Polyurethane pipeline joint convenient to connect and seal

Abstract

The utility model relates to the technical field of pipe fittings, in particular to a polyurethane pipeline joint convenient to connect and seal, which is mounted between two groups of polyurethane pipelines and comprises two sleeves, the sleeves are sleeved at the ends of the polyurethane pipelines, hoop plates are sleeved on the upper sides and the lower sides of the two sleeves, two sides of each hoop plate are respectively covered on the two sleeves, and the two sleeves are sleeved on the hoop plates. A screw sleeve is fixed to the surface of the sleeve and penetrates through the hoop plate, a nut is in threaded connection with a rod body of the screw sleeve in a sleeving mode, a long-handle screw is in threaded connection with one end of the screw sleeve, and one end of the long-handle screw penetrates through the screw sleeve and the sleeve and then is in threaded connection with the surface of the polyurethane pipeline. The heat preservation device has the beneficial effects that the hoop plate covers the two sleeves, and the heat preservation plate on the inner side of the hoop plate covers the joint of the two polyurethane pipelines, so that primary sealing and heat preservation are formed. Meanwhile, the screw sleeve, the nut and the long-handle screw are combined, the sleeve and the inner pipe are tightly connected, and the sealing performance of the connecting position is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pipe fitting, specifically to a polyurethane pipeline joint convenient to connect and seal. BACKGROUND

[0002] In the practical application of polyurethane pipeline system, the connection and sealing between pipelines are crucial, directly related to whether the whole pipeline system can operate stably and efficiently. The traditional polyurethane pipeline connection mode has many drawbacks, which seriously affects the performance and service life of the pipeline system.

[0003] Many traditional connection modes cannot guarantee the absolute sealing of the pipeline connection, and in the long-term use process, medium leakage phenomenon is easy to occur. This not only causes waste of resources, but also may pollute the surrounding environment, especially when conveying some corrosive, toxic or flammable and explosive medium, leakage problem is more likely to cause serious safety accidents, threatening the safety of personnel life and property. The traditional connection mode is complex to operate, which needs professional tools and skilled technicians, and the installation time is long, the efficiency is low. This not only increases the construction cost, but also may delay the engineering progress, and brings unnecessary loss to the project. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a polyurethane pipeline joint convenient to connect and seal to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a polyurethane pipeline joint convenient to connect and seal is installed between two groups of polyurethane pipelines, which comprises two sleeves, the sleeves are sleeved on the end of the polyurethane pipeline, the upper and lower sides of the two sleeves are sleeved with a hoop plate, the two sides of the hoop plate are covered on the two sleeves, the surface of the sleeve is fixed with a silk sleeve, the silk sleeve penetrates the hoop plate, the rod body of the silk sleeve is sleeved with a nut, one end of the silk sleeve is screwed with a long handle screw rod, one end of the long handle screw rod penetrates the silk sleeve and the sleeve and is screwed on the surface of the polyurethane pipeline.

[0006] Preferably, the polyurethane pipeline comprises an inner tube, a heat preservation tube sleeved on the outer side of the inner tube, and a protective layer sleeved on the outer side of the heat preservation tube, the tube length of the heat preservation tube and the protective layer is equal, the tube length of the inner tube is greater than the tube length of the heat preservation tube, and the sleeve is sleeved on the inner tube.

[0007] Preferably, one end of the sleeve is provided with an embedded groove on the inner ring surface, the embedded groove is fixed with a heat preservation sleeve inside, the other end of the sleeve is provided with a splicing groove on the outer ring surface, the splicing groove is an annular groove, one side of the hoop plate is sleeved in the splicing groove, and the outer diameter of the hoop plate is equal to the outer diameter of the polyurethane pipeline.

[0008] Preferably, the hoop plate has a semi-circular ring structure, and an insulation board is fixed to the inner ring surface of the hoop plate. The insulation board has a semi-circular ring structure and covers the weld joint of the two sleeves.

[0009] Preferably, the outer ring surface of the hoop plate has two reserved holes, which are T-shaped round holes. A threaded sleeve passes through the reserved holes, and the length of the threaded sleeve is equal to the depth of the reserved holes.

[0010] Preferably, the surface of the threaded sleeve is provided with a threaded hole, which extends through the sleeve, and a long-shank screw is screwed into the threaded hole.

[0011] Preferably, rubber guard plates are fixed on both sides of the hoop plate. The rubber guard plates are semi-circular ring plates, and the outer diameter of the rubber guard plates is equal to the outer diameter of the polyurethane pipe.

[0012] Preferably, both ends of the hoop are fixed with connecting plates, and the two connecting plates at the ends of the two hoops are connected by bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model proposes a polyurethane pipe joint that facilitates connection and sealing. A clamp plate covers two sleeves, and an insulation board inside the clamp plate covers the connection point of the two polyurethane pipes, forming a preliminary seal and insulation. Simultaneously, a combination of threaded sleeves, nuts, and long-shank bolts tightly connects the sleeves to the inner pipes, further enhancing the sealing performance. This multi-layered sealing structure effectively prevents media leakage, improves the safety and reliability of the pipeline system, and reduces the risk of resource waste and environmental pollution caused by leaks. Simply pre-install the two sleeves onto one end of the inner pipe of each of the two polyurethane pipes, align and weld the inner pipes, then fasten the clamp plate to both sides of the sleeves, and finally secure them with nuts, long-shank bolts, and bolts. The entire installation process is simple, requiring no complex tools or professional skills, greatly shortening installation time, improving construction efficiency, and reducing construction costs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 for Figure 2 Sectional view of the structure at point AA;

[0018] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0019] Figure 5 for Figure 4Structure schematic view of the sleeve and the hoop plate connection structure is shown in the figure.

[0020] Figure 6 Structure schematic view of the sleeve and the hoop plate connection structure is shown in the figure.

[0021] In the figure: sleeve 1, polyurethane pipeline 2, heat preservation sleeve 3, assembling groove 4, hoop plate 5, reserved hole 6, silk sleeve 7, nut 8, screw hole 9, long handle screw rod 10, heat preservation plate 11, rubber guard plate 12, connecting plate 13, bolt 14. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the utility model embodiments, and not for limiting the utility model embodiments, all other embodiments obtained by the ordinary skill in the art without doing creative work, belong to the scope of the utility model protection.

[0023] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of polyurethane pipeline joint of convenient connection sealing, it is installed between two groups of polyurethane pipeline 2, including two sleeves 1, sleeve 1 is set in the end of polyurethane pipeline 2, polyurethane pipeline 2 includes inner tube, heat preservation tube set in the outer side of inner tube and protective layer set in the outer side of heat preservation tube, the tube length of heat preservation tube and protective layer is equal, the tube length of inner tube is greater than the tube length of heat preservation tube, sleeve 1 is set on inner tube;Two sleeves 1 are both set with hoop plate 5 on upper and lower sides, the two sides of hoop plate 5 are covered on two sleeves 1 respectively, one end of sleeve 1 is provided with embedding groove in inner ring face, embedding groove is fixed with heat preservation sleeve 3 inside, the other end of sleeve 1 is provided with assembling groove 4 in outer ring face, assembling groove 4 is annular groove, one side of hoop plate 5 is set in assembling groove 4, the outer diameter of hoop plate 5 is equal to the outer diameter of polyurethane pipeline 2, the two sides of hoop plate 5 are both fixed with rubber guard plate 12, rubber guard plate 12 is semicircular ring plate, the outer diameter of rubber guard plate 12 is equal to the outer diameter of polyurethane pipeline 2.

[0024] Two sleeves 1 are set in the inner tube one end of two polyurethane pipeline 2 respectively in advance, then the inner tube of two polyurethane pipeline 2 is welded together after being aligned, then two hoop plates 5 are buckled on the two sides of two sleeves 1, at this time, the heat preservation plate 11 inside hoop plate 5 covers the connection of two polyurethane pipeline 2.

[0025] The surface of the sleeve 1 is fixed with a wire sleeve 7, the wire sleeve 7 penetrates the hoop plate 5, the stem of the wire sleeve 7 is sleeved with a nut 8, one end of the wire sleeve 7 is screwed with a long handle screw 10, one end of the long handle screw 10 penetrates the wire sleeve 7 and the sleeve 1 and is screwed on the surface of the polyurethane pipeline 2; the hoop plate 5 is a semi-circular ring plate structure, the inner ring surface of the hoop plate 5 is fixed with a heat preservation plate 11, the heat preservation plate 11 is a semi-circular ring plate structure, and the heat preservation plate 11 covers the welding position of the two sleeves 1; the outer ring surface of the hoop plate 5 is provided with two reserved holes 6, the reserved holes 6 are "T" shaped round holes, the wire sleeve 7 penetrates the reserved holes 6, and the length of the wire sleeve 7 is equal to the depth of the reserved holes 6; the surface of the wire sleeve 7 is provided with a threaded hole 9, the threaded hole 9 extends and penetrates the sleeve 1, and the long handle screw 10 is screwed in the threaded hole 9; the two ends of the hoop plate 5 are fixed with connecting plates 13, and the two connecting plates 13 at the two ends of the two hoop plates 5 are connected through bolts 14.

[0026] When the hoop plate 5 is buckled on the sleeve 1, the wire sleeve 7 penetrates the reserved hole 6, and the nut 8 is sleeved and screwed on the wire sleeve 7 to lock, at this time, the hoop plate 5 is fixed on the sleeve 1, then the long handle screw 10 penetrates the wire sleeve 7 and the sleeve 1 and is screwed on the outer wall of the inner tube, the sleeve 1 and the inner tube are connected, finally, the connecting plates 13 at the two ends of the two hoop plates 5 are connected through the bolts 14, and the sealing protection of the two polyurethane pipelines 2 connected can be realized.

[0027] The method for using the polyurethane pipeline joint convenient to connect and seal comprises the following steps: respectively sleeving two sleeve pipes 1 on one end of inner pipes of two polyurethane pipelines 2. Since the polyurethane pipeline 2 comprises the inner pipe, the heat preservation pipe sleeved outside the inner pipe, and the protective layer sleeved outside the heat preservation pipe, and the pipe length of the heat preservation pipe and the protective layer is equal, and the pipe length of the inner pipe is greater than the pipe length of the heat preservation pipe, the sleeve pipe 1 should be sleeved on the inner pipe. The inner pipes of the two polyurethane pipelines 2 are aligned, and the butt joint parts are tightly attached. The inner pipes of the two polyurethane pipelines 2 are welded together by using a suitable welding process, the welding quality is ensured, the welding part should be flat and firm, and there are no defects such as pores and slag inclusions. Two hoop plates 5 are buckled on two sides of the two sleeve pipes 1. The hoop plate 5 is in a semicircular ring plate structure, the two sides of the hoop plate 5 are covered on the two sleeve pipes 1, the outer diameter of the hoop plate 5 is equal to the outer diameter of the polyurethane pipeline 2, and the rubber guard plates 12 (in a semicircular ring plate structure, the outer diameter is equal to the outer diameter of the polyurethane pipeline 2) fixed on the two sides of the hoop plate 5 should be attached to the surface of the polyurethane pipeline 2. At this time, the heat preservation plates 11 (in a semicircular ring plate structure) on the inner sides of the hoop plates 5 cover the connection parts of the two polyurethane pipelines 2, and play a preliminary heat preservation role. The outer ring surface of the hoop plate 5 is provided with two reserved holes 6 of "T" shaped circular holes, the wire sleeve 7 (already fixed on the surface of the sleeve pipe 1) penetrates the reserved hole 6, and the rod length of the wire sleeve 7 is equal to the depth of the reserved hole 6. The nut 8 is sleeved on the wire sleeve 7 and is screwed and locked, so that the hoop plate 5 is preliminarily fixed on the sleeve pipe 1. The surface of the wire sleeve 7 is provided with a threaded hole 9, the threaded hole 9 extends and penetrates the sleeve pipe 1. The long handle screw rod 10 is screwed on the outer wall of the inner pipe after penetrating the wire sleeve 7 and the sleeve pipe 1, the reliable connection of the sleeve pipe 1 and the inner pipe is realized, and the overall stability of the joint is further enhanced. The two ends of the hoop plate 5 are fixed with the connecting plates 13, the two connecting plates 13 at the ends of the two hoop plates 5 are aligned, the bolts 14 pass through the corresponding hole positions on the connecting plates 13 and are tightened, the splicing of the two hoop plates 5 is realized, and the sealing protection of the connection of the two polyurethane pipelines 2 is completed.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A polyurethane pipe joint for easy connection and sealing, installed between two sets of polyurethane pipes (2), comprising two sleeves (1), the sleeves (1) being fitted onto the ends of the polyurethane pipes (2), characterized in that: Two sleeves (1) are fitted with hoop plates (5) on both the upper and lower sides. The two sides of the hoop plates (5) cover the two sleeves (1) respectively. A threaded sleeve (7) is fixed on the surface of the sleeve (1). The threaded sleeve (7) passes through the hoop plate (5). A nut (8) is screwed onto the rod of the threaded sleeve (7). A long-shank screw (10) is screwed onto one end of the threaded sleeve (7). One end of the long-shank screw (10) passes through the threaded sleeve (7) and the sleeve (1) and is screwed onto the surface of the polyurethane pipe (2).

2. The polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: The polyurethane pipe (2) includes an inner pipe, an insulation pipe sleeved on the outside of the inner pipe, and a protective layer sleeved on the outside of the insulation pipe. The insulation pipe and the protective layer are of equal length, the inner pipe is longer than the insulation pipe, and the sleeve (1) is sleeved on the inner pipe.

3. The polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: One end of the sleeve (1) has an insert groove on the inner annular surface, and an insulation sleeve (3) is fixed inside the insert groove. The other end of the sleeve (1) has an assembly groove (4) on the outer annular surface. The assembly groove (4) is an annular groove. One side of the hoop (5) is fitted in the assembly groove (4), and the outer diameter of the hoop (5) is equal to the outer diameter of the polyurethane pipe (2).

4. A polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: The hoop (5) has a semi-circular ring structure, and an insulation board (11) is fixed on the inner ring surface of the hoop (5). The insulation board (11) has a semi-circular ring structure and covers the welding joint of the two sleeves (1).

5. A polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: The outer ring surface of the hoop (5) has two reserved holes (6), which are T-shaped round holes. The threaded sleeve (7) passes through the reserved holes (6), and the length of the threaded sleeve (7) is equal to the depth of the reserved holes (6).

6. A polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: The surface of the threaded sleeve (7) is provided with a screw hole (9), which extends through the sleeve (1) and the long shank screw (10) is screwed into the screw hole (9).

7. A polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: Rubber guard plates (12) are fixed on both sides of the hoop (5). The rubber guard plate (12) is a semi-circular ring plate, and the outer diameter of the rubber guard plate (12) is equal to the outer diameter of the polyurethane pipe (2).

8. A polyurethane pipe joint for easy connection and sealing according to claim 1, characterized in that: Both ends of the hoop (5) are fixed with connecting plates (13), and the two connecting plates (13) at the ends of the two hoop (5) are connected by bolts (14).

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