JPH09327083A - Speaker fitting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit a speaker to be easily fitted to an electronic equipment and to unnecessitate a fitting screw, etc., by inserting a projecting piece which is integratedly formed with the speaker to a land hole provided on a print substrate and soldering and fixing it. SOLUTION: The speaker 20 is fixed at the rear surface of a case 10 for the purpose of the voice output of the electronic equipment, the projecting piece 21 which is integratedly formed with the speaker 20 is inserted to the land hole 31 of the print substrate 30 and soldering and fixing is executed after that. The print substrate 30 is restrained to the substrate holding rail part 1a of the case 10 and has configuration where connection is electrically executed to the connection electrode 2d of the speaker 20 by a connector 4 and a lead line 5. A gap is held between a collar part 1b on the rear surface of the case 10 and the frame plate 2c of the speaker 20 in the position relation of the opening surface of the case 10 with the speaker 20. Thus, the speaker 20 is fixed to the print substrate 30 without being brought into contact with the case 10 itself.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker mounting device for mounting a speaker on a cabinet of electronic equipment such as a television receiver.

[0002]

2. Description of the Related Art FIG. 16 is a perspective view showing an example of a conventional speaker mounting structure. In the figure, 1 is a housing of an electronic device, 1a is a rail portion for holding a substrate, 1b is a flange portion around the opening of the housing 1, 1c is screw holes formed at four locations around the flange portion 1b. It is a boss part for. The speaker 2 fixed inside the housing 1 is composed of a coil portion 2a, a cone portion 2b, a front frame plate 2c, and a connection electrode 2d. The connection electrode 2d is soldered on the printed circuit board 3 or the like. It is connected by the attached connector 4 and the lead wire 5. Reference numeral 6 is a screw that attaches the speaker 2 to the opening of the housing 1.

As shown in FIG. 16, the speaker 2 is attached to the screw hole of the boss portion 1c of the housing 1 by being screwed with a screw 6 for the purpose of outputting sound from an electronic device. The printed circuit board 3 is inserted into the rail portion 1a of the housing 1 and fixed by being locked at a rear end surface (not shown). The printed circuit board 3 has a connector 4 and lead wires 5.
Is electrically connected to the connection electrode 2d of the speaker 2.

[0004]

In the conventional speaker mounting device, the speaker 2 must be mounted on the housing 1 by screwing or the like, and the speaker 4 and the printed circuit board 3 are electrically connected to each other by the connector 4, And lead wire 5 was required. Therefore, there is a problem that assembly workability is poor and the number of parts for electrical connection increases.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a speaker mounting device capable of easily mounting a speaker to a cabinet or the like of a television receiver. is there.

Another object of the speaker mounting apparatus of the present invention is to simplify the structure of parts, improve reliability and reduce the cost of parts.

[0007]

A speaker mounting device according to claim 1 of the present invention is a speaker mounting device for mounting a speaker in an opening of an electronic device housing, wherein a printed circuit board fixed in the housing and a speaker are mounted. An integrally formed projecting piece and a land hole provided in the printed board for inserting the projecting piece are provided, and the projecting piece is inserted into the land hole to fix the speaker on the printed board.

In the speaker mounting device according to the second aspect of the present invention, among the protrusions formed integrally with the speaker, the protrusion located on the end face of the printed circuit board is used as the locking piece formed in the housing. It is something to press.

A speaker mounting apparatus according to a third aspect of the present invention is a speaker mounting apparatus for mounting a speaker in an opening of an electronic device housing, and a printed circuit board fixed in the housing and an elastic member integrally formed with the speaker. A protrusion is provided, and the elastic protrusion is pressed by the end surface of the printed circuit board to press and fix the speaker to the opening formed in the housing.

A speaker mounting device according to a fourth aspect of the present invention further includes a positioning hole formed in the speaker and a positioning protrusion formed in the vicinity of the opening of the housing, and the positioning hole is positioned in the positioning hole. By fitting the protruding pieces, the speaker and the opening of the housing are aligned with each other.

