JP7082742B2 - Vehicle instruments - Google Patents

Description

The present invention relates to a vehicle instrument.

Conventionally, a vehicle instrument provided with a back case, a dial locked to the back case, a ring-shaped member that circulates around the display design portion of the dial, and a dial having a display window corresponding to the dial. (See Patent Document 1).

Japanese Unexamined Patent Publication No. 2006-226692

However, since the conventional vehicle instrument has a structure in which the dial locked to the back case is indirectly pressed by the dial plate via the ring-shaped member, the dial may vibrate and generate noise. There was sex.
Further, in the conventional vehicle instrument, dust that has entered through the gap between the back case and the dial or the gap between the dial and the dial may reach the display design part, and the appearance of the display design part may be spoiled. There was sex.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle instrument capable of suppressing the generation of noise and maintaining the aesthetic appearance.

In order to achieve the above purpose, it is grasped by the following configuration.
(1) The vehicle instrument of the present invention includes a case that houses a control board that controls the display of the instrument and the like, a dial that is locked to the case and has a display area, and a decorative member that decorates the display area. , A vehicle instrument including a return member having a window frame area corresponding to the display area, wherein the display area is a second display in which the first display area and the first display area are different from each other. The return member has a region, a dial pressing portion that abuts on the dial on the peripheral edge of the first display region, and a decorative pressing portion that abuts on the decorative member on the peripheral edge of the second display region. , Have.
(2) In the above (1), the dial pressing portion abuts on the dial without abutting on the decorative member, and the decorative pressing portion abuts on the dial without abutting on the dial. Contact with.
(3) In the above (1) or (2), the window frame area includes a first window frame area corresponding to the first display area and a second window frame area corresponding to the second display area. It has a boundary window frame arranged at the boundary between the first window frame area and the second window frame area.
(4) In the above (3), the return member forms the dial pressing portion on the peripheral edge of the first window frame region including the boundary window frame, and the second window excluding the boundary window frame. The decorative pressing portion is formed on the peripheral edge of the frame area.

According to the present invention, it is possible to provide a vehicle instrument capable of suppressing the generation of noise and maintaining the aesthetic appearance.

It is a perspective view which looked at the instrument for a vehicle which concerns on this embodiment from the upper right. It is a perspective view which looked at the instrument for a vehicle which concerns on this embodiment from the lower left. It is an exploded perspective view which looked at the instrument for a vehicle which concerns on this embodiment from the upper right. It is a rear view of the return member. It is a layout drawing of the dial pressing part and the decoration pressing part. It is a front view of the instrument for a vehicle which the illustration of the return member is omitted. FIG. 6 is a cross-sectional view taken along the line A in FIG. FIG. 6 is a cross-sectional view taken along the line B in FIG. FIG. 6 is a cross-sectional view taken along the line C in FIG.

(Embodiment)
Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described in detail with reference to the drawings. The same elements are designated by the same numbers or reference numerals throughout the description of the embodiments. Hereinafter, unless otherwise specified, in the vehicle instrument 1, the side facing the driver of the vehicle to which the vehicle instrument 1 is mounted (rear side of the vehicle) is the front side, and the opposite side (front of the vehicle). The side) is the back side.

FIG. 1 is a perspective view of the vehicle instrument 1 according to the present embodiment as viewed from the upper right. FIG. 2 is a perspective view of the vehicle instrument 1 according to the present embodiment as viewed from the lower left. FIG. 3 is an exploded perspective view of the vehicle instrument 1 according to the present embodiment as viewed from the upper right.

As shown in FIG. 1, the vehicle instrument 1 according to the present embodiment faces a user so that the user (driver) can see it on a dashboard in front of the driver's seat of a vehicle such as an automobile. Is provided. The vehicle instrument 1 displays vehicle parameters (for example, vehicle speed, engine speed) and the like.

As shown in FIGS. 1 to 3, the vehicle instrument 1 includes a case 10 that houses a control board 16 that controls the display of the instrument 18 and the like, and a dial 20 that is locked to the case 10 and has a display area V. A decorative member 30 for decorating the display area V, and a return member 40 having a window frame area W corresponding to the display area V are provided. A transparent cover (not shown) is appropriately attached to the front side of the return member 40 in an airtight manner with respect to the return member 40.

