CN215406336U

CN215406336U - Building drainage device

Info

Publication number: CN215406336U
Application number: CN202120774386.7U
Authority: CN
Inventors: 殷志
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-01-04
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a building drainage device, which comprises a body and a cover plate, wherein the cover plate covers the body, one side of the body is provided with a drainage vertical pipe, the other side of the body is provided with a water seal cavity, and the volume of the water seal cavity is more than 300000mm³The water seal cavity is communicated with the vertical drainage pipe in waterThe water seal is formed in the sealing cavity, the drainage inlet and the water seepage inlet are formed in the cover plate, the water sealing cavity is located below the drainage inlet, the first water drainage pipe is arranged in the water sealing cavity, the water sealing structure is formed by the first water drainage pipe and the water sealing cavity, the water seepage inlet is communicated with the first water drainage pipe, and the water seepage inlet is not higher than the drainage inlet. The utility model solves the problem of water seepage of the building drainage system and prevents seepage water from permeating into the lower layer from cracks generated by thermal expansion and cold contraction of the building drainage device and the concrete floor. The active water seepage and drainage water seal and the transverse branch pipe drainage water seal share one water seal technical scheme, so that the water seal is prevented from being dried and losing efficacy.

Description

Building drainage device

Technical Field

The utility model relates to the field of building drainage, in particular to a building drainage device.

Background

At present, building drainage collectors are generally applied to toilets, kitchens and balconies, and are generally pre-embedded in concrete floors, waterproof layers are laid on the concrete floors, bonding layers are arranged on the waterproof layers, and decorative layers such as ceramic boards and the like are laid on the bonding layers. Because the collision coefficients of the sanitary ware, the drainage pipeline and the concrete are inconsistent, accumulated water on the ground can permeate into the bonding layer from the decorative layer to form accumulated water which can not be discharged, and peculiar smell is generated due to bacterial fermentation for a long time. Meanwhile, the concrete floor and the drainage device are made of different materials, the coefficients of expansion with heat and contraction with cold are different, cracks can be formed on the matching surface of the concrete floor and the drainage device, and accumulated water in the combining layer can permeate into the lower-layer space from the cracks. In the prior art, a waterproof wing ring is generally arranged on a drainage device, so that water seepage is passively prevented, and water is prevented from permeating into a lower-layer space. Therefore, how to solve the problem of water seepage in a building drainage system, no leakage and no odor are achieved, a better home environment is provided, and the problem of urgent solution of the existing building drainage is solved.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a building drainage device, which adopts an active drainage method to solve the problem of water seepage in a building drainage system.

In one aspect, the utility model provides a building drainage device, which comprises a body and a cover plate, wherein the cover plate covers the body, one side of the body is provided with a drainage vertical pipe, the other side of the body is provided with a water seal cavity, and the volume of the water seal cavity is more than 300000mm³The water seal cavity is communicated with the drainage vertical pipe, a water seal is formed in the water seal cavity, a drainage inlet and a water seepage inlet are arranged on the cover plate, the water seal cavity is located below the drainage inlet, a first sewer pipe is arranged in the water seal cavity, the first sewer pipe and the water seal cavity form a water seal structure, the water seepage inlet is communicated with the first sewer pipe, and the water seepage inlet is not higher than the drainage inlet.

In a further technical scheme, a circle of water drainage grooves are formed in the cover plate, the water drainage grooves surround the periphery of the water drainage vertical pipe and the periphery of the water seal cavity, and the water drainage grooves are communicated with the water seepage inlet.

In further technical scheme, horizontal pipe is generally installing certain slope, and the ponding that infiltrates the anchor coat can be along a plurality of horizontal pipe outer walls and in the waterproof layer flows to the water drainage tank, in order to make ponding discharge fast, prevents the deposit infiltration. The cover plate is provided with a first slope surface for draining water to the water drainage groove, the water drainage groove is internally provided with a second slope surface for draining water to the first downcomer, the first downcomer is internally provided with a drainage non-return device, and the top of the first downcomer is provided with a grate.

In order to rapidly flush water in the water seal cavity, in a further technical scheme, a water seal pipe is arranged in the water seal cavity, a first water seal height H1 is formed between the top of the water seal pipe and the bottom of a first lower water pipe, the height of H1 is 50-150mm, the first lower water pipe is positioned between the water seal pipe and the inner wall of the water seal cavity, and a first slope way and a second slope way are arranged between the water seal pipe and the inner wall of the water seal cavity; the first slope way and the second slope way are communicated from two sides of the first lower water pipe and collected around the water seal pipe to stop the drainage vertical pipe; the highest points of the first slope way and the second slope way are positioned at two sides of the first downpipe.

