CN211774378U

CN211774378U - Drainage device of formula of sinking bathroom

Info

Publication number: CN211774378U
Application number: CN202020090758.XU
Authority: CN
Inventors: 樊户江; 王明
Original assignee: Anhui Ande Architectural Design Co ltd
Current assignee: Anhui Ande Architectural Design Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-27
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a building drainage technical field discloses a drainage device of formula bathroom sinks, including fixed bed, backfill layer, floor drain and drainage riser, drainage riser bottom and sewer intercommunication, the floor drain includes shell and cage, and the shell bottom surface is fixed with the lumen pipe, has the annular chamber between lumen pipe and the shell, and the cage is located the higher authority of annular chamber, and there is the air supporting ring in its lower part. The utility model has the advantages of it is following and effect: the vertical drainage pipe is fixed in the fixed layer and the backfill layer, the top end of the vertical drainage pipe is communicated with the floor drain, the bottom end of the vertical drainage pipe is communicated with the sewer, and water flows into the vertical drainage pipe through the floor drain and is discharged by the sewer. The air floating ring drives the isolation cover to float up and down under the lifting of the water level of the accumulated water in the annular cavity, the bottom end of the isolation cover is always below the water surface, and a closed space formed by the air floating ring and the accumulated water is subjected to water sealing deodorization; when the water level in the annular cavity is higher than the upper surface of the cavity tube, the water is discharged by overflow. When no water exists, the bottom end of the isolation cover is attached to the annular cavity, so that the peculiar smell is prevented from overflowing, and the sealing and deodorization are carried out.

Description

Drainage device of formula of sinking bathroom

Technical Field

The utility model belongs to the technical field of the technique of building drainage and specifically relates to a drainage device of formula bathroom sinks is related to.

Background

A sinking toilet is characterized in that when a main body is built, a structural layer of the toilet is partially or wholly sunk to a certain height (generally 40 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 by a light material, and only one hole is required to be arranged on the structural layer to serve as a drainage vertical pipe for use. The vertical drainage pipe can be arranged by the wall corner and can be covered by an external arc-shaped clapboard when being decorated by an owner. At present, a Chinese utility model with publication number CN 208455738U discloses a secondary drainage waterproof system for a sink-type toilet, which comprises a caisson and a drainage riser, wherein the side wall of the drainage riser is connected with a drainage pipe embedded in the caisson, the top surface and the inner side wall surface of the bottom plate of the caisson are provided with caisson waterproof layers, the top surface of the bottom caisson waterproof layer is provided with a slope-seeking layer, and the slope-seeking layer inclines towards the caisson drainage pipe; a filling layer is filled between the slope finding layer and the ground cushion layer; a protective layer is arranged outside the waterproof layer of the caisson on the side surface; a drainage plate located on the top surface of the slope finding layer is covered on the caisson drain pipe in a square mode, and the drainage plate is fixed through a pre-embedded fixing lead wire; the sides of the periphery of the drainage plate are sequentially provided with an isolation net, a water filtering isolation belt and a fixing net.

According to the technical scheme, accumulated water in the caisson of the sinking toilet is discharged through the caisson drain pipe, and secondary drainage is performed; the waterproof layer of the caisson prevents accumulated water from leaking and strengthens the water resistance. However, the drainage system of the sinking toilet does not adopt effective deodorization measures, so that the peculiar smell of the toilet is offensive. Therefore, a sink type toilet drainage device with deodorization performance is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drainage device of formula bathroom sinks, it has deodorant performance not enough to prior art exists.

The above technical purpose of the present invention can be achieved by the following technical solutions: a drainage device of a sunken toilet comprises a fixed layer, a backfill layer, a floor drain and a drainage vertical pipe, wherein a drainage pipe communicated with a sewer is arranged at the bottom end of the drainage vertical pipe, the floor drain is provided with a shell positioned at the top end of the drainage vertical pipe, a cavity pipe communicated with the drainage vertical pipe is fixed at the bottom of the shell, an annular cavity used for storing accumulated water is arranged between the cavity pipe and the shell, an isolation cover used for isolating peculiar smell gas is arranged in the shell, the isolation cover is positioned on the upper side of the cavity pipe, and an air floating ring suspended in the annular cavity is fixedly connected to the lower portion of the isolation cover.

