CN210291107U

CN210291107U - PP-R pipe that leakproofness is strong

Info

Publication number: CN210291107U
Application number: CN201920717022.8U
Authority: CN
Inventors: 杨利忠
Original assignee: Fujian Fuhua Pipe Industry Co ltd
Current assignee: Fujian Fuhua Pipe Industry Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-10
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a PP-R pipe with strong sealing performance, which comprises a sealing pipe, wherein the inner side wall of the sealing pipe is fixedly connected with a sealing plate, and the sealing plate is provided with a through hole; two first grooves are symmetrically formed in the sealing plate, the side walls of the first grooves are connected with PP-R pipes in an abutting mode, first annular sealing grooves are formed in the PP-R pipes, the elastic plate can be pulled to be tightened by the movement of the first steel ropes, and therefore the sealing ring is pressed into the first annular sealing grooves, and the sealing effect is achieved; on the other hand, the second steel rope is wound on the screw, the rotation of the second steel rope can pull the rotating pipe to rotate, the rotation of the rotating pipe can enable the abutting rod to move downwards, and the movement of the abutting rod can abut against the sealing ring to enter the first annular sealing groove, so that a sealing effect is achieved; the existence of the sealing ring can play a role in the first step of sealing; therefore, the device can achieve the effect of high-efficiency sealing through multi-step measures.

Description

PP-R pipe that leakproofness is strong

Technical Field

The utility model relates to a PP-R manages technical field, specifically is a PP-R pipe that leakproofness is strong.

Background

The PP-R pipe is also called a three-type polypropylene pipe and is also called a random copolymerization polypropylene pipe, has the advantages of energy conservation, material conservation, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scale formation, simple and convenient construction and maintenance, long service life and the like, and is widely applied to the fields of building water supply and drainage, urban and rural water supply and drainage, urban gas, electric power, optical cable sheaths and the like. However, the existing PP-R pipe has the defect of poor sealing effect at the joint, and leakage is easily caused after a long time, so that the PP-R pipe with high sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PP-R pipe that leakproofness is strong to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the PP-R pipe with high sealing performance comprises a sealing pipe, wherein a sealing plate is fixedly connected to the inner side wall of the sealing pipe, and a through hole is formed in the sealing plate;

the sealing plate is symmetrically provided with two first grooves, the side walls of the first grooves are connected with PP-R pipes in an abutting mode, first annular sealing grooves are formed in the PP-R pipes, sealing rings are connected in the first annular sealing grooves in an abutting mode, one ends of the sealing rings are fixedly connected to the side walls of the sealing plate, elastic plates are connected outside the sealing rings in an abutting mode, two ends of each elastic plate are symmetrically and fixedly connected with one end of a first steel rope, the other end of the first steel rope bypasses a fixed pulley and is fixedly connected to the side wall of a screw, the fixed pulley is rotatably connected to the inner side wall of the sealing pipe, the screw is movably inserted into the sealing pipe, the lower end of the screw penetrates through the sealing rings and extends into a screw groove formed in the PP-R pipe, one end of a second steel rope is fixedly connected to the side wall of the screw, the other end of the second steel rope extends into a second groove formed in the sealing plate and is, the upper end of the rotating pipe is rotatably connected to the top wall of the second groove, the inner side wall of the rotating pipe is in threaded connection with a supporting rod, the upper end of the supporting rod is fixedly connected with a telescopic rod, the other end of the telescopic rod is fixedly connected to the top wall of the second groove, the lower end of the supporting rod is connected with a sealing ring in an abutting mode, one end of a plurality of springs is fixedly connected to the side wall of the sealing ring, the other end of each spring is fixedly connected to the side wall of the second groove, and a second annular sealing groove matched with the sealing ring is formed in the PP-R pipe.

Preferably, the lower end of the abutting rod is of a trapezoidal structure.

Preferably, a sealing sleeve is fixedly sleeved on the sealing ring.

Preferably, an anti-slip film is fixedly sleeved on the screw.

Preferably, one end of the sealing ring, which is positioned outside the sealing pipe, is of a horn-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. due to the existence of the elastic plate, the sealing ring can be extruded into the first annular sealing groove in the tightening process of the elastic plate, so that the sealing effect is achieved.

2. The existence of the sealing ring achieves the sealing effect by entering the second annular sealing groove.

3. The existence of the sealing ring can also play a role of sealing.

4. The existence of the screw can fix the PP-R pipe on one hand and complete the whole sealing process in the rotating process on the other hand.

In conclusion, the device can achieve the effect of efficient sealing through multi-step measures.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged sectional view of the structure A-A;

fig. 3 is an enlarged schematic view of the structure B.

