CN218322989U

CN218322989U - Drainage riser part and drainage structures of subside formula bathroom

Info

Publication number: CN218322989U
Application number: CN202222041801.5U
Authority: CN
Inventors: 陈国新; 蒋艳军; 徐向前
Original assignee: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY CO LTD; Shanghai Oriental Rainbow Waterproof Engineering Co ltd
Current assignee: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY CO LTD; Shanghai Oriental Rainbow Waterproof Engineering Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-01-17
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a drainage riser part and subside drainage structures in formula bathroom relates to drainage technical field, include: the upper end and the lower end of the vertical pipe form a first connecting end and a second connecting end respectively; the axis of the transverse pipe is perpendicular to the vertical pipe, one end of the transverse pipe is communicated with the vertical pipe, and the other end of the transverse pipe forms a third connecting end; the secondary floor drain assembly is arranged below the transverse pipe and comprises a funnel part integrally formed on the periphery of the vertical pipe, a through hole is formed in the pipe wall of the vertical pipe positioned on the inner side of the funnel part, a cover plate is arranged on the upper side of the funnel part and sleeved on the outer side of the vertical pipe, and a plurality of drain holes are formed in the cover plate; this drainage riser part formula part as an organic whole part has secondary floor drain subassembly, solves between traditional subsides formula bathroom filling layer and the floor because the ageing and the damaged ponding problem that produces of upper portion waterproof layer of the horizontal pipe connection of drain pipe.

Description

Drainage riser part and drainage structures of subside formula bathroom

Technical Field

The utility model belongs to the technical field of the drainage, more specifically relates to a drainage riser part and subside drainage structures in formula bathroom.

Background

The toilet is a functional room commonly existing in residential buildings, commercial buildings, offices and public buildings, and has various drainage modes, wherein the residential buildings mainly adopt two modes of same-layer drainage and non-same-layer drainage, and the settling type (also called as a sinking type or a caisson type) toilet is specially designed for same-layer drainage and floor heating, and the waterproof measure is indispensable. The sinking toilet is characterized in that when a main body is constructed, a structural layer of the toilet is partially or wholly sunk to a certain height (generally 30-45 cm) away from a corresponding floor, so that a horizontal drainage pipeline of the toilet is embedded in the structural layer, then the structural layer is backfilled with a light material (ceramsite or foamed cement slurry), and only one hole is required to be arranged on the structural layer to serve as a drainage vertical pipe for use. A general subsidence type toilet can be tightly attached to a floor slab to serve as a first waterproof layer, after a calandria is backfilled, a second waterproof layer can be served before facing bricks are laid, a vertical drainage pipe is arranged in a pipeline well in a reliable manner through a corner, a concrete water retaining bank can be built between the pipeline well and the structural floor slab, and the vertical pipe extends out of a transverse pipe to penetrate through the water retaining bank to expose a part of the vertical pipe so as to be conveniently lapped with a drainage pipe at the same layer in the later period.

However, in the use process in the future, the interface of the transverse drain pipe in the filling layer is easy to age along with the time, the first waterproof layer on the upper part is locally damaged due to irresistible factors, the water used on the upper part and the water of the drain pipe in the filling layer can leak and enter between the filling layer and the floor slab, the structural slab at the bottom of the caisson is not provided with a drainage floor drain any more, accumulated water is formed, the caisson really becomes a water tank, or some floor drains are provided with a secondary floor drain, but the floor slab needs to be perforated again, in addition, the drain pipe is connected with the vertical pipe, the drain pipe often needs to be perforated by the floor slab and is provided with a transverse elbow, the construction difficulty is high, the meaning of drainage on the same floor is lost, and the excavation structure and leakage risk are increased for the floor slab.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough that exists among the prior art, a drainage riser part and subside drainage structures of formula bathroom are provided, this drainage riser part formula part as an organic whole part, through first link, the second link can with the vertical drain pipe connection in the pipe-line well, through the third link can with be in the horizontal drain pipe connection of bathroom below, have secondary floor drain subassembly, solve between traditional subsides formula bathroom filling layer and the floor because the ageing ponding problem that reaches the damaged two productions of upper portion waterproof layer of the horizontal pipe connection mouth of drain pipe.