In the speaker mounting device according to the fifth aspect of the present invention, after the elastic projection piece formed integrally with the speaker is pressed against the locking piece formed on the housing, the elastic projection piece is formed on the end surface of the printed board. Is to press.

In the speaker mounting apparatus according to the sixth aspect of the present invention, the rigid connection terminal extended from the speaker is inserted into the connection hole provided on the printed circuit board.
The speaker is positioned and fixed together with the electrical connection with the printed circuit board.

A speaker mounting device according to a seventh aspect of the present invention further comprises a locking hole provided in the printed circuit board and a locking projection piece formed in the speaker, and the locking projection is provided in the locking hole. The speaker is temporarily fixed on the printed circuit board by inserting the piece.

The speaker mounting device according to an eighth aspect of the present invention further comprises a locking hole formed on the elastic projection piece and a locking projection piece formed on the printed circuit board, and the locking hole is provided with the locking hole. By inserting the stop projection, the elasticity of the elastic projection is used to temporarily fix the speaker on the printed circuit board.

According to a ninth aspect of the present invention, there is provided a speaker mounting device for connecting a connection terminal for electrically connecting a speaker to a connection connector provided on a printed board.

In the speaker mounting device according to the tenth aspect of the present invention, the speaker protrusion, the elastic protrusion or the locking protrusion, or the positioning hole is formed on the front frame plate of the speaker. .

According to the eleventh aspect of the present invention, in the speaker mounting device, two or more speaker protrusions, elastic protrusions or locking protrusions, or positioning holes are formed.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment of the present invention will be described.

Embodiment 1 1 is a perspective view showing a speaker mounting device according to a first embodiment of the present invention, and FIG. 2 is a longitudinal sectional view thereof. In the figure, 10 is a housing, 20 is a speaker fixed to the opening 11 of the housing 10 from the back, 3
Reference numeral 0 is a printed circuit board. On the front surface of the speaker 20, a pair of projecting pieces 21 is formed integrally with the frame plate 2c at the lower left and right ends thereof. Reference numeral 31 denotes a pair of land holes formed at predetermined positions on the printed circuit board 30, and the distance between the land holes 31 is equal to the distance between the pair of projecting pieces 21. Reference numeral 4 denotes a connector mounted on the substrate 30 by soldering or the like. Reference numeral 5 is a lead wire for connecting the terminal 2a and the connector 4.

1 and 2, parts corresponding to those in FIG. 16 for explaining the conventional apparatus are designated by the same reference numerals.

As shown in these figures, the speaker 20 is fixed to the rear surface of the housing 10 for the purpose of outputting audio from an electronic device, and a protrusion 21 integrally formed with the speaker 20 has a printed board 30. Inserted into the land hole 31 of
After that, it is fixed by soldering. The printed circuit board 30
Is locked to the board holding rail portion 1a of the housing 10 and has a structure in which it is electrically connected to the connection electrode 2d of the speaker 20 by the connector 4 and the lead wire 5.

Here, the opening surface of the housing 10 and the speaker 20.
As shown in FIG. 2, the positional relationship between and is L1 between the flange portion 1b on the back surface of the housing 10 and the frame plate 2c of the speaker 20.
A gap is maintained. In this way, the speaker 2
Since 0 is fixed to the printed circuit board 30 without coming into contact with the housing 10 itself, the vibration of the speaker 20 is not transmitted to the brim portion 1b, and thus abnormal noise such as chatter is unlikely to occur.

Embodiment 2 FIG . 3 is a perspective view showing a speaker mounting device according to a second embodiment of the present invention.

