JP4289485B2 - Speaker lid for automotive speakers - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a speaker lid that covers the front side of a vehicle-mounted speaker, and more particularly to a speaker lid of a vehicle-mounted speaker that can reduce the number of assembling steps to an interior trim and can increase the degree of freedom of modeling the speaker lid.
[0002]
[Prior art]
For example, FIG. 4 is an external view showing a door trim 1 installed on the interior surface of a door panel of a vehicle, and an armrest 1 a is formed in a bulging shape toward the interior side at a substantially central portion of the surface of the door trim 1. , Passengers can rest on their elbows. Under the armrest 1a, a pocket opening 1b of a door pocket that can accommodate equipment is opened, and a speaker lid 2 that covers the front side of an in-vehicle speaker (not shown) is provided on the front side of the pocket opening 1b. It has been.
[0003]
As shown in FIG. 5, the speaker lid 2 is made of a plate-shaped resin molded body, and is configured by covering the surface of the speaker lid main body 3 having a large number of openings with a net 4. Normally, in order to attach an assembly in which the surface of the speaker lid body 3 is covered with the net 4 to the door trim 1, a trim mounting boss 3a is provided on the back surface of the speaker lid body 3, and the trim mounting boss 3a is connected to the door trim. It is attached by inserting the screw 5 into the screw hole 3b from the back surface side (see, for example, Patent Document 1).
[0004]
Recently, as shown in FIG. 6, in order to improve the appearance performance of the speaker lid 2, a configuration in which the ornamental ring 6 borders the periphery of the speaker lid main body 3 has been implemented.
[0005]
That is, after covering the surface of the speaker lid main body 3 with the net 4, the peripheral edge of the net 4 is wound around the back surface side of the speaker lid main body 3, and the winding silo 4a is fixed by welding or bonded with an adhesive. The ring-fixing boss 3c protruding from the back surface of the speaker lid body 3 is inserted into the attachment hole 6a of the ornament ring 6, and the tip of the ring-fixing boss 3c is welded and fixed. The ornament ring 6 is assembled and this assembly is fixed to the door trim 1 with screws. A speaker seal rib 7 for sealing the in-vehicle speaker S is erected on the back surface of the speaker lid body 3, and a urethane pad 7 a for sealing the in-vehicle speaker S is provided at the tip of the speaker seal rib 7. It is attached.
[0006]
[Patent Document 1]
JP-A-7-108877 (2nd page, 3rd page, FIG. 3, FIG. 7, FIG. 8)
[0007]
[Problems to be solved by the invention]
As described above, in the conventional speaker lid 2, in particular, in the speaker lid 2 that is trimmed by the ornament ring 6 along the periphery of the speaker lid main body 3 and has improved appearance performance, the surface of the speaker lid main body 3 is covered with the net 4. After the winding 4a of the net 4 is wound, the speaker lid body 3 must be further welded and fixed to the ornament ring 6, which requires a large number of assembly steps, and the speaker lid body 3 is attached to the speaker lid body 3. In addition to the trim mounting boss 3a, a ring fixing boss 3c has been added, and problems such as a complicated shape and a complicated mold structure have been pointed out.
[0008]
Further, the external dimensions of the speaker seal rib 7 are substantially determined in accordance with the standard dimensions of the in-vehicle speaker S, and the ring fixing boss 3c protrudes from the rear surface of the speaker lid main body 3 on the outer portion of the speaker seal rib 7. Therefore, it is necessary to set the dimension indicated by a in FIG. 6 to be large, and the outer dimensions of the speaker lid body 3 must be increased, which is a major obstacle to downsizing the speaker lid 2. It was.
[0009]
The present invention has been made in view of the above circumstances, and is a speaker lid that covers the front side of an in-vehicle speaker, and has an outer ring that trims the periphery of the speaker lid body with an ornament ring to improve the appearance performance. The speaker lid of an in-vehicle speaker can be made compact because the speaker lid can be easily assembled, the molding die of the speaker lid can be simplified, and the restrictions on the external dimensions can be eased. The purpose is to provide.
[0010]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a speaker lid for a vehicle-mounted speaker in which an opening for a speaker is formed in an interior trim and is attached to the surface side of the interior trim so as to cover the opening for the speaker. The speaker lid includes a speaker lid main body made of a plate body having a large number of openings, a cover body attached to the surface side of the speaker lid main body, and an ornament ring that supports the peripheral portion of the speaker lid main body. The cover body terminal processing is performed so that the peripheral terminal of the cover body is wound around the back surface side of the peripheral edge of the speaker lid body, and this winding white is sandwiched between the speaker lid body and the ornament ring. It is characterized by.
