CN112302287A

CN112302287A - Assembled toilet overhead waterproof structure and construction method thereof

Info

Publication number: CN112302287A
Application number: CN202011139773.XA
Authority: CN
Inventors: 张方莉; 吴昌会; 邢丽燕; 赵春生
Original assignee: Beijing Aerospace Construction Engineering Co ltd
Current assignee: Beijing Aerospace Construction Engineering Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-02-02

Abstract

The application relates to an overhead waterproof structure of an assembled toilet, which comprises a plurality of foundation screws arranged on the ground, foundation nuts arranged on the foundation screws, a heat-insulating plate arranged at the upper end of the foundation nuts, a waterproof chassis arranged at the upper end of the heat-insulating plate, a floor arranged at the upper end of the waterproof chassis, expansion screws arranged on a wall body, a wallboard arranged on the waterproof chassis, a main drainage pipe and an auxiliary drainage pipe which are laid on the ground, and a floor drain arranged on the main drainage pipe; the corners of the heat-insulation board are respectively lapped on the tops of the plurality of anchor nuts, the wall board is abutted against the expansion screw rods, and the wall board is perpendicular to the floor; the main drain pipe passes heated board and waterproof chassis, the water inlet and the high parallel and level of floor around the floor drain, and the high gradual step-down of water inlet direction towards the floor drain on floor drain assists drain pipe and main drain pipe intercommunication, the water inlet of assisting the drain pipe and the high parallel and level of ground around, and this application has improved the drainage effect of defending built on stilts waterproofing mechanism between the life.

Description

Assembled toilet overhead waterproof structure and construction method thereof

Technical Field

The application relates to the field of waterproof construction of toilets, in particular to an assembled toilet overhead waterproof structure and a construction method thereof.

Background

Drainage need be considered when the bathroom is designed, old-fashioned bathroom waterproof construction has laid the pipeline at the bathroom usually and just backfilled work, has appeared the built on stilts waterproof construction of bathroom in recent years, built on stilts waterproof construction have the flexibility high, be convenient for maintenance, advantage such as with low costs, and built on stilts waterproof construction can carry out the cooling and heating through the space of below the floor, be a function various, comfortable energy-conserving indoor ground form, more and more moved in interior decoration engineering at present.

However, when the existing toilet overhead structure is used, the ground under the floor still leaks sometimes, which makes the drainage effect of the existing overhead waterproof structure not ideal.

Disclosure of Invention

In order to improve the drainage effect of the toilet overhead waterproof mechanism, the application provides an assembled toilet overhead waterproof structure and a construction method thereof.

First aspect, this application provides an assembled bathroom overhead waterproof construction, adopts following technical scheme:

an assembled toilet overhead waterproof structure comprises a plurality of foundation screws arranged on the ground, foundation nuts arranged on the foundation screws, a heat insulation board arranged at the upper end of the foundation nuts, a waterproof chassis arranged at the upper end of the heat insulation board, a floor arranged at the upper end of the waterproof chassis, expansion screws arranged on a wall body, a wallboard arranged on the waterproof chassis, a main drainage pipe and an auxiliary drainage pipe laid on the ground, and a floor drain arranged on the main drainage pipe;

the corners of the heat-insulation board are respectively lapped on the tops of the plurality of anchor nuts, the wall board is abutted against the expansion screw rods, and the wall board is perpendicular to the floor;

the main drainage pipe passes heated board and waterproof chassis, and the water inlet of floor drain and the high parallel and level of floor around, the high gradual step-down of water inlet direction towards the floor drain on floor, the high parallel and level of water inlet and the ground around of assisting the drain pipe, and the high gradual step-down of water inlet direction towards assisting the drain pipe on ground assist the drain pipe.

Through adopting above-mentioned technical scheme, when the water that falls on the floor, because the gradual step-down of the water inlet direction of the high orientation main drain pipe on floor, thereby water on the floor flows to the direction of floor drain gradually, even water on the floor passes through the floor, when waterproof chassis and heated board etc. permeate subaerially, because the high gradual step-down of water inlet direction towards the auxiliary drain pipe of ground, thereby subaerial water flows to the direction of auxiliary drain pipe gradually, thereby the gathering of subaerial water has been reduced, it permeates to the user roof downstairs through ground floor to have reduced water, not only improved the drainage performance of toilet rack waterproof construction, the resident experience has still been improved simultaneously.

