JP2019158775A - Instrument for vehicle - Google Patents

Abstract

To provide an instrument for a vehicle capable of easily checking the attachment state of an end leaf to a cover.SOLUTION: An instrument for a vehicle includes: a case 15 having an attachment stay 40a for attaching an instrument 1 to an attached portion; an end leaf 16 that is attached to the front side of the case 15 and has a hook hole 56a disposed at a position overlaid on the attachment stay 40a; and a cover 17 that has a hook 67a hung on the hook hole 56a and is attached to the front side of the end leaf 16 via the hook 67a. The attachment stay 40a includes a viewing window 44 for allowing the viewing of the hanging of the hook 67a on the hook hole 56a from the back side of the attachment stay 40a.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle instrument mounted on a vehicle such as an automobile.

  Vehicles such as automobiles are equipped with instruments that display information necessary for driving, such as speedometers and engine speed meters. The instrument has a case for accommodating a circuit board and the like. A face is provided on the front side of the case. The turn-off has an opening that conceals unnecessary portions of the instrument and partitions the display area of the instrument. In return, a cover that covers the front surface is attached to prevent dust from entering the instrument. The facing and the cover are fixed to each other by engaging with each other via a hook.

JP 2011-133373 A

  The instrument has an attachment stay for attachment to the instrument panel of the vehicle. The mounting stay is provided in the case in consideration of the relationship with a limited space in the instrument panel. For example, the mounting stay protrudes from the periphery of the case toward the outside or the front of the instrument.

  Here, when the mounting stay is provided at a position that overlaps the position where the cover is engaged with the cover, the hook and the hook hole are covered by the mounting stay. In this case, it is difficult to confirm whether the hook and the hook hole are correctly engaged.

  The present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a vehicular instrument that can easily check the state of attachment between the turning and the cover.

  In order to solve the above-described problem, a vehicle instrument according to the present invention is provided at a position where a case having an attachment stay for attaching the instrument to the attached portion and a front side of the case and overlapping the attachment stay. A turn-up having a hook hole provided, and a cover having a hook that engages with the hook hole and attached to the front side of the turn-up through the hook, and the attachment stay includes the hook hole and the hook There is a viewing window for visually recognizing the engagement with the hook from the back side of the mounting stay.

  In the vehicular instrument according to the present invention, it is possible to easily confirm the mounting state between the turning and the cover.

The block diagram which looked at the meter which is embodiment of the meter for vehicles which concerns on this invention from the front side. Sectional drawing which follows the II-II line | wire of FIG. The back side perspective view of a meter. The rear view of the instrument with which the cable was connected.

  An embodiment of a vehicle instrument according to the present invention will be described with reference to the accompanying drawings. The vehicle meter according to the present invention is mounted on a vehicle such as an automobile or a motorcycle, a ship, an agricultural machine, or a construction machine. In the present embodiment, an example in which the vehicle instrument according to the present invention is an instrument mounted in an instrument panel of an automobile will be described.

  FIG. 1 is a configuration diagram of a meter 1 that is an embodiment of a vehicle meter according to the present invention as seen from the front side.

  2 is a cross-sectional view taken along line II-II in FIG.

  FIG. 3 is a rear perspective view of the meter 1.

  FIG. 4 is a rear view of the meter 1 to which the cable 22 is connected.

  In the following description, the “front (front) side” is the front side in FIG. 1 and the left side (cover 17 side) in FIG. 2, and means the side visually recognized by the viewer (driver). “Back (rear) side” means the back side in FIG. 1 and the right side in FIG. 2 (the outer case 32 side with respect to the cover 17). “Upper side” and “lower side” mean the upper side and the lower side in FIGS. 1 and 2.

  The instrument 1 is mounted in the instrument panel of the vehicle. The meter 1 displays various information to the driver (viewer) via a speedometer, an engine speed meter, a display panel, and the like (omitted in FIG. 1).

  The meter 1 mainly includes a display unit 12, a dial plate 13, a circuit board 14, a case 15, a turn 16, a cover 17, and a cable holder 19.

  The display unit 12 has a display panel and a backlight unit.

  The display panel is, for example, a TFT (Thin Film Transistor) liquid crystal display panel. The display panel has a pair of surface glass substrates that enclose a liquid crystal layer. Transparent electrodes are formed on the pair of glass substrates using ITO (Indium Tin Oxide) or the like. Further, the display panel has a pair of surface polarizing plates (polarizing filters) arranged so as to sandwich the pair of surface glass substrates. The display panel is connected to the circuit board 14 via a flexible board such as FPC (Flexible Printed Circuits). When the display panel is controlled by the control unit of the circuit board 14, a driving voltage is applied to the liquid crystal layer through the transparent electrode. Thereby, the orientation of the liquid crystal molecules in the liquid crystal layer is controlled, and the individual pixels of the display panel are switched to the transmissive state or the non-transmissive state. By such a combination of pixels, the display panel displays predetermined information.

