CN218883282U - Anticorrosive connection structure of pipeline adapter - Google Patents
Anticorrosive connection structure of pipeline adapter Download PDFInfo
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- CN218883282U CN218883282U CN202223072584.2U CN202223072584U CN218883282U CN 218883282 U CN218883282 U CN 218883282U CN 202223072584 U CN202223072584 U CN 202223072584U CN 218883282 U CN218883282 U CN 218883282U
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Abstract
The application relates to an anticorrosive connection structure of pipeline adapter, it relates to the anticorrosive technical field of pipeline. The utility model provides an anticorrosive connection structure of pipeline adapter includes adapter and steel pipe, the adapter has the lining to mould the layer with steel pipe welding and the inner wall connection of welding seam department, it has the joint bushing pipe to peg graft in the adapter, the external diameter of joint bushing pipe and the internal diameter phase-match of adapter, it has the pipeline bushing pipe to peg graft in the steel pipe, and the external diameter of pipeline bushing pipe is less than the steel pipe internal diameter, the joint bushing pipe links to each other with the pipeline bushing pipe, the pipeline bushing pipe links to each other with the steel pipe inner wall through sealed fender spare, pipeline bushing pipe and steel pipe inner wall form the recess, the recess is corresponding with lining plastics the layer, the pipeline bushing pipe is opened there is the first injecting glue hole that runs through in the position that corresponds the recess. The application can reduce the seam between the welding seam and the lining plastic layer that adapter and steel pipe are connected to reduce the contact of adapter and steel pipe medium in the hookup location of welding seam and pipeline, promote anticorrosive effect in the pipeline.
Description
Technical Field
The application relates to the technical field of pipeline corrosion prevention, in particular to an anticorrosive connecting structure of a pipeline adapter.
Background
When the standard steel pipe is installed and connected with the bulb, the outer diameters of the steel pipe and the bulb are not consistent, an adapter is needed, the pipeline with the smaller caliber can be subjected to plastic lining treatment for corrosion prevention at the welding seam of the adapter and the steel pipe, and the PE, PPR, PE-X and other thermoplastic plastic pipes are fixed at the welding seam of the adapter and the steel pipe through methods such as hot-pressing expansion and cold-drawing compounding.
The lining plastic pipeline anticorrosion technology of the related art is characterized in that after thermoplastic plastics are cooled and solidified, due to the property of expansion with heat and contraction with cold, a lining plastic layer can generate a gap with a pipeline welding line, so that a medium in the pipeline can enter from the gap and contact with the welding line, and the adapter and the steel pipe are corroded at the connecting position of the welding line.
SUMMERY OF THE UTILITY MODEL
In order to improve lining plastic layer expend with heat and contract with cold and pipeline welding seam production clearance, lead to medium to corrode the problem of adapter and steel pipe at the hookup location of welding seam in the pipeline, this application provides a pipeline adapter's anticorrosive connection structure.
The application provides a anticorrosive connection structure of pipeline adapter adopts following technical scheme:
the utility model provides an anticorrosive connection structure of pipeline adapter, includes adapter and steel pipe, the layer is moulded with the inner wall connection of steel tube welding and in welding seam department to the lining to the adapter, it has the joint bushing pipe to peg graft in the adapter, the external diameter that connects the bushing pipe and the internal diameter phase-match of adapter, it has the pipeline bushing pipe to peg graft in the steel pipe, just the external diameter of pipeline bushing pipe is less than the steel pipe internal diameter, it links to each other with the pipeline bushing pipe to connect the bushing pipe, the pipeline bushing pipe links to each other with the steel pipe inner wall through sealed fender spare, pipeline bushing pipe and steel pipe inner wall form the recess, the recess is moulded the layer with the lining and is corresponding, the pipeline bushing pipe is opened there is a first injection hole that runs through in the position that corresponds the recess.
Through adopting above-mentioned technical scheme, sealed piece of keeping to can fix joint bushing pipe and pipeline bushing pipe at adapter and steel pipe inner wall, pours into glue into from first injecting glue hole and can fill up the clearance around the lining plastic layer to reduced adapter and steel pipe and received the condition that medium corrodes in the pipeline at the hookup location of welding seam, prolonged the life of pipeline.
Optionally, the fastening assembly includes an elastic washer, a first clamping groove is formed in one end, away from the joint liner, of the pipeline liner, the elastic washer is installed in the first clamping groove, and the elastic washer abuts against the inner wall of the steel pipe.
Through adopting above-mentioned technical scheme, the elastic washer offsets and takes place deformation with the steel pipe inner wall when the pipeline bushing pipe is assembled to the power that produces reverse recovery deformation supports the elastic washer tightly at the steel pipe inner wall, is convenient for connect the fixed of bushing pipe and pipeline bushing pipe position.
Optionally, a snap ring is arranged in the elastic washer, and an opening is formed in the snap ring.
Through adopting above-mentioned technical scheme, be equipped with open-ended snap ring and can produce certain deformation, elastic washer and steel pipe inner wall butt and receive the extrusion when assembling the pipeline bushing pipe for the snap ring produces deformation and produces reverse tension, supports elastic washer tight at the steel pipe inner wall more firmly, thereby fixes the position of pipeline bushing pipe in the steel pipe inner wall.
Optionally, the inner wall of the steel pipe is provided with a connecting block, the connecting block is provided with a threaded hole, the pipeline liner tube is provided with a screw at a position corresponding to the connecting block, and the screw penetrates through the steel pipe liner tube and is in threaded connection with the threaded hole on the connecting block.
Through adopting above-mentioned technical scheme, the screw passes the pipeline bushing pipe from inside to outside and with screw hole threaded connection, can fix the relative position of pipeline bushing pipe in the steel pipe, and does not punch at the steel pipe outer wall, has reduced the possibility that the air got into the pipeline, has promoted the leakproofness of steel pipe.
Optionally, the screw is provided with a first sealing ring at the connection with the pipe liner.
Through adopting above-mentioned technical scheme, first sealing washer can reduce glue and spill over from the gap of pipeline bushing pipe and screw junction after injecting into from first injecting glue hole, has promoted the injecting glue effect.
Optionally, the inner wall of the steel pipe is provided with a positioning block, and the positioning block is abutted to one end, far away from the joint liner pipe, of the pipeline liner pipe.
Through adopting above-mentioned technical scheme, the locating piece can block and assistance-localization real-time when the pipeline bushing pipe inserts appointed position in the steel pipe, is convenient for align the screw on the pipeline bushing pipe with the screwed hole on the connecting block, and the follow-up screw of being convenient for is fixed the pipeline bushing pipe at the steel pipe inner wall.
Optionally, a second clamping groove is formed in the joint liner tube, a second sealing ring is arranged in the second clamping groove, and the second sealing ring is tightly abutted to the inner wall of the adapter.
Through adopting above-mentioned technical scheme, the second sealing washer can reduce the clearance between joint bushing pipe and the adapter, has promoted the leakproofness of lining plastic layer department, and the follow-up injecting glue of being convenient for can fill up the clearance around the lining plastic layer.
Optionally, the joint liner tube is provided with a second glue injection hole on one side of the second seal ring away from the plastic lining layer.
Through adopting above-mentioned technical scheme, pour into glue through second injecting glue hole and can fill up the clearance between joint bushing pipe and the adapter inner wall to the fixed of supplementary joint bushing pipe position.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the joint liner pipe and the pipeline liner pipe are fixed on the adapter and the inner wall of the steel pipe, and glue is injected by matching with the first glue injection hole to fill the gap around the lining plastic layer, so that the contact between a medium in the pipeline and a welding seam can be reduced, the corrosion prevention effect in the pipeline is improved, and the service life of the pipeline is prolonged;
2. the snap ring can generate reverse tension when being extruded by the inner wall of the steel pipe, so that the elastic washer is tightly propped against the inner wall of the steel pipe, and the position of the pipeline liner in the steel pipe is favorably fixed;
3. the locating piece in the steel pipe can give when the pipeline bushing pipe removes appointed position in the steel pipe and block, is convenient for aim at the screw hole on the connecting block with the screw on the pipeline bushing pipe, and the pipeline bushing pipe of being convenient for is fixed, and first sealing washer can reduce spilling over of glue behind the injecting glue simultaneously.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Fig. 4 is a schematic structural diagram for embodying an elastic gasket according to an embodiment of the present application.
Fig. 5 is an enlarged schematic view of a portion C in fig. 1.
Description of reference numerals: 1. an adapter; 2. a steel pipe; 3. a plastic lining layer; 4. a joint liner; 5. a conduit liner; 6. sealing the abutting piece; 61. an elastic washer; 7. a groove; 8. a first glue injection hole; 9. a first card slot; 10. a snap ring; 11. an opening; 12. connecting blocks; 13. a screw; 14. a first seal ring; 15. positioning a block; 16. a second card slot; 17. a second seal ring; 18. and a second glue injection hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses anticorrosive connection structure of pipeline adapter, refer to fig. 1 and fig. 2, including adapter 1 and steel pipe 2, adapter 1 moulds fixedly connected with lining plastic layer 3 through the lining with steel pipe 2 through welded fastening connection and at the inner wall of welding seam department, the both ends that the lining plastic layer 3 links to each other with adapter 1 inner wall and steel pipe 2 inner walls respectively, it has joint bushing pipe 4 to peg graft in the adapter 1, the external diameter that connects bushing pipe 4 and adapter 1's internal diameter phase-match, it has pipeline bushing pipe 5 to peg graft in the steel pipe 2, the external diameter of pipeline bushing pipe 5 is less than 2 internal diameters of steel pipe, joint bushing pipe 4 passes through welded fastening connection with pipeline bushing pipe 5, pipeline bushing pipe 5 links to each other with 2 inner walls of steel pipe through sealed piece 6 that supports.
As shown in fig. 3 and 4, the sealing and abutting member 6 includes an elastic washer 61, a first clamping groove 9 is formed in one end of the pipe liner 5 away from the joint liner 4, the elastic washer 61 is fixedly connected in the first clamping groove 9, a snap ring 10 is fixedly connected in the elastic washer 61, the snap ring 10 is a circular ring with an opening 11, the snap ring 10 and the elastic washer 61 are concentrically arranged and have elasticity, and the elastic washer 61 abuts against the inner wall of the steel pipe 2 through the snap ring 10. After the pipe liner 5 is inserted into the steel pipe 2, the elastic washer 61 is extruded by the inner wall of the steel pipe 2, so that the snap ring 10 deforms, the snap ring 10 generates reverse tension, and the elastic washer 61 is tightly abutted against the inner wall of the steel pipe 2, so that the position of the pipe liner 5 is fixed.
As shown in fig. 2 and 3, a groove 7 is formed between the pipeline liner tube 5 and the inner wall of the steel pipe 2, and the position of the groove 7 corresponds to the plastic lining layer 3. The pipeline liner pipe 5 is provided with two first glue injection holes 8 which penetrate through at the positions corresponding to the grooves 7, and the two first glue injection holes 8 are symmetrically distributed perpendicular to the axis of the pipeline liner pipe 5. 2 inner wall fixedly connected with connecting block 12 of steel pipe, connecting block 12 just has four at 2 inner wall circumference equidistance distributions of steel pipe, connecting block 12 is located between first notes gluey hole 8 and the elastic washer 61, open threaded hole on connecting block 12, screw 13 is worn to be equipped with at the position that corresponds connecting block 12 by pipeline bushing pipe 5, screw 13 is equipped with first sealing washer 14 with the junction cover of pipeline bushing pipe 5, screw 13 by interior and outer run through 2 bushing pipes of steel pipe and with the threaded hole threaded connection on connecting block 12, it supports tightly at 5 inner walls of pipeline bushing pipe to screw up screw 13 with first sealing washer 14, it is fixed with 2 inner walls of steel pipe 5 and steel pipe simultaneously. An operator inserts the glue injection pipe into the first glue injection hole 8 positioned below and injects glue to fill the gap between the groove 7 and the plastic lining layer 3.
As shown in fig. 5, a second clamping groove 16 is formed in the adapter liner 4, a second sealing ring 17 is fixedly connected in the second clamping groove 16, and the second sealing ring 17 abuts against the inner wall of the adapter 1. Two second glue injection holes 18 distributed up and down are formed in one end, far away from the plastic lining layer 3, of the joint liner tube 4, of the second sealing ring 17, and the second glue injection holes 18 are symmetrically distributed perpendicular to the axis of the joint liner tube 4. The operator inserts the injecting glue pipe into the second injecting glue hole 18 that is located the below and pours into glue into for glue fills up the gap between joint bushing pipe 4 and adapter 1 inner wall, fixes joint bushing pipe 4 at adapter 1 inner wall.
As shown in fig. 1, 2 inner walls of steel pipe fixedly connected with locating piece 15, locating piece 15 are the internal diameter that annular and locating piece 15 are less than the internal diameter of pipeline bushing pipe 5, and the one end butt of joint bushing pipe 4 is kept away from with pipeline bushing pipe 5 to locating piece 15, and when locating piece 15 and 5 tip butts of pipeline bushing pipe, screw 13 of wearing to establish on pipeline bushing pipe 5 can align with screw hole 13 on connecting block 12.
During the assembly, the operator inserts pipeline bushing pipe 5 and joint bushing pipe 4 in proper order in adapter 1, stops to remove after pipeline bushing pipe 5 contacts the locating piece 15 of 2 inner walls of steel pipe for screw 13 aligns with the screwed hole on connecting block 12, and second sealing washer 17 on the joint bushing pipe 4 supports tightly with adapter 1 inner wall simultaneously.
The implementation principle of the embodiment of the application is as follows: an operator connects the lining plastic layer 3 to the welding seam of the inner wall of the adapter 1 and the steel pipe 2 through lining plastic treatment, then the joint liner pipe 4 is assembled with the pipe liner pipe 5, the inserting position of the pipe liner pipe 5 in the assembling process is limited through the positioning block 15, the screw 13 on the pipe liner pipe 5 is aligned with the threaded hole in the connecting block 12, then the screw 13 is screwed from the inside of the pipe liner pipe 5, the pipe liner pipe 5 is fixed at the designated position of the inner wall of the steel pipe 2 by matching the abutting action of the elastic gasket 61 and the inner wall of the steel pipe 2, meanwhile, the joint liner pipe 4 abuts against the inner wall of the adapter 1 through the second sealing ring 17, then the operator fixes the position of the joint liner pipe 4 by injecting glue into the second glue injection hole 18, then glue is injected into the first glue injection hole 8, the gap around the groove 7 and the lining plastic layer 3 is filled, thereby the contact between the medium in the pipe and the connecting position of the welding seam of the joint 1 and the steel pipe 2 is reduced, and the welding seam of the joint 1 and the steel pipe 2 is not easy to corrode by the medium, and the inner corrosion of the pipeline is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anticorrosive connection structure of pipeline adapter, includes adapter (1) and steel pipe (2), its characterized in that, adapter (1) and steel pipe (2) welding and have lining plastic layer (3) at the inner wall of welding seam department, adapter (1) interpolation has joint bushing pipe (4), the external diameter of joint bushing pipe (4) and the internal diameter phase-match of adapter (1), steel pipe (2) interpolation has pipeline bushing pipe (5), just the external diameter of pipeline bushing pipe (5) is less than steel pipe (2) internal diameter, joint bushing pipe (4) link to each other with pipeline bushing pipe (5), pipeline bushing pipe (5) link to each other with steel pipe (2) inner wall through sealed retaining piece (6), pipeline bushing pipe (5) and steel pipe (2) inner wall form recess (7), recess (7) are corresponding with lining plastic layer (3), pipeline (5) are opened in the position that corresponds recess (7) have first glue injection hole (8) that run through.
2. The anti-corrosion connecting structure of a pipeline adapter according to claim 1, wherein: sealed piece (6) of keeping away from include elastic gasket (61), the one end of joint bushing pipe (4) is opened in pipeline bushing pipe (5) has first draw-in groove (9), install in first draw-in groove (9) elastic gasket (61), just elastic gasket (61) support tightly with steel pipe (2) inner wall.
3. The anti-corrosion connecting structure of a pipeline adapter according to claim 2, wherein: a clamping ring (10) is arranged in the elastic washer (61), and an opening (11) is formed in the clamping ring (10).
4. The corrosion-resistant connecting structure of a pipeline adapter according to claim 2, wherein: the inner wall of the steel pipe (2) is provided with a connecting block (12), a threaded hole is formed in the connecting block (12), a screw (13) is arranged at the position, corresponding to the connecting block (12), of the pipeline liner pipe (5), and the screw (13) penetrates through the steel pipe (2) liner pipe and is in threaded connection with the threaded hole in the connecting block (12).
5. The corrosion-resistant connection structure of a pipeline adapter according to claim 4, wherein: the screw (13) is provided with a first sealing ring (14) at the joint with the pipeline liner tube (5).
6. The corrosion-resistant connection structure of a pipeline adapter according to claim 4, wherein: the inner wall of the steel pipe (2) is provided with a positioning block (15), and the positioning block (15) is abutted to one end, far away from the joint liner pipe (4), of the pipeline liner pipe (5).
7. The corrosion-resistant connection structure of a pipeline adapter according to claim 1, wherein: a second clamping groove (16) is formed in the joint liner tube (4), a second sealing ring (17) is arranged in the second clamping groove (16), and the second sealing ring (17) is tightly abutted to the inner wall of the adapter (1).
8. The corrosion-resistant connection structure of a pipeline adapter according to claim 7, wherein: and a second glue injection hole (18) is formed in one side, far away from the plastic lining layer (3), of the second sealing ring (17) of the joint liner pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072584.2U CN218883282U (en) | 2022-11-18 | 2022-11-18 | Anticorrosive connection structure of pipeline adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072584.2U CN218883282U (en) | 2022-11-18 | 2022-11-18 | Anticorrosive connection structure of pipeline adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218883282U true CN218883282U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223072584.2U Active CN218883282U (en) | 2022-11-18 | 2022-11-18 | Anticorrosive connection structure of pipeline adapter |
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| Country | Link |
|---|---|
| CN (1) | CN218883282U (en) |
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- 2022-11-18 CN CN202223072584.2U patent/CN218883282U/en active Active
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