In order to accomplish the above object, the present invention provides a drainage riser part, comprising:

the upper end and the lower end of the vertical pipe form a first connecting end and a second connecting end respectively;

the axis of the transverse pipe is perpendicular to the vertical pipe, one end of the transverse pipe is communicated with the vertical pipe, and the other end of the transverse pipe forms a third connecting end;

the secondary floor drain assembly is arranged below the transverse pipe and comprises a funnel part integrally formed on the periphery of the vertical pipe, a through hole is formed in the pipe wall of the vertical pipe on the inner side of the funnel part, a cover plate is arranged on the upper side of the funnel part and sleeved on the outer side of the vertical pipe, and a plurality of drain holes are formed in the cover plate.

Optionally, the horizontal tube and the vertical tube are integrally formed to form a three-way tube structure.

Optionally, a plugging sheet capable of covering the through hole is arranged on the inner wall of the vertical pipe, the upper part of the plugging sheet is connected with the inner wall of the vertical pipe, and the lower part of the plugging sheet is movably arranged in the vertical pipe.

Optionally, the funnel part is funnel-shaped, the lower end of the funnel part is connected with the periphery of the vertical pipe in an integrated forming manner, an annular bearing part is arranged on the periphery of the upper end of the funnel part, and an annular flanging part protruding upwards is arranged on the periphery of the bearing part.

Optionally, the cover plate includes a flat plate portion and a connecting portion, the connecting portion is in a stepped cylindrical shape, a lower end of the connecting portion can be connected to the support portion, a gap is formed between an outer periphery of the lower end of the connecting portion and an inner periphery of the flanged portion, and a lower side edge of the flat plate portion is connected to the stepped portion of the connecting portion.

The utility model also provides a drainage structures of subside formula bathroom, this structure includes:

the above-described drainage riser part;

the structure floor slab is provided with a post-cast floor slab at a position corresponding to a pipeline well of a toilet, the secondary floor drain assembly of the drainage vertical pipe component is embedded in the post-cast floor slab, the upper surface of the cover plate is exposed out of the upper surface of the post-cast floor slab, and the vertical pipe is vertically arranged in the pipeline well;

the first connecting end and the second connecting end are respectively connected with a vertical water drainage pipe in the pipeline well.

Optionally, a drainage slope is arranged on the upper surface of the post-cast floor slab, and one end of the drainage slope close to the secondary floor drain assembly is lower than one end of the drainage slope far away from the secondary floor drain assembly.

Optionally, the floor drain further comprises a waterproof layer, wherein the waterproof layer comprises a first large-surface waterproof layer and a first additional waterproof layer, the first large-surface waterproof layer covers the upper sides of the structural floor slab and the post-cast floor slab, the first large-surface waterproof layer is connected with the periphery of the cover plate, and the first additional waterproof layer is arranged on the periphery of the secondary floor drain assembly and located on the lower side of the first large-surface waterproof layer.

Optionally, a filter layer is arranged above the post-cast floor slab on the upper side of the waterproof layer, and the transverse pipe is arranged on the upper side of the filter layer and connected with the transverse drain pipe through the third connecting end.

Optionally, the horizontal pipe and the horizontal drain pipe are arranged on the upper side of the structural floor slab, and the upper surface of the horizontal pipe form a plane.

The utility model provides a drainage riser part and subside drainage structures in formula bathroom, its beneficial effect lies in: this drainage riser part formula part as an organic whole part, through first link, the vertical drain pipe connection in the second link can with the pipe shaft, can with be in the horizontal drain pipe connection of bathroom below through the third link, have secondary floor drain subassembly, can carry out the secondary drainage through its through-hole, solve between traditional subside formula bathroom filling layer and the floor because the ageing and the damaged ponding problem of two productions of upper portion waterproof layer of the horizontal pipe connection of drain pipe to the construction is simple and convenient.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural view of a drainage riser part according to an embodiment of the invention.

Fig. 2 shows a partial schematic of a drainage riser section according to an embodiment of the invention.

Fig. 3 shows a side view of the schematic of fig. 2.

Fig. 4 shows a schematic cross-sectional structure of a drainage riser part according to an embodiment of the invention.

Fig. 5 shows a schematic view of a drainage structure of a sedimentation type toilet according to an embodiment of the present invention.