By adopting the technical scheme, the vertical drainage pipe of the sinking toilet is fixed in the fixed layer and the backfill layer, the top end of the vertical drainage pipe is communicated with the floor drain, the bottom end of the vertical drainage pipe is communicated with the sewer, and water flows into the vertical drainage pipe through the floor drain and is discharged by the sewer. The top end of the drainage vertical pipe is communicated with the floor drain through a cavity pipe, accumulated water can be stored in an annular cavity formed by the cavity pipe and the shell of the floor drain, the isolation cover is positioned on the upper side of the cavity pipe, and the air floatation ring fixedly connected with the lower portion of the isolation cover is suspended in the annular cavity, so that the isolation cover is suspended in the annular cavity. When the accumulated water in the annular cavity changes, the air floatation ring moves up and down due to the lifting of the water level, so that the isolation cover is driven to float up and down; when the water level of the annular cavity is higher than the upper surface of the cavity tube, water overflows into the cavity tube and is discharged, so that the aim of water discharge is fulfilled. When water and water are available for drainage, the isolation cover is under the action of gravity, the bottom end of the isolation cover is always positioned below the water surface, and the water accumulated in the annular cavity and the isolation cover form a closed space, so that the effect of water sealing and deodorization is achieved; when no water exists, the isolation cover and the cavity tube form a closed space, so that the odor is effectively prevented from overflowing, the aim of sealing and deodorizing the isolation cover when no water exists is fulfilled, and the effect of deodorizing all the time is achieved.

The utility model discloses further set up to, fixed apron is installed on shell upper portion, the center of fixed apron is provided with vertical dead lever, set up the lower floor's diaphragm orifice that is used for leaking on the fixed apron, rotate on the fixed apron and install the rotation apron, the center of rotating the apron seted up with the dead lever rotates the fixed orifices of connecting, set up the upper diaphragm orifice that is used for adjusting displacement on the rotation apron.

Through adopting above-mentioned technical scheme, be connected through the rotation of dead lever and fixed orifices, realize the relative rotation of fixed apron and rotation apron. When the holes of the upper layer and the holes of the lower layer form a water permeable area, the ground water is drained into the floor drain through the water permeable area; and the area of the permeable area can be changed by adjusting the rotation angle of the rotating cover plate, so that the effect of adjusting the drainage flow is achieved. When the cover plate is rotated in a rotating mode and the upper plate hole and the lower plate hole are completely staggered, the fixed cover plate and the rotating cover block the upward diffusion of the odor, and therefore the effect of enhancing deodorization is achieved.

The utility model discloses further set up as, the upper portion of cage is established to the taper shape.

Through adopting above-mentioned technical scheme, the upper portion of cage is the toper to reduce the cage and flow the resistance of water downwards, be favorable to the smoothness of drainage.

The utility model discloses further set up as, the inboard of cage is equipped with the annular seal circle of upwards concave.

By adopting the technical scheme, the inner side of the isolation cover is attached to the upper end of the cavity tube when no water exists, so that the peculiar smell is prevented from diffusing upwards, and the function of sealing and deodorizing the floor drain is realized.

The utility model discloses further set up to, offer on the outer wall of cage lower part and be used for nested installation the annular groove of air supporting circle.

By adopting the technical scheme, the air floatation ring is nested and installed in the annular groove on the outer wall of the isolation cover, so that the air floatation ring is prevented from being separated from the isolation cover, and the effect that the isolation cover is driven by the air floatation ring to float in the annular cavity is ensured.

The utility model discloses further set up to, the activated carbon layer has evenly been laid to the bottom on backfill layer, be provided with the diameter in the activated carbon layer and be greater than the honeycomb duct of activated carbon layer thickness, a plurality of inlet openings have been seted up to the part that the honeycomb duct exceeds the activated carbon layer.

By adopting the technical scheme, the activated carbon layer has good adsorption performance to adsorb odor gas, thereby enhancing the deodorization effect on the toilet. The accumulated water in the backfill layer flows into the flow guide pipe through the water inlet holes and then enters the floor drain to be discharged by the secondary water discharge pipe, and the flow guide pipe with a plurality of water inlet holes is beneficial to collecting the accumulated water in the backfill layer and guiding the collected water to enter the floor drain, so that the collection efficiency of the accumulated water in the backfill layer 4 is improved; the position of inlet opening is higher than the active carbon layer, is in order to prevent that the active carbon granule from getting into the collection effect that the honeycomb duct influences ponding.

