JP2002320288A - Cabinet for speaker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cabinet for a speaker on which a resin baffle is fixed easily and from which the resin baffle is removed simply and easily even ion the case of repair or the like of the speaker. SOLUTION: The cabinet for the speaker is constituted in such a manner that at least a pair of slits S and S are formed in the axial direction at a required interval in a cylindrical boss main body 6a, sites positioned in the slits S and S are formed in movable sections 8, and engaging sections 9 engaged with mounting holes formed to the cabinet main body are formed in the axial direction only to the outer circumferential sections of the movable sections 8 as a boss 6. The boss 6 projected and formed to the rear of the resin baffle for mounting the speaker is fitted detachably into the mounting holes, and the resin baffle is removed simple and easily from the cabinet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker cabinet for audio equipment, and more particularly, to a speaker cabinet for audio equipment.
The present invention relates to a speaker cabinet in which a decorative net can be easily and easily and detachably attached to a front portion of a cabinet body.

[0002]

2. Description of the Related Art There are various types of speaker cabinets. One of them is to attach a resin baffle plate (hereinafter referred to as a "resin baffle") to a front opening of a wooden cabinet. In addition, there is a type in which a decorative net in which a synthetic fiber or a punched metal is stretched on a frame is provided on a front surface of the resin baffle to hide a speaker.

A speaker cabinet of this type is:
As shown in FIG. 8, a through hole (not shown) for inserting a speaker (not shown) attached to the resin baffle 23 into the cabinet main body 20 is provided on a front portion of the wooden cabinet main body 20. A front plate 21 formed at a portion is provided, and a boss 24 formed so as to protrude from a back surface portion of a resin baffle 23 corresponding to the mounting hole 22 is press-fitted into a mounting hole 22 formed at a required portion of the front plate 21. Thereafter, a resin-made holder 26 was fitted into the through-hole 25 provided in the boss 24, and was protruded from the back surface of the decorative net 28 in a shaft hole 27 provided in the center of the holder 26. The fixing pin 29 is press-fitted, and the decorative net 28 is detachably attached to the cabinet main body 20.

As shown in FIGS. 9 and 10, a boss 24 of a resin baffle 23 in this speaker cabinet has an outer diameter substantially the same as the inner diameter of a mounting hole 22 formed in the front plate 21. Main body of cylindrical boss 2
A rib 24b having a triangular cross section is formed integrally at an outer peripheral portion of the outer peripheral portion 4a with a required interval in the axial direction so that a top portion thereof is on the outside, as shown in FIG.
When the boss 24 is pressed into the mounting hole 22 of the front plate 21,
The ribs 24 b bite into the inner peripheral surface of the mounting hole 22, and the resin baffle 23 is mounted on the front plate 21.

[0005]

In the speaker cabinet described above, a boss is press-fitted into a mounting hole provided in a front panel mainly composed of the cabinet, and a rib formed on an outer peripheral portion mainly composed of the boss bites into the mounting hole. If you want to remove the resin baffle from the front panel when repairing the speaker, the boss cannot be easily removed from the mounting hole, and if you try to forcibly separate it, the boss and the mounting hole will be damaged, and the resin baffle will be damaged. There is a problem that it is not possible to reuse cabinets and cabinets.

In particular, since the boss of this type has the outer diameter substantially equal to the inner diameter of the mounting hole and has the above-mentioned rib formed on the outer periphery thereof, press-fitting requires equipment such as a press machine. However, the number of steps in speaker production increases, leading to an increase in cost, and thus has a major problem to be solved.

In view of the above situation, the present invention makes it possible to easily fix the resin baffle to the cabinet, and to easily and easily remove the baffle with the speaker from the cabinet even when repairing the speaker. The company will not provide a cabinet for the product.

[0008]

In order to achieve the above object, a speaker cabinet according to the present invention has a mounting hole formed in a front portion of a main body of the cabinet and protrudingly formed on a back surface of a baffle for mounting a speaker. When fitting a boss made of an elastic body, at least one pair of slits is formed in the axial direction at a required interval on a cylindrical boss main body constituting the boss, and a portion located between the slits is formed. A movable portion is formed, and an engaging portion that contacts an inner peripheral portion of the mounting hole only with an outer peripheral portion of the movable portion is formed in an axial direction.

According to a second aspect of the present invention, the engaging portion formed on the movable portion is formed of a rib having a triangular cross section, and the top portion has an outer peripheral surface mainly composed of the boss. A speaker cabinet provided so as to be flush with or positioned inside an outer peripheral surface.

According to a third aspect of the present invention, the movable portion is tapered such that the thickness of the inner peripheral surface of the distal end portion is greater than the thickness of the inner peripheral surface of the proximal end portion. It is a speaker cabinet characterized by being formed in.

Further, according to a fourth aspect of the present invention, in the speaker cabinet, the engaging portion is provided over the entire length of the movable portion or at an upper half portion. It is.

Further, in the invention according to a fifth aspect of the present invention, the engaging portion is a triangular pyramid of a required length provided below a distal end portion of the movable portion. It is a cabinet.

