Internal welding type ANC Bluetooth earphone loudspeaker

Abstract

The utility model belongs to the technical field of loudspeakers, and particularly relates to an inner welding type ANC Bluetooth earphone loudspeaker, which comprises a bracket with openings at two ends, a protective cover arranged at the opening at one end of the bracket, a vibrating diaphragm, a cylindrical voice coil with openings at two ends, a washer, a magnet and a U-shaped cup with an opening at one end and a closed end, the vibrating diaphragm is positioned in the protective cover; the opening end of the U-shaped cup is inserted into the opening at the other end of the bracket; the outer wall of the U-shaped cup is attached to the inner wall of the bracket; one end of the voice coil is fixedly connected with the diaphragm, and the other end of the voice coil is located in the opening of the U-shaped cup; the magnet is arranged on the inner bottom surface of the bottom plate at the closed end of the U-shaped cup, the washer is arranged on the surface of the magnet, and the magnet and the washer are positioned in the U-shaped cup; the bonding pad is arranged in the bracket and is integrally formed with the bracket; the bonding pad is electrically connected with the voice coil; the internal welding type structure is adopted, fixation is firmer, the sound effect can be adjusted, sound is concentrated, sound penetrating power is increased, ears can capture the sound easily, the sound cannot be spread all around, interference to other people is avoided, and use of a user is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of speaker technology, specifically to an internally soldered ANC Bluetooth earphone speaker for Bluetooth earphones. Background Technology

[0002] ANC stands for Active Noise Cancellation. Currently, Bluetooth headphones, as wireless headphones, are widely used due to the absence of cables. Traditional Bluetooth headphone speakers typically consist of a plastic shell containing components such as washer and voice coil, as well as solder pads. These pads are fixed to the plastic shell using a splicing method, such as screw connections. This method is not secure and prevents sound adjustment, resulting in unfocused sound, reduced sound penetration, and easy sound propagation in all directions, which can easily disturb others and is detrimental to user experience. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide an internally welded ANC Bluetooth headset speaker.

[0004] The technical solution is as follows: an internally welded ANC Bluetooth headset speaker, comprising a bracket with openings at both ends, a cover and a diaphragm located at one opening of the bracket, a cylindrical voice coil with openings at both ends, a washer, a magnet, and a U-cup with one opening and the other closed; the diaphragm is located inside the cover; the open end of the U-cup is inserted into the opening at the other end of the bracket, and the outer wall of the U-cup is in contact with the inner wall of the bracket; one end of the voice coil is fixedly connected to the diaphragm, and the other end of the voice coil is located inside the opening of the U-cup; the magnet is located on the inner bottom surface of the base plate at the closed end of the U-cup, the washer is located on the surface of the magnet, and the magnet and washer are located inside the U-cup; it also includes a solder pad located inside the bracket and integrally formed with the bracket by injection molding, the solder pad being electrically connected to the voice coil.

[0005] Preferably, the bracket, diaphragm, and U-cup are connected to form a sealed space; there is a gap between the outer wall of the other end of the voice coil and the inner wall of the U-cup; the bracket is provided with a longitudinal perforation communicating with the sealed space, the outer opening of the longitudinal perforation is located on the surface of the bracket, and a tuning mesh covering the outer opening of the longitudinal perforation is provided on the surface of the bracket.

[0006] Preferably, the other end of the bracket is provided with an antimagnetic cap that covers the outside of the closed end of the U-cup and is fixedly connected to the outer wall of the bracket, and a notch is provided at the edge of the antimagnetic cap.

[0007] Preferably, the bracket is integrally formed from an inner cylinder, a first radial protruding ring sleeved on the outer wall of one end opening of the inner cylinder, and a second radial protruding ring sleeved on the outer wall of one end of the first radial protruding ring; the longitudinal perforation is located inside the first radial protruding ring, and the tuning mesh is an arc-shaped plate disposed on the surface of the first radial protruding ring.

