Composite PE winding pipe

Abstract

The utility model discloses a composite type PE winding pipe, and relates to the technical field of PE winding pipes, the composite type PE winding pipe comprises a pipe main body, one side of the pipe main body is connected with a flange plate in a gluing manner, the other side of the pipe main body is provided with an inner sleeve, and the outer side of the inner sleeve is provided with an inner connecting mechanism; the internal connecting mechanism is connected with the interior of the pipe body through an arranged connecting assembly and connected with the inner wall of the other set of pipe body, the external connecting mechanism is arranged on the outer side of the flange plate, and the external connecting mechanism conducts limiting wrapping on the flange plate and bolts at the connecting position. And the bolt is prevented from being rusted and damaged by external rainwater and other corrosives. The inner sleeve arranged on one side of the pipe body is connected with the other set of pipe fittings, the contact area of the pipe body in the connecting process is increased through the protruding block strips, the butt joint and locking efficiency of the pipe body and the other set of pipe fittings is improved, and the strength of the joint of the pipe body is improved through the inner sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of PE winding pipes, in particular to a composite PE winding pipe. Background Art

[0002] PE water pipes are an alternative to traditional steel pipes and polyvinyl chloride drinking water pipes. Their resistance to wear, acid and corrosion, high temperatures, and high pressures has gradually replaced traditional pipes like steel and cement pipes in the market. Their light weight and ease of installation and movement make them a top choice for new materials.

[0003] At present, the traditional PE water supply pipe has low strength and poor toughness. The main way to connect the pipes is to heat the ends of the two pipes to a molten state and then butt them together. However, during long-term use, the connection will cause leakage due to changes in water pressure. In addition, the connection structure of the pipe fittings is too simple. During use, it will cause a lot of time and labor intensity to be consumed in the process of butt connection of the pipe fittings. In addition, the liquid will rust the bolts and nuts at the flange connection of the pipe fittings, affecting the difficulty of disassembling the wound pipe in the later stage. Summary of the Invention

[0004] The purpose of the present invention is to provide a composite PE winding pipe to solve the above-mentioned defects caused by the prior art.

[0005] The composite PE winding pipe includes a pipe body, a flange is glued to one side of the pipe body, an inner sleeve is provided on the other side of the pipe body, an internal connection mechanism is provided on the outside of the inner sleeve, the internal connection mechanism is connected to the inside of the pipe body through a set connection component, and is connected to the inner wall of another group of pipe bodies, an external connection mechanism is provided on the outside of the flange, and the external connection mechanism limits and wraps the flange and the bolts at the connection to prevent external rainwater and other corrosive substances from causing rust damage to the bolts.

[0006] Preferably, the external connection mechanism includes a flange, an internal threaded hole, a bolt sleeve, a nut and a packing hole. The external side of the flange is annularly distributed with internal threaded holes, a bolt sleeve is provided on the other side of the internal threaded hole, a nut is provided inside the bolt sleeve, and a packing hole is opened through the tail end of the bolt sleeve.

[0007] Preferably, the flange is connected to the bolt sleeve via an internal threaded hole provided therethrough.

[0008] Preferably, the internal connection mechanism includes an inner sleeve, a protrusion strip, an annular rubber pad, a fastener, a fastening hole, and an inner groove. The outer side of the inner sleeve is symmetrically distributed with protrusion strips, the outer side of the inner sleeve is connected with an annular rubber pad, the outer side of the tube body is annularly distributed with fasteners, the outer side of the protrusion strip is symmetrically provided with fastening holes, and the inner end of the tube body is annularly provided with an inner groove.

[0009] Preferably, the tube body is connected to the outer side of the protrusion strip via an inner groove provided at the inner end.