The utility model discloses further set up to, laid the hollow brick that divide into a plurality of blocks with the bathroom on the activated carbon layer, a plurality of blocks in backfill have the haydite, hollow brick and haydite upper berth are equipped with the wire net, the wire net upper berth is equipped with the floor.

Through adopting above-mentioned technical scheme, the hollow brick of laying on the activated carbon layer, stable in structure has the effect of supporting the backfill layer to prevent that the backfill layer from sinking and leading to the floor to damage. The ceramic grains are backfilled in the blocks, so that the backfill layer is filled, and the stability of the backfill layer is enhanced; and the backfilled ceramsite is light in weight, so that the weight of the sinking toilet can be reduced. The steel wire mesh is formed by fixing reinforcing steel bars in a staggered mode, the size of a single block of the formed grid is smaller than that of a single block formed by dividing the ground by the hollow bricks, and the strength of the upper surface of the backfill layer is increased, so that the supporting effect of the backfill layer on the ground is enhanced.

The utility model discloses further set up to, the recess of many V-arrangements is seted up to the upper surface of floor.

By adopting the technical scheme, the V-shaped groove on the upper surface of the floor is beneficial to the flow of water on the ground along the groove, so that the collection efficiency of water on the ground is improved; the collected residual water on the ground seeps downwards along the floor seam, so that the phenomenon that the residual water is evaporated upwards and cannot seep downwards to cause overlarge indoor humidity and generate peculiar smell is avoided; and the grooves also make the surface of the floor uneven, thereby having the antiskid effect.

The utility model discloses further set up to, the surface on the fixed bed sinks to the center with the slope all around and forms the lower, the floor drain is located this lower.

By adopting the technical scheme, the floor drain is arranged at the lowest part formed by sinking towards the center by the slope on the periphery of the fixed layer, so that accumulated water in the backfill layer can conveniently flow into the floor drain along the slope by means of gravity, and the accumulated water is discharged by the secondary drainage pipe.

To sum up, the utility model discloses following beneficial effect has:

1. the vertical drainage pipe of the sinking toilet is fixed in the fixed layer and the backfill layer, the top end of the vertical drainage pipe is communicated with the floor drain, the bottom end of the vertical drainage pipe is communicated with the sewer, and water flows into the vertical drainage pipe through the floor drain and is discharged by the sewer. The top end of the drainage vertical pipe is communicated with the floor drain through a cavity pipe, accumulated water can be stored in an annular cavity formed by the cavity pipe and the shell of the floor drain, the isolation cover is positioned on the upper side of the cavity pipe, and the air floatation ring fixedly connected with the lower portion of the isolation cover is suspended in the annular cavity, so that the isolation cover is suspended in the annular cavity. When the accumulated water in the annular cavity changes, the air floatation ring moves up and down due to the lifting of the water level, so that the isolation cover is driven to float up and down; when the water level of the annular cavity is higher than the upper surface of the cavity tube, water overflows into the cavity tube and is discharged, so that the aim of water discharge is fulfilled. When water and water are available for drainage, the isolation cover is under the action of gravity, the bottom end of the isolation cover is always positioned below the water surface, and the water accumulated in the annular cavity and the isolation cover form a closed space, so that the effect of water sealing and deodorization is achieved; when no water exists, the isolation cover and the cavity tube form a closed space, so that the odor is effectively prevented from overflowing, the aim of sealing and deodorizing the isolation cover when no water exists is fulfilled, and the effect of deodorizing when water exists and does not exist is ensured;

2. the fixed rod is connected with the fixed hole in a rotating mode, and the fixed cover plate and the rotating cover plate rotate relatively. When the cover plate is twisted and rotated to form a water permeable area by the upper plate holes and the lower plate holes, the ground water is drained into the floor drain through the water permeable area; and the area of the permeable area can be changed by adjusting the rotation angle of the rotating cover plate, so that the effect of adjusting the drainage flow is achieved. When the rotary cover plate is twisted and staggered to the upper-layer plate hole and the lower-layer plate hole, the fixed cover plate and the rotary cover are matched to form a hole-free cover plate, so that the peculiar smell gas is prevented from diffusing upwards, and the effect of enhancing deodorization is achieved;

3. the active carbon layer has good adsorption performance to adsorb odor gas, thereby enhancing the effect of deodorizing the toilet. The accumulated water in the backfill layer flows into the flow guide pipe through the water inlet holes and then enters the floor drain to be discharged by the secondary water discharge pipe, and the flow guide pipe with a plurality of water inlet holes is beneficial to collecting the accumulated water in the backfill layer and guiding the collected water to enter the floor drain, so that the collection efficiency of the accumulated water in the backfill layer 4 is improved; the position of inlet opening is higher than the active carbon layer, is in order to prevent that the active carbon granule from getting into the collection effect that the honeycomb duct influences ponding.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

FIG. 2 is a schematic top view of the fixing layer in the embodiment.

