JP6274651B2 - Draining member - Google Patents

Description

  The present invention relates to a draining member used for a building outer wall projecting portion such as a projecting portion projecting from a building outer wall such as a take-out balcony or an upper building outer wall projecting from a lower building outer wall.

A take-out balcony is disclosed in Patent Document 1.
Since this take-out balcony is provided with a draining member at the lower part on the outside of the room that protrudes from the outer wall of the building, rainwater that has flowed along the outdoor surface of the take-out balcony does not enter the lower surface of the take-out balcony.

Japanese Utility Model Publication No. 63-9681

In a building having an overhanging portion that protrudes from the outer wall of a building such as a take-out balcony, outdoor members such as a screen, an outer shade, a hanging wall, and a clothesline may be attached below the overhanging portion.
However, in order to attach an outdoor member below the overhanging part, it is necessary to make a hole in the building outer wall and the building frame, and since watertight treatment is necessary so that rainwater does not enter the building frame from the hole, The work of attaching the outdoor member below the overhanging portion is troublesome and takes time.

  This invention is made | formed in order to solve the above-mentioned subject, The objective is to make it the draining member which can attach an outdoor member.

The present invention is a draining member to be attached to the building outer wall overhang,
An adhering part to be adhering to the building outer wall projecting part;
A draining portion extending in the outdoor direction from the fixed portion;
Provided below the draining part, and provided with an attaching part to which an outdoor member can be attached ,
The attachment portion is a draining member characterized by a dovetail groove opened downward .

Draining member of the present invention, the attachment portion may be said dovetail and said dovetail groove and the thick portion adjacent to the interior outward.

In the draining member of the present invention, the dovetail groove is continuous with the opening opened downward, the opening above the opening, the receiving part above the opening, the receiving part, and above the receiving part. Having a space,
The space portion has an indoor space portion that protrudes indoors from the indoor side of the housing portion, or an outdoor space portion that protrudes outward from the outdoor side of the housing portion, and opens one end of the back plate. The back plate can be provided in the housing portion by being inserted into the indoor space portion or the outdoor space portion from the portion.
If it does in this way, a back board can be put in from an opening part and it can provide in an accommodating part.

In the draining member of the present invention, the dovetail groove is continuous with the opening opened downward, the opening above the opening, the receiving part above the opening, the receiving part, and above the receiving part. And having a space part,
The accommodating portion includes a room-side mounting surface that is continuous with the room-side opening edge of the opening and on which one end portion of the back plate is placed, a room-side support surface that is spaced apart from the room-side placement surface in the vertical direction, and An outdoor mounting surface that is continuous with the outdoor opening edge of the opening and on which the other end of the back plate is mounted, and an outdoor support surface that is spaced apart from the outdoor mounting surface in the vertical direction. Can be
If it does in this way, when screwing a screw in a back plate, since a back plate does not move up, it is easy to screw a screw in a back plate.

The draining member of the present invention has a lower wall directed toward the indoor outside direction below the draining portion,
The lower wall can be thicker than the other walls of the draining member, and the entire length of the lower wall in the indoor outside direction can be used as the attachment portion.

The draining member of the present invention is attached to the attachment portion of the draining member,
The outdoor vertical wall of the attachment can have an attachment portion.
If it does in this way, an outdoor structure can be attached to the outdoor side vertical wall of an attachment with the screw which goes to the indoor side direction.

The draining member of the present invention can have a mounting portion on the lower wall and / or the indoor vertical wall of the attachment.
If it does in this way, an outdoor member can be attached to an attachment.

  According to the present invention, since the outdoor member can be attached using the attachment part of the draining member, it is not necessary to make a hole in the building outer wall or the building frame, and the outdoor member can be easily attached.

It is a longitudinal cross-sectional view of the attachment state of a take-out balcony. It is an expanded sectional view of the part which attached the draining member. It is an expanded sectional view of a dovetail part of a draining member. It is operation | movement explanatory drawing which provides a backplate in the accommodating part of a dovetail groove. It is sectional drawing of the state which attached the outer shade to the draining member. It is sectional drawing of the state which attached the attachment to the draining member It is sectional drawing which shows 2nd Embodiment of an attachment. It is sectional drawing which shows 2nd Embodiment of the dovetail groove of a draining member. It is sectional drawing of the state which provided the backplate in the accommodating part of a dovetail groove. It is sectional drawing which shows 3rd Embodiment of the dovetail groove | channel of a draining member. It is an enlarged view of a dovetail part. It is sectional drawing which shows 2nd Embodiment of a draining member. It is sectional drawing which shows 3rd Embodiment of a draining member. It is sectional drawing which shows 4th Embodiment of a draining member.