(Case 10)
As shown in FIG. 3, the case 10 is, for example, a box-shaped container integrally molded with a synthetic resin. The case 10 mainly has a space inside that can accommodate a control board 16 and the like that control the display of the instrument 18, the display device 19, and the like. The case 10 has a function of supporting the control board 16 and the like housed inside and a function of protecting the control board 16 and the like from the outside.
The case 10 has a back wall 11 provided so as to be substantially parallel to the plate-shaped control board 16, and a peripheral wall 12 erected on the front side along the outer peripheral edge of the back wall 11 over the entire circumference of the outer peripheral edge. And a front wall 13 provided facing the back wall 11.

The back wall 11 has a connector 17 (see FIG. 2) for a harness for connecting to the control board 16 from a power supply, an in-vehicle communication bus, or the like, which is appropriately arranged on the vehicle body side.

The peripheral wall 12 is provided at a predetermined distance from each other on the outer peripheral edge, and has a plurality of engaged portions 14 that engage with the return member 40. Further, the peripheral wall 12 has a case engaging portion 15p that engages with the front wall 13.

The front wall 13 is arranged at a position corresponding to the case engaging portion 15p, and has a case engaged portion 15q that can be engaged with the case engaging portion 15p.
Further, the front wall 13 has an opening 13a at a position corresponding to a position on the control board 16 where the display device 19 is arranged.
The front wall 13 locks the dial 20 by an appropriate locking means such as a clip or a bolt.

The control board 16 has an instrument 18. Further, the control board 16 has, for example, a display device 19 such as a liquid crystal display capable of displaying vehicle parameters such as vehicle speed and mileage, navigation information, and the like as appropriate. Further, the control board 16 appropriately has an operator M for performing an operation of switching the display contents of the display device 19.

The instrument 18 displays vehicle parameters indicating vehicle speed, engine speed, and the like by means of pointers 18n and the like. The pointer 18n may be a rod-shaped body that swings in a plane parallel to the dial 20, and may be displayed by a liquid crystal display or the like.

(Dial 20)
As shown in FIG. 3, the dial 20 is, for example, a thin plate made of synthetic resin or the like. The dial 20 is locked to the case 10 on the front side of the case 10 so as to overlap the front wall 13 of the case 10 and on the front side of the front wall 13 by an appropriate locking means such as a clip or a bolt. Will be done. The dial 20 has a display area V visible to the user on the front side. The display area V of the dial 20 may be on a flat surface or on a curved surface. That is, the front surface of the dial 20 may be a flat surface or a curved surface.

The display area V has at least a first display area V1 and a second display area V2 whose area is different from that of the first display area V1. In the present embodiment, the first display area V1 is arranged in the center of the dial 20, and the second display area V2 is arranged on both the left and right sides of the dial 20 so as to sandwich the first display area V1. .. The arrangement of the first display area V1 and the second display area V2, that is, the positional relationship between the first display area V1 and the second display area V2 is not limited to that described in this embodiment. Further, the number of the first display area V1 or the second display area V2 is not limited to two, and may be a single number or three or more.

The first display area V1 is, for example, an area for displaying vehicle parameters, navigation information, and the like. The first display area V1 has a display device opening 21 for exposing a display device 19 such as a liquid crystal display connected to the control board 16 housed in the case 10. The shape and size of the display device opening 21 are the same as those of the display device 19.
The vehicle parameters, navigation information, and the like displayed on the display device 19 exposed in the display device opening 21 are displayed in the first display area V1.
In the first display area V1, a display other than the information displayed on the display device 19 may be appropriately displayed.

The second display area V2 is an area for displaying vehicle parameters such as vehicle speed and engine speed.
In the second display area V2, a plurality of scales 22 provided at predetermined intervals along a substantially arc shape, a number 23 provided corresponding to each scale 22, and the inside of the scale 22 and the number 23. It has a character 24 provided in.
Further, the second display area V2 has an instrument opening 25 through which a shaft supporting the pointer 18n in the instrument 18 is inserted. Further, the second display area V2 has an operator opening 26 through which the operator M is inserted.

