JP2018144753A - Speaker grille attaching structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a speaker grille attaching structure with which a metal speaker grille may be easily attached to upholstery and which has a simple, light, and highly-rigid structure.SOLUTION: A structure is a speaker grille attaching structure 1A for attaching a metal speaker grille 4 onto a vehicular upholstery (door trim 2). The speaker grille is formed in a plate shape deformable to a first mode A1 where a surface d1 at an inner side of a vehicular room has a convex shape and a second mode A2 where the surface at the inner side of the vehicular room has a concave shape. On a peripheral side of the speaker grille, a plurality of locking claws 8 are arranged. A contacting part 11 and insertion holes 9 are formed on the upholstery. In addition, under a state where the locking claws are inserted into the insertion holes and the speaker grille is deformed from the first mode to the second mode, a surface side of the speaker grille at an outer side of the vehicular room is brought into contact with a contacting part and the locking claws 8 are inclined so as to be locked on inner peripheral surfaces of the insertion holes on the upholstery, so that the speaker grille is kept in the second mode.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a speaker grill mounting structure, and more particularly to a speaker grill mounting structure for mounting a metal speaker grill to an interior material of a vehicle.

  2. Description of the Related Art As a conventional speaker grill mounting structure, a structure in which a metal speaker grill is attached to a door trim so as to cover a sound output opening formed in a vehicle door trim is generally known (for example, see Patent Document 1). In this type of speaker grille mounting structure 101, for example, as shown in FIG. 11, a metal speaker grille 104, a resin frame member 106 disposed on the outer surface side of the speaker grille 104, and It has. Then, as shown in FIGS. 12 (a) and 12 (b), the locking claws 104a provided in the speaker grill 104 are inserted into the insertion holes 106a formed in the frame member 106 and turned back, so that the speaker grill 104 and The frame member 106 is integrated, and then, as shown in FIG. 12C, a boss 106b provided on the frame member 106 is fastened to the door trim 102 by heat welding, a screw or the like.

JP 2010-254247 A

  However, since the conventional speaker grille mounting structure 101 includes the resin frame member 106 disposed on the outer surface side of the passenger compartment of the metal speaker grille 104, the number of parts is large and parts management is complicated. And productivity is low. In addition, since the mass increases, there is an influence on the fuel consumption required for recent vehicles. Further, the metal speaker grill 104 is liable to generate chatter noise due to the vibration of the speaker if there are few fastening parts, and countermeasures and quality control become complicated if there are many fastening parts.

  Here, it is conceivable that the metal speaker grill 104 is directly attached to the door trim 102 without using the resin frame member 106. However, in that case, the door trim 102 is a relatively large part, and inserting the locking claw 104a of the speaker grill 104 into the insertion hole formed in the door trim 102 and turning it back is a complicated operation. Furthermore, since the speaker grill 104 is usually mounted in a state where the surface d1 on the vehicle interior side has a convex shape, the rigidity is low.

  The above-mentioned problem also occurs when a metal speaker grille is attached to vehicle interior materials such as ceiling materials other than door trims, pillar garnishes, dashboards, and instrument panels.

  The present invention has been made in view of the above situation, and can provide a speaker grille mounting structure that can easily attach a metal speaker grille to an interior material and has a simple, lightweight, and highly rigid structure. Objective.

In order to solve the above problems, the invention according to claim 1 is a speaker grill mounting structure in which a metal speaker grill is attached to the interior material so as to cover a sound output opening formed in the interior material of the vehicle. The speaker grill is formed in a plate shape that can be deformed into a first state in which the surface on the vehicle interior side is convex or flat and a second state in which the surface on the vehicle interior side is concave. A plurality of locking claws projecting toward the outer surface of the passenger compartment are provided on the outer peripheral side of the speaker grille. The locking claws are arranged such that the speaker grille is moved from the first state to the second state. When deformed into a state, it can tilt toward the outside of the speaker grille, and the outer surface side of the sound output opening of the interior material can come into contact with the outer surface side of the speaker grille Abutment part is provided The interior material is formed with an insertion hole through which the locking claw can be inserted when the speaker grill is in the first state, and the locking claw is inserted through the insertion hole, In a state where the speaker grill is deformed from the first state to the second state, the outer surface of the speaker grill is in contact with the contact portion, and the locking claw is tilted to tilt the interior material. The gist is that the speaker grille is held in the second state by being locked to the inner peripheral surface of the insertion hole.
The gist of the invention according to claim 2 is that, in the invention according to claim 1, the locking claw is formed in a tongue shape extending from the outer peripheral edge of the speaker grille.
The gist of the invention described in claim 3 is that, in the invention described in claim 1 or 2, the contact portion is formed in an annular shape so as to surround the sound output opening.
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the contact portion is on the inner side of the locking claw on the outer surface side of the speaker grill. The gist is that the portions are arranged so as to contact each other.