[0008] Preferably, the first radial convex ring has a protrusion integrally formed therewith on its surface, and the side of the protrusion is fixedly connected to the outer wall of the opening at the other end of the inner cylinder; two wire outlet holes are provided inside the protrusion, and the protrusion extends outward from the notch.

[0009] Preferably, one end of the cover has an opening and the other end has a sealing plate; a circular ring is provided at the edge of the diaphragm, and the upper surface of the circular ring is fixedly connected to the bottom surface of the second radial convex ring.

[0010] Preferably, the cover is integrally formed from a lower cylinder, a radial ring on the outer wall of the upper edge of the lower cylinder, an upper cylinder on the upper surface of the outer edge of the radial ring, and a sealing plate on the bottom surface of the lower cylinder; the lower surface of the circular ring is located on the radial ring and the circular ring is located inside the upper cylinder; the outer wall of the second radial protrusion ring is attached to and fixedly connected to the inner wall of the upper cylinder.

[0011] Preferably, the sealing plate has two ventilation holes, and a snap-fit ​​plate with one end integrally formed with the ventilation hole and the other end located outside the ventilation hole is provided on one side wall of each ventilation hole. Technical effects: The Bluetooth headset speaker of this utility model has a magnet internally fitted into the U-cup, with a washer on the top of the magnet. It also includes a solder pad integrally formed with the bracket through injection molding, located within the bracket. The solder pad is electrically connected to the voice coil. Specifically, the solder pad and voice coil are connected by internal welding, and the solder pad and bracket do not require splicing for fixed connection. Compared with existing technologies, this internally welded ANC Bluetooth headset speaker has a simple structure and is easy to assemble. Furthermore, the internal welding structure can increase the internal field and the diaphragm vibration bandwidth, making it easier to adjust the sound effect. The internal welding structure provides a more secure fixation, allows for sound effect adjustment, and concentrates the sound, increasing sound penetration and making it easily detectable by the ear, preventing sound from spreading to the surroundings and disturbing others, thus benefiting the user. Attached Figure Description

[0012] Figure 1 This is a top-view perspective view of an embodiment of the present utility model;

[0013] Figure 2 This is a perspective view from below, representing an embodiment of the present invention.

[0014] Figure 3 This is an exploded view of an embodiment of the present utility model;

[0015] Figure 4 This is a cross-sectional view of an embodiment of the present utility model;

[0016] Figure 5 This is a partial cross-sectional view of an embodiment of the present utility model;

[0017] Figure 6 This is a schematic diagram of the solder pad wiring in an embodiment of the present utility model.

[0018] Reference numerals: bracket-1, longitudinal perforation-1a, inner cylinder-101, first radial protrusion-102, second radial protrusion-103, protrusion-104, cable outlet-104a, cover-2, sealing plate-201, vent perforation-201a, snap-fit ​​plate-201b, lower cylinder-202, radial ring-203, upper cylinder-204, diaphragm-3, circular ring-301, voice coil-4, washer-5, magnet-6, U-cup-7, base plate-701, tuning mesh-8, anti-magnetic cap-9, notch-901, solder pad-10, FPC-11, pin-12. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0020] like Figure 3 As shown, this utility model embodiment provides an internally welded ANC Bluetooth headset speaker, including a bracket 1 with openings at both ends, a cover 2 and a diaphragm 3 located at one opening of the bracket, a cylindrical voice coil 4 with openings at both ends, a washer 5, a magnet 6, and a U-cup 7 with one opening and the other closed; the diaphragm is located inside the cover; the open end of the U-cup is inserted into the opening at the other end of the bracket, and the outer wall of the U-cup is in contact with the inner wall of the bracket 1; one end of the voice coil 4 is fixedly connected to the diaphragm 3, and the other end of the voice coil is located inside the opening of the U-cup 7; the magnet 6 is located on the inner bottom surface of the base plate 701 at the closed end of the U-cup, the washer 5 is located on the surface of the magnet, and the magnet 6 and the washer 5 are located inside the U-cup 7; it also includes a solder pad 10 located inside the bracket 1 and integrally formed with the bracket by injection molding, and the solder pad is electrically connected to the voice coil 4.

