CN213805664U - Light same-floor drainage function module - Google Patents

Abstract

The utility model discloses a light same-floor drainage function module, which comprises a module box with an opening on the top side and a preset pipe fitting, wherein the preset pipe fitting comprises a multi-channel floor drain, a trap, a tee pipe fitting and a drainage vertical pipe; the multi-channel floor drain comprises a barrel and at least one water inlet branch pipe connected with the side wall of the barrel, wherein the top side and the bottom side of the barrel are both open, the bottom side of the barrel is connected with a water inlet end of a trap, a water outlet end of the trap is connected with a transverse pipe of a three-way pipe, and the top of the three-way pipe is connected with a vertical drainage pipe. The light-duty same floor drainage function module of this scheme is small, and on-the-spot easy operation presets the pipeline and is mostly the standard component, and the jam point is few, conveniently concentrates on arranging the horizontal branch pipe of drainage, effectively reduces the quantity of drainage branch pipe in the bathroom, reduces the pipe fitting and connects, reduces and connects the water leakage hidden danger.

Description

Light same-floor drainage function module

Technical Field

The utility model belongs to the technical field of the building, specifically speaking, the utility model relates to a light-duty layer drainage function module.

Background

The traditional same-floor toilet needs a caisson structure, drainage branch pipes of the toilet are connected inside the caisson, the branch pipes are long in joint, the caisson needs to be refilled after the branch pipes are connected, and the toilet is complex in construction and long in construction period. After finishing decoration, the drainage is not smooth or the blockage and maintenance are difficult, and the treatment can be carried out only by digging the floor of the toilet. Most of the existing same-layer drainage collectors are connected with a backflow three-way conjoined floor drain and a drainage vertical pipe, and the existing same-layer drainage collectors are of an integral structure, have high installation and positioning requirements and are complex in shape; the water seal of the conjoined floor drain is shallow, so that the floor drain port is easy to cause the upward movement of sewer odor, and sewage in the drainage vertical pipe can possibly flow back; the drainage section is small, the drainage speed is low, and the drainage capacity is small; and the conjoined floor drain in the same-layer drainage concentrator has no position adjusting function, so that the requirement on the accuracy of the installation height of the floor drain is high in the actual use process, the adaptability and the universality are unsatisfactory, and the problem that the floor drain is difficult to maintain after being blocked is solved.

To sum up, for the technical problems of the complex construction process of the existing toilet structure drop plate made of the caisson structure and backfilling after connecting the drainage pipes on the construction site, the drainage system is optimized and the repairable effect is achieved, the method is suitable for toilets on different planes, a light same-layer drainage function module needs to be developed urgently at present, so that the construction process of the toilet is simplified, the drainage system is optimized, the flexible arrangement of the toilet on the plane layout can be realized by matching the installation and the application of the function module, the leakage hidden danger of the toilet floor drain is avoided, the industrial mass production is realized, the efficient construction is realized, and the popularization is strong.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a light-duty same floor drainage function module to improve drainage capacity, avoid sewer stink to scurry, with the work progress of simplifying the bathroom simultaneously, optimize drainage system.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a light same-layer drainage function module comprises a module box with an open top side and a preset pipe fitting, wherein the preset pipe fitting comprises a multi-channel floor drain, a trap, a tee pipe fitting and a drainage vertical pipe; the multi-channel floor drain comprises a cylinder and at least one water inlet branch pipe connected with the side wall of the cylinder, wherein the top side and the bottom side of the cylinder are both open, the bottom side of the cylinder is connected with the water inlet end of the trap, the water outlet end of the trap is connected with the transverse pipe of the three-way pipe fitting, and the top of the three-way pipe fitting is connected with the vertical drainage pipe.

Most of the preset pipelines in the light same-layer drainage function module are standard parts, and the number of blocking points is small; the sewage drainage pipes in multiple directions in the toilet are respectively communicated with the water inlet branch pipes of the multi-channel floor drain, so that the waste water of the floor drain in dry and wet areas of the toilet or the sewer floor drain of the washing machine can be converged to the floor drain together, the drainage transverse branch pipes can be conveniently and intensively arranged, the number of the drainage branch pipes in the toilet can be effectively reduced, pipe fittings and joints can be reduced, and the hidden danger of water leakage of the joints can be reduced.

