JP6677374B2 - In-vehicle unit mounting structure - Google Patents

Description

  The present invention relates to an on-vehicle unit mounting structure.

BACKGROUND ART Conventionally, there is a speaker unit mounting structure for mounting a speaker unit in an opening formed in a plate-shaped member such as a car door (Patent Document 1).
The speaker unit mounting structure described in Patent Literature 1 mounts a speaker unit on a plate-like member by sandwiching the plate-like member between a flange provided on a speaker unit holding member and an annular fixing member.
Then, the speaker unit holding member holding the speaker unit is embedded in the opening of the plate-like member, and an annular fixing member made of rubber or the like is fitted on the outer periphery of the speaker unit holding member so as to shrink toward the center of the diameter. An attachment method is adopted in which it is made to act to hold it in close contact.
However, there has been a demand for making the mounting structure simpler so that a vehicle-mounted unit such as a speaker unit can be easily mounted in the opening.
Further, in such a speaker unit mounting structure, when a force is applied from the outside of the vehicle compartment to the interior of the vehicle compartment, the speaker unit holding member may deviate to the interior of the vehicle compartment together with the speaker unit.

JP-A-5-95594

  The present invention has been made in view of the above problems, and has an object to provide an on-vehicle unit mounting structure that has a simple structure, is easy to mount the on-vehicle unit to the trim, and does not easily deviate from the on-vehicle unit. And

In order to achieve the above object, the following configuration is grasped.
(1) The on-vehicle unit mounting structure of the present invention is an on-vehicle unit mounting structure for mounting the on-vehicle unit to a trim in a vehicle compartment, the trim having a trim opening, a mounting ring mounted on the trim opening, And an on-vehicle unit attached to an attachment ring, the attachment ring having a trim engagement portion for engaging with the trim opening and an on-vehicle unit engagement portion for engaging with the on-vehicle unit.

(2) In the configuration of the above (1), the mounting ring has a snap engagement piece extending toward the outside of the vehicle interior of the trim opening, and the snap engagement piece is mounted on the vehicle from the vehicle interior side. When fitted into the trim opening toward the outside of the room, it is elastically deformed toward the center of the trim opening, and when further fitted, the elastic deformation returns and engages with the trim opening to engage with the snap engagement. The mating piece is elastically deformed in a direction away from the center of the trim opening when the on-vehicle unit is fitted between the snap engagement pieces from the outside of the vehicle toward the interior of the vehicle, and further fitted. And the elastic deformation returns to engage the vehicle-mounted unit.

(3) In the configuration of the above (1) or (2), the attachment ring has a snap engagement piece extending toward the outside of the cabin of the trim opening, and the trim engagement portion is provided with a vehicle. The vehicle-mounted unit engaging portion includes a trim-engaging surface formed toward the vehicle interior and a trim-regulating surface formed toward the vehicle exterior, wherein the vehicle-mounted unit engaging portion is formed toward the vehicle interior. And the on-vehicle unit regulating surface formed toward the outside of the cabin. The trim engagement surface and the on-vehicle unit engagement surface are formed on the snap engagement piece.

(4) In the configuration of the above (3), the mounting ring has a snap engagement piece extending toward the outside of the cabin of the trim opening, and the snap engagement piece is provided on the trim opening. A first claw portion and a second claw portion extending side by side along a central axis; and a connecting portion for connecting the first claw portion and the second claw portion. The second claw portion has the trim engagement surface, and the connecting portion has the vehicle unit engagement surface.

(5) In any one of the constitutions (1) to (4), the mounting ring may be provided at substantially equidistant positions along a peripheral edge of the snap ring so as to extend toward a vehicle exterior side of the trim opening. It has three or more pieces.

(6) In any one of the constitutions (1) to (5), the mounting ring has a snap engagement piece extending toward the outside of the cabin of the trim opening, and the trim includes the trim. It has a plurality of guide pieces extending behind the trim opening and arranged along the periphery of the trim opening, and the trim opening is provided between the adjacent guide pieces and the snap engagement piece. A notch is provided for engaging and positioning the mounting ring in the circumferential direction.