The building outer wall projecting part to which the draining member of the present invention is attached will be described.
As shown in FIG. 1, the building outer wall projecting portion is a take-out balcony 1.
The take-out balcony 1 has an exterior material 1c attached to an outdoor side surface 1b of a main body 1a attached to a building housing 2 to form an outdoor side surface 1d, and an eaves board 1f attached to a lower surface 1e of the main body 1a as a lower surface 1g.
An outer wall material is attached to the building frame 2 to form a building outer wall 3.
The building housing 2 has an upper opening 2a and a lower opening 2b, and a sash (not shown) is attached to the upper opening 2a and the lower opening 2b.

The draining member 4 of the present invention is attached to the lower part of the outdoor side of the take-out balcony 1, for example, the lower part of the outer side of the main body 1a.
The rainwater flowing along the outdoor side surface 1d of the take-out balcony 1 is drained by the draining member 4 so that the rainwater does not enter the lower surface 1g of the take-out balcony 1.

As shown in FIG. 2, the draining member 4 includes a fixing part 4a for fixing to the projecting part, a draining part 4b extending continuously from the fixing part 4a to the outdoor side, and an outdoor part to be described later. The mounting part 4c which can attach a member is provided.
By fixing and attaching the fixing portion 4a to the lower portion on the outdoor side of the overhanging portion, the draining portion 4b protrudes in the outdoor direction from the outdoor side surface of the overhanging portion. For example, by attaching the fixing portion 4a to the outdoor side surface 1b and the lower surface 1e of the main body 1a of the take-out balcony 1, the draining portion 4b is positioned below the outdoor side surface 1d of the taking-out balcony 1, and the draining portion 4b is located on the outdoor side surface. It projects in the outdoor direction from 1d.
The attaching part 4c is located below the draining part 4b.

Since it is like this, an outdoor member can be attached to the attachment part 4c of the draining member 4. FIG.
For example, a drooping wall is attached to the attachment portion 4c of the draining member 4, and the portion below the projecting portion of the building outer wall 3 is covered with the dripping wall to improve the appearance design.
A screen is attached to the attachment portion 4 c of the draining member 4.
An outer shade is attached to the attachment portion 4c of the draining member 4, and the lower opening 2b of the building housing 2 is shielded from light.
A clothesline or a hook is attached to the attachment portion 4c of the draining member 4.

  As shown in FIG. 2, the draining member 4 includes an upper wall 40, an indoor vertical wall 41 provided downward on the indoor side end of the upper wall 40, and an outdoor outdoor vertical wall provided downward on the outdoor end of the upper wall 40. A wall 42, a room-side lower wall 43 that is continuous with the lower end of the indoor vertical wall 41, and is provided toward the outdoor side, and a room that is continuous with the lower end of the outdoor vertical wall 42 and is provided toward the indoor side. An outer lower wall 44, a connecting vertical wall 45 that connects the indoor upper wall 40a that is closer to the interior of the upper wall 40, and the indoor lower wall 43, and a connecting horizontal wall 46 that connects the connecting vertical wall 45 and the outdoor lower wall 44. The first drainage wall 4-1 having the first and second attachment walls 47 facing the indoor side of the indoor upper wall 40a of the drainer main body 4-1, and the indoor upper wall of the upper wall 40. It has the 2nd attachment wall 48 provided upwards in the boundary of 40a and the outdoor side upper wall 40b.

The indoor side upper wall 40a is horizontal, and the outdoor side upper wall 40b is inclined so that the outdoor side is lower than the indoor side.
The draining body 4-1 can ensure high strength by having the indoor side hollow part 4-1a and the outdoor side hollow part 4-1b.

The first mounting wall 47 and the second mounting wall 48 form the mounting portion 4a.
The first mounting wall 47 is fixed to the lower surface of the overhanging portion, for example, the lower surface 1e of the main body 1a of the take-out balcony 1 with a fixing tool, for example, a screw 49, and the second mounting wall 48 is fixed to the outdoor side surface of the overhanging portion, for example, the main body of the taking-out balcony 1 It fixes to the outdoor side surface 1b of 1a with the fixing tool, for example, the screw 49. FIG.

  Since it is like this, since the draining member 4 adheres to two surfaces, the lower surface of an overhang | projection part (the main body 1a of the take-out balcony 1), and the outdoor side surface, the securing strength of the draining member 4 can be ensured.

