Energy-saving high-density polyurethane thermal insulation pipe

Abstract

The utility model discloses an energy-saving high-density polyurethane thermal insulation pipe, relates to the technical field of polyurethane thermal insulation pipe structures, and aims to solve the problems that a polyurethane thermal insulation pipe in the prior art is relatively simple in splicing structure and relatively poor in sealing performance during connection, so that the thermal insulation performance of the polyurethane thermal insulation pipe is easily reduced during use. First connecting threads are arranged on the two sides of the surface of the pipe body, an inserting opening is formed in the end face of one side of the pipe body, and a connecting opening is formed in the end face of the other side of the pipe body; the connecting mechanism is arranged on the first connecting thread, a first connecting pipe is arranged on the connecting mechanism, a second connecting pipe is arranged on one side of the first connecting pipe, and a second connecting thread is arranged on the inner wall of the second connecting pipe; and the supporting mechanism is arranged on the pipe body, supporting rings are arranged on the supporting mechanism, the number of the supporting rings is two, and fixing plates are arranged on the front end faces and the rear end faces of the two supporting rings correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane thermal insulation pipe structures, in particular to an energy-saving high-density polyurethane thermal insulation pipe. Background Art

[0002] Polyurethane insulated pipes are made of working steel pipes for conveying medium, polyurethane insulation layer, and polyethylene plastic outer protective pipe, which are combined outward in sequence through equipment. Insulated pipes are widely used in liquid and gas transportation pipelines, chemical pipelines, insulation projects, petroleum, central heating networks, central air conditioning ventilation ducts, municipal engineering, etc.

[0003] For example, the Chinese authorized patent with announcement number CN213575999U (high temperature resistant polyurethane thermal insulation pipe): comprises a working pipe, the outer side of the working pipe is sequentially connected with a curved thermal insulation elastic tube, a thermal insulation layer, a polyurethane thermal insulation layer and a protective outer tube, both sides of the thermal insulation elastic tube are filled with high temperature resistant rubber, an adhesive layer is provided between the thermal insulation elastic tube and the thermal insulation layer, a bracket is provided inside the polyurethane thermal insulation layer, a high temperature resistant layer is provided between the polyurethane thermal insulation layer and the protective outer tube, a waterproof layer is provided on the outer side of the protective outer tube, an anti-corrosion coating is provided on the inner wall of the working pipe, and the thermal insulation layer is filled with aerogel composite material. The high temperature resistant polyurethane thermal insulation pipe with the above structure has good high temperature resistance and excellent pressure resistance and waterproof effects.

[0004] However, the polyurethane thermal insulation pipe in the above-mentioned prior art has a relatively simple splicing structure and poor sealing when connected, which easily reduces its thermal insulation performance during use; therefore, it does not meet the existing needs. We have proposed an energy-saving high-density polyurethane thermal insulation pipe. Utility Model Content

[0005] The purpose of the utility model is to provide an energy-saving high-density polyurethane thermal insulation pipe to solve the problem that the polyurethane thermal insulation pipe in the prior art mentioned in the above background technology is relatively simple in splicing structure and has poor sealing when connected, which easily reduces its thermal insulation performance when used. To achieve the above purpose, the utility model provides the following technical solutions: an energy-saving high-density polyurethane thermal insulation pipe, including a pipe body, both sides of the surface of the pipe body are provided with a first connecting thread, one end face of the pipe body is provided with an insertion port, and the other end face of the pipe body is provided with a connection port;

[0006] Also includes:

[0007] A connecting mechanism, which is arranged on the first connecting thread, a first connecting pipe is arranged on the connecting mechanism, a second connecting pipe is arranged on one side of the first connecting pipe, and a second connecting thread is arranged on the inner wall of the second connecting pipe;

[0008] The supporting mechanism is arranged on the tube body, and the supporting mechanism is provided with a supporting ring, and the supporting ring is provided with two, and the front and rear end surfaces of the two supporting rings are both provided with fixing plates, and the fixing plates are installed with fixing screws.

[0009] Preferably, a working tube is arranged inside the tube body, a heat preservation tube is arranged outside the working tube, and a protective tube is arranged outside the heat preservation tube.

[0010] Preferably, a protective coating is provided on the surface of the protection tube, and a support frame is provided between the protection tube and the insulation tube.

[0011] Preferably, a plurality of the support frames are provided, and a plurality of the support frames are provided with connecting frames.

[0012] Preferably, a fixing plate is provided on one side of the first connecting pipe, and a fixing hole is provided on the fixing plate.

[0013] Preferably, a sealing gasket is provided on one side of the fixing plate.

