JP6233746B2 - Drain - Google Patents

Description

  The present invention relates to a drain for connecting an eaves rod and a downstream pipe.

  Patent Document 1 discloses a drain used by being attached to the bottom of an eaves. This drain has an upper inner cylinder and a lower outer cylinder. The upper inner cylinder includes a male thread and a flange formed on the outer surface of the upper end of the male thread. The male screw of the upper inner cylinder is inserted from above into a drain hole formed in the bottom of the eaves bowl. The lower outer cylinder includes a cylindrical main body and a flange formed on the outer surface of the upper end portion of the cylindrical main body. An internal thread is formed on the inner surface of the cylindrical main body. The female screw of the lower outer cylinder is screwed to the male screw of the upper inner cylinder. Thereby, the peripheral part of the drainage hole in the bottom part of the eaves bowl is sandwiched between the eaves part of the upper inner cylinder and the eaves part of the lower outer cylinder, and the drain is attached to the eaves bowl.

JP-A-9-279784

  By the way, in the drain disclosed in Patent Document 1, the male screw of the upper inner cylinder is screwed into the inner side of the lower outer cylinder. For this reason, the flow path area of the drainage at the screwed portion is smaller than the inner diameter of the lower outer cylinder by the thickness of the upper inner cylinder. Accordingly, there is a possibility that the drainage performance is lowered.

  This invention is made | formed in view of the said situation, Comprising: It aims at providing the drain which has the outstanding drainage capability.

In order to solve the above problems, the drain of the present invention is disposed on the same virtual circle in plan view as the drainage cylinder disposed below the eaves and communicated with a drop port formed at the bottom of the eaves. And a plurality of struts projecting upward from the bottom of the eaves through the outlet from the drain , and a threaded portion is formed at a position located above the bottom of the eaves in the plurality of struts . A projecting member, a water-permeable member placed on the bottom of the eaves ridge, and a bottom portion of the eaves ridge through the water-permeable member by being screwed to the screw portion and a screw member that presses, the drainage tube includes a cylindrical portion protrudes from the end of the building side of the upper edge of the tubular portion downwardly, the walls of the building side of the eaves gutter A vertical plate portion that comes into surface contact, and protrudes from the vertical plate portion toward the outdoor side. Characterized in that a transverse plate portion than the dropping port to the lower surface to surface contact portion located on the wall side.

  Moreover, it is preferable that the said water flow member and the said screw member are separate bodies.

  Moreover, it is preferable that the said water flow member is formed in the cylinder shape which can be engage | inserted on the outer side of the said protrusion member.

Further, it is preferable that before Symbol threaded portion said a female thread made up of a screw groove formed in each post.

  In the drain according to the present invention, the drainage pipe is disposed below the eaves bowl, and the screw member is screwed into the threaded part of the protruding member protruding upward from the bottom part of the eaves bowl. It can be attached to the eaves by sandwiching the bottom of the bag. Moreover, when attached to the eaves in this manner, the screw member can be disposed above the bottom of the eaves, and there is no need to screw another member inside the drain tube. For this reason, it is possible to increase the drainage by increasing the flow path area in the drain tube.

It is sectional drawing which shows the state in which the drain of 1st Embodiment was attached to the eaves. It is a side view of the drain of a 1st embodiment. It is an exploded view of the drain of a 1st embodiment. It is sectional drawing which shows the state which attached the drain of 2nd Embodiment to the eaves. It is a perspective view which shows the state which attached the drain of 3rd Embodiment to the eaves. It is a partially cutaway perspective sectional view showing a state where the drain of the third embodiment is attached to the eaves. It is a disassembled perspective view of the drain of 3rd Embodiment. It is a perspective view which shows the state which attached the drain of 4th Embodiment to the eaves. It is a partially notched perspective sectional view which shows the state which attached the drain of 4th Embodiment to the eaves wall. It is a disassembled perspective view of the drain of 4th Embodiment.

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

(First embodiment)
FIG. 1 shows a state in which the drain 1 of the first embodiment is attached to the eaves 2. Hereinafter, the drain 1 and its mounting structure will be described with the longitudinal direction of the eaves ridge 2 as the left-right direction, the building side as the rear and the outdoor side as the front as viewed from the eave ridge 2, with reference to the direction in this attached state.

  The eaves bowl 2 to which the drain 1 of this embodiment is attached is a square bowl. The eaves rod 2 is suspended by an eaves rod hanging tool (not shown) attached to the building. The eaves bowl 2 has a bottom part 20, a front wall part 21, and a rear wall part 22. The bottom 20 of the eaves basket 2 is substantially horizontal. The front wall portion 21 located on the outdoor side rises from the front end portion of the bottom portion 20 and is inclined so as to be located on the front side as it goes upward. The rear wall portion 22 rises from the rear end portion of the bottom portion 20 and is substantially vertical.

