CN213952402U

CN213952402U - Anti-backflow drainage device

Info

Publication number: CN213952402U
Application number: CN202022935466.4U
Authority: CN
Inventors: 周杨君
Original assignee: Dongguan Coast Taoyuan Industrial Investment Co ltd
Current assignee: Dongguan Coast Taoyuan Industrial Investment Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-13
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to the technical field of drainage devices, in particular to a backflow prevention drainage device, which comprises a water inlet pipe, a backflow prevention module communicated with the water inlet pipe, an inspection well, a drainage pipe communicated with the backflow prevention module, and an inspection well connecting pipe respectively communicated with the backflow prevention module and the inspection well; the backflow prevention module comprises a first connecting pipe, a second connecting pipe, a third connecting pipe, a water supplementing water seal arranged in the drainage pipe, and a water seal overflow pipe respectively connected with the first connecting pipe, the second connecting pipe and the inspection well connecting pipe. The utility model provides a traditional drainage system when drainage pipe takes place to block up, the condition scheduling problem that sewage flows backward appears easily.

Description

Anti-backflow drainage device

Technical Field

The utility model relates to a drainage device technical field especially relates to a prevent flowing backward drainage device.

Background

The drainage system is an important component of modern buildings, and whether the drainage system is unobstructed or not is related to the quality of life of people. The drainage system generally adopts self-flowing drainage, and the self-flowing drainage has the advantages of relatively low construction cost, simple maintenance, energy conservation and environmental protection.

However, when a drainage pipeline is blocked in the traditional drainage system, the situation of sewage backflow easily occurs, sewage backflow can cause damage to buildings, pollute the environment, breed bacteria, destroy the living environment, cause economic loss and even threaten the life safety of residents in serious cases.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a backflow prevention drainage device aiming at the problems of the conventional technology, which has a reasonable structural design, can well prevent sewage from flowing backwards to a household room, and has good safety.

A backflow prevention drainage device comprises a water inlet pipe, a backflow prevention module communicated with the water inlet pipe, an inspection well, a drainage pipe communicated with the backflow prevention module, and an inspection well connecting pipe respectively communicated with the backflow prevention module and the inspection well; the backflow prevention module comprises a first connecting pipe, a second connecting pipe, a third connecting pipe, a water supplementing water seal arranged in the drainage pipe, and a water seal overflow pipe respectively connected with the first connecting pipe, the second connecting pipe and the inspection well connecting pipe.

In one embodiment, the device further comprises a downstream tee joint and a downstream reducing tee joint; the downstream tee is respectively communicated with the water inlet pipe, the first connecting pipe and the third connecting pipe; the downstream reducing tee is arranged at two ends of the water seal overflow pipe.

In one embodiment, the length of the second connection pipe is greater than or equal to 1.5 m.

In one embodiment, the first connecting pipe comprises a flow dividing pipe, a flow guiding pipe and a first elbow respectively communicated with the flow dividing pipe and the flow guiding pipe; the first elbow is arranged at 90 degrees.

In one embodiment, the device further comprises a second elbow; the second elbow is respectively communicated with the second connecting pipe and the third connecting pipe; the included angle of the second elbow is set to be 45 degrees.

In one embodiment, the system further comprises a first-layer toilet caisson, a second-layer toilet caisson and the ground; the outer wall of the caisson of the first-layer toilet is connected with the ground.

In one embodiment, the device also comprises a sewage draining pipe; the blow-off pipe is respectively communicated with the first-layer toilet caisson and the inspection well.

In one embodiment, the second connecting pipe comprises a connecting branch pipe and a connecting transverse pipe; the connecting branch pipes are respectively communicated with the connecting transverse pipe and the two-layer toilet caisson.

In one embodiment, the drainage pipe comprises a drainage transverse pipe, a drainage pipe communicated with the drainage transverse pipe, and an accident discharge port positioned at the outlet end of the drainage pipe; the accident discharge port is arranged close to the ground.

In one embodiment, the manhole connecting pipe comprises a branch inspection pipe, a vertical inspection pipe communicated with the branch inspection pipe, and a transverse inspection pipe communicated with the vertical inspection pipe and the manhole respectively.

