A mobile phone external audio structure

Abstract

The utility model relates to the technical field of mobile phone external audio, and in particular to a mobile phone external audio structure, including a circuit board, a speaker and a battery inside a bottom shell; the speaker is electrically connected to the circuit board; a Bluetooth module is arranged on the circuit board; a through hole is arranged at the bottom of the bottom shell at a position directly opposite to the speaker; a speaker net is fixed on the through hole; and a magnetic ring is fixed inside the bottom shell. When using the utility model, a metal sticker that can be adsorbed and fixed by the magnetic ring needs to be adhered and fixed on the mobile phone; the mobile phone and the bottom shell can be fixed as one by using the magnetic ring to generate an adsorption force on the metal sticker on the mobile phone; the bottom shell is equivalent to a stand for the mobile phone, and the speaker integrates the mobile phone stand and the external speaker function after Bluetooth connection, which is more convenient to use when the mobile phone is externally played.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone external audio, in particular to a mobile phone external audio structure. Background Art

[0002] External mobile phone speakers are connected to the phone via wired or wireless (usually a Bluetooth module). The sound on the phone is output through an external speaker amplifier and is often used for indoor and outdoor music and video playback.

[0003] In the existing mobile phone external audio structure, there is no structure for fixing the mobile phone on the audio. When watching the mobile phone, an additional mobile phone holder is required for use, which causes an additional burden to the user and is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a mobile phone external audio structure in view of the defects and shortcomings of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model discloses an external audio structure for a mobile phone, which comprises a bottom shell; a circuit board, a speaker and a battery inside the bottom shell; the speaker is electrically connected to the circuit board; a Bluetooth module is arranged on the circuit board; a through hole is arranged at the bottom of the bottom shell at a position directly opposite to the speaker; a speaker net is fixed on the through hole; and a magnetic attraction ring is fixed inside the bottom shell.

[0007] Furthermore, a bracket positioning groove is provided on the back of the bottom shell; a support bar is hinged in the bracket positioning groove.

[0008] Furthermore, one end of the speaker mesh is hinged on the bottom shell.

[0009] Furthermore, an inner groove is provided inside the bottom shell; a rotating shaft is provided inside the inner groove; one end of the rotating shaft extends into the inner groove; the other end of the rotating shaft extends into the bracket positioning groove; a foam rubber pad is provided on the end surface of the inner groove.

[0010] Furthermore, one end face of the bottom shell away from the speaker mesh is open; a foam ring is arranged around the inner cavity of the bottom shell; a foam pad is arranged on the outer surface of the circuit board; the foam pad is provided with a back patch sealed to the open end face of the bottom shell on the surface away from the circuit board; the foam ring, circuit board, foam pad and back patch are arranged in sequence in the direction away from the speaker mesh.

[0011] Furthermore, a flange matching the foam ring is arranged around the inner side wall of the bottom shell; and the foam ring is attached to the flange.

[0012] Furthermore, a plurality of buckle grooves are arranged on the side wall of the bottom shell; a plurality of buckles are arranged on the back patch; the buckles are respectively buckled and fixed in the buckle grooves; and the back patch presses the foam ring onto the bottom shell.

[0013] Furthermore, the magnetic ring is any one of a permanent magnet and an electromagnet.

[0014] After adopting the above structure, the beneficial effects of the utility model are as follows: the external audio structure of a mobile phone described in the utility model includes a bottom shell; a circuit board, a speaker and a battery inside the bottom shell; the speaker is electrically connected to the circuit board; a Bluetooth module is arranged on the circuit board; a through hole is arranged at the bottom of the bottom shell at a position directly opposite to the speaker; a speaker net is fixed on the through hole; a magnetic ring is fixed inside the bottom shell. When using the utility model, if the back cover of the mobile phone is made of magnetic conductive material, the mobile phone can be directly adsorbed with the magnetic ring of the device to fix the mobile phone; if a magnetic suction sheet is arranged inside the back cover of the mobile phone, the mobile phone can be directly adsorbed with the magnetic suction ring of the device to fix the mobile phone; if the back cover of the mobile phone is made of non-magnetic conductive material, a magnetic conductive material patch or magnetic suction sheet can be attached to the back cover of the mobile phone, so that the mobile phone can also be directly adsorbed with the magnetic suction ring of the device to fix the mobile phone. The device becomes a holder for the mobile phone, and the audio integrates the external speaker function after the mobile phone holder and Bluetooth connection, which is more convenient to use when the mobile phone is externally played. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the first visual stereogram of the utility model;

