Sound-producing device

Abstract

The present invention provides a sound-producing device that reduces the load required when connecting a bracket to a housing that contains a sound-producing element, and that allows the bracket to be connected to the housing in a way that prevents it from easily coming off. [Solution] The retaining portion 22 has a base portion 221, a tip locking portion 222, and a flexible portion 223 that extends from the base portion 221 to the tip locking portion 222 and is elastically deformable by bending. A movable gap 22a is formed between each of the tip locking portion 222 and the flexible portion 223 and the mounting wall portion 191. In addition, an opposing surface 222a is formed on the tip locking portion 222, and this opposing surface 222a is positioned on the other side of the second direction D2, opposite to the hole periphery opposing portion 653 of the bracket connecting portion 65, thereby preventing the bracket connecting portion 65 from moving toward the other side of the second direction D2 relative to the housing 12. The first and second extension portions 232 and 242 are extended so as to overlap with the bracket connecting portion 65 on one side of the first direction D1.

Description

Technical Field

[0001] The present disclosure relates to a sounding device that emits sound.

Background Art

[0002] Patent Document 1 describes a bracket connection structure for connecting a bracket to a housing of a sound emitter that houses a sounding body. Specifically, according to the bracket connection structure, a support structure is provided in a vertical wall of a base, which is a part of the housing, into which a plate-shaped attachment portion that forms a part of the bracket is inserted. The support structure has a base portion that protrudes from the wall surface of the vertical wall, a clamping portion that is supported by the base portion and is disposed opposite to the vertical wall, and a rail portion that is disposed at a predetermined distance from the base portion.

[0003] In the sound emitter of Patent Document 1, the bracket is connected and fixed to the housing of the sound emitter by inserting the attachment portion of the bracket into the support structure of the base. At this time, the attachment portion inserted into the support structure is clamped by the vertical wall and the clamping portion of the base, and is also clamped by the base portion and the rail portion.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the bracket connection structure in the sound emitter of Patent Document 1, as described above, the attachment portion inserted into the support structure is clamped by the vertical wall and the clamping portion of the base, and is also clamped by the base portion and the rail portion. Therefore, in order to prevent the bracket from being easily detached from the housing, for example, it is necessary to press-fit the attachment portion of the bracket into the support structure with an insertion force of a certain magnitude.

[0006] However, a structure in which the bracket is connected to the housing by press-fitting a bracket that can be firmly connected to the housing worsens the work efficiency of the worker connecting the bracket to the housing. The inventor found this to be the case after detailed examination.

[0007] In view of the above points, this disclosure aims to provide a sound-producing device that can reduce the load required when connecting a bracket to a housing that houses a sound-producing element, and that can connect the bracket to the housing in a way that prevents the bracket from easily coming off the housing. [Means for solving the problem]

[0008] To achieve the above objective, a sound-producing device according to one aspect of this disclosure is: A sound-producing element (50), A housing (12) that houses and holds the sound-producing element inside the outer wall, including an outer wall (19) surrounding the sound-producing element, a retaining part (22) connected to a mounting wall (191) that constitutes a part of the outer wall, and outer holding parts (23, 24) connected to the mounting wall, The bracket includes a bracket connecting portion (65) which has a plate shape with a first direction (D1) as the thickness direction and extends in a second direction (D2) perpendicular to the first direction, has a through hole (65a) formed therein and a tip portion (651) on one side in the second direction, and is attached to an object to be mounted (90) and holds the housing, The mounting wall portion is formed such that one side in the first direction is on the outside of the outer wall, and the outside and inside of the outer wall are separated in the first direction. The bracket connecting portion, the retaining portion, and the outer holding portion are provided on one side in the first direction relative to the mounting wall portion. The retaining portion includes a base portion (221) provided on one side of the retaining portion in the second direction and fixed to the mounting wall, a tip locking portion (222) that protrudes into the through hole from the other side in the first direction and is provided on the other side of the retaining portion in the second direction and is positioned away from the mounting wall to one side in the first direction, with an opposing surface (222a) formed thereon, and a flexible portion (223) that extends from the base portion to the tip locking portion on the other side in the first direction relative to the bracket connecting portion and is bendable and elastically deformable so as to move the tip locking portion in the first direction. A movable gap (22a) is formed between the tip locking portion and the flexible portion and the mounting wall portion, allowing the flexible portion to bend until the tip locking portion exits the through hole to the other side in the first direction. The opposing surface is positioned on the other side in the second direction, opposite to the hole periphery opposing portion (653), which is a part of the periphery of the through hole in the bracket connecting portion, thereby preventing the bracket connecting portion from moving to the other side in the second direction relative to the housing. The outer retaining portion has a fixing portion (231, 241) fixed to the mounting wall and an extension portion (232, 242) that extends from the fixing portion so as to overlap one side in the first direction with respect to the bracket connecting portion and prevents the bracket connecting portion from moving to one side in the first direction relative to the housing.

[0009] In this way, the bracket can be connected to the housing by inserting the bracket connecting portion from the other side in the second direction between the extended portion of the outer holding portion and the flexible portion of the retaining portion in the first direction. When inserting the bracket connecting portion, the retaining portion is bent and elastically deformed so that the tip locking portion moves to the other side in the first direction, making it easy to insert the bracket connecting portion, thus reducing the load required when inserting the bracket connecting portion. Furthermore, after the insertion of the bracket connecting portion is complete, the tip locking portion enters the through hole of the bracket connecting portion, so the movement of the bracket connecting portion toward the other side in the second direction relative to the housing (i.e., the side from which the bracket connecting portion is pulled out) is prevented by the retaining portion. Therefore, the bracket can be connected to the housing in a way that makes it difficult for the bracket to come off.

[0010] Furthermore, as described above, the flexible portion of the retaining part extends from the base to the tip locking portion on the other side in the first direction relative to the bracket connecting portion. Therefore, after the bracket connecting portion has been inserted between the extended portion and the flexible portion, that is, after the bracket has been connected to the housing, the outside of the retaining part on the housing will be covered by the bracket connecting portion, making it difficult for workers to touch the retaining part. This prevents the retaining part from being elastically deformed and the tip locking portion from coming out of the through hole unintentionally.

[0011] In addition, each element in the application documents may be given a reference numeral in parentheses. In this case, the reference numeral merely indicates one example of the correspondence between the element and the specific configuration described in the embodiments described later. Therefore, this disclosure is not limited in any way by the inclusion of such reference numerals. [Brief explanation of the drawing]

