JP2018131129A - Instrument device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an instrument device provided with a cover structure which can fixedly connect an electric cord located outside a meter in a good and stable manner.SOLUTION: An instrument device includes: display means 10 which displays visual information; a permeable panel 20 which is disposed in front of the display means 10 and causes a user to see the visual information therethrough; a periphery wall member 30 which encloses a space between the display means 10 and the permeable panel 20 in a circumferential direction; an electric component 100 which is disposed at the outer side of the peripheral wall member 30 and connected with a first energization member 101 having a first connection part 102 at a terminal part; a circuit board 70 which is disposed behind the display means 10 and connected with a second energization member 72 having a second connection part 73 at a terminal part; a first cover member 80 disposed behind the circuit board 70 and covering the circuit board 70; and a second cover member 90 which covers the electric component 100 from the opposite side of the peripheral wall member 30 and is fixed to the peripheral wall member 30. The second connection part 73 is attached to the first connection part 102, and the second cover member 90 covers the first energization member 101 and the second energization member 72.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle instrument device (meter) provided with a circuit board, and is connected to, for example, an electric cord connected to a circuit board housed in a case made of synthetic resin and an electric component attached to the case. It is related with the structure which connects with an electrical cord and protects both electrical cords.

  Conventionally, in this type of meter, as disclosed in Patent Document 1, display means for displaying predetermined information to the driver and predetermined information provided in front of the display means to the driver. A transmissive panel that enables see-through, and auditory information providing means that provides the driver with auditory information according to various vehicle conditions, and the auditory information providing means is disposed between the display means and the transmissive panel. The facing member is provided with a speaker, and a sound transmitting portion for transmitting sound emitted from the speaker to the driver side is formed on the transmission panel.

  A circuit board is disposed behind the display means, and the circuit board and the speaker are connected through an electric cord as a connecting member, and the electric cord is led out of the meter from the circuit board side and guided to the outside of the meter. The female connector provided at the end of the cable and the male connector provided at the terminal of the electric cord connected to the speaker, the speaker is connected to the female connector by attaching the male connector to the female connector. What is connected to a circuit board is known.

JP 2006-36096 A

  However, in such a meter, since the electric cord is drawn out and guided to the outside of the meter, the instrument panel and tools are electrically connected during assembly of the meter to the instrument panel of the vehicle and maintenance work around the meter. When the cord is caught, there is a problem that the electric cord is cut or the connector is disconnected. In addition, there is a problem in that abnormal noise is generated when the electric cord or the attached connector portion vibrates due to vehicle vibration or the like and comes into contact with the turning member.

  Accordingly, an object of the present invention has been made in view of the above problems, and is an electrical cord drawn out and guided from the inside to the outside of the meter, and an electrical cord connected to a component externally attached to the outside of the meter. It is an object of the present invention to provide an instrument device provided with a cover structure for an electric cord that can be connected and fixed well and stably.

  In order to achieve the above object, the instrument device 1 according to the present invention includes a display means 10 for displaying visual information, a transmission panel 20 disposed in front of the display means 10 for seeing through the visual information, and the display. A peripheral wall member 30 that surrounds the space between the means 10 and the transmission panel 20 in the circumferential direction, and a first energizing member 101 that is disposed outside the peripheral wall member 30 and has a first connection portion 102 at the end are connected. The electric component 100, the circuit board 70 disposed behind the display means 10 and connected to the second current-carrying member 72 having the second connecting portion 73 at the end, and disposed behind the circuit board 70. A first cover member 80 that covers the circuit board 70; and a second cover member 90 that covers the electrical component 100 from the opposite side of the peripheral wall member 30 and is fixed to the peripheral wall member 30. 73 is The electrical component 100 and the circuit board 70 are electrically connected by being pulled out of the first cover member 80 and attached to the first connection portion 102, and the second cover member 90 is connected to the first cover member 80. The first energizing member 101 and the second energizing member 72 are covered.

  Further, the peripheral wall member 30 or the first cover member 80 includes a fixing piece 35 that fixes the first connection portion 102 or the second connection portion 73.

  Further, the second cover member 90 has a confirmation window 91 having a through hole through which a mounting position between the first connection portion 102 and the second connection portion 73 can be visually recognized.

