CN218267779U - Structure for quickly connecting plastic pipe and steel pipe - Google Patents
Structure for quickly connecting plastic pipe and steel pipe Download PDFInfo
- Publication number
- CN218267779U CN218267779U CN202221895919.8U CN202221895919U CN218267779U CN 218267779 U CN218267779 U CN 218267779U CN 202221895919 U CN202221895919 U CN 202221895919U CN 218267779 U CN218267779 U CN 218267779U
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- flange
- steel pipe
- steel
- pipe
- plastic
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Abstract
The utility model discloses a structure of high-speed joint plastic tubing and steel pipe, including steel pipe flange, flange cover, steel ring gear and catch, the steel pipe flange is located the tip outside of steel pipe connection end, and the steel ring gear is pressed on inlaying on the surface of plastic tubing through the flange cover of locating the plastic tubing connection end tip outside, and the flange cover is formed by first annular structure and the concatenation of second annular structure, and the cone-shaped end of flange cover passes through catch locking, and hexagonal bolt passes the link of flange cover and the sealing connection of steel pipe and plastic tubing connection end in proper order with the steel pipe flange realization. Adopt the utility model discloses a connection structure need not handle the plastic tubing in advance, directly connect can, convenient and fast is dismantled in the installation.
Description
Technical Field
The utility model belongs to the technical field of the tubular product connection structure, concretely relates to structure of high-speed joint plastic tubing and steel pipe.
Background
In many engineering pipe applications, it is often necessary to join steel pipes to plastic pipes. The more common connection is by flanges through a steel plastic crossover sub or by flanging or butting a flanged end to the plastic pipe. No matter which mode, all need to carry out the preliminary treatment to the plastic tubing, manufacturing cost is high moreover, and it is troublesome to connect, inconvenient maintenance.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a structure of high-speed joint plastic tubing and steel pipe.
In order to achieve the purpose, the following technical scheme is provided:
the utility model provides a structure of high-speed joint plastic tubing and steel pipe, including the steel pipe flange, the flange cover, steel ring gear and catch, the tip outside of steel pipe connection end is located to the steel pipe flange, the steel ring gear is pressed and is inlayed on the surface of plastic tubing through the flange cover of locating the plastic tubing connection end tip outside, realize the fixed connection of flange cover and plastic tubing through the steel ring gear, the flange cover is formed by first cyclic annular structure and the concatenation of second cyclic annular structure, the toper end of flange cover passes through the catch locking, in order to realize the concatenation of first cyclic annular structure and second cyclic annular structure, hexagonal bolt passes the link of flange cover and steel pipe flange in proper order and realizes the sealing connection of steel pipe and plastic tubing connection end.
Further, annular dovetail groove has been seted up to flange cover's toper end internal surface, and embedded steel ring gear in the annular dovetail groove, steel ring gear's radial cross-section is trapezoidal, agrees with annular dovetail groove, and the inboard is the sawtooth structure, and the sawtooth structure is towards the plastic tubing surface and imbeds the plastic tubing, and along with flange cover's continuous locking, the sawtooth structure imbeds gradually, provides stable axial force.
Furthermore, the connecting end face of the flange sleeve is flush with the end part of the plastic pipe, a sealing ring groove is formed in the connecting end face of the flange sleeve, an L-shaped sealing ring is arranged in the sealing ring groove and located between the steel pipe flange and the flange sleeve, and the connecting seam between the steel pipe and the plastic pipe is sealed, so that sealing between the flange sleeve and the plastic pipe can be achieved, and sealing between the flange sleeve and the steel pipe flange can also be achieved.
Further, the outside of the conical end of the flange sleeve is provided with threads, the inner side of the locking ring is of a conical thread structure and is in threaded locking connection with the conical end of the flange sleeve, a boss is arranged outside the locking ring, and the boss is knocked through the annular direction to achieve further locking of the locking ring.
Furthermore, the hexagon bolts sequentially penetrate through the flat gasket, the connecting end of the flange sleeve and the steel pipe flange to realize the sealing connection of the connecting end of the steel pipe and the plastic pipe, and are fixed through nuts.
The beneficial effects of the utility model reside in that:
adopt the utility model discloses a connection structure need not handle the plastic tubing in advance, directly connect can, convenient and fast is dismantled in the installation, adopts the steel ring gear to make to connect inseparabler, adopts catch locking, operates more swiftly.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the assembled three-dimensional structure of the present invention;
fig. 3 is a schematic sectional three-dimensional structure view of the flange sleeve of the present invention;
fig. 4 is a schematic perspective view of the steel ring gear of the present invention.
In the figure: 1. a steel pipe; 2. a steel pipe flange; 3. a nut; 4. a hexagon bolt; 5. a flange sleeve; 51. a seal ring groove; 52. an annular trapezoidal groove; 53. a first cyclic structure; 54. a second ring-shaped structure; 6. an L-shaped seal ring; 7. flattening the cushion; 8. a steel toothed ring; 81. a sawtooth structure; 9. a locking ring; 91. a boss; 10. and (3) a plastic pipe.
Detailed Description
The present invention will be further described with reference to the drawings, but the scope of the present invention is not limited thereto.
As shown in fig. 4, the radial cross section of the steel ring gear 8 is trapezoidal, and the inner side of the steel ring gear is uniformly provided with saw tooth structures 81.