[0012] [Figure 1] This is a perspective view showing the sound-producing device of the first embodiment. [Figure 2] This is a front view of the sound-producing device of the first embodiment. [Figure 3] This is a view taken in the direction of arrow III in Figure 2, and is a right side view of the sound-producing device of the first embodiment. [Figure 4] This is a view taken in the direction of arrow IV in Figure 3, and is a rear view of the sound-producing device of the first embodiment. [Figure 5] This is a view in the direction of the arrow in the V direction in Figure 2, and is a left side view of the sound-producing device of the first embodiment. [Figure 6] This is a view taken in the direction of arrow VI in Figure 2, and is a bottom view of the sound-producing device of the first embodiment. [Figure 7] This is a cross-sectional view showing the VII-VII section in Figure 4 according to the first embodiment. [Figure 8] This is a perspective view showing the bracket of the sound-producing device of the first embodiment as a standalone component. [Figure 9] This is an enlarged view of section IX in Figure 4, showing one of the pair of connecting structural parts. [Figure 10] The rear view of the sound emitting device according to the first embodiment, in which the illustration of the bracket is omitted from FIG. 4. [Figure 11] An enlarged view showing an enlarged XI portion of FIG. 10, corresponding to FIG. 9 and omitting the illustration of the bracket. [Figure 12] A cross-sectional view showing the XII-XII cross-section of FIG. 11 in the first embodiment, in which the illustration of the bracket is omitted. [Figure 13] In the enlarged cross-sectional view showing an enlarged XIII portion of FIG. 7, a view showing the state immediately before the bracket is inserted between the flexible portion of the retaining portion and the first and second extending portions in the manufacturing process of the sound emitting device. [Figure 14] A view taken in the direction of arrow XIV of FIG. 11, in which the illustration of the bracket is omitted. [Figure 15] An enlarged cross-sectional view showing an enlarged XV portion of FIG. 7. [Figure 16] A perspective view showing the bracket of the sound emitting device according to the second embodiment alone, corresponding to FIG. 8. [Figure 17] A right side view of the sound emitting device according to the second embodiment, that is, a view taken in the direction corresponding to the III direction of FIG. 2, corresponding to FIG. 3. [Figure 18] In the second embodiment, an enlarged cross-sectional view showing an enlarged portion corresponding to the XIII portion of FIG. 7 is shown. [Figure 19] In the second embodiment, a view showing the state immediately before the bracket is inserted between the flexible portion of the retaining portion and the first and second extending portions in the manufacturing process of the sound emitting device, corresponding to FIG. 13.

Embodiments for Carrying Out the Invention

[0013] Hereinafter, each embodiment will be described with reference to the drawings. In the following embodiments, portions that are identical or equivalent to each other are denoted by the same reference numerals in the drawings.

[0014] (First Embodiment) The sound-generating device 10 of this embodiment is installed in an automobile, for example, outside the passenger compartment of the automobile, and is used to generate an alarm sound. In the following description, an automobile may also be simply referred to as a vehicle.

[0015] As shown in Figures 1 to 7, the sound-producing device 10 comprises a sound-producing element 11 and a bracket 60, which are connected and fixed to each other. The sound-producing element 11 is an electrical device that emits sound and comprises a housing 12, a speaker 50, and an electrical circuit board 52.

[0016] In this embodiment, for the sake of explanation, the first direction D1, the second direction D2, and the third direction D3 may be used as shown in the figures. These first direction D1, second direction D2, and third direction D3 are directions that intersect each other, or more precisely, directions that are perpendicular to each other. Furthermore, in the vehicle-mounted state where the sound-producing device 10 is installed in a vehicle, the third direction D3 coincides with the vertical direction Dg, and one side of the third direction D3 is below the vertical direction Dg.

[0017] The housing 12 is a component that forms the outer shell of the sound generator 11. It is formed as a hollow box, and houses the speaker 50 and the electrical circuit board 52 in the housing space 12a formed inside the housing 12. The housing 12 is constructed by integrally joining multiple resin parts. Specifically, the housing 12 has a front cover 14, a rear cover 16, and a housing base 18. For example, the front cover 14, the rear cover 16, and the housing base 18 are each made of a resin such as polypropylene or polybutylene terephthalate.

[0018] The housing base 18 has an outer wall 19 and a connector section 21, and the outer wall 19 and the connector section 21 are integrally constructed. Specifically, the outer wall 19 and the connector section 21 are integrally molded and constitute a single resin part.

[0019] The outer wall 19 is formed to form a roughly rectangular cylinder with the housing axis CL along the second direction D2 as its center, and surrounds the speaker 50 all around. That is, the space formed inside the outer wall 19 becomes part of the housing interior space 12a, and the speaker 50 is positioned inside the outer wall 19. The outer wall 19, the front cover 14, and the rear cover 16 are fixed to each other, forming a hollow box shape, for example, that is roughly rectangular.

[0020] The connector section 21 is provided as a connection section for electrically connecting the outside of the sound generator 11 to the electrical circuit board 52. Specifically, the connector section 21 is formed in a roughly rectangular cylindrical shape that protrudes from the outer wall 19 to one side in the third direction D3, and has an opening toward one side in the third direction D3. Multiple male terminals are provided inside the connector section 21, protruding from the outer wall 19. These multiple male terminals penetrate the outer wall 19 and enter the housing 12, and are connected to the electrical circuit board 52 by soldering or the like.

[0021] The front cover 14 is provided on one side of the housing base 18 in the second direction D2 and is fixed to the housing base 18. The front cover 14 is formed to extend in the first direction D1 and the third direction D3, and is positioned to cover the internal housing space 12a inside the outer wall 19 from one side in the second direction D2.

[0022] Furthermore, the front cover 14 has a sound vent 14a formed therein that releases sound emitted by the speaker 50 to the outside of the housing 12. This sound vent 14a serves as a passage connecting the internal space 12a of the housing 12 to the outside of the housing 12, and is open to one side in the second direction D2. In other words, the sound vent 14a functions as a sound passage that propagates sound emitted by the speaker 50 to the outside of the housing 12.

[0023] The rear cover 16 is located on the other side of the second direction D2 relative to the housing base 18 and is fixed to the housing base 18. The rear cover 16 is formed to extend in the first direction D1 and the third direction D3, and is positioned to cover the internal housing space 12a inside the outer wall 19 from the other side of the second direction D2. The rear cover 16 does not have any holes such as sound vents 14a, and the rear cover 16 separates the internal housing space 12a from the external space on the other side of the second direction D2 relative to the internal housing space 12a.

[0024] As shown in Figure 7, speaker 50 is a sound-producing element that emits sound according to the electrical signal input to it. Speaker 50 is positioned with its front facing one side of the second direction D2. That is, speaker 50 emits sound toward one side of the second direction D2. Furthermore, speaker 50 is positioned so that its directivity axis coincides with the housing axis CL. This directivity axis is a virtual straight line that serves as the reference for the directivity of speaker 50 that emits sound. In other words, the directivity axis typically corresponds to a virtual straight line that indicates the axis center of a three-dimensional shape, such as a roughly conical or spindle shape, when the range of directivity of speaker 50, for example, the range in which a predetermined sound level can be obtained, is represented by a three-dimensional shape.

[0025] Furthermore, the speaker 50 is held by the housing base 18. Specifically, the speaker 50 is joined to the housing base 18 at its peripheral edge. The speaker 50 has a diaphragm 501 that is formed to spread radially around the directional axis and has a roughly disc shape. The diaphragm 501 is a sound-emitting membrane material, and is made of, for example, paper or a film-like resin. The diaphragm 501 is vibrated in a second direction D2 according to the electrical signal input to the speaker 50, and as a result the speaker 50 emits sound in one direction D2.

[0026] The electrical circuit board 52 has a rectangular flat plate shape with the second direction D2 as the thickness direction. Specifically, the electrical circuit board 52 is a printed circuit board on which a circuit pattern is formed using copper foil or the like. The electrical circuit board 52 is fixed to the housing base 18, for example, by screws.

[0027] The electrical circuit board 52 is located on the other side of the second direction D2, spaced apart from the speaker 50. That is, the electrical circuit board 52 is located between the speaker 50 and the rear cover 16 in the internal space 12a of the enclosure. Multiple electronic components such as resistors, capacitors, and ICs are mounted on this electrical circuit board 52, and wires connecting the speaker 50 and the circuit pattern on the electrical circuit board 52 are soldered to it.