Optionally, the auxiliary drain pipe is provided with a one-way valve.

Through adopting above-mentioned technical scheme, when main drain pipe takes place stifled jam, because highly being less than main drain pipe's height of assisting the drain pipe to water can be followed and assisted drain pipe department and flowed, and has installed the check valve door on assisting the drain pipe after, thereby even main drain pipe has taken place to block up, sewage also can not follow and assists drain pipe department and flow, has reduced the gathering of subaerial sewage, and then has reduced water infiltration and has gone into ground.

Optionally, a waterproof and moistureproof diaphragm is arranged on the expansion screw rod, an expansion nut is connected to the expansion screw rod in a threaded manner, one end of the waterproof and moistureproof diaphragm is located between the expansion nut and the wall body, and the other end of the waterproof and moistureproof diaphragm is located between the wallboard and the waterproof chassis.

Through adopting above-mentioned technical scheme for when having ponding on ground with, along with the increase of ponding, these ponding can not go upward through the edge on waterproof chassis, thereby force ponding can be along heated board or wallboard department infiltration to the floor on, make the discovery that resident personnel can be timely, then maintain.

Optionally, a cement board is arranged on the heat insulation board, and the cement board is located between the heat insulation board and the waterproof chassis.

Through adopting above-mentioned technical scheme for the bearing weight on floor increases, has improved the bearing strength on floor, has reduced the cracked risk in floor.

Optionally, the wall body is provided with non-woven fabrics.

Through adopting above-mentioned technical scheme, through set up the non-woven fabrics on the wall body to further reduction in the water infiltration reaches the wall body, reduced the destruction to the wall body.

Optionally, a waterproof coating layer is arranged on the non-woven fabric.

Through adopting above-mentioned technical scheme, through setting up the waterproof layer on the non-woven fabrics to further improvement the water-proof effects of wall body, reduced in water infiltration reaches the wall body, reduced the destruction to the wall body.

Optionally, be equipped with the air exhauster on the wall body, be equipped with the exhaust column on the air exhauster, the exhaust column passes the dampproofing and waterproofing diaphragm, and the air intake of exhaust column is located between wallboard and the wall body, be equipped with out the tuber pipe on the air exhauster, go out the tuber pipe and pass the wallboard, the air outlet that goes out the tuber pipe is located outdoors.

By adopting the technical scheme, the exhaust fan is arranged on the wall body, so that the exhaust fan is used for exhausting the space between the wallboard and the wall body and the space between the heat insulation board and the ground, moist air is exhausted, the erosion of the moist air to the wall body and the ground is reduced, the damage to the wall body and the ground is reduced, and the service life of the wall body and the ground is prolonged.

Optionally, an air supply pipe is arranged on the wall body, one end of the air supply pipe penetrates through the wall plate, the other end of the air supply pipe penetrates through the waterproof and moistureproof diaphragm, and an air outlet of the air supply pipe faces towards the auxiliary drain pipe.

Through adopting above-mentioned technical scheme, through setting up the blast pipe on the wall body, thereby in the air exhauster convulsions, the blast pipe can send into the air to the space between heated board and the ground, make the space between heated board and the ground and external formation air flow, make moist air more easily taken away, further reduced the humid air in the space between floor and the ground, the erosion of moist air to wall body and ground has reduced the destruction of wall body and ground, the life on wall body and ground has been improved.

Optionally, the floor drain comprises a drain pipe arranged on the main drain pipe and a filter plate arranged on the drain pipe, and the height of the filter plate is the same as that of the surrounding floor.

By adopting the technical scheme, the sewage on the floor can flow into the main drainage pipe along the floor drain as far as possible to flow away.