As shown in fig. 3, two annular trapezoidal grooves 52 are formed in the inner surface of the tapered end of the flange sleeve 5, the steel toothed ring 8 is embedded in the annular trapezoidal grooves 52, and a seal ring groove 51 is formed in the connecting end surface of the flange sleeve 5.
As shown in fig. 1 and 2, a structure for rapidly connecting a plastic pipe and a steel pipe, including a steel pipe flange 2 disposed outside a connecting end of a steel pipe 1, a flange sleeve 5 disposed outside a connecting end of a plastic pipe 10, a steel gear ring 8 and a locking ring 9, the steel gear ring 8 is engaged with an annular trapezoidal groove 52, a saw tooth structure 81 faces the outer surface of the plastic pipe 10, the flange sleeve 5 is formed by splicing a first annular structure 53 and a second annular structure 54, the steel gear ring 8 is disposed in the annular trapezoidal groove 52, an L-shaped sealing ring 6 is disposed in a sealing ring groove 51, on the plastic pipe 10, the flange sleeve 5 is spliced, a connecting end face of the flange sleeve 5 is flush with an end of the plastic pipe 10, the L-shaped sealing ring 6 is located between the steel pipe flange 2 and the flange sleeve 5, a connecting seam between the steel pipe 1 and the plastic pipe 10, a hexagon bolt 4 sequentially passes through a flat gasket 7, the connecting end of the flange sleeve 5 and the steel pipe flange 2 to realize the sealing connection of the steel pipe 1 and the plastic pipe 10, and is fixed through a nut 3, a conical end of the flange sleeve 5 is provided with a boss 91, the locking ring 9 is continuously pressed into the steel gear ring 9, the locking ring 9 is further connected with the boss 91 of the plastic pipe flange sleeve 5, the locking ring 9, the locking ring 5, the locking ring is further realized by a boss of the locking ring 9, the locking ring structure, the locking ring 9 and the locking ring 9, and the locking ring is further connected with the boss of the plastic pipe flange 5, the locking ring 5, the boss of the steel pipe flange 5, and the locking ring boss of the locking ring structure.
Claims (6)
1. The utility model provides a structure of high-speed joint plastic tubing and steel pipe, its characterized in that includes steel pipe flange (2), flange cover (5), steel ring gear (8) and catch (9), the tip outside of steel pipe (1) link is located in steel pipe flange (2), steel ring gear (8) are pressed through flange cover (5) of locating plastic tubing (10) link tip outside and are inlayed on the surface of plastic tubing (10), flange cover (5) are formed by first cyclic annular structure (53) and the concatenation of second cyclic annular structure (54), the cone end of flange cover (5) passes through catch (9) locking, hexagonal bolt (4) pass the link of flange cover (5) in proper order and steel pipe flange (2) realize the sealing connection of steel pipe (1) and plastic tubing (10) link.
2. A structure for rapidly connecting a plastic pipe and a steel pipe as claimed in claim 1, wherein the inner surface of the tapered end of the flange sleeve (5) is provided with an annular trapezoidal groove (52), a steel toothed ring (8) is embedded in the annular trapezoidal groove (52), the radial section of the steel toothed ring (8) is trapezoidal, the radial section of the steel toothed ring is engaged with the annular trapezoidal groove (52), the inner side of the steel toothed ring is provided with a saw-tooth structure (81), and the saw-tooth structure (81) faces the outer surface of the plastic pipe (10) and is embedded in the plastic pipe (10).
3. The structure for quickly connecting the plastic pipe and the steel pipe as claimed in claim 2, wherein the connecting end surface of the flange sleeve (5) is flush with the end of the plastic pipe (10), the connecting end surface of the flange sleeve (5) is provided with a sealing ring groove (51), an L-shaped sealing ring (6) is arranged in the sealing ring groove (51), the L-shaped sealing ring (6) is positioned between the steel pipe flange (2) and the flange sleeve (5), and the connecting joint of the steel pipe (1) and the plastic pipe (10) is sealed.
4. A structure for rapidly connecting a plastic pipe and a steel pipe as claimed in claim 3, wherein the outside of the tapered end of the flange sleeve (5) is threaded, and the inside of the locking ring (9) is tapered threaded and is in threaded locking connection with the tapered end of the flange sleeve (5).
5. The structure for rapidly connecting the plastic pipe and the steel pipe as claimed in claim 1, wherein the hexagon bolt (4) sequentially passes through the flat gasket (7), the connecting end of the flange sleeve (5) and the steel pipe flange (2) to realize the sealing connection of the connecting end of the steel pipe (1) and the plastic pipe (10), and is fixed by the nut (3).
6. A structure for quick connecting plastic pipes and steel pipes according to claim 4 characterized in that the outside of the locking ring (9) is provided with a boss (91), and further locking of the locking ring (9) is achieved by circumferential knocking of the boss (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221895919.8U CN218267779U (en) | 2022-07-22 | 2022-07-22 | Structure for quickly connecting plastic pipe and steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221895919.8U CN218267779U (en) | 2022-07-22 | 2022-07-22 | Structure for quickly connecting plastic pipe and steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267779U true CN218267779U (en) | 2023-01-10 |
Family
ID=84761626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221895919.8U Active CN218267779U (en) | 2022-07-22 | 2022-07-22 | Structure for quickly connecting plastic pipe and steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267779U (en) |
-
2022
- 2022-07-22 CN CN202221895919.8U patent/CN218267779U/en active Active
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