(7) In the configuration of (6), the snap engagement piece and the guide piece are located substantially concentric with the center of the trim opening.

  According to the present invention, it is possible to provide a vehicle-mounted unit mounting structure that has a simple structure, allows the vehicle-mounted unit to be easily mounted on the trim, and prevents the vehicle-mounted unit from easily deviating.

It is the figure which looked at the speaker unit mounting structure provided in the door trim from the vehicle interior side. It is the figure which looked at the speaker unit mounting structure provided in the door trim from the vehicle cabin outside. It is an enlarged view of the speaker unit mounting structure seen from the vehicle interior side. FIG. 4 is an enlarged view of the speaker unit mounting structure as viewed from the outside of the cabin. It is the perspective view of the speaker unit attachment structure seen from the vehicle interior outside. FIG. 3 is an enlarged perspective view of the speaker unit mounting structure as viewed from the outside of the vehicle compartment. (A) is a perspective view of the speaker unit viewed from the outside of the vehicle compartment, (b) is a perspective view of a door trim viewed from the outside of the vehicle compartment, and (c) is a perspective view of a mounting ring viewed from the outside of the vehicle compartment. It is. FIG. 6 is a sectional view taken along the arrow A in FIG. FIG. 6 is a cross-sectional view taken along the arrow B in FIG. 5 and is an explanatory diagram of a speaker unit engaging portion. FIG. 6 is a cross-sectional view taken along the arrow C in FIG. 5 and is an explanatory diagram of a guide piece. It is explanatory drawing which shows the situation which attaches a mounting ring with respect to a door trim. It is explanatory drawing which shows the state in which the snap engagement piece is elastically deformed inside. It is an explanatory view showing a situation where a speaker unit is attached to an attachment ring. It is explanatory drawing which shows the state in which the snap engagement piece is elastically deformed outside. It is explanatory drawing which shows a speaker unit mounting structure.

(Embodiment)
Hereinafter, an embodiment for implementing the present invention (hereinafter, this embodiment) will be described in detail with reference to the drawings.
In the following description, a speaker unit mounting structure will be described as an example of a vehicle-mounted unit mounting structure. However, the present invention is not limited to this, and other vehicle-mounted units, such as a lighting unit mounting structure for mounting a lighting unit, may be mounted. An on-vehicle unit mounting structure may be used. In the following description, with reference to the trim opening 10a, the center axis side of the trim opening 10a may be called the inside, and the side away from the center axis of the trim opening 10a may be called the outside.

  FIG. 1 is a view of a speaker unit mounting structure 100 provided on a door trim 10 as viewed from the vehicle interior side. FIG. 2 is a diagram of the speaker unit mounting structure 100 provided on the door trim 10 as viewed from the outside of the cabin. FIG. 3 is an enlarged view of the speaker unit mounting structure 100 as viewed from the vehicle interior side. FIG. 4 is an enlarged view of the speaker unit mounting structure 100 viewed from the outside of the cabin. FIG. 5 is a perspective view of the speaker unit mounting structure 100 as viewed from the outside of the cabin. FIG. 6 is an enlarged perspective view of the speaker unit mounting structure 100 as viewed from the outside of the cabin. 7A is a perspective view of the speaker unit 20 viewed from the outside of the vehicle compartment, FIG. 7B is a perspective view of the door trim 10 viewed from the outside of the vehicle compartment, and FIG. FIG. 4 is a perspective view of the mounting ring 30 as viewed from above. FIG. 8 is a cross-sectional view taken along the arrow A in FIG. FIG. 9 is a sectional view taken along the arrow B in FIG. 5 and is an explanatory diagram of the speaker unit engaging portion S. FIG. 10 is a sectional view taken along the arrow C in FIG.

  As shown in FIGS. 1 and 2, a speaker unit mounting structure 100 for mounting a speaker unit 20 which is an in-vehicle unit is provided on a part of a door trim 10 which is a trim in a vehicle cabin.

