JP3511922B2 - Mounting structure of speaker net - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker net mounting structure, and more particularly to a speaker net mounting structure used in electronic musical instruments and the like.

[0002]

2. Description of the Related Art As a conventional mounting structure for a speaker net in a device such as an electronic musical instrument, for example, the peripheral portion of the speaker net is welded and fixed to the inside of a speaker case such as an electronic musical instrument. In another conventional speaker net mounting structure, a fixing piece (claw) is provided on the periphery of the speaker net so that the fixing piece (claw) penetrates the speaker case, is bent, and is then bonded to the bent portion. The agent is applied to fix the speaker net.

[0003]

However, the above-mentioned conventional speaker net mounting structure requires equipment and steps for welding and bonding, and since it is difficult to remove the welding and bonding points, recycling is required. It is not easy to disassemble for disposal, and there is a problem that workability is poor. Further, the height of the speaker net tends to be non-uniform depending on the degree of welding, and further, the assembling may be performed between the peripheral portion of the speaker net and the inner wall of the groove portion of the case into which the peripheral portion is inserted. Since there is a clearance for facilitating the clearance, this clearance is unlikely to be uniform, and there is room for improvement in appearance, such as making the position of the speaker net uneven.

Further, in the above another conventional speaker net mounting structure, it is inconvenient that foreign matter such as an adhesive adheres to the parts when the parts are recycled or disposed of due to separation. Further, in the portion where there is no fixing piece in the peripheral portion of the speaker net, the peripheral portion is not fixed, so that sticking is likely to occur, but if a large number of fixing pieces are provided to avoid this, the assembling performance deteriorates. was there.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and an object thereof is to improve the appearance while avoiding sticking, and to require equipment for welding, bonding, etc. Without assembling and disassembling, it is also easy to design the protrusion for locking.
It is to provide a mounting structure for a speaker net that can be performed .

[0006]

In order to achieve the above object, a speaker net mounting structure according to a first aspect of the present invention comprises a speaker net having at least one protrusion protruding from a peripheral edge, and At least one elastic member in which the groove portion is formed, a second groove portion, and a case having at least one locking portion provided in the second groove portion . 2 groove
Inside, it is fitted to the part other than the part where the locking part is provided.
Formed into so that shape, fitted periphery of the net for the speaker to the first groove portion of the elastic member, the elastic member,
The locking portion is provided in the second groove portion of the case.
With fitted in a portion other than the portion, the protruding portion of the net for the speaker was sealed directly engaged in the <br/> engaging portion of the casing without passing through the elastic member, characterized by comprising.

With this configuration, the periphery of the speaker net is
The portion is fitted into the first groove portion of the elastic member, and the elastic member is
Of the second groove portion of the case, other than the portion where the locking portion is provided
Fit with the part of the
It is directly locked to the locking part of the case without using an elastic member.

Therefore, the appearance can be improved while avoiding clinging, and the assembling and disassembling can be facilitated without the need for equipment such as welding and adhesion. Also, the speaker
The projecting part of the work net is not locked by an elastic member
The protrusion is formed so that it can be locked in contact and penetrate the elastic member.
Since there is no restriction on the shape such as
Design becomes easy.

A plurality of protrusions may be provided. In that case, workability is improved by disposing an elastic member between the protrusions. The number, length and position of the elastic members may be set so that the speaker net can be stably supported.

In order to achieve the same object, the speaker net mounting structure according to claim 2 of the present invention is the same as the above claim 1.
In the configuration described above, the locking portion of the case is a through hole that is provided in the bottom portion of the second groove portion of the case and penetrates the case, and allows the protrusion of the speaker net to penetrate the through hole. The portion of the protrusion that penetrates the through hole is deformed and locked.

With this configuration, the protrusion of the speaker net is passed through the through hole, and the protrusion is locked only by deforming the portion of the protrusion penetrating the through hole. The structure of the section is simple.

In order to achieve the same object, the speaker net mounting structure according to claim 3 of the present invention is the same as that of claim 1 above.
In the configuration described above, the locking portion of the case is a bottomed hole provided at the bottom of the second groove of the case, and the protrusion of the speaker net is locked in the bottomed hole. It is characterized by

According to this structure, the structure of the locking portion is simple.