Figure 3 is the structure schematic diagram of the floor drain of the embodiment when water exists.

In the figure: 1. a first waterproof layer; 12. a waterproof strip; 2. a second waterproof layer; 3. a fixed layer; 31. a flow guide pipe; 311. a water inlet hole; 32. a drain pipe; 4. a backfill layer; 41. an activated carbon layer; 42. a baffle plate; 43. hollow bricks; 44. ceramsite; 5. a floor drain; 51. a housing; 511. a cover plate groove; 512. a water inlet groove; 52. a lumen tube; 53. an annular cavity; 54. rotating the cover plate; 541. a fixing hole; 542. holes of the upper-layer plate; 55. fixing the cover plate; 551. fixing the rod; 552. a lower plate hole; 56. an isolation cover; 561. a sliding sleeve; 562. a seal ring; 563. an air floating ring; 564. an annular groove; 6. a vertical drainage pipe; 61. a primary water drainage pipe; 62. a secondary water drainage pipe; 7. a floor; 71. a groove; 72. and (5) steel wire meshes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a drainage device for a sink toilet includes a first waterproof layer 1, a fixing layer 3, a backfill layer 4, a drainage stand pipe 6 and a floor drain 5. The first waterproof layer 1 is laid on the wall surface and the ground on the periphery of the toilet and is formed by coating waterproof materials, and the first waterproof layer 1 is a felt in the embodiment. The juncture of the wall body pasted with the first waterproof layer 1 and the ground is provided with a waterproof strip 12, the cross section of the waterproof strip 12 is a right-angled triangle, and two planes which are perpendicular to each other are respectively pasted with the wall body and the first waterproof layer 1 on the ground so as to prevent the first waterproof layer 1 from generating a gap at the junction of the wall body and the ground, thereby improving the waterproof effect of the first waterproof layer 1.

The fixed layer 3 is a cement pouring layer, the fixed layer 3 is positioned at the middle lower part of the inner side of the first waterproof layer 1 and is attached to the inner side of the first waterproof layer 1, the upper surface of the fixed layer 3 is high at the periphery and low at the center, the periphery of the fixed layer sinks towards the center by a slope, and the top ends of the peripheral slopes are positioned on the same horizontal plane. The second waterproof layer 2 is laid on the fixed layer 3, the second waterproof layer 2 is also a felt, the surface of the felt is rough, the contact area between the second waterproof layer 2 and the fixed layer 3 is increased, and the second waterproof layer does not fall off on the fixed layer 3 with the slope.

The backfill layer 4 is positioned on the second waterproof layer 2, and the backfill layer 4 comprises an activated carbon layer 41, hollow bricks 43 and ceramsite 44. Referring to fig. 1 and 2, the activated carbon layer 41 is uniformly laid on the second waterproof layer 2, the activated carbon in a granular state is adopted in the embodiment, the activated carbon has a developed void structure and good adsorption performance, and the surface of the activated carbon granules adsorbs the odor gas in the backfill layer 4, so that the odor gas is prevented from overflowing, and the effect of deodorizing in a toilet is achieved.

As shown in fig. 1, the air brick 43 is laid on the activated carbon layer 41, and the air brick 43 has a function of supporting the backfill layer 4 to prevent the upper surface of the backfill layer from sagging. Referring to fig. 2, the hollow brick 43 divides the floor of the toilet into a plurality of square blocks, and the ceramic grains 44 are filled in the square blocks, so that the ceramic grains 44 have a light weight compared with the existing concrete filling, and have the function of reducing the weight of the sink-type toilet.

