JP2002142284A - Speaker unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a speaker unit which is inexpensive and has high performance by mounting network components or the like on the speaker unit. SOLUTION: The network components for controlling signal components fed to the speaker unit such as a coil, a capacitor and a resistor and the like are mounted on the inside or outside of a speaker frame, and a protective cover is provided as needed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for mounting a network electronic component for controlling a signal component supplied to a speaker unit.

[0002]

2. Description of the Related Art A conventional speaker unit will be described with reference to FIG.

FIG. 21 is a front view showing a schematic configuration of a conventional speaker unit.

[0004] Reference numeral 100 denotes a speaker unit used for audio equipment of electronic equipment mounted on an automobile or the like. A relay unit 103 is provided at a predetermined position of a speaker frame 102. The relay unit 103 includes a tinsel wire connected to a voice coil and a network electronic component 101 (an electronic component for controlling a signal component supplied to the speaker unit, such as a coil, a capacitor, Circuit components including resistors, etc.) are connected by an extension cord 104 for connection.

[0005]

However, in the above-mentioned speaker unit 100, it is necessary to secure a mounting place because the network electronic component 101 is provided in a separate place apart from the speaker unit 100, and it is difficult to mount the speaker in some cases. May be. Also, the speaker unit 100
Extension cord 10 between the
4, the number of contact points increases and the extension cord 104
As a result, electrical transmission loss occurs, which leads to performance degradation.

Further, when the network electronic component 101 is provided at a place away from the speaker unit 100,
Since the possibility that the network electronic component is directly subjected to external stress increases, an independent protective case or the like is required, which may lead to an increase in cost.

[0007] The present invention solves the above-described problems, and comprises a network unit and the like in a speaker unit.
An object is to provide an inexpensive and high-performance speaker unit.

[0008]

According to the present invention, there is provided the above-mentioned object, wherein a network electronic component for controlling a signal component supplied to a speaker unit is provided on a speaker frame. is there.

[0009] Further, the network electronic component is fixed to the speaker frame by an adhesive or a double-sided adhesive tape.

The network electronic component is provided with a hole, and the network electronic component is fixed to the speaker frame with a screw using the hole.

Further, the screw is formed of a non-magnetic member.

Further, the network electronic component is fixed to the speaker frame by a band clamper including a band for holding the network electronic component and a clamp for fixing the band at a desired position. It is a feature.

[0013] Further, the network electronic component is covered with a protective cover.

The protective cover includes a cover portion having a wall standing upright in a direction substantially perpendicular to the outer periphery of the ceiling portion to cover the network electronic component, and an edge portion extending outward from an opening of the cover portion. And characterized by the following.

Further, the protective cover is fixed to the speaker frame by an adhesive or a double-sided adhesive tape.

Further, the protective cover is fixed to the speaker frame by screws.

Further, on the inner surface of the ceiling of the protective cover,
The network electronic component is fixed.

Further, a screw hole for attaching the protective cover is formed in the speaker frame, and a hole for inserting a screw screwed into the screw hole is formed in a ceiling portion of the protective cover. The protective cover is screwed to the speaker frame by a screw passing through the hole.

[0019] The protective cover may include a cover that has a wall standing upright in a direction substantially perpendicular to the outer periphery of the ceiling and covers the network electronic component, and an edge extending outward from an opening of the cover. A hole formed in the edge portion for attaching to the speaker frame, and extending in the same direction as the wall portion from an opening end of the wall portion, and the end portion is engaged with an inner surface of the speaker frame. The speaker frame is formed with a screw hole for attaching the protective cover and a locking hole with which the locking portion is engaged. After being inserted into the locking hole, a screw is inserted into the hole and screwed and fixed to the screw hole.

Further, a screw is fixed to the speaker frame so as to stand in an outward direction, and the network electronic component or the protective cover is inserted through the screw and fixed by a nut. Things.

Further, a weld bolt is used for the screw, and the screw is fixed by electric resistance welding.

Further, a hole through which a screw is inserted is formed in the speaker frame, and a hole through which the screw is inserted is formed in a ceiling portion of the protective cover, so that the network electronic component or the protective cover is formed. The speaker frame is fixed by screws and nuts.

In the speaker frame, a holding portion for holding the network electronic component may be formed to protrude outward from the speaker frame, and the network electronic component may be provided inside the holding portion. It is a feature.

The protective cover has a wall standing upright in a direction substantially perpendicular to the outer periphery of the ceiling to cover the network electronic component, and a cover extending from an opening end of the wall and extending from a predetermined position. A plurality of locking portions which are folded back so that the ends thereof are locked to the inner surface of the speaker frame, and wherein the speaker frame has a locking hole for engaging with each of the locking portions. Are formed.

Further, the invention is characterized in that a network electronic component unit for controlling a signal component supplied to the speaker unit is provided inside the speaker frame.

