Bluetooth audio receiver with coiling device

Abstract

The utility model discloses a Bluetooth audio receiver with a coiling device, which comprises a case main body, a sound source arranged at a first end of the case main body, and a coiling device arranged at a second end of the case main body and comprising a round shell and a coiling mechanism. The round shell comprises an upper shell and a lower shell, a side opening for a wire body to go in and out is formed in the side part after the upper shell and the lower shell are assembled, a positioning column with a straight slot is arranged on the inner bottom surface of the lower shell, the upper shell is provided with an avoiding hole and a button switch, and the button switch is arranged on the outer shell surface of the upper shell and is close to the button switch; and the winding mechanism is rotatably sleeved on the positioning column. According to the utility model, the Bluetooth audio receiver can accommodate the earphone line, so that the earphone line is not messy any more. According to the Bluetooth audio receiver provided by the utility model, the coiling device is improved, so that the roll-type spring piece is not easy to fall off, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to an audio receiver, in particular to a Bluetooth audio receiver with a winding device. Background Art

[0002] A Bluetooth audio receiver, also known as a wireless audio adapter, can establish wireless communication with electronic audio playback devices via Bluetooth. The wireless audio receiver can be plugged into ordinary wired headphones to achieve wireless communication between the wired headphones and the electronic playback device. After the wired headphones are connected to the wireless audio receiver, they can get the experience of using wireless headphones to a certain extent.

[0003] In the prior art, the plug hole of the wireless audio receiver is set on the outer wall, and the wired earphone can be plugged into the plug hole of the wireless audio receiver to achieve connection, but the earphone wire cannot be stored, and the earphone wire is easily damaged due to bending and entanglement. In addition, various wires are placed crosswise on the desktop, making the desktop messy.

[0004] There are many different structures of headphone cord storage devices on the market, including a spring self-contraction structure, in which a coil spring is set inside the shell, and the coil spring automatically retracts the headphone cord through its self-contraction ability. However, the traditional coil spring is easy to disengage after being used for a period of time, resulting in the loss of the self-contraction function, and needs to be disassembled for maintenance.

[0005] In view of this, there is a need to improve the existing Bluetooth audio receiver. Utility Model Content

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a Bluetooth audio receiver with a winding device. The purposes of designing the Bluetooth audio receiver are: first, the Bluetooth audio receiver is equipped with a winding device, and second, the winding device is improved so that the rolled spring sheet is not easy to fall off.

[0007] In order to solve the above technical problems, the utility model is implemented by the following scheme: A Bluetooth audio receiver with a winding device of the utility model includes a chassis body, a sound source arranged at a first end of the chassis body, and a winding device, which is arranged at a second end of the chassis body, and includes:

[0008] A round shell, the round shell comprising an upper shell and a lower shell which are covered and connected together, a side opening for the wire body to enter and exit is formed on the side of the upper shell and the lower shell after being assembled, a positioning column with a straight groove is provided on the inner bottom surface of the lower shell, and an avoidance hole and a buckle switch are provided on the upper shell. The buckle switch is provided on the outer shell surface of the upper shell and is located near the buckle switch;

[0009] A wire winding mechanism rotatably sleeved on the positioning column;

[0010] The winding mechanism comprises a rotating disk, a rotating drum, and a first return spring which are sequentially inserted into the positioning column. The side wall of the rotating drum is provided with a vertical side hole. The first return spring is a rolled spring sheet, the inner end of which is clamped in the slot, and the outer end of which is clamped in the vertical side hole. The upper end cover of the rotating drum is connected with a fixed disk, and one of the outer side surfaces thereof is provided with a hanging column.

[0011] The outer disk surface of the fixed disk is provided with a plurality of convex buckles in an annular array, the rotation path of the convex buckles can pass through the avoidance hole, one end of the buckle switch is located in the avoidance hole area and the buckle switch can form an interlocking structure with the convex buckles;

[0012] The outer end of the first return spring is a vertical bending portion, and both sides of the end of the bending portion are convex to form an outwardly protruding buckle head. The bending portion is also provided with at least one V-shaped notch. The bending portion can pass through the vertical side hole and make the outwardly protruding buckle head clamped on the outer edge of the vertical side hole.

[0013] Furthermore, the rotating drum has a plurality of buckles distributed in a ring array at the cover connection end of the fixed disk, and a plurality of buckle holes matched with the buckles distributed in a ring array on the disk surface of the fixed disk.