A concave groove 50 opened downward is formed by the outdoor end face of the eaves board 1f attached to the lower surface 1e of the main body 1a of the take-out balcony 1, the first mounting wall 47, and the indoor vertical wall 41.
A sealing material 51 is provided in the concave groove 50 so that the mounting portion of the first mounting wall 47 is watertight.

The outdoor upper wall 40b forms the draining portion 4b.
The outdoor side end 43a of the indoor side lower wall 43, the connecting vertical wall 45, the connecting horizontal wall 46, and the indoor side end 44a of the outdoor side lower wall 44 form a dovetail groove 52 that opens downward. The first mounting portion 4c-1 is provided.
The indoor-side lower wall 43 has a thick portion 43b, and the thick portion 43b serves as a second attachment portion 4c-2.
The second mounting portion 4c-2 is closer to the indoor side than the first mounting portion 4c-1.

  As shown in FIG. 3, the dovetail groove 52 is continuous with the opening 53 that opens to the lower surface, the opening 53, the housing 54 above the opening 53, and the housing 54, and from the housing 54. The upper space portion 55 is also provided.

The dimension in the indoor outside direction between the indoor side vertical surface 54a and the outdoor side vertical surface 54b of the storage part 54, that is, the storage width H1, is between the indoor side opening edge 53a and the outdoor side opening edge 53b of the opening 53. The dimension in the indoor outside direction, that is, the opening width H2, which is larger than the central portion in the indoor outside direction of the accommodating portion 54, that is, the width direction center H1-1 of the accommodating width H1, and the central portion in the indoor outside direction of the opening 53, That is, the width direction center H2-1 of the opening width H2 is the same in the indoor exterior direction.
The indoor side vertical surface 54a of the accommodating portion 54 is closer to the indoor side than the indoor side opening edge 53a of the opening 53, and the accommodating portion 54 includes the indoor side opening edge 53a of the opening 53 and the indoor vertical surface 54a of the accommodating portion 54. Has a continuous indoor-facing surface 54c.
The outdoor vertical surface 54b of the accommodating portion 54 is closer to the outdoor side than the outdoor opening edge 53b of the opening 53, and the accommodating portion 54 includes the outdoor open edge 53b of the opening 53 and the outdoor vertical surface 54b of the accommodating portion 54. Has a continuous outdoor facing surface 54d.
The accommodating portion 54 has a downward outdoor support surface 54e facing the outdoor placement surface 54d in the vertical direction, and has an outdoor support surface 54e, an outdoor vertical surface 54b, and an outdoor placement surface 54d. A U-shaped concave portion is formed toward the indoor side.

The space portion 55 has a U-shape that is open toward the housing portion 54 at the indoor vertical surface 55a, the outdoor vertical surface 55b, and the downward surface 55c.
The indoor vertical surface 55a is continuous with the upper portion of the indoor vertical surface 54a of the accommodating portion 54, and is continuous with the lower vertical surface 55a-1 that is inclined toward the indoor side, and the upper portion of the lower vertical surface 55a-1. The vertical upper vertical surface 55 a-2 is bowl-shaped, and the indoor space portion 55-1 of the space portion 55 projects more indoors than the indoor vertical surface 54 a of the housing portion 54.
The lower end of the outdoor side vertical surface 55b of the space portion 55 is continuous with the indoor side end of the outdoor side support surface 54e of the accommodating portion 54, and the outdoor side vertical surface 55b extends in the direction of the outdoor side with the outdoor opening edge 53b of the opening 53. It is almost the same position.

That is, the connecting vertical wall 45 is connected to the upper side of the first vertical wall 45a and the upper end of the first vertical wall 45a which is provided upward toward the outdoor side of the indoor side lower wall 43, and is provided obliquely upward in the indoor side. The second vertical wall 45b and the third vertical wall 45c that is continuous with the upper end of the second vertical wall 45b and is provided vertically upward, as shown in FIG. It is connected to the upper wall 40a.
The connecting horizontal wall 46 includes an indoor side horizontal wall 46a provided horizontally toward the outdoor side near the lower part of the third vertical wall 45c, and a vertical indoor vertical wall 46b provided downward on the outdoor side end of the indoor side horizontal wall 46a. An outdoor side wall 46c provided horizontally at the lower end of the indoor side vertical wall 46b in the direction toward the outdoor side, and an outdoor side vertical wall 46d provided vertically downward at the outdoor side end of the indoor side horizontal wall 46c. The outer vertical wall 46 d is connected to the indoor side of the outdoor lower wall 44.

