CN213062258U - Reinforced single vertical pipe header pipe fitting - Google Patents

Abstract

The utility model discloses a reinforced single riser concentrator pipe fitting, which comprises a single riser component, a connecting pipe and a centralized water seal component, wherein the connecting pipe is connected with the single riser component and is internally communicated with the single riser component; the single vertical pipe assembly comprises a rotational flow tee joint, a collector spliced with the rotational flow tee joint, a rectifier sleeved with the collector and a reserved drain hole arranged on the rotational flow tee joint; the rectifier comprises a bundling pipe and a plurality of guide ribs, wherein the upper end of the bundling pipe is used for being sleeved with a rotational flow tee joint, the pipe diameter of the bundling pipe is gradually reduced, and the guide ribs are spirally arranged on the inner wall of the bundling pipe and are rotationally symmetrical relative to the central axis of the rectifier. The utility model provides a single riser manifold pipe fitting can effectively discharge the ponding in the falling plate layer, and the flow of drainage is big, and the noise is little, and the practicality is strong, is applicable to multiple installation scene.

Description

Reinforced single vertical pipe header pipe fitting

Technical Field

The utility model relates to a plumbing pipe fitting technical field especially relates to a strenghthened type single riser manifold pipe fitting.

Background

The internal drainage system of the building at the present stage mostly adopts a double-riser drainage system for drainage, namely, the drainage system comprises two risers, one is used for drainage inside the building, and the other is used for ventilation of the drainage system, but when the drainage system is adopted for drainage generally, because of the existence of the double risers, the drainage pipeline occupies a larger space inside the building, and the flow rate of sewage/wastewater discharged in the pipeline is larger, so that the drainage system generates larger noise during drainage, and the normal life of residents is seriously disturbed.

Be linked together drainage system and indoor drain pipe spare, can be with the sewage/waste water drainage of indoor production in the drainage system of discharging, among the prior art, it has water seepage or the interior waterproof layer of bathroom not to do not to make in the drainage pipe of bathroom in the board falls, indoor water will permeate to and falls in the board layer, if waste water stops for a long time in falling the board layer, very easily breed the bacterium, seriously threaten resident' S healthy, in addition, adopt the P type mostly among the indoor drain pipe spare, the U type, S type trap, every drain pipe spare is indoor all the independent connection has a trap promptly, consequently when indoor some trap does not use for a long time, waste water in the trap dries up and leads to the water seal inefficacy, lead to the foul smell to return to overflowing indoor scheduling problem. In addition, the existing P-type, U-type and S-type trap occupies a large space, is easy to block in the using process and is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a reinforced single riser manifold pipe fitting, which comprises a single riser component, a connecting pipe connected with the single riser component and internally communicated with the single riser component, and a centralized water seal component connected with the connecting pipe and internally communicated with the connecting pipe; the single vertical pipe assembly comprises a rotational flow tee joint, a collector spliced with the rotational flow tee joint, a rectifier sleeved with the collector and a reserved drain hole arranged on the rotational flow tee joint; the rectifier comprises a bundling pipe and a plurality of guide ribs, wherein the upper end of the bundling pipe is used for being sleeved with a rotational flow tee joint, the pipe diameter of the bundling pipe is gradually reduced, and the guide ribs are spirally arranged on the inner wall of the bundling pipe and are rotationally symmetrical relative to the central axis of the rectifier.

Preferably, the cyclone tee comprises a first water inlet pipe, a second water inlet pipe connected with the first water inlet pipe and communicated with the interior of the first water inlet pipe, and a pipe joint arranged at the top of the first water inlet pipe.

Preferably, the reserved drain hole is arranged on the periphery of the first water inlet pipe and is positioned right below the second water inlet pipe.

Preferably, concentrate water seal subassembly includes the water seal subassembly, and embedded water seal core that is used for forming the water seal in the water seal subassembly and the reservation pipe fitting that sets up on the water seal subassembly and communicate with the water seal subassembly, wherein, the water seal subassembly is including depositing water spare and with deposit the drainage member that water spare links to each other and inside intercommunication.

Preferably, the connecting part of the first water inlet pipe and the second water inlet pipe is further provided with a baffle, and the outer side wall of the bundling pipe is further provided with a support ring.

