Sound production unit

Abstract

The utility model discloses a sound production unit, comprising a metal frame and a yoke, the yoke is connected with the metal frame in a welding manner; the metal basin stand and / or the yoke are / is provided with an extension part, and the welding position of the metal basin stand and the yoke is located at the edge of the extension part. The sound production unit is novel in structure, the metal basin stand and the yoke can be welded and connected through the extension part, the falling risk of the metal basin stand is reduced, the yoke can support the metal basin stand to a certain extent, the structural strength of the metal basin stand is improved, the deformation risk of the sound production unit in the transportation and falling process is reduced, and the sound production efficiency is improved. And the structural stability of the sounding unit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electroacoustic converters, in particular to a sound generating unit. Background Art

[0002] Sound units are widely used in portable electronic devices such as mobile phones, laptops, and hearing aids.

[0003] In related technologies, in order to improve the performance of the sound unit, the sound unit mostly adopts a large voice coil and a large magnet volume structure. However, the use of a large voice coil and a large magnet volume will result in a smaller space left for the metal basin frame, affecting its strength. Moreover, in the existing technology, the metal basin frame is only supported by the side washers, and the sound unit is prone to deformation and other defects during transportation and falling. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a sound-generating unit with a stable structure.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a sound unit comprising:

[0006] Metal basin rack;

[0007] A yoke, the yoke being connected to the metal basin frame by welding;

[0008] The metal basin frame and / or the yoke has an extension portion, and a welding point between the metal basin frame and the yoke is located at an edge of the extension portion.

[0009] Furthermore, the yoke includes a bottom plate, a portion of an edge of the bottom plate is bent and extended toward the metal basin frame to form the extension portion, and a top end of the extension portion is welded to the metal basin frame.

[0010] Furthermore, the extension portion is located directly below the metal basin frame.

[0011] Furthermore, it also includes a side magnetic structure, which includes side magnetic steel and side washers. The bottom surface of the side magnetic steel is connected to the yoke iron, and the top surface of the side magnetic steel is connected to the side washer; the extension part and the side magnetic structure are staggered.

[0012] Furthermore, the edge washer is welded to the metal basin frame.

[0013] Furthermore, the metal basin frame includes a frame, a portion of the bottom end of the frame extends toward the direction close to the yoke to form the extension portion, and the bottom end of the extension portion is welded to the yoke.

[0014] Furthermore, the bottom end surface of the extension portion contacts the top surface of the yoke.

[0015] Furthermore, it also includes a side magnetic structure, which includes side magnetic steel and side washers. The bottom surface of the side magnetic steel is connected to the yoke iron, and the top surface of the side magnetic steel is connected to the side washer; the extension part and the side magnetic structure are staggered.

[0016] Furthermore, the edge washer is welded to the metal basin frame.

[0017] Furthermore, the metal basin frame has a first extension portion, the yoke has a second extension portion corresponding to the first extension portion, and the first extension portion and the second extension portion are welded together at one end close to each other.

[0018] The beneficial effects of the present invention are that the sound unit has a novel structure, and the metal basin frame and the yoke can be welded together through the extension part, which not only reduces the risk of the metal basin frame falling off, but also allows the yoke to provide support for the metal basin frame to a certain extent, which is beneficial to improving the structural strength of the metal basin frame, reducing the risk of deformation of the sound unit during transportation and falling, and improving the structural stability of the sound unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the sound-emitting unit of the first embodiment of the present utility model;

[0020] Figure 2 This is a cross-sectional view of the sound unit of the first embodiment of the present invention;

[0021] Figure 3 This is a structural diagram of the sound-emitting unit of the second embodiment of the present utility model;

[0022] Figure 4 This is a cross-sectional view of the sound unit of the second embodiment of the present invention;

[0023] Figure 5 This is a structural diagram of the sound-emitting unit of the third embodiment of the present invention.