According to the speaker grille mounting structure of the present invention, the speaker grille can be deformed into a first state where the surface on the vehicle interior side is convex or flat and a second state where the surface on the vehicle interior side is concave. A plurality of locking claws are provided on the outer peripheral side of the speaker grill so as to protrude toward the outer surface side of the passenger compartment. When deformed to a state, it can tilt toward the outside of the speaker grille. In addition, a contact portion is provided on the outer peripheral side of the sound output opening of the interior material so that the outer surface side of the speaker grill can be contacted. The interior material is in the first state. An insertion hole is sometimes formed through which the locking claw can be inserted. The locking claw is inserted through the insertion hole, and the speaker grille outer surface side of the speaker grille is in contact with the contact portion in a state where the speaker grill is deformed from the first state to the second state. The pawl is tilted and locked to the inner peripheral surface of the insertion hole of the interior material, so that the speaker grille is held in the second state. Thereby, a metal speaker grille can be directly and easily attached to the interior material. Further, since there is no need to use a resin-made frame member disposed on the outer surface side of the passenger compartment of a conventional metal speaker grill, the number of parts is small, parts management is easy, and productivity can be improved. In addition, the weight is reduced and the fuel consumption can be improved. Furthermore, it is possible to easily increase the fastening force by setting a large number of locking claws, and to suppress the occurrence of chatter noise. Furthermore, since the speaker grille is attached in a state in which the surface on the vehicle interior side has a concave shape, the rigidity is enhanced.
Moreover, when the said latching claw is formed in the tongue shape extended from the outer periphery of the said speaker grille, a speaker grille can be made into a simple and cheap structure.
Further, when the contact portion is formed in an annular shape surrounding the sound output opening, the rigidity of the contact portion is increased, and the locking claw is firmly locked in the insertion hole.
Further, when the abutting portion is arranged so that a portion inside the locking claw abuts on the outer surface side of the speaker grill, the locking claw is located outside the speaker grill. It tilts so as to largely warp toward it and is firmly locked in the insertion hole.

The present invention will be further described in the following detailed description with reference to the drawings referred to, with reference to non-limiting examples of exemplary embodiments according to the present invention. Similar parts are shown throughout the several figures.
It is a perspective view of a door trim provided with the speaker grille attachment structure concerning an example. It is a front view of the said speaker grille mounting structure. It is the III-III sectional view taken on the line of FIG. It is a principal part perspective view of the said door trim. It is a perspective view of the speaker grill which concerns on an Example, (a) shows a 1st state, (b) shows a 2nd state. It is a longitudinal cross-sectional view of the said speaker grille, (a) shows a 1st state, (b) shows a 2nd state. It is explanatory drawing for demonstrating the speaker grille attachment method concerning an Example, (a) shows the state which made the speaker grille face the opening for sound output of a door trim, (b) shows the latching claw of a speaker grille. The state which penetrated the insertion hole of the door trim is shown, (c) shows the state which changed the speaker grille from the 1st state to the 2nd state. It is explanatory drawing for demonstrating the rigidity test of a speaker grille, (a) shows the 1st speaker grille of the comparative example from which the surface of a vehicle interior side becomes convex shape, (b) is a concave surface of the vehicle interior side. The 2nd speaker grille of the example of an experiment used as a shape is shown. It is a table | surface which shows the rigidity test result of each said speaker grille. It is explanatory drawing for demonstrating the speaker grille mounting structure which concerns on another form, (a) shows the state which made the speaker grille face the sound output opening of a door trim, (b) is a latching claw of speaker grille Shows a state in which the speaker grill is inserted through the insertion hole of the door trim, and (c) shows a state in which the speaker grill is deformed from the first state to the second state. It is a perspective view of a door trim provided with the conventional speaker grille mounting structure (disassembled state). It is explanatory drawing for demonstrating the said speaker grille attachment method, (a) shows the state which inserted the latching claw of the speaker grille into the penetration hole of a frame member, (b) shows the state which turned back the latching claw. (C) shows the state which fastened the frame member to the door trim.