Preferably, the water seal core divides the water storage part into a water inlet cavity, a water storage cavity and a water drainage cavity which are arranged in a U shape.

Preferably, the wastewater collector comprises a third water inlet pipe and a fourth water inlet pipe which is connected with the side wall of the third water inlet pipe and is internally communicated, wherein the fourth water inlet pipe is obliquely arranged, and the inner edge of the third water inlet pipe is tangent to the inner edge of the fourth water inlet pipe.

Preferably, the connecting pipe, and the fourth water inlet pipe and the drainage component respectively connected to both ends of the connecting pipe are flat pipes.

Preferably, the water seal core comprises a drainage surface, a semicircular water seal pipe connected with the drainage surface, and a sealing ring clamped on the edge of the water seal core.

Preferably, the centralized water seal assembly further comprises a support member arranged above the water seal assembly, a check valve and a floor drain cover which are arranged on the support member, and a backflow preventing plate is further arranged at the communication position of the water storage member and the water drainage member.

By adopting the technical scheme, the utility model discloses mainly have following technological effect:

1. through set up on the whirl tee bend and reserve the wash port, have the water seepage or the waterproof layer in the bathroom not done in the bathroom in the drainage pipe in the bathroom falls the board, when indoor water permeates and falls the board layer, opens the mode of aperture through using the electric drill in reserving the wash port, makes and falls the water in the board layer and go into first inlet tube through the aperture, avoids waste water to stop for a long time in falling the board layer, breeds the bacterium.

2. Through setting up the concentrator, utilize the third inlet tube to receive the sewage that comes from among the whirl tee bend, utilize the fourth inlet tube to receive the waste water that comes from among the water seal subassembly after, discharge sewage and waste water into drainage pipe system, when whirl discharge sewage and waste water, mutual noninterference.

3. Through setting up the connecting pipe of intercepting length again according to the job site demand to and with the connecting pipe, connect drainage component and the fourth inlet tube design at the connecting pipe both ends for flat pipe, when the actual installation, all lay in the floor of building, compare in the pipe, flat pipe occupies the floor thickness of building still less for dirty waste water drainage manifold is applicable to more building internally mounted, reinforcing practicality.

4. Through setting up concentrated water seal subassembly, utilize to deposit water spare and reserve the pipe fitting and make waste water in buildings such as shower district and washbasin to have catched the drainage piece in the lump, discharge through the connecting pipe again, concentrate the water seal through the sharing, avoid adopting a plurality of drainage pipe fittings and trap, the construction is loaded down with trivial details, the big technical problem in space that drainage pipe fittings occupied.

5. Through setting up the beam-contracting pipe and guiding muscle, sewage is when the beam-contracting pipe with the guiding muscle, through the guiding muscle water conservancy diversion of beam-contracting pipe and spiral distribution, further increases intraductal fluidic tangential velocity, forms more stable cavity whirl, and whirl middle part space is used for ventilating, guarantees that pipeline internal gas pressure is stable, and water discharge flow is big, and the noise is little.

Drawings

Fig. 1 is a schematic structural view of a reinforced single riser manifold pipe fitting of the present invention;

FIG. 2 is a schematic structural view of a swirl tee in a pipe fitting of a reinforced single riser manifold according to the present invention;

FIG. 3 is a schematic view of a manifold of a reinforced single riser manifold pipe of the present invention;

fig. 4 is a schematic structural view of a rectifier in a pipe fitting of a reinforced single riser manifold according to the present invention;

FIG. 5 is a sectional view taken along the line A-A in FIG. 4;

FIG. 6 is a schematic view of an exploded structure of a centralized water seal assembly (without water seal assembly) in a pipe fitting of a reinforced single riser manifold according to the present invention;

FIG. 7 is a schematic view of a water seal assembly in a pipe fitting of a reinforced single riser header of the present invention;

FIG. 8 is a sectional view taken along the line A-A in FIG. 7

Wherein the reference numerals have the following meanings:

1. a single riser assembly; 11. a rotational flow tee joint; 111. a first water inlet pipe; 112. a second water inlet pipe; 113. a pipe interface; 114. a tube wall cavity; 115. a baffle plate; 12. a collector; 121. a third water inlet pipe; 122. a fourth water inlet pipe; 13. a rectifier; 131. a bundling tube; 132. a guide rib; 133. a support ring; 134. a riser; 14. reserving a drain hole;

2. a connecting pipe;

3. a centralized water seal assembly; 31. a water seal assembly; 311. a water storage member; 3111. a water inlet cavity; 3112. a water storage cavity; 3113. a drainage cavity; 312. a drainage member; 32. water sealing the core; 321. a drainage surface; 322. water sealing the pipe; 323. a seal ring; 33. reserving a pipe fitting; 34. a support member; 35. a check valve; 36. a floor drain cover; 37. prevent the adverse current board.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings attached to the specification of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1-8, the utility model provides a single riser of strenghthened type concentrator pipe fitting, single riser concentrator pipe fitting is when actual installation, for the inscription between sewage water main drainage pipe, communicates respectively from top to bottom with main drainage pipe for after gathering the inside sewage and the waste water that produces of building, discharge drainage pipe system, it includes single riser subassembly 1, with connecting pipe 2 that single riser subassembly 1 links to each other and inside is linked together, and with connecting pipe 2 links to each other and the concentrated water seal subassembly 3 that inside is linked together, and it needs to explain here, in this embodiment, sewage refers to the water that discharges out from the closestool, waste water refers to from discharged water such as shower, wash basin.

The single riser component 1 comprises a rotational flow tee joint 11, a sewage collector 12 inserted with the rotational flow tee joint 11, a rectifier 13 sleeved with the collector 12, and a reserved drain hole 14 arranged on the rotational flow tee joint 11; swirl tee bend 11 includes first inlet tube 111, with first inlet tube 111 links to each other and the inside second inlet tube 112 that is linked together to and set up the pipe connector 113 at first inlet tube 111 top, second inlet tube 112 can link to each other with the drain of indoor closestool to the indoor sewage that produces of discharge, pipe connector 113 is used for linking to each other with upper water main drainage pipe for receive sewage or waste water that comes from among the upper water main drainage pipe, wherein, the pipe wall cavity 114 that the connection position of first inlet tube 111 and second inlet tube 112 is expanded for an organic whole volume, the inward flange of pipe wall cavity 114 respectively with first inlet tube 111, the inward flange of second inlet tube 112 is tangent, can make sewage enter into first inlet tube 111 along the adherent whirl of second inlet tube 112 inner wall. The connection manner of the first water inlet pipe 111 and the pipe interface 113 is not limited, and in the present embodiment, preferably, the first water inlet pipe 111 and the pipe interface 113 are integrally formed, and the integrally formed structure can effectively reduce the possibility of leakage of sewage or wastewater from the swirl tee 11, and improve the sealing performance in the drainage process.

Furthermore, after the pipe wall cavity 114 is arranged, when sewage enters the first water inlet pipe 111 from the second water inlet pipe 112, the curvature radius of the sewage clinging to the pipe wall rotational flow can be increased, when the sewage discharge capacity is large, the sewage discharge speed is effectively reduced, the sewage can be guaranteed to cling to the pipe wall rotational flow, the problems that when the curvature radius of the pipeline is too small, the sewage is directly discharged from the pipeline in a direct current manner to cause large noise during drainage, the service life of the pipeline is shortened and the like are solved.

Further, the connecting portion of the first water inlet pipe 111 and the second water inlet pipe 112 is further provided with a baffle 115, sewage in the second water inlet pipe 112 can enter the first water inlet pipe 111 according to a set direction through the baffle 115, the sewage in the first water inlet pipe 111 is prevented from reversely entering the second water inlet pipe 112, when the sewage swirling flow of the upper layer drainage pipeline enters the first water inlet pipe 111, or when the sewage swirling flow of the second water inlet pipe 112 enters the first water inlet pipe 111, the sewage can rush out the second water inlet pipe 112 along the junction of the first water inlet pipe 111 and the second water inlet pipe 112, sewage convection is caused, and a water plug is formed.

