CN217081722U - PVC blow-off pipe - Google Patents

Abstract

The present application relates to the technical field of pipelines, and in particular to a PVC sewage pipe, which includes a pipe body, a rotating ring, a spiral blade and a scraper. The inner wall of the pipe body is provided with a rotating groove in the circumferential direction, and the rotating ring is rotatably connected In the rotating groove, the rotating ring and the pipe body are coaxially arranged, the helical blades are fixedly connected to the rotating ring, the helical blades are arranged in multiple groups along the circumferential direction of the rotating ring, and the scrapers are arranged along the helical blades. The length direction of the blade is fixedly arranged on the side of the helical blade close to the inner wall of the tube, and the scraper and the inner wall of the tube abut each other. The present application has the effect of preventing pipe clogging and improving the cleanliness of the inner wall of the pipe.

Description

A PVC sewage pipe

technical field

The present application relates to the technical field of pipes, in particular to a PVC sewage pipe.

Background technique

PVC is the abbreviation of (Polyvinylchlorid), the main component is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility. The convenience and other characteristics have been well received by the engineering community. In recent years, driven by the rapid development of the domestic economy, my country's PVC pipes have developed very rapidly, and related companies have also invested a lot in research and development.

At present, in the existing sewage pipes, most of the PVC pipes are directly installed in the sewers and used as sewage pipes. The water in the sewers will flow directly through the PVC pipes, while the PVC pipes are used for a long time. , Substances such as dregs and grease in the sewer will adhere to the inner wall of the PVC pipe and cause problems such as pipe blockage.

Utility model content

In order to prevent pipeline blockage and improve the cleanliness of the inner wall of the pipeline, the present application provides a PVC sewage pipe.

A kind of PVC sewage pipe provided by the application adopts the following technical scheme:

A PVC sewage pipe includes a pipe body, a rotating ring, a spiral blade and a scraper, the inner wall of the pipe body is provided with a rotating groove along the circumferential direction, the rotating ring is rotatably connected in the rotating groove, and the rotating ring is connected to the pipe. The body is coaxially arranged, the helical blade is fixedly connected to the rotating ring, the helical blades are arranged in multiple groups along the circumferential direction of the rotating ring, and the scraper is fixedly arranged in the helical blade close to the pipe body along the length direction of the helical blade On one side of the wall, the scraper abuts against the inner wall of the pipe.

By adopting the above technical solution, when the sewage flows through this section of the pipe body, the flow of the sewage will drive the spiral blades to rotate, thereby driving the scrapers on the spiral blades to scrape off the dregs, grease and other substances on the inner wall of the pipe, so as to follow the sewage flow The rotating ring can play the role of limiting and fixing the spiral blades, ensuring that multiple groups of spiral blades can normally rotate along the axis of the pipe body, so that the scrapers on the spiral blades can better scrape the inner wall of the pipe. dregs, grease and other substances, so as to ensure the dredging of the pipe body and improve the cleanliness of the inner wall of the pipe.

Optionally, the side of the spiral blade close to the inner wall of the tube is also fixedly provided with bristles, the bristles abut against the inner wall of the tube, and the bristles are located on both sides of the scraper.

By adopting the above technical solution, when the sewage drives the spiral blade to rotate, the bristles can play the role of brushing. After the bristles on one side of the scraper brushes the inner wall of the pipe body, the scraper will scrape once, and finally the scraper on the other side of the scraper will scrape the inner wall of the pipe body. The bristles can be brushed again, so that the inner wall of the pipe body can be brushed more cleanly.

Optionally, a plurality of cutting blades are fixedly disposed on a side of each of the spiral blades away from the inner wall of the tube, and the cutting blades are evenly arranged along the length direction of the spiral blades.

By adopting the above technical solution, the plurality of cutting blades on the helical blade can cut the large-volume impurities in the sewage into small-volume shapes, and prevent the large-volume impurities from clogging the pipe body.

Optionally, a water guide ring is fixed coaxially on the water inlet side of the pipe body, the water guide ring is constricted toward the side of the helical blade and is arranged facing the helical blade, and the water guide ring is far away from the helical blade. The outer wall of one side of the blade is abutted and fixed on the inner wall of the pipe body.

By adopting the above technical solution, after the sewage enters the water guide ring, since the water guide ring is constricted toward the side of the spiral blade, the flow rate of the sewage can be increased, so that the sewage can better impact the spiral blade and make the spiral blade Rotation, while enabling the cutting blade to better cut large volumes of impurities.

Optionally, the helical blade is hollow.

By adopting the above technical solution, the helical blade is hollow, which can reduce the weight of the helical blade and facilitate the transportation and installation of the staff.

Optionally, a plurality of balls are rotatably embedded on both sides of the rotating ring, the balls are evenly arranged along the circumferential direction of the rotating ring, and the balls abut on the inner wall of the rotating groove.

