A building construction drainage device

Abstract

The application discloses a house building drainage device, relates to the field of house building, and comprises a downpipe and a roof body which are arranged in an inclined mode, and a gutter which is arranged on the roof; the gutter comprises a drainage frame, a first mounting block and a second mounting block which are arranged on the roof, and the drainage frame is rotationally connected with the first mounting block; the drainage frame is slidably connected with a scraper, and the scraper is located at a position of the drainage frame which is close to the first mounting block initially; the drainage frame is provided with a baffle, the drainage frame is provided with a filter element, and the second mounting block is provided with a drainage cavity which is communicated with the filter element and the downpipe; the scraper is provided with a connecting rope, one end of the connecting rope is arranged on the second mounting block, and the drainage frame is provided with a guide element which is used for guiding sliding of the connecting rope; the first mounting block is provided with a driving element which is used for winding or unwinding the connecting rope, and one end of the drainage frame close to the driving element is turned over through the driving element and the connecting rope. The application has the effect of facilitating gutter cleaning.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of house building, in particular to a house building drainage device. BACKGROUND

[0002] In the process of house building, a gutter is usually arranged on the roof to drain the rainwater on the roof.

[0003] REFERENCE Figure 1 A roof drainage structure in the prior art comprises a roof 101 arranged on a house body 1, a gutter 2 arranged on the roof 101, and a downpipe 3 communicated with the gutter 2. In addition, a filter screen is arranged at the connection between the gutter 2 and the downpipe 3 to filter the rainwater. When it rains, the rainwater on the roof is collected in the gutter 2 and then drained by the downpipe 3.

[0004] After the gutter 2 is used for a long time, the gutter 2 is often filled with garbage such as residues of fireworks and crackers, insect exoskeletons, sand, and fallen leaves, which can affect the drainage of rainwater and need to be cleaned. When cleaning, the gutter 2 is located at a high position relative to the height of a person, so a ladder is needed to perform the cleaning work at a high position, and the position of the ladder needs to be repeatedly moved and adjusted to clean the entire gutter 2. This cleaning method is troublesome and inconvenient for cleaning the gutter 2. SUMMARY

[0005] In order to facilitate the cleaning of the gutter, the present application provides a house building drainage device.

[0006] The present application provides a house building drainage device, which adopts the following technical scheme:

[0007] The house building drainage device comprises a roof arranged at an inclination on a house body, a gutter arranged on the roof, and a downpipe arranged on the house body, wherein the downpipe is communicated with the gutter. The gutter comprises a drainage frame with an open top, a first mounting block and a second mounting block arranged on the roof, the drainage frame is located between the first mounting block and the second mounting block, and the drainage frame is rotationally connected with the first mounting block.

[0008] The drainage frame is slidably connected with a scraper abutting against an inner cavity of the drainage frame, the sliding direction of the scraper is arranged along the length direction of the drainage frame, and initially, the length direction of the drainage frame is arranged horizontally, and the scraper is located at a position close to the first mounting block of the drainage frame.

[0009] One end of the drainage frame close to the first mounting block is provided with a baffle, one end of the drainage frame away from the first mounting block is provided with a filter element, and the second mounting block is provided with a drainage cavity communicated with the filter element and the downpipe.

[0010] The scraper is provided with a connecting rope, one end of the connecting rope is arranged on the second mounting block away from the first mounting block, and the drainage frame is provided with a guide for guiding the sliding of the connecting rope; the first mounting block is provided with a driving element for winding or unwinding the connecting rope, and one end of the drainage frame close to the driving element is turned over through the driving element and the connecting rope.

[0011] By adopting the above technical scheme, during cleaning, the connecting rope is unwound by the driving element, the drainage frame is turned over under the action of its own gravity, and the drainage frame is controlled by the connecting rope; at the same time, the connecting rope drives the scraper to move away from the first mounting block, so that the scraper can scrape off the garbage adhered to the inner cavity of the drainage frame, and the garbage in the drainage frame is scraped to the baffle away from the first mounting block, so as to facilitate manual cleaning, thereby having the effect of facilitating the cleaning of the gutter.

[0012] Optionally, the drainage frame is provided with a sliding groove, the length direction of the sliding groove is arranged along the length direction parallel to the drainage frame, the scraper is rotatably connected with a sliding ball, and the sliding ball is slidably connected in the sliding groove; the scraper is provided with a sharp end abutting against the inner cavity of the drainage frame.