[0016] Figure 2 It is the second visual stereogram of the utility model;

[0017] Figure 3 It is the first visual exploded view of the utility model;

[0018] Figure 4 It is the second visual explosion diagram of the utility model;

[0019] Figure 5 It is a structural diagram of the connection between the bottom shell and the rotating shaft;

[0020] Figure 6 It is a cross-sectional view of the utility model;

[0021] Figure 7 This is a three-dimensional perspective diagram of the speaker mesh in the utility model as a flip structure;

[0022] Description of reference numerals:

[0023] 1. Bottom shell; 101. Bracket positioning groove; 102. Inner groove; 103. Flange; 104. Buckle groove; 2. Speaker mesh; 3. Support bar; 4. Power switch; 5. Back patch; 501. Buckle; 6. Foam pad; 7. Shaft; 8. Circuit board; 9. Speaker; 10. Magnetic ring; 11. Battery; 12. Foam ring; 13. Foam rubber pad; 14. Magnet. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 7 As shown, the utility model discloses an external audio structure for a mobile phone, which comprises a bottom shell 1; a circuit board 8, a speaker 9 and a battery 11 inside the bottom shell 1; the speaker 9 is electrically connected to the circuit board 8; a Bluetooth module is arranged on the circuit board 8; a through hole is arranged at the bottom of the bottom shell 1 at a position directly opposite to the speaker 9; a speaker mesh 2 is fixed on the through hole; a magnetic ring 10 is fixed inside the bottom shell 1; a power switch 4 connected to the circuit board 8 is arranged on the side surface of the bottom shell 1; the power switch 4 is used to connect the power supply and the circuit board 8.

[0026] After the Bluetooth is turned on, the mobile phone connects to the Bluetooth module of the circuit board 8; the battery 11 supplies power to the circuit board 8; and a charging module for charging the battery 11 is also provided on the circuit board 8.

[0027] When used with an Apple mobile phone, a magnet 14 is added to one side of the magnetic ring 10 , and the two magnetic positions of the Apple mobile phone are adsorbed and fixed by the magnetic ring 10 and the magnet 14 , so that the Apple mobile phone is completely positioned on the back patch 5 .

[0028] Before use, if the back cover of the mobile phone is made of magnetic conductive material, the mobile phone can be directly adsorbed with the magnetic ring of the device to fix the mobile phone; if a magnetic suction sheet is set inside the back cover of the mobile phone, the mobile phone can be directly adsorbed with the magnetic suction ring of the device to fix the mobile phone; if the back cover of the mobile phone is made of non-magnetic conductive material, a magnetic conductive material patch or magnetic suction sheet can be attached to the back cover of the mobile phone, so that the mobile phone can also be directly adsorbed with the magnetic suction ring of the device to fix the mobile phone. The device becomes a holder for the mobile phone, and the speaker integrates the mobile phone holder and the external speaker function after Bluetooth connection, which is more convenient to use when the mobile phone is externally played.

[0029] As a preferred embodiment of the present invention, a bracket positioning groove 101 is provided on the back of the bottom shell 1; a support bar 3 is hinged in the bracket positioning groove 101; the support bar 3 is hidden in the bracket positioning groove 101 when not in use; when the bottom shell 1 needs to be erected, one end of the support bar 3 is pulled out from the bracket positioning groove 101, and the bottom edge of the bottom shell 1 and the support bar 3 are supported on the supporting surface, forming a multi-point stable support structure that is not in the same straight line, so that the mobile phone on the bottom shell 1 can be erected, which is convenient for viewing the content on the mobile phone.

[0030] As a preferred embodiment of the present invention, one end of the speaker mesh 2 is hinged to the bottom shell 1; Figure 6 and 7 As shown, the speaker grille 2 is hinged and can be opened to a certain angle, and the speaker grille 2 is directly used as a support to make the mobile phone on the bottom shell 1 stand upright.

[0031] As a preferred embodiment of the utility model, an inner groove 102 is provided inside the bottom shell 1; a rotating shaft 7 is provided inside the inner groove 102; one end of the rotating shaft 7 extends into the inner groove 102; the other end of the rotating shaft 7 extends into the bracket positioning groove 101; a foam rubber pad 13 is provided on the end surface of the inner groove 102; the foam rubber pad 13 is used to seal the end surface of the inner groove 102, so that the position of the rotating shaft 7 is sealed, which can further enhance the sealing of the rotating shaft 7 at the connection position.