Referring to fig. 1 and 2, four flow guide pipes 31 are disposed on the second waterproof layer 2, one end of each flow guide pipe 31 is located at a corner of a toilet, the other end of each flow guide pipe 31 is communicated with the floor drain 5, the flow guide pipes 31 are embedded in the activated carbon layer 41, the diameter of each flow guide pipe 31 is larger than the thickness of the activated carbon layer 41, and a plurality of circular water inlet holes 311 are disposed in a portion of each flow guide pipe 31 higher than the activated carbon layer 41. And the diameters of the plurality of circular water inlet holes 311 are smaller than the diameter of the ceramsite 44, so as to prevent the ceramsite 44 from entering the water inlet holes 311 to block the draft tube 31. After penetrating into the backfill layer 4, the residual water on the ground flows into the draft tube 31 through the water inlet 311 and then enters the floor drain 5 to be discharged, so that the collection efficiency of the accumulated water in the backfill layer 4 is improved.

As shown in fig. 1, a floor 7 is laid on the backfill layer 4, a plurality of V-shaped grooves 71 are formed in the upper surface of the floor 7, and the V-shaped grooves 71 are easy to collect ground water, so that the ground water collection efficiency is improved; when residual water exists on the ground, the residual water flows to the gap of the floor 7 along the groove 71, so that the residual water permeates into the backfill layer from the gap, and the phenomenon that the residual water is evaporated upwards and cannot permeate downwards to cause overlarge indoor humidity and generate peculiar smell is avoided; the grooves 71 are arranged to make the surface of the floor 7 uneven and have an anti-slip effect. A steel wire mesh 72 is laid between the floor 7 and the backfill layer 4, the steel wire mesh 72 is of a net structure formed by criss-cross steel bars and mutually overlapped, the area of a single formed mesh is smaller than that of a single square block formed by dividing the ground by the hollow bricks, and the supporting effect of the backfill layer 4 on the floor 7 is enhanced.

The vertical drainage pipe 6 is connected with a drainage pipe 32, one end of the drainage pipe 32 is communicated with the bottom end of the vertical drainage pipe 6, and the other end of the drainage pipe is communicated with a sewer. The vertical drainage pipe 6 comprises a primary drainage pipe 61 and a secondary drainage pipe 62, the primary drainage pipe 61 is fixed in the fixed layer 3 and the backfill layer 4, the upper end of the primary drainage pipe 61 can be communicated with the closestool, and in the embodiment, the upper end of the primary drainage pipe 61 is communicated with the floor drain 5 installed on the ground. The upper surface of the floor drain 5 is flush with the upper surface of the second waterproof layer 2, and as shown in fig. 3, the floor drain 5 comprises a shell 51 and a fixed cover plate 55. The upper part of the shell 51 is a square panel, and the center of the panel is provided with a circular cover plate slot 511; the lower part of the housing 51 is cylindrical, the inner diameter of the cylindrical housing 51 is smaller than the diameter of the cover plate groove 511, as shown in fig. 2, four water inlet grooves 512 are formed on the periphery of the cover plate groove 511, the upper parts of the water inlet grooves 512 are communicated with the upper surface of the panel, and the lower parts of the water inlet grooves 512 are communicated with the cylindrical housing 51. The bottom surface of the cylindrical outer shell 51 is provided with a round hole, the diameter of the round hole is smaller than the inner diameter of the cylinder, a cavity pipe 52 is fixed on the outer shell 51, the cavity pipe 52 is connected with the cylindrical outer shell 51 at the round hole, the upper part of the cavity pipe 52 and the outer shell 51 form a ring cavity 53, and the bottom end of the cavity pipe 52 is communicated with a sewer.

As shown in fig. 3, a fixed cover plate 55 is detachably installed in the cover plate groove 511, the fixed cover plate 55 is circular, and a vertical fixing rod 551 is fixed at the center thereof. The fixed cover plate 55 is provided with a rotating cover plate 54, as shown in fig. 2, a fixed hole 541 is formed in the center of the rotating cover plate 54, and the fixed rod 551 is rotatably connected with the fixed hole 541, so that the rotating connection between the rotating cover plate 54 and the fixed cover plate 55 is realized. The fixed cover plate 55 is provided with a plurality of strip-shaped lower-layer plate holes 552, the extending direction of the lower-layer plate holes 552 is consistent with the radial direction of the fixed cover plate 55, and the lower-layer plate holes are increased from the position close to the center of the cover plate to the edge of the cover plate; the rotary cover plate 54 is also provided with upper plate holes 542 which have the same number and shape as the lower plate holes 552 and are in one-to-one correspondence. When the rotary cover plate 54 is rotated until the lower plate hole 552 and the upper plate hole 542 are completely staggered, the fixed cover plate 55 and the rotary cover plate 54 are matched to prevent odor from diffusing to a toilet, so that the purpose of deodorization is achieved; when drainage is needed, the cover plate 54 is rotated to enable the upper plate holes 542 to be communicated with the lower plate holes 552, and water flow is discharged into a sewer through the upper plate holes 542 and the lower plate holes 552; and the area of the upper plate hole 542 communicated with the lower plate hole 552 is adjusted by rotating the cover plate 54 by an angle, so that the drainage flow is adjusted.