In a second aspect, the application provides a construction method of an assembled toilet overhead waterproof structure, which adopts the following technical scheme:

a construction method of an assembled toilet overhead waterproof structure comprises the following steps:

a foundation screw is driven into the ground, a main drainage pipe and an auxiliary drainage pipe are laid on the ground, cement is poured onto the ground to fix the main drainage pipe and the auxiliary drainage pipe, and the cement is leveled, so that the height of the cement gradually becomes lower towards the water inlet direction of the auxiliary drainage pipe;

installing foundation nuts on the foundation screws, then laying heat insulation plates on the foundation nuts, laying a waterproof chassis on the heat insulation plates, then laying a floor on the waterproof chassis, reserving through holes for the main drainage pipe to pass through on the heat insulation plates and the waterproof chassis when laying the heat insulation plates and the waterproof chassis, and reserving positions for installing floor drains on the floor when laying the floor;

and (3) driving an expansion screw into the wall body, then installing the wallboard on the waterproof chassis, and adjusting the position of the expansion screw to enable the wallboard to be abutted against the expansion screw and enable the wallboard to be perpendicular to the waterproof chassis.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the water falls on the floor, because the gradual step-down of the water inlet direction of the high orientation main drain pipe on floor, thereby water on the floor flows to the direction of floor drain gradually, even water on the floor passes through the floor, when infiltration subaerial such as waterproof chassis and heated board, because the gradual step-down of the water inlet direction of highly towards the auxiliary drain pipe on ground, thereby subaerial water flows to the direction of auxiliary drain pipe gradually, thereby the gathering of subaerial water has been reduced, it infiltrates to the user roof downstairs through ground floor to have reduced water, not only improved the drainage performance of toilet rack waterproof construction, the resident experience has still been improved simultaneously.

2. When the air exhauster drafts, the blast pipe can send into the air to the space between heated board and the ground, makes the space between heated board and the ground form the air with the external world and flows for moist air is taken away more easily, has further reduced the moist air in the space between floor and the ground, and moist air has reduced the destruction of wall body and ground to the erosion of wall body and ground, has improved the life on wall body and ground.

Drawings

Fig. 1 is a schematic overall structure diagram of an overhead waterproof structure in an embodiment of the present application.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.

Fig. 4 is a partially enlarged view of a portion B in fig. 3.

Description of reference numerals: 11. a ground screw; 12. a ground nut; 21. a thermal insulation board; 211. a cement board; 22. a waterproof chassis; 23. a floor; 24. an expansion screw; 25. a wallboard; 26. a waterproof and moisture-proof membrane; 27. an expansion nut; 31. a main drain pipe; 32. an auxiliary drain pipe; 33. a floor drain; 331. a drain pipe; 332. a filter plate; 34. a one-way valve; 4. non-woven fabrics; 5. a waterproof coating layer; 61. an exhaust fan; 62. an exhaust pipe; 63. an air outlet pipe; 7. and an air supply pipe.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses assembled bathroom overhead waterproof construction.

Referring to fig. 1, the waterproof overhead structure of the fabricated lavatory is installed on the ground and the wall.

Referring to fig. 2 and 3, the fabricated toilet waterproof overhead structure includes a plurality of anchor screws 11 drilled into the ground of the toilet, and when the anchor screws 11 are installed, pre-positioning is performed according to positions of the anchor screws 11 on the drawing, and then the anchor screws 11 are drilled into the ground according to the positioned positions. Threaded connection has ground nut 12 on ground screw 11, when installation ground nut 12, makes ground nut 12 install the one end of keeping away from ground on ground screw 11, establish on a plurality of ground nut 12 with heated board 21, when carrying out heated board 21's installation, makes heated board 21's edge overlap joint on ground nut 12, butt between two adjacent heated boards 21, and when the construction, the staff need adjust the position of every ground nut 12 on ground screw 11, makes all heated boards 21 keep on same height. When the insulation board 21 is used, an XPS insulation board can be adopted, and the thickness of the XPS insulation board is 20 mm.

