Self-tightening thermal insulation pipe joint coating connection thermal insulation pipe fitting

The self-tightening insulated pipe joint connection structure, which combines a connecting ring and a fixing frame, solves the shortcomings of traditional welding methods, achieves fast and reliable pipe connection, enhances sealing and protection performance, simplifies operation procedures, and improves project quality.

CN223677372UActive Publication Date: 2025-12-16QINGDAO BANGDELI THERMAL WORKING EQUIP CO LTD
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Patent Information

Application Number
CN202422762410.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-12-16
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Traditional welded pipe connection methods are time-consuming, difficult for workers to operate, generate welding fume pollution, have unsatisfactory welding quality and appearance, and have low installation efficiency, thus affecting the quality of the project.

Method used

The self-tightening insulation pipe joint connection structure is adopted. Through the combination of connecting ring and fixing frame, and with the cooperation of spring and pull rod, a quick connection is achieved. The ring block and rubber strip are added to provide protection, and the elastic sealing ring and electrothermal fusion sleeve are used to improve the sealing and protection performance.

Benefits of technology

It improved installation speed and connection reliability, enhanced the sealing effect and protective performance of the insulation pipe, simplified the operation process, reduced welding fume pollution, and improved project quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of thermal insulation pipes, and discloses a self-tightening thermal insulation pipe joint connection thermal insulation pipe fitting which comprises a thermal insulation protection layer, a first thermal insulation pipe is arranged on the right side of the thermal insulation protection layer on the left side, a second thermal insulation pipe is arranged on the left side of the thermal insulation protection layer on the right side, and a fixing frame is fixedly connected to the left side of the second thermal insulation pipe. A rotating groove is formed in the fixing frame, a movable groove is formed in the fixing frame, the movable groove communicates with the rotating groove, a limiting block is arranged in the rotating groove, a handle is fixedly connected to the outer portion of the limiting block, and a pull rod is fixedly connected to the inner side of the limiting block. According to the utility model, through the arrangement of the fixing frame and the connecting ring, the two thermal insulation pipes are connected and fastened, the installation speed is improved, the installation and connection structure is simple, the installation is convenient, the reliability is high, and through the arrangement of the plurality of groups of ring blocks, the thermal insulation pipes have stronger protection performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thermal insulation pipe, especially to self-tight type thermal insulation pipe joint connecting thermal insulation pipe fittings. BACKGROUND

[0002] Thermal insulation pipes are a type of insulating material used in piping systems, designed to reduce heat loss or retain heat, and they are widely used in construction, industry, and HVAC (Heating, Ventilation, and Air Conditioning) systems.

[0003] Thermal insulation pipe joint connecting thermal insulation pipe fittings is a high-efficiency piping connection component designed to ensure the sealing and integrity of the thermal insulation system, connecting two sections of thermal insulation pipes through different methods.

[0004] Traditional welding piping connection methods are time-consuming, difficult for workers to operate, and have welding fume pollution, making it difficult to achieve satisfactory results in welding quality and appearance, and the installation efficiency is not high, thereby affecting the overall quality of the project. UTILITY MODEL CONTENT

[0005] To address the above shortcomings, the utility model provides a self-tight type thermal insulation pipe joint connecting thermal insulation pipe fittings to improve the time-consuming welding piping connection method in the prior art, the difficulty of workers' operation, and the welding fume pollution, making it difficult to achieve satisfactory results in welding quality and appearance, and the installation efficiency is not high, thereby affecting the overall quality of the project.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a self-tight type thermal insulation pipe joint connecting thermal insulation pipe fittings, including a thermal protection layer, a first thermal insulation pipe is arranged on the right side of the thermal protection layer on the left side, a second thermal insulation pipe is arranged on the left side of the thermal protection layer on the right side, a fixed frame is fixedly connected to the left side of the second thermal insulation pipe, a rotating groove is formed in the inside of the fixed frame, a movable groove is formed in the inside of the fixed frame, the movable groove is communicated with the rotating groove, a limiting block is arranged in the inside of the rotating groove, a handle is fixedly connected to the outside of the limiting block, a pull rod is fixedly connected to the inside of the limiting block, the pull rod is fixedly connected to the outside of the movable plate, the movable plate is slidably connected in the inside of the movable groove, a spring is fixedly connected to one side of the movable plate, the other end of the spring is fixedly connected to the inside of the movable groove, an installation assembly is fixedly connected to the right side of the first thermal insulation pipe, and the installation assembly is used for installation between two groups of thermal insulation pipes.

[0007] Further, the installation assembly includes a connecting ring, the connecting ring is fixedly connected to the right side of the first thermal insulation pipe, the connecting ring is arranged in the inside of the fixed frame, a connecting hole is formed in the outside of the connecting ring, a pull rod is arranged in the inside of the connecting hole, and an elastic sealing ring is fixedly connected to the outside of the connecting ring.