  The backlight unit is provided on the back side of the display panel. The backlight unit includes a light source such as an LED (Light Emitting Diode) and a light guide, and illuminates the display panel from the back side.

  The dial plate 13 is provided on the front side of the display unit 12. The dial 13 has a base material and a design layer. The substrate is, for example, a polycarbonate resin plate member having transparency (translucency). The design layer is a printed layer printed with black light-shielding ink formed on the front side or the back side of the substrate. The design layer has designs such as scales, numbers, characters, and symbols formed in a letter shape. The design of the display panel is turned on when the light of the design light source irradiated from the back side of the dial 13 is transmitted. The design layer blocks the periphery of the display panel and partitions the display area.

  The circuit board 14 is accommodated in the case 15 and mainly includes a control unit, a light source, and a connector 21.

  The control unit includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like, and executes predetermined arithmetic processing according to a program written in the ROM, for example. A control part acquires vehicle speed, various vehicle information, etc. via various sensors etc. from ECU (Electronic Control Unit) of a vehicle, for example. The control unit drives and controls the display unit 12, a design light source, and the like based on the acquired information. The light source for the design is an LED (Light Emitting Diode) and illuminates the dial 13 from the back side.

  The connector 21 is provided on a surface facing the back surface 32a (outer case back surface 32a) of the outer case 32 (case 15). The connector 21 is connected to, for example, a cable 22 extending from another device outside the meter 1.

  The case 15 accommodates the display panel, the dial plate 13 and the circuit board 14 in the internal space. The case 15 has an intermediate case 30 and an outer case 32.

  The middle case 30 is made of a light-shielding synthetic resin (for example, polypropylene) such as white, and fixes the display unit 12, the dial plate 13, and the circuit board 14 and supports them in the outer case 32.

  The outer case 32 is made of a light-shielding synthetic resin (for example, polypropylene) such as black. The outer case 32 includes a mounting stay 40, a connector hole 45, and a case side hook hole 46.

  The attachment stay 40 is formed integrally with the outer case 32 and is provided for attaching the instrument 1 to an instrument panel of a vehicle as an attached portion. The mounting stay 40 is a plate-like member having a screw hole 41 for screwing the instrument 1 to the instrument panel. The mounting stay 40 has two mounting stays 40 that protrude downward from the lower side of the outer case peripheral edge 48. Further, the mounting stay 40 has one mounting stay 40a that protrudes obliquely upward from the upper side of the outer case peripheral edge 48 from the back side to the front side.

  The attachment stay 40 a has a base portion 42, an attachment portion 43, and a visual recognition window 44. The base portion 42 is provided on the outer case peripheral edge 48, and has a space 42a that pushes the outer case back surface 32a toward the back surface side (FIG. 2). The space 42a is provided to accommodate the facing side hook hole 56a and the cover side hook 67a. The attachment portion 43 is a plate-like portion that protrudes obliquely upward from the base portion 42 toward the front surface side. The visual recognition window 44 makes the engagement between the facing side hook hole 56a and the cover side hook 67a visible from the back side of the mounting stay 40 (instrument 1). For this reason, the visual recognition window 44 is a hole having a size capable of visually confirming whether or not the turn-side hook hole 56a and the cover-side hook 67a are correctly engaged.

  The connector hole 45 is a hole that exposes the connector 21 of the circuit board 14 and is provided on the outer case back surface 32a. The connector hole 45 rises from the outer case rear surface 32a to the rear surface side, and has a surrounding wall 45a surrounding the connector 21.

  The case side hook hole 46 is provided in the outer case peripheral edge 48, and the turn side hook 57 is inserted from the front side toward the back side.

  The case-side hook holes 46 are provided at the number and locations necessary for firmly fixing the facing 16 to the outer case 32 at the outer case peripheral edge 48. The case-side hook hole 46 is inserted with a facing-side hook 57 from the front side toward the back side.

  The facing 16 is made of a light-shielding synthetic resin (for example, polypropylene) such as black. The facing 16 is attached to the front side of the outer case 32 (case). The facing 16 also functions as a case on the front side of the meter 1 and has a hook shape 51 (FIG. 2) on the lower side. Further, the lookback 16 covers an unnecessary area on the dial 13 or partitions the dial 13.

  The facing 16 has a facing hook 57 and a facing hook hole 56.

  The facing side hook 57 projects from the facing peripheral edge 58 toward the back side from the front side. The facing side hook 57 is inserted into the case side hook hole 46 and engages with the case side hook hole 46. Thereby, the look 16 is attached to the front side of the outer case 32 via the look-side hook 57.

  The facing-side hook holes 56 are provided at the number and location necessary for firmly fixing the cover 17 to the facing 16 on the facing peripheral edge 58. The cover-side hook 67 is inserted into the facing-side hook hole 56 from the front side toward the back side. In particular, the facing-side hook hole 56a is provided above the facing peripheral edge 58 and at a position overlapping the mounting stay 40 in the front-rear direction (the direction connecting the front side and the back side).

  In the present embodiment, the facing 16 has a facing-side mounting stay 50 having the same shape as the mounting stay 40 (mounting portion 43). The facing side mounting stay 50 is provided to obtain the strength of the mounting stay 40. For this reason, the facing side mounting stay 50 may be omitted.

  The cover 17 is made of translucent polycarbonate resin or inorganic glass, for example. The cover 17 is attached to the front side of the facing 16. The cover 17 covers the opening formed by the turning peripheral edge 58 so that dust or the like does not enter the display unit 12 or the circuit board 14.

  The cover 17 has a cover side hook 67. The cover side hook 67 protrudes from the cover peripheral edge 68 toward the back side from the front side. The cover side hook 67 is inserted into the facing side hook hole 56 and engages with the facing side hook hole 56. Thus, the cover 17 is attached to the front side of the facing 16 via the cover side hook 67.

  The cable holder 19 bundles the cables 22 extended from other equipment of the vehicle outside the meter 1. The cable holder 19 has an attachment part 71 and a holding part 72. The attachment portion 71 is inserted and attached to the visual recognition window 44 and fixed. Thereby, the cable holder 19 is attached to the attachment stay 40 (outer case 32). The holding part 72 holds the cable 22 in the horizontal direction (FIG. 4).

  Such an instrument 1 can be easily assembled even when the mounting position of the mounting stay 40, the facing 16 and the cover 17, ie, the position of the facing-side hook hole 56a and the cover-side hook 67a overlap each other in the front-rear direction. Is not reduced. That is, the instrument 1 can easily visually confirm the attachment state of the cover side hook 67a with respect to the turn-side hook hole 56a when the cover 17 is attached to the turn-back 16 by providing the viewing stay 44 on the attachment stay 40. .

  Even when the instrument 1 is installed in a limited space of the instrument panel, the positions of the hook 67 and the hook hole 56 are not limited by the position of the mounting stay 40, that is, the positions of the hook 67 and the hook hole 56 are Since it is not necessary to avoid the position of the mounting stay 40, the degree of freedom in design can be improved.

  Further, after assembling the facing 16 and the cover 17, the visual window 44 can be used as an attachment hole for the cable holder 19 that holds the cable 22. Thereby, the cable 22 extended to the back surface of the meter 1 is held by the cable holder 19, and workability at the time of working around the meter 1 can be improved. The cable holder 19 is advantageous in that it can be bundled together, particularly when a plurality of cables 22 are extended.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the average thereof.

  For example, the example in which the mounting stay 40 having the viewing window 44 is provided on the upper side of the outer case 32 has been described.

DESCRIPTION OF SYMBOLS 1 Meter 12 Display unit 13 Dial 14 Circuit board 15 Case 16 Turn 17 Cover 19 Cable holder 21 Connector 22 Cable 30 Middle case 32 Outer case 32a Outer case back surface 40, 40a Mounting stay 41 Screw hole 42 Base 42a Space 43 Mounting portion 44 Viewing window 45 Connector hole 45a Enclosure wall 46 Case side hook hole 48 Outer case peripheral edge 50 Reverse side mounting stay 51 庇 shape 56, 56a Reverse side hook hole 57 Reverse side hook 58 Reverse edge 67, 67a Cover side hook 68 Cover peripheral 71 Mounting part 72 Holding part

Claims (2)

A case having a mounting stay for attaching the instrument to the mounted portion;
A reversal having a hook hole attached to the front side of the case and provided at a position overlapping the attachment stay;
A cover that has a hook that engages with the hook hole, and is attached to the front side of the facing through the hook,
The mounting stay includes a viewing window that allows the hook hole and the hook to be visually recognized from the back side of the mounting stay. A circuit board housed in the case and having a connector connected to a cable on a surface facing the back surface of the case;
A cable holder for holding the cable, and
The case has a connector hole for exposing the connector,
The vehicle instrument according to claim 1, wherein the cable holder is attached to the attachment stay by being attached to the viewing window.

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