Further, in the invention according to claim 6, the movable portion is expanded by a net holder fitted in a through hole provided in the boss main body in an axial direction, and is formed mainly in a cabinet. A speaker cabinet, which is in close contact with a mounting hole.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a speaker cabinet according to the present invention will be described below in detail with reference to the accompanying drawings.

The speaker cabinet 1 according to the present invention comprises:
As is apparent from FIG. 1, the cabinet main body 2, a resin baffle 5 for mounting a speaker, and a net holder 10 for fitting to a boss 6 made of synthetic resin provided integrally with the resin baffle 5. And a decorative panel 13 having a cloth net attached to the surface thereof.

The cabinet main body 2 is made of a wooden box having a required size and having an open front portion. The front portion has, for example, a woofer in the case of a two-way speaker knit placed vertically. And a wooden front plate 3 provided with two through-holes (not shown) for receiving a tweeter speaker in a cabinet at an interval in the vertical direction. A plurality of mounting holes 4 for receiving a boss 6 made of an elastic body protruding from a required portion of the resin baffle 5 are provided at a required portion located at a peripheral portion of the face plate 3 through the front plate 3. Is provided.

The front plate 3 has two through holes in the vertical direction in order to receive a speaker (not shown) attached to the resin baffle 5 into the cabinet main body 2. The position at which the hole is formed is arbitrary, and the shape and material are not particularly limited.

A boss 6 protruding from the back surface of the resin baffle 5 is provided with a mounting hole 4 formed at the peripheral edge of the front plate 3.
A flange 6b is formed integrally with the base end of a boss main body 6a made of a cylindrical synthetic resin having a required diameter and length, and the flange 6b is formed through the flange 6b. And is connected to the resin baffle 5.

The boss main body 6a constituting the boss 6 includes:
As shown in FIGS. 2 and 3, a pair of slits S, S are formed at equal intervals in at least one location, preferably at three locations, from the upper end to the lower end with a required interval. A portion located between the slits S and S is defined as a movable portion 8, and an engaging portion 9 formed of, for example, a rib having a triangular cross section is provided on an outer peripheral portion of the movable portion 8. The boss body 6a is formed integrally with the outer peripheral surface of the boss main body 6a so as to be flush with the outer peripheral surface or slightly inside (axial side) from the outer peripheral surface.

The engaging portion 9 may be formed so as to extend from the upper end portion of the boss main body 6a to the flange portion 6b as apparent in FIG. 3, but is apparent in FIGS. 4 to 5, particularly FIG. In this way, a triangular pyramid of a required length is provided above the boss main body 6a (meaning a position from the front end of the boss main body 6a to a position slightly lowered from the front end) with its apex facing upward. By increasing the stroke of the part 8 and smoothly inserting the cabinet main body 2 into the mounting hole 4,
Engagement of both can be further ensured.

As described above, this engaging portion has a semi-conical shape if the boss main body 6a and the cabinet main body 2 are smoothly inserted into the mounting holes 4 and the engagement between the two is assured.
The shape can be selected from a square, an arc, and the like, and the shape is not limited at all.

When the boss 6 mounts the decorative panel 13 on the resin baffle 5, the boss 6 receives the net holder 10 having an outer diameter substantially equal to the inner diameter into a through hole 7 formed in the boss main body 6a, and The movable portion 8 having elasticity is expanded outward by the holder 10, and the engaging portion 9 formed on the movable portion 8 is engaged with the mounting hole 4 of the cabinet main body 2, so that the resin baffle 5 is securely attached to the cabinet main body 2. In order to secure the holding, the inner peripheral surface of the movable portion 8 may be formed in a tapered shape so that its thickness gradually increases from the base end to the upper end. preferable.

In the figure, reference numeral 11 denotes an engaging hole formed in the net holder 10, and 12 denotes a decorative panel 13 on the surface of which a cloth or the like is attached so that the speaker cannot be seen from the outside.
Is a shaft pin protruding from the rear surface of the shaft.

In order to assemble the speaker cabinet 1 using the member having such a configuration, the cabinet main body 2 is used.
After the bosses 6 of the resin baffle 5 are arranged corresponding to the mounting holes 4, the bosses 6 are respectively inserted into the mounting holes 4, and the resin baffle 5 is integrally mounted on the cabinet main body 2.

At this time, since the outer diameter of the boss 6 is substantially the same as the inner diameter of the mounting hole 4, the boss 6 can be easily fitted into the mounting hole 4. do not need.

Next, when a net holder 10 made of synthetic resin is inserted into each of the through holes 7 formed in the boss 6 of the resin baffle 5, the inner peripheral surface of the boss main body 6a becomes thicker upward. Because it is formed, net holder 1
The movable portion 8 expands outward as the “0” is inserted deeper, and an engaging portion 9 integrally protruding from the upper end edge toward the lower end portion on the outside of the movable portion 8 is formed inside the mounting hole 4. It bites while engaging with the peripheral surface and is integrated. (See Fig. 6)

On the other hand, in the boss 6 in which the engaging portion 9 is formed at a predetermined distance from the upper end edge of the boss main body 6a, FIG.
Since the stroke of the movable portion 8 can be increased as shown in FIG. 7, the engagement between the mounting hole 4 and the engaging portion 9 can be made tighter.