[0014]

[0015]

[0016]

[0017]

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIG. 1 is an external view of an electronic musical instrument body to which a speaker net mounting structure according to a first embodiment of the present invention is applied. The electronic musical instrument body 1 is a keyboard musical instrument having left and right speaker units 2, and the speaker net mounting structure according to the present embodiment is provided in each speaker unit 2.

FIG. 2 is a partial perspective view of the upper case 6.
FIG. 3 is a perspective view of the speaker net 4 as viewed from the back side. The upper case 6 and the net 4 shown in FIGS. 2 and 3 are both components of the speaker unit 2 on the right side of the electronic musical instrument body 1 shown in FIG. The left speaker unit 2 is similarly configured.

FIG. 4 shows an upper case 6 taken along the line AA of FIG.
4 is an exploded cross-sectional view showing the net 4 and the elastic member 5 together with the partial cross-sectional view of FIG. As will be described later, the net 4 is assembled to the upper case 6 via the elastic member 5.

The net 4 is made of metal and is formed in a fan shape of four semicircles as shown in FIGS. 3 and 4, and the peripheral edge portion 4a is bent at a substantially right angle over the entire circumference. Two on each of the two sides of the peripheral portion 4a and the circular arc portion, for a total of six claws 7a to 7f.
(Protrusion) is provided. Each claw 7 has a rectangular plate shape,
It is formed integrally with the net 4 by projecting downward (FIG. 4) from the peripheral edge portion 4a. The thickness of each claw 7 is substantially the same as the thickness of the net 4.

Further, as shown in FIGS. 2 and 4, the net 4
A U-shaped groove 6a (second groove portion) is formed in a portion of the upper case 6 facing the peripheral edge portion 4a. The U-shaped groove 6a is further provided with a through hole 6b (locking portion) through which the claw 7 of the net 4 can pass. A total of six through holes 6b are formed at appropriate places on the bottom of the U-shaped groove 6a corresponding to the claws 7 of the net 4.

The elastic member 5 is made of an elastic material such as rubber and has a total of 3 portions corresponding to the two sides and the arc portion of the peripheral edge portion 4a.
One is provided. Each elastic member 5 has a peripheral portion 4 a of the net 4.
Has a U-shaped cross section having an upper surface formed with a groove 5a (first groove) into which is inserted. The length of each elastic member 5 is set so as to be set between two adjacent claws 7 provided on the peripheral edge portion 4a of the net 4 (for example, between the claw 7a and the claw 7b).

A method of assembling the net 4 to the upper case 6 in the speaker net mounting structure of the present embodiment having the above structure will be described below.

FIG. 5 is a partial sectional view showing a state in which the net 4 is assembled to the upper case 6.

First, the elastic member 5 is attached to the net 4,
Next, the elastic member 5 is attached to the upper case 6. That is, between the adjacent claws 7 provided on the peripheral portion 4a of the net 4 (the claw 7
a and claw 7b, claw 7c and claw 7d, claw 7e and claw 7
f )), the peripheral edge portion 4a is formed into the groove portion 5a of each elastic member 5.
To fit. Next, while the net 4 is fitted to the elastic member 5, each claw 7 is passed through each through hole 6b of the upper case 6, and the peripheral portion 4a of the net 4 together with the elastic member 5 is formed into a U-shape of the upper case 6. Fit into the groove 6a. That is, the net 4 is fitted to the upper case 6 via the elastic member 5. As a result, the peripheral edge portion 4a of the net 4 is held by the U-shaped groove 6a via the elastic member 5. After that, the portion that penetrates the through hole 6b of the claw 7 and projects to the lower side of the upper case 6 is twisted and deformed by pliers or the like, so that the claw 7 functions as a retainer for the net 4.

According to the first embodiment, since the elastic member 5 is fitted to the upper case 6 with the net 4 fitted to the elastic member 5, and the claw 7 is twisted, the assembling is completed.
No special equipment is required for assembly or disassembly such as welding or adhesion, and workability is good. The elastic member 5 may be fitted in the U-shaped groove 6a of the upper case 6 in advance, and then the peripheral edge portion 4a of the net 4 may be fitted in the groove portion 5a of the elastic member 5.