Specifically, as shown in FIG. 1, the second display area V2 arranged on the left side in the front view is indicated by the character 24 by the number 23 provided so as to correspond to the scale 22. The vehicle speed in "h" units is displayed. Then, when the vehicle speed increases, the instrument 18 operates, the pointer 18n swings clockwise, and the number 23 displayed near the tip of the pointer 18n indicates the vehicle speed at that time.
On the other hand, the second display area V2 arranged on the right side in the front view displays the engine speed in units of "1000 r / min" indicated by the character 24 by the number 23 provided so as to correspond to the scale 22. ing. Then, when the engine speed increases, the instrument 18 operates, the pointer 18n swings clockwise, and the number 23 displayed near the tip of the pointer 18n indicates the engine speed at that time. It has become.

(Decorative member 30)
The decorative member 30 decorates the second display area V2. As shown in FIG. 3, the decorative member 30 is formed in a ring shape so as to surround the peripheral edge of the second display area V2, and surrounds the second display area V2 on the front side of the dial 20. It is placed on top of each other. Further, the decorative member 30 is, for example, a light guide body made of a transparent or translucent material in order to enhance the aesthetic appearance, and has a three-dimensional shape having a desired thickness. As a result, the display of the second display area V2 surrounded by the decorative member 30 stands out. The decorative member 30 is fixed to the dial 20 by an appropriate fixing means such as a fixing pin or an adhesive while the seal between the decorative member 30 and the dial 20 is maintained.

(Return member 40)
Next, the return member 40 will be described.
FIG. 4 is a rear view of the return member 40. FIG. 5 is a layout drawing of the dial pressing portion 44 and the decorative pressing portion 45. FIG. 6 is a front view of the vehicle instrument 1 in which the return member 40 is not shown. FIG. 7 is a cross-sectional view taken along the line A in FIG. FIG. 8 is a cross-sectional view taken along the line B in FIG. FIG. 9 is a cross-sectional view taken along the line C in FIG. In FIGS. 4 to 6, the alternate long and short dash line indicates the arrangement of the dial pressing portion 44, and the broken line indicates the arrangement of the decorative pressing portion 45.

As shown in FIGS. 3 and 4, the return member 40 has a frame shape having substantially the same size as the case 10 and the dial 20 when viewed from the front. The return member 40 is made of, for example, a synthetic resin having a light-shielding property.

The return member 40 has a window frame area W corresponding to the display area V.
The window frame area W includes a first window frame area W1 corresponding to the first display area V1 and a second window frame area W2 corresponding to the second display area V2 by the outer window frame 42 and the boundary window frame 43 described later. It is partitioned into. In the present embodiment, the first window frame area W1 is arranged in the center of the return member 40 according to the arrangement of the first display area V1 and the second display area V2, and the second window frame area W2 is , The first window frame area W1 is sandwiched between the left and right sides of the return member 40. The size and shape of the first window frame area W1 are the same as those of the first display area V1. Similarly, the size and shape of the second window frame area W2 is the same as that of the second display area V2.

The return member 40 is a boundary window frame 43 arranged at the boundary between the outer window frame 42 formed in an annular shape so as to surround the outer peripheral edge of the dial 20 and the first window frame area W1 and the second window frame area W2. have. In the present embodiment, the outer window frame 42 is arranged so as to surround both the first window frame area W1 and the second window frame area W2 inward. Further, there are two boundary window frames 43 on the left and right so as to be bridged up and down inside the outer window frame 42. The area surrounded by the upper and lower portions of the outer window frame 42 and the two left and right boundary window frames 43 is the first window frame area W1. Further, the area surrounded by the left portion of the outer window frame 42 and the boundary window frame 43 on the left side is the second window frame area W2 on the left side. Similarly, the area surrounded by the right portion of the outer window frame 42 and the boundary window frame 43 on the right side is the second window frame area W2 on the right side.

The return member 40 has a plurality of engaging portions 41 that engage with the engaged portion 14 provided on the case 10 on the outer peripheral edge of the outer window frame 42.