In the first embodiment, the protruding pieces 21 are provided only at two positions on the frame plate 2c on the front surface of the speaker 20.
In the second embodiment, as shown in FIG.
In addition to 1a, the left and right ends of the frame plate 2c of the speaker 20 are bent to the coil portion 2a side in a U shape (may be a hook shape),
A pair of projecting pieces 21b is further provided at the tip of the bent portion 2e. The printed circuit board 30 is also provided with two pairs of land holes 31a and 31b formed at predetermined positions. Although the housing 10 is omitted in the drawing, the printed circuit board 30 is locked to the board holding rail portion of the housing and electrically connected by the connector 4 and the lead wire 5 as in the first embodiment. Has a structure connected to the connection electrode 2d of the speaker 20.

In the second embodiment, the speaker 2
0 is four land holes 31a, 3 on the printed circuit board 30.
The projecting pieces 21a and 21b are inserted into the 1b and then fixed by soldering. Therefore, the speaker 20 can be mounted on the printed circuit board 30 more firmly than the speaker mounting device of the first embodiment.

The protruding piece 21 formed on the speaker 20.
As for a and 21b, only one of the protruding pieces 21a and 21b may be configured. That is, if the speaker 20 is fixed to the printed circuit board 30 at at least three places, the above-described effects can be achieved.

Embodiment 3 4 is a perspective view showing a speaker mounting device according to a third embodiment of the present invention.

In the first embodiment, the speaker 20 and the printed circuit board 30 are electrically connected by the connector 4 and the lead wire 5.
Was done by. In the third embodiment, as shown in FIG. 4, a connecting terminal 24 made of an L-shaped rigid body is extended from the connecting electrode 2d of the speaker 20, and the tip portion thereof is directly inserted into the connecting hole 32 provided in the printed board 30. To be done. Then, on the back surface of the printed circuit board 30, the projecting piece 21 and the connection terminal 24 are soldered and fixed,
The speaker 20 is fixed and electrically connected.

Therefore, here, the speaker 20 can be electrically connected to the printed circuit board 30 even if the connector 4, the lead wire 5 and the like are omitted, and the printed circuit board 30 can be more strongly rigid as in the second embodiment. The speaker 20 can be mounted on top.

Fourth Embodiment 5 is a perspective view showing a speaker mounting device according to a fourth embodiment of the present invention, and FIG. 6 is a vertical sectional view thereof. In the figure, parts corresponding to those of the second embodiment (FIG. 3) are designated by the same reference numerals. In the speaker 20, as in the case of the second embodiment, the pair of protrusions 21b integrally formed with the speaker 20 are inserted into the land holes 31b of the printed circuit board 30 and then fixed by soldering. Further, the frame plate 2c of the speaker 20 is provided with a pair of hook-shaped protrusions 21c.
1c contacts the end surface and the back surface of the printed circuit board 30 to hold the speaker 20 on the substrate 30.

Further, the housing 10 is provided with a pair of locking pieces 12 at positions corresponding to the hook-shaped projecting pieces 21c, and these locking pieces 12 are, as shown in FIG. Is formed on the back surface of the above by a height L1 higher than the height of the collar portion 1b. Therefore, the positional relationship between the opening surface of the housing 10 and the speaker 20 is L between the flange portion 1b on the back surface of the housing 10 and the frame plate 2c of the speaker 20, as in the first embodiment.
A gap of 1 is retained.

As described above, according to the fourth embodiment,
The hook-shaped protrusion 21 of the speaker 20 is provided on the end surface of the printed circuit board 30.
The speaker 20 can be fixed on the printed circuit board 30 only by pressing c and pressing it against the locking piece 12 of the housing 10, and soldering can be done only with the pair of projecting pieces 21b. It can be fixed to.

When the speaker 20 is fixed on the printed circuit board 30, even if the soldering of the pair of protrusions 21b is omitted and the speaker 20 is temporarily fixed, substantially the same effect can be obtained.

Embodiment 5. 7 is a perspective view showing a speaker mounting device according to a fifth embodiment of the present invention, and FIG. 8 is a transverse sectional view thereof. The connection terminal 24 of the speaker 20 is
Similar to the third embodiment, the speaker 20 is extended from the connection electrode 2d of the speaker 20 and inserted into the connection hole 32 of the printed circuit board 30, and the speaker 20 itself is positioned together with the electrical connection with the printed circuit board 30. It has the effect of fixing.