[0013] By adopting the above technical scheme, during cleaning, the sliding ball drives the scraper to move, and the sharp end of the scraper abuts against the inner cavity of the drainage frame, so as to drive the scraper to slide, thereby scraping off the garbage in the inner cavity of the drainage frame.

[0014] Optionally, the guide is a roller rotatably connected to both ends of the drainage frame, a spacing for the connecting rope to pass through is left between the roller and the drainage frame, and the connecting rope is slidably connected to the roller.

[0015] By adopting the above technical scheme, during cleaning, the connecting rope is slidably connected to the roller, so as to wind or unwind the connecting rope, thereby controlling the turning over of the drainage frame.

[0016] Optionally, the roof is provided with a filter partition plate for plugging the inner cavity of the drainage frame, the filter partition plate is a plurality of and is arranged at intervals along the length direction of the drainage frame; initially, the scraper is located between the first mounting block and the filter partition plate close to the first mounting block; during cleaning, the drainage frame can be turned over to completely separate the filter partition plate from the drainage frame.

[0017] By adopting the above technical scheme, during use, the filter partition plate can block the garbage in the drainage frame from moving with the water flow to the baffle close to the second mounting block, so as to reduce the garbage in the drainage frame from blocking the drainage cavity, thereby facilitating drainage.

[0018] Optionally, the filter element is a collection filter cartridge arranged at a position away from the baffle of the drainage frame, the opening of the collection filter cartridge is arranged towards the scraper, and a fixing element for locking the collection filter cartridge is arranged between the collection filter cartridge and the drainage frame.

[0019] By adopting the technical scheme, the garbage scraped by the scraper is collected by the collection filter drum during cleaning, so that the garbage in the drainage frame can be conveniently collected and treated.

[0020] Optionally, the fixing member comprises magnets arranged on the collection filter drum and the drainage frame respectively, the two magnets are opposite in magnetism, and the two magnets abut against each other.

[0021] By adopting the technical scheme, the collection filter drum is detachably connected to the drainage frame by the two magnets, so that the collection filter drum can be conveniently cleaned.

[0022] Optionally, the drainage frame is provided with a mounting block, a floor drain for communicating with the drainage cavity is detachably connected to the mounting block, the downpipe comprises a vertical pipe rotatably connected to the roof body and a communicating pipe obliquely arranged on the vertical pipe, and the floor drain is located between the communicating pipe and the second mounting block; initially, the top end opening of the communicating pipe is completely covered at the connection between the drainage frame and the second mounting block; the locking member for fixing the vertical pipe is arranged between the vertical pipe and the roof body, and during cleaning, the vertical pipe can be rotated to a state in which the communicating pipe and the gutter are vertically dislocated, and the communicating pipe and the floor drain are separated.

[0023] By adopting the technical scheme, the floor drain is arranged between the second mounting block and the communicating pipe, so as to further filter the garbage in the rainwater, thereby reducing the garbage entering the downpipe.

[0024] Optionally, the locking member comprises a connecting block arranged on the roof body, an arc-shaped plate for mounting the vertical pipe, and a fixing bolt threadedly connected to the arc-shaped plate; the connecting block is provided in a plurality of and is arranged on the roof in a vertical direction at intervals, the arc-shaped plate is arranged on the connecting block, and the fixing bolt abuts against the vertical pipe.

[0025] By adopting the technical scheme, during installation, the fixing bolt can be loosened to release the locking of the vertical pipe, or the fixing bolt can be tightened to lock the vertical pipe, so as to conveniently control the rotation of the vertical pipe.

[0026] In summary, the present application has at least one of the following beneficial effects:

[0027] 1. During cleaning, the driving member unwinds the connecting rope to control the connection frame to be flipped downward until one end of the connection frame is located close to the ground, and the connecting rope drives the scraper to slide to discharge the garbage in the drainage frame into the collection filter drum, so as to conveniently clean the gutter.

[0028] 2. When the drainage frame is in a drainage state, the garbage in the drainage frame can be intercepted by the filter baffle and accumulated on the baffle located away from the first mounting block, so as to reduce the garbage in the drainage frame from blocking the drainage cavity and affecting the drainage effect. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1is a structural schematic view of a roof drainage structure in the related art;

[0030] Figure 2 is a structural schematic view of the embodiment of the present application;

[0031] Figure 3 is Figure 2 is an enlarged schematic view of A in FIG. 1;

[0032] Figure 4 is a structural schematic view of the embodiment of the present application highlighting the positions of the motor and the first mounting block;

[0033] Figure 5 is Figure 4 is an enlarged schematic view of B in FIG. 1;

[0034] Figure 6 is a sectional schematic view of the embodiment of the present application;

[0035] Figure 7 is Figure 6 is an enlarged schematic view of C in FIG. 1.

