CN111593793A - Building integrated water seal vent drain pipe fitting - Google Patents
Building integrated water seal vent drain pipe fitting Download PDFInfo
- Publication number
- CN111593793A CN111593793A CN202010489680.3A CN202010489680A CN111593793A CN 111593793 A CN111593793 A CN 111593793A CN 202010489680 A CN202010489680 A CN 202010489680A CN 111593793 A CN111593793 A CN 111593793A
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- drainage
- water seal
- connecting piece
- channel
- vent
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention relates to a building integrated water seal ventilating and draining pipe fitting, which consists of a ventilating connecting piece, an integrated water seal, a draining connecting piece and a draining and exhausting channel; the upper ventilating interface and the lower ventilating interface are arranged on the ventilating connecting piece, the integrated water seal is provided with a wastewater pipe interface, a water seal baffle plate, a water seal channel and a water seal channel outlet, the upper drainage interface, the lower drainage interface and a sewage horizontal pipe interface are arranged on the drainage connecting piece, and the integrated water seal is communicated with the drainage connecting piece through the water seal drainage outlet channel and the drainage exhaust channel. The invention can solve the problems that the area of a pipeline well is large, sewage and wastewater in the drainage vertical pipe and the ventilation vertical pipe can flow back into the integrated water seal, and the direction of the sewage cross branch pipe connector can not rotate freely when the existing product is applied to a drainage system provided with a special ventilation vertical pipe, and achieves the purposes of saving cost, increasing the use space, facilitating construction and improving the sanitation and epidemic prevention safety of the drainage system.
Description
Technical Field
The invention relates to a building drainage pipe fitting, in particular to a building integrated water seal ventilation drainage pipe fitting.
Background
The traditional high-rise building needs to be provided with a special ventilating vertical pipe, the special ventilating vertical pipe needs to reserve a hole when penetrating through a structural ground floor slab, and when the floor slab does not descend, the building floor slab needs to reserve a hole for integrating a water seal product, so that a drainage part needs to reserve a larger hole in the building floor slab, and the bearing phenomenon of the ground structure is influenced; when the integrated water seal is combined with the ventilation vertical pipe, drainage of the drainage vertical pipe flows into the integrated water seal through an opening communicated with the ventilation vertical pipe, construction teams are different in quality, when the drainage vertical pipe is installed in an irregular mode or a traditional ventilation pipe fitting is adopted, drainage of the drainage vertical pipe is discharged downwards from the ventilation vertical pipe, sewage and wastewater in the lower row flows into the water seal in an irregular mode due to the arrangement of the water seal, drainage of the drainage vertical pipe is life drainage of different users on different floors, when pathogenic bacteria exist in drainage of one family, the drainage of the family flows into water seals of other families below, the family can run out of a room from a drainage interface (such as a floor drain, a washing machine and the like) connected with the water seal, cross infection is formed, and human health is affected; meanwhile, the product combining the integrated water seal and the ventilation vertical pipe on the market is fixed in the direction of a drainage opening of the sewage connecting piece, and can only be connected with a drainage device in one direction for drainage, the change of the direction is difficult or cannot be completed due to space limitation, and the connection and the drainage can not be realized in the mean square mode when the drainage device is arranged in different directions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a drainage pipe fitting used in a building, which can enable a drainage vertical pipe, a ventilation vertical pipe and a water seal to be integrated in the same drainage pipe fitting, reduce the occupation of a drainage part on a floor of a building ground structure and reduce the size of a reserved hole of the floor; meanwhile, the fault tolerance of product installation and construction can be fully considered, namely, when the product is used under the condition that a construction team is not standard or partial products are provided with defects, the water discharged from the drainage vertical pipe or the ventilation vertical pipe cannot flow into the integrated water seal, the drainage safety can be greatly improved, and meanwhile, when drainage appliances in different directions are conveniently connected, the floor space occupied by the drainage horizontal pipe is not increased, and the drainage component for improving the building space utilization rate is improved.