In addition, the elastic protruding piece (elastic protruding piece) 22 formed integrally with the frame plate 2c is the speaker 2
It projects from both left and right ends of 0, and the tip further forms a bent portion 22a. When the connection terminal 24 is inserted into the connection hole 32 of the printed circuit board 30, the elastic projection 22 contacts the end surface of the printed circuit board 30 and the bent portion 22a is hooked on the upper surface of the circuit board 30 to cause the speaker 20 Is configured to hold.

The printed board 30 has a speaker 20.
A notch 3a corresponding to the sizes of the coil portion 2a and the cone portion 2b is formed.

Further, in the vicinity of the collar portion 1b of the housing 10, the positioning projection 1 formed slightly higher than the collar portion 1b.
3 is provided and is fitted with the positioning holes 23 provided at corresponding positions of the frame plate 2c of the speaker 20, so that the housing 10 and the speaker 20 can be aligned with each other.

In the speaker mounting apparatus having this structure, the speaker 20 is first temporarily fixed to the printed circuit board 30 by the connection terminal 24. Then, when the printed circuit board 30 is attached to the housing 10, as shown in FIG.
Is in contact with the collar portion 1b on the back surface of the housing 10, and then the end surface of the printed circuit board 30 further presses the elastic projection piece 22 of the speaker 20 by a dimension of L2, from the state shown by the one-dot chain line to the state shown by the solid line. Up to, the elastic projection 22 is deformed within the elastic range. That is, the elastic protrusion 22
Is pressed against the collar portion 1b of the housing 10 by utilizing its elastic force, so that the speaker 20 is fixed in close contact with the collar portion 1b of the housing 10.

Since the elastic protrusions 22 are provided on the left and right sides of the speaker 20 in this manner, the speaker 20 is attached to the substrate 30 while being pressed against the housing 10.
As in the case of the first to fourth embodiments, which has a predetermined gap, the noise is not generated.
Also, unlike the first to fourth embodiments, the speaker 2
It is easy to change the positional relationship between 0 and the substrate 30, and there is an advantage that there are few restrictions on the position of the speaker 20 on the substrate 30.

When the speaker 20 is fixed, as shown in FIG. 8B, the connecting portion of the connecting terminal 24 to the printed circuit board 30 is forward of the bent portion of the connecting terminal 24 by a distance L2. The connection terminal 24 is made to have elasticity so that the speaker 2
It is possible to prevent breakage of the 0 connection electrode 2d portion.

Sixth Embodiment 9 is a perspective view showing a speaker mounting device according to a sixth embodiment of the present invention.
Is a longitudinal sectional view thereof. In the figure, portions corresponding to those of the fifth embodiment (FIGS. 7 and 8) are designated by the same reference numerals. The difference from the fifth embodiment is that the opening 11 of the housing 10 for attaching the speaker 20 is different.
Is located above and farther away from the upper surface of the printed circuit board 30. In view of this, in the sixth embodiment, elastic protrusions (elastic protrusions) 22b are integrally formed with the frame plate 2c, and protrude downward at the left and right ends of the lower portion of the speaker 20, and further, the elastic protrusions 22b. A bent portion 22c is formed in the horizontal direction from the intermediate position.

Further, the housing 10 is provided with a pair of locking pieces 12a at positions corresponding to the elastic projection pieces 22b,
These locking pieces 12a are, as shown in FIG.
On the back surface of 0, it is formed slightly lower than the height of the collar portion 1b. The connection terminal 24 of the speaker 20 is inserted into the connection hole 32 of the printed circuit board 30 as in the case of the fifth embodiment, thereby electrically connecting with the printed circuit board 30 and positioning and fixing the speaker 20 itself. have.

