Resealing structure for hot melting sleeve of central heating pipeline interface

Abstract

The utility model discloses a central heating pipeline connector hot melting sleeve re-sealing structure which comprises a hot melting sleeve body, a filling part and an extension part are arranged on the hot melting sleeve body, the filling part is located between two sets of heat preservation layers, the extension part is located on the outer sides of the heat preservation layers, an inner groove is formed in the extension part, and the heat preservation layers extend into the inner groove and make contact with the filling part. A second electric heating part is installed on the inner bottom wall of the inner groove, and a first electric heating part is installed on the inner side wall of the inner groove. The beneficial effects of the utility model are that the filling part and the side surface of the thermal insulation layer can be subjected to hot melting through the second electric heating part arranged in the inner groove, the sealing performance between the filling part and the thermal insulation layer is improved, and meanwhile, the inner side of the extension part and the outer surface of the thermal insulation layer can be subjected to hot melting through the first electric heating part; the sealing performance of the heat preservation layer and the hot melting sleeve body is improved through two hot melting processes, gaps are prevented from being generated between the hot melting sleeve body and the pipelines, and the sealing performance of connectors between the heat distribution pipelines is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-melt sleeves, in particular to a hot-melt sleeve resealing structure for a central heating pipeline interface. Background Art

[0002] The joints of thermal pipes are mostly sealed with hot-melt sleeves. The hot-melt sleeves generally have a heating part that uses heating wire and high-temperature resistant wire, which is evenly wound around the outer wall of the pipe. It has good insulation, uniform thermal conductivity, and high-temperature resistance. High-quality insulation materials are used to ensure the insulation performance of the sleeve.

[0003] The joints between thermal pipes are sealed with hot-melt sleeves to prevent the polyurethane inner layer from aging due to long-term contact with the outside air. During the use of some existing hot-melt sleeves for thermal pipe interfaces, there is no support between the hot-melt sleeves and the insulation layer of the pipe side walls. The heating wire of the hot-melt sleeves may not be able to fully contact the pipe side walls during the hot-melt sealing process, resulting in insufficient hot-melt of some hot-melt sleeves, resulting in gaps between the hot-melt sleeves and the thermal pipes, and the sealing between the thermal pipes cannot be guaranteed. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of some existing hot melt sleeves for thermal pipe interfaces in the prior art, in which there is no support between the hot melt sleeves and the side walls of the pipes during use, and the heating wire of the hot melt sleeves may not be able to fully contact the side walls of the pipes during the hot melt sealing process, resulting in insufficient hot melting of some hot melt sleeves, resulting in gaps between the hot melt sleeves and the thermal pipes, and the sealing between the thermal pipes cannot be guaranteed. A re-sealing structure for the hot melt sleeves at the interfaces of centralized heating pipes is provided.

[0005] The purpose of the utility model is achieved through the following technical solutions: a hot-melt sleeve re-sealing structure for a centralized heating pipeline interface, comprising a hot-melt sleeve body, a filling part and an extension part are arranged on the hot-melt sleeve body, the filling part is located between two groups of thermal insulation layers, the extension part is located on the outside of the thermal insulation layer, an inner groove is arranged on the extension part, the thermal insulation layer extends into the inner groove and contacts with the filling part, a second electric heating part is installed on the inner bottom wall of the inner groove, and a first electric heating part is installed on the inner side wall of the inner groove, by arranging the second electric heating part in the inner groove, the filling part and the side of the thermal insulation layer can be hot-melted, thereby improving the sealing between the filling part and the thermal insulation layer, and at the same time, the first electric heating part is arranged to hot-melt the inner side of the extension part with the outer surface of the thermal insulation layer, and two hot-melts are used to improve the sealing between the thermal insulation layer and the hot-melt sleeve body, avoid the generation of a gap between the hot-melt sleeve body and the pipeline, and ensure the sealing of the interface between the thermal pipelines.

[0006] A further technical solution is that the second electric heating part is in contact with the side surfaces of the filling part and the insulation layer respectively. By arranging the second electric heating part to be in contact with the side surfaces of the filling part and the insulation layer respectively, the side surfaces of the filling part and the insulation layer can be heated and fused, thereby improving the hot melt efficiency.

[0007] A further technical solution is that the first electric heating part is in contact with the inner surface of the extension part and the outer surface of the insulation layer respectively. By arranging the first electric heating part in contact with the inner surface of the extension part and the outer surface of the insulation layer respectively, the inner surface of the extension part and the outer surface of the insulation layer can be heated and fused, thereby improving the hot melt efficiency.

[0008] A further technical solution is that the first electric heating part includes multiple groups of second electric heating wires arranged at equal distances, and the second electric heating wires are arranged in a ring shape. By arranging multiple groups of second electric heating wires in a ring shape, multiple groups of hot melt layers can be formed between the extension part and the thermal insulation layer, thereby effectively improving the sealing effect between the extension part and the thermal insulation layer.

[0009] A further technical solution is that the second electric heating part includes a plurality of groups of first electric heating wires, and the plurality of groups of first electric heating wires are arranged in a circular array about the pipeline.

[0010] A further technical solution is that a power interface is installed on the hot melt sleeve body, and the power interface is electrically connected to the first electric heating part and the second electric heating part respectively. By setting the power interface, the hot melt sleeve body can be easily connected to an external power source for heating operations.