Description of reference numerals:

1. a structural floor slab; 2. a first large-surface waterproof layer; 3. a first additional waterproof layer; 4. a sealing material; 5. a through hole; 6. a plugging sheet; 7. a secondary floor drain assembly; 8. a filter layer; 9. a second additional waterproof layer; 10. a vertical water drainage pipe; 11. a drain pipe connector; 12. a transverse drain pipe; 13. a filling layer; 14. a concrete protective layer; 15. a second large-surface waterproof layer; 16. a surface layer; 17. a pipeline well wall; 18. post-pouring a floor slab; 19. sealing the welding part; 20. a vertical tube; 21. a transverse tube; 22. a funnel part; 23. a bearing part; 24. flanging part; 25. a flat plate portion; 26. a connecting portion.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 1 to 4, the present invention provides a drainage riser part, which comprises:

the vertical pipe 20, the upper and lower ends of the vertical pipe 20 form a first connecting end and a second connecting end respectively;

the axis of the transverse pipe 21 is perpendicular to the vertical pipe 20, one end of the transverse pipe 21 is communicated with the vertical pipe 20, and the other end of the transverse pipe 21 forms a third connecting end;

the secondary floor drain assembly 7 is arranged below the transverse pipe 21, the secondary floor drain assembly 7 comprises a funnel part 22 which is integrally formed on the periphery of the vertical pipe 20, a through hole 5 is formed in the pipe wall of the vertical pipe 20 which is located on the inner side of the funnel part 22, a cover plate is arranged on the upper side of the funnel part 22, the outer side of the vertical pipe 20 is sleeved with the cover plate, and a plurality of drain holes are formed in the cover plate.

Concretely, this drainage riser part formula part as an organic whole part, through first link, the second link can be connected with vertical drain pipe 10 in the pipe-line well, can be connected with the horizontal drain pipe 12 that is in the bathroom below through the third link, have secondary floor drain subassembly 7, can carry out the secondary drainage through its through-hole 5, solve between traditional subside formula bathroom filling layer 13 and the floor because the ageing and the damaged ponding problem of two productions of upper portion waterproof layer of the horizontal pipe 21 interface of drain pipe, and the construction is simple and convenient.

Alternatively, the cross tube 21 is integrally formed with the standpipe 20 to form a three-way tube structure.

Specifically, the horizontal tube 21 and the funnel part 22 of the secondary floor drain assembly 7 are integrally formed on the vertical tube 20, and the cover plate is sleeved on the outer side of the vertical tube 20, so that the vertical drainage tube part forms an integrated structure.

Optionally, the inner wall of the standpipe 20 is provided with a plugging sheet 6 capable of covering the through hole 5, the upper part of the plugging sheet 6 is connected with the inner wall of the standpipe 20, and the lower part of the plugging sheet 6 is movably arranged in the standpipe 20.

Specifically, the side wall of the vertical pipe 20 is provided with 2 circular through holes 5 with the diameter of 20mm to ensure that accumulated water in the filling layer 13 is effectively discharged through the secondary floor drain assembly 7, and meanwhile, the inner wall of the vertical pipe 20 is provided with a plugging sheet 6 which can be a flexible rubber sheet 30mm above the through holes 5; flexible sheet rubber upper portion is through sealed welding portion 19 and standpipe inner wall fixed connection, and the lower part covers through-hole 5 to the lower extreme needs to exceed through-hole 5 lower extreme 30mm, and flexible sheet rubber specification can be 80mm 60mm, and if there is water to get into in the funnel portion 22 time-spent, flexible sheet rubber opens, guarantees that the drainage is unobstructed, if anhydrous entering, then the sheet rubber is closed, guarantees that the peculiar smell can not scurry in the standpipe 20, reaches drainage and deodorant function.

Optionally, the funnel part 22 is funnel-shaped, the lower end of the funnel part 22 is integrally connected with the periphery of the vertical pipe 20, an annular supporting part 23 is arranged on the periphery of the upper end of the funnel part 22, and an annular flanging part 24 which protrudes upwards is arranged on the periphery of the supporting part 23.

Specifically, the supporting portion 23 is used for supporting the cover plate, and the flanging portion 24 enables the periphery of the cover plate and the flanging portion 24 to form embedded connection, so that the waterproof effect of the position can be improved when the waterproof layer is constructed.

Alternatively, the cover plate includes a flat plate portion 25 and a connecting portion 26, the connecting portion 26 is in a stepped cylindrical shape, a lower end of the connecting portion 26 can be connected to the receiving portion 23, a gap is formed between an outer periphery of the lower end of the connecting portion 26 and an inner periphery of the flanged portion 24, and a lower side edge of the flat plate portion 25 is connected to the stepped portion of the connecting portion 26.