In the speaker mounting apparatus having this structure, first, the connection terminal 24 is soldered to the printed board 30 to temporarily fix the speaker 20. When the printed circuit board 30 is attached to the housing 10, the speaker 20 contacts the flange portion 1b and the pair of locking pieces 12a on the back surface of the housing 10 as shown in FIG. End face presses the elastic protrusion 22b of the speaker 20 by a dimension of L3, and deforms within the elastic range of the elastic protrusion 22b from the state shown by the dashed line to the state shown by the solid line. That is, the elastic protrusion 22b is pressed against the flange portion 1b and the locking piece 12a of the housing 10 by using the elastic force, so that the speaker 20 is fixed in close contact with the housing 10.

As described above, in the speaker mounting apparatus according to the sixth embodiment, the speaker 20 is installed in the same manner as in the fifth embodiment.
The positional relationship between the substrate 3 and the substrate 30 can be easily changed, and the substrate 3
There is an advantage that the position of the speaker 20 on 0 is not restricted.

When the speaker 20 is fixed, as shown in FIG. 10, the connection portion of the connection terminal 24 with the printed circuit board 30 is L3 more than the bent portion of the connection terminal 24.
The connection terminal 24 is prevented from being damaged by making the connection terminal 24 elastic. Further, the pair of locking pieces 12a may have the same height as the collar portion 1b.

Embodiment 7 FIG . 11 is a perspective view showing a speaker mounting device according to a seventh embodiment of the present invention.

In the fifth and sixth embodiments, the speaker 20 and the printed circuit board 30 are temporarily fixed by the connection terminal 24. In the seventh embodiment, as shown in FIG. 11, the locking projections 25 are formed on the elastic projections 22 at the left and right ends of the frame plate 2c, and the locking projections 25 are provided on the printed circuit board 30. The speaker 20 is temporarily fixed on the printed circuit board 30 by being inserted into the locking hole 33.

As described above, in the speaker mounting apparatus according to the seventh embodiment, the speaker 20 can be temporarily fixed by the locking projection 25, so that it is not necessary to use the connection terminal 24.
The speaker 20 and the printed circuit board 30 can be electrically connected by the connector 4 and the lead wire 5.

Embodiment 8. FIG. 12 is a perspective view showing a speaker mounting device according to an eighth embodiment of the present invention.

In the seventh embodiment, the speaker 20 is temporarily fixed by the locking projection 2 provided on the frame plate 2c of the speaker 20.
5 and the locking hole 33 provided in the printed circuit board 30. In the eighth embodiment, as shown in FIG. 12, the distal end portion of the elastic projection piece 22 of the speaker 20 is bent and the locking hole 26 is formed therein. Then, by utilizing the elastic deformation of the elastic projection pieces 22, the respective locking holes 26 are fitted to the locking projection pieces 34 provided so as to project into the notches 3 a of the printed circuit board 30, and the board 30 is cut. The speaker 20 is configured to be temporarily fixed in the notch 3a.

Therefore, similarly to the seventh embodiment, since the speaker 20 can be temporarily fixed by the locking hole 26 and the locking projection 34, it is not necessary to use the connection terminal 24. The electrical connection between the speaker 20 and the printed circuit board 30 can be made by the connector 4 and the lead wire 5.

Ninth Embodiment 13 is a perspective view showing a speaker mounting device according to a ninth embodiment of the present invention.
4 is a transverse sectional view thereof. In the ninth embodiment,
The speaker 20 is the same as that of the seventh embodiment (FIG. 11).
Are temporarily fixed to the printed circuit board 30 by the locking protrusions 25. Two rigid connecting terminals 24a linearly extended rearward are formed from the connecting electrode 2d of the speaker 20, and the two connecting terminals are provided on the printed circuit board 30 which is separated from the tip position by L4. The connector 4 is arranged so that 24 a faces the fitting hole 4 a of the connector 4.

In the speaker mounting device having such a structure,
When the printed circuit board 30 is attached to the housing 10, the tip portion of the elastic protrusion 22 is bent by L2, and the printed circuit board 30 is connected to the connection terminal 24 of the speaker 20 as shown in FIG.
The upper connector 4 advances by a dimension of L2 (> L4). As a result, the connection terminal 24a fits into the fitting hole 4a of the connector 4, and the speaker 20 can be electrically connected.