In another preferred embodiment, the leakage-discharging device further comprises a leakage-discharging treasure, a through hole is formed in the bottom of the module box, the top end of the leakage-discharging treasure penetrates through the through hole and is arranged inside the module box, the bottom end of the leakage-discharging treasure is arranged outside the module box, and the bottom of the three-way pipe fitting is connected with the top end of the leakage-discharging treasure.

In another preferred embodiment, the leak-proof device comprises an inner tube and an outer ring, wherein a supporting part is arranged in the middle of the outer wall of the inner tube, a connecting part is arranged on the lower part of the outer wall of the inner tube, a matching part matched with the connecting part is arranged on the outer ring, the outer ring is sleeved on the lower part of the inner tube, and the inner tube and the outer ring are connected together through the connecting part and the matching part.

In another preferred embodiment, the connecting portion is an external thread provided at a lower portion of an outer wall of the inner tube, and the fitting portion is an internal thread provided at an upper portion of an inner wall of the outer ring.

In another preferred embodiment, a step is provided at the through hole at the bottom of the cartridge, and the support portion of the inner tube is placed inside the cartridge and rests on the upper surface of the step at the bottom of the cartridge; the top end of the outer ring is tightly attached to the lower surface of the step at the bottom of the module box.

In another preferred embodiment, at least one drainage hole is arranged on the side wall of the inner pipe above the supporting part.

In another preferred embodiment, the upper portion of the cartridge is provided with a plurality of anchoring ribs, each of which passes through two opposing side walls of the cartridge.

In another preferred embodiment, the bearing portion is a ring of wing rings disposed along a middle portion of the outer wall of the inner tube.

In another preferred embodiment, a sealing ring is arranged between the bearing part and the contact surface of the top end of the outer ring and the step at the bottom of the module box.

In another preferred embodiment, the upper edge of the cartridge is provided with a step-like structure.

In another preferred embodiment, the module case further comprises an auxiliary frame detachably connected to the module case, and the bottom side of the stepped structure of the module case rests on the upper surface of the auxiliary frame.

In another preferred embodiment, the upper part of the cartridge is provided with anchoring ribs, each of which penetrates through two opposite side walls of the cartridge.

In another preferred embodiment, the pipe fitting further comprises an eccentric adjusting ring, wherein the eccentric adjusting ring is arranged between the tee pipe fitting and the drainage stand pipe or between two drainage stand pipes on the same vertical line.

In another preferred embodiment, a one-way valve which can be used for discharging liquid from the cylinder and can not enter the cylinder from the water inlet branch pipe is vertically arranged in the joint of the water inlet branch pipe and the cylinder, and the outer diameter of the part, extending into the water inlet branch pipe, of the one-way valve is matched with the inner diameter of the water inlet branch pipe.

In another preferred embodiment, a one-way valve for enabling liquid to enter the cylinder from the water inlet branch pipe is vertically arranged inside the joint of the water inlet branch pipe and the cylinder, and the outer diameter of the part, extending into the water inlet branch pipe, of the one-way valve is matched with the inner diameter of the water inlet branch pipe.

In another preferred embodiment, the one-way valve comprises an annular cylinder, a connecting part connected with the annular cylinder, and a movable cover plate hinged with the connecting part, wherein the upper part of the movable cover plate is hinged on the connecting part, and the movable cover plate rotates around a hinged point to enable the lower part of the movable cover plate to be attached to or away from the annular cylinder; the movable cover plate is arranged in the cylinder body, and the annular cylinder is arranged in the water inlet branch pipe.

In another preferred embodiment, the connecting portion is in a slope shape, and the movable cover plate is hinged to one end of the connecting portion, which is far away from the annular cylinder.

In another preferred embodiment, the upper part of the movable cover plate is provided with a gravity block, and the gravity block is arranged on one side far away from the annular cylinder so as to keep the lower part of the movable cover plate attached to the annular cylinder under the condition of no external force.

In another preferred embodiment, the number of the gravity blocks is 2, and the gravity blocks are symmetrically distributed on the upper part of the movable cover plate.

In another preferred embodiment, the bottom of the cylinder is provided in a funnel shape with a large top and a small bottom.

In another preferred embodiment, the multi-way floor drain further comprises a grate cover plate, and the grate cover plate is detachably connected with the top side of the cylinder.

