CN217736676U - Novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe - Google Patents
Novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe Download PDFInfo
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- CN217736676U CN217736676U CN202221583208.7U CN202221583208U CN217736676U CN 217736676 U CN217736676 U CN 217736676U CN 202221583208 U CN202221583208 U CN 202221583208U CN 217736676 U CN217736676 U CN 217736676U
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Abstract
The utility model discloses a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene, including connecting fixing device and polyethylene outer protection tube, be provided with on the polyethylene outer protection tube and connect fixing device, it is connected with the polyethylene outer protection tube through the mode that cup joints to connect fixing device, the inlayer of polyethylene outer protection tube is provided with the foam plastic protective layer, the foam plastic protective layer is connected with the polyethylene outer protection tube through the mode that cup joints, the inlayer of foam plastic protective layer is provided with the working pipe, the working pipe is connected with the foam plastic protective layer through the mode that cup joints, the inlayer of working pipe is hollow structure layer, the both ends of working pipe all are provided with the guide hole, and the foam plastic protective layer can play the effect of heat preservation and protection, and the polyethylene outer protection tube plays fixed strength and guard action, and such structure setting can effectually solve the connection structure protrusion in the original device and lead to receive the striking easily and the problem that drops.
Description
Technical Field
The utility model belongs to the technical field of the insulating tube is connected is relevant, concretely relates to novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene.
Background
The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, is used for heat preservation of heat insulation engineering of pipelines such as petroleum, chemical engineering, aerospace, hot springs, military, central heating, central air conditioning, municipal administration and the like, needs to be installed and fixed together when the heat preservation pipe is laid underground, and a bolt penetrating flange plate is mainly adopted for fixed connection in the prior art.
The prior art has the following problems: in the existing connection technology, the place where the bolt penetrates through needs to be provided with a raised base at the joint of the pipeline, but the connection fixation effect is easily influenced by falling off caused by the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene to the bolted connection fixing base that proposes in solving above-mentioned background art receives the striking easily and drops and lead to connecting the problem that fixed effect is not good.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel prefabricated direct-burried insulating tube of pipe polyethylene, is including connecting fixing device and polyethylene outer protection tube, be provided with on the polyethylene outer protection tube and connect fixing device, it is connected with the polyethylene outer protection tube through the mode that cup joints to connect fixing device, the inlayer of polyethylene outer protection tube is provided with the foam plastic protective layer, the foam plastic protective layer is connected with the polyethylene outer protection tube through the mode that cup joints, the inlayer of foam plastic protective layer is provided with the working pipe, the working pipe is connected with the foam plastic protective layer through the mode that cup joints, the inlayer of working pipe is hollow structure layer, the both ends of working pipe all are provided with the guide hole.
Preferably, connect fixing device and include upper fixed ring, connecting cylinder, screw, fixing base, lower fixing ring and through-hole, upper fixed ring's below is provided with lower fixing ring, upper fixed ring and lower fixing ring's middle part all is provided with the through-hole, upper fixed ring's left end is provided with the connecting cylinder, the connecting cylinder passes through welded mode and upper fixed ring fixed connection, just be provided with the fixing base on being located upper fixing ring's the inside wall on the connecting cylinder, be provided with the screw on the fixing base.
Preferably, the working pipe comprises a pipe body, an anti-corrosion coating and a chuck, the anti-corrosion coating is arranged on the outer wall of the pipe body, the chucks are arranged at two ends of the pipe body, and the chucks are fixedly connected with the pipe body in a welding mode.
Preferably, the connecting cylinder comprises a cylinder body, a round hole and a groove, the round hole is formed in the middle of the cylinder body, and the groove is formed in the inner side wall of the round hole.
Preferably, the outermost end of the fixing seat is flush with the outer end of the upper fixing ring.
Preferably, the lower fixing ring and the upper fixing ring have the same structure and are symmetrically distributed.
Preferably, the diameter of the chuck is larger than that of the pipe body, and the diameter of the chuck is consistent with that of the groove.
Compared with the prior art, the utility model provides a novel pipe-in-pipe polyethylene prefabricated direct-burried insulating tube possesses following beneficial effect:
the utility model discloses protect through passing through the foam plastic protective layer parcel with the working tube on original setting, cup joint the polyethylene outer protection tube at the surface of foam plastic protective layer again, then rethread connection fixing device establishes ties a plurality of working tubes, the guide hole through the working tube both ends switches on, connect fixing device with a plurality of working tube series connection fixed in, at first with the recess joint that lies in on barrel middle part round hole inside wall in the chuck at body both ends and the connecting cylinder, keep the fixed of body, then cup joint upper fixed ring and lower fixed ring on the anticorrosive coating on body surface, make the body cup jointed in the through-hole, the screw that reuse bolt passed the fixing base middle part fixes upper fixed ring and lower fixed ring, it is fixed to accomplish the connection of body, the foam plastic protective layer can play the effect that keeps warm and protect, the polyethylene outer protection tube plays fixed strength and guard action, such structure setting can effectually solve the connection structure protrusion in the original device and lead to receiving the striking easily and the problem that drops.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a schematic view of the overall connection structure of a novel pipe-in-pipe polyethylene prefabricated direct-buried thermal insulation pipe provided by the present invention;
FIG. 2 is a schematic view of the connection structure of a novel pipe-in-pipe polyethylene prefabricated direct-buried thermal insulation pipe provided by the present invention;
fig. 3 is a schematic structural view of a novel pipe-in-pipe polyethylene prefabricated direct-buried heat-preservation connecting pipe provided by the utility model;
fig. 4 is a schematic structural view of a novel pipe-in-pipe polyethylene prefabricated direct-buried thermal insulation pipe connecting and fixing device provided by the utility model;
FIG. 5 is a schematic structural view of a novel pipe-in-pipe polyethylene prefabricated direct-buried heat-preservation pipe connecting cylinder provided by the utility model;
in the figure: 1. connecting and fixing devices; 2. a polyethylene outer protective tube; 3. a foam plastic protective layer; 4. a working pipe; 5. a guide hole; 11. an upper fixing ring; 12. a connecting cylinder; 13. a screw hole; 14. a fixed seat; 15. a lower fixing ring; 16. a through hole; 121. a barrel; 122. a circular hole; 123. a groove; 41. a pipe body; 42. an anticorrosive coating; 43. a chuck.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Example one
Referring to fig. 1, 2 and 3, the present invention provides a technical solution: the utility model provides a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene, including connecting fixing device 1 and polyethylene outer protection tube 2, be provided with on the polyethylene outer protection tube 2 and connect fixing device 1, it is connected with polyethylene outer protection tube 2 through the mode that cup joints to connect fixing device 1, the inlayer of polyethylene outer protection tube 2 is provided with foamed plastic protective layer 3, foamed plastic protective layer 3 is connected with polyethylene outer protection tube 2 through the mode that cup joints, foamed plastic protective layer 3's inlayer is provided with working pipe 4, working pipe 4 is connected with foamed plastic protective layer 3 through the mode that cup joints, the inlayer of working pipe 4 is hollow structural layer, working pipe 4's both ends all are provided with guide hole 5, foamed plastic protective layer 3 can play the effect of heat preservation and protection, polyethylene outer protection tube 2 plays fixed strength and guard action.
Example two
Referring to fig. 1, fig. 4, and fig. 5, the present invention provides a technical solution: the utility model provides a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene, connect fixing device 1 and include last fixed ring 11, a connecting cylinder 12, screw 13, fixing base 14, lower fixed ring 15 and through-hole 16, the below of last fixed ring 11 is provided with lower fixed ring 15, the middle part of last fixed ring 11 and lower fixed ring 15 all is provided with through-hole 16, the left end of going up fixed ring 11 is provided with a connecting cylinder 12, connecting cylinder 12 is through welded mode and last fixed ring 11 fixed connection, be provided with fixing base 14 on the connecting cylinder 12 and on being located last fixed ring 11's the inside wall, be provided with screw 13 on the fixing base 14, fixing base 14 outermost end and last fixed ring 11's outer end parallel and level, connecting cylinder 12 includes barrel 121, round hole 122 and recess 123, the middle part of barrel 121 is provided with round hole 122, be provided with recess 123 on round hole 122's the inside wall, the structure of lower fixed ring 15 and last fixed ring 11 is unanimous, and be the symmetric distribution, the diameter of chuck 43 is greater than the diameter of body 41, and the diameter of chuck 43 is unanimous with recess 123, fixing base 14 is through the welding between last fixed ring 11 and the parallel and level, and level can effectually prevent that fixing base 14 from leading to the striking from droing.
