JP2000112568A - Speaker fixing structure for electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fix a speaker for developing satisfactory acoustic characteristics without generating any interference between a sound emitted to the front part and a sound emitted to the rear part even under the consideration of the assembly error of an electronic equipment such as the variation of the mounting position of a cover member in the speaker fixing structure of the electronic equipment. SOLUTION: A speaker 52 into which a speaker 51 is integrated is mounted on keyboard fixing hardware 41. The speaker holder 52 is made of rubber, and provided with a terrace-shaped overhang part 52h. The top ends of ribs 38c-38f on the back face of a mounted keyboard cover member 38 are butted to an upper face 52a1 of the speaker holder 52. The rib 38c is butted to the overhang part 52h. A sound emitted from the speaker 51 can be prevented from leaking from a clearance between the ribs 38c-38f and the upper face 52a1 of the speaker holder 52 to the outside part. Thus, the generation of any interference between a sound emitted to the front part of the speaker 51 and a sound emitted to the front part of the speaker 51 can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker fixing structure for an electronic device, and more particularly to a structure for fixing a speaker inside a keyboard portion of a portable information processing apparatus toward a small sound radiation opening group of a cover member. About. Some portable information processing apparatuses have a configuration in which a small-sized speaker is incorporated inside a keyboard section. It is desirable that the structure to which the speaker is fixed is a structure that does not make it difficult to assemble the personal computer, and that the sound characteristics are not impaired.

[0002]

2. Description of the Related Art FIG. 1 shows a speaker fixing structure of a conventional information processing apparatus. The information processing device 10 includes a main body 11 and a liquid crystal display unit 12. The main body 11 has a structure in which a printed board 14 and a keyboard portion 15 are fixed to a base portion 13, and the upper side of the base portion 13 is covered with a cover member 16 so that the keyboard portion 15 is exposed. The speaker 17 is a small opening group 1 for sound emission of the cover member 16.
8 is attached by screws 19 to the inner surface. A cord 21 extending from the speaker 17 is connected to a connector 22 on the printed circuit board 14.

FIG. 2 shows a speaker fixing structure of another conventional information processing apparatus. The information processing apparatus 10A includes a main body 11
A and the liquid crystal display unit 12A. The main body 11A includes a printed board 14A and a keyboard 15A on a base 13A.
Are fixed, and the upper side of the base portion 13A is covered with a cover member 16A so that the keyboard portion 15A is exposed. The speaker 17A is attached to the upper end of the rib 13Aa of the base 13A, and a cord 21A extending from the speaker 17A is connected to a connector 22A on the printed board 14A.

[0004] The cover member 16A is formed with a small sound emitting small opening group 18A, and an annular rubber member 25 is adhered to the lower surface of the cover member 16A around the small sound emitting small opening group 18A. I have. With the cover member 16A attached to the base portion 13A, the small sound emission opening group portion 18A faces the speaker 17A, and the annular rubber member 25 contacts the upper surface of the speaker 17A.

[0005]

The speaker fixing structure shown in FIG. 1 has a structure in which the speaker 17 is attached to the cover member 16. Therefore, when the cover member 16 is attached, the cord 21 is attached to the printed board 14. Connector 2
It is necessary to perform the work of connecting to the information processing device 1
The work of assembling the 0 becomes troublesome.

The speaker fixing structure shown in FIG.
A is attached to the base 13A, so that the cover member 1
When performing the work of attaching the 6A, the work of connecting the cord 21A is not necessary, and therefore, the information processing apparatus 10A
The task of assembling is simple. However, the speaker 17
Since A is attached to the base 13A, the speaker 17
A due to the variation in the mounting height of A and the variation in the height of the attached cover member 16A.
A gap is formed between the upper surface of the speaker 7A and the annular rubber member 25, and sound leaks out of the gap (reference numeral 26 indicates sound leaking outward from the gap), and the sound on the upper surface side of the speaker 17A is removed. The phase of the sound on the lower surface side of the speaker 17A interferes with the phase of the sound, and the sound radiated upward from the small sound emission aperture group portion 18A has a low level in the low / mid range, and has good acoustic characteristics. Did not.

Accordingly, an object of the present invention is to provide a speaker fixing structure for an electronic device which has solved the above-mentioned problems.