  The bottom 20 of the eaves 2 is formed with a drop opening 200 penetrating vertically. The pit 200 is formed in a circular shape in plan view using, for example, a hole saw. Note that the pit 200 may be formed in a non-circular shape.

  As shown in FIG. 3, the drain 1 includes a drain tube 3, a protruding member 4, a water passage member 5, and a screw member 6.

  As shown in FIG. 1, the drainage cylinder 3 includes a cylindrical portion 30 and a contact portion 31 provided at the upper end portion of the cylindrical portion 30. The cylindrical part 30 is formed in a cylindrical shape. The axial direction of the cylindrical portion 30 is inclined so as to be located on the rear side (building side) as it goes downward. A downstream portion (a lower portion in the axial direction) of the cylindrical portion 30 is a connecting portion 300 that can connect a downstream pipe such as the call 7.

  The abutting portion 31 includes a substantially vertical vertical plate portion 310 and a substantially horizontal horizontal plate portion 311. As for the upper edge part of the cylindrical part 30, the rear-end part protrudes upwards rather than the front part. The vertical plate portion 310 protrudes downward from the rear end portion of the upper edge portion of the tubular portion 30 and is substantially vertical so as to be parallel to the rear wall portion 22 of the eaves cage 2. The horizontal plate portion 311 protrudes forward from the lower edge portion of the vertical plate portion 310 and is substantially horizontal so as to be parallel to the bottom portion 20 of the eaves bowl 2. The left and right sides of the horizontal plate portion 311 are connected to the upper edge portion excluding the rear end portion of the tubular portion 30. The rear portion of the upper end portion of the cylindrical portion 30 is closed by the contact portion 31.

  At the front part of the upper end of the drain tube 3, an upper opening 32 penetrating vertically is formed, surrounded by the upper edge of the tubular part 30 and the horizontal plate part 311. The space in the drain tube 3 is opened upward via the upper opening 32.

  The protruding member 4 protrudes upward from the upper end of the drain tube 3. The projecting member 4 is composed of a plurality of support columns 40 arranged on the same virtual circle with a space in plan view. The protruding member 4 of the present embodiment is composed of two struts 40 arranged in the front and rear.

  Each column 40 protrudes above the drain tube 3 from the inner surface of the upper opening 32 of the drain tube 3. Each column 40 is mainly composed of an arcuate plate-like portion 400 along the virtual circle in plan view.

  From the lower end part of the plate-like part 400 of each support column 40, the fitting part 401 protrudes outward. On the inner surface of the upper opening 32 of the drain tube 3, a groove 33 is formed in a portion corresponding to the insertion portion 401 of each support column 40. The fitting portion 401 of each support column 40 is fitted into the corresponding groove portion 33, and each support column 40 is connected to the drain tube 3 in this state.

  A screw portion 41 is formed at the upper end portion of the protruding member 4. The screw part 41 is constituted by a thread groove part 402 formed on the inner side surface of each upper end part of both the struts 40, and is a female screw. In addition, the protrusion member 4 may be comprised by the 3 or more support | pillar 40 arrange | positioned through a space | interval on a virtual circle. Moreover, each support | pillar 40 may be rod-shaped.

The drain tube 3 is disposed below the eaves 2. The horizontal plate portion 311 of the drain tube 3 is in surface contact with the lower surface of the bottom portion 20 of the eaves bowl 2. Thereby, the upward movement of the drain tube 3 is regulated. The vertical plate portion 310 of the drain tube 3 is in surface contact with the rear surface of the rear wall portion 22 of the eaves bowl 2. Thereby, the movement to the front of the drain tube 3 is controlled. The protruding member 4 protrudes upward from the bottom 20 of the eaves 2 through the drop opening 200 from below the eaves 2.

  The water flow member 5 is formed in a cylindrical shape that is opened up and down. The water flow member 5 of this embodiment is a filter member having a function of collecting garbage such as fallen leaves. The water flow member 5 has a dust removal part 50 and a fitted part 51. The dust-removal part 50 is formed by connecting upper and lower annular frame parts 500 and 501 with a net-like (lattice-like) peripheral wall part 502, and is formed in a vertically long cylindrical shape as a whole. A large number of rectangular water passage holes 503 formed by meshes (lattices) are formed in the peripheral wall portion 502 of the dust removal portion 50 throughout.

  The fitted portion 51 is attached to the upper end portion of the dust removal portion 50. As shown in FIG. 1, the fitted portion 51 protrudes upward from the inner peripheral edge portion of the upper end portion of the dust removal portion 50 and is formed in a substantially cylindrical shape. A water passage hole 503 is not formed in the peripheral wall portion of the fitted portion 51. The inner diameter of the fitted part 51 is substantially the same as the inner diameter of the cylindrical dust-removal part 50. The fitted portion 51 may be formed integrally with the dust removal portion 50.

  A pressed portion 52 is connected to the inside of the fitted portion 51. The pressed portion 52 is bridged between the left and right side portions of the peripheral wall portion of the fitted portion 51. The pressed part 52 may protrude from the inner surface of either the left or right side of the fitted part 51. Further, the pressed portion 52 may be formed on the upper portion of the dust removal portion 50.

  As shown in FIG. 1, a tubular water-permeable member 5 is fitted to the outside of the protruding member 4 from above. Specifically, a portion below the upper end portion where the thread groove portion 402 of each support column 40 is formed fits inside the dust removal portion 50. Further, the upper end portion of each support column 40 is fitted inside the fitted portion 51.

  In order to fit the water flow member 5 to the projecting member 4, the water flow member 5 may be fitted to the projecting member 4 projecting on the bottom portion 20 of the eaves bowl 2, or placed on the bottom portion 20 of the eaves bowl 2. You may carry out by inserting the protrusion member 4 provided in the drain tube 3 in the placed water-permeable member 5.

  The water flow member 5 is placed on the bottom 20 of the eaves bowl 2. In this mounted state, the horizontal lower end surface of the dust removal portion 50 comes into surface contact with the peripheral edge portion of the drop opening 200 of the eaves bowl 2. The water flow member 5 is taller than the eaves 2. For this reason, when the water flow member 5 is placed on the bottom portion 20 of the eaves bowl 2, the fitted portion 51 which is the upper end portion of the water flow member 5 has the front wall portion 21 and the rear wall portion 22 of the eave wall 2. Projecting upward.

  The pressed portion 52 formed at the upper end portion of the water flow member 5 is disposed between the both struts 40. The pressed portion 52 is disposed at the same level as the lower end portion of the screw portion 41 of the protruding member 4 or slightly below the screw portion 41.

  The screw member 6 is formed in a substantially cylindrical shape opened up and down. A male screw 60 is formed on the outer peripheral surface of the lower portion of the screw member 6. On the upper part of the screw member 6, a grip portion 61 is formed that is gripped by the installer when the screw member 6 is rotated.

  The screw member 6 is screwed between the two columns 40 (in the radial direction of the virtual circle). Thereby, the male screw 60 of the screw member 6 is screwed into the screw groove portion 402 (screw portion 41) of each support column 40. The screw member 6 is screwed into the screw portion 41 until the lower end surface thereof abuts on the upper surface of the pressed portion 52 of the water passage member 5. The screw member 6 screwed into the protruding member 4 presses the pressed portion 52 of the water passage member 5 downward. Accordingly, the bottom portion 20 of the eaves bowl 2 is sandwiched between the lower end surface of the water passage member 5 and the horizontal plate portion 311 of the drain tube 3, and the drain 1 is fixed to the eave bowl 2.

  The screw member 6 screwed into the protruding member 4 presses each support column 40 outward. Thereby, the upper end part of each support | pillar 40 is pinched | interposed between the to-be-fitted part 51 of the water flow member 5, and the screw member 6. FIG.

  For example, as shown in FIG. 1, the upstream end portion of the call 7 is directly connected to the connecting portion 300 of the drain tube 3. Since the drain tube 3 is attached to the eaves rod 2 with its axial direction inclined with respect to the vertical direction, a pipe material such as an elbow for connecting the call rod 7 to the eave rod 2 can be omitted. The downstream end of the call 7 is connected to the upper end of the basket through an elbow.

  As shown in FIG. 1, in a state where the drain 1 is attached to the eaves 2, rainwater flowing through the eaves 2 flows to the call 7 through the drain 1. Specifically, rainwater flowing through the eaves 2 passes through the numerous water holes 503 of the water flow member 5, the space formed between both struts 40, and the outlet 200 of the eaves 2 in the drain tube 3. Flowing into. Then, this rainwater flows to a call 7 connected to the drain tube 3.

  When the rainwater passes through the water passage hole 503 of the water passage member 5, dust such as fallen leaves included in the rainwater is collected by the net-like dust remover 50 of the water passage member 5. For this reason, in the drain tube 3 on the downstream side of the water flow member 5 and the pipe material disposed on the downstream side of the drain tube 3, dust and the like are hardly clogged.

  The drain 1 of the present embodiment described above includes the drain tube 3 disposed below the eaves bowl 2 and communicating with the drop port 200 formed in the bottom 20 of the eave basket 2, and the eaves from the drain cylinder 3 through the drop port 200. And a projecting member 4 projecting upward from the bottom 20 of the flange 2. A threaded portion 41 is formed at a location located above the bottom portion 20 of the eaves rod 2 in the protruding member 4. The drain 1 is screwed into the threaded portion 41 and the water-permeable water-permeable member 5 placed on the bottom portion 20 of the eaves bowl 2, so that the bottom portion 20 of the eave bowl 2 is interposed via the water-permeable member 5. And a screw member 6 that presses downward.

  The drain 1 has a drainage cylinder 3 disposed below the eaves ridge 2, and a screw member 6 is screwed into a threaded portion 41 of the projecting member 4 projecting upward from the bottom 20 of the eave ridge 2. The bottom part 20 of the eaves bowl 2 can be sandwiched between the drainage cylinder 5 and the drainage cylinder 3 and attached to the eaves bowl 2.

