Polyurethane thermal insulation pipe

Abstract

The utility model relates to the technical field of polyurethane thermal insulation pipes, and discloses a polyurethane thermal insulation pipe. The polyurethane thermal insulation pipe comprises a thermal insulation pipe inner pipe, a thermal insulation layer is arranged on the outer side of the thermal insulation pipe inner pipe, and a thermal insulation pipe outer pipe is arranged on the outer side of the thermal insulation layer. Through the arrangement of the sealing cover, the first thermometer and the second thermometer, when the heat preservation effect of the heat preservation pipe in the using process needs to be detected, the sealing cover is pulled, the sealing cover and the sealing gasket at the bottom are pulled upwards, the clamping base at the bottom end and the polyurethane material are driven to be pulled out of the mounting groove in the inner side of the heat preservation layer, and after being pulled out, the heat preservation effect is detected. The first thermometer and the second thermometer on the inner side of the polyurethane material are observed, the first thermometer detects the internal temperature of the inner pipe of the heat preservation pipe due to the fact that the detection head is attached to the inner pipe of the heat preservation pipe, the second thermometer detects the internal temperature of the polyurethane material, the temperature difference can be determined according to the two observed data, and then the heat preservation effect of the heat preservation pipe is determined.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane thermal insulation pipes, in particular to a polyurethane thermal insulation pipe. Background Art

[0002] Polyurethane insulated pipe, full name: high-density polyethylene plastic outer sheath polyurethane foam prefabricated direct-buried insulated pipe, is composed of a working steel pipe for conveying the medium, a polyurethane insulation layer, and a polyethylene plastic outer sheath pipe, which are sequentially combined outwards through equipment.

[0003] After the existing polyurethane thermal insulation pipe is installed and used, it is not convenient to detect the temperature inside the pipe, and it is impossible to know the thermal insulation effect of the thermal insulation pipe. Therefore, a polyurethane thermal insulation pipe is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a polyurethane thermal insulation pipe to solve the problems raised in the above-mentioned background technology that the existing polyurethane thermal insulation pipe is not convenient for detecting the temperature inside the pipe after installation and use, and the thermal insulation effect of the thermal insulation pipe cannot be known; and when the thermal insulation pipe is placed on the ground, due to rolling and collision, the outer wall of the thermal insulation pipe rubs against the ground, causing damage and affecting the quality.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a polyurethane thermal insulation pipe, comprising an insulation pipe inner pipe, an insulation layer is arranged on the outside of the insulation pipe inner pipe, an insulation pipe outer pipe is arranged on the outside of the insulation layer, a detection structure is arranged on the inside of the insulation layer, and a support structure is arranged on the outer wall of the insulation pipe outer pipe.

[0006] The detection structure includes a snap-fit ​​seat, a sealing gasket is provided at the top end of the snap-fit ​​seat, and a polyurethane material is provided at the bottom end of the snap-fit ​​seat, a sealing cover is provided at the top end of the sealing gasket, a bolt is provided on the inner side of the sealing cover, a first thermometer is installed on the inner side of the polyurethane material, a detection head is provided at the bottom end of the first thermometer, and a second thermometer is provided on the right side of the first thermometer.

[0007] The support structure includes a fixing ring, a receiving groove is provided at the bottom end of the fixing ring, a magnetic block is provided on the inner wall of the receiving groove, and a rotating seat is provided on the inner side of the receiving groove, a first supporting plate is connected to the rotating seat, a rotating shaft is provided at the end of the first supporting plate, a second supporting plate is connected to the rotating shaft, magnetic grooves are provided at the front ends of the first supporting plate and the second supporting plate, and a magnetic plug is engaged with the inner side of the magnetic groove.

[0008] Preferably, the inner sides of the insulation layer and the outer tube of the insulation tube are provided with installation grooves matching the detection structure, and the sealing gasket and the sealing cover are fixedly connected by glue.

[0009] Preferably, the sealing pad, the sealing cover and the outer tube of the insulation tube are fixedly connected by bolts, and the inner side of the polyurethane material is provided with a positioning groove matching the first thermometer and the second thermometer.

[0010] Preferably, the detection head penetrates to the bottom of the polyurethane material, the bottom ends of the first thermometer and the second thermometer are provided with detection heads, and the detection head at the bottom end of the first thermometer contacts the outer wall of the inner tube of the insulation tube.