[0028] As shown in Figures 1 to 6 and Figure 8, the bracket 60 is a retaining member that is attached to the mounting object 90 and holds the sound generator 11 in relation to the mounting object 90. That is, the bracket 60 is interposed between the mounting object 90 and the sound generator 11 and is fixed to the sound generator 11. By being fixed to the mounting object 90, the bracket 60 holds the sound generator 11 in relation to the mounting object 90. The mounting object 90 can be, for example, the body of a vehicle on which the sound generator 10 is mounted.

[0029] The bracket 60 has a fixing member 61 and a connecting member 62 formed by press-forming a metal plate, and the fixing member 61 and the connecting member 62 are joined to each other and fixed together by welding or the like. The fixing member 61 and the connecting member 62 are made of metal plates such as iron, stainless steel, or aluminum alloy.

[0030] The fixing member 61 constitutes the portion of the bracket 60 that is fixed to the object 90 to be attached. For example, the fixing member 61 is fixed to the object 90 to be attached by bolting or welding.

[0031] The connecting member 62 constitutes the portion of the bracket 60 that is connected and fixed to the housing 12 of the sound generator 11. The connecting member 62 has a back plate portion 64 and a plurality of bracket connecting portions 65. Since the bracket connecting portions 65 are arranged in pairs symmetrically so as to sandwich the outer wall 19 in the first direction D1, two are provided in this embodiment.

[0032] The back plate portion 64 is positioned on the other side of the housing 12 in the second direction D2, and extends in the first direction D1 with the second direction D2 as the thickness direction. A pair of bracket connecting portions 65 are fixed to both ends of the back plate portion 64 in the first direction D1. In detail, each of the pair of bracket connecting portions 65 is formed by bending the back plate portion 64 into an L-shape by press working toward one side of the second direction D2.

[0033] As shown in Figures 3 to 6 and Figure 8, each pair of bracket connecting portions 65 has a plate shape with the first direction D1 as the thickness direction, expanding in the third direction D3 and extending in the second direction D2. Each pair of bracket connecting portions 65 has a tip portion 651 provided on one side in the second direction D2 and a base portion 652 provided on the other side in the second direction D2. The tip portion 651 and the base portion 652 each extend in the third direction D3. Each pair of bracket connecting portions 65 is connected and fixed to the back plate portion 64 at the base portion 652.

[0034] Furthermore, the tip portion 651 of the bracket connecting portion 65 has a shape in which the central part in the third direction D3 is shifted to the other side in the second direction D2. In other words, the bracket connecting portion 65 has a shape in which the central part of the tip portion 651 in the third direction D3 is recessed to the other side in the second direction D2. In addition, each of the pair of bracket connecting portions 65 has a through hole 65a formed therein that penetrates the bracket connecting portion 65 in the first direction D1. For example, the through hole 65a is formed in a rectangular shape with the third direction D3 as the longitudinal direction.

[0035] As shown in Figures 1 to 7, the bracket 60 is connected to the housing 12 by a pair of bracket connecting portions 65 formed symmetrically in the first direction D1. Therefore, in this embodiment, the connecting structure portion 68, which includes the bracket connecting portion 65 and constitutes the connection between the bracket 60 and the housing 12, is formed in a pair symmetrically on both sides of the housing 12 in the first direction D1. In other words, the pair of connecting structure portions 68 are formed symmetrically in the first direction D1, straddling the housing axis CL.

[0036] The connecting structure 68 will be described later, but since the pair of connecting structures 68 are symmetrical in the first direction D1, only one of the pair of connecting structures 68 will be described. The description of the other of the pair of connecting structures 68 will be omitted.

[0037] As shown in Figures 7, 9 to 12, the connecting structure 68 employs a snap-fit ​​structure to connect the bracket 60 and the housing 12. Therefore, the connecting structure 68 is composed of a bracket connecting portion 65, a mounting wall portion 191, a retaining portion 22, a first outer holding portion 23, a second outer holding portion 24, a first base portion 26, a second base portion 27, a first stopper portion 31, a second stopper portion 32, a first guide portion 33, and a second guide portion 34.

[0038] The mounting wall portion 191 constitutes a part of the outer wall 19 of the housing 12. In addition, the retaining portion 22, the first and second outer holding portions 23 and 24, the first and second base portions 26 and 27, the first and second stopper portions 31 and 32, and the first and second guide portions 33 and 34 each constitute a part of the housing 12. In other words, the housing 12 has the retaining portion 22, the first and second outer holding portions 23 and 24, the first and second base portions 26 and 27, the first and second stopper portions 31 and 32, the first and second guide portions 33 and 34, and the mounting wall portion 191.

[0039] As shown in Figures 7, 12, and 13, the mounting wall portion 191 is formed such that one side in the first direction D1 is on the outside of the outer wall 19, and the outside and inside of the outer wall 19 are separated in the first direction D1.

[0040] Therefore, in the description of this embodiment, as shown in Figure 7, one side of the first direction D1 is the side farther from the housing axis CL, and the other side of the first direction D1 is the side closer to the housing axis CL. Thus, when a pair of connecting structures 68 are shown on a single sheet of paper as in Figure 7, one side and the other side of the first direction D1 are as follows. That is, in that case, one side and the other side of the first direction D1 in one of the pair of connecting structures 68 are shown inverted on the same sheet of paper with respect to the one side and the other side of the first direction D1 in the other of the pair of connecting structures 68, with the housing axis CL in between.

[0041] Furthermore, the connecting structure 68 is provided on the outside of the outer wall 19, except for the mounting wall portion 191. That is, the bracket connecting portion 65, the retaining portion 22, the first and second outer holding portions 23 and 24, the first and second base portions 26 and 27, the first and second stopper portions 31 and 32, and the first and second guide portions 33 and 34 are provided on one side in the first direction D1 relative to the mounting wall portion 191.

[0042] The retaining portion 22, the first and second outer holding portions 23 and 24, the first and second base portions 26 and 27, the first and second stopper portions 31 and 32, and the first and second guide portions 33 and 34 are each connected to the mounting wall portion 191 and integrally molded together with the outer wall 19. In other words, the retaining portion 22, the first and second outer holding portions 23 and 24, the first and second base portions 26 and 27, the first and second stopper portions 31 and 32, the first and second guide portions 33 and 34, and the outer wall 19 are all included in the housing base 18, which is constructed as a single resin part.

[0043] As shown in Figures 7, 11, 13, and 14, the retaining portion 22 is formed symmetrically in the third direction D3, with respect to the retaining portion symmetry plane Pc, which is a plane of symmetry with respect to the third direction D3 as the normal direction. In this embodiment, the retaining portion symmetry plane Pc is a plane that includes the housing axis CL. The bracket connecting portion 65 is also formed symmetrically in the third direction D3 with respect to the retaining portion symmetry plane Pc. For example, the entire connecting structure portion 68 is formed symmetrically in the third direction D3 with respect to the retaining portion symmetry plane Pc.

[0044] The retaining portion 22 has a base portion 221, a tip locking portion 222, and a flexible portion 223. The base portion 221 of the retaining portion 22 is provided on one side of the retaining portion 22 in the second direction D2 and is fixed to the mounting wall portion 191. For example, the base portion 221 is formed to extend in the third direction D3.

[0045] As shown in Figures 14 and 15, the tip locking portion 222 of the retaining portion 22 is provided on the other side of the retaining portion 22 in the second direction D2, and has a shape that protrudes from the flexible portion 223 so as to enter the through hole 65a of the bracket connecting portion 65 from the other side in the first direction D1. The tip locking portion 222 is positioned away from the mounting wall portion 191 on one side in the first direction D1.