[0024] Description of labels:

[0025] 1. Metal basin stand;

[0026] 2. Yoke iron;

[0027] 3. Central magnetic structure;

[0028] 4. Edge magnetic structure; 41. Edge magnetic steel; 42. Edge washer;

[0029] 5. Diaphragm assembly;

[0030] 6. Voice coil;

[0031] 7. Extension portion; 71. First extension portion; 72. Second extension portion. DETAILED DESCRIPTION

[0032] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0033] Please refer to Figures 1 to 5 , sound unit, including:

[0034] Metal basin stand 1;

[0035] A yoke 2, wherein the yoke 2 is welded to the metal basin frame 1;

[0036] The metal basin frame 1 and / or the yoke 2 has an extension portion 7 , and the welding point between the metal basin frame 1 and the yoke 2 is located at the edge of the extension portion.

[0037] From the above description, it can be seen that the beneficial effects of the present invention are: the sound unit has a novel structure, and the metal basin frame 1 and the yoke 2 can be welded together through the extension part 7, which not only reduces the risk of the metal basin frame 1 falling off, but also allows the yoke 2 to provide support for the metal basin frame 1 to a certain extent, which is beneficial to improve the structural strength of the metal basin frame 1, reduce the risk of deformation of the sound unit during transportation and falling, and improve the structural stability of the sound unit.

[0038] Furthermore, the yoke 2 includes a bottom plate, and a portion of the edge of the bottom plate is bent and extended toward the metal basin frame 1 to form the extension portion 7 , and the top end of the extension portion 7 is welded to the metal basin frame 1 .

[0039] It can be seen from the above description that in an actual product, only the yoke 2 may have the extension portion 7 .

[0040] Furthermore, the extension portion 7 is located directly below the metal basin frame 1 .

[0041] As can be seen from the above description, the extension portion 7 will not expand outward, ensuring that the overall size of the sound unit will not increase.

[0042] Furthermore, it also includes a side magnetic structure 4, which includes a side magnetic steel 41 and a side washer 42, the bottom surface of the side magnetic steel 41 is connected to the yoke 2, and the top surface of the side magnetic steel 41 is connected to the side washer 42; the extension part 7 and the side magnetic structure 4 are staggered.

[0043] From the above description, it can be seen that the extension portion 7 and the edge magnetic structure 4 are staggered so that the existence of the extension portion 7 does not occupy the installation space of the edge magnetic structure 4 so that the overall volume of the edge magnetic structure 4 is reduced, thereby ensuring that the BL value of the sound unit will not be reduced.

[0044] Furthermore, the edge washer 42 is welded to the metal basin frame 1 .

[0045] It can be seen from the above description that welding the edge washer 42 to the metal basin frame 1 can greatly improve the structural stability of the sound unit and reduce the risk of deformation of the metal basin frame 1.

[0046] Furthermore, the metal basin frame 1 includes a frame, a portion of the bottom end of the frame extends toward the yoke 2 to form the extension portion 7 , and the bottom end of the extension portion 7 is welded to the yoke 2 .

[0047] It can be seen from the above description that in an actual product, only the metal basin frame 1 may have the extension portion 7 .

[0048] Furthermore, the bottom end surface of the extension portion 7 contacts the top surface of the yoke 2 .

[0049] As can be seen from the above description, the extension portion 7 in contact with the yoke 2 can provide support for the metal basin frame 1 , thereby reducing the risk of the metal basin frame 1 collapsing and deforming in the direction close to the yoke 2 .

[0050] Furthermore, it also includes a side magnetic structure 4, which includes a side magnetic steel 41 and a side washer 42, the bottom surface of the side magnetic steel 41 is connected to the yoke 2, and the top surface of the side magnetic steel 41 is connected to the side washer 42; the extension part 7 and the side magnetic structure 4 are staggered.

[0051] As can be seen from the above description, the offset arrangement of the extension 7 and the edge magnetic structure 4 prevents a reduction in the BL value of the sound unit. Furthermore, the area of the metal frame 1 corresponding to the edge magnetic structure 4 is supported by the edge magnetic structure 4, and the area of the metal frame 1 connected to the extension 7 is also supported by the extension 7. This allows for support over a wider area of the metal frame 1, further minimizing the risk of deformation.

