JP4343761B2 - Speaker device and holder - Google Patents

Description

  The present application belongs to a technical field of a speaker device configured to be attachable to a plate-like member.

  Conventionally, as an example of this type of speaker device, a speaker configured to be attachable to a fitting member (corresponding to a plate member in the present application) formed in a plate shape is known (for example, a patent). Reference 1).

Specifically, the conventional speaker includes a frame in which a notch is formed, and a screw that is inserted into the notch of the frame and screwed into a nut to fasten the frame to the fitting member.
JP 2001-328490 A (page 3, FIG. 2)

  However, in the above-described conventional speaker device, since the frame is fastened to the fitting member via the washer, the fastening force of the screw is locally added, in other words, a small area, and the frame is firmly fastened. There were circumstances that could not be done.

  Therefore, the present application has been made in view of the above-described circumstances, and as an example of the problem, to provide a speaker device capable of firmly fastening a frame when attached to a plate-like member. Objective.

In order to solve the above-described problem, the speaker device according to claim 1 is configured such that the speaker device is configured to be attachable to the plate-like member, and an inner peripheral portion for housing the sound emitting member and a notch are formed. A frame having an outer peripheral part, a packing having an encircling part surrounding the notch, and joining to the outer peripheral part; and a holder that fits into the encircling part and contacts the outer peripheral part, A holder comprising: a pressure contact portion that presses against the notch; a locking portion that is formed on the pressure contact portion and engages with the notch; and an elongated hole for fastening the frame to the plate-like member via the holder. When, wherein the frame through the elongated hole of the holder has a structure which is characterized that you have been fastened to the plate-like member.

The holder according to claim 2 includes a frame having an inner peripheral portion and the notch outer peripheral portion formed to accommodate the sound member, the notches in the outer peripheral portion has a surrounding portion that surrounds a packing to be joined, a holder configured to be mounted to a speaker device comprising a, is attached to the speaker unit by abutting on the outer circumferential portion as well as fitted to the surrounding portion, and wherein a pressure contact portion for pressing the notch, Ru includes a locking portion for locking said and formed on the pressure contact portion cutout, and a long hole for fastening the frame to the plate member through the holder It has the structure characterized by this.

  The best mode for carrying out the present application will be described below with reference to the drawings. In addition, embodiment described below has shown the embodiment at the time of applying the speaker apparatus based on this application to the vehicle-mounted speaker mounted in vehicles, such as a motor vehicle, for example.

  Specifically, the vehicle-mounted speaker in the present embodiment is a so-called 1-way type cone speaker configured to be attachable to a side door as an example of a plate-like member. In addition, although the vehicle-mounted speaker in the present embodiment is a one-way type cone speaker, the present invention is not limited to this and may be a two-way type cone speaker.

  First, the configuration of the vehicle-mounted speaker according to the present embodiment will be described with reference to FIGS. 1 is a front view of the in-vehicle speaker in the present embodiment, and FIG. 2 is a cross-sectional view of the in-vehicle speaker shown in FIG.

  As shown in FIGS. 1 and 2, the in-vehicle speaker 100 according to the present embodiment includes a frame 110 formed in a disk shape, a sound emitting member 120 provided on the front surface of the frame 110, and a periphery of the sound emitting member 120. , Gaskets 140 provided around the gasket 130, a plurality of (for example, four) holders 150 disposed along the packing 140, and a plurality (for example, four) of fastening members. ) Screws 160 and a magnetic circuit 170 provided on the rear surface of the frame 110.

  The frame 110 has an inner peripheral part that accommodates the sound emitting member 120 and an outer peripheral part in which a plurality of (for example, four) notches 111 are formed. The notch 111 is a circle centered on the central axis of the frame 110. It is arrange | positioned at equal intervals on the circumference.

  The sound emitting member 120 includes a cone 121 formed in a conical shape, a bobbin 122 connected to the inner edge of the cone 121, a voice coil 123 wound around the rear end of the bobbin 122, and a tip of the bobbin 122. And a damper 125 interposed between the frame 110 and the bobbin 122.