[0036] BRIEF DESCRIPTION OF DRAWINGS 1, roof body; 101, roof; 2, gutter; 21, first mounting block; 211, accommodation slot; 22, second mounting block; 221, accommodation slot; 23, drainage frame; 3, downpipe; 31, vertical pipe; 32, communication pipe; 4, baffle; 41, rotating block; 5, filter; 51, collection filter cartridge; 6, fixing member; 61, magnet; 7, drainage cavity; 8, scraper; 81, sliding groove; 811, connecting rod; 812, sliding bead; 82, connecting rope; 9, roller; 91, mounting block; 10, driving member; 100, fixing plate; 11, mounting plate; 111, floor drain; 12, locking member; 121, connecting block; 122, arc-shaped plate; 123, fixing bolt; 13, filter partition; 131, fixing rod. DETAILED DESCRIPTION

[0037] The present application will be further described in detail below with reference to the accompanying drawings.

[0038] The housing construction drainage device disclosed by the embodiment of the present application, with reference to Figure 2 The housing construction drainage device comprises a roof 101 obliquely arranged on a roof body 1, a gutter 2 mounted at the edge of the roof 101, and a downpipe 3 mounted on the roof body 1. The inner cavity of the gutter 2 and the inner cavity of the downpipe 3 are communicated, so as to facilitate the drainage of rainwater on the roof through the gutter 2 and the downpipe 3.

[0039] With reference to Figure 2 and Figure 3, the gutter 2 comprises a first mounting block 21 and a second mounting block 22 fixed at the edge of the roof 101, and a drainage frame 23 rotatably connected in the first mounting block 21. Wherein, the top of the drainage frame 23 is provided in an open shape, the cross section of the drainage frame 23 is generally a semicircular structure, and the drainage frame 23 is located between the first mounting block 21 and the second mounting block 22.

[0040] With reference to Figure 4 and Figure 5 , the drainage frame 23 is provided with a baffle 4 at one end close to the first mounting block 21, and is provided with a filter 5 at the other end away from the first mounting block 21, for filtering garbage in the rainwater. The filter 5 is a collection filter cartridge 51 detachably connected to the inner cavity of the drainage frame 23, and the open end of the collection filter cartridge 51 is arranged towards the scraper 8, so as to facilitate the collection of garbage in the drainage frame 23.

[0041] With reference to Figure 6 and Figure 7 , a fixing member 6 is arranged between the collection filter cartridge 51 and the drainage frame 23, for detachably connecting the collection filter cartridge 51 to the inner cavity of the drainage frame 23. The fixing member 6 comprises a magnet 61 embedded in the outer wall of the collection filter cartridge 51 and the inner cavity of the drainage frame 23 respectively, the two magnets 61 abut against each other, and the magnetism of the two magnets 61 is opposite.

[0042] With reference to Figure 6 and Figure 7 , in addition, the second mounting block 22 is provided with a drainage cavity 7; the drainage cavity 7 communicates with the inner cavity of the downpipe 3, so as to facilitate the rainwater of the roof 101 to be discharged into the drainage hole and then into the drainage cavity 7, and then discharged through the downpipe 3.

[0043] With reference to Figure 2 and Figure 3 , the inner cavity of the drainage frame 23 is slidably connected with a scraper 8, for scraping garbage in the drainage frame 23. The scraper 8 is in a semicircular structure, and the outer convex side of the scraper 8 is provided with a sharp end. When the drainage frame 23 is used for drainage, the length direction of the drainage frame 23 is arranged in a horizontal state, the scraper 8 is located at the position of the drainage frame 23 close to the first mounting block 21, the side wall of the scraper 8 abuts against the side wall of the baffle 4 close to the first mounting block 21; and the sharp end abuts against the inner cavity of the drainage frame 23, reducing the contact area of the scraper 8 and the drainage frame 23.