The indoor side end 43a of the indoor side lower wall 43, the first vertical wall 45a of the connection vertical wall 45, the outdoor side horizontal wall 46c, the outdoor side vertical wall 46d of the connection horizontal wall 46, and the indoor side end of the outdoor side lower wall 44 The accommodating part 54 is formed with 44a.
A space 55 is formed by the second vertical wall 45b and the third vertical wall 45c of the connection vertical wall 45 and the indoor side horizontal wall 46a and the indoor side vertical wall 46b of the connection horizontal wall 46.

As such, the back plate 5 can be inserted into the dovetail groove 52 from the opening 53.
That is, as shown by a one-dot chain line in FIG. 4, the back plate 5 is inclined so that one end portion 5 a is on the top and the other end portion 5 b is on the bottom, and the back plate 5 is formed in the groove 52 from the opening 53. It inserts and the one end part 5a of the backplate 5 is located in the indoor side space part 55-1 of the space part 55. FIG. In this state, as shown by a two-dot chain line, the other end portion 5 b of the back plate 5 is pushed up, and the other end portion 5 b is positioned closer to the outdoor side of the accommodating portion 54 through the opening 53.
In this state, the back plate 5 is moved to the outside of the housing portion 54 as shown by a three-dot chain line in FIG. 4, and the back plate 5 is housed in the housing portion 54 as shown by a solid line in FIG. 4.
As a result, one end portion 5a of the back plate 5 is placed on the indoor placement surface 54c of the housing portion 54, the other end portion 5b is placed on the outdoor placement surface 54, and the other end portion 5b of the back plate 5 is placed. Is supported so as not to move upward by contacting the outdoor support surface 54e.

In addition, although illustration is abbreviate | omitted, the space part 55 can be made into the shape which the outdoor side space part protrudes on the outdoor side rather than the outdoor side vertical surface 54b of the accommodating part 54. FIG.
In this way, the back plate 5 is inserted from the opening 53 into the dovetail groove 52 so that the one end 5a of the back plate 5 is positioned in the outdoor space portion of the space 55, and the back plate 5 is accommodated. The portion 54 can be provided.

The back plate 5 is for screwing a screw for attaching the outdoor member to the attachment portion 4c of the draining member 4 as will be described later.
For example, as shown in FIG. 5, the outer shade 6 is attached to the draining member 4 by screwing the first screw 61 that extends in the vertical direction from the mounting bracket 60 of the outer shade 6 that is an outdoor member to the back plate 5.
The mounting bracket 60 is fixed to the draining member 4 by screwing a second screw 62 extending in the vertical direction into the thick portion 43 b of the indoor lower wall 43.
As a result, the outer shade 6 is fixed at two locations separated from each other in the indoor outside direction of the draining member 4, so that the mounting strength of the outer shade 6 can be ensured.

  The outdoor member is not limited to the outer shade 6 and may be a hanging wall, a screen, a clothesline, a hook, or the like.

  As described above, according to the draining member 4 of the present invention, since an outdoor member can be attached to the draining member 4, when attaching an outdoor member under the overhanging portion, a hole is formed in the building outer wall 3 and the building housing 2. There is no need to drill, and the outdoor member can be easily attached under the overhang.

Since the screw 61 screwed to the back plate 5 is directed in the vertical direction as shown in FIG. 5, the outdoor member cannot be attached to the attachment portion 4 c of the draining member 4 with the screw directed toward the indoor outside direction.
Therefore, as shown in FIG. 6, the first screw 61, the second screw 2 is attached to the attachment portion 4 c (first attachment portion 4 c-1, second attachment portion 4 c-2) of the draining member 4. It attaches with the screw 62 of.
The attachment 7 includes a bowl-shaped main body 72 having an upper horizontal wall 70 and an outdoor vertical wall 71, and a hook-shaped cover 75 having a horizontal wall 73 and an indoor vertical wall 74, and the cover 75 is detachably attached to the main body 72 with a screw 76. Attach it as an attachment.
A first screw 61 extending in the vertical direction from the upper horizontal wall 70 is screwed into the back plate 5 provided in the groove 52, and a second screw 62 extending in the vertical direction is screwed into the thick portion 43 b of the indoor lower wall 43. By attaching, the attachment 7 is attached to the lower surface of the draining member 4.

