CN215635665U

CN215635665U - Plastic pipeline connecting structure

Info

Publication number: CN215635665U
Application number: CN202121822510.9U
Authority: CN
Inventors: 滕平强; 刘宏; 吴子山
Original assignee: SEPCO Electric Power Construction Co Ltd
Current assignee: SEPCO Electric Power Construction Co Ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-25
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to a plastic pipeline connecting structure, which comprises a first plastic pipe, a second plastic pipe and a tightening mechanism, wherein the tightening mechanism comprises an anchor ear and a sealing gasket, the inner diameter of the anchor ear in a natural state is more than 4mm larger than the outer diameters of the first plastic pipe and the second plastic pipe, the side wall of the anchor ear is provided with an adjusting gap, two sides of the adjusting gap are respectively provided with a connecting plate, and the two connecting plates are connected through an adjusting bolt and have an adjusting distance; the inner diameter of the sealing gasket in a natural state is smaller than the outer diameters of the first plastic pipe and the second plastic pipe by more than 2 mm; the ports of the first plastic pipe and the second plastic pipe extend into the sealing gasket from the two ends of the hoop respectively. The anchor ear is integrated, the sealing effect is good, the rapid installation can be realized by arranging the adjusting notch, the pressing force on the sealing gasket can be adjusted by controlling the size of the adjusting notch during installation, and when water leakage occurs, the pressing force on the sealing gasket can be conveniently increased by utilizing the adjusting bolt, so that leakage points are rapidly eliminated.

Description

Plastic pipeline connecting structure

Technical Field

The utility model relates to the technical field of plastic pipe connection, in particular to a plastic pipe connecting structure.

Background

The plastic tubing is common material, in the building site work progress, often need couple together two plastic tubing of equidimension, generally adopt the mode of bonding at present, the binder that the bonding adopted has certain toxicity, be unfavorable for constructor's safety, and require the mouth of pipe to polish totally in the bonding process, insert behind the mouth of pipe and require that mouth of pipe department does not have any additional effort behind the mouth of pipe after smearing the binder, the phenomenon that the easy emergence of mouth of pipe department was leaked during the period of suppressing exists simultaneously, need to open with the file mill during the leak source is handled and mend gluey, it is very troublesome to handle. Therefore, the traditional plastic pipeline installation technology is relatively laggard, the construction quality is relatively poor, and the pipeline alignment is relatively slow.

The utility model discloses a utility model patent application number 00202228.1 discloses a coupling joint, this kind of coupling adopt sealed the pad to seal up, utilize two annular pipe strap of semicircle to compress tightly sealed the pad simultaneously, do not reserve the interval between the both ends of two pipe straps, can't adjust the pressure to sealed the pad, when appearing leaking, can't eliminate the leak source, and the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic pipeline connecting structure, which ensures the convenience of plastic pipeline installation and can be quickly adjusted to eliminate leakage points when water leaks from a connecting part.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the plastic pipeline connecting structure comprises a first plastic pipe, a second plastic pipe and a tightening mechanism, wherein the tightening mechanism comprises an annular hoop and a sealing gasket, the inner diameter of the hoop in a natural state is more than 4mm larger than the outer diameters of the first plastic pipe and the second plastic pipe, the side wall of the hoop is provided with an adjusting gap axially penetrating through the hoop, two sides of the adjusting gap are provided with connecting plates, and an adjusting space is formed between the two connecting plates and is connected with the two connecting plates through an adjusting bolt; the inner diameter of the sealing gasket in a natural state is smaller than the outer diameters of the first plastic pipe and the second plastic pipe by more than 2 mm; the ports of the first plastic pipe and the second plastic pipe extend into the sealing gasket from two ends of the hoop respectively.

Further, the outer diameters of the first plastic pipe and the second plastic pipe are larger than 200mm, and the sealing gaskets cover the inner wall of the hoop.