In the figure: 1. a sealing tube; 2. a seal ring; 3. a PP-R pipe; 4. an elastic plate; 5. a first steel rope; 6. a screw; 7. a fixed pulley; 8. a second steel cord; 9. a sealing plate; 10. rotating the tube; 11. a support rod; 12. a telescopic rod; 13. and (4) a sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the PP-R pipe with high sealing performance comprises a sealing pipe 1, wherein a sealing plate 9 is fixedly connected to the inner side wall of the sealing pipe 1, and a through hole is formed in the sealing plate 9;

two first grooves are symmetrically formed in the sealing plate 9, the side wall of each first groove is connected with a PP-R pipe 3 in an abutting mode, a first annular sealing groove is formed in each PP-R pipe 3, a sealing ring 2 is connected to the inside of each first annular sealing groove in an abutting mode, one end of each sealing ring 2 is fixedly connected to the side wall of the sealing plate 9, an elastic plate 4 is connected to the outside of each sealing ring 2 in an abutting mode, one ends of first steel ropes 5 are symmetrically and fixedly connected to the two ends of each elastic plate 4, the other end of each first steel rope 5 bypasses a fixed pulley 7 and is fixedly connected to the side wall of a screw 6, the fixed pulley 7 is rotatably connected to the inner side wall of the sealing pipe 1, the screw 6 is movably inserted into the sealing pipe 1, the lower end of the screw 6 penetrates through the sealing ring 2 and extends into a screw groove formed in the PP-R pipe 3, one end of a second steel rope 8 is fixedly connected to the side wall of the screw 6, the other end of the The upper end of rotatory pipe 10 is rotated and is connected on the roof of second recess, and the inside wall threaded connection of rotatory pipe 10 has to support pole 11, support the upper end fixedly connected with telescopic link 12 of pole 11, and the other end fixed connection of telescopic link 12 is on the roof of second recess, the lower extreme conflict of supporting pole 11 is connected with sealing ring 13, and the one end of the multiple springs of lateral wall fixedly connected with of sealing ring 13, the other end fixed connection of spring is on the lateral wall of second recess, set up on PP-R pipe 3 with 13 assorted second annular seal grooves of sealing ring, the lower extreme of supporting pole 11 is the trapezium structure, the timely transmission of motion, fixed cover has been cup jointed the seal cover on the sealing ring 13, play better sealing effect, fixed cup jointed the non-slip membrane on screw 6, play the non-slip effect, sealing washer 2 is located 1 outer one end and is the horn structure, prevent to block.

In the present case, insert two sections PP-R pipe 3 respectively in two sealing washer 2, when PP-R pipe 3 contacted the lateral wall of first recess, twist screw 6, the rotation of screw 6:

on one hand, the two first steel cables 5 are pulled to move, the elastic plate 4 is pulled to be tightened by the movement of the first steel cables 5, and the sealing ring 2 is pressed into the first annular sealing groove to play a sealing role;

on the other hand, the second steel rope 8 is wound on the screw 6, the rotation of the second steel rope 8 can pull the rotating pipe 10 to rotate, the rotation of the rotating pipe 10 can enable the abutting rod 11 to move downwards, and the movement of the abutting rod 11 can abut against the sealing ring 13 to enter the first annular sealing groove, so that a sealing effect is achieved;

the existence of the sealing ring 2 can play a role in the first step of sealing;

therefore, the device can achieve the effect of high-efficiency sealing through multi-step measures.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The PP-R pipe with high sealing performance comprises a sealing pipe (1), wherein a sealing plate (9) is fixedly connected to the inner side wall of the sealing pipe (1), and a through hole is formed in the sealing plate (9);

the method is characterized in that: two first grooves are symmetrically formed in the sealing plate (9), the side wall of each first groove is connected with a PP-R pipe (3) in an abutting mode, a first annular sealing groove is formed in each PP-R pipe (3), a sealing ring (2) is connected in the first annular sealing groove in an abutting mode, one end of each sealing ring (2) is fixedly connected to the side wall of the sealing plate (9), the outer portion of each sealing ring (2) is connected with an elastic plate (4) in an abutting mode, two ends of each elastic plate (4) are symmetrically and fixedly connected with one end of a first steel rope (5), the other end of each first steel rope (5) is fixedly connected to the side wall of a screw (6) in an abutting mode by a fixed pulley (7), the fixed pulley (7) is rotatably connected to the inner side wall of the sealing pipe (1), the screw (6) is movably inserted into the sealing pipe (1), the lower end of the screw (6) penetrates through the sealing ring (2) and extends into a screw groove formed in each PP-, one end of a second steel rope (8) is fixedly connected to the side wall of the screw (6), the other end of the second steel rope (8) extends into a second groove formed in the sealing plate (9) and is wound and connected to the outer side wall of the rotating pipe (10), the upper end of the rotating pipe (10) is rotatably connected to the top wall of the second groove, the inner side wall of the rotating pipe (10) is connected with a resisting rod (11) in a threaded manner, the upper end of the resisting rod (11) is fixedly connected with a telescopic rod (12), the other end of the telescopic rod (12) is fixedly connected to the top wall of the second groove, the lower end of the abutting rod (11) is connected with a sealing ring (13) in an abutting mode, and the side wall of the sealing ring (13) is fixedly connected with one end of a plurality of springs, the other end of each spring is fixedly connected with the side wall of the second groove, and a second annular sealing groove matched with the sealing ring (13) is formed in the PP-R pipe (3).

2. The PP-R pipe with high sealing performance as claimed in claim 1, wherein: the lower end of the abutting rod (11) is of a trapezoidal structure.

3. The PP-R pipe with high sealing performance as claimed in claim 1, wherein: and a sealing sleeve is fixedly sleeved on the sealing ring (13).

4. The PP-R pipe with high sealing performance as claimed in claim 1, wherein: the screw (6) is fixedly sleeved with an anti-skid film.

5. The PP-R pipe with high sealing performance as claimed in claim 1, wherein: and one end of the sealing ring (2) positioned outside the sealing pipe (1) is of a trumpet-shaped structure.