JP2018042131A - Speaker and mount structure of speaker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a speaker which can be mounted to a mount member with less number of components and less work.SOLUTION: A speaker includes a flange part (1a), a through hole (2) formed in a flange part (1a), an engagement member (3) having an engagement portion (3b) which is disposed within the through hole (2), protrudes from the flange part (1a), and can be engaged in a mount hole (61a) of a predetermined dimension, and a connection part (4) which connects an inner surface (2a) of the through hole (2) and the engagement member (3), and can be cut by a hand tool.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a speaker and a speaker mounting structure.

  Patent Document 1 describes a structure for attaching a speaker to a plate-like attached member.

In the speaker mounting structure described in Patent Document 1, a resin mounting tool is interposed between the mounted member and the speaker frame.
The fixture has a locking portion that can be locked in a hole formed in a member to be mounted on one end side, and can be engaged with a speaker frame and screwed in a tapping screw on the other end side. And an engaging portion having a screw hole.

  Then, the locking portion of the fixture is locked in the hole of the attached member, the engaging portion is engaged with the frame of the speaker, and the frame is fastened together with the screw hole of the engaging portion by a tapping screw. The speaker can be attached to the attached member.

Japanese Patent No. 4603929

The speaker mounting structure described in Patent Document 1 requires a mounting tool as a dedicated component for mounting the speaker in addition to the tapping screw.
Therefore, there is room for improvement from the viewpoint of reducing the number of parts.

  In addition, in the work of attaching the speaker to the attached member, it is necessary to perform many operations such as locking the attachment tool to the attached member, engaging the speaker with the attachment tool, and screwing the tapping screw. There is room for improvement in terms of reduction.

  Therefore, the problem to be solved by the present invention is to provide a speaker and a speaker mounting structure that can be mounted on a member to be mounted with a small number of parts and a small number of operations.

In order to solve the above problems, the present invention has the following configurations 1) to 4).
1) flange part,
A through hole formed in the flange portion;
A locking member disposed in the through hole and having a locking portion that protrudes from the flange portion and can be locked to a mounting hole of a predetermined size;
A connecting portion that connects the inner surface of the through hole and the locking member and can be cut by a hand tool;
It is a speaker provided with.
2) a flange part;
A through hole formed in the flange portion;
A base having a first hole disposed in the through hole and extending in the same direction as the through hole, and a locking portion connected to the base and protruding from the flange to be locked in a mounting hole of a predetermined size A locking member having
A connecting portion that connects the inner surface of the through hole and the base portion and can be cut by a hand tool;
A bottomed pocket portion formed in the flange portion and capable of accommodating the base portion separated by cutting the connecting portion;
A second hole facing the first hole of the base formed in the bottom of the pocket and housed in the pocket;
It is a speaker provided with.
3) A speaker mounting structure for mounting a speaker to a mounted member,
The speaker is
A flange,
A through hole formed in the flange portion;
A locking member disposed in the through hole and having a locking portion that protrudes from the flange portion and can be locked to a mounting hole of a predetermined size;
A connecting portion that connects the inner surface of the through-hole and the locking member and can be cut by a hand tool,
The attached member has the attachment hole of the predetermined dimension,
The speaker mounting structure is characterized in that the speaker can be mounted on the mounted member by locking the locking member of the speaker in the mounting hole of the mounted member.
4) A speaker mounting structure for mounting a speaker to a mounted member,
The speaker is
A flange,
A through hole formed in the flange portion;
A base having a first hole disposed in the through hole and extending in the same direction as the through hole, and a locking portion connected to the base and protruding from the flange to be locked in a mounting hole of a predetermined size A locking member having
A connecting portion that connects the inner surface of the through hole and the base portion and can be cut by a hand tool;
A bottomed pocket portion formed in the flange portion and capable of accommodating the base portion separated by cutting the connecting portion;
A second hole facing the first hole of the base formed in the bottom of the pocket and housed in the pocket;
With
The attached member has the attachment hole of the predetermined dimension,
The speaker mounting structure is characterized in that the speaker can be mounted on the mounted member by locking the locking member of the speaker in the mounting hole of the mounted member.

  According to the present invention, the speaker can be attached to the attached member with a small number of parts and a small number of operations.