Specifically, the connecting portion 26 may be integrally formed with the flat plate portion 25, or may be separately disposed, the lower end of the connecting portion 26 is inserted into the flange portion 24 and contacts with the supporting portion 23, the step portion is disposed so that a labyrinth connecting structure is formed at a connecting portion between the connecting portion 26 and the upper end of the funnel portion 22, and when a waterproof layer is subsequently constructed, an edge of the waterproof layer close to the secondary floor drain assembly 7 may enter the gap and be hermetically connected to the outer periphery of the lower end of the connecting portion 26 through the sealing material 4.

Optionally, the cover plate is a grille cover plate.

As shown in fig. 5, the utility model also provides a drainage structures of subsidence formula bathroom, this structure includes:

the above-described drainage riser part;

a post-cast floor slab 18 is arranged at a position of the structural floor slab 1 corresponding to a pipe well of a toilet, a secondary floor drain assembly 7 of a drainage vertical pipe component is embedded in the post-cast floor slab 18, the upper surface of a cover plate is exposed out of the upper surface of the post-cast floor slab 18, and a vertical pipe 20 is vertically arranged in the pipe well;

the first connecting end and the second connecting end are respectively connected with a vertical water drainage pipe 10 in the pipe shaft.

Specifically, the vertical drain pipe 10 is connected with the first connecting end and the second connecting end through a drain pipe connecting piece 11, and the drain pipe connecting piece 11 can be an existing connecting piece and can be selected as required; through set up above-mentioned drainage riser part in the post-cast floor 18, embedded secondary floor drain subassembly 7 in the post-cast floor 18, and then provided secondary drainage function, improved drainage effect.

Optionally, a drainage slope is arranged on the upper surface of the post-cast floor slab 18, and one end of the drainage slope close to the secondary floor drain assembly 7 is lower than one end of the drainage slope far away from the secondary floor drain assembly 7.

Specifically, the setting of drainage slope is favorable to ponding to assemble and flow to secondary floor drain subassembly 7, and then discharges to vertical drain pipe 10 through-hole 5.

Optionally, the floor drain further comprises a waterproof layer, the waterproof layer comprises a first large-surface waterproof layer 2 and a first additional waterproof layer 3, the first large-surface waterproof layer 2 covers the upper sides of the structural floor slab 1 and the post-cast floor slab 18, the first large-surface waterproof layer 2 is connected with the periphery of the cover plate, and the first additional waterproof layer 3 is arranged on the periphery of the secondary floor drain assembly 7 and located on the lower side of the first large-surface waterproof layer 2.

Specifically, the first large waterproof layer 2 and the first additional waterproof layer 3 both adopt waterproof paint, and a complete waterproof layer structure is formed on the upper sides of the structural floor slab 1 and the post-cast floor slab 18.

Optionally, a filter layer 8 is arranged on the upper side of the waterproof layer above the post-cast floor slab 18, and the cross pipe 21 is arranged on the upper side of the filter layer 8 and connected to the transverse drain pipe 12 via a third connection end.

Specifically, the filter layer 8 comprises a plurality of cobblestones wrapped by flexible water-permeable polypropylene PP cloth and is arranged above the secondary floor drain assembly 7, so that the filtering performance is enhanced, and the secondary floor drain assembly 7 is prevented from being blocked by later-stage backfill slurry.

Optionally, a filling layer 13 is further included, the filling layer 13 is arranged on the upper side of the structural floor slab 1 and the filter layer 8, the horizontal pipe 21 and the transverse drain pipe 12 are covered by the filling layer 13, and the upper surface of the filling layer 13 forms a plane.

Specifically, the upper side of filling layer 13 is provided with pipeline wall of a well 17, and the concrete protective layer 14 of bathroom bottom, the upside of concrete protective layer 14 is provided with the big waterproof layer of second 15, the big waterproof layer of second 15 extends to pipeline wall of a well 17, be provided with the additional waterproof layer 9 of second in the reentrant corner department that concrete protective layer 14 and pipeline wall of a well 17 formed, the additional waterproof layer 9 of second sets up the downside at the big waterproof layer of second 15, be provided with surface course 16 on the big waterproof layer of second 15.

In addition, the majority includes that the piping shaft is close to the waterproof anti-bank that the floor border was built by laying bricks or stones among the drainage structures of traditional subside formula bathroom, and the transverse connection pipe of drainage riser passes anti-bank, and violently manage 21 with later stage filling layer 13 well drainage and link to each other, and the transverse connection pipe is waterproof unable effectively sealed with anti-bank handing-over department here, if transverse connection pipe is very close to ground, then first waterproof coating does this unable continuous construction of department, also very easily becomes later stage seepage hidden danger, leads to subside formula bathroom floor and piping shaft seepage problem to take place frequently. The utility model provides a subside formula bathroom drainage structures has cancelled waterproof anti-bank, reduces the nodal processing structure, solves violently to manage and seal between 21 and the waterproof anti-bank and waterproof difficult problem of receipts head to avoid a mould to pour and the secondary maintenance, can directly set up the pipeline wall of a well 17 at 13 upper portions of filling layer bricklaying, save the engineering time, simplify the construction way, improve whole waterproof drainage effect.