[0008]

According to a first aspect of the present invention, there is provided a structure for fixing a speaker inside an electronic device toward a speaker facing portion of a cover member of the electronic device, wherein the speaker is incorporated in a speaker holder. Wherein the speaker holder is attached to a member inside the electronic device, and the speaker holder has a deformable structure capable of increasing the amount of deformation, and the speaker holder deforms the deformable structure. The electronic device is configured to be in contact with the inner surface of the speaker facing portion of the cover member of the electronic device.

The deformable structure portion is deformed to absorb variations in the mounting position of the cover member, and even in consideration of assembly errors of the electronic device such as variations in the mounting position of the cover member, the speaker-facing portion of the cover member. Between the speaker holder and the inner surface of the speaker holder. by this,
It is possible to realize a speaker fixing structure that can exhibit good acoustic characteristics without causing interference.

Further, the deformable structure of the speaker holder is appropriately deformed when the cover member is mounted, so that the cover member can be mounted without any trouble.
According to a second aspect of the present invention, the deformable structure portion is an overhang portion, and the overhang portion is configured to bend. The configuration that is the overhang portion can realize the deformable structure in a state in which the portion in which the speaker of the speaker holder is incorporated is not easily affected.

According to a third aspect of the present invention, the deformable structure is a bellows portion, and the bellows portion is deformed so as to be crushed and shrunk. The bellows portion has a large deformation amount, and therefore can cope with a case where the assembly error of the electronic device is large. According to a fourth aspect of the present invention, the electronic device is an information processing apparatus having a keyboard portion, and the speaker holder has a deformable structure portion deformed so that an inner surface of a speaker facing portion of a cover member of the keyboard portion of the information processing device is provided. It is configured to be in contact with the side.

This is an information processing apparatus having a keyboard portion, and in a structure in which a speaker faces the back side of a cover member of the keyboard portion, exhibits good acoustic characteristics without interference even if an assembly error of the keyboard portion is considered. This makes it possible to realize a speaker fixing structure that can be used.

[0013]

3 and 4 show an information processing apparatus 3 to which a speaker fixing structure according to an embodiment of the present invention is applied.
Indicates 0. The information processing device 30 includes a main body 31 and a main body 31.
And a liquid crystal display section 32 which can rise up. X1 and X2 are the depth directions of the information processing device 30, Y
1, Y2 is the width direction, and Z1, Z2 are the height directions. The main body 31 has a keyboard portion 33 and an X
The printer unit 34 is arranged on the rear side, which is the one direction side.

The housing 35 of the main body 31 has a bottom cover 3 of a size including the keyboard 33 and the printer 34.
6 and an openable / closable cover 37 corresponding to the printer unit 34
And a keyboard cover member 38 corresponding to the keyboard section 33. A liquid crystal display supporting portion 39 that supports the liquid crystal display section 32 is formed at a substantially central portion of the bottom cover 35.

The keyboard section 33 has a structure shown in FIG. A control printed board 40 is mounted on the bottom cover 35. Reference numeral 41 denotes a keyboard fixing bracket, one end of which is screwed to the upper end of the bottom cover 36, and the other end of which is screwed to the control printed board 40 and attached in an oblique posture. The keyboard 42 has a portion closer to the X1 direction fixed to the keyboard fixing bracket 41, and a portion closer to the X2 direction fixed to the bottom cover 36 and attached. The keyboard cover member 38 is configured such that the end side in the X1 direction is
On the portion near the liquid crystal display support portion 39 of
The end in the X2 direction is fixed to and attached to the bottom cover 35. The key 43 is an opening 38 g of the keyboard cover member 38.
Protruding from.

This keyboard cover member 38 is similar to that shown in FIG.
In the middle position, the end in the X1 direction is hung on a portion near the liquid crystal display portion support portion 39 of the bottom cover 35 in an oblique posture as indicated by a two-dot chain line, and the hung portion is rotated as shown by an arrow A around the center. Let it be attached. Next, the speaker fixing structure will be described. As shown in FIGS. 6 and 7, the speaker fixing structure 50 includes a speaker holder 52 made of rubber.
The speaker holder 52 is attached to the keyboard fixing bracket 41, and the upper surface of the speaker holder 52 is covered by the speaker facing portion 38 a of the keyboard cover member 38. The speaker fixing structure 50 includes a keyboard cover member 38.
The structure takes into account the movement when attaching.

