JP2020023223A - Light guide tube, marker lamp, and manufacturing method of the same - Google Patents

Abstract

To provide a light guide tube, a marker lamp, and a manufacturing method of the same which can respond to realization of various designs without impairing productivity.SOLUTION: A marker lamp 1 is structured of a head lamp 11, a tail lamp 13, a decorative lamp 15, a light guide tube 17, and a front tail lamp glass 19. The light guide tube 17 is structured of a mounting frame 21, a front lamp tube 23, a tail lamp tube 25, and a decorative lamp tube 27. The mounting frame 21 is structured separately from the front lamp tube 23, the tail lamp tube 25, and the decorative lamp tube 27. The mounting frame 21 is coated with a different color from the front lamp tube 23, the tail lamp tube 25, and the decorative lamp tube 27. With this structure, various aesthetic appearances of the light guide tube 17 can be realized. As the mounting frame 21 is structured separately from the front lamp tube 23, the tail lamp tube 25, and the decorative lamp tube 27, coating material reaches even fine portions of each member when the members are coated respectively, and quality of the respective members can be improved.SELECTED DRAWING: Figure 2

Description

  TECHNICAL FIELD The present invention relates to an optical conduit, a marker light, and a method for manufacturing the same, used for a railway vehicle.

Marking lights for indicating the head and tail of the railcar are provided on the head and tail of the railcar. For example, Patent Literature 1 discloses a sign lamp configured integrally with a cab device unit. The marker lamp includes a headlight, a taillight, and a housing. The housing has an integral structure with a cab device unit, and the headlight and the taillight are mounted in the housing.
In general, a sign light is provided with a headlight glass, and this headlight glass is transparent only in a portion that transmits light of a headlight and a taillight, and is not transmitted through other portions. , Black and the like.

JP 2002-283910 A

  By the way, the design of railway vehicles in recent years has also been diversified, and there is a demand for an unprecedented shape for the marker light as a design element at the head. However, in the structure of the conventional marker light, it may be difficult to cope with diversification of designs without impairing productivity, and it is necessary to reconsider the configuration.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an optical conduit, a marker lamp, and a method for manufacturing the same, which can respond to various designs without impairing productivity. Is to provide.

(Aspect of the invention)
The following aspects of the present invention are illustrative of the aspects of the present invention, and are described separately in order to facilitate understanding of various components of the present invention. The following items do not limit the technical scope of the present invention, and, while taking into consideration the best mode for carrying out the present invention, partially replace, delete, or further replace the components of each item. An embodiment in which another component is added can also be an embodiment of the present invention.

  (1) An optical conduit for accommodating a headlight and a taillight of a railway vehicle, wherein the headlight tube guides light emitted from the headlight to the outside, and guides light emitted from the taillight to the outside. A taillight tube and a mounting frame for holding the headlight tube and the taillight tube are configured separately, and the headlight tube and the taillight tube are at least partially different in color from the mounting frame. A light pipe which has been coated so as to be (claim 1).

  In the light pipe of this section, a headlight tube for guiding light emitted from a headlight to the outside, a taillight tube for guiding light emitted from a taillight to the outside, a headlight tube and a taillight tube are held. The mounting frame is configured separately from the mounting frame, and by assembling the mounting frame and the mounting frame, it is configured as an optical conduit for guiding light emitted from the headlight and the taillight to the outside. In addition, since the headlight tube, the taillight tube, and the mounting frame are configured separately, each member can be molded, and the structure of the molding die can be avoided.

  Further, in the light pipe according to this section, the headlight tube and the tail light pipe are painted so that at least a part thereof is different in color from the mounting frame, thereby realizing various aesthetic appearances of the light pipe. . Also, since the headlight tube, taillight tube, and mounting frame are configured separately, if each member is to be painted, the paint will reach even the fine parts of each member, It will enhance quality. In addition, even if a masking operation is performed on a portion of a different color during the painting operation, the masking can be performed for each member, so that the burden of the painting operation can be reduced and the operation efficiency can be improved.

  (2) In the above item (1), the mounting frame includes a housing including a bottom plate and a wall plate surrounding the bottom plate, an opening is formed in the housing, and the headlight tube and the taillight are formed in the opening. A tube is inserted, and a joint between the mounting frame and the headlight tube and / or the taillight tube is continuously connected at least partially across a narrow valley fold line. Conduit (claim 2).

  In the light pipe according to this item, the mounting frame includes a housing including a bottom plate and a wall plate surrounding the bottom plate, an opening is formed in the housing, and a headlight tube and a tail light tube are inserted into the opening, so that the front frame is formed. The illumination tube and the tail lamp are housed in a space surrounded by the bottom plate and the wall plate surrounding the bottom plate. In addition, the joint between the mounting frame and the headlight tube and / or the taillight tube is continuously connected at least partially across a narrow valley fold line. Even if this configuration is adopted, by separately painting the mounting frame, the headlight tube and the taillight tube, in a state where these are combined, the portion near the narrow valley fold line is also painted. This ensures the required coating quality and achieves a variety of aesthetic appearances of the light pipe.

  (3) In the above item (2), the headlight tube and the tail light tube each have a tubular wall portion, and the wall plate or the bottom plate of the housing of the mounting frame; the headlight tube; And / or an optical conduit connected to the tubular wall of the tail light tube via the joint (Claim 3).

  In the light pipe according to this section, the headlight tube and the taillight tube each have a tubular wall, so that light emitted from the headlight and the taillight is reflected by the inner wall surface of the tubular wall and guided to the outside. It will be a thing. Further, the wall plate or bottom plate of the housing of the mounting frame and the tubular wall portion of the headlight tube and / or the taillight tube are connected to each other through a joint portion, so that the headlight tube and the taillight tube are connected to each other. Is securely held to the mounting frame. In addition, the headlight tube and the taillight tube have a protruding shape that exerts a sense of presence inside the space surrounded by the bottom plate and wall plate of the mounting frame, which gives the sign light a variety of designs. Becomes

  (4) In the above item (2) or (3), the joint portion includes a chipped portion provided in the mounting frame and the headlight tube and / or the taillight tube. Light conduit (claim 4).

  In the optical conduit according to this section, the notched portion forms a notched surface in which the abutting portion of the members is cut out complementarily, and the notched surface protrudes in a crank-shaped manner in a sectional view of the notched portion. By being combined, the joint area is sufficiently ensured, and the sealing and / or fixation of the butted portion is ensured. In addition, it is possible to prevent an unnecessary increase in the thickness of the member by keeping it in the abutted state at the same thickness as the general portion of the member. Then, the mounting position of the headlight tube and / or the taillight tube with respect to the mounting frame is easily determined, and the mounting frame and the headlight tube and / or the taillight tube are easily and reliably connected. It will be.

  (5) The optical conduit according to the above (4), wherein an adhesive layer is provided from outside the bottom plate and / or the wall of the mounting frame to cover the missing portion (claim 5).

  In the light pipe according to this aspect, the adhesive frame that covers the notch portion is included from the outside of the bottom plate and / or the wall of the mounting frame, so that the mounting frame and the headlight tube and / or the taillight tube can be connected to each other. The joint is securely fixed. As described above, the notch portion secures a sufficient joining area to secure the sealing property and / or fixation of the butt portion, and the shape thereof ensures the positioning of the members. The amount used will be reduced. Further, the joint between the mounting frame and the headlight tube and / or the taillight tube has a chipped structure, that is, the chipped surface is abutted in a manner in which the chipped surface is bent in a crank shape in a sectional view of the chipped part, Compared to a simple butt structure, the distance from the outside of the bottom plate and / or the wall of the mounting frame to the inside of the mounting frame is longer. As a result, even if the adhesive is applied from the outside of the bottom plate and / or the wall of the mounting frame, the adhesive hardly penetrates from the joint to the inside of the mounting frame, that is, the portion that affects the appearance of the sign lamp. This avoids damaging the appearance.

  (6) The light pipe according to the above items (1) to (5), a headlight and a taillight housed in the light pipe, and fixed to a flange formed on the wall of the mounting frame. A sign lamp comprising a transparent taillight glass (Claim 6).

  In the marker light of this section, the light pipe, the headlight, the taillight, and the headlight glass are integrated as a unit. Further, since the taillight glass is transparent, the shape realized by each of the light pipes in the above items (1) to (5) can be visually recognized through the front light glass, thereby increasing the variety of the design of the marker light. It will be realized.

  (7) A method for manufacturing a light pipe for housing a headlight and a taillight of a railway vehicle, comprising: a headlight tube for guiding light emitted from the headlight to the outside; and light emitted from the taillight. The tail light tube leading to the outside and the mounting frame holding the headlight tube and the tail light tube are formed so as to be configured separately, and the headlight tube and the tail light tube are at least A method for manufacturing a light pipe, wherein a part of the light pipe is painted so as to have a different color from the mounting frame (claim 7).

  (8) In the above item (7), a housing comprising a bottom plate and a wall plate surrounding the bottom plate is formed in the mounting frame, an opening is formed in the housing, and the headlight tube and the tail are formed in the opening. A light pipe that inserts a light tube and continuously connects the mounting frame and the headlight tube and / or the tail light tube at least partially across a narrow valley fold line; Manufacturing method (Claim 8).

  (9) In the above item (8), the headlight tube and the tail light tube each have a tubular wall portion, and the wall plate or the bottom plate of the housing of the mounting frame, and the headlight tube and / or the taillight tube. Alternatively, a method of manufacturing an optical conduit for connecting the tubular wall portion of the tail light tube to the tubular wall portion via the joint portion (claim 9).

  (10) In the above item (8) or (9), a method for manufacturing an optical conduit in which a joint is formed as the joint between the mounting frame and the headlight tube and / or the taillight tube. (Claim 10).

  (11) The method for manufacturing an optical conduit according to the above (10), wherein the phase-missing portion is covered with an adhesive layer from outside the bottom plate and / or the wall of the mounting frame (claim 11).

  (12) A sign that accommodates a headlight and a taillight in the light pipe according to the above (7) to (11), and fixes a transparent taillight glass to a flange formed on the wall of the mounting frame. A method for manufacturing a lamp (Claim 12).

In the method for manufacturing an optical conduit described in the above items (7) to (11), the same operation as that obtained by each of the optical conduits described in the above items (1) to (5) is achieved.
Further, in the method for manufacturing a marker lamp of the above item (12), the same operation as that of the marker lamp of the above item (6) is achieved.

  ADVANTAGE OF THE INVENTION By comprising as mentioned above, this invention can provide the light pipe which can respond to realization of various designs, without losing productivity, a marker lamp, and those manufacturing methods.

It is an outline perspective view of the head part of the railcar provided with the marker light concerning one embodiment of the present invention. FIG. 2 is an exploded perspective view of the marker light shown in FIG. 1. FIG. 3 is a rear perspective view of a mounting frame, a headlight tube, a tail light tube, a decorative light tube, and a headlight glass that constitute the marker light illustrated in FIG. 2. FIG. 4 is an exploded view of a mounting frame, a headlight tube, a tail light tube, a decorative light tube, and a headlight glass that constitute the marker light illustrated in FIG. 3. FIG. 4 is a schematic sectional view taken along line AA shown in FIG. 3. It is an enlarged view of the X part shown in FIG. It is a figure of the attachment frame shown in FIG. 2, (a) is a front view of an attachment frame, (b) is a top view of an attachment frame. It is a figure of the headlamp tube shown in FIG. 2, (a) is a front view of a headlamp tube, (b) is a top view of a headlamp tube. It is sectional drawing of the headlight tube shown in FIG. 8, (a) is sectional drawing along the BB line | wire shown in FIG. 8 (a), (b) is shown in FIG. 8 (b). It is sectional drawing along CC line. It is a figure of the tail light tube shown in FIG. 2, (a) is a front view of a tail light tube, (b) is a top view of a tail light tube. It is sectional drawing of the tail light tube shown in FIG. 10, (a) is sectional drawing along the DD line shown in FIG. 10 (a), (b) is E shown in FIG. 10 (b). It is sectional drawing which followed the -E line. It is a figure of the decorative light tube shown in FIG. 2, (a) is a front view of a decorative light tube, (b) is a top view of a decorative light tube. It is sectional drawing of the decorative light tube shown in FIG. 12, (a) is sectional drawing along the FF line | wire shown in FIG. 12 (a), (b) is G shown in FIG. 12 (a). It is sectional drawing along the -G line, (c) is sectional drawing along the HH line shown to FIG.12 (b). FIG. 2 is a flowchart of a method for manufacturing the light pipe and the marker light shown in FIG. 1.

Hereinafter, a configuration of a marker lamp including a light pipe according to an embodiment of the present invention will be described in detail with reference to FIGS.
The marker lamp 1 according to one embodiment of the present invention is installed at the head portion 5 and the tail portion of the railway vehicle 3 (FIG. 1 shows the head portion 5 of the railway vehicle 3 including the marker lamp 1. ). Referring to FIG. 2, the marker light 1 includes a headlight 11, a taillight 13, a decoration light 15, a light pipe 17, and a taillight glass 19.

  Referring to FIG. 2, headlight 11 is a lamp that illuminates the course direction, and is fixed to a structure of head portion 3 (not shown). The taillight 13 is a lamp that indicates the tail end of the railcar 3 and is fixed to the structure of the head part 3 (not shown). The decorative lamp 15 is a lamp for improving the design of the marker lamp 1, and is fixed to the structure of the head 3 (not shown).

  The light conduit 17 includes a mounting frame 21, a headlight tube 23, a tail light tube 25, and a decorative light tube 27. The mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are configured separately, and the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube are formed separately. 27 are assembled to form an integrated light conduit 17. In the illustrated example, when the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are assembled to the mounting frame 21, the decorative light tube 27 near the center of the vehicle body projects forward from the bottom plate 29 of the mounting frame 21 to the front. And the headlight tube 23 and the taillight tube 25 are arranged in this order so that the amount of protrusion of the bottom plate 29 of the mounting frame 21 is reduced (see FIG. 2). The mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are painted in different colors. Specifically, at least a part of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is painted golden, and the other parts are painted black. The surface of the mounting frame 21 is painted in black.

  The mounting frame 21 includes a housing 32 including a bottom plate 29 and a wall plate 31 surrounding the bottom plate 29 (see FIGS. 3, 4, and 7), and a space 33 formed by the bottom plate 29 and the wall plate 31. A headlight tube 23, a tail light tube 25, and a decorative light tube 27 are housed in the inside (see FIGS. 2 and 7A). The wall plate 31 of the housing 32 of the mounting frame 21 is formed with a flange 34 extending from the end to the outside of the mounting frame 21 (in the present embodiment, the outer edge of the flange 34 has a substantially rectangular shape in a front view). ing). Openings 35 and 37 are formed in the housing 32. Specifically, a plurality of openings 35 (three in the illustrated example) are formed in the bottom plate 29. The opening 35 includes an opening 35 a for inserting the headlight tube 23, an opening 35 b for inserting the tail light tube 25, and an opening 35 c for inserting the decorative light tube 27. The opening range of the opening 35a at least partially extends to the boundary between the bottom plate 29 and the wall plate 31, that is, the upper corner of the bottom plate 29 and the wall plate 31 in FIG. The opening range of the opening 35b at least partially extends to the boundary between the bottom plate 29 and the wall plate 31, that is, the upper and lower corners of the bottom plate 29 and the wall plate 31 in FIG. The opening range of the opening 35c at least partially extends to the boundary between the bottom plate 29 and the wall plate 31, that is, the upper and lower corners of the bottom plate 29 and the wall plate 31 in FIG. A plurality of notches 37 are formed in the wall plate 31 by cutting out a part thereof. The notch opening 37 is connected to a notch opening 37a cut through the headlight tube 23 so as to be connected to the opening 35a and an opening 35b inserted through the tail light tube 25. It includes a pair of notched openings 37b that are cut out, and a pair of notch openings 37c that are cut out so as to be connected to the openings 35c for inserting the decorative light tube 27 (see FIG. 4).

  A second joint portion 55 of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is provided on the opposite surface (back surface) of the bottom plate 29 when viewed from the front and the outer wall plate 31 of the wall plate 31. A first joint portion 39 is formed (see FIGS. 8, 10 and 12 described later) (see FIGS. 4 and 7). Specifically, when the first joint portion 39 attaches the headlight tube 23, the tail light tube 25, and the decorative light tube 27 to the attachment frame 21, the first joint portion 39 includes the headlight tube 23 and the tail on the back surface of the bottom surface of the bottom plate 29. The thickness of the portion where the light tube 25 and the decorative light tube 27 are butted and the portion of the outer wall surface of the wall plate 31 where the headlight tube 23, the tail light tube 25 and the decorative light tube 27 are butted are reduced. It has a so-called notched structure. Then, the missing portions 41a that abut against the missing portions 57 and 59 (described later; see FIG. 8) of the headlight tube 23 and the missing portions 77 and 79 of the tail light tube 25 (described later; see FIG. 10). .), And a missing portion 41c abutting with missing portions 95, 97 (described later; see FIG. 12) of the decorative light tube 27. The phase notches 41a, 41b, and 41c form notch surfaces 43a, 43b, and 43c that are bent in a crank shape in a cross-sectional view. The phase notch 41a is provided continuously along the edges of the opening 35a and the notch opening 37a (see FIG. 4). The phase notch 41b is provided continuously along the edges of the opening 35b and the pair of notches 37b (see FIG. 4). The phase notch 41c is continuously provided along the edges of the opening 35c and the pair of notches 37c (see FIG. 4).

  The headlight tube 23 has a substantially cylindrical shape having a tubular wall portion 45. The headlight tube 23 is provided with a blocking plate 47 (see FIG. 8) having an opening so that the light emitting element (see FIG. 2) of the headlight 11 can be visually recognized. A cutout opening 49 is formed in a part of the tubular wall portion 45 and the closing plate 47 of the headlight tube 23. Further, a first flange 51 (see FIG. 8) extending radially outward and a valley fold line having a narrow angle are provided at the end of the tubular wall portion 45 of the headlight tube 23 opposite to the closing plate 47. A second flange 53 connected to the inner wall portion of the notch opening 49 via the inner wall portion of the notch opening 49, that is, extending from the narrow-angled bent portion 46 (see FIG. 9B) extending from the inner wall portion of the notch opening 49. . The first flange 51 and the second flange 53 are continuous with each other, and a second joint portion 55 to be joined to the first joint portion 39 of the mounting frame 21 is formed. Specifically, the second joining portion 53 of the first flange 51 includes a notch portion 57 corresponding to the notch portion 41 a formed on the back surface of the bottom plate 29 of the mounting frame 21. The joining portion 55 includes a notch 59 corresponding to the notch 41 a formed on the outer wall of the wall plate 31. The missing portions 57, 59 of the first and second flanges 51, 53 are continuous. Further, the notch portions 57 and 59 include notch surfaces 61 and 63 bent in a crank shape in a substantially sectional view (see FIG. 9).

  The tail light tube 25 has a substantially cylindrical shape having a tubular wall portion 65. The tail light tube 25 is provided with a blocking plate 68 (see FIG. 10) having an opening so that only the light emitting element (see FIG. 2) of the tail light 13 can be visually recognized. A cutout opening 67 is formed in the tubular wall portion 65 of the tail light tube 25 (see FIG. 10B, two cutout openings 67 are formed in the illustrated example). Further, a cover plate 69 (see FIG. 4) for closing the notch opening 67 is used. Further, a first flange 71 (see FIG. 10) extending radially outward is provided at an end of the tubular wall portion 65 of the tail light tube 25 opposite to the closing plate 68 via a narrow valley fold line. And a second flange 73 connected to the inner wall of the notch opening 67, that is, a second flange 73 extending from the bent portion 66 having a narrow angle extending from the inner wall of the notch opening 67 (see FIG. 11). The first flange 71 and the second flange 73 are continuous with each other, and a second joint portion 55 to be joined to the first joint portion 39 of the mounting frame 21 is formed. Specifically, the second joint portion 55 of the first flange 71 includes a notch 77 corresponding to the notch 41 b formed on the back surface of the bottom plate 29 of the mounting frame 21, and the second joint 55 of the second flange 73. The joining portion 55 includes a notch 79 corresponding to the notch 41b formed on the outer wall plate 31 of the wall plate 31. The missing portion 77 of the first flange 71 and the missing portion 79 of the second flange 73 are continuous. The notches 77, 79 have notched surfaces 81, 83 bent in a crank shape in a sectional view (see FIG. 11).

  The decorative light tube 27 has a substantially cylindrical shape having a tubular wall portion 85. The decorative lamp tube 27 is provided with a closing plate 88 (see FIG. 12) having an opening so that only the light emitting element (see FIG. 2) of the decorative lamp 15 can be visually recognized. A cutout opening 87 is formed in the tubular wall portion 85 of the decorative light tube 27 (see FIG. 12B, two cutout openings 87 are formed in the illustrated example). In addition, a first flange 89 (see FIG. 12) extending radially outward is provided at an end of the tubular wall portion 85 of the decorative light tube 27 opposite to the closing plate 88 via a narrow valley fold line. Then, the second flange 91 is connected to the inner wall of the notch opening 87, that is, extends from the narrow bent portion 86 (see FIGS. 13A and 13C) extending from the inner wall of the notch 87. And The first flange 89 and the second flange 91 are continuous with each other, and a second joint portion 55 that is joined to the first joint portion 39 of the mounting frame 21 is formed. Specifically, the second joint portion 55 of the first flange 89 includes a notch portion 95 corresponding to the notch portion 41c formed on the back surface of the bottom plate 29 of the mounting frame 21, and the second joint portion 55 of the second flange 91 The joining portion 55 includes a missing portion 97 corresponding to the missing portion 41c formed on the outer wall plate 31 of the wall plate 31. The missing portion 95 of the first flange 89 and the missing portion 97 of the second flange 91 are continuous. The notches 95 and 97 have notched surfaces 99 and 101 bent in a crank shape in a sectional view (see FIG. 13).

  The front light glass 19 (see FIG. 2) is attached to the flange 34 of the mounting frame 21 of the light pipe 17, and protects the light pipe 17 from external factors such as wind pressure and foreign matter while the railcar 3 is running. . The front light glass 19 has a shape following the outer shape of the flange 34 of the mounting frame 21 (in the present embodiment, a rectangular shape, see FIG. 2). The headlight glass 19 can visually recognize the headlight tube 23, the taillight tube 25, and the decorative light tube 27 arranged in the space 33 formed by the bottom plate 29 and the wall plate 31 of the mounting frame 21 from the outside. Thus, the whole or at least the area facing the space 33 is transparent or translucent.

Next, a method of manufacturing and assembling the light conduit 17 according to one embodiment, and a method of assembling the marker lamp 1 to the head 5 will be described below with reference to FIG.
In step S1, the mounting frame 21, the headlight tube 23, the tail light tube 25, the decorative light tube 27, and the cover plate 69 of the tail light tube 25 are separately formed. Specifically, a resin material such as a polyester resin is applied to a molding die of each member to form a molded product of each member. After molding, the molded product is released from the molding die, and burrs and unnecessary portions of the molded product are cut off. The covering plate 69 is bonded to the tail light tube 25 by bonding, welding, or the like so as to cover the cutout opening 67 of the tail light tube 25 (see FIG. 4).

  In step S2, the molded articles, that is, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are separately painted. At this time, the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are painted in different colors. As an example, at least a part of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is painted in golden, and the other parts are painted in black. The surface of the mounting frame 21 is painted in black. Specifically, the headlight tube 23 and the decorative light tube 27 have the outer peripheral surfaces of the tubular wall plates 45 and 85 painted in golden, and the tail light tube 25 has the outer peripheral wall of the tubular wall plate 65 and the inner wall. Paint the surrounding wall in golden color.

In step S3, after the coating, a clear coating is performed, and thereafter, a coating quality such as adhesion of dust and dust and a coating surface is checked. At this time, the defective portion is appropriately repaired by polishing or the like.
In step S4, after checking the coating quality, the portions of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 other than the black coating (that is, the portions painted in golden) are masked. After masking, predetermined painted portions of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are painted black, and the surface of the mounting frame 21 is painted black. At this time, each member is coated separately.
In step S5, after coating, the masking is removed from each member, and the coating quality and the closing quality are checked. At this time, the defective portion is appropriately repaired by polishing or the like.

  In step S6, after the coating of the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is completed, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are attached to the mounting frame 21. Assemble. Specifically, the headlight tube 23 is inserted into the opening 35 a and the cutout opening 37 a of the housing 32 (the bottom plate 29 and the wall plate 31) of the mounting frame 21, and the notch portions 57 and 59 of the headlight tube 23 are inserted. Abuts against the notch 41a of the mounting frame 21 and is held by the mounting frame 21 (see FIG. 3). As for the tail light tube 25 and the decorative light tube 27, the tail light tube 25 is inserted into the opening 35b and the cutout opening 37b of the housing 32 (the bottom plate 29 and the wall plate 31) of the mounting frame 21. It is inserted into the opening 35c and the cutout opening 37c of the housing 32 (the bottom plate 29 and the wall plate 31), and the cutout portions 77 and 79 of the tail light tube 25 and the cutout portions 95 and 97 of the decorative light tube 27 are attached to the mounting frame 21. And is held by the mounting frame 21 (see FIG. 3). Here, when the mounting frame 21 and the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are abutted, the notch surfaces 61, 63 of the notch portions 57, 59 of the headlight tube 23 are mounted. The cutout surface 43a of the cutout portion 41a of the frame 21, the cutout surfaces 81 and 83 of the cutout portions 77 and 79 of the tail light tube 25, the cutout surface 43b of the cutout portion 41b of the mounting frame 21, and the decorative light tube 27 The notch surfaces 99, 101 of the notch portions 95, 97 and the notch surface 41c of the notch portion 41c of the mounting frame 21 abut each other in a manner bent in a crank shape (see FIG. 6), so that the mounting position can be easily adjusted. Fixed and fixed securely.

  Then, an adhesive 103 is applied to a joint between the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 (see FIGS. 5 and 6). At this time, the adhesive 103 is applied from the outside of the bottom plate 29 and the wall plate 31 of the mounting frame 21 to the joint between the paired portions 57 and 59 of the headlamp tube 23 and the paired portions 41a of the mounting frame 21 and the taillight. The joints between the joints 77 and 79 of the tube 25 and the joint 41b of the mounting frame 21 and the joints between the joints 95 and 97 of the decorative lamp tube 27 and the joint 41c of the mounting frame 21 are covered. Apply to. Thereby, the assembly of the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is completed.

In step S <b> 7, in order to attach the marker light 1 to the head 5 of the railway vehicle 3, first, the headlight 11, the taillight 13, and the decoration light 15 are assembled to the head 5 of the railway vehicle 3.
In step S <b> 8, after the assembly, the optical conduit 17 is assembled to the head 5 of the railway vehicle 3. At this time, the light emitting element of the headlight 11 is arranged so as to close the opening of the closing plate 47 of the headlight tube 23. The light-emitting element of the tail lamp 13 is arranged at a predetermined distance from the end opposite to the blocking plate 68, and is located outside the tail lamp tube 25. Further, the light emitting element of the decorative lamp 15 is disposed in the decorative lamp tube 27 at a predetermined distance from the inner wall surface of the closing plate 88 of the decorative lamp tube 27. As a result, when the light pipe 17 is visually recognized, due to the closing portion 47 of the headlight tube 23, structures other than the light emitting element of the headlight 11 and the optical axis adjusting fastener (not shown) become invisible from the outside. Therefore, the aesthetic appearance of the headlight tube 23 is maintained. Furthermore, since the appearance of the tail light tube 25 and the decorative light tube 27 looks almost the same as the appearance of the headlight tube 23, the aesthetic appearance of the light pipe 17 is maintained.

In step S9, watertight sealing is performed between the light pipe 17 and the head portion 5.
Then, in step S10, the optical axis of the headlight 11 is adjusted.
Finally, in step S11, after adjusting the optical axis, the front lamp glass 19 is mounted on the flange 34 of the mounting frame 21. Thereby, the assembling of the marker light 1 to the leading portion 5 of the railway vehicle 3 is completed.

  According to the optical conduit 17 and the method of manufacturing the same according to the embodiment having the above configuration, the following operation and effect can be obtained. That is, since the mounting frame 21 and the headlight tube 23, the taillight tube 25, and the decorative light tube 27 are configured separately, each member can be molded, and the molding die structure is complicated. It is possible to avoid.

  In addition, according to the light conduit 17 and the manufacturing method thereof according to one embodiment, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are painted such that at least a part thereof has a color different from that of the mounting frame 21. Therefore, various aesthetic appearances of the light pipe 17 can be realized. In addition, since the mounting frame 21 and the headlight tube 23, the taillight tube 25, and the decorative light tube 27 are configured separately, if each member is painted, fine details of each member can be obtained. The paint reaches the location and the quality of each member can be improved. At the time of the painting work, the parts painted in golden color of the headlight tube 23, the tail light tube 25 and the decorative light tube 27 are masked, and the other parts are painted black. Since each coating is performed, masking can be easily performed, the burden of the coating work can be reduced, and the work efficiency can be improved.

  Furthermore, according to the light conduit 17 and the manufacturing method thereof according to one embodiment, the joint portion between the mounting frame 21 and the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is at least partially included at a narrow angle. Even if this configuration is adopted, the mounting frame 21, the headlight tube 23, the taillight tube 25, and the decorative light tube 27 are separately coated even if the configuration is adopted. By doing so, in the state where these are combined, the portion near the valley fold line at the narrow angle is also painted, so that the necessary painting quality can be ensured and various aesthetic appearances of the light pipe 17 can be realized. .

  According to the light pipe 17 and the manufacturing method thereof according to the embodiment, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 have the tubular wall plates 45, 65, 85, respectively, so that the headlight is provided. Light emitted from the lamp 11, the tail lamp 13, and the decorative lamp 15 can be reflected by the inner wall surfaces of the tubular wall plates 45, 65, and 85 and guided to the outside. Also, by fitting the paired portions 57 and 59 of the headlight tube 23 to the paired portions 41a of the mounting frame 21, it is securely held by the mounting frame 21, and the tail light tube 25 and the decorative light tube 27 can be used. Also, the mating portions 77, 79 of the tail light tube 25 and the mating portions 95, 97 of the decorative light tube 27 abut against the mating portions 41 b, 41 c of the mounting frame 21, thereby being securely held by the mounting frame 21. You. In addition, the headlight 11, the taillight 13, and the decorative light 15 have a projection shape that exerts a presence inside the space surrounded by the bottom plate 29 and the wall plate 31 of the mounting frame 21. Can be given diversity.

  Further, according to the optical conduit 17 and the method of manufacturing the same according to the embodiment, the missing portions 41 a, 41 b, 41 c of the mounting frame 21, the missing portions 57, 59 of the headlight tube 23, and the tail light tube 25 are formed. The notched portions 77 and 79 and the notched portions 95 and 97 of the decorative light tube 27 have notched surfaces 43 a to c, 61, 63, 81, respectively, in which butted portions of the corresponding members are cut out complementarily. 83, 99, and 101 are formed, and the phased faces 43a to 43c, 61, 63, 81, 83, 99, and 101 are butted in a manner bent in a crank shape, so that the joining area is sufficiently secured. It is possible to ensure the sealing property and / or fixation of the part. In addition, since the members are housed in the abutted state to have the same thickness as the general portion of the member, it is possible to prevent unnecessary thickening. The mounting positions of the headlight tube 23, the taillight tube 25, and the decorative light tube 27 with respect to the mounting frame 21 are easily determined, and the mounting frame 21, the headlight tube 23, the taillight tube 25, and the decoration are provided. The lamp tube 27 is easily and reliably connected.

  In addition, according to the optical conduit 17 and the method of manufacturing the same according to the embodiment, the gaps 57 and 59 of the headlamp tube 23 and the gap between the mounting frame 21 from outside the bottom plate 29 and the wall plate 31 of the mounting frame 21. Joint between the fitting part 41a, the joints 77, 79 of the tail light tube 25 and the joint 41b of the mounting frame 21, and the joints 95, 97 of the decorative light tube 27 and the fitting frame 21. By including the adhesive 103 (adhesive layer) covering the joint with the portion 41c, the joint frame between the mounting frame 21, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is surely connected. It can be fixed.

  Further, according to the optical conduit 17 and the method of manufacturing the same according to the embodiment, the missing portions 41 a, 41 b, 41 c of the mounting frame 21, the missing portions 57, 59 of the headlight tube 23, and the tail light tube 25 are formed. As described above, the joints 77 and 79 and the joints 95 and 97 of the decorative light tube 27 secure a sufficient joint area to secure the sealing and / or fixation of the butted portion. Since the positioning of the members is reliably performed by the shape, the amount of the adhesive 103 used can be suppressed.

  Further, the missing portions 41a, 41b, 41c of the mounting frame 21, the missing portions 57, 59 of the headlight tube 23, the missing portions 77, 79 of the tail light tube 25, and the missing portion of the decorative light tube 27. The parts 95 and 97 are compared with a simple butting structure by their corresponding mating surfaces 43a to 43c, 61, 63, 81, 83, 99 and 101 being butted in a crank-shaped manner. Thus, the distance from the outside of the bottom plate 29 and the wall plate 31 of the mounting frame 21 to the inside of the mounting frame 21 becomes longer. As a result, even if the adhesive 103 is applied from the outside of the bottom plate 29 and the wall plate 31 of the mounting frame 21, the adhesive 103 is applied from the joint portion to the inside of the mounting frame 21, that is, the portion that affects the appearance of the sign lamp 1. Makes it difficult to penetrate, and it is possible to prevent the appearance from being impaired.

