Laminated slab same-layer drainage structure of fabricated building
By using a laminated plate-like drainage structure in the bathroom of prefabricated buildings, connecting floor drains, horizontal pipes, reduced-diameter drainage tees, adjustable water sections and drainage risers, the existing plate-type drainage system has solved the problem of increasing engineering cost and hidden dangers of water accumulation, and achieved a simple structure, economical and good waterproof performance.
Patent Information
- Application Number
- CN202420579940.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-03-22
AI Technical Summary
In existing prefabricated buildings, the lowered drainage system of the bathroom increases the cost of structural engineering and floor load, and there are problems such as the accumulation of water being difficult to discharge and seepage.
The drainage structure of the same layer of the laminated plate is adopted, and a simple and economical drainage pipeline structure is formed by the overall connection of floor drain, horizontal pipe, a diversified drainage tee, adjustable water section and drainage riser, and is installed in the bathroom floor slab.
It realizes a drainage solution with simple structure, low engineering cost and convenient maintenance, avoids slab lowering construction, reduces floor loads, and improves waterproof performance and space utilization.
Smart Images
Figure CN222810131U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building drainage construction, and in particular relates to a same-layer drainage structure of a composite plate of an assembled building. Background Art
[0002] In prefabricated buildings, a non-drop-slab same-floor drainage system can achieve drainage equipment without water traps, reduce the possibility of blockage, and can be repaired on the same floor; it can make floor slabs produced in factories, reduce the design of frame beams, and increase the usable space. At present, most bathrooms use structural drop-slabs and arrange drainage pipes in the drop-slabs. This practice not only increases the cost of the structural drop-slab project, but the filling materials will also increase the floor load and increase the renovation cost of residents. In addition, the water accumulated in the drop-slab is not easy to drain, and there is a risk of water seepage. Utility Model Content
[0003] The utility model aims to provide a same-layer drainage structure of a composite plate of an assembled building which has a simple structure, low engineering cost and convenient maintenance.
[0004] The utility model is implemented as follows: a composite plate same-layer drainage structure of an assembled building comprises a composite plate prefabricated layer, a composite plate cast-in-place layer, steel bars, an adjustable water stop joint, a different-diameter drainage tee pipe, an upper drainage riser, a lower drainage riser, a horizontal pipe and a floor drain; the different-diameter drainage tee pipe has a horizontal port, an upward port and a downward port;
[0005] The cast-in-place layer of the composite slab is cast on the prefabricated layer of the composite slab, and the steel bars are embedded in the cast-in-place layer of the composite slab;
[0006] The adjustable water stop joint is embedded in the prefabricated layer of the composite board when the prefabricated layer of the composite board is manufactured;
[0007] When the cast-in-place layer of the composite slab is cast, a groove is formed according to the floor drain elevation and the drainage slope, the transverse pipe is embedded in the groove, one end of the transverse pipe is connected to the floor drain, and the other end of the transverse pipe is connected to the transverse port in the different-diameter drainage tee pipe;
[0008] The downward port of the different-diameter drainage tee is connected to the top of the adjustable water-stop joint, the top of the lower drainage riser is connected to the bottom of the adjustable water-stop joint; the bottom end of the upper drainage riser is connected to the upward port of the different-diameter drainage tee.
[0009] Furthermore, it also includes a decorative layer, which is laid on the cast-in-place layer of the composite slab and has a hole reserved at a position corresponding to the floor drain.
[0010] Furthermore, it also includes a secondary structure, the cast-in-place layer of the composite slab includes a bathroom area and a drainage pipe well area, and the secondary structure is located at the junction of the bathroom area and the drainage pipe well area.
[0011] Furthermore, the pressing groove and its surrounding area are coated with a waterproof coating.
[0012] Furthermore, the horizontal pipe is subjected to slope adjustment during installation, with the slope being directed toward the different-diameter drainage tee pipe.
[0013] Furthermore, the adjustable water stop joint, the different-diameter drainage tee pipe, the upper drainage riser, the lower drainage riser and the cross pipe are all made of PVC.
[0014] Furthermore, the height of the floor drain is adjustable, with the highest being only 82 mm and the lowest being 65 mm.