EXAMPLE III
Referring to fig. 1 and fig. 3, the present invention provides a technical solution: the utility model provides a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene, working pipe 4 includes body 41, anticorrosive coating 42 and chuck 43, is provided with anticorrosive coating 42 on the outer wall of body 41, and the both ends of body 41 all are provided with chuck 43, and chuck 43 passes through welded mode and 41 fixed connection of body, and anticorrosive coating 42 can prevent that body 41 from receiving corrosion damage, and chuck 43 can make body 41 fixed more firm.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, protect working pipe 4 through 3 parcels of foamed plastic protective layer, cup joint polyethylene outer protection tube 2 at foamed plastic protective layer 3's surface again, then connect fixing device 1 and establish ties a plurality of working pipes 4 through the rethread, guide hole 5 through working pipe 4 both ends switches on, connect fixing device 1 and establish ties fixedly with a plurality of working pipes 4, at first with the chuck 43 at body 41 both ends and the recess 123 joint that lies in on barrel 121 middle part round hole 122 inside wall in connecting cylinder 12, keep the fixed of body 41, then cup joint last solid fixed ring 11 and lower solid fixed ring 15 on the anticorrosive coating 42 on body 41 surface, make body 41 cup jointed in through-hole 16, screw 13 that reuse bolt passed fixing base 14 middle part fixes last solid fixed ring 11 and lower solid fixed ring 15, it is fixed to accomplish the connection of body 41, foamed plastic protective layer 3 can play the effect that keeps warm and protect, polyethylene outer protection tube 2 plays fixed strength and guard action, such structure setting can effectually solve the problem that connection structure in the original device leads to receiving the striking easily and drop.
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 (7)
1. The utility model provides a novel prefabricated direct-burried insulating tube of pipe-in-pipe polyethylene, is including connecting fixing device (1) and polyethylene outer protection tube (2), its characterized in that: be provided with on polyethylene outer protection tube (2) and connect fixing device (1), it is connected with polyethylene outer protection tube (2) through the mode that cup joints to connect fixing device (1), the inlayer of polyethylene outer protection tube (2) is provided with foamed plastic protective layer (3), foamed plastic protective layer (3) are connected with polyethylene outer protection tube (2) through the mode that cup joints, the inlayer of foamed plastic protective layer (3) is provided with working tube (4), working tube (4) are connected with foamed plastic protective layer (3) through the mode that cup joints, the inlayer of working tube (4) is hollow structural layer, the both ends of working tube (4) all are provided with guide hole (5).
2. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 1, is characterized in that: connect fixing device (1) including last fixed ring (11), connecting cylinder (12), screw (13), fixing base (14), lower fixing ring (15) and through-hole (16), the below of last fixed ring (11) is provided with lower fixing ring (15), the middle part of last fixed ring (11) and lower fixing ring (15) all is provided with through-hole (16), the left end of last fixed ring (11) is provided with connecting cylinder (12), connecting cylinder (12) are through welded mode and last fixed ring (11) fixed connection, be provided with fixing base (14) on connecting cylinder (12) and on being located the inside wall of last fixed ring (11), be provided with screw (13) on fixing base (14).
3. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 1, is characterized in that: the working pipe (4) comprises a pipe body (41), an anti-corrosion coating (42) and a chuck (43), the anti-corrosion coating (42) is arranged on the outer wall of the pipe body (41), the chucks (43) are arranged at two ends of the pipe body (41), and the chucks (43) are fixedly connected with the pipe body (41) in a welding mode.
4. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 2, is characterized in that: the connecting cylinder (12) comprises a cylinder body (121), a round hole (122) and a groove (123), the round hole (122) is formed in the middle of the cylinder body (121), and the groove (123) is formed in the inner side wall of the round hole (122).
5. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 2, is characterized in that: the outermost end of the fixed seat (14) is flush with the outer end of the upper fixed ring (11).
6. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 2, is characterized in that: the lower fixing ring (15) and the upper fixing ring (11) are consistent in structure and symmetrically distributed.
7. The novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe as claimed in claim 3, is characterized in that: the diameter of the chuck (43) is larger than that of the pipe body (41), and the diameter of the chuck (43) is consistent with that of the groove (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221583208.7U CN217736676U (en) | 2022-06-21 | 2022-06-21 | Novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221583208.7U CN217736676U (en) | 2022-06-21 | 2022-06-21 | Novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736676U true CN217736676U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221583208.7U Active CN217736676U (en) | 2022-06-21 | 2022-06-21 | Novel pipe-in-pipe polyethylene prefabricated direct-buried heat preservation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736676U (en) |
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2022
- 2022-06-21 CN CN202221583208.7U patent/CN217736676U/en active Active
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