The collector 12 comprises a third water inlet pipe 121 and a fourth water inlet pipe 122, wherein the third water inlet pipe 121 is connected with and communicated with the fourth water inlet pipe 122, the connection manner is the same as that of the first inlet pipe 111 and the second inlet pipe 112, that is, the inner wall of the third water inlet pipe 121 is tangent to the inner wall of the fourth water inlet pipe 122, so that the wastewater in the fourth water inlet pipe 122 can enter the third water inlet pipe 121 along the inner wall of the third water inlet pipe 121 to adhere to the wall in a swirling manner, ensures that the sewage/wastewater discharge in the single vertical pipe component 1 is not disturbed while the wastewater can be discharged in a rotational flow manner tightly attached to the pipe wall, in addition, in this embodiment, the fourth water inlet pipe 122 is also inclined at a certain angle, and the fourth water inlet pipe 122 arranged obliquely prevents the waste water from staying in the fourth water inlet pipe 122 for a long time to block the drainage channel and affect the waste water discharge in the collector 12. Preferably, in this embodiment, the included angle between the third water inlet pipe 121 and the fourth water inlet pipe 122 is 90 ° to 100 °.

Rectifier 13 includes that the upper end is used for cup jointing the cylindrical conventional pipe of the play water port of whirl tee bend 11 and sets up at the lower extreme and the receipts beam tube 131 that the pipe diameter reduces gradually, and sets up many guide ribs 132 on the receipts beam tube 131 inner wall, many guide ribs 132 are along the oblique downward spiral setting of the inner wall of receipts beam tube 131, and about rectifier 13's axis rotational symmetry between many guide ribs 132. The outer side wall of the convergent tube 131 is provided with a plurality of support rings 133 protruding from top to bottom for further stabilizing the rectifier 13. The bottom end of the pipe 131 is also connected to a vertical pipe 134, and the vertical pipe 134 is used to connect a single vertical pipe to the lower main drainage pipe. Of course, in this embodiment, the convergent tube 131 and the vertical tube 134 are also integrally formed.

Further, sewage is when converging tube 131 and guide muscle 132, through the guide muscle 132 water conservancy diversion of converging tube 131 and spiral distribution, after swirl tee bend 11 formation whirl, sewage is when converging tube 131 and guide muscle 132, by the guide muscle 132 water conservancy diversion of converging tube 131 and spiral distribution, further strengthen the whirl through guide muscle 132 and converging tube 131, further increase intraductal fluidic tangential velocity, form more stable cavity whirl, whirl middle space is used for ventilating, guarantee that pipeline internal gas pressure is stable, the drainage flow is big, the noise is little.

The reserved drain hole 14 is arranged on the periphery of the first water inlet pipe 111 and located right below the second water inlet pipe 112, the aperture of the reserved drain hole 14 is 1/5-1/4 of the second water inlet pipe 112 and used for draining accumulated water in the falling plate of the toilet, specifically, the reserved drain hole 14 is in a closed state when not in work, when water leaks from a drainage pipeline in the falling plate of the toilet or a waterproof layer in the toilet is not made, and when indoor water permeates into the falling plate layer, an operator can open a small hole in the reserved drain hole 14 by using an electric drill to enable the water in the falling plate layer to be drained into the first water inlet pipe 111 through the small hole, so that waste water is prevented from staying in the falling plate layer for a long time and breeding bacteria.

Concentrate water seal subassembly 3 includes water seal subassembly 31, and embedded water seal core 32 and the setting that is used for forming the water seal in water seal subassembly 31 on water seal subassembly 31 and with the reservation pipe fitting 33 of water seal subassembly 31 intercommunication, water seal subassembly 31 is including depositing water part 311 and with deposit water part 311 and link to each other and the drainage part 312 of inside intercommunication, it is used for receiving the waste water that comes from indoor production to deposit water part 311, and discharge waste water into the connecting pipe 2 that links to each other with drainage part 312 through drainage part 312, water seal core 32 is embedded in depositing water part 311, the utility model discloses in, utilize water seal core 32 and water part 311 to mutually support, form the water seal in water part 311 behind the joint to avoid harmful substance such as aerosol, foul smell among the connecting pipe 2 to get into water seal subassembly 31, then spill over to indoor, threaten resident's physical and mental health. Preferably, in this embodiment, the water storage part 311 and the water discharge part 312 are integrally formed, and the integrally formed structure can effectively reduce the possibility of the waste water leaking from the connection portion of the water storage part 311 and the water discharge part 312. One end of the connecting pipe 2 is connected to the drainage member 312, and the other end is connected to the fourth water inlet pipe 122, in this embodiment, because the fourth water inlet pipe 122 is inclined, in this embodiment, the connecting pipe 2 connected to the fourth water inlet pipe 122 and the drainage member 312 are inclined.