Further, the external diameter of first plastic tubing and second plastic tubing is less than or equal to 200mm, the inner wall of staple bolt is provided with the constant head tank, sealed the pad is located the constant head tank.

Further, the middle part of constant head tank is provided with annular isolation boss, respectively set up a sealed pad in the constant head tank of keeping apart the boss both sides, first plastic tubing and second plastic tubing stretch into respectively keep apart in the sealed pad of boss both sides.

Further, the inner diameter of the hoop in a natural state is 6mm larger than the outer diameters of the first plastic pipe and the second plastic pipe.

Further, the inner diameter of the sealing gasket in a natural state is smaller than the outer diameter of the first plastic pipe and the second plastic pipe by 3 mm.

Further, the connecting plate is connected with curved mounting panel, the mounting panel is L shape with the connecting plate, and the outer wall fixed connection of mounting panel and staple bolt.

Further, the mounting panel is riveted with the outer wall of staple bolt.

Further, the lengths of the first plastic pipe and the second plastic pipe extending into the sealing gasket are the same.

The utility model has the beneficial effects that: the hoop is integral, the sealing effect is good, and the rapid installation can be realized only by locking the adjusting notch through the adjusting notch. When the sealing gasket is installed, the size of the adjusting gap is controlled to adjust the pressing force on the sealing gasket, and when water leakage occurs, the pressing force on the sealing gasket can be increased conveniently by using the adjusting bolt, so that leakage points are eliminated quickly.

Drawings

FIG. 1 is a schematic side view of the first and second embodiments;

FIG. 2 is a schematic front view of the first embodiment;

FIG. 3 is a schematic front view of the second embodiment;

reference numerals: 1-a first plastic tube; 2-a second plastic tube; 3, hooping; 4, sealing gaskets; 5, connecting a plate; 6, adjusting the bolt; 7, isolating the boss; 8, adjusting the distance; 9-mounting plate.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

Example one

As shown in fig. 1 and 2, the plastic pipe connection structure of the present invention includes a first plastic pipe 1, a second plastic pipe 2, and a tightening mechanism, wherein the outer diameters of the first plastic pipe 1 and the second plastic pipe 2 are greater than 200mm, and the plastic pipe connection structure is an existing plastic pipe.

The hooping mechanism comprises an annular hoop 3 and a sealing gasket 4, the inner diameter of the hoop 3 in a natural state is larger than the outer diameter of 4mm of the first plastic pipe 1 and the second plastic pipe 2, the side wall of the hoop 3 is provided with an axial adjusting notch penetrating through the hoop 3, the two sides of the adjusting notch are provided with connecting plates 5, and an adjusting interval 8 is arranged between the two connecting plates 5 and is connected with the two connecting plates through an adjusting bolt 6.

The anchor ear 3 is used for providing pressing force, so that the sealing gasket 4 is deformed to realize the sealing of the joint of the first plastic pipe 1 and the second plastic pipe 2. The anchor ear 3 is integral and is formed by curling a steel plate, and the curled anchor ear is not in a closed ring shape but is provided with an adjusting gap so as to adjust the pressing force on the sealing gasket 4. The internal diameter of staple bolt 3 under natural state is greater than the external diameter 4mm of first plastic tubing 1 and second plastic tubing 2 more, preferably 6mm big, and natural state is the state that staple bolt 3 is not forced to be out of shape, and the internal diameter of staple bolt 3 is great, and the sealed pad 4 of 3 inner walls of staple bolt is inserted more easily to the port of first plastic tubing 1 and second plastic tubing 2 during the installation, reduces the resistance. The connecting plates 5 are used for installing adjusting bolts 6, the adjusting bolts 6 are matched with the nuts, and the distance between the two connecting plates 5 can be adjusted by rotating the nuts, so that the hoop 3 compresses and fixes the sealing gasket 4 on the first plastic pipe 1 and the second plastic pipe 2, and meanwhile, the pressing force of the hoop 3 on the sealing gasket 4 is adjusted. The connection plate 5 has a suitable length and is provided with at least two adjusting bolts 6 to ensure the stability of the anchor ear 3 and to improve the sealing.