[0008] Further, the first and the second heat preservation pipes are externally provided with a first ring block and a second ring block connected with each other.

[0009] Further, the first ring block is fixedly connected with a first convex ring on the inner side, the second ring block is fixedly connected with a first convex ring on the inner side, and the first convex ring is fixedly connected with a second convex ring on the inner side.

[0010] Further, the first ring block is fixedly connected with a first convex ring on the inner side, the second ring block is fixedly connected with a first convex ring on the inner side, and the first convex ring is fixedly connected with a second convex ring on the inner side.

[0011] Further, the first ring block is fixedly connected with a first convex ring on the inner side, the second ring block is fixedly connected with a first convex ring on the inner side, and the first convex ring is fixedly connected with a second convex ring on the inner side.

[0012] Further, the first ring block is fixedly connected with a first convex ring on the inner side, the second ring block is fixedly connected with a first convex ring on the inner side, and the first convex ring is fixedly connected with a second convex ring on the inner side.

[0013] Further, the first ring block is fixedly connected with a first convex ring on the inner side, the second ring block is fixedly connected with a first convex ring on the inner side, and the first convex ring is fixedly connected with a second convex ring on the inner side.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the connecting ring and the fixed frame are combined, the handle is pulled to drive the limiting block and the pull rod to move, the pull rod moves while the connecting ring is installed in the fixed frame, the pull rod drives the movable plate to extrude the spring while moving, the handle is released after the connecting ring is installed in the fixed frame, the pull rod is limited in the connecting hole in the connecting ring by the elastic force of the spring, thereby connecting and fastening the two heat preservation pipes, the installation speed is improved, the installation connecting structure is simple, convenient and reliable, the connecting ring and the fixed frame, after two groups of heat preservation pipes are installed and fixed, the elastic sealing ring arranged outside the connecting ring improves the sealing effect of the connecting part of the two groups of heat preservation pipes.

[0016] 2. In the utility model, the first ring block and the second ring block are additionally arranged on the basis of the original foundation protection, one layer of protection is added, the heat preservation pipe has better corrosion resistance, the first ring block is installed in the insertion slot in the second ring block through the insertion block, the two ring blocks are limited and fixed through the limiting piece, the first convex ring is used for lapping the heat shrinkable tape, the second convex ring is used for lapping the electric heat melting sleeve, the electric heat melting sleeve is fixed, the heat preservation layer is poured, and finally one layer of electric heat melting sleeve is lapped outside the two ring blocks, so that two layers of protection are achieved, and the heat preservation pipe has stronger protection performance. DRAWINGS

[0017] Figure 1 The utility model provides a three-dimensional view of a self-tightening heat preservation pipe joint connecting heat preservation pipe joint;

[0018] Figure 2 Part structure diagram of self-tight type heat preservation pipe joint connecting heat preservation pipe of the utility model is provided with fixed frame 1, rotating groove 2, movable groove 3, limiting block 4, handle 5, spring 6, movable plate 7, connecting ring 8, connecting hole 9, elastic sealing ring 10, pull rod 11, heat preservation protective layer 12, first heat preservation pipe 13, second heat preservation pipe 14, first ring block 15, second ring block 16, first convex ring 17, second convex ring 18, plug-in groove 19, plug-in block 20, first limiting hole 21, second limiting hole 22 and rubber strip 23.

[0019] Figure 3 Part structure section view of self-tight type heat preservation pipe joint connecting heat preservation pipe of the utility model is provided with fixed frame 1, rotating groove 2, movable groove 3, limiting block 4, handle 5, spring 6, movable plate 7, connecting ring 8, connecting hole 9, elastic sealing ring 10, pull rod 11, heat preservation protective layer 12, first heat preservation pipe 13, second heat preservation pipe 14, first ring block 15, second ring block 16, first convex ring 17, second convex ring 18, plug-in groove 19, plug-in block 20, first limiting hole 21, second limiting hole 22 and rubber strip 23.

[0020] Figure 4 For Figure 3 Enlarged view at A in Figure.