[0011]
Here, the interior trim includes a door trim, a rear side trim, a luggage side trim, a rear parcel shelf, and the like. The speaker lid includes a speaker lid body, a cover body that covers the surface of the speaker lid body, and an ornament ring that borders the outer peripheral edge of the speaker lid body.
[0012]
The speaker lid body is composed of a general-purpose synthetic resin injection molded body such as polypropylene resin, polyolefin resin such as polyethylene, ABS resin, polyamide resin, polyacetal resin, or a metal processed product. Many openings for sound transmission are opened to transmit sound to the indoor side. Furthermore, the cover body can use a net knitted synthetic fiber such as polyester or polyamide, a fabric such as a woven fabric or a non-woven fabric, or a punching metal.
[0013]
The ornament ring is made of an injection-molded body of a general-purpose synthetic resin such as a polyolefin resin such as polypropylene or polyethylene, an ABS resin, a polyester resin, a polyamide resin, or a polyacetal resin.
[0014]
According to the present invention, the cover body covering the surface of the speaker lid main body has the peripheral terminal sandwiched between the peripheral edge of the speaker lid main body and the ornament ring. The process of welding and fixing to the peripheral back surface of can be abolished.
[0015]
Next, as a preferred embodiment of the present invention, the speaker lid includes a speaker lid body, a cover body, a portion where a cover body winding is sandwiched between a peripheral portion of the speaker lid body and an ornament ring. The three ornament rings are fixed by welding.
[0016]
Therefore, according to this embodiment, the peripheral end of the cover body is wound, and the speaker lid main body, the cover body, and the ornament ring are welded and fixed at the cover body winding portion. The fixing work of the speaker lid main body and the ornament ring can be performed in the same process, and the number of mounting steps can be shortened.
[0017]
Furthermore, if a configuration in which the speaker lid main body and the ornamental ring are welded and fixed at the portion where the cover body is wound is adopted, the ring fixing boss that has been required in the past can be eliminated, and no installation space is required. The degree of freedom of modeling can be increased, for example, the outer dimensions of the lid body can be made compact.
[0018]
At this time, it is preferable to use the same resin material for the speaker lid body and the ornament ring in order to guarantee the welding strength. For example, it is preferable to use PP resin for both the speaker lid body and the ornament ring from the viewpoint of cost, moldability, etc. Also, when the surface of the ornament ring is plated, both the speaker lid body and the ornament ring are made of ABS. Use of a resin is preferable in terms of secondary processing characteristics.
[0019]
In another embodiment of the present invention, a speaker seal flange for sealing a vehicle-mounted speaker is integrally formed on the ornament ring in the speaker lid.
[0020]
According to this embodiment, the speaker lid is formed integrally with the ornament ring instead of the conventional structure in which the seal shape of the vehicle-mounted speaker is provided as a sealing boss on the speaker lid body. The mold structure in the molding die for molding the main body can be simplified.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a speaker lid of a vehicle-mounted speaker according to the invention will be described in detail with reference to the accompanying drawings.
[0022]
1 and 2 show a first embodiment of the present invention. FIG. 1 is a front view showing a door trim assembled with a speaker lid according to the present invention. FIG. 2 is a cross-sectional view showing a configuration of the speaker lid according to the present invention. FIG. FIG. 3 is a cross-sectional view showing a configuration of a speaker lid according to the second embodiment of the present invention.
[0023]
In FIG. 1, a door trim 10 is attached to an indoor surface side of a door panel (not shown) via a fixing means such as a clip (not shown), and the occupant rests an elbow on a substantially central portion of the surface of the door trim 10. Thus, the armrest 11 is provided integrally with the door trim 10 or separately. Further, an inward seat 12 having a decorating function is mounted above the armrest 11, and a pocket opening 13 that can accommodate equipment is opened below the armrest 11. A speaker lid 20 is attached to the front side of the pocket opening 13.
[0024]
As shown in FIG. 2, the speaker lid 20 according to the present invention includes a speaker lid body 30, a net 40 that covers the surface of the speaker lid body 30, and an ornament ring 50 that is edged along the periphery of the speaker lid body 30. It is roughly composed of
[0025]
The speaker lid 20 is attached to the door trim 10 so as to cover the speaker opening 14 provided in the door trim 10 corresponding to the front side of the in-vehicle speaker S.