Further, the speaker frame is provided with an insertion / ejection opening for attaching / detaching the network electronic component unit, and a connector for connection with the network electronic component unit behind the insertion / ejection opening. The network electronic component unit is provided with a connector for speaker-side output connected to the connector, a connector for connecting an external signal line, and a connector for connecting an external signal line. It is.

Further, the signal line connection connector comprises an input connector and an output connector, and the input connector and the output connector are provided side by side near the insertion / ejection port. Is what you do.

[0028]

FIG. 1 shows a first embodiment of the present invention.
This will be described with reference to FIGS.

FIG. 1 is a diagram showing a schematic configuration of a speaker unit according to a first embodiment of the present invention.
(B) AA sectional drawing, (c) It is an enlarged view of a coil attachment part.

Reference numeral 10 denotes a speaker unit used for a voice device of an electronic device mounted on an automobile or the like, and includes a speaker frame 20, a vibration unit, a magnetic circuit unit, and the like.

The speaker frame 20 is a member for holding a vibrating portion, a magnetic circuit portion, and the like, and has a shape close to a truncated cone, and a supply signal to the speaker unit 10 is provided on an outer peripheral surface of a body portion of the speaker frame 20. Network electronic components that control the components (eg, coils, capacitors,
Circuit components made of a resistor or the like, and in this example, a case where the coil 12 is used) are disposed at predetermined positions. Since the coil 12 is covered with the protective cover 23 to protect the coil 12 from being damaged by external stress (shock) or the like, the speaker frame 20 is covered with the protective cover 23.
A screw hole 21 is formed for attaching the screw.

Also, holes and the like for adjusting the back pressure generated by the vibration of the diaphragm 13 are formed in necessary places at necessary places. A vibrating section is held inside the speaker frame 20, and a magnetic circuit section is fixed to a rear end of the speaker frame 20. A plated steel plate, a resin member, or the like is used as the material of the speaker frame 20. The plated steel plate is formed by press working, and the resin member is formed by resin molding.

The protective cover 23 has side walls erected substantially vertically from both side surfaces of the ceiling portion 24, and a mounting portion 25 is formed outside the opening of the side wall. The attachment portion 25 has an attachment hole 26 for attachment to the speaker frame 20. A metal plate or a resin member is used as a material of the protective cover 23. In the case of a metal plate, it is formed by pressing, and in the case of a resin member, it is formed by resin molding. Although the side walls of the protective cover 23 of this embodiment are provided in two directions, the side walls may be provided in three directions or may be formed in four directions so as to surround the entire surface of the coil 12.

The vibrating part includes the diaphragm 13, the voice coil 1
4, an edge 15, a damper 16, and the like.

The diaphragm 13 radiates a vibration converted from a mechanical vibration from an electric input signal inputted to the voice coil 14 as a sound corresponding to the input signal, and has a truncated cone shape. Pulp or resin is used. The center of the diaphragm 13 is adhesively fixed to the upper end of the cylinder of the voice coil bobbin, the outer peripheral part is adhesively fixed to the inner peripheral part of the edge 15, and the outer peripheral part of the edge 15 is adhesively fixed to the opening surface of the speaker frame 20. Have been. Further, the diaphragm 13
The outer periphery of the voice coil bobbin to which is fixed is adhered and fixed to the inner periphery of the damper 16, and the outer periphery of the damper 16 is adhered and fixed to the adhesion surface of the speaker frame 20. Therefore, the diaphragm 13 is held by the speaker frame 20 in a suspended state by the edge 15 and the damper 16.

The damper 16 is a support member for supporting the diaphragm 13 so that the diaphragm 13 moves following the vibration of the voice coil bobbin. The damper 16 has an annular shape and has a wavy cross section. As the material, a resin or a mixed spin is used.

The edge 15 is a support member for the diaphragm 13 and has a thin annular shape, and is formed by molding using a urethane material or the like.

The magnetic circuit section includes the yoke 17 and the magnet 1
8 and a top plate 19.

Next, mounting of the coil and the protective cover will be described.

First, one surface of the coil 12 is adhesively fixed inside the ceiling portion 24 of the protective cover 23 with an adhesive or a double-sided adhesive tape. Next, the mounting hole 26 of the protective cover 23 to which the coil 12 is fixed and the speaker frame 20
And is fixed with screws 27.
When a tapping screw is used as the screw 27, the screw hole 21 of the speaker frame 20 need not be threaded.

Alternatively, the coil 12 is connected to the speaker frame 2
No. 0 is adhered and fixed to a predetermined position of the body with an adhesive or a double-sided adhesive tape. Next, the bonded coil 12
The mounting hole 26 of the protective cover 23 and the screw hole 21 of the speaker frame 20 are aligned with each other so as to cover the speaker frame 20 and are fixed with screws 27.