Embodiment 10. 15 is a perspective view showing a speaker mounting device according to a tenth embodiment of the present invention.

In the tenth embodiment, similar to the sixth embodiment (FIG. 9), the elastic projection 22a of the frame plate 2c of the speaker 20 has a bent portion 22c, and the bent portion 22c is further provided. A locking projection 25 is formed at the tip. Then, the respective locking protrusions 25 are inserted into the locking holes 33 provided at the corresponding positions of the printed circuit board 30, and the speaker 20 is temporarily fixed to the printed circuit board 30.

With such a structure, it is not necessary to fix the speaker 20 on the substrate 30 by the connection terminal 24. Moreover, the speaker 20 and the printed circuit board 30 can be electrically connected by the connector 4 and the lead wire 5.

[0057]

Since the present invention is constructed as described above, it has the following effects.

According to the first aspect of the invention, the protruding piece integrally formed with the speaker is inserted into the land hole provided on the printed board and fixed by soldering, so that the speaker can be easily attached to the electronic device. It is also possible to reduce costs by eliminating the need for mounting screws.

According to the second aspect of the present invention, among the projecting pieces formed integrally with the speaker, those projecting on the end surface of the printed circuit board are pressed against the locking pieces formed on the housing. There is an effect that the speaker can be more firmly fixed to the printed circuit board.

According to the invention of claim 3, since the speaker is fixed by pressing it against the opening formed in the housing, there is an effect of preventing deterioration of the sound quality of the speaker.

According to the invention of claim 4, since the speaker and the opening of the housing can be surely aligned with each other, there is an effect of preventing chatter noise due to the positional displacement of the speaker.

According to the invention of claim 5, the positional relationship between the speaker and the substrate is not restricted.

According to the sixth aspect of the present invention, since the speaker can be positioned and fixed at the same time as being electrically connected to the printed circuit board, the speaker can be easily attached and the connector and the lead wire are not required, and the cost can be reduced. There is.

According to the invention of claim 7, when the speaker is held on the printed circuit board, the speaker can be easily temporarily fixed, and the speaker fixing means such as the connection terminal is not required.
There is an effect that electrical connection can be made also by the lead wire and the connector.

According to the invention of claim 8, when the speaker is held on the printed circuit board, the speaker can be easily temporarily fixed, and the fixing means for the speaker such as the connection terminal is not required.
There is an effect that electrical connection can be made also by the lead wire and the connector.

According to the invention of claim 9, even if the position of the speaker attached to the housing is moved, the connection terminal can automatically make an electrical connection, so that the workability of the attachment is improved and the number of parts is reduced. Has the effect of eradication.

According to the tenth aspect of the invention, the speaker can be attached to the printed board by the frame plate, so that the number of parts can be reduced.

According to the eleventh aspect of the present invention, by providing a large number of protrusions integrally formed with the speaker, there is an effect that the speaker can be more firmly fixed to the printed circuit board.

[Brief description of drawings]

FIG. 1 is a perspective view showing a speaker mounting device according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of the speaker mounting device of FIG.

FIG. 3 is a perspective view showing a speaker mounting device according to a second embodiment of the present invention.

FIG. 4 is a perspective view showing a speaker mounting device according to a third embodiment of the present invention.

FIG. 5 is a perspective view showing a speaker mounting device according to a fourth embodiment of the present invention.

6 is a vertical cross-sectional view of the speaker mounting device of FIG.

FIG. 7 is a perspective view showing a speaker mounting device according to a fifth embodiment of the present invention.

8A is a horizontal sectional view of the speaker mounting device of FIG. 7, and FIG. 8B is a vertical sectional view taken along line BB.

FIG. 9 is a perspective view showing a speaker mounting device according to a sixth embodiment of the present invention.

10 is a vertical cross-sectional view of the speaker mounting device of FIG.