[0011] The utility model has the following advantages: the utility model can heat-melt the filling part and the side of the insulation layer by arranging the second electric heating part in the inner groove, thereby improving the sealing between the filling part and the insulation layer; at the same time, the first electric heating part is arranged to heat-melt the inner side of the extension part and the outer surface of the insulation layer; two hot-melts are used to improve the sealing of the insulation layer and the hot-melt sleeve body, avoid the generation of a gap between the hot-melt sleeve body and the pipeline, and ensure the sealing of the interface between the thermal pipelines; by arranging multiple groups of second electric heating wires in a ring shape, multiple groups of hot-melt layers can be formed between the extension part and the insulation layer, thereby effectively improving the sealing effect between the extension part and the insulation layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the installation structure of the utility model;

[0013] Figure 2 It is a schematic diagram of a top view and cross-section structure of the utility model;

[0014] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0015] In the figure, 1, hot melt sleeve body; 2, filling part; 3, extension part; 4, pipeline; 5, insulation layer; 6, inner groove; 7, first electric heating part; 8, second electric heating part; 9, power supply interface; 10, first electric heating wire; 11, second electric heating wire. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figures 1 to 3 As shown, the hot-melt sleeve resealing structure of the central heating pipeline interface includes a hot-melt sleeve body 1, a filling part 2 and an extension part 3 are arranged on the hot-melt sleeve body 1, the filling part 2 is located between two groups of thermal insulation layers 5, the extension part 3 is located on the outside of the thermal insulation layer 5, an inner groove 6 is arranged on the extension part 3, the thermal insulation layer 5 extends into the inner groove 6 and contacts with the filling part 2, a second electric heating part 8 is installed on the inner bottom wall of the inner groove 6, and a first electric heating part 7 is installed on the inner side wall of the inner groove 6, and the filling part 2 and the second electric heating part 8 can be arranged in the inner groove 6. The side of the thermal insulation layer 5 is heat-melted to improve the sealing between the filling part 2 and the thermal insulation layer 5. At the same time, the first electric heating part 7 is arranged to heat-melt the inner side of the extension part 3 with the outer surface of the thermal insulation layer 5. Two hot melts are used to improve the sealing of the thermal insulation layer 5 and the hot melt sleeve body 1, avoid the formation of a gap between the hot melt sleeve body 1 and the pipeline 4, and ensure the sealing of the interface between the thermal pipelines. The second electric heating part 8 is in contact with the side of the filling part 2 and the thermal insulation layer 5 respectively. By setting the second electric heating part 8 to contact the filling part 2 and the thermal insulation layer 5 respectively The side contact can make the sides of the filling part 2 and the insulation layer 5 heated and fused, thereby improving the heat melting efficiency. The first electric heating part 7 is in contact with the inner surface of the extension part 3 and the outer surface of the insulation layer 5 respectively. By setting the first electric heating part 7 to be in contact with the inner surface of the extension part 3 and the outer surface of the insulation layer 5 respectively, the inner surface of the extension part 3 and the outer surface of the insulation layer 5 can be heated and fused, thereby improving the heat melting efficiency. The first electric heating part 7 includes a plurality of groups of second electric heating wires 11 arranged at equal distances. The second electric heating wires 11 are arranged in a ring shape. By setting a plurality of groups of second electric heating wires 11, The two electric heating wires 11 are arranged in a ring shape, which can form multiple groups of hot melt layers between the extension part 3 and the insulation layer 5, thereby effectively improving the sealing effect between the extension part 3 and the insulation layer 5. The second electric heating part 8 includes multiple groups of first electric heating wires 10, and the multiple groups of first electric heating wires 10 are arranged in a circular array about the pipeline 4. A power interface 9 is installed on the hot melt sleeve body 1, and the power interface 9 is electrically connected to the first electric heating part 7 and the second electric heating part 8 respectively. By setting the power interface 9, the hot melt sleeve body 1 can be easily connected to an external power supply for heating operation.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot melt sleeve resealing structure for a central heating pipe interface, comprising a hot melt sleeve body (1), characterized in that: The hot melt sleeve body (1) is provided with a filling portion (2) and an extension portion (3), the filling portion (2) is located between two groups of thermal insulation layers (5), the extension portion (3) is located on the outside of the thermal insulation layer (5), an inner groove (6) is provided on the extension portion (3), the thermal insulation layer (5) extends into the inner groove (6) and contacts the filling portion (2), a second electric heating portion (8) is installed on the inner bottom wall of the inner groove (6), and a first electric heating portion (7) is installed on the inner side wall of the inner groove (6).

2. The hot melt sleeve resealing structure for the central heating pipe interface according to claim 1 is characterized in that: The second electric heating portion (8) is in contact with the side surfaces of the filling portion (2) and the thermal insulation layer (5), respectively.

3. The hot-melt sleeve resealing structure for the central heating pipe interface according to claim 1 is characterized in that: The first electric heating portion (7) is in contact with the inner surface of the extension portion (3) and the outer surface of the thermal insulation layer (5) respectively.

4. The hot-melt sleeve resealing structure for the central heating pipe interface according to claim 1 is characterized in that: The first electric heating part (7) comprises a plurality of groups of second electric heating wires (11) arranged at equal distances, and the second electric heating wires (11) are arranged in a ring shape.

5. The hot-melt sleeve resealing structure for the central heating pipe interface according to claim 1 is characterized in that: The second electric heating portion (8) comprises a plurality of groups of first electric heating wires (10), and the plurality of groups of first electric heating wires (10) are arranged in a circular array with respect to the pipeline (4).

6. The hot melt sleeve resealing structure for the central heating pipe interface according to claim 1, characterized in that: A power interface (9) is installed on the hot melt sleeve body (1), and the power interface (9) is electrically connected to the first electric heating part (7) and the second electric heating part (8) respectively.

Images