[0046] Furthermore, the tip locking portion 222 has an opposing surface 222a and an inclined surface 222b formed on its outer surface. The opposing surface 222a is provided on one side of the tip locking portion 222 in the second direction D2. The opposing surface 222a is also positioned on the other side of the second direction D2, opposite the hole periphery opposing portion 653 of the bracket connecting portion 65, and prevents the bracket connecting portion 65 from moving toward the other side of the second direction D2 relative to the housing 12. The hole periphery opposing portion 653 of the bracket connecting portion 65 constitutes a part of the periphery of the through hole 65a of the bracket connecting portion 65, faces the through hole 65a from one side in the second direction D2, and extends along the third direction D3.

[0047] Furthermore, the opposing surface 222a of the tip locking portion 222 is planar, extending along the third direction D3, but is slightly inclined with respect to the first direction D1. More specifically, the opposing surface 222a is inclined with respect to the first direction D1 such that it faces one side of the second direction D2, while being positioned closer to one side of the first direction D1 than the other side of the first direction D1. In addition, the hole periphery opposing portion 653 of the bracket connecting portion 65 is chamfered on one side of the first direction D1. That is, the hole periphery opposing portion 653 has a chamfered chamfered portion 653a on one side of the first direction D1.

[0048] As described above, the bracket connecting portion 65 has a plate shape that expands in the third direction D3 and extends in the second direction D2, and therefore has one surface 654 formed on one side in the first direction D1 and another surface 655 formed on the other side in the first direction D1. The connecting member 62 having the bracket connecting portion 65 is formed by press working as described above, but more specifically, the other surface 655 of the bracket connecting portion 65 is press-formed so that it becomes a burr surface. That is, the bracket connecting portion 65 is made of a metal plate that has been press-formed so that the other surface 655 of the bracket connecting portion 65 becomes a burr surface. Furthermore, the hole periphery opposing portion 653 of the bracket connecting portion 65 is not chamfered on the other side in the first direction D1, so minute burrs generated during press working remain on the hole periphery opposing portion 653 on the other side in the first direction D1.

[0049] The inclined surface 222b of the tip locking portion 222 is provided on the side of the tip locking portion 222 opposite to the opposing surface 222a in the second direction D2. The inclined surface 222b is a planar shape that extends along the third direction D3, and is inclined with respect to the second direction D2 such that it is located on one side of the first direction D1 as it moves toward the other side of the second direction D2 and toward one side of the first direction D1. Furthermore, as shown in Figure 15, the inclined surface 222b extends until it protrudes from the through hole 65a of the bracket connecting portion 65 toward one side of the first direction D1.

[0050] As shown in Figures 7, 13, and 14, the flexible portion 223 of the retaining portion 22 is positioned on the other side of the first direction D1 relative to the bracket connecting portion 65 and is formed in a plate shape that extends in the second direction D2 and the third direction D3 along the bracket connecting portion 65. The flexible portion 223 extends from the base portion 221 to the tip locking portion 222 on the other side of the first direction D1 relative to the bracket connecting portion 65, and is elastically deformable by bending so that the tip locking portion 222 moves to the other side of the first direction D1. Therefore, the retaining portion 22 is formed in a cantilever beam shape with the base portion 221 as the fixed end and the tip locking portion 222 as the free end.

[0051] Specifically, as shown in Figures 7 and 13, a movable gap 22a is formed between the tip locking portion 222 and the flexible portion 223 and the mounting wall portion 191. This movable gap 22a allows the flexible portion 223 to bend until the tip locking portion 222 exits the through hole 65a of the bracket connecting portion 65 to the other side in the first direction D1.

[0052] Furthermore, as shown in Figures 13 and 14, a flexible through-hole 223a is formed in the flexible portion 223 of the retaining portion 22, penetrating in the first direction D1. For example, this flexible through-hole 223a extends from the flexible portion 223 to the base portion 221. Therefore, the base portion 221 of the retaining portion 22 is divided in the third direction D3 by the flexible through-hole 223a.

[0053] As shown in Figures 11 to 14, the first outer retaining portion 23 and the second outer retaining portion 24 are formed so as to be symmetrical with respect to each other in the third direction D3 with respect to the symmetry plane Pc of the retaining portion. The first outer retaining portion 23 is provided on one side of the third direction D3 relative to the second outer retaining portion 24.

[0054] The first outer holding portion 23 has a first fixing portion 231 and a first extension portion 232. The first fixing portion 231 is provided on one side of the first outer holding portion 23 in the third direction D3 and is fixed to the mounting wall portion 191. In detail, as shown in Figures 9 and 13, the first fixing portion 231 is fixed to the mounting wall portion 191 on one side of the bracket connecting portion 65 in the third direction D3 (in other words, on the outside of the bracket connecting portion 65 in the third direction D3) and is formed to extend in the second direction D2.

[0055] As shown in Figures 7, 9, 13, and 14, the first extension portion 232 extends from the first fixing portion 231 so as to overlap with the bracket connecting portion 65 on one side in the first direction D1, and is formed in a plate shape that expands in the second direction D2 and the third direction D3. The first extension portion 232 has an outer contact portion 232a that protrudes to the other side in the first direction D1 and extends in the second direction D2. This outer contact portion 232a has a tip 232b on the other side in the first direction D1, and this tip 232b contacts one surface 654 of the bracket connecting portion 65. As a result, the first extension portion 232 prevents the bracket connecting portion 65 from moving to one side in the first direction D1 relative to the housing 12. Also, as shown in Figure 15, the end 232c of the tip 232b of the outer contact portion 232a on the other side in the second direction D2 is chamfered.

[0056] As shown in Figures 11 and 12, the first and second outer holding portions 23 and 24 are symmetrical in the third direction D3 with respect to the symmetry plane Pc of the retaining portion, as described above. Therefore, the second outer holding portion 24 has a configuration corresponding to the first outer holding portion 23. That is, the second outer holding portion 24 has a second fixing portion 241 corresponding to the first fixing portion 231 and a second extension portion 242 corresponding to the first extension portion 232.

[0057] For example, since the second extension 242 is symmetrical with respect to the first extension 232 in the third direction D3 with respect to the retaining portion symmetry plane Pc, the second extension 242 has an outer contact portion 242a that corresponds to the outer contact portion 232a of the first extension 232. Furthermore, the other end 242c of the tip 242b of the outer contact portion 242a in the second direction D2 is chamfered.

[0058] Furthermore, as shown in Figures 11 and 14, the first and second outer holding portions 23 and 24 are positioned apart in the third direction D3. In the third direction D3, tip locking portions 222 are positioned between the first and second outer holding portions 23 and 24, and more specifically between the first and second extension portions 232 and 242. That is, the first outer holding portion 23 is positioned on one side of the third direction D3 relative to the tip locking portion 222, and the second outer holding portion 24 is positioned on the other side of the third direction D3 relative to the tip locking portion 222.

[0059] Furthermore, regarding the relative positional relationship between the first and second outer holding portions 23 and 24 and the retaining portion 22, the following can be said. That is, as shown in Figure 13, the tip locking portion 222 of the retaining portion 22 is positioned on the other side of the second direction D2 with respect to the center position Cb of the second direction range Rb occupied by the first and second extension portions 232 and 242 in the second direction D2. The base portion 221 of the retaining portion 22 is positioned on one side of the second direction D2 beyond its second direction range Rb. Moreover, the opposing surface 222a of the tip locking portion 222 is located within the second direction range Rb.