The invention relates to a building integrated water seal ventilating and draining pipe fitting which comprises a ventilating connecting piece, an integrated water seal, a draining connecting piece and a draining and exhausting channel; the ventilation connecting piece is provided with a ventilation upper interface and a ventilation lower interface; the integrated water seal is provided with a wastewater pipe interface, a water seal baffle, a water seal channel outlet and a water seal drainage outlet channel; the drainage connecting piece is provided with a drainage upper connector, a drainage lower connector, a sewage transverse pipe lower connector, a sewage transverse pipe upper connector and a rubber sealing ring; the ventilation connecting piece is communicated with the drainage connecting piece through the inner wall of the drainage and exhaust channel, and the outer walls of the rest of the ventilation connecting piece and the drainage connecting piece except for all the interfaces are closed; the integrated water seal is communicated with the drainage connecting piece through a water seal drainage outlet channel and a drainage exhaust channel; the drainage and exhaust channel is positioned below the integrated water seal, the water seal drainage outlet channel and the water seal vent and is communicated with the ventilation connecting piece; the drainage and exhaust channel is provided with an exhaust ventThe structure ensures that the air exhaust or air supplement during the drainage of the vertical drainage pipe cannot be influenced during the drainage of the integrated water seal, and simultaneously the air supplement during the drainage of the integrated water seal can also be realized, so that the pressure fluctuation generated by the drainage in the vertical drainage pipe and the horizontal drainage pipe connected with the integrated water seal is balanced, and the drainage flow of the vertical pipe can be improved; the air exhaust vent is positioned above the water drainage vent, and the structure can prevent drainage of the drainage vertical pipe from flowing into the ventilation vertical pipe; the structure can prevent sewage of the drainage vertical pipe from flowing into the ventilation vertical pipe, flowing into the integrated water seal from the upper part of the integrated water seal, and running into a room from wastewater appliances (floor drains, washing machines and the like) connected with the integrated water seal to cause pathogenic bacteria cross infection, so that the drainage safety can be improved; the height difference distance between the highest position of the communication position of the drainage vent and the drainage connecting piece and the lowest position of the water seal communication port is more than 10 mm; the sectional areas of the drainage and exhaust channels are all larger than 1500mm2The width of the narrowest part is more than 15mm, and the structure can ensure that when the integrated water seal discharges waste water in the smallest size range, the drainage and ventilation of the vertical drainage pipe are not influenced, the pressure fluctuation in the vertical drainage pipe can be balanced, and the drainage flow of the vertical pipe is not influenced under the condition that the product occupies the building space; the integrated water seal is clamped between the drainage connecting piece and the ventilation connecting piece, the wastewater pipe interface is communicated with a water seal channel and a water seal communicating port of the inner cavity, and hollow channels of the inner cavity below the wastewater pipe interface in the integrated water seal are water seal channels; the water seal channel of the integrated water seal inner cavity is communicated with the inner walls of the ventilating connecting piece and the drainage connecting piece, and the outer wall of the integrated water seal inner cavity is sealed; the integrated water is sealed in the inner cavity, the water seal baffle plate divides the hollow inner cavity into two independent water seal channels which are communicated except for a bottom communication port and are sealed at other places; the fall of the bottom of the water seal baffle and the bottommost position of the water seal communication port (205) is more than 25mm, the narrowest position of the water seal channel is more than 15mm, and the area of the cross section of water is more than 1000mm2The structure reduces the occupation of integrated water sealThe integrated water seal can meet the water seal height, and the width of a water seal runner and the area of a water passing section are increased in the minimum space range by using the whole product space; the exhaust vent is positioned at the communication position of the exhaust connecting piece and the ventilation channel, the water seal vent is positioned at the communication position of the water seal drainage outlet channel and the ventilation channel, and the drainage vent is positioned at the lower communication position of the drainage connecting piece and the ventilation channel; the drainage connecting piece is positioned on one side of the water seal drainage outlet channel, the drainage upper connector is positioned above the drainage vent, the drainage lower connector is positioned below the drainage vent, the drainage upper connector is a socket, the rubber sealing ring is positioned in the socket or at the upper end of the socket, the outer wall of the sewage horizontal pipe lower connector is sleeved on the inner wall of the rubber sealing ring and the socket of the drainage upper connector, the structure can rotate the sewage horizontal pipe connector towards an angle, and the drainage pipe connected with the sewage horizontal pipe connector can adapt to the layout of drainage appliances at any position under the condition that the building space occupied by the drainage pipe connected with the sewage horizontal pipe connector is not increased; the bottom of the outer wall of the sewage horizontal pipe connector is higher than the lowest part of the water seal communication port by more than 10mm, and when the drainage device connected with the sewage horizontal pipe connector drains water, the drainage of the drainage device connected with the sewage horizontal pipe connector is not influenced by the structure; the total length of the outer wall of the building integrated water seal ventilating pipe fitting is less than 700mm, the width of the outer wall of the building integrated water seal ventilating pipe fitting is less than 260mm, and the highest position of the drainage water interface of the drainage connecting piece is more than 10mm higher than the lowest position of the water seal communication port; the height from the bottom of the waste water pipe connector of the integrated water seal to the outer wall of the bottom of the water seal flow channel is larger than 90mm and smaller than 200mm, the structure is combined with other structures of a product, so that the product can reduce the size of the product appearance to occupy the space of a building plane under the condition that the technical indexes of the product meet the requirements of water seal, flow channel and drainage flow rate, the product can be embedded in a floor slab at the height, the waste water pipe connector can expose the floor slab, the connected pipeline pipe fittings can be conveniently connected and maintained, and the bottom of the water seal channel is not exposed out of the bottom surface of the floor slab.