The outdoor vertical wall 71 of the main body 72 of the attachment 7 has a mounting groove, for example, a dovetail groove 77 opened to the outside of the room, and the back plate 5 is provided in the dovetail groove 77.
Since the back plate 5 can be screwed with the screw 78 directed toward the indoor outside direction, the outdoor structure can be attached to the draining member 4 with the screw 78 directed toward the indoor outside direction via the attachment 7.
For example, the vertical wall 8 a-1 of the rafter member 8 a of the terrace roof 8 is in contact with the outdoor vertical wall 71 of the main body 72 of the attachment 7, and a screw 78 directed from the vertical wall 8 a-1 toward the indoor outdoor direction is attached to the back plate 5. The purlin member 8a is attached to the attachment 7 by screwing.

As shown in FIG. 7, attachment portions may be formed on the horizontal wall 73 and the indoor vertical wall 74 of the cover 75 of the attachment 7. For example, a dovetail groove 77 similar to that shown in FIG. 3 is formed in the horizontal wall 73 so as to open downward, and a dovetail groove 77 opened in the indoor side is formed in the indoor vertical wall 74.
In this way, an outer shade, a hook or the like can be attached to the attachment 7.

Although illustration is omitted, an attachment portion, for example, a dovetail groove 77 opened downward, may be formed in the lateral wall 73 of the cover 75 of the attachment 7.
In this way, the outer shade can be attached to the attachment 7 in the same manner as shown in FIG.

Next, another embodiment of the draining member 4 will be described.
As shown in FIG. 8, a protrusion 54 a-1 that faces the outdoor side is provided at the upper end of the indoor vertical surface 54 a of the accommodating portion 54 of the dovetail groove 52, and the protrusion 54 a-1, the indoor vertical surface 54 a, A concave portion opened to the outdoor side is formed with the surface 54c.

In this way, as shown in FIG. 9, the back plate 5 is placed in the accommodating portion 54, the one end portion 5a is placed on the indoor placement surface 54c, and the other end portion 5b is placed on the outdoor placement surface 54d. When the back plate 5 tries to move upward in the attached state, one end portion 5a of the back plate 5 interferes with the protrusion 54a-1, and the other end portion 5b interferes with the outdoor support surface 54e. The plate 5 can be supported so as not to move upward.
Therefore, since the back plate 5 does not move upward when the first screw 61 directed in the vertical direction is screwed to the back plate 5, the first screw 61 can be easily screwed to the back plate 5.

As shown in FIG. 10, an indoor side support surface 54f that extends in the outdoor direction is provided at the upper end of the indoor side vertical surface 54a of the accommodating portion 54 of the dovetail groove 52, and the accommodating portion 54 is chambered with respect to the center H1-1 in the width direction. The inside and the outside are symmetrical.
The indoor vertical surface 55a of the space portion 55 of the dovetail groove 52 is perpendicular to the outdoor side end of the indoor support surface 54f of the accommodating portion 54, and the space portion 55 is defined with respect to the center H1-1 of the accommodating portion 54 in the width direction. The indoor side and the outdoor side are symmetrical.
As shown in FIG. 11, the dimension between the indoor-side vertical surface 55 a and the outdoor-side vertical surface 55 b of the space portion 55, that is, the width H3 of the space portion 55 is smaller than the width H1 of the housing portion 54. It is larger than the opening width H2.

  If it does in this way, the head of a hexagon bolt can be fitted and attached to space 55.

  10 and 11, since the back plate 5 cannot be put into the accommodating portion 54 of the groove 52 from below the draining member 4 through the opening 53, the draining member 4 is used as an overhanging portion. Before the attachment, or in a state where the draining member 4 is attached to the overhanging portion, the back plate 5 is slid and inserted into the housing portion 54 in the longitudinal direction from one end in the longitudinal direction of the draining member 4. The same applies when inserting bolts.

When attaching the draining member 4 along the front surface and the side surface of the overhanging portion, the lengthwise end portion of the draining member 4 attached to the front surface and the lengthwise end portion of the draining member 4 attached to the side surface are resin corners. Sometimes connected in blocks.
In this case, a notch part into which the back plate enters the corner block can be formed, and the back plate can be put into the accommodating part 54 from the notch part.

  Further, when the back plate 5 is put into the accommodating portion 54, the back plate 5 enters a part of the length direction of the outdoor side end 43 a of the indoor side lower wall 43 and the back plate side end 44 a of the outdoor side lower wall 44. A notch can be formed, the back plate 5 can be put into the storage portion 54 from the notch, and the back plate 5 can be moved in the length direction to a predetermined position.