  As shown in FIGS. 3 and 4, the speaker unit mounting structure 100 has a speaker unit 20 provided inside a trim opening 10 a of a door trim 10, and a mounting ring is provided at a boundary between the trim opening 10 a and the speaker unit 20. 30 are provided. The surface of the mounting ring 30 on the vehicle interior side is a design surface on which the texture is emphasized or decorated, and the speaker unit 20 is exposed on the vehicle interior side. When the speaker unit mounting structure 100 is viewed from the vehicle interior side, the presence of the speaker unit 20 is distinguished by the mounting ring 30, and the appearance is good.

  As shown in FIGS. 5 and 6, the speaker unit mounting structure 100 (vehicle unit mounting structure) includes a mounting ring 30 mounted on the trim opening 10 a of the door trim 10 and a speaker unit 20 (vehicle unit mounted) mounted on the mounting ring 30. ). The attachment ring 30 has a trim engaging portion T for engaging with the trim opening 10a and a speaker unit engaging portion S (vehicle unit engaging portion) for engaging with the speaker unit 20.

  Since the attachment ring 30 has the trim engagement portion T and the speaker unit engagement portion S, the speaker unit engagement portion S can be connected via the attachment ring 30 without the need for additional fasteners such as fasteners and screws. , Can be attached to the trim engaging portion T. The trim engaging portion T and the speaker unit engaging portion S will be described later in detail.

  Next, the door trim 10, the speaker unit 20, and the mounting ring 30 will be described in order.

(Door trim)
As shown in FIG. 1, the door trim 10 is a lining panel of a vehicle door, and is a member facing the interior space of the vehicle. The door trim 10 has a function of decorating the surface on the vehicle interior side to improve the design, and a function of protecting an occupant against a side collision. The door trim 10 includes, for example, a resin base material, a urethane pad layer, and a skin, and is formed by laminating each of them.

  The door trim 10 has a trim opening 10a for disposing the speaker unit 20 at a desired location. In the present embodiment, the trim opening 10a is provided at the upper front of the door trim 10.

FIG. 7B is a perspective view of the door trim 10 viewed from the outside of the passenger compartment.
As shown in FIG. 7 (b), the door trim 10 extends substantially parallel to the center axis of the trim opening 10a behind the trim opening 10a, and extends along the periphery of the trim opening 10a. 7B, four guide pieces 11 arranged at substantially equal intervals.

  The trim opening 10a has a substantially circular shape, and is provided between the adjacent guide pieces 11 and 11 to engage with a snap engagement piece 35 (not shown), which will be described later, and to position the mounting ring 30 in the circumferential direction. The number of cutouts 12 corresponds to the number of pieces 35 (three in FIG. 7B).

  The cutout portion 12 is a portion that is partially cut out in an arc shape (fan shape) along the periphery of the trim opening 10a. In the present embodiment, the central angle of the arc is about 40 degrees. Therefore, by setting the circumferential dimension of the snap engagement piece 35 to be equal to the length of the arc of the notch 12, the circumferential movement of the mounting ring 30 fitted into the trim opening 10a can be regulated, and the backlash can be reduced. Can be suppressed.

As shown in FIG. 8, the notch 12 has a front side surface 12 </ b> R on the inner peripheral edge thereof, which is in contact with the trim regulating surface 34 </ b> T of the trim engaging portion T of the mounting ring 30 so as to face the trimming surface 34 </ b> T.
In addition, the notch portion 12 has a rear side surface 12r on the inner peripheral edge, which is in contact with the trim engagement surface 35T of the trim engagement portion T of the attachment ring 30 so as to face the trim engagement surface 35T. As described above, the door trim 10 has the front side surface 12R and the rear side surface 12r provided at the inner peripheral edge of the notch 12 with a space corresponding to the space between the trim regulating surface 34T and the trim engagement surface 35T of the mounting ring 30. Therefore, the notch 12 is sandwiched by the trim engagement portion T of the attachment ring 30 without rattling.

  In a state where the snap engagement piece 35 is engaged with the notch portion 12, as shown in FIG. 4, the snap engagement piece 35 and the guide piece 11 are positioned substantially concentric with the center of the trim opening 10a. I do. By doing so, especially the dimension in the radial direction can be reduced, and the whole can be made compact. Therefore, space saving can be achieved and interference with other functional components can be reduced, so that the degree of freedom in designing the door structure is improved. At the same time, the weight can be reduced.