[0021] Legend:

[0022] 1, fixed frame; 2, rotating groove; 3, movable groove; 4, limiting block; 5, handle; 6, spring; 7, movable plate; 8, connecting ring; 9, connecting hole; 10, elastic sealing ring; 11, pull rod; 12, heat preservation protective layer; 13, first heat preservation pipe; 14, second heat preservation pipe; 15, first ring block; 16, second ring block; 17, first convex ring; 18, second convex ring; 19, plug-in groove; 20, plug-in block; 21, first limiting hole; 22, second limiting hole; 23, rubber strip. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Reference Figure 1 , Figure 3 and Figure 4The utility model provides a kind of embodiment provided by the utility model: self-tight type heat preservation pipe joint connecting heat preservation pipe fittings, including heat preservation protective layer 12, the right side of left heat preservation protective layer 12 is provided with first heat preservation pipe 13, the left side of right heat preservation protective layer 12 is provided with second heat preservation pipe 14, the left side of second heat preservation pipe 14 is fixedly connected with fixed frame 1, rotating groove 2 is arranged in the inside of fixed frame 1, movable slot 3 is arranged in the inside of fixed frame 1, movable slot 3 is communicated with rotating groove 2, the inside of rotating groove 2 is provided with limit block 4, handle 5 is fixedly connected outside limit block 4, the inboard of limit block 4 is fixedly connected with pull rod 11, pull rod 11 is fixedly connected with movable plate 7 outside, movable plate 7 is slidably connected in the inside of movable slot 3, one side of movable plate 7 is fixedly connected with spring 6, the other end of spring 6 is fixedly connected in the inboard of movable slot 3, the right side of first heat preservation pipe 13 is fixedly connected with installation component, installation component is used between two groups of heat preservation pipe installation, installation component includes connecting ring 8, connecting ring 8 is fixedly connected in the right side of first heat preservation pipe 13, connecting ring 8 is arranged in the inside of fixed frame 1, connecting hole 9 is arranged outside connecting ring 8, pull rod 11 is arranged in the inside of connecting hole 9, elastic sealing ring 10 is fixedly connected outside connecting ring 8.

[0025] Connecting ring 8 and fixed frame 1 are combined, by pulling handle 5, limit block 4 and pull rod 11 are moved, pull rod 11 is moved, connecting ring 8 is installed in the inside of fixed frame 1, pull rod 11 is moved, movable plate 7 is extruded spring 6, when connecting ring 8 is installed in the inside of fixed frame 1, handle 5 is loosened, pull rod 11 is limited in connecting hole 9 in the inside of connecting ring 8 by the elastic force of spring 6, so that two heat preservation pipes are connected and fastened, the setting of elastic sealing ring 10 makes that two groups of heat preservation pipe heat preservation sealing effect is better.

[0026] Refer to Figure 1 And Figure 2 The inside of first ring block 15 is fixedly connected with first convex ring 17, the inside of second ring block 16 is fixedly connected with first convex ring 17, the inside of first convex ring 17 is fixedly connected with second convex ring 18, the both sides of the bottom of first ring block 15 are fixedly connected with insertion block 20, first limit hole 21 is arranged in the inside of insertion block 20.

[0027] The first ring block 15 and the second ring block 16 are added, one layer of protection is increased, the heat preservation pipe has better waterproof and corrosion resistance, the first ring block 15 is installed in the plug-in groove 19 in the second ring block 16 through the plug-in block 20, and the two groups of ring blocks are fixed and limited through the limiting piece, the setting of the two groups of ring blocks makes the heat preservation pipe have stronger protection performance, the first convex ring 17 is used for lapping the heat shrinkable tape, the second convex ring 18 is used for lapping the electric heating sleeve, the electric heating sleeve is fixed through the electric heating wire mesh, the stable position is ensured, uniform heating is provided, the electric heating sleeve is uniformly melted under the action of heat, the heat shrinkable tape is wrapped outside the electric heating sleeve, can shrink and closely fit in the heating process, so that the fixing property and the sealing property of the electric heating sleeve are enhanced.

[0028] With reference to Figure 2 The plug-in groove 19 is embedded with the plug-in block 20, the second ring block 16 is externally provided with the second limiting hole 22 corresponding to the first limiting hole 21, the fastener is connected through the second limiting hole 22 and the first limiting hole 21, so that the second ring block 16 and the first ring block 15 are fixedly connected, the inner side of the first ring block 15 and the second ring block 16 is fixedly connected with the rubber strip 23, and the rubber strip 23 is used for providing axial compensation.

[0029] The plug-in groove 19 and the plug-in block 20 cooperate to fixedly install the two groups of ring blocks, the two groups of limiting holes are used for limiting the two groups of ring blocks, the rubber strip 23 is arranged along the axial direction of the heat preservation pipe, and plays a certain axial compensation role; the elasticity and flexibility of the rubber strip 23 allow it to appropriately stretch and shrink when the heat preservation pipe expands or shrinks due to temperature change, so that the stress and deformation caused by thermal expansion and cold shrinkage are reduced, the setting helps to reduce stress concentration of the pipeline system, prevents pipeline damage or heat preservation layer damage caused by temperature fluctuation, and improves the durability and stability of the system.