As described above, according to the speaker unit 10 according to the first embodiment of the present invention, the connection cord is shortened by attaching the coil 12 of the network electronic component to the speaker frame 20, and the contact point is reduced. As a result, the electrical transmission loss is reduced, so that the performance degradation of the speaker unit 10 can be prevented.

Since the protective cover 23 is provided so as to cover the coil 12, it is possible to prevent the coil 12 from being directly applied with an external stress (shock) and damaged.

In this embodiment, the protective cover 23 is fixed to the speaker frame 20 by screws. Other fixing methods will be described with reference to FIGS. 2, 3, 4, and 5. FIG.

First, the first fixing method will be described with reference to FIG. FIG. 2 is a sectional view showing a first method of fixing the coil and the protective cover according to the first embodiment.

First, one surface of the coil 12 is bonded and fixed to the inside of the ceiling portion 24 of the protective cover 23 with an adhesive or a double-sided adhesive tape. Next, the mounting portion 25 of the protective cover 23 to which the coil 12 is fixed is attached to the speaker frame 2.
No. 0 is adhered and fixed to a predetermined position of the body with an adhesive or a double-sided adhesive tape. In this case, the screw holes 21 of the speaker frame 20 and the mounting holes 26 of the protective cover 23 are not required, and the screws 27 for mounting the protective cover 23 become unnecessary, leading to cost reduction.

Next, a second fixing method will be described with reference to FIG. FIG. 3 is a cross-sectional view illustrating a second fixing method of the coil according to the first embodiment.

One surface of the coil 12 is directly attached to a predetermined position of the speaker frame 20 with an adhesive or a double-sided adhesive tape. Note that the protective cover 23 can be omitted depending on the handling and use conditions of the speaker unit 10.

Next, a third fixing method will be described with reference to FIG. FIG. 4 is a sectional view showing a third method of fixing the coil and the protective cover according to the first embodiment.

A screw hole 28 is formed at a predetermined position of the speaker frame 20a, and an insertion hole 31 for a screw 32 is formed substantially at the center of the ceiling 30 of the protective cover 29.
The coil 12 is bonded to the inside of the ceiling portion 30 with an adhesive or a double-sided adhesive tape. Then, the insertion hole 31 of the protection cover 29 to which the coil 12 is bonded is aligned with the screw hole 28 of the speaker frame 20a, and the screw 32 is screwed into the mounting portion 25 of the protection cover 29 to the speaker frame 20a until it is pressed against the outer periphery. Fix it.

Next, a fourth fixing method will be described with reference to FIG. FIG. 5 is a sectional view showing a fourth method of fixing the coil according to the first embodiment.

A screw 32 is inserted through a hole in the center of the coil 12 to form a screw hole 28 formed in the speaker frame 20a.
Then, the screw 32 is screwed and the coil 12 is directly attached to the outer peripheral portion of the speaker frame 20a. The speaker unit 1
The protection cover 29 can be omitted depending on the handling of the O. 0 and the use conditions.

Next, a second embodiment of the present invention will be described with reference to FIG.

FIG. 6 is a sectional view showing a coil mounting portion of the speaker unit according to the second embodiment of the present invention.
In the second embodiment, a part of the first embodiment is modified. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Therefore, the following description focuses on the changed parts.

Reference numeral 20b denotes a speaker frame. On the body of the speaker frame 20b, a screw hole 33 for attaching the protective cover 35 of the coil 12 of the network electronic component and an engaging member for engaging the engaging claw 39 of the protective cover 35. A stop hole 34 is formed.

The protective cover 35 has a side wall erected substantially vertically from both side surfaces of the ceiling portion 36, and a mounting portion 37 is formed outward from an opening of one of the side walls. Mounting hole 3 for mounting to frame 20b
8 are formed. A locking claw 39 that is inserted into the locking hole 34 of the speaker frame 20b and locked to the inner surface of the speaker frame 20b is formed in the opening of the other side wall.

Next, mounting of the coil and the protective cover will be described.

First, the coil 12 is bonded and fixed to the inside of the ceiling of the protective cover 35 with an adhesive or a double-sided adhesive tape. Next, the protection cover 35 to which the coil 12 is fixed is tilted obliquely and inserted into the locking hole 34 of the speaker frame 20b from the tip of the locking claw 39, and the protection cover 35 is turned back to its original state. The mounting hole 37 of the mounting portion 37
And the screw holes 33 of the speaker frame 20b are aligned with each other, and fixed by screws 27.

Alternatively, the coil 12 is connected to the speaker frame 2
0b is fixedly adhered to a predetermined position of the body with an adhesive or a double-sided adhesive tape. Next, the protection cover 35 is tilted obliquely and inserted into the locking hole 34 of the speaker frame 20b from the tip of the locking claw 39, and the protection cover 35 is rotated so as to cover the bonded coil 12. The mounting hole 38 of the mounting portion 37 and the screw hole 33 of the speaker frame 20b are aligned with each other, and fixed by screws 27.

