CN213871462U - High-strength krah pipe - Google Patents
High-strength krah pipe Download PDFInfo
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- CN213871462U CN213871462U CN202023010494.1U CN202023010494U CN213871462U CN 213871462 U CN213871462 U CN 213871462U CN 202023010494 U CN202023010494 U CN 202023010494U CN 213871462 U CN213871462 U CN 213871462U
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Abstract
The utility model provides a high-strength krah pipe, which comprises a pipe body and a rib pipe wound on the pipe body, the rib pipe comprises a single-wall corrugated pipe and a reinforcing rib layer wrapped on the single-wall corrugated pipe, the cross section of the single-wall corrugated pipe is arranged in a circular manner on the inner wall and in a polygonal manner on the outer wall, the reinforcing rib layer is wrapped on the outer wall of the single-wall corrugated pipe, one side surface of the reinforcing rib layer close to the pipe body is wound and connected with the pipe body, the structure adopts the single-wall corrugated pipe with the round inner wall and the polygonal outer wall and the corrugated pipe with the quadrilateral inner wall, thereby preventing the problem that the single-wall corrugated pipe is damaged due to the excessive concentration of stress caused by the hollow inner part of the corrugated pipe at four corner positions when the inner wall is stressed, meanwhile, the inner wall is arranged in a circular shape, reinforcing ribs do not need to be additionally arranged in the single-wall corrugated pipe for reinforcement, the structure is simple, and the processing is convenient.
Description
Technical Field
The utility model relates to the technical field of pipelines, concretely relates to carat pipe that medium strength is high.
Background
The blow off pipe is the essential raw and other materials in the municipal sewage treatment system, and the blow off pipe is mostly the carat pipe. The body spiral winding of carat pipe on the existing market has the winding pipe, the shape of winding pipe is mostly circular, circular winding pipe is mutability in the manufacture process, the intensity of its winding pipe reduces to some extent, and, circular winding pipe is connected for point connection or line connection with the body, junction intensity is less strong, and in the process of using, along with the increase of service life, circular winding pipe easily takes place to warp, the ring of the winding pipe after the deformation just reduces, can lead to tubular product inwards sunken when serious, form the collapse, cause serious economic loss.
In chinese patent application No. 201821614380.8, published as 2019.05.21, a high strength krah pipe is disclosed, which includes a pipe body and a square pipe spirally wound on an outer wall of the pipe body, wherein the square pipe has a rectangular shape in a radial cross section of the pipe body, and one side surface of the square pipe is attached to the outer wall of the pipe body; the square tube comprises a single-wall corrugated tube and a cladding tube, the single-wall corrugated tube is coaxially sleeved on the cladding tube, and the inner wall of the cladding tube is attached to the outer wall of the single-wall corrugated tube. The corrugated pipe is characterized in that reinforcing ribs are coaxially arranged in the single-wall corrugated pipe, and the outer walls of the reinforcing ribs are connected with the inner wall of the single-wall corrugated pipe. The utility model discloses a carat outer wall winding of pipe has the cross section to be the square pipe of rectangle, and a side of square pipe