CN220354746U - Closely-connected plastic-lined composite steel pipe - Google Patents
Closely-connected plastic-lined composite steel pipe Download PDFInfo
- Publication number
- CN220354746U CN220354746U CN202321867466.2U CN202321867466U CN220354746U CN 220354746 U CN220354746 U CN 220354746U CN 202321867466 U CN202321867466 U CN 202321867466U CN 220354746 U CN220354746 U CN 220354746U
- Authority
- CN
- China
- Prior art keywords
- layer
- steel pipe
- composite steel
- pipe body
- main pipe
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- -1 PE-RT Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 238000005516 engineering process Methods 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
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a close-fitting plastic-lined composite steel pipe, which comprises a main pipe body, a connecting nut and a sealing rubber sleeve, wherein one end of the main pipe body is fixedly connected with the connecting pipe body, one side of the main pipe body is provided with a step, the outer side of the main pipe body is provided with a first external thread, and one side of the main pipe body, which is far away from the first external thread, is provided with a second external thread. The utility model has the advantages that when two main pipe bodies are connected, two connecting modes exist, when the connecting pressure is not large, the connecting pipe bodies can be inserted into the sealing rubber sleeve, the sealing rubber sleeve is provided with a slope which is convenient for insertion, the circular arc limiting ring is arranged, the friction force between the sealing rubber sleeve and the connecting pipe bodies can be increased, when the pressure of a pipeline is overlarge, the connecting nut can be screwed into the outer side of the second external thread, so that the two main pipe bodies can be connected more tightly, and through the arrangement, the device can be flexibly adjusted according to different use conditions.
Description
Technical Field
The utility model relates to the technical field of steel pipes, in particular to a close-joint plastic-lined composite steel pipe.
Background
In a broad sense, PVC-U, PVC-C, PE-X, PE-RT, PP-R and other plastic pipes are used as lining materials and adhesives, and carbon steel pipes and lining pipes are compounded into lining plastic composite pipes through a thermal expansion process and a cold drawing diameter reduction process, so that the composite pipes are suitable for occasions where iron or steel pipes are unsuitable to use, and have wide use space.
Through searching, china patent discloses a lining plastic composite steel pipe (grant publication No. CN 203176581U), and the technology comprises a lining plastic composite steel pipe body, connectors welded at the end parts of the lining plastic composite steel pipe body, a rubber sealing ring and a quick connecting structure for quickly connecting the connectors at the end parts of two adjacent lining plastic composite steel pipe bodies together, and by arranging one quick connecting structure, when two adjacent lining plastic composite steel pipe bodies are required to be connected together, the rubber sealing ring is firstly placed between the connectors of the two lining plastic composite steel pipe bodies, and then the connectors are quickly connected by adopting the quick connecting structure. Therefore, the plastic-lined composite pipe can be conveniently used in drainage rescue work requiring quick connection, so that the connection time is saved, and the rescue efficiency is improved; meanwhile, the device is also suitable for being conveniently used in other fields requiring quick connection;
and one skilled in the art proposes another closely-connected plastic-lined composite steel pipe, and the purpose of closely connecting the plastic-lined composite steel pipe is provided by different technical means.
Disclosure of Invention
In view of the foregoing problems of the prior art, a primary object of the present utility model is to provide a tight-fitting plastic-lined composite steel pipe.
The technical scheme of the utility model is as follows: the utility model provides a compound steel pipe is moulded to close joint lining, includes is responsible for body, coupling nut, sealed gum cover, the one end fixedly connected with connecting pipe body of being responsible for the body is provided with the step in one side of being responsible for the body, the outside of being responsible for the body just is located one side of step and is provided with first external screw thread, the outside of being responsible for the body just is located one side of keeping away from first external screw thread and is provided with the second external screw thread, coupling nut uses with first external screw thread and second external screw thread cooperation respectively.
As a preferable implementation mode, the connecting nut is sleeved on the outer side of the main pipe body, a notch is formed in the connecting nut, and the notch is connected with the step in a sliding mode.
As a preferred implementation mode, circular arc limiting rings are arranged in the sealing rubber sleeve at equal intervals, and a slope matched with the connecting pipe body for use is arranged at one end of the sealing rubber sleeve.
As a preferred embodiment, the main pipe body consists of a wear-resistant layer, a heat-insulating layer and a contact layer, wherein the heat-insulating layer is wrapped on the outer side of the contact layer, and the wear-resistant layer is wrapped on the outer side of the heat-insulating layer.
As a preferred embodiment, the wear-resistant layer is made of stainless steel, and the thickness of the wear-resistant layer is the same as the thickness of the contact layer.
As a preferred embodiment, the heat preservation layer is made of compressed aluminum foil, and the thickness of the heat preservation layer is smaller than that of the wear-resistant layer and the contact layer.