[0010] Preferably, the protrusion strip is connected to the outer side of the fastener through a fastening hole opened on the outer side.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The inner sleeve provided on one side of the pipe body is used to connect with another set of pipe fittings, and the contact area during the connection of the pipe body is increased by the convex strip, thereby improving the efficiency of docking and locking between the pipe body and another set of pipe fittings. The inner sleeve is used to increase the strength of the pipe body connection to avoid breakage or even leakage at the pipe fitting connection caused by changes in water pressure.

[0013] 2. The bolt sleeve and the bolt fastener are tightly fitted and effectively sealed with an elastic sealing ring to prevent rust on the bolt connection caused by rain and other factors. The lubricating oil is directly injected into the inside of the bolt sleeve through the packing hole to seal the gap between the bolt sleeve and the bolt. It can also ensure that the threaded nut is protected by anti-rust oil during the tightening process, thus avoiding rust and rusting, ensuring service life, and facilitating subsequent maintenance, disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the top view of the tube body in the present invention.

[0016] Figure 3 This is a schematic diagram of the front cross-sectional structure of the pipe body in the present utility model.

[0017] Figure 4 This is a schematic diagram of the top-sectional structure of the flange in the present invention.

[0018] in:

[0019] 1. Pipe body; 2. Flange; 3. Inner sleeve; 4. Bump strip; 5. External connection mechanism; 6. Internal connection mechanism; 7. Annular rubber gasket; 8. Fastener; 9. Fastening hole; 10. Inner slot; 11. Internal threaded hole; 12. Bolt sleeve; 13. Nut; 14. Filling hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figures 1 to 4 As shown, the composite PE winding pipe includes a pipe body 1, a flange 2 is glued to one side of the pipe body 1, an inner sleeve 3 is provided on the other side of the pipe body 1, and an internal connection mechanism 6 is provided on the outside of the inner sleeve 3. The internal connection mechanism 6 is connected to the interior of the pipe body 1 through a set connection component and is connected to the inner wall of another group of pipe bodies 1. An external connection mechanism 5 is provided on the outside of the flange 2. The external connection mechanism 5 limits the flange 2 and the bolts at the connection to prevent external rainwater and other corrosive substances from causing rust damage to the bolts.

[0022] In this embodiment, the external mechanism 5 includes a flange 2, an internal threaded hole 11, a bolt rubber sleeve 12, a nut 13 and a packing hole 14. The internal threaded hole 11 is distributed in an annular manner on the outer side of the flange 2, and a bolt rubber sleeve 12 is provided on the other side of the internal threaded hole 11. A nut 13 is provided inside the bolt rubber sleeve 12, and a packing hole 14 is opened through the tail end of the bolt rubber sleeve 12.

[0023] In this embodiment, the flange 2 is connected to the bolt rubber sleeve 12 through the internal threaded hole 11 provided therethrough, and the bolt rubber sleeve 12 provided on one side of the flange 2 is used to wrap the bolt to prevent liquid corrosion.

[0024] In this embodiment, the internal connection mechanism 6 includes an inner sleeve 3, a protrusion strip 4, an annular rubber pad 7, a fastener 8, a fastening hole 9, and an inner groove 10. The outer side of the inner sleeve 3 is symmetrically distributed with protrusion strips 4, and the outer side of the inner sleeve 3 is connected with an annular rubber pad 7. The outer side of the tube body 1 is annularly distributed with fasteners 8, and the outer side of the protrusion strip 4 is symmetrically provided with fastening holes 9. The inner end of the tube body 1 is annularly provided with an inner groove 10. The outer side of the inner sleeve 3 is positioned by the protrusion strip 4 to prevent the inner sleeve 3 from being offset.

[0025] In this embodiment, the tube body 1 is connected to the outer side of the protruding block strip 4 via an inner groove 10 provided at the inner end, and one side of the inner sleeve 3 is positioned and locked via the inner groove 10 .

[0026] In this embodiment, the protruding block strip 4 is connected to the outer side of the fastener 8 through the fastening hole 9 opened on the outer side, and the inner sleeve 3 and the pipe body 1 are locked by vertically locking the fastener 8.

[0027] The practical application of this composite PE winding pipe includes the following work contents:

[0028] Step 1: During use, first align one side of the pipe body 1 with the inner sleeve 3, and align the protruding strip 4 provided on the outer side of the inner sleeve 3 with the inner groove 10 provided inside the pipe body 1, so that the protruding strip 4 and the inner groove 10 are connected, and the fastener 8 is vertically inserted into the protruding strip 4 and the inner groove 10, thereby completing the connection between the inner sleeve 3 and the pipe body 1. The operator can also align the inner groove 10 provided on the outer side of another group of pipe bodies 1 with the protruding strip 4, thereby completing the docking and locking of the two groups of pipe bodies 1;

[0029] Step 2: The operator heats one side of the flange 2 to fit the inside of the pipe body 1, completing the bonding process between the flange 2 and the pipe body 1. When the flange 2 needs to be connected to another set of steel pipes, the internal threaded hole 11 opened on one side of the flange 2 is connected to the other side of the pipe fitting;

[0030] Step 3: The operator inserts the bolt into the internal threaded hole 11, and uses the bolt to contact the inside of the bolt rubber sleeve 12, and rotates and locks the bolt and nut 13, and injects lubricating oil into the inside of the bolt rubber sleeve 12 through the filling hole 14 opened on one side of the bolt rubber sleeve 12 to fill the gap between the bolt rubber sleeve 12 and the bolt to prevent rainwater from directly entering the inside of the bolt rubber sleeve 12 and causing corrosion of the bolt.

[0031] Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. Composite PE winding pipe, characterized by: The invention comprises a pipe body (1), one side of the pipe body (1) is glued with a flange (2), the other side of the pipe body (1) is provided with an inner sleeve (3), the outer side of the inner sleeve (3) is provided with an internal connection mechanism (6), the internal connection mechanism (6) is connected to the inside of the pipe body (1) through a connection assembly, and is connected to the inner wall of another group of pipe bodies (1), the outer side of the flange (2) is provided with an external connection mechanism (5), the external connection mechanism (5) is used to limit and wrap the flange (2) and the bolts at the connection to prevent the bolts from being corroded and damaged by external rainwater and other corrosive substances.

2. The composite PE wound pipe according to claim 1, characterized in that: The external connection mechanism (5) includes a flange (2), an internal threaded hole (11), a bolt rubber sleeve (12), a nut (13) and a filling hole (14). The internal threaded hole (11) is distributed in an annular manner on the outer side of the flange (2). The bolt rubber sleeve (12) is provided on the other side of the internal threaded hole (11). The nut (13) is provided inside the bolt rubber sleeve (12). The tail end of the bolt rubber sleeve (12) is penetrated by a filling hole (14).

3. The composite PE wound pipe according to claim 2, characterized in that: The flange (2) is connected to the bolt rubber sleeve (12) via an internal threaded hole (11) extending therethrough.

4. The composite PE wound pipe according to claim 1, characterized in that: The internal connection mechanism (6) includes an inner sleeve (3), a convex strip (4), an annular rubber pad (7), a fastener (8), a fastening hole (9), and an inner card slot (10). The outer side of the inner sleeve (3) is symmetrically distributed with the convex strip (4), the outer side of the inner sleeve (3) is connected with an annular rubber pad (7), the outer side of the pipe body (1) is annularly distributed with fasteners (8), the outer side of the convex strip (4) is symmetrically provided with fastening holes (9), and the inner end of the pipe body (1) is annularly provided with an inner card slot (10).

5. The composite PE wound pipe according to claim 4, characterized in that: The tube body (1) is connected to the outer side of the protruding block strip (4) via an inner groove (10) provided at the inner end.

6. The composite PE wound pipe according to claim 4, characterized in that: The protruding block strip (4) is connected to the outer side of the fastener (8) via a fastening hole (9) provided on the outer side.

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