Specifically, the water sealing core 32 includes an arc-shaped drainage surface 321, a semicircular water sealing pipe 322 connected to the drainage surface 321, and a sealing ring 323 clamped on the water sealing core 32, where the drainage surface 321 is configured to receive waste water from indoor and guide the waste water into the water sealing pipe 322, when the water sealing core 32 is embedded in the water storage part 311, there is a gap between the bottom of the water storage part 311 and the bottom of the water storage part 311, and the water storage part 311 is further divided into a water inlet cavity 3111, a water storage cavity 3112 and a water drainage cavity 3113 by the water sealing core 32, where the water inlet cavity 3111, the water storage cavity 3112 and the water drainage cavity 3113 are U-shaped, the waste water flowing to the drainage surface 321 enters the water storage cavity 3112 along the water inlet cavity 3111 under the guiding action of the drainage surface 321, and when the liquid level of the waste water in the water storage cavity 3112 is higher than the lowest point of the water sealing core 32, the water inlet cavity 3111 is isolated from the water drainage cavity 3113 to form a water seal 3113. The liquid level in the water storage 311 continues to rise, and when the liquid level in the water storage 311 rises to a level higher than the lowest point of the drain opening of the drain 312, the waste water in the water storage 311 is discharged from the drain 312 to the connection pipe 2. The sealing ring 323 is clamped on the edge of the water sealing core 32 to enhance the sealing performance in the water sealing assembly 31 and prevent harmful substances such as aerosol, odor and the like from overflowing through the connecting part of the water sealing core 32 and the water storage part 311.

Further, the water seal assembly 31 is provided with a reserved pipe 33 communicated with the water seal assembly 31, and of course, the installation height of the water inlet of the reserved pipe 33 should be higher than the installation height of the water outlet of the water drainage member 312 in the water seal assembly 31, so as to prevent the waste water in the water storage member 311 from flowing back into the reserved pipe 33. The number and functions of the reserved pipes 33 on the water seal assembly 31 are not limited, and preferably, in this embodiment, three groups of reserved pipes 33 are arranged on the water seal assembly 31, for example, the three groups of reserved pipes 33 may be respectively connected to an indoor dry floor drain, a wash basin and a washing machine drain outlet, so that the amount of wastewater in the water storage 311 can be supplemented in time while indoor domestic wastewater is discharged in a centralized manner, the wastewater in the water storage 311 is prevented from drying to the extent that the wastewater level is lower than the lowest point of the water seal core 32, and thus the water seal in the water seal assembly 31 is prevented from being failed.

The centralized water seal assembly 3 further comprises a support member 34 arranged above the water seal assembly 31, a check valve 35 and a floor drain cover 36 which are arranged on the support member 34, when the wastewater enters the water seal assembly 31 through the floor drain cover 36, firstly, the floor drain cover 36 filters impurities in the wastewater, the wastewater filtered through the floor drain cover 36 enters the water seal assembly 31 through the check valve 35, so as to reduce the possibility of congestion in the water seal assembly 31, the check valve 35 is in an open state when the wastewater flows into the water seal assembly 31 from the floor drain cover 36, and is in a closed state when no wastewater exists, the check valve 35 in the closed state enables the water seal assembly 31 to be in a closed state, so that the wastewater in the water buffer member 311 is prevented from evaporating, and when the discharge amount of the wastewater flowing to the water seal assembly 31 from the reserved pipe member 33 is large, the wastewater in the water storage member 311 can be prevented from overflowing to the ground through the floor drain cover 36, and prevents mosquitoes in the sewer from entering the room.

Above-mentioned structure, when overhauing concentrated water seal assembly 3, operating personnel only need take out in proper order and lie in the floor drain cover 36, check valve 35 and support piece 34 in the shower district ground, can overhaul water seal assembly 31 and the water seal core 32 of embedded in water seal assembly 31, and overhaul the field of vision good, convenient and fast.