In another preferred embodiment, an adjusting cover plate is arranged between the grate cover plate and the drainage joint, the adjusting cover plate comprises a plate body with a through hole and an annular side wall connected with the bottom side of the plate body, the outer diameter of the annular side wall is equal to the inner diameter of the top side of the cylinder body, the grate cover plate is arranged on the top side of the plate body, and the plate body is lapped with or clamped on the top side of the cylinder body.

In another preferred embodiment, the pre-positioned pipe further comprises a vent pipe, and the vent pipe is communicated with the drainage vertical pipe through a transverse pipe.

In another preferred embodiment, the filler material is lightweight concrete; the light concrete can be one or more of foam concrete, expanded perlite concrete or ceramsite concrete.

The technical scheme of the utility model the beneficial technological effect who gains is:

1. the light same-layer drainage functional module has the advantages of small volume, high manufacturing efficiency and easy operation on a construction site, can replace a toilet caisson component, a drainage transverse branch pipe and a backfill material in the prior art from the aspect of composition, and functionally meets the same-layer drainage effect of the toilet caisson. The module has good drainage performance, and the upper access hole can also be used as a toilet floor drain (or a washing machine floor drain); and the height-adjustable access hole is arranged, the height of the water outlet can be adjusted according to the secondary decoration, and the floor drain can be easily overhauled on the same floor.

2. The functional module of this scheme lies in and need not the structure and falls the board, need not the caisson component, utilizes the tube well position to arrange, and the specification is little, the floor is opened a hole for a short time, and the shearing and the destruction of the interior constructional reinforcement of at utmost reduction floor alternate anchor muscle in functional module upper portion and coincide floor steel bar connection are fixed, have guaranteed the stability of being connected between module and the floor.

3. The light same-floor drainage function module has good waterproof performance, the module box adopts a box body structure, and a leakage discharging device with a seal is arranged on the module box, so that a plurality of waterproof measures are provided, and the water leakage phenomenon of the same-floor drainage function module in actual use is effectively avoided; water of any drainage branch pipe is collected to the drainage vertical pipe in the module through the multi-channel floor drain, water seal of the multi-channel floor drain can be supplemented in time, and the water loss probability of the water seal is small.

4. The application of the light same-floor drainage function module of the scheme can enable the plane specification size and arrangement of the toilet of the building (especially a residential building) to be more flexible.

5. By arranging the one-way valve in the multi-channel floor drain, when other sewage drainage pipes and the floor drain simultaneously supply water, the phenomenon of back overflow caused by the fact that the waste water enters other sewage drainage pipes is avoided; when the water inlet branch pipe of the multi-channel floor drain does not pass through drainage, the one-way valve is in a normally closed state, and the multi-channel floor drain is anti-creeping and deodorant.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

FIG. 1 is a schematic perspective view of a lightweight same-layer drainage module according to an embodiment;

FIG. 2 is a schematic perspective view of a pre-installed pipe in the lightweight same-layer drainage module according to an embodiment;

FIG. 3 is a schematic view of a module box and a leak protector in a light same-layer drainage function module according to another embodiment;

FIG. 4 is a schematic view of an alternative embodiment of a light weight same layer drainage module with a leak preventer mounted thereon;

FIG. 5 is a schematic perspective view of a lightweight same-layer drainage module in another embodiment (the assembly process is shown in the case of a leak preventer);

FIG. 6 is a cross-sectional view of a lightweight same-layer drainage function module in another embodiment;

FIG. 7 is a schematic perspective view of another embodiment of a connection between a light same-layer drainage function module and a horizontal drainage pipe and a side wall floor drain;

FIG. 8 is a schematic structural diagram of an auxiliary frame of a light-weight same-layer drainage functional module in another embodiment;

FIG. 9 is a schematic structural diagram of a multi-channel floor drain in a light same-layer drainage functional module in another embodiment;

FIG. 10 is a vertical sectional view (hiding the grate cover plate) of FIG. 9;

fig. 11 is a schematic perspective view of a check valve in a lightweight same-layer drainage functional module in another embodiment.

