Water seal device for domestic wastewater discharge pipe of building

Abstract

The utility model provides a water seal device for a domestic outdoor wastewater discharge pipe of a building, and solves the problems that a drainage water seal is easy to dry up after being not used for a long time, and condensed water of an air conditioner cannot be reasonably utilized. The device comprises a U-shaped water sealing pipe buried in the ground, two upper ports of the U-shaped water sealing pipe are provided with cleaning sealing covers, and the U-shaped water sealing pipe is located on the outer side of a building outer wall; a condensate water inlet pipe connector and an indoor waste water discharge pipe connector are arranged on the side, facing the building outer wall, of the U-shaped water sealing pipe, the condensate water inlet pipe connector is located above the indoor waste water discharge pipe connector, the indoor waste water discharge pipe connector is connected with the lower end of the indoor waste water discharge pipe, and the condensate water inlet pipe connector is connected with the lower end of the condensate water collecting pipe. The condensate water collecting pipe is connected with an air conditioner condensate water discharge pipe; an outdoor waste water discharge pipe joint is arranged on the side, away from the building outer wall, of the U-shaped water sealing pipe and connected with the drainage inspection well through an outdoor waste water discharge pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of building drainage, in particular to a water sealing device for a wastewater discharge pipe outside the living area of ​​a building. Background Art

[0002] At present, the domestic drainage network in the community outside the building generally adopts a sewage and wastewater combined system. The indoor wastewater riser of the building is directly discharged to the outdoor drainage inspection well through the discharge pipe. The domestic wastewater riser is connected to the wash basin, shower floor drain, kitchen sink, etc. on each floor. In real life, there are often some water-using appliances that are not used for a long time or the owners do not pay attention to the regular replenishment of the drainage water seal, resulting in the drying of the drainage water seal of the appliance connecting the indoor air and the drainage network. When the water seal of the indoor drainage appliance dries up, the harmful gases and foul odors in the outdoor drainage inspection well will enter the room through the discharge pipe and the wastewater riser, affecting the indoor air environment.

[0003] The condensed water from building air conditioners is discharged randomly around the building and cannot be used reasonably, which not only wastes water resources but also affects the appearance of the building environment. Utility Model Content

[0004] In order to solve the problems in the background technology that the drainage water seal is easy to dry up after long-term non-use and the air conditioning condensate water cannot be reasonably utilized, the utility model proposes a water seal device for the outdoor wastewater discharge pipe of a building.

[0005] The technical solution of the utility model is: a water seal device for a wastewater discharge pipe outside a living room of a building, comprising a U-shaped water seal pipe buried in the ground, two upper ends of the U-shaped water seal pipe are provided with cleaning covers, and the U-shaped water seal pipe is located outside the outer wall of the building;

[0006] A condensate inlet pipe joint and an indoor wastewater outlet pipe joint are provided on one side of the U-shaped water seal pipe facing the building exterior wall. The condensate inlet pipe joint is located above the indoor wastewater outlet pipe joint. The indoor wastewater outlet pipe joint is connected to the lower end of the indoor wastewater outlet pipe. The condensate inlet pipe joint is connected to the lower end of the condensate collection pipe. The condensate collection pipe is connected to the air conditioner condensate outlet pipe.

[0007] An outdoor wastewater discharge pipe joint is provided on the side of the U-shaped water seal pipe away from the outer wall of the building. The outdoor wastewater discharge pipe joint is lower than the condensation water inlet pipe joint. The outdoor wastewater discharge pipe joint is connected to one end of the outdoor wastewater discharge pipe, and the other end of the outdoor wastewater discharge pipe is connected to the drainage inspection well.

[0008] Preferably, a vent pipe joint is provided on the side of the U-shaped water seal pipe facing the exterior wall of the building. The vent pipe joint is located above the condensed water inlet pipe joint. The vent pipe joint is connected to one end of the vent pipe, and the other end of the vent pipe passes upward through the ground to communicate with the outside air.

[0009] Preferably, a filter cover is provided at the pipe opening at the other end of the ventilation pipe.