As described above, according to the speaker unit 10 according to the second embodiment of the present invention, since the locking claws 39 are formed on the protective cover 35 that covers the coil 12 of the network electronic component, When mounting on the frame 20b, the locking claws 39 of the protective cover 35 are locked in the locking holes 34 and only the other is screwed, so that the mounting is easy, and the number of screwed portions is reduced, thereby reducing the cost. Can be achieved. In addition, the same effects as in the first embodiment of the present invention can be obtained.

Next, a third embodiment of the present invention will be described with reference to FIGS.

FIG. 7 is a sectional view showing a coil mounting portion of a speaker unit according to a third embodiment of the present invention. FIG. 8 is a cross-sectional view showing another method of fixing the coil according to the third embodiment. In the third embodiment, a part of the first embodiment is modified. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. Therefore, the following description focuses on the changed parts.

Reference numeral 20c denotes a speaker frame. On the body of the speaker frame 20c, a long hole 41 for mounting the protection cover 42 of the coil 12 of the network electronic component is located at substantially the same width as the width of the protection cover 42 (both sides of the coil 12). ) Are formed at two places.

The protective cover 42 has a side wall standing substantially vertically from both side surfaces of the ceiling 43, and a mounting portion 44 formed outside the opening of the side wall.

Next, mounting of the coil and the protective cover will be described.

First, the coil 12 is adhesively fixed inside the ceiling 43 of the protective cover 42 with an adhesive or a double-sided adhesive tape. Next, the tightening portion of the resin band clamper 45 is passed through the one long hole 41 of the speaker frame 20c from the protective cover 42 side, and is further taken out through the other long hole 41 to the protective cover 42 side. Next, the protection cover 42 to which the coil 12 is fixed is disposed at a predetermined position of the speaker frame 20c, and the fastening portion of the band clamper 45 is turned around the outer periphery of the ceiling of the protection cover 42, and the tip of the fastening portion is Through the clamp hole of the band clamper 45, and
2 until it is pressed against the surface of the body of the speaker frame 20c. Then, unnecessary portions coming out of the clamp holes are cut.

Alternatively, the coil 12 is connected to the speaker frame 2
At a predetermined position 0c, an adhesive or a double-sided adhesive tape is used. Next, the tightening portion of the band clamper 45 is passed through the one long hole 41 of the speaker frame 20c from the protective cover 42 side, and is further taken out through the other long hole 41 to the protective cover 42 side. Next, the protective cover 42 is covered so as to cover the coil 12. Then, the fastening portion of the band clamper 45 is turned around the outer periphery of the ceiling portion 43 of the protection cover 42, and the tip portion is inserted into the clamp hole of the band clamper 45, and the protection cover 42 is pressed against the surface of the body of the speaker frame 20c. Until it is fixed. Then, unnecessary portions coming out of the clamp holes are cut.

As described above, according to the speaker unit 10 according to the third embodiment of the present invention, the protective cover 42 covering the coil 12 of the network electronic component is fixed by the band clamper 45, so that the mounting is easy. In addition, the mounting position of the coil 12 can be easily changed. In addition, the same effects as in the first embodiment of the present invention can be obtained.

As shown in FIG. 8, the coil 12 can be directly attached to a predetermined position of the speaker frame 20c by the band clamper 45. The protection cover 42 can be omitted depending on the handling and use conditions of the speaker unit 10.

Next, a fourth embodiment of the present invention will be described with reference to FIGS.

FIG. 9 is a sectional view showing a coil mounting portion of a speaker unit according to a fourth embodiment of the present invention.
In the fourth embodiment, a part of the first embodiment is changed. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Therefore, the following description focuses on the changed parts.

Reference numeral 20d denotes a speaker frame. At predetermined positions of the body of the speaker frame 20d, a coil 12 of a network electronic component and a weld bolt 46 for attaching a protective cover 48 (for example, a non-magnetic stainless steel bolt) ) Are erected toward the outside of the body by electric resistance welding. In addition, the size of the weld bolt 46 is a bolt having a size to be inserted into a hole diameter formed in the center of the coil 12.

The protective cover 48 has a side wall erected substantially vertically from both side surfaces of the ceiling 49, and a mounting portion 50 is formed outside the opening of the side wall. Further, a circular hole 51 having a size through which the weld bolt 46 is inserted is formed in the ceiling portion 49.

Next, mounting of the coil and the protective cover will be described.

First, the circular hole 51 of the protective cover 48 and the hole formed at the center of the coil 12 are aligned with the inside of the ceiling 49 of the protective cover 48, and are adhered and fixed with an adhesive or a double-sided adhesive tape. Next, the circular hole 51 of the protective cover 48 to which the coil 12 is adhered is inserted into the speaker frame 20d.
Through a weld bolt 46 and tightened and fixed with a nut 47.