[0011] Preferably, the fixing ring is fixedly connected to the outer tube of the insulation tube, the first supporting plate is movably connected to the receiving groove via a rotating seat, and the second supporting plate is fixed to the receiving groove via adsorption by a magnetic block.

[0012] Preferably, the second support plate is movably connected to the first support plate via a rotating shaft, and a mounting groove is provided on the second support plate.

[0013] Preferably, the fixing rings are arranged at equal intervals on the outer wall of the outer tube of the thermal insulation tube, and the first support plate and the second support plate are fixed by means of magnetic suction grooves and magnetic suction plug-ins.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model sets a sealing cover, a first thermometer and a second thermometer. When you want to detect the insulation effect of the insulation pipe during use, pull the sealing cover to pull it up with the sealing gasket at the bottom, and drive the locking seat at the bottom and the polyurethane material to be pulled out from the installation groove on the inner side of the insulation layer. After pulling it out, look at the first thermometer and the second thermometer on the inside of the polyurethane material. The first thermometer detects the temperature inside the inner tube of the insulation pipe because the detection head is in contact with the inner tube of the insulation pipe, and the second thermometer detects the internal temperature of the polyurethane material. Based on the two observed data, the temperature difference can be determined, and then the insulation effect of the insulation pipe can be determined.

[0016] Second, the utility model is arranged that when the insulation pipe needs to be placed on the ground, the two first support plates and the second support plate are pulled outwardly, so that the second support plate is separated from the magnetic block on the inner wall of the storage groove, and at the same time, the first support plate drives the second support plate to rotate outward and open through the rotating seat. After the two first support plates and the second support plates are opened, a supporting structure is formed, which can be placed on the ground to support the insulation pipe and prevent the insulation pipe from directly contacting the ground. When the insulation pipe needs to be installed and fixed on the wall, the magnetic plug is pulled out of the magnetic groove at the front end of the first support plate and the second support plate, and the first support plate and the second support plate can be rotated through the rotating shaft. After the second support plate is rotated upward, it is level with the wall and fits against the wall, and is fixed to the wall through the installation groove and screws, thereby realizing the installation of the insulation pipe and the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the thermal insulation layer of the utility model;

[0019] Figure 3 This is a schematic diagram of the detection structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the first thermometer of the utility model;

[0021] Figure 5 This is a schematic diagram of the support structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the second support plate of the utility model;

[0023] Figure 7 This is a schematic diagram of the magnetic plug of the utility model.

[0024] Wherein: 1. Insulation pipe inner tube; 2. Insulation layer; 3. Insulation pipe outer tube; 4. Detection structure; 401. Snap-fit ​​seat; 402. Sealing gasket; 403. Sealing cover; 404. Bolt; 405. Polyurethane material; 406. First thermometer; 407. Detection head; 408. Second thermometer; 5. Support structure; 501. Fixed ring; 502. Storage slot; 503. Magnetic block; 504. Rotating seat; 505. First support plate; 506. Rotating shaft; 507. Second support plate; 508. Magnetic slot; 509. Magnetic plug. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4A polyurethane thermal insulation pipe comprises a thermal insulation pipe inner pipe 1, a thermal insulation layer 2 is arranged on the outer side of the thermal insulation layer 2, a thermal insulation pipe outer pipe 3 is arranged on the outer side of the thermal insulation layer 2, a detection structure 4 is arranged on the inner side of the thermal insulation layer 2, a support structure 5 is arranged on the outer wall of the thermal insulation pipe outer pipe 3, the detection structure 4 comprises a snap-fit ​​seat 401, a sealing gasket 402 is arranged on the top of the snap-fit ​​seat 401, a polyurethane material 405 is arranged on the bottom of the snap-fit ​​seat 401, a sealing cover 403 is arranged on the top of the sealing gasket 402, and a Bolt 404, a first thermometer 406 is installed on the inner side of the polyurethane material 405, a detection head 407 is arranged at the bottom end of the first thermometer 406, and a second thermometer 408 is arranged on the right side of the first thermometer 406, a mounting groove matching the detection structure 4 is opened on the inner side of the insulation layer 2 and the outer tube 3 of the insulation tube, the sealing gasket 402 is fixedly connected with the sealing cover 403 by glue, the sealing gasket 402, the sealing cover 403 and the outer tube 3 of the insulation tube are fixedly connected by bolts 404, and a second thermometer 408 is opened on the inner side of the polyurethane material 405. The first thermometer 406 and the second thermometer 408 have matching positioning grooves, and the detection head 407 penetrates to the bottom of the polyurethane material 405. The bottom ends of the first thermometer 406 and the second thermometer 408 are provided with the detection head 407, and the detection head 407 at the bottom end of the first thermometer 406 contacts the outer wall of the inner tube 1 of the insulation tube. When the insulation effect of the insulation tube is to be detected during use, the bolt 404 on the sealing cover 403 is screwed out, and after screwing it out, the sealing cover 403 is pulled up to make it contact with the insulation tube after being pulled up with the sealing gasket 402 at the bottom. The outer tube 3 is separated, and drives the snap-fit ​​seat 401 at the bottom and the polyurethane material 405 to be pulled out from the installation groove on the inner side of the insulation layer 2. After being pulled out, the first thermometer 406 and the second thermometer 408 on the inner side of the polyurethane material 405 are observed. Since the detection head 407 of the first thermometer 406 is in contact with the inner tube 1 of the insulation tube, what is detected is the temperature inside the inner tube 1 of the insulation tube, and the second thermometer 408 detects the internal temperature of the polyurethane material 405. Based on the two observed data, the temperature difference can be determined, and then the insulation effect of the insulation tube can be determined.