[0052] Furthermore, the edge washer 42 is welded to the metal basin frame 1 .

[0053] It can be seen from the above description that welding the edge washer 42 to the metal basin frame 1 can greatly improve the structural stability of the sound unit and reduce the risk of deformation of the metal basin frame 1.

[0054] Furthermore, the metal basin frame 1 has a first extension portion 7, and the yoke 2 has a second extension portion 7 corresponding to the first extension portion 7, and the first extension portion 7 and the second extension portion 7 are welded together at their ends close to each other.

[0055] It can be seen from the above description that the specific structure of the sound unit has relatively rich diversity.

[0056] Example 1

[0057] Please refer to Figure 1 and Figure 2 , embodiment 1 of the present utility model is: a sound unit, including a metal basin 1, a yoke 2, a central magnetic structure 3, a side magnetic structure 4, a diaphragm assembly 5 and a voice coil 6, the central magnetic structure 3 and the side magnetic structure 4 are respectively arranged on the yoke 2, a magnetic gap is formed between the central magnetic structure 3 and the side magnetic structure 4, the side magnetic structure 4 is connected to the metal basin 1, the diaphragm assembly 5 is connected to the voice coil 6 and the metal basin 1, and the voice coil 6 is arranged corresponding to the magnetic gap.

[0058] The yoke 2 is welded to the metal basin frame 1. Specifically, the metal basin frame 1 and / or the yoke 2 has an extension portion 7, and the welding point between the metal basin frame 1 and the yoke 2 is located at the edge of the extension portion.

[0059] In this embodiment, the yoke 2 includes a bottom plate, and a portion of the edge of the bottom plate is bent and extended toward the metal basin frame 1 to form the extension portion 7 , and the top end of the extension portion 7 is welded to the metal basin frame 1 .

[0060] To ensure the small size of the sound unit and to allow the extension 7 to better support the metal basin frame 1, the extension 7 is preferably located directly below the metal basin frame 1. Furthermore, the extension 7 is preferably offset from the side magnetic structure 4. This allows for support of a wider area of the metal basin frame 1, thereby further reducing the risk of deformation of the metal basin frame 1. In this embodiment, the short side of the sound unit has two extensions 7, and the extensions 7 are respectively provided on both sides of the side magnetic structure 4 located on the short side of the sound unit.

[0061] Optionally, the outer wall of the extension portion 7 is flush with the outer wall of the metal basin frame 1, or the outer wall of the extension portion 7 is retracted relative to the outer wall of the metal basin frame 1. This can more effectively avoid the setting of the extension portion 7 causing the size of the sound unit to become larger.

[0062] The edge magnetic structure 4 includes an edge magnetic steel 41 and an edge washer 42 . The bottom surface of the edge magnetic steel 41 is connected to the yoke 2 , and the top surface of the edge magnetic steel 41 is connected to the edge washer 42 . The edge washer 42 is welded to the metal basin frame 1 .

[0063] Example 2

[0064] Please refer to Figure 3 and Figure 4, embodiment 2 of the present utility model is: a sound unit, including a metal basin 1, a yoke 2, a central magnetic structure 3, a side magnetic structure 4, a diaphragm assembly 5 and a voice coil 6, the central magnetic structure 3 and the side magnetic structure 4 are respectively arranged on the yoke 2, a magnetic gap is formed between the central magnetic structure 3 and the side magnetic structure 4, the side magnetic structure 4 is connected to the metal basin 1, the diaphragm assembly 5 is connected to the voice coil 6 and the metal basin 1, and the voice coil 6 is arranged corresponding to the magnetic gap.

[0065] The yoke 2 is welded to the metal basin frame 1. Specifically, the metal basin frame 1 and / or the yoke 2 has an extension portion 7, and the welding point between the metal basin frame 1 and the yoke 2 is located at the edge of the extension portion.

[0066] In this embodiment, the metal basin frame 1 includes a frame, a portion of the bottom end of the frame extends toward the yoke 2 to form the extension portion 7 , and the bottom end of the extension portion 7 is welded to the yoke 2 .