The inner diameter of the sealing gasket 4 in a natural state is smaller than the outer diameters of the first plastic pipe 1 and the second plastic pipe 2 by more than 2mm, and the sealing gasket 4 covers the inner wall of the hoop 3. The ports of the first plastic pipe 1 and the second plastic pipe 2 extend into the sealing gasket 4 from two ends of the hoop 3 respectively.

The sealing gasket 4 can be a rubber gasket and is in a ring shape, and can be coated outside the first plastic pipe 1 and the second plastic pipe 2 to ensure the sealing effect. The inner diameter of the gasket 4 in the natural state, i.e. the state in which the gasket 4 is not subjected to any force before use, is smaller than the outer diameter of the first plastic tube 1 and the second plastic tube 2 by more than 2mm, preferably by 3mm, to ensure that the gasket 4 has a sufficient amount of deformation, thereby improving the sealing property.

During the installation, put into staple bolt 3 with sealed 4, make the outer wall of sealed 4 paste the inner wall of tight staple bolt 3, utilize water to lubricate the inner wall of sealed 4 of filling up, then stretch into sealed 4 of filling up from the one end of sealed 4 with the port of first plastic tubing 1, stretch into sealed 4 of filling up from the other end of sealed 4 with the port of second plastic tubing 2, sealed 4 of filling up is propped open, first plastic tubing 1 and second plastic tubing 2 stretch into the length of sealed 4 in the same, and when the port of first plastic tubing 1 and second plastic tubing 2 contacted, can rotate adjusting bolt 6's nut, draw the distance between two connecting plates 5 closely, compress tightly sealed 4. After the compression, the two connecting plates 5 are provided with a proper adjusting space 8. After the installation is finished, water can be introduced for pressure test, if water leakage occurs, the adjusting bolt 6 is used for fine adjustment, and the pressing force on the sealing gasket 4 is increased so as to eliminate leakage points.

Connecting plate 5 can be directly welded to adjustment breach department, and is preferred, connecting plate 5 is connected with curved mounting panel 9, mounting panel 9 is L shape with connecting plate 5, the laminating of mounting panel 9 and staple bolt 3's outer wall, and mounting panel 9 and staple bolt 3's outer wall fixed connection, specific accessible bolted connection also can rivet etc.

Example two

As shown in fig. 1 and 3, the plastic pipeline connecting structure of the present invention includes a first plastic pipe 1, a second plastic pipe 2, and a tightening mechanism, wherein the outer diameters of the first plastic pipe 1 and the second plastic pipe 2 are less than or equal to 200mm, the tightening mechanism includes an annular hoop 3 and a gasket 4, the inner diameter of the hoop 3 in a natural state is greater than the outer diameters of the first plastic pipe 1 and the second plastic pipe 2 by 6mm, the sidewall of the hoop 3 has an adjustment notch axially penetrating through the hoop 3, two sides of the adjustment notch are respectively provided with a connecting plate 5, and the two connecting plates 5 have an adjustment space 8 therebetween and are connected by an adjustment bolt 6. The inner wall of staple bolt 3 is provided with the constant head tank, sealed 4 of filling up is located the constant head tank. The middle part of constant head tank is provided with annular isolation boss 7, respectively set up a sealed 4 in the constant head tank of isolation boss 7 both sides, first plastic tubing 1 and second plastic tubing 2 stretch into respectively and keep apart in the sealed 4 of boss 7 both sides. The internal diameter of sealed 4 under natural state is less than the external diameter 3mm of first plastic tubing 1 and second plastic tubing 2, the port of first plastic tubing 1 and second plastic tubing 2 stretches into inside sealed 4 of filling up from the both ends of staple bolt 3 respectively.

