CN114718163A

CN114718163A - Green high-efficient drainage pipe structure

Info

Publication number: CN114718163A
Application number: CN202210486097.6A
Authority: CN
Inventors: 王亚南; 兰腾飞; 黄国洋
Original assignee: Beijing Shoukong Construction Engineering Co ltd
Current assignee: Beijing Shoukong Construction Engineering Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-07-08
Anticipated expiration: 2042-05-06
Also published as: CN114718163B

Abstract

The application relates to a green high-efficiency drainage pipeline structure, which comprises a main pipe, branch pipes and a transfer box, wherein the transfer box is communicated with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a first connecting piece for connecting the main pipe; the last intercommunication of transfer case has a plurality of connecting pipes, every be provided with the second connecting piece that is used for connecting branch pipe on the connecting pipe, the transfer incasement is provided with a plurality of baffles along being close to or the connecting pipe direction slides, every the baffle corresponds a connecting pipe, just the baffle is used for sealing the connecting pipe, be provided with on the transfer case and be used for ordering about the baffle to being close to the gliding first elastic component of connecting pipe direction. This application has when the bottom main pipe takes place to block up, and the sewage that the high-rise resident family discharged is difficult for flowing into the effect in the bottom resident family house.

Description

Green high-efficient drainage pipe structure

Technical Field

The utility model belongs to the technical field of the technique of drainage and specifically relates to a green high-efficient drainage pipe structure is related to.

Background

The drainage pipeline refers to a system consisting of a pipe duct for collecting and discharging sewage, wastewater and rainwater and accessory facilities thereof; in municipal underground drainage systems, drainage pipelines are indispensable and important components, basic components and connection hubs in drainage network systems, and pipelines which are built on streets or anywhere else and have the function of drainage are taken as drainage pipeline statistics.

At present, in a drainage pipeline system of a high-rise building, a drainage pipeline mainly comprises a main pipe, a branch pipe and a sewage discharge pipeline, a resident introduces sewage into the main pipe through the branch pipe, then introduces the sewage into the sewage discharge pipeline through the main pipe, and conveys the sewage to a sewage treatment plant through the sewage discharge pipeline for sewage treatment.

However, if the main pipe close to the bottom layer is blocked, the sewage flowing down from the high layer easily flows back to the home of the bottom layer resident through the branch pipe, which brings trouble to the bottom layer resident.

Disclosure of Invention

To the problem that exists among the prior art, this application provides a green high-efficient drainage pipe structure, has when the bottom main takes place to block up, the effect in bottom resident family is difficult for flowing into to the sewage that high-rise resident family discharged.

The application provides a pair of green high-efficient drainage pipe structure adopts following technical scheme:

a green high-efficiency drainage pipeline structure comprises a main pipe, branch pipes and a transit box, wherein the transit box is communicated with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a first connecting piece for connecting the main pipe; the last intercommunication of transfer case has a plurality of connecting pipes, every be provided with the second connecting piece that is used for connecting branch pipe on the connecting pipe, the transfer incasement is provided with a plurality of baffles along being close to or the connecting pipe direction slides, every the baffle corresponds a connecting pipe, just the baffle is used for sealing the connecting pipe, be provided with on the transfer case and be used for ordering about the baffle to being close to the gliding first elastic component of connecting pipe direction.

By adopting the technical scheme, the transfer box is arranged on the main pipe, the water inlet pipe and the water outlet pipe are respectively communicated with the main pipe through the first connecting piece, and the branch pipe is communicated with the connecting pipe through the second connecting piece; the household guides the sewage into the transfer box through the branch pipe, when the sewage enters the transfer box through the branch pipe, the impact force of the water flow drives the baffle plate to slide towards the direction away from the connecting pipe, so that the connecting pipe is communicated with the interior of the transfer box, the sewage in the branch pipe can smoothly enter the transfer box, and then the sewage is guided into the main pipe through the water outlet pipe; when the bottom layer main pipe is blocked, the connecting pipe is blocked by the baffle under the elastic action of the first elastic piece, so that high-rise sewage is not easy to enter the home of a bottom layer resident through the branch pipe.