FIG. 1 is a diagram for explaining a vehicle frame 61 to which a speaker 51 that is Example 1 of the speaker according to the embodiment of the present invention is attached. FIG. 2 is a rear view for explaining the speaker 51. FIG. 3 is a cross-sectional view at the position S3-S3 in FIG. FIG. 4 is a front view for explaining the locking member 3 of the speaker 51. FIG. 5 is a cross-sectional view for explaining a locking mode between the locking member 3 and the mounting hole 61 b of the vehicle frame 61. FIG. 6 is a view for explaining separation of the speaker 51 attached to the vehicle frame 61. FIG. 7 is a rear view for explaining a speaker 52 which is Example 2 of the speaker according to the embodiment of the present invention. FIG. 8 is a cross-sectional view at the position S8-S8 in FIG. FIG. 9 is a diagram for explaining a state in which the base portion 3a of the locking member 3 is accommodated in the pocket portion 11 of the screw attachment portion TB2 provided in the speaker 52. FIG. 10 is a diagram for explaining an operation of attaching the speaker 52 to the vehicle frame 61. FIG. 11 is a rear view showing a state in which the speaker 52 is separated from the vehicle frame as a locking member-less speaker 52A. FIG. 12 is a cross-sectional view for explaining a reattachment state in the screw attachment portion TB2. FIG. 13 is a cross-sectional view for explaining a locking member 3 </ b> A that is a modification of the locking member 3.

A speaker according to an embodiment of the present invention will be described with a speaker 51 of Example 1 and a speaker 52 of Example 2.
Here, the speaker means a single unit of an electroacoustic transducer generally called a speaker unit.

Example 1
The speaker 51 according to the first embodiment is, for example, a speaker for a vehicle such as an automobile, and the vehicle frame 61 is attached as an attached member.
The vehicle frame 61 is a frame made of sheet metal, for example, of a vehicle door.

As shown in FIG. 1, the vehicle frame 61 as a member to be attached has a sound emitting hole 61 a for allowing the output sound from the attached speaker 51 to pass therethrough, and a plurality of attachment holes with predetermined dimensions for attaching the speaker 51. 61b is formed.
The attachment holes 61b are four in this example, and are formed on the circumference Ca of the diameter Da centering on the center position Cta of the sound emission hole 61a with an angular pitch Pta of 90 °.

FIG. 2 is a rear view for explaining the speaker 51. The speaker 51 described in this example is a so-called dynamic type having a magnet Mg and a diaphragm S (see also FIG. 6).
Referring to FIG. 6 showing the side surface of the speaker 51, the speaker 51 is connected to an annular flange portion 1a, a cover 1b in which a magnet Mg is housed, and a flange portion 1a and a cover 1b. And a connecting portion 1c formed to reduce the diameter toward the cover 1b side.
The connecting portion 1c has openings 1c1 formed at a plurality of locations. From the opening 1c1, a funnel-shaped diaphragm S disposed inside faces the opening 1c1.
The flange portion 1a supports the diaphragm S via an edge.

  In the following description, the side on which the magnet Mg is disposed with respect to the flange portion 1a is the back side, and the side opposite to the magnet Mg is the positive side (see FIG. 6). That is, the front side in FIG. 2 is the back side.

The frame 1 has at least a flange portion 1a made of resin.
The flange portion 1a is provided with a plurality of attachment portions TB at an angular pitch Ptb. In this example, the angular pitch Ptb is set equal to 90 ° to the angular pitch Pta.
The position of the central axis CL1 (see FIGS. 2 and 3) of the attachment portion TB is located on a circumference Cb having a diameter Db with the center position Ctb of the speaker 51 as the center.

The attachment portion TB will be described with reference to FIGS.
3 is a cross-sectional view (partially half cross-section) at the position S3-S3 in FIG.
FIG. 4 is a front view of the attachment portion TB.

  The attachment portion TB connects the through hole 2 formed in the flange portion 1a, the locking member 3 disposed in the through hole 2 and extending in the normal direction, and the locking member 3 and the inner peripheral surface 2a of the through hole 2. And a connecting portion 4 to be configured.

The through hole 2 is formed in a circular shape when viewed from the positive side.
The locking member 3 has a base portion 3a located at the same position in the front and back direction as the flange portion 1a, and a pair of locking portions 3b and 3b protruding from the base portion 3a to the positive side.