Furthermore, the communicating part of the water storage part 311 and the water discharge part 312 is further provided with a backflow prevention plate 37, and by the arrangement of the backflow prevention plate 37, the wastewater in the connecting pipe 2 is effectively prevented from flowing back to the water storage part 311 from the water discharge part 312, so that the backflow prevention effect is achieved.

The two ends of the connecting pipe 2 are respectively connected with the drainage piece 312 and the fourth water inlet pipe 122 and are used for leading the wastewater in the centralized water seal assembly 3 into the concentrator 12 and then collecting the wastewater into a drainage system.

Finally, it should be noted that: the embodiment of the present invention is only disclosed as a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A reinforced single vertical pipe concentrator pipe fitting is characterized by comprising a single vertical pipe assembly (1), a connecting pipe (2) connected with the single vertical pipe assembly (1) and internally communicated with the single vertical pipe assembly, and a centralized water seal assembly (3) connected with the connecting pipe (2) and internally communicated with the single vertical pipe assembly; the single vertical pipe assembly (1) comprises a rotational flow tee joint (11), a collector (12) spliced with the rotational flow tee joint (11), a rectifier (13) sleeved with the collector (12), and a reserved drain hole (14) arranged on the rotational flow tee joint (11); rectifier (13) are used for cup jointing whirl tee bend (11) and the convergent pipe (131) that the pipe diameter reduces gradually including the upper end to and the spiral sets up many relative rectifier (13) axis rotational symmetry's on convergent pipe (131) inner wall guide muscle (132).

2. A reinforced single riser header pipe according to claim 1, wherein the swirl tee (11) comprises a first inlet pipe (111), a second inlet pipe (112) connected to and communicating with the first inlet pipe (111), and a pipe joint (113) provided at the top of the first inlet pipe (111).

3. A reinforced single riser header pipe according to claim 2, characterized in that the pre-drainage holes (14) are arranged at the periphery of the first inlet pipe (111) and directly below the second inlet pipe (112).

4. A reinforced single vertical pipe header pipe fitting according to claim 3, wherein the centralized water seal assembly (3) comprises a water seal assembly (31), a water seal core (32) embedded in the water seal assembly (31) for forming water seal, and a reserved pipe fitting (33) arranged on the water seal assembly (31) and communicated with the water seal assembly (31), wherein the water seal assembly (31) comprises a water storage member (311) and a water drainage member (312) connected with and communicated with the water storage member (311).

5. A reinforced single riser header pipe according to claim 3, characterized in that the connection between the first inlet pipe (111) and the second inlet pipe (112) is further provided with a baffle (115), and the outer side wall of the bundling pipe (131) is further provided with a support ring (133).

6. A reinforced single riser manifold pipe according to claim 4, characterized in that the water seal core (32) divides the water trap (311) into a U-shaped inlet chamber (3111), a water trap chamber (3112) and a drain chamber (3113).

7. A reinforced single riser header pipe according to claim 4 wherein the header (12) comprises a third inlet pipe (121), a fourth inlet pipe (122) connected to and communicating with the side wall of the third inlet pipe (121), wherein the fourth inlet pipe (122) is inclined and the inner edge of the third inlet pipe (121) is tangent to the inner edge of the fourth inlet pipe (122).

8. An enhanced single riser header pipe according to claim 7, characterized in that the connecting pipe (2), the fourth inlet pipe (122) and the drainage member (312) connected to the two ends of the connecting pipe (2) are flat pipes.

9. A reinforced single riser header pipe according to claim 6 wherein the water seal core (32) comprises a drainage surface (321), a semicircular water seal pipe (322) connected to the drainage surface (321), and a sealing ring (323) clamped on the edge of the water seal core (32).

10. A reinforced single riser collector pipe according to claim 4, wherein the centralized water seal assembly (3) further comprises a support member (34) disposed above the water seal assembly (31), a check valve (35) and a floor drain cover (36) mounted on the support member (34), and a backflow prevention plate (37) is further disposed at a communication position of the water storage member (311) and the water discharge member (312).

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