The utility model has the advantages as follows:

the utility model discloses set up one kind and prevent flowing backward drainage device, this prevent flowing backward drainage device's structural design is reasonable, can be fine prevent that sewage from flowing backward to resident family room department, the security is good, it is specific including the inlet tube, the inlet tube carries out the drainage with prevent flowing backward module intercommunication, the drain pipe is used for the drainage with prevent flowing backward module intercommunication, when preventing flowing backward the module and taking place to block up, the drain pipe exit has sewage discharge, play certain early warning effect, can effectually prevent that sewage from flowing backward and return bottom layer resident family, it is further, prevent flowing backward the module and utilize the automatic moisturizing water seal of drain pipe rivers characteristic to carry out the moisturizing, it reduces the influence of second connecting pipe superpressure to the moisturizing water seal to set up the water seal overflow pipe, overall structure reasonable in design, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic structural view of a backflow prevention drainage device according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a second embodiment of the backflow prevention drain device of FIG. 1;

fig. 3 is a schematic structural view of a third embodiment of the backflow prevention drainage device of fig. 1.

Description of reference numerals: the device comprises a water inlet pipe 10, a backflow prevention module 20, a first connecting pipe 21, a shunt pipe 21a, a flow guide pipe 21b, a first elbow 21c, a second connecting pipe 22, a connecting branch pipe 22a, a connecting transverse pipe 22b, a third connecting pipe 23, a water replenishing water seal 24, a water seal overflow pipe 25, a downstream tee 26, a second elbow 27, a downstream reducing tee 28, a drain pipe 30, a drain transverse pipe 31, a drain pipe 32, an accident discharge port 33, an inspection well connecting pipe 40, an inspection branch pipe 41, an inspection vertical pipe 42, an inspection transverse pipe 43, an inspection well 50, a first-layer bathroom caisson 61, a second-layer bathroom caisson 62, the ground 70 and a drain pipe 80.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, a backflow prevention drainage device according to a first embodiment of the present invention has a reasonable structural design, can prevent sewage from flowing backward to a room of a household, and has good safety.

In this embodiment, the anti-backflow drainage device comprises a water inlet pipe 10, an anti-backflow module 20 communicated with the water inlet pipe 10, an inspection well 50, a drainage pipe 30 communicated with the anti-backflow module, and an inspection well connecting pipe 40 respectively communicated with the anti-backflow module 20 and the inspection well 50, and further comprises a ground 70, wherein the inspection well 50 is embedded under the ground 70, the water inlet pipe 10 is vertically placed and extends out of the ground 70, the drainage pipe 30 is embedded under the ground 70, and an output port of the drainage pipe 30 is arranged on the same level with the ground 70 so as to facilitate drainage.

In this embodiment, the backflow prevention module 20 includes a first connecting pipe 21, a second connecting pipe 22, a third connecting pipe 23, a water-replenishing water seal 24 disposed in the water discharging pipe 30, and a water-seal overflow pipe 25 connected to the first connecting pipe 21, the second connecting pipe 22, and the inspection well connecting pipe 40, wherein the first connecting pipe 21 and the second connecting pipe 22 are horizontally disposed, and the water inlet pipe 10 and the third connecting pipe 23 are vertically disposed and have a good circulation effect.

The length of the second connecting pipe 22 being greater than or equal to 1.5m in the embodiment reduces the influence of the overpressure of the second connecting pipe 22 on the water replenishing water seal 24.

In this embodiment, the device further comprises a downstream tee 26 and a downstream reducing tee 28; the downstream tee 26 is respectively communicated with the water inlet pipe 10, the first connecting pipe 21 and the third connecting pipe 23; the downstream reducing tee 28 is arranged at two ends of the water seal overflow pipe 25 and has good communication effect.

In this embodiment also a second bend 27; the second elbow 27 is respectively communicated with the second connecting pipe 22 and the third connecting pipe 23; the included angle of the second elbow 27 is set to be 45 degrees, so that a certain flow slowing effect is achieved.

Referring to fig. 2, a backflow prevention drainage device according to a second embodiment of the present embodiment is shown, and the backflow prevention drainage device according to the present embodiment is applied to a bottom layer household, and further includes a first-layer toilet caisson 61.

In this embodiment, the first connecting pipe 21 includes a dividing pipe 21a, a guiding pipe 21b, and a first elbow 21c respectively communicated with the dividing pipe 21a and the guiding pipe 21 b; the first elbow 21c is arranged at 90 degrees, and the arrangement of the shunt pipe 21a and the draft pipe 21b enhances the smoothness of drainage.

A drain 80 is also included in this embodiment; the sewage discharge pipe 50 is connected with the first-layer toilet caisson 61 and the inspection well 50 respectively, so that the drainage effect is enhanced.

Referring to fig. 3, a backflow prevention drainage device according to a third embodiment of the present invention is shown, and is applied to a situation where the bottom-layer overhead drainage pipe 30 is changed over from a ceiling to a ceiling, and further includes a two-layer toilet caisson 62 in the present embodiment, and the water inlet pipe 10 is inserted into the two-layer toilet caisson 62.

