Anti-seepage structure of floor drain drainage pipe
Through the dual waterproof layer and protective pipe structure, the problem of degradation of waterproof performance of existing floor drain anti-seepage devices is solved, effective drainage and structural protection are achieved, and service life is extended.
Patent Information
- Application Number
- CN202421059397.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-15
AI Technical Summary
After the use time of existing floor drain anti-seepage devices is extended, the waterproof performance of the existing floor drain anti-seepage device will decrease, making it difficult for sewage to enter the drainage pipes, and water accumulates into the building structure, damaging the structure and shortening the service life.
Adopt a double waterproof layer structure, including the first waterproof layer and the second waterproof layer, both with slopes, and a protective pipe and a filter barrel are provided in the drainage pipe. The protective pipe is opposite to the extension, and a filter hole is provided in the filter barrel and a floor leakage is provided. Sealant is filled with a surface layer, and the vertical part of the floor drain is opposite to the extension part, forming a double waterproofing and filtration effect.
The dual waterproof effect is achieved, ensuring that the water flow enters the drainage pipe, avoids water leakage, extends the service life of the building structure, and prevents blockage through protective pipes and filter barrels, extending the service life of the drainage pipes.
Smart Images
Figure CN222275725U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of floor drains, in particular to an anti-seepage structure for a floor drain pipe. Background Art
[0002] The drainage system collects the water used by people in daily life and industrial production, and discharges it into the sewage pipe in time directly or after local treatment. The drainage pipe often needs to pass through the floor or the base. In order to prevent the accumulated water from leaking from the junction of the drainage pipe and the base, waterproofing treatment is often required.
[0003] At present, the existing patent CN203429842U discloses a bathroom floor drain anti-seepage device, the anti-seepage device is distributed around the floor drain and the sewer pipe, and the anti-seepage device includes a building structure layer, a waterproof layer, a cement mortar leveling layer, an adhesive layer and a ground decoration layer arranged horizontally from bottom to top, the lower part of the sewer pipe is buried in the building structure layer, and a waterproof mortar layer 1 is arranged in an annular manner around the part of the sewer pipe exposed from the building structure layer, and a waterproof mortar layer 2 is arranged between the floor drain and the sewer pipe, and between the floor drain and the anti-seepage device. However, as the decorative layer and the waterproof performance of the decorative layer are used for a longer time, the structure of the anti-seepage device is damaged, and accumulated water will penetrate from the top of the decorative layer into the building structure below the decorative layer. At this time, due to the slope and the way the waterproof layer is applied to the top of the pipe wall, sewage accumulates in the building structure above the waterproof layer and is difficult to enter the drainage pipe for discharge. In the long run, the building structure is damaged and the service life is greatly reduced. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model provides an anti-seepage structure for a floor drain pipe.
[0005] The utility model adopts the following technical scheme to solve the above-mentioned technical problems: a floor drain pipe anti-seepage structure, comprising a drain pipe inserted in a base floor slab, the top of the drain pipe is not higher than the top surface of the base floor slab, the top surface of the base floor slab is provided with a first waterproof layer, a second waterproof layer and a surface layer in sequence from bottom to top, the first waterproof layer, the second waterproof layer and the surface layer are all provided with reserved holes for installing the floor drain, the first waterproof layer, the second waterproof layer and the surface layer are all provided with a slope in the direction of the floor drain, the first waterproof layer extends from the base floor slab to the inner wall of the drain pipe to form an extension portion, the floor drain has a horizontal portion and a vertical portion, the vertical portion is inserted in the reserved hole and extends into the drain pipe, and the outer wall of the vertical portion abuts against the extension portion.
[0006] As a preferred solution, a protective tube is provided on the inner wall of the drain pipe, the upper end of the protective tube abuts against the lower end of the extension portion, and the vertical portion extends into the protective tube.
[0007] As a preferred solution, sealant is filled between the floor drain and the surface layer.
[0008] As a preferred solution, the slope is 2-3 degrees.
[0009] As a preferred solution, a baffle ring is provided inside the vertical part, and a filter barrel is installed on the baffle ring. The filter barrel includes a support ring and a barrel body located at the lower end of the support ring. The upper end of the barrel body is open, and a plurality of filter holes are provided on the outer wall of the barrel body. The support ring is located at the upper end of the baffle ring, and the barrel body passes through the inner ring of the baffle ring.
[0010] As a preferred solution, the surface layer is provided with a sink groove for cooperating with the horizontal part of the floor drain.
[0011] As a preferred solution, the upper end surface of the floor drain is 2 to 3 mm lower than the upper surface of the surface layer.
[0012] As a preferred solution, a tapered through groove is provided on the upper end surface of the retaining ring, the large end of the tapered through groove faces upward and the small end faces downward, and the inner diameter of the small end of the tapered groove is the same as the inner diameter of the retaining ring.
[0013] The beneficial effects of the present application are as follows: 1. The present application achieves a double waterproof effect by setting a first waterproof layer and a second waterproof layer; the first waterproof layer, the second waterproof layer and the surface layer are all provided with a slope toward the floor drain, so as to facilitate water to flow to the drain pipe and fully discharge the accumulated water; the first waterproof layer has an extension portion extending into the inner wall of the drain pipe, which can prevent the accumulated water from seeping in from the gap between the base floor slab and the drain pipe, thereby protecting the building structure and extending its service life.
[0014] 2. The present application provides a protective tube on the inner wall of the drainage pipe to prevent floor leakage water from scouring the inner wall of the drainage pipe, thereby extending the service life of the drainage pipe.
[0015] 3. This application plays a filtering role by setting up a filter barrel to prevent debris from entering the drain pipe and causing blockage in the drain pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the filter barrel of the utility model.
[0018] Markings in the figure: 1. base floor slab, 2. first waterproof layer, 21. extension part, 3. second waterproof layer, 4. surface layer, 5. floor drain, 51. horizontal part, 52. vertical part, 6. drain pipe, 7. protective pipe, 8. retaining ring, 81. conical trough, 9. filter barrel, 91. support ring, 92. barrel body. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] See also Figure 1-2 The embodiment of the utility model provides a floor drain pipe anti-seepage structure, including a drain pipe 6 penetrated in a base floor slab 1, the top of the drain pipe 6 is not higher than the top surface of the base floor slab 1, the top surface of the base floor slab 1 is provided with a first waterproof layer 2, a second waterproof layer 3 and a surface layer 4 from bottom to top, the first waterproof layer 2, the second waterproof layer 3 and the surface layer 4 are all provided with reserved holes for installing a floor drain 5, the first waterproof layer 2, the second waterproof layer 3 and the surface layer 4 are all provided with a slope toward the floor drain 5, the first waterproof layer 2 extends from the base floor slab 1 to the inner wall of the drain pipe 6 to form an extension portion 21, the floor drain 5 has a horizontal portion 51 and a vertical portion 52, the vertical portion 52 is penetrated in the reserved hole and extends into the drain pipe 6, and the outer wall of the vertical portion 52 is against the extension portion 21.
[0021] Among them, the top of the drainage pipe 6 is not higher than the top surface of the base floor 1, and a protective pipe 7 is provided on the inner wall of the drainage pipe 6. The upper end of the protective pipe 7 is abutted against the lower end of the extension part 21, and the vertical part 52 extends into the protective pipe 7. The protective pipe 7 is a PVC pipe, which is bonded to the inner wall of the drainage pipe 6 by PVC special glue. The floor drain 5 and the surface layer 4 are filled with sealant, and the slope is 2-3 degrees.
[0022] Specifically, a retaining ring 8 is provided in the vertical portion 52, and a filter barrel 9 is installed on the retaining ring 8. The filter barrel 9 includes a support ring 91 and a barrel body 92 located at the lower end of the support ring 91. The upper end of the barrel body 92 is open, and a plurality of filter holes are provided on the outer wall of the barrel body 92. The support ring 91 is located at the upper end of the retaining ring 8, and the barrel body 92 passes through the inner circle of the retaining ring 8. The bottom surface of the support ring 91 abuts against the top surface of the retaining ring 8. It should be noted that the parts not described in detail in this application are all prior arts.
[0023] In addition, the surface layer 4 is provided with a sink groove for cooperating with the horizontal portion 51 of the floor drain 5 , and the upper end surface of the floor drain 5 is 2 to 3 mm lower than the upper surface of the surface layer 4 .