[0044] With reference to Figure 2 and Figure 3The top of the drainage frame 23 is provided with a chute 81 in the length direction of the drainage frame 23, and the cross section of the chute 81 is trapezoidal. The two sides of the scraper 8 are respectively fixed with an L-shaped connecting rod 811, the end of the connecting rod 811 away from the scraper 8 is provided with a trapezoidal structure matched with the chute 81, and the end of the connecting rod 811 away from the scraper 8 is slidably connected to the chute 81. The end of the connecting rod 811 away from the scraper 8 is rotatably connected with a sliding ball 812, and the sliding ball 812 is slidably connected in the chute 81. During cleaning, the sliding ball 812 moves in the chute 81 to drive the scraper 8 to move.

[0045] Referring to Figure 2 and Figure 3 , the scraper 8 is fixed with a connecting rope 82 for driving the scraper 8 to slide. The connecting rope 82 has two ends, and is located at the two long side positions of the drainage frame 23. The two ends of the connecting rope 82 are respectively provided outside the side wall of the scraper 8, and the end of the connecting rope 82 away from the first mounting block 21 is fixed to the second mounting block 22.

[0046] Referring to Figure 2 and Figure 3 , the top of the drainage frame 23 is provided with a roller 9 at both ends of the drainage frame 23, which is used for guiding the installation of the connecting rope 82 and is used for the sliding connection of the connecting rope 82. The roller 9 has four, two of which are arranged on the same long side of the drainage frame 23. The drainage frame 23 is provided with a mounting block 91 on both sides of the roller 9, and the roller 9 and the mounting block 91 are hingedly connected to realize rotation. When the roller 9 is installed on the mounting block 91, a space is left between the roller 9 and the baffle 4, and the connecting rope 82 passes through the space to facilitate installation. In the embodiment of the application, the connecting rope 82 is made of steel wire rope material.

[0047] Referring to Figure 4 and Figure 5 , the first mounting block 21 is provided with a driving member 10 for winding or unwinding the connecting rope 82. The driving member 10 is a motor mounted on the top of the first mounting block 21, and the top of the first mounting block 21 is fixed with a fixed plate 100 for mounting the motor. The output shaft of the motor penetrates out of the side of the drainage frame 23 away from the roof 101, and the axial direction of the output shaft of the motor is perpendicular to the length direction of the drainage frame 23.

[0048] Referring to Figure 4 and Figure 5 , the top of the first mounting block 21 is provided with a clearance slot 211 for rotatably connecting the drainage frame 23. The side of the baffle 4 away from the drainage frame 23 is fixed with a rotating block 41 connected to the output shaft of the motor, the output shaft of the motor penetrates through the connecting block 121, and the rotating block 41 is fixed to the output shaft of the motor. Initially, the drainage frame 23 is located between the two connecting ropes 82, and the output shaft of the motor has enough excess connecting rope 82 for the drainage frame 23 to be turned down.

[0049] Referring toFigure 6 and Figure 7 In addition, the second mounting block 22 is provided with a retreat groove 221 near one side of the scraper 8, for inserting and mounting the drainage frame 23.

[0050] Referring to Figure 5 and Figure 6 When it is necessary to clean the drainage frame 23, the motor is started, the connecting rope 82 is unwound, the connecting rope drives the scraper 8 to slide towards the collecting filter cylinder 51, so as to scrape the garbage in the drainage frame 23 into the collecting filter cylinder 51; at the same time, the end of the drainage frame 23 near the first mounting block 21 is turned downward under the action of its own gravity and the guidance of the connecting rope 82, with the output shaft of the motor as the rotating center, until the position of the collecting filter cylinder 51 is relative to the ground in a position convenient for cleaning, and then the collecting filter cylinder 51 can be disassembled for cleaning the gutter 2.

[0051] Referring to Figure 6 and Figure 7 In addition, the end of the drainage frame 23 away from the first mounting block 21 is provided with a floor drain 111 for filtering rainwater entering the downpipe 3 from the drainage cavity 7. The bottom of the drainage frame 23 is fixed with a mounting plate 11 at a position away from the first mounting block 21, for mounting the floor drain 111; the floor drain 111 is detachably connected to the mounting plate 11 through bolts.