Referring to fig. 3 and 4, the upper end of the heat insulation plate 21 is provided with the waterproof chassis 22, the waterproof chassis 22 is integrally placed on the heat insulation plate 21, the edge of the waterproof chassis 22 is provided with a protruding part to form a square tank body shape, a certain gap exists between the edge of the waterproof chassis 22 and a wall body, the waterproof chassis 22 can play a certain water storage role, and the risk that water falls to the ground is reduced. When the waterproof chassis 22 is mounted on the heat insulation board 21, in order to better support the heat insulation board 21 on the waterproof chassis 22, a layer of cement board 211 is laid on the upper end of the heat insulation board 21, the cement board 211 on the heat insulation board 21 is kept at the same height, and then the waterproof chassis 22 is mounted on the upper end of the cement board 211. When the waterproof chassis 22 is used, an ABS-PC waterproof chassis can be adopted, and the cement board 211 can be made of a non-asbestos cement base material board with the thickness of 10 mm.

The floor 23 is installed on the waterproof chassis 22, and when the floor 23 is installed, a part of cement is applied to the bottom of the floor 23, and then the floor 23 is adhered to the waterproof chassis 22.

Be equipped with expansion screw 24 on the wall body of bathroom, expansion screw 24 squeezes into the wall body perpendicularly, then threaded connection installs the elastic component on expansion screw 24, install wallboard 25 on waterproof chassis 22, when installing wallboard 25, the position of the elastic component on continuous adjustment expansion screw 24, make wallboard 25 perpendicular to waterproof chassis 22, and make wallboard 25 butt on the elastic component, after the position of adjusting the elastic component, the staff can be close to the terminal surface of wallboard 25 on the elastic component and paint some glue, then paste wallboard 25 on the elastic component.

Referring to fig. 3 and 4, a main drain pipe 31 and an auxiliary drain pipe 32 are further provided on the ground, the auxiliary drain pipe 32 is communicated with the main drain pipe 31, and the main drain pipe 31 passes through the insulation board 21, the cement board 211, the waterproof chassis 22 and the floor 23, so that in the process of installing the insulation board 21, the cement board 211, the waterproof chassis 22 and the floor 23, through holes for installing the main drain pipe 31 need to be reserved on the insulation board 21, the cement board 211, the waterproof chassis 22 and the floor 23.

The floor drain 33 is installed on the upper end of the main drain pipe 31, the floor drain 33 includes a drain pipe 331 and a filter plate 332 provided on the drain pipe 331, the drain pipe 331 is located on the upper end of the main drain pipe 31 and communicates with the main drain pipe 31, the drain pipe 331 is flush with the surrounding floor 23 when the drain pipe 331 is installed, and after the filter plate 332 is installed on the drain pipe 331, the top end of the filter plate 332 is flush with the surrounding floor 23, or the height of the filter plate 332 is slightly lower than the surrounding floor 23. Thus when laying the floors 23 all floors 23 are inclined towards the floor drain 33, facilitating the flow of water over the floors 23.

The top of assisting the drain pipe 32 is located subaerial, and after the installation of assisting the drain pipe 32 was accomplished, laid the one deck cement layer subaerial to make level to the cement layer, make the high slope of direction to assisting the drain pipe 32 on cement layer step by step lower, thereby be convenient for rivers to the water inlet department of assisting the drain pipe 32 and flow.

After main drain pipe 31 takes place to block up, because the water inlet height of assisting drain pipe 32 is less than the height of main drain pipe 31, thereby rivers can be in the same direction as assisting drain pipe 32 and flow, thereby when the drain pipe 32 is assisted in the installation, install a check valve 34 on assisting drain pipe 32, check valve 34 makes rivers can only flow to main drain pipe 31 direction through assisting drain pipe 32, therefore even when main drain pipe 31 takes place the blocking phenomenon, the water conservancy can not be in the same direction as assisting the water inlet of drain pipe 32 and flow, thereby the erosion of rivers to cement layer and ground floor has been reduced.