The water guide baffle is arranged at the lower end of the water seal drainage outlet channel and above the water seal vent of the building integrated water seal ventilating and draining pipe fitting, and the structure can guide the drainage passing through the integrated water seal to flow into the drainage vertical pipe and avoid the drainage into the ventilation vertical pipe.
The integrated water seal ventilating and draining pipe fitting for the building has the advantages that the channel baffle plate is upwards arranged at the top end of the exhaust channel, and the structure can prevent drainage in the draining vertical pipe from flowing into the ventilating vertical pipe.
The invention is applied to the building, the upper interface of the sewage horizontal pipe above the upper interface of the drainage connecting piece is connected with the upper drainage vertical pipe, the lower interface of the drainage is connected with the lower drainage vertical pipe, the interface of the sewage horizontal pipe is connected with the toilet bowl or other drainage devices, the upper interface of the ventilation connecting piece is connected with the upper ventilation vertical pipe, the lower interface of the ventilation connecting piece is connected with the lower ventilation vertical pipe, the interface of the sewage horizontal pipe is connected with the drainage of the waste water devices such as floor drains, wash basins and washing machines, etc., because the upper interface of the drainage of the vertical pipe drainage connecting piece is a socket, the inner wall or upper end of the socket is provided with a rubber sealing ring, the outer wall of the lower interface of the sewage horizontal pipe is sleeved in the rubber sealing ring, when the toilet bowl is arranged at any position, the orientation of the interface of the; because the highest point of the drainage vent hole is lower than the lowest point of the water seal communication port by more than 10mm, the exhaust channel is positioned below the integrated water seal and the water seal drainage outlet channel, and the bottom of the outer wall of the sewage horizontal pipe connector is higher than the lowest point of the water seal communication port by more than 10mm, when the sewage horizontal pipe drains water, the drainage cannot be discharged from the drainage vent hole, and flows into the integrated water seal from the water seal communication port, and when the height difference between the highest point of the drainage vent hole and the lowest point of the water seal communication port is less than 10mm, the sewage easily flows into the integrated water seal; because of the internal structure of the integrated water seal, the drop height between the bottom of the water seal baffle plate and the bottom of the water seal communication port in the integrated water seal forms the water seal height, the volume of the integrated water seal is reduced, but the drainage flow passage and the water passing section are increased, the drainage flow of the integrated water seal can be improved, the drainage of a drainage device connected with the horizontal pipe connector of the wastewater flows through the bottom of the water seal baffle plate, flows out of the bottom of the water seal communicating port, flows down from the water seal drainage outlet channel, is discharged into the drainage connecting piece through the drainage vent at the lower part of the air channel and is discharged into the lower drainage vertical pipe, because the ventilation channel is communicated with the integrated water seal and the ventilation connecting piece and is arranged below the integrated water seal, when the water seal drainage outlet channel is used for bearing the drainage of the integrated water seal, meanwhile, the air exhaust and air suction of the vertical drainage pipe can be completed through the ventilation channel, and the water guide baffle can guide the drainage of the wastewater appliance flowing through the integrated water seal from the drainage air vent to be drained into the vertical drainage pipe; because the water seal drainage outlet channel is positioned above the exhaust vent and the drainage exhaust channel, the water seal drainage outlet channel is communicated with the water seal channel through the water seal communication port and is sealed with the ventilation connecting piece above the bottom of the wastewater pipe interface, the structure prevents partial drainage of the drainage vertical pipe from flowing down from the ventilation vertical pipe and flowing into the integrated water seal from the water seal communication port when the product defects or construction team quality problems cause pathogenic bacteria cross infection; the integrated water seal, the connecting piece of ventilating, the inside structure of drainage connecting piece and the passageway of ventilating, the restriction of whole product external dimension also restricts the size of product inner structure simultaneously, makes the product satisfy the drainage, ventilate, under the big condition of drainage flow, reduces the internal dimension of whole product, combines the external dimension of whole product, makes the product use in the building can improve the availability factor in building plane space.