Reference numerals:

1-module box 2-preset pipe fitting 3-multichannel floor drain

4-P-shaped bend 5-tee pipe fitting 6-drainage vertical pipe

7-breather pipe 8-leak-proof treasure 9-auxiliary frame

10-anchoring rib 11-cylinder 12-water inlet branch pipe

13-one-way valve 14-annular cylinder 15-movable cover plate

16-gravity block 17-grate cover plate 18-inner pipe

19-outer ring 20-wing ring 21-water drain hole

22-adjusting cover plate 23-horizontal drainage pipe 24-side wall floor drain

25-eccentric adjusting ring 26-foam concrete 27-step

28-drainage branch pipe 29-sealing ring

Detailed Description

The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

Example 1

Referring to fig. 1 and 2, in one embodiment of the present invention, the light-weight same-layer drainage function module comprises a module box 1 with an open top side and a preset pipe 2, the preset pipe 2 comprises a multi-channel floor drain 3, a trap, a tee pipe 5 and a drainage riser 6, and a P-type trap 4 is adopted as the trap in this embodiment; wherein the lower part of the three-way pipe fitting 5, the lower part of the multi-channel floor drain 3 and the P-shaped bend 4 are all arranged in the module box 1, and a filling material is arranged between the inner wall of the module box 1 and the preset pipe fitting 2 arranged in the module box; the multi-channel floor drain 3 comprises a cylinder body 11 and at least one water inlet branch pipe 12 connected with the side wall of the cylinder body 11, the top side and the bottom side of the cylinder body 11 are both open, the bottom side of the multi-channel floor drain 3 is connected with the water inlet end of a P-shaped bend 4, the water outlet end of the P-shaped bend 4 is connected with the transverse pipe of a three-way pipe fitting 5, and the top of the three-way pipe fitting 5 is connected with a vertical water drainage pipe 6. The preset pipe fittings 2 are in a socket type and are fixedly connected by PVC glue, so that the water leakage phenomenon is avoided.

The same-layer drainage function module is composed of metal, standard drainage accessories and filled light sealing materials, the whole module is small in specification, light in weight and easy to construct, and manufacturing efficiency and installation efficiency are improved. The structure is small and exquisite, and the structure is rigorous, and the box structure is including taking sealed hourglass treasured 8 certainly, and with building main part installation completion back, inside and outside twice waterproof measure effectively stops the percolating water phenomenon of layer drainage function module in the in-service use with the layer. The installation and application of the functional modules are matched, the flexible arrangement of a toilet in a planar layout can be realized, the same-layer drainage and water collection functional module is easy and convenient to manufacture and install, the leakage hidden danger of the toilet floor drain is avoided, the industrial volume production is realized, the efficient construction is realized, and the popularization is strong.

By applying the functional module in the implementation, a structural descending plate is not needed at the toilet, a large caisson component is not needed to be manufactured, and only a gap matched with the size of the module box 1 is reserved at the designated position of the toilet; during construction, the module box 1 is placed in a vacancy on a floor slab, sewage of floor drains at different positions (or directions) of a toilet is connected with a water inlet branch pipe 12 of a multi-channel floor drain 3 through a drainage branch pipe 28 or a drainage transverse pipe 23, filling material soil is poured into the module box 1, and each preset pipe fitting 2 is fixed in the module box 1. When in use, sewage flows into the multi-channel floor drain 3 through the branch drainage pipes 28 or the horizontal drainage pipe 23 and then flows into the vertical drainage pipe 6 through the P-shaped bend 4. The height of the module box 1 and the preset pipe fitting 2 in the embodiment can be adjusted, so that the height difference between the water inlet of the multi-channel floor drain 3 and the ground after finishing is ensured, and the water flow is ensured to be smooth. The functional module of the scheme is characterized in that a structural descending plate is not needed, caisson components are not needed, the position arrangement of the pipe well is utilized, the specification is small, the floor slab is small in hole, and the shearing and the damage of structural steel bars are reduced to the maximum extent; if the leakage needs to be maintained, the filling material in the module box 1 only needs to be taken out, so that the maintenance can be carried out very conveniently.

On the basis of the above embodiments, as an improvement of this embodiment, in another embodiment, the filling material in the module box 1 is light concrete, and the light concrete may be one or more of foam concrete, expanded perlite concrete or ceramsite concrete. By the arrangement, on one hand, the weight of the whole module is reduced, so that the load of a building is reduced; on the other hand, the subsequent maintenance is convenient, and the construction difficulty is small when the light materials are taken out.

Referring to fig. 1 and 3, in another modified embodiment, the upper portion of the module box 1 is provided with anchoring ribs 10, the anchoring ribs 10 are fixedly connected with the reinforcing bars of the laminated floor, each anchoring rib 10 penetrates through two opposite side walls of the module box, and the anchoring ribs 10 in two directions are perpendicular to each other, so that when the anchoring ribs 10 are anchored in the laminated floor, the whole functional module can be ensured to be firmly embedded in the floor without moving or deforming.