When water flows between the heat insulation board 21 and the cement layer, the water flows into the water inlet of the auxiliary drain pipe 32 along the cement layer and flows away through the auxiliary drain pipe 32. In the process, air in the space between the heat insulation board 21 and the ground is easy to be wet, in order to avoid the wet air from rising to the wall to erode the wall, a waterproof and moistureproof diaphragm 26 is arranged between the wall and the waterproof chassis 22, one end of the waterproof and moistureproof diaphragm 26 is arranged on the expansion screw 24 in a penetrating way, then an expansion nut 27 is connected on the expansion screw 24 in a threaded way, and the expansion nut 27 tightly presses the waterproof and moistureproof diaphragm 26 on the wall; the other end of the membrane 26 is located between the wall panel 25 and the boss of the waterproofing pan 22, and when the wall panel 25 is installed, the bottom of the wall panel 25 is located between the floor 23 and the boss of the waterproofing pan 22, and the wall panel 25 presses the membrane 26 against the boss of the waterproofing pan 22.

Referring to fig. 3 and 4, in order to further improve the waterproof capability of the wall body, a layer of non-woven fabric 4 is laid at the joint of the wall body and the ground, a waterproof coating layer 5, such as a mortar mixture, is coated on the non-woven fabric 4 when the non-woven fabric 4 is laid, and then the non-woven fabric 4 is adhered to the joint of the wall body and the ground.

In order to exhaust air between the heat insulation board 21 and the ground, a small exhaust fan 61 is installed on the wall body, an exhaust pipe 62 and an air outlet pipe 63 are installed on the exhaust fan 61, the exhaust pipe 62 is located between the wall board 25 and the wall body, one end of the exhaust pipe 62 is communicated with the exhaust fan 61, and the other end of the exhaust pipe 62 penetrates through the waterproof and moistureproof diaphragm 26 and is located between the heat insulation board 21 and the ground; one end of the air outlet pipe 63 is connected and communicated with the exhaust fan 61, and the other end of the air outlet pipe 63 penetrates through the wall plate 25 and extends out of the room, or the other end of the air outlet pipe 63 is connected to an air exhaust pipeline of a toilet.

The exhaust fan 61 extracts moist air in the space between the insulation board 21 and the ground, so that the surface of the cement layer is in a dry environment, and erosion of the moist air to the cement layer on the ground and the insulation board 21 is reduced.

The opposite wall body on the wall body provided with the exhaust fan 61 is provided with the blast pipe 7, the pipe wall of the blast pipe 7 can be fixed on the wall body, one end of the blast pipe 7 penetrates through the waterproof and moistureproof diaphragm 26 and extends into the space between the heat insulation board 21 and the ground, the pipe orifice of the blast pipe 7 can face the direction of the water inlet of the auxiliary drain pipe 32, the air outlet of the blast pipe 7 and the air suction opening of the air suction pipe 62 are respectively positioned at two sides of the toilet, the other end of the blast pipe 7 penetrates through the wall board 25 and extends into the toilet, and the end of the blast pipe 7 is positioned at a slightly high point in the toilet, so that accumulated water is prevented from flowing into or moist air near the toilet floor flows into the space between the heat insulation board 21 and the ground cement layer. In the process of air draft carried out at air exhauster 61, blast pipe 7 is to the air supply between heated board 21 and the ground cement layer to form the circulation, increase the air current in space between heated board 21 and the ground cement layer, make the humid air between heated board 21 and the ground cement seal discharge more be convenient for.

The embodiment of the application also discloses a construction method of the assembled toilet overhead waterproof structure, which comprises the following construction steps:

s1, the ground is driven by the ground screw 11, the main drainage pipe 31 and the auxiliary drainage pipe 32 are laid on the ground, the water inlet of the main drainage pipe 31 and the water inlet of the auxiliary drainage pipe 32 are reserved, a layer of non-woven fabric 4 is laid on the ground and a wall body, a waterproof coating layer 5 is coated on the non-woven fabric 4, after the non-woven fabric is naturally air-dried for a period of time, cement is poured on the ground to form a cement layer, the cement layer is leveled, the height of the cement layer is gradually reduced from one end far away from the auxiliary drainage pipe 32 to one end close to the auxiliary drainage pipe 32, water flows towards the water inlet of the auxiliary drainage pipe 32 conveniently, after the cement layer is poured, the upper end of the auxiliary drainage pipe 32 is cut, and the height of the water inlet of the auxiliary drainage pipe 32 is equal to or slightly lower than the height of the cement layer around.