As described above, according to the speaker unit 10 according to the fourth embodiment of the present invention, the protection cover 48 and the network electronic components are formed by erecting the weld bolt 46 integrally with the speaker frame 20d. The coil 12 can be easily mounted, and can be securely fixed. In addition, the same effects as in the first embodiment of the present invention can be obtained.

In this embodiment, the coil 12 and the protective cover 48 are connected to the weld bolt 4 of the speaker frame 20d.
6 was fastened and fixed with a penetration nut 47. Other fixing methods will be described with reference to FIGS. 10, 11 and 12. FIG.

First, the first fixing method will be described with reference to FIG. FIG. 10 is a cross-sectional view showing a first method for fixing the coil and the protective cover according to the fourth embodiment.

As shown in FIG. 10, a hole formed in the center of the coil 12 is inserted into a weld bolt 46 and a nut 47 is inserted.
To directly attach to the speaker frame 20d. Depending on the handling and use conditions of the speaker unit 10, the protection cover 4
8 can be deleted.

Next, a second fixing method will be described with reference to FIG. FIG. 11 is a cross-sectional view showing a second method of fixing the coil and the protective cover according to the fourth embodiment.

As shown in FIG. 11, a mounting hole 52 is formed at a position corresponding to the standing position of the weld bolt 46 in FIG.
The screw 53 is inserted so that the circular hole 51 of the protective cover 48 to which 2 is adhered matches the mounting hole 52 of the speaker frame 20d. Then, the nut 47 is screwed in and the protective cover 48 is crimped and fixed to the speaker frame 20d. In addition, screw 5
By forming 3 from a non-magnetic member, the influence on the coil 12 can be prevented.

Next, a third fixing method will be described with reference to FIG. FIG. 12 shows a third example of the coil according to the fourth embodiment.
FIG. 4 is a cross-sectional view showing a fixing method of the embodiment.

As shown in FIG. 12, the coil 12 alone is separated from the speaker frame 20 d by a separate screw 53 and nut 47.
To secure. By using a non-magnetic screw, the effect on the coil 12 can be prevented.

Next, a fifth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIGS.

FIGS. 13A and 13B are views showing a coil mounting portion of a speaker unit according to a fifth embodiment of the present invention, wherein FIG. 13A is a front sectional view, and FIG. 13B is an enlarged view of the coil mounting portion. In the fifth embodiment, a part of the first embodiment is modified. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Therefore, the following description focuses on the changed parts.

Reference numeral 20e denotes a speaker frame. At a predetermined position on the body of the speaker frame 20e, a holding portion 54 for holding the coil 12 of the network electronic component protrudes outward from the body of the speaker frame 20e. It is formed integrally with the part. It is desirable that the holding portion 54 (protruding portion) be provided with an opening in at least a part of the side wall (all of the surfaces having the side wall may be opened) so that the wiring can pass therethrough. A plated steel plate, a resin member, or the like is used as a material of the speaker frame 20e. In the case of a plated steel plate, the holding portion 54 is formed integrally with the body by pressing, and in the case of a resin member, the holding portion 54 is formed integrally with the body by resin molding or the like.

In order to fix the coil 12 to the holding portion 54, one surface of the coil 12 is bonded and fixed to the inside of the projecting surface 55 of the holding portion 54 of the speaker frame 20e with an adhesive or a double-sided adhesive tape.

As described above, according to the speaker unit 10 according to the fifth embodiment of the present invention, the coil 1 is formed so as to protrude outward from the inside of the speaker frame 20e.
2 are integrally formed, and the speaker frame 20 is formed.
By holding the coil 12 inside e, it is possible to prevent an external stress (shock) from being directly applied to the coil 12 to damage the coil 12. In addition, the same effects as in the first embodiment of the present invention can be obtained.

In this embodiment, the coil 12 is bonded and fixed to the inside of the protruding surface 55 of the holding portion 54, but another fixing method will be described with reference to FIGS.

First, the first fixing method will be described with reference to FIG. FIG. 14 shows a first example of the coil according to the fifth embodiment.
FIG. 4 is a cross-sectional view showing a fixing method of the first embodiment.

As shown in FIG.
e, the coil 12 is disposed substantially at the center of the protruding surface 55 of the holding portion 54.
A screw hole 56 is formed to be screwed into the screw 32 inserted into the hole formed at the center of the coil 12.
As a result, it is screwed and fixed inside the protruding surface 55. When a tapping screw is used, the threading of the screw hole can be omitted.

Next, a second fixing method will be described with reference to FIG. FIG. 15 shows a second example of the coil according to the fifth embodiment.
FIG. 4 is a cross-sectional view showing a fixing method of the first embodiment.

[0093] As shown in FIG.
e, the coil 12 is disposed substantially at the center of the protruding surface 55 of the holding portion 54.
A circular hole 57 into which a screw 53 inserted through a hole formed at the center of the coil 12 is inserted, and the coil 12 is screwed and fixed inside the protruding surface 55 by a screw 53 and a nut 47 of a non-magnetic material.

