TWM659273U - Pipeline docking leak-proof assembly device - Google Patents

Abstract

A pipe joint leak-proof assembly device includes a first pipe made of plastic material, a first flange head, and a first flange and a second flange made of metal material. The second pipe can be a plastic pipe body or a metal pipe body. The first pipe is connected to the first flange head, and the first flange is hinged on the first pipe. The first head of the first flange head is connected to the second pipe. The first flange and the second flange are fixed with locking bolts, so that the first flange and the second flange are clamped against the first flange head, and the first head of the first flange head and the second flange or the second flange head are clamped against the O-ring to improve the PE pipe joint leak-proof assembly effect, and it is more durable, can avoid leakage of pipeline fluid, and ensure the safety of the pipeline system.

Description

Pipeline docking leak-proof assembly device

This creation is related to the field of fluid pipeline technology, especially a pipeline docking and leak-proof assembly device.

According to the report, general polyethylene (PE) pipes are mainly used in water pipes, sewage pipes and gas pipes, and polyethylene pipes are pollution-free and more durable.

During the current process of butt-joining polyethylene pipes, the open ends of the two PE pipes are pre-connected with PE flanges, and metal flanges are installed around the outer periphery of the PE pipes. When the two PE pipes are butt-joined, a gasket is first placed between the surfaces of the two PE flanges, and then a plurality of bolts are inserted through the corresponding fixing holes of the two metal flanges, and the bolts are fixed with nuts, so that the surfaces of the two PE flanges are clamped against the contact gasket to prevent fluid from leaking out from the butt joint of the pipes.

However, when two PE pipes are connected, the gasket is prone to displacement, which affects the tightness and leak-proofing effect of the two PE flanges and the gasket. The gasket is also easily damaged and must be repaired and replaced in a timely manner, which consumes manpower, material resources and working hours, and affects the safety of the pipeline system. Therefore, how to solve the above problems is a topic that the relevant industry players are eager to study.

The main purpose of this invention is that the first pipe and the first flange are made of plastic material, and the second pipe can be a plastic pipe body or a metal pipe body. The first flange and the second flange are fixed with bolts, and the first flange and the second flange or the second flange are clamped against the O-ring to improve the anti-leakage combination effect of the pipeline connection, and it is more durable, which can prevent leakage of pipeline fluid and ensure the safety of the pipeline system.

To achieve the above-mentioned purpose, the invention discloses a pipe joint leak-proof assembly device, comprising a first pipe jointed to connect to a second pipe, wherein the first pipe comprises a first pipe joint made of plastic material, a first flange head and a first flange made of metal material, wherein: the opening end of the first pipe joint is jointed to connect to the first flange head, the first flange head has a first head portion extending radially outward, and an O-ring is arranged on the surface of the first head portion; a circular hole is arranged in the center of the first flange and is pivoted on the first pipe joint, and the first flange is against the first head portion, and a plurality of first fixing holes are arranged circumferentially and spaced apart from each other near the outer periphery of the first flange, and each first fixing hole has a plurality of first fixing holes ... each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each first fixing hole has a plurality of first fixing holes, each The radial position exceeds the outer edge of the first head; the second pipeline includes a second connecting pipe and a second flange made of metal material, and the second flange is circumferentially spaced and penetrated with a plurality of second fixing holes; thereby, the first head of the first flange head is connected to the second pipeline, and the first flange is rotated so that each first fixing hole corresponds to each second fixing hole of the second flange, and a plurality of bolts are passed through the corresponding first fixing holes and second fixing holes, and then the bolts are fixed with nuts, so that the first flange and the second flange are clamped against the first flange head, and the first head of the first flange head and the second pipeline are clamped against the O-ring.

The aforementioned pipeline docking anti-leakage assembly device, wherein the first head surface of the first flange is provided with an annular groove, and an O-ring is arranged in the annular groove.

The aforementioned pipeline docking anti-leakage assembly device, wherein the first head is set to be circular, and the surface of the first flange is provided with a concave annular surface against the outer edge of the first head.

The aforementioned pipeline docking anti-leakage assembly device, wherein the second connecting pipe is a plastic pipe body, the opening end of the second connecting pipe is connected to a second flange head made of plastic material, the second flange head has a second head portion extending radially outward, a circular hole pivoted on the second connecting pipe is arranged in the center of the second flange, the second flange is against the second head portion, and the radial position of each second fixing hole exceeds the outer edge of the second head portion; the first head portion of the first flange head corresponds to the second head portion of the second flange head, and the first flange and the second flange are correspondingly clamped against the first flange head and the second flange head for docking and fixing, so that the first head portion of the first flange head and the second head portion of the second flange head are correspondingly clamped against the O-ring.