[0010] Preferably, the two vertical pipe sections of the U-shaped water seal pipe are each provided with a purge nozzle adapted thereto and capable of sliding up and down, the purge nozzle comprising a straight pipe section and a tapered pipe section arranged at the bottom of the straight pipe section, and the lower end of the tapered pipe section is provided with an air outlet hole which is transparent up and down;

[0011] The purge nozzle is connected to the bottom of the cleaning cover through a hanging rope, and the purge nozzle can be pulled out of the U-shaped water seal pipe through the hanging rope.

[0012] Preferably, an annular rubber sleeve is fixedly provided on the outer wall of the straight pipe section, and the outer diameter of the rubber sleeve is equal to the inner diameter of the U-shaped water seal pipe.

[0013] The advantages of the utility model are as follows: (1) The U-shaped water seal pipe is connected to the condensate collection pipe, which collects the condensate from the air conditioner. The condensate drainage water has good water quality and can be directly used as water replenishment for the U-shaped water seal pipe to avoid the drying of the U-shaped water seal pipe. The harmful gases and foul odors in the drainage inspection well will enter the room through the outdoor wastewater discharge pipe, the U-shaped water seal pipe, and the indoor wastewater discharge pipe joint, affecting the indoor air environment. At the same time, the recycling and reuse of the condensate from the air conditioner is also realized, avoiding the direct discharge of the condensate from the air conditioner to the outside, affecting the appearance of the building environment, and saving water resources.

[0014] (2) This device uses a U-shaped water seal pipe with two cleaning ports. When both sides of the U-shaped water seal pipe are blocked, they can be cleaned and unblocked in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the connection structure of the water seal device of Example 1 when in use;

[0017] Figure 2 for Figure 1 Schematic diagram of the internal structure of the water seal device;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure of the cleaning cover and the purge nozzle connected thereto;

[0019] In the figure, 1, ground, 3, building exterior wall, 4, indoor ground, 5, U-shaped water seal pipe, 501, indoor wastewater discharge pipe joint, 502, outdoor wastewater discharge pipe joint, 503, condensate inlet pipe joint, 504, ventilation pipe joint, 6, cleaning cover, 7, indoor wastewater discharge pipe, 8, condensate collection pipe, 9, ventilation pipe, 10, filter cover, 11, outdoor wastewater discharge pipe, 12, drainage inspection well, 13, rope joint, 14, lifting rope, 15, purge nozzle, 1501, air outlet, 16, rubber sleeve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1: A water seal device for a wastewater discharge pipe outside a building, such as Figure 1 As shown, it includes a U-shaped water seal pipe 5 buried in the ground 1, and two upper ends of the U-shaped water seal pipe 5 are provided with cleaning covers 6, and the U-shaped water seal pipe 5 is located on the outside of the building outer wall 3.

[0022] A condensate inlet pipe joint 503 and an indoor wastewater discharge pipe joint 501 are provided on the side of the U-shaped water seal pipe 5 facing the building exterior wall 3. The condensate inlet pipe joint 503 is located above the indoor wastewater discharge pipe joint 501. The indoor wastewater discharge pipe joint 501 is connected to the lower end of the indoor wastewater discharge pipe 7. The condensate inlet pipe joint 503 is connected to the lower end of the condensate collecting pipe 8, and the condensate collecting pipe 8 is connected to the air conditioning condensate discharge pipe.

[0023] An outdoor wastewater discharge pipe joint 502 is provided on the side of the U-shaped water seal pipe 5 away from the building outer wall 3. The outdoor wastewater discharge pipe joint 502 is lower than the condensation water inlet pipe joint 503. The outdoor wastewater discharge pipe joint 502 is connected to one end of the outdoor wastewater discharge pipe 11, and the other end of the outdoor wastewater discharge pipe 11 is connected to the drainage inspection well 12.

[0024] A ventilation pipe joint 504 is provided on the side of the U-shaped water seal pipe 5 facing the building exterior wall 3. The ventilation pipe joint 504 is located above the condensed water inlet pipe joint 503. The ventilation pipe joint 504 is connected to one end of the ventilation pipe 9. The other end of the ventilation pipe 9 passes upward through the ground 1 to communicate with the outside air. The height of the ventilation pipe 9 after passing through the ground should not be less than the local maximum historical snow thickness. A filter cover 10 is provided at the pipe opening of the other end of the ventilation pipe 9 to prevent rats and debris from entering.

[0025] like Figure 2 and Figure 3 As shown, the two vertical pipe sections of the U-shaped water seal pipe 5 are each provided with a purge nozzle 15 adapted thereto and capable of sliding up and down. The purge nozzle 15 comprises a straight pipe section and a conical pipe section arranged at the bottom of the straight pipe section. The lower end of the conical pipe section is provided with an air outlet 1501 which is transparent from top to bottom.

[0026] The purge nozzle 15 is connected to the bottom of the cleaning cover 6 via a hanging rope 14 , and the purge nozzle 15 can be pulled out of the U-shaped water seal pipe 5 via the hanging rope 14 .

[0027] An annular rubber sleeve 16 is fixedly sleeved on the outer wall of the straight pipe section, and the outer diameter of the rubber sleeve 16 is equal to the inner diameter of the U-shaped water seal pipe 5.

[0028] The top of the U-shaped water seal pipe 5 is flush with the outdoor ground, the left end vertical pipe section of the U-shaped water seal pipe 5 has a specification of DN150, the elbow section has a specification of DN150, and the right end vertical pipe section has a specification of DN100. The indoor wastewater discharge pipe joint 501 is located on the right side of the elbow section of DN150, the outdoor wastewater discharge pipe joint 502 is located on the left side of the elbow section of DN150, and the condensate inlet pipe joint 503 and the ventilation pipe joint 504 are both located on the right end vertical pipe section of DN100.

[0029] The vertical distance between the lowest point of the indoor wastewater discharge pipe 7 and the top of the bend of the U-shaped water seal pipe 5 is 100mm, so that the water seal depth is 100mm. The vertical distance between the lowest point of the indoor wastewater discharge pipe 7 and the outdoor wastewater discharge pipe 11 and the bottom of the bend of the U-shaped water seal pipe 5 is 250mm. The inner diameters of the indoor wastewater discharge pipe 7 and the outdoor wastewater discharge pipe 11 are the same. In this embodiment, the indoor wastewater discharge pipe 7 and the outdoor wastewater discharge pipe 11 are pipes of DN150.

[0030] The vertical distance between the lowest point of the condensate inlet pipe joint 503 and the indoor wastewater discharge pipe 7 is greater than 150 mm to prevent the odor in the domestic wastewater pipe network from entering the room. The inner diameters of the condensate inlet pipe joint 503 and the vent pipe 9 are the same, and the inner diameters of the condensate inlet pipe joint 503 and the vent pipe 9 are smaller than the inner diameters of the indoor wastewater discharge pipe 7 and the outdoor wastewater discharge pipe 11. The condensate inlet pipe joint 503 and the vent pipe 9 in this embodiment use DN75 pipes.

[0031] Working principle: (1) The U-shaped water seal pipe 5 is connected to the condensate collection pipe 8, which collects air conditioning condensate. The condensate drainage water has good water quality and can be directly used as water replenishment for the U-shaped water seal pipe 5 to prevent the U-shaped water seal pipe 5 from drying up. The harmful gases and foul odors in the drainage inspection well 12 will enter the room through the outdoor wastewater discharge pipe 11, the U-shaped water seal pipe 5, and the indoor wastewater discharge pipe joint 501, affecting the indoor air environment. At the same time, the recycling and reuse of air conditioning condensate is also realized, avoiding the direct discharge of air conditioning condensate to the outside world, affecting the building environment and saving water resources.

[0032] (2) The device adopts a U-shaped water seal pipe 5 with two cleaning ports. When both sides of the U-shaped water seal pipe 5 are blocked, they can be cleaned and unblocked in time.