Next, a third fixing method will be described with reference to FIG. FIG. 16 shows a third example of the coil according to the fifth embodiment.
FIG. 4 is a cross-sectional view showing a fixing method of the first embodiment.

As shown in FIG.
e, the coil 12 is disposed substantially at the center of the protruding surface 55 of the holding portion 54.
A non-magnetic (stainless) weld bolt 46 inserted through a hole formed in the center of the body is erected toward the inside of the body by electric resistance welding, and the coil 12 is inserted through the erected weld bolt 46. , Nut 47 and projecting surface 5
Tighten and fix inside 5.

Next, a fourth fixing method will be described with reference to FIG. FIG. 17 shows a fourth embodiment of the coil according to the fifth embodiment.
FIG. 4 is a cross-sectional view showing a fixing method of the first embodiment.

As shown in FIG.
e, two long holes 58 are formed in the vicinity of the center of the protruding surface 55 of the holding portion 54 at intervals slightly wider than the width of the coil 12, and the tightening portion of the band clamper 45 is moved from the inside of the holding portion 54 to one side. Through the long hole 58, and further through the other long hole 58 to take out the inside. Then, the coil 12 is disposed inside the protruding surface 55, and the tip of the tightening portion is inserted into the clamp hole of the band clamper 45 on the disposed coil 12, and the coil 12 is crimped inside the protruding surface 55. Until it is fixed. Then, unnecessary portions coming out of the clamp holes are cut.

Alternatively, the band clamper 45 is
Through the long hole 58, turn the outside of the coil 12 disposed inside the protruding surface 54, pass through the other long hole 58, take out the outside of the protruding surface 54, and attach the tip of the fastening portion to the band. It is inserted through the clamp hole of the clamper 45, and is squeezed and fixed until the coil 12 is pressed inside the protruding surface 55. Then, unnecessary portions coming out of the clamp holes are cut.

Next, a sixth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

FIGS. 18A and 18B are views showing a coil mounting portion of the speaker unit according to the sixth embodiment of the present invention, wherein FIG. 18A is a front sectional view, and FIG. In the sixth embodiment, a part of the first embodiment is modified. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. Therefore, the following description focuses on the changed parts.

Reference numeral 20f denotes a speaker frame. A locking hole 60 for attaching a protective cover 61 for the coil 12 of the network electronic component is provided in the body of the speaker frame 20f.
Are formed at predetermined positions at intervals of substantially the same size as the size between the side walls on both sides of the ceiling portion 62 of the protective cover 61.

The protective cover 61 has a side wall erected vertically from both side surfaces of the ceiling portion 62, and the side wall is formed to be inclined so as to open in the opening direction. Also, the opening end face 6 of the side wall
5, an inverted V-shaped locking claw 63 is formed by folding back from a predetermined position (outward from the side wall and inclined toward the ceiling 62). Note that the dimension L from the inner side surface of the side wall to the distal end surface 64 of the locking claw 63 is slightly larger than the width W of the locking hole 60, and the distal end surface 64 of the locking claw 63 is When inserted into the locking hole 60, the speaker frame 20f is formed to have a size such that it is pressed and locked to the inner surface of the speaker frame 20f.

Next, mounting of the coil and the protective cover will be described.

First, the coil 12 is bonded and fixed to the inside of the ceiling of the protective cover 61 with an adhesive or a double-sided adhesive tape. Next, the locking claw 63 is pushed into the locking hole 60 of the speaker frame 20f while pressing the opening of the protective cover 61 to which the coil 12 is fixed inward. When the distal end surface 64 of the locking claw 63 passes through the locking hole 60, the side wall returns to the original state by the elastic force of the side wall. Then, the distal end surface 64 of the locking claw 63 is locked to the inner surface near the locking hole 60, and the coil 1
2 is secured to the speaker frame 20.
fixed to f.

Alternatively, the coil 12 is connected to the speaker frame 2
At a predetermined position of 0f, an adhesive or a double-sided adhesive tape is used. Next, the protective cover 61 may be inserted into a predetermined position of the speaker frame 20f in the same manner as the above-described mounting procedure.

As described above, according to the speaker unit 10 according to the sixth embodiment of the present invention, the protective cover 61 can be attached to the speaker frame 20f with one touch, so that the efficiency of the attaching work can be improved. In addition, the same effects as in the first embodiment of the present invention can be obtained.

Next, a seventh embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

FIGS. 19A and 19B are diagrams showing a mounting portion of a network electronic component unit of a speaker unit according to a seventh embodiment of the present invention, wherein FIG. 19A is a front sectional view, and FIG. FIG. 20 is a plan view showing a schematic configuration of the network electronic component unit according to the seventh embodiment. In the seventh embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will not be repeated.