[0024] The present application achieves a double waterproof effect by providing a first waterproof layer 2 and a second waterproof layer 3; the first waterproof layer 2, the second waterproof layer 3 and the surface layer 4 are all provided with a slope toward the floor drain, so as to facilitate water to flow toward the drain pipe 6 and fully discharge the accumulated water; the first waterproof layer 2 has an extension portion 21 extending into the inner wall of the drain pipe, which can prevent the accumulated water from seeping in from the gap between the base floor slab and the drain pipe, thereby protecting the building structure and extending its service life.
[0025] Of course, the present invention is not limited to the above-described implementations. Several other implementations based on the design concept of the present invention are provided below.
[0026] For example, in other embodiments, different from the above-described embodiments, Figure 2 As shown, the upper end surface of the retaining ring 8 is provided with a tapered through groove, the large end of the tapered through groove faces upward and the small end faces downward, and the inner diameter of the small end of the tapered recessed groove 81 is the same as the inner diameter of the retaining ring 8.
[0027] For example, in other embodiments, different from the embodiments described above, the horizontal portion 51 of the floor drain 5 is a floor drain cover, and the vertical portion 52 is a floor drain pipe. When there is water accumulation in the surface layer 4, the accumulated water can flow toward the vertical portion 52 along the slope of the second waterproof layer 3, and flow toward the drain pipe 6 along the outer wall of the vertical portion 52 to fully discharge the accumulated water. When the second waterproof layer 3 is damaged for a long time, there is water accumulation in the second waterproof layer 3. The accumulated water can flow toward the vertical portion 52 along the slope of the first waterproof layer 2, and flow toward the drain pipe 6 along the outer wall of the vertical portion 52 to fully discharge the accumulated water. The first waterproof layer 2 and the second waterproof layer 3 play a role of double protection.
[0028] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model fall within the protection scope of the present utility model.
Claims
1. A floor drain pipe anti-seepage structure, comprising a drain pipe (6) inserted into a base floor slab (1), the top of the drain pipe (6) being no higher than the top surface of the base floor slab (1), the top surface of the base floor slab (1) being provided with a first waterproof layer (2), a second waterproof layer (3) and a surface layer (4) in sequence from bottom to top, the first waterproof layer (2), the second waterproof layer (3) and the surface layer (4) being provided with a reserved hole for installing a floor drain (5), characterized in that: The first waterproof layer (2), the second waterproof layer (3) and the surface layer (4) are all provided with a slope in the direction of the floor drain (5); the first waterproof layer (2) extends from the base floor slab (1) to the inner wall of the drainage pipe (6) to form an extension portion (21); the floor drain (5) comprises a horizontal portion (51) and a vertical portion (52); the vertical portion (52) is penetrated in the reserved hole and extends into the drainage pipe (6); the outer wall of the vertical portion (52) abuts against the extension portion (21).
2. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: A protective pipe (7) is provided on the inner wall of the drainage pipe (6), the upper end of the protective pipe (7) abuts against the lower end of the extension portion (21), and the vertical portion (52) extends into the protective pipe (7).
3. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: A sealant is filled between the floor drain (5) and the surface layer (4).
4. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: The slope is 2-3 degrees.
5. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: A retaining ring (8) is provided in the vertical portion (52), a filter barrel (9) is mounted on the retaining ring (8), the filter barrel (9) comprises a support ring (91) and a barrel body (92) located at the lower end of the support ring (91), the upper end of the barrel body (92) is open, a plurality of filter holes are provided on the outer wall of the barrel body (92), the support ring (91) is located at the upper end of the retaining ring (8), and the barrel body (92) passes through the inner ring of the retaining ring (8).
6. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: The surface layer (4) is provided with a sink groove for cooperating with the horizontal portion (51) of the floor drain (5).
7. The anti-seepage structure of a floor drain pipe according to claim 1, characterized in that: The upper end surface of the floor drain (5) is 2 to 3 mm lower than the upper surface of the surface layer (4).
8. The anti-seepage structure of a floor drain pipe according to claim 5, characterized in that: The upper end surface of the retaining ring (8) is provided with a tapered through groove, the large end of the tapered through groove faces upward and the small end faces downward, and the inner diameter of the small end of the tapered recessed groove (81) is the same as the inner diameter of the retaining ring (8).