Specifically, the base portion 3a is formed in a columnar shape having the same thickness as the flange portion 1a in the front-back direction, for example.
The base portion 3a is connected to the positive side end surface 3a1 and the back side back end surface 3a2 so that the positive side surface 1a1 and the back side surface 1a2 of the flange portion 1a are at the same position in the normal direction. 4 is connected to the flange portion 1a.

  When a pair of locking portions 3b, 3b is virtually set to a member that protrudes in a substantially cylindrical shape from the positive side end surface 3a1 of the base portion 3a to the positive side with the central axis CL1 extending in the front-back direction of the base portion 3a as an axis, It is formed as a remaining portion in which a slit 3s having a width ds is formed in the member.

The pair of locking portions 3b, 3b are erected opposite to each other with the slit 3s interposed therebetween, and have flexibility in a direction in which one approaches toward the other (see an arrow DRa in FIG. 5).
A plurality of arc-shaped circumferential ribs 3d having a substantially triangular cross-section and projecting in the radially outward direction are arranged side by side in the front-back direction on the circumferential surface of the locking portion 3b to form the concavo-convex portion 3e. doing.
When viewed from the positive side, the outline of the circumferential rib 3d in a natural state is on the circumference of the diameter Dd (see FIG. 3).

The locking member 3 has a hole 3f formed so as to extend from the back end face 3a2 to the positive side along the central axis CL1.
Specifically, the hole 3f is formed with a diameter Dc having a width larger than the width ds of the slit 3s and a depth La that passes through the base portion 3a and reaches the middle of the locking portion 3b.

The plurality of connecting portions 4 are formed with an angular pitch Ptc around the central axis CL1. The angular pitch Ptc is 90 ° in this example.
The connecting portion 4 is formed, for example, by connecting the base portion 3 a and the inner peripheral surface 2 a of the through hole 2 to the backmost side of the base portion 3 a of the locking member 3.
The connecting portion 4 is formed so that the shape [width d4 (see FIG. 4) and thickness L4 (see FIG. 3)] has a shear strength that can be cut using a hand tool for cutting. The cutting hand tool is, for example, a nipper, a cutter, a scissors, or the like, and is a tool that cuts a member by shearing with a hand.
Of course, the connection part 4 may be cut | disconnected by the shearing force provided by pushing the latching member 3 to the positive side or back side with respect to the flange part 1a.

The locking member 3 of the attachment portion TB is attached to the attachment hole 61b of the vehicle frame 61.
Therefore, each dimension and shape relating to the attachment portion TB are set as follows in association with each dimension and shape relating to the attachment hole 61b.

The diameter Db of the circumference Cb related to the arrangement position of the attachment portion TB is equal to the diameter Da of the circumference Ca related to the position of the attachment hole 61b.
As described above, the angle pitch Ptb that is the arrangement angle pitch of the attachment portion TB is equal to the angle pitch Pta related to the position of the attachment hole 61b.
A diameter Dd (see FIG. 3) related to the peripheral rib 3d of the locking portion 3b is set to be slightly larger than a diameter Da1 (see FIG. 1) of the mounting hole 61b.
The distance Lb in the front-rear direction between the position of the engaging portion 3b farthest from the base portion 3a of the uneven portion 3b and the surface 1a1 of the flange portion 1a shown in FIG. 3 is a vehicle frame 61 that is a mounted member. The thickness is at least half of the thickness t61 (see FIG. 5). Desirably, the distance Lb is greater than or equal to the thickness t61.

With these settings, the speaker 51 can be attached to the vehicle frame 61, which is a member to be attached, by locking the locking member 3 of the flange portion 1a in the mounting hole 61b.
FIG. 5 is a cross-sectional view illustrating a locking mode between the locking member 3 and the mounting hole 61b in a state where the locking member 3 is locked to the mounting hole 61b, that is, in a state where the speaker 51 is mounted to the vehicle frame 61. It is.

  When the speaker 51 is attached to the vehicle frame 61, first, the speaker 51 is placed on the back side of the vehicle frame 61 so that the flange portion 1a and the vehicle frame 61 are substantially parallel, and the locking member 3 is attached to the attachment hole. The circumferential position is adjusted so as to correspond to 61b.