Drawings
Fig. 1 is a schematic structural diagram (1) of the present invention.
Fig. 2 is a schematic structural diagram (2) of the present invention.
FIG. 3 is a top view of the present invention.
Fig. 4 is a perspective external view of the present invention.
Detailed Description
The following is a further description of the invention, but not limited to, embodiments thereof, with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the building integrated water seal ventilating and draining pipe fitting of the invention is composed of a ventilating connector 1, an integrated water seal 2, a draining connector 3 and a draining and exhausting channel 4. The ventilation connecting piece 1 is provided with a ventilation upper interface 101 and a ventilation lower interface 102; the integrated water seal 2 is provided with a wastewater pipe interface 201, a water seal baffle 203, a water seal channel 204, a water seal channel outlet 205 and a water seal drainage outlet channel 206; the upper 3 of the drainage connecting piece is provided with a drainage upper connector 301, a drainage lower connector 302 and a sewage horizontal pipe connector 304; the ventilating connecting piece 1 and the drainage connecting piece 3 pass through the drainage and exhaust channel 4The walls are communicated, and the outer walls of the other parts except the interfaces are closed; the integrated water seal 2 is communicated with the drainage connecting piece 3 through a water seal drainage outlet channel 206 and a drainage exhaust channel 4; the drainage and exhaust channel 4 is positioned below the integrated water seal 2, the water seal drainage outlet channel 206 and the water seal vent 207 and is communicated with the ventilation connecting piece 1; the drainage and exhaust channel 4 is provided with an exhaust vent 103, a water seal vent 207 and a drainage vent 303; the air exhaust vent 103 is positioned above the water drainage vent 303; the water-sealing drainage outlet channel 206 is positioned above the exhaust vent 103 and the drainage exhaust channel 4, the water-sealing drainage outlet channel 206 is communicated with the water-sealing channel 204 through a water-sealing communicating port 205 and is sealed with the ventilation connecting piece 1 above the bottom of the wastewater pipe interface 201; the height difference distance that the highest position a of the communication part of the drainage vent 303 and the drainage connecting piece 3 is lower than the lowest position b of the water seal communication port 205 is 60 mm; the sectional area of the drainage and exhaust channel 4 is 2500mm2And the width of the narrowest part is 45 mm; the integrated water seal 2 is clamped between the drainage connecting piece 3 and the ventilation connecting piece 1, the wastewater pipe interface 201 is communicated with a water seal channel 204 and a water seal communicating port 205 of an inner cavity, and hollow channels of the inner cavity below the wastewater pipe interface 201 in the integrated water seal 2 are water seal channels 204; the water seal channel 204 of the inner cavity of the integrated water seal 2 is communicated with the inner walls of the ventilating connecting piece 1 and the drainage connecting piece 3, and the outer wall is sealed; the integrated water seal 2 is arranged in the inner cavity, the water seal baffle plate 203 divides the hollow inner cavity into two independent water seal channels 204 which are communicated except for a bottom communication port and are sealed at other places; the fall between the bottom c of the water seal baffle plate 203 and the bottommost position b of the water seal communication port 205 is 55mm, the narrowest position of the water seal channel 204 is 35mm, and the cross-sectional area of water is 2000mm2. The drainage and exhaust channel 4 is provided with an exhaust vent 103 at the communication position of the exhaust connecting piece 1 and the vent channel 4, a water seal vent 207 at the communication position of the water seal drainage outlet channel 206 and the vent channel 4, and a drainage vent 303 at the lower communication position of the drainage connecting piece 3 and the vent channel 4; the drainage connecting piece 3 is positioned at one side of the water seal drainage outlet channel 206, the drainage upper interface 301 is positioned above the drainage vent 303, and the drainage lower interface 302 is positioned below the drainage vent 303; the bottom of the outer wall of the sewage horizontal pipe joint 304 is higher than that of the sewage horizontal pipe jointThe lowest part of the water seal communication port 205 is 30 mm; the total length of the outer wall of the building integrated water seal ventilating pipe fitting is less than 350mm, and the width of the outer wall of the building integrated water seal ventilating pipe fitting is less than 130 mm. The height from the bottom of the waste water pipe interface 201 of the integrated water seal 2 to the outer wall of the bottom of the water seal runner 204 is 120 mm.
