A jacketed polyurethane directly buried heat preservation pipe

Abstract

The utility model discloses a sleeve type polyurethane direct -buried heat preservation tube relates to direct -buried heat preservation tube technical field, and its technical key points include first heat preservation pipe and second heat preservation pipe, and first heat preservation pipe surface is provided with connecting mechanism, and second heat preservation pipe surface is provided with reinforcing mechanism, reinforcing mechanism and connecting mechanism parallelly arranged, connecting mechanism includes mobile ring and a plurality of connecting rods, and technical effect is reinforcing mechanism when connecting, and extrusion ring extrusion extrusion block on the plug -in rod, makes plug -in rod insert into the slot fixed connecting rod, and the connection of first heat preservation pipe and second heat preservation pipe is strengthened, can resist external factor influence, and ensure system stability and hot medium conveying smooth. Fixed sleeve through slot and plug -in rod are linked, and through slot limit slot and the limit block cooperation of plug -in rod prevent from falling off. Through connecting sleeve and bolt connection fixed block and extrusion ring, and the plug -in rod can be fixed secondly by tightening bolt, and the reliability of reinforcing mechanism is promoted, and the life is prolonged, and it is guaranteed that the connection is stable and the heat preservation performance is good under complex working condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to direct -buried heat -preserving pipe technical field, specifically is a casing pipe formula polyurethane direct -buried heat -preserving pipe. BACKGROUND

[0002] Polyurethane heat -preserving pipe is with high -function polyether polyol combination material and multiple methyl polyphenyl polyisocyanate as raw material through chemical reaction foaming, and polyurethane heat -preserving pipe is used for the heat preservation, cold -keeping engineering of indoor and outdoor various pipelines, central heating pipeline, central air conditioning pipeline, chemical industry, pharmaceutical industry pipeline;

[0003] In the pipeline laying or equipment installation process, need to connect the multiple heat -preserving pipes into complete conveying pipeline system;

[0004] The existing connecting mode adopts bolt connection. This connecting mode can splice and fix the pipeline to a certain extent, ensure the normal conveying of medium in the pipeline. When splicing the heat -preserving pipe by bolt connection, multiple bolts need to be fastened. Fastening multiple bolts one by one is a relatively tedious and time -consuming work, and the construction personnel need to find the corresponding bolt hole one by one, use the appropriate tool to tighten, and ensure that each bolt reaches the appropriate fastening degree to ensure the stability of the connection. Therefore, the construction time cost is increased, therefore, a casing pipe formula polyurethane direct -buried heat -preserving pipe is provided. UTILITY MODEL CONTENTS

[0005] TECHNICAL SCHEME

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a casing pipe formula polyurethane direct -buried heat -preserving pipe, including first heat -preserving pipe and second heat -preserving pipe, the first heat -preserving pipe surface is provided with connecting mechanism, the second heat -preserving pipe surface is provided with reinforcing mechanism;

[0007] The reinforcing mechanism and the connecting mechanism are arranged in parallel;

[0008] The connecting mechanism includes a moving ring and a plurality of connecting rods;

[0009] The reinforcing mechanism includes a fixed part and a reinforcing part;

[0010] The fixed part includes a fixed sleeve and a plurality of insertion rods, and the reinforcing part includes a fixed block and an extrusion ring;

[0011] The inner side surface of the fixed sleeve is fixedly connected with the surface of the second heat -preserving pipe, a plurality of through grooves are formed in the surface of the fixed sleeve, the inner walls of the plurality of through grooves are fixedly connected with the surfaces of the plurality of insertion rods respectively, a plurality of extrusion blocks are fixedly arranged on the outer side surfaces of the plurality of insertion rods respectively, the surface of the fixed sleeve is slidably connected with the inner side surface of the extrusion ring, and the inner side surface of the extrusion ring is in contact with the surface of the plurality of extrusion blocks.

[0012] Preferably, the inner side of the moving ring is in sliding connection with the surface of the first heat preservation pipe, the left side of the first heat preservation pipe is in contact with the right side of the second heat preservation pipe, the left side of the first heat preservation pipe and the right side of the second heat preservation pipe are respectively provided with two groups of insertion slots, the left side of the plurality of connecting rods is respectively in fixed connection with the right side of the plurality of connecting rods, and the left side of the plurality of connecting rods extends to the inner side of the fixing sleeve through the two groups of insertion slots.