[0060] As shown in Figures 11 to 14, the first base portion 26 and the second base portion 27 are formed symmetrically with respect to each other in the third direction D3 with respect to the symmetry plane Pc of the retaining portion. The first base portion 26 is positioned on one side of the third direction D3 relative to the retaining portion 22, and the second base portion 27 is positioned on the other side of the third direction D3 relative to the retaining portion 22. More specifically, the first base portion 26 is positioned on one side of the third direction D3 relative to the tip locking portion 222 and the flexible portion 223, and the second base portion 27 is positioned on the other side of the third direction D3 relative to the tip locking portion 222 and the flexible portion 223.

[0061] The first and second base portions 26 and 27 each protrude from the mounting wall portion 191 toward one side in the first direction D1 and extend toward the second direction D2, and their protruding tips 26a and 27a, that is, the tips 26a and 27a on one side in the first direction D1, contact the other side 655 of the bracket connecting portion 65.

[0062] More specifically, the tip 26a of the first base portion 26 has a first base surface 26c that extends in a second direction D2, facing the other surface 655 of the bracket connecting portion 65. Similarly, the tip 27a of the second base portion 27 has a second base surface 27c that extends in a second direction D2, facing the other surface 655 of the bracket connecting portion 65. The first base surface 26c and the second base surface 27c then contact the other surface 655 of the bracket connecting portion 65, respectively.

[0063] Furthermore, the movable gap 22a (see Figures 13 and 14) between the tip locking portion 222 and the flexible portion 223 and the mounting wall portion 191 is formed between the first base portion 26 and the second base portion 27 in the third direction D3. As shown in Figures 7 and 12, the presence of this movable gap 22a allows the flexible portion 223 of the retaining portion 22 to be elastically deformable by bending until the entire tip locking portion 222 moves to the other side in the first direction D1 relative to the first base surface 26c and the second base surface 27c.

[0064] Note that Figure 12 is a cross-sectional view in which the second base portion 27 of the first and second base portions 26 and 27 is shown, but the first base portion 26 is hidden by the second base portion 27 and is not shown. However, in Figure 12, the reference numerals 27, 27a, 27b, and 27c indicating the configuration of the second base portion 27 are accompanied by reference numerals 26, 26a, 26b, and 26c indicating the configuration of the first base portion 26, which corresponds to the configuration of the second base portion 27. Similarly, the reference numerals 32 and 32a indicating the configuration of the second stopper portion 32 are accompanied by reference numerals 31 and 31a indicating the configuration of the first stopper portion 31, which corresponds to the configuration of the second stopper portion 32.

[0065] Furthermore, the other end 26b of the tip 26a of the first base portion 26 in the second direction D2 is chamfered. Similarly, the other end 27b of the tip 27a of the second base portion 27 in the second direction D2 is also chamfered. The tip 651 of the bracket connecting portion 65 is also chamfered to correspond to the chamfering of the first and second base portions 26 and 27, the chamfering of the outer contact portions 232a and 242a of the first and second extension portions 232 and 242, and the inclined surface 222b of the tip locking portion 222 when assembling the bracket 60 to the housing 12.

[0066] Specifically, as shown in Figures 8 and 13, the tip portion 651 of the bracket connecting portion 65 is chamfered on one side and the other side in the first direction D1. That is, the tip portion 651 of the bracket connecting portion 651 has a chamfered one-sided chamfered portion 651a on one side in the first direction D1, and a chamfered other-sided chamfered portion 651b on the other side in the first direction D1. These one-sided chamfered portion 651a and the other-sided chamfered portion 651b are each formed along the entire length of the tip portion 651 of the bracket connecting portion 65.

[0067] Therefore, in the third direction D3, the area where one side chamfer 651a is formed includes the tips 232b, 242b of the outer contact portions 232a, 242a of the first and second outer holding portions 23, 24. Also, in the third direction D3, the area where the other side chamfer 651b is formed includes the tips 26a, 27a of the first and second base portions 26, 27 and the inclined surface 222b of the tip locking portion 222.

[0068] As shown in Figures 7 and 11-14, the first stopper portion 31 and the second stopper portion 32 are formed symmetrically with respect to each other in the third direction D3 with respect to the plane of symmetry Pc of the retaining portion. The first stopper portion 31 is positioned on one side of the third direction D3 relative to the retaining portion 22, and the second stopper portion 32 is positioned on the other side of the third direction D3 relative to the retaining portion 22. More specifically, the first stopper portion 31 is positioned on one side of the third direction D3 relative to the tip locking portion 222 and the flexible portion 223, and the second stopper portion 32 is positioned on the other side of the third direction D3 relative to the tip locking portion 222 and the flexible portion 223.

[0069] The first stopper portion 31 is positioned on one side of the second direction D2 relative to the first base portion 26, and the second stopper portion 32 is positioned on one side of the second direction D2 relative to the second base portion 27. In addition, the first and second stopper portions 31 and 32 each protrude from the mounting wall portion 191 beyond the tips 26a and 27a of the first and second base portions 26 and 27 to one side of the first direction D1.

[0070] For example, the first stopper portion 31 is formed to extend from the first base portion 26 to one side in the second direction D2, and the first stopper portion 31 and the first base portion 26 form a single rib shape extending in the second direction D2. Similarly, the second stopper portion 32 is formed to extend from the second base portion 27 to one side in the second direction D2, and the second stopper portion 32 and the second base portion 27 also form a single rib shape extending in the second direction D2.

[0071] Furthermore, the first and second stopper portions 31 and 32 each have abutment surfaces 31a and 32a facing the other side of the second direction D2, on one side in the first direction D1 than the tips 26a and 27a of the first and second base portions 26 and 27. These abutment surfaces 31a and 32a each face the tip 651 of the bracket connecting portion 65 and make contact with that tip 651.

[0072] As shown in Figures 11 and 14, the first guide portion 33 and the second guide portion 34 are formed symmetrically with respect to each other in the third direction D3 with respect to the symmetry plane Pc of the retaining portion. The first guide portion 33 is positioned between the first base portion 26 and the first fixing portion 231 in the third direction D3, and the second guide portion 34 is positioned between the second base portion 27 and the second fixing portion 241 in the third direction D3.

[0073] The first and second guide sections 33 and 34 each protrude from the mounting wall section 191 beyond the tips 26a and 27a of the first and second base sections 26 and 27 to one side in the first direction D1, and also extend to the second direction D2. However, the first guide section 33 is provided so as to overlap the first extension section 232 on the other side in the first direction D1, and is positioned away from the first extension section 232 on the other side in the first direction D1. Similarly, the second guide section 34 is provided so as to overlap the second extension section 242 on the other side in the first direction D1, and is positioned away from the second extension section 242 on the other side in the first direction D1.

[0074] Furthermore, the first guide portion 33 has a guide surface 33a that extends in the second direction D2 toward the other side of the third direction D3. As shown in Figures 8, 9, and 11, this guide surface 33a faces one side edge of the bracket connecting portion 65 in the third direction D3 and contacts that side edge of the bracket connecting portion 65.

[0075] Similarly, the second guide portion 34 has a guide surface 34a that extends in the second direction D2 toward one side of the third direction D3. This guide surface 34a faces the other side edge of the bracket connecting portion 65 toward the third direction D3 and contacts the other side edge of the bracket connecting portion 65.

[0076] In the manufacturing process of the sound-producing device 10 configured as described above, the bracket 60 is assembled to the sound-producing unit 11 in the following manner. That is, as shown in Figure 13, the pair of bracket connecting parts 65 are inserted from the other side of the second direction D2, as indicated by arrow Ain, between the flexible part 223 of the retaining part 22 and the first and second extending parts 232 and 242, with their tip parts 651 facing one side of the second direction D2.