By adopting the above technical solution, when the rotating ring rotates, the ball can reduce the friction force between the rotating ring and the inner wall of the rotating groove, and facilitate the rotation of the rotating ring to increase the rotation speed of the rotating ring.

Optionally, an abutting bolt is threaded on the pipe body, the abutting bolt abuts on the outer wall of the rotating ring, and a rubber sealing ring is sleeved on the abutting bolt, and the rubber sealing ring is One end abuts on the outer wall of the pipe body, and the other end abuts on the nut of the abutting bolt.

By adopting the above technical solution, the position of the rotating ring can be fixed when the tightening bolt is screwed, and the rotating ring can be prevented from rotating, thereby preventing the rotating ring from rotating randomly when not in use, and at the same time, the tightening of the tightening bolt can be adjusted It is easy and convenient to adjust the rotation speed of the rotating ring, and the rubber sealing ring can prevent water from seeping out of the abutting bolt.

Optionally, flanges are fixed coaxially at both ends of the pipe body.

By adopting the above technical solution, the flanges at both ends of the pipe body can conveniently connect this section of the pipe body with other pipes.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. When the sewage flows through this section of the pipe body, the flow of the sewage will drive the spiral blades to rotate, thereby driving the scraper on the spiral blades to scrape off the dregs and grease and other substances on the inner wall of the pipe, so as to follow the sewage to flow away, which rotates. The ring can play the role of limiting and fixing the spiral blades, ensuring that multiple groups of spiral blades can rotate normally along the axis of the pipe body, so that the scrapers on the spiral blades can better scrape the dregs and grease on the inner wall of the pipe. substances, so as to ensure the dredging of the pipe body and improve the cleanliness of the inner wall of the pipe;

2. The multiple cutting blades on the spiral blade can cut the large volume of impurities in the sewage into small volumes, and prevent the large volume of impurities from clogging the pipe body;

3. When the abutment bolt is screwed, the position of the rotating ring can be fixed and the rotation of the rotating ring can be prevented, so as to prevent the rotating ring from turning randomly when not in use. The rotation speed of the rotating ring is easily and conveniently adjusted, while the rubber seal prevents water from seeping out of the abutment bolt.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the embodiment of the present application;

2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of the helical blade and the cutting blade used in the present application.

Description of reference numerals: 1. Pipe body; 11. Rotating groove; 12. Water guide ring; 13. Flange plate; 2. Rotating ring; 21. Ball; 3. Spiral blade; 31. Scraper; 33. Cutting blade; 4. Tighten the bolt; 5. Rubber sealing ring.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-3.

The embodiment of the present application discloses a PVC sewage pipe. 1 and 2, a PVC sewage pipe includes a pipe body 1, a rotating ring 2, a spiral blade 3 and a scraper 31. The two ends of the pipe body 1 are fixed and welded with flanges 13 coaxially. The inner wall is provided with a rotating groove 11 along the circumferential direction, the rotating groove 11 is annular, the rotating ring 2 is rotatably connected in the rotating groove 11, the rotating ring 2 and the pipe body 1 are coaxially arranged, and the spiral blade 3 is fixedly connected to the rotating ring 2 On the upper side, the helical blade 3 is hollow, and there are 4 groups of the helical blade 3 along the circumferential direction of the rotating ring 2. The scraper 31 is fixedly installed on the side of the helical blade 3 close to the inner wall of the pipe body 1 along the length direction of the helical blade 3. The sheet 31 is in contact with the inner wall of the tube body 1, and the side of the spiral blade 3 close to the inner wall of the tube body 1 is also fixed with bristles 32 using glue. At the same time, the side of each spiral blade 3 away from the inner wall of the pipe body 1 is fixedly welded with a plurality of cutting blades 33. The cutting blades 33 are evenly arranged along the length direction of the spiral blade 3. When the sewage drives the spiral blade 3 to rotate, the bristles 32 It can play the role of brushing. After the bristles 32 on one side of the scraper 31 scrub the inner wall of the pipe body 1, the scraper 31 will scrape off once, and finally the bristles 32 on the other side of the scraper 31 can be brushed again, so that the pipe can be cleaned. The inner wall of the body 1 is brushed more cleanly, and the multiple cutting blades 33 on the spiral blade 3 can cut the large-volume impurities in the sewage into small-volume shapes, and prevent the large-volume impurities from clogging the pipe body 1 .

2 and 3, the water inlet side of the pipe body 1 is coaxially and fixedly installed with a water guide ring 12. The water guide ring 12 is constricted toward the side of the helical blade 3 and is set facing the helical blade 3, and the guide ring 12 is in the shape of a constriction. The outer wall of the water ring 12 away from the spiral blade 3 abuts and is welded on the inner wall of the pipe body 1. After the sewage enters the water guide ring 12, since the water guide ring 12 is constricted on the side facing the spiral blade 3, it can increase the size of the water ring 12. The flow rate of the sewage enables the sewage to better impact the helical blade 3 and make the helical blade 3 rotate, and at the same time enables the cutting blade 33 to better cut large-volume impurities.

