CN215113067U

CN215113067U - Ventilating duct with drainage protection structure

Info

Publication number: CN215113067U
Application number: CN202120835743.6U
Authority: CN
Inventors: 钟伟
Original assignee: Ganzhou Hengdasheng Ventilation Equipment Co ltd
Current assignee: Ganzhou Hengdasheng Ventilation Equipment Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-10
Anticipated expiration: 2031-04-22

Abstract

The invention relates to a ventilating duct with a drainage protection structure, which comprises a duct body, wherein a circular ring is arranged on the inner side wall of the outlet end of the duct body, wherein the front side, the rear side and the bottom of the pipeline body outside the circular ring are axially provided with strip-shaped notches, a circular filter screen I is also arranged in the pipeline body outside the circular ring, the outer arc wall of the filter screen I is respectively provided with a positioning rod which passes through the corresponding notch, wherein the bottom end of the lower positioning rod is higher than the horizontal plane of the bottom end of the pipeline body, one side of the top of the filter screen I is provided with a supporting rod, wherein the bottom of the tail end of the supporting rod is provided with a screw tube, a screw rod is screwed in the screw tube, the bottom end of the screw rod is fixed with a metal knocking ball which is right opposite to the circle center of the filter screen I through a connecting rope, and a cylinder in threaded connection with the outlet end of the pipeline body is sleeved outside the outlet end of the pipeline body, and a filter screen II tightly attached to the outlet end of the pipeline body is arranged in the cylinder. The invention has simple structure and convenient use.

Description

Ventilating duct with drainage protection structure

Technical Field

The invention relates to the technical field of ventilation pipelines, in particular to a ventilation pipeline with a drainage protection structure.

Background

When the air-cooled air compressor is used, the generated hot air needs to be conveyed to the outside from the ventilating duct, and the conventional ventilating duct is unreasonable in structural arrangement, so that water is easy to enter, and small animals climb into the ventilating duct to cause equipment failure.

The ventilating duct with the drainage protection structure for the air-cooled air compressor, as disclosed in publication No. CN209308924U, solves the above problems, but has the following disadvantages, such as: 1. the protective net is fixed in the ventilating duct, the ventilating duct is fixed on the wall body, the protective net is easy to rust, so that the replacement frequency is frequent, the protective net is required to be replaced only by cutting the connection part between the protective net and the ventilating duct, the ventilating duct is easy to be damaged, and the operation is troublesome; 2. liquid at the air outlet of the ventilation pipeline is easy to flow backwards into indoor equipment through the ventilation pipeline.

Disclosure of Invention

The invention aims to provide a ventilating duct with a drainage protection structure.

The technical problem of the invention is mainly solved by the following technical scheme:

a ventilating duct with a drainage protection structure comprises a duct body, wherein a circular ring is arranged on the inner side wall of the outlet end of the duct body, the front side, the rear side and the bottom of the duct body outside the circular ring are axially provided with elongated notches, a circular filter screen I is also arranged in the duct body outside the circular ring, positioning rods penetrating through the corresponding notches are respectively arranged on the outer arc wall of the filter screen I, the bottom end of the lower positioning rod is higher than the horizontal plane of the bottom end of the duct body, a supporting rod is arranged on one side of the top of the filter screen I, a screw pipe is arranged at the bottom end of the supporting rod, a screw rod is screwed in the screw pipe, the bottom end of the screw rod is fixed with a metal knocking ball right opposite to the circle center of the filter screen I through a connecting rope, a cylinder screwed with the outlet end of the duct body is further sleeved outside, one end of the cylinder tightly presses and fixes the positioning rods in the notches, and a circle of diversion trench close to the tail end of the cylinder is further arranged on the outer side wall of the duct body, and a filter screen II tightly attached to the outlet end of the pipeline body is also arranged in the cylinder.

Preferably, the aperture of the filter screen I is larger than the aperture of the filter screen II, wherein the filter screen II is arranged in the middle inside the cylinder.

Preferably, the filter screen I and the filter screen II are both provided with metal plates corresponding to knocking balls in the radial direction.

Preferably, an internal thread is arranged on the outer side wall of the outlet end of the pipeline body, and external threads matched with the internal thread are arranged on the inner side walls of the cylinders on two sides of the filter screen II.

Preferably, the hitting ball is located in the outlet end of the pipeline body between the filter screen I and the filter screen II.

The invention has the beneficial effects that:

1. according to the invention, impurities or animals are prevented from entering the ventilating duct through the filter screen I and the filter screen II, and when the filter screen I needs to be replaced or cleaned, the cylinder is screwed down from the pipeline body, then the filter screen I is moved to slide out from the rear pipeline body, and the positioning rod slides out from the notch, so that the disassembly work can be realized, and the filter screen I and the pipeline body are convenient to assemble and disassemble.