  Returning to FIG. 7B, the guide piece 11 will be described. The guide piece 11 includes a main wall 11m and side walls 11s provided on both sides of the main wall 11m. The guide piece 11 has a substantially U-shaped cross-section in the extending direction (the central axis of the trim opening 10a). The main wall 11m is provided so as to intersect a plane parallel to the central axis passing through the central axis of the trim opening 10a, and the side wall 11s is substantially parallel to a plane parallel to the central axis passing through the central axis of the trim opening 10a. It is provided as follows. For this reason, rigidity in the direction in which the guide piece 11 bends from the inside to the outside is ensured.

  The side wall 11s is inclined at least on the central axis side of the trim opening 10a at a portion farthest from the trim opening 10a so that the distance from the central axis of the trim opening 10a increases as the distance from the trim opening 10a increases. (See FIG. 10).

  The tapered surface 11t guides the speaker unit 20 in a direction in which the center axis of the trim opening 10a and the center axis of the speaker unit 20 match when the speaker unit 20 is mounted while moving from the outside to the inside of the car. I do.

  The position P of the guide piece 11 closest to the center axis of the trim opening 10a is set so as to coincide with the outer shape of the speaker unit 20 when the speaker unit 20 contacts a speaker unit regulating surface 34S described later. Is done. Thereby, the movement of the speaker unit 20 is restricted by the guide piece 11 at the same time when the speaker unit 20 is engaged with the mounting ring 30. Therefore, it becomes difficult for the speaker unit 20 to deviate from the trim opening 10a.

(Speaker unit)
FIG. 7A is a perspective view of the speaker unit 20 as viewed from the outside of the cabin.
As shown in FIG. 7A, the speaker unit 20 is a unit in which a diaphragm, a magnet, and the like are included in a case, and has a disk-like overall shape. A wiring connector and the like are appropriately provided outside the vehicle compartment of the speaker unit 20.

As illustrated in FIG. 9, the speaker unit 20 has, on the outer peripheral edge, an engagement claw 21 that engages with the speaker unit engagement surface 35S of the speaker unit engagement portion S of the attachment ring 30.
The plurality of (for example, three) engaging claws 21 are provided at intervals along the outer peripheral edge of the speaker unit 20 so as to protrude toward the outer peripheral side.
The engagement claw 21 has an engagement surface 21 </ b> R on the back side surface, which is in contact with the speaker unit engagement surface 35 </ b> S so as to be in contact therewith.

  In addition, the engagement claw 21 has a tapered surface 21t that is inclined inward from the back surface side to the front surface side of the speaker unit 20. Thereby, when the speaker unit 20 is fitted between the plurality of snap engagement pieces 35, the snap engagement pieces 35 can be elastically deformed without generating abrupt resistance, and the center of the speaker unit 20 is trimmed. The guide can be smoothly inserted while being guided to the center of the portion 10a.

Further, the speaker unit 20 has, on the outer peripheral edge, an annular regulating portion 22 that engages with the speaker unit regulating surface 34S of the speaker unit engaging portion S of the mounting ring 30.
The restricting portion 22 has an annular flat restricting surface 22R on the front side, and abuts such that the restricting surface 22R and the speaker unit restricting surface 34S face each other.

  The distance between the engaging surface 21R of the engaging claw 21 and the restricting surface 22R of the restricting portion 22 is equal to the distance between the speaker unit engaging surface 35S and the speaker unit restricting surface 34S in the speaker unit engaging portion S. ing. At the same time as the engagement surface 21R of the engagement claw 21 contacts the speaker unit engagement surface 35S of the attachment ring 30, the regulation surface 22R of the regulation part 22 contacts the speaker unit regulation surface 34S of the attachment ring 30. Therefore, the speaker unit 20 is sandwiched by the speaker unit engaging portion S of the mounting ring 30 without rattling.