Since the horizontal and vertical relative positions of the net 4 with respect to the upper case 6 are defined by the thickness of both side walls and the thickness of the bottom of the elastic member 5, respectively, the height of the net 4 is increased. It becomes stable and uniform, and the clearance between the net 4 and the upper case 6 becomes uniform, so that a good appearance can be maintained. Further, the portion of the peripheral edge portion 4a of the net 4 where the claws 7 are absent is separated from the upper case 6 by the thickness of the elastic member 5 in both the vertical direction and the horizontal direction, so that the occurrence of sticking at the portion is prevented. It Moreover, since the number of the claws 7 may be set to the minimum number for preventing the disengagement, the assembling property is not deteriorated.

Further, since foreign matters such as an adhesive do not adhere even when the parts are recycled or disposed of, it is convenient for separation. Further, since the elastic member 5 is fitted into the U-shaped groove 6a at a portion of the net 4 where the claw 7 is not provided, that is, at a portion other than the through hole 6b of the upper case 6, the elastic member 5
There is no restriction on the shape such as forming the claw 7 so as to be able to penetrate. Therefore, when the net 4 is configured to be locked to the upper case 6, the claw 7 can be easily designed.

Therefore, the appearance can be improved while avoiding clinging, and the assembling and disassembling can be facilitated without the need for equipment for welding and bonding. (Second Embodiment) FIG. 6 is an exploded sectional view showing a state before the net 4 in the second embodiment is assembled to the upper case 6. In the second embodiment, the claw 7 of the net 4 is used.
The difference from the first embodiment is that the bifurcated claw 27 is replaced with. Other configurations are similar to those of the first embodiment.

The claw 27 is the claw 7 in the first embodiment.
It is provided at the same position as. When the claw 27 is penetrated through the through hole 6b of the upper case 6, the hook 27a of the claw 27 is inserted into the through hole 6b.
The claw 27 is locked to the opening on the lower side of b and functions as a stopper.

To lock the pawl 27 in the through hole 6b, the pawl 2
The left and right hooks 27a of 7 are pressed and deformed from both sides, and the claw 27
Is inserted into the through hole 6b. As a result, the hook 27a is locked in the lower opening of the through hole 6b by the elasticity of the claw 27.

The fitting relationship between the peripheral portion 4a of the net 4, the elastic member 5 and the upper case 6 is exactly the same as in the first embodiment.

According to this embodiment, the same effect as that of the first embodiment can be obtained.

(Third Embodiment) FIG. 7 is an exploded sectional view showing a state before the net 4 in the third embodiment is assembled to the upper case 6. The third embodiment is different from the first embodiment in that the claw 7 of the net 4 is replaced by a bifurcated claw 37 and the through hole 6b of the upper case 6 is replaced by a bottomed hole 36b. Other configurations are similar to those of the first embodiment.

The claw 37 and the bottomed hole 36b are provided at the same positions as the claw 7 and the through hole 6b in the first embodiment. The hole 36b has a bottomed cross-sectional shape, and the hook 37a of the claw 37 is locked to the bottomed part 36c, so that the claw 37 functions as a stopper.

In order to lock the claw 37 in the through hole 36b, the left and right hooks 37a of the claw 37 are pressed and deformed from both sides to insert the claw 37 into the through hole 36b, as in the second embodiment. . As a result, the hook portion 37a is locked to the expanded bottom portion 36c by the elasticity of the claw 37.

The fitting relationship between the peripheral portion 4a of the net 4, the elastic member 5 and the upper case 6 is exactly the same as in the first embodiment.

According to this embodiment, the same effect as that of the first embodiment can be obtained.

(Fourth Embodiment) FIG. 8 is an exploded perspective view of a net and an elastic member according to a fourth embodiment. In the fourth embodiment, the structure of the elastic member is different from that of the first embodiment, and the other structures are the same as those of the first embodiment.

The elastic member 45 is set to be longer than the elastic member 5 in the first embodiment, and each elastic member 45 is provided with a slit 45b. The slit 45b is
At the position corresponding to the claw 7 of the net 4 on the bottom of the groove 5a, the claw 7 is formed in a shape that can penetrate.

The elastic member 45 is provided corresponding to the two side portions and the arc portion of the peripheral portion 4a of the net 4,
You may comprise as a single member over the perimeter part 4a whole circumference.

When the net 4 is assembled to the upper case 6, the claw 7 of the net 4 is first attached to the slit 45 of the elastic member 45.
The peripheral edge portion 4a of the net 4 is fitted into the groove portion 5a of each elastic member 5 while penetrating through b. After that, in the same procedure as in the case of the first embodiment, the portion of the claw 7 that penetrates from the slit 45b is twisted and deformed, and the assembly is completed.

According to the present embodiment, the effect similar to that of the first embodiment can be obtained except that the claw 7 can be designed easily, and the length of the elastic member 45 can be freely adjusted. Since the flexibility is obtained, the elastic member 45 can be easily designed.

In the first, second and third embodiments, the claws 7 are set to be located at both ends of the elastic member 5, but the arrangement may be changed as long as the function as the retaining member can be secured. Alternatively, the number may be reduced.

In each of the above-mentioned embodiments, the elastic members 5 and 45 are provided corresponding to the respective predetermined portions of the peripheral portion 4a of the net 4, but the present invention is not limited to this, and the elastic members are provided on the upper case 6. The number, length and assembly position of the elastic members 5 and 45 may be appropriately set so that the net 4 can be stably supported via 5.

In each of the above embodiments, the mounting structure of the present invention is applied to an electronic musical instrument, but the present invention is not limited to this, and can be applied to various devices having speakers such as audio equipment.

[0049]

As described above, according to the first aspect of the present invention.
According to the speaker net mounting structure of the present invention, the appearance can be improved while avoiding clinging, and the assembly and disassembly can be facilitated without the need for equipment such as welding and bonding , and the elastic member can be used . So that it can penetrate
Since there is no restriction on the shape such as forming,
The design of the starting portion can be facilitated.

According to the speaker net mounting structure of the second aspect, the structure of the locking portion is simple.

According to the speaker net mounting structure of the third aspect, the structure of the locking portion is simple.

[0052]

[0053]

[Brief description of drawings]

FIG. 1 is an external view of an electronic musical instrument body to which a speaker net mounting structure according to a first embodiment of the present invention is applied.

FIG. 2 is a partial perspective view of an upper case.

FIG. 3 is a perspective view of the speaker net viewed from the back side.

FIG. 4 is an exploded cross-sectional view showing a net and elastic members together in a partial cross-sectional view of the upper case taken along the line AA of FIG.

FIG. 5 is a partial cross-sectional view showing a state in which the net is assembled to the upper case.

FIG. 6 is an exploded sectional view showing a state before the net according to the second embodiment of the present invention is assembled to the upper case.

FIG. 7 is an exploded sectional view showing a state before the net according to the third embodiment of the present invention is assembled to the upper case.

FIG. 8 is an exploded perspective view of a net and elastic members according to a fourth embodiment of the present invention.

[Explanation of symbols]

Net for 4 speakers 4a peripheral part 5 Elastic member 5a groove part (first groove part) 6 upper case 6a U-shaped groove (second groove portion) 6b Through hole (locking part) 7 nails (projections)

Claims (3)

(57) [Claims] 1. A speaker net having at least one protrusion protruding from a peripheral edge, at least one elastic member having a first groove, a second groove, and a second groove provided in the elastic member. A case having at least one locking portion provided therein, the elastic member being provided in the second groove portion of the case.
A shape that fits in a part other than the part where the stopper is provided
Shaped, the peripheral portion of the speaker net is fitted into the first groove portion of the elastic member, and the elastic member is attached to the second groove portion of the case.
Of, the locking portion is <br/> be fitted in a portion other than the portion provided Rutotomoni, wherein the projections of the net for the speaker elastic portion
Mounting structure of the speaker net, characterized by comprising by directly engaging locked to the locking portion of the casing without passing through the wood. Wherein said engaging portion of said casing is a through hole penetrating through the casing provided on the second bottom of the groove of the case, the projections of the net for the speaker to pass through the through hole At the same time, the speaker net mounting structure according to claim 1, wherein a portion of the protrusion that penetrates the through hole is deformed and locked. Wherein the engaging portion of the case is the second bottomed hole provided in the bottom of the groove of the case, it is engaged a projection of the net for the speaker in the bottomed hole The mounting structure for a speaker net according to claim 1, wherein the mounting structure is for a speaker net.