Loudspeaker bonding pad structure and loudspeaker

Abstract

The utility model discloses a loudspeaker pad structure which comprises a substrate body, the substrate body is bent and formed to form a first soldering lug and a second soldering lug, a gap is arranged between the first soldering lug and the second soldering lug, at least two side surfaces of the first soldering lug are provided with at least one flanging in a protruding manner, and the flanging is provided with at least two side surfaces of the second soldering lug. The flanging extends towards the direction of the second soldering lug and abuts against the second soldering lug. The bonding pad structure provided by the utility model can provide effective support between the first soldering lug and the second soldering lug, prevents the first soldering lug and the second soldering lug from deforming and inclining after being pressed, ensures that the end face is in a horizontal state, and provides an effective welding area.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a loudspeaker pad structure and a corresponding loudspeaker. Background Art

[0002] The soldering pad is one of the important components of the speaker. One side is used to weld the voice coil lead, and the other side is used to weld the lead such as FPC, which plays a role in welding and fixing. For example, the soldering pad structure of the speaker disclosed in patent number CN206181380U includes at least one conductive part and two soldering pad groups installed on the speaker housing; the two soldering pad groups are electrically connected to the speaker electric module respectively; at least one of the soldering pad groups is arranged on the conductive part and is conductive with the conductive part; the soldering pad group arranged on the conductive part includes at least two soldering pads. This type of soldering pad structure is a U-shaped structure formed by bending. When it is integrally injection molded with the plastic frame, since the soldering pad has no external force support, it is easy to be compressed and flattened, resulting in a smaller solderable area, which affects production. Utility Model Content

[0003] The utility model aims to avoid the shortcomings of the prior art and provides a loudspeaker soldering pad structure and a corresponding loudspeaker capable of ensuring the soldering area of ​​the soldering pad.

[0004] The utility model adopts the following technical solution to solve the technical problem: a speaker pad structure includes a substrate body, the substrate body is bent into shape to form a first welding plate and a second welding plate, there is a distance between the first welding plate and the second welding plate, at least two side surfaces of the first welding plate are protruding with at least one flange, the flange extends toward the second welding plate and abuts against the second welding plate.

[0005] In several embodiments, a connecting piece is disposed between the first welding piece and the second welding piece, and the connecting piece is bent and has a width smaller than the first welding piece and the second welding piece.

[0006] In several embodiments, the first welding tab is smaller than the second welding tab, and the first welding tab is arranged in parallel with the second welding tab.

[0007] In several embodiments, the first welding plate includes an inclined surface 1, a straight surface 1, a straight surface 2 and a straight surface 3 which are connected in sequence, the inclined surface 1 and the straight surface 3 are respectively arranged on both sides of the connecting plate, the straight surface 1 and the straight surface 3 are arranged in parallel, the straight surface 2 and the straight surface 3 are arranged vertically, and the inclined surface 1 is arranged at an angle.

[0008] In several embodiments, a flange is disposed on each of the first inclined surface and the second straight surface.

[0009] In several embodiments, the second welding piece includes a first straight surface, a first inclined surface, a second straight surface, a third straight surface and a fourth straight surface connected in sequence, the first straight surface and the fourth straight surface are respectively arranged on both sides of the connecting piece, the first inclined surface is arranged parallel to inclined surface one, the second straight surface is arranged parallel to straight surface one, the third straight surface is arranged parallel to straight surface two, and the fourth straight surface is arranged parallel to straight surface three.

[0010] In several embodiments, the fourth straight surface and the third straight surface are located in the same plane, and the first straight surface, the second straight surface and the first inclined surface are all located on the inner side of the second welding piece.

[0011] And, a loudspeaker including the above-mentioned loudspeaker pad structure also includes an outer frame and a pole piece, and the two pad structures are arranged on opposite sides of the outer frame.

[0012] The beneficial effects of the utility model are:

[0013] The pad structure provided by the utility model can provide effective support between the first welding piece and the second welding piece, avoid deformation and tilting of the two pieces after being compressed, ensure that the end surface is in a horizontal state, and provide an effective welding area. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0015] Figure 1 The overall structure of the speaker in this embodiment is schematically shown;

[0016] Figure 2 Schematically shows Figure 1 A structure in another perspective;

[0017] Figure 3 Schematically shows Figure 1 The specific structure of the middle pad;

[0018] Figure 4 Schematically shows Figure 4 A structure in another perspective;

[0019] Figure 5 Schematically shows Figure 1 The structure with the middle pad in a top-down view. DETAILED DESCRIPTION

[0020] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0022] like Figure 1-Figure 5 As shown, the speaker structure mainly includes an outer frame 50, a pole piece 60 and a pad structure. The outer frame 50 and the pole piece 60 are conventional structures in the field and are not further limited here. The three can be integrally formed by injection molding. The two pad structures are arranged on opposite sides of the outer frame 50 for welding the leads of components such as the voice coil and FPC.

[0023] Specifically, the speaker pad structure in the present embodiment is composed of a bent substrate body, and the bent substrate body constitutes a first welding plate 10, a second welding plate 20 and a connecting plate 40. There is a gap between the first welding plate 10 and the second welding plate 20, and the connecting plate 40 is located between the first welding plate 10 and the second welding plate 20, and is a connecting component between the two. Here, the connecting plate 40 is bent and has a width smaller than the first welding plate 10 and the second welding plate 20.