[0021] like Figure 1 As shown, during processing, the solder pad 10 and the plastic bracket 1 are integrally formed by injection molding. Therefore, the two do not require screws or other connecting parts for splicing, and the connection between them is firm.

[0022] Specifically, such as Figure 4 As shown, the bracket 1, diaphragm 3, and U-cup 7 are connected to form a sealed space; there is a gap between the outer wall of the other end of the voice coil 4 and the inner wall of the U-cup 7, that is, the voice coil and the inner wall of the U-cup are not in direct contact; the bracket 1 is provided with a longitudinal perforation 1a that communicates with the sealed space, the outer opening of the longitudinal perforation is located on the surface of the bracket 1, and a tuning mesh 8 covering the outer opening of the longitudinal perforation is provided on the surface of the bracket.

[0023] like Figures 3-4 As shown, the other end of the bracket 1 is provided with an antimagnetic cap 9 that covers the closed end of the U cup 7 and is fixedly connected to the outer wall of the bracket. A notch 901 is provided at the edge of the antimagnetic cap.

[0024] like Figures 1-4 As shown, in this embodiment, the support 1 is integrally formed from an inner cylinder 101, a first radial protruding ring 102 sleeved on the outer wall of one end opening of the inner cylinder, and a second radial protruding ring 103 sleeved on the outer wall of one end of the first radial protruding ring; the longitudinal perforation 1a is located inside the first radial protruding ring 102, that is, the outer opening of the longitudinal perforation is located inside the surface of the first radial protruding ring 102; the tuning mesh 8 is an arc-shaped plate and is disposed on the surface of the first radial protruding ring. Here, the tuning mesh 8 is in the shape of a narrow strip, covering the outer opening of the longitudinal perforation 1a for tuning.

[0025] like Figure 3 As shown, the first radial convex ring 102 has an integrally formed protrusion 104 on its surface, and the side of the protrusion is fixedly connected to the outer wall of the opening at the other end of the inner cylinder 101; two cable outlet holes 104a are provided inside the protrusion, and the protrusion extends outward from the notch 901. Each cable outlet hole leads out an FPC (i.e., flexible cable) 11, and one end of the two FPCs is used to electrically connect to the built-in solder pads 10.

[0026] like Figures 5-6 As shown, specifically, the pad 10 is located inside the protrusion 104 of the bracket, the lead wire of the voice coil 4 is spot-soldered to the bottom of the pad 10, the FPC 11 is inserted into the pad pin 12, and then soldered together with a soldering iron.

[0027] like Figure 3 As shown, a circular ring 301 is provided at the edge of the diaphragm 3. The upper surface of the circular ring is fixedly connected to the bottom surface of the second radial protrusion ring 103 so as to achieve a tight connection between the diaphragm and the support.

[0028] like Figure 3 As shown, the cover 2 has an opening at one end and a sealing plate 201 at the other end. Specifically, the cover 2 is integrally formed from a lower cylinder 202, a radial ring 203 on the outer wall of the upper edge of the lower cylinder, an upper cylinder 204 on the upper surface of the outer edge of the radial ring, and a sealing plate 201 on the bottom surface of the lower cylinder. The lower surface of the circular ring 301 is located on the radial ring 203 and the circular ring is located inside the upper cylinder 204. The outer wall of the second radial protruding ring 103 is attached to and fixedly connected to the inner wall of the upper cylinder 204. This achieves a tight connection between the bracket 1 and the cover 2 and facilitates quick assembly.

[0029] like Figure 2 As shown, the sealing plate 201 has two ventilation holes 201a, and a fastening plate 201b with one end integrally formed with the ventilation hole and the other end located outside the ventilation hole is provided on one side wall of each ventilation hole.

[0030] In the above description, it should be noted that the terms "installation", "connection", "connection" and other related terms should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components; "set at" should be understood as "installed at" or "set at", including installation methods such as fixed installation and movable installation.

