battery compartment, and the The battery compartment slides out of the clamp ring from the main body, and the button circuit board is provided with a protruding button. It is characterized in that the portable mini speaker also includes a button arranged between the button circuit board and the clamp ring. The key board is suitable for the key circuit board.

2. The portable mini speaker according to claim 1, wherein an outwardly protruding protrusion is provided at a position corresponding to the button of the keypad, and the button is stuck in the protrusion.

3. The portable mini speaker according to claim 2, characterized in that the protrusion is provided with a protrusion in contact with the button.

4. The portable mini speaker according to claim 3, characterized in that a depression for placing the clamp ring is provided on the outside of the key plate.

5. The portable mini speaker according to claim 4, wherein the height of the recess is equal to the thickness of the clamp ring.

6. The portable mini speaker according to claim 5, characterized in that a supporting bone flush with the depression is provided inside the key board.

7. The portable mini speaker according to claim 6, wherein the supporting bone is annular and is arranged around the protrusion.

8. The portable mini speaker according to claim 1, wherein a first thread is provided on the outside of the clamp ring, and a second thread is provided on the fixed end of the clamp ring of the main body to cooperate with the first thread. thread.

9. The portable mini speaker according to claim 8, characterized in that a rotation clamping point is provided on the outside of the clamping ring.

10. The portable mini speaker according to claim 9, characterized in that the rotation clamping points are two and are arranged symmetrically.