  In addition, the second cover member 90 includes a pressing portion 92 that holds either the first or second connection portion 102 or 73 between the peripheral wall member 30 or the first cover member 80 inside. Features.

  The first cover member 80 has a first retaining piece 84 that prevents the second connecting portion from coming off, or the peripheral wall member 30 has a second retaining piece 36 that prevents the first connecting portion 102 from coming off. It is characterized by having.

  In addition, one side of the confirmation window 91 is set at the same position as one of the first and second connection parts 102 and 73 in the viewing direction, so that the first and second connection parts 102 are provided. , 73 has a fitting confirmation end face 95 that enables fitting confirmation.

  The peripheral wall member 30 has a communication hole 32 that opens toward the electric component 100 and communicates with the space at a position corresponding to the electric component 100.

  In addition, the electrical component 100 is a visual information providing component that emits light by converting electrical energy into light.

  In addition, the electrical component 100 is an auditory information providing component that emits an electrical signal by changing it into sound.

  Further, the second cover member 90 has a cover communication hole 94 that opens toward the electric component 100 at a position corresponding to the electric component 100.

  According to the present invention, an electric cord drawn and guided from the inside to the outside of a meter and an electric cord connected to a part externally attached to the outside of the meter can be connected and fixed in a good and stable manner. An instrument device provided with a cover structure for an electric cord can be provided.

1 is a schematic plan view of a meter device 1 according to a first embodiment of the present invention. The figure which looked at the instrument apparatus 1 shown in FIG. 1 from diagonally upper back. FIG. 3 is an essential part cross-sectional view along the line AA shown in FIG. 2. The figure which excluded the speaker cover 90 of FIG. The figure which excluded the circuit board 70 and the speaker 100 of FIG. The figure which looked at the speaker cover 90 single item of the embodiment same as the above. The figure which looked at the window part 91 for confirmation of embodiment same as the above from the surface direction. The figure which shows 2nd Embodiment of sectional drawing of FIG.

  Hereinafter, an embodiment of the instrument device 1 for a vehicle of the present invention will be described with reference to FIGS. Moreover, the up-down, left-right, and front-back directions of the instrument device 1 are indicated by arrows in the respective drawings.

  A first embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1, 2, and 3, a display unit 10 that displays visual information, a transmission panel 20 that is disposed in front of the display unit 10 and that allows the visual information to be seen through, and the display unit 10 and the transmission panel 20 A facing member 30 (peripheral wall member) surrounding the space in the circumferential direction, and a speaker-side cord 103 (first energizing member) disposed on the outer side of the facing member 30 and having a male connector 102 (first connecting portion) at the end. ) And a circuit side cord 72 (second energizing member) disposed behind the display means 10 and having a female connector 73 (second connecting portion) at the end. The circuit board 70, the back cover 80 (first cover member) covering the circuit board 70 behind the circuit board 70, and the speaker cover 9 that covers the speaker 100 from the opposite side of the facing member 30 and is fixed to the facing member 30. (Second cover member), and by attaching the female connector 73 and the male connector 102, the speaker 100 and the circuit board 70 are electrically connected, and the speaker cover 90 is connected to the speaker-side cord 101. The circuit side cord 72 is covered.

  As shown in FIG. 1, the display means 10 includes a display panel 50 displayed at the center of the instrument device 1, a speedometer 11 displayed on the right side of the display panel 50, and a tachometer disposed on the left side of the display panel 50. 12 and various indicators 13 arranged in each part.

  1 and 3, the display means 10 includes a display panel 50, a dial plate 40 disposed in front of the display panel 50, a speed indicator 11a disposed in front of the dial plate 40, and an octopus pointer. 12a, a circuit board 70 disposed behind the display panel 50, and a middle case 60 disposed between the dial 40 and the circuit board 70 and supporting the dial 40 and the display panel 50. .

  The display panel 50 includes liquid crystal display means such as a TFT (Thin Film Transistor) module, an organic EL (Electro Luminescence) module, and the like, and displays various information including an odometer, trip meter, fuel gauge, water temperature gauge, and shift position. It is visually recognized from the see-through part 41 of the dial 40. Further, the display panel 50 has an FPC (Flexible Printed Circuits) 51 hanging down from the back surface toward the circuit board 70, and the front end of the FPC is attached to the FPC connector 74 mounted on the back side of the circuit board 70. Energization is enabled, and the above-described various information is displayed based on an input signal from the circuit board 70.