[0014] Furthermore, the convex buckle is a triangular structure, the buckle surface of which is perpendicular to the outer disk surface of the fixed disk, and the two sides of the convex buckle are right triangles;

[0015] The buckle switch is connected to the outer shell surface of the upper shell through a rotating shaft, and one end of the buckle switch that can enter the avoidance hole is a hook end, and the hook end can form an interlocking structure with the convex buckle;

[0016] A positioning groove is provided on the lower side of the other end of the buckle switch, and a limiting groove is provided on the outer shell surface of the upper shell;

[0017] The buckle switch also includes a spring, one end of which presses into the positioning groove, and the other end of which presses against the limiting groove.

[0018] Furthermore, the upper shell is a round shell provided with a first notch, and the lower shell is a round shell provided with a second notch, and the first notch and the second notch constitute the side opening.

[0019] Furthermore, the wire hanging column is a curved column.

[0020] Furthermore, the inner disk surface of the fixed disk is provided with a column groove for positioning the positioning column.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. The Bluetooth audio receiver of the utility model can store the headphone wire, so that the headphone wire is no longer messy.

[0023] 2. The Bluetooth audio receiver of the utility model makes improvements to the winding device, so that the winding spring piece is not easy to fall off and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a stereoscopic diagram of the Bluetooth audio receiver of the present utility model.

[0025] Figure 2 This is an exploded view of the wire winding device of the utility model.

[0026] Figure 3 This is a structural diagram of the buckle switch of the utility model.

[0027] Figure 4 This is a structural diagram of a first return spring of the utility model having a V-shaped notch at the outer end.

[0028] Figure 5 This is a structural diagram of the utility model in which the outer end of the first return spring has two V-shaped notches.

[0029] Figure 6 This is a structural diagram of the second return spring of the utility model.

[0030] Markings in the accompanying drawings: upper shell 1, buckle switch 2, avoidance hole 3, convex buckle 4, buckle hole 5, fixed plate 6, first return spring 7, buckle head 8, rotating drum 9, vertical side hole 10, hanging column 11, rotating disk 12, positioning column 13, lower shell 14, second return spring 15, sound source 16, chassis body 17, winding device 18, positioning groove 22, hook end 23, spring 24, external convex buckle head 71, V-shaped notch 72. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the utility model. Obviously, the embodiments described in the utility model are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0032] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0033] Embodiment 1, the specific structure of the utility model is as follows:

[0034] Please refer to the attached Figure 1-5The utility model is a Bluetooth audio receiver with a winding device, comprising a chassis body 17, and a sound source 16 disposed at a first end of the chassis body 17, wherein the sound source 16 is a speaker. Figure 1 As shown, the chassis body 17 is a cylindrical structure. A circuit control board is arranged inside the chassis body 17. A Bluetooth module is arranged on the circuit control board. The Bluetooth module is connected to a smart phone, and the sound of the smart phone is played through a speaker.

[0035] The Bluetooth audio receiver further includes a winding device 18, which is disposed at the second end of the chassis body 17. Specifically, in order to facilitate the installation and removal of the winding device 18, the winding device is fixed to the second end of the chassis body 17 by means of a sliding buckle. The winding device 18 is used to wind the headphone cable to prevent the headphone cable from being messy.

[0036] The wire winding device comprises a round shell and a wire winding mechanism.

[0037] The round shell includes an upper shell 1 and a lower shell 14 which are covered and connected together. The side of the upper shell 1 and the lower shell 14 after assembly is formed with a side opening for the wire to enter and exit. The inner bottom surface of the lower shell 14 is provided with a positioning column 13 with a straight groove. The upper shell 1 is provided with an avoidance hole 3 and a buckle switch 2. The buckle switch 2 is arranged on the outer shell surface of the upper shell 1 and is located near the buckle switch 2.

[0038] The wire winding mechanism can be rotatably sleeved on the positioning column 13. The wire winding mechanism includes a turntable 12, a rotating drum 9, and a first return spring 7 which are sequentially sleeved on the positioning column 13. The side wall of the rotating drum 9 is provided with a vertical side hole 10. The first return spring 7 is a rolled spring sheet, the inner end of which is clamped in the slot, and the outer end of which is clamped in the vertical side hole 10. The upper end cover of the rotating drum 9 is connected with a fixed disk 6, and one of the outer side surfaces thereof is provided with a wire hanging column 11. The wire hanging column 11 is a curved column. The curved column 11 is an arc-shaped structure, which is used to drive the wire body to rotate, and the wire body is wound around the outside of the rotating drum 9 during the rotation process. The curvature of the wire hanging column 11 can clamp the headphone wire.

