JP6772885B2 - Instrument device - Google Patents

Description

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

Conventionally, in this type of meter, as disclosed in Patent Document 1, a display means for displaying predetermined information to the driver and a display means arranged in front of the display means to give the predetermined information to the driver. It has a transparent panel that enables see-through and an auditory information providing means that provides the driver with auditory information according to various states of the vehicle, and the auditory information providing means is arranged between the display means and the transparent panel. A speaker is provided on the return member, and a sound transmission unit for transmitting the sound emitted from the speaker to the driver side is formed on the transmission panel.

A circuit board is arranged behind the display means, and the circuit board and the speaker are connected to each other through an electric cord which is a connecting member. The electric cord is pulled out from the circuit board side to the outside of the meter and guided. It is composed of a female connector provided at the end of the circuit board and a male connector provided at the end of the electric cord connected to the speaker. By attaching the male connector to the female connector, the speaker can be connected via the electric cord. It is known that it is connected to a circuit board.

Japanese Unexamined Patent Publication No. 2006-36096

However, since such a meter is guided by pulling out the electric cord to the outside of the meter, electricity is applied to the instrument panel and tools when the meter is assembled to the instrument panel of the vehicle or during maintenance work around the meter. There was a problem that the electric cord was cut or the connector was disconnected due to the cord being caught. Further, there is a problem that an abnormal noise is generated when the electric cord or the attached connector portion vibrates due to the vibration of the vehicle and comes into contact with the return member or the like.

Therefore, an object of the present invention has been made in view of the above problems, and an electric cord that is pulled out from the inside side to the outside side of the meter and an electric 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 an electric cord cover structure capable of satisfactorily and stably connecting and fixing.

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 transparent panel 20 arranged 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 transparent panel 20 in the circumferential direction and a first energizing member 101 that is arranged outside the peripheral wall member 30 and has a first connecting portion 102 at the end are connected. The circuit board 70 is connected to the electrical component 100, the second energizing member 72 which is arranged behind the display means 10 and has the second connecting portion 73 at the end, and is arranged behind the circuit board 70. The second connection portion includes 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. The 73 is pulled out to the outside of the first cover member 80 and mounted on the first connecting portion 102 to electrically connect the electric component 100 and the circuit board 70, and the second cover member 90 , 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 is characterized by having a fixing piece 35 for fixing the first connecting portion 102 or the second connecting portion 73.

Further, the second cover member 90 is characterized by having a confirmation window portion 91 having a through hole for visually recognizing the mounting location of the first connection portion 102 and the second connection portion 73.

Further, the second cover member 90 has an inner pressing portion 92 that sandwiches any of the first and second connecting portions 102 and 73 with the peripheral wall member 30 or the first cover member 80. It is a feature.

Further, 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.

Further, one side of the confirmation window portion 91 is set at the same position as one side of any one of the first and second connection portions 102 and 73 in the viewing direction, so that the first and second connection portions 102 , 73 is characterized by having a fitting confirmation end face 95 capable of confirming fitting.

Further, the peripheral wall member 30 is characterized by having 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.

Further, the electric component 100 is a visual information providing component that converts electrical energy into light and emits it.

Further, the electric component 100 is an auditory information providing component that converts an electric signal into a sound and emits it.

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

The present invention satisfactorily and stably connects and fixes an electric cord that is pulled out from the inside side of the meter to the outside side and is connected to a component externally attached to the outside of the meter. It is possible to provide an instrument device provided with a cover structure of an electric cord capable of being provided.

The schematic plan view of the instrument device 1 which concerns on 1st Embodiment of this invention. It is a figure which looked at the instrument device 1 shown in FIG. 1 from the diagonally upper rear view. FIG. 2 is a cross-sectional view of a main part along the line AA shown in FIG. The figure which omitted the speaker cover 90 of FIG. The figure which omitted the circuit board 70 and the speaker 100 of FIG. The figure which looked at the speaker cover 90 single item of the same embodiment from the bottom. The figure which looked at the confirmation window part 91 of the said embodiment from the plane direction. The figure which shows the 2nd Embodiment of the sectional view of FIG.

Hereinafter, embodiments of the instrument device 1 for vehicles of the present invention will be described with reference to FIGS. 1 to 8. Further, the vertical, horizontal, and front-back directions of the instrument device 1 are indicated by arrows in each figure.