[0030] Working principle: when using the device, the connecting ring 8 and the fixed frame 1 are combined, the handle 5 is pulled, the limiting block 4 is moved with the pull rod 11, the pull rod 11 is moved at the same time, the connecting ring 8 is installed in the inside of the fixed frame 1, the pull rod 11 moves at the same time and drives the movable plate 7 to extrude the spring 6, when the connecting ring 8 is installed in the inside of the fixed frame 1, the handle 5 is loosened, the pull rod 11 is limited in the connecting hole 9 in the inside of the connecting ring 8 through the elastic force of the spring 6, so as to connect and fasten the two heat preservation pipes, welding is not needed in construction, the installation speed is improved, the installation connection structure is simple, convenient and reliable, on the basis of the original foundation protection, a layer of protection is added, so that the heat preservation pipe has better corrosion resistance, the first ring block 15 is installed in the plug-in groove 19 in the inside of the second ring block 16 through the plug-in block 20, then the two groups of ring blocks are limited and fixed through the limiting piece, the first convex ring 17 is used for lapping the heat shrinkable tape, the second convex ring 18 is used for lapping the electric heating sleeve, the electric heating sleeve is fixed through the electric heating wire mesh, the stable position is ensured, and uniform heating is provided, so that the sleeve is uniformly melted under the action of heat, the heat shrinkable tape is wrapped outside the electric heating sleeve, can shrink and tightly fit in the heating process, so as to enhance the fixing property and sealing property of the sleeve, after the electric heating sleeve is fixed, the existing technology is used to pour the heat preservation layer, finally, another layer of electric heating sleeve is lapped outside the two groups of ring blocks, two layers of protection are achieved, so that the heat preservation pipe has stronger protection performance.

[0031] Finally, it should be noted that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A self-tightening insulation pipe joint for connecting insulation pipe fittings, comprising an insulation protection layer (12), characterized in that: The right side of the left heat preservation layer (12) is provided with a first heat preservation pipe (13), and the left side of the right heat preservation layer (12) is provided with a second heat preservation pipe (14), the left side of the second heat preservation pipe (14) is fixedly connected with a fixed frame (1), a rotating groove (2) is arranged in the fixed frame (1), a movable groove (3) is arranged in the fixed frame (1), the movable groove (3) is communicated with the rotating groove (2), a limiting block (4) is arranged in the rotating groove (2), a handle (5) is fixedly connected to the outside of the limiting block (4), a pull rod (11) is fixedly connected to the inner side of the limiting block (4), a movable plate (7) is fixedly connected to the outside of the pull rod (11), the movable plate (7) is slidably connected in the movable groove (3), a spring (6) is fixedly connected to one side of the movable plate (7), the other end of the spring (6) is fixedly connected to the inner side of the movable groove (3), and the right side of the first heat preservation pipe (13) is fixedly connected with a mounting assembly.

2. The self-tightening insulation pipe joint of claim 1, wherein: The mounting assembly comprises a connecting ring (8), the connecting ring (8) is fixedly connected to the right side of the first heat preservation pipe (13), the connecting ring (8) is arranged in the fixed frame (1), a connecting hole (9) is formed in the outer side of the connecting ring (8), and the pull rod (11) is arranged in the connecting hole (9).

3. The self-tightening insulation-pipe-joint connection insulation-pipe fitting of claim 1, wherein: The outer sides of the first heat preservation pipe (13) and the second heat preservation pipe (14) are provided with first ring blocks (15) and second ring blocks (16) connected with each other.

4. The self-tightening insulation-pipe-joint connection insulation-pipe fitting of claim 3, wherein: The inner side of the first ring block (15) is fixedly connected with a first convex ring (17), the inner side of the second ring block (16) is fixedly connected with a first convex ring (17), and the inner side of the first convex ring (17) is fixedly connected with a second convex ring (18).

5. The self-tightening insulation-pipe-joint connection for insulating pipe according to claim 3, characterized in that: The bottom sides of the first ring block (15) are fixedly connected with plug-in blocks (20), and the first limiting holes (21) are formed in the plug-in blocks (20).

6. The self-tightening insulation pipe joint of claim 5, wherein: The second ring blocks (16) are all provided with plug-in grooves (19) corresponding to the plug-in blocks (20), and the plug-in grooves (19) are embedded with the plug-in blocks (20).

7. The self-tightening insulation pipe joint of claim 5, wherein: The outer sides of the second ring blocks (16) are all provided with second limiting holes (22) corresponding to the first limiting holes (21).

8. The self-tightening insulation pipe joint of claim 3, wherein: The inner sides of the first ring blocks (15) and the second ring blocks (16) are all fixedly connected with rubber strips (23), and the rubber strips (23) are used for providing axial compensation.