As a preferred embodiment, the material of the contact layer is nylon, and the thickness of the contact layer is the same as the thickness of the wear-resistant layer.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, when two main pipe bodies are connected, two connection modes exist, when the connection pressure is not large, the connecting pipe bodies can be inserted into the sealing rubber sleeve, the sealing rubber sleeve is provided with a slope convenient for insertion, the circular arc limiting ring is arranged to increase friction force with the connecting pipe bodies, and when the pipeline pressure is overlarge, the connecting nut can be screwed into the outer side of the second external thread, so that the two main pipe bodies can be connected more tightly, and through the arrangement, the device can be flexibly adjusted according to different use conditions, and compared with a traditional device, the operation quality and the use efficiency are greatly improved.
Drawings
FIG. 1 is an overall isometric view of the present utility model;
FIG. 2 is an isometric view of a main tube body and a connecting tube body of the present utility model;
FIG. 3 is an isometric cross-sectional view of a main and connecting tube body of the present utility model;
FIG. 4 is an overall front cross-sectional view of the present utility model;
fig. 5 is a layered schematic of a pipe according to the present utility model.
Legend description: 1. a main pipe body; 2. a coupling nut; 3. sealing the rubber sleeve; 4. a connection pipe body; 5. a step; 6. a first external thread; 7. a second external thread; 8. a notch; 9. an arc limiting ring; 10. a wear-resistant layer; 11. a heat preservation layer; 12. and a contact layer.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings and the specific embodiments
Example 1
As shown in fig. 1 to 4, the present utility model provides a technical solution: including being responsible for body 1, coupling nut 2, sealed gum cover 3, the one end fixedly connected with connecting pipe body 4 of being responsible for body 1, one side of being responsible for body 1 is provided with step 5, the outside of being responsible for body 1 and be located one side of step 5 and be provided with first external screw thread 6, the outside of being responsible for body 1 and be located one side of keeping away from first external screw thread 6 be provided with second external screw thread 7, coupling nut 2 respectively with first external screw thread 6 and second external screw thread 7 cooperation use, coupling nut 2 cover is established in the outside of being responsible for body 1, notch 8 has been seted up to coupling nut 2 inside, sliding connection between notch 8 and step 5, the inside equidistance of sealed gum cover 3 is provided with circular arc spacing ring 9, the slope that cooperation connecting pipe body 4 used has been seted up to one end of sealed gum cover 3.
In this embodiment, when two main pipe bodies 1 are connected, there are two connection modes, when the connecting pressure is not big, can select to insert the inside of sealed gum cover 3 with connecting pipe body 4, sealed gum cover 3 is provided with the slope of being convenient for male, and be provided with circular arc spacing ring 9 can increase the frictional force with connecting pipe body 4, and when pipeline pressure is too big, can also screw in the outside of second external screw thread 7 with coupling nut 2 to make can carry out more closely to connect between two main pipe bodies 1, through this kind of setting, can make this device carry out nimble regulation according to different service conditions.
Example 2
As shown in fig. 5, the present utility model further provides a technical solution: the main pipe body 1 comprises wearing layer 10, heat preservation 11 and contact layer 12, and the outside parcel of contact layer 12 has heat preservation 11, and the outside parcel of heat preservation 11 has wearing layer 10, and wearing layer 10 sets up to stainless steel material, and wearing layer 10's thickness is the same with contact layer 12 thickness, and heat preservation 11 sets up to compression aluminium foil material, and the thickness of heat preservation 11 is less than wearing layer 10 and contact layer 12, and contact layer 12's material sets up to nylon material, and contact layer 12 thickness is the same with wearing layer 10 thickness.
In this embodiment, stainless steel material is harder, and wear-resisting, set up at the outermost can prevent natural corrosion effectively and use wearing and tearing, and compressed aluminum foil then has outstanding thermal insulation performance to when long pipeline transportation, can guarantee that the inside material temperature of pipeline can not take place great change, and nylon possesses not rust, just possess outstanding anticorrosion function in iron or steel material, and the three cooperation is used, thereby not only can greatly improve the life of pipeline, can also keep warm thermal insulation's effect effectively.
Working principle:
when two main pipe bodies 1 are connected, there are two kinds of connected modes, when the connecting pressure is not big, can select to insert the inside of sealed gum cover 3 with connecting pipe body 4, sealed gum cover 3 is provided with the slope of being convenient for male, and be provided with circular arc spacing ring 9 can increase the frictional force with connecting pipe body 4, and when pipeline pressure is too big, can also screw in the outside of second external screw thread 7 with coupling nut 2, thereby make can carry out more closely to connect between two main pipe bodies 1, through this kind of setting, can make this device carry out nimble regulation according to different service conditions, and this device still sets up wearing layer 10 into the stainless steel material, the stainless steel material is harder, and wear-resisting, the setting can prevent natural corrosion and use wearing and tearing effectively in the outermost, and the compression aluminium foil then has outstanding thermal insulation performance, thereby when the pipeline transportation, can guarantee that the inside material temperature of pipeline can not take place great change, and nylon possesses not rust, and possesses outstanding function in iron or steel material, the cooperation is used, thereby can not improve the anti-corrosion effect with the thermal insulation device of traditional heat preservation effect that can be carried out with the life-span effectively, the three has improved effectively.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The closely-connected plastic-lined composite steel pipe comprises a main pipe body (1), a connecting nut (2) and a sealing rubber sleeve (3), and is characterized in that: one end fixedly connected with connecting pipe body (4) of being responsible for body (1), one side of being responsible for body (1) is provided with step (5), the outside of being responsible for body (1) and one side that is located step (5) are provided with first external screw thread (6), the outside of being responsible for body (1) and one side that is located and keep away from first external screw thread (6) are provided with second external screw thread (7), coupling nut (2) respectively with first external screw thread (6) and second external screw thread (7) cooperation use.