Referring to FIG. 2 , a plurality of balls 21 are rotatably embedded on both sides of the rotating ring 2 . The balls 21 are evenly arranged along the circumferential direction of the rotating ring 2 . The balls 21 abut on the inner wall of the rotating groove 11 . When rotating, the balls 21 can reduce the friction between the rotating ring 2 and the inner wall of the rotating groove 11 , and facilitate the rotating of the rotating ring 2 to increase the rotating speed of the rotating ring 2 .

Referring to FIG. 2 , an abutting bolt 4 is threaded on the pipe body 1 , the abutting bolt 4 abuts on the outer wall of the rotating ring 2 , and a rubber sealing ring 5 is sleeved on the abutting bolt 4 . The rubber sealing ring 5 One end abuts on the outer wall of the pipe body 1, and the other end abuts on the nut of the abutting bolt 4. In this implementation, the abutting bolt 4 is a butterfly bolt, which can be easily screwed by the operator, and The operator can fix the position of the rotating ring 2 and prevent the rotating ring 2 from rotating by twisting the tightening bolt 4, thereby preventing the rotating ring 2 from rotating randomly when not in use. tightening force to adjust the rotational speed of the rotating ring 2 , wherein the rubber sealing ring 5 can prevent water from seeping out from the abutting bolt 4 .

The implementation principle of a PVC sewage pipe in the embodiment of the present application is as follows: when sewage flows through this section of pipe body 1, after being pressurized by the water guide ring 12, the flow of sewage will drive 4 sets of spiral blades 3 to rotate at the same time, thereby driving the spiral The scraper 31 and bristles 32 on the blade 3 scrape off the dregs, grease and other substances on the inner wall of the pipe body 1, so that it flows away with the sewage, wherein the multiple cutting blades 33 on the spiral blade 3 can remove the large volume of impurities in the sewage. Cut into a small volume shape, and prevent the pipeline from clogging, so as to ensure the dredging of the pipe body 1 and improve the cleanliness of the inner wall of the pipe body 1.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (8)

1. A PVC sewage pipe, characterized in that it comprises a pipe body (1), a rotating ring (2), a helical blade (3) and a scraper (31), and the inner wall of the pipe body (1) is provided along the circumferential direction There is a rotating groove (11), the rotating ring (2) is rotatably connected in the rotating groove (11), the rotating ring (2) and the pipe body (1) are coaxially arranged, and the helical blade (3) is fixed Connected to the rotating ring (2), the helical blades (3) are arranged in multiple groups along the circumferential direction of the rotating ring (2), and the scrapers (31) are fixedly arranged on the helical blade (31) along the length direction of the helical blade (3). The blade (3) is close to the side of the inner wall of the pipe body (1), and the scraper (31) is in contact with the inner wall of the pipe body (1). 2 . The PVC sewage pipe according to claim 1 , wherein the side of the helical blade ( 3 ) close to the inner wall of the pipe body ( 1 ) is also fixedly provided with bristles ( 32 ), and the bristles ( 32 ). ) abuts against the inner wall of the pipe body (1), and the bristles (32) are located on both sides of the scraper (31). 3. A PVC sewage pipe according to claim 2, characterized in that: a plurality of cutting blades (33) are fixedly arranged on the side of each of the spiral blades (3) away from the inner wall of the pipe body (1), The cutting blades (33) are evenly arranged along the length direction of the helical blade (3). 4. A PVC sewage pipe according to claim 3, characterized in that a water guide ring (12) is fixed coaxially on the water inlet side of the pipe body (1), and the water guide ring (12) ) is constricted toward the side of the helical blade (3) and is arranged facing the helical blade (3). on the inner wall. 5 . The PVC sewage pipe according to claim 4 , wherein the spiral blades ( 3 ) are arranged in a hollow shape. 6 . 6 . The PVC sewage pipe according to claim 4 , wherein a plurality of balls ( 21 ) are rotatably embedded on both sides of the rotating ring ( 2 ), and the balls ( 21 ) rotate along the rotating ring ( 21 ). 7 . 2) are evenly arranged in the circumferential direction, and the balls (21) abut on the inner wall of the rotating groove (11). 7 . The PVC sewage pipe according to claim 6 , wherein the pipe body ( 1 ) is threaded with abutting bolts ( 4 ), and the abutting bolts ( 4 ) abut on rotating On the outer wall of the ring (2), a rubber sealing ring (5) is sleeved on the abutting bolt (4), one end of the rubber sealing ring (5) abuts on the outer wall of the pipe body (1), and the other end Abut on the nut of the abutment bolt (4). 8 . The PVC sewage pipe according to claim 7 , wherein flanges ( 13 ) are fixed coaxially at both ends of the pipe body ( 1 ). 9 .

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