[0013] Preferably, the inner side of the fixing sleeve is fixedly provided with a plurality of supporting rings, the inner side of the plurality of supporting rings is respectively in contact with the surface of the plurality of connecting rods, the surface of the plurality of connecting rods is respectively provided with a plurality of insertion holes, and the inner side of the plurality of insertion rods extends to the inner wall of the plurality of insertion holes.

[0014] Preferably, the right side of the fixing block is in fixed connection with the left side of the fixing sleeve, the surface of the fixing block is in sliding connection with the connecting sleeve, the left side of the connecting plate is in fixed connection with the right side of the connecting sleeve.

[0015] Preferably, the top surface of the fixing block is provided with an extrusion groove, the top surface of the connecting sleeve extends to the inner wall of the extrusion groove through the threaded bolt, the surface of the fixing sleeve is fixedly provided with two wedge-shaped blocks, the inner side of the extrusion ring is provided with two wedge-shaped grooves, the surface of the two wedge-shaped blocks is respectively in sliding connection with the inner wall of the two wedge-shaped grooves, the inner wall of the plurality of through grooves is respectively provided with a plurality of limiting grooves, the plurality of limiting grooves is respectively in sliding connection with the plurality of limiting blocks, and the outer wall of the plurality of limiting blocks is in fixed connection with the outer wall of the plurality of insertion rods.

[0016] Preferably, the right side of the moving ring is fixedly provided with two fixed plates, the far side of the two fixed plates is respectively provided with two sliding grooves, the surface of the first heat preservation pipe is provided with two rectangular grooves, the inner wall of the two sliding grooves is respectively in sliding connection with the two telescopic supports, the proximal side of the two telescopic supports extends to the inner wall of the two rectangular grooves, the inner side of the two telescopic supports is respectively fixedly provided with two springs and two dampers, and the proximal side of the two springs and the proximal side of the two dampers are in fixed connection with the far side of the two fixed plates.

[0017] Preferably, the right side of the two fixed plates is respectively fixedly provided with two push plates, the surface of the first heat preservation pipe is fixedly provided with a positioning block, the inner side of the moving ring is provided with a positioning groove, and the surface of the positioning block is in sliding connection with the inner wall of the positioning groove.

[0018] Beneficial effects

[0019] Compared with the prior art, the utility model provides a sleeve type polyurethane direct -buried heat preservation pipe has the following beneficial effects:

[0020] 1, when connecting, the extrusion ring extrudes the extrusion block on the insertion rod, so that the insertion rod is inserted into the insertion slot to fix the connecting rod, the connection between the first heat preservation pipe and the second heat preservation pipe is strengthened, external factors can be resisted, system stability and smooth heat medium conveying are ensured. The through slot of the fixing sleeve is connected with the insertion rod, the through slot limiting groove and the limiting block of the insertion rod are matched to prevent disengagement. The connecting sleeve and the bolt are connected with the fixing block and the extrusion ring, the insertion rod can be fixed again by tightening the bolt, the reliability of the reinforcing mechanism is improved, the service life is prolonged, and stable connection and good heat preservation performance are ensured under complex working conditions.

[0021] 2, when the first heat preservation pipe and the second heat preservation pipe are connected, the connecting rod left end can be moved to the inside of the fixing sleeve to complete preliminary fixation, and the operation is simple and efficient. After the two telescopic frames are moved to the positions of the two rectangular grooves, the two telescopic frames can be inserted into the inner wall of the insertion slot through the two springs and the two dampers, and then the moving ring can be fixed, so that the preliminary connection is faster. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a top view of the utility model;

[0024] Figure 3 It is a three-dimensional schematic view of the reinforcing mechanism inside the utility model;

[0025] Figure 4 It is a three-dimensional schematic view of the connecting mechanism inside the utility model;

[0026] Figure 5 It is a three-dimensional schematic view of the utility model Figure 3 A enlarged three-dimensional schematic view of A area in the utility model;

[0027] Figure 6 It is a three-dimensional schematic view of the utility model Figure 4 A enlarged three-dimensional schematic view of B area in the utility model.