When the pipe diameter of first plastic tubing 1 and second plastic tubing 2 is less, specifically when the external diameter of first plastic tubing 1 and second plastic tubing 2 is less than or equal to 200mm, if the mouth of pipe department bears external torsional stress great, thereby easily take place sealed deformation of 4 and cause the leakage, arrange isolation boss 7 in two mouths of pipe and hold the junction department, the material of isolation boss 7 is unanimous and is the carbon steel with staple bolt 3 material, can share great outside torsional force, thereby prevent sealed 4 great deformation of production and cause the leakage, thereby guarantee sealed effect. In addition, with sealed 4 settings in the constant head tank, can improve sealed 4 stability of filling up, prevent its axial displacement.

The utility model has simple structure, low manufacturing cost and good sealing effect, only one adjusting notch is arranged, and the installation is convenient and quick because only the adjusting notch is needed to be locked when in installation, and the adjusting gap 8 is reserved, and when water leakage occurs, the locking can be further carried out by reducing the width of the adjusting gap 8, thereby quickly eliminating leakage points and being very convenient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Plastic conduit connection structure, including first plastic tubing (1), second plastic tubing (2) and pinch mechanism, its characterized in that: the hooping mechanism comprises an annular hoop (3) and a sealing gasket (4), the inner diameter of the hoop (3) in a natural state is larger than the outer diameters of the first plastic pipe (1) and the second plastic pipe (2) by more than 4mm, the side wall of the hoop (3) is provided with an adjusting gap axially penetrating through the hoop (3), two sides of the adjusting gap are provided with connecting plates (5), and an adjusting space (8) is arranged between the two connecting plates (5) and is connected with each other through an adjusting bolt (6); the sealing gasket (4) is positioned on the inner wall of the hoop (3), and the inner diameter of the sealing gasket (4) in a natural state is smaller than the outer diameters of the first plastic pipe (1) and the second plastic pipe (2) by more than 2 mm; the ports of the first plastic pipe (1) and the second plastic pipe (2) extend into the sealing gasket (4) from the two ends of the hoop (3) respectively.

2. A plastic pipe connection according to claim 1, wherein: the external diameter of first plastic tubing (1) and second plastic tubing (2) is greater than 200mm, sealed pad (4) covers the inner wall of staple bolt (3).

3. A plastic pipe connection according to claim 1, wherein: the external diameter of first plastic tubing (1) and second plastic tubing (2) is less than or equal to 200mm, the inner wall of staple bolt (3) is provided with the constant head tank, sealed pad (4) are located the constant head tank.

4. A plastic pipe connection according to claim 3, wherein: the middle part of constant head tank is provided with annular isolation boss (7), respectively set up a sealed pad (4) in the constant head tank of isolation boss (7) both sides, first plastic tubing (1) and second plastic tubing (2) stretch into respectively and keep apart in sealed pad (4) of boss (7) both sides.

5. A plastic pipe connection according to claim 1, wherein: the inner diameter of the hoop (3) in a natural state is larger than the outer diameters of the first plastic pipe (1) and the second plastic pipe (2) by 6 mm.

6. A plastic pipe connection according to claim 1, wherein: the inner diameter of the sealing gasket (4) is smaller than the outer diameter of the first plastic pipe (1) and the second plastic pipe (2) by 3mm in a natural state.

7. A plastic pipe connection according to claim 1, wherein: connecting plate (5) are connected with curved mounting panel (9), mounting panel (9) are L shape with connecting plate (5), and the outer wall fixed connection of mounting panel (9) and staple bolt (3).

8. A plastic pipe connection according to claim 7, wherein: the mounting plate (9) is riveted with the outer wall of the hoop (3).

9. A plastic pipe connection according to claim 1, wherein: the lengths of the first plastic pipe (1) and the second plastic pipe (2) extending into the sealing gasket (4) are the same.