The first embodiment of the present invention will be described with reference to FIGS. 1 to 7. As shown in FIGS. 1, 2 and 3, the display means 10 for displaying visual information, the transparent panel 20 arranged in front of the display means 10 for seeing through the visual information, and the display means 10 and the transparent panel 20. A speaker side cord 103 (first energizing member) having a facing member 30 (peripheral wall member) that surrounds the space between them in the circumferential direction and a male connector 102 (first connecting portion) arranged outside the facing member 30 at the end. ) Is connected to the speaker 100 (electrical component) and the circuit side cord 72 (second energizing member) which is arranged behind the display means 10 and has a female connector 73 (second connection portion) at the end. The circuit board 70, the back cover 80 (first cover member) that covers the circuit board 70 behind the circuit board 70, and the speaker cover 90 (first cover member) that covers and fixes the speaker 100 to the back member 30 from the opposite side of the back member 30. The speaker 100 and the circuit board 70 are electrically connected by mounting the female connector 73 and the male connector 102, and the speaker cover 90 is the speaker side cord 101 and the circuit side. It covers the cord 72.

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

Further, as shown in FIGS. 1 and 3, the display means 10 includes a display panel 50, a dial 40 arranged in front of the display panel 50, a speed pointer 11a arranged in front of the dial 40, and an octopus pointer. It is composed of 12a, a circuit board 70 arranged behind the display panel 50, and a middle case 60 arranged between the dial 40 and the circuit board 70 and supporting the dial 40 and the display panel 50. ..

The display panel 50 includes a liquid crystal display means such as a TFT (Thin Film Transistor) module, an organic EL (Electroluminescence) module, and the like, and displays various information including an odometer, a trip meter, a fuel gauge, a water temperature gauge, and a shift position. Then, it is visually recognized from the transparent portion 41 of the dial 40. Further, in the display panel 50, the FPC (Flexible Printed Circuits) 51 hangs down from the back toward the circuit board 70, and the tip of the FPC is attached to the FPC connector 74 mounted on the back side of the circuit board 70 to connect with the circuit board 70. It enables energization and displays the above-mentioned various information based on the input signal from the circuit board 70.

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

The indicator 13 has a design formed on the dial 40 and is emitted by a light source composed of LEDs provided on the circuit board 70, and is an operation lamp 13a or the like that indicates the operation of equipment such as a turn lamp or a high beam. There is also a warning light 13b that warns that the seatbelt is not fastened or a small amount of residual fuel is displayed. Further, these operating lights 13a and warning lights 13b are also partitioned by a BOX-shaped partition wall (not shown) by the middle case 60.

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

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

Although not shown in detail, the speaker 100 is composed of 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 linked to the movement of the voice coil. It consists of a disk-shaped electrokinetic speaker (cone speaker) that emits sound when it vibrates, and is arranged outside the facing member 30 to convert the audio output signal (electric signal) into sound to produce sound or warning sound. It is a visual information providing component that emits.

Further, as shown in FIGS. 2 to 4, the speaker 100 is arranged outside the facing member 30 with the disk-shaped surface direction facing the opening 31, and is covered with the speaker cover 90 from the opposite side of the facing member 30. Then, it is sandwiched and fixed by the speaker cover 90 and the facing member 30. Further, the speaker 100 is connected to a speaker side cord 101 made of an electric cord having a male connector 102 having a rectangular parallelepiped made of resin at the end portion.

Further, the return member 30 has a plurality of long hole-shaped return communication holes (communication holes) 32 that open toward the speaker 100 and communicate with the space inside the opening 31 at a position corresponding to the speaker 100. .. When the sound is emitted from the speaker 100, the sound propagates from the return communication hole 32 to the space inside the opening 31, vibrates the transmission panel 20, and can transmit the sound to the driver.

The dial 40 is made of, for example, a transmissive light-transmitting resin sheet such as a transparent thin plate flat PC (polycarbonate) resin, and the above-mentioned fluoroscopic unit 41, speed index unit 11b, octopus index unit 12b, and indicator 13 are the dial 40. It is formed by printing light-shielding ink on the front and back surfaces of. Further, the dial 40 is sandwiched and fixed between the front facing member 30 and the rear middle case 60.

The inner case 60 is made of an opaque synthetic resin such as white PP resin, is arranged between the dial 40 and the circuit board 70, and supports and fixes the dial 40 and the display panel 50. Further, in the middle case 60, the speed pointer 11a, the speed index unit 11b, the octopus pointer 12a, the octopus index unit 12b, the indicator 13 and the display panel 50 described above are partitioned by a partition wall (not shown), and the respective illumination lights leak. Is being prevented.