[0032] As a preferred embodiment of the present invention, the end face of the bottom shell 1 away from the speaker mesh 2 is open; a foam ring 12 is arranged around the inner cavity of the bottom shell 1; a foam pad 6 is arranged on the outer surface of the circuit board 8; a back patch 5 sealed on the open end face of the bottom shell 1 is arranged on the surface of the foam pad 6 away from the circuit board 8; the foam ring 12, the circuit board 8, the foam pad 6 and the back patch 5 are arranged in sequence in the direction away from the speaker mesh 2;

[0033] The back patch 5 can be made of metal or non-metal (such as plastic). The back patch 5, foam pad 6 and foam ring 12 are fixed on the bottom shell 1; the back patch 5 is used to enhance the hardness of the surface in contact with the mobile phone, and the strength of the back patch 5 can be used to protect the internal structure of the bottom shell 1. The gap between the back patch 5 and the inner surface of the bottom shell 1 is sealed by the foam ring 12 and the foam pad 6 respectively sealed on the edges of the upper and lower end surfaces of the circuit board 8.

[0034] As a preferred embodiment of the present invention, a flange 103 matching the foam ring 12 is arranged around the inner wall of the bottom shell 1 ; the foam ring 12 is attached to the flange 103 ; the foam ring 12 is used to seal the gap between the flange 103 and the back patch 5 .

[0035] As a preferred embodiment of the present invention, a plurality of buckle grooves 104 are provided on the side wall of the bottom shell 1; a plurality of buckles 501 are provided on the back patch 5; the buckles 501 are buckled and fixed in the buckle grooves 104 respectively; the back patch 5 presses the foam ring 12 onto the bottom shell 1;

[0036] The buckle 501 is fastened and fixed with the buckle groove 104 , so that the back patch 5 is fixed on the bottom shell 1 , which facilitates the assembly of the back patch 5 .

[0037] As a preferred embodiment of the present invention, the magnetic ring 10 is any one of a permanent magnet and an electromagnet; the electromagnet is connected to the circuit board 8 .

[0038] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A mobile phone external audio structure, characterized in that: It comprises a bottom shell (1); a circuit board (8), a speaker (9) and a battery (11) inside the bottom shell (1); the speaker (9) is electrically connected to the circuit board (8); a Bluetooth module is arranged on the circuit board (8); a through hole is arranged at the bottom of the bottom shell (1) at a position directly opposite to the speaker (9); a speaker net (2) is arranged at a position corresponding to the through hole; and a magnetic attraction ring (10) is fixed inside the bottom shell (1).

2. The mobile phone external audio structure according to claim 1, characterized in that: The speaker mesh (2) is fixed on the bottom shell (1); a bracket positioning groove (101) is provided on the back of the bottom shell (1); and a support bar (3) is hinged in the bracket positioning groove (101).

3. The mobile phone external audio structure according to claim 1, characterized in that: One end of the speaker mesh (2) is hinged on the bottom shell (1).

4. The mobile phone external audio structure according to claim 2, characterized in that: An inner groove (102) is provided inside the bottom shell (1); a rotating shaft (7) is provided inside the inner groove (102); one end of the rotating shaft (7) extends into the inner groove (102); the other end of the rotating shaft (7) extends into the bracket positioning groove (101); and a foam rubber pad (13) is provided on the end surface of the inner groove (102).

5. The mobile phone external audio structure according to claim 1, characterized in that: One end face of the bottom shell (1) away from the speaker mesh (2) is open; a foam ring (12) is arranged around the inner cavity of the bottom shell (1); a foam pad (6) is arranged on the outer surface of the circuit board (8); a back patch (5) is arranged on the surface of the foam pad (6) on the side away from the circuit board (8) and is sealed to the open end face of the bottom shell (1); the foam ring (12), the circuit board (8), the foam pad (6) and the back patch (5) are arranged in sequence in a direction away from the speaker mesh (2).

6. The mobile phone external audio structure according to claim 5, characterized in that: The inner side wall of the bottom shell (1) is provided with a flange (103) matching the foam ring (12) around its periphery; the foam ring (12) is fitted onto the flange (103).

7. The mobile phone external audio structure according to claim 5, characterized in that: A plurality of buckle grooves (104) are provided on the side wall of the bottom shell (1); a plurality of buckles (501) are provided on the back patch (5); the buckles (501) are respectively buckled and fixed in the buckle grooves (104); and the back patch (5) presses the foam ring (12) onto the bottom shell (1).

8. The mobile phone external audio structure according to claim 1, characterized in that: The magnetic attraction ring (10) is any one of a permanent magnet and an electromagnet.

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