Optionally, the fixed installation sleeve that is provided with of lateral wall of transfer case, the length direction of installation sleeve is parallel with the axial of connecting pipe, just the installation sleeve communicates with the inside of transfer case, the fixed guide bar that is provided with of one end that is close to the connecting pipe on the baffle, just the guide bar slides and wears to establish in the installation sleeve.

Through adopting above-mentioned technical scheme, inject the slip direction of baffle through the guide bar, make the baffle slip in the transfer case more stable.

Optionally, the first elastic component comprises a pressure spring, a containing groove communicated with the inner wall of the installation sleeve is formed in the inner wall of the installation sleeve along the length direction of the installation sleeve, a limiting block is fixedly arranged on the guide rod and is arranged in the containing groove in a sliding mode, the pressure spring is arranged in the containing groove, one end of the pressure spring abuts against the bottom wall of the containing groove, and the other end of the pressure spring abuts against the limiting block.

Through adopting above-mentioned technical scheme, the stopper drives the stopper and slides to keeping away from the transfer case direction under the spring action of pressure spring to drive the baffle through the guide bar and slide to being close to the connecting pipe direction, carry out the shutoff to the connecting pipe.

Optionally, a mounting groove communicated with the accommodating groove is formed in the side wall of the mounting sleeve, a sealing cover is arranged on the mounting sleeve and used for sealing the mounting groove, and a first fixing piece used for fixing the sealing cover is arranged on the mounting sleeve.

By adopting the technical scheme, when water flows through the branch pipe, the impact force of the water flow pushes the baffle plate to slide in the direction away from the connecting pipe, the pressure spring is compressed by the limiting block, and after the pressure spring is used for a certain period, the elasticity of the pressure spring is weakened to a certain degree, so that the sealing effect of the baffle plate on the connecting port is influenced; through loosening first mounting and opening sealed lid, can change the pressure spring, increase the practicality.

Optionally, the fixed block is fixedly arranged in the transfer box, the buffer block is arranged on the fixed block in a sliding mode along the direction close to or far away from the baffle, the buffer block is used for abutting against the baffle, and a second elastic part used for driving the buffer block to slide towards the direction close to the baffle is arranged on the fixed block.

By adopting the technical scheme, in order to ensure that sewage in the branch pipe can smoothly enter the transfer box, the elasticity of the pressure spring is not too large, when the impact force of water flow in the branch pipe is too large, the pressure spring is easily pressed by the ring, through the arrangement of the buffer block, after the baffle slides for a certain distance in the direction away from the connecting pipe, the baffle is contacted with the buffer plate, and the baffle is supported by the second elastic piece, so that the pressure spring is prevented from being damaged to a certain extent; and, can also weaken the impact force of rivers after getting into the transfer case in the branch to a certain extent through the second elastic component, improve the life of transfer case.

Optionally, the transfer box internal rotation is provided with the (mixing) shaft, the fixed stirring leaf that is provided with on the (mixing) shaft, is provided with on the transfer box and is used for driving about the (mixing) shaft pivoted driving source.

Through adopting above-mentioned technical scheme, thoughtlessly have a large amount of debris in the sewage that flows into the transfer case usually, drive the (mixing) shaft through the driving source and rotate to break up debris through the stirring leaf, thereby prevent to a certain extent that these debris from piling up and causing the jam in the transfer case.

Optionally, the transfer case is interior and be located the fixed filter screen that is provided with between inlet tube and the outlet pipe, the (mixing) shaft sets up the one side that is close to the inlet tube at the filter screen, the access hole with the inside intercommunication of transfer case is seted up to the lateral wall of transfer case, be provided with the seal assembly who is used for sealing the access hole on the transfer case.

By adopting the technical scheme, a large amount of strip-shaped objects or hairs are usually mixed in the sewage entering the transit box, the impurities are difficult to scatter through the stirring shaft, and if the sewage flows in the main pipe along the stirring shaft, the whole drainage pipeline system is easy to block, the impurities are intercepted in the transit box through the arrangement of the filter screen, and the impurities are cleaned by regularly opening the access hole; thereby ensuring the smoothness of the drainage pipeline system.

Optionally, the sealing assembly comprises a sealing plate and a second fixing piece, a sealing groove communicated with the access hole is formed in the side wall of the transit box, the sealing plate is hinged to the transit box and matched with the sealing groove, and the second fixing piece is used for preventing the sealing plate from rotating.

Through adopting above-mentioned technical scheme, through rotating the closing plate, make the closing plate get into in the seal groove, rethread second mounting prevents the closing plate and rotates to fix closing plate and transfer case, realize the sealed to the access hole.

Optionally, a sealing gasket is fixedly arranged on the bottom wall of the sealing groove.

Through adopting above-mentioned technical scheme, increase the leakproofness of closing plate when sealed the access hole through sealed the pad.

Optionally, the intercommunication has emergent pipeline on the inlet tube, the one end and the outlet pipe intercommunication of inlet tube are kept away from to emergent pipeline, be provided with the first valve that is used for sealing emergent pipeline on the emergent pipeline, just be located on the inlet tube and be provided with the second valve that is used for sealing the inlet tube between emergent pipeline and the transfer case.

By adopting the technical scheme, when the transfer box is blocked or the access hole needs to be opened, the first valve on the emergency pipeline is opened, the second valve on the water inlet pipe is closed, and water flow in the main pipe bypasses the transfer box through the emergency pipeline and directly flows into the water outlet pipe; when the access hole is opened, the drainage pipeline system can normally operate, and the practicability is further improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the household guides the sewage into the transfer box through the branch pipe, when the sewage enters the transfer box through the branch pipe, the impact force of the water flow drives the baffle plate to slide towards the direction away from the connecting pipe, so that the connecting pipe is communicated with the interior of the transfer box, the sewage in the branch pipe can smoothly enter the transfer box, and then the sewage is guided into the main pipe through the water outlet pipe; when the bottom layer main pipe is blocked, the baffle blocks the connecting pipe under the elastic action of the first elastic piece, so that high-rise sewage is not easy to enter the home of a bottom layer resident through the branch pipe;

2. when water flows through the branch pipe, the impact force of the water flow pushes the baffle to slide in the direction away from the connecting pipe, and the pressure spring is compressed through the limiting block; the pressure spring can be replaced by loosening the first fixing piece and opening the sealing cover, so that the practicability is improved;

3. a large amount of belt-shaped objects or hairs are usually mixed in sewage entering the transit box, the impurities are difficult to break up through the stirring shaft, if the sewage flows in the main pipe along the shaft, the whole drainage pipeline system is easy to block, the impurities are intercepted in the transit box through the arrangement of the filter screen, and the impurities are cleaned by opening the access hole regularly; thereby ensuring the smoothness of the drainage pipeline system.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a sectional view of the structure of the embodiment of the present application, which is mainly used for expressing the internal structure of the transfer box;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is an enlarged view of a portion C in fig. 3.

Description of reference numerals: 1. a main pipe; 2. a branch pipe; 3. a transfer box; 31. a water inlet pipe; 311. a second valve; 32. a connecting pipe; 33. a water outlet pipe; 34. a first connecting sleeve; 35. a second connecting sleeve; 36. a baffle plate; 361. a guide bar; 3611. a limiting block; 37. a drive source; 38. filtering with a screen; 39. an access hole; 391. a sealing groove; 392. a gasket; 4. installing a sleeve; 41. a containing groove; 42. a first elastic member; 43. mounting grooves; 44. a sealing cover; 45. a first fixing member; 5. a fixed block; 51. a chute; 52. a buffer block; 521. connecting blocks; 53. a limiting groove; 54. a second elastic member; 55. a placement groove; 6. an emergency pipeline; 61. a first valve; 7. a stirring shaft; 8. a seal assembly; 81. a sealing plate; 82. and a second fixing member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses green high-efficient drainage pipe structure. Referring to fig. 1, the water circulation system comprises a main pipe 1, branch pipes 2 and a transfer box 3, wherein the top wall of the transfer box 3 is communicated with a water inlet pipe 31 and a plurality of connecting pipes 32, the bottom wall of the transfer box 3 is communicated with a water outlet pipe 33, the water inlet pipe 31 and the water outlet pipe 33 are both communicated with the main pipe 1, and the water inlet pipe 31 and the water outlet pipe 33 are both provided with first connecting pieces for connecting the main pipe 1; the branch pipe 2 is communicated with a drainage system in a household, the connection pipe 32 is communicated with the branch pipe 2, and a second connection member for connecting the branch pipe 2 is provided on the connection pipe 32.

Referring to fig. 1, the first connecting member includes a first connecting sleeve 34, the water inlet pipe 31 and the water outlet pipe 33 are both equal to the pipe diameter of the main pipe 1, the inner diameter of the first connecting sleeve 34 is equal to the outer diameter of the water inlet pipe 31, the inner wall of the first connecting sleeve 34 is provided with an internal thread, and the side walls of the water inlet pipe 31, the water outlet pipe 33 and the main pipe 1 are provided with external threads matched with the internal thread of the first connecting sleeve 34.

Referring to fig. 1 and 2, the second connecting member includes a second connecting sleeve 35, the connecting pipe 32 has the same diameter as the branch pipe 2, the inner diameter of the second connecting sleeve 35 has the same diameter as the outer diameter of the connecting pipe 32, the inner wall of the first connecting sleeve 34 is provided with an internal thread, and the connecting pipe 32 and the side wall of the branch pipe 2 are both provided with an external thread matched with the internal thread of the second connecting sleeve 35.

Referring to fig. 2, a plurality of baffles 36 are slidably disposed in the middle rotating box 3, the number of the baffles 36 is equal to the number of the connecting pipes 32, each baffle 36 corresponds to one connecting pipe 32, the sliding direction of the baffle 36 is parallel to the axial direction of the connecting pipe 32, and the central axis of the connecting pipe 32 is perpendicular to the baffles 36.

Referring to fig. 2, the top wall of the transit box 3 and both sides of the connecting pipe 32 are fixedly provided with mounting sleeves 4, the length direction of the mounting sleeves 4 is parallel to the sliding direction of the baffle 36, the mounting sleeves 4 are communicated with the inside of the transit box 3, and one end of the mounting sleeves 4 far away from the transit box 3 is sealed; two guide rods 361 are fixedly arranged at one end, close to the connecting pipe 32, of the baffle 36, the length directions of the two guide rods 361 are all perpendicular to the baffle 36, the two guide rods 361 are respectively arranged in the installation sleeve 4 in a sliding mode, the inner wall of the installation sleeve 4 is provided with a containing groove 41 communicated with the inner wall of the installation sleeve 4 along the length direction of the installation sleeve 4, a limiting block 3611 is fixedly arranged on the guide rods 361, and the limiting block 3611 is arranged in the containing groove 41 in a sliding mode.

Referring to fig. 2, a first elastic member 42 for driving the baffle 36 to slide toward the direction close to the connecting pipe 32 is arranged on the mounting sleeve 4, the first elastic member 42 includes a pressure spring, the pressure spring is arranged in the accommodating groove 41, one end of the pressure spring abuts against the side wall of the accommodating groove 41 close to the transfer box 3, and the other end of the pressure spring abuts against a limit block 3611; the stopper 3611 drives the stopper 3611 to slide in the direction away from the transfer box 3 under the action of the elastic force of the pressure spring, so that the guide rod 361 drives the baffle 36 to slide in the direction close to the connecting pipe 32, and the connecting pipe 32 is blocked.

Referring to fig. 2, a mounting groove 43 communicated with the accommodating groove 41 is formed in the side wall of the mounting sleeve 4, a sealing cover 44 for sealing the mounting groove 43 is arranged on the mounting sleeve 4, the sealing cover 44 is adapted to the mounting groove 43, a first fixing member 45 for fixing the sealing cover 44 is arranged on the mounting sleeve 4, the first fixing member 45 comprises two mounting bolts, two mounting holes for the mounting bolts to be inserted are formed in the sealing cover 44, two first threaded holes adapted to the mounting bolts are formed in the bottom wall of the mounting groove 43, and when the sealing cover 44 is clamped into the mounting groove 43, the two mounting holes in the sealing cover 44 are respectively opposite to the two first threaded holes; after the pressure spring is used for a certain period, the elasticity of the pressure spring is weakened to a certain degree, so that the sealing effect of the baffle 36 on the connecting port is influenced; by loosening the first fixing member 45 and opening the sealing cover 44, the pressure spring can be replaced, and the practicability is improved.

Referring to fig. 3 and 4, a fixed block 5 is fixedly arranged in the transit box 3, a sliding groove 51 is formed in the top wall of the fixed block 5 along the sliding direction of the baffle 36, a buffer block 52 is arranged in the sliding groove 51 in a sliding manner, the buffer block 52 is used for abutting against the baffle 36, a connecting block 521 is fixedly arranged on the side wall of the buffer block 52, a limiting groove 53 is formed in the side wall of the sliding groove 51 along the sliding direction of the buffer block 52, and the connecting block 521 is arranged in the limiting groove 53 in a sliding manner; the fixed block 5 is provided with a second elastic element 54 for driving the buffer block 52 to slide towards the baffle plate 36.

Referring to fig. 4, the second elastic member 54 includes a plurality of buffer springs, the plurality of buffer springs are disposed, the plurality of placing grooves 55 communicated with the sliding grooves 51 are disposed on the bottom wall of the sliding groove 51 along the sliding direction of the buffer block 52, the plurality of buffer springs are respectively disposed in the placing grooves 55, one ends of the buffer springs are abutted to the bottom wall of the placing grooves 55, the other ends of the buffer springs are abutted to the buffer block 52, and the elastic force of the buffer springs is much larger than that of the compression springs.

In order to ensure that sewage in the branch pipe 2 can smoothly enter the transfer box 3, the elasticity of the pressure spring is not too large, when the impact force of water flow in the branch pipe 2 is too large, the pressure spring is easy to press a ring, through the arrangement of the buffer block 52, after the baffle plate 36 slides for a certain distance in the direction away from the connecting pipe 32, the baffle plate 36 is contacted with the buffer plate, and the baffle plate 36 is supported through the buffer spring, so that the pressure spring is prevented from being damaged to a certain extent; and, can also weaken the impact force of rivers after getting into transfer case 3 in branch pipe 2 to a certain extent through buffer spring, improve transfer case 3's life.

Referring to fig. 3, the side wall of the water inlet pipe 31 is further communicated with an emergency pipeline 6, one end of the emergency pipeline 6, which is far away from the water inlet pipe 31, is communicated with the water outlet pipe 33, a first valve 61 for sealing the emergency pipeline 6 is arranged on the emergency pipeline 6, and a second valve 311 for sealing the water inlet pipe 31 is arranged on the water inlet pipe 31 and between the emergency pipeline 6 and the transfer box 3.

Referring to fig. 3, two stirring shafts 7 are rotatably arranged in the transfer box 3, stirring blades are fixedly arranged on the stirring shafts 7, a driving source 37 for driving the stirring shafts 7 to rotate is arranged on the transfer box 3, the driving source 37 comprises two motors, the two motors are fixedly arranged on the top wall of the transfer box 3, and output shafts of the two motors extend into the transfer box 3 and are coaxially and fixedly connected with the two stirring shafts 7 respectively; the sewage flowing into the transfer box 3 is usually mixed with a large amount of impurities, the stirring shaft 7 is driven to rotate by the driving source 37, and the impurities are scattered by the stirring blades, so that the impurities are prevented from being accumulated in the transfer box 3 to some extent to cause blockage.

Referring to fig. 3, a filter screen 38 is fixedly arranged on the fixed block 5, and the stirring shaft 7 is positioned on one side of the filter screen 38 close to the water inlet pipe 31; in the sewage entering the transfer box 3, a large amount of ribbon or hair is usually mixed, and the impurities are difficult to break up through the stirring shaft 7, and if the sewage flows along the main pipe 1, the whole drainage pipeline system is easy to block, and the impurities are intercepted in the transfer box 3 through the arrangement of the filter screen 38.

Referring to fig. 3 and 5, an access opening 39 communicated with the interior of the transit box 3 is formed in the side wall of the transit box 3, the access opening 39 penetrates through the fixing block 5, a sealing assembly 8 used for sealing the access opening 39 is arranged on the transit box 3, the sealing assembly 8 comprises a sealing plate 81 and a second fixing member 82, the sealing plate 81 is hinged to the side wall of the transit box 3, a sealing groove 391 communicated with the access opening 39 is formed in the side wall of the transit box 3, and the sealing plate 81 is matched with the sealing groove 391; the second fixing member 82 includes a fixing bolt, a second threaded hole is formed in the sealing plate 81 along a direction perpendicular to the sealing plate 81, a third threaded hole is formed in the bottom wall of the sealing groove 391, and when the sealing plate 81 is attached to the bottom wall of the sealing groove 391, the second threaded hole is opposite to the third threaded hole.

Referring to fig. 5, a sealing gasket 392 is fixedly disposed on the bottom wall of the sealing groove 391, and the sealing gasket 392 is made of an elastic rubber material; the sealing plate 81 is sealed to the access opening 39 by the seal 392, thereby increasing the sealing performance.

The implementation principle of the green high-efficient drainage pipe structure of the embodiment of the application is as follows: the transfer case 3 is arranged on the main pipe 1, the water inlet pipe 31 and the water outlet pipe 33 are respectively communicated with the main pipe 1 through a first connecting sleeve 34, and the branch pipe 2 is communicated with the connecting pipe 32 through a second connecting sleeve 35; the resident introduces the sewage into the transit box 3 through the branch pipe 2, when the sewage enters the transit box 3 through the branch pipe 2, the impact force of the water flow drives the baffle plate 36 to slide towards the direction far away from the connecting pipe 32, so that the connecting pipe 32 is communicated with the interior of the transit box 3, the sewage in the branch pipe 2 can smoothly enter the transit box 3, and then the sewage is introduced into the main pipe 1 through the water outlet pipe 33; when the bottom layer main pipe 1 is blocked, the baffle 36 blocks the connecting pipe 32 under the elastic action of the pressure spring, so that high-rise sewage is not easy to enter the home of a bottom layer resident through the branch pipe 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a green high-efficient drainage pipe structure which characterized in that: the water-saving pipeline comprises a main pipe (1), branch pipes (2) and a transit box (3), wherein the transit box (3) is communicated with a water inlet pipe (31) and a water outlet pipe (33), and the water inlet pipe (31) and the water outlet pipe (33) are respectively provided with a first connecting piece for connecting the main pipe (1);

the last intercommunication of transfer case (3) has a plurality of connecting pipes (32), every be provided with the second connecting piece that is used for connecting branch pipe (2) on connecting pipe (32), be provided with a plurality of baffles (36) along being close to or connecting pipe (32) direction slip in transfer case (3), every baffle (36) correspond a connecting pipe (32), just baffle (36) are used for sealing connecting pipe (32), be provided with on transfer case (3) and be used for ordering about baffle (36) to being close to connecting pipe (32) gliding first elastic component (42) of direction.

2. The structure of claim 1, wherein the drain pipe comprises: the fixed installation sleeve (4) that is provided with of lateral wall of transfer case (3), the length direction of installation sleeve (4) and the axial direction parallel of connecting pipe (32), just installation sleeve (4) and the inside intercommunication of transfer case (3), the fixed guide bar (361) that is provided with of one end that is close to connecting pipe (32) on baffle (36), just guide bar (361) slide and wear to establish in installation sleeve (4).

3. The structure of claim 2, wherein the drain pipe comprises: first elastic component (42) include the pressure spring, length direction along installation sleeve (4) of the inner wall of installation sleeve (4) offers storage tank (41) with installation sleeve (4) inner wall intercommunication, fixed stopper (3611) that is provided with on guide bar (361), just stopper (3611) slide and set up in storage tank (41), the pressure spring sets up in storage tank (41), just the one end of pressure spring and the diapire butt of storage tank (41), the other end and the stopper (3611) butt of pressure spring.

4. A green high-efficiency drainage pipeline structure according to claim 3, wherein: the side wall of the mounting sleeve (4) is provided with a mounting groove (43) communicated with the accommodating groove (41), a sealing cover (44) is arranged on the mounting sleeve (4), the sealing cover (44) is used for sealing the mounting groove (43), and a first fixing piece (45) used for fixing the sealing cover (44) is arranged on the mounting sleeve (4).

5. The structure of claim 3, wherein the drain pipe comprises: transfer case (3) internal fixation is provided with fixed block (5), it is provided with buffer block (52) to slide along the direction that is close to or keeps away from baffle (36) on fixed block (5), just buffer block (52) are used for butt baffle (36), be provided with on fixed block (5) and be used for driving about buffer block (52) to being close to the gliding second elastic component (54) of baffle (36) direction.

6. The structure of claim 1, wherein the drain pipe comprises: the transfer case (3) internal rotation is provided with (mixing) shaft (7), the fixed stirring leaf that is provided with on (mixing) shaft (7), be provided with on transfer case (3) and be used for driving about (mixing) shaft (7) pivoted driving source (37).

7. The structure of claim 6, wherein the drain pipe comprises: the utility model discloses a transit case, including (3) just be located inlet tube (31) and outlet pipe (33) between fixed filter screen (38) that is provided with in transit case (3), (mixing) shaft (7) set up the one side that is close to inlet tube (31) in filter screen (38), access hole (39) with the inside intercommunication of transit case (3) are seted up to the lateral wall of transit case (3), be provided with seal assembly (8) that are used for sealing access hole (39) on transit case (3).

8. The structure of claim 7, wherein the drain pipe comprises: the sealing assembly (8) comprises a sealing plate (81) and a second fixing piece (82), a sealing groove (391) communicated with the access hole (39) is formed in the side wall of the transit box (3), the sealing plate (81) is hinged to the transit box (3), the sealing plate (81) is matched with the sealing groove (391), and the second fixing piece (82) is used for preventing the sealing plate (81) from rotating.

9. The structure of claim 8, wherein the drain pipe comprises: and a sealing gasket (392) is fixedly arranged on the bottom wall of the sealing groove (391).

10. The structure of claim 7, wherein the drain pipe comprises: the intercommunication has emergent pipeline (6) on inlet tube (31), the one end and outlet pipe (33) intercommunication of inlet tube (31) are kept away from in emergent pipeline (6), be provided with first valve (61) that are used for sealing emergent pipeline (6) on emergent pipeline (6), just be located on inlet tube (31) and be provided with second valve (311) that are used for sealing inlet tube (31) between emergent pipeline (6) and transfer case (3).