[0031] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Any equivalent structures made based on the description and drawings of this utility model, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. An internally welded ANC Bluetooth earphone speaker, comprising a bracket (1) with openings at both ends, a cover (2) disposed at one opening of the bracket, a diaphragm (3), a cylindrical voice coil (4) with openings at both ends, a washer (5), a magnet (6), and a U-cup (7) open at one end and closed at the other end; characterized in that, The diaphragm is located inside the cover; the open end of the U-cup is inserted into the opening at the other end of the bracket and the outer wall of the U-cup is in contact with the inner wall of the bracket (1); one end of the voice coil (4) is fixedly connected to the diaphragm (3) and the other end of the voice coil is located inside the opening of the U-cup (7); the magnet (6) is located on the inner bottom surface of the bottom plate (701) at the closed end of the U-cup, and the washer (5) is located on the surface of the magnet. The magnet and the washer are located inside the U-cup; it also includes a solder pad (10) located inside the bracket (1) and integrally formed with the bracket by injection molding process. The solder pad is electrically connected to the voice coil (4).

2. The internally welded ANC Bluetooth headset speaker as described in claim 1, characterized in that, The bracket (1), diaphragm (3), and U-cup (7) are connected to form a sealed space; there is a gap between the outer wall of the other end of the voice coil (4) and the inner wall of the U-cup (7); the bracket (1) is provided with a longitudinal perforation (1a) that communicates with the sealed space, the outer opening of the longitudinal perforation is located on the surface of the bracket, and a tuning mesh (8) covering the outer opening of the longitudinal perforation is provided on the surface of the bracket.

3. The internally welded ANC Bluetooth headset speaker as described in claim 2, characterized in that, The other end of the bracket (1) is provided with an antimagnetic cap (9) that covers the closed end of the U cup (7) and is fixedly connected to the outer wall of the bracket. A notch (901) is provided at the edge of the antimagnetic cap.

4. The internally welded ANC Bluetooth headset speaker as described in claim 3, characterized in that, The bracket (1) is integrally formed from an inner cylinder (101), a first radial protrusion ring (102) sleeved on the outer wall of one end opening of the inner cylinder, and a second radial protrusion ring (103) sleeved on the outer wall of one end of the first radial protrusion ring; the longitudinal perforation (1a) is located inside the first radial protrusion ring (102), and the tuning mesh (8) is an arc-shaped plate and is located on the surface of the first radial protrusion ring.

5. The internally welded ANC Bluetooth headset speaker as described in claim 4, characterized in that, The first radial protruding ring (102) has a protrusion (104) integrally formed therewith on its surface. The side of the protrusion is fixedly connected to the outer wall of the opening at the other end of the inner cylinder (101). Two wire outlet holes (104a) are provided inside the protrusion. The protrusion extends outward from the notch (901).

6. The internally welded ANC Bluetooth headset speaker as described in claim 4, characterized in that, The cover (2) has an opening at one end and a sealing plate (201) at the other end; the diaphragm (3) has a circular ring (301) at its edge, and the upper surface of the circular ring is fixedly connected to the bottom surface of the second radial protrusion ring (103).

7. The internally welded ANC Bluetooth headset speaker as described in claim 6, characterized in that, The cover (2) is integrally formed from a lower cylinder (202), a radial ring (203) on the outer wall of the upper edge of the lower cylinder, an upper cylinder (204) on the upper surface of the outer edge of the radial ring, and a sealing plate (201) on the bottom surface of the lower cylinder; the lower surface of the circular ring (301) is located on the radial ring (203) and the circular ring is located inside the upper cylinder (204); the outer wall of the second radial protrusion ring (103) is attached to and fixedly connected to the inner wall of the upper cylinder (204).

8. The internally welded ANC Bluetooth headset speaker as described in claim 7, characterized in that, The sealing plate (201) has two ventilation holes (201a) inside, and a fastening plate (201b) with one end integrally formed with the ventilation hole and the other end located outside the ventilation hole is provided on one side wall of each ventilation hole.

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