[0026]
More specifically, the speaker lid body 30 is composed of a plate-shaped resin molded body having a plurality of openings for sound transmission so that sound from the vehicle-mounted speaker S can be effectively propagated indoors, and the speaker lid body. As the material used, general-purpose synthetic resins such as polyolefin resins such as polypropylene and polyethylene, ABS resins, polyester resins, polyamide resins, polyacetal resins, etc. can be used. In this embodiment, ABS resins are used. Yes. A metal workpiece can also be used as the speaker lid body 30.
[0027]
On the other hand, the net 40 covering the surface of the speaker lid body 30 can use a knitted body such as a polyester resin fiber or a polyamide resin fiber. In this embodiment, a polyester fiber is used, but a fabric sheet such as a woven fabric or a non-woven fabric is used. Alternatively, a cover body such as punching metal can be used.
[0028]
Also, the ornament ring 50 is a ring body having an L-shaped cross section because it borders the outer peripheral edge of the speaker lid body 30, and the materials used are polyolefin resins such as polypropylene and polyethylene, ABS resins, and polyester resins. General-purpose synthetic resins such as polyamide-based resins and polyacetal-based resins are used. In this embodiment, ABS resin is used in connection with the plating treatment, and the same resin material as the speaker lid body 30 is used.
[0029]
At this time, a speaker seal rib 31 is erected in a frame shape on the back surface of the speaker lid main body 30, and a seal pad 32 such as a urethane pad is fitted at the tip of the speaker seal rib 31. The pad 32 contacts and seals the front surface of the vehicle-mounted speaker S.
[0030]
By the way, the speaker lid 20 according to the present invention can reduce the assembling man-hours, and in order to achieve compactness, the winding sill 41 along the peripheral edge of the net 40 is attached to the back surface of the peripheral edge of the speaker lid body 30 and the ornament ring 50. It is sandwiched between a receiving surface 51 provided in a stepped shape.
[0031]
The three parts of the speaker lid body 30, the net 40, and the ornament ring 50 are welded together by utilizing the compatibility of both the speaker lid body 30 and the ornament ring 50 at the portion where the winding 40 of the net 40 is wound. It becomes. In addition, as a welding process method, you may use conventional welding methods, such as ultrasonic welding process, electromagnetic induction heating process, and heat welding process.
[0032]
Further, the wrapping white 41 of the net 40 may be welded in advance to the back surface of the speaker lid main body 30, but considering the man-hours, the wrapping of the net 40 between the speaker lid main body 30 and the ornament ring 50 is possible. It is preferable in terms of work man-hours that it is only necessary to sandwich the white 41 and to integrate the three members in the welding process of the speaker lid main body 30 and the ornament ring 50.
[0033]
Thus, since the speaker lid 20 completes the assembly of the speaker lid 20 in the process of welding the speaker lid main body 30 and the ornament ring 50, the wrapping and fixing process of the net 40 and the speaker lid main body 30 as in the prior art. As compared with the case where two steps are required as in the fixing step between the ornament ring 50 and the ornament ring 50, only one step is required, so that the number of assembling steps can be reduced and the speaker lid body 30 and the ornament ring 50 can be fixed. There is no need to provide a boss or a mounting hole, and in addition, a molding die structure for molding both can be simplified.
[0034]
Furthermore, the speaker lid 20 according to the present invention winds the winding 41 of the net 40 around the back side of the peripheral edge of the speaker lid main body 30, and the three parts of the speaker lid main body 30, the net 40, and the ornament ring 50 are connected at this winding portion. Since the conventional ring fixing boss does not need to be set on the back surface of the speaker lid main body 30 because the welding is integrated, the dimension indicated by reference symbol A in FIG. 2, that is, the speaker seal rib 31 and the outer periphery of the speaker lid 20. Since the dimension between them can be set small, the degree of freedom of modeling of the speaker lid 20 can be increased, including making the speaker lid 20 compact.
[0035]
Next, FIG. 3 shows a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. That is, also in the second embodiment, the structure in which the speaker lid main body 30, the net 40, and the ornament ring 50 are welded and integrated in the state where the winding 41 of the net 40 is wound around the back surface of the peripheral edge of the speaker lid main body 30 is the first. This is the same as the embodiment.
[0036]
And in this 2nd Embodiment, the seal structure was attached to the ornament ring 50 as a seal structure which seals the front surface of the vehicle-mounted speaker S, It is the characteristics. That is, the ornament ring 50 includes a stepped receiving surface 51 for receiving the peripheral portion of the speaker lid main body 30, and a speaker seal flange 52 extending toward the vehicle-mounted speaker S side on the inner peripheral edge of the ornament ring 50. Is extended by a predetermined dimension, and a sealing pad 53 is fitted at the tip of the speaker sealing flange 52.