S2 is to install the anchor nuts 12 on the anchor screws 11, then to lay the heat-insulating board 21 on the upper ends of the anchor nuts 12, after laying the heat-insulating board 21, lay the cement board 211 on the upper end of the heat-insulating board 21, after laying the cement board 211, lay the waterproof chassis 22 on the upper end of the cement board 211, when laying the heat-insulating board 21, the cement board 211 and the waterproof chassis 22, the heat-insulating board 21, the cement board 211 and the waterproof chassis 22 are provided with holes through which the main drain pipe 31 can pass, and then to seal the contact positions of the heat-insulating board 21, the cement board 211 and the waterproof chassis 22 and the main drain pipe 31.

The upper end of a main drainage pipe 31 is cut, a drainage pipe 331 is installed on the main drainage pipe 31 and is installed on the drainage pipe 331 through a filter plate 332, then a floor 23 is paved on a waterproof chassis 22, a hole for installing the drainage pipe 331 is reserved on the floor 23 when the floor 23 is paved, or the drainage pipe 331 is positioned at a splicing position where four floors 23 are paved, a layer of cement is smeared at the bottom of the floor 23 when the floor 23 is paved, then the height of the paved floor 23 gradually becomes lower towards the direction of a floor drain 33, and further water in a toilet conveniently flows to a funnel.

S3, an expansion screw 24 is driven into a wall, a waterproof and moistureproof diaphragm 26 is arranged on the expansion screw 24 in a penetrating mode, an expansion nut 27 is screwed on the expansion screw 24 to fix the waterproof and moistureproof diaphragm 26, a fixed exhaust fan 61 is arranged on the wall, an exhaust pipe 62 and an air outlet pipe 63 are arranged on the exhaust fan 61, the exhaust pipe 62 penetrates through the waterproof and moistureproof diaphragm 26, an exhaust opening of the exhaust pipe 62 is located between a heat insulation board 21 and the ground, then the wallboard 25 is laid, the bottommost wallboard 25 is located between a protruding portion of the waterproof chassis 22 and the floor 23, the wallboard 25 is perpendicular to the waterproof chassis 22, and holes for the air outlet pipe 63 to penetrate through are reserved on the local wallboard 25 in the process of laying the wallboard 25.

Then, the blast pipe 7 is installed on the wall body on the other side of the toilet, the blast pipe 7 penetrates through the waterproof and moistureproof diaphragm 26, the blast outlet of the blast pipe 7 faces the water inlet of the auxiliary drain pipe 32, then the side wall plate 25 is paved, in the process of paving the wall plate 25, the installation and the fixation of the elastic piece are carried out on the expansion screw 24 along with the paving of the wall plate 25, glue is smeared on the elastic piece, the wall plate 25 at the bottommost part is positioned between the bulge part of the waterproof chassis 22 and the floor 23, the wall plate 25 is perpendicular to the waterproof chassis 22, and a hole for the blast pipe 7 to penetrate through is reserved on the local wall plate 25 along with the installation of the wall plate 25.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an assembled bathroom overhead waterproof construction which characterized in that: the floor drain comprises a plurality of foundation screws (11) arranged on the ground, foundation nuts (12) arranged on the foundation screws (11), a heat insulation plate (21) arranged at the upper end of the foundation nuts (12), a waterproof chassis (22) arranged at the upper end of the heat insulation plate (21), a floor (23) arranged at the upper end of the waterproof chassis (22), expansion screws (24) arranged on a wall body, a wallboard (25) arranged on the waterproof chassis (22), a main drainage pipe (31) and an auxiliary drainage pipe (32) which are paved on the ground, and a floor drain (33) arranged on the main drainage pipe (31);

the corners of the heat insulation plate (21) are respectively lapped on the tops of the plurality of foundation nuts (12), the wall plate (25) is butted on the expansion screw rods (24), and the wall plate (25) is vertical to the floor (23);

the main drainage pipe (31) penetrates through the heat insulation plate (21) and the waterproof chassis (22), a water inlet of the floor drain (33) is highly flush with the surrounding floor (23), the height of the floor (23) gradually becomes lower towards the direction of the water inlet of the floor drain (33), the auxiliary drainage pipe (32) is communicated with the main drainage pipe (31), the water inlet of the auxiliary drainage pipe (32) is highly flush with the surrounding ground, and the height of the ground gradually becomes lower towards the direction of the water inlet of the auxiliary drainage pipe (32).