[0014] Preferably, a connecting seat is provided at the bottom of the supporting ring, and plug-in plates are provided at the front and rear end surfaces of the connecting seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model arranges a connecting mechanism on the first connecting thread on the outer surface of the pipe body, and the connecting mechanism is fixedly connected to the first connecting thread on the pipe body by using the second connecting thread, and then the connecting port and the plug port are used for plug connection, and then the fixing hole on the fixing plate is used for connection and fixation. A sealing gasket is arranged on one side of the fixing plate to ensure the sealing degree of the connection. At the same time, a plurality of supporting frames and connecting frames are arranged between the insulation pipe and the protective pipe, which play a role of supporting and protecting the insulation pipe and the working pipe, and solves the problem that the polyurethane insulation pipe in the prior art is relatively simple in splicing structure and its sealing is poor when connected, thereby easily reducing its insulation performance when used.

[0017] 2. A support mechanism is arranged on the pipe body, and the support mechanism is connected to the pipe body by a support ring, and then fixing screws are installed on the fixing plate to connect and fix the pipe body. The support ring is not a closed ring and can be adjusted according to the diameter of the pipe body. Then, the plug-in plate on the connecting seat is used to connect with the plug-in seat, so that the support mechanism can support the pipe body as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the polyurethane thermal insulation pipe of the utility model;

[0019] Figure 2It is an enlarged schematic diagram of the local internal structure of the polyurethane thermal insulation pipe of the utility model;

[0020] Figure 3 It is an enlarged schematic diagram of the local connection mechanism structure of the polyurethane thermal insulation pipe of the utility model;

[0021] Figure 4 It is an enlarged schematic diagram of the local support structure of the polyurethane thermal insulation pipe of the utility model;

[0022] In the figure: 1. pipe body; 2. connecting mechanism; 3. supporting mechanism; 4. first connecting thread; 5. connecting port; 6. working pipe; 7. insulation pipe; 8. protective pipe; 9. protective coating; 10. supporting frame; 11. connecting frame; 12. first connecting pipe; 13. second connecting pipe; 14. second connecting thread; 15. fixing plate; 16. fixing hole; 17. sealing gasket; 18. fixing plate; 19. fixing screw; 20. connecting seat; 21. plug-in board; 22. supporting ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: an energy-saving high-density polyurethane thermal insulation pipe, comprising a pipe body 1, both sides of the surface of the pipe body 1 are provided with a first connecting thread 4, one end surface of the pipe body 1 is provided with an inserting interface, and the other end surface of the pipe body 1 is provided with a connecting port 5;

[0025] Also includes:

[0026] A connecting mechanism 2, which is arranged on the first connecting thread 4, a first connecting pipe 12 is arranged on the connecting mechanism 2, a second connecting pipe 13 is arranged on one side of the first connecting pipe 12, and a second connecting thread 14 is arranged on the inner wall of the second connecting pipe 13;

[0027] The supporting mechanism 3 is arranged on the pipe body 1, and a supporting ring 22 is arranged on the supporting mechanism 3, and two supporting rings 22 are arranged, and the front and rear end surfaces of the two supporting rings 22 are both provided with fixing plates 18, and fixing screws 19 are installed on the fixing plates 18. When in use, since the connecting mechanism 2 is arranged on the first connecting thread 4 on the outer surface of the pipe body 1, the connecting mechanism 2 is fixedly connected with the first connecting thread 4 on the pipe body 1 by the second connecting thread 14, and then the connecting port 5 and the plug interface are first used for plug connection, and then the fixing hole 16 on the fixing plate 15 is used for connection and fixing. A sealing gasket 17 is arranged on one side of the fixing plate 15 to ensure the sealing degree of the connection, and a sealing gasket 17 is arranged between the insulation pipe 7 and the protective pipe 8. A plurality of support frames 10 and connecting frames 11 play a role of supporting and protecting the insulation pipe 7 and the working pipe 6, solving the problem that the polyurethane insulation pipe 7 in the prior art is relatively simple in splicing structure and has poor sealing when connected, which easily reduces its insulation performance when used. In addition, a support mechanism 3 is arranged on the pipe body 1, and the support mechanism 3 is connected to the pipe body 1 by a support ring 22, and then a fixing screw 19 is installed on the fixing plate 18 for connection and fixing. The support ring 22 is not a closed ring and can be adjusted according to the diameter of the pipe body 1. Then, the plug-in plate 21 on the connecting seat 20 can be plugged into the plug-in seat, so that the support mechanism 3 plays a supporting role for the pipe body 1 as a whole.

[0028] See also Figure 1-Figure 4 A working tube 6 is arranged inside the tube body 1 , a heat preservation tube 7 is arranged outside the working tube 6 , and a protection tube 8 is arranged outside the heat preservation tube 7 .

[0029] See also Figure 1-Figure 4 A protective coating 9 is provided on the surface of the protection tube 8 , and a support frame 10 is provided between the protection tube 8 and the insulation tube 7 .

[0030] See also Figure 1-Figure 4 There are several support frames 10, and several support frames 10 are provided with connecting frames 11. The support mechanism 3 is connected to the tube body 1 by using a support ring 22, and then a fixing screw 19 is installed on the fixing plate 18 for connection and fixing. The support ring 22 is not a closed ring and can be adjusted according to the diameter of the tube body 1. Then, the plug-in board 21 on the connecting seat 20 can be plugged into the plug-in seat, so that the support mechanism 3 can support the tube body 1 as a whole.

[0031] See also Figure 1-Figure 4A fixing plate 15 is provided on one side of the first connecting pipe 12, and a fixing hole 16 is provided on the fixing plate 15. The connecting mechanism 2 is fixedly connected to the first connecting thread 4 on the pipe body 1 by using the second connecting thread 14, and then the connecting port 5 and the plug interface are used for plug connection, and then the fixing hole 16 on the fixing plate 15 is used for connection and fixation. A sealing gasket 17 is provided on one side of the fixing plate 15 to ensure the sealing degree of the connection. At the same time, a plurality of supporting frames 10 and connecting frames 11 are provided between the insulation pipe 7 and the protective pipe 8, which play a role of supporting and protecting the insulation pipe 7 and the working pipe 6, and solves the problem that the polyurethane insulation pipe 7 in the prior art is relatively simple in splicing structure and its sealing is poor when connected, thereby easily reducing its insulation performance when used.

[0032] See also Figure 1-Figure 4 A sealing gasket 17 is provided on one side of the fixed disk 15 .

[0033] See also Figure 1-Figure 4 A connecting seat 20 is provided at the bottom of the supporting ring 22 , and plug-in boards 21 are provided at the front and rear end surfaces of the connecting seat 20 .

[0034] Working principle: When in use, since the connecting mechanism 2 is arranged on the first connecting thread 4 on the outer surface of the tube body 1, the connecting mechanism 2 is fixedly connected with the first connecting thread 4 on the tube body 1 by using the second connecting thread 14, and then the connecting port 5 and the plug interface are plugged in and connected, and then the fixing hole 16 on the fixing plate 15 is used to connect and fix. A sealing gasket 17 is arranged on one side of the fixing plate 15 to ensure the sealing degree of the connection. At the same time, a plurality of supporting frames 10 and connecting frames 11 are arranged between the insulation tube 7 and the protection tube 8 to support and protect the insulation tube 7 and the working tube 6, solving the problem of the insulation tube 7 and the protection tube 8. The polyurethane thermal insulation pipe 7 in the prior art is relatively simple in splicing structure, and its sealing is poor when connected, which easily reduces its thermal insulation performance when in use. In addition, a supporting mechanism 3 is arranged on the pipe body 1, and the supporting mechanism 3 is connected to the pipe body 1 by a supporting ring 22, and then a fixing screw 19 is installed on the fixing plate 18 for connection and fixing. The supporting ring 22 is not a closed ring and can be adjusted according to the diameter of the pipe body 1. Then, the plug-in plate 21 on the connecting seat 20 can be plugged into the plug-in seat, so that the supporting mechanism 3 supports the pipe body 1 as a whole.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An energy-saving high-density polyurethane thermal insulation pipe, comprising a pipe body (1), first connecting threads (4) are arranged on both sides of the surface of the pipe body (1), an inserting port is arranged on one end surface of the pipe body (1), and a connecting port (5) is arranged on the other end surface of the pipe body (1); Features: Also includes: A connecting mechanism (2) arranged on the first connecting thread (4), a first connecting pipe (12) being arranged on the connecting mechanism (2), a second connecting pipe (13) being arranged on one side of the first connecting pipe (12), and a second connecting thread (14) being arranged on the inner wall of the second connecting pipe (13); A support mechanism (3) is arranged on the tube body (1), and a support ring (22) is arranged on the support mechanism (3), and two support rings (22) are arranged, and the front and rear end surfaces of the two support rings (22) are both provided with fixing plates (18), and fixing screws (19) are installed on the fixing plates (18).

2. The energy-saving high-density polyurethane thermal insulation pipe according to claim 1, characterized in that: A working tube (6) is arranged inside the tube body (1), a heat preservation tube (7) is arranged outside the working tube (6), and a protection tube (8) is arranged outside the heat preservation tube (7).

3. The energy-saving high-density polyurethane thermal insulation pipe according to claim 2, characterized in that: The surface of the protection tube (8) is provided with a protection coating (9), and a support frame (10) is provided between the protection tube (8) and the thermal insulation tube (7).

4. The energy-saving high-density polyurethane thermal insulation pipe according to claim 3, characterized in that: A plurality of the support frames (10) are provided, and a plurality of the support frames (10) are provided with a connecting frame (11).

5. The energy-saving high-density polyurethane thermal insulation pipe according to claim 1, characterized in that: A fixing plate (15) is provided on one side of the first connecting pipe (12), and a fixing hole (16) is provided on the fixing plate (15).

6. The energy-saving high-density polyurethane thermal insulation pipe according to claim 5, characterized in that: A sealing gasket (17) is provided on one side of the fixing plate (15).

7. The energy-saving high-density polyurethane thermal insulation pipe according to claim 1, characterized in that: A connecting seat (20) is provided at the bottom of the supporting ring (22), and plug-in boards (21) are provided on the front and rear end surfaces of the connecting seat (20).

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