(Mounting ring)
FIG. 7C is a perspective view of the mounting ring 30 as viewed from the outside of the vehicle compartment.
Hereinafter, the mounting ring 30 will be described with reference to FIGS. 7 (c), 8 and 9, and the trim engaging surface 35T and the speaker unit engaging surface 35S will also be described.
As shown in FIG. 7 (c), the mounting ring 30 has an annular ring body 34, and extends from the ring body 34 to the outside of the cabin of the mounting ring opening 30a with respect to the center axis of the mounting ring opening 30a. It has a snap engagement piece 35 extending substantially in parallel.

  The attachment ring 30 has three or more snap engagement pieces 35 at substantially equal intervals along the periphery of the ring body 34. By supporting the speaker unit 20 at three or more fulcrums by the snap engagement pieces 35, the speaker unit 20 can be stably and reliably held. In addition, as long as the speaker unit 20 can be stably held, the arrangement intervals of the snap engagement pieces 35 do not have to be equal.

  The mounting ring 30 has a trim engaging portion T for engaging with the trim opening 10a and a speaker unit engaging portion S for engaging with the speaker unit 20.

As shown in FIG. 8, the trim engagement portion T includes a trim engagement surface 35T formed toward the inside of the vehicle compartment and a trim regulating surface 34T formed toward the outside of the vehicle compartment.
As shown in FIG. 9, the speaker unit engaging portion S includes a speaker unit engaging surface 35S formed toward the inside of the vehicle compartment and a speaker unit regulating surface 34S formed toward the outside of the vehicle compartment.
The trim engagement surface 35T and the speaker unit engagement surface 35S are respectively formed on the snap engagement pieces 35.

  When the snap engagement piece 35 is fitted into the trim opening 10a (see FIG. 7B) from the inside of the vehicle compartment to the outside of the vehicle compartment, the snap engagement piece 35 receives a reaction force from the inner peripheral edge of the trim opening 10a. Then, it is elastically deformed inward toward the center axis of the trim opening 10a (the center axis of the mounting ring opening 30a) (see FIG. 12), and when it is further fitted, the elastic deformation returns to engage with the trim opening 10a. I do.

  Further, when the speaker unit 20 is fitted between the snap engagement pieces 35 from the outside of the vehicle compartment to the inside of the vehicle compartment, the snap engagement pieces 35 receive a reaction force from the speaker unit 20 and receive the trim opening. It elastically deforms outward in the direction away from the central axis of 10a (the central axis of the mounting ring opening 30a), and when it is further fitted, the elastic deformation returns to engage with the engaging claws 21 of the speaker unit 20. As described above, the direction in which the snap engagement piece 35 elastically deforms when the speaker unit 20 is fitted is the same as the direction in which the snap engagement piece 35 elastically deforms when the snap engagement piece 35 is fitted into the trim opening 10a. Is reversed.

  More specifically, the snap engagement piece 35 includes a first claw 35L and a second claw 35R extending side by side along the central axis of the trim opening 10a, a first claw 35L and a second claw 35R. And a connecting portion 35J that connects the two.

  The first claw 35L and the second claw 35R have a trim engagement surface 35T, and the connecting portion 35J has a speaker unit engagement surface 35S.

  By holding the trim opening 10a between the trim engagement surface 35T and the trim regulating surface 34T, the attachment ring 30 is attached to the door trim 10.

  The speaker unit 20 is attached to the attachment ring 30 by sandwiching the speaker unit 20 between the speaker unit engaging surface 35S and the speaker unit regulating surface 34S.

(Installation method)
Hereinafter, an example of a method of installing the speaker unit mounting structure 100 on the door trim 10 will be described with reference to FIGS. 11 to 15.
FIG. 11 is an explanatory diagram showing a situation where the attachment ring 30 is attached to the door trim 10. FIG. 12 is an explanatory diagram showing a state in which the snap engagement pieces 35 are elastically deformed inward. FIG. 13 is an explanatory diagram illustrating a situation in which the speaker unit 20 is attached to the attachment ring 30. FIG. 14 is an explanatory diagram illustrating a state in which the snap engagement pieces 35 are elastically deformed outward. FIG. 15 is an explanatory diagram showing the speaker unit mounting structure 100. 13 and 14, the right side shows a cross section of the trim engaging portion T (a cross section in the direction of arrow A in FIG. 5), and the left side shows a cross section of the speaker unit engaging portion S (a cross section in the direction of arrow B in FIG. 5). Show.