In order to further enable water in the water seal cavity to be rapidly flushed out, in a further technical scheme, the first slope way and the second slope way are of inner arc structures, and the inner arc angle is positive 2-90 degrees.

In order to facilitate the connection of the upper drainage vertical pipe and an upper drainage vertical pipe interface of a building drainage device, in a further technical scheme, a gathering section channel is formed at the communication position of the drainage vertical pipe and a water seal cavity, an eccentric pipe is installed in the drainage vertical pipe, the bottom of the eccentric pipe is higher than the inner bottom surface of the drainage vertical pipe, a drainage fall height H3 is formed between the inner bottom surface of the drainage vertical pipe and the top of the water seal pipe, the height H3 is 50-150mm, and the volume of the water seal cavity is more than 300000mm³So that the vertical drainage pipe cannot be drained when a siphon effect is formed during quick drainage, and the water seal is invalid; the body is provided with a lower drainage vertical pipe joint, the upper part of one side of the cover plate is provided with an upper drainage vertical pipe joint, and the lower drainage vertical pipe joint is communicated with the upper drainage vertical pipe joint up and down; the first excircle of eccentric pipe and the cooperation of last drainage riser interface, the interior circle of eccentric pipe and the first excircle of eccentric pipe are eccentric.

In order to increase the drainage flow and enable water flow to flow out along the periphery of the drainage vertical pipe and prevent the realization of a nappe, in the further technical scheme, the lower part of the eccentric pipe is a second excircle, an annular channel is formed between the second excircle of the eccentric pipe and the inner circle of the drainage vertical pipe, and the annular channel is communicated with the collecting section channel.

In a further technical scheme, a multi-channel drainage device is installed on a drainage inlet, a second sewer pipe is arranged below the multi-channel drainage device and is positioned in a water sealing pipe, a second water sealing height H2 is formed between the top of the water sealing pipe and the bottom of the second sewer pipe, the height of H2 is 50-150mm, at least two transverse branch pipe connectors are arranged above the multi-channel drainage device, and the transverse branch pipe connectors are higher than a drainage groove; the periphery of the body is provided with a waterproof wing ring and a lock catch, and the cover plate is covered above the body through the lock catch.

In a further technical scheme, the body and the cover plate are buried in a concrete floor slab, a waterproof layer covers the concrete floor slab, the multi-channel drainage device is connected with a plurality of transverse branch pipes, and a vertical drainage pipe is connected above the vertical drainage pipe; the multi-channel drainage device and the upper drainage vertical pipe are wrapped by the decorative wall to form a pipe well; the plurality of transverse branch pipes are positioned above the waterproof layer, the bonding layer is laid above the waterproof layer, the decorative layer is arranged above the bonding layer, and the decorative layer covers the plurality of transverse branch pipes; when the surface water permeates the bonding layer, the water flows into the drainage groove along the outer walls of the plurality of transverse branch pipes and the waterproof layer, and flows into the water sealing cavity through the drainage groove.

Compared with the prior art, the building drainage device has the beneficial effects that:

1. by adopting an active water seepage and drainage method, the transverse branch pipes are generally provided with a certain gradient, and accumulated water seeping into the bonding layer flows into the drainage channel along the outer walls of the plurality of transverse branch pipes and the waterproof layer. The water seepage guide function of the outer wall of the transverse branch pipe is fully utilized, and the water seepage problem in a building drainage system is solved in the water seepage guide drainage groove in a distance.

2. The active water seepage and drainage water seal is easy to dry and lose efficacy due to little water quantity of the active water seepage and drainage water seal, and in order to prevent the water seal from drying and losing efficacy, the active water seepage and drainage water seal and the transverse branch pipe drainage water seal share one water seal technical scheme.

3. In order to enable water in the water seal cavity to be rapidly flushed out, a first slope way and a second slope way are arranged in the water seal cavity, the first slope way and the second slope way are of inner arc structures, and the inner arc angle is positive 2-90 degrees.