Referring to fig. 3 and fig. 6, on the basis of the above embodiment, as an improvement of this embodiment, in another embodiment, a leak discharging device 8 is further included, a through hole is formed at the bottom of the module box 1, the top end of the leak discharging device 8 is inserted into the through hole formed at the bottom of the module box 1 and is placed inside the module box 1, the bottom end of the leak discharging device 8 is placed outside the module box 1, and the bottom of the tee pipe 5 is connected with the top end of the leak discharging device 8 through a section of connecting pipe. The bottom end of the leak-proof device 8 is connected with a vertical drainage pipe (not shown in the figure) of the next floor. Through setting up the leak protection precious, further improved the seepage prevention performance of whole module, because module box 1 adopts integrated into one piece, only need guarantee leak protection precious and module box 1 bottom between leakproofness and the seepage prevention performance, then whole functional module does not have the infiltration point.

Referring to fig. 4 and 5, the leak preventer 8 comprises an inner tube 18 and an outer ring 19, a supporting portion is arranged in the middle of the outer wall of the inner tube 18, external threads are arranged on the lower portion of the outer wall of the inner tube 18, internal threads are arranged on the upper portion of the inner wall of the outer ring 19, the outer ring 19 is sleeved on the lower portion of the inner tube 18, the inner tube 18 and the outer ring 19 are connected together through the external threads and the internal threads, and on the basis that the inner tube and the outer ring are firmly connected, field operation and construction are facilitated. Through setting up the leak protection precious to split type structure, improved the construction convenience, insert the through-hole of seting up on the module box 1 bottom side surface with the upper portion of inner tube 18 during the construction, then carry out sealing process to inner tube 18 and module box 1 junction, connect the lower part of inner tube 18 to the end with outer loop 19 again at last, the drain pipe of next floor building is reconnected to the bottom of outer loop 19 can. The upper and lower parts of the connection part of the leak-discharging device 8 and the module box 1 are provided with sealing rings 29, so that the water resistance is enhanced, and the water leakage phenomenon is avoided.

Referring to fig. 4 and 6, in a modified embodiment based on the previous embodiment, the support portion is a ring of wing rings 20 disposed along the middle of the outer wall of the inner tube, and four drainage holes 21 are disposed on the side wall of the inner tube 18 above the wing rings 20, so that when there is water accumulated in the module case 1, the accumulated water can flow into the inner tube 18 through the drainage holes 21 and then into the drainage pipe connected below the outer ring 19.

Referring to FIG. 2, in addition to the above-described embodiment, as a modification of the present embodiment, in another embodiment, a step 27 is provided at the through hole in the bottom of the cartridge 1, and the wing ring 20 of the inner pipe 18 is placed inside the cartridge 1 and rests on the upper surface of the step 27 in the bottom of the cartridge 1; the top of the outer ring 19 abuts the lower surface of the step 27 at the bottom of the cartridge 1. Thus, the inner pipe 18 is only needed to be put in from the opening of the module box 1 during the site construction, and the inner pipe 18 is placed on the step 27 at the bottom of the module box 1, thereby reducing the construction difficulty. Sealing rings 29 are respectively arranged between the contact surfaces of the top ends of the wing ring 20 and the outer ring 19 and the step 27 at the bottom of the module box 1, so that the anti-seepage performance between the leak-proof device 8 and the module box 1 is further improved.

Referring to fig. 6, after the outer ring 19 is connected to the inner tube 18, the lower portion of the inner tube 18 is disposed in the inner space of the outer ring 19, the bottom end of the inner tube 18 is flush with the bottom end of the outer ring 19, and a gap is formed between the bottom end of the inner tube 18 and the inner sidewall of the lower portion of the outer ring 19. Therefore, the drainage vertical pipe of the next layer is inserted into the gap between the bottom end of the inner pipe 18 and the lower part of the outer ring 19, and the sewage flowing into the drainage vertical pipe of the next layer through the socket joint type leakage-discharging treasure 8 is prevented from leaking from the joint between the socket joint type leakage-discharging treasure 8 and the drainage vertical pipe of the next layer.

