CN215563181U

CN215563181U - Leakage-proof structure

Info

Publication number: CN215563181U
Application number: CN202121240216.7U
Authority: CN
Inventors: 张驰; 黄建国; 缪海燕; 金星; 丁骥
Original assignee: Suzhou Holly Mate Decoration Co ltd
Current assignee: Suzhou Holly Mate Decoration Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-18
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to a leakage-proof structure which comprises a building floor slab, a drain pipe and a floor drain, wherein the drain pipe is arranged in a mounting hole in the building floor slab in a penetrating manner, the floor drain is arranged at the top in the mounting hole and is communicated with the drain pipe, the leakage-proof structure also comprises a water collecting piece which is used for abutting against the bottom of the building floor slab and is communicated with the mounting hole, a through hole is formed in the water collecting piece along the axial direction of the drain pipe, the water collecting piece is sleeved on the drain pipe through the through hole, and a backflow hole communicated with the water collecting piece is formed in the pipe wall of the drain pipe. According to the leakage-proof structure, after a gap is formed between the mounting hole and the drain pipe, the falling water at the gap between the drain pipe and the mounting hole is collected through the water collecting piece, and then flows back to the drain pipe through the backflow hole to be normally discharged, so that a complex repairing process during leakage can be avoided, and the cost is reduced.

Description

Leakage-proof structure

Technical Field

The utility model relates to the technical field of floor drains, in particular to a leakage-proof structure.

Background

The floor drain is an important interface for connecting a drainage pipeline system and the indoor ground, is an important part of a drainage system in a house, and directly influences the quality of indoor air due to the performance of the floor drain.

The floor drain leaks mainly because tubular product and ground seam crossing clearance are big, can lead to the problem of seepage when the water yield is too big, ponding phenomenon, and the waterproof layer is for laying again and change the ceramic tile mostly to current processing mode, not only wastes time and energy, and the cost of repairing is higher moreover.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to provide a leakage-proof structure which is convenient to install and low in cost.

In order to solve the technical problem, the utility model provides a leakage-proof structure which comprises a building floor slab, a drain pipe and a floor drain, wherein the drain pipe is arranged in a mounting hole in the building floor slab in a penetrating manner, the floor drain is arranged at the top in the mounting hole and is communicated with the drain pipe, the leakage-proof structure also comprises a water collecting piece which is used for abutting against the bottom of the building floor slab and is communicated with the mounting hole, a through hole is formed in the water collecting piece along the axial direction of the drain pipe, the water collecting piece is sleeved on the drain pipe through the through hole, and a backflow hole communicated with the water collecting piece is formed in the pipe wall of the drain pipe.

As a further improvement of the utility model, the backflow hole is positioned on the drain pipe at the same level with the bottom of the water collecting piece.

As a further improvement of the utility model, the pipe wall of the drain pipe is also provided with an annular drainage groove, and the backflow hole is arranged in the drainage groove.

As a further improvement of the utility model, the water collector further comprises a sealing element arranged at the bottom of the water collecting piece and a downpipe, wherein the downpipe is connected with the drain pipe, and the sealing element is arranged at the joint of the water collecting piece and the downpipe.

As a further improvement of the utility model, the bottom of the water collecting piece and the top of the downpipe are both provided with external threads, and the inner wall of the sealing piece is provided with internal threads matched with the external threads.

As a further improvement of the utility model, the bottom of the building floor slab is provided with an inward-concave water stop groove.

As a further improvement of the utility model, the water collecting piece is a funnel, and the funnel is sleeved on the drain pipe.

As a further improvement of the utility model, the building floor slab is sequentially provided with a leveling layer, a waterproof protective layer, a pasting layer and a surface layer, the surface layer is flush with the floor drain, and the waterproof protective layer is connected with the surface layer through the pasting layer.

As a further improvement of the utility model, the floor drain is arranged on the top of the mounting hole and comprises a panel, a side plate and a filter element, wherein the side plate forms a cavity around the panel, the filter element is arranged in the cavity, and the cavity is communicated with the drain pipe through the filter element.

As a further improvement of the utility model, a downpipe is arranged between the panel and the side plate and is communicated with the cavity through a filter screen.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the leakage-proof structure, after a gap is formed between the mounting hole and the drain pipe, the falling water at the gap between the drain pipe and the mounting hole is collected through the water collecting piece, and then flows back to the drain pipe through the backflow hole to be normally discharged, so that a complex repairing process during leakage can be avoided, and the cost is reduced.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a leakage preventing structure of a floor drain in a preferred embodiment of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

The specification reference numbers indicate: 1. a drain pipe; 2. building a floor slab; 3. a water collection member; 4. a return orifice; 5. a drainage groove; 6. a seal member; 7. a downpipe; 8. a water stopping tank; 9. leveling layer; 10. a waterproof protective layer; 11. a bonding layer; 12. a surface layer; 13. a panel; 14. a side plate; 15. a filter member; 16. a cavity; 17. a downpipe; 18. and (5) filtering by using a filter screen.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first," "second," "third," and the like in the description herein do not denote any particular quantity or order, but rather are used to distinguish one element from another.

