CN220523505U - PVC pipe connection sealing structure - Google Patents
PVC pipe connection sealing structure Download PDFInfo
- Publication number
- CN220523505U CN220523505U CN202322201718.4U CN202322201718U CN220523505U CN 220523505 U CN220523505 U CN 220523505U CN 202322201718 U CN202322201718 U CN 202322201718U CN 220523505 U CN220523505 U CN 220523505U
- Authority
- CN
- China
- Prior art keywords
- fixed
- connecting seat
- bevel gear
- pipeline
- wall
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims abstract description 19
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 14
- 239000004800 polyvinyl chloride Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 238000010030 laminating Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000012945 sealing adhesive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a PVC pipe connecting and sealing structure, and belongs to the technical field of PVC pipes. The utility model provides a PVC union coupling seal structure, includes two pipelines and connecting seat, and two pipelines are located the both sides of connecting seat, and circular through-hole has been seted up to one side of connecting seat, and the fixed cover of circular through-hole inner wall of connecting seat is equipped with interior intubate, and the both sides of connecting seat all are fixed with the outer tube, and two pipelines are located between outer tube and the interior intubate, and the fixed cover in the outside of interior intubate is equipped with the sealing washer. According to the utility model, the butt joint between pipelines is realized through the arrangement of the outer sleeve and the inner insertion pipe, the inner wall of the pipeline is sealed through the sealing ring, and the two extrusion rings are far away from each other and slide through the arrangement of the structures such as the rotating shaft, the second bevel gear, the first bevel gear and the fixed block, and the edge of the inner wall of the inner insertion pipe is extruded, so that the sealing ring and the pipeline are attached more tightly, the pipeline is limited, and the sealing property after the pipeline connection is improved.
Description
Technical Field
The utility model belongs to the technical field of PVC pipes, and particularly relates to a PVC pipe connecting and sealing structure.
Background
PVC pipe is also called hard polyvinyl chloride pipe, which is formed by compounding polyvinyl chloride resin with stabilizer, lubricant and the like and then extruding by hot pressing, and is the plastic pipe developed and applied at the earliest time. The pipeline has strong corrosion resistance, easy adhesion, low price and hard texture. Plastic pipes are used for drainage, waste water, chemicals, heating and cooling fluids, food products, ultrapure liquids, slurries, gases, compressed air and vacuum systems.
In the prior art, when installing and connecting between the PVC pipes, mostly adopt the mode of cup jointing to connect, then twine through sealing tape and form seal structure to seal, after long-time use, ageing not hard up appears in the sealing tape easily, makes sealed effect relatively poor, takes place the condition of infiltration easily.
Therefore, a PVC pipe connection sealing structure is needed, and the problem that the sealing effect is poor after the PVC pipe connection in the prior art is solved.
Disclosure of Invention
The utility model aims to provide a PVC pipe connecting and sealing structure to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a PVC union coupling seal structure, includes two pipelines and connecting seat, two the pipeline is located the both sides of connecting seat, circular through-hole has been seted up to one side of connecting seat, the fixed cover of circular through-hole inner wall of connecting seat is equipped with interior intubate, the both sides of connecting seat all are fixed with the outer tube, two the pipeline is located between outer tube and the interior intubate, the fixed cover in the outside of interior intubate is equipped with the sealing washer, the top of connecting seat rotates and is connected with two pivots, two the bottom of pivot corresponds the interior intubate and is fixed with the second bevel gear, the equal symmetry in inner wall both sides of interior intubate is fixed with two fixed blocks, two one side rotation of fixed block is connected with the threaded rod, the outside middle part of threaded rod is fixed with first bevel gear, first bevel gear and second bevel gear meshing transmission, the outside symmetry thread bush of threaded rod is equipped with two movable blocks, interior intubate inner wall symmetry sliding connection has two extrusion rings, two the one end of movable block is fixed with two extrusion ring interiorly respectively.