[0015] The utility model connects the floor drain, the horizontal pipe, the different-diameter drainage tee, the adjustable water stop joint and the drainage riser into an integral drainage pipe structure and installs it in the bathroom floor. Compared with the traditional bathroom caisson drainage structure, the utility model has the following beneficial effects:
[0016] 1. High economy: Drainage on the same floor without lowering the slab can avoid the construction of lowering the slab in the bathroom. The structure is simple, avoiding the construction of indoor frame beams and backfill in the bathroom, and reducing the project cost.
[0017] 2. High safety: Drainage on the same floor without lowering the slab can avoid backfilling of the bathroom and reduce the floor load.
[0018] 3. Strong applicability: After the floor lowering construction, the interior space layout will not be affected by the lowering of the floor and the beams, and the owner can make more reasonable layouts according to their own needs.
[0019] 4. Good waterproof performance: can prevent water accumulation in the caisson and cause leakage.
[0020] 5. Easy to use: The drainage device does not have a water trap, which reduces the possibility of blockage and can be repaired on the same floor. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic elevational cross-sectional view of a same-layer drainage structure of a composite slab of an assembled building provided by an embodiment of the utility model;
[0022] Figure 2 It is a schematic diagram of the drainage pipe structure provided by an embodiment of the utility model;
[0023] Figure 3 It is a schematic plan cross-sectional view of a same-layer drainage structure of a composite slab of an assembled building provided by an embodiment of the utility model. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] Please see Figures 1 to 3 , shows a same-layer drainage structure of a composite slab of an assembled building provided in this embodiment, including a prefabricated layer 1 of a composite slab, a cast-in-place layer 2 of a composite slab, steel bars 3, an adjustable water stop 4, a different-diameter drainage tee 5, an upper drainage riser 6a, a lower drainage riser 6b, a transverse pipe 7, a floor drain 8 and a decorative layer 9; wherein the different-diameter drainage tee 5 has a transverse port, an upward port and a downward port. Preferably, the adjustable water stop 4, the different-diameter drainage tee 5, the upper drainage riser 6a, the lower drainage riser 6b and the transverse pipe 7 of this embodiment are all made of PVC.
[0027] The cast-in-place layer 2 of the composite slab is cast on the prefabricated layer 1 of the composite slab, and the steel bars 3 are embedded in the cast-in-place layer 2 of the composite slab.
[0028] The adjustable water-stop joint 4 is embedded in the prefabricated layer 1 of the composite slab when the prefabricated layer 1 of the composite slab is manufactured, and is reinforced and connected with the steel bars 3 when the steel bars 3 are constructed.
[0029] A groove 21 is formed on the cast-in-place layer 2 of the composite slab, and the transverse pipe 7 is embedded in the groove 21. The groove 21 and its surrounding area are coated with a waterproof coating 22.
[0030] One end of the transverse pipe 7 is connected to the floor drain 8, and the other end of the transverse pipe 7 is connected to the transverse port in the reducing drainage tee pipe 5. When the transverse pipe 7 is installed, a 3% slope treatment is performed, and the slope is toward the reducing drainage tee pipe 5.
[0031] The downward port of the reducing drainage tee 5 is connected to the top of the adjustable water stop joint, and the top of the lower drainage riser is connected to the bottom end of the adjustable water stop joint 4; the bottom end of the upper drainage riser 6a is connected to the upward port of the reducing drainage tee 5. It should be noted that the lower drainage riser 6b is the drainage riser of this floor, and the upper drainage riser 6a is the drainage riser connected to the upper floor. In some embodiments, such as the top floor or only a single floor, only the lower drainage riser 6b can be installed.
[0032] The decorative layer 9 is laid on the cast-in-place layer 2 of the composite slab, and a hole is reserved at the position corresponding to the floor drain 8.
[0033] In some embodiments, the drainage structure on the same layer of the composite slab also includes a secondary structure 10. The cast-in-place layer of the composite slab includes a bathroom area and a drainage pipe well area. The secondary structure 10 is located at the junction of the bathroom area and the drainage pipe well area.
[0034] The construction steps of the same-layer drainage structure of the composite slab of the prefabricated building of this embodiment are as follows:
[0035] 1. The prefabricated composite slab is designed according to the same-layer drainage structure provided by the water professional. When the prefabricated layer 1 of the composite slab is produced in the factory, an adjustable water stop joint is reserved according to the detailed design drawings. The embedded positioning deviation of the adjustable water stop joint 4 must be within the allowable range of the design requirements.