Then, as indicated by the arrow DRb in FIG. 5, the flange portion 1a is brought close to the vehicle frame 61, and the locking member 3 is inserted into the mounting hole 61b.
Since the pair of locking portions 3b and 3b of the locking member 3 are strongly fitted to the mounting hole 61b in a natural state, insertion is performed while being elastically bent toward each other (see arrow DRa in FIG. 5). proceed.
The insertion of the locking portions 3b and 3b into the mounting hole 61b is completed when the surface 1a1 of the flange portion 1a abuts on the vehicle frame 61.

  FIG. 5 is a diagram showing a state where the insertion is completed. In this state, the concavo-convex portion 3e is hooked and locked so that the convex portion bites into the inner peripheral surface of the mounting hole 61b. Further, the concave and convex portion 3e is pressed against the inner surface of the mounting hole 61b by the elastic repulsive force accompanying the bending of the locking portions 3b and 3b, and the biting becomes stronger, and the locking becomes stronger.

Thus, the speaker 51 can be attached to the member to be attached (the vehicle frame 61) without using a dedicated attachment or using a screw component such as a tapping screw. Moreover, the attachment work is also only pushed in by matching the posture of the speaker 51.
That is, the speaker 51 can be attached to the attached member with a small number of parts and a small amount of work.

The speaker 51 attached to the attached member can be easily separated from the attached member (vehicle frame 61) for separation and disposal.
That is, as shown in FIG. 6, the speaker 51 attached to the vehicle frame 61 cuts the connecting portion 4 at the position P and moves it to the back side (see the arrow DRc), thereby locking the speaker 51. 3 (hereinafter referred to as locking member-less speaker 51A) can be separated from the vehicle frame 61. By this separation, the locking member 3 remains in the locked state on the vehicle frame 61 side. The cut connecting portion 4 is hereinafter referred to as a remaining cutting portion 4a.

As described above, the connecting portion 4 has a narrow width and a small thickness, and can be manually cut by a tool such as a nipper or a cutter.
It is preferable that the connecting portion 4 is formed on the most back side of the flange portion 1a because cutting becomes easy.

(Example 2)
Next, the speaker 52 of Example 2 will be described.
The speaker 52 has the same or more number of screw attachment portions TB2 as the attachment portions TB.
In the following description, the same reference numerals as those of the speaker 51 are given to portions of the speaker 52 that are common to the speaker 51.

FIG. 7 is a rear view of the speaker 52. FIG. 7 can be compared with FIG.
The screw mounting portion TB2 is located on the same circumference Cb as the mounting portion TB at a position shifted by a predetermined angle θ in the clockwise direction or the counterclockwise direction around the center position Ctb with respect to each of the plurality of mounting portions TB. Is provided.

The angle θ is set in the counterclockwise direction in the example shown in FIG.
The value of the angle θ can be freely set between 0 ° and 90 ° as long as the screw attachment portion TB2 does not interfere with the attachment portion TB.

Details of the screw attachment portion TB2 will be described with reference to FIGS.
FIG. 8 is a cross-sectional view at the position S8-S8 in FIG.
FIG. 9 is a view for explaining the relationship between the screw attachment portion TB2 and the locking member 3 shown in FIG.

The screw attachment portion TB2 includes a pocket portion 11 that opens to the front surface 1a1 of the flange portion 1a, and a protruding portion 12 that protrudes to the back side corresponding to the pocket portion 11.
Specifically, the pocket portion 11 is formed as a bottomed hole that is bent from the front surface 1a1 of the flange portion 1a toward the back side and has a bottom surface portion 11a. The pocket portion 11 is, for example, a round hole as in this example.
The protruding portion 12 is formed with a through hole 12 a centering on the central axis CL <b> 2 of the pocket portion 11.
A chamfered portion 11 b is formed at the edge of the opening portion of the pocket portion 11.

The size and shape of the pocket portion 11 are set based on the shape of the base portion 3a of the locking member.
Specifically, the depth Lc of the pocket portion 11 is formed to be equal to or greater than the thickness of the base portion 3 a in the locking member 3. As described above, in this example, the thickness of the base portion 3a is the same as the thickness of the flange portion 1a. Accordingly, the depth Lc is set to be equal to or greater than the thickness t61 of the flange portion 1a.
The diameter (inner diameter) De of the pocket portion 11 is not less than the diameter (inner diameter) Da1 of the through hole 2 formed in the flange portion 1a. This is because the base portion 3 a including the remaining cutting portion 4 a of the connecting portion 4 is accommodated in the pocket portion 11.
The protruding portion 12 is provided so as to ensure a thickness necessary for forming the pocket portion 11.