[0024] Furthermore, the first welding piece 10 and the second welding piece 20 are arranged in parallel, and the area of ​​the first welding piece 10 is smaller than that of the second welding piece 20 , that is, the projection of the first welding piece 10 on the second welding piece 20 is located inside the second welding piece 20 .

[0025] In addition, a flange 30 is protruding from the two side surfaces of the first welding piece 10, and the flange 30 extends toward the second welding piece 20 and abuts against the second welding piece 20. The flange 30 is generally L-shaped, and the flange 30 provides support force between the first welding piece 10 and the second welding piece 20.

[0026] Among them, the first welding piece 10 includes an inclined surface 11, a straight surface 12, a straight surface 2 13 and a straight surface 3 14 which are connected in sequence, and are generally surrounded by a right-angled trapezoidal structure. The inclined surface 11 and the straight surface 3 14 are respectively arranged on both sides of the connecting piece 40, the straight surface 12 and the straight surface 3 14 are arranged in parallel, the straight surface 2 13 and the straight surface 3 14 are arranged vertically, the inclined surface 11 is arranged at an angle, and a flange 30 is respectively arranged on the inclined surface 11 and the straight surface 2 13, and the flange 30 is generally located near the middle of the inclined surface 11 and the straight surface 2 13.

[0027] Among them, the second welding piece 20 includes a first straight surface 21, a first inclined surface 22, a second straight surface 23, a third straight surface 24 and a fourth straight surface 25 which are connected in sequence, and also generally surround a structure in the shape of a right-angled trapezoid. The first straight surface 21 and the fourth straight surface 25 are respectively arranged on both sides of the connecting piece 40, the first inclined surface 22 is arranged parallel to the inclined surface 11, the second straight surface 23 is arranged parallel to the straight surface 12, the third straight surface 24 is arranged parallel to the straight surface 2 13, the fourth straight surface 25 is arranged parallel to the straight surface 3 14, the fourth straight surface 25 and the straight surface 3 14 are located in the same plane, and the straight surface 12, the straight surface 2 13 and the inclined surface 1 11 are all located on the inner side of the second welding piece 20.

[0028] It should be noted that a flange 30 can also be set on the straight surface 14 to further improve the anti-deformation ability, or the number of flanges 30 can be increased on the straight surface 13 and the inclined surface 1 11. The number and distribution position of the flanges 30 can be adjusted according to specific needs.

[0029] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.

[0030] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.

Claims

1. A speaker pad structure, characterized in that: The invention comprises a substrate body, wherein the substrate body is bent into shape and forms a first welding piece (10) and a second welding piece (20), wherein there is a spacing between the first welding piece (10) and the second welding piece (20), and at least two side surfaces of the first welding piece (10) are protrudingly provided with at least one flange (30), and the flange (30) extends in the direction of the second welding piece (20) and abuts against the second welding piece (20).

2. A speaker pad structure according to claim 1, characterized in that: A connecting sheet (40) is arranged between the first welding sheet (10) and the second welding sheet (20); the connecting sheet (40) is bent and has a smaller width than the first welding sheet (10) and the second welding sheet (20).

3. A speaker pad structure according to claim 2, characterized in that: The first welding piece (10) is smaller than the second welding piece (20), and the first welding piece (10) and the second welding piece (20) are arranged in parallel.

4. A speaker pad structure according to claim 1, characterized in that: The first welding sheet (10) comprises an inclined surface 1 (11), a straight surface 1 (12), a straight surface 2 (13) and a straight surface 3 (14) which are connected in sequence, the inclined surface 1 (11) and the straight surface 3 (14) are respectively arranged on both sides of the connecting sheet (40), the straight surface 1 (12) and the straight surface 3 (14) are arranged in parallel, the straight surface 2 (13) and the straight surface 3 (14) are arranged vertically, and the inclined surface 1 (11) is arranged obliquely.

5. A speaker pad structure according to claim 4, characterized in that: The first inclined surface (11) and the second straight surface (13) are each provided with a flange (30).

6. A speaker pad structure according to claim 4, characterized in that: The second welding piece (20) comprises a first straight surface (21), a first inclined surface (22), a second straight surface (23), a third straight surface (24) and a fourth straight surface (25) which are connected in sequence; the first straight surface (21) and the fourth straight surface (25) are respectively arranged on two sides of the connecting piece (40); the first inclined surface (22) is arranged parallel to the inclined surface one (11); the second straight surface (23) is arranged parallel to the straight surface one (12); the third straight surface (24) is arranged parallel to the straight surface two (13); and the fourth straight surface (25) is arranged parallel to the straight surface three (14).

7. A speaker pad structure according to claim 6, characterized in that: The fourth straight surface (25) and the third straight surface (14) are located in the same plane, and the first straight surface (12), the second straight surface (13) and the first inclined surface (11) are all located on the inner side of the second welding piece (20).

8. A loudspeaker comprising the loudspeaker pad structure according to any one of claims 1 to 7, characterized in that: It also includes an outer frame (50) and a pole piece (60), and the two pad structures are arranged on opposite sides of the outer frame (50).

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