2. The fabricated toilet erected waterproof structure according to claim 1, wherein: the auxiliary drainage pipe (32) is provided with a one-way valve (34).

3. The fabricated toilet erected waterproof structure according to claim 1, wherein: be equipped with dampproofing and waterproofing membrane (26) on expansion screw (24), threaded connection has expansion nut (27) on expansion screw (24), the one end of dampproofing and waterproofing membrane (26) is located between expansion nut (27) and the wall body, and the other end of dampproofing and waterproofing membrane (26) is located between wallboard (25) and waterproof chassis (22).

4. The fabricated toilet erected waterproof structure according to claim 1, wherein: the waterproof heat-insulation plate is characterized in that a cement plate (211) is arranged on the heat-insulation plate (21), and the cement plate (211) is located between the heat-insulation plate (21) and the waterproof chassis (22).

5. The fabricated toilet erected waterproof structure according to claim 1, wherein: the wall body is provided with non-woven fabrics (4).

6. The fabricated toilet erected waterproof structure according to claim 5, wherein: and a waterproof coating layer (5) is arranged on the non-woven fabric (4).

7. The fabricated toilet erected waterproof structure according to claim 3, wherein: be equipped with air exhauster (61) on the wall body, be equipped with exhaust column (62) on air exhauster (61), waterproof and moisture-proof membrane (26) is passed in exhaust column (62), and the air intake of exhaust column (62) is located between wallboard (25) and the wall body, be equipped with out tuber pipe (63) on air exhauster (61), go out tuber pipe (63) and pass wallboard (25), the air outlet that goes out tuber pipe (63) is located outdoors.

8. The fabricated toilet erected waterproof structure according to claim 7, wherein: be equipped with blast pipe (7) on the wall body, wallboard (25) are passed to blast pipe (7) one end, and waterproof and moisture-proof membrane (26) are passed to the other end, the air outlet of blast pipe (7) is towards assisting drain pipe (32).

9. The fabricated toilet erected waterproof structure according to claim 1, wherein: the floor drain (33) comprises a drain pipe (331) arranged on the main drain pipe (31) and a filter plate (332) arranged on the drain pipe (331), wherein the height of the filter plate (332) is the same as that of the surrounding floor (23).

10. A construction method of an assembled toilet overhead waterproof structure is characterized by comprising the following steps:

the method comprises the following steps of (1) driving a foundation screw (11) into the ground, paving a main drainage pipe (31) and an auxiliary drainage pipe (32) on the ground, pouring cement on the ground to fix the main drainage pipe (31) and the auxiliary drainage pipe (32) and leveling the cement, so that the height of the cement gradually becomes lower towards the direction of a water inlet of the auxiliary drainage pipe (32);

installing anchor nuts (12) on anchor screws (11), then paving heat-insulating plates (21) on a plurality of anchor nuts (12), paving waterproof chassis (22) on the heat-insulating plates (21), then paving floors (23) on the waterproof chassis (22), reserving through holes for main drainage pipes (31) to pass through on the heat-insulating plates (21) and the waterproof chassis (22) when paving the heat-insulating plates (21) and the waterproof chassis (22), and reserving positions for installing floor drains (33) on the floors (23) when paving the floors (23);

the expansion screw rod (24) is driven into the wall body, then the wallboard (25) is installed on the waterproof chassis (22), the position of the expansion screw rod (24) is adjusted, the wallboard (25) is enabled to be abutted against the expansion screw rod (24), and the wallboard (25) is enabled to be perpendicular to the waterproof chassis (22).