Indicator device

By positioning boss forming portions closer to the second case and incorporating missing portions in the light boxes, the indicator device is miniaturized and manufacturing costs are reduced, addressing the issue of enlarged size due to external bosses.

JP2025018407APending Publication Date: 2025-02-06NIPPON SEIKI CO LTD
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Patent Information

Application Number
JP2023122089
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-07-27
Publication Date
2025-02-06

AI Technical Summary

Technical Problem

Indicator devices with bosses installed outside the case result in an enlarged outer shape, leading to increased device size.

Method used

The indicator device design includes a first case with boss forming portions closer to a second case than light boxes, featuring missing portions along the outer periphery of these boss forming parts, allowing for reduced external dimensions and simplified manufacturing.

Benefits of technology

The design enables miniaturization of the indicator device while maintaining structural integrity and reducing manufacturing costs.

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Abstract

To provide an indicator device allowing downsizing.SOLUTION: The indicator device comprises: a substrate on which a light source is provided; a first case 20 storing the substrate; a panel having an indicator receiving light emitted from the light source and emitting light; a second case combined with the first case 20. The first case 20 includes a cylindrical light box 26a surrounding the light source, and a boss formation part 21b including a boss Bb which is a fixing portion with the second case. There is provided a plurality of light sources, which corresponds to a plurality of light boxes 26a. The plurality of light boxes 26a includes corresponding boxes 26a1, 26a2 corresponding to the boss formation part 21b. The corresponding boxes 26a1, 26a2 are provided with missing parts M1, M2 which are missing along an outer peripheral shape of the boss formation part 21b.SELECTED DRAWING: Figure 5
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Description

[Technical field]

[0001] The present disclosure relates to an indicator device. [Background technology]

[0002] For example, Patent Document 1 describes an indicator device in which a display design (indicator) formed on a panel is illuminated by a light source surrounded by a tubular portion (light box) formed in part of a pair of cases that are fitted together. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2011-133657 A Summary of the Invention [Problem to be solved by the invention]

[0004] The pair of cases are generally provided with bosses for fixing the two together, but if such bosses are provided on the outside of the indicator without any countermeasures, the outer shape of the case will be larger than necessary, which may lead to an increase in the size of the device.

[0005] The present disclosure has been made in consideration of the above-described circumstances, and has an object to provide an indicator device that can be made compact. [Means for solving the problem]

[0006] In order to achieve the above object, the indicator device according to the present disclosure comprises: A substrate on which a light source is mounted; a first case that houses the substrate; a panel having an indicator that lights up when light is emitted from the light source and is fixed to the first case; a second case that is combined with the first case, The first case is a cylindrical light box positioned between the substrate and the panel and surrounding the light source; a boss forming portion including a boss that is a fixed portion with respect to the second case and that is located closer to the second case than the light box; There are a plurality of the light sources, and a plurality of the light boxes are provided corresponding to the number of the light sources; The plurality of light boxes include corresponding boxes corresponding to the boss formation portions, The corresponding box is provided with a cutout portion cut out along the outer periphery of the boss forming portion. Effect of the Invention

[0007] According to the present disclosure, it is possible to provide an indicator device that can be made compact. [Brief description of the drawings]

[0008] [Figure 1] FIG. 2 is a rear perspective view of an indicator device according to an embodiment of the present disclosure with a second case removed. [Diagram 2] FIG. 4 is a rear perspective view of the first case according to the embodiment. [Diagram 3] FIG. [Figure 4] FIG. 13 is a diagram for explaining a step of housing the substrate in the first case according to the embodiment. [Diagram 5] FIG. 4 is a rear plan view of the first case according to the embodiment, showing a boss formation portion and a corresponding box. [Figure 6] FIG. 2 is a front plan view of a first case and a light source mounted on a board according to the embodiment. [Figure 7] FIG. 7 corresponds to FIG. 6 and is a view for explaining the double-sided tape according to the embodiment. [Figure 8] 8 is a schematic cross-sectional view of the indicator device according to the above embodiment taken along line BB in FIG. 7. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] An embodiment of the present disclosure will be described with reference to the drawings.

