CN220435774U - Compression-resistant plastic-lined steel pipe - Google Patents
Compression-resistant plastic-lined steel pipe Download PDFInfo
- Publication number
- CN220435774U CN220435774U CN202321909797.8U CN202321909797U CN220435774U CN 220435774 U CN220435774 U CN 220435774U CN 202321909797 U CN202321909797 U CN 202321909797U CN 220435774 U CN220435774 U CN 220435774U
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- CN
- China
- Prior art keywords
- steel pipe
- plastic
- pipe
- sleeve
- compression
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 230000006835 compression Effects 0.000 title claims abstract description 22
- 238000007906 compression Methods 0.000 title claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 55
- 239000000872 buffer Substances 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 5
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003755 preservative agent Substances 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 23
- 238000009434 installation Methods 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of plastic-lined steel pipes and discloses a compression-resistant plastic-lined steel pipe, which comprises a plastic-lined steel pipe and an outer steel pipe, wherein an outer sleeve is sleeved on the periphery of the outer steel pipe, an installation groove is formed in the periphery of the outer steel pipe, a protection sleeve is integrally formed on the periphery circumference of the installation groove at equal intervals, an oil pressure buffer is fixedly arranged on the periphery circumference of the protection sleeve at equal intervals, and a protection sleeve is detachably arranged on one side of the top of the oil pressure buffer; according to the utility model, the impact of the outer gravity extrusion can be reduced by the plurality of groups of protection sleeves which are arranged at equal intervals on the circumference of the inner wall of the outer-layer steel pipe outer-side mounting groove under the cooperation of the plurality of groups of oil pressure buffers, so that the buffer effect is realized, the extrusion damage rate of the outer-layer steel pipe and the plastic pipe by the external large extrusion force is reduced, the buffer and the compression-resistant protection of the joint of the plastic pipe and the outer-layer steel pipe are realized, and the compression resistance of the plastic-lined steel pipe is improved.
Description
Technical Field
The utility model relates to the technical field of plastic-lined steel pipes, in particular to a compression-resistant plastic-lined steel pipe.
Background
And (3) lining the plastic steel pipe, namely taking a galvanized seamless steel pipe and a welded steel pipe as base pipes, removing welding ribs on the inner wall, lining a pipe with the same diameter as the galvanized pipe, and finally pressurizing and heating for a certain period to form the integrated pipe.
The high-strength plastic lining steel pipe comprises a steel pipe body, a sealing belt, a first joint and a second joint, wherein one end of the steel pipe body is fixedly connected with the first joint, the other end of the other steel pipe body is fixedly connected with the second joint, the first joint is in threaded connection with the second joint, the steel pipe body comprises an outer steel pipe, an inner steel pipe and a plastic pipe, the inner ring of the inner steel pipe is uniformly and fixedly connected with a soft rubber column, and the other end of the soft rubber column is fixedly connected with the outer side of the plastic pipe. According to the high-strength plastic-lined steel pipe, the plastic pipe can be fixed in the inner side steel pipe through the arrangement of the soft rubber column, so that a gap is reserved between the plastic pipe and the inner side steel pipe, the plastic pipe is convenient to deform, the soft rubber column has elasticity, the compression resistance of the plastic-lined steel pipe can be improved, and meanwhile, when the plastic pipe deforms greatly, the resilience force of the soft rubber column can assist in recovering the plastic pipe;
through using this lining plastic steel pipe discovery, when lining plastic steel pipe surface received great gravity extrusion, lining plastic steel pipe outer steel pipe and inside plastic pipe junction do not have buffer structure, directly receive the extrusion back, warp easily, lax, after the overall stability destroyed, unable recovery, and over time, the plastic pipe separates with inboard steel pipe, lining plastic steel pipe can't normal use.
Disclosure of Invention
The utility model aims to provide a compression-resistant plastic-lined steel pipe, which solves the problems that after the steel pipe at the outer layer of the plastic-lined steel pipe is subjected to larger extrusion force, the joint of the outer layer steel pipe and the plastic pipe has no buffer structure, the joint is easy to deform and relax, so that the integral stability of the plastic-lined steel pipe is damaged, and the plastic-lined steel pipe cannot be normally used.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel pipe is moulded to resistance to compression lining, includes the lining steel pipe, the lining steel pipe includes plastic pipe, outer steel pipe periphery cover is equipped with outside sleeve pipe, the mounting groove has been seted up to outer steel pipe periphery, equidistant integrated into one piece has the protective sleeve on the peripheral circumference of mounting groove, equidistant fixed mounting has oil pressure buffer on the peripheral circumference of protective sleeve pipe, oil pressure buffer top one side demountable installation has the protective sleeve, the plastic pipe with be provided with zinc-iron alloy layer between the outer steel pipe.
Preferably, an oil filling hole is formed in one side of the top of the oil pressure buffer, and a sealing plug is detachably mounted in the inner wall of the oil filling hole through threads.
Preferably, the inner wall of the mounting groove and the inner wall of the plastic pipe are coated with preservative.
Preferably, the protective sleeve is of an annular structure, the protective sleeve is of a ductile steel structure, and the distance between each two adjacent protective sleeves is two centimeters.
Preferably, the end part of the oil buffer is connected with a movable end, and the top end of the movable end is connected with the inner wall of the outer sleeve.
Preferably, the outer sleeve is of a corrugated structure, and the outer sleeve is made of the same material as the protective sleeve, and the outer sleeve is in clearance fit with the inner wall of the mounting groove.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the impact of the plurality of groups of protection sleeves arranged at equal intervals on the circumference of the inner wall of the outer side mounting groove of the outer layer steel pipe can be reduced under the extrusion of external gravity under the cooperation of the plurality of groups of oil pressure buffers, so that the impact buffer effect is achieved, the extrusion damage rate of external large extrusion force to the outer layer steel pipe and the plastic pipe is reduced, the impact buffer and the compression protection of the joint of the plastic pipe and the outer layer steel pipe are realized, the compression resistance of the plastic-lined steel pipe is improved, and the problems that after the steel pipe at the outer layer of the plastic-lined steel pipe is subjected to the large extrusion force, the joint of the outer layer steel pipe and the plastic pipe is free from buffer structures, the joint is easy to deform and loose, and the integral stability of the plastic-lined steel pipe is damaged, and the plastic-lined steel pipe cannot be used normally are solved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the structure of an inner steel pipe according to the present utility model;
FIG. 3 is a schematic view of a protective sleeve according to the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 3;
FIG. 5 is a schematic side sectional view of a plastic lined steel pipe according to the present utility model.
In the figure: 1. lining plastic steel pipes; 2. an outer sleeve; 3. a plastic tube; 4. an outer layer steel pipe; 5. a protective sleeve; 6. a hydraulic buffer; 7. a sealing plug; 8. a zinc-iron alloy layer; 401. a mounting groove; 601. a movable end.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
Referring to fig. 1-5, the present utility model provides a technical solution: the compression-resistant plastic-lined steel pipe comprises a plastic-lined steel pipe 1, wherein the plastic-lined steel pipe 1 comprises a plastic pipe 3 and an outer layer steel pipe 4, an outer side sleeve 2 is sleeved on the periphery of the outer layer steel pipe 4, an installation groove 401 is formed in the periphery of the outer layer steel pipe 4, and protection sleeves 5 are integrally formed on the periphery of the installation groove 401 at equal intervals;
the periphery of the protective sleeve 5 is fixedly provided with an oil buffer 6 at equal intervals, one side of the top of the oil buffer 6 is detachably provided with the protective sleeve 5, and a zinc-iron alloy layer 8 is integrally formed between the plastic pipe 3 and the outer layer steel pipe 4 through metal casting;
the plastic pipe 3 and the outer layer steel pipe 4 are connected and fastened through a zinc-iron alloy layer 8 to form a plastic lining steel pipe 1;
the multiple groups of protection sleeves 5 which are arranged on the circumference of the inner wall of the outer side mounting groove 401 of the outer layer steel pipe 4 at equal intervals can reduce impact under external gravity extrusion under the cooperation of the multiple groups of oil buffers 6, so that a buffer effect is achieved, the extrusion damage rate of external large extrusion force to the outer layer steel pipe 4 and the plastic pipe 3 is reduced, the buffer and the compression protection of the joint of the plastic pipe 3 and the outer layer steel pipe 4 are realized, and the compression resistance of the plastic lining steel pipe 1 is improved.
Wherein, oil filler hole is provided with on one side of oil buffer 6 top, and has sealing plug 7 through screw thread demountable installation in the oil filler hole inner wall, through with behind the ripple outside sleeve pipe 2, can disassemble back with sealing plug 7 screw thread department, pack buffer oil to oil buffer 6 inside.
Wherein, the inner wall of the mounting groove 401 and the inner wall of the plastic tube 3 are coated with preservative, and the joint of the inner wall of the plastic tube 3, the mounting groove 401 and the outer sleeve 2 is coated with preservative, so that the corrosion resistance of the plastic tube 3 and the outer layer steel tube 4 can be improved.