With these settings, the screw attachment portion TB2 can accommodate the base portion 3a of the locking member 3 in the pocket portion 11, as shown in FIG.
In the state where the base 3a is stored in the pocket portion 11 and the base portion 3a and the bottom surface portion 11a of the pocket portion 11 are in contact with each other, the positive side end surface 3a1 of the base portion 3a is the same or the same side as the positive surface 1a1 of the flange portion 1a. To protrude.

Moreover, the internal diameter of the through-hole 12a of the protrusion part 12 is sufficiently larger than the internal diameter of the hole 3f of the base part 3a.
Specifically, even if the accommodation position of the base portion 3a in the pocket portion 11 is shifted according to the length of the remaining cutting portion 4a, the entire hole 3f can be seen from the through hole 12a.

With the above configuration, the speaker 52 can be attached to and separated from the vehicle frame 61 that is a member to be attached in the same manner as the speaker 51.
Furthermore, since the speaker 52 has the screw attachment portion TB2, the separated portion can be reattached to the vehicle frame 61 with screws.
This attachment, separation, and reattachment will be described with reference to FIGS.

FIG. 10 is a side view for explaining the operation of attaching the speaker 52 to the vehicle frame 61. 10, the vehicle frame 61 is shown in a cross-sectional view at the position S10-S10 in FIG.
The initial attachment work of the speaker 52 to the vehicle frame 61 is the same as that of the speaker 51.

That is, first, as shown in FIG. 10, the attachment portion TB is pushed into the attachment hole 61b of the vehicle frame 61 (see arrow DRd).
Thereafter, as described above, the connecting portion 4 is cut, the locking member 3 is left on the vehicle frame 61, and a portion excluding the locking member 3 of the speaker 52 (hereinafter referred to as a locking member-less speaker 52A) Separate from the vehicle frame 61.

FIG. 11 is a rear view showing a state where the speaker 52 is separated from the vehicle frame 61 as a locking member-less speaker 52A.
In the vehicle frame 61, the locking members 3 locked in the mounting holes 61b are left.

To reattach the locking member-less speaker 52A to the vehicle frame 61, the locking member-less speaker 52A is rotated around the center position Ctb by an angle θ in the clockwise direction in FIG. It is set as the attitude | position which the screw attachment part TB2 respond | corresponds with respect to the latching member 3 left.
Next, the locking member-less speaker 52A is directed to the vehicle frame 61 so that the locking member 3 enters the pocket portion 11 of the screw mounting portion TB2.
Since the chamfered portion 11 b is formed in the pocket portion 11, the locking member 3 can be easily entered.

Then, as shown in FIG. 12, the tapping screw N is screwed through the through hole 12a of the protruding portion 12 of the screw mounting portion TB2 into the hole 3f of the locking member 3 that has entered and received the pocket portion 11. Let
Thus, the flange portion 1a is fastened and fixed to the locking member 3 locked to the vehicle frame 61, so that the speaker 52 can be reattached to the vehicle frame 61 as the locking member-less speaker 52A.

The speaker 52 of the second embodiment can also be attached to the attached member (the vehicle frame 61) without using a dedicated attachment or using a screw component such as a tapping screw. Moreover, the attachment work is also only pushed in by matching the posture of the speaker 52.
That is, the speaker 52 can be attached to the attached member with a small number of parts and a small number of operations.
Furthermore, although the speaker 52 uses a tapping screw, it can be reattached after separation without using a dedicated fixture, and is excellent in maintainability.

  The embodiments of the present invention are not limited to the above-described configuration, and modifications may be made without departing from the spirit of the present invention.

The base 3a of the locking member 3 is not limited to the one formed in a columnar shape, and may be formed in a free shape.
As long as the speaker 51 performs attachment to the attached member (vehicle frame 61) and separation after attachment, the screw hole 3f of the locking member 3 may not be provided.
The speakers 51 and 52 are formed of a metal frame 1 including the flange portion 1a. The speaker 51 includes the vicinity including the mounting portion TB, and the speaker 52 includes the mounting portion TB and the vicinity including the screw mounting portion TB2. It is good also as a structure formed as a resin component and attached to the flange part 1a.
The flange part 1a may not be annular. For example, it may be elliptical or rectangular.