4. In order to increase the drainage flow of the gathering section channel and enable water flow to flow out along the periphery of the drainage vertical pipe and prevent the realization of a nappe, an annular channel is formed between the second outer circle of the eccentric pipe and the inner circle of the drainage vertical pipe and is communicated with the gathering section channel.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a drainage device for buildings according to the present invention;

FIG. 2 is a cross-sectional view of a building drainage assembly of the present invention;

FIG. 3 is a top view of the present invention building drain;

FIG. 4 is a right side view of the building drain of the present invention;

FIG. 5 is a top view of the body of the building drainage device of the present invention;

fig. 6 is a schematic view illustrating the installation of the drainage device for buildings according to the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in figures 1 and 2, the preferred building drainage device of the utility model comprises a body 1 and a cover plate 2, wherein the cover plate 2 covers the body 1, one side of the body 1 is a drainage vertical pipe 10, the other side of the body 1 is a water sealing cavity 11, and the volume of the water sealing cavity is more than 300000mm³The water-sealing cavity 11 is communicated with the vertical drainage pipe 10, a gathering section channel 16 is formed at the communication position of the vertical drainage pipe 10 and the water-sealing cavity 11, a waterproof wing ring 19 and a lock catch 18 are arranged around the periphery of the body 1, and the cover plate 2 is covered above the body 1 through the lock catch 18 (as shown in fig. 4). The body 1 and the cover plate 2 may also be integrally formed.

The cover plate 2 is provided with a drainage inlet 21 and a seepage inlet 23, and the seepage inlet 23 is not higher than the drainage inlet 21. The water seal cavity 11 is located below the drainage inlet 21, a circle of drainage grooves 20 are arranged on the cover plate 2, the drainage grooves 20 surround the drainage vertical pipe 10 and the periphery of the water seal cavity 11, and the drainage grooves 20 are communicated with the water seepage inlet 23. A first downcomer 12 is arranged in the water seal cavity 11, the first downcomer 12 and the water seal cavity 11 form a water seal structure, and the water seepage inlet 23 is communicated with the first downcomer 12. A first slope 22 (as shown in fig. 3) for discharging water to the drain groove 20 is provided in the cover plate 2, a second slope for discharging water to the first downcomer 12 is provided in the drain groove 20, the drain non-return device 6 is installed in the first downcomer 12, and the grate 5 is installed on the top of the first downcomer 12.

A water seal pipe 13 is arranged in the water seal cavity 11, a first water seal height H1 is formed between the top of the water seal pipe 13 and the bottom of a first lower water pipe 12, the height H1 is 50-150mm, the first lower water pipe 12 is positioned between the water seal pipe 13 and the inner wall of the water seal cavity 11, and a first slope way channel 14 and a second slope way channel 15 are arranged between the water seal pipe 13 and the inner wall of the water seal cavity 11 (as shown in figure 5); the first slope way channel 14 and the second slope way channel 15 are gathered around the water seal pipe 13 from two sides of the first lower water pipe 12 and then stop draining the vertical pipe 10; the highest points of the first slope way channel 14 and the second slope way channel 15 are positioned at two sides of the first downpipe 12. The first ramp channel 14 and the second ramp channel 15 are of an inner arc structure, and the inner arc angle is positive 2-90 degrees (as shown in fig. 4).

An eccentric pipe 3 is arranged in the vertical drainage pipe 10, the bottom of the eccentric pipe 3 is higher than the inner bottom surface of the vertical drainage pipe 10, a drainage fall height H3 is formed between the inner bottom surface of the vertical drainage pipe 10 and the top of the water seal pipe 13, and the height H3 is 50-150 mm; the main body 1 is provided with a lower drainage vertical pipe joint connected with a lower drainage vertical pipe 100, the upper part of one side of the cover plate 2 is provided with an upper drainage vertical pipe joint connected with an upper drainage vertical pipe 101 (as shown in fig. 6). The lower drainage vertical pipe joint is communicated with the upper drainage vertical pipe joint up and down; the first excircle of eccentric pipe 3 and the cooperation of last drainage riser interface, the interior circle of eccentric pipe 3 and the first excircle of eccentric pipe 3 are eccentric. The lower part of the eccentric pipe 3 is a second excircle, an annular channel 17 is formed between the second excircle of the eccentric pipe 3 and the inner circle of the vertical drainage pipe 10, and the annular channel 17 is communicated with the collecting section channel 16.