[0010] As shown in appropriate views of Figures 1 to 8, the indicator device 1 comprises a substrate 10, a first case 20 that houses the substrate 10, a panel 30 fixed to the first case 20, and a second case 40 (see Figure 8) that is combined with the first case.

[0011] In the following, each configuration may be described using the X, Y, and Z axes shown in the drawings. The X and Y axes are parallel to the main surface of the substrate 10 (the surface seen in FIG. 1) and are perpendicular to each other. The Z axis extends in the normal direction of the main surface of the substrate 10 (i.e., the thickness direction of the substrate 10) and is perpendicular to the X and Y axes. The direction in which the arrows indicating each of the X, Y, and Z axes point is the + (plus) direction of each axis, and the opposite direction is the - (minus) direction.

[0012] The indicator device 1 constitutes a part of a display device mounted near the driver's seat of a vehicle such as a construction machine or a vehicle. The first case 20 constitutes the front case (user's case) of the display device, and is combined with the second case 40 on the back side to constitute the housing of the display device. That is, the Z direction corresponds to the front and back direction of the display device, and FIG. 1 is a perspective view of the first case 20 and the substrate 10 as viewed from the back side of the display device. The terms front side and back side that may be used below correspond to the front side and back side of the display device. If explained using the above-mentioned Z axis, the front side of the display device is the "-Z side" and the back side is the "+Z side". In addition, the up-down direction of the display device corresponds to the Y direction, and the left-right direction corresponds to the X direction. The right side of FIG. 1 corresponds to the top of the display device. That is, the indicator device 1 is located at the top of the display device. In the display device, a display such as a liquid crystal display panel (not shown) is mounted in a portion below the indicator device 1 (corresponding to the left side of FIG. 1).

[0013] The substrate 10 is a PCB (Printed Circuit Board) on which a connector 11 shown in Fig. 1 and Fig. 3, a light source 12 shown in Fig. 4, and the like are mounted. The light source 12 is, for example, an LED (Light-Emitting Diode). The substrate 10 is longer in the X direction than in the Y direction and is formed in a generally rectangular shape. As shown in Figs. 6 and 7, a plurality of light sources 12 are arranged along the X direction. The detailed structure of the substrate 10 will be described later.

[0014] 2, the first case 20 includes a first wall portion 21, a second wall portion 22, a third wall portion 23, a fourth wall portion 24, an opening portion 25, a board accommodating portion 26, and a main plate portion 27. The main plate portion 27 corresponds to a bottom portion that is visible when the first case 20 is viewed from the opening portion 25 in the Z direction. For example, the first case 20 is formed of a well-known resin material.

[0015] The first to fourth walls 21 to 24 are each erected from the main plate 27 of the first case 20, and as shown in FIG. 1, cooperate to form a surrounding wall that surrounds the substrate 10 from all sides.

[0016] The first wall portion 21 and the second wall portion 22 extend in the longitudinal direction (X direction) of the substrate 10, and face each other with a gap therebetween in the lateral direction (Y direction) of the substrate 10.

[0017] The third wall portion 23 and the fourth wall portion 24 extend in the short-side direction (Y direction) of the substrate 10 and face each other with a gap in between in the long-side direction (X direction) of the substrate 10. The first wall portion 21 is located to the right of the second wall portion 22 in Fig. 1. The third wall portion 23 is located above the fourth wall portion 24 in Fig. 1.

[0018] The opening 25 is located between the first wall portion 21 and the second wall portion 22, and also between the third wall portion 23 and the fourth wall portion 24. Specifically, the opening 25 is a portion surrounded by the ends opposite the main plate portion 27 of the first to fourth wall portions 21 to 24 which cooperate to form a surrounding wall.

[0019] Boss forming portions 21a, 21b on which bosses Ba, Bb are formed are provided at the end of the first wall portion 21 on the opening 25 side. The bosses Ba, Bb are configured to fix the second case 40 to the first case 20. The boss forming portion 21a and the boss forming portion 21b are provided with a gap between them in the X direction.

[0020] The boss forming portions 21a and 21b are an example of a protruding portion that protrudes toward the second wall portion 22. The boss forming portions 21a and 21b (protruding portions) are located at positions overlapping with the substrate 10 accommodated in the substrate accommodating portion 26 in the Z direction.