[0039] The rotating drum 9 has a plurality of buckles 8 distributed in an array around the cover end of the fixed disk 6, and a plurality of buckle holes 5 matched with the buckle heads 8 are distributed in an array around the disk surface of the fixed disk 6. There are four buckle holes 5 and four buckle heads 8, and the buckle holes 5 are buckled into the buckle heads 8 so that the fixed disk 6 covers the first return spring 7. The inner disk surface of the fixed disk 6 is provided with a column groove for positioning the positioning column 13, and the upper end of the positioning column 13 is pressed into the column groove, and the column groove is used to increase the stability of the rotation of the rotating drum.

[0040] The outer disk surface of the fixed disk 6 is distributed with a plurality of protruding buckles 4 in a circular array, and the rotation path of the protruding buckles 4 can pass through the avoidance hole 3. One end of the buckle switch 2 is in the avoidance hole 3 area and the buckle switch 2 can form an interlocking structure with the protruding buckle 4; the protruding buckle 4 is a triangular structure, and its buckle surface is perpendicular to the outer disk surface of the fixed disk 6, and the two sides of the protruding buckle 4 are right triangles; the buckle switch 2 is connected to the outer shell surface of the upper shell 1 through a rotating shaft, and the end of the buckle switch 2 that can enter the avoidance hole 3 is a hook end 23, and the hook end 23 can form an interlocking structure with the protruding buckle 4; a positioning groove 22 is provided on the lower side of the other end of the buckle switch 2, and a limit groove is provided on the outer shell surface of the upper shell 1.

[0041] The buckle switch 2 further comprises a spring 24, one end of the spring 24 is pressed into the positioning groove 22, and the other end of the spring 24 is pressed against the limiting groove. The function of the spring 24 is to press the hook end 23 downward.

[0042] The outer end of the first return spring 7 is a vertical bending portion, and the two sides of the end of the bending portion are convexly formed with external buckle heads 71, and the bending portion is also provided with at least one V-shaped notch 72. The bending portion can pass through the vertical side hole 10 and the external buckle head 71 is clamped on the outer edge of the vertical side hole 10. The upper shell 1 is a round shell with a first notch, and the lower shell 14 is a round shell with a second notch. The first notch and the second notch constitute the side opening, and the headphone cable enters and exits from the side opening.

[0043] The utility model makes improvements to the first return spring 7, such as Figure 4 As shown, Figure 4 The first return spring of the utility model has a V-shaped notch at the outer end. In order for the outer convex buckle head 71 to smoothly pass through the vertical side hole 10, a chamfer can be set at the travel end of the outer convex buckle head 71. After the outer convex buckle head 71 passes through the vertical side hole 10, the outer convex buckle heads 71 ​​on both sides are clamped to the outer hole edge of the vertical side hole 10.

[0044] Figure 5 This is a structural diagram of the first return spring of the utility model having two V-shaped notches at the outer end. Figure 5 Two V-shaped notches 72 are provided in the vertical side hole 10 , and the two V-shaped notches 72 make it easier for the outer end of the first return spring to pass through the vertical side hole 10 .

[0045] like Figure 6 As shown, Figure 6 This is a structural diagram of the second return spring 15 of the utility model. There are two externally protruding buckles 71 at the end of the second return spring 15. The two externally protruding buckles 71 are perpendicular to the main body surface of the second return spring 15. When the two externally protruding buckles 71 pass through the vertical side hole 10, the externally protruding buckles 71 on both sides are clamped on the outer hole edge of the vertical side hole 10.

[0046] The outer end structures of the above three first return springs are all provided with chamfers, that is, chamfers are provided at the outer corners of the outer convex buckle heads 71 ​​, so that the outer ends of the three first return springs can pass through the vertical side holes 10 more easily.

[0047] Embodiment 2:

[0048] The Bluetooth audio receiver of the present invention is provided with a winding device 18 at the second end of the chassis body 17 , and the winding device 18 is connected to the second end of the chassis body 17 by a buckle connection, a sliding buckle, or a magnetic attraction.