To sum up, the utility model provides a when the drainage structure of subside formula bathroom is under construction, utilize above-mentioned drainage riser part, the construction step includes:

1. when a toilet pipe well is reserved, the drainage vertical pipe part is adopted at the position close to the structural floor slab 1, the first connecting end and the second connecting end of the drainage vertical pipe part are firmly connected with the upper vertical drainage pipe 10 and the lower vertical drainage pipe 10 through the drainage pipe connecting piece 11, and the secondary floor drain assembly 7 is required to be kept flush with the structural floor slab 1 at the same horizontal plane after the arrangement height is noticed.

2. And (3) carrying out formwork hanging construction at the reserved floor hole of the pipe shaft, pouring a fine aggregate concrete floor as a post-cast floor 18, and arranging a 3% drainage slope so as to smoothly drain water at the later stage.

3. Watering and curing the post-pouring floor slab 18, and paying attention to the fact that the curing time is not less than 7 days, and entering the next working procedure.

4. And (3) carrying out structure self-inspection, carrying out a water closing test for the first time, inspecting the self-waterproof performance of the structure, and ensuring that the water closing time is not less than 24h.

5. Cleaning a base layer of a toilet, namely cleaning the structural floor slab 1 and the base layer of the peripheral waterproof construction area thereof, and cleaning sundries, floating ash, loose substances and the like completely by using a broom and a scraper knife so as to ensure that the first large-surface waterproof layer 2 is firmly bonded at the later stage.

6. And (2) treating a base layer of the toilet, checking and repairing the cleaned structural floor slab 1 of the toilet, and if structural defects such as structural cracks, cellular pitted surfaces, unevenness and the like exist, repairing and flattening the base layer by using waterproof leak-stopping materials or waterproof mortar, so that the base layer is firm, flat, clean, dry, free of rust and free of oil stains to ensure that the construction of the first large-surface waterproof layer 2 in the later period is reliable.

7. And cement mortar is used at the internal corner for R50 circular arc treatment, so that the local stress of a later waterproof layer is reduced, and the later coating accumulation of the internal corner is slowed down.

8. The polymer cement waterproof coating is prepared by mixing the powder material and the liquid material slowly according to the material ratio, and stirring the mixture in the same direction, wherein the mixture needs to be stirred uniformly without particles.

9. Node treatment, namely performing chiseling treatment on the peripheries of the pipe root and the water outlet, wherein the size is 20mm-20mm, using asphalt sealant to embed and fill the pipe root smoothly, using cement mortar to make steamed bread bags on the pipe root, and lining 60g/m at the nodes of the pipe root, the water outlet, the internal corner and the external corner and the like ² The polyester non-woven fabric construction polymer cement waterproof coating is used as a first waterproof additional layer, a one-cloth two-coating mode is adopted, the width is not less than 300mm, and the first additional waterproof layer 3 on one side, close to a wall surface, of the secondary floor drain assembly 7 needs to be turned upwards to be 300mm above the finished surface of the filling layer 13.

10. The JS polymer cement waterproof coating with the thickness of 1.5mm is used as a first large-surface waterproof layer 2, roller coating construction is carried out for 2-3 times, the construction cannot be too thick at one time, the construction is uniform, missing coating and thin coating cannot be carried out, and the vertical surface is turned upwards to be more than the designed finished surface and is not less than 300mm.

11. After the first large waterproof layer 2 is completely dried, 150g/m is used ² And a filter layer 8 formed by wrapping cobblestones with PP polypropylene cloth is placed on the upper part of the secondary floor drain assembly 7, so that mud of a backfill layer in later construction is prevented from seeping into the secondary floor drain assembly 7 and blocking is prevented.

12. And (5) completely installing the drainage pipeline, and paying attention to planning a drainage path.

13. Ceramsite concrete is backfilled in the plate lowering area to serve as a filling layer 13, so that the transverse drain pipe 12 is buried in the ceramsite concrete.

14. The bricking construction pipeline well wall 17 is carried out, and cement mortar is used for trowelling treatment, so that the vertical drainage pipe component is hidden in the pipeline well, and the appearance and the space design are noticed.