The aforementioned pipeline docking anti-leakage assembly device, wherein the second head is set to be circular, and the second flange surface is provided with a concave annular surface against the outer edge of the second head.

The aforementioned pipeline docking anti-leakage assembly device, wherein the second connecting pipe is a metal pipe body, the opening end of the second connecting pipe is connected and fixed to the second flange, and the first head of the first flange head and the second flange of the second pipeline are clamped against the O-ring for a tight fit.

1: First pipeline

11: First takeover

12: First flange

13: First head

14: Annular groove

2: Second pipeline

21: Second takeover

22: Second flange

23: Second head

3: First flange

31: Round hole

32: First fixing hole

33: Concave ring surface

4: Second flange

41: Round hole

42: Second fixing hole

43: Concave ring surface

5: O-ring

6: Bolts

61: Nut

62: Gasket

7: Second pipeline

71: Second takeover

72: Second Franchise

73: Second fixing hole

The first picture is a three-dimensional picture of the pipeline docking anti-leakage assembly device of the first embodiment of this creation.

The second figure is a cross-sectional view of the pipeline docking anti-leakage assembly device of the first embodiment of this invention.

The third figure is a three-dimensional exploded view of the pipeline docking and leak-proof assembly device of the first embodiment of this invention.

The fourth figure is a dissected view of the pipeline docking anti-leakage assembly device of the first embodiment of this invention.

The fifth figure is a three-dimensional exploded view of the second flange head and the second flange bottom side of the first embodiment of the pipeline docking anti-leakage assembly device of this invention.

The sixth figure is a three-dimensional diagram of the first flange head and the first flange of the pipeline docking anti-leakage assembly device of the first embodiment of this invention.

Figure 7 is a three-dimensional cross-sectional view of the first flange head, O-ring and first flange of the first embodiment of the pipeline connection leak-proof assembly device of this invention.

The eighth figure is a three-dimensional diagram of the pipeline docking and leak-proof assembly device of the second embodiment of this invention.

Figure 9 is a cross-sectional view of the pipeline docking and leak-proof assembly device of the second embodiment of this invention.

The tenth figure is a three-dimensional exploded view of the pipeline docking and leak-proof assembly device of the second embodiment of this invention.

Figure 11 is an exploded anatomical view of the pipeline docking anti-leakage assembly device of the second embodiment of this invention.

Regarding the technical means and effects adopted by this creation to achieve the above-mentioned purpose, feasible implementation examples are given and illustrated with diagrams as follows:

First, please refer to the first embodiment shown in Figures 1 to 7. It can be clearly seen from the figures that the PE pipes of this invention are mainly used for water pipes, sewage pipes and gas pipes.

The invented PE pipe joint leak-proof assembly device is used to connect the first pipe 1 to the second pipe 2. The first pipe 1 and the second pipe 2 include a first pipe 11, a second pipe 21, a first flange 12, a second flange 22 made of plastic or PE material, and a first flange 3 and a second flange 4 made of metal material, wherein:

The first connecting pipe 11 of the first pipeline 1 is a plastic pipe body, and its open end is connected to the first flange 12. The first flange 12 has a first head 13 extending outward in a circular radial direction. The surface of the first head 13 is provided with an annular groove 14, and an O-ring 5 is provided in the annular groove 14.

The second connecting pipe 21 of the second pipeline 2 is a plastic pipe body, and its open end is connected to the second flange 22, and the second flange 22 has a second head 23 extending outward in a circular radial direction.

The first flange 3 is provided with a circular hole 31 pivoted on the first pipe 11 in the center, the first flange 3 is against the first head 13, and the surface of the first flange 3 is provided with a concave annular surface 33 against the outer edge of the first head 13 to form a positioning structure. The first flange 3 is provided with a plurality of first fixing holes 32 at intervals near the periphery, and the radial position of each first fixing hole 32 exceeds the outer edge of the first head 13.

The second flange 4 is provided with a circular hole 41 pivoted on the second pipe 21 in the center, the second flange 4 is against the second head 23, and the surface of the second flange 4 is provided with a concave annular surface 43 against the outer edge of the second head 23 to form a positioning structure. The second flange 4 is provided with a plurality of second fixing holes 42 at intervals near the periphery, and the radial position of each second fixing hole 42 exceeds the outer edge of the second head 23.

