Waterproof directly-buried thermal insulation pipe
By designing multi-layer waterproof components on the outside of the direct buried insulation pipe, the problem of insufficient waterproofness of the existing direct buried insulation pipe is solved, and higher waterproofness and longer service life are achieved.
Patent Information
- Application Number
- CN202421541949.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing direct-buried insulation pipe has low water resistance and lacks multi-layer composite waterproofing measures, which leads to prone to waterproof failure during long-term use, resulting in economic losses.
A waterproof direct buried insulation pipe is designed, including an inner pipe and a multi-layer waterproof assembly arranged outside the inner pipe. The waterproof component consists of an inner waterproof layer, a middle waterproof layer and an outer waterproof layer. The inner waterproof layer and the middle waterproof layer are wound around by a waterproof line. The outer waterproof layer is made of waterproof fabric and wear-resistant material.
Through multi-layer composite waterproofing measures, the waterproofness of the direct buried insulation pipe is significantly improved, the service life is extended, and the possibility of waterproof failure and economic losses are reduced.
Smart Images

Figure CN222650865U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermal insulation pipe equipment, in particular to a waterproof directly buried thermal insulation pipe. Background Art
[0002] The insulation structure of steel-jacketed composite insulated pipe can be divided into two categories according to the different sliding modes: internal sliding type: the insulation structure consists of a working steel pipe, aluminum silicate, drag reduction layer, microporous calcium silicate, thermal insulation layer, stainless steel fastening steel belt, aluminum foil reflective layer, polyurethane insulation layer, outer jacket steel pipe, and outer anti-corrosion layer. The internal sliding insulated steel pipe is composed of a steel pipe for conveying medium + composite silicate or microporous calcium silicate + hard polyurethane foam + outer jacket steel pipe + glass fiber reinforced plastic shell anti-corrosion protection layer structure. The insulation treatment technology of various pipe fittings nodes is mature and the quality is reliable. External sliding type: the insulation structure consists of a working steel pipe, glass wool thermal insulation layer, aluminum foil reflective layer, stainless steel fastening steel belt, sliding guide bracket, air insulation layer, outer protective steel pipe, and outer anti-corrosion layer.
[0003] Patent No. CN218564770U The utility model discloses a waterproof, anti-corrosion and heat-insulating pipe shell, including a protective pipe body, a support limit block and a compression connection assembly, wherein the support limit block is arranged in the middle of the protective pipe body, and the support limit blocks are arranged at equal intervals, and the support limit blocks arranged at equal intervals are arranged in a ring shape, and the compression connection assembly is plugged and arranged at both ends of the protective pipe body, and the compression connection assembly is symmetrically arranged, and the compression connection assembly includes a positioning sleeve, a connecting pipe, an outer pipe head and a clamping connection plate. The utility model belongs to the technical field of heat-insulating pipe shells, specifically a waterproof, anti-corrosion and heat-insulating pipe shell with a simple structure, which is easy to install on the outside of the pipeline to protect the pipeline, has strong sealing at the port connection, and has the functions of protection and heat insulation inside. At the same time, the externally wound and fixed clamping connection plate and the clamping groove between the positioning sleeve clamp the protective pipe body, so that the internal pipeline is not affected by the external environment.
[0004] However, there are some problems in the use of existing direct-buried insulated pipes. The direct-buried insulated pipes currently on the market have low waterproof properties and lack a multi-layer composite waterproofing measure, which makes it easy for waterproofing to fail during long-term use, causing economic losses. Utility Model Content
[0005] The utility model aims to provide a waterproof direct-buried thermal insulation pipe to solve the problems raised in the above-mentioned background technology.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: comprising an inner tube and a waterproof component arranged outside the inner tube;
[0007] The waterproof component includes an inner waterproof layer which is sleeved and connected to the outer side of the inner tube surface, a middle waterproof layer which is sleeved and connected to the outer side of the inner waterproof layer, an outer waterproof layer which is sleeved and connected to the outer side of the middle waterproof layer, the inner waterproof layer and the middle waterproof layer are internally interwoven and wound, and the inner tube is waterproofly protected by the outer waterproof layer, the middle waterproof layer and the inner waterproof layer.
[0008] Preferably, a connection port is provided at one end of the inner tube, and the connection port is polygonal.
[0009] Preferably, the connection ports are multiple and distributed in an array on the top of the inner tube.
[0010] Preferably, the other end of the inner tube is fixedly connected with a connector, and the connector is polygonal.
[0011] Preferably, the connectors are multiple and distributed in an array at the bottom of the inner tube, and the connection port is cooperatively connected with the connector.
[0012] Preferably, an inner groove is formed on the outer side of one end of the inner tube.
[0013] Preferably, a clamping tube is embedded and connected to the outer side of the other end of the inner tube, and the clamping tube is connected in a fitting manner inside the inner groove.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model: when in use, the inner waterproof layer and the middle waterproof layer are connected and adhered to each other through the internal waterproof line to form a combined waterproof layer, wherein the inner waterproof layer and the middle waterproof layer are made of waterproof cloth and polyurethane waterproof coating, and the two-layer waterproof layer increases the waterproof protection of the inner pipe, and the outer waterproof layer is composed of waterproof cloth and wear-resistant material, and the wear-resistant material of the outer waterproof layer increases the corrosion resistance of the whole after burial, thereby reducing the damage of erosion, increasing the service life, and increasing the overall waterproof time, reducing the damage to the inner waterproof layer and the middle waterproof layer, and then the direct buried thermal insulation pipe has higher waterproofness and has a multi-layer composite waterproof measure, so that it is not easy to have waterproof failure during long-term use, thereby reducing economic losses. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;
[0017] Figure 2 This is a schematic diagram of the waterproof component structure of an embodiment of the utility model;
[0018] Figure 3 This is a schematic diagram of the connector structure of an embodiment of the utility model.
[0019] In the figure: 1, inner tube; 2, connection port; 3, inner groove; 401, outer waterproof layer; 402, middle waterproof layer; 403, inner waterproof layer; 5, connector; 6, clamping tube. DETAILED DESCRIPTION
[0020] In order to facilitate the problem to be solved, the embodiment of the utility model provides a waterproof direct-buried thermal insulation pipe. The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.
[0021] Example
[0022] See also Figure 1-3 This embodiment provides an inner tube 1 and a waterproof component arranged on the outer side of the inner tube 1, the waterproof component includes an inner waterproof layer 403 sleeved and connected to the outer side of the surface of the inner tube 1, the outer side of the inner waterproof layer 403 is sleeved and connected to the middle waterproof layer 402, the outer side of the middle waterproof layer 402 is sleeved and connected to the outer waterproof layer 401, the inner waterproof layer 403 and the middle waterproof layer 402 are intertwined and wound inside, and the inner tube 1 is waterproofed by the outer waterproof layer 401, the middle waterproof layer 402 and the inner waterproof layer 403.
[0023] In this embodiment, a connection port 2 is provided at one end of the inner tube 1. The connection port 2 is polygonal. There are multiple connection ports 2 and they are distributed in an array at the top of the inner tube 1. A connection head 5 is fixedly connected to the other end of the inner tube 1. The connection head 5 is polygonal. There are multiple connection heads 5 and they are distributed in an array at the bottom of the inner tube 1. The connection port 2 is connected to the connection head 5. An inner groove 3 is provided on the outer side of one end of the inner tube 1. A clamping tube 6 is embedded and connected on the outer side of the other end of the inner tube 1. The clamping tube 6 is connected to the inner groove 3. The connection port 2 and the inner groove 3 provided on the top of the inner tube 1 are connected through the connection head 5 and the clamping tube 6 fixedly connected to one end of the other inner tube 1, so as to increase the tightness of the connection, reduce the possibility of falling off, and increase the waterproofness of the connection point through the connection of the clamping tube 6.
[0024] When in use, the inner waterproof layer 403 and the middle waterproof layer 402 are connected and adhered to each other through internal waterproof lines to form a combined waterproof layer. The inner waterproof layer 403 and the middle waterproof layer 402 are made of waterproof cloth and polyurethane waterproof coating. The two-layer waterproof layer increases the waterproof protection of the inner tube 1. The outer waterproof layer 401 is composed of waterproof cloth and wear-resistant material. The wear-resistant material of the outer waterproof layer 401 increases the overall corrosion resistance after burial, thereby reducing erosion damage, increasing service life, and increasing the overall waterproof time, reducing damage to the inner waterproof layer 403 and the middle waterproof layer 402. As a result, the direct-buried insulation pipe has higher waterproofness and has a multi-layer composite waterproof measure, so that it is not easy to fail in waterproofing during long-term use, thereby reducing economic losses.
[0025] Although 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A waterproof direct buried thermal insulation pipe, characterized in that: It comprises an inner tube (1) and a waterproof component arranged outside the inner tube (1); The waterproof component comprises an inner waterproof layer (403) sleeved and connected to the outer side of the surface of the inner tube (1); the outer side of the inner waterproof layer (403) is sleeved and connected to a middle waterproof layer (402); the outer side of the middle waterproof layer (402) is sleeved and connected to an outer waterproof layer (401); the inner waterproof layer (403) and the middle waterproof layer (402) are intertwined and wound inside, and the inner tube (1) is waterproofed and protected by the outer waterproof layer (401), the middle waterproof layer (402) and the inner waterproof layer (403).
2. The waterproof direct-buried thermal insulation pipe according to claim 1, characterized in that: A connection opening (2) is provided at one end of the inner tube (1), and the connection opening (2) is polygonal.
3. A waterproof direct buried thermal insulation pipe according to claim 2, characterized in that: The connection ports (2) are multiple and distributed in an array on the top of the inner tube (1).
4. A waterproof direct buried thermal insulation pipe according to claim 3, characterized in that: The other end of the inner tube (1) is fixedly connected to a connector (5), and the connector (5) is polygonal.
5. The waterproof direct-buried thermal insulation pipe according to claim 4, characterized in that: The connectors (5) are multiple and distributed in an array at the bottom of the inner tube (1), and the connectors (5) are cooperatively connected inside the connection port (2).
6. The waterproof direct-buried thermal insulation pipe according to claim 1, characterized in that: An inner groove (3) is formed on the outer side of one end of the inner tube (1).
7. The waterproof direct-buried thermal insulation pipe according to claim 6, characterized in that: A clamping tube (6) is embedded and connected to the outside of the other end of the inner tube (1), and the clamping tube (6) is connected in a matching manner inside the inner groove (3).
Citation Information
Patent Citations
Waterproof anti-corrosion heat preservation pipe shell
CN218564770U