FIGS. 9A and 9B and FIGS. 10A to 10F show a speaker holder 52. FIG. FIG. 9B shows the speaker holder 52 upside down. FIG. 10D is a cross section taken along line DD in FIG.
(E) is a cross section along the line EE in FIG. 10 (C).
The speaker holder 52 is shown in FIGS. 9A and 9B and FIG.
As shown in (A) to (F), a main body 52a, hook portions 52b and 52c extending from the Y1 and Y2 sides of the main body 52a in the Z2 direction, and an arm extending from the main body 52a in the X1 direction. 52d. The main body 52a has a substantially cubic shape, has an opening 52e penetrating in the center, has a flange 52f protruding into the opening 52e on the upper end side, and faces the flange 52f on the inner surface of the opening 52e. In this configuration, three claw portions 52g1, 52g2, and 52g3 protrude at equal angular intervals. A slit 52c1 for passing an electric wire is formed in the hook portion 52c.

Reference numeral 52h denotes a terrace-shaped overhang portion which is a main part of the present invention.
The opening 52 is formed over a half of the side surface in the X1 direction among the side surfaces in the 1 and Y2 directions, and is relatively opened by a groove 52i cut out from the side surface of the main body 52a.
The overhanging shape protrudes from the e side in the X1 direction and the Y1 and Y2 directions.

When a force F in the Z2 direction is applied, the overhang portion 52h can be elastically bent as shown by a two-dot chain line in FIG. The overhang portion 52h constitutes a deformable structure described in the claims. 52j is a speaker built-in portion, and an opening 52e
Of the inner surface of the flange 52f and three claws 52g1,
It is a flat space between 52g2 and 52g3.

Since the speaker holder 52 is made of rubber, the speaker holder 52 can be elastically deformed so as to be compressed in the Z1 and Z2 directions. Is getting bigger. The speaker 51 has a flat disk shape, and has three claws 52g1, 52g2, 52g3 as shown in FIG.
And the flange 52f in the opening 52e.
Is built in the speaker built-in part 52j just below.

The speaker holder 52 includes a hook portion 52b,
52c straddles the keyboard fixing metal 41 and is held so as to hold it from both sides thereof. The arm 52d is fixed to the keyboard fixing metal 41 by screws 54, and the main body 52a is mounted on the keyboard fixing metal 41. Speaker 51
The longer extending electric wire 53 extends outside the speaker holder 52 through the slit 52c1 of the hook portion 52c, and is connected to the control printed board 40.

As shown in FIGS. 3 and 4, the keyboard cover member 38 has a speaker facing portion 38a formed at the end in the X1 direction and at the center in the width direction. The speaker facing portion 38a has a large number of small sound emission openings 38b. The speaker facing portion 38a is provided on the back surface of the keyboard cover member 38 at the speaker facing portion 38a.
Ribs 38c, 38d, 38e,
38f are formed. The square formed by the ribs 38c to 38f has a size corresponding to the size of the speaker holder 52. Ribs 38c to 38f and speaker facing portion 38a
The portion surrounded by is surrounded by a concave shape.

In the state where the keyboard cover member 38 is attached, as shown in FIG. 6, the leading edges of the ribs 38c to 38f are pressed against the portion along the periphery of the square upper surface 52a1 of the main body 52a of the speaker holder 52. Further, a space 55 surrounded by the ribs 38c to 38f is formed above the speaker 51. Here, the elastic deformation of the speaker holder 52 when attaching the keyboard cover member 38 will be described. The keyboard cover member 38 hangs the X1 direction end side on a portion near the liquid crystal display portion support portion 39 of the bottom cover 35 in an oblique posture as shown by a two-dot chain line in FIG. Arrow A
It is attached by rotating as shown by. When the keyboard cover member 38 is in an oblique position as shown by a two-dot chain line in FIG. 5, the speaker facing portion 38a is in the state shown in FIG. 11 with respect to the speaker holder 52, and the rib 38c hits the overhang portion 52h in the Z2 direction. Press The overhang portion 52h is elastically bent in the Z2 direction.