  Further, when the drain 1 is attached to the eaves cage 2, the screw member 6 used for attaching the drain 1 can be disposed above the bottom portion 20 of the eaves cage 2. That is, it is not necessary to screw a member inside the drain tube 3 as in the prior art. For this reason, it is possible to increase the drainage by increasing the flow path area in the drain tube 3.

  Further, since the screw portion 41 of the projecting member 4 is formed at a position located above the bottom portion 20 of the eaves rod 2, when the operator tightens the screw member 6, the screw member 6 is The eaves bowl 2 can be easily operated at a high position where it is difficult to get in the way without putting a hand in the back of the door.

  Moreover, it is preferable that the water flow member 5 is a filter member which collects garbage like this embodiment. By doing in this way, the waste contained in rainwater can be collected using the water flow member 5 for pinching the bottom part 20 of the eaves bowl 2.

  Moreover, it is preferable that the water flow member 5 and the screw member 6 are separate bodies as in this embodiment. By doing in this way, when the screw member 6 is tightened, it becomes difficult to apply an excessive torque to the water passage member 5, and it is difficult to cause deformation or breakage of the water passage member 5 due to the screw member 6 being tightened. Can do.

  Moreover, it is preferable that the water flow member 5 is formed in a cylindrical shape that can be fitted to the outside of the protruding member 4 as in the present embodiment. By doing in this way, the water passage member 5 can be positioned and arranged at an appropriate position pressed by the screw member 6 in a plan view only by fitting the water passage member 5 outside the protruding member 4. Construction becomes easy.

  Further, as in the present embodiment, the protruding member 4 has a plurality of support columns 40 arranged on the same virtual circle in plan view, and the screw portions 41 are screw groove portions 402 formed in each support column 40. It is preferable that the female screw is constructed. If it does in this way, each pillar 40 pressed outside can be supported by water member 5 with screw member 6 screwed in screw part 41, and deformation of each pillar 40 accompanying screwing of screw member 6 is possible. It can be made difficult to occur.

(Second Embodiment)
Next, a second embodiment will be described. In the following description, the same components as those in the first embodiment are given the same numbers, and redundant descriptions are omitted.

  FIG. 4 shows a state where the drain 1 of this embodiment is attached to the eaves 2. The eaves bowl 2 to which the drain 1 of the present embodiment is attached is a semicircular bowl and has a bottom portion 23 having a semicircular cross section.

  The drainage cylinder 3 is formed in a cylindrical shape that is inclined so that the axial direction is located rearward as it goes downward. The upper end surface 34 (upper peripheral surface of the upper opening 32) of the drain tube 3 is a concave curved surface having a cross-sectional arc shape recessed downward. In the present embodiment, the upper end surface 34 of the drain tube 3 is a portion that abuts against the lower surface of the bottom 23 of the eaves bowl 2.

  The protruding member 4 includes a cylindrical portion 43 and a plurality of support portions 44. A plurality of support columns 44 are arranged side by side with a space on the same virtual circle in plan view. In the present embodiment, a total of two support columns 44 are provided in the drain tube 3, and both support columns 44 are arranged at intervals in the front-rear direction.

  Each support column 44 has a vertically long bar shape and is formed integrally with the drainage cylinder 3. Each column 44 protrudes above the drain tube 3 from the inner surface on the front side of the drain tube 3 through the upper opening 32.

  The cylinder portion 43 is formed in a cylindrical shape that is opened up and down. The upper end portion of each column portion 44 is integrally connected to the cylinder portion 43. A threaded portion 410 is formed on the outer peripheral surface of the cylindrical portion 43. The screw portion 410 is a male screw.

  The upper end surface 34 of the drain tube 3 is in contact with the bottom surface 23 of the eaves bowl 2 along the bottom surface of the arc-shaped cross section 23 in surface contact. Thereby, the movement of the drainage pipe 3 in the front-rear direction is restricted, and the drainage cylinder 3 is arranged in a state of being positioned so as to be in the direction shown in FIG.

  The water flow member 5 of this embodiment is also a filter member having a function of collecting garbage such as fallen leaves. The water flow member 5 is formed by connecting upper and lower annular frame portions 53 and 54 with a plurality of column portions 55 provided in the circumferential direction, and is formed in a cylindrical shape as a whole. Inside the upper and lower frame portions 53, 54 of the water passage member 5, a hole 56 is formed that penetrates vertically in a circular shape in plan view. A plurality of water passage holes 503 formed between adjacent pillar portions 55 are formed in the circumferential wall portion formed of the plurality of pillar portions 55 of the water passage member 5 in the circumferential direction.