15. And constructing a concrete protective layer 14 with the thickness not less than 30mm, and maintaining to ensure that the base layer is firm and flat so as to facilitate the construction of the second large-surface waterproof layer 15 at the later stage.

16. The JS polymer cement waterproof coating with the thickness of 1.5mm is flexibly constructed on the large surface to form a second large-surface waterproof layer 15, the second large-surface waterproof layer is constructed by roller coating for 2-3 times, the construction cannot be too thick at one time, the construction is uniform, the coating cannot be omitted or thinly coated, and the vertical surface is turned upwards to be not less than 300mm above the designed finished surface.

17. And after the waterproof coating is completely dried, the water storage test in the toilet ensures that the waterproof layer is reliable.

18. And constructing a floor tile finish coat 16 after the water storage test is finished.

19. Cleaning the working surface, reporting a request for acceptance check after the checking is correct, and delivering the product to the owner after the checking is correct.

The drainage structure of the settling toilet utilizes the drainage vertical pipe part, the drainage vertical pipe part is an integrated part, can be connected with a vertical drainage pipe 10 in a pipe shaft through a first connecting end and a second connecting end, can be connected with a transverse drainage pipe 12 below the toilet through a third connecting end, is provided with a secondary floor drain assembly 7, can perform secondary drainage through a through hole 5 of the secondary floor drain assembly, and solves the problem of water accumulation between a traditional settling toilet filling layer 13 and a floor slab due to the aging of a joint of a transverse pipe 21 of the drainage pipe and the damage of an upper waterproof layer; the secondary floor drain assembly 7 is installed without re-drilling a hole to arrange a vertical pipe, so that the construction steps are simplified, and the construction is simple and convenient. Moreover, the drainage structure of the sedimentation type toilet cancels a waterproof reverse ridge, avoids formwork pouring and secondary curing, directly builds bricks on the upper part of the filling layer 13, saves construction time, simplifies construction methods, and improves the whole waterproof and drainage effect.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A drainage riser component, the component comprising:

2. The drainage riser component of claim 1 wherein the cross tube is integrally formed with the standpipe to form a three-way tube structure.

3. The draining pipe assembly according to claim 1, wherein the inner wall of the standpipe is provided with a blocking piece capable of covering the through hole, the upper part of the blocking piece is connected with the inner wall of the standpipe, and the lower part of the blocking piece is movably arranged in the standpipe.

4. A draining pipe member according to claim 1, wherein the funnel portion is funnel-shaped, the lower end of the funnel portion is integrally connected with the periphery of the standpipe, the periphery of the upper end of the funnel portion is provided with an annular bearing portion, and the periphery of the bearing portion is provided with an annular flanging portion protruding upwards.

5. The standpipe portion for drain pipe according to claim 4, wherein the cover plate comprises a flat plate portion and a connecting portion, the connecting portion has a stepped cylindrical shape, a lower end of the connecting portion is connectable to the receiver portion, a gap is formed between an outer circumference of the lower end of the connecting portion and an inner circumference of the flanged portion, and a lower side edge of the flat plate portion is connected to the stepped portion of the connecting portion.

6. A drainage structure for a sink-type toilet, comprising:

the drainage riser part of any one of claims 1-5;

7. A drainage structure of a sedimentation toilet according to claim 6, wherein a drainage slope is provided on the upper surface of the post-cast floor slab, and one end of the drainage slope close to the secondary floor drain assembly is lower than one end thereof far away from the secondary floor drain assembly.

8. A drainage structure of a sedimentation type toilet according to claim 7, further comprising a waterproof layer including a first large surface waterproof layer and a first additional waterproof layer, the first large surface waterproof layer covering the upper sides of the structural floor and the post-cast floor, the first large surface waterproof layer being connected to the outer periphery of the cover plate, the first additional waterproof layer being provided at the outer periphery of the secondary floor drain assembly and at the lower side of the first large surface waterproof layer.

9. A drainage structure of a sedimentation toilet according to claim 8, wherein the upper side of the waterproof layer is provided with a filter layer above the post-cast floor slab, and the horizontal pipe is provided on the upper side of the filter layer and connected with a lateral drainage pipe through the third connection end.

10. A drainage structure for a sedimentation toilet according to claim 9, further comprising a filling layer provided on an upper side of the structural floor and the filter layer, the filling layer covering the cross pipe and the lateral drainage pipes, an upper surface of the filling layer forming a plane.