  The bobbin 122 is supported by the frame 110 via the damper 125 and is configured to be movable along the central axis of the frame 110. The cone 121 vibrates when the bobbin 122 moves. In addition, the outer edge part (cone edge) of the cone 121 has a function as a suspension connected to the outer peripheral part of the frame 110 so as to vibrate.

  The gasket 130 is made of a resin material formed in an annular shape, and connects the outer edge portion of the cone 121 to the outer peripheral portion of the frame 110.

  The packing 140 is made of an elastic material formed in a flat band shape, and is joined to the outer peripheral portion of the frame 110. In addition, the packing 140 includes a plurality of (for example, four) recesses 141 as an example of an encircling portion that surrounds the notch 111 of the frame 110, and the recess 141 has a circumference centered on the central axis of the frame 110. It is arranged at equal intervals on the top.

  The holder 150 is made of a resin material in which a small hole 151 that communicates with the notch 111 of the frame 110 is formed. The holder 150 is fitted in the recess 141 of the packing 140 and abuts on the outer peripheral portion of the frame 110, whereby the vehicle-mounted speaker 100. It comes to be attached to. The configuration of the holder 150 will be described below.

  The screw 160 is inserted into the small hole 151 of the holder 150 and the notch 111 of the frame 110 and screwed into the screw hole 181, thereby fastening the frame 110 to the side door 180 via the holder 150. (See FIG. 5).

  The magnetic circuit 170 is provided between the top plate 171 and the back plate 172 formed in a disk shape, the pole piece 173 provided at the center of the back plate 172, and the top plate 171 and the back plate 172. The magnetic gap which accommodates the voice coil 123 mentioned above is formed between the top plate 171 and the pole piece 173.

  In the vehicle-mounted speaker 100 configured in this manner, the voice coil 123 is driven when a current indicating an audio signal is supplied, and the bobbin 122 moves along the central axis of the frame 110, so that the cone 121 vibrates. Then, sound waves are output.

  Next, the structure of the holder in this embodiment is demonstrated using FIG.3 and FIG.4. FIG. 3 is an enlarged view of the holder in the present embodiment, and FIG. 4 is a cross-sectional view of the holder in the present embodiment.

  As shown in FIG. 3, the holder 150 in the present embodiment includes a flat plate portion 152 formed in an elliptical shape, and projecting portions 153 and 154 that protrude from the back surface of the flat plate portion 152, and the longitudinal direction of the flat plate portion 152. A small hole 151 extending between the protrusions 153 and 154 is disposed.

  As shown in FIG. 4, the flat surface portion 152 is configured such that the peripheral surface is fitted in the concave portion 141 of the packing 140 and the back surface is in contact with the outer peripheral portion of the frame 110. Thereby, the fastening force of the screw 160 is uniformly, in other words, added to a large area, and the frame 110 can be firmly fastened to the side door 180.

  As shown in FIG. 4, the protruding portion 153 includes a columnar pressure contact portion 155 that presses against the notch 111 of the frame 110 and a claw-shaped locking portion 156 that locks with the notch 111 of the frame 110. Thereby, the holder 150 is temporarily fixed to the frame 110, and the holder 150 can be prevented from falling off.

  Next, the mounting operation of the in-vehicle speaker in this embodiment will be described with reference to FIG. FIG. 5 is a perspective view of the vehicle-mounted speaker in the present embodiment.

  When the vehicle-mounted speaker 100 according to the present embodiment is attached to the side door 180, as shown in FIG. 5, first, the speaker-side wiring and the door-side wiring are connected, and then the inner peripheral portion of the frame 110 is opened to the opening 182. And the outer periphery of the frame 110 is joined to the side door 180. At this time, the holder 150 is temporarily fitted to the frame 110 by fitting the holder 150 into the recess 141 of the packing 140 and press-fitting the protruding portion 153 of the holder 150 into the notch 111 of the frame 110. Next, screws 160 are inserted into the small holes 151 of the holder 150 and the notches 111 of the frame 110 and screwed into the screw holes 181, and the frame 110 is fastened to the side door 180 via the holder 150. Then, an interior member such as a decorative board (not shown) is attached to the side door 180, and the attachment operation is completed.

  As described above, in this embodiment, the in-vehicle speaker 100 is configured such that the in-vehicle speaker 100 is configured to be attachable to the side door 180, and the inner peripheral portion that houses the sound emitting member 120 and the notch 111 are provided. A frame 110 having an outer peripheral portion formed, a packing 140 having a concave portion 141 surrounding the notch 111 of the frame 110 and joining to the outer peripheral portion of the frame 110, and fitting into the concave portion 141 of the packing 140 and the frame 110 And a holder 150 that comes into contact with the outer periphery of the frame 110, and the frame 110 is fastened to the side door 180 via the holder 150.

  With this configuration, in this embodiment, the frame 110 is fastened to the side door 180 via the holder 150, so that the fastening force of the screw 160 is evenly added, that is, a large area is added, and the frame 110 is attached to the side portion. The door 180 can be firmly fastened.

  Further, in the present embodiment, the holder 150 has a configuration characterized in that the holder 150 has a pressure contact portion 155 that is in pressure contact with the notch 111 of the frame 110.

  With this configuration, in this embodiment, the press contact portion 155 of the holder 150 presses against the notch 111 of the frame 110, so that the holder 150 is temporarily fixed to the frame 110, and the holder 150 can be prevented from falling off.

  Further, in the present embodiment, the holder 150 has a configuration characterized by having a locking portion 156 that locks in the notch 111 of the frame 110.

  With this configuration, in this embodiment, since the locking portion 156 of the holder 150 is locked to the notch 111 of the frame 110, the holder 150 is temporarily fixed to the frame 110, and the holder 150 can be prevented from falling off.

It is a front view of the vehicle-mounted speaker in one Embodiment of this application. It is sectional drawing of the vehicle-mounted speaker shown in FIG. It is an enlarged view of the holder in one embodiment of this application. It is sectional drawing of the holder in one Embodiment of this application. It is a perspective view of the vehicle-mounted speaker in one Embodiment of this application.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Car-mounted speaker 110 Frame 111 Notch 120 Sound emitting member 121 Cone 122 Bobbin 123 Voice coil 124 Center cap 125 Damper 130 Gasket 140 Packing 141 Recess 150 Holder 151 Small hole 152 Flat plate part 153, 154 Protruding part 155 Pressing part 156 Locking part 160 Screw 170 Magnetic circuit 171 Top plate 172 Back plate 173 Pole piece 174 Magnet 180 Side door 181 Screw hole 182 Opening

Claims (2)

In the speaker device configured to be attachable to the plate member,
A frame having an inner peripheral portion for accommodating the sound emitting member and an outer peripheral portion in which a notch is formed;
A packing that has an encircling part that encircles the notch and is joined to the outer periphery;
A holder that fits into the surrounding portion and contacts the outer peripheral portion ,
A pressure-contact portion that press-contacts the notch;
A locking portion formed in the pressure contact portion and locked in the notch;
An elongated hole for fastening the frame to the plate-like member via the holder ;
A holder comprising:
With
Speaker device the frame through the elongated hole of the holder is characterized that you have been fastened to the plate-like member. A speaker device comprising: a frame having an inner peripheral portion that houses a sound emitting member and an outer peripheral portion in which a notch is formed; and a packing that has an encircling portion that surrounds the notch and is joined to the outer peripheral portion. A holder configured to be wearable,
It is attached to the speaker device by fitting into the surrounding portion and abutting on the outer peripheral portion, and
A pressure-contact portion that press-contacts the notch;
A locking portion formed in the pressure contact portion and locked in the notch;
An elongated hole for fastening the frame to the plate-like member via the holder;
Holder according to claim Rukoto equipped with.

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