CN211447741U - External sleeve of steel pipe - Google Patents
External sleeve of steel pipe Download PDFInfo
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- CN211447741U CN211447741U CN201922003371.6U CN201922003371U CN211447741U CN 211447741 U CN211447741 U CN 211447741U CN 201922003371 U CN201922003371 U CN 201922003371U CN 211447741 U CN211447741 U CN 211447741U
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- sleeve
- main body
- steel pipe
- limiting sleeve
- limiting
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Abstract
The utility model relates to a steel pipe external casing, which comprises a casing main body, wherein the front end of the casing main body is fixedly connected with a limit sleeve; the inner part of the limiting sleeve is provided with an inner lining; the middle part of the sleeve main body is provided with a plurality of hollow holes which are uniformly distributed; the front end of the sleeve main body is provided with external threads, the inner wall of the tail end of the limiting sleeve is provided with internal threads, and the sleeve main body is in threaded connection with the limiting sleeve; the lining and the limiting sleeve are of an integrally formed structure; the outer diameter of the liner is smaller than the inner diameter of the limiting sleeve, a bulge is arranged on the periphery of the liner, and the bulge is fixedly connected with the inner wall of the limiting sleeve; 4 bulges are arranged; the hollow holes are rectangular, and four corners of the hollow holes are in a fillet structure. The utility model discloses can be used for the scaffold to build with steel pipe external casing, simple structure is reasonable, and the installation is dismantled conveniently, and corrosion resisting property is good, and application scope is wide.
Description
Technical Field
The utility model relates to an external sleeve pipe especially relates to an external sleeve pipe of steel pipe.
Background
In the building field, a scaffold is usually used for convenience in construction, the scaffold refers to various supports which are erected for workers to operate and solve vertical and horizontal transportation on a construction site, the scaffold is generally erected outside a wall surface in a surrounding manner, along with the progress of technology, wall connecting pieces of the scaffold are developed from flexible wall connecting pieces to rigid wall connecting pieces, and the scaffold is usually made of bamboo, wood, steel pipes or synthetic materials. The scaffold is built by using a sleeve pipe commonly for limiting, fixing and conveniently connecting.
However, the calibers of steel pipes built and used by the existing scaffold are often different, and sleeves with different calibers need to be matched, so that the replacement and use cost is increased, the building efficiency is reduced, and the labor intensity of workers is improved; and the casing pipe is generally low in strength and welding strength with a steel pipe, poor in corrosion resistance, easy to deform or damage after being used in the open air for a long time, particularly corroded by rainwater, influences the progress of the project and even causes personnel injury. Therefore, a steel pipe external sleeve is needed, which can be suitable for steel pipes with more calibers, is convenient and quick to connect, has low cost, can effectively limit and bear, and ensures the safety and stability of the scaffold.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple structure is reasonable, the installation is dismantled conveniently, corrosion resisting property is good, application scope is wide external sleeve pipe of steel pipe.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a steel pipe external casing comprises a casing main body, wherein a limiting sleeve is fixedly connected to the front end of the casing main body; the inner part of the limiting sleeve is provided with an inner lining; the middle part of sleeve pipe main part be equipped with the fretwork hole, the fretwork hole be equipped with a plurality of, a plurality of fretwork hole is evenly distributed.
As the external sleeve pipe of steel pipe, the front end of sleeve pipe main part be equipped with the external screw thread, the terminal inner wall of stop collar on be equipped with the internal thread, sleeve pipe main part and stop collar threaded connection, convenient to assemble and dismantle more convenient and fast, connect firmer and more stable, bearing capacity is stronger, spacing effect is better, uses safe and reliable more.
According to the steel pipe external casing, the outer diameter of the limiting sleeve is larger than that of the casing main body, and the inner diameter of the limiting sleeve is smaller than that of the casing main body, so that threaded connection can be conveniently achieved, connection is more stable and reliable, and installation is more convenient; meanwhile, the limiting sleeve limits the steel pipe, and the limiting is more reliable.
According to the steel pipe external sleeve, the lining and the limiting sleeve are of an integrally formed structure, so that the steel pipe external sleeve is convenient to manufacture, suitable for large-scale production and lower in production cost; and the liners with different thicknesses can be adapted to steel pipes with different calibers, so that the application range is wider, and the economic efficiency is more remarkable.
The external sleeve of the steel pipe is characterized in that the outer diameter of the lining is smaller than the inner diameter of the limiting sleeve, the periphery of the lining is provided with a bulge, and the bulge is fixedly connected with the inner wall of the limiting sleeve; the number of the bulges is 4, and the 4 bulges are distributed in a centrosymmetric and uniform manner, so that the connection is more stable, and the use is safer and more reliable; meanwhile, a gap is reserved between the lining and the limiting sleeve, air and rainwater can circulate more smoothly, rainwater soaking is avoided, the anti-corrosion performance is stronger, and the service life is longer.
According to the external sleeve of the steel pipe, the hollow holes are rectangular, four corners of each hollow hole are in a fillet structure, materials are convenient to use, manufacturing cost is low, air circulation is smooth, and anti-corrosion performance is high.
As the preferable scheme of the steel pipe externally connected with the sleeve, the protective gasket is arranged between the sleeve main body and the limiting sleeve, so that the protective effect is better, the connection is more stable, and the use is safer and more reliable.
As the preferable scheme of the steel pipe externally connected with the sleeve, the lining is made of wear-resistant and corrosion-resistant materials, so that the steel pipe is convenient to use, safe and reliable, and long in service life.
As the preferable scheme of the steel pipe externally connected with the sleeve, the external thread is a high-strength external thread, and the internal thread is a high-strength internal thread, so that the steel pipe is higher in strength and safer and more stable to use.
The utility model has the advantages that: the front end of the sleeve main body of the utility model is fixedly connected with a stop collar; the inner part of the limiting sleeve is provided with a lining; the middle part of the sleeve main body is provided with a plurality of hollow holes which are uniformly distributed; the front end of the sleeve main body is provided with external threads, the inner wall of the tail end of the limiting sleeve is provided with internal threads, and the sleeve main body is in threaded connection with the limiting sleeve; the outer diameter of the limiting sleeve is larger than that of the sleeve main body, and the inner diameter of the limiting sleeve is smaller than that of the sleeve main body; the lining and the limiting sleeve are of an integrally formed structure; the outer diameter of the inner liner is smaller than the inner diameter of the limiting sleeve, a bulge is arranged on the periphery of the inner liner, and the bulge is fixedly connected with the inner wall of the limiting sleeve; the number of the bulges is 4, and the 4 bulges are distributed in a centrosymmetric and uniform manner; the fretwork hole is the rectangle form, and four bights in fretwork hole are the fillet structure, the utility model discloses can be used for the scaffold frame to build with the external sleeve pipe of steel pipe, simple structure is reasonable, and the installation is dismantled conveniently, and corrosion resisting property is good, and application scope is wide.
Drawings
FIG. 1 is a schematic structural diagram of a steel pipe external casing in an embodiment;
FIG. 2 is a top view of the steel pipe circumscribing the sleeve in the example.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, the steel tube external casing comprises a casing main body 1, wherein a limiting sleeve 2 is fixedly connected to the front end of the casing main body 1; the inner lining 3 is arranged inside the limiting sleeve 2; the middle part of sleeve pipe main part 1 be equipped with fretwork hole 4, fretwork hole 4 be equipped with a plurality of, a plurality of fretwork hole 4 is evenly distributed.
In one embodiment of the external sleeve pipe of steel pipe, the front end of sleeve pipe main part 1 be equipped with the external screw thread, the terminal inner wall of stop collar 2 on be equipped with the internal thread, sleeve pipe main part 1 and 2 threaded connection of stop collar, convenient to assemble and disassemble is convenient and fast, connects firmer and more stable, and bearing capacity is stronger, and spacing effect is better, uses safe and reliable more.
In one embodiment of the steel pipe external casing, the outer diameter of the limiting sleeve 2 is larger than the outer diameter of the casing main body 1, and the inner diameter of the limiting sleeve 2 is smaller than the inner diameter of the casing main body 1, so that threaded connection can be conveniently realized, the connection is more stable and reliable, and the installation is more convenient; meanwhile, the limiting sleeve 2 limits the steel pipe, and the limiting is more reliable.
In one embodiment of the steel pipe externally-connected sleeve, the lining 3 and the limiting sleeve 2 are of an integrally formed structure, so that the manufacturing is convenient, the steel pipe externally-connected sleeve is suitable for large-scale production, and the production cost is low; and the linings 3 with different thicknesses can be adapted to steel pipes with different calibers, so that the application range is wider, and the economic efficiency is more remarkable.
In one embodiment of the steel pipe circumscribed sleeve, the outer diameter of the lining 3 is smaller than the inner diameter of the limiting sleeve 2, a bulge 5 is arranged on the periphery of the lining 3, and the bulge 5 is fixedly connected with the inner wall of the limiting sleeve 2; the number of the bulges 5 is 4, and the 4 bulges 5 are distributed in a centrosymmetric and uniform manner, so that the connection is more stable, and the use is safer and more reliable; meanwhile, a gap is reserved between the lining 3 and the limiting sleeve 2, air and rainwater can circulate more smoothly, rainwater soaking is avoided, the corrosion resistance is stronger, and the service life is longer.
In one embodiment of the steel pipe external casing, the hollow-out holes 4 are rectangular, four corners of the hollow-out holes 4 are in a fillet structure, so that the material is saved, the manufacturing cost is low, the air circulation is smooth, and the corrosion resistance is high.
In one embodiment of the steel pipe external casing, the protective gasket is arranged between the casing main body 1 and the limiting sleeve 2, so that the protective effect is better, the connection is more stable, and the use is safer and more reliable.
In one embodiment of the steel pipe externally connected with the sleeve, the lining 3 is made of wear-resistant and corrosion-resistant materials, so that the steel pipe is convenient to use, safe and reliable, and long in service life.
In one embodiment of the steel pipe external casing, the external thread is a high-strength external thread, and the internal thread is a high-strength internal thread, so that the steel pipe external casing is higher in strength and safer and more stable to use.
The front end of the sleeve main body 1 of the utility model is fixedly connected with a stop collar 2; the inner lining 3 is arranged inside the limiting sleeve 2; the middle part of the sleeve main body 1 is provided with a plurality of hollow holes 4, and the plurality of hollow holes 4 are uniformly distributed; the front end of the sleeve main body 1 is provided with external threads, the inner wall of the tail end of the limiting sleeve 2 is provided with internal threads, and the sleeve main body 1 is in threaded connection with the limiting sleeve 2; the outer diameter of the limiting sleeve 2 is larger than that of the sleeve main body 1, and the inner diameter of the limiting sleeve 2 is smaller than that of the sleeve main body 1; the lining 3 and the limiting sleeve 2 are of an integrally formed structure; the outer diameter of the inner liner 3 is smaller than the inner diameter of the limiting sleeve 2, a bulge 5 is arranged on the periphery of the inner liner 3, and the bulge 5 is fixedly connected with the inner wall of the limiting sleeve 2; the number of the bulges 5 is 4, and the 4 bulges 5 are distributed in a centrosymmetric and uniform manner; the hollow holes 4 are rectangular, and four corners of the hollow holes 4 are in a fillet structure. The utility model discloses can be used for the scaffold to build with steel pipe external casing, simple structure is reasonable, and the installation is dismantled conveniently, and corrosion resisting property is good, and application scope is wide.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides an external sleeve pipe of steel pipe which characterized in that: the sleeve comprises a sleeve main body (1), wherein a limiting sleeve (2) is fixedly connected to the front end of the sleeve main body (1); the inner part of the limiting sleeve (2) is provided with a lining (3); the middle part of sleeve pipe main part (1) be equipped with fretwork hole (4), fretwork hole (4) be equipped with a plurality of, a plurality of fretwork hole (4) are evenly distributed.
2. The steel pipe outer sleeve according to claim 1, wherein: the front end of the sleeve main body (1) is provided with an external thread, the inner wall of the tail end of the limiting sleeve (2) is provided with an internal thread, and the sleeve main body (1) is in threaded connection with the limiting sleeve (2).
3. The steel pipe outer sleeve according to claim 1, wherein: the outer diameter of the limiting sleeve (2) is larger than that of the sleeve main body (1), and the inner diameter of the limiting sleeve (2) is smaller than that of the sleeve main body (1).
4. The steel pipe outer sleeve according to claim 1, wherein: the lining (3) and the limiting sleeve (2) are of an integrally formed structure.
5. The steel pipe outer sleeve according to claim 1, wherein: the outer diameter of the liner (3) is smaller than the inner diameter of the limiting sleeve (2), a bulge (5) is arranged on the periphery of the liner (3), and the bulge (5) is fixedly connected with the inner wall of the limiting sleeve (2); the number of the bulges (5) is 4, and the 4 bulges (5) are distributed symmetrically and uniformly.
6. The steel pipe outer sleeve according to claim 1, wherein: the hollow holes (4) are rectangular, and four corners of the hollow holes (4) are in a fillet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003371.6U CN211447741U (en) | 2019-11-19 | 2019-11-19 | External sleeve of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003371.6U CN211447741U (en) | 2019-11-19 | 2019-11-19 | External sleeve of steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN211447741U true CN211447741U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922003371.6U Active CN211447741U (en) | 2019-11-19 | 2019-11-19 | External sleeve of steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478276A (en) * | 2022-10-08 | 2022-12-16 | 青岛迪恩特尚核新材料科技有限公司 | Coating corrosion prevention method for marine steel |
-
2019
- 2019-11-19 CN CN201922003371.6U patent/CN211447741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478276A (en) * | 2022-10-08 | 2022-12-16 | 青岛迪恩特尚核新材料科技有限公司 | Coating corrosion prevention method for marine steel |
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