  The lower frame portion 54 of the water passage member 5 is formed in an arc shape along the upper surface of the bottom 23 of the eaves 2 in a cross section orthogonal to the longitudinal direction of the eaves 2. The lower end surface of the water flow member 5 configured by the lower surface of the frame portion 54 has a cross-sectional arc shape that protrudes downward. The water flow member 5 is placed on the bottom 23 of the eaves 2 with the lower surface of the lower frame portion 54 in surface contact with the upper surface of the bottom 23 of the eaves 2.

  The protruding member 4 is fitted into the holes 56 of the upper and lower frame portions 53 and 54 of the water passage member 5. The cylindrical portion 43 formed at the upper end portion of the protruding member 4 protrudes upward from the upper frame portion 53 of the water passage member 5.

  A female screw 62 is formed on the inner peripheral surface of the cylindrical screw member 6. The female screw 62 is screwed into the threaded portion 410 of the cylindrical portion 43 of the protruding member 4. The screw member 6 is fastened to the screw portion 410 until the lower end surface thereof abuts on the upper surface of the upper frame portion 53 of the water passage member 5. The screw member 6 screwed into the protruding member 4 presses the upper frame portion 53 of the water passage member 5 downward. The bottom 23 of the eaves cage 2 is sandwiched between the lower surface of the lower frame portion 54 pressed downward by the screw member 6 and the upper end surface of the drain tube 3. Thereby, the drain 1 is fixed to the eaves 2.

  As shown in FIG. 4, in a state where the drain 1 is attached to the eave cage 2, the rainwater flowing through the eave cage 2 is formed between the numerous water passage holes 503 of the water passage member 5 and the both column portions 44. It flows into the drain tube 3 through the space and the outlet 200 of the eaves 2. Then, this rainwater flows to a call 7 connected to the drain tube 3. In addition, when rainwater passes through the water passage hole 503 of the water passage member 5, dust such as fallen leaves contained in the rainwater is collected by the column portion 55 of the water passage member 5.

(Third embodiment)
Next, a third embodiment will be described. In the following description, elements having the same functions as those in the first embodiment are given the same numbers, and redundant descriptions are omitted.

  The drain 1 of the present embodiment shown in FIGS. 5 to 7 includes a filter member 8 separately from the water passage member 5.

  As shown in FIG. 7, the protruding member 4 of the present embodiment has a cylindrical portion 45 and a plurality of support portions 46. A plurality of support portions 46 are provided side by side on the same virtual circle in plan view with an interval. In the present embodiment, a total of two column portions 46 are provided, and both column portions 46 are arranged in the front-rear direction with a gap therebetween. Each column 46 has a plate shape that is long in the vertical direction.

  On both the left and right sides of the lower end of each support column 46 are formed recesses 460 that pass through in the front-rear direction and open outward in the left-right direction.

  On the inner surface of the upper opening 32 of the drain tube 3, projections 35 are formed at portions corresponding to the recesses 460 of the support columns 46. Corresponding protrusions 35 are fitted into the recesses 460 of each support column 46, and each support column 46 is connected to the drain tube 3 in this state.

  The cylinder part 45 is formed in a substantially cylindrical shape that is opened up and down. The upper end portion of each column portion 46 is integrally connected to the tube portion 45. The lower portions of each column portion 46 are integrally connected via a connection portion 47.

  A threaded portion 411 is formed on the outer peripheral surface of the cylindrical portion 45. The screw part 411 is a male screw. In addition, the protrusion member 4 may be comprised by the 3 or more support | pillar part 46 arrange | positioned on a virtual circle. Moreover, each support | pillar part 46 may be rod-shaped.

  As shown in FIG. 7, the water flow member 5 is formed by connecting the upper and lower plate portions 90, 91 with a plurality of connecting portions 92, 93. The upper and lower plate portions 90 and 91 are substantially horizontal so as to be parallel to the bottom portion 20 of the eaves bowl 2. Insertion holes 900 and 910 penetrating in the vertical direction are formed in the centers of the upper and lower plate portions 90 and 91, respectively.

  The water flow member 5 of the present embodiment has a total of two connecting portions 92 and 93. The connecting portion 92 is provided on the front side of the water passing member 5, and the connecting portion 93 is provided on the rear side of the water passing member 5. Each of the connecting portions 92 and 93 is formed in a rectangular plate shape that is vertically long and has a thickness direction in the front-rear direction. The front connecting portion 92 connects the front end portions of the upper and lower plate portions 90 and 91 and is located on the front side of the insertion holes 900 and 910. The rear connecting portion 93 connects the rear end portions of the upper and lower plate portions 90 and 91, and is located rearward of the insertion holes 900 and 910.

  As shown in FIG. 6, a positioning cylinder portion 911 that protrudes downward from the peripheral edge portion of the insertion hole 910 is formed in the lower plate portion 91. The positioning cylinder portion 911 is formed in a cylindrical shape whose outer peripheral surface is along the inner peripheral surface of the pit 200 of the eaves 2.