Example 2
As shown in fig. 1-4, the drainage connector 3 of the integrated water-sealing ventilating and draining pipe fitting for a building of the present invention is provided with a lower interface 305 of a horizontal sewage pipe, an upper interface 306 of the horizontal sewage pipe, and a rubber sealing ring 307; the drainage upper connector 301 on the drainage connecting piece 3 is a socket, the rubber sealing ring 307 is positioned in the socket or at the upper end of the socket, the outer wall of the lower connector 305 of the sewage horizontal pipe is sleeved in the inner wall of the rubber sealing ring 307 and the socket of the drainage upper connector 301, and the rest is the same as that of the embodiment 1.
Example 3
As shown in fig. 1 and 2, the water guide baffle 202 is disposed at the lower end of the water seal drainage outlet channel 206 and above the water seal vent 207 of the integrated water seal vent pipe assembly according to the present invention, which is the same as that in embodiment 2.
Example 4
As shown in fig. 1 and 2, the top end of the exhaust passage 4 of the integrated water-sealing, ventilating and draining pipe fitting for buildings according to the present invention has an upward passage baffle 104, which is the same as that in embodiments 1 and 2.
Claims (6)
1. The utility model provides a drainage tube spare is ventilated to integrated water seal of building which characterized in that: the device consists of a ventilation connecting piece (1), an integrated water seal (2), a drainage connecting piece (3) and a drainage and exhaust channel (4); the ventilation connecting piece (1) is provided with a ventilation upper interface (101) and a ventilation lower interface (102); the integrated water seal (2) is provided with a waste water pipe interface (201), a water seal baffle (203), a water seal channel (204), a water seal channel outlet (205) and a water seal drainage outlet channel (206); the drainage connecting piece (3) is provided with a drainage upper connector (301), a drainage lower connector (302) and a sewage horizontal pipe connector (304); the ventilation connecting piece (1) is communicated with the drainage connecting piece (3) through the inner wall of the drainage and exhaust channel (4), and the outer wall is closed; the integrated water seal (2) and the drainage connecting piece (3) are sealed by waterThe drainage outlet channel (206) is communicated with the drainage exhaust channel (4); the drainage and exhaust channel (4) is positioned below the integrated water seal (2), the water seal drainage outlet channel (206) and the water seal vent (207) and is communicated with the ventilation connecting piece (1); the drainage and exhaust channel (4) is provided with an exhaust vent (103), a water seal vent (207) and a drainage vent (303); the air exhaust vent (103) is positioned above the water drainage vent (303); the water-seal drainage outlet channel (206) is positioned above the exhaust vent (103) and the drainage exhaust channel (4), the water-seal drainage outlet channel (206) is communicated with the water-seal channel (204) through a water-seal communication port (205), and is sealed with the ventilation connecting piece (1) above the bottom of the wastewater pipe interface (201); the height difference distance that the highest part a of the communication part of the drainage vent (303) and the drainage connecting piece (3) is lower than the lowest part b of the water seal communication port (205) is more than 10 mm; the sectional areas of the drainage and exhaust channels (4) are all larger than 1500mm2And the width of the narrowest part is more than 15 mm; the integrated water seal (2) is clamped between the drainage connecting piece (3) and the ventilation connecting piece (1), the waste water pipe interface (201) is communicated with a water seal channel (204) and a water seal communicating port (205) of the inner cavity, and hollow channels of the inner cavity below the waste water pipe interface (201) in the integrated water seal (2) are water seal channels (204); a water seal channel (204) of the inner cavity of the integrated water seal (2) is communicated with the inner walls of the ventilating connecting piece (1) and the drainage connecting piece (3) and the outer wall is sealed; the integrated water seal (2) is arranged in the inner cavity, the water seal baffle (203) divides the hollow inner cavity into two independent water seal channels (204) which