[0028] In the drawing: 1, first heat preservation pipe; 2, second heat preservation pipe; 3, reinforcing mechanism; 31, bolt; 32, fixing sleeve; 33, wedge-shaped block; 34, connecting plate; 35, connecting sleeve; 36, fixing block; 37, extrusion ring; 38, limiting block; 39, extrusion block; 310, insertion rod; 311, supporting ring; 4, connecting mechanism; 41, positioning block; 42, moving ring; 43, connecting rod; 44, damper; 45, spring; 46, telescopic frame; 47, fixed plate; 48, push plate. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0030] Embodiment 1

[0031] As shown in Figures 1-6 The present embodiment is proposed, comprising a first heat preservation pipe 1 and a second heat preservation pipe 2, the surface of the first heat preservation pipe 1 is provided with a connecting mechanism 4, and the surface of the second heat preservation pipe 2 is provided with a reinforcing mechanism 3;

[0032] The reinforcing mechanism 3 and the connecting mechanism 4 are arranged in parallel;

[0033] The connecting mechanism 4 comprises a moving ring 42 and a plurality of connecting rods 43;

[0034] The reinforcing mechanism 3 comprises a fixed part and a reinforcing part;

[0035] The fixed part comprises a fixed sleeve 32 and a plurality of insertion rods 310, and the reinforcing part comprises a fixed block 36 and an extrusion ring 37;

[0036] The inner side surface of the fixing sleeve 32 is fixedly connected with the surface of the second heat preservation pipe 2. A plurality of through grooves are formed in the surface of the fixing sleeve 32. The inner walls of the plurality of through grooves are fixedly connected with the surfaces of a plurality of insertion rods 310, respectively. A plurality of extrusion blocks 39 are fixedly arranged on the outer side surfaces of the plurality of insertion rods 310, respectively. The surface of the fixing sleeve 32 is slidably connected with the inner side surface of the extrusion ring 37. The inner side surface of the extrusion ring 37 is in contact with the surfaces of the plurality of extrusion blocks 39. A plurality of supporting rings 311 are fixedly arranged on the inner side surface of the fixing sleeve 32. The inner side surfaces of the plurality of supporting rings 311 are in contact with the surfaces of a plurality of connecting rods 43, respectively. A plurality of insertion holes are formed in the surfaces of the plurality of connecting rods 43, respectively. The inner side surfaces of the plurality of insertion rods 310 extend into the inner walls of the plurality of insertion holes, respectively. The right side surface of the fixing block 36 is fixedly connected with the left side surface of the fixing sleeve 32. The surface of the fixing block 36 is slidably provided with a connecting sleeve 35. The left side surface of the extrusion ring 37 is fixedly provided with a connecting plate 34. The left side surface of the connecting plate 34 is fixedly connected with the right side surface of the connecting sleeve 35. An extrusion groove is formed in the top surface of the fixing block 36. The top surface of the connecting sleeve 35 is threadedly penetrated by a bolt 31, which extends into the inner wall of the extrusion groove. Two wedge-shaped blocks 33 are fixedly arranged on the surface of the fixing sleeve 32. Two wedge-shaped grooves are formed in the inner side surface of the extrusion ring 37. The surfaces of the two wedge-shaped blocks 33 are slidably connected with the inner walls of the two wedge-shaped grooves, respectively. Two fixing plates 47 are fixedly arranged on the right side surface of the moving ring 42. Two sliding grooves are formed in the opposite side surfaces of the two fixing plates 47, respectively. Two rectangular grooves are formed in the surface of the first heat preservation pipe 1. Two telescopic supports 46 are slidably arranged in the inner walls of the two sliding grooves, respectively. The inner side surfaces of the two telescopic supports 46 are fixedly provided with two springs 45 and two dampers 44, respectively. The opposite side surfaces of the two springs 45 and the opposite side surfaces of the two dampers 44 are fixedly connected with the opposite side surfaces of the two fixing plates 47, respectively. A plurality of limiting grooves are formed in the inner walls of the plurality of through grooves, respectively. A plurality of limiting blocks 38 are slidably arranged in the inner walls of the plurality of limiting grooves, respectively. The outer walls of the plurality of limiting blocks 38 are fixedly connected with the outer walls of the plurality of insertion rods 310, respectively.

[0037] In the embodiment, when the reinforcing mechanism 3 is connected, the extrusion ring 37 extrudes the extrusion blocks 39 on the insertion rods 310, so that the insertion rods 310 are inserted into the insertion grooves and fixedly connected with the connecting rods 43. The connection between the first heat preservation pipe 1 and the second heat preservation pipe 2 is strengthened, which can resist external factors and ensure the stability of the system and the smooth delivery of the heat medium.