Referring to fig. 5 and 6, on the basis of the above-described embodiment, as a modification of the present embodiment, in another embodiment, the upper edge of the module case 1 is provided with a stepped structure. Therefore, during construction, the step-shaped structure at the upper edge of the module box 1 can be placed at the opening of the floor slab, so that the hole error can be adjusted, and the floor slab is of a waterproof structure; when the module is installed on site, waterproof materials are added at the lap joint of the module and the floor slab, so that the waterproof performance is enhanced, and the water leakage phenomenon is avoided; if ponding appears in the module box 1, also can avoid ponding to permeate to in the floor.

Referring to FIGS. 7 and 8, in addition to the above-described embodiment, as a modification of the present embodiment, in another embodiment, an auxiliary frame 9 detachably connected to the cartridge 1 is further included, and the bottom side of the step-like structure in the upper part of the cartridge 1 is rested on the upper surface of the auxiliary frame 9. Attach frame 9 from taking the seal ring, prevent that water from the floor and attach the junction seepage of frame 9, attach frame 9 and functional module and be the metal material, the junction full-thickness scribbles butyl rubber, functional module and floor meet the corner and beat the gluey processing with building sealant, multiple waterproof measure avoids the emergence of infiltration.

Referring to fig. 7, on the basis of the above embodiment, as a modification of the embodiment, in another embodiment, an eccentric adjusting ring 25 is further included between the tee pipe 5 and the vertical drainage pipe 6, and this configuration can adjust the verticality of the vertical pipe, so as to ensure that the verticality of the vertical drainage pipe 6 between different layers is within the range required by building specifications.

Referring to fig. 9 and 10, in another modified embodiment, the multichannel floor drain 3 further comprises a grate cover plate 17, and the grate cover plate 17 is detachably connected with the top side of the cylinder 11; the bottom of the cylinder body 11 is arranged to be funnel-shaped with a large upper part and a small lower part, so that sewage entering the cylinder body 11 can flow out quickly and smoothly.

Referring to fig. 10, on the basis of the above embodiment, as an improvement of the embodiment, in another embodiment, an adjusting cover plate 22 is arranged between the grate cover plate 17 and the drainage connector, the adjusting cover plate 22 includes a plate body with a through hole and an annular side wall connected with the bottom side of the plate body, the outer diameter of the annular side wall is equal to the inner diameter of the top side of the cylinder body, the grate cover plate 17 is arranged on the top side of the plate body, and the plate body is overlapped or clamped on the top side of the cylinder body. Therefore, the height of the whole floor drain can be properly adjusted according to the height of the ground decoration finish surface during construction, and the installation convenience is improved.

Referring to fig. 10 and 11, on the basis of the above embodiment, as an improvement of the embodiment, in another embodiment, a check valve 13 for allowing liquid to enter the cylinder 11 from the water inlet branch pipe 12 is vertically arranged inside the joint of the water inlet branch pipe 12 and the cylinder 11, and the outer diameter of the part of the check valve 13 extending into the water inlet branch pipe 12 is matched with the inner diameter of the water inlet branch pipe 12. Because the inside of the joint of the water inlet branch pipe 12 and the cylinder body 11 is vertically provided with the check valve 13, wastewater and sewage can only enter the cylinder body 11 from the water inlet branch pipe 12 but can not enter the water inlet branch pipe 12 from the cylinder body 11, the backflow of the wastewater is avoided, and crawlers or odor is also avoided from entering the cylinder body 11.

Referring to fig. 11, the check valve 13 includes an annular cylinder 14, a connecting portion (not labeled) connected to the annular cylinder 14, and a movable cover plate 15 hinged to the connecting portion, wherein an upper portion of the movable cover plate 15 is hinged to the connecting portion, and a lower portion of the movable cover plate 15 is attached to or away from the annular cylinder 14 around the hinge point; the removable cover 15 is placed in the cylinder, and the annular cylinder 14 is placed in the water inlet branch pipe 12. The connecting part is in a slope shape, and the movable cover plate 15 is hinged with one end of the connecting part, which is far away from the annular cylinder 14.