  The lower plate portion 91 constituting the lower surface portion of the water flow member 5 is placed on the bottom portion 20 of the eaves bowl 2 with the positioning tube portion 911 fitted into the drop opening 200. Accordingly, the insertion hole 910 of the plate portion 91 communicates with the inside of the drain tube 3. Further, the lower plate portion 91 is restricted from moving in the horizontal direction with respect to the eaves 2 by the positioning cylinder portion 911 being fitted into the drop mouth 200.

  Both struts 46 of the protruding member 4 protruding upward from the drop port 200 are inserted into the insertion hole 910 on the lower side of the water passing member 5. The cylindrical portion 45 of the protruding member 4 protruding upward from the drop port 200 is inserted into the insertion hole 900 on the upper side of the water passing member 5.

  As shown in FIG. 7, a plurality of projecting portions 450 projecting outward are formed at the lower end portion of the cylindrical portion 45. These protrusions 450 are fitted into recesses 901 formed at the hole edges of the insertion holes 900 of the upper plate part 90. Thereby, the circumferential position of the upper plate portion 90 is determined, and the water passing member 5 is restricted from rotating about the vertical axis with respect to the eaves 2.

  As shown in FIG. 6, a female screw 63 is formed on the inner peripheral surface of the cylindrical screw member 6. The female screw 63 is screwed into the screw portion 411 of the cylindrical portion 45 that protrudes further upward than the upper plate portion 90 that constitutes the upper surface portion of the water passage member 5. The screw member 6 is fastened to the screw portion 411 until the lower end surface thereof comes into contact with the upper surface of the plate portion 90 on the upper side of the water passage member 5.

  The screw member 6 screwed into the protruding member 4 presses the upper plate portion 90 of the water passage member 5 downward. As a result, the bottom 20 of the eaves bowl 2 is sandwiched between the lower surface of the lower plate portion 91 of the water passage member 5 and the upper end surface of the drain tube 3, and the drain tube 3, the protruding member 4, the water passage member 5, The screw member 6 is fixed to the eaves 2.

  The filter member 8 is detachably fixed to the water passage member 5. As shown in FIG. 7, the filter member 8 has a dust removal portion 80 and an eaves-fixing portion 81. The dust-removal part 80 is formed in a bowl shape that opens rearward and downward. The dust-removal portion 80 is formed in a net shape (lattice shape), and a large number of rectangular water passage holes 804 each formed of a mesh (lattice shape) are formed over the entire portion.

  The dust-removal part 80 is configured by a half-cylindrical wall part 800 that opens to the rear, and a ceiling part 801 that is disposed above a space surrounded by the wall part 800.

  The wall portion 800 includes a front surface portion 802 that constitutes the front surface of the dust removal portion 80, and side surfaces 803 on both left and right sides that constitute the side surfaces of the dust removal portion 80. Both side surface portions 803 protrude from the left and right end portions of the front surface portion 802 toward the rear side. Both side surface portions 803 are inclined so as to be separated from each other toward the rear.

  The ceiling 801 has a front end connected to the upper end of the front surface 802 and both side ends connected to the upper end of the side surface 803.

  The filter member 8 is placed on the bottom 20 of the eaves 2 with the lower end surface of the wall 800 in surface contact with the bottom 20 of the eaves 2. The wall portion 800 of the filter member 8 covers the periphery except the rear of the water passage member 5, and the ceiling portion 801 covers the upper portion of the water passage member 5 and the screw member 6.

  An opening 805 that penetrates in the front-rear direction and opens downward is formed in the front surface portion 802 of the wall portion 800. The opening 805 is larger than the water passage hole 804, and is formed in a substantially rectangular shape that substantially matches the connecting portion 92 on the front side of the water passage member 5.

  The connecting portion 92 on the front side of the water passage member 5 is fitted into the opening 805 of the dust removal portion 80. Moreover, the left-right width | variety is larger than the upper part at the lower end part of the opening part 805 of the dust removal part 80, and the front-end part of the board part 91 below the water-permeable member 5 is engage | inserted by this part. This restricts the filter member 8 from moving in the left-right direction with respect to the water passage member 5.

  The rear end surfaces of the side surface portions 803 on both sides of the filter member 8 are constituted by protruding end surfaces of a plurality of upper and lower horizontal piece portions 806 protruding rearward at the rear end portions of the side surface portions 803. A rear end surface of each side surface portion 803 forms a wall side portion 807 perpendicular to the front-rear direction.

  As shown in FIG. 5, the side wall portions 807 on both sides of the dust removal portion 80 are disposed to face the front surface of the rear wall portion 22 of the eaves 2. Accordingly, the backward movement of the filter member 8 is restricted by the eaves rod 2.

  Among the horizontal piece portions 806 constituting the rear end portion of the side surface portion 803 on both sides of the dust removal portion 80, the horizontal piece portions 806 other than the horizontal piece portion 806 located at the upper end portion are the upper ends of the rear wall portions 22 of the eaves 2 It is arranged below the rear ear part 220 protruding forward from the part. This makes it difficult for the filter member 8 to slip out above the eaves bowl 2. The side walls 807 on both sides may abut against the front surface of the rear wall portion 22 of the eaves 2 or may be disposed near the front surface of the rear wall portion 22 of the eaves 2.