As shown in fig. 1, a multi-channel drainage device 4 is installed on a drainage inlet 21, a second downcomer 40 is arranged below the multi-channel drainage device 4, the second downcomer 40 is located in a water seal pipe 13, a second water seal height H2 is formed between the top of the water seal pipe 13 and the bottom of the second downcomer 40, the height of H2 is 50-150mm, at least two horizontal branch pipe connectors 41 are arranged above the multi-channel drainage device 4, the horizontal branch pipe connectors 41 are connected with horizontal branch pipes 104 (as shown in fig. 6), and the horizontal branch pipe connectors 41 are higher than the drainage grooves 20.

As shown in fig. 6, the body 1 and the cover plate 2 are buried in a concrete floor 102, a waterproof layer 103 is covered on the concrete floor 102, a plurality of transverse branch pipes 104 are connected to the multi-channel drainage device 4, and a drainage vertical pipe 101 is connected above the drainage vertical pipe 10; the multi-channel drainage device 4 and the upper drainage vertical pipe 101 are wrapped by the decorative wall to form a pipe well; the plurality of transverse branch pipes 104 are positioned above the waterproof layer 103, the bonding layer 105 is laid above the waterproof layer 103, the decoration layer 106 is arranged above the bonding layer 105, and the decoration layer 106 covers the plurality of transverse branch pipes 104.

The lateral branch pipes 104 are generally installed with a certain slope, the concrete floor 102 is also generally provided with a certain slope, when the ground water seeps into the bonding layer 105 from the decoration layer 106, the ground water flows into the drainage channel 20 along the outer walls of the lateral branch pipes 104 and the waterproof layer 103, and flows into the water seal cavity 11 through the drainage channel 20, the grate 5, the drainage non-return device 6 and the first downpipes 12, so that active water seepage and drainage are formed. The utility model adopts an active water seepage and drainage method, fully utilizes the function of guiding water flow of the outer wall of the transverse branch pipe 104, and introduces the remote seepage water into the drainage tank 20, thereby solving the problem of seepage water in the drainage system of the building. The waste water in the toilet flows into the water seal cavity 11 from the transverse branch pipe 104 and the multi-channel drainage device 4 in sequence. The active water seepage and drainage water seal is easy to dry and lose efficacy due to little water quantity of the active water seepage and drainage water seal, and in order to prevent the water seal from drying and losing efficacy, the utility model adopts a technical scheme that the active water seepage and drainage water seal and the transverse branch pipe drainage water seal share one water seal.

When the water level of the water seal cavity 11 reaches the water seal height, water is discharged from the water seal cavity 11, flows to the gathering section channel 16 along the first slope channel 14 and the second slope channel 15, and flows to the annular channel 17 and the drainage vertical pipe 10 after passing through the gathering section channel 16. The first slope way channel 14 and the second slope way channel 15 are of inner arc structures, the inner arc angle is positive 2-90 degrees, and water in the water seal cavity 11 can be rapidly flushed out. The structure can increase the drainage flow, so that water flows out along the periphery of the vertical drainage pipe 10, and the realization of a nappe is prevented. Therefore, in the high-rise single-riser drainage system in the prior art, the drainage and drainage quantity of the upper floor is too large, and the water tongue is easy to appear, so that the lower section of the drainage riser is in positive pressure, and the upper section of the drainage riser is in negative pressure, so that the return phenomenon of the toilet in the lower floor is caused. The building drainage device can avoid the occurrence of the nappe.

The techniques not described above are common general knowledge of the skilled person. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The building drainage device is characterized by comprising a body (1) and a cover plate (2), wherein the cover plate (2) covers the body (1), one side of the body (1) is a drainage vertical pipe (10), the other side of the body (1) is a water seal cavity (11), and the volume of the water seal cavity is larger than 300000mm³The water seal cavity (11) is communicated with the drainage vertical pipe (10), a water seal is formed in the water seal cavity (11), a drainage inlet (21) and a water seepage inlet (23) are arranged on the cover plate (2), the water seal cavity (11) is located below the drainage inlet (21), a first lower water pipe (12) is arranged in the water seal cavity (11), the first lower water pipe (12) and the water seal cavity (11) form a water seal structure, the water seepage inlet (23) is communicated with the first lower water pipe (12), and the water seepage inlet (23) is not higher than the drainage inlet (21).