(1) First, a substantially circular trim opening 10a having a number (three in this example) of notches 12 corresponding to the number of snap engagement pieces 35 at a desired position of the door trim 10 (see FIG. 1). (See FIG. 7B).

(2) Next, as shown in FIG. 11, the mounting ring 30 is moved from the vehicle interior side to the vehicle exterior side, and fitted into the trim opening 10a. At this time, the mounting ring 30 is rotated to adjust the positions of the snap engagement pieces 35 and the notches 12 in the circumferential direction. The snap engagement pieces 35 move while making contact with the inner peripheral edge of the notch 12 provided in the trim opening 10a, and the plurality of snap engagement pieces 35 are fitted into the notch 12. .

(3) When the plurality of snap engagement pieces 35 are fitted into the cutouts 12 provided in the trim opening 10a, the snap engagement pieces 35 are inserted into the cutouts 12 as shown in FIG. Upon receiving a reaction force from the peripheral edge, it is elastically deformed inward in a direction (arrow direction in the drawing) approaching the central axis of the trim opening 10a (the central axis of the mounting ring opening 30a).

(4) When further fitting is performed, as shown in FIG. 13, at the same time when the trim regulating surface 34T comes into contact with the front side surface 12R, the elastic deformation of the snap engagement piece 35 returns, and the trim engagement of the snap engagement piece 35 is performed. The mating surface 35T engages with the rear side surface 12r of the notch 12 so as to face the rear surface 12r. Then, the snap engagement piece 35 engages with the notch 12 (the trim opening 10a). In this state, the mounting ring 30 is positioned and held in both the circumferential direction and the central axis direction of the trim opening 10a with respect to the door trim 10 (see FIG. 8 for details).

(5) Next, as shown in FIG. 13, the speaker unit 20 is moved from the outside of the vehicle compartment to the interior of the vehicle compartment, and fitted into the mounting ring 30. At this time, the speaker unit 20 is rotated to adjust the snap engagement pieces 35 and the engagement claws 21 so that the circumferential positions thereof are aligned. Then, the speaker unit 20 is moved while the engaging claws 21 are in contact with the snap engaging pieces 35, and the speaker units 20 are fitted into the plurality of snap engaging pieces 35.

(6) When the speaker unit 20 is fitted between the snap engagement pieces 35 from the outside of the vehicle compartment toward the interior of the vehicle compartment, the snap engagement pieces 35 are opposed to each other from the speaker unit 20 as shown in FIG. Under the force, it is elastically deformed outward in the direction away from the central axis of the trim opening 10a (the central axis of the mounting ring opening 30a) (the direction of the arrow in the figure).

(7) When the speaker unit 20 is further fitted, as shown in FIG. 15, the elastic deformation of the snap engagement piece 35 returns at the same time as the regulating surface 22R comes into contact with the speaker unit regulating surface 34S, and the speaker unit 20 Are engaged with each other so that the engagement surface 21R of the engagement claw 21 faces the speaker unit engagement surface 35S of the snap engagement piece 35. Then, the speaker unit 20 engages with the mounting ring 30.

  In this manner, the speaker unit mounting structure 100 can be easily provided on the door trim 10 of the vehicle.

(Action)
Hereinafter, the operation of the speaker unit mounting structure 100 will be described mainly with reference to FIGS. 8, 10, and 15.
As shown in FIG. 15, in a state where the speaker unit 20 is attached to the door trim 10 via the attachment ring 30 when the occupant directly touches the speaker unit 20 or receives an impact or vibration, the speaker unit 20 is An external force acts in a direction substantially perpendicular to the center axis direction of the trim opening 10a. When the speaker unit 20 moves in a direction substantially perpendicular to the center axis of the trim opening 10a due to the external force, the snap engagement pieces 35 are elastically deformed outward, and the snap engagement pieces 35 and the speaker unit 20 are moved. May be disengaged. However, the movement of the speaker unit 20 in the direction substantially perpendicular to the center axis direction of the trim opening 10a is restricted by the guide piece 11 which is in contact with the outer peripheral edge (see FIG. 10). Therefore, the speaker unit 20 can be prevented from deviating from the attachment ring 30.