  The locking portion 3b of the locking member 3 is not limited to the one on which the circumferential rib 3d is formed. Corresponding to the thickness of the mounted member (vehicle frame 61), for example, a locking claw 3Ac that is hooked on the front surface of the mounted member is formed like the locking member 3A shown in FIG. It may have part 3Ab.

DESCRIPTION OF SYMBOLS 1 Frame 1a Flange part, 1a1 surface, 1b Cover 1c Connection part, 1c1 Opening part 2 Through-hole, 2a Inner peripheral surface 3 Locking member 3a Base part, 3a1 Positive side end surface, 3a2 Back side end surface 3b, 3Ab Locking part, 3Ac Locking claw, 3d circumferential rib 3e uneven part, 3f hole, 3s slit 4 connecting part, 4a cutting remaining part 11 pocket part, 11a bottom face part, 11b chamfered part 12 projecting part, 12a through hole 51, 52 speaker, 51A, 52A Stop member-less speaker 61 Vehicle frame (attached member), 61a Sound emitting hole, 61b Mounting hole Ca, Cb Circumference CL1, CL2 Center axis, Cta, Ctb Center position ds, d4 Width, Da, Da1, Db, Dc, Dd, De Diameter La, Lc Depth, Lb distance, L4 thickness Mg Magnet N Tapping screw Pta, Ptb Angular pitch S Vibration plate TB mounting part, TB2 Screw mounting part t61 Thickness θ Angle

Claims (6)

A flange,
A through hole formed in the flange portion;
A locking member disposed in the through hole and having a locking portion that protrudes from the flange portion and can be locked to a mounting hole of a predetermined size;
A connecting portion that connects the inner surface of the through hole and the locking member and can be cut by a hand tool;
Speaker equipped with. A flange,
A through hole formed in the flange portion;
A base having a first hole disposed in the through hole and extending in the same direction as the through hole, and a locking portion connected to the base and protruding from the flange to be locked in a mounting hole of a predetermined size A locking member having
A connecting portion that connects the inner surface of the through hole and the base portion and can be cut by a hand tool;
A bottomed pocket portion formed in the flange portion and capable of accommodating the base portion separated by cutting the connecting portion;
A second hole facing the first hole of the base formed in the bottom of the pocket and housed in the pocket;
Speaker equipped with. A speaker mounting structure for mounting a speaker to a mounted member,
The speaker is
A flange,
A through hole formed in the flange portion;
A locking member disposed in the through hole and having a locking portion that protrudes from the flange portion and can be locked to a mounting hole of a predetermined size;
A connecting portion that connects the inner surface of the through-hole and the locking member and can be cut by a hand tool,
The attached member has the attachment hole of the predetermined dimension,
A speaker mounting structure, wherein the speaker can be mounted on the mounted member by locking the locking member of the speaker in the mounting hole of the mounted member. A speaker mounting structure for mounting a speaker to a mounted member,
The speaker is
A flange,
A through hole formed in the flange portion;
A base having a first hole disposed in the through hole and extending in the same direction as the through hole, and a locking portion connected to the base and protruding from the flange to be locked in a mounting hole of a predetermined size A locking member having
A connecting portion that connects the inner surface of the through hole and the base portion and can be cut by a hand tool;
A bottomed pocket portion formed in the flange portion and capable of accommodating the base portion separated by cutting the connecting portion;
A second hole facing the first hole of the base formed in the bottom of the pocket and housed in the pocket;
With
The attached member has the attachment hole of the predetermined dimension,
A speaker mounting structure, wherein the speaker can be mounted on the mounted member by locking the locking member of the speaker in the mounting hole of the mounted member.   The part other than the locking member in the speaker attached to the attached member can be detached from the attached member by cutting the connecting portion. Speaker mounting structure.   A locking member-less speaker, which is a portion other than the locking member in the speaker, which is locked to the mounting member by locking the locking member in the mounting hole, cuts the connecting portion and the mounted member. The locking member-less speaker removed and removed from the base is accommodated in the pocket portion with the base portion of the locking member locked in the mounting hole, and a screw is passed through the second hole in the bottom portion. 5. The speaker mounting structure according to claim 4, wherein the locking member-less speaker can be attached to the attached member by being screwed into the first hole.

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