2. The close-fitting plastic-lined composite steel pipe of claim 1, wherein: the connecting nut (2) is sleeved on the outer side of the main pipe body (1), a notch (8) is formed in the connecting nut (2), and the notch (8) is connected with the step (5) in a sliding mode.
3. The close-fitting plastic-lined composite steel pipe of claim 1, wherein: the inside equidistance of sealed gum cover (3) is provided with circular arc spacing ring (9), the slope that cooperation connecting pipe body (4) used has been seted up to one end of sealed gum cover (3).
4. The close-fitting plastic-lined composite steel pipe of claim 1, wherein: the main pipe body (1) is composed of a wear-resistant layer (10), a heat-insulating layer (11) and a contact layer (12), wherein the heat-insulating layer (11) is wrapped on the outer side of the contact layer (12), and the wear-resistant layer (10) is wrapped on the outer side of the heat-insulating layer (11).
5. The close-fitting plastic-lined composite steel pipe of claim 4, wherein: the wear-resistant layer (10) is made of stainless steel, and the thickness of the wear-resistant layer (10) is the same as that of the contact layer (12).
6. The close-fitting plastic-lined composite steel pipe of claim 4, wherein: the heat preservation layer (11) is made of compressed aluminum foil, and the thickness of the heat preservation layer (11) is smaller than that of the wear-resistant layer (10) and the contact layer (12).
7. The close-fitting plastic-lined composite steel pipe of claim 4, wherein: the material of contact layer (12) sets up to nylon material, contact layer (12) thickness is the same with wearing layer (10) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321867466.2U CN220354746U (en) | 2023-07-17 | 2023-07-17 | Closely-connected plastic-lined composite steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321867466.2U CN220354746U (en) | 2023-07-17 | 2023-07-17 | Closely-connected plastic-lined composite steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354746U true CN220354746U (en) | 2024-01-16 |
Family
ID=89479778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321867466.2U Active CN220354746U (en) | 2023-07-17 | 2023-07-17 | Closely-connected plastic-lined composite steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354746U (en) |
-
2023
- 2023-07-17 CN CN202321867466.2U patent/CN220354746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201209733Y (en) | Double-skin duct connecting device | |
| CN202001749U (en) | Anti-corrosive buckle press joint for composite pressure pipe connection and pipeline connection structure | |
| US7661729B2 (en) | Apparatus for connecting plastic-lined metallic pipes | |
| CN216279862U (en) | Cover and mould stainless steel pipe fitting structure | |
| CN220354746U (en) | Closely-connected plastic-lined composite steel pipe | |
| CN2644836Y (en) | Collar clamp for connecting end socket tube | |
| CN204729782U (en) | A kind of heavy caliber steel pipe fittings | |
| CN101576189A (en) | Universal connecting pipe fitting | |
| CN202612934U (en) | Connecting structure of flexible pipe with slide tightening pipe | |
| CN2926737Y (en) | Pipe connector | |
| CN201363496Y (en) | Metal hard seal pipe joint | |
| CN201680082U (en) | Expandable duplex metal pipe for composite pipe | |
| CN202065595U (en) | Corrosion-prevention buckling-pressing type RTP (Rapid Thermal Processing) pipe fitting | |
| CN212028851U (en) | Pipeline joint capable of being disassembled and replaced quickly | |
| CN201028214Y (en) | Special connector for plastic pipe | |
| CN220891329U (en) | Plastic lined steel pipe | |
| CN218645034U (en) | Metal corrugated pipe with anti-dismantling structure | |
| CN211175753U (en) | Copper pipe joint connection structure | |
| CN2510711Y (en) | Self-tapping threaded pipe joint for inner plastic-walled pipe | |
| CN211118206U (en) | Plastic steel pipeline sealing connection structure | |
| CN2375844Y (en) | External sealed plug-in pipe joint | |
| CN211344356U (en) | Split type pipe joint of large-diameter flexible composite high-pressure conveying pipe | |
| CN220792435U (en) | Polyethylene pipe connection external member structure | |
| CN218441190U (en) | Quick-release joint for pipeline connection | |
| CN210484923U (en) | Prefabricated direct-burried keeps warm concentric reducing pipe connection spare |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |