JP2007309000A - Daylighting window and mounting structure thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a daylighting window which is applicable in common to two types of doors different in thickness, and protected from breakage thereof during transportation and mounting of a door. <P>SOLUTION: When the daylighting window is mounted in a door 11 having a smaller thickness, fitting portions 312, 322 of first and second members 31, 32 are fitted into a window hole 111 formed in the door 11 and connected to the same, such that end faces of recessed areas 313, 323 of the first and second members 31, 32 are abutted on end faces of projective areas 324, 314 of the second and first members 32, 31, respectively. On the other hand, when the daylighting window is mounted in a door 12 having a larger thickness, the fitting portions 312, 322 of the first and second members 31, 32 are fitted into a window hole 121 formed in the door 12 and connected to the same, such that the end faces of the projective regions 314, 324 of the first and second members 31, 32 are abutted on each other, respectively. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a light window fitted in a window hole of a door and a mounting structure thereof.

  For example, in Patent Document 1, a light window of a door is constituted by a heat insulating laminated glass in which transparent glass, a bronze film, a resin heat insulating material, and a template glass are combined, and between the heat insulating laminated glass and an aluminum glass frame. A heat insulating door with a light window, which is provided with a heat insulating seal, has been proposed.

JP-A-7-113385

  However, in the heat insulating door with a light window disclosed in Patent Document 1 above, heat insulating laminated glass is fitted to the daylighting portion of the light window to provide heat insulation and safety / crime prevention while providing a sufficient daylighting area. However, the following problems have been pointed out.

  (1) In the heat insulation door with a light window which concerns on patent document 1, the light window is comprised with the said composite heat insulation laminated glass, this composite heat insulation laminated glass is engage | inserted and clamped in the aluminum glass frame, the intensity | strength of a light window, etc. From the viewpoint of holding, the size of the frame groove of the aluminum glass frame is changed according to the thickness of the door, but the thickness of the composite heat insulating laminated glass must be changed along with the change of the frame groove size, so one It cannot be shared between two types of doors with different thicknesses in the light window.

  (2) In the heat insulating door with a light window according to Patent Document 1, the light window composed of the above composite heat insulating laminated glass must be transported and constructed in advance in the heat insulating door. There is a risk of damage to the light window at times.

  The present invention has been made in view of the above technical problem, and can be shared between two types of doors having different thicknesses, and is not damaged during transportation or construction of the door. The purpose is to provide a mounting structure.

  In order to achieve the above object, the present invention is a light window that can be applied to two types of doors having different thicknesses, and is formed so that one space partitioned by the door when closed and the other space communicate with each other. A first member that is fitted into the window hole of the door from the one space side, and a second member that is fitted from the other space side, the first member and the second member The shape of both of the members is a shape that maintains a congruent relationship with each other even when rotated by a predetermined angle on the same plane, and both the first member and the second member block the opening of the window hole. A first member that is paired with a daylighting part and a cylindrical fitting part that protrudes along the fitting direction so that a peripheral part of the daylighting part becomes a ridge when fitted into the window hole. And a coupling means for coupling the fitting portions of both of the second member to each other, and the first member A plurality of concave regions having a line-symmetric relationship with each other and a plurality of convex regions having a line-symmetric relationship with each other are alternately formed in the fitting portions of both the second member and the second member. The length dimensions of the concave regions of both of the two members are set so that the convex regions of the first member and the second member that make a pair are accommodated in the concave space of the concave region.

  In the present invention, the coupling means for both the first member and the second member includes a first engaged portion formed at one side end of the concave region of the insertion portion, and the insertion portion. A second engaged portion formed at one side end portion of the convex region, and at the one side end portion of the convex region of the fitting portion, the first engaged portion and the second engaged portion. And an engaging portion formed so as to protrude from the end surface of the convex region along the fitting direction so as to be sandwiched between the fitting portions, and the fitting portion of both the first member and the second member When the members are coupled to each other, the first engaged portion or the second engaged portion on the second member side where the end portion of the engaging portion on the first member side forms a pair with the first member The first engaged portion or the second engaged portion on the first member side where the end portion of the engaging portion on the second member side is paired with the second member while being engaged with the portion It is preferable to be engaged with the part.

  In this case, when the light window is attached to a door having the same standard thickness, the light window itself can absorb the tolerance of the door.

  Furthermore, in the present invention, the first engaged portion, the second engaged portion, and the engaging portion of both the first member and the second member are positioned at the same angle. It is preferable to arrange | position.

  In this case, it is easy to align the first engaged portion of the first member and the second member or the second engaged portion and the engaging portion.

  Still further, in the structure for attaching the light window to the door, when the light window is attached to the door having the smaller thickness, the end surface of the concave region of the first member and the second member Both the first member and the second member so that the end surfaces of the convex regions are aligned and the end surfaces of the convex regions of the first member and the end surfaces of the concave regions of the second member are aligned. When the fitting portion is fitted into the window hole and the fitting portions are coupled to each other by the coupling means, and the light window is attached to the door having the larger thickness, the first member In such a state that the fitting portions of both the first member and the second member are fitted into the window hole so that the end surface of the convex region of the first member and the end surface of the convex region of the second member are aligned with each other. The fitting portions are coupled to each other by the coupling means. .

  Here, the detailed structure for attaching the light window to the door is such that when the light window is attached to the door having the smaller thickness, the end surface of the concave region of the first member and the second The first member and the second member so that the end surfaces of the convex regions of the member are aligned, and the end surfaces of the convex regions of the first member and the end surfaces of the concave region of the second member are aligned. Each of the fitting portions is fitted into the window hole, and the end of the engaging portion on the first member side is the first of the concave region on the second member side that makes a pair with the first member. The first engaged portion of the concave region on the first member side in which the end portion of the engaging portion on the second member side is paired with the second member. When attaching the light window to the door having the greater thickness, the end surface of the convex region of the first member and the front The fitting portions of both the first member and the second member are fitted in the window hole so that the end surfaces of the convex regions of the second member are aligned with each other, and the first member side engagement The end of the joint is engaged with the second engaged portion of the convex region on the second member side that makes a pair with the first member, while the engaging portion on the second member side The end portion is engaged with the second engaged portion of the convex region on the first member side that makes a pair with the second member.

  In the present invention, when the light window is attached to the door having the smaller thickness, the first region and the second region of both the first member and the second member are aligned with each other so that the end surfaces of the first region and the second region are aligned with each other. The fitting portions are coupled to each other in a state where the fitting portions of both the member and the second member are fitted into the window hole. Specifically, the fitting portions of both the first member and the second member are in the window hole so that the end surfaces of the concave region and the convex region of both the first member and the second member are aligned with each other. And the end of the engaging portion on the first member side is engaged with the first engaged portion in the concave region on the second member side that forms a pair with the first member, and The end of the engaging portion on the second member side is engaged with the first engaged portion in the concave region on the first member side that makes a pair with the second member), on the other hand, the larger one When the light window is attached to the door, the fitting portions of both the first member and the second member are windows so that the end surfaces of the convex regions of both the first member and the second member are aligned with each other. The fitting portions are coupled to each other in the state of being fitted in the holes. Specifically, the fitting portions of both the first member and the second member are fitted into the window hole so that the end surfaces of the convex regions of both the first member and the second member are combined, An end portion of the engaging portion on the first member side is engaged with the second engaged portion of the convex region on the second member side that makes a pair with the first member, and the second member The end of the engaging portion on the side is engaged with the second engaged portion of the convex region on the first member side that makes a pair with the second member. Therefore, it is possible to share a light window between two types of doors having different thicknesses.

  Further, as described above, since the light window can be incorporated after the construction work of the door is completed, the light window can be prevented from being damaged during the transportation or construction of the door.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

<Embodiment 1>
With reference to FIG.1 and FIG.2, the light window which concerns on this Embodiment 1 is applicable to two types of doors 11 and 12 from which thickness differs mutually.

  Such a light window is fitted from one side of the space 21 into circular window holes 111 and 121 formed so as to communicate the one space 21 partitioned by the doors 11 and 12 with the other space 22 when closed. The first member 31 and the second member 32 fitted from the other space 22 side.

  Both the first member 31 and the second member 32 are manufactured using a translucent synthetic resin such as PP as a material. The shapes of both the first member 31 and the second member 32 are round shapes that can maintain a congruent relationship with each other even when rotated approximately 90 degrees on the same plane.

  Referring to FIG. 3, the first member 31 includes a daylighting unit 311 that closes one opening of the window holes 111 and 121, and the daylighting unit 311 when the first member 31 is fitted in the window holes 111 and 121. A fitting portion 312 that protrudes along the fitting direction (the direction of arrow X (see FIGS. 1 and 2)) is provided so that the inner peripheral edge becomes a flange.

  The daylighting unit 311 has a disc shape, and the other insertion portion 312 has a cylindrical shape concentric with the daylighting unit 311.

  The fitting portion 312 includes two concave regions 313 having a line-symmetric relationship with each other and two convex regions 314 having a line-symmetric relationship with each other. Specifically, the concave regions 313 and the convex regions are alternately arranged so that the concave regions 313 are opposed to each other at positions 180 degrees from each other and the convex regions are opposed to each other at positions 180 degrees from each other. It is formed continuously.

  The length dimension of the concave area 313 is set to be approximately the same as the length dimension of the convex area 314 so that the convex area 314 fits in the concave space of the concave area 313.

  A first engaged hole 315 is formed at one end of the concave region 313, and a second engaged hole 316 is formed at one end of the convex region 314. In addition, at one end portion of the convex region 314, the engaging claw 317 is sandwiched between the first engaged hole 315 and the second engaged hole 316, and the end surface of the convex region 314 is provided. Rather than the fitting direction (arrow X direction).

  Notches 318 are formed on both sides of the convex region 314 where the engaging claws 317 are formed, so that the engaging claws 317 can be easily bent back and forth.

  The distal end portion of the engaging claw 317 has a hook shape protruding outward in the radial direction of the fitting portion 312.

  The first engaged hole 315, the second engaged hole 316, and the engaging claw 317 are opposed to each other at a position that is phased 180 degrees (a line symmetrical arrangement).

  The second member 32 has the same configuration as the first member 31 described above. Specifically, referring to FIG. 3, the second member 32 includes a daylighting portion 321 that closes the opening of the window hole 111 and a daylighting portion 321 when fitted in the window holes 111 and 121. And a fitting portion 322 that protrudes along the fitting direction (arrow Y direction (see FIGS. 1 and 2)) so that the inner peripheral edge portion is a ridge.

  The daylighting part 321 has a disc shape, and the other insertion part 322 has a cylindrical shape concentric with the daylighting part 321.

  The fitting part 322 includes two concave regions 323 having a line symmetry relationship with each other and two convex regions 324 having a line symmetry relationship with each other. Specifically, the concave regions 323 and the convex regions 324 are alternately arranged so that the concave regions 323 are arranged at positions 180 degrees from each other and the convex regions 324 are arranged at positions 180 degrees from each other. It is formed continuously.

  The length dimension of the concave area 323 is set to be approximately the same as the length dimension of the convex area 324 so that the convex area 324 fits in the concave space of the concave area 323.

  A first engaged hole 325 is formed at one end of the concave region 323, and a second engaged hole 326 is formed at one end of the convex region 324. In addition, at one end portion of the convex region 324, the engaging claw 327 is sandwiched between the first engaged hole 325 and the second engaged hole 326 so that the end surface of the convex region 324 Rather than the fitting direction (arrow Y direction).

  Cutouts 328 are formed on both sides of the convex region 324 where the engaging claws 327 are formed, so that the engaging claws 327 are bent back and forth.

  The distal end portion of the engaging claw 327 has a hook shape protruding outward in the radial direction of the fitting portion 322.

  The first engaged hole 325, the second engaged hole 326, and the engaging claw 327 are arranged to face each other (axisymmetric arrangement) at a position that is 180 degrees out of phase.

  When the first member 31 and the second member 32 are coupled to each other, the tip of the engaging claw 317 on the first member 31 side is paired with the first member 31 and the second member 32. The first engagement hole 325 or the second engagement hole 326 on the side is engaged, and the tip of the engagement claw 327 on the second member 32 side is paired with the second member 32. The first engaged hole 315 or the second engaged hole 326 on the first member 31 side is engaged. Therefore, in the first embodiment, the first engaged hole 315 on the first member 31 side, the second engaged hole 316 and the engaging claw 317, and the second engaged member on the second member 32 side. The first engaged hole 325, the second engaged hole 326, and the engaging claw 327 function as a coupling means that couples the fitting portions 312 of the first member 31 and the second member 32 that are paired with each other. .

  Here, an example of a procedure for attaching the light window to the door will be described. By the way, it should be mentioned that the installation of the main window is performed after the installation of the door is completed.

  Referring to FIGS. 1A and 2A, when attaching to the door 11 having the smaller thickness, first, the fitting portion 312 of the first member 31 is connected to the door 11 from the one space 21 side. It fits in the window hole 111. Next, the end surface of the concave region 313 of the first member 31 and the end surface of the convex region 324 of the second member 32 are joined together, and the end surface of the convex region 314 of the first member 31 and the second member The fitting part 322 of the second member 32 is fitted into the window hole 111 of the door 11 from the other space 22 side so that the end surfaces of the 32 concave regions 323 are aligned with each other. Then, the first engaged portion of the concave region 323 on the second member 32 side that makes the tip of the engaging claw 317 protruding from the convex region 314 on the first member 31 side pair with the first member 31. While engaging with the hole 325, the tip of the engaging claw 327 protruding from the convex region 324 on the second member 32 side is paired with the second member 32 to form the concave region 313 on the first member 31 side. Engage with the first engaged claw 317. As a result, the first member 31 and the second member 32 that are paired with each other are coupled within the window hole 111 of the door 11.

  At this time, if the tolerance of the thickness of the door 11 is the minimum, as shown in FIG. 1A, the engaging claws 317 and 327 of both the first member 31 and the second member 32 are at their tip portions. Are engaged with the first engaged holes 315 and 325 of both the first member 31 and the second member 32 in an upright state.

  On the other hand, when the tolerance of the thickness of the door 11 is the maximum, as shown in FIG. 2 (A), the engaging claws 317 and 327 of both the first member 31 and the second member 32 have their distal ends. The first member 31 and the second member 32 are engaged with the first engaged holes 315 and 325 while being bent rearward.

  When attaching to the door 12 having the larger thickness, first, the fitting portion 312 of the first member 31 is fitted from one space 21 side, as shown in FIGS. 1 (B) and 2 (B). . Next, the end surface of the convex region 314 of the first member 31 and the end surface of the convex region 324 of the second member 32 are brought together so that the fitting portion 322 of the second member 32 is on the other space 22 side. Is inserted into the window hole 121 of the door 12. Then, the second engaged portion of the convex region 324 on the second member 32 side that makes the tip of the engaging claw 317 protruding from the convex region 314 on the first member 31 side pair with the first member 31. A convex region on the first member 31 side that engages with the joint hole 326 and that forms a pair with the second member 32 at the tip of the engaging claw 327 protruding from the convex region 324 on the second member 32 side. 324 is engaged with the second engaged hole 316. As a result, the first member 31 and the second member 32 that are paired with each other are coupled within the window hole 121 of the door 12.

  At this time, if the tolerance of the thickness of the door 12 is the smallest, as shown in FIG. 1B, the engaging claws 317 and 327 of both the first member 31 and the second member 32 have their tip portions. Are engaged with the second engaged holes 316 and 326 of the first member 31 and the second member 32 in a state where the first member 31 and the second member 32 are upright.

  On the other hand, when the tolerance of the thickness of the door 12 is the maximum, as shown in FIG. 2 (B), the engaging claws 317 and 327 of both the first member 31 and the second member 32 have their tip portions. The first member 31 and the second member 32 are engaged with the second engaged holes 316 and 326 while being bent rearward.

  As is clear from the above description, according to the first embodiment, the following operations and effects are achieved.

  (1) When attaching a light window to the door 11 having a smaller thickness, the end surfaces of the concave regions 313 and 323 and the convex regions 314 and 324 of both the first member 31 and the second member 32 The fitting portions 312 and 322 of both the first member 31 and the second member 32 may be fitted into the window hole 111 of the door 11 so as to match. On the other hand, when the light window is attached to the door 12 having the larger thickness, the first surfaces 31 and 324 of the first member 31 and the second member 32 are both aligned with each other. The fitting portions 312 and 322 of both the member 31 and the second member 32 may be fitted into the window hole 121 of the door 12 and combined. Therefore, it is possible to share the two types of doors 11 and 12 having different thicknesses with one light window.

  (2) Since this light window can be incorporated after the construction work of the doors 11 and 12 is completed, the doors 11 and 12 are not damaged during transportation or construction.

  (3) When the tolerance of the thickness of the doors 11 and 12 is the minimum, the engaging claws 317 and 327 of both the first member 31 and the second member 32 are in accordance with the standard of the thickness of the doors 11 and 12. The front end portion of the first member 31 and the second member 32 is engaged with the first engaged holes 315 and 325 or the second engaged holes 316 and 326 in the upright state. On the other hand, when the tolerance of the thickness of the doors 11 and 12 is the maximum, the engaging claws 317 and 327 of both the first member 31 and the second member 32 are in accordance with the thickness standards of the doors 11 and 12. In a state where the distal end portion is bent, the first member 31 and the second member 32 are engaged with the first engaged holes 315 and 325 or the second engaged holes 316 and 326. Therefore, when the light window is attached to a door having the same standard thickness, the light window itself can absorb the intersection of the doors.

  (4) The first engaged holes 315, 325, the second engaged holes 316, 326, and the engaging claws 317, 327 of both the first member 31 and the second member 32 are 180 degrees to each other. Since it is disposed at a phased position (axisymmetric position), the first engagement hole 315, 325 or the second engagement hole 316, 326 and the engagement claws 317, 327 are aligned (in other words, , The alignment of the concave region 313 and the convex region 314 on the first member 31 side with the concave region 323 and the convex region 324 on the second member 32 side) is facilitated.

<Embodiment 2>
Referring to FIGS. 7 and 8, the feature of the light window according to the second embodiment is that the shapes of both the first member 31 and the second member 32 that make a pair are 90 degrees on the same plane. The other configuration is the same as that of the first embodiment in that it has a square shape that can maintain the congruent relationship even when rotated.

  As shown in FIG. 7, the first member 31 includes a square daylighting portion 311 that closes one opening of the square window holes 111 and 121 (see FIGS. 5 and 6) of the doors 11 and 12, and a window hole 111. , 121 is fitted in a rectangular tube shape projecting along the fitting direction (arrow X direction (see FIGS. 5 and 6)) so that the inner peripheral side peripheral portion of the daylighting portion 311 becomes a ridge when fitted in 121 Part 312. The center of the rectangular tubular fitting portion 312 is the same as the center of the square daylighting portion 311.

  The fitting portion 312 has two concave regions 313 that extend in a substantially L shape at the corners that are diagonally related to the diagonal line L1 and have a symmetrical relationship with each other across the diagonal line L1, and the diagonal line L2. Two convex regions 314 extending in a substantially L shape at diagonal corners and having a line-symmetrical relationship with each other across the diagonal L2, and the concave regions 313 and the convex regions are alternately continuous. Is formed.

  As shown in FIG. 8, the second member 32 includes a substantially square daylighting portion 321 that closes the openings of the window holes 111 and 112, and an inner surface side of the daylighting portion 321 when fitted into the windows 111 and 121. A rectangular tubular fitting portion 322 that protrudes along the fitting direction (the direction of arrow Y (see FIGS. 5 and 6)) so that the peripheral portion becomes a flange is provided. The center of the square cylindrical fitting portion 322 is the same as the center of the square daylighting portion 321.

  In the above configuration, when the light window is attached to the door 11 having the smaller thickness, as shown in FIGS. 5A and 6A, both the first member 31 and the second member 32 are used. The fitting portions 312 and 322 of both the first member 31 and the second member 32 are fitted into the window hole 111 so that the end surfaces of the concave regions 313 and 323 and the convex regions 314 and 324 are aligned with each other. At the same time, the engaging claw 317 on the first member 31 side is engaged with the first engaged hole 325 in the concave region 323 on the second member 32 side that forms a pair with the first member 31, and the first The engaging claw 327 on the second member 32 side is engaged with the first engaged hole 315 portion of the concave region 313 on the first member 31 side that makes a pair with the second member 32.

  On the other hand, when the light window is attached to the door 12 having the larger thickness, as shown in FIGS. 5 (B) and 6 (B), the convexity of both the first member 31 and the second member 32 is obtained. The fitting portions 312 and 322 of both the first member 31 and the second member 32 are fitted into the window 121 so that the end surfaces of the shaped regions 314 and 324 are aligned with each other, and the first member 31 side is engaged. The engaging claw 317 engages with the second engaged hole 326 of the convex region 324 on the second member 32 side that makes a pair with the first member 31 and the engaging claw on the second member 32 side. 327 is engaged with the second engaged hole 316 of the convex region 314 on the first member 31 side which makes a pair with the second member 32.

  Further, when the tolerance of the thickness of the doors 11 and 12 is the minimum, the first member 31 and the first member 31 and the first member 31 according to the thickness standard of the doors 11 and 12 as shown in FIGS. The two engaging claws 317 and 327 of the second member 32 are in the upright state, and the first engaged holes 315 and 325 of the first member 31 and the second member 32 or the second engaged holes. 316 and 326 are engaged.

  On the other hand, when the tolerance of the thickness of the doors 11 and 12 is the maximum, as shown in FIGS. 6A and 6B, according to the thickness standard of the doors 11 and 12, the first member 31 and the first member The engaging claws 317, 327 of the second member 32 are bent in the first engaged holes 315, 325 or the second engaged holes of both the first member 31 and the second member 32. 316 and 326 are engaged.

  As is clear from the above description, according to the second embodiment, the same operations and effects as the first embodiment (1) to (4) are achieved.

  The present invention is not limited to the above-described embodiment, and various design changes and modifications can be made within the scope of the claims attached to this specification.

  In the present invention, it is possible to share between two types of doors having different thicknesses, and since there is no damage during transportation or construction of the door, the light window fitted in the window hole of the door and its mounting structure Useful.

It is sectional drawing which shows the state which attached the lighting window which concerns on Embodiment 1 of this invention to the door with the smallest thickness tolerance. It is sectional drawing which shows the state which attached the same light window to the door with the largest thickness tolerance. The structure of the 1st member of the same light window is shown, The same figure (A) is a top view, The same figure (B) is the A arrow directional view of the same figure (A), The same figure (C) is the same figure ( A sectional view taken along the line BB in FIG. 5A, and FIG. 4D is a view taken in the direction of arrow C in FIG. The structure of the 2nd member of the same light window is shown, The figure (A) is a top view, The figure (B) is the D arrow line view of the figure (B), The figure (C) is the figure ( AE sectional drawing of A) and the figure (D) are F arrow directional views of the figure (A). It is sectional drawing which shows the state which attached the light window which concerns on Embodiment 2 of this invention to the door with the smallest thickness tolerance. It is sectional drawing which shows the state which attached the same light window to the door with the largest thickness tolerance. The structure of the 1st member of the same light window is shown, The same figure (A) is a top view, The same figure (B) is a G arrow line view of the same figure (A), The same figure (C) is the same figure ( It is a H arrow directional view of A). The structure of the 2nd member of the same light window is shown, The same figure (A) is a top view, The same figure (B) is the I arrow directional view of the same figure (B), The same figure (C) is the same figure ( It is a J arrow directional view of A).

Explanation of symbols

11, 12 Door 111, 121 Window hole 21 One space 22 Other space 31 First member 311 Daylighting portion 312 Insertion portion 313 Concave region 314 Convex region 315 First engaged hole 316 Second engaged Hole 317 engaging claw 32 second member 321 daylighting part 322 fitting part 323 concave region 324 convex region 325 first engaged hole 326 second engaged hole 327 engaging claw

Claims (5)

A light window applicable to two types of doors with different thicknesses,
A first member fitted from the one space side to the window hole of the door formed so as to communicate the one space and the other space that the door partitions at the time of closing, from the other space side A second member to be fitted,
The shape of both the first member and the second member is a shape that maintains a congruent relationship with each other even when rotated by a predetermined angle on the same plane,
Both the first member and the second member are fitted so that a daylighting portion that closes the opening of the window hole and a peripheral portion of the daylighting portion become a ridge when fitted into the window hole. A cylindrical fitting portion protruding along the direction, and a coupling means for coupling the fitting portions of both the first member and the second member that are paired with each other,
In the fitting portions of both the first member and the second member, a plurality of concave regions having a line symmetrical relationship with each other and a plurality of convex regions having a line symmetrical relationship with each other are alternately formed,
The length dimensions of the concave regions of both the first member and the second member are set so that the convex regions of the first member and the second member that make a pair are within the concave space of the concave region. A light window characterized by being. The light window according to claim 1,
The coupling means for both the first member and the second member is:
A first engaged portion formed at one side end of the concave region of the fitting portion; a second engaged portion formed at one side end portion of the convex region of the fitting portion; At one side end of the convex region of the fitting portion, it is sandwiched between the first engaged portion and the second engaged portion along the fitting direction from the end surface of the convex region. An engaging portion formed to protrude,
When the fitting portions of both the first member and the second member are coupled to each other, the end of the engaging portion on the first member side is paired with the first member, the second member side The first member side that is engaged with the first engaged portion or the second engaged portion of the second member, and the end of the engaging portion on the second member side forms a pair with the second member A light window that is engaged with the first engaged portion or the second engaged portion. The light window according to claim 2,
The first engaged portion, the second engaged portion, and the engaging portion of both the first member and the second member are disposed at positions that are phased at the same angle. A light window characterized by. A structure for attaching the light window according to claim 1 to a door,
When attaching the light window to the door with the smaller thickness, the end surface of the concave region of the first member and the end surface of the convex region of the second member are combined, and the first In a state in which the fitting portions of both the first member and the second member are fitted in the window hole so that the end surfaces of the convex region of the member and the end surfaces of the concave region of the second member are brought together. The fitting portions are coupled to each other by the coupling means,
When attaching the light window to the door having the larger thickness, the end surface of the convex region of the first member and the end surface of the convex region of the second member are aligned with each other. A fitting structure of a light window, wherein the fitting portions are coupled to each other by the coupling means in a state in which the fitting portions of both the member and the second member are fitted into the window hole. A structure for attaching the light window according to claim 2 or 3 to a door,
When attaching the light window to the door with the smaller thickness, the end surface of the concave region of the first member and the end surface of the convex region of the second member are combined, and the first Each of the fitting portions of both the first member and the second member is fitted into the window hole so that the end surfaces of the convex region of the member and the end surfaces of the concave region of the second member are combined, While the end of the engaging part on the first member side is engaged with the first engaged part of the concave region on the second member side that makes a pair with the first member, the second member An end portion of the engaging portion on the side is engaged with the first engaged portion of the concave region on the first member side that makes a pair with the second member,
When the light window is attached to the door having the larger thickness, the end surface of the convex region of the first member and the end surface of the convex region of the second member are aligned with each other. A second member in which the fitting portions of both the first member and the second member are fitted into the window hole, and an end portion of the engaging portion on the first member side is paired with the first member. A first member-side convex portion that is engaged with a second engaged portion of the convex region on the side, and an end portion of the engaging portion on the second member side forms a pair with the second member. A structure for mounting a light window, wherein the light window is engaged with a second engaged portion of the shaped region.

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