2. The positioning rod and the cylinder seal the notch to prevent falling rainwater from entering the pipeline body through the notch, and after liquid enters the pipeline body from the right opening of the cylinder, because the height difference exists between the bottom of the inner side wall of the cylinder and the bottom of the inner side wall of the pipeline body, the liquid deposited at the bottom of the cylinder is not easy to flow back into the pipeline body but flows out through the right opening of the cylinder or flows along the notch below the pipeline body.

Drawings

FIG. 1 is a schematic assembled structure of the present invention;

FIG. 2 is another schematic structural view of the present invention;

figure 3 is a right side view of the pipe body of the present invention.

In the figure: 1. pipeline body, 2, ring, 3, breach, 4, filter screen I, 5, locating lever, 6, bracing piece, 7, screwed pipe, 8, screw rod, 9, connection rope, 10, strike the ball, 11, drum, 12, guiding gutter, 13, filter screen II, 14, metal sheet.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

The utility model provides a ventilation pipe with drainage protective structure, includes pipeline body 1, be provided with ring 2 on the exit end inside wall of pipeline body 1, wherein both sides and the equal axial in bottom are provided with rectangular shape breach 3 around the pipeline body in the ring 2 outside, and still are provided with circular filter screen I4 in the pipeline body 1 in the ring 2 outside, be provided with the locating lever 5 that passes corresponding breach 3 on the outer arc wall of filter screen I4 respectively, and 5 bottoms of below locating lever are higher than 1 bottom horizontal plane of pipeline body.

Still overcoat has rather than the drum 11 of spiro union on the pipeline body 1 outlet end, and one of them one end of drum 11 compresses tightly locating lever 5 and fixes in breach 3 to be provided with the internal thread on pipeline body 1 outlet end lateral wall, wherein be provided with the external screw thread with internal thread looks adaptation on the drum 11 both ends inside wall.

As shown in fig. 1, the filter screen I4 is placed in the opening of the pipe body 1 outside the circular ring 2, wherein the positioning rod 5 on the outer arc wall of the filter screen I4 slides into the corresponding notch 3, at this time, the cylinder 11 is screwed with the outlet end of the pipe body 1, and then the positioning rod 5 is extruded to press the positioning rod 5 at the left sealing end of the notch 3, so as to prevent the positioning rod 5 from sliding in the notch 3, thereby indirectly pressing and fixing the filter screen I4 in the pipe body 1 to prevent the filter screen I4 from sliding horizontally or rotating in the pipe body 1.

Wherein in preventing impurity or animal entering air pipe through filter screen I4 to when filter screen I4 need be changed or clear up, only need twist drum 11 and rotate down from pipeline body 1, remove filter screen I4 after that and follow slide-out in the pipeline body 1, locating lever 5 follow breach 3 and slide out and can realize its dismantlement work, and then make things convenient for the installation between filter screen I4 and the pipeline body 1 to dismantle.

As shown in figure 1, the gap 3 is sealed by the positioning rod 5 and the cylinder 11 to prevent falling rainwater from entering the pipeline body 1 through the gap 3, when liquid enters the pipeline body 1 from the right opening of the cylinder 11, because the height drop difference exists between the bottom of the inner side wall of the cylinder 11 and the bottom of the inner side wall of the pipeline body 1, the liquid deposited at the bottom of the cylinder 11 is not easy to flow back into the pipeline body 1 and flows out through the right opening of the cylinder 11 or flows along the gap 3 at the lower part of the pipeline body 1, because the bottom end of the lower positioning rod 5 is higher than the horizontal plane of the bottom end of the pipeline body 1, the liquid in the gap 3 can flow out through the gap 3 at the bottom of the lower positioning rod 5, thereby realizing the purpose of discharging the deposited liquid at the bottom of the cylinder 11, and meanwhile, the liquid entering the pipeline body 1 can also be shielded by the ring 2 to flow rightwards and finally flows out through the gap 3 at the lower part, without flowing back into the equipment at the other end of the pipe body 1.

And a circle of diversion trench 12 close to the left end of the cylinder 11 is also arranged on the outer side wall of the pipeline body 1, and the diversion trench 12 prevents the liquid on the surface of the pipeline body 1 from flowing into the gap between the cylinder 11 and the pipeline body 1, so that the liquid can be converged in the diversion trench 12 and flow down.

As shown in fig. 1, a filter screen II13 is disposed in the cylinder 11 and closely attached to the outlet end of the pipeline body 1, and the aperture of the filter screen I4 is larger than that of the filter screen II13, so that foreign objects can be prevented from entering the pipeline body 1 through the filter screen II13, and meanwhile, the filter screen I4 and the filter screen II13 which are different in size can filter the airflow discharged from the pipeline body 1, so as to prevent the impurities and the airflow from being discharged into the outside air together to pollute the environment, and the cylinder 11 is separated from the pipeline body 1, and the filter screen I4 is separated from the pipeline body 1, so that the filter screen I4 and the filter screen II13 can be cleaned and the like.

The utility model discloses a pipeline body 1, including filter screen I4, support bar 6, screw pipe 7, screw rod 8, and the metal of being exactly to filter screen I4 centre of a circle department strikes ball 10, and strikes ball 10 and is located the pipeline body 1 exit end between filter screen I4 and filter screen II13, and all radially be provided with the metal sheet 14 that corresponds and strike ball 10 on filter screen I4 and filter screen II13 simultaneously, wherein support bar 6 is provided with screwed pipe 7 in the terminal bottom of support bar 6, threaded rod 8 is threaded connection in this screwed pipe 7, and the bottom of screw rod 8 is fixed with through connecting rope 9.

When strong air flows through the pipeline body 1, the strong air can blow the knocking ball 10 to drive the connecting rope 9 to swing on the screw 8, the swinging knocking ball 10 can knock the metal plate 14, and then the filter screen I4 and the filter screen II13 are vibrated, so that impurities obtained by filtering are not easily adhered to the filter screen I4 and the filter screen II13 to block the aperture of the filter screen I4 and the filter screen II13, and the subsequent filtering work is influenced, and the metal plate 14 is used for preventing the knocking ball 10 from contacting with the filter screen I4 and the filter screen II13 to damage the filter screen I4 and the filter screen II 3538 in the process.

The screw rod 8 and the solenoid 7 are in threaded connection so as to be convenient for installation and disassembly of the pipeline, the knocking ball 10 and the connecting rope 9 are suspended in the pipeline body 1 through the screw rod 8, the length of the connecting rope 9 is further reduced, the knocking ball 10 can be limited to drive the connecting rope 9 to swing when the length is reduced, the impact force of the knocking ball 10 on the metal plate 14 is indirectly reduced, and the probability that the filter screen I4 and the filter screen II13 are damaged is reduced.

Preferably, the filter net II13 is disposed at the middle inside the cylinder 11. Because the internal structures of the cylinders 11 on the two sides of the filter screen II13 are the same, the cylinders 11 can be installed on the pipeline body without specially distinguishing the cylinder top ends when the cylinders are installed on the pipeline body 1.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An air duct with a drainage protection structure comprises a duct body and is characterized in that a circular ring is arranged on the inner side wall of the outlet end of the duct body, wherein strip-shaped notches are axially formed in the front side, the rear side and the bottom of the duct body on the outer side of the circular ring, a circular filter screen I is further arranged in the duct body on the outer side of the circular ring, positioning rods penetrating through the corresponding notches are respectively arranged on the outer arc wall of the filter screen I, the bottom end of the lower positioning rod is higher than the horizontal plane of the bottom end of the duct body, a supporting rod is arranged on one side of the top of the filter screen I, a screw pipe is arranged at the bottom end of the supporting rod, a screw rod is screwed in the screw pipe, the bottom end of the screw rod is fixedly provided with a metal knocking ball right opposite to the circle center of the filter screen I through a connecting rope, a cylinder screwed with the outlet end of the duct body is further sleeved outside, and one end of the cylinder tightly presses and fixes the positioning rods in the notches, wherein, the outer side wall of the pipeline body is also provided with a circle of diversion trenches close to the tail end of the cylinder, and the cylinder is also internally provided with a filter screen II tightly attached to the outlet end of the pipeline body.

2. A ventilation duct with a drainage protection structure according to claim 1, characterized in that the aperture of the filter screen I is larger than the aperture of the filter screen II, wherein the filter screen II is disposed in the middle inside the cylinder.

3. The ventilation duct with the drainage protection structure according to claim 1, wherein metal plates corresponding to knocking balls are radially arranged on the filter screen I and the filter screen II.

4. The ventilation pipeline with the drainage protection structure according to claim 1, wherein an internal thread is arranged on the outer side wall of the outlet end of the pipeline body, and an external thread matched with the internal thread is arranged on the inner side wall of the cylinder on two sides of the filter screen II.

5. The ventilation pipeline with the drainage protection structure according to claim 1, wherein the knocking ball is located in the outlet end of the pipeline body between the filter screen I and the filter screen II.