In the scheme, the top of connecting seat is fixed with the fixing base, two movable grooves have been seted up to the top symmetry of fixing base, the movable groove inner wall of fixing base is fixed with the spring, the one end of spring corresponds movable groove and is fixed with the inserted bar, the one end and the pivot grafting of inserted bar.
It is further worth to say that the outside of inserted bar is fixed with the pull block, the pull block activity runs through the movable groove.
It should be further noted that the length of the outer sleeve is greater than that of the inner sleeve, and the inner edge of the outer sleeve is a slope.
Preferably, a rotating block is fixed at the top end of the rotating shaft, and the first bevel gear and the second bevel gear are positioned between the two fixed blocks.
Preferably, the inner edge of the inner insertion tube is inclined.
Compared with the prior art, the PVC pipe connecting and sealing structure provided by the utility model has the following beneficial effects:
(1) According to the utility model, the butt joint between pipelines is realized through the arrangement of the outer sleeve and the inner insertion pipe, the inner wall of the pipeline is sealed through the sealing ring, and the two extrusion rings are far away from each other and slide through the arrangement of the structures such as the rotating shaft, the second bevel gear, the first bevel gear, the threaded rod, the fixed block and the like, and the edge of the inner wall of the inner insertion pipe is extruded, so that the sealing ring and the pipeline are attached to each other more tightly, the pipeline is limited, and the sealing performance after the pipeline connection is improved.
(2) When the extrusion ring extrudes the inner insertion tube to limit, the inserted bar is pushed to move in the movable groove under the elasticity of the spring, and the inserted bar is inserted into the rotating shaft, so that the rotating shaft is limited, the extrusion ring is limited, and the stability of the extrusion ring after extrusion is maintained.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of a partial structure of the present utility model;
fig. 4 is a partial structural cross-sectional view of the present utility model.
In the figure:
1. a pipe; 2. a connecting seat; 3. an outer sleeve; 4. a rotating shaft; 5. a rod; 6. a fixing seat; 7. a rotating block; 8. a spring; 9. a movable groove; 10. pulling blocks; 11. a fixed block; 12. an inner cannula; 13. a seal ring; 14. a pressing ring; 15. a moving block; 16. a threaded rod; 17. a first bevel gear; 18. and a second bevel gear.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-4, the utility model provides a PVC pipe connection sealing structure, comprising two pipes 1 and a connection seat 2, wherein the two pipes 1 are located at two sides of the connection seat 2, one side of the connection seat 2 is provided with a circular through hole, an inner insertion pipe 12 is fixedly sleeved on the inner wall of the circular through hole of the connection seat 2, an outer sleeve 3 is fixedly arranged at two sides of the connection seat 2, the two pipes 1 are located between the outer sleeve 3 and the inner insertion pipe 12, a sealing ring 13 is fixedly sleeved on the outer side of the inner insertion pipe 12, and the inner wall of the pipe 1 is sealed by the sealing ring 13; the top of the connecting seat 2 is rotationally connected with two rotating shafts 4, the bottom ends of the two rotating shafts 4 are correspondingly fixed with second bevel gears 18 on the inner insertion tube 12, two fixing blocks 11 are symmetrically fixed on two sides of the inner wall of the inner insertion tube 12, one side of each of the two fixing blocks 11 is rotationally connected with a threaded rod 16, a first bevel gear 17 is fixed in the middle of the outer side of each threaded rod 16, the first bevel gear 17 and the second bevel gears 18 are in meshed transmission, the first bevel gear 17 and the second bevel gears 18 are positioned between the two fixing blocks 11, two moving blocks 15 are symmetrically sleeved on the outer side of each threaded rod 16, two sections of threads with opposite screw directions are symmetrically arranged on the surface of each threaded rod 16, and the two moving blocks 15 are respectively sleeved on the two sections of threads in a threaded manner, so that when the threaded rods 16 rotate, the two moving blocks 15 are driven to move close to or away from each other; the inner wall of the inner insertion tube 12 is symmetrically and slidably connected with two extrusion rings 14, one ends of two moving blocks 15 are respectively fixed with the inner sides of the two extrusion rings 14, and the second bevel gear 18 is driven to rotate through the rotating shaft 4, so that the first bevel gear 17 is driven to rotate, the threaded rod 16 is driven to rotate on the fixed block 11, the moving blocks 15 are enabled to move away from each other, the two extrusion rings 14 are driven to slide away from each other, and the inner insertion tube 12 is extruded.