In some embodiments, referring to fig. 1, the leakage-proof structure of the present invention includes a building floor 2, a drain pipe 1, and a floor drain, wherein the drain pipe 1 is inserted into a mounting hole on the building floor 2, the floor drain is disposed on the top of the mounting hole and is communicated with the drain pipe 1, the leakage-proof structure further includes a water collecting member for abutting against the bottom of the building floor 2 and is communicated with the mounting hole, the water collecting member 3 is provided with a through hole along the axial direction of the drain pipe 1, the water collecting member 3 is sleeved on the drain pipe 1 through the through hole, and a backflow hole 4 communicated with the water collecting member 3 is disposed on the pipe wall of the drain pipe 1. After there is the clearance between drain pipe 1 and the mounting hole, partly water can be left from the clearance, in unable normal entering drain pipe 1, at this moment, fall into water along drain pipe 1's outer pipe wall inflow water-collecting member 3 in to pile up at the bottom in water-collecting member 3, pile up certain water level height as it, reach backflow hole 4 back, ponding through backflow hole 4 backward flow to drain pipe 1 in, the water that will reveal passes through drain pipe 1 and normally discharges. It should be noted that, because the water collecting piece 3 is sleeved on the water discharging pipe 1, and the top of the water collecting piece is abutted against the building floor slab 2, the inner cavity of the water collecting piece is a closed cavity, so that secondary leakage can be avoided, and a complex repairing process during leakage is avoided.

In one embodiment, referring to fig. 1, the return holes 4 are located on the drain pipe 1 flush with the bottom of the water collection member 3. Set up backward flow hole 4 in the bottom department that is close to water collecting part 3 as far as possible for inside ponding can flow back to drain pipe 1 through backward flow hole 4 when the water level is lower in, avoid ponding too much to lead to water collecting part 3 and building floor 2 being connected to drop. It should be noted that the number of the backflow holes 4 is preferably at least four, if four, the included angles of the four backflow holes 4 are all 90 ° to achieve the best flow efficiency, and if more than four, the remaining backflow holes 4 are only arranged at the included angle level part under the condition of ensuring that the included angles of the four backflow holes 4 are all 90 °.

Preferably, referring to fig. 1, the wall of the drain pipe 1 is further provided with an annular drainage groove 5, and the backflow hole 4 is arranged in the drainage groove 5. Can guide ponding flow direction backward flow hole 4 through drainage groove 5, further improve backward flow efficiency.

In some embodiments, referring to fig. 1, the water collecting device further comprises a sealing member 6 and a downpipe 7 which are arranged at the bottom of the water collecting member 3, wherein the downpipe 7 is connected with the drain pipe 1, and the sealing member 6 is arranged at the joint of the water collecting member 3 and the downpipe 7. The bottom and the pipe in the water 7 intercommunication of drain pipe 1 to sealed through sealing member 6 with the junction of drain pipe 1 and pipe in the water 7, when installation drain pipe 1, earlier install the back on drain pipe 1 with catchment piece 3, the rethread sealing member 6 is connected drain pipe 1 and pipe in the water 7, makes the installation of drain pipe 1 and sealing member 6 more convenient.

In one embodiment, referring to fig. 1, the bottom of the water collecting member 3 and the top of the downpipe 7 are both provided with external threads, and the inner wall of the sealing member 6 is provided with internal threads matching with the external threads. Through assorted external screw thread and internal thread, can directly be connected pipe in water 7 and collecting device 3 with sealing member 6 respectively for pipe in water 7 and collecting device 3 are more convenient with being connected of sealing member 6.

In some embodiments, referring to fig. 1, the bottom of the building floor 2 is provided with an inwardly recessed water stop groove 8. The accumulated water leaked from the gap between the mounting hole and the drain pipe 1 is intercepted, and the accumulated water is prevented from transversely flowing to other positions of the building floor slab 2.

Preferably, referring to fig. 1, the water collecting member 3 is a funnel, and the funnel is sleeved on the water discharging pipe 1. The funnel processing is convenient, the installation is simple, and it is sealed with drain pipe 1 with catchment piece 3 also to be convenient for simultaneously.