[0038] Embodiment 2

[0039] As Figures 1-6As shown, based on the same concept as in Embodiment 1, the embodiment also proposes that the inner side of the moving ring 42 is in sliding connection with the surface of the first heat preservation pipe 1, the left side of the first heat preservation pipe 1 is in contact with the right side of the second heat preservation pipe 2, two groups of insertion slots are respectively provided through the left side of the first heat preservation pipe 1 and the right side of the second heat preservation pipe 2, the left side of the moving ring 42 is fixedly connected with the right side of the plurality of connecting rods 43, the left side of the plurality of connecting rods 43 extends through the two groups of insertion slots to the inside of the fixed sleeve 32, the right side of the two fixed plates 47 is respectively fixedly provided with two push plates 48, the surface of the first heat preservation pipe 1 is fixedly provided with a positioning block 41, and the inner side of the moving ring 42 is provided with a positioning groove, and the surface of the positioning block 41 is in sliding connection with the inner wall of the positioning groove.

[0040] In this embodiment, when the connecting mechanism connects the first heat preservation pipe 1 and the second heat preservation pipe 2, the left end of the connecting rod 43 can be moved to the inside of the fixed sleeve 32 to complete the preliminary fixation, which is simple and efficient to operate. After the two telescopic frames 46 are moved to the positions of the two rectangular grooves, the two telescopic frames 46 can be inserted into the inner wall of the insertion slot through the two springs 45 and the two dampers 44, so as to fix the moving ring 42, which is relatively fast during the preliminary connection.

[0041] In use, when the first heat preservation pipe 1 and the second heat preservation pipe 2 need to be connected, they are first aligned, and then the two groups of insertion slots are aligned. After alignment, the two fixed plates 47 are first manually controlled to move towards the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2, and the moving ring 42 can be controlled to move towards the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2 when the two fixed plates 47 move, so that the left end of the plurality of connecting rods 43 moves to the inside of the fixed sleeve 32. The two telescopic frames 46 can be moved synchronously when the two fixed plates 47 are moved, and the two telescopic frames 46 can be inserted into the inner wall of the insertion slot through the two springs 45 and the two dampers 44 after the two telescopic frames 46 are moved to the positions of the two rectangular grooves, so as to fix the moving ring 42. After the moving ring 42 is preliminarily fixed, the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2 can be preliminarily fixed.

[0042] When the moving ring 42 moves, the plurality of connecting rods 43 can be moved to the inside of the plurality of fixed sleeves 32, and then the plurality of connecting rods 43 can be dragged by the plurality of supporting rings 311. When the manually controlled extrusion ring 37 moves towards the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2, the plurality of extrusion blocks 39 arranged outside the plurality of insertion rods 310 can be extruded after the extrusion ring 37 moves to the outside of the plurality of insertion rods 310, so that the plurality of insertion rods 310 can be inserted into the plurality of insertion grooves, and then the plurality of connecting rods 43 can be fixed. After the plurality of connecting rods 43 are fixed, the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2 can be reinforced. When the bolt 31 is manually tightened, the bolt 31 can extrude the inner wall of the extrusion groove after being tightened, the connecting sleeve 35 can be fixed after the bolt 31 extrudes the inner wall of the extrusion groove, the extrusion ring 37 can be fixed after the connecting sleeve 35 is fixed, and then the plurality of insertion rods 310 can be fixed again.

[0043] When it is necessary to disassemble the first heat preservation pipe 1 and the second heat preservation pipe 2, only the bolt 31 needs to be loosened, so that the extrusion ring 37 is separated from the plurality of extrusion blocks 39. The plurality of connecting rods can be separated from the two groups of insertion grooves by manually controlling the moving ring 42 to move away from the connection between the first heat preservation pipe 1 and the second heat preservation pipe 2, and then the first heat preservation pipe 1 and the second heat preservation pipe 2 can be disassembled. The plurality of insertion rods 310 cannot be separated from the fixed sleeve 32 by arranging the plurality of limiting blocks 38.

[0044] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is also covered by the protection scope of the present application.