The circuit board 70 is made of a hard circuit board in which a wiring pattern (not shown) is applied to a glass epoxy-based substrate such as FR-4 (Flame Retardant-4). The circuit board 70 includes a drive main body (not shown) that rotationally drives the various light sources, a speed pointer 11a, and an octopus pointer 12a, a drive means (not shown) including a microprocessor that drives and controls them, and for example. Various circuit components (not shown) such as resistors and capacitors are electrically connected to the wiring pattern.

Further, the circuit board 70 has an external connection connector 75 exposed from a connector hole 81 provided in the back cover 80, and energizes the instrument device 1 and the outside. The circuit-side cord 72 has a female connector 73 having a shape in which two large and small rectangular parallelepipeds made of resin are combined at the end portion, and a mounting connector 71 having a rectangular parallelepiped made of resin at the opposite end portion, and is mounted. The connector 71 is mounted on the front surface of the circuit board 70. The female connector 73 has a hole in which the male connector 102 is inserted into the first rectangular parallelepiped 73a, which is the larger rectangular parallelepiped of the female connector 73, and the second rectangular parallelepiped, which is the smaller rectangular parallelepiped 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 inside. Further, the back cover 80 has a back cover edge portion 82 extending forward from the opening in an L shape, and the back cover edge portion 82 has a second hook hole at a position corresponding to the second hook 39 of the back cover member 30. It has 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 for pulling out and guiding the female connector 73 to the outside of the back cover 80 and sandwiching 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 pair of elastic connector fixing hooks 35 having a barb at the tip, and is pulled out and guided 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 82. The first retaining piece 84 is formed so as to protrude from the back cover edge 82 so as to face the coupling step 73c of the first and second rectangular parallelepipeds 73a and 73b of the female connector 73 with a slight gap. Moreover, they are provided in pairs so as to sandwich the second rectangular parallelepiped 73b in the left-right direction.

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

Further, the facing member 30 has a second retaining piece 36 at the facing edge portion 33, which prevents the connection of the male connector 102 from the female connector 73. The second retaining piece 36 has a retaining slope 36a that is obliquely in contact with the lower corner of the cord surface 102a from which the speaker-side cord 101 of the male connector 102 is projected. Further, the second retaining pieces 36 are provided in pairs in the left-right direction with the speaker side cord 101 interposed therebetween.

By being formed in this way, when the male connector 102 is inserted into the female connector 73 fixed to the connector fixing hook 35 and attached, 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 attached first. 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 lower surface. Further, the speaker cover 90 is arranged on the upper side of the instrument device 1 so as to straddle the facing member 30 and the back cover 80, and the speaker 100, the speaker side cord 101, and the circuit side are arranged in the opening of the speaker cover 90 between the facing member 30. Cover the cord 72. By being formed in this way, when assembling the instrument device 1 to the instrument panel of the vehicle or performing maintenance work around the instrument device 1, the speaker side code 101 and the circuit side code 72 are attached to the instrument panel and the tool. It is possible to prevent the speaker side cord 101 and the circuit side cord 72 from being cut off or the female connector 73 and the male connector 102 from being attached or detached by being caught by the speaker.

Further, as shown in FIG. 6, the speaker cover 90 has boss receiving portions 93 having screw through holes 93a on the left and right sides of the position corresponding to the speaker 100. Further, the return member 30 has a screw hole 34a at a position corresponding to the screw through hole 93a, and has a boss portion 34 that abuts the boss receiving portion 93. By being formed in this way, when the screw 200 is tightened in the screw hole 34a, 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 has a rectangular through hole at a position corresponding to the connector fixing hook 35 so that the mounting locations of the female connector 73 and the male connector 102 can be visually recognized. It has a window portion 91. Thereby, even after fixing the speaker cover 90 with the screw 200, it is possible to easily confirm whether or not the female connector 73 and the male connector 102 are normally connected. The confirmation window 91 is provided so that the first rectangular parallelepiped 73a is completely visible and the second rectangular parallelepiped 73b is partially hidden.

Further, the speaker cover 90 abuts on 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 portion 92 whose cross section is projected in a half-moon shape is provided inside. 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 second retaining piece 36 and the second 1 Since the retaining piece 84 holds and fixes the front-rear direction and the left-right direction, vibration due to vibration of the vehicle or the like can be prevented, and abnormal noise between the return member 30 and the back cover 80 due to vibration can be prevented. it can.