FIG. 11 is a perspective view showing a speaker mounting device according to a seventh embodiment of the present invention.

FIG. 12 is a perspective view showing a speaker mounting device according to an eighth embodiment of the present invention.

FIG. 13 is a perspective view showing a speaker mounting device according to a ninth embodiment of the present invention.

14 is a cross-sectional view of the speaker mounting device of FIG.

FIG. 15 is a perspective view showing a speaker mounting device according to a tenth embodiment of the present invention.

FIG. 16 is a perspective view showing an example of a conventional speaker mounting structure.

[Explanation of symbols]

10 case, 1a rail part for holding substrate, 1b
Collar portion, 1c boss portion, 11 opening, 12, 12
a locking piece, 13 positioning protrusion, 20 speaker,
2a coil part, 2b cone part, 2c frame plate, 2d connection electrode, 21, 21a, 21b projecting piece, 21c hook-shaped projecting piece, 22 elastic projecting piece, 23
Positioning holes, 24 connection terminals, 25 locking protrusions,
26 locking holes, 30 printed circuit boards, 31 land holes, 32 connection holes, 33 locking holes, 34 locking projections, 4 connectors, 5 lead wires, 6 screws.

Claims (11)

[Claims] 1. A speaker mounting device for mounting a speaker in an opening of an electronic device housing, comprising: a protrusion integrally formed with the speaker; and a protrusion fixed to the housing for inserting the protrusion. And a printed circuit board having a land hole, wherein the protrusion is inserted into the land hole to fix the speaker on the printed circuit board. 2. The projection piece formed integrally with the speaker, which is located on the end surface of the printed circuit board, is pressed against a locking piece formed on the housing. 1. The speaker mounting device according to 1. 3. A speaker mounting device for mounting a speaker in an opening of an electronic device housing, comprising: a printed circuit board fixed in the housing; and an elastic projection piece integrally formed with the speaker. A speaker mounting device, characterized in that the speaker is pressed against an opening formed in the housing to fix the speaker by pressing one end of the printed circuit board with an end surface of the printed circuit board. 4. A positioning hole is formed in the speaker, and a positioning projection is formed near the opening of the housing. The positioning projection is fitted into the positioning hole, whereby the positioning projection is fitted into the positioning hole. The speaker mounting device according to claim 3, wherein the speaker and the opening of the housing are aligned with each other. 5. The elastic protrusion formed integrally with the speaker is pressed against a locking piece formed on the housing, and then the elastic protrusion is pressed by the end surface of the printed circuit board. The speaker mounting device according to claim 3. 6. A rigid connection terminal extended from the speaker is inserted into a connection hole provided on the printed circuit board to electrically connect to the printed circuit board and position and fix the speaker. The speaker mounting device according to any one of claims 1, 3, 4, or 5. 7. The printed circuit board is provided with a locking hole, and further comprises a locking projection piece formed on the speaker, wherein the locking projection piece is inserted into the locking hole to print the print. The speaker mounting device according to any one of claims 3 to 6, wherein the speaker is temporarily fixed on the substrate. 8. A locking hole is formed on the elastic protrusion,
Further, a locking protrusion formed on the printed circuit board is provided, and by inserting the locking protrusion into the locking hole, the elasticity of the elastic protrusion is used to temporarily fix the speaker on the printed circuit board. Claim 3 thru | or Claim 6 characterized by the above-mentioned.
The speaker mounting device according to any one of 1. 9. The connection terminal according to claim 4, wherein a connection terminal for electrically connecting the speaker is connected to a connection connector provided on the printed circuit board. The speaker mounting device according to claim 1. 10. The speaker protruding piece, the elastic protruding piece or the locking protruding piece, or the positioning hole is formed on the front frame plate of the speaker. The speaker mounting device according to any one of 1. 11. The speaker according to claim 1, wherein two or more protrusions, elastic protrusions or locking protrusions, or positioning holes of the speaker are formed. The speaker mounting device described.