  The items shown here are exemplary and illustrative of the embodiments of the present invention, and are the most effective and easy-to-understand explanations of the principles and conceptual features of the present invention. It is stated for the purpose of providing what seems to be. In this respect, it is not intended to illustrate the structural details of the present invention beyond what is necessary for a fundamental understanding of the present invention. It will be clear to those skilled in the art how it is actually implemented.

<Speaker grill mounting structure>
The speaker grille mounting structure according to the present embodiment has a speaker grille mounting for attaching a metal speaker grille (4) to the interior material so as to cover the sound output opening (3) formed in the vehicle interior material (2). The structure (1A, 1B) (see, for example, FIG. 1 to FIG. 3), and the speaker grille (4) is in a first state (A1) where the surface (d1) on the vehicle interior side is convex or planar. And in the second state (A2) in which the surface on the vehicle interior side is concave, the outer surface of the speaker grill is directed toward the surface (d2) on the vehicle exterior side. Plural locking claws (8) are provided, and the locking claws can be tilted toward the outside of the speaker grill when the speaker grill is deformed from the first state to the second state (for example, FIG. 5 and FIG. 6 etc.). Further, on the outer peripheral side of the sound output opening (3) of the interior material (2), a contact portion (11) capable of contacting the outside surface (d2) side of the speaker grill (4) is provided. The interior material is formed with an insertion hole (9) through which the locking claw (8) can be inserted when the speaker grill is in the first state (A1) (see, for example, FIGS. 2 to 4). ). Then, the locking claw (8) is inserted into the insertion hole (9) and the speaker grille (4) is deformed from the first state (A1) to the second state (A2). While the outer surface (d2) side of the passenger compartment comes into contact with the contact portion (11), the locking claw (8) tilts and is locked to the inner peripheral surface of the insertion hole (9) of the interior material (2). Thus, the speaker grille is held in the second state (A2) (see, for example, FIGS. 7 and 10).

  As the speaker grille mounting structure according to the present embodiment, for example, the locking claw (8) is formed in a tongue shape extending from the outer peripheral edge of the speaker grille (4) (for example, FIGS. 5 and 6). Reference).

  As the speaker grille mounting structure according to the present embodiment, for example, the contact portion (11) is formed in an annular shape surrounding the sound output opening (3) (see, for example, FIG. 2). Can be mentioned.

  As the speaker grille mounting structure according to the present embodiment, for example, the contact portion (11) is a portion on the inner side of the locking claw (8) on the outer surface (d2) side of the speaker grille (4). (For example, refer to FIG. 3 etc.).

  In the case of the above-mentioned form, for example, an annular recess (12) that is recessed toward the outer side (R2) of the interior material is provided on the outer peripheral side of the sound output opening (3) of the interior material (2). The annular recess has a bottom wall that connects the inner peripheral wall (12a) and the outer peripheral wall (12b) facing each other, and the axial end side of the inner peripheral wall outside the passenger compartment and the outer peripheral wall of the outer peripheral casing. 12c), the insertion hole (9) is formed in the bottom wall (12c), and the contact portion (11) is provided on the shaft end side on the vehicle interior side of the inner peripheral wall (12a). (See, for example, FIG. 3). As a result, the locking claw tilts so as to warp further toward the outside of the speaker grille and is more firmly locked in the insertion hole.

  As the speaker grille mounting structure according to the present embodiment, for example, a plurality of the locking claws (8) are provided along the circumferential direction on the outer peripheral side of the speaker grille (4) (for example, FIG. 2 and the like). Reference). In this case, it is preferable that 4 to 12 (especially 6 to 10) locking claws are provided from the viewpoint of fastening force by the locking claws.

