CN215802143U

CN215802143U - Secondary drainage stagnant water structure

Info

Publication number: CN215802143U
Application number: CN202121230916.8U
Authority: CN
Inventors: 赵新; 王丽霞; 王秀芳; 王泽勋; 陈柳
Original assignee: Zhejiang Yasha Decoration Co Ltd
Current assignee: Zhejiang Yasha Decoration Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-11
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a secondary drainage and water stop structure which comprises a structural concrete floor slab, a ground veneer, a floor drain, a secondary drainage joint and a drainage pipe, wherein a layered structure is arranged between the structural concrete floor slab and the ground veneer; the utility model has the beneficial effects that: 1) by adding the secondary drainage joint between the structural concrete floor slab and the ground veneer, secondary drainage can be realized, and the secondary drainage vacancy in the decoration field is made up; 2) the secondary drainage joint is provided with a water stop ring and a secondary drainage port, so that accumulated water below the surface layer is drained to the secondary drainage port to be discharged, and the water seepage path of water around the pipeline is increased; 3) the utility model has simple structure, convenient installation, economy, practicality and low cost.

Description

Secondary drainage stagnant water structure

Technical Field

The utility model relates to the technical field of building waterproof structures, in particular to a secondary drainage and water stop structure.

Background

In a room with a floor drain, particularly a shower room, the periphery of the pipe wall of a downcomer at the position of the floor drain has the phenomenon of water seepage with high probability under the long-time water using state. Although the water seepage can be controlled in a short time by the current construction technical measures, the tiny gaps on the periphery of the pipe wall can form the hidden trouble of slow water seepage after contacting water for a long time.

In the traditional water-proof process for blocking the pipe wall in a water-using room, because of the process requirement of blocking the pipe wall, a steamed bread-shaped cement mortar R-shaped model is required to be formed on the periphery of the pipe wall, and the water-proof layer forms an upper arc state along the pipe wall. The underlying substrate under the facing layer forms a stagnant zone. The accumulated water can be drained everywhere, and the waterproof layer is soaked by the water for a long time to influence the service life of the waterproof layer, so that the hidden danger of water seepage is left.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a secondary drainage water stop structure with reasonable structural design.

The technical scheme of the utility model is as follows:

a secondary drainage water stop structure comprises a structural concrete floor slab, a ground veneer, a floor drain, a secondary drainage joint and a drain pipe, wherein a layered structure is arranged between the structural concrete floor slab and the ground veneer, the secondary drainage joint is arranged in the layered structure, the top of the secondary drainage joint is communicated with the floor drain, and the bottom of the secondary drainage joint is communicated with the drain pipe.

Further, the secondary drainage connector comprises an upper connecting pipe, a lower connecting pipe and a water stop ring arranged between the upper connecting pipe and the lower connecting pipe, a secondary water outlet is formed in the outer wall of the upper connecting pipe, and the secondary water outlet is formed in the bottom of the water stop ring.

Further, the water stop ring comprises an upper annular plane, a lower annular plane and an annular inclined plane arranged between the upper annular plane and the lower annular plane.

Further, the layered structure comprises a cement mortar slope finding layer, a waterproof structure layer and a veneer installation structure layer, wherein the waterproof structure layer is arranged above the cement mortar slope finding layer, and the veneer installation structure layer is arranged above the waterproof structure layer.

Further, the waterproof structure layer comprises a waterproof layer and a cement mortar waterproof protective layer, and the cement mortar waterproof protective layer is arranged above the waterproof layer.

Furthermore, a waterproof additional layer is added at the gap between the water stop ring and the cement mortar slope layer.

Furthermore, micro-expansion concrete is poured in the hole between the drain pipe and the structural concrete floor slab, so that the hole is plugged.

Furthermore, waterproof mortar is smeared at the bottom of a water stop ring of the secondary drainage joint.

Furthermore, the veneer installation structure layer comprises a dry and hard cement mortar leveling layer and a decorative ground bonding layer, and the decorative ground bonding layer is arranged on the dry and hard cement mortar leveling layer.

Furthermore, the edge of a water stop ring of the secondary drainage joint is flush with or lower than a cement mortar slope layer.

The utility model has the beneficial effects that:

1) through increase the secondary drainage and connect between structural concrete floor and ground decorative board, can realize the secondary drainage, compensatied the decoration field secondary drainage vacancy.

2) The water stop ring is arranged on the secondary drainage joint, and the secondary drainage opening is formed, so that accumulated water below the surface layer is drained to the secondary drainage opening to be discharged, and a water seepage path of water around the pipeline is increased.

3) The utility model has simple structure, convenient installation, economy, practicality and low cost.

Drawings

FIG. 1 is a schematic view of the mounting structure of the present invention;

FIG. 2 is a schematic view of the structure of the secondary water discharge joint of the present invention in elevation;

FIG. 3 is a schematic three-dimensional structure of a secondary drainage fitting of the present invention;

in the figure: 1. a floor drain; 2. a floor veneer; 3. decorating the ground adhesive layer; 4. leveling layer of dry and hard cement mortar; 5. a cement mortar waterproof protective layer; 6. a waterproof layer; 7. cement mortar slope finding layer; 8. a structural concrete floor; 9. a secondary water drainage joint; 901. an upper connecting pipe; 902. a lower connecting pipe; 903. an upper annular flat surface; 904. an annular bevel; 905. a lower annular plane; 10. micro-expansive concrete; 11. a drain pipe; 12. a secondary water discharge opening; 13. and (7) a plug.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-3, a secondary drainage and water stop structure comprises a floor drain 1, a ground facing 2, a decorative ground bonding layer 3, a dry and hard cement mortar leveling layer 4, a cement mortar waterproof layer 5, a waterproof layer 6, a cement mortar slope-finding layer 7, a structural concrete floor slab 8, a secondary drainage joint 9, micro-expansion concrete 10, a drainage pipe 11, a secondary drainage port 12 and a detachable plug 13.

Example (b):

the secondary drainage water stop structure is characterized in that a layered structure is arranged between a structural concrete floor slab 8 and a ground veneer 2, a secondary drainage joint 9 is arranged in the layered structure, the top of the secondary drainage joint 9 is communicated with a floor drain 1, and the bottom of the secondary drainage joint 9 is communicated with a drainage pipe 11; the accumulated water below the surface layer is discharged.

The layered structure comprises a cement mortar slope-finding layer 7, a waterproof structure layer and a veneer installation structure layer, wherein the waterproof structure layer is arranged above the cement mortar slope-finding layer 7, and the veneer installation structure layer is arranged above the waterproof structure layer; the waterproof structure layer comprises a waterproof layer 6 and a cement mortar waterproof protective layer 5, and the cement mortar waterproof protective layer 5 is arranged above the waterproof layer 6; the veneer mounting structure layer comprises a dry and hard cement mortar leveling layer 4 and a decorative ground bonding layer 3, and the decorative ground bonding layer 3 is arranged on the dry and hard cement mortar leveling layer 4.

In the embodiment, the waterproof additional layer is added at the gap between the water stop ring and the cement mortar slope layer 7, so that the waterproof effect is improved; and pouring micro-expansion concrete 10 in the hole between the drain pipe 11 and the structural concrete floor slab 8 to realize plugging of the hole.

The secondary drainage joint 9 comprises an upper connecting pipe 901, a lower connecting pipe 902 and a water stop ring arranged between the upper connecting pipe 901 and the lower connecting pipe 902, wherein a secondary drainage opening 12 is formed in the outer wall of the upper connecting pipe 901, and the secondary drainage opening 12 is arranged at the bottom of the water stop ring; the water stop ring comprises an upper annular plane 903, a lower annular plane 905 and an annular inclined plane 904 arranged between the upper annular plane 903 and the lower annular plane 905.

When the secondary drainage joint 9 is installed, the edge of the water stop ring is flush or lower than the cement mortar slope layer 7, and when the water stop ring of the secondary drainage joint 9 is bonded, a layer of waterproof mortar is smeared at the bottom for bonding.

The construction process comprises the following steps:

the process flow comprises the following steps: the method comprises the steps of drilling a reinforced concrete floor slab → roughening a hole wall → arranging a drain pipe → blocking a gap with micro-expansive concrete twice → finding a slope with cement mortar → bonding a secondary drainage joint → painting a waterproof layer and a waterproof additional layer → a cement mortar waterproof protective layer → a dry and hard cement mortar leveling layer → a decorative ground bonding layer → a ground veneer → installing a floor drain.

A water drainage pipe: when the drain pipe is pre-buried, can according to the on-the-spot condition with the drain pipe mouth of pipe higher than about 50mm ground veneer and seal it before carrying out next process and handle to it, in order to prevent to cause the jam of pipeline when carrying out cement mortar and looking for a slope.

Bonding a secondary drainage joint: before the joint is bonded, the root of the drain pipe needs to be cleaned, redundant drain pipes are cut, and preassembling is carried out to ensure that the edge of the joint water stop ring is flush or slightly lower than a cement mortar slope layer. When in bonding, a waterproof mortar is smeared at the bottom of the water stop ring and is extruded to be compact; the joint can be used for lengthening the sewer pipe according to the height requirement of the ground finish surface on site after being installed, and the height of the joint can be about 50mm higher than the ground finish surface.

Painting a waterproof layer: should deal with the pipeline periphery and clear up during waterproof construction, waterproof back once is being carried out, treat before waterproof not dry connect the sealing washer and look for the gap department between the slope layer to increase waterproof additional layer, strengthen the processing to the waterproof layer, prevent that seam department waterproof layer fracture and the seepage hidden danger appears. The waterproof additional layer is a reinforcing measure for preventing the special part from being damaged by water, the additional layer is preferably made of polyester fiber non-woven fabric or alkali-resistant glass fiber mesh fabric, and the additional layer is adhered after being fully soaked with waterproof paint.

Installing a floor drain: and the plug 13 of the secondary water discharge opening of the secondary water discharge joint needs to be detached after the primary and secondary water closing tests and before the floor drain is installed. The removed plug is taken out, the removed plug is not thrown into a drainage pipeline, and the floor drain is installed after the plug 13 is taken out.

Claims

1. The utility model provides a secondary drainage stagnant water structure, its characterized in that includes structural concrete floor (8), ground decorative panel (2), floor drain (1), secondary drainage connects (9) and drain pipe (11), be equipped with the lamellar structure between structural concrete floor (8) and ground decorative panel (2), secondary drainage connects (9) and sets up in the lamellar structure, secondary drainage connects (9) top and is linked together with floor drain (1), and secondary drainage connects (9) bottom and is linked together with drain pipe (11).

2. A secondary drainage and water stop structure according to claim 1, wherein the secondary drainage joint (9) comprises an upper connecting pipe (901), a lower connecting pipe (902) and a water stop ring arranged between the upper connecting pipe (901) and the lower connecting pipe (902), a secondary drainage opening (12) is formed in the outer wall of the upper connecting pipe (901), and the secondary drainage opening (12) is arranged at the bottom of the water stop ring.

3. A secondary drainage and water stop structure according to claim 2, wherein the water stop ring comprises an upper annular flat surface (903), a lower annular flat surface (905), and an annular inclined surface (904) disposed between the upper annular flat surface (903) and the lower annular flat surface (905).

4. A secondary drainage and water stop structure as claimed in claim 1, wherein the layered structure comprises a cement mortar slope layer (7), a waterproof structure layer and a veneer installation structure layer, the waterproof structure layer is arranged above the cement mortar slope layer (7), and the veneer installation structure layer is arranged above the waterproof structure layer.

5. A secondary drainage and water stop structure according to claim 4, wherein the waterproof structure layer comprises a waterproof layer (6) and a cement mortar waterproof protective layer (5), and the cement mortar waterproof protective layer (5) is arranged above the waterproof layer (6).

6. A secondary drainage stagnant water structure of claim 4, characterized in that, the gap department between waterstop circle and cement mortar layer of looking for a slope (7) increases waterproof additional layer.

7. A secondary drainage and water stop structure according to claim 1, wherein micro-expansion concrete (10) is poured in the hole between the drainage pipe (11) and the structural concrete floor (8) to block the hole.

8. A secondary drainage and water stop structure according to claim 2, characterized in that the bottom of the water stop ring of the secondary drainage joint (9) is coated with a layer of waterproof mortar.

9. A secondary drainage and water stop structure according to claim 4, wherein the veneer installation structure layer comprises a dry and hard cement mortar leveling layer (4) and a decorative ground bonding layer (3), and the decorative ground bonding layer (3) is arranged on the dry and hard cement mortar leveling layer (4).

10. A secondary drainage waterstop structure according to claim 4, characterized in that the waterstop ring edge of the secondary drainage joint (9) is flush or lower than the cement mortar slope layer (7).