Reference numeral 20g denotes a speaker frame. The body of the speaker frame 20g has an insertion / ejection port 70 for attaching / detaching the network electronic component unit 75, and a mounting portion 71 for the network electronic component unit 75 connected to the insertion / ejection port 70. Is formed, and a connector 72 for connection to the network electronic component unit 75 is provided behind the mounting portion 71.

The network electronic component unit 75 is an interface board for controlling a signal component supplied to the speaker unit 10. The network electronic component unit 75 includes a network electronic component 77 on a printed circuit board 76.
(For example, a circuit component including a coil, a resistor, and a capacitor), a connector 78 for speaker-side output, a connector 79 for connecting a signal line from outside (for example, the vehicle side), and a connector 79 for connecting an external signal line of the sub-speaker unit 85, for example. Are mounted. The connector 78 is mounted on the rear end of the printed circuit board 76, and the connectors 79 and 80 are mounted on the front end of the printed circuit board 76 on the insertion / ejection opening 70 side.

Next, attachment of the network electronic component unit will be described.

The network electronic component unit 75 is inserted through the insertion / ejection opening 70 of the speaker frame 20g from the connector 78 side, and is inserted and connected to the connector 72 provided at the back of the mounting portion 71. Next, the mounting portion 71 is screwed and fixed from below in the drawing with screws 81. The connector 79 is connected to a signal line from the vehicle (not shown).
Attach. Further, a connector 86 connected to an external signal line of the sub speaker unit 85 is mounted on the connector 80.

As described above, according to the speaker unit 10 according to the seventh embodiment of the present invention, the insertion / ejection port 70 is provided in the speaker frame 20g, and the network electronic component unit 75 can be attached and detached. As a result, it is possible to obtain desired sound quality and performance from a speaker unit having the same configuration by replacing the network unit with another network electronic component unit having a different supply signal component.

The connector 79 for connecting external signal lines and the connector 80 for connecting external signal lines are
By arranging them in the vicinity of 0, connection with a sub-speaker unit 85 other than the speaker unit 10, for example, becomes easy. In addition, the same effects as in the first embodiment of the present invention can be obtained.

In the present embodiment, the insertion / ejection port 70 is provided in the speaker frame 20g so that the network electronic component unit can be replaced with another one. , The original network electronic component unit 75 can be fixed inside the mounting portion 71 of the speaker frame 20g.

[0116]

As described above, according to the present invention, an inexpensive and high-performance speaker unit can be provided by attaching network electronic components and the like to the frame of the speaker unit.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic configuration of a speaker unit according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating a first fixing method of the coil and the protective cover according to the first embodiment.

FIG. 3 is a cross-sectional view showing a second fixing method of the coil according to the first embodiment.

FIG. 4 is a sectional view showing a third method of fixing the coil and the protective cover according to the first embodiment.

FIG. 5 is a sectional view showing a fourth fixing method of the coil according to the first embodiment.

FIG. 6 is a cross-sectional view illustrating a coil mounting portion of a speaker unit according to a second embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a coil mounting portion of a speaker unit according to a third embodiment of the present invention.

FIG. 8 is a cross-sectional view showing another method of fixing the coil according to the third embodiment.

FIG. 9 is a cross-sectional view illustrating a coil mounting portion of a speaker unit according to a fourth embodiment of the present invention.

FIG. 10 is a cross-sectional view illustrating a first method of fixing a coil according to a fourth embodiment.

FIG. 11 is a cross-sectional view illustrating a second method for fixing a coil and a protective cover according to a fourth embodiment.

FIG. 12 is a cross-sectional view illustrating a third fixing method of the coil according to the fourth embodiment.

FIG. 13 is a diagram illustrating a coil mounting portion of a speaker unit according to a fifth embodiment of the present invention.

FIG. 14 is a cross-sectional view showing a first fixing method of the coil according to the fifth embodiment.

FIG. 15 is a cross-sectional view showing a second fixing method of the coil according to the fifth embodiment.

FIG. 16 is a cross-sectional view showing a third method of fixing the coil according to the fifth embodiment.

FIG. 17 is a sectional view showing a fourth fixing method of the coil according to the fifth embodiment.

FIG. 18 is a diagram illustrating a coil mounting portion of a speaker unit according to a sixth embodiment of the present invention.

FIG. 19 is a diagram illustrating a mounting portion of a network electronic component unit of a speaker unit according to a seventh embodiment of the present invention.

FIG. 20 is a plan view illustrating a schematic configuration of a network electronic component unit according to a seventh embodiment.

FIG. 21 is a front view showing a schematic configuration of a conventional speaker unit.