are communicated except a bottom communication port and are sealed at the rest places; the fall between the bottom c of the water seal baffle (203) and the bottommost position b of the water seal communication port (205) is larger than 25mm, the narrowest position of the water seal channel (204) is larger than 15mm, and the cross-sectional area of water is larger than 1000mm2(ii) a The exhaust vent (103) is positioned at the communication position of the exhaust connecting piece (1) and the ventilation channel (4), the water seal vent (207) is positioned at the communication position of the water seal drainage outlet channel (206) and the ventilation channel (4), and the drainage vent (303) is positioned at the lower communication position of the drainage connecting piece (3) and the ventilation channel (4)(ii) a The drainage connecting piece (3) is positioned on one side of the water seal drainage outlet channel (206), the drainage upper connector (301) is positioned above the drainage vent (303), the drainage lower connector (302) is positioned below the drainage vent (303), and the bottom of the outer wall of the sewage horizontal pipe connector (304) is higher than the lowest part of the water seal communication port (205) by more than 10 mm; the total length of the outer wall of the building integrated water seal ventilating and draining pipe fitting is less than 700mm, and the width of the outer wall of the building integrated water seal ventilating and draining pipe fitting is less than 260 mm; the height from the bottom of the waste water pipe interface (201) of the integrated water seal (2) to the outer wall of the bottom of the water seal runner (204) is larger than 90mm and smaller than 200 mm.
2. The building integrated water seal vent drain pipe fitting of claim 1, wherein: a sewage horizontal pipe lower connector (305), a sewage horizontal pipe upper connector (306) and a rubber sealing ring (307) are arranged on the drainage connecting piece (3); the upper drainage connector (301) on the drainage connecting piece (3) is a socket, the rubber sealing ring (307) is positioned in the socket or at the upper end of the socket, and the outer wall of the lower connector (305) of the horizontal sewage pipe is sleeved on the inner wall of the rubber sealing ring (307) and in the socket of the upper drainage connector (301).
3. The building integrated water seal vent drain pipe fitting of claim 2, wherein: a water guide baffle plate (202) is arranged at the lower end of the water seal drainage outlet channel (206) and above the water seal vent (207).
4. The integrated water seal ventilating and draining pipe fitting for building as claimed in claim 1, wherein the top end of the air discharging passage (4) is provided with an upward passage baffle (104).
5. The integrated water seal ventilating and draining pipe fitting for building as claimed in claim 2, wherein the top end of the air discharging passage (4) is provided with an upward passage baffle plate (104).
6. The integrated water seal ventilating and draining pipe fitting for building as claimed in claim 3, wherein the top end of the air discharging passage (4) is provided with an upward passage baffle plate (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489680.3A CN111593793A (en) | 2020-06-02 | 2020-06-02 | Building integrated water seal vent drain pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489680.3A CN111593793A (en) | 2020-06-02 | 2020-06-02 | Building integrated water seal vent drain pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111593793A true CN111593793A (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489680.3A Pending CN111593793A (en) | 2020-06-02 | 2020-06-02 | Building integrated water seal vent drain pipe fitting |
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| Country | Link |
|---|---|
| CN (1) | CN111593793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370087A (en) * | 2021-11-01 | 2022-04-19 | 自卫明 | An integrated pre-buried type drainage and ventilation device for building descending plate area |
-
2020
- 2020-06-02 CN CN202010489680.3A patent/CN111593793A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370087A (en) * | 2021-11-01 | 2022-04-19 | 自卫明 | An integrated pre-buried type drainage and ventilation device for building descending plate area |
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Application publication date: 20200828 |
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