<Speaker grill installation method>
The speaker grille attachment method according to the present embodiment is a speaker grille attachment for attaching a metal speaker grille (4) to an interior material so as to cover a sound output opening (3) formed in the interior material (2) of the vehicle. The speaker grille (4) is a first state (A1) in which the surface (d1) on the vehicle interior side has a convex shape or a planar shape and the vehicle interior side A locking claw that is formed in a plate shape that can be deformed into a second state (A2) having a concave surface, and that protrudes toward the outer surface (d2) side of the passenger compartment on the outer peripheral side of the speaker grille. A plurality of (8) are provided, and the locking claw can tilt toward the outside of the speaker grill when the speaker grill is deformed from the first state to the second state (for example, FIG. 5 and FIG. 6 etc.). Further, on the outer peripheral side of the sound output opening (3) of the interior material (2), a contact portion (11) capable of contacting the outside surface (d2) side of the speaker grill (4) is provided. The interior material is formed with an insertion hole (9) through which the locking claw (8) can be inserted when the speaker grill is in the first state (A1) (see, for example, FIGS. 2 to 4). ). Then, when the speaker grille (4) is deformed from the first state (A1) to the second state (A2) with the locking claw (8) inserted through the insertion hole (9), the speaker grille While the outer surface (d2) side of the passenger compartment comes into contact with the contact portion (11), the locking claw (8) tilts and is locked to the inner peripheral surface of the insertion hole (9) of the interior material (2). Thus, the speaker grille is held in the second state (A2) (see, for example, FIGS. 7 and 10). In this speaker grill mounting method, the configuration described in the speaker grill mounting structure can be applied.

  In addition, the code | symbol in the parenthesis of each structure described in the said embodiment shows the correspondence with the specific structure as described in the Example mentioned later.

  Hereinafter, the present invention will be specifically described with reference to the drawings. In the present embodiment, as a “vehicle interior material” according to the present invention, a door trim 2 constituting a vehicle door is illustrated (see FIG. 1).

(1) Configuration of Speaker Grill Mounting Structure A speaker grill mounting structure 1A according to the present embodiment covers a planar circular sound output opening 3 formed in the door trim 2, as shown in FIGS. The metal speaker grille 4 is attached to the vehicle interior side R1 of the door trim 2. The vehicle door has a built-in speaker 5 at a position facing the sound output opening 3 (see FIG. 3).

  As shown in FIGS. 5 and 6, the speaker grille 4 has a first state A1 in which the surface d1 on the vehicle interior side (that is, the design surface) d1 has a curved convex shape, and a surface d1 on the vehicle interior side has a curved concave shape. It is formed in a disc shape (specifically, a dome shape) that can be transformed into the second state A2. A plurality of locking claws 8 are provided on the outer peripheral side of the speaker grill 4 so as to protrude toward the outer surface (namely, non-design surface) d2 of the passenger compartment.

  The speaker grill 4 includes a net-like, porous, lattice-like central sound output portion 4a for outputting sound from the speaker 5, and an outer peripheral frame portion 4b extending from the outer peripheral side of the central sound output portion 4a. (See FIG. 2). The speaker grill 4 is deformed from the first state A1 to the second state A2 by pressing the central sound output unit 4a. Furthermore, the speaker grille 4 is held in the first state A1 and the second state A2 in a natural state (that is, a state where no external force is applied). In the deformation from the first state A1 to the second state A2, the central sound output portion 4a is mainly deformed into a concave shape, but the outer peripheral frame portion 4b is hardly deformed.

  When the speaker grille 4 is deformed from the first state A1 to the second state A2, the locking claw 8 can be tilted so as to expand toward the outside of the speaker grille 4 (that is, the centrifugal side). . The locking claw 8 is formed in a tongue shape extending from the outer peripheral edge of the speaker grill 4. Further, a plurality (eight in FIG. 2) of the locking claws 8 are provided on the outer peripheral side of the speaker grille 4 at an equal pitch (or unequal pitch) angular interval along the circumferential direction.

  On the outer peripheral side of the sound output opening 3 of the door trim 2, as shown in FIGS. The contact portion 11 is formed in an annular shape so as to surround the sound output opening 3. Further, the contact portion 11 is disposed so that a portion on the inner side (that is, the centripetal side) of the locking claw 8 in the radial direction on the surface d2 side outside the passenger compartment of the speaker grill 4 contacts. Furthermore, an insertion hole 9 into which the locking claw 8 can be inserted when the speaker grille 4 is in the first state A1 is formed on the outer peripheral side of the sound output opening 3 of the door trim 2. A plurality (eight in FIG. 2) of the insertion holes 9 are provided on the outer peripheral side of the sound output opening 3 of the door trim 2 at an equal pitch (or unequal pitch) angular interval along the circumferential direction.