[0052] Referring to Figure 6 and Figure 7 The downpipe 3 comprises a vertical pipe 31 rotatably connected to the roof 1 and a communication pipe 32 obliquely communicated with the top of the vertical pipe 31. The axial direction of the vertical pipe 31 is vertically arranged, and the second mounting block 22 and the vertical pipe 31 are not in the same vertical direction. A locking member 12 is arranged between the vertical pipe 31 and the roof 1 to control the rotation of the vertical pipe 31. The locking member 12 comprises a connecting block 121 fixed to the roof 1, an arc-shaped plate 122 for mounting the vertical pipe 31, and a fixing bolt 123 threadedly connected to the arc-shaped plate 122. The connecting block 121 is in an L-shaped structure, and a plurality of connecting blocks 121 are arranged on the roof 1 at equal intervals in the vertical direction and are fixed to the roof 1 by bolts. The number of arc-shaped plates 122 is the same as that of the connecting blocks 121, the inner concave surface of the arc-shaped plate 122 faces the connecting block 121, and the two ends of the arc-shaped plate 122 are detachably connected to the connecting block 121 by bolts. There is only one fixing bolt 123, and the fixing bolt 123 is located at the outer convex surface of the arc-shaped plate 122 in the lowermost position. When the vertical pipe 31 is mounted, the outer wall of the vertical pipe 31 abuts against the inner concave surface of the arc-shaped plate 122, the outer wall of the vertical pipe 31 and the side wall of the connecting block 121 are arranged in a tangential state, and one end of the fixing bolt 123 abuts against the outer wall of the vertical pipe 31.

[0053] Referring to Figure 6 and Figure 7, the bottom of the communication pipe 32 is welded to the top of the vertical pipe 31, and the top of the communication pipe 32 abuts against the mounting plate 11 and the second mounting block 22. The top opening of the communication pipe 32 can completely cover the connection between the mounting plate 11 and the second mounting block 22, and when rainwater seeps from the connection between the mounting plate 11 and the second mounting block 22, the communication pipe 32 can be used to collect and discharge the rainwater.

[0054] Referring to Figure 6 and Figure 7 When it is necessary to clean the drainage frame 23, the fixing bolt 123 is loosened to unlock the vertical pipe 31. Then the vertical pipe 31 is rotated so that the communication pipe 32 and the second mounting block 22 and the mounting plate 11 are completely misaligned with each other, at which time the communication pipe 32 is completely separated from the floor drain 111 and the mounting plate 11 and the second mounting block 22.

[0055] Referring to Figure 5 and Figure 6 In addition, in order to improve the situation that the drainage cavity 7 is blocked and the drainage is not smooth, the roof 101 is provided with a filter partition plate 13 above the drainage frame 23, which is used to block the garbage in the drainage frame 23 from being all collected in the collection filter cylinder. The roof 101 is provided with an L-shaped fixing rod 131 near the edge of the drainage frame 23, one end of the fixing rod 131 is fixed to the edge of the roof 101, and the other end of the fixing rod 131 is fixed to the top of the filter partition plate 13.

[0056] Referring to Figure 5 and Figure 6 The fixing rod 131 has a plurality of filter partition plates 13, and the number of the filter partition plates 13 is the same as that of the fixing rod 131. During installation, the filter partition plate 13 is inserted into the inner cavity of the drainage frame 23, and a plurality of filter partition plates 13 are arranged at equal intervals along the length direction of the drainage frame 23. In the initial state, that is, when the drainage frame 23 is used for discharging rainwater, the scraper 8 is located between the first mounting block 21 and the filter partition plate 13 close to the first mounting block 21, and the filter partition plate 13 is located between the two connecting ropes 82. During cleaning, the motor controls the unwinding of the connecting rope 82 to make the drainage frame 23 overturn downward until the filter partition plate 13 and the drainage frame 23 are completely separated. After the filter partition plate 13 and the drainage frame 23 are completely separated, the scraper 8 is driven by the connecting rope 82 to slide to the position of the filter partition plate 13 originally close to the first mounting block 21.

[0057] The implementation principle of the housing building drainage device in the embodiment is as follows: during cleaning, the motor is started to control the unwinding of the connecting rope 82 to control the connecting frame to overturn downward until one end of the connecting frame is located close to the ground; at the same time, the connecting rope 82 drives the scraper 8 to slide to discharge the garbage in the drainage frame 23 into the collection filter cylinder 51, so as to clean the gutter 2.