[Explanation of symbols]

10. Speaker unit 12. Coil 13. Diaphragm 14. Voice coil 15. Edge 16. Damper 17. Yoke 18. Magnet 19. Top plate 20, 20a, 20b, 20c, 20d, 20e, 20
f, 20 g speaker frame 21, 28, 32, 33, 56 screw hole 23, 29, 35, 42, 48, 61 protective cover 24, 30, 36, 43, 49, 62 ceiling 25, 37, 44, 50 mounting portion 26, 38, 52 mounting hole 27, 53, 81 screw 31 insertion hole 34, 60 locking hole 39, 63 locking claw 41 , 58, long hole 45, band clamper 46, weld bolt 47, nut 51, 57, circular hole 54, holding portion 55, projecting surface 64, tip surface 65, opening end surface 70, Insertion / ejection opening 71 Mounting part 72, 78, 79, 80, 86 Connector 75 Network electronic component unit 76 Printed circuit board 77 Network electronic component 85 Sub speaker unit

Claims (20)

[Claims] 1. A speaker unit, wherein a network electronic component for controlling a signal component supplied to the speaker unit is provided on a speaker frame. 2. The speaker unit according to claim 1, wherein the network electronic component is fixed to the speaker frame with an adhesive or a double-sided adhesive tape. 3. The speaker unit according to claim 1, wherein a hole is provided in the network electronic component, and the network electronic component is fixed to the speaker frame with a screw using the hole. . 4. The speaker unit according to claim 3, wherein the screw is formed of a non-magnetic member. 5. The method according to claim 1, wherein the network electronic component is fixed to the speaker frame by a band clamper including a band for holding the network electronic component and a clamp for fixing the band at a desired position. The speaker unit according to claim 1, wherein: 6. The speaker unit according to claim 1, wherein the network electronic component is covered with a protective cover. 7. The protective cover has a cover portion having a wall standing upright in a direction substantially perpendicular to an outer periphery of a ceiling portion to cover the network electronic component, and an edge extending outward from an opening of the cover portion. 7. The speaker unit according to claim 6, comprising: 8. The speaker unit according to claim 6, wherein the protective cover is fixed to the speaker frame with an adhesive or a double-sided adhesive tape. 9. The speaker unit according to claim 6, wherein the protection cover is fixed to the speaker frame by screws. 10. The speaker unit according to claim 7, wherein the network electronic component is fixed to an inner surface of a ceiling portion of the protective cover. 11. The speaker frame has a screw hole for attaching the protective cover, and a ceiling portion of the protective cover has a hole for inserting a screw to be screwed into the screw hole. The speaker unit according to claim 6, wherein the protective cover is screwed to the speaker frame by a screw inserted through the hole. 12. The protection cover, wherein a wall portion stands up in a direction substantially perpendicular to an outer periphery of a ceiling portion to cover the network electronic component, and an edge portion extending outward from an opening of the cover portion. A hole formed in the edge portion for attaching to the speaker frame; extending from the open end of the wall in the same direction as the wall, the end of which is engaged with the inner surface of the speaker frame. The speaker frame is formed with a screw hole for attaching the protective cover, and a locking hole with which the locking portion engages. The speaker unit according to claim 6, wherein a screw is inserted through the hole after being inserted into the locking hole, and is screwed and fixed to the screw hole. 13. The speaker frame, wherein a screw is fixed to the speaker frame so as to stand outward, and the network electronic component or the protective cover is inserted into the screw and fixed by a nut. The speaker unit according to claim 3, 10 or 11. 14. The speaker unit according to claim 14, wherein a weld bolt is used for the screw, and the screw is fixed by electric resistance welding. 15. A hole through which a screw is inserted is formed in the speaker frame, and a hole through which the screw is inserted is formed in a ceiling portion of the protective cover, wherein the network electronic component or the protective cover is formed. The speaker unit according to claim 3, wherein the speaker unit is fixed to the speaker frame with a screw and a nut. 16. The speaker frame, wherein a holding portion for holding the network electronic component is formed so as to protrude outward from the speaker frame, and the network electronic component is disposed inside the holding portion. The speaker unit according to claim 1, wherein: 17. The protective cover has a wall standing upright in a direction substantially perpendicular to the outer periphery of the ceiling to cover the network electronic component; and a cover extending from an open end of the wall and extending from a predetermined position. A plurality of locking portions formed so as to be folded back so that the ends thereof are locked to the inner surface of the speaker frame; and the speaker frame has a locking hole to be engaged with each of the locking portions. The speaker unit according to claim 6, wherein the speaker unit is formed. 18. A speaker unit, wherein a network electronic component unit for controlling a signal component supplied to the speaker unit is provided inside the speaker frame. 19. The speaker frame is provided with an insertion / ejection port for attaching / detaching the network electronic component unit, and a connector for connection with the network electronic component unit at the back of the insertion / ejection port. The network electronic component unit includes a speaker-side output connector connected to the connector, an external signal line connection connector, and an external signal line connection connector. unit. 20. The connector for signal line connection, comprising an input connector and an output connector, wherein the input connector and the output connector are provided side by side near the insertion / ejection port. 20. The speaker unit according to claim 19, wherein: