Centering vane and sound production unit

Abstract

The utility model discloses a centering support piece and sound production unit, centering support piece includes internal fixed part, cantilever part and outer fixed part, the cantilever part is connected internal fixed part, outer fixed part is connected cantilever part, outer fixed part has welding area, the insulating isolation part is protruding on outer fixed part, and the insulating isolation part is close to the welding area setting. This centering support piece structure is novel, and the protruding insulating isolation part can isolate the welding area, and the area of the metal mesh cover's flanging in the sound production unit that is close to outer fixed part is located the side that insulating isolation part is away from welding area, so that the centering support piece is welded with external structure, and the soldering tin will not contact the flanging of metal mesh cover, effectively avoids the poor welding, and it is favorable to improve the production yield of the sound production module or electronic product that carries sound production unit.

Description

Technical Field

[0001] This utility model relates to the field of electroacoustic converter technology, and in particular to a centering support and a sound generating unit. Background Technology

[0002] As a commonly used electroacoustic transducer that converts electrical energy into sound energy, the sound-generating unit plays an indispensable role in the sound amplifier system.

[0003] As consumers demand higher performance from electroacoustic conversion devices, more and more electronic products are incorporating powder-filled sound modules. In these modules, a metal mesh cover is needed to vent air and isolate sound-absorbing particles from entering the unit. However, the metal mesh cover is located close to the pads of the centering support in the sound module. During soldering, solder can easily come into contact with the mesh cover, causing it to become conductive and resulting in defective sound modules / electronic devices. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a centering support plate that can prevent the metal mesh cover from being conductive during welding, and a sound generating unit having the centering support plate.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a centering support, comprising:

[0006] Internal fixation;

[0007] The cantilever portion is connected to the internal fixing portion;

[0008] An external fixing part is connected to the cantilever part. The external fixing part has a welding area and an insulating isolation part protrudes from the external fixing part. The insulating isolation part is located close to the welding area.

[0009] Furthermore, the insulating isolation portion is provided along the edge of the welding area.

[0010] Furthermore, the external fixing part includes a first side and a second side, the welding area is located at the corner formed by the connection of the first side and the second side, one end of the insulating isolation part extends to the first side, and the other end of the insulating isolation part extends to the second side.

[0011] Furthermore, the material of the insulating isolation part may be the same as or different from the material of the substrate of the external fixing part.

[0012] Furthermore, the insulating isolation part and the external fixing part are integrally formed into a single structure.

[0013] Furthermore, the insulating isolation portion is bonded to the outer fixing portion.

[0014] To solve the above-mentioned technical problems, the present invention also adopts the following technical solution: a sound generating unit, including the above-mentioned centering support.

[0015] Furthermore, it also includes a basin stand and a metal mesh cover, the outer fixing part is fixedly connected to the basin stand, the metal mesh cover has a flange, and the area of ​​the flange near the outer fixing part is located on the side of the insulating isolation part away from the welding area.

[0016] Furthermore, the external fixing part has an abutment area, which is located on the side of the insulating isolation part away from the welding area, and the flange abuts the abutment area.

[0017] Furthermore, the flange is bonded to the insulating isolation portion.

[0018] The beneficial effects of this utility model are as follows: The centering support has a novel structure, and the protruding insulating isolation part can isolate the welding area. In the sound-generating unit, the area of ​​the metal mesh cover's flange near the outer fixing part is located on the side of the insulating isolation part away from the welding area. This ensures that when the centering support is welded to the external structure, the solder will not come into contact with the flange of the metal mesh cover, effectively avoiding poor welding and improving the production yield of the sound-generating module or electronic product equipped with the sound-generating unit. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the sound-generating unit;

[0020] Figure 2 This is a cross-sectional view of the sound-generating unit;

[0021] Figure 3 for Figure 2 Enlarged view of detail A in the middle;

[0022] Figure 4 This is a schematic diagram of the centering support plate in the sound-generating unit.

[0023] Label Explanation:

[0024] 1. Pot stand;

[0025] 2. Magnetic circuit assembly;

[0026] 31. Diaphragm assembly; 32. Voice coil;

[0027] 4. Centering support; 41. Internal fixation part; 42. Cantilever part; 43. External fixation part; 431. Welding area; 432. Insulation and isolation part; 433. First side; 434. Second side; 435. Contact area;

[0028] 5. Metal mesh cover; 51. Flanged edge. Detailed Implementation

[0029] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0030] Please refer to Figures 1 to 4 The centering support 4 includes an inner fixing part 41, a cantilever part 42 and an outer fixing part 43. The cantilever part 42 is connected to the inner fixing part 41. The outer fixing part 43 is connected to the cantilever part 42. The outer fixing part 43 has a welding area 431. An insulating isolation part 432 protrudes from the outer fixing part 43 and is located near the welding area 431.

[0031] As can be seen from the above description, the beneficial effects of this utility model are as follows: The centering support 4 has a novel structure, and the protruding insulating isolation part 432 can isolate the welding area 431. In the sound-generating unit, the area of ​​the flange 51 of the metal mesh cover 5 near the outer fixing part 43 is located on the side of the insulating isolation part 432 away from the welding area 431. This ensures that when the centering support 4 is welded to the external structure, the solder will not come into contact with the flange 51 of the metal mesh cover 5, effectively avoiding poor welding and improving the production yield of the sound-generating module or electronic product equipped with the sound-generating unit.

[0032] Furthermore, the insulating isolation portion 432 is disposed along the edge of the welding area 431.

[0033] As can be seen from the above description, the insulating isolation part 432 is provided along the edge of the welding area 431, which allows the outer fixing part 43 to remain miniaturized, so that the centering support piece 4 can meet the requirements of miniaturization of the sound generating unit.

[0034] Furthermore, the external fixing part 43 includes a first side 433 and a second side 434, the welding area 431 is located at the corner formed by the connection of the first side 433 and the second side 434, one end of the insulating isolation part 432 extends to the first side 433, and the other end of the insulating isolation part 432 extends to the second side 434.

[0035] As can be seen from the above description, the insulating isolation part 432 can effectively isolate the welding area 431.

[0036] Furthermore, the material of the insulating isolation part 432 may be the same as or different from the material of the substrate of the external fixing part 43.

[0037] As can be seen from the above description, the material of the insulating isolation part 432 can be selected and set as needed.

[0038] Furthermore, the insulating isolation part 432 and the external fixing part 43 are integrally formed into a single structure.

[0039] Furthermore, the insulating isolation part 432 is bonded to the outer fixing part 43.

[0040] As can be seen from the above description, the connection method between the insulating isolation part 432 and the external fixing part 43 can be selected as needed, which helps to enrich the diversity of the centering support 4.

[0041] The sound-generating unit includes the aforementioned centering support 4.

[0042] Furthermore, it also includes a basin stand 1 and a metal mesh cover 5. The outer fixing part 43 is fixedly connected to the basin stand 1. The metal mesh cover 5 has a flange 51. The area of ​​the flange 51 near the outer fixing part 43 is located on the side of the insulating isolation part 432 away from the welding area 431.

[0043] As can be seen from the above description, the centering support plate 4 in the sound unit will not have a conductive metal mesh cover 5 during welding.

[0044] Furthermore, the external fixing part 43 has an abutment area 435, which is located on the side of the insulating isolation part 432 away from the welding area 431, and the flange 51 abuts against the abutment area 435.

[0045] As can be seen from the above description, the flange 51 abuts against the contact area 435, which can improve the stability of the centering support 4 in the sound unit and reduce the risk of the external fixing part 43 detaching from the frame 1.

[0046] Furthermore, the flange 51 is bonded to the insulating isolation portion 432.

[0047] As can be seen from the above description, the bonding of the flange 51 to the insulating isolation part 432 can improve the overall structural stability of the sound unit.

[0048] Please refer to Figures 1 to 4 The first embodiment of this utility model is as follows: a sound generating unit, which includes a frame 1, a magnetic circuit assembly 2, a vibration assembly, a centering support 4, and a metal mesh cover 5. The magnetic circuit assembly 2 and the vibration assembly are respectively connected to the frame 1. The vibration assembly includes a connected diaphragm assembly 31 and a voice coil 32. The diaphragm assembly 31 is connected to the frame 1. The magnetic circuit assembly 2 has a magnetic gap for the voice coil 32 to move. The metal mesh cover 5 is connected to the magnetic circuit assembly 2. The metal mesh cover 5 has a flange 51 and is provided with ventilation holes. The metal mesh cover 5 can be a steel mesh cover, a copper mesh cover, etc.

[0049] The centering support 4 includes an inner fixing part 41, a cantilever part 42, and an outer fixing part 43 connected in sequence. The inner fixing part 41 is fixedly connected to the voice coil 32, and the outer fixing part 43 is fixedly connected to the frame 1. The outer fixing part 43 has a welding area 431, and an insulating isolation part 432 is protruding on the outer fixing part 43. The insulating isolation part 432 is located close to the welding area 431, and the area of ​​the flange 51 close to the outer fixing part 43 is located on the side of the insulating isolation part 432 away from the welding area 431.

[0050] The protruding insulating isolation part 432 serves to isolate the welding area 431 from the flange 51, so that the solder will not come into contact with the metal mesh cover 5 when the welding area 431 is welded to the external structure.

[0051] In this embodiment, the insulating isolation portion 432 is disposed along the edge of the welding area 431. In other embodiments, it is also possible to maintain a certain gap between the insulating isolation portion 432 and the welding area 431.

[0052] In one or more embodiments, the external fixing portion 43 includes a first side 433 and a second side 434, the welding area 431 is located at the corner formed by the connection of the first side 433 and the second side 434, one end of the insulating isolation portion 432 extends to the first side 433, and the other end of the insulating isolation portion 432 extends to the second side 434.

[0053] The material of the insulating isolation part 432 may be the same as or different from the material of the base material of the outer fixing part 43. When the material of the insulating isolation part 432 is the same as the material of the base material of the outer fixing part 43, the material of the insulating isolation part 432 may be PI (polyimide), FR4 (epoxy fiberglass board), etc.

[0054] The insulating isolation part 432 and the external fixing part 43 are integrally formed. For example, the insulating isolation part 432 is formed simultaneously during the forming process of the centering support piece 4; or, the insulating isolation part 432 is bonded to the external fixing part 43. In this case, the material of the insulating isolation part 432 can be insulating plastic, insulating rubber, etc.

[0055] In some embodiments, the external fixing portion 43 has an abutment area 435 located on the side of the insulating isolation portion 432 away from the welding area 431, and the flange 51 abuts against the abutment area 435. Optionally, the flange 51 is bonded to the abutment area 435.

[0056] In one or more embodiments, the flange 51 is bonded to the insulating isolation portion 432.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A centering support, characterized in that, include Internal fixation; The cantilever portion is connected to the internal fixing portion; An external fixing part is connected to the cantilever part. The external fixing part has a welding area and an insulating isolation part protrudes from the external fixing part. The insulating isolation part is located close to the welding area.

2. The centering support according to claim 1, characterized in that, The insulating isolation portion is provided along the edge of the welding area.

3. The centering support according to claim 1, characterized in that, The external fixing part includes a first side and a second side, the welding area is located at the corner formed by the connection of the first side and the second side, one end of the insulating isolation part extends to the first side, and the other end of the insulating isolation part extends to the second side.

4. The centering support according to claim 1, characterized in that, The material of the insulating isolation part may be the same as or different from the material of the base material of the external fixing part.

5. The centering support according to claim 1, characterized in that, The insulating isolation part and the external fixing part are integrally formed into a single structure.

6. The centering support according to claim 1, characterized in that, The insulating and isolating part is bonded to the external fixing part.

7. A sound-generating unit, characterized in that, Includes the centering support as described in any one of claims 1-6.

8. The sound-generating unit according to claim 7, characterized in that, It also includes a basin stand and a metal mesh cover, the outer fixing part is fixedly connected to the basin stand, the metal mesh cover has a flange, and the area of ​​the flange near the outer fixing part is located on the side of the insulating isolation part away from the welding area.

9. The sound-generating unit according to claim 8, characterized in that, The external fixing part has an abutment area, which is located on the side of the insulating isolation part away from the welding area, and the flange abuts the abutment area.

10. The sound-generating unit according to claim 8, characterized in that, The flange is bonded to the insulating isolation part.

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