As shown in fig. 3, a sliding sleeve 561 is disposed at the lower portion of the fixing rod 551, a shielding case 56 is fixed at the outer side of the sliding sleeve 561, the opening end of the shielding case 56 extends into the annular cavity 53, the upper portion of the shielding case 56 is conical, and the opening is downward, so as to reduce the resistance of the shielding case 56 to water flow, thereby ensuring smooth water drainage; an annular sealing ring 562 is arranged on the inner side wall of the isolation cover 56, the lower surface of the sealing ring 562 is concave, and the upper end of the cavity tube 52 is attached to the sealing ring 562 when no water exists in the annular cavity 53, so that the sealing effect of the isolation cover 56 is enhanced; the lower part of the isolation cover 56 is cylindrical, an annular groove 564 is formed in the outer wall of the cylindrical part, an air floating ring 563 is fixedly nested on the annular groove 564, air is filled in the air floating ring 563, and the part of the air floating ring 563 extending out of the annular groove 564 is hemispherical. When water exists in the annular cavity 53, the air floating ring 563 drives the isolation cover 56 to move upwards under the action of buoyancy, but the bottom end of the isolation cover 56 is always below the water surface because the isolation cover 56 has the action of gravity, and the sewer is isolated from the upper part of the floor drain 5 by the accumulated water in the annular cavity 53 so as to achieve the effect of water sealing and deodorization; when the level of standing water in the annular cavity 53 exceeds the upper surface of the lumen 52, the water overflows into the lumen 52 and is discharged.

As shown in fig. 1, a secondary drainage pipe 62 is fixed in the fixed layer 3, and its upper end is communicated with the floor drain 5. The upper surface of the floor drain 5 and the upper surface of the fixed layer 3 are on the same horizontal plane, and a baffle 42 is fixed at the boundary of the upper surface of the floor drain 5 and the active carbon layer 41 to prevent the active carbon particles from falling off to block the floor drain 5. When residual water exists on the ground, the residual water permeates into the backfill layer 4 through the gap of the floor 7, accumulated water in the backfill layer 4 flows into the flow guide pipe 31 through the water inlet hole 311, the accumulated water collected by the flow guide pipe 31 is converged into the water inlet groove 512 and then enters the annular cavity 53 of the floor drain 5, and therefore water sealing and deodorization are achieved; when the height of the accumulated water in the annular cavity 53 exceeds the upper surface of the cavity tube 52, the accumulated water flows into the secondary drainage tube 62 for secondary drainage, the accumulated water in the backfill layer 4 is smoothly drained, and the phenomenon that the filler of the backfill layer 4 is moldy and generates peculiar smell is avoided, so that the deodorization performance of the sink type toilet drainage device is enhanced; when no accumulated water is drained into the floor drain 5 from the backfill layer 4, the purpose of deodorization is achieved through the sealing of the isolation cover 56 and the cavity pipe 52.

In the construction of the embodiment, only the first waterproof layer 1 is laid on the wall body and the bottom surface on the periphery of the toilet, the drain pipe 32 and the vertical drain pipe 6 are laid and connected according to the design requirement, then the fixed layer 3 sinking towards the center in a slope manner is formed by pouring cement, the water inlet of the secondary drain pipe 62 is arranged at the lowest position of the upper surface of the fixed layer 3, and the floor drain 5 with the deodorization function is installed; the installation steps of the floor drain 5 are as follows: firstly, fixing the outer shell 51 of the floor drain 5 on a drain pipe, and then installing a fixed cover plate 55 with a separation cover 56 and a rotary cover plate 54 in a cover plate groove 511; laying a second waterproof layer 2 on the fixed layer 3, laying a honeycomb duct 31 with a circular hole on the second waterproof layer 2, uniformly laying an activated carbon layer 41 on the periphery of the honeycomb duct 31, and installing a baffle 42 at the boundary of the activated carbon layer 41 and the floor drain 5; then laying hollow bricks 43, dividing the toilet into a plurality of square blocks by the hollow bricks 43, and backfilling ceramsite 44 in the square blocks; after the ceramsite 44 is backfilled, a steel wire mesh 72 is covered, the floor 7 is paved, and finally the floor drain 5 is installed on the primary drainage pipe 61.