  The speedometer 11 is an analog type instrument that includes a speed indicator 11a made of a synthetic resin and a speed indicator portion 11b having a design formed on the dial 40 and displays the speed of the vehicle. The tachometer 12 is an analog type instrument that includes an octopus pointer 12a made of a synthetic resin and an octopus indicator portion 12b having a design formed on the dial 40 and displays the engine speed. The speed indicator 11a and the speed indicator portion 11b, and the octopus indicator 12a and the octopus indicator portion 12b are each partitioned by a partition wall (not shown) by the middle case 60, and provided on the circuit board 70 inside each partition wall. Light is emitted from a light source (not shown) composed of a light emitting diode (LED).

  The indicator 13 has a design formed on the dial 40 and emits light from a light source including an LED provided on the circuit board 70, and includes an operation lamp 13a for displaying the operation of a device such as a turn lamp or a high beam. In addition, there is a warning lamp 13b that displays a warning when the seat belt is not attached or a small amount of remaining fuel is present. Further, each of the operation lamp 13a and the warning lamp 13b is also partitioned by a middle case 60 by a BOX-shaped partition wall (not shown).

  The transmissive panel 20 is made of a translucent synthetic resin such as transparent PMMA (acrylic) resin, for example, and has a function as a covering member that covers the front of the facing member 30. Further, the transmission panel 20 is configured so that the display means 10 can be visually recognized by the driver. Further, the transmission panel 20 has a plurality of first hooks 21 on the outer periphery, and the first hooks 21 are fixed to the facing member 30 by being fitted into first hook holes 38 provided in the facing member 30.

  The facing member 30 surrounds the space between the display means 10 and the transmissive panel 20 in the circumferential direction, and is made of a synthetic resin such as black PP (polypropylene) resin, for example. The opening 31 exposes the display means 10 to the driver. It has. Further, the facing member 30 has a facing edge portion 33 in which the opening on the display means 10 side extends in an L shape rearward, and the facing edge portion 33 has a plurality of second hooks 39, and the second hook 39 is fitted into the second hook hole 83 provided in the back cover 80, and is fixed to the back cover 80. In this way, the instrument device 1 is formed with a housing by the transmissive panel 20, the facing member 30, and the back cover 80.

  Although not shown in detail, the speaker 100 includes a magnetic circuit, a voice coil, a diaphragm, and a frame. When a current is passed through the voice coil, a force acts on the voice coil, and the diaphragm is interlocked with the movement of the voice coil. It consists of a disk-shaped electrodynamic speaker (cone speaker) that emits sound when it vibrates, and is arranged outside the look-back member 30 to change the sound output signal (electrical signal) into sound and generate sound and warning sound This is a visual information provision component.

  2 to 4, the speaker 100 is disposed on the outer side of the facing member 30 with the disk-shaped surface direction facing the opening 31, and is covered by the speaker cover 90 from the opposite side of the facing member 30. Thus, the speaker cover 90 and the facing member 30 are clamped and fixed. The speaker 100 is connected to a speaker-side cord 101 made of an electric cord having a male connector 102 having a resin rectangular parallelepiped at the end.

  In addition, the facing member 30 has a plurality of elongated communicating holes (communication holes) 32 that are open toward the speaker 100 and communicate with the space inside the opening 31 at a position corresponding to the speaker 100. . When sound is emitted from the speaker 100, sound propagates from the facing communication hole 32 to the space inside the opening 31, vibrates the transmissive panel 20, and can transmit the sound to the driver.

  The dial plate 40 is made of, for example, a transparent resin sheet such as a transparent thin plate-like PC (polycarbonate) resin, and the previously described see-through portion 41, speed indicator portion 11b, octopus indicator portion 12b, and indicator 13 are the dial plate 40. It is formed by printing light-shielding ink on the front and back surfaces of. Further, the dial plate 40 is clamped and fixed between the front turning member 30 and the rear middle case 60.

  The middle case 60 is made of an impermeable synthetic resin such as white PP resin, and is disposed between the dial plate 40 and the circuit board 70 and supports and fixes the dial plate 40 and the display panel 50. Further, the middle case 60 partitions the speed indicator 11a, the speed indicator 11b, the octopus indicator 12a, the octopus indicator 12b, the indicator 13 and the display panel 50 described above with a partition wall (not shown), and leaks the respective illumination light. Is preventing.