[0027] See also Figure 5-7A polyurethane thermal insulation pipe, the support structure 5 includes a fixing ring 501, a receiving groove 502 is provided at the bottom end of the fixing ring 501, a magnetic block 503 is provided on the inner wall of the receiving groove 502, and a rotating seat 504 is provided on the inner side of the receiving groove 502, a first supporting plate 505 is connected to the rotating seat 504, a rotating shaft 506 is provided at the end of the first supporting plate 505, a second supporting plate 507 is connected to the rotating shaft 506, and magnetic grooves are provided at the front ends of the first supporting plate 505 and the second supporting plate 507. 508, a magnetic plug 509 is engaged with the inner side of the magnetic groove 508, the fixing ring 501 is fixedly connected to the outer tube 3 of the insulation tube, the first support plate 505 is movably connected to the receiving groove 502 through the rotating seat 504, the second support plate 507 is fixed to the receiving groove 502 by adsorption of the magnetic block 503, the second support plate 507 is movably connected to the first support plate 505 through the rotating shaft 506, and the second support plate 507 is provided with an installation groove, and the fixing ring 501 is arranged at equal intervals on the outer wall of the outer tube 3 of the insulation tube, and the first support plate 505 is fixed to the outer tube 3 of the insulation tube. The support plate 505 and the second support plate 507 are fixed by the magnetic groove 508 and the magnetic plug 509. When the insulation pipe needs to be placed on the ground, the two first support plates 505 and the second support plate 507 are pulled outward to separate the second support plate 507 from the magnetic block 503 on the inner wall of the storage groove 502. At the same time, the first support plate 505 drives the second support plate 507 to rotate outward through the rotating seat 504 to open. After the two first support plates 505 and the second support plate 507 are opened, a support frame is formed, which can be placed It is placed on the ground to support the insulation pipe and prevent the insulation pipe from directly contacting the ground. When the insulation pipe needs to be installed and fixed on the wall, the magnetic suction plug 509 is pulled out from the magnetic suction groove 508 at the front end of the first support plate 505 and the second support plate 507, and the first support plate 505 and the second support plate 507 can be rotated through the rotating shaft 506. After the second support plate 507 is rotated upward, it is horizontal with the wall and fits against the wall, and is fixed to the wall through the installation groove and screws, thereby realizing the installation of the insulation pipe and the wall.

[0028] When in use, if you want to detect the thermal insulation effect of the thermal insulation pipe during use, screw the bolt 404 on the sealing cover 403, and after unscrewing it, pull the sealing cover 403 to pull it up with the sealing gasket 402 at the bottom, separate it from the outer tube 3 of the thermal insulation pipe, and drive the bottom engaging seat 401 and the polyurethane material 405 to be pulled out from the mounting groove on the inner side of the thermal insulation layer 2. After pulling it out, observe the first thermometer 406 and the second thermometer 408 on the inner side of the polyurethane material 405. The first thermometer 406 detects the temperature inside the inner tube 1 of the thermal insulation pipe because the detection head 407 is in contact with the inner tube 1 of the thermal insulation pipe, and the second thermometer 408 detects the internal temperature of the polyurethane material 405. Based on the two observed data, the temperature difference can be determined, and then the thermal insulation effect of the thermal insulation pipe can be determined. When the thermal insulation pipe needs to be placed on the ground, pull the two first support plates 5 outward. 05, the second support plate 507, so that the second support plate 507 is separated from the magnetic block 503 on the inner wall of the storage groove 502, and at the same time, the first support plate 505 drives the second support plate 507 to rotate outward and open through the rotating seat 504. After the two first support plates 505 and the second support plates 507 are opened, a support frame is formed, which can be placed on the ground to support the insulation pipe and prevent the insulation pipe from directly contacting the ground. When the insulation pipe needs to be installed and fixed on the wall, the magnetic suction plug 509 is pulled out from the magnetic suction groove 508 at the front end of the first support plate 505 and the second support plate 507, and the first support plate 505 and the second support plate 507 can be rotated by the rotating shaft 506. After the second support plate 507 rotates upward, it is level with the wall and fits against the wall, and is fixed to the wall through the installation groove and screws, thereby realizing the installation of the insulation pipe and the wall.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A polyurethane thermal insulation pipe, comprising a thermal insulation pipe inner pipe (1), characterized in that: The outer side of the thermal insulation pipe inner tube (1) is provided with a thermal insulation layer (2), the outer side of the thermal insulation pipe outer tube (3) is provided with a thermal insulation layer (2), the inner side of the thermal insulation layer (2) is provided with a detection structure (4), and the outer wall of the thermal insulation pipe outer tube (3) is provided with a support structure (5); The detection structure (4) comprises a snap-fit ​​seat (401), a sealing gasket (402) is arranged at the top end of the snap-fit ​​seat (401), and a polyurethane material (405) is arranged at the bottom end of the snap-fit ​​seat (401), a sealing cover (403) is arranged at the top end of the sealing gasket (402), a bolt (404) is arranged on the inner side of the sealing cover (403), a first thermometer (406) is installed on the inner side of the polyurethane material (405), a detection head (407) is arranged at the bottom end of the first thermometer (406), and a second thermometer (408) is arranged on the right side of the first thermometer (406); The support structure (5) comprises a fixing ring (501), a receiving groove (502) is provided at the bottom end of the fixing ring (501), a magnetic attraction block (503) is provided on the inner wall of the receiving groove (502), and a rotating seat (504) is provided on the inner side of the receiving groove (502), a first supporting plate (505) is connected to the rotating seat (504), a rotating shaft (506) is provided at the end of the first supporting plate (505), and a second supporting plate (507) is connected to the rotating shaft (506), and magnetic attraction grooves (508) are provided at the front ends of the first supporting plate (505) and the second supporting plate (507), and a magnetic attraction plug (509) is engaged with the inner side of the magnetic attraction groove (508).

2. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The inner sides of the insulation layer (2) and the insulation pipe outer tube (3) are provided with mounting grooves matching the detection structure (4), and the sealing pad (402) and the sealing cover (403) are fixedly connected by glue.

3. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The sealing pad (402), the sealing cover (403) and the outer tube (3) of the thermal insulation tube are fixedly connected by bolts (404), and the inner side of the polyurethane material (405) is provided with positioning grooves matching the first thermometer (406) and the second thermometer (408).

4. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The detection head (407) penetrates to the bottom of the polyurethane material (405), and the bottom ends of the first thermometer (406) and the second thermometer (408) are provided with detection heads (407), and the detection head (407) at the bottom end of the first thermometer (406) contacts the outer wall of the inner tube (1) of the insulation tube.

5. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The fixing ring (501) is fixedly connected to the outer tube (3) of the thermal insulation tube, the first supporting plate (505) is movably connected to the receiving groove (502) via a rotating seat (504), and the second supporting plate (507) is fixedly attached to the receiving groove (502) via a magnetic attraction block (503).

6. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The second support plate (507) is movably connected to the first support plate (505) via a rotating shaft (506), and a mounting groove is provided on the second support plate (507).

7. The polyurethane thermal insulation pipe according to claim 1, characterized in that: The fixing rings (501) are arranged at equal intervals on the outer wall of the insulation pipe outer tube (3), and the first support plate (505) and the second support plate (507) are fixed by means of a magnetic suction groove (508) and a magnetic suction plug (509).

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