  On the outer peripheral side of the sound output opening 3 of the door trim 2, an annular recess 12 is provided that is recessed toward the vehicle compartment outer side R <b> 2 of the door trim 2. The annular recess 12 includes an inner peripheral wall 12a and an outer peripheral wall 12b facing each other, and a bottom wall 12c that connects a shaft end side of the inner peripheral wall 12a outside the passenger compartment and a shaft end side of the outer peripheral wall 12b outside the passenger compartment. I have. And the penetration hole 9 is formed in the bottom wall 12c, and the contact part 11 is provided in the axial end side by the side of the vehicle interior of the inner peripheral wall 12a (refer FIG. 4). Further, the inner peripheral wall 12a forms a sound output opening 3.

  Here, in the speaker grille assembly structure 1A, as shown in FIGS. 2 and 3, the locking claws 8 are inserted into the insertion holes 9, and the speaker grille 4 is moved from the first state A1 to the second state A2. In the deformed state, the outside surface d2 side of the speaker grille 4 is in contact with the contact portion 11, and the locking claw 8 is tilted so that the outer portion of the inner peripheral surface of the insertion hole 9 of the door trim 2 is tilted. As a result, the speaker grille 4 is held in the second state A2.

(2) Speaker Grill Attaching Method Next, a speaker grill attaching method according to the present embodiment will be described. As shown in FIG. 7 (a), the speaker grille 4 in the first state A1 is made to face the sound output opening 3, and each locking claw 8 is made to face each insertion hole 9, so The surface d2 is brought close to the door trim 2. Then, as shown in FIG. 7B, the locking claws 8 are inserted into the insertion holes 9 from the vehicle interior side R <b> 1 of the door trim 2. In this insertion state, the surface d2 side of the speaker grille 4 outside the passenger compartment may be separated from or in contact with the contact portion 11.

  Next, as shown in FIG. 7C, the speaker grill 4 is deformed from the first state A1 to the second state A2 from the inserted state. Then, the outside surface d2 side of the speaker grille 4 abuts against the abutting portion 11 and tilts so that the locking claws 8 warp toward the outside of the speaker grille 4 with the abutting portion of the speaker grille 4 as a fulcrum. And is locked to the outside of the inner peripheral surface of the insertion hole 9 of the door trim 2 (indicated by a dashed arrow in the figure). Thereby, the speaker grille 4 is held in the second state A2.

  According to the speaker grille mounting structure 1A having the above configuration, the sound from the speaker 5 is output to the vehicle interior side R1 of the door trim 2 through the sound output opening 3 of the door trim 2 and the central sound output portion 4a of the speaker grill 4. (See FIG. 3).

(3) Effects of the Example According to the speaker grille mounting structure 1A of this example, the speaker grille 4 has the first state A1 in which the surface d1 on the vehicle interior side is convex and the surface d1 on the vehicle interior side is concave. A plurality of locking claws 8 projecting toward the surface d2 side outside the passenger compartment are provided on the outer peripheral side of the speaker grille 4; The locking claw 8 can tilt toward the outside of the speaker grill 4 when the speaker grill 4 is deformed from the first state A1 to the second state A2. Further, a contact portion 11 is provided on the outer peripheral side of the sound output opening 3 of the door trim 2 so that the outer surface d2 side of the speaker grill 4 can be contacted. An insertion hole 9 through which the locking claw 8 can be inserted when in the first state A1 is formed. The engaging claw 8 is inserted into the insertion hole 9, and the speaker grille 4 is in contact with the outside surface d2 of the passenger compartment when the speaker grille 4 is deformed from the first state A1 to the second state A2. The speaker grille 4 is held in the second state A <b> 2 by being in contact with the portion 11 and being tilted and locked to the inner peripheral surface of the insertion hole 9 of the door trim 2. Thereby, the metal speaker grille 4 can be directly and easily attached to the door trim 2. Further, since there is no need to use a resin-made frame member disposed on the outer surface side of the passenger compartment of a conventional metal speaker grill, the number of parts is small, parts management is easy, and productivity can be improved. In addition, the weight is reduced and the fuel consumption can be improved. Furthermore, a large number of locking claws 8 can be set to easily increase the fastening force, and chatter noise can be suppressed. Furthermore, since the speaker grille 4 is attached in a state where the surface d1 on the vehicle interior side has a concave shape, the rigidity is enhanced.