  The circuit board 70 is made of a hard circuit board in which a wiring pattern (not shown) is provided on a glass epoxy base material such as FR-4 (Frame Regentant-4). The circuit board 70 includes a driving body (not shown) that rotationally drives the various light sources, the speed pointer 11a, and the octopus pointer 12a, a driving means (not shown) that includes a microprocessor that drives and controls them, and for example, Various circuit components (not shown) such as a resistor and a capacitor are conductively connected to the wiring pattern.

  In addition, the circuit board 70 has an external connection connector 75 exposed from a connector hole 81 provided in the back cover 80, and electrically connects the instrument device 1 and the outside. The circuit-side cord 72 has a female connector 73 having a shape in which two resin large and small rectangular parallelepipeds are combined at the end portion, and a mounting connector 71 having a resin rectangular parallelepiped shape at the opposite end portion. A connector 71 is mounted on the front surface of the circuit board 70. The female connector 73 has a hole into which the male connector 102 is inserted into a first rectangular parallelepiped 73 a that is a larger rectangular parallelepiped of the female connector 73, and a second rectangular solid that is the smaller of the female connector 73. The circuit side cord 72 is connected to the rectangular parallelepiped 73b.

  The back cover 80 is made of an impermeable synthetic resin such as white PP resin, has a box shape with an opening at the front, and houses the display means 10 therein. The back cover 80 has a back cover edge portion 82 extending in an L shape forward from the opening, and the back cover edge portion 82 has a second hook hole at a position corresponding to the second hook 39 of the turning member 30. 83, and the second hook 39 is fitted into the second hook hole 83. Further, as shown in FIG. 4, the back cover 80 has a slit 85 that guides the female connector 73 to the outside of the back cover 80 and guides the circuit side cord 72 at the back cover edge portion 82.

  Further, as shown in FIGS. 2 to 5, the facing member 30 has a connector fixing hook 35 with a barb on the facing edge portion 33, and is guided by being pulled out to the outside of the back cover 80. The first rectangular parallelepiped 73a of the female connector 73 is fixed to the connector fixing hook 35 with the hole into which the male connector 102 is inserted facing forward (toward the speaker 100).

  Further, as shown in FIGS. 4 to 7, the back cover 80 has a first retaining piece 84 that prevents the female connector 73 from coming off from the connector fixing hook 35 at the back cover edge portion 82. The first retaining piece 84 is formed to protrude from the back cover edge portion 82 in a rib shape so as to face the coupling step portion 73c of the first and second rectangular parallelepiped bodies 73a and 73b of the female connector 73 with a slight gap therebetween. Moreover, a pair of second rectangular parallelepiped bodies 73b are provided so as to sandwich the left-right direction.

  By forming the female connector 73 in this way, the vertical direction is regulated by the connector fixing hook 35 and the rear and the horizontal direction are regulated by the first retaining piece 84, so that the speaker 100 is connected to the facing member 30. When the male connector 102 is inserted into and attached to the female connector 73 after mounting, it is not necessary to grasp the female connector 73 by hand, so that assembly can be performed easily and quickly.

  Further, the facing member 30 has a second retaining piece 36 at the facing edge 33 for preventing the connection of the male connector 102 from the female connector 73. The second retaining piece 36 has a retaining slope 36 a that obliquely contacts the lower corner of the cord surface 102 a where the speaker-side cord 101 of the male connector 102 protrudes. The second retaining pieces 36 are provided as a pair in the left-right direction with the speaker-side cord 101 interposed therebetween.

  By forming in this way, when the male connector 102 is inserted into and attached to the female connector 73 fixed to the connector fixing hook 35, the male connector 102 slides on the retaining slope 36a and is female. Since it can be inserted into the connector 73, it can be assembled easily and quickly. By forming in this way, the male connector 102 and the female connector 73 can be easily locked to the connector fixing hook 35 even after the male connector 102 and the female connector 73 are first attached. it can.