[0037]
Therefore, the speaker lid 20 according to the second embodiment can increase the degree of freedom of modeling the speaker lid 20, such as reducing the number of assembling steps of the speaker lid 20 and reducing the size, as in the first embodiment. In addition to the above effects, the speaker seal rib 31 can be abolished, so there is no need to groove the molding die of the speaker lid main body 30 by electric discharge machining, and only the shape of the molding die of the ornament ring 50 is changed. Therefore, there is an effect that the processing cost of the molding die can be reduced.
[0038]
The speaker lid 20 assembled to the door trim 10 has been described above. However, the speaker lid 20 according to the present invention includes an interior speaker S including a rear side trim, a luggage side trim, a rear parcel shelf, and the like, in addition to the door trim 10. Trim can be applied in general.
[0039]
【The invention's effect】
As described above, the speaker lid of the vehicle-mounted speaker according to the present invention winds the peripheral terminal of the cover body covering the surface of the speaker lid main body to the back side along the peripheral portion of the speaker lid main body. Since the configuration is such that the speaker lid body is sandwiched between the ornament ring that borders the outer periphery of the speaker lid body, the step of fixing the winding scissors of the cover body can be omitted, and the number of steps can be reduced. Furthermore, if the configuration in which the speaker lid main body, the cover body, and the ornament ring are welded and integrated at the sandwiched portion of the covering body of the cover body is adopted, the assembly work of the speaker lid can be further reduced, and the conventional Compared to the welding structure of the boss, the shape can be simplified, and the cost can be greatly reduced by reducing the number of steps.
[0040]
Furthermore, the speaker lid of the vehicle-mounted speaker according to the present invention has a conventional speaker lid main body if a configuration in which the speaker lid main body, the cover body, and the ornament ring are welded and integrated at the portion where the cover body is wound is used. Since it is not necessary to install the ring fixing ribs required for the fixing process with the ornament ring on the back of the speaker lid body, the installation space for the ring fixing ribs can be omitted. There is an effect that the degree of freedom can be greatly improved.
[Brief description of the drawings]
FIG. 1 is a front view showing an automobile door trim in which a speaker lid of an in-vehicle speaker according to the present invention is assembled.
FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1, and is a cross-sectional view showing the configuration of the first embodiment of the speaker lid of the in-vehicle speaker according to the present invention.
FIG. 3 is a cross-sectional view showing a configuration of a second embodiment of the speaker lid of the in-vehicle speaker according to the present invention.
FIG. 4 is an external view showing a door trim assembled with a conventional speaker lid.
FIG. 5 is a cross-sectional view showing a relationship between a conventional speaker lid and an interior trim.
FIG. 6 is a cross-sectional view showing the structure of a conventional speaker lid.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Door trim 11 Armrest 12 Centering sheet 13 Pocket opening 14 Speaker opening 20 Speaker lid 30 Speaker lid main body 31 Speaker seal rib 32 Seal pad 40 Net 41 Roll-in white 50 Ornament ring 51 Stepped receiving surface 52 Speaker seal Flange S Car Speaker

Claims (4)

A speaker opening (14) is formed in the interior trim (10), and the speaker lid (20) of the vehicle-mounted speaker (S) attached to the surface side of the interior trim (10) so as to cover the speaker opening (14). ) And
The speaker lid (20) includes a speaker lid body (30) made of a plate body having a large number of openings, a cover body (40) attached to the surface side of the speaker lid body (30), and a speaker lid body ( 30) and an ornament ring (50) that supports the peripheral edge of the cover body (40), and the peripheral edge of the cover body (40) is wound around the back surface of the peripheral edge of the speaker lid body (30). Is mounted between the speaker lid main body (30) and the ornament ring (50), and the terminal treatment of the cover body (40) is performed. The speaker lid (20) includes a speaker lid main body (30) in a portion where the winding white (41) of the cover body (40) is sandwiched between the peripheral portion of the speaker lid main body (30) and the ornament ring (50). 30. The speaker lid for a vehicle-mounted speaker according to claim 1, wherein three members, the cover body (40) and the ornament ring (50), are welded and fixed. The in-vehicle speaker according to claim 2, wherein the speaker lid body (30) and the ornament ring (50) in the speaker lid (20) are made of resin materials having compatibility with each other. Speaker lid. The speaker seal flange (52) for sealing the vehicle-mounted speaker (S) is integrally formed along the inner peripheral edge of the ornament ring (50) in the speaker lid (20). The speaker lid of the vehicle-mounted speaker according to any one of the above.

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