As shown in FIGS. 4 and 5, the return member 40 has a dial pressing portion 44 that abuts on the dial 20 at the peripheral edge of the first display region V1 of the dial 20 and a second display region V2 of the dial 20. It has a decorative pressing portion 45 that abuts on the decorative member 30 at the peripheral edge. As a result, the dial 20 can be directly pressed by the dial pressing portion 44 of the return member 40, and the dial 20 can be sandwiched between the return member 40 and the case 10, so that the vibration of the vehicle is transmitted to the dial. The noise generated by the fluttering of 20 can be suppressed. On the other hand, since the decorative member 30 can be directly pressed by the decorative pressing portion 45 to sandwich the decorative member 30 and the dial 20 between the return member 40 and the case 10, the decorative member 30 is generated by vibration. Noise can be suppressed. Since the return member 40 has both a dial pressing portion 44 and a decorative pressing portion 45, the return member 40 is provided to the case 10 with the dial 20 interposed therebetween on the front side of the case 10. By engaging, both the dial 20 and the decorative member 30 can be pressed at the same time. Therefore, according to the vehicle instrument 1 having such a return member 40, the dial 20 having the decorative member 30 can be reliably pressed so as not to generate noise, and the display area V can be reliably sealed. ..

Further, since the dial pressing portion 44 is sealed with the dial 20, for example, when the shape of the surface on the front side of the dial 20 is a flat surface, the dial pressing portion 44 is formed on the same plane, and the front surface of the dial 20 is formed. When the shape of the surface on the side is a curved surface, it is formed on the same curved surface. As described above, the dial pressing portion 44 is formed along the shape of the surface of the dial 20 on the front side.

As shown in FIG. 7, the dial pressing portion 44 projects from a part of the back surface side of the return member 40 toward the dial 20 in a cross-sectional view, and has a substantially semi-arc shape. As a result, the dial pressing portion 44 comes into contact with the dial 20 and is easily deformed elastically, and becomes familiar with the dial 20, so that the sealing property can be improved.

The dial pressing portion 44 is in linear contact with the dial 20 so as to surround the first display area V1 of the dial 20. As a result, the dial pressing portion 44 can secure the sealing property of the first display area V1 and can suppress the invasion of dust into the first display area V1. Therefore, the aesthetic appearance of the display area V can be maintained.
Further, the portion of the dial pressing portion 44 corresponding to the upper portion of the outer window frame 42 is wider in front view than the other portion of the dial pressing portion 44. As a result, liquids such as water that easily enter from the upper portion of the outer window frame 42 can be more reliably sealed.

The decorative pressing portion 45 is formed on the left portion and the right portion of the outer window frame 42, and is in linear contact with the front surface of the decorative member 30. As shown in FIG. 4, the upper end portion 45a and the lower end portion 45b of the decorative pressing portion 45 are connected to the dial pressing portion 44, respectively. The second display area V2 of the dial 20 is surrounded by the decorative pressing portion 45 and the dial pressing portion 44 formed on the boundary window frame 43. Therefore, the sealing property of the second display area V2 can be ensured, and the invasion of dust into the second display area V2 can be suppressed. Therefore, the aesthetic appearance of the display area V can be maintained.

Further, the decorative pressing portion 45 is formed on the same plane when the shape of the surface on the front side of the decorative member 30 is a flat surface for sealing with the decorative member 30, and the front side of the decorative member 30 is formed. When the shape of the surface in the above is a curved surface, it is formed on the same curved surface. As described above, the decorative pressing portion 45 is formed along the shape of the surface of the decorative member 30 on the front side.

As shown in FIG. 8, the decorative pressing portion 45 protrudes from a part of the back surface side of the return member 40 toward the decorative member 30 and has a substantially semi-arc shape. As a result, the decorative pressing portion 45 comes into contact with the decorative member 30 and is easily deformed elastically, and becomes familiar with the decorative member 30, so that the sealing property can be improved.

Further, the decorative pressing portion 45 is formed on more than half of the outer circumference surrounding the second window frame region W2. As a result, even if the decorative member 30 is not fixed to the dial 20, it is possible to prevent the decorative member 30 from tilting, moving, or deforming with respect to the dial 20.

By the way, as shown in FIGS. 6 to 9, the return member 40 forms a dial pressing portion 44 on the peripheral edge of the first window frame region W1 including the boundary window frame 43, and the boundary window frame 43 is excluded. 2 A decorative pressing portion 45 is formed on the peripheral edge of the window frame region W2. As a result, the decorative pressing portion 45 is not formed on the boundary window frame 43, but the dial pressing portion 44 is formed. Therefore, by providing a step or the like on the boundary window frame 43, the dial 20 and the decorative member 30 are formed. Due to the dimensional tolerance of the step and the dimensional tolerance of the thickness in the front-rear direction of the decorative member 30, the sealing and pressing of the dial 20 by the boundary window frame 43 are uncertain. Never become. Therefore, the boundary window frame 43 can reliably press the dial 20 and seal the first display area V1.