[0036] 2. When constructing the steel bars 3 of the cast-in-place layer 2 of the composite slab, the area around the adjustable water stop 4 is reinforced according to the design and construction drawings to ensure structural reliability and safety.
[0037] 3. During the construction of the cast-in-place layer 2 of the composite slab, a groove is pressed in the cast-in-place layer 2 of the composite slab according to the design elevation of the floor drain 8 (the present embodiment adopts the CP3-TF40-10 ultra-thin same-layer water-sealed floor drain) and the installation slope of the transverse pipe 7.
[0038] 4. Apply waterproof coating on the groove 21 and the surrounding area within 250mm to improve the waterproof performance.
[0039] 5. Install the different-diameter drainage tee pipe 5 on the adjustable water stop joint 4.
[0040] 6. Install the upper drainage riser 6a above the different-diameter drainage tee pipe 5.
[0041] 7. A horizontal pipe 7 is used to connect the floor drain 8 and the different-diameter drainage tee pipe 5. When installing the horizontal pipe 7, a 3% slope treatment is required, with the slope facing the different-diameter drainage tee pipe 5.
[0042] 8.Construct the secondary structure between the toilet and the drainage shaft 10.
[0043] 9. Finally, the bathroom waterproofing and decorative layer 9 is constructed.
[0044] In summary, this embodiment connects the floor drain 8, the horizontal pipe 7, the different-diameter drainage tee 5, the adjustable water stop 4, and the drainage riser into an integral drainage pipe structure and installs it in the bathroom floor. Compared with the traditional bathroom caisson drainage structure, this embodiment has the following beneficial effects:
[0045] 1. High economy: Drainage on the same floor without lowering the slab can avoid the construction of lowering the slab in the bathroom. The structure is simple, avoiding the construction of indoor frame beams and backfill in the bathroom, and reducing the project cost.
[0046] 2. High safety: Drainage on the same floor without lowering the slab can avoid backfilling of the bathroom and reduce the floor load.
[0047] 3. Strong applicability: After the floor lowering construction, the interior space layout will not be affected by the lowering of the floor and the beams, and the owner can make more reasonable layouts according to their own needs.
[0048] 4. Good waterproof performance: can prevent water accumulation in the caisson and cause leakage.
[0049] 5. Easy to use: The drainage device does not have a water trap, which reduces the possibility of blockage and can be repaired on the same floor.
[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A same-layer drainage structure of a composite slab of an assembled building, characterized in that: It includes a prefabricated layer of a composite slab, a cast-in-place layer of a composite slab, steel bars, an adjustable water stop joint, a different-diameter drainage tee, an upper drainage riser, a lower drainage riser, a horizontal pipe and a floor drain; the different-diameter drainage tee has a horizontal port, an upward port and a downward port; The cast-in-place layer of the composite slab is cast on the prefabricated layer of the composite slab, and the steel bars are embedded in the cast-in-place layer of the composite slab; The adjustable water stop joint is embedded in the prefabricated layer of the composite board when the prefabricated layer of the composite board is manufactured; When the cast-in-place layer of the composite slab is cast, a groove is formed according to the floor drain elevation and the drainage slope, the transverse pipe is embedded in the groove, one end of the transverse pipe is connected to the floor drain, and the other end of the transverse pipe is connected to the transverse port in the different-diameter drainage tee pipe; The downward port of the different-diameter drainage tee is connected to the top of the adjustable water-stop joint, the top of the lower drainage riser is connected to the bottom of the adjustable water-stop joint; the bottom end of the upper drainage riser is connected to the upward port of the different-diameter drainage tee.
2. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: It also includes a decorative layer, which is laid on the cast-in-place layer of the composite slab and has a hole reserved at a position corresponding to the floor drain.
3. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: It also includes a secondary structure. The cast-in-place layer of the composite slab includes a toilet area and a drainage pipe well area. The secondary structure is located at the junction of the toilet area and the drainage pipe well area.
4. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: The pressing groove and its surrounding area are coated with waterproof coating.
5. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: When the horizontal pipe is installed, a slope is performed so that the slope faces the different-diameter drainage tee pipe.
6. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: The adjustable water stop joint, the different-diameter drainage tee pipe, the upper drainage riser, the lower drainage riser and the horizontal pipe are all made of PVC material.
7. The same-layer drainage structure of the composite slab according to claim 1, characterized in that: The floor drain height is adjustable, the highest being only 82 mm and the lowest being 65 mm.