[0021] In Fig. 4, the substrate 10 accommodated in the substrate accommodating section 26 is indicated by a two-dot chain line. Referring to Fig. 4, it can be seen that the boss forming section 21a (protruding section) is located at a position overlapping with the substrate 10 accommodated in the substrate accommodating section 26 in the Z direction. Fig. 4 shows a schematic cross-sectional view of the first case 20 taken along line AA shown in Fig. 3, and is also a diagram for explaining the step of accommodating the substrate 10 in the first case 20, as described below. Hereinafter, both or either one of the boss forming section 21a and the boss forming section 21b may be simply referred to as the "protruding section".

[0022] The first wall 21 is provided with a rib 21c that protrudes toward the second wall 22 and extends in the Z direction. A notch 10a is formed in the substrate 10 at a portion corresponding to the rib 21c. As shown in FIG. 1, when the substrate 10 is accommodated in the substrate accommodation section 26, the rib 21c is located in the notch 10a. As shown in FIG. 2, the rib 21c is provided above the base 26b of the substrate accommodation section 26 (in the opening direction of the opening 25). The notch 10a is located in the center of the substrate 10 in the longitudinal direction (X direction). The center may be the exact center of the substrate 10 in the longitudinal direction, but may be a portion shifted from the exact center. The roles of the notch 10a, the rib 21c, and the base 26b will be described later.

[0023] An inclined portion 22a is provided on the second wall portion 22. As shown in Fig. 4, the inclined portion 22a is located at a position that does not overlap with the substrate 10 accommodated in the substrate accommodating portion 26 in the Z direction, and is inclined such that the position in the Z direction of the inclined portion 22a approaches the substrate accommodating portion 26 as the portion approaches the first wall portion 21 in the Y direction.

[0024] In this embodiment, the inclined portion 22a is composed of a plurality of inclined ribs arranged at intervals in the X direction. The plurality of inclined ribs are inclined in the same manner. The inclined portion 22a may be composed of a single or multiple inclined surfaces formed on the second wall portion 22.

[0025] The board accommodating section 26 is a section that accommodates the board 10 inserted through the opening 25. The board accommodating section 26 is a section surrounded by the first to fourth walls 21 to 24, and is located on the side of the first case 20 opposite to the side where the opening 25 is open.

[0026] As shown in FIG. 2, the substrate accommodating section 26 includes fixing bosses B1 to B4 for fixing the substrate 10, pins P1 and P2, a light box 26a, and the aforementioned base 26b.

[0027] The fixed bosses B1 to B4 are provided so as to protrude from the main plate portion 27 of the first case 20 toward the opening 25, and come into contact with the board 10 accommodated in the board accommodation portion 26. The fixed bosses B1 to B4 are arranged at intervals in the X direction. In the X direction, the fixed boss B1 is provided at one end of the main plate portion 27, and the fixed boss B2 is provided at the other end. The fixed bosses B3 and B4 are provided between the fixed bosses B1 and B2. Explained using the directions in FIG. 2, from top to bottom, the fixed bosses are located in the order of fixed boss B1, fixed boss B3, fixed boss B4, and fixed boss B2.

[0028] As shown in Fig. 3, the substrate 10 is formed with a screw hole H1 corresponding to the fixing boss B1, a screw hole H2 corresponding to the fixing boss B2, a screw hole H3 corresponding to the fixing boss B3, and a screw hole H4 corresponding to the fixing boss B4. As shown in Fig. 1, the substrate 10 is fixed to the substrate accommodating portion 26 by screws S1 to S4. Specifically, the screw S1 is screwed into the fixing boss B1 through the screw hole H1, the screw S2 is screwed into the fixing boss B2 through the screw hole H2, the screw S3 is screwed into the fixing boss B3 through the screw hole H3, and the screw S4 is screwed into the fixing boss B4 through the screw hole H4.