  Further, when the speaker unit 20 moves in a direction substantially perpendicular to the center axis of the trim opening 10a due to the external force as described above, the snap engagement pieces 35 are elastically deformed inward, and the snap ring 35 There is a possibility that the engagement with the trim opening 10a may be released. However, the inward elastic deformation of the snap engagement piece 35 is limited by the speaker unit 20 close to the inner edge of the snap engagement piece 35 (see FIG. 8). Therefore, the attachment ring 30 can be prevented from deviating from the trim opening 10a.

  As described above, the snap engagement piece 35 of the mounting ring 30, the trim opening 10a of the door trim 10, and the engagement claw 21 of the speaker unit 20 cooperate with each other. Therefore, the speaker unit 20 can be easily attached to the door trim 10, and an in-vehicle unit attachment structure in which the speaker unit 20 does not easily deviate can be provided.

  As described above, the preferred embodiment of the present invention has been described in detail. However, the vehicle-mounted unit mounting structure according to the present invention is not limited to the above-described embodiment, but may fall within the scope of the present invention described in the appended claims. Various modifications and changes are possible.

  According to the present invention, the vehicle-mounted unit mounting structure includes a trim having a trim opening, a mounting ring mounted on the trim opening, and a vehicle-mounted unit mounted on the mounting ring, and the mounting ring has a trim opening. Since it has a trim engaging portion for engaging and an on-vehicle unit engaging portion for engaging with the on-vehicle unit, a simple structure can be achieved without requiring additional fastening parts in addition to the mounting ring. Therefore, the process of attaching the in-vehicle unit can be shortened, and the unit can be easily attached. Also, the in-vehicle unit is housed inside the mounting ring, and the in-vehicle unit restricts the mounting ring from being elastically deformed inward. The in-vehicle unit or mounting ring does not easily deviate from the part.

  According to the present invention, the mounting ring has a snap engagement piece extending toward the outside of the vehicle interior of the trim opening, and the snap engagement piece is provided with the trim opening from the vehicle interior side to the vehicle exterior side. When it is fitted into the trim opening, it elastically deforms toward the center of the trim opening, and when it is further fitted, the elastic deformation returns and engages with the trim opening. When it is inserted between the snap engagement pieces inward, it is elastically deformed in the direction away from the center of the trim opening, and when it is further inserted, the elastic deformation returns, and it engages with the vehicle-mounted unit. The movement of each part at the time can be made only in a straight line, and the in-vehicle unit can be easily attached to the trim opening without requiring complicated movement.

  According to the present invention, the trim engagement portion includes a trim engagement surface formed toward the vehicle interior and a trim regulation surface formed toward the exterior of the vehicle interior. The vehicle includes an in-vehicle unit engaging surface formed toward the inside and an in-vehicle unit regulating surface formed toward the outside of the cabin. The trim engaging surface and the in-vehicle unit engaging surface are formed on snap engagement pieces. In addition, the snap engagement pieces serve also as engagement with different objects, and the engagement surfaces with the different objects are combined into the snap engagement pieces, so that the structure becomes rational.

  According to the present invention, the snap engagement piece connects the first claw and the second claw with the first and second claws extending side by side along the central axis of the trim opening. And the connecting portion has a trim engaging surface, and the connecting portion has an in-vehicle unit engaging surface, so that the basic structure of the snap engaging piece is a plate piece. In which holes are provided, and the production by molding is simplified.

  According to the present invention, the mounting ring has a snap engagement piece that extends toward the outside of the cabin of the trim opening, and the mounting ring is located at substantially equal intervals along the periphery. , The vehicle-mounted unit can be supported at three or more fulcrums by the snap engagement pieces, and the vehicle-mounted unit can be stably and reliably held.