The second connecting pipe 22 comprises a connecting branch pipe 22a and a connecting transverse pipe 22 b; the connecting branch pipes 22a are respectively communicated with the connecting transverse pipe 22b and the two-layer toilet caisson 62.

The drainage pipe 30 in this embodiment includes a drainage horizontal pipe 31, a drainage pipe 32 in pipe communication with the drainage horizontal pipe 31, and an accident discharge port 33 at the outlet end of the drainage pipe 32; the emergency discharge port 33 is disposed near the ground 70 to facilitate discharge of the sewage, and the vertical placement of the draft tube 32 improves the discharge rate of the sewage.

The manhole connecting pipe 40 in this embodiment includes a manhole branch pipe 41, a manhole standpipe 42 communicating with the manhole branch pipe 41, and a manhole cross pipe 43 communicating with the manhole standpipe 42 and the manhole 50, respectively, and the manhole standpipe 42 is disposed to be inserted below the ground.

The utility model discloses a prevent flowing backward drainage device, this prevent flowing backward drainage device's structural design is reasonable, can be fine prevent that sewage from flowing backward to resident family room department, the security is good, it is specific including inlet tube 10, inlet tube 10 and prevent flowing backward module 20 intercommunication and carry out the drainage, drain pipe 30 and prevent flowing backward module 20 intercommunication are used for the drainage, when preventing flowing backward module 20 and taking place to block up, drain pipe 30 exit has sewage discharge, play certain early warning effect, can effectually prevent that sewage from flowing backward the bottom layer resident family, it is further, prevent flowing backward module 20 utilizes drain pipe 30 water flow characteristic automatic to carry out the moisturizing to moisturizing water seal 24, it reduces the influence of second connecting pipe 22 superpressure to moisturizing water seal 24 to set up water seal overflow pipe 25, overall structure reasonable in design, therefore, the clothes hanger is strong in practicability, play fine effect of preventing flowing backward.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A backflow prevention drainage device is characterized by comprising a water inlet pipe, a backflow prevention module communicated with the water inlet pipe, an inspection well, a drainage pipe communicated with the backflow prevention module, and an inspection well connecting pipe respectively communicated with the backflow prevention module and the inspection well; the backflow prevention module comprises a first connecting pipe, a second connecting pipe, a third connecting pipe, a water supplementing water seal arranged in the drainage pipe, and a water seal overflow pipe respectively connected with the first connecting pipe, the second connecting pipe and the inspection well connecting pipe.

2. The backflow-preventing water drainage device according to claim 1, further comprising a downstream tee and a downstream reducing tee; the downstream tee is respectively communicated with the water inlet pipe, the first connecting pipe and the third connecting pipe; the downstream reducing tee is arranged at two ends of the water seal overflow pipe.

3. The backflow-preventing water drain device according to claim 1, wherein the length of the second connecting pipe is greater than or equal to 1.5 m.

4. The backflow-preventing water drainage device according to claim 1, wherein the first connecting pipe comprises a flow dividing pipe, a flow guiding pipe and a first elbow respectively communicated with the flow dividing pipe and the flow guiding pipe; the first elbow is arranged at 90 degrees.

5. The backflow-preventing water drainage device according to claim 1, further comprising a second elbow; the second elbow is respectively communicated with the second connecting pipe and the third connecting pipe; the included angle of the second elbow is set to be 45 degrees.

6. The backflow-preventing drainage device as claimed in claim 1, further comprising a first-layer toilet caisson, a second-layer toilet caisson, and a floor; the outer wall of the caisson of the first-layer toilet is connected with the ground.

7. The backflow prevention drainage device as claimed in claim 6, further comprising a drain pipe; the blow-off pipe is respectively communicated with the first-layer toilet caisson and the inspection well.

8. The backflow prevention drainage device as claimed in claim 6, wherein the second connection pipe comprises a connection branch pipe and a connection cross pipe; the connecting branch pipes are respectively communicated with the connecting transverse pipe and the two-layer toilet caisson.

9. The backflow-preventing drainage device as claimed in claim 6, wherein the drainage pipe comprises a drainage horizontal pipe, a drainage pipe communicated with the drainage horizontal pipe, and an accident discharge port at an outlet end of the drainage pipe; the accident discharge port is arranged close to the ground.

10. The backflow-preventing drainage device according to claim 1, wherein the manhole connecting pipe comprises a branch inspection pipe, a stand inspection pipe communicated with the branch inspection pipe, and a cross inspection pipe communicated with the stand inspection pipe and the manhole, respectively.