[0077] At this time, as the bracket connecting portion 65 is inserted, the tip portion 651 of the bracket connecting portion 65 presses against the inclined surface 222b of the tip locking portion 222. As a result, the retaining portion 22 is bent elastically deformed so as to move the tip locking portion 222 toward the other side in the first direction D1 relative to the other surface 655 of the bracket connecting portion 65.

[0078] Furthermore, during the insertion process, the bracket connecting portion 65 is guided while being constrained in the first direction D1 by the tips 232b, 242b of the outer contact portions 232a, 242a of the first and second outer holding portions 23, 24 and the tips 26a, 27a of the first and second base portions 26, 27. At the same time, during the insertion process, the bracket connecting portion 65 is also guided while being constrained in the third direction D3 by the guide surface 33a of the first guide portion 33 and the guide surface 34a of the second guide portion 34. In short, the bracket connecting portion 65 is inserted as shown by arrow Ain while sliding in contact with the tips 232b, 242b of the outer contact portions 232a, 242a, the tips 26a, 27a of the first and second base portions 26, 27 and the guide surfaces 33a, 34a of the first and second guide portions 33, 34.

[0079] Then, the pair of bracket connecting parts 65 are inserted as shown by arrow Ain until the tip 651 of the bracket connecting part 65 abuts against the abutment surfaces 31a and 32a of the first and second stopper parts 31 and 32. Once the bracket connecting part 65 is inserted in this way until it abuts against the abutment surfaces 31a and 32a, the elastic force of the retaining part 22 causes the tip locking part 222 of the retaining part 22 to enter the through hole 65a of the bracket connecting part 65 from the other side in the first direction D1.

[0080] As a result, the opposing surface 222a of the tip locking portion 222 prevents the bracket connecting portion 65 from moving to the other side in the second direction D2 relative to the housing 12. That is, the bracket connecting portion 65 is restrained in the second direction D2 by the opposing surface 222a of the tip locking portion 222 and the abutting surfaces 31a and 32a of the first and second stopper portions 31 and 32. In this way, the assembly of the bracket 60 to the sound generator 11 is completed.

[0081] As described above, according to this embodiment, as shown in Figures 7 and 13, the retaining portion 22 has a base portion 221, a tip locking portion 222, and a flexible portion 223 that extends from the base portion 221 to the tip locking portion 222 and is elastically deformable by bending. A movable gap 22a is formed between each of the tip locking portion 222 and the flexible portion 223 and the mounting wall portion 191. In addition, an opposing surface 222a is formed on the tip locking portion 222, and this opposing surface 222a is positioned on the other side of the second direction D2, opposite to the hole periphery opposing portion 653 of the bracket connecting portion 65, thereby preventing the bracket connecting portion 65 from moving toward the other side of the second direction D2 relative to the housing 12. As shown in Figures 7, 9, and 11, the first and second extensions 232 and 242 extend over the bracket connecting portion 65 on one side in the first direction D1, thereby preventing the bracket connecting portion 65 from moving toward the housing 12 on one side in the first direction D1.

[0082] Therefore, as shown in Figure 13, the bracket 60 can be connected to the housing 12 by inserting the bracket connecting portion 65 from the other side in the second direction D2 between the flexible portion 223 of the retaining portion 22 and the first and second extension portions 232 and 242, as shown by arrow Ain. When inserting the bracket connecting portion 65 as shown by arrow Ain, the bracket connecting portion 65 can be easily inserted by bending and elastically deforming the retaining portion 22 so that the tip locking portion 222 moves to the other side in the first direction D1. As a result, the load required when inserting the bracket connecting portion 65 can be reduced.

[0083] Furthermore, after the insertion of the bracket connecting portion 65 is complete, the tip locking portion 222 enters the through hole 65a of the bracket connecting portion 65, so that the movement of the bracket connecting portion 65 toward the other side in the second direction D2 relative to the housing 12 is prevented by the retaining portion 22. Therefore, the bracket 60 can be connected to the housing 12 in such a way that it is difficult for the bracket 60 to come off the housing 12.

[0084] Furthermore, the flexible portion 223 of the retaining portion 22 extends from the base portion 221 to the tip locking portion 222 on the other side of the first direction D1 relative to the bracket connecting portion 65. Therefore, after the bracket connecting portion 65 has been inserted between the flexible portion 223 and the first and second extension portions 232 and 242, that is, after the bracket 60 has been assembled to the housing 12, the outside of the retaining portion 22 on the housing 12 will be covered by the bracket connecting portion 65. This makes it difficult for workers to touch the retaining portion 22, thus preventing the retaining portion 22 from being elastically deformed and the tip locking portion 222 from coming out of the through hole 65a unintentionally occurring.

[0085] (1) Furthermore, according to this embodiment, as shown in Figure 15, the sound-producing device 10 is equipped with all of the following configurations (i) to (iii). (i) The opposing surface 222a of the tip locking portion 222 is inclined with respect to the first direction D1 such that it faces one side of the second direction D2, while being positioned on one side of the second direction D2 as it is on one side of the first direction D1. (ii) The hole periphery opposing portion 653 of the bracket connecting portion 65 is chamfered on one side in the first direction D1. (iii) The bracket connecting portion 65 is made of a metal plate that has been press-formed with the other side 655 of the bracket connecting portion 65 being a burr surface.

[0086] Therefore, when an external force is applied to pull the bracket connecting portion 65 from the housing 12 to the other side in the second direction D2, configuration (i) above allows the external force to be applied in a direction that causes the tip locking portion 222 to penetrate deeply into the through hole 65a. Furthermore, configuration (ii) above reduces the contact area between the opposing surface 222a and the hole periphery opposing portion 653, and biases their contact position toward the base side of the protruding shape of the tip locking portion 222 that protrudes in the first direction D1. As a result, when the above external force is generated, the point of force application in the retaining portion 22 can be brought closer to the fulcrum. Furthermore, configuration (iii) above allows minute burrs from press working remaining on the other side of the hole periphery opposing portion 653 in the first direction D1 to catch on the opposing surface 222a of the tip locking portion 222. Based on these considerations, it is possible to prevent the tip locking portion 222 of the retaining portion 22 from easily coming loose from the through hole 65a of the bracket connecting portion 65 when the above-mentioned pulling force occurs. In other words, it is possible to firmly connect the bracket 60 to the housing 12 of the sound generator 11.

[0087] If the sound-producing device 10 were to simply have configuration (i) without configuration (ii), the contact position between the opposing surface 222a and the hole periphery opposing portion 653 would be biased toward the tip side of the protruding shape of the tip locking portion 222 by the thickness of the bracket connecting portion 65. In other words, in that case, configuration (i) would cause the point of force application at the retaining portion 22 when the pulling force occurs to move away from the fulcrum, which is undesirable. Furthermore, with configuration (ii), the minute burrs obtained during press working by configuration (iii) can be left on the hole periphery opposing portion 653 without being crushed even if chamfering is provided. Therefore, configurations (i) to (iii) are not simply a collection of elements but are interconnected and work together to create a synergistic effect that makes it difficult for the tip locking portion 222 of the retaining portion 22 to come loose from the through hole 65a of the bracket connecting portion 65.

[0088] (2) In addition, according to this embodiment, as shown in Figures 12, 13, and 15, the ends 232c and 242c of the tips 232b and 242b of the outer contact portions 232a and 242a of the first and second extension portions 232 and 242 are chamfered on the other side in the second direction D2. Also, the ends 26b and 27b of the tips 26a and 27a of the first and second base portions 26 and 27 are chamfered on the other side in the second direction D2, and the tip portion 651 of the bracket connecting portion 65 is chamfered on one side and the other side in the first direction D1. Furthermore, an inclined surface 222b is formed on the side of the tip locking portion 222 that is opposite to the opposing surface 222a in the second direction D2.