By doing so, the first head 13 of the first flange 12 of the first connecting pipe 11 is connected to the second head 23 of the second flange 22 of the second connecting pipe 21, and the first flange 3 or the second flange 4 is rotated to make each first fixing hole 32 correspond to each second fixing hole 42, and the majority of bolts 6 are passed through the corresponding first fixing holes 32 and second fixing holes 42, and then the nuts 61 and washers 62 are used to lock the bolts 6 and fix them, so that the first flange 3 and the second flange 4 are clamped against the first flange 12 and the second flange 22 for docking and fixing, and the first head 13 of the first flange 12 and the second head 23 of the second flange 22 are clamped against the tight O-ring 5, so as to improve the anti-leakage combination effect of the PE pipe docking, and make it more durable, which can prevent leakage of the pipe fluid and ensure the safety of the pipe system.

Please refer to the second embodiment shown in Figures 8 to 11. The main difference between the second embodiment and the first embodiment of the present invention is that the second connecting pipe 71 of the second pipeline 7 is a metal pipe body, and the opening end of the second connecting pipe 71 is integrally connected to the second flange 72. The first head 13 of the first flange head 12 is connected to the second connecting pipe 71, and the first flange 3 is rotated so that each first fixing hole 32 corresponds to each second fixing hole 73 of the second flange 72. The bolts 6 are passed through the corresponding first fixing holes 32 and second fixing holes 73, and then the bolts 6 are locked with the nuts 61 to fix them, so that the first flange 3 and the second flange 72 are clamped against the first flange head 12, and the first head 13 of the first flange head 12 and the surface of the second flange 72 are clamped against the O-ring 5 to improve the anti-leakage combination effect of the PE pipe connection, and it is more durable, which can prevent leakage of the pipe fluid and ensure the safety of the pipe system.

The above examples are only used to facilitate the description of this creation, and are not intended to be limiting. Without departing from the spirit of this creation, various simple changes and modifications that can be made by skilled people in this industry should still be included in the scope of the following patent application.

12: First flange

13: First head

14: Annular groove

22: Second flange

23: Second head

3: First flange

31: Round hole

32: First fixing hole

33: Concave ring surface

4: Second flange

41: Round hole

42: Second fixing hole

5: O-ring

6: Bolts

61: Nut

62: Gasket

Claims (6)

A pipeline docking and leak-proof assembly device includes a first pipeline docking and connecting to a second pipeline, the first pipeline includes a first connecting pipe made of plastic material, a first flange head and a first flange made of metal material, wherein: The opening end of the first pipe is connected to the first flange head, and the first flange head has a first head portion extending radially outward, and an O-ring is provided on the surface of the first head portion; A circular hole pivoted on the first connecting pipe is provided in the center of the first flange, and the first flange abuts against the first head. A plurality of first fixing holes are provided at intervals around the periphery of the first flange, and the radial position of each first fixing hole exceeds the outer edge of the first head; The second pipeline includes a second connecting pipe and a second flange made of metal material, and the second flange is provided with a plurality of second fixing holes spaced apart and circumferentially penetrating the second flange near the periphery; By doing so, the first head of the first flange head is connected to the second pipeline, and the first flange is rotated so that each first fixing hole corresponds to each second fixing hole of the second flange, and a plurality of bolts are passed through the corresponding first fixing holes and second fixing holes, and then the bolts are fixed with nuts, so that the first flange and the second flange are clamped against the first flange head, and the first head of the first flange head and the second pipeline are clamped against the O-ring. As described in item 1 of the patent application scope, the pipeline joint leak-proof assembly device, wherein the first head surface of the first flange is provided with an annular groove, and an O-ring is arranged in the annular groove. As described in item 2 of the patent application scope, the pipeline docking anti-leakage assembly device, wherein the first head is set to be circular, and the first flange surface is provided with a concave annular surface against the outer edge of the first head. As described in the first item of the patent application scope, the pipeline docking anti-leakage assembly device, wherein the second pipe is a plastic pipe body, the second pipe opening end is connected to a second flange head made of plastic material, the second flange head has a second head portion extending radially outward, a circular hole pivoted on the second pipe is provided in the center of the second flange, the second flange abuts against the second head portion, and the radial position of each second fixing hole exceeds the outer edge of the second head portion; the first head portion of the first flange head corresponds to the second head portion of the second flange head, and the first flange and the second flange are correspondingly clamped against the first flange head and the second flange head for docking and fixing, so that the first head portion of the first flange head and the second head portion of the second flange head are correspondingly clamped against the O-ring. As described in item 4 of the patent application scope, the pipeline docking anti-leakage assembly device, wherein the second head is set to be circular, and the second flange surface is provided with a concave annular surface against the outer edge of the second head. As described in item 1 of the patent application scope, the pipe joint leak-proof assembly device, wherein the second pipe joint is a metal pipe body, the opening end of the second pipe joint is connected and fixed to the second flange, and the first head of the first flange head and the second flange of the second pipe are clamped and tightly fitted with an O-ring.

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