CN217683758U - Protective plastic-sheathed steel heat-insulation pipe for constructional engineering - Google Patents
Protective plastic-sheathed steel heat-insulation pipe for constructional engineering Download PDFInfo
- Publication number
- CN217683758U CN217683758U CN202222123098.2U CN202222123098U CN217683758U CN 217683758 U CN217683758 U CN 217683758U CN 202222123098 U CN202222123098 U CN 202222123098U CN 217683758 U CN217683758 U CN 217683758U
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- China
- Prior art keywords
- pipe
- steel
- flange
- shaped air
- insulating tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 230000001681 protective effect Effects 0.000 title claims description 13
- 238000009413 insulation Methods 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 9
- 210000003437 trachea Anatomy 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Thermal Insulation (AREA)
Abstract
The utility model discloses a cover steel insulating tube is moulded with protection nature to building engineering, including a plurality of insulating tube main part and the sealed pipe fitting that is used for connecting the insulating tube main part, the insulating tube main part is including steel pipe and protecting tube, it is provided with the heat preservation to fill between protecting tube and the steel pipe, sealed pipe fitting is including core pipe, is provided with circle form gasbag on the outer wall of core pipe both ends respectively, integrated into one piece is provided with ring flange two on the outer wall of the core pipe between two circle form gasbags, and ring flange two both sides are fixed with gasket form gasbag respectively, connect through the trachea between gasket form gasbag and the circle form gasbag. The utility model has the advantages of convenient and time-saving installation and disassembly, convenient maintenance, and the ring-shaped air bag is in the expansion state when in connection, thereby enhancing the sealing property between the core pipe and the steel pipe.
Description
Technical Field
The utility model relates to a pipe connection technical field specifically is a protective plastic sleeve steel insulating tube for building engineering.
Background
The plastic-sheathed steel thermal insulation pipe is mainly formed by sequentially and outwards combining a working steel pipe, a foam thermal insulation layer and a polyethylene plastic outer protective pipe through equipment and is mainly used for conveying liquid, gas and other media.
In actual construction engineering construction, most of the situations cannot use one plastic-sheathed-steel heat-insulating pipe to complete a whole conveying project, so that the plastic-sheathed-steel heat-insulating pipes need to be spliced for use. When the existing plastic sleeve steel insulating pipe is spliced, a welding mode is adopted for connection, the sealing effect is good, the time consumed by welding is long, and the plastic sleeve steel insulating pipe is difficult to maintain once problems occur. Therefore, the protective plastic-sheathed steel heat-insulating pipe for the building engineering is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protective plastic sleeve steel insulating tube for building engineering has the installation, dismantles convenient labour saving and time saving, and the problem of proposing among the background art has been solved to the advantage of easy access.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a cover steel insulating tube is moulded with protectiveness to building engineering, is including a plurality of insulating tube main part and be used for connecting the sealed pipe fitting of insulating tube main part, the insulating tube main part is including steel pipe and protecting tube, it is provided with the heat preservation to fill between protecting tube and the steel pipe, sealed pipe fitting is including core pipe, be provided with circle form gasbag, two on the outer wall of core pipe both ends respectively integrated into one piece is provided with ring flange two on the outer wall of core pipe between the circle form gasbag, ring flange two both sides are fixed with gasket form gasbag respectively, gasket form gasbag with connect through the trachea between the circle form gasbag.
Preferably, the end of the steel pipe is respectively fixed with a first flange, and the first flange, the second flange and the gasket-shaped air bag are respectively provided with corresponding threaded holes.
Preferably, the outer edge of the flange plate II is fixedly provided with an annular cover plate, and the outer diameter of the flange plate I is matched with the inner diameter of the annular cover plate.
Preferably, both ends of the core pipe extend into the steel pipe respectively, and a chamfer is arranged on the inner wall surface of the end part of the extending end.
Preferably, the inner wall surfaces of the two ends of the steel pipe extend inwards to be fixed with clamping blocks respectively, and an annular clamping groove for clamping the end part of the core pipe is formed between one side of each clamping block and the inner wall surface of the steel pipe.
Preferably, a through groove for the air pipe to pass through is formed in the core pipe wall body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a set up sealed pipe fitting and connect the insulating tube main part, for current welding mode sealing connection, the flexibility is better, during the installation, inside inserting the installation steel pipe respectively with core pipe both ends, then through bolt through connection flange dish one, the gasket form gasbag, the screw hole on the ring flange two, can be in the same place sealed pipe fitting and insulating tube main part fixed connection, the installation, dismantle convenient to save time, convenient to overhaul, the ring form gasbag is in the inflation state during connection, the leakproofness of connecting between core pipe and the steel pipe has been strengthened.
Drawings
FIG. 1 is a schematic view of the external structure of the sealing pipe and the insulating pipe main body of the present invention;
FIG. 2 is an internal view of the connection structure of the present invention;
fig. 3 is a schematic structural view of the sealing pipe of the present invention.
In the figure: 1. a steel pipe; 101. a first flange plate; 102. a clamping block; 2. a heat-insulating layer; 3. a protective tube; 4. a core tube; 5. a loop-shaped air bag; 6. a second flange plate; 7. an annular cover plate; 8. a pad-like air bag; 9. the trachea.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a protective plastic sleeve steel insulating tube for building engineering, including a plurality of insulating tube main part and the sealed pipe fitting that is used for connecting the insulating tube main part, the insulating tube main part is including steel pipe 1 and protecting tube 3, it is provided with heat preservation 2 to fill between protecting tube 3 and the steel pipe 1, steel pipe 1 is made for polyethylene plastic, certain elasticity and plasticity have, and corrosion-resistant, heat preservation 2 is made for polyurethane foam, it mainly blocks the inside and outside heat exchange of pipeline to set up heat preservation 2, thereby reduce the loss of energy among the pipeline material transportation process, sealed pipe fitting is including core pipe 4, be provided with circle form gasbag 5 on the outer wall of core pipe 4 both ends respectively, integrated into one piece is provided with ring flange two 6 on the outer wall of core pipe 4 between two circle form gasbags 5, ring flange two 6 both sides are fixed with gasket form gasbag 8 respectively, connect through trachea 9 between gasket form gasbag 8 and the circle form gasbag 5.
The end parts of the steel pipe 1 are respectively fixed with a first flange plate 101, the first flange plate 101, a second flange plate 6 and the gasket-shaped air bag 8 are respectively provided with a threaded hole corresponding to each other, during installation, two ends of the core pipe 4 are respectively inserted into the steel pipe 1, and then the first flange plate 101, the gasket-shaped air bag 8 and the second flange plate 6 are connected in a penetrating manner through bolts so as to fixedly connect the heat preservation pipe main body and the sealing pipe fitting together.
The fixed cyclic annular cover plate 7 that is provided with of 6 outer edges of ring flange two, the external diameter of ring flange one 101 and the adaptation of 7 internal diameters of cyclic annular cover plate, during insulating tube main part and sealed pipe fitting fixed connection, inside ring flange one 101 imbeds cyclic annular cover plate 7, set up cyclic annular cover plate 7, promoted the leakproofness and the stability that insulating tube main part and sealed pipe fitting are connected.
As shown in fig. 2 and 3, two ends of the core tube 4 extend into the steel tube 1, and the inner wall surface of the end portion of the extending end is provided with a chamfer, the inner wall surfaces of the two ends of the steel tube 1 extend inward to be fixed with a fixture block 102, an annular clamping groove for clamping the end portion of the core tube 4 is formed between one side of the fixture block 102 and the inner wall surface of the steel tube 1, when the insulating tube main body is fixedly connected with the sealing tube, the two ends of the core tube 4 are inserted into the steel tube 1, the end portion of the core tube 4 is clamped into the annular clamping groove, and the surfaces of the fixture block 102 and the chamfer, which are in contact with each other, are attached to each other.
The inside logical groove of air supply pipe 9 through of seting up of core pipe 4 wall body, the installation of core pipe 4 can not be influenced inside the pipe 9 hidden installation of core pipe 4 wall body.