  Further, in this embodiment, the locking claw 8 is formed in a tongue shape extending from the outer peripheral edge of the speaker grill 4. Thereby, the speaker grille 4 can be made into a simple and inexpensive structure.

  In this embodiment, the contact portion 11 is formed in an annular shape so as to surround the sound output opening 3. Thereby, the rigidity of the contact portion 11 is increased, and the locking claw 8 is firmly locked in the insertion hole 9.

  Further, in the present embodiment, the contact portion 11 is arranged so that a portion inside the locking claw 8 contacts on the surface d2 side of the speaker grille 4 outside the passenger compartment. As a result, the locking claw 8 is tilted so as to largely warp toward the outside of the speaker grille 4 and is firmly locked in the insertion hole 9.

  Furthermore, in the present embodiment, an annular recess 12 is provided on the outer peripheral side of the sound output opening 3 of the door trim 2, and the annular recess 12 includes an inner peripheral wall 12a, an outer peripheral wall 12b, and a bottom wall 12c. The insertion hole 9 is formed in the bottom wall 12c, and the contact portion 11 is provided on the shaft end side on the vehicle interior side of the inner peripheral wall 12a. As a result, the locking claw 8 is tilted so as to warp further toward the outside of the speaker grille 4 and is more firmly locked in the insertion hole 9.

  Further, in the present embodiment, a plurality of locking claws 8 are provided on the outer peripheral side of the speaker grille 4 along the circumferential direction. Thereby, the fastening force by the latching claw 8 is increased.

(4) Speaker Grill Stiffness Test Next, the speaker grill stiffness test will be described. In this rigidity test, as shown in FIG. 8, as a comparative example, a disk-shaped first speaker grille 21 (outer diameter: 180 mm, plate thickness: 0.6 mm) having a convex surface d1 on the vehicle interior side is used. Adopted. Further, as an experimental example, a disk-shaped second speaker grille 22 (outer diameter: 180 mm, plate thickness: 0.6 mm) having a concave surface d1 on the vehicle interior side was employed. Each speaker grille 21 when the magnitude of the load L is changed by applying a downward load L to the center of the surface d1 (upper surface) on the vehicle interior side with the outer periphery of each speaker grille 21 and 22 being supported. , 22 was measured for the amount of displacement at the center. As a result, the first speaker grille 21 has a large amount of displacement even when a relatively small load L is applied (indicated by a broken line in FIG. 9). On the other hand, in the second speaker grill 22, the displacement amount is small even when a relatively large load L is applied (indicated by a solid line in FIG. 9). Therefore, the second speaker grill 22 is more rigid than the first speaker grill 21.

<Other types of speaker grille mounting structure>
Next, a speaker grille mounting structure 1B according to another embodiment will be described. Note that in the speaker grille mounting structure 1B of the present embodiment, the same reference numerals are given to substantially the same components as the speaker grille mounting structure 1A of the above embodiment, and detailed description thereof is omitted.

  As shown in FIG. 10, the speaker grille mounting structure 1 </ b> B according to this other embodiment attaches a metal speaker grille 4 to the vehicle interior side R <b> 1 of the door trim 2. On the outer peripheral side of the speaker grill 4, a plurality of locking claws 8 projecting toward the surface d2 side outside the passenger compartment are provided. The locking claws 8 may be formed by cutting the outer periphery of the speaker grill 4 and partially bending it, or by welding, screwing, or the like on the outer surface d2 of the speaker grill 4 in the passenger compartment. You may make it provide by joining.

  A contact portion 11 is provided on the outer peripheral side of the sound output opening 3 of the door trim 2 so that the speaker grill 4 can be brought into contact with the surface d2 side outside the passenger compartment. The abutting portion 11 is arranged so that a portion outside the locking claw 8 (that is, the centrifugal side) abuts in the radial direction on the surface d2 side outside the passenger compartment of the speaker grill 4. Further, the door trim 2 is formed with an insertion hole 9 into which the locking claw 8 can be inserted when the speaker grille 4 is in the first state A1. The insertion hole 9 forms a sound output opening 3.