[0029] The pins P1 and P2 are components for determining the position of the substrate 10 relative to the first case 20. The pin P1 protrudes from the main plate portion 27 of the first case 20 toward the opening 25, and is formed higher than the fixed boss B1. The pin P1 is formed adjacent to the fixed boss B1 in order to ensure its strength. Similarly, the pin P2 protrudes from the main plate portion 27 of the first case 20 toward the opening 25, and is formed higher than the fixed boss B2. The pin P2 is formed adjacent to the fixed boss B2 in order to ensure its strength.

[0030] As shown in FIG. 3, the substrate 10 is formed with a hole O1 into which the pin P1 is inserted and a hole O2 into which the pin P2 is inserted. The diameter of the hole O1 is slightly larger than the outer diameter of the pin P1, and the diameter of the hole O2 is slightly larger than the outer diameter of the pin P2. In particular, the hole O2 is formed in an elongated shape with a diameter expanding in the X direction. Here, the holes O1 and O2 are configured to determine the position of the substrate 10 relative to the first case 20 in cooperation with the pins P1 and P2, but are not used to determine the complete relative position of the two, but are used for temporary fixing in all stages of the main fixation described below. By forming the holes O1 and O2 as described above, the substrate 10 can be temporarily fixed to the first case 20 stably even if manufacturing errors or thermal displacement occur.

[0031] 3, in this embodiment, the screw holes H2 and O2 are located below the connector 11 located below the substrate 10. In terms of the direction in FIG. 3, the screw holes H2 and O2 are located at the lower end of the substrate 10, while the screw holes H1 and O1 are located at the upper end of the substrate 10.

[0032] The light box 26a has a cylindrical shape expanding from the light source 12 toward the panel 30, and surrounds the light source 12. The light box 26a is formed integrally with the main plate portion 27, and is provided so as to be recessed toward the rear side (+Z side) of the main plate portion 27. The light boxes 26a are lighting chambers corresponding to each indicator described later, and a plurality of light boxes 26a are provided side by side in the X direction. As shown in Figs. 6 and 7, a plurality of light sources 12 corresponding to each of the plurality of light boxes 26a are provided on the board 10. As shown in Fig. 4, the panel 30 is provided on the first case 20 at a position facing the light box 26a in the Z direction. The light box 26a is located between the board 10 and the panel 30. The boss forming portions 21a and 21b described above are located closer to the second case 40 than the light box 26a (i.e., in the +Z direction than the light box 26a).

[0033] The panel 30 is located on the front side of the display device, and is fixed to the first case 20. The panel 30 is a glass plate made of organic or inorganic glass that is decorated by printing or the like. The panel 30 has an indicator that receives light emitted by the light source 12 and emits light to display. The indicator is an icon, design, or the like that indicates the status of the vehicle in which the indicator device 1 is mounted, and at least a part of it is translucent. One indicator is formed in a portion of the panel 30 that faces one light box 26a. That is, there are multiple indicators corresponding to the multiple light sources 12 and the multiple light boxes 26a. As a result, when a certain light source 12 emits light, the indicator facing that light source 12 is turned on to display a predetermined indicator.

[0034] 2 and 5, the light boxes 26a include corresponding boxes 26a1 and 26a2 corresponding to the boss forming portion 21b. The corresponding boxes 26a1 and 26a2 are provided at positions generally adjacent to the boss forming portion 21b in the Y direction, and thus correspond to the boss forming portion 21b. The two corresponding boxes 26a1 and 26a2 are adjacent to each other in the X direction.

[0035] The outer peripheral shape (outer edge) of the portion of the boss forming portion 21b facing the two corresponding boxes 26a1, 26a2 is generally arc-shaped. As shown in Fig. 5, the corresponding box 26a1 has a missing portion M1 that is missing along the outer peripheral shape of the boss forming portion 21b. The corresponding box 26a2 has a missing portion M2 that is missing along the outer peripheral shape of the boss forming portion 21b.

[0036] Specifically, a notch N having a shape corresponding to the boss forming portion 21b and slightly larger than the boss forming portion 21b is formed on the front side (-Z side) of the boss forming portion 21b of the first case 20. As shown in Fig. 5, when the first case 20 is viewed from the back side, the notch N is visually recognized as a gap (see the hatched portion) formed between the boss forming portion 21b and the corresponding boxes 26a1, 26a2. The notch N is formed across the main plate portion 27 and the corresponding boxes 26a1, 26a2.