[0067] To ensure the small size of the sound unit and to allow the extension 7 to better support the metal basin frame 1, the bottom end surface of the extension 7 preferably contacts the top surface of the yoke 2. Furthermore, the extension 7 and the side magnetic structure 4 are preferably offset. This allows more areas of the metal basin frame 1 to be supported, thereby greatly reducing the risk of deformation of the metal basin frame 1. In this embodiment, the short side of the sound unit has two extensions 7, and the extensions 7 are respectively provided on both sides of the side magnetic structure 4 located on the short side of the sound unit.

[0068] Optionally, the outer wall of the extension portion 7 is flush with the outer wall of the metal basin frame 1, or the outer wall of the extension portion 7 is retracted relative to the outer wall of the metal basin frame 1. This can more effectively avoid the setting of the extension portion 7 causing the size of the sound unit to become larger.

[0069] The edge magnetic structure 4 includes an edge magnetic steel 41 and an edge washer 42 . The bottom surface of the edge magnetic steel 41 is connected to the yoke 2 , and the top surface of the edge magnetic steel 41 is connected to the edge washer 42 . The edge washer 42 is welded to the metal basin frame 1 .

[0070] Example 3

[0071] Please refer to Figure 5 Embodiment 3 of the present invention is a parallel technical solution of Embodiment 1 / Embodiment 2, and the only difference from Embodiment 1 / Embodiment 2 is that: the metal basin frame 1 has a first extension portion 71, the yoke 2 has a second extension portion 72 corresponding to the first extension portion 71, and the first extension portion 71 and the second extension portion 72 are welded together at one end close to each other.

[0072] To sum up, the sound unit provided by the present invention has a novel structure, and the metal basin frame and the yoke can be welded together through the extension part, which not only reduces the risk of the metal basin frame falling off, but also allows the yoke to provide support for the metal basin frame to a certain extent, which is beneficial to improve the structural strength of the metal basin frame, reduce the risk of deformation of the sound unit during transportation and falling, and improve the structural stability of the sound unit.

[0073] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A sound unit, characterized in that: include Metal basin rack; A yoke, the yoke being connected to the metal basin frame by welding; The metal basin frame and / or the yoke has an extension portion, and a welding point between the metal basin frame and the yoke is located at an edge of the extension portion.

2. The sound unit according to claim 1, characterized in that The yoke includes a bottom plate, and a portion of an edge of the bottom plate is bent and extended toward the metal basin frame to form the extension portion, and a top end of the extension portion is welded to the metal basin frame.

3. The sound unit according to claim 2, characterized in that The extension portion is located directly below the metal basin frame.

4. The sound unit according to claim 2, characterized in that: It also includes a side magnetic structure, which includes side magnetic steel and side washers. The bottom surface of the side magnetic steel is connected to the yoke iron, and the top surface of the side magnetic steel is connected to the side washer. The extension part and the side magnetic structure are staggered.

5. The sound unit according to claim 4, characterized in that: The edge washer is welded to the metal basin frame.

6. The sound unit according to claim 1, characterized in that The metal basin frame includes a frame, a portion of a bottom end of the frame extends toward the direction close to the yoke to form the extension portion, and the bottom end of the extension portion is welded to the yoke.

7. The sound unit according to claim 6, characterized in that: A bottom end surface of the extension portion contacts a top surface of the yoke.

8. The sound unit according to claim 6, characterized in that: It also includes a side magnetic structure, which includes side magnetic steel and side washers. The bottom surface of the side magnetic steel is connected to the yoke iron, and the top surface of the side magnetic steel is connected to the side washer. The extension part and the side magnetic structure are staggered.

9. The sound unit according to claim 8, characterized in that: The edge washer is welded to the metal basin frame.

10. The sound unit according to claim 1, characterized in that: The metal basin frame has a first extension portion, the yoke has a second extension portion corresponding to the first extension portion, and the first extension portion and the second extension portion are welded together at ends close to each other.

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