  The eaves-fixing portion 81 protrudes forward from the ceiling portion 801 that constitutes the upper surface portion of the dust removal portion 80. A hooking portion 810 is formed at the front end portion of the eaves anchoring portion 81. The hooking portion 810 is detachably hooked to the front ear portion 210 formed at the upper end portion of the front wall portion 21 of the eaves rod 2, thereby restricting the movement of the filter member 8 in the vertical and forward directions.

  That is, in the filter member 8, the water passage member 5 is fitted into the opening 805, both wall side portions 807 are along the rear wall portion 22 of the eaves ridge 2, and the hook portion 810 of the eaves ridge fixing portion 81 is connected to the eaves 2. It is fixed to both the eaves cage 2 and the water flow member 5 attached to the eaves cage 2 by being hooked on the front ear portion 210 of the eaves. By fixing the filter member 8 in this way, the water flow member 5 and the screw member 6 are surrounded by the dust-removal part 80, the bottom part 20 of the eaves 2 and the rear wall part 22 as shown in FIG. Arranged in space.

  Further, as described above, the filter member 8 fixed to the water passage member 5 and the eaves ridge 2 has the screw member 6 screwed to the protruding member 4 and the drain tube 3 and the water permeable member 5 are attached to the eave ridge 2. It can be removed in the state. In order to remove the filter member 8, the hooking portion 810 is removed from the front ear portion 210, the filter member 8 is lifted upward, and thereby the water-permeable member 5 is removed from the opening 805.

  As shown in FIG. 5, in a state where the drain 1 is attached to the eaves 2, rainwater flowing through the eaves 2 passes through the water holes 804 of the wall portion 800 of the filter member 8. This rainwater passes through the connecting portions 92 and 93 of the water passage member 5 and the lower insertion hole 910 in order, and is discharged from the outlet 200 of the eaves 2 to the drain tube 3. Here, when rainwater flowing through the eaves 2 passes through the water passage hole 804 of the filter member 8, dust such as fallen leaves contained in the rainwater is collected by the net-like dust-removal portion 80 of the filter member 8.

(Fourth embodiment)
Next, a fourth embodiment will be described. In the following description, elements having the same functions as those in the second embodiment are given the same numbers, and redundant descriptions are omitted.

  The drain 1 of the present embodiment shown in FIGS. 8 to 10 includes a filter member 8 separately from the water passage member 5.

  As shown in FIG. 10, the water flow member 5 is formed by connecting upper and lower plate portions 95 and 96 with a plurality of connecting portions 97 and 98. The upper plate part 95 is substantially horizontal. The lower plate portion 96 has an arcuate cross section perpendicular to the left-right direction so as to be parallel to the upper surface of the bottom 23 of the eaves 2. Insertion holes 950 and 960 penetrating in the vertical direction are formed in the centers of the upper and lower plate portions 95 and 96, respectively.

  The water flow member 5 has a total of two connecting portions 97 and 98. The connecting portion 97 is provided on the front side of the water passing member 5, and the connecting portion 98 is provided on the rear side of the water passing member 5. Each of the connecting portions 97 and 98 is formed in a plate shape that is vertically long and has a thickness direction in the front-rear direction. The front connecting portion 97 connects the front end portions of the upper and lower plate portions 95 and 96 and is located in front of the insertion holes 950 and 960. The rear connection portion 98 connects the rear end portions of the upper and lower plate portions 95 and 96 and is located on the rear side of the insertion holes 950 and 960.

  As shown in FIG. 9, the lower plate portion 96 constituting the lower surface portion of the water passage member 5 is placed on the bottom portion 23 of the eaves bowl 2 with the insertion hole 960 communicating with the drop port 200. The In this mounted state, the lower surface of the lower plate portion 96 is in surface contact with the upper surface of the bottom portion 23 of the eaves 2.

  The two support column portions 44 of the protruding member 4 protruding upward from the drop port 200 are inserted into the upper and lower insertion holes 950 and 960 of the water passage member 5. Accordingly, the horizontal positions of the upper and lower plate portions 95 and 96 are determined by the both support column portions 44, and the horizontal movement of the water passing member 5 is restricted.

  Both struts 44 of the projecting member 4 are fitted into recesses 99 and 100 (see FIG. 10) formed at the hole edges of the upper and lower insertion holes 950 and 960 of the water passage member 5. As a result, the positions of the upper and lower plate portions 95 and 96 in the circumferential direction are determined, and the water passing member 5 is difficult to rotate around the vertical axis with respect to the protruding member 4.

  The screw member 6 fastened to the screw portion 410 of the projecting member 4 presses the upper plate portion 95 of the water passage member 5 downward. As a result, the bottom 23 of the eaves bowl 2 is sandwiched vertically between the lower surface of the lower plate portion 96 of the water passage member 5 and the upper end surface of the drain tube 3, and the drain tube 3, the projecting member 4, and the passage The water member 5 and the screw member 6 are fixed to the eaves 2.