[0037] Here, the missing portion M1 of the corresponding box 26a1 refers to the boundary portion of the corresponding box 26a1 with the notch N. Also, the missing portion M2 of the corresponding box 26a2 refers to the boundary portion of the corresponding box 26a2 with the notch N. Therefore, the missing portions M1 and M2 do not overlap with the boss forming portion 21b in the Z direction (the plate thickness direction of the board 10). Also, the missing portions M1 and M2 extend across the adjacent corresponding boxes 26a1 and 26a2.

[0038] As described above, the corresponding boxes 26a1, 26a2 are provided with the missing portions M1, M2 that are missing along the outer peripheral shape of the boss forming portion 21b. This allows the boss forming portion 21b to be disposed closer to the light box 26a (the corresponding boxes 26a1, 26a2), so that the outer dimensions of the first case 20 can be reduced accordingly, and the indicator device 1 can be made more compact.

[0039] Furthermore, the missing portions M1 and M2 do not overlap with the boss forming portion 21b in the Z direction (the thickness direction of the substrate 10). This simplifies the structure of a mold for manufacturing the first case 20 by injection molding, facilitating the manufacture of the first case 20 and, as a result, enabling a reduction in manufacturing costs.

[0040] 6 and 7 are plan views of the front side of the first case 20 in a state in which the substrate 10 is housed in the first case 20. In this state, a part of the substrate 10 is located between the boss forming portion 21b and the cutout N, and therefore a part of the substrate 10 is visible through the cutout N.

[0041] Here, as shown in FIG. 6, the shapes of the corresponding boxes 26a1 and 26a2 on the front side of the first case 20 will be described. The corresponding box 26a2 is located above the corresponding box 26a1 in FIG. 6 (in the -X direction). A partition wall portion E2 is formed on the outer edge portion of the corresponding box 26a2 adjacent to the notch N. This prevents light from the light source 12 located in the corresponding box 26a2 from leaking into the notch N. On the other hand, unlike the partition wall portion E2, the outer edge portion of the corresponding box 26a1 adjacent to the notch N has a communication portion E1 that communicates with the notch N. Therefore, the light from the light source 12 located in the corresponding box 26a1 leaks out in the direction of the notch N, but does not enter the corresponding box 26a2 due to the presence of the partition wall portion E2. It is preferable that the indicator that is turned on by the light source 12 located in the corresponding box 26a2 having the partition wall portion E2 is designed so that the position facing the partition wall portion E2 does not have translucency. If the position of the indicator facing the partition wall portion E2 is translucent, the partition wall portion E2 will be visible through the panel 30 to the user, which is undesirable in appearance.

[0042] Fig. 8 is a schematic cross-sectional view of the indicator device 1 taken along line BB shown in Fig. 7. In Fig. 8, configurations whose cross sections cannot be seen are shown by schematic broken lines. As shown in Fig. 8, the boss forming portion 21b includes the boss Bb described above and a groove portion Gb into which the packing 5 sandwiched between the first case 20 and the second case 40 is fitted. The first case 20 and the second case 40 are assembled by screwing together using a screw 6 attached to the boss Bb.

[0043] 5, the groove portion Gb is provided in a position of the boss formation portion 21b that avoids the boss Bb. This makes it possible to achieve a compact size while ensuring an airtight state inside the indicator device 1.

[0044] 7 and 8 show the double-sided tape 7 for fixing the panel 30 to the first case 20. In reality, the double-sided tape 7 is provided along the outer edge of the display device including the indicator unit 1, but FIG. 8 shows only a portion of the tape. The portion of the double-sided tape 7 shown in FIG. 7 that extends in a strip shape in the X direction is provided so as to cover most of the cutout N. This prevents light emitted from the light source 12 in the corresponding box 26a1 and leaking into the cutout N from reaching the panel 30.

[0045] For example, the board 10 is electrically connected to a control board (not shown) via a connector 11, and the light emission of the light source 12 is controlled by the control of the control board. The description of the configuration of the indicator device 1 has been completed.

[0046] Next, a process of housing the substrate 10 in the first case 20 will be described as a method of manufacturing the indicator device 1. The method of manufacturing the indicator device 1 constitutes, for example, a part of the manufacturing process of the display device described above.