The protection sleeve 5 is of a ring-shaped structure, the protection sleeve 5 is of a ductile steel structure, the distance between every two adjacent groups of protection sleeves 5 is two centimeters, impact can be reduced by the aid of the plurality of groups of protection sleeves 5 under the cooperation of the plurality of groups of oil pressure buffers 6 when external gravity extrusion is carried out, a buffering effect is achieved, and therefore the extrusion damage rate of external large extrusion force to the outer layer steel pipe 4 and the plastic pipe 3 is reduced.
Wherein, oil buffer 6 end connection has the loose end 601, and the loose end 601 top is connected with outside sleeve pipe 2 inner wall, when this lining mould steel pipe 1 outside receives great extrusion force, outer steel pipe 4 can cushion outside extrusion force through multiunit protective sleeve pipe 5 on the peripheral circumference and under the cooperation of oil buffer 6 to reduce the great extrusion force of external world and extrude the damage rate to outer steel pipe 4 and plastic pipe 3.
Wherein, outside sleeve pipe 2 is ripple structure, and outside sleeve pipe 2 material is the same with protection sleeve pipe 5 material, and outside sleeve pipe 2 is clearance fit with mounting groove 401 inner wall, and ripple form outside sleeve pipe 2 is the elastic steel structure with protection sleeve pipe 5 for receive after the extrusion, can alleviate its surface impact, thereby improved this lining plastic steel pipe 1 overall stability.
Working principle: when the plastic lined steel pipe 1 is installed and used, the matched buffer oil is injected into the oil injection hole at the sealing plug 7, the sealing plug 7 is tightly installed through threads, the corrugated outer sleeve 2 is sleeved outside the plurality of groups of protection sleeves 5, finally, when the outer sleeve 2 is impacted, the plurality of groups of protection sleeves 5 which are arranged at equal intervals on the circumference of the inner wall of the outer installation groove 401 of the outer steel pipe 4 can reduce impact under external gravity extrusion under the cooperation of the plurality of groups of oil pressure buffers 6, so that the buffer effect is achieved, the extrusion damage rate of external large extrusion force to the outer steel pipe 4 and the plastic pipe 3 is reduced, the buffer and the compression protection to the joint of the plastic pipe 3 and the outer steel pipe 4 are realized, and the compression resistance of the plastic lined steel pipe 1 is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a resistance to compression lining plastic steel pipe, includes lining plastic steel pipe (1), its characterized in that: the plastic lining steel pipe (1) comprises a plastic pipe (3) and an outer steel pipe (4), an outer sleeve (2) is sleeved on the periphery of the outer steel pipe (4), a mounting groove (401) is formed in the periphery of the outer steel pipe (4), a protective sleeve (5) is formed in the periphery of the mounting groove (401) in an equidistant integrated mode, an oil pressure buffer (6) is fixedly arranged in the periphery of the protective sleeve (5) in an equidistant mode, the protective sleeve (5) is detachably arranged on one side of the top of the oil pressure buffer (6), and a zinc-iron alloy layer (8) is arranged between the plastic pipe (3) and the outer steel pipe (4).
2. A compression-resistant lined plastic steel pipe as claimed in claim 1, wherein: an oil filling hole is formed in one side of the top of the oil pressure buffer (6), and a sealing plug (7) is detachably mounted in the inner wall of the oil filling hole through threads.
3. A compression-resistant lined plastic steel pipe as claimed in claim 2, wherein: the inner wall of the mounting groove (401) and the inner wall of the plastic pipe (3) are coated with preservative.
4. A compression-resistant lined plastic steel pipe as claimed in claim 3, wherein: the protection sleeve (5) is of an annular structure, the protection sleeve (5) is of a ductile steel structure, and the distance between each two adjacent groups of protection sleeves (5) is two centimeters.
5. A compression-resistant lined plastic steel pipe as claimed in claim 4, wherein: the end part of the oil buffer (6) is connected with a movable end (601), and the top end of the movable end (601) is connected with the inner wall of the outer sleeve (2).
6. A compression-resistant lined plastic steel pipe as claimed in claim 5, wherein: the outside sleeve (2) is of a corrugated structure, the outside sleeve (2) is made of the same material as the protection sleeve (5), and the outside sleeve (2) is in clearance fit with the inner wall of the mounting groove (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909797.8U CN220435774U (en) | 2023-07-20 | 2023-07-20 | Compression-resistant plastic-lined steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321909797.8U CN220435774U (en) | 2023-07-20 | 2023-07-20 | Compression-resistant plastic-lined steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435774U true CN220435774U (en) | 2024-02-02 |
Family
ID=89699223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321909797.8U Active CN220435774U (en) | 2023-07-20 | 2023-07-20 | Compression-resistant plastic-lined steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435774U (en) |
-
2023
- 2023-07-20 CN CN202321909797.8U patent/CN220435774U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |