JP3044680B2 - Mounting method and structure of car speaker grill - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle audio device, and more particularly to a method of mounting a speaker grill and a structure thereof.

[0002]

2. Description of the Related Art In recent years, there has been an increasing demand for enjoying music in automobiles, and automobiles equipped with a so-called car stereo have become widespread. The speaker of this car stereo is generally mounted on a par shelf or a front door located between a rear seat and a rear window in many cases.

A conventional example will be described below with reference to a case where a speaker grill is attached to a door trim of a front door.
FIG. 7 shows a front door 30 of an automobile. The front door 30 is usually composed of a window portion 31 and a door body structure portion 32. An armrest 33 is provided on the vehicle interior side of the main body structure portion 32.
A door trim 36 equipped with a door pocket 34 and a speaker 35 is provided.

The door trim 36 of the speaker 35 is
The attachment to the device will be described with reference to FIG. Speaker 3
Reference numeral 5 denotes a speaker main body (not shown) serving as a sound source and a speaker grill 37 which covers the entire surface of the speaker main body to protect the speaker main body and improve design. As shown in FIG. 8, the speaker grill 37 is attached from the front of the door trim 36, and the speaker grill 37 is attached to the door trim 36.
Some are attached from the back side.

In the method of mounting the speaker grill 37 from the front of the door trim 36, a projection 4 provided on a core 38 of the speaker grill 37 and having a screw hole 39 formed therein.
0 is fitted into a hole 41 provided in the door trim 36, and the door trim 36 is turned over.
2, the speaker grill 37 was attached to the door trim 36.

[0006]

As described above, when the speaker grille 37 is attached to the door trim 36, it is necessary to turn the door trim 36 upside down. At this time, the speaker grille 37 falls off the door trim 36. There was a problem.

[0007] The present invention is intended to solve such a problem, and a first object of the present invention is to:
An object of the present invention is to provide a method of mounting a vehicle-mounted speaker grill that enables a temporary fixing of a speaker frame to a vehicle interior part.

It is a second object of the present invention that a speaker frame can be temporarily fixed to an automobile interior part so that the speaker frame does not fall off even if the automobile interior part is turned over. It is an object of the present invention to provide a speaker grill mounting structure.

[0009]

According to a first aspect of the present invention, there is provided a method of mounting a vehicle-mounted speaker grill according to the first aspect of the present invention. To the speaker frame , the mounting direction is set inside the outer edge of the speaker frame.
A protruding portion protruding is provided, by inserting the protruding portion of the speaker frame from the front side of the automobile interior parts in SEQ設用opening, and the protrusion enters into the opening portion of the core material of the skin, the peripheral portion
The speaker frame is temporarily fixed to an automobile interior part by strongly interfering with the protruding part.

In order to achieve the second object, the mounting structure of the vehicle-mounted speaker grill according to the second aspect of the present invention is arranged such that the outer skin protrudes into the opening of the core material in the interior parts of the vehicle. When the speaker frame is formed along the surface side of the vehicle interior component, the speaker frame is inserted into the installation opening to form a core material of the skin. Peripheral edge that enters into the opening
Outside the speaker frame that strongly interferes with the intruded part
A projection is provided at a position inside the edge so as to project in the mounting direction .

According to a third aspect of the present invention, there is provided a mounting structure of a vehicle-mounted speaker grill according to the second aspect of the present invention. On the part, form a locating hole where its skin enters the hole of the core material, and when this speaker frame is along the surface side of the automobile interior part on the speaker frame screwed to the automobile interior part, A locator which is inserted into the locating hole and strongly interferes with the piercing portion which pierces the hole portion of the core material of the skin is provided.

[0012]

According to the first aspect of the present invention, it is possible to temporarily fix a speaker frame to an automobile interior part by a simple method. Even if the interior parts are turned over, the speaker frame with the speaker net attached will not fall off.

[0013] In the invention according to claim 2, when the speaker frame to which the speaker net is attached is placed along the surface side of the interior parts of the automobile, the speaker frame is moved from the outer edge of the speaker frame.
A protruding portion that protrudes in the mounting direction at the inner position is inserted into the disposing opening from the front side of the automobile interior part, and this protruding portion protrudes into the opening of the core material of the skin, and is not more than the peripheral edge portion
It becomes strongly interfered with the protruding part, and the speaker frame can be temporarily fixed to the interior parts of the vehicle. Therefore, even if the vehicle interior parts are turned over to screw the speaker frames to the vehicle interior parts, the speaker frames to which the speaker nets are attached will not fall off.

Further, in the invention according to claim 3,
When the speaker frame is placed along the front side of the car interior parts, the speaker frame should be
The protruding protrusion is inserted into the disposing opening from the surface side of the automobile interior part, and this protruding portion protrudes into the opening of the core material of the skin and strongly interferes with the protruding portion protruding from the peripheral edge portion. In addition to being able to temporarily fix the speaker frame to the car interior parts, the locate is inserted into the locate hole and positioning is performed, while the locate protrudes into the hole of the core material of the skin Since the speaker frame strongly interferes with the rush portion, it becomes possible to temporarily fix the speaker frame to an automobile interior part. Therefore, even if the vehicle interior parts are turned over to screw the speaker frames to the vehicle interior parts, the speaker frames to which the speaker nets are attached will not fall off.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view showing a mounting structure of an in-vehicle speaker grill according to one embodiment of the present invention, as viewed from the front side of a door trim. That is, a state before the speaker frame 3 and the speaker net 4 which are the components of the speaker grill 2 are assembled from the front side of the door trim 1 which is an automobile interior part is shown.

The door trim 1 is made of a light and strong resin or wood core material 5 and is made up of leather, carpet, cloth, a skin 6 of vinyl chloride or the like for cosmetic purposes, or a skin of vinyl chloride or a foam such as polypropylene. 6 are bonded. The door trim 1 is formed by a known vacuum forming method. According to this vacuum forming method, the core material 5 and the skin 6 can be separately drilled. The hole diameter of the hole to be machined and the hole diameter of the hole to be machined in the skin 6 can be made different.

An opening 7 for disposing the speaker grill 2 is formed in the door trim 1, and a plurality of holes 8 are formed around the disposing opening 7 so as to be located in front, rear, up and down directions. In addition, a locating hole 9 is formed in the center of the upper part around the disposing opening 7. In forming the arrangement opening 7, an opening 10 is formed in the core 5 after the skin 6 is bonded to the core 5, and the opening 6 is smaller than the opening 10 in the core 5. An opening 11 is formed. Therefore, the peripheral edge of the opening 11 of the skin 6 protrudes from the peripheral edge of the opening 10 of the core material 5 toward the center of the disposing opening 7.

Also, in the case of the above-mentioned locate hole 9, the same as the arrangement opening 7, the skin 6 in the locate hole 9 is provided.
The peripheral edge of the hole 12 protrudes from the peripheral edge of the hole 13 of the core material 5 toward the center of the locate hole 9.

The speaker grill 2 includes a speaker frame 3 and a speaker net 4. The speaker frame 3 has a base frame 15 having the shape of the arrangement opening 7.
A vertical and horizontal supporting portion 1 for covering and protecting the speaker body (not shown) and supporting the speaker net 4
4 are formed integrally with each other, and projections 16 corresponding to the holes 8 around the arrangement opening 7 are formed on the rear surface of the base frame portion 15. Has a screw hole 17 formed therein. Also, on the back surface of the base frame 15,
A locate 18 corresponding to the locate hole 9 around the disposing opening 7 is formed. As shown in FIG. 5, the locate 18 has blades 20 projected radially on all sides of a central shaft portion 19. The base frame portion 15 has a slit-shaped locking hole 24 formed before and after the upper and lower portions 15a and 15b.
4, ribs 21 are formed on the right and left sides of the lateral portion 14a and are projecting portions protruding inward.

The speaker net 4 is made of a perforated iron plate (punched metal), and its peripheral edge 4a has an engaging portion corresponding to the engaging hole 24 of the upper and lower portions 15a, 15b of the base frame portion 15. A stop projection 22 is formed.

Next, the attachment of the speaker grill 2 to the door trim 1 will be described. First, the speaker net 4 is attached to the speaker frame 3. In this mounting, the locking projection 22 of the speaker net 4 is placed on the base frame 15,
It is made by inserting and locking into the locking holes 24 before and after the lower parts 15a, 15b.

Next, the speaker frame 3 to which the speaker net 4 is attached is temporarily fixed to the door trim 1 from the front side of the door trim 1. That is, as shown in FIG. 3, the projection 16 of the speaker frame 3 is inserted into the hole 8 around the opening 7 of the door trim 1, the locate 18 is inserted into the locate hole 9, and the rib 21 is inserted. It is inserted into the arrangement opening 7, and the opening 1 of the skin 6 is inserted into the arrangement opening 7.
1, the rib 21 strongly interferes with the protruding portion 11a, which is a protruding portion protruding from the peripheral edge of the opening 10 of the core material 5, so that the protruding portion 11a is connected to the outer edge 2 of the rib 21.
By compressing at 1a and pulling it toward the opening 10 side of the core material 5 and pressing the protruding portion 11a against the peripheral edge of the opening 10, the outer skin 6 is pressed against the outer edge 21a of the rib 21 by the elasticity of the outer skin 6. Then, the speaker frame 3 is temporarily fixed to the door trim 1 by the frictional force between the two.

The location hole 9 is the same as the arrangement opening 7, and the location hole 9 protrudes from the peripheral edge of the hole 13 of the core member 5 of the hole 12 of the skin 6 in the skin 6. The locating portion 18 is strongly interfered with the protruding portion 12a, which is a protruding portion, and the protruding portion 11a is compressed by the blades 20 of the locating portion 18 and drawn into the hole 13 side of the core member 5 as shown in FIG. , This protruding part 12a
Is pressed against the peripheral edge of the hole 13, the elasticity of the skin 6 causes the skin 6 to be pressed against the blade 20 of the locate 18, and the speaker frame 3 is temporarily fixed to the door trim 1 by the frictional force between the two.

Next, the door trim 1 on which the speaker frame 3 is temporarily fixed is turned upside down, and a screw (screw) 23 is screwed into a screw hole 17 of the projection 16 of the speaker frame 3 inserted into the hole 8 and tightened. The speaker grill 2 is fixed to the door trim 1. In this case, even if the door trim 1 is turned over, the speaker frame 3 to which the speaker net 4 is attached does not fall off because it is temporarily fixed as described above.

FIG. 2 shows a state in which the speaker frame 3 to which the speaker net 4 is attached is fixed by the screws 23 of the door trim 1 as viewed from the back side of the door trim 1. 21a is the epidermis 6
It can be seen that there is strong interference with the protruding portion 11a, which is a protruding portion protruding from the peripheral edge portion of the opening 10 of the core material 5.

In the above-described embodiment, the disposing opening 7
In the above, the peripheral portion of the opening 11 of the skin 6 protrudes from the peripheral portion of the opening 10 of the core material 5 to form a protruding portion 11a, but the peripheral portion of the opening 11 of the skin 6 as shown in FIG. Is wound around the periphery of the opening 10 of the core material 5 so that the rib 2
The outer edge 21a may be temporarily fixed so as to cause strong interference.

[0027]

As described in detail above, according to the first aspect of the present invention, it is possible to temporarily fix the speaker frame to the automobile interior parts by a simple method, and to connect the speaker frame to the automobile interior parts. Even if the vehicle interior parts are turned upside down, the speaker frame to which the speaker net is attached will not fall off, and the work of attaching the speaker grill can be improved.

In the invention according to claim 2,
When the speaker frame to which the speaker net is attached is placed along the surface of the automobile interior parts, the outer edge of the speaker frame
A protrusion protruding in the mounting direction at a position inside the portion is inserted into the disposing opening from the surface side of the automobile interior component, and the protruding portion protrudes into the opening of the core material of the skin, from the peripheral edge portion
It becomes strongly interfered with the protruding intruding part, and the speaker frame can be temporarily fixed to the interior parts of the vehicle. Therefore, even if the vehicle interior part is turned upside down in order to screw the speaker frame to the vehicle interior part, the speaker frame to which the speaker net is attached does not fall off, and the work of mounting the speaker grill can be improved.

In the invention according to claim 3,
When the speaker frame is placed along the front side of the car interior parts, the speaker frame should be
The protruding protrusion is inserted into the disposing opening from the surface side of the automobile interior part, and this protruding portion protrudes into the opening of the core material of the skin and strongly interferes with the protruding portion protruding from the peripheral edge portion. In addition to the fact that the speaker frame can be temporarily fixed to the car interior parts, the locate is inserted into the locate hole and positioning is performed, while the locate protrudes into the hole of the core material of the skin. As a result, it becomes possible to temporarily fix the speaker frame to the interior parts of the automobile. Therefore, even if the vehicle interior part is turned upside down in order to screw the speaker frame to the vehicle interior part, the speaker frame to which the speaker net is attached does not fall off, and the work of mounting the speaker grill can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view illustrating a mounting structure of a vehicle-mounted speaker grill according to an embodiment of the present invention.

FIG. 2 is a configuration explanatory view showing the back side of the mounting structure of the vehicle-mounted speaker grill.

FIG. 3 is a sectional view taken along line XX of FIG. 2;

FIG. 4 is a sectional view taken along the line YY of FIG. 2;

FIG. 5 is a perspective view of a locate provided on a speaker frame.

FIG. 6 is a partially omitted cross-sectional view of another embodiment of the mounting structure of the in-vehicle speaker grill.

FIG. 7 is a perspective view of the front door of the automobile as viewed from the passenger compartment side.

FIG. 8 is a cross-sectional view of a conventional mounting structure of a vehicle-mounted speaker grill.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door trim (automobile interior parts) 2 Speaker grill 3 Speaker frame 4 Speaker net 5 Core material 6 Skin 7 Arrangement opening 8 Hole 9 Locating hole 10 Opening 11a Protruding part (entry part) 21 Rib (projecting part)

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60R 11/02 H04R 1/02 102

Claims (2)

(57) [Claims] To 1. A motor vehicle interior parts, to form a distribution設用opening epidermis enters into the opening portion of the core material, spin the speaker frame
A projection protruding in the mounting direction at a position inside the outer edge of the car frame. The projection of the speaker frame is inserted into the mounting opening from the front side into the interior parts of the automobile, and the projection is formed. When, it enters into the opening portion of the core material of the skin, seen from the periphery
A method for mounting a vehicle-mounted speaker grill, wherein the speaker frame is temporarily fixed to an automobile interior part by strongly interfering with a protruding intruding portion. 2. An automobile interior part has an installation opening in which a skin projects into an opening of a core material, and the speaker frame is inserted into the installation opening when the speaker frame is arranged along the surface side of the automobile interior part. From the peripheral edge, which protrudes into the opening of the core material of the skin
It strongly interferes with the protruding part, and the outer edge of the speaker frame
A mounting structure for an in-vehicle speaker grill, wherein a protruding portion protruding in a mounting direction is provided at a position inside the portion .