The scheme comprises the following working processes: when the PVC pipe is connected, the mode of cup jointing is mostly adopted, then the sealing structure is formed through the winding of the sealing adhesive tape, thereby seal, after long-time use, ageing loosening easily appears in the sealing adhesive tape, make the sealing effect worse, the condition of infiltration easily takes place, through inserting two pipelines 1 respectively between outer tube 3 and inner tube 12, carry out sealing treatment to the inner wall of pipeline 1 through sealing washer 13, after inserting tightly, through rotating pivot 4, drive second bevel gear 18 and rotate, thereby drive first bevel gear 17 and rotate, and then drive threaded rod 16 and rotate on fixed block 11, make movable block 15 keep away from each other and remove, thereby drive two extrusion rings 14 and keep away from each other and slide, the inner wall diameter of inner tube 12 is outwards removal diameter gradually diminish more, thereby extrusion ring 14 extrudes inner wall edge of inner tube 12, make sealing washer 13 and pipeline 1 laminating tighter, thereby carry out spacing to pipeline 1.
The working process can be as follows: through the setting of outer tube 3 and inner tube 12, realized the butt joint between the pipeline 1, carry out sealing treatment through sealing washer 13 to the inner wall of pipeline 1, through the setting of pivot 4, second bevel gear 18, first bevel gear 17, threaded rod 16 and fixed block 11 isotructure, realized that two extrusion rings 14 keep away from each other and slide to the inner wall edge of inside tube 12 is extruded, make the tighter effect of sealing washer 13 and pipeline 1 laminating, thereby carry out spacingly to pipeline 1, improve the leakproofness after pipeline 1 connects.
Further, as shown in fig. 2, it is worth specifically explaining that a fixed seat 6 is fixed at the top of the connecting seat 2, two movable grooves 9 are symmetrically formed at the top of the fixed seat 6, a spring 8 is fixed on the inner wall of the movable groove 9 of the fixed seat 6, one end of the spring 8 is fixed with an inserting rod 5 corresponding to the movable groove 9, one end of the inserting rod 5 is spliced with the rotating shaft 4, when the extrusion ring 14 extrudes the inner insertion tube 12 for limiting, the inserting rod 5 is pushed to move in the movable groove 9 under the elasticity of the spring 8, the inserting rod 5 is inserted into the rotating shaft 4, so that the rotating shaft 4 is limited, the extrusion ring 14 is limited, and the stability of the extruded extrusion ring 14 is maintained; the outside of inserted bar 5 is fixed with pull block 10, and pull block 10 activity runs through movable groove 9, and pull block 10 is convenient for the activity of inserted bar 5.
As further shown in fig. 2 and 4, it is worth specifically explaining that the length of the outer sleeve 3 is longer than that of the inner sleeve 12, the inner edge of the outer sleeve 3 is inclined, and the inclined surface of the outer sleeve 3 facilitates the insertion of the pipeline 1; the inner edge of the inner insertion tube 12 is an inclined plane, and the inclined plane of the inner insertion tube 12 is convenient for the extrusion of the extrusion ring 14; the top of pivot 4 is fixed with the commentaries on classics piece 7, and commentaries on classics piece 7 are convenient for the rotation of pivot 4.