Further, as shown in FIG. 7, the dial pressing portion 44 is in contact with the dial 20 without being in contact with the decorative member 30. As a result, a gap can be secured between the boundary window frame 43 of the return member 40 and the decorative member 30, and the dimensional tolerance of the decorative member 30 can be absorbed by this gap. Therefore, the dial 20 can be reliably pressed by the boundary window frame 43, and the first display area V1 can be sealed.

On the other hand, as shown in FIG. 8, the decorative pressing portion 45 is in contact with the decorative member 30 without being in contact with the dial 20. As a result, the decorative pressing portion 45 can reliably press the decorative member 30 and seal the second display area V2.

Further, as shown in FIG. 9, the return member 40 is located outside the radial direction of the decorative member 30 from the decorative pressing portion 45 at the connection portion J (see FIGS. 4 and 5) between the outer window frame 42 and the boundary window frame 43. It has a transition pressing portion 46 that extends toward the direction (to the right in FIG. 9) and abuts on the decorative member 30 to press the decorative member 30. As a result, the decorative member 30 can be pressed more firmly, and the invasion of dust into the second display area V2 can be further suppressed.

Although the preferred embodiment of the present invention has been described in detail above, the vehicle instrument 1 according to the present invention is not limited to the above-described embodiment, but is within the scope of the gist of the present invention described in the claims. In, various deformations and changes are possible.

According to the vehicle instrument 1 of the present invention, the case 10 that houses the control board 16 that controls the display of the instrument and the like, the dial 20 that is locked to the case 10 and has the display area V, and the display area V are decorated. A vehicle instrument 1 including a decorative member 30 and a return member 40 having a window frame area W corresponding to a display area V, wherein the display area V is a first display area V1 and a first display area. The return member 40 has a second display area V2 having a different area from V1, and the return member 40 has a dial pressing portion 44 that abuts on the dial 20 at the peripheral edge of the first display area V1 and a peripheral edge of the second display area V2. Since the display area V has the decorative pressing portion 45 that abuts on the decorative member 30, for example, even if the display area V has a plurality of areas including a region without the decorative member 30 and a region having the decorative member 30. , The dial 20 can be pressed firmly and the display area V can be sealed. Therefore, the generation of noise can be suppressed and the aesthetic appearance can be maintained.

1 Vehicle instrument 10 Case 11 Back wall 12 Peripheral wall 13 Front wall 13a Opening 14 Engagement part 15p Case engagement part 15q Case engaged part 16 Control board 17 Connector 18 Instrument 18n Pointer 19 Display device 20 Dial 21 Display device Opening 22 Scale 23 Number 24 Character 25 Instrument opening 26 Operator opening 30 Decorative member 40 Return member 41 Engaging part 42 Outer window frame 43 Boundary window frame 44 Dial pressing part 45 Decorative pressing part 45a Upper end 45b Lower end 46 Transition pressing part J Connection part M Operator V Display area V1 First display area V2 Second display area W Window frame area W1 First window frame area W2 Second window frame area

Claims (4)

A case that houses a control board that controls the display of instruments, etc.
A dial that is locked to the case and has a display area,
A decorative member that decorates the display area and
A vehicle instrument comprising a return member having a window frame area corresponding to the display area.
The display area includes a first display area and a second display area whose area is different from that of the first display area.
The return member is characterized by having a dial pressing portion that abuts on the dial on the peripheral edge of the first display area and a decorative pressing portion that abuts on the decorative member on the peripheral edge of the second display area. Vehicle instruments. The dial pressing portion abuts on the dial without abutting on the decorative member.
The vehicle instrument according to claim 1, wherein the decorative pressing portion abuts on the decorative member without abutting on the dial. The window frame area has a first window frame area corresponding to the first display area and a second window frame area corresponding to the second display area.
The vehicle instrument according to claim 1 or 2, wherein the vehicle instrument has a boundary window frame arranged at a boundary between the first window frame area and the second window frame area. The return member forms the dial pressing portion on the peripheral edge of the first window frame region including the boundary window frame, and the decorative pressing portion is formed on the peripheral edge of the second window frame region excluding the boundary window frame. The vehicle instrument according to claim 3, wherein the instrument is formed.

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