  Here, in the speaker grille mounting structure 1B, the locking claw 8 is inserted into the insertion hole 9 and the speaker grille 4 is deformed from the first state A1 to the second state A2. The speaker grille is configured such that the outer surface d2 side of the passenger compartment is in contact with the contact portion 11, and the locking claw 8 is tilted and locked to the outer portion of the inner peripheral surface of the insertion hole 9 of the door trim 2. 4 is held in the second state A2. Therefore, according to the speaker grille mounting structure 1B according to the other embodiment, there are substantially the same operations and effects as the speaker grille mounting structure 1A according to the above embodiment.

  In the present invention, the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention depending on the purpose and application. That is, in the above embodiment, the speaker grille 4 in which the vehicle interior side surface d1 has a convex shape in the first state A1 is exemplified, but the present invention is not limited to this, for example, the vehicle interior side surface d1 in the first state A1. It is good also as a speaker grille which becomes substantially planar shape.

  Moreover, in the said Example, although the planar circular speaker grille 4 and the sound output opening 3 were illustrated, it is not limited to this, For example, as a speaker grille and sound output opening of planar elliptical shape, planar polygonal shape, etc. Also good.

  Moreover, in the said Example, although the whole surface d1 of the vehicle interior side of the metal speaker grille 4 was illustrated to the vehicle interior side R1 of the door trim 2, it is not limited to this, For example, metal An outer frame member for design may be provided on the outer peripheral side of the speaker grill 4. Further, the surface d1 on the vehicle interior side of the metal speaker grill 4 may be subjected to etching or the like.

  Furthermore, in the said Example, although the door trim 2 was illustrated as an interior material, it is not limited to this, For example, you may employ | adopt ceiling materials, a pillar garnish, a dashboard, an instrument panel, a console box, a sun visor, etc. .

  The foregoing examples are for illustrative purposes only and are not to be construed as limiting the invention. Although the invention has been described with reference to exemplary embodiments, it is to be understood that the language used in the description and illustration of the invention is illustrative and exemplary rather than limiting. As detailed herein, changes may be made in its form within the scope of the appended claims without departing from the scope or spirit of the invention. Although specific structures, materials and examples have been referred to in the detailed description of the invention herein, it is not intended to limit the invention to the disclosure herein, but rather, the invention is claimed. It covers all functionally equivalent structures, methods and uses within the scope.

  The present invention is not limited to the embodiments described in detail above, and various modifications or changes can be made within the scope of the claims of the present invention.

  In addition to passenger cars, buses, trucks, etc., it is widely used as a technique for attaching metal speaker grills to interior materials of vehicles such as trains, trains and other railway vehicles, construction vehicles, agricultural vehicles, industrial vehicles and the like.

  1A, 1B; Speaker grille mounting structure, 2; Door trim (interior material), 3; Sound output opening, 4; Speaker grille, 8; Locking claw, 9; Insertion hole, 11; State, A2; second state, d1, vehicle interior side surface, d2: vehicle exterior surface, R1, door trim interior, R2, door trim exterior.

Claims (4)

A speaker grille mounting structure for attaching a metal speaker grill to the interior material so as to cover a sound output opening formed in the interior material of the vehicle,
The speaker grill is formed in a plate shape that can be deformed into a first state in which the surface on the vehicle interior side is convex or planar and a second state in which the surface on the vehicle interior side is concave,
On the outer peripheral side of the speaker grille, there are provided a plurality of locking claws protruding toward the surface side outside the passenger compartment,
The locking claw can tilt toward the outside of the speaker grill when the speaker grill is deformed from the first state to the second state.
On the outer peripheral side of the sound output opening of the interior material, a contact portion is provided on which the outer surface of the speaker grill can be contacted,
The interior material is formed with an insertion hole through which the locking claw can be inserted when the speaker grill is in the first state.
In the state where the locking claw is inserted through the insertion hole and the speaker grill is deformed from the first state to the second state, the surface side of the speaker grill outside the vehicle compartment is the contact portion. The speaker grille is held in the second state by the locking claws tilting and being locked to the inner peripheral surface of the insertion hole of the interior material. Grill mounting structure.   The speaker grille mounting structure according to claim 1, wherein the locking claw is formed in a tongue shape extending from an outer peripheral edge of the speaker grill.   The speaker grille mounting structure according to claim 1 or 2, wherein the contact portion is formed in an annular shape so as to surround the sound output opening.   The speaker according to any one of claims 1 to 3, wherein the abutting portion is arranged so that a portion inside the locking claw abuts on a surface side of the speaker grille outside the cabin. Grill mounting structure.

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