Next, as shown in FIG. 6, the net holder 10 is completely immersed in the through-hole 7 of the boss 6 of the resin baffle 5, and the resin baffle 5 is securely mounted on the cabinet main body 2. 10 engaging holes 1
By inserting the shaft pins 12 protruding from the decorative panel 13 into the decorative panel 1, the speaker cabinet 1 is completed.

In the speaker cabinet 1 thus assembled, for example, to repair the speaker,
When it is desired to remove the resin baffle 5 from the cabinet main body 2, the shaft pin 12 of the decorative panel 13 is pulled out from the net holder 10, and then the net holder 10 is pulled out from the through hole 7 of the boss 6 by an appropriate means. The movable portion 8 pressed against the inner peripheral surface of the mounting hole 4 by the elastic member 10 has its original position, that is, its top is flush with the outer peripheral surface of the boss main body 6a, or from the outer peripheral surface. It returns slightly inward and is disengaged from the inner peripheral surface, so that it can be taken out of the mounting hole 4 simply and easily.

Particularly, in the above-described embodiment, the thickness of the movable portion 8 is formed in a reverse taper shape so that the thickness increases from the base flange portion 6b side to the upper end portion. The upper end of the thick movable part 8 has the mounting hole 4
When the boss 6 is disengaged from the inner peripheral surface, the boss 6 is very easily
Can be removed.

[0031]

According to the speaker cabinet of the present invention,
When fitting a boss made of an elastic body protruding from the back surface of the resin baffle into a mounting hole formed in the front part of the cabinet main body, at least one pair of slits is formed in the cylindrical boss main body constituting the boss. A portion formed between the slits in the axial direction at a required interval is defined as a movable portion, and an engaging portion that contacts the inner peripheral portion of the mounting hole only to the outer peripheral portion of the movable portion is formed in the axial direction. By fitting the net holder into the through hole formed in the boss, the engaging portion is in close contact with the inner peripheral surface of the mounting hole, and the cabinet and the resin baffle can be easily and easily integrated. At the same time, the two can be easily separated by pulling out the net holder.

In particular, in the present invention, when removing the resin baffle from the cabinet main body, by pulling out the net holder fitted to the boss, the mounting hole of the cabinet main body and the boss itself are hardly damaged. In any case, the two can be tightly integrated, which is a great advantage in that no special mechanical device is required for assembling the speaker cabinet.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a main part of a speaker cabinet according to the present invention.

FIG. 2 is a plan view showing an example of a boss constituting a main part of the present invention.

FIG. 3 is a perspective view of the same.

FIG. 4 is a plan view showing another example of a boss constituting a main part of the present invention.

FIG. 5 is a perspective view of the same.

6 is an explanatory diagram of a main part of a speaker cabinet using the boss shown in FIG. 3;

7 is an explanatory diagram of a main part of a speaker cabinet using the boss shown in FIG. 5;

FIG. 8 is an explanatory diagram of a main part of a conventional speaker cabinet.

FIG. 9 is a plan view of a boss used in the speaker cabinet.

FIG. 10 is a perspective view of the same.

FIG. 11 is an explanatory diagram of a main part of a conventional speaker cabinet using the boss.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Speaker cabinet 2 Cabinet main body 3 Front plate 4 Mounting hole 5 Resin baffle 6 Boss 6a Boss main body 7 Through hole 8 Movable part 9 Engaging part 10 Net holder

Claims (6)

[Claims] When a boss made of an elastic body protruding from a back surface of a baffle for mounting a speaker is fitted into a mounting hole formed in a front portion of a main body of a cabinet, a cylindrical boss constituting the boss is fitted. At least one subject
A pair of slits are formed in the axial direction at a required interval, a portion located between the slits is a movable portion, and an engagement portion that contacts the inner peripheral portion of the mounting hole only to the outer peripheral portion of the movable portion. A speaker cabinet formed in an axial direction. 2. The engaging portion formed on the movable portion has a triangular rib in cross section, and its top is flush with the outer peripheral surface of the boss main body or located inside the outer peripheral surface. The speaker cabinet according to claim 1, wherein the speaker cabinet is provided as described above. 3. The movable portion is formed in a tapered shape such that the thickness of the inner peripheral surface of the distal end portion is larger than the thickness of the inner peripheral surface of the proximal end portion. 3. The speaker cabinet according to 1 or 2. 4. The speaker cabinet according to claim 1, wherein the engaging portion is provided over the entire length of the movable portion, or provided at an upper half portion. 5. The speaker cabinet according to claim 1, wherein said engaging portion is a triangular pyramid of a required length provided below a tip portion of said movable portion. 6. The movable part is expanded by a net holder fitted into a through hole provided in the boss main body in the axial direction, and is closely engaged with a mounting hole formed in the cabinet main body. The speaker cabinet according to any one of claims 1 to 5, wherein