CN215445551U - Anti-sewage backflow device for air duct - Google Patents

Abstract

The utility model discloses an air pipe anti-sewage backflow device which comprises an air inlet pipe, an anti-backflow device and an air outlet pipe, wherein the air inlet pipe is fixedly connected to one side end of the anti-backflow device, the air outlet pipe is fixedly connected to the other side end of the anti-backflow device, a blow-off pipe is fixedly connected to the lower end of the anti-backflow device, the anti-backflow device comprises a shell, a plurality of drainage holes are formed in the center of the side wall of the shell, a flow collecting groove is fixedly connected to the position, opposite to the drainage holes, of the outer end of the shell, the outer end of the flow collecting groove is uniformly and fixedly connected with four blow-off ports at equal angles, and a water retaining ring is fixedly arranged on one side, close to the air inlet pipe, of the drainage holes in the shell. The utility model discloses an air duct anti-sewage backflow device, when steam water is condensed on the wall of an air duct and impurities are brought to flow back to the interior of a machine, the steam water enters the interior of a flow collecting groove from a drainage hole along the inner wall of the anti-backflow device and is discharged from a sewage discharge pipe through a sewage discharge port, so that sewage is prevented from flowing back to the interior of the machine.

Description

Anti-sewage backflow device for air duct

Technical Field

The utility model relates to the field of backflow prevention of air pipes, in particular to an anti-sewage backflow device for an air pipe.

Background

The tuber pipe is the pipe-line system who is used for air feed and distributes, and according to cross sectional shape, the tuber pipe can divide into multiple such as circular tuber pipe, rectangle tuber pipe, oblate tuber pipe, and wherein circular tuber pipe resistance is minimum but the height dimension is the biggest, and the preparation is complicated, so the application is mainly used the rectangle tuber pipe, according to the material, and the tuber pipe can divide into metal tuber pipe, compound tuber pipe, polymer tuber pipe.

The air outlet of drying equipment passes through pipe connection to fan, and hot-blast a large amount of aqueous vapor that have in the pipeline usually, when the room temperature is lower, aqueous vapor in the pipeline can condense on the pipeline wall, mixes with the dust on the pipe wall and forms sewage, inside the flow back equipment, inside spare part and the material of pollution apparatus, very big influence production, influence machine work brings extra manpower and materials loss, to above-mentioned problem, provides an antifouling water reflux unit of tuber pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an anti-sewage backflow device for an air duct.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an antifouling water reflux unit of tuber pipe, includes air-supply line, anti-reflux unit, goes out the tuber pipe, air-supply line fixed connection is in an anti-reflux unit side, it connects in anti-reflux unit another side to go out tuber pipe fixed connection, anti-reflux unit leans on lower extreme fixedly connected with blow off pipe, anti-reflux unit includes the casing, a plurality of drainage holes have been seted up at casing lateral wall center, the fixed cover of locating relatively in casing outer end and drainage hole has connect the collection groove, four drain of the even fixedly connected with of angle such as collection groove outer end, the fixed shelves water ring that is provided with in one side that the inside drainage hole of casing is close to the air-supply line.

As a further description of the above technical solution:

the equal fixedly connected with flange in casing outer end both sides, air-supply line and play tuber pipe pass through flange and anti-return device fixed connection.

As a further description of the above technical solution:

a plurality of flange holes are formed in the connecting flange, bolt rods are fixedly arranged in the flange holes, nuts are spirally connected to the other ends of the bolt rods, and the air inlet pipe, the backflow prevention device and the air outlet pipe are fixed.

As a further description of the above technical solution:

rubber sealing rings are fixedly clamped between the air inlet pipe and the backflow prevention device and between the backflow prevention device and the air outlet pipe.

As a further description of the above technical solution:

lean on the downside the fixed adapter that has cup jointed in the drain outside, the blow off pipe passes through adapter and anti-return device fixed connection.

As a further description of the above technical solution:

and sealing covers are spirally sleeved on the outer sides of the rest sewage outlets.

As a further description of the above technical solution:

the shell and the flow collecting groove are of an integral structure.

As a further description of the above technical solution:

the anti-backflow device avoids a vertical arrangement.

The utility model has the following beneficial effects:

compared with the prior art, the device has the steam water condensed on the blast pipe wall when in use, and takes impurities to flow back to the inside of the machine, so that the impurities can enter the flow collecting groove from the drainage hole along the inner wall of the backflow prevention device, and are discharged from the sewage discharge pipe through the sewage discharge port, so that the sewage backflow is prevented from entering the machine, and machine parts or material pollution is prevented.

Compared with the prior art, the device has no strict requirements on the installation position and the installation angle, has no requirements on the use position and the angle of the machine, can discharge sewage along the inner wall by 360 degrees, improves the application range of the device, and is more convenient to use.

Drawings

FIG. 1 is a partial cross-sectional front view of an air duct anti-foul water backflow device according to the present invention;

FIG. 2 is a front view of an air duct anti-sewage backflow device according to the present invention;

fig. 3 is a front cross-sectional view of a backflow prevention device of an air duct anti-sewage backflow device according to the present invention.

Illustration of the drawings:

1. an air inlet pipe; 2. a backflow prevention device; 3. an air outlet pipe; 4. a blow-off pipe; 5. an adapter; 6. a connecting flange; 7. a housing; 8. a collecting groove; 9. a sealing cover; 10. a sewage draining outlet; 11. a water retaining ring; 12. a drainage hole; 13. a bolt shank; 14. a rubber seal ring; 15. a nut; 16. and (4) flange holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: the utility model provides an antifouling water reflux unit of tuber pipe, including air-supply line 1, anti-reflux unit 2, go out tuber pipe 3, 1 fixed connection in 2 sides of anti-reflux unit of air-supply line, it is 3 fixed connection in 2 other sides of anti-reflux unit to go out tuber pipe, anti-reflux unit 2 leans on lower extreme fixedly connected with blow off pipe 4, anti-reflux unit 2 includes casing 7, a plurality of drainage holes 12 have been seted up at casing 7 lateral wall center, 7 outer ends of casing are fixed with the fixed collection groove 8 that has been located with drainage hole 12 relatively, the even four drain 10 of angularly fixedly connected with such as collection groove 8 outer ends, can be according to actual installation condition adjustment blow off pipe 4's connection, it is more convenient to use, 7 inside drainage holes 12 of casing are close to the fixed shelves water ring 11 that is provided with in one side of air-supply line 1, hinder the sewage backward flow, make it get into drainage hole 12.

The two sides of the outer end of the shell 7 are fixedly connected with connecting flanges 6, an air inlet pipe 1 and an air outlet pipe 3 are fixedly connected with a backflow prevention device 2 through the connecting flanges 6, a plurality of flange holes 16 are formed in the connecting flanges 6, bolt rods 13 are fixedly arranged in the flange holes 16, nuts 15 are spirally connected to the other ends of the bolt rods 13, the air inlet pipe 1, the backflow prevention device 2 and the air outlet pipe 3 are fixed, rubber sealing rings 14 are fixedly clamped between the air inlet pipe 1 and the backflow prevention device 2 and between the backflow prevention device 2 and the air outlet pipe 3, the tightness of the device is improved, an adapter 5 is fixedly sleeved on the outer side of a drain outlet 10 close to the lower side, a drain pipe 4 is fixedly connected with the backflow prevention device 2 through the adapter 5, sealing covers 9 are spirally sleeved on the outer sides of the rest drain outlets 10, the drain outlet is prevented from leaking through a sewage chute, the shell 7 and a collecting 8 are of an integral structure, the tightness of the device is improved, and the backflow prevention device 2 is prevented from being vertically arranged, the vertical arrangement needs to be avoided by connecting a plurality of sewage discharge pipes 4.

The working principle is as follows: after accomplishing the device installation, when using, steam water has condensed as the tuber pipe wall, and when taking impurity toward the inside backward flow of machine, can be along 2 inner walls of anti-reflux device, it is inside to enter current collection groove 8 from drainage hole 12, and discharge in the blow off pipe 4 through drain 10, 2 inside drainage holes 12 of anti-reflux device arrange for 360 degrees of cyclic annular, current collection groove 8 wraps up current collection hole 12 completely, all can prevent the backward flow along each direction, reach and prevent that the sewage backward flow from getting into inside the machine, prevent machine part or material pollution, application scope is wider, use more convenient purpose.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an antifouling water reflux unit of tuber pipe, includes air-supply line (1), anti-reflux unit (2), goes out tuber pipe (3), its characterized in that: air-supply line (1) fixed connection is in anti-reflux unit (2) one side, it connects in anti-reflux unit (2) another side to go out tuber pipe (3), anti-reflux unit (2) lean on lower extreme fixedly connected with blow off pipe (4), anti-reflux unit (2) are including casing (7), a plurality of drainage holes (12) have been seted up at casing (7) lateral wall center, casing (7) outer end and drainage hole (12) relative fixed cover have connect collection groove (8), four drain (10) of the even fixedly connected with of angle such as collection groove (8) outer end, casing (7) inside drainage hole (12) are close to one side fixed water retaining ring (11) that is provided with of air-supply line (1).

2. An anti-sewage backflow device for an air duct according to claim 1, wherein: the equal fixedly connected with flange (6) in casing (7) outer end both sides, air-supply line (1) and play tuber pipe (3) pass through flange (6) and anti-reflux unit (2) fixed connection.

3. An anti-sewage backflow device for an air duct according to claims 1 and 2, wherein: a plurality of flange holes (16) are all opened in the connecting flange (6), bolt rods (13) are fixedly arranged in the flange holes (16), nuts (15) are spirally connected to the other ends of the bolt rods (13), and the air inlet pipe (1), the backflow preventing device (2) and the air outlet pipe (3) are fixed.

4. An anti-sewage backflow device for an air duct according to claim 1, wherein: rubber sealing rings (14) are fixedly clamped between the air inlet pipe (1) and the backflow prevention device (2) and between the backflow prevention device (2) and the air outlet pipe (3).

5. An anti-sewage backflow device for an air duct according to claim 1, wherein: the sewage draining outlet (10) close to the lower side is fixedly sleeved with an adapter (5), and the sewage draining pipe (4) is fixedly connected with the backflow preventing device (2) through the adapter (5).

6. An anti-sewage backflow device for an air duct according to claim 1, wherein: the outer sides of the rest sewage draining outlets (10) are all spirally sleeved with sealing covers (9).

7. An anti-sewage backflow device for an air duct according to claim 1, wherein: the shell (7) and the flow collecting groove (8) are of an integral structure.

8. An anti-sewage backflow device for an air duct according to claim 1, wherein: the backflow prevention device (2) avoids a vertical arrangement.

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