Claims

1. A jacketed polyurethane directly buried thermal insulation pipe comprising a first thermal insulation pipe (1) and a second thermal insulation pipe (2), characterized in that: The first heat preservation pipe (1) surface is provided with connecting mechanism (4), the second heat preservation pipe (2) surface is provided with reinforcing mechanism (3); The reinforcing mechanism (3) is arranged in parallel with the connecting mechanism (4); The connecting mechanism (4) comprises a plurality of connecting rods (43) and a moving ring (42); The reinforcing mechanism (3) comprises a fixed part and a reinforcing part; The fixed part comprises a plurality of insertion rods (310) and a fixed sleeve (32), and the reinforcing part comprises a fixed block (36) and an extrusion ring (37); The inner side surface of the fixed sleeve (32) is fixedly connected with the surface of the second heat preservation pipe (2), a plurality of through grooves are formed in the surface of the fixed sleeve (32), the inner wall of each through groove is fixedly connected with the surface of each insertion rod (310), a plurality of extrusion blocks (39) are fixedly arranged on the outer side surface of each insertion rod (310), the surface of the fixed sleeve (32) is slidably connected with the inner side surface of the extrusion ring (37), and the inner side surface of the extrusion ring (37) is in contact with the surface of each extrusion block (39).

2. The jacketed polyurethane directly buried thermal insulation pipe according to claim 1, characterized in that: The inner side surface of the moving ring (42) is slidably connected with the surface of the first heat preservation pipe (1), the left side surface of the first heat preservation pipe (1) is in contact with the right side surface of the second heat preservation pipe (2), two groups of insertion grooves are formed in the left side surface and the right side surface of the first heat preservation pipe (1) and the second heat preservation pipe (2) respectively, the left side surface of the moving ring (42) is fixedly connected with the right side surface of each connecting rod (43), and the left side surface of each connecting rod (43) extends to the inner side surface of the fixed sleeve (32) through the two groups of insertion grooves.

3. The jacketed polyurethane directly buried thermal insulation pipe according to claim 1, characterized in that: A plurality of supporting rings (311) are fixedly arranged on the inner side surface of the fixed sleeve (32), the inner side surface of each supporting ring (311) is in contact with the surface of each connecting rod (43), a plurality of insertion holes are formed in the surface of each connecting rod (43), and the inner side surface of each insertion rod (310) extends to the inner wall of each insertion hole.

4. The jacketed polyurethane directly buried thermal insulation pipe according to claim 1, characterized in that: The right side surface of the fixed block (36) is fixedly connected with the left side surface of the fixed sleeve (32), a connecting sleeve (35) is slidably arranged on the surface of the fixed block (36), a connecting plate (34) is fixedly arranged on the left side surface of the extrusion ring (37), and the left side surface of the connecting plate (34) is fixedly connected with the right side surface of the connecting sleeve (35).

5. The jacketed polyurethane directly buried thermal insulation pipe according to claim 4, characterized in that: An extrusion groove is formed in the top surface of the fixed block (36), a threaded bolt (31) extends to the inner wall of the extrusion groove through the top surface of the connecting sleeve (35), two wedge-shaped blocks (33) are fixedly arranged on the surface of the fixed sleeve (32), two wedge-shaped grooves are formed in the inner side surface of the extrusion ring (37), the surface of each wedge-shaped block (33) is slidably connected with the inner wall of each wedge-shaped groove, a plurality of limiting grooves are formed in the inner wall of each through groove, a plurality of limiting blocks (38) are slidably arranged in the inner wall of each limiting groove, and the outer wall of each limiting block (38) is fixedly connected with the outer wall of each insertion rod (310).

6. The jacketed polyurethane directly buried thermal insulation pipe according to claim 2, characterized in that: The right side of the moving ring (42) is fixedly provided with two fixed plates (47), the far side of the two fixed plates (47) is respectively provided with two sliding grooves, the surface of the first heat preservation pipe (1) is provided with two rectangular grooves, the inner wall of the two sliding grooves is respectively provided with two telescopic frames (46), the side of the two telescopic frames (46) is respectively extended to the inner wall of the two rectangular grooves, the inner side of the two telescopic frames (46) is respectively fixedly provided with two springs (45) and two dampers (44), and the side of the two springs (45) and the side of the two dampers (44) are respectively fixedly connected with the side of the two fixed plates (47).

7. The jacketed polyurethane directly buried thermal insulation pipe according to claim 6, characterized in that: The right side of the two fixed plates (47) is respectively fixedly provided with two push plates (48), the surface of the first heat preservation pipe (1) is fixedly provided with a positioning block (41), the inner side of the moving ring (42) is provided with a positioning groove, and the surface of the positioning block (41) is in sliding connection with the inner wall of the positioning groove.

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