With continued reference to fig. 11, in a further modified embodiment, the upper portion of the removable cover 15 is provided with a weight block 16 on the side remote from the annular cylinder 14 to keep the lower portion of the removable cover 15 engaged with the annular cylinder 14 without external forces. The gravity blocks 16 may be arranged in 2 pieces, and are symmetrically distributed on the upper part of the movable cover plate 15. With this arrangement, the movable cover plate 15 is kept in a state of being attached to the annular cylinder 14 when no external force is applied, and when waste water in the branch drain pipe 28 connected to one of the branch inlet pipes 12 is flushed toward the check valve 13, the movable cover 6 is flushed away under the action of water flow, so that the waste water can enter the cylinder in the same layer. When water comes from the water inlet branch pipe 28 or the side wall floor drain 24 connected with the water inlet branch pipe 12 at the same time, the wastewater can be prevented from entering other water inlet branch pipes 12 and water outlet branch pipes 28 and causing the back overflow phenomenon.

On the basis of the above embodiment, as a modification of this embodiment, in another embodiment, the pre-pipe 2 further includes a vent pipe 7, and the vent pipe 7 is communicated with the vertical drainage pipe 6 through a transverse pipe to form an H-shaped pipe. The vent pipe 7 is arranged to ensure that sewage in the vertical drainage pipe 6 can be smoothly discharged, and the sewage is prevented from flowing back to enter the multi-channel floor drain 3 or the P-shaped bend 4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A light same-layer drainage function module is characterized by comprising a module box with an opening on the top side and a preset pipe fitting, wherein the preset pipe fitting comprises a multi-channel floor drain, a trap, a tee pipe fitting and a drainage vertical pipe; the multi-channel floor drain comprises a cylinder and at least one water inlet branch pipe connected with the side wall of the cylinder, wherein the top side and the bottom side of the cylinder are both open, the bottom side of the cylinder is connected with the water inlet end of the trap, the water outlet end of the trap is connected with the transverse pipe of the three-way pipe fitting, and the top of the three-way pipe fitting is connected with the vertical drainage pipe.

2. The light-duty same-layer drainage function module as in claim 1, further comprising a leakage elimination device, wherein a through hole is formed in the bottom of the module box, the top end of the leakage elimination device penetrates through the through hole and is arranged inside the module box, the bottom end of the leakage elimination device is arranged outside the module box, and the bottom of the three-way pipe fitting is connected with the top end of the leakage elimination device.

3. The light same-layer drainage function module as claimed in claim 2, wherein the leakage-discharging treasure comprises an inner pipe and an outer ring, a bearing portion is arranged in the middle of the outer wall of the inner pipe, a connecting portion is arranged on the lower portion of the outer wall of the inner pipe, a matching portion matched with the connecting portion is arranged on the outer ring, the outer ring is sleeved on the lower portion of the inner pipe, and the inner pipe and the outer ring are connected with the matching portion through the connecting portion.

4. The light-duty same-layer drainage function module according to claim 3, wherein a step is provided at the through hole, and the support portion of the inner pipe is disposed inside the module box and rests on an upper surface of the step; the top end of the outer ring is tightly attached to the lower surface of the step.

5. The light weight same-layer drainage function module as claimed in claim 4, further comprising an auxiliary frame detachably connected to the module case, wherein the upper edge of the module case is provided with a step-like structure and the bottom side of the step-like structure rests on the upper surface of the auxiliary frame.

6. The lightweight same-floor drainage function module according to any one of claims 1-5, wherein the upper portion of the module box is provided with a plurality of anchoring ribs, each of which passes through opposite side walls of the module box.

7. The light-duty same-layer drainage function module of claim 6, wherein the inside of the joint of the water inlet branch pipe and the cylinder body is vertically provided with a one-way valve for enabling liquid to enter the cylinder body from the water inlet branch pipe, and the outer diameter of the part of the one-way valve extending into the water inlet branch pipe is matched with the inner diameter of the water inlet branch pipe.

8. The light weight same layer drainage function module as claimed in claim 7, wherein the check valve comprises an annular cylinder, a connecting portion connected with the annular cylinder, and a movable cover plate hinged with the connecting portion, wherein the upper portion of the movable cover plate is hinged on the connecting portion, and the movable cover plate rotates around a hinge point to enable the lower portion of the movable cover plate to be attached to or away from the annular cylinder; the movable cover plate is arranged in the cylinder body, and the annular cylinder is arranged in the water inlet branch pipe.

9. The light weight same layer drainage function module as claimed in claim 8, wherein the connecting portion is in a slope shape, and the removable cover plate is hinged to one end of the connecting portion away from the annular cylinder.

10. The lightweight same-layer drainage functional module as in claim 6, wherein the filler material is lightweight concrete.

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