[0047] First, as shown in Fig. 4, the first case 20 to which the panel 30 is attached is placed with the opening 25 facing upward. In this state, the protruding portion (the boss forming portion 21a in Fig. 4) is positioned to overlap with the board accommodating portion 26 in the Z direction, so the board 10 cannot be simply inserted into the board accommodating portion 26 from the top to the bottom in Fig. 4.

[0048] Therefore, the manufacturing method of the indicator device 1 of this embodiment includes a step (hereinafter referred to as the accommodating step) of accommodating the substrate 10 in the substrate accommodating portion 26 by inserting one end of the substrate 10 (the right end in FIG. 4) between the protruding portion and the substrate accommodating portion 26 and sliding and pushing the other end of the substrate 10 (the left end in FIG. 4) with the inclined portion 22a, as shown in FIG. 4. In other words, the inclined portion 22a functions as a guide for guiding the substrate 10 to the substrate accommodating portion 26. Thus, according to the first case 20 provided with the inclined portion 22a and the accommodation step utilizing the inclined portion 22a, when the substrate 10 is accommodated in the substrate accommodation portion 26, the other end of the substrate 10 is pushed by the inclined portion 22a, so that the substrate 10 as a whole approaches the first wall portion 21 and is guided into the substrate accommodation portion 26. Therefore, it is easy to accommodate the substrate 10 in the first case 20.

[0049] The degree to which the inclined portion 22a is inclined can be determined arbitrarily according to the design. It goes without saying that the board 10 is inserted so that the light source 12 faces downward in FIG. 4, that is, faces the light box 26a.

[0050] In the accommodating step, the substrate 10 is accommodated in the substrate accommodating portion 26 through a process in which the notch 10a formed in one end of the substrate 10 is brought into contact with the rib 21c. This makes it possible to suppress misalignment of the substrate 10 in the X direction relative to the first case 20 before the substrate 10 is placed in the substrate accommodating portion 26. This facilitates the operation of inserting the pins P1, P2 formed in the substrate accommodating portion 26 into the holes O1, O2 formed in the substrate 10, as described below.

[0051] In the accommodating step, in the process of accommodating the substrate 10 in the substrate accommodating portion 26, the pins P1 and P2 are inserted into the holes O1 and O2, and the position of the substrate 10 relative to the first case 20 is determined. In this manner, by using the pins P1, P2 formed in the first case 20 and the holes O1, O2 formed in the substrate 10, the position of the substrate 10 relative to the first case 20 in each of the X and Y directions can be roughly determined prior to the main fixation described below.

[0052] After the above-mentioned accommodation step, the substrate 10 is temporarily fixed, i.e., accommodated, in the substrate accommodation portion 26, and then a final fixing step is executed to final fix the substrate 10 to the substrate accommodation portion 26. In the final fixing step, the substrate 10 is final fixed to the substrate accommodation portion 26 by screwing the screw S1 into the fixing boss B1 through the screw hole H1, the screw S2 into the fixing boss B2 through the screw hole H2, the screw S3 into the fixing boss B3 through the screw hole H3, and the screw S4 into the fixing boss B4 through the screw hole H4.

[0053] When the substrate 10 is fully fixed in the substrate accommodating portion 26, the fixing bosses B1 to B4 naturally come into contact with the substrate 10, and also come into contact with the base 26b provided below the rib 21c. That is, in this embodiment, the position of the substrate 10 in the Z direction relative to the first case 20 is determined by the fixing bosses B1 to B4 and the base 26b. When the substrate 10 is fully fixed in the substrate accommodating portion 26, the rib 21c does not have to come into contact with the cutout 10a of the substrate 10. This is because the rib 21c is provided mainly for the purpose of restricting the movement of the substrate 10 when it is inserted into the substrate accommodating portion 26.

[0054] The present invention is not limited to the above-described embodiment and drawings, and can be modified (including the deletion of components) as appropriate without departing from the spirit of the present invention.