  In addition, according to the marker lamp 1 and the manufacturing method thereof according to one embodiment, since the taillight glass 19 is transparent, the shape realized by the light pipe 17 can be visually recognized through the taillight glass 19, It is possible to realize a variety of designs.

  In the light conduit 17 according to one embodiment, the missing portions 57 and 59 of the headlight tube 23, the missing portions 77 and 79 of the tail light tube 25, and the missing portions 95 and 97 of the decorative light tube 27 are: It is formed continuously, but may be an intermittent part.

  Further, in the light conduit 17 according to one embodiment, when the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are assembled to the mounting frame 21, the decorative light tube 27 is arranged so as to protrude most from the mounting frame 21. Then, the headlight tube 23 is arranged so as to protrude, and the tail light tube 25 is arranged so as not to protrude most. However, the size of the protrusion may be appropriately changed.

  Further, in the light conduit 17 according to one embodiment, the headlight tube 23, the tail light tube 25, and the decorative light tube 27 are substantially cylindrical, but may be other cylindrical bodies such as a rectangular tube.

  Further, in the light conduit 17 according to one embodiment, at least a part of the headlight tube 23, the tail light tube 25, and the decorative light tube 27 is painted in gold, and the other part is painted in black. Although the surface is painted in black, it may be painted in another color such as silver or white depending on design or security requirements.

  In the optical conduit 17 according to the embodiment, the flange 34 of the mounting frame 21 has a substantially rectangular outer edge when viewed from the front, but the outer edge has another shape such as an ellipse or a polygon. Is also good. Here, the shape of the front light glass 19 may be changed so as to follow the outer edge of the flange 34 with the change in the outer edge of the flange 34.

  11 headlight, 13 taillight, 17 light conduit, 21 mounting frame, 23 headlight tube, 25 taillight tube

Claims (12)

An optical conduit containing headlights and tail lights of a railway vehicle,
A headlight tube for guiding light emitted from the headlight to the outside, a taillight tube for guiding light emitted from the taillight to the outside, and a mounting frame for holding the headlight tube and the taillight tube And are configured separately,
The light pipe, wherein at least a part of the headlight tube and the taillight tube are painted so as to be different in color from the mounting frame. The mounting frame includes a housing including a bottom plate and a wall plate surrounding the bottom plate,
An opening is formed in the housing, and the headlight tube and the tail light tube are inserted into the opening,
The joint between the mounting frame and the headlight tube and / or the taillight tube is continuously connected at least partially across a narrow valley fold line. Item 2. An optical conduit according to item 1.   The headlight tube and the taillight tube have a tubular wall portion, and the wall plate or the bottom plate of the housing of the mounting frame, and the tubular shape of the headlight tube and / or the taillight tube. The light pipe according to claim 2, wherein the light pipe is connected to the wall via the joint.   4. The light according to claim 2, wherein the joint portion includes a cutout portion provided in the mounting frame and the headlight tube and / or the taillight tube. 5. conduit.   The optical conduit according to claim 4, further comprising an adhesive layer covering the notch from the outside of the bottom plate and / or the wall of the mounting frame.   The light conduit according to claim 1, a headlight and a taillight housed in the light conduit, and a transparent taillight glass fixed to a flange formed on the wall of the mounting frame. A sign light characterized by the above. A method of manufacturing an optical conduit for housing a headlight and a taillight of a railway vehicle,
A headlight tube for guiding light emitted from the headlight to the outside, a taillight tube for guiding light emitted from the taillight to the outside, and a mounting frame for holding the headlight tube and the taillight tube And molded so that it is configured separately,
The method for manufacturing a light pipe, wherein the headlight tube and the taillight tube are painted so that at least a part thereof has a color different from that of the mounting frame. On the mounting frame, molded a housing consisting of a bottom plate and a wall plate surrounding the bottom plate,
Forming an opening in the housing,
Inserting the headlight tube and the taillight tube into the opening,
The said attachment frame and the said headlight tube and / or the said tail light tube are connected continuously in the aspect which at least partially sandwiches the valley fold line of a narrow angle. Method for manufacturing an optical conduit.   The headlight tube and the taillight tube have a tubular wall portion, and the wall plate or the bottom plate of the housing of the mounting frame, and the tubular shape of the headlight tube and / or the taillight tube. The method according to claim 8, wherein the light pipe is connected to the wall via the joint.   The method for manufacturing an optical conduit according to claim 8, wherein a cutout portion is formed as the joint portion between the mounting frame and the headlight tube and / or the taillight tube.   The method for manufacturing an optical conduit according to claim 10, wherein the notch portion is covered with an adhesive layer from outside the bottom plate and / or the wall portion of the mounting frame.   12. A manufacturing method of a sign light, comprising: a headlight and a taillight housed in the light conduit according to claim 7; and a transparent taillight glass fixed to a flange formed on the wall of the mounting frame. Method.

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