[0049] The winding device 18 is used to store the headphone cable. The middle area of ​​the headphone cable is fixed to the wire hanging column 11 and cannot be taken out. The cable body is wound on the drum 9, and the headphone head and the headphone plug are blocked in the side opening. When the headphone cable needs to be used, the winding device 18 is completely removed, and then the headphone head and the headphone plug are pulled out. After being pulled out, the first return spring 7 contracts to form a stronger return force, and the headphone cable is pulled out to a suitable length and stopped. At this time, the buckle switch 2 is stuck with the convex buckle 4, and the headphone cable will not automatically retract.

[0050] When the earphone cable is not in use, one only needs to press the buckle switch 2, and the first return spring 7 will automatically retract the earphone cable into the round shell, which is simple and convenient to operate.

[0051] In summary, the Bluetooth audio receiver of the utility model can store the headphone wire, so that the headphone wire is no longer messy. The Bluetooth audio receiver of the utility model improves the winding device, so that the winding spring sheet is not easy to fall off and has a longer service life.

[0052] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A Bluetooth audio receiver with a winding device, comprising a chassis body (17), a sound source (16) disposed at a first end of the chassis body (17), characterized in that: It also includes a wire winding device, which is arranged at the second end of the chassis body (17) and includes: A round shell, the round shell comprising an upper shell (1) and a lower shell (14) which are connected together by covering each other, the side of the upper shell (1) and the lower shell (14) after being assembled is formed with a side opening for the wire body to enter and exit, the inner bottom surface of the lower shell (14) is provided with a positioning column (13) with a straight groove, the upper shell (1) is provided with an avoidance hole (3) and a buckle switch (2), and the buckle switch (2) is arranged on the outer shell surface of the upper shell (1) and is located near the buckle switch (2); A wire winding mechanism rotatably sleeved on the positioning column (13); The wire winding mechanism comprises a rotating disk (12) which is inserted into the positioning column (13) in sequence, a rotating drum (9), and a first return spring (7); a side wall of the rotating drum (9) is provided with a vertical side hole (10); the first return spring (7) is a rolled spring sheet, the inner end of which is clamped in the slot, and the outer end of which is clamped in the vertical side hole (10); the upper end cover of the rotating drum (9) is connected with a fixed disk (6), and a wire hanging column (11) is provided at one of the outer side surfaces thereof; The outer disk surface of the fixed disk (6) is provided with a plurality of convex buckles (4) in an annular array, the rotation path of the convex buckles (4) can pass through the avoidance hole (3), one end of the buckle switch (2) is located in the avoidance hole (3) area and the buckle switch (2) can form an interlocking structure with the convex buckles (4); The outer end of the first return spring (7) is a vertical bent portion, and both sides of the end of the bent portion are convexly formed with externally protruding buckles (71). The bent portion is also provided with at least one V-shaped notch (72). The bent portion can pass through the vertical side hole (10) and enable the externally protruding buckle head (71) to be clamped on the outer edge of the vertical side hole (10).

2. A Bluetooth audio receiver with a cord winding device according to claim 1, characterized in that: The rotating drum (9) has a plurality of buckles (8) distributed in a ring array at the cover end of the fixed disk (6), and a plurality of buckle holes (5) matched with the buckles (8) are distributed in a ring array on the disk surface of the fixed disk (6).

3. The Bluetooth audio receiver with a cord winding device according to claim 1, characterized in that: The convex buckle (4) is a triangular structure, and its buckle surface is perpendicular to the outer disk surface of the fixed disk (6), and the two sides of the convex buckle (4) are right triangles; The buckle switch (2) is connected to the outer shell surface of the upper shell (1) via a rotating shaft, and one end of the buckle switch (2) that can enter the avoidance hole (3) is a hook end (23), and the hook end (23) can form an interlocking structure with the convex buckle (4); A positioning groove (22) is provided on the lower side of the other end of the buckle switch (2), and a limiting groove is provided on the outer shell surface of the upper shell (1); The buckle switch (2) also includes a spring (24), one end of the spring (24) is pressed into the positioning groove (22), and the other end of the spring (24) is pressed against the limiting groove.

4. The Bluetooth audio receiver with a cord winding device according to claim 1, characterized in that: The upper shell (1) is a round shell provided with a first notch, and the lower shell (14) is a round shell provided with a second notch, wherein the first notch and the second notch constitute the side opening.

5. The Bluetooth audio receiver with a winding device according to claim 1, characterized in that: The wire hanging column (11) is a curved column.

6. The Bluetooth audio receiver with a winding device according to claim 1, characterized in that: The inner disk surface of the fixed disk (6) is provided with a column groove for positioning the positioning column (13).

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