Novel thermal insulation pipe fitting
By introducing a composite sleeve and tensile steel wire mesh structure into the steam insulation pipe, the problems of time-consuming and laborious dismantling of the steam insulation pipe and the decline in insulation effect in the existing technology are solved, realizing rapid dismantling and replacement, and improving the pipe strength and insulation effect.
Patent Information
- Application Number
- CN202422255426.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Existing steam insulation pipes need to be completely removed and replaced when they become moldy or cracked, which is time-consuming and labor-intensive, and the insulation effect decreases after long-term use.
The composite sleeve structure, including a reinforced inner lining plate and a heat insulation sleeve, combined with tensile steel wire mesh and rock wool layer, allows for quick disassembly and replacement of the insulation structure through the interlocking design of limiting protrusions and guide grooves, and is fixed with flame retardant adhesive to rubber tubes.
This improved the strength and insulation effect of the pipe body, prevented the insulation effect from decreasing due to cracking, enabled rapid replacement, and increased the service life and strength of the insulation sleeve.
Smart Images

Figure CN223825889U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thermal insulation pipe technology, specifically to a novel thermal insulation pipe fitting. Background Technology
[0002] Steam insulation pipe is a type of pipe that transmits steam. It keeps the steam warm during the transmission process and reduces the loss of steam temperature. Pre-insulated direct-buried pipe is a type of pipe that is pre-insulated and then buried directly underground.
[0003] In the prior art, application number 202021702821.7 discloses a novel prefabricated direct-buried steam insulation pipe fitting, including a pipe fitting body, an insulation layer fixedly connected to the outer circumference of the pipe fitting body, a working pipe fitted onto the outer circumference of the insulation layer, a cavity provided inside the outer wall of the working pipe, multiple sets of water passage holes opened on the inner wall of the working pipe, multiple sets of through holes opened on the outer wall of the working pipe, a support pipe fixedly connected to the inner wall of each through hole, a sealing gasket provided on the inner wall of each water passage hole, a transition plate fixedly connected to the end of each sealing gasket away from the insulation layer, a spring fixedly connected to the end of each transition plate away from the insulation layer, a limit ring fixedly connected to the end of each spring away from the insulation layer, the outer circumference of the limit ring and the inner wall of the support pipe fixedly connected, and drainage pipes provided on the upper and lower sides of the pipe fitting body; the above device has an integrated insulation structure, and when the insulation structure becomes moldy, cracked, or damaged, the entire pipe fitting needs to be disassembled and replaced, which is time-consuming and labor-intensive.
[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0005] In view of the problems in the related technologies, this utility model proposes a new type of thermal insulation pipe fitting to overcome the above-mentioned technical problems existing in the existing related technologies.
[0006] Therefore, the specific technical solution adopted by this utility model is as follows:
[0007] A novel thermal insulation pipe fitting includes a pipe fitting body, an insulation layer pipe sleeved on the outer wall of the pipe fitting body, an installation end connected to one end of the insulation layer pipe, the installation end being fixedly connected to the outer wall of one end of the pipe fitting body, the insulation layer pipe including a pipe body and a sealing end, one end of the pipe body being fixedly connected to the sealing end.
[0008] Preferably, a composite sleeve is fixedly connected between the sealing ends. The composite sleeve includes a reinforcing inner liner and a heat insulation sleeve, with the heat insulation sleeve fixedly connected to the outer wall of the reinforcing inner liner.
[0009] Preferably, the outer wall of the heat insulation sleeve is fixedly connected with the inner wall of the pipe body, the hole diameter of the heat insulation sleeve is equal to the hole diameter of the sealing end and smaller than the hole diameter of the pipe body.
[0010] Preferably, mounting bolts are arranged on the outer wall of the mounting end in an annular and equidistant manner, limit screw holes are arranged on the edge of the outer wall of the heat insulation layer pipe in an equidistant manner, and the mounting bolts are threadedly connected with the limit screw holes.
[0011] Preferably, a mounting pipe is fixedly connected to the inner wall of the heat insulation layer pipe, a heat insulation sleeve pipe is connected to the inside of the mounting pipe, guide grooves are arranged on the inner wall of the mounting pipe in an equidistant manner, and limit protrusions are arranged on the outer wall of the heat insulation sleeve pipe in an equidistant manner and movably embedded in the guide grooves.
[0012] Preferably, the heat insulation sleeve pipe comprises a tensile steel wire mesh and a rock wool layer, the tensile steel wire mesh is fixedly wrapped on the outer wall of the rock wool layer, a fire-retardant adhesive is fixedly connected to the inner wall of the rock wool layer, and a fire-retardant rubber pipe is fixedly connected to the inside of the fire-retardant adhesive.
[0013] The pipe body can be prevented from being broken during use, the heat insulation effect of the pipe body can be improved under the action of the heat insulation sleeve pipe, the heat insulation sleeve pipe and the heat insulation layer pipe can be quickly disassembled, the heat insulation structure in the pipe body can be prevented from being broken after long-time use, the heat insulation structure can be replaced in time, the practicability is further improved, the strength of the heat insulation sleeve pipe is improved, the rock wool layer is fixedly bonded to the fire-retardant rubber pipe through the fire-retardant adhesive, and the heat insulation effect of the heat insulation sleeve pipe is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below only show some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0015] Figure 1 is a general structure schematic diagram of a novel heat insulation pipe according to an embodiment of the present application;
[0016] Figure 2 is an internal structure schematic diagram of a novel heat insulation pipe according to an embodiment of the present application;
[0017] Figure 3 is a structure schematic diagram of a novel heat insulation pipe according to an embodiment of the present application;
[0018] Figure 4It is a structure schematic view of a novel heat preservation pipe fitting according to the embodiment of the utility model.
[0019] Figure 5 It is a cross section structure schematic view of a novel heat preservation pipe fitting according to the embodiment of the utility model.
[0020] In the drawing,
[0021] 1, pipe fitting main body, 2, heat preservation layer pipe, 3, installation end, 4, pipe body, 5, sealing end, 6, composite sleeve, 7, reinforcing inner lining plate, 8, heat insulation sleeve, 9, mounting bolt, 10, limiting screw hole, 11, installation pipe, 12, heat preservation sleeve, 13, guide groove, 14, tensile steel wire mesh, 15, rock wool layer, 16, fire-retardant adhesive, 17, fire-retardant rubber pipe, 18, limiting protrusion. Specific implementation
[0022] To further illustrate various embodiments, the utility model provides with drawings, these drawings are a part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperating with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.
[0023] According to the embodiment of the utility model, a novel heat preservation pipe fitting is provided. Embodiment one
[0024] As Figures 1-5 Indicated, according to the novel heat preservation pipe fitting of the embodiment of the utility model, including pipe fitting main body 1, pipe fitting main body 1 outer wall is set with heat preservation layer pipe 2, heat preservation layer pipe 2 one end is connected with installation end 3, installation end 3 fixedly connected on the outer wall of one end of pipe fitting main body 1, heat preservation layer pipe 2 includes pipe body 4, sealing end 5, pipe body 4 one end is fixedly connected with sealing end 5, and sealing end 5 is fixed with composite sleeve 6 between through, composite sleeve 6 includes reinforcing inner lining plate 7, heat insulation sleeve 8, heat insulation sleeve 8 is fixedly connected on the outer wall of reinforcing inner lining plate 7, and the outer wall of heat insulation sleeve 8 is fixedly connected with the inner wall of pipe body 4, the aperture of heat insulation sleeve 8 is equal to the aperture of sealing end 5, and less than the aperture of pipe body 4;
[0025] In the embodiment, composite sleeve 6 is composed of reinforcing inner lining plate 7 and heat insulation sleeve 8, reinforcing inner lining plate 7 can improve the strength of pipe body 4, avoid the rupture of pipe body 4 in the use process, and under the action of heat insulation sleeve 8, the heat preservation effect of pipe fitting main body 1 can be improved. Embodiment two
[0026] As Figures 1-5As shown, a novel thermal insulation pipe fitting according to an embodiment of the present utility model includes a pipe fitting body 1, a thermal insulation layer pipe 2 sleeved on the outer wall of the pipe fitting body 1, an installation end 3 connected to one end of the thermal insulation layer pipe 2, and the installation end 3 fixedly connected to the outer wall of one end of the pipe fitting body 1. The thermal insulation layer pipe 2 includes a pipe body 4 and a sealing end 5. One end of the pipe body 4 is fixedly connected to the sealing end 5. An installation bolt 9 is provided circumferentially through the outer wall of the installation end 3. Limiting screw holes 10 are provided at equal intervals on the edge of the outer wall of the thermal insulation layer pipe 2. The installation bolt 9 is threadedly connected to the limiting screw holes 10. An installation pipe 11 is fixedly connected to the inner wall of the thermal insulation layer pipe 2. A thermal insulation sleeve 12 is connected inside the installation pipe 11. A guide groove 13 is provided at equal intervals on the inner wall of the installation pipe 11. Limiting protrusions 18 are provided at equal intervals on the outer wall of the thermal insulation sleeve 12, and the limiting protrusions 18 are movably fitted with the guide grooves 13.
[0027] In this embodiment, the pipe body 4 is disposed on the outside of the main body 1 of the pipe fitting. One end of the pipe body 4 is attached to the inner side of the sealing end 5. Then, by screwing the mounting bolt 9, the mounting bolt 9 is connected and fixed to the limiting screw hole 10 on one end of the pipe body 4. The insulation sleeve 12 is fitted and connected to the guide groove 13 on the outer wall of the mounting pipe 11 through the limiting protrusion 18. The insulation sleeve 12 can be quickly separated from the interior of the insulation layer pipe 2, avoiding the situation where the insulation structure inside the pipe fitting breaks after long-term use, resulting in a decrease in insulation effect. The insulation structure can be replaced in time, and the practicality is further improved. Example 3
[0028] like Figures 1-5 As shown, a novel thermal insulation pipe fitting according to an embodiment of the present utility model includes a pipe fitting body 1, a thermal insulation layer pipe 2 sleeved on the outer wall of the pipe fitting body 1, an installation end 3 connected to one end of the thermal insulation layer pipe 2, the installation end 3 being fixedly connected to the outer wall of one end of the pipe fitting body 1, the thermal insulation layer pipe 2 including a pipe body 4 and a sealing end 5, one end of the pipe body 4 being fixedly connected to the sealing end 5, the thermal insulation sleeve 12 including a tensile steel wire mesh 14 and a rock wool layer 15, the tensile steel wire mesh 14 covering and fixedly fixed to the outer wall of the rock wool layer 15, a flame retardant adhesive 16 being fixedly connected to the inner wall of the rock wool layer 15, and a flame retardant rubber tube 17 being fixedly connected to the inner side of the flame retardant adhesive 16;
[0029] In this embodiment, under the action of the tensile steel wire mesh 14 and the rock wool layer 15, the tensile steel wire mesh 14 can improve the service life and strength of the insulation sleeve 12, and the rock wool layer 15 can be bonded and fixed to the flame-retardant rubber tube 17 through the flame-retardant adhesive 16, which can further improve the insulation effect of the insulation sleeve 12.
[0030] In summary, by means of the above technical scheme of the utility model, when the device is used, the composite sleeve 6 is composed of the reinforced inner lining plate 7 and the heat insulation sleeve 8, the reinforced inner lining plate 7 can improve the strength of the pipe body 4, the pipe body 4 is arranged outside the pipe fitting main body 1, one end of the pipe body 4 is attached to the inner side of the sealing end head 5, then the mounting bolt 9 is connected and fixed with the limiting screw hole 10 on one end of the pipe body 4 by screwing, the heat preservation sleeve 12 is embedded and connected with the guide groove 13 on the outer wall of the mounting pipe 11 through the limiting protrusion 18, under the action of the tensile steel wire mesh 14 and the rock wool layer 15, the tensile steel wire mesh 14 can improve the service life of the heat preservation sleeve 12 and improve the strength of the heat preservation sleeve 12, the rock wool layer 15 is adhesively fixed with the fire-retardant rubber pipe 17 through the fire-retardant adhesive 16, and the heat preservation effect of the heat preservation sleeve 12 is further improved.
[0031] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A novel thermal insulation pipe fitting, comprising a fitting body (1), characterized in that, The outer wall of the main body (1) of the pipe fitting is fitted with an insulation layer pipe (2). One end of the insulation layer pipe (2) is connected to an installation end (3). The installation end (3) is fixedly connected to the outer wall of one end of the main body (1). The insulation layer pipe (2) includes a pipe body (4) and a sealing end (5). One end of the pipe body (4) is fixedly connected to the sealing end (5).
2. The novel thermal insulation pipe fitting according to claim 1, characterized in that, A composite sleeve (6) is fixedly connected between the sealing ends (5). The composite sleeve (6) includes a reinforcing inner liner (7) and a heat insulation sleeve (8). The heat insulation sleeve (8) is fixedly connected to the outer wall of the reinforcing inner liner (7).
3. The novel thermal insulation pipe fitting according to claim 2, characterized in that, The outer wall of the heat insulation sleeve (8) is fixedly connected to the inner wall of the pipe body (4). The diameter of the heat insulation sleeve (8) is equal to the diameter of the sealing end (5) and smaller than the diameter of the pipe body (4).
4. A novel thermal insulation pipe fitting according to claim 3, characterized in that, The outer wall of the installation end (3) is provided with annularly spaced installation bolts (9), and the outer edge of the insulation layer pipe (2) is provided with equidistant limiting screw holes (10). The installation bolts (9) and the limiting screw holes (10) are matched and threadedly connected.
5. A novel thermal insulation pipe fitting according to claim 4, characterized in that, An installation tube (11) is fixedly connected to the inner wall of the insulation layer tube (2). An insulation sleeve (12) is connected inside the installation tube (11). Guide grooves (13) are equidistantly excavated on the inner wall of the installation tube (11). Limiting protrusions (18) are equidistantly provided on the outer wall of the insulation sleeve (12). The limiting protrusions (18) are movably fitted with the guide grooves (13).
6. A novel thermal insulation pipe fitting according to claim 5, characterized in that, The insulation sleeve (12) includes a tensile steel wire mesh (14) and a rock wool layer (15). The tensile steel wire mesh (14) is wrapped and fixed to the outer wall of the rock wool layer (15). A flame retardant adhesive (16) is fixedly connected to the inner wall of the rock wool layer (15). A flame retardant rubber tube (17) is fixedly connected to the inner side of the flame retardant adhesive (16).
Citation Information
Patent Citations
Novel prefabricated directly-buried steam heat preservation pipe fitting
CN212839853U