[0055] The protruding portions provided on the first wall portion 21 and protruding toward the second wall portion 22 may be configured to be formed for a purpose different from that of the boss forming portions 21a, 21b, and the number of such protruding portions is also arbitrary. In addition, the number of each of the pins formed in the board accommodating portion 26 and the holes provided in the board 10 into which the pins are inserted is arbitrary as long as it is two or more.

[0056] (Additional Note) (Appendix 1) A substrate on which a light source is mounted; a first case that houses the substrate; a panel having an indicator that lights up when light is emitted from the light source and is fixed to the first case; a second case that is combined with the first case, The first case is a cylindrical light box positioned between the substrate and the panel and surrounding the light source; a boss forming portion including a boss that is a fixed portion with respect to the second case and that is located closer to the second case than the light box; There are a plurality of the light sources, and a plurality of the light boxes are provided corresponding to the number of the light sources; The plurality of light boxes include corresponding boxes corresponding to the boss formation portions, The corresponding box is provided with a missing portion that is missing along an outer circumferential shape of the boss forming portion. Indicator device.

[0057] (Appendix 2) The missing portion does not overlap with the boss forming portion in a thickness direction of the substrate. 2. The indicator device of claim 1.

[0058] (Appendix 3) The corresponding boxes are two adjacent boxes, The missing portion spans the adjacent corresponding boxes. 3. The indicator device of claim 1 or 2.

[0059] (Appendix 4) The boss forming portion further includes a groove portion into which a packing sandwiched between the first case and the second case is fitted. 4. An indicator device according to any one of claims 1 to 3.

[0060] (Appendix 5) The groove portion is provided at a position of the boss forming portion so as to avoid the boss. 5. The indicator device of claim 4.

[0061] In the above description, descriptions of well-known technical matters have been omitted as appropriate in order to facilitate understanding of the present disclosure.

[0062] Various embodiments and modifications of the present invention are possible without departing from the broad spirit and scope of the present invention. The above-described embodiments are for the purpose of explaining the present invention and do not limit the scope of the present invention. That is, the scope of the present invention is indicated by the claims, not the embodiments. Various modifications made within the scope of the claims and the scope of the invention equivalent thereto are considered to be within the scope of the present invention. [Explanation of symbols]

[0063] 1...Indicator device 10... board, 11... connector, 12... light source 10a…Notch 20…Case 1 21…First wall part 21a... boss forming portion, Ba... boss 21b... boss forming portion, Bb... boss, Gb... groove portion 21c…Rib 22...Second wall part, 22a...Slope part 23…Third wall part 24...4th wall section 25…Opening 26...Substrate housing section 26a…Lightbox 26a1: Corresponding box, M1: Missing part, E1: Connecting part 26a2: Corresponding box, M2: Missing part, E2: Partition 26b...unit 27…Main plate part N…Notch B1~B4…Fixed boss, H1~H4…Threaded hole, S1~S4…Screw P1, P2...pins O1,O2…hole 30…Panel 40…Case 2 5... Packing, 6... Screws, 7... Double-sided tape

Claims

1. A substrate on which a light source is mounted; A first case that accommodates the substrate; a panel having an indicator that lights up when light is emitted from the light source and is fixed to the first case; a second case that is combined with the first case, The first case is a cylindrical light box positioned between the substrate and the panel and surrounding the light source; a boss forming portion including a boss that is a fixed portion with respect to the second case and that is located closer to the second case than the light box; There are a plurality of the light sources, and a plurality of the light boxes are provided corresponding to the number of the light sources; The plurality of light boxes include corresponding boxes corresponding to the boss formation portions, The corresponding box is provided with a missing portion that is missing along an outer circumferential shape of the boss forming portion. Indicator device.

2. The missing portion does not overlap with the boss forming portion in a thickness direction of the substrate. The indicator device of claim 1 .

3. The corresponding boxes are two adjacent boxes, The missing portion spans the adjacent corresponding boxes. An indicator device according to claim 1 or 2.

4. The boss forming portion further includes a groove portion into which a packing sandwiched between the first case and the second case is fitted. An indicator device according to claim 1 or 2.

5. The groove portion is provided at a position of the boss forming portion so as to avoid the boss.

5. The indicator device of claim 4.

Citation Information

Patent Citations

  • Indicator device

    JP2011133657A