In some embodiments, referring to fig. 1, a leveling layer 9, a waterproof protective layer 10, an adhesive layer 11 and a surface layer 12 are sequentially arranged on a building floor 2, the surface layer 12 is flush with the floor drain, and the waterproof protective layer 10 is connected with the surface layer 12 through the adhesive layer 11. Polyurethane waterproof paint is coated between the leveling layer 9 and the waterproof protective layer 10, and the adhesive layer 11 is composed of dry and hard cement mortar with the thickness of 40mm and 20% of adhesive and is used for bonding the surface layer 12 and the waterproof protective layer 10.

In some embodiments, referring to fig. 1-2, the floor drain is arranged on top of the mounting hole, the floor drain comprises a face plate 13, a side plate 14 and a filter member 15, the side plate 14 forms a cavity 16 around the face plate 13, the filter member 15 is arranged in the cavity 16, and the cavity 16 is communicated with the drain pipe 1 through the filter member 15. Water on the floor of the room flows through the panel 13 into the cavity 16 and then through the filter element 15 to the drain pipe 1.

In one embodiment, referring to fig. 1-2, a downspout duct 17 is provided between the face plate 13 and the side plate 14, the downspout duct 17 communicating with the cavity 16 through a screen 18. The water on the floor of the room will also flow through the downpipe 17 to the sieve 18 and through the sieve 18 into the cavity 16 and finally through the filter element 15 to the drain 1.

The working principle of the utility model is as follows:

water on the surface layer 12 flows to the cavity 16 through the panel 13, the downpipe 17 and the filter screen 18, and enters the drain pipe 1 through the filter piece 15, after a gap exists between the drain pipe 1 and the mounting hole, a part of water is left from the gap and flows downwards along the outer wall of the drain pipe 1, when the water flows to the building floor 2, the water stopping groove 8 intercepts water flow, so that the water flow continues to flow downwards into the water collecting piece 3, the water collecting piece 3 accumulates the water to a certain water level, the water flow is guided into the backflow hole 4 through the drainage groove 5, so that the accumulated water flows back into the drain pipe 1 through the backflow hole 4 and finally flows into the downpipe 7, the connection part of the water collecting piece 3 and the downpipe 7 is sealed through the sealing piece 6, and the leakage of the accumulated water in the water collecting piece 3 along the outer wall of the downpipe 7 is avoided.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. The utility model provides a leak protection structure, includes building floor, drain pipe and floor drain, the drain pipe is worn to locate in the mounting hole on the building floor, the floor drain sets up top in the mounting hole and with drain pipe intercommunication, its characterized in that: still including being used for the butt building floor's bottom and with the piece that catchments of mounting hole intercommunication, the piece that catchments is equipped with the through-hole along the axial of drain pipe, the piece that catchments passes through the through-hole cover is established on the drain pipe, be equipped with on the pipe wall of drain pipe with the backward flow hole of catchments intercommunication.

2. The leak-proof structure as claimed in claim 1, wherein: the backflow hole is located on the drain pipe and is flush with the bottom of the water collecting piece.

3. The leak-proof structure as claimed in claim 1, wherein: the pipe wall of the drain pipe is also provided with an annular drainage groove, and the backflow hole is arranged in the drainage groove.

4. The leak-proof structure as claimed in claim 1, wherein: the water collecting device further comprises a sealing element and a downpipe, wherein the sealing element and the downpipe are arranged at the bottom of the water collecting element, the downpipe is connected with the water discharging pipe, and the sealing element is arranged at the connecting position of the water collecting element and the downpipe.

5. The leak-proof structure according to claim 4, wherein: the bottom of the water collecting piece and the top of the downpipe are both provided with external threads, and the inner wall of the sealing piece is provided with internal threads matched with the external threads.

6. The leak-proof structure as claimed in claim 1, wherein: and the bottom of the building floor slab is provided with an inwards-sunken water stop groove.

7. The leak-proof structure as claimed in claim 1, wherein: the water collecting piece is a funnel, and the funnel is sleeved on the water discharging pipe.

8. The leak-proof structure as claimed in claim 1, wherein: the building floor is sequentially provided with a leveling layer, a waterproof protective layer, a pasting layer and a surface layer, the surface layer is flush with the floor drain, and the waterproof protective layer is connected with the surface layer through the pasting layer.

9. The leak-proof structure as claimed in claim 1, wherein: the floor drain sets up the top of mounting hole, the floor drain includes panel, curb plate and filters the piece, the curb plate centers on the panel forms the cavity, it sets up to filter the piece in the cavity, the cavity passes through filter with the drain pipe intercommunication.

10. The leak-proof structure as claimed in claim 9, wherein: and a water falling pipeline is arranged between the panel and the side plate and is communicated with the cavity through a filter screen.