  The speaker cover 90 is made of an impermeable synthetic resin such as white PP resin and has a box shape with an open bottom surface. Further, the speaker cover 90 is disposed on the upper side of the instrument device 1 so as to straddle the facing member 30 and the back cover 80, and between the facing member 30, the speaker 100, the speaker-side cord 101, and the circuit side Cover the cord 72. By being formed in this way, the speaker-side cord 101 and the circuit-side cord 72 are attached to the instrument panel and tools when the instrument device 1 is assembled to the instrument panel of the vehicle or when maintenance work around the instrument device 1 is performed. , The speaker side cord 101 and the circuit side cord 72 can be prevented from being cut off and the female connector 73 and the male connector 102 from being detached.

  Further, as shown in FIG. 6, the speaker cover 90 has boss receiving portions 93 having screw through holes 93 a on the left and right sides of the position corresponding to the speaker 100. The facing member 30 has a screw hole 34 a at a position corresponding to the screw through hole 93 a and has a boss portion 34 that abuts the boss receiving portion 93. When the screw 200 is tightened in the screw hole 34 a, the speaker cover 90 is fixed to the facing member 30, and the speaker 100 is sandwiched between the facing member 30 and the speaker cover 90.

  Further, as shown in FIG. 7, the speaker cover 90 is for confirmation that a rectangular through hole is opened at a position corresponding to the connector fixing hook 35 so that the mounting position of the female connector 73 and the male connector 102 can be visually confirmed. A window 91 is provided. Thereby, even after the speaker cover 90 is fixed with the screw 200, it is possible to easily confirm whether the female connector 73 and the male connector 102 are normally connected. The confirmation window 91 is formed such that the first rectangular parallelepiped 73a is completely visible, and the second rectangular parallelepiped 73b is formed to be partially hidden.

  The speaker cover 90 abuts the second rectangular parallelepiped 73b at a position corresponding to the second rectangular parallelepiped 73b of the female connector 73 on the rear side of the confirmation window 91, and sandwiches the second rectangular parallelepiped 73b with the back cover 80. The pressing section 92 having a half-moon-shaped cross section is formed on the inner side. By being formed in this way, the connected male connector 102 and female connector 73 are held and fixed in the vertical direction by the pressing portion 92 and the connector fixing hook 35, and the second retaining piece 36 and the first connector Since the front-rear direction and the left-right direction are held and fixed by the one retaining piece 84, vibration due to vibration of the vehicle or the like can be prevented, and generation of abnormal noise between the turning member 30 and the back cover 80 due to vibration can be prevented. it can.

  The speaker cover 90 has a cover communication hole 94 that opens toward the speaker 100 at a position corresponding to the speaker 100. Thereby, when a sound is emitted from the speaker 100, the sound propagates from the cover communication hole 94 to the space in the instrument panel of the vehicle, and the sound can be transmitted to the driver from the gap between the instrument panel and the instrument device 1. Therefore, a loud sound can be transmitted to the driver by adding to the sound transmitted to the driver by the vibration of the transmission panel 20 described above.

  In addition, the speaker cover 90 partially protrudes from one side of the confirmation window 91 in the direction of looking into the confirmation window 91 (downward), and the protruding surface is at the same position as the cord surface 102 a of the male connector 102. It has the end surface 95 for a fitting confirmation set. Thereby, by comparing the cord surface 102a with the end surface 95 for fitting confirmation, it can be confirmed reliably and easily whether the male connector 102 is normally attached to the female connector 73.

  A second embodiment of the present invention will be described with reference to FIG. In the present embodiment, not the speaker 100 but the second circuit board 300 (electrical component) is disposed on the facing member 30 so as to face the facing member 30, and the second circuit board 300 is opposite to the facing member 30. A second circuit board cover 400 (second cover member) that is fixed to the cover turn-back member 30 is provided.

  The second circuit board 300 is connected to a second circuit side cord 302 (first energization member) made of an electric cord. The second circuit side cord 302 includes a second male connector 303 (first connecting portion) having a resin cuboid at the end portion, a second mounting connector 301 having a resin cuboid at the opposite end portion, The second mounting connector 301 is mounted on the upper surface of the second circuit board 300. The second circuit board 300 and the circuit board 70 are electrically connected by attaching the second male connector 303 to the female connector 73.

  In addition, the second circuit board cover 400 is disposed on the upper side of the instrument device 1 so as to straddle the turning member 30 and the back cover 80, and between the turning member 30, the second circuit board 300, the second circuit side cord 302, and the circuit are arranged. The side cord 72 is covered.