To sum up: through the setting of outer tube 3 and inner tube 12, realized the butt joint between the pipeline 1, carry out sealing treatment through sealing washer 13 to the inner wall of pipeline 1, through the setting of structures such as pivot 4, second bevel gear 18, first bevel gear 17, threaded rod 16 and fixed block 11, realized that two extrusion rings 14 keep away from each other and slide, and the inner wall edge of extrusion inner tube 12, make the tighter effect of sealing washer 13 and pipeline 1 laminating, thereby carry out spacingly to pipeline 1, improve pipeline 1 and connect the back leakproofness, when extrusion ring 14 extrudes inner tube 12 and carries out spacingly, under the elasticity of spring 8, promote inserted bar 5 and remove in movable slot 9, inserted bar 5 inserts in pivot 4, thereby carry out spacingly to pivot 4, and then carry out spacingly to extrusion ring 14, keep the stability after extrusion ring 14 extrudes.
Claims (6)
1. The utility model provides a PVC pipe connection seal structure, includes two pipeline (1) and connecting seat (2), its characterized in that, two pipeline (1) are located the both sides of connecting seat (2), circular through-hole has been seted up to one side of connecting seat (2), the fixed cover of circular through-hole inner wall of connecting seat (2) is equipped with inside pipe (12), the both sides of connecting seat (2) all are fixed with outer tube (3), two pipeline (1) are located between outer tube (3) and inside pipe (12), the outside fixed cover of inside pipe (12) is equipped with sealing washer (13), the top rotation of connecting seat (2) is connected with two pivot (4), two the bottom of pivot (4) is fixed with second bevel gear (18) corresponding to inside pipe (12), the equal symmetry in inner wall both sides of inside pipe (12) is fixed with two fixed block (11), and one side rotation of fixed block (11) is connected with threaded rod (16), the outside middle part of threaded rod (16) is fixed with first bevel gear (17), first bevel gear (17) and second bevel gear (16) are equipped with two bevel gear (16) symmetry, two bevel gear (16) are equipped with two taper gear (16) and are connected with two taper gear (12) and are equipped with the slip sleeve, one end of each of the two moving blocks (15) is fixed with the inner sides of the two extrusion rings (14).
2. The PVC pipe connection sealing structure according to claim 1, wherein: the top of connecting seat (2) is fixed with fixing base (6), two movable grooves (9) have been seted up to the top symmetry of fixing base (6), the movable groove (9) inner wall of fixing base (6) is fixed with spring (8), the one end of spring (8) corresponds movable groove (9) and is fixed with inserted bar (5), the one end and the pivot (4) grafting of inserted bar (5).
3. The PVC pipe connection sealing structure according to claim 2, wherein: a pull block (10) is fixed on the outer side of the inserted link (5), and the pull block (10) movably penetrates through the movable groove (9).
4. The PVC pipe connection sealing structure according to claim 1, wherein: the length of the outer sleeve (3) is larger than that of the inner insertion tube (12), and the inner side edge of the outer sleeve (3) is an inclined plane.
5. The PVC pipe connection sealing structure according to claim 1, wherein: the top end of the rotating shaft (4) is fixed with a rotating block (7), and the first bevel gear (17) and the second bevel gear (18) are positioned between the two fixed blocks (11).
6. The PVC pipe connection sealing structure according to claim 1, wherein: the inner side edge of the inner insertion tube (12) is an inclined plane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322201718.4U CN220523505U (en) | 2023-08-16 | 2023-08-16 | PVC pipe connection sealing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322201718.4U CN220523505U (en) | 2023-08-16 | 2023-08-16 | PVC pipe connection sealing structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220523505U true CN220523505U (en) | 2024-02-23 |
Family
ID=89937776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322201718.4U Active CN220523505U (en) | 2023-08-16 | 2023-08-16 | PVC pipe connection sealing structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220523505U (en) |
-
2023
- 2023-08-16 CN CN202322201718.4U patent/CN220523505U/en active Active
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