[0089] This reduces the frictional force when the bracket connecting portion 65 is inserted between the flexible portion 223 of the retaining portion 22 and the first and second extension portions 232 and 242 from the other side in the second direction D2 as shown by arrow Ain during the assembly of the bracket 60 to the sound generator 11. This also reduces the insertion load when inserting the bracket connecting portion 65.

[0090] (3) Furthermore, according to this embodiment, as shown in Figure 11, the first and second base portions 26 and 27 each protrude from the mounting wall portion 191 to one side in the first direction D1 and extend to the second direction D2, and their protruding tips 26a and 27a contact the other surface 655 of the bracket connecting portion 65. The first base portion 26 is positioned to one side in the third direction D3 than the tip locking portion 222 and the flexible portion 223, and the second base portion 27 is positioned to the other side in the third direction D3 than the tip locking portion 222 and the flexible portion 223. Therefore, when the bracket connecting portion 65 is inserted as shown by arrow Ain in Figure 13, it is possible to prevent the tip locking portion 222 of the retaining portion 22 from being excessively pressed and causing plastic deformation of the retaining portion 22.

[0091] (4) Furthermore, according to this embodiment, as shown in Figure 13, the flexible portion 223 of the retaining portion 22 is capable of bending elastic deformation until the entire tip locking portion 222 moves to the other side in the first direction D1 relative to the first base surface 26c and the second base surface 27c. Therefore, when the bracket connecting portion 65 is inserted as shown by arrow Ain in Figure 13, it is possible to avoid the tip locking portion 222 getting caught on the bracket connecting portion 65 during insertion, and the insertion load when inserting the bracket connecting portion 65 can be reduced.

[0092] (5) Furthermore, according to this embodiment, as shown in Figures 13 and 14, the flexible portion 223 of the retaining portion 22 has a flexible through-hole 223a that penetrates in the first direction D1. Therefore, the elastic rebound force of the retaining portion 22 that is bent when the bracket connecting portion 65 is inserted as shown by arrow Ain in Figure 13 can be adjusted to be small. At the same time, the width of the retaining portion 22 in the third direction D3 can be made sufficiently large so that the retaining portion 22 can stably hold the bracket connecting portion 65 after insertion is complete.

[0093] (6) Furthermore, according to this embodiment, as shown in Figure 13, the tip locking portion 222 of the retaining portion 22 is positioned on the other side of the second direction D2 with respect to the center position Cb of the second direction range Rb occupied by the first and second extensions 232 and 242 in the second direction D2. The base portion 221 of the retaining portion 22 is positioned on one side of the second direction D2 beyond its second direction range Rb. Therefore, the distance between the base portion 221 and the tip locking portion 222 of the retaining portion 22 can be made larger in the second direction D2. As a result, the elastic rebound force of the retaining portion 22 that is deflected when the bracket connecting portion 65 is inserted as shown by arrow Ain in Figure 13 can be reduced, and the insertion load when inserting the bracket connecting portion 65 can be reduced.

[0094] (7) In addition, according to this embodiment, as shown in Figure 7, the speaker 50 is positioned with its front facing one side in the second direction D2. The connecting structure 68, which includes the bracket connecting portion 65 and connects the bracket 60 to the housing 12, is formed in pairs symmetrically on both sides of the housing 12 in the first direction D1. The bracket 60 has a back plate portion 64 to which each of the pair of bracket connecting portions 65 is fixed and which is positioned on the other side in the second direction D2 relative to the housing 12. Therefore, the sound emitter 11 can be stably held by the bracket 60 without the sound emission from the speaker 50 being obstructed by the bracket 60.

[0095] (Second Embodiment) Next, a second embodiment will be described. In this embodiment, the differences from the first embodiment described above will be mainly explained. Furthermore, parts that are the same as or equivalent to the above embodiment will be omitted or simplified in their description. The same applies to the descriptions of the embodiments described later.

[0096] As shown in Figures 16 to 19, in this embodiment, the shape of the tip portion 651 of the pair of bracket connecting portions 65 differs from that of the first embodiment.

[0097] Specifically, the tip portion 651 of the bracket connecting portion 65 includes a bent tip portion 651c that is bent to one side in the first direction D1 by press bending. This bent tip portion 651c is provided on a part of the tip portion 651 and is formed in the central part of the width that the tip portion 651 occupies in the third direction D3. More specifically, at least a portion of the range Wa that the bent tip portion 651c occupies in the third direction D3 overlaps with the range Wb (see Figure 11) that the tip locking portion 222 of the retaining portion 22 occupies in the third direction D3. Furthermore, the bent tip portion 651c is located on the other side of the third direction D3 relative to the first extension portion 232 and on one side of the third direction D3 relative to the second extension portion 242.

[0098] Since the tip bent portion 651c is a part bent to one side in the first direction D1 by press bending, the curved surface 651d, which is the bend radius created by the press bending, is formed from the other surface 655 of the bracket connecting portion 65 to the tip bent portion 651c. For example, the tip bent portion 651c is bent at a bending angle of about 45 degrees such that the side of the second direction D2 is located closer to the side of the first direction D1.

[0099] In this embodiment as well, the tip portion 651 of the bracket connecting portion 65 has one side chamfered portion 651a and the other side chamfered portion 651b, but the one side chamfered portion 651a and the other side chamfered portion 651b are each divided in the third direction D3 by the tip bending portion 651c.

[0100] In this embodiment, the tip 232b, 242b of the outer contact portions 232a, 242a of the first and second outer holding portions 23, 24 are located within the range where one side chamfer portion 651a is formed in the third direction D3. The tip 26a, 27a of the first and second base portions 26, 27 are located within the range where the other side chamfer portion 651b is formed in the third direction D3.

[0101] (1) As described above, according to this embodiment, the tip portion 651 of the bracket connecting portion 65 includes a bent tip portion 651c that is bent to one side in the first direction D1 by press bending. At least a portion of the range Wa occupied by the bent tip portion 651c in the third direction D3 overlaps with the range Wb (see Figure 11) occupied by the tip locking portion 222 of the retaining portion 22 in the third direction D3.

[0102] Therefore, when the bracket connecting portion 65 is inserted as shown by arrow Ain in Figure 19, the curved surface 651d formed by the press bending of the tip bent portion 651c presses against the inclined surface 222b of the tip locking portion 222, causing the retaining portion 22 to flex. As a result, when the bracket connecting portion 65 is inserted, the tip portion 651 of the bracket connecting portion 65 is less likely to catch on the inclined surface 222b, and the frictional force between the tip portion 651 and the inclined surface 222b can be reduced. This reduces the insertion load when inserting the bracket connecting portion 65. For example, in this embodiment, the insertion load when inserting the bracket connecting portion 65 can be reduced compared to the first embodiment.

[0103] Except as described above, this embodiment is the same as the first embodiment. In this embodiment, the effects obtained from the configuration common to the first embodiment can be obtained in the same way as in the first embodiment.

[0104] (Other embodiments) (1) In each of the embodiments described above, as shown in Figure 14, the retaining portion symmetry plane Pc is a plane that includes the housing axis CL, but it may also be a plane that does not include the housing axis CL and is located away from the housing axis CL.

[0105] (2) In each of the embodiments described above, as shown in Figures 4 and 7, a pair of connecting structures 68 including bracket connecting parts 65 etc. are formed, but this is just one example. For example, it is conceivable that one or three or more of these connecting structures 68 are provided.