  The filter member 8 is detachably fixed to the water passage member 5. As shown in FIG. 10, the filter member 8 is formed in a net shape (lattice shape), and a large number of rectangular water passage holes 84 configured by a net shape (lattice pattern) are formed over the entire filter member 8. Yes.

  The filter member 8 includes a side surface portion 82 that is separated from the left and right, and an upper surface portion 83 that connects the upper end portions of the side surface portion 82. As shown in FIG. 8, the left and right side portions 82 of the filter member 8 are disposed on both the left and right sides of the water passage member 5. Each side surface portion 82 is formed in a semicircular shape that matches the inner surface of the eaves 2 as viewed from the left-right direction. Each side part 82 of the filter member 8 is placed on the bottom part 23 of the eaves 2. At this time, the arc-shaped lower surface of each side surface portion 82 is in contact with the entire inner surface of the eaves 2 in the circumferential direction, thereby restricting movement of the filter member 8 in the front-rear direction and downward. Further, the side portions 82 of the filter member 8 arranged in this way are arranged over the entire region where rainwater flows in the eaves 2 when viewed from the left and right directions, cover.

  As shown in FIG. 10, a fitting hole 830 penetrating vertically is formed at the center of the upper surface of the filter member 8. The fitting hole 830 is a circular hole in plan view, and its diameter is substantially the same as the outer diameter of the screw member 6.

  The screw member 6 screwed into the protruding member 4 is fitted into the fitting hole 830 of the filter member 8. Thereby, the horizontal movement of the filter member 8 relative to the water passage member 5 is restricted.

  That is, the filter member 8 is mounted on the bottom 23 of the eaves 2 by placing the side portions 82 on both sides and fitted inside the eaves 2, and the screw member 6 is fitted in the fitting hole 830. It fixes with respect to both the gutter 2 and the water flow member 5 attached to this. By fixing the filter member 8 in this manner, the water flow member 5 is disposed in a space surrounded by the filter member 8 and the eaves 2 as shown in FIG.

  Further, the filter member 8 fixed to the eaves bowl 2 and the water passage member 5 as described above is easily removed by lifting the filter member 8 upward and pulling out the side portions 82 on both sides from the eaves bowl 2. be able to.

  As shown in FIG. 8, in a state where the drain 1 is attached to the eave cage 2, rainwater flowing through the eave cage 2 passes through the water passage holes 84 of the side surface portion 82 of the filter member 8. The rainwater passes through the connecting portions 97 and 98 of the water passage member 5 and the lower insertion hole 960 in order, and is discharged from the outlet 200 of the eaves 2 to the drain tube 3. Here, when rainwater flowing through the eaves 2 passes through the water passage hole 84 of the filter member 8, dust such as fallen leaves contained in the rainwater is collected by the net-like side surface portion 82 of the filter member 8.

  In the first to fourth embodiments, the axial direction of the drain tube 3 is inclined with respect to the vertical direction, but may be vertical. Moreover, in 1st-4th embodiment, the downstream pipe connected with the drain cylinder 3 is not restricted to the call 7, but may be a joint such as an elbow, or a rod. Moreover, the water flow member 5 in the first to fourth embodiments may be formed integrally with the screw member 6. In addition, the drain 1 in the first to fourth embodiments can be changed in design without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Drain 2 Eaves 3 Drain tube 4 Projection member 5 Water flow member 6 Screw member 20 Bottom part 23 Bottom part 40 Support | pillar 41 Screw part 200 Drop port 402 Screw groove part

Claims (4)

A drain tube that is disposed below the eaves and communicates with a pit formed at the bottom of the eaves , and
Arranged on the same virtual circle in a plan view, and having a plurality of pillars that protrude upward from the bottom of the eaves through the dropper from the drain tube , in the plurality of pillars from the bottom of the eaves A projecting member in which a screw part is formed at a location located above ;
A water-permeable member placed on the bottom of the eaves and capable of water flow ;
And a threaded member for pressing the bottom of the eaves gutter through the water passage member downward by being screwed into the threaded portion,
The drain tube is
A tubular part;
A vertical plate portion that projects downward from an end portion on the building side of the upper edge portion of the cylindrical portion, and is in surface contact with the wall portion on the building side of the eaves wall;
A drain that includes a lateral plate portion that protrudes from the vertical plate portion toward the outdoor side and that is in surface contact with a lower surface of a portion that is located on the wall portion side with respect to the drop port at the bottom portion of the eaves wall. .   The drain according to claim 1, wherein the water passing member and the screw member are separate bodies.   The drain according to claim 2, wherein the water passage member is formed in a cylindrical shape that can be fitted to the outside of the protruding member. Drain according to claim 3, front Symbol threaded portion and said a female thread made up of a screw groove formed in each post.

Images