  The second circuit board 300 has a light source 304 composed of a plurality of LEDs mounted on the lower surface. In addition, the facing member 30 opens toward the second circuit board 300 at a position slightly shifted from the light source 304 to the dial plate 40 side, and is a rectangular second facing communication hole that communicates with the space inside the opening 31. 37. When light is emitted from the light source 304, the dial 40 is irradiated with light from the second facing communication hole 37 through the inside of the opening 31, so that cabaret illumination can be obtained. As described above, the second circuit board 300 is a visual information providing component that emits light by changing electrical energy into light.

  Similarly to the speaker cover 90, the second circuit board cover 400 is also fixed to the turn-back member 30 with screws 200, and has a confirmation window portion 91 and a pressing pressure portion 92.

  Although the instrument device 1 of the present invention has been described as an example in the configuration of the above-described embodiment, the present invention is not limited to this, and other configurations do not depart from the gist of the present invention. It goes without saying that various improvements and design changes can be made in the range.

  The present invention relates to an instrument device for a vehicle, and can be applied to, for example, an instrument device for a vehicle that is mounted on a moving body including an automobile, a motorcycle, an agricultural machine, or a construction machine.

DESCRIPTION OF SYMBOLS 1 Instrument apparatus 10 Display means 20 Transmission panel 30 Look-back member (circumferential wall member)
32 Reverse communication hole 32 (communication hole)
35 Connector fixing hook (fixed piece)
36 First retaining piece (Retaining piece)
70 Circuit board 72 Circuit side cord (second energizing member)
73 Circuit side connector (second connection part)
80 Back cover (first cover member)
84 Second retaining piece (Retaining piece)
90 Speaker cover (second cover member)
91 Confirmation window part 92 Pressing part 94 Cover communication hole 95 End face for fitting confirmation 100 Speaker (electric part)
101 Speaker side cord (first energizing member)
102 Speaker side connector (first connection part)
300 Second circuit board (electrical component)

Claims (10)

Display means for displaying visual information;
A transmissive panel disposed in front of the display means and allowing the visual information to be seen through;
A peripheral wall member that circumferentially surrounds a space between the display means and the transmission panel;
An electrical component disposed on the outside of the peripheral wall member and connected to a first energization member having a first connection portion at a terminal portion;
A circuit board disposed behind the display means and connected to a second energization member having a second connection portion at a terminal portion;
A first cover member disposed behind the circuit board and covering the circuit board;
A second cover member that covers the electrical component from the opposite side of the peripheral wall member and is fixed to the peripheral wall member,
The second connection portion is pulled out to the outside of the first cover member and attached to the first connection portion, whereby the electrical component and the circuit board are electrically connected,
The second cover member covers the first energization member and the second energization member.   The instrument device according to claim 1, wherein the peripheral wall member or the first cover member includes a fixing piece that fixes the first connection portion or the second connection portion.   The instrument device according to claim 2, wherein the second cover member has a confirmation window portion having a through hole through which a mounting position between the first connection portion and the second connection portion can be visually recognized.   The said 2nd cover member has a pressing part which clamps either the said 1st, 2nd connection part with the said surrounding wall member or the said 1st cover member inside, The Claim 1 thru | or 3 characterized by the above-mentioned. The instrument device according to any one of the above.   The first cover member has a retaining piece that prevents the second connecting portion from coming off, or a retaining piece that prevents the first connecting portion from coming off on the peripheral wall member. The instrument apparatus in any one of thru | or 4.   One side of the confirmation window is set at the same position as one of the first and second connection parts in the visual recognition direction, so that either one of the first and second connection parts is confirmed to be fitted. The instrument device according to claim 2, further comprising a fitting confirmation end face that enables the fitting.   The instrument device according to any one of claims 1 to 6, wherein the peripheral wall member has a communication hole that opens toward the electrical component and communicates with the space at a position corresponding to the electrical component. .   The vehicular instrument device according to any one of claims 1 to 7, wherein the electric component is a visual information providing component that emits light by converting electric energy into light.   The vehicle instrument device according to any one of claims 1 to 7, wherein the electrical component is an auditory information providing component that emits an electrical signal into sound.   The instrument device according to claim 9, wherein the second cover member has a cover communication hole that opens toward the electric component at a position corresponding to the electric component.

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