Because the primary drainage pipe 61 and the secondary drainage pipe 62 are provided with the odor-resistant floor drain 5, when water needs to be drained, the water flows into the annular cavity 53 of the floor drain 5, and accumulated water in the annular cavity 53 and the isolation cover 56 form a sealing structure together, so that water sealing and odor resistance are realized; when no water is drained, the isolation cover 56 and the upper end of the cavity pipe 52 form a closed space to prevent odor in the sewer from diffusing upwards, so that the drainage device has a good deodorization function. When the ground surface has no drainage, the rotary cover plate 54 rotates until the lower plate hole 552 and the upper plate hole 542 are completely staggered, and the cooperation of the rotary cover plate 54 and the fixed cover plate 55 can also block the diffusion of odor gas, so that the deodorization effect of the drainage device is enhanced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a drainage device of formula bathroom sinks, includes fixed bed (3), backfill layer (4), floor drain (5) and drainage riser (6), drainage riser (6) bottom is equipped with drain pipe (32) with the sewer intercommunication, its characterized in that: the floor drain (5) is provided with an outer shell (51) positioned at the top end of a drainage vertical pipe (6), a cavity pipe (52) communicated with the drainage vertical pipe (6) is fixed at the bottom of the outer shell (51), an annular cavity (53) used for storing accumulated water is arranged between the cavity pipe (52) and the outer shell (51), an isolation cover (56) used for isolating peculiar smell gas is arranged in the outer shell (51), the isolation cover (56) is positioned on the upper side of the cavity pipe (52), and an air floating ring (563) suspended in the annular cavity (53) is fixedly connected to the lower portion of the isolation cover (56).

2. A drainage apparatus of a sink type toilet according to claim 1, wherein: the water drainage device is characterized in that a fixed cover plate (55) is installed on the upper portion of the shell (51), a vertical fixing rod (551) is arranged at the center of the fixed cover plate (55), a lower-layer plate hole (552) used for water leakage is formed in the fixed cover plate (55), a rotating cover plate (54) is installed on the fixed cover plate (55) in a rotating mode, a fixing hole (541) rotatably connected with the fixing rod (551) is formed in the center of the rotating cover plate (54), and an upper-layer plate hole (542) used for adjusting water drainage amount is formed in the rotating cover plate (54).

3. A drainage apparatus of a sink type toilet according to claim 1, wherein: the upper part of the isolation cover (56) is provided with a conical shape.

4. A drainage apparatus of a sink type toilet according to claim 1, wherein: an annular sealing ring (562) which is concave upwards is arranged on the inner side of the isolation cover (56).

5. A drainage apparatus of a sink type toilet according to claim 1, wherein: an annular groove (71) for nesting and installing the air floating ring (563) is formed in the outer wall of the lower portion of the isolation cover (56).

6. A drainage apparatus of a sink type toilet according to claim 1, wherein: activated carbon layer (41) have evenly been laid to the bottom of backfill layer (4), be provided with the diameter in activated carbon layer (41) and be greater than honeycomb duct (31) of activated carbon layer (41) thickness, a plurality of inlet openings (311) have been seted up to honeycomb duct (31) the part that exceeds activated carbon layer.

7. A drainage apparatus of a sink type toilet according to claim 6, wherein: the bathroom air brick (43) that divide into a plurality of blocks with the bathroom have been laid on activated carbon layer (41), a plurality of blocks in all backfill haydite (44), air brick (43) and haydite (44) upper berth are equipped with wire net (72), wire net (72) upper berth is equipped with floor (7).

8. A drainage apparatus of a sink type toilet according to claim 7, wherein: the upper surface of the floor (7) is provided with a plurality of V-shaped grooves (71).

9. A drainage apparatus of a sink type toilet according to claim 1, wherein: the periphery of the surface of the fixed layer (3) sinks towards the center by a slope to form the lowest part, and the floor drain (5) is positioned at the lowest part.