[0033] (3) A vent pipe 9 connected to the outside air is provided on the U-shaped water seal pipe 5, so as to timely balance the pressure fluctuation of the indoor drainage system of the building and ensure that the U-shaped water seal pipe 5 is not damaged; a filter cover 10 is provided at the upper end of the vent pipe 9 to filter large particles of debris and prevent the vent pipe 9 from being blocked by large particles of debris.

[0034] (4) A purge nozzle 15 is provided in the U-shaped water seal pipe 5 to increase the gas flow rate after the purge gas flows through the purge nozzle 15 and enhance the purge effect. The purge nozzle 15 at the purge end can also be pulled out of the U-shaped water seal pipe 5 through the suspension rope 14 connected to the purge cover 6 to avoid affecting the purge effect.

[0035] The rubber sleeve 16 arranged on the outer wall of the straight pipe section of the purge nozzle 15 can prevent the purge nozzle 15 from colliding with the inner wall of the U-shaped water seal pipe 5 when high-pressure gas flows through the purge nozzle 15 during purging, thereby reducing noise and protecting the U-shaped water seal pipe 5.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A water seal device for a domestic wastewater discharge pipe of a building, Features: It comprises a U-shaped water seal pipe (5) buried in the ground (1), two upper ends of the U-shaped water seal pipe (5) are provided with cleaning covers (6), and the U-shaped water seal pipe (5) is located outside the building outer wall (3); A condensate inlet pipe joint (503) and an indoor wastewater outlet pipe joint (501) are provided on the side of the U-shaped water seal pipe (5) facing the building exterior wall (3); the condensate inlet pipe joint (503) is located above the indoor wastewater outlet pipe joint (501); the indoor wastewater outlet pipe joint (501) is connected to the lower end of the indoor wastewater outlet pipe (7); the condensate inlet pipe joint (503) is connected to the lower end of the condensate collection pipe (8); and the condensate collection pipe (8) is connected to the air conditioning condensate outlet pipe; An outdoor wastewater discharge pipe joint (502) is provided on the side of the U-shaped water seal pipe (5) away from the building exterior wall (3); the outdoor wastewater discharge pipe joint (502) is lower than the condensate inlet pipe joint (503); the outdoor wastewater discharge pipe joint (502) is connected to one end of the outdoor wastewater discharge pipe (11); and the other end of the outdoor wastewater discharge pipe (11) is connected to the drainage inspection well (12).

2. A water seal device for a building domestic wastewater discharge pipe as claimed in claim 1, Features: A ventilation pipe joint (504) is provided on the side of the U-shaped water seal pipe (5) facing the building exterior wall (3); the ventilation pipe joint (504) is located above the condensed water inlet pipe joint (503); the ventilation pipe joint (504) is connected to one end of the ventilation pipe (9); the other end of the ventilation pipe (9) passes upward through the ground (1) to communicate with the outside air.

3. A water seal device for a building domestic wastewater discharge pipe as claimed in claim 2, Features: A filter cover (10) is provided at the pipe opening of the other end of the ventilation pipe (9).

4. A water seal device for a building domestic wastewater discharge pipe as claimed in claim 1, Features: The two vertical pipe sections of the U-shaped water seal pipe (5) are each provided with a purge nozzle (15) adapted thereto and capable of sliding up and down, the purge nozzle (15) comprising a straight pipe section and a conical pipe section arranged at the bottom of the straight pipe section, the lower end of the conical pipe section being provided with an air outlet (1501) which is transparent from top to bottom; The purge nozzle (15) is connected to the bottom of the cleaning cover (6) via a hanging rope (14), and the purge nozzle (15) can be pulled out of the U-shaped water seal pipe (5) via the hanging rope (14).

5. A water seal device for a building domestic wastewater discharge pipe as claimed in claim 4, Features: An annular rubber sleeve (16) is fixedly sleeved on the outer wall of the straight pipe section, and the outer diameter of the rubber sleeve (16) is equal to the inner diameter of the U-shaped water seal pipe (5).

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