  As shown in FIG. 12, a room-side protruding wall 43 c that protrudes in the room-side direction from the room-side vertical wall 41 is formed in the room-side lower wall 43, and a space between the room-side protruding wall 43 c and the first mounting wall 47 is formed. It is possible to insert the outdoor end of the eaves board 1f. The draining body 4-1 of the draining member 4 has one, or two or more hollow portions.

As shown in FIG. 13, the lower wall of the draining member 4 has a shape in which an indoor side lower wall 43 and an outdoor side lower wall 44 are integrally continuous.
The wall thickness of this lower wall is made thicker than the wall thickness of the upper wall 40, the indoor side vertical wall 41, and the outdoor side vertical wall 42, and the overall length in the indoor outside direction of the lower wall is defined as the attachment portion 4c.
In this way, since the screw can be screwed into the lower wall, that is, the lower side of the draining member 4 in the indoor outside direction, the outdoor member can be attached to the arbitrary position. The draining body 4-1 of the draining member 4 has one hollow part.

As shown in FIG. 14, the draining member 4 may have a shape having no hollow portion.
That is, the upper wall 40 is only the outdoor upper wall 40b, and the second mounting wall 48 is provided vertically upward at the indoor side end of the outdoor upper wall 40b. The draining member 4 shown in FIG. 13 may also have a shape that does not have a hollow portion.
A second mounting wall 47 is provided on the upper end of the outdoor vertical wall 41 toward the indoor side.
The draining member 4 shown in FIGS. 13 and 14 may have an indoor side protruding wall 43c on the indoor side lower wall 43 in the same manner as the draining member 4 shown in FIG.

In the embodiment, the building outer wall overhanging part is a take-out balcony. The building outer wall on the upper floor that protrudes beyond the outer wall of the building.
Further, the back plate is not limited to a member to which a bolt is screwed, and may be a member such as a washer through which a bolt is inserted and a bolt head is in contact.

  DESCRIPTION OF SYMBOLS 1 ... Take-out balcony (overhang | projection part), 2 ... Building frame, 3 ... Building outer wall, 4 ... Draining member, 4a ... Adhering part, 4b ... Draining part, 4c ... Mounting part, 5 ... Back plate, 5a ... One end part, 5b ... other end, 7 ... attachment, 52 ... groove, 53 ... opening, 53a ... indoor opening edge, 53b ... outdoor opening edge, 54 ... accommodating part, 54a ... inner side vertical surface, 54b ... outdoor vertical Surface 54c ... indoor side mounting part 54d ... outdoor side mounting part 54e ... outdoor side support surface 54f ... indoor side support surface 55 ... space part 55-1 ... indoor side space part 60 ... mounting bracket 68 ... Screw.

Claims (6)

A draining member to be attached to the building outer wall overhang,
An adhering part to be adhering to the building outer wall projecting part;
A draining portion extending in the outdoor direction from the fixed portion;
Provided below the draining part, and provided with an attaching part to which an outdoor member can be attached ,
The drainage member , wherein the attachment portion is a dovetail groove that opens downward . The mounting portion, the dovetail groove and the dovetail groove and the interior and exterior directions draining member according to claim 1, wherein a thick portion adjacent. The dovetail groove is continuous with the opening that opens downward, the opening above the opening, the housing that is continuous with the housing, and has a space above the housing.
The space portion has an indoor space portion that protrudes indoors from the indoor side of the housing portion, or an outdoor space portion that protrudes outward from the outdoor side of the housing portion, and opens one end of the back plate. The draining member according to claim 1 or 2, wherein the back plate can be provided in the accommodating portion by being inserted into the indoor space portion or the outdoor space portion from the portion. The dovetail groove has an opening that opens downward, and is continuous with the opening, has an accommodating portion that is above the opening, and has a space that is continuous with the accommodating portion and above the accommodating portion,
The accommodating portion includes a room-side mounting surface that is continuous with the room-side opening edge of the opening and on which one end portion of the back plate is placed, a room-side support surface that is spaced apart from the room-side placement surface in the vertical direction, and An outdoor mounting surface that is continuous with the outdoor opening edge of the opening and on which the other end of the back plate is mounted, and an outdoor support surface that is spaced apart from the outdoor mounting surface in the vertical direction. The draining member according to any one of claims 1 to 3 . Attach an attachment to the attachment part of the draining member,
The draining member according to any one of claims 1 to 4, wherein an outdoor vertical wall of the attachment has an attachment portion . The draining member according to claim 5 , wherein an attachment portion is provided on a lower wall of the attachment and / or a vertical wall on the indoor side .

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