When the keyboard cover member 38 is rotated as shown by the arrow A, the rib 38c is slightly displaced in the Z1 direction, and the ribs 38d, 38e, 38f are displaced in the Z2 direction and contact the upper surface 52a1 of the main body 52a. Touch The overhang portion 52h is configured so that the rib 38c follows the displacement in the Z1 direction and
In the state shown in FIG. 6 in which the keyboard cover member 38 is attached and deformed in a direction in which the keyboard cover member 38 is elastically restored in one direction, the overhang portion 52h is pressed against the rib 38c by the remaining elastic force.

In the state shown in FIG. 6, the main body 52a is slightly elastically compressed and deformed.
Are pressed against the ribs 38d, 38e, 38f. Accordingly, when the keyboard cover member 38 is at the predetermined height position and when the keyboard cover member 38 is slightly shifted in the Z2 direction from the predetermined height position, the height position at which the keyboard cover member 38 is attached is, of course, the predetermined height position. Even if it is slightly displaced in the Z1 direction from the position, the lower edges of the ribs 38c to 38f and the upper surface 52a1 of the main body 52a are brought into close contact with each other. Therefore, the lower end edges of the ribs 38c to 38f and the upper surface 52a1 of the main body 52a are always in close contact with each other without being affected by the variation in the mounting height position of the keyboard cover member 38. Therefore, the lower end edges of the ribs 38c to 38f and the main body 52a
Of the sound on the upper surface side of the speaker 37 and the speaker 37.
Does not interfere with the phase of the sound on the lower surface side. The sound emitted from the speaker 37 and radiated upward from the small sound emitting group 41 of the speaker facing portion 38a has good acoustic characteristics in which the level of the low / middle sound range is not reduced.

For this reason, the speaker fixing structure 50 has a structure that can always exhibit good acoustic characteristics even when an assembly error of the information processing device 30 is considered. Note that the overhang portion 52h may be formed over the entire circumference of the main body 52a. Next, another embodiment of the speaker fixing structure will be described. FIG. 12 shows a speaker fixing structure 50A according to another embodiment of the present invention. This speaker fixing structure 50A is a structure using a speaker holder 52A shown in FIG. 12, the same components as those shown in FIG. 6 are denoted by the same reference numerals, and portions corresponding to the components shown in FIG. 6 are denoted by the same reference numerals with a suffix A.

The speaker holder 52A has a bellows portion 52Ak as a deformable structure described in the claims. The bellows portion 52Ak is formed at the upper end portion of the main body 52Aa, and is elastically deformable so as to be crushed and contracted in the Z2 direction. In the state of FIG. 12 in which the keyboard cover member 38 is attached, the bellows portion 52Ak is slightly elastically compressed and deformed, and the lower edges of the ribs 38c to 38f and the upper surface 52Aa1 of the main body 52Aa are brought into close contact with each other. Therefore, the ribs 38c to 38c are always set without being affected by the variation in the mounting height position of the keyboard cover member 38.
The lower edge of 38f and the upper surface 52Aa1 of the main body 52Aa are brought into close contact with each other. Therefore, sound does not leak from between the lower end edges of the ribs 38c to 38f and the upper surface 52Aa1 of the main body 52Aa, so that the phase of the sound on the upper surface of the speaker 37 and the phase of the sound on the lower surface of the speaker 37 are different from each other. It does not happen that they interfere. The sound emitted from the speaker 37 and radiated upward from the small sound emitting group 41 of the speaker facing portion 38a has good acoustic characteristics in which the level of the low / middle sound range is not reduced.

For this reason, the speaker fixing structure 50A has a structure that can always exhibit good acoustic characteristics even when an assembly error of the information processing apparatus is considered.

[0029]

As described above, according to the first aspect of the present invention, the loudspeaker holder in which the loudspeaker is incorporated has its deformable structure deformed so that the loudspeaker facing portion of the cover member of the electronic device can be formed. Since the configuration is in contact with the inner surface, the variation in the mounting position of the cover member is absorbed by the deformation of the deformable structure, and the inner surface of the speaker facing portion of the cover member and the speaker holder are in close contact with each other. Therefore, even if the assembly error of the electronic device such as the variation of the mounting position of the cover member is considered, the sound emitted from the front and rear of the speaker does not interfere with the sound emitted from the speaker. And a speaker fixing structure that can be used.