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

Further, 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 102a of the male connector 102. It has a set fitting confirmation end face 95. Thereby, by comparing the cord surface 102a and the fitting confirmation end surface 95, it is possible to surely and easily confirm whether or not 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, the second circuit board 300 (electrical component) instead of the speaker 100 is arranged on the back member 30 toward the back member 30 in the surface direction thereof, and the second circuit board 300 is on the opposite side of the back member 30. It is provided with a second circuit board cover 400 (second cover member) fixed to the back cover member 30.

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

Further, the second circuit board cover 400 is arranged on the upper side of the instrument device 1 so as to straddle the back cover 80 and the back cover 80, and the second circuit board 300, the second circuit side code 302, and the circuit are located between the back cover 80. It covers the side cord 72.

Further, the second circuit board 300 has a light source 304 composed of a plurality of LEDs mounted on the lower surface thereof. Further, the return member 30 is opened toward the second circuit board 300 at a position slightly deviated from the light source 304 toward the dial 40, and is a rectangular second return communication hole that communicates with the space inside the opening 31. It has 37. When light is emitted from the light source 304, the dial 40 is irradiated with light from the second return communication hole 37 via the inside of the opening 31, and can be used as cabaret lighting. As described above, the second circuit board 300 is a visual information providing component that converts electrical energy into light and emits it.

The second circuit board cover 400 is also fixed to the facing member 30 with screws 200 like the speaker cover 90, and also has a confirmation window portion 91 and a pressing portion 92.

Although the instrument device 1 of the present invention has been described by way of example in the configuration of the above-described embodiment, the present invention is not limited to this, and other configurations do not deviate from the gist of the present invention. Of course, various improvements and design changes are possible within the scope.

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

1 Instrument device 10 Display means 20 Transparent panel 30 Back member (peripheral wall member)
32 Return hole 32 (communication hole)
35 Connector fixing hook (fixed piece)
36 1st retaining piece (retaining piece)
70 Circuit board 72 Circuit side cord (second energizing member)
73 Circuit side connector (second connection)
80 Back cover (first cover member)
84 Second retaining piece (retaining piece)
90 Speaker cover (second cover member)
91 Confirmation window 92 Pressing pressure 94 Cover communication hole 95 Fitting confirmation end face 100 Speaker (electrical parts)
101 Speaker side cord (first energizing member)
102 Speaker side connector (first connection part)
300 Second circuit board (electrical components)

Claims (10)

Display means for displaying visual information and
A transparent panel arranged in front of the display means and allowing the visual information to be seen through,
A peripheral wall member that surrounds the space between the display means and the transparent panel in the circumferential direction,
An electrical component to which a first energizing member disposed outside the peripheral wall member and having a first connecting portion at the end is connected, and
A circuit board arranged behind the display means and to which a second energizing member having a second connecting portion is connected to the terminal portion.
A first cover member arranged behind the circuit board and covering the circuit board,
A second cover member that covers the electric 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 mounted on the first connection portion so that the electric component and the circuit board are electrically connected.
The second cover member is an instrument device that covers the first energizing member and the second energizing member. The instrument device according to claim 1, wherein the peripheral wall member or the first cover member has a fixing piece for fixing the first connecting portion or the second connecting portion. The instrument device according to claim 2, wherein the second cover member has a confirmation window portion having a through hole for visually recognizing a mounting portion between the first connecting portion and the second connecting portion. The second cover member according to claim 1 to 3, wherein the second cover member has a pressing portion inside which any of the first and second connecting portions is sandwiched between the peripheral wall member or the first cover member. The instrumentation device described in any. 1. The first cover member has a retaining piece for preventing the second connecting portion from coming off, or the peripheral wall member has a retaining piece for preventing the first connecting portion from coming off. 4. The instrument device according to any one of 4. By setting one side of the confirmation window portion at the same position as one side of any one of the first and second connection portions in the viewing direction, the fitting confirmation of any one of the first and second connection portions The instrument device according to claim 3 , further comprising a mating confirmation end face that enables 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 electric component and communicates with the space at a position corresponding to the electric component. .. The instrument device for a vehicle according to any one of claims 1 to 7, wherein the electric component is a visual information providing component that converts electrical energy into light and emits light. The instrument device for a vehicle according to any one of claims 1 to 7, wherein the electric component is an auditory information providing component that converts an electric signal into sound and emits it. 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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