  According to the present invention, the trim extends behind the trim opening and includes a plurality of guide pieces arranged along the periphery of the trim opening. Even if the onboard unit attempts to move, the guide piece restricts the movement of the onboard unit. Therefore, as long as the in-vehicle unit does not move, the mounting ring does not deform, so that the in-vehicle unit hardly deviates from the mounting ring. In addition, when the vehicle-mounted unit is mounted, the guide piece guides the movement of the vehicle-mounted unit, so that the positioning is easy and the mounting is easy.

  According to the present invention, the trim opening has a notch between the adjacent guide pieces that engages with the snap engagement piece in the central axis direction and positions the mounting ring in the circumferential direction. , And the trim is positioned and held in both the circumferential direction and the central axis direction of the trim opening. Thereby, the in-vehicle unit can be securely held against the trim without rattling.

  According to the present invention, the mounting ring has a snap engagement piece extending toward the outside of the cabin of the trim opening, and the trim extends behind the trim opening and extends around the periphery of the trim opening. A plurality of guide pieces are arranged along the same, and the trim opening has a notch between adjacent guide pieces that engages with the snap engagement piece and positions the mounting ring in the circumferential direction. The engagement piece, the guide piece, and the notch cooperate to reliably hold the in-vehicle unit without rattling, and to prevent the vehicle unit from deviating from the trim even when an external force acts on the in-vehicle unit.

  According to the present invention, since the snap engagement piece and the guide piece are located substantially concentrically with respect to the center of the trim opening, the size of the vehicle-mounted unit mounting structure can be made compact and the space behind the trim can be reduced. Space-saving, and the degree of freedom in designing vehicle interior parts can be improved.

100 Speaker unit mounting structure (vehicle unit mounting structure)
Reference Signs List 10 Door trim 20 Speaker unit 30 Mounting ring S Speaker unit engaging part T Trim engaging part

Claims (4)

An on-vehicle unit mounting structure for mounting the on-vehicle unit to a trim in a vehicle compartment,
Said trim having a trim opening,
An attachment ring attached to the trim opening,
And the on-vehicle unit attached to the attachment ring,
The mounting ring,
A trim engaging portion for engaging with the trim opening and a vehicle unit engaging portion for engaging with the vehicle unit;
A snap engagement piece extending toward the outside of the cabin of the trim opening,
The snap engagement piece is elastically deformed toward the center of the trim opening when fitted into the trim opening from the vehicle interior side toward the vehicle exterior side, and the elastic deformation returns when further fitted. Engaging the trim opening,
The snap engagement piece is elastically deformed in a direction away from the center of the trim opening when the vehicle-mounted unit is fitted between the snap engagement pieces from the outside of the vehicle compartment toward the interior of the vehicle compartment, wherein a is fitted elastically deformed returns to engage the vehicle unit,
The trim engagement portion includes a trim engagement surface formed toward the inside of the vehicle compartment and a trim regulating surface formed toward the outside of the vehicle compartment,
The in-vehicle unit engagement portion includes an in-vehicle unit engagement surface formed toward the vehicle interior and an in-vehicle unit regulation surface formed toward the exterior of the vehicle.
The trim engagement surface and the vehicle-mounted unit engagement surface are formed on the snap engagement piece,
The snap engagement piece,
A first claw portion and a second claw portion extending side by side along a central axis of the trim opening;
A connection portion that connects the first claw portion and the second claw portion,
The first claw portion and the second claw portion have the trim engagement surface,
The on-vehicle unit mounting structure , wherein the connecting portion has the on-vehicle unit engagement surface . The mounting ring, vehicle unit mounting structure according to claim 1, in substantially equally spaced positions along the circumference, said snap engagement piece, and having 3 or more. Before SL trim extends on the back side of the trim aperture includes a plurality arranged guide pieces along the periphery of the trim opening,
The trim opening between said guide pieces adjacent to claim 1 or 2, characterized in that it has a notch for the circumferential positioning of the mounting ring while engaging the snap engagement piece In-vehicle unit mounting structure as described. The on-vehicle unit mounting structure according to claim 3 , wherein the snap engagement piece and the guide piece are located substantially concentrically with respect to the center of the trim opening.

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