CN110173032B

CN110173032B - Anti-backflow drainage catheter

Info

Publication number: CN110173032B
Application number: CN201910373204.2A
Authority: CN
Inventors: 顾小伟; 李阳春
Original assignee: Jiangsu Artman Group Architectural Design Co ltd
Current assignee: Jiangsu Artman Group Architectural Design Co ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-11-24
Anticipated expiration: 2039-05-06
Also published as: CN110173032A

Abstract

The invention discloses a backflow-preventing drainage catheter which comprises a reserved hole for connecting an indoor part and an outdoor part, wherein the reserved hole is formed in a wall body, a backflow-preventing pipe body is arranged in the reserved hole, and a backflow-preventing mechanism is arranged on the backflow-preventing pipe body; the backflow prevention mechanism comprises a water conduit communicated with the backflow prevention pipe body below one indoor end, a sealing connection assembly is arranged between the water conduit and the backflow prevention pipe body, and the lower end of the water conduit is communicated with an indoor drain pipe. The invention has the effect of reducing rainwater from leaking from the reserved hole.

Description

Anti-backflow drainage catheter

Technical Field

The invention relates to the technical field of drainage catheters, in particular to a backflow-preventing drainage catheter.

Background

At present, when a cabinet type air conditioner is installed at a home, a hole connected with an air conditioner external unit is reserved usually, and a drainage tube is arranged in the reserved hole.

In the prior art, the problem that rainwater flows backwards indoors due to overlarge outdoor rainwater is solved when a reserved hole is formed. At present, the problem cannot be fundamentally solved from the conventional design angle, most of the problems are treated by angle control and the like when the hole is reserved, but because of the rainwater sputtering or water accumulation problem, the method for solving the problems often cannot solve the problem of heavy rainfall in a rainwater region, and still often causes the problem of rainwater backflow, so that the problem is urgently to be solved.

Disclosure of Invention

The invention aims to provide a drainage catheter which can directly discharge rainwater into a sewer and reduce backflow of rainwater.

The technical purpose of the invention is realized by the following technical scheme:

a backflow-preventing drainage catheter comprises a reserved hole for connecting an indoor part and an outdoor part, wherein the reserved hole is formed in a wall body, a backflow-preventing pipe body is arranged in the reserved hole, an extension delivery pipe is communicated with the lower side of one end of the backflow-preventing pipe body in the indoor part, and a backflow-preventing mechanism is arranged on the extension delivery pipe;

the backflow preventing mechanism comprises a water conduit communicated with the lower end of the extension delivery pipe, a sealing connection assembly is arranged between the water conduit and the extension delivery pipe, and the lower end of the water conduit is communicated with an indoor drain pipe.

Through adopting above-mentioned technical scheme, the staff will prevent flowing backward the body and fix in reserving the entrance to a cave, then in sleet weather, when external rainwater flows backward into prevents flowing backward the body, the rainwater passes through the leading water pipe, passes through the drain pipe with the rainwater and discharges, reduces the rainwater and gets into indoorly from preventing flowing backward the body. Meanwhile, the water conduit is provided with the sealing connection assembly, so that the water conduit can be better connected.

The invention is further configured to: the diameter of the backflow preventing pipe body is 75 mm.

Through adopting above-mentioned technical scheme, make prevent flowing backward the body have great volume and outwards export air conditioner water.

The invention is further configured to: and the wall body positioned at the anti-backflow pipe body is formed by fine aggregate concrete.

Through adopting above-mentioned technical scheme, the wall body that constitutes through the pea gravel concrete has and is difficult for being corroded by the rainwater to can guarantee that the wall body has good intensity, can let prevent flowing backward the firm placing of body in the wall body.

The invention is further configured to: sealing connection subassembly includes the go-between, go-between upper end and extension contact tube lower extreme threaded connection, go-between lower extreme and leading water pipe threaded connection, the solid fixed ring of the inboard circumference fixedly connected with of go-between, it is equipped with water inflation sealing rod to glue on the fixed ring, be provided with the inflation piece on the water inflation sealing rod, the material of inflation piece also is water inflation sealing rod, the inflation piece sets up and is close to indoor one side at the go-between, the inflation piece upper end is provided with vertical jack-up interception board, and the jack-up interception board flushes with preventing flowing backward body lower extreme when the inflation piece is not expanded.

Through adopting above-mentioned technical scheme, through the go-between, can make things convenient for the user of service to change sealed coupling assembling. When external rainwater flows backward, the rainwater enters the connecting ring, the water-swelling water stop strip meets the rainwater and then swells, meanwhile, the expansion block also swells to jack the jacking interception plate, the jacking interception plate extends into the backflow-preventing pipe body, and the possibility that an outdoor water source of the interception chamber enters the indoor space through the backflow-preventing pipe body is achieved.

The invention is further configured to: and a placing groove for embedding the jacking interception plate is formed in the extending delivery pipe along the vertical direction.

Through adopting above-mentioned technical scheme, can let during the recess is placed in the embedding of jack-up interception board to can play the guide effect of jack-up interception board, thereby the direction of control jack-up interception board jack-up lets the better jack-up of jack-up interception board.

The invention is further configured to: the inward side of the extension delivery pipe is positioned at the two sides of the placing groove, and a baffle plate capable of blocking the jacking baffle plate in the placing groove is arranged.

Through adopting above-mentioned technical scheme, through the baffle, can block the jack-up interception board, reduce the jack-up interception board and place the condition that the recess drops in, increase the steadiness of jack-up interception board.

The invention is further configured to: the backflow preventing pipe body inclines downwards 15 degrees towards the outdoor direction.

Through adopting above-mentioned technical scheme, through the body of preventing flowing backward to outdoor slope, can reduce the rainwater and enter into indoorly from the body of preventing flowing backward of parallel, reinforcing water-proof effects.

The invention is further configured to: and a waterproof layer is arranged on one side of the wall body facing the outdoor space, and the thickness of the waterproof layer is 5 mm.

Through adopting above-mentioned technical scheme, through the waterproof layer, can increase the whole waterproof nature of building to can reduce outdoor moisture and pass through the indoor condition of wall body invasion.

The invention is further configured to: and a sealing plug ring is plugged at the position of the anti-backflow pipe body of the waterproof layer.

Through adopting above-mentioned technical scheme, can plug up through sealed plug ring and prevent flowing backward the body and reserve the gap between the entrance to a cave to it is indoor to reduce rainwater from preventing flowing backward the body and reserving the gap inflow between the entrance to a cave, has further increased sealed effect.

In conclusion, the beneficial effects of the invention are as follows:

1. the anti-backflow mechanism is adopted, so that the effect of directly discharging rainwater into a sewer and reducing backflow of rainwater is achieved;

2. the sealing connection assembly is adopted, so that the effect of blocking the rainwater from entering the backflow preventing pipe body can be achieved by jacking the blocking plate when the rainwater flows backwards;

3. the backflow preventing pipe body is inclined downwards by 15 degrees towards the outdoor direction, so that the effect of further reducing rainwater backflow is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic cross-sectional structure diagram of the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, indoor; 11. outdoors; 2. a wall body; 21. reserving a hole; 3. a backflow preventing pipe body; 4. a backflow prevention mechanism; 41. a water conduit; 42. a drain pipe; 5. sealing the connecting assembly; 51. a connecting ring; 511. placing a groove; 512. a baffle plate; 52. a fixing ring; 53. a water-swelling sealing strip when meeting water; 54. an expansion block; 55. jacking up the interception plate; 6. a waterproof layer; 61. a sealing plug ring; 7. an extension delivery tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the anti-backflow drainage catheter disclosed by the invention comprises a reserved hole 21 for connecting an indoor part 1 and an outdoor part 11, wherein the reserved hole 21 is formed in a wall body 2 for separating the indoor part 1 from the outdoor part 11, and the wall body 2 is made of fine aggregate concrete, so that the strength of the wall body 2 can be increased. Be provided with the anti-backflow body 3 that the diameter is 75mm in reserving entrance to a cave 21, anti-backflow body 3 is towards outdoor 11 direction downward sloping 15, can make outside rainwater be difficult for flowing backward to it has the discharge of great space to carry out air conditioner water to make reservation entrance to a cave 21 department.

Referring to fig. 2, in the present embodiment, a waterproof layer 6 having a thickness of 5mm is provided on the wall body 2 facing the outdoor space 11, so as to increase the overall waterproof property of the building. Meanwhile, the waterproof layer 6 is plugged with the sealing plug ring 61 at the position of the backflow preventing pipe body 3, so that the possibility that rainwater flows into the indoor space 1 from a gap between the backflow preventing pipe body 3 and the reserved hole 21 can be reduced.

Referring to fig. 2, an extension eduction tube 7 is arranged at one end of the backflow prevention tube body 3 located in the chamber 1, the backflow prevention mechanism 4 is arranged on the extension eduction tube 7, the backflow prevention mechanism 4 comprises a water conduit 41 communicated with the lower end of the extension eduction tube 7, the lower end of the water conduit 41 is communicated with the drain tube 42 in the chamber 1, rainwater flowing backward into the backflow prevention tube body 3 can be led into the extension eduction tube 7 and then is led into the water conduit 41, and then is discharged from the drain tube 42.

Referring to fig. 3, in order to reduce rainwater discharged into the indoor unit 1 from the backflow preventing pipe body 3 again when rainwater is drained, a sealing connection assembly 5 is provided between the water guide pipe 41 and the extension delivery pipe 7, the sealing connection assembly 5 includes a connection ring 51, the upper end of the connection ring 51 is in threaded connection with the lower end of the extension delivery pipe 7, and the lower end of the connection ring 51 is in coaxial threaded connection with the water guide pipe 41, so that the connection ring 51 and the water guide pipe 41 can be conveniently installed and detached by a worker through the connection ring 51. A fixing ring 52 is fixedly connected to the inner side of the connection ring 51 along the circumferential direction, and a water-swelling water stop 53 is adhered to the fixing ring 52 and is arranged outside. The water-swelling water stop strip 53 is provided with a swelling block 54 formed by the water-swelling water stop strip 53, the swelling block 54 is arranged on one side of the connecting ring 51 close to the indoor 1, the upper end of the swelling block 54 is provided with a vertical jacking interception plate 55, and the jacking interception plate 55 is flush with the lower end of the anti-backflow pipe body 3 when the swelling block 54 is not swelled. In this embodiment, in order to move the lifting/lowering stopper plate 55 up and down while being attached to the connection ring 51, a receiving recess 511 into which the lifting/lowering stopper plate 55 is fitted is formed in the connection ring 51 in a vertical direction, and stoppers 512 fixed to the connection ring 51 are provided on both sides of the receiving recess 511, and the stoppers 512 extend into the receiving recess 511, thereby receiving the lifting/lowering stopper plate 55.

The implementation principle of the above embodiment is as follows: a reserved hole 21 is formed in the wall body 2 by a user, then the backflow-preventing pipe body 3 is placed in the reserved hole 21, the waterproof layer 6 is smeared on the outer portion of the wall body 2, and a sealing plug is plugged into a gap between the backflow-preventing pipe body 3 and the reserved hole 21. The user places the knock-up interceptor plate 55 in the placing recess 511 of the extended delivery pipe 7, stops it by the stopper 512, screws the connection ring 51 at the lower end of the extended delivery pipe 7, and aligns the expansion block 54 with the lower end of the interceptor plate. If the rainwater flows backward, falls into and extends contact tube 7, and water inflation sealing rod 53 absorbs the rainwater and expands, also can give expansion block 54 with water transfer simultaneously, thereby expansion block 54 inflation will jack up interception board 55 jack-up, will prevent flowing backward body 3 and seal, reduce external water source and flow backward to indoor 1 through preventing flowing backward body 3.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A backflow-preventing drainage catheter is characterized in that: the anti-backflow device comprises a reserved hole (21) for connecting an indoor part (1) and an outdoor part (11), wherein the reserved hole (21) is formed in a wall body (2), an anti-backflow pipe body (3) is arranged in the reserved hole (21), an extension guide pipe (7) is communicated with the lower side of one end of the indoor part (1) of the anti-backflow pipe body (3), and an anti-backflow mechanism (4) is arranged on the extension guide pipe (7); the backflow preventing mechanism (4) comprises a water conduit (41) communicated with the lower end of the extension delivery pipe (7), a sealing connecting assembly (5) is arranged between the water conduit (41) and the extension delivery pipe (7), and the lower end of the water conduit (41) is communicated with a drainage pipe (42) of the indoor unit (1); the diameter of the backflow preventing pipe body (3) is 75 mm; the wall body (2) positioned at the anti-backflow pipe body (3) is made of fine aggregate concrete; sealing connection subassembly (5) include go-between (51), go-between (51) upper end and extension delivery tube (7) lower extreme threaded connection, go-between (51) lower extreme and leading water pipe (41) threaded connection, go-between (51) inboard circumference fixedly connected with fixes ring (52), it is equipped with water-swelling sealing rod (53) to glue on fixed ring (52), be provided with expansion piece (54) on water-swelling sealing rod (53), the material of expansion piece (54) also is water-swelling sealing rod (53), expansion piece (54) set up and are close to indoor (1) one side in go-between (51), expansion piece (54) upper end is provided with vertical jack-up interception board (55), and jack-up interception board (55) flush with prevent flowing backward body (3) lower extreme when expansion piece (54) are not expanded.

2. A backflow prevention drainage catheter as defined in claim 1, wherein: and a placing groove (511) for embedding the jacking interception plate (55) is formed in the extending delivery pipe (7) along the vertical direction.

3. A backflow prevention drainage catheter as defined in claim 2, wherein: the inward side of the extension delivery pipe (7) is provided with a baffle (512) which is positioned at the two sides of the placing groove (511) and can block the blocking plate (55) jacked in the placing groove (511).

4. A backflow prevention drainage catheter as defined in claim 1, wherein: the backflow preventing pipe body (3) inclines downwards 15 degrees towards the direction of the outdoor (11).

5. A backflow prevention drainage catheter as defined in claim 1, wherein: and a waterproof layer (6) is arranged on one side of the wall body (2) facing the outdoor space (11), and the thickness of the waterproof layer (6) is 5 mm.

6. A backflow prevention drainage catheter as defined in claim 5, wherein: and a sealing plug ring (61) is plugged at the position of the anti-backflow pipe body (3) of the waterproof layer (6).