[0106] (3) In each of the embodiments described above, as shown in Figures 1 and 2, the sound-producing device 10 is mounted on the vehicle such that the third direction D3 coincides with the vertical direction Dg and one side of the third direction D3 is below the vertical direction Dg, but this is just one example. Various orientations of the sound-producing device 10 when mounted on a vehicle are possible, so the third direction D3 does not necessarily have to coincide with the vertical direction Dg.

[0107] (4) This disclosure is not limited to the embodiments described above and can be implemented in various modified forms. Furthermore, it goes without saying that, in each of the above embodiments, the elements constituting the embodiment are not necessarily essential, except in cases where they are explicitly stated to be particularly essential or where they are clearly considered essential in principle.

[0108] Furthermore, in each of the above embodiments, when numerical values ​​such as the number, numerical values, quantities, or ranges of the components of the embodiment are mentioned, the embodiments are not limited to those specific numbers unless explicitly stated as particularly essential or when they are clearly limited to a specific number in principle. Also, in each of the above embodiments, when the material, shape, positional relationship, etc. of the components are mentioned, the embodiments are not limited to those material, shape, positional relationship, etc. unless explicitly stated or when they are clearly limited to a specific material, shape, positional relationship, etc. in principle. [Explanation of Symbols]

[0109] 12 cabinets 22 Retaining part 23 First outer holding part (outer holding part) 24 Second outer holding part (outer holding part) 60 bracket 65 Bracket connection part 191 Mounting wall section 221 Base 222 Tip locking part 223 Flexible part

Claims

1. A sound-producing device, A sound-producing element (50), A housing (12) includes an outer wall (19) surrounding the sound-producing element, a retaining part (22) connected to a mounting wall (191) that constitutes a part of the outer wall, and outer holding parts (23, 24) connected to the mounting wall, which houses the sound-producing element inside the outer wall and holds the sound-producing element. The bracket includes a bracket connecting portion (65) which has a plate shape with a first direction (D1) as the thickness direction and extends in a second direction (D2) perpendicular to the first direction, has a through hole (65a) formed therein and has a tip portion (651) on one side in the second direction, and is attached to the object to be mounted (90) and holds the housing, The mounting wall portion is formed such that one side in the first direction is on the outside of the outer wall, and the outside and inside of the outer wall are separated in the first direction. The bracket connecting portion, the retaining portion, and the outer holding portion are provided on one side in the first direction relative to the mounting wall portion. The retaining portion includes a base portion (221) provided on one side of the retaining portion in the second direction and fixed to the mounting wall portion, a tip locking portion (222) that protrudes into the through hole from the other side in the first direction and is provided on the other side of the retaining portion in the second direction and is positioned away from the mounting wall portion toward the one side in the first direction and has an opposing surface (222a) formed thereon, and a flexible portion (223) that extends from the base portion to the tip locking portion on the other side in the first direction relative to the bracket connecting portion and is bendable elastically deformable to move the tip locking portion toward the first direction. Between the tip locking portion and the flexible portion and the mounting wall portion, a movable gap (22a) is formed that allows the flexible portion to bend until the tip locking portion exits the through hole to the other side in the first direction. The opposing surface is positioned on the other side in the second direction, facing the hole periphery opposing portion (653), which is a part of the periphery of the through hole, within the bracket connecting portion, thereby preventing the bracket connecting portion from moving toward the other side in the second direction relative to the housing. The sound-producing device has an outer holding portion comprising a fixing portion (231, 241) fixed to the mounting wall portion and an extending portion (232, 242) that extends from the fixing portion so as to overlap the bracket connecting portion with respect to one side in the first direction and prevents the bracket connecting portion from moving toward the housing toward the one side in the first direction.

2. The opposing surfaces are inclined with respect to the first direction such that they face toward one side of the second direction and are positioned toward one side of the second direction as one side of the first direction is toward one side of the second direction, The portion of the hole periphery facing the hole is chamfered on one side in the first direction. The sound-producing device according to claim 1, wherein the bracket connecting portion is made of a metal plate that has been press-formed so that the other side surface (655) in the first direction of the bracket connecting portion is a burr surface.

3. The housing has base portions (26, 27) that protrude from the mounting wall portion toward one side in the first direction and extend toward the second direction, with the protruding tips (26a, 27a) contacting the bracket connecting portion. The extended portion has outer contact portions (232a, 242a) that protrude toward the other side in the first direction and extend toward the second direction, with the protruding tips (232b, 242b) contacting the bracket connecting portion. The other end of the tip of the base portion in the second direction (26b, 27b) and the other end of the tip of the outer contact portion in the second direction (232c, 242c) are each chamfered. The tip portion is chamfered on both the one side and the other side in the first direction. The sound-producing device according to claim 1 or 2, wherein the tip locking portion has an inclined surface (222b) formed on the side opposite to the opposing surface in the second direction, which is positioned on the side of the first direction as one side in the second direction approaches the other side in the second direction and is inclined with respect to the second direction.

4. The housing has a first base portion (26) and a second base portion (27) that protrude from the mounting wall portion toward one side in the first direction and extend toward the second direction, with the protruding tips (26a, 27a) contacting the bracket connecting portion. The first base portion is positioned on one side of the third direction (D3) perpendicular to the first direction and the second direction with respect to the tip locking portion and the flexible portion, The second base portion is positioned on the other side in the third direction relative to the tip locking portion and the flexible portion. The sound-producing device according to claim 1 or 2, wherein the movable gap is formed between the first base portion and the second base portion in the third direction.

5. The tip (26a) of the first base portion has a first base surface (26c) that extends in the second direction opposite to the bracket connecting portion. The tip (27a) of the second base portion has a second base surface (27c) that extends in the second direction opposite to the bracket connecting portion. The sound-producing device according to claim 4, wherein the flexible portion is bendable until the entire tip locking portion moves toward the other side in the first direction relative to the first base surface and the second base surface.

6. The sound-producing device according to claim 1 or 2, wherein the flexible portion has a through-hole (223a) that penetrates in the first direction.

7. The tip locking portion is positioned on the other side in the second direction with respect to the center position (Cb) of the second direction range (Rb) occupied by the extended portion in the second direction. The sound-producing device according to claim 1 or 2, wherein the base is located on one side of the second direction beyond the second direction range.

8. The bracket connecting portion is made of a metal plate. The tip portion includes a bent tip portion (651c) that has been bent toward one side in the first direction by bending, The sound-producing device according to claim 1, wherein at least a portion of the range (Wa) occupied by the tip bending portion in a third direction (D3) perpendicular to the first and second directions overlaps with the range (Wb) occupied by the tip locking portion in the third direction.

9. The tip portion includes a bent tip portion (651c) that has been bent toward one side in the first direction by bending, The sound-producing device according to claim 2, wherein at least a portion of the range (Wa) occupied by the tip bending portion in a third direction (D3) perpendicular to the first and second directions overlaps with the range (Wb) occupied by the tip locking portion in the third direction.

10. The sound-producing element is positioned with its front surface facing one side in the second direction. The connecting structure (68), which includes the mounting wall, the retaining portion, the outer holding portion, and the bracket connecting portion, is formed symmetrically in at least one pair on both sides of the housing in the first direction. The sound-producing device according to any one of claims 1, 2, 8, or 9, wherein the bracket has a back plate portion (64) to which each of the plurality of bracket connecting portions is fixed and which is positioned on the other side in the second direction relative to the housing.

Images