Further, when the cover member is attached, the deformable structure of the speaker holder is deformed,
The cover member can be attached without any trouble. In addition, since the speaker holder in which the speaker is incorporated is attached to a member inside the electronic device, and the cover member is attached so as to cover the speaker, it is compared with a structure in which the speaker is directly attached to the back surface of the cover member. Thus, the electronic device can be easily assembled.

According to the second aspect of the present invention, since the deformable structure portion is an overhang portion, the deformable structure portion can be realized in a state where the portion of the speaker holder in which the speaker is incorporated is hardly affected. According to the third aspect of the present invention, since the deformable structure portion is a bellows portion, the amount of deformation of the deformable structure portion can be increased, and therefore, it is possible to cope with a case where the assembly error of the electronic device is large.

According to a fourth aspect of the present invention, the electronic device is an information processing apparatus having a keyboard section, and the speaker holder has a deformable structure portion deformed so that a speaker facing portion of a cover member of the keyboard section of the information processing apparatus is provided. This is an information processing device having a keyboard part because it is in contact with the inner surface of the keyboard part.In a structure where the speaker faces the back side of the cover member of the keyboard part, interference may occur even if the assembly error of the keyboard part is considered. A speaker fixing structure capable of exhibiting good acoustic characteristics without occurrence of noise can be realized.

[Brief description of the drawings]

FIG. 1 is a diagram showing a conventional example of a speaker fixing structure.

FIG. 2 is a diagram showing another example of a conventional speaker fixing structure.

FIG. 3 is a diagram showing an information processing apparatus to which a speaker fixing structure according to one embodiment of the present invention is applied;

FIG. 4 is a diagram illustrating the information processing apparatus of FIG. 3 with a keyboard cover member removed.

FIG. 5 is a diagram showing an internal structure of a keyboard unit.

FIG. 6 is a diagram showing a speaker fixing structure according to one embodiment of the present invention.

FIG. 7 is an exploded view showing the speaker fixing structure of FIG. 6;

FIG. 8 is a diagram showing a speaker fixing structure with a keyboard cover member removed.

FIG. 9 is a perspective view showing a speaker holder.

FIG. 10 is a diagram showing a speaker holder.

FIG. 11 is a diagram illustrating elastic deformation of a speaker holder when a keyboard cover member is attached.

FIG. 12 is a view showing a speaker fixing structure according to another embodiment of the present invention.

FIG. 13 is a view showing a speaker holder in FIG. 12;

[Explanation of symbols]

 REFERENCE SIGNS LIST 30 information processing device 33 keyboard portion 36 bottom cover 38 keyboard cover member 38a speaker facing portion 38b small opening for sound emission 38c-38f rib 41 keyboard fixing bracket 50, 50A speaker fixing structure 51 speaker 52A speaker holder 52h overhang portion 52AK bellows

Claims (4)

[Claims] 1. A structure for fixing a speaker inside an electronic device toward a speaker facing portion of a cover member of the electronic device, wherein the speaker is incorporated in a speaker holder, and the speaker holder is The speaker holder is attached to an internal member, and has a deformable structure capable of increasing the amount of deformation. The speaker holder has the deformable structure deformed so as to face the speaker of the cover member of the electronic device. A speaker fixing structure for an electronic device, wherein the speaker fixing structure is configured to be in contact with an inner surface side of the unit. 2. The speaker fixing structure for an electronic device according to claim 1, wherein said deformable structure portion is an overhang portion, and said overhang portion is bent. 3. The speaker fixing structure for an electronic device according to claim 1, wherein the deformable structure is a bellows portion, and the bellows portion is deformed so as to shrink. 4. The information processing device according to claim 1, wherein the electronic device is a data processing device having a keyboard portion. The speaker holder has a deformable structural portion deformed so that an inner surface of a cover member of the keyboard portion of the information processing device is opposed to a speaker facing portion. The speaker fixing structure for an electronic device according to any one of claims 1 to 3, wherein the speaker is fixed to the electronic device.