[0058] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A building construction drainage device, comprising a roof (101) arranged obliquely on a house body (1), a gutter (2) arranged on the roof (101), and a downpipe (3) arranged on the house body (1), wherein the downpipe (3) and the gutter (2) are communicated; characterized in that: The gutter (2) comprises an open-top drainage frame (23), a first mounting block (21) and a second mounting block (22) arranged on the roof (101), the drainage frame (23) is located between the first mounting block (21) and the second mounting block (22), and the drainage frame (23) is rotationally connected with the first mounting block (21); The drainage frame (23) is slidably connected with a scraper (8) abutting the inner cavity of the drainage frame (23), the sliding direction of the scraper (8) is arranged along the length direction of the drainage frame (23), and initially, the length direction of the drainage frame (23) is horizontally arranged, and the scraper (8) is located at the position of the drainage frame (23) close to the first mounting block (21); The drainage frame (23) is provided with a baffle (4) at one end close to the first mounting block (21), and is provided with a filter element (5) at one end away from the first mounting block (21), and the second mounting block (22) is provided with a drainage cavity (7) communicated with the filter element (5) and the downpipe (3); The scraper (8) is provided with a connecting rope (82), one end of the connecting rope (82) away from the first mounting block (21) is arranged on the second mounting block (22), and the drainage frame (23) is provided with a guide element for guiding the sliding of the connecting rope (82); the first mounting block (21) is provided with a driving element (10) for winding or unwinding the connecting rope (82), and one end of the drainage frame (23) close to the driving element (10) is turned over through the driving element (10) and the connecting rope (82); The drainage frame (23) is provided with a sliding groove (81), the length direction of the sliding groove (81) is arranged along the length direction of the drainage frame (23), the scraper (8) is rotationally connected with a sliding ball (812), and the sliding ball (812) is slidably connected in the sliding groove (81); the scraper (8) is provided with a sharp end abutting the inner cavity of the drainage frame (23); The guide element is a roller (9) rotationally connected at both ends of the drainage frame (23), a space is left between the roller (9) and the drainage frame (23) for the connecting rope (82) to pass through, and the connecting rope (82) is slidably connected with the roller (9).

2. The building construction drainage device according to claim 1, characterized in that: The roof (101) is provided with a filter partition plate (13) for plugging the inner cavity of the drainage frame (23), the filter partition plate (13) is provided in plurality and is arranged at intervals along the length direction of the drainage frame (23); initially, the scraper (8) is located between the first mounting block (21) and the filter partition plate (13) close to the first mounting block (21); during cleaning, the drainage frame (23) can be turned over to completely separate the filter partition plate (13) from the drainage frame (23).

3. A building construction drainage device according to claim 2, characterized in that: The filter element (5) is a collection filter cartridge (51) arranged at a position away from the baffle (4) of the drainage frame (23), the opening of the collection filter cartridge (51) is arranged towards the scraper (8), and a fixing element (6) is arranged between the collection filter cartridge (51) and the drainage frame (23) for locking the collection filter cartridge (51).

4. The building construction drainage device according to claim 3, characterized in that: The fixing member (6) comprises magnets (61) arranged on the collecting filter cylinder (51) and the drainage frame (23) respectively, the two magnets (61) are opposite in magnetism, and the two magnets (61) abut against each other.

5. The building construction drainage device according to claim 1, characterized in that: The drainage frame (23) is provided with a floor drain (111) at one end away from the first mounting block (21), which is used for filtering rainwater entering the downpipe (3) from the drainage cavity (7); the downpipe (3) comprises a vertical pipe (31) rotatably connected to the roof (1) and a communication pipe (32) obliquely arranged on the vertical pipe (31), and the floor drain (111) is located between the communication pipe (32) and the second mounting block (22); initially, the top end opening of the communication pipe (32) is completely wrapped around the connection between the drainage frame (23) and the second mounting block (22); a locking member (12) for fixing the vertical pipe (31) is arranged between the vertical pipe (31) and the roof (1); when cleaning, the vertical pipe (31) can be rotated to a state where the communication pipe (32) and the gutter (2) are vertically dislocated, and the communication pipe (32) and the floor drain (111) are separated.

6. A building construction drainage device according to claim 5, characterized in that: The locking member (12) comprises a connecting block (121) arranged on the roof (1), an arc-shaped plate (122) for mounting the vertical pipe (31), and a fixing bolt (123) threadedly connected to the arc-shaped plate (122); the connecting block (121) is provided in a plurality of and is arranged on the roof (1) in a vertical direction, the arc-shaped plate (122) is arranged on the connecting block (121), and the fixing bolt (123) abuts against the vertical pipe (31).

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