2. The building drainage device according to claim 1, characterized in that a circle of drainage grooves (20) are arranged on the cover plate (2), the drainage grooves (20) surround the periphery of the drainage vertical pipe (10) and the water seal cavity (11), and the drainage grooves (20) are communicated with the water seepage inlet (23).

3. The building drainage device according to claim 2, wherein a slope for draining water to the first downcomer (12) is provided in the drainage channel (20), the drainage non-return means (6) is installed in the first downcomer (12), and the grate (5) is installed on the top of the first downcomer (12).

4. The building drainage device according to any one of claims 1 to 3, wherein a water seal pipe (13) is arranged in the water seal cavity (11), the top of the water seal pipe (13) and the bottom of the first downcomer (12) form a first water seal height H1, the height of H1 is 50mm-150mm, the first downcomer (12) is located between the water seal pipe (13) and the inner wall of the water seal cavity (11), and a first ramp channel (14) and a second ramp channel (15) are arranged between the water seal pipe (13) and the inner wall of the water seal cavity (11); the first slope way channel (14) and the second slope way channel (15) wind the water seal pipe (13) from the two sides of the first lower water pipe (12) and are collected to form a rear water stop vertical drainage pipe (10); the highest points of the first slope way channel (14) and the second slope way channel (15) are positioned at two sides of the first downpipe (12).

5. The building drainage device according to claim 4, characterized in that the first ramp channel (14) and the second ramp channel (15) are of an inner arc structure, and the inner arc angle is positive 2-90 degrees.

6. The building drainage device according to any one of claims 1 to 3, characterized in that a gathering section channel (16) is formed at the communication position of the drainage vertical pipe (10) and the water seal cavity (11), an eccentric pipe (3) is installed in the drainage vertical pipe (10), the bottom of the eccentric pipe (3) is higher than the inner bottom surface of the drainage vertical pipe (10), a drainage fall height H3 is formed between the inner bottom surface of the drainage vertical pipe (10) and the top of the water seal pipe (13), and the height of H3 is 50-150 mm; a lower drainage vertical pipe joint is arranged on the body (1), an upper drainage vertical pipe joint is arranged at the upper part of one side of the cover plate (2), and the lower drainage vertical pipe joint is communicated with the upper drainage vertical pipe joint up and down; the first excircle of the eccentric pipe (3) is matched with the upper drainage vertical pipe interface, and the inner circle of the eccentric pipe (3) is eccentric with the first excircle of the eccentric pipe (3).

7. A building drainage device according to claim 6, wherein the lower part of the eccentric pipe (3) is a second outer circle, an annular channel (17) is formed between the second outer circle of the eccentric pipe (3) and the inner circle of the vertical drainage pipe (10), and the annular channel (17) is communicated with the gathering section channel (16).

8. The building drainage device according to claim 7, characterized in that a multi-channel drainage device (4) is installed on the drainage inlet (21), a second downcomer (40) is arranged below the multi-channel drainage device (4), the second downcomer (40) is positioned in the water seal pipe (13), the top of the water seal pipe (13) and the bottom of the second downcomer (40) form a second water seal height H2, the height of H2 is 50-150mm, at least two horizontal branch pipe connectors (41) are arranged above the multi-channel drainage device (4), and the horizontal branch pipe connectors (41) are higher than the drainage groove (20); the periphery of the body (1) is provided with a waterproof wing ring (19) and a lock catch (18), and the cover plate (2) is covered above the body (1) through the lock catch (18).

9. The building drainage device according to claim 8, wherein the body (1) and the cover plate (2) are buried in a concrete floor (102), a waterproof layer (103) is covered on the concrete floor (102), a plurality of transverse branch pipes (104) are connected to the multi-channel drainage device (4), and a drainage riser pipe (101) is connected above the drainage riser pipe (10); a multi-channel drainage device (4) and an upper drainage vertical pipe (101) are wrapped by a decorative wall to form a pipe well; the plurality of transverse branch pipes (104) are positioned above the waterproof layer (103), a bonding layer (105) is laid above the waterproof layer (103), a decoration layer (106) is arranged above the bonding layer (105), and the decoration layer (106) covers the plurality of transverse branch pipes (104); when the surface water seeps into the bonding layer (105), the surface water flows into the drainage groove (20) along the outer walls of the plurality of transverse branch pipes (104) and the waterproof layer (103), and flows into the water seal cavity (11) through the drainage groove (20).