During installation, the sealing pipe fitting is placed between two adjacent heat preservation pipe main bodies, the axle centers of the sealing pipe fitting and the heat preservation pipe main bodies are collinear, then the heat preservation pipe main bodies are moved, the two ends of the core pipe 4 are respectively inserted into the steel pipe 1, the clamping blocks 102 respectively enter the two end parts of the core pipe 4, the first flange plates 101 respectively abut against the gasket-shaped air bags 8, then the gasket-shaped air bags 8 are continuously extruded, the gasket-shaped air bags 8 are compressed, air in the gasket-shaped air bags 8 enters the ring-shaped air bags 5 through the air pipes 9, the ring-shaped air bags 5 expand, the inner wall surfaces of the ring-shaped air bags 5 and the steel pipe 1 are tightly contacted, the clamping blocks 102 and the surfaces, which are mutually contacted, of the chamfers are tightly attached, the sealing performance and the stability of connection between the sealing pipe fitting and the heat preservation pipe main bodies are further enhanced, then the first flange plates 101 are connected through bolts, the gasket-shaped air bags 8 and the threaded holes in the second flange plates 6, and the sealing pipe fitting and the heat preservation pipe main bodies are fixedly connected together.
When the core tube 4 is disassembled, the gasket-shaped air bag 8 is not extruded, air in the ring-shaped air bag 5 flows back into the gasket-shaped air bag 8 through the air tube 9, and the ring-shaped air bag 5 contracts, so that the core tube 4 is convenient to take out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a set steel insulating tube is moulded with protectiveness to building engineering, is including a plurality of insulating tube main part and be used for connecting the sealed pipe fitting of insulating tube main part, the insulating tube main part is including steel pipe (1) and protecting tube (3), it is provided with heat preservation (2), its characterized in that to fill between protecting tube (3) and steel pipe (1): the sealing pipe fitting comprises a core pipe (4), ring-shaped air bags (5) are arranged on the outer walls of two ends of the core pipe (4) respectively, two flange plates (6) are integrally formed on the outer wall of the core pipe (4) between the ring-shaped air bags (5), gasket-shaped air bags (8) are fixed on two sides of each flange plate (6) respectively, and the gasket-shaped air bags (8) are connected with the ring-shaped air bags (5) through air pipes (9).
2. The protective plastic-sheathed steel thermal insulation pipe for construction engineering according to claim 1, wherein: the end parts of the steel pipes (1) are respectively fixed with a first flange (101), and the first flange (101), a second flange (6) and the gasket-shaped air bag (8) are respectively provided with corresponding threaded holes.
3. The protective plastic-sheathed steel thermal insulation pipe for construction engineering according to claim 2, wherein: and an annular cover plate (7) is fixedly arranged at the outer edge of the second flange plate (6), and the outer diameter of the first flange plate (101) is matched with the inner diameter of the annular cover plate (7).
4. The protective plastic-sheathed steel thermal insulation pipe for construction engineering according to claim 1, wherein: the two ends of the core pipe (4) respectively extend into the steel pipe (1), and the inner wall surface of the end part of the extending end is provided with a chamfer.
5. The protective plastic-sheathed steel thermal insulation pipe for construction engineering according to claim 4, wherein: the inner wall surfaces of two ends of the steel pipe (1) extend inwards to be fixed with clamping blocks (102), and annular clamping grooves for clamping the end parts of the core pipes (4) are formed between one side of each clamping block (102) and the inner wall surface of the steel pipe (1).
6. The protective plastic-sheathed steel thermal insulation pipe for constructional engineering as claimed in claim 1, wherein: and a through groove for the air pipe (9) to pass through is formed in the wall body of the core pipe (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222123098.2U CN217683758U (en) | 2022-08-12 | 2022-08-12 | Protective plastic-sheathed steel heat-insulation pipe for constructional engineering |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222123098.2U CN217683758U (en) | 2022-08-12 | 2022-08-12 | Protective plastic-sheathed steel heat-insulation pipe for constructional engineering |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217683758U true CN217683758U (en) | 2022-10-28 |
Family
ID=83725679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222123098.2U Withdrawn - After Issue CN217683758U (en) | 2022-08-12 | 2022-08-12 | Protective plastic-sheathed steel heat-insulation pipe for constructional engineering |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217683758U (en) |
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2022
- 2022-08-12 CN CN202222123098.2U patent/CN217683758U/en not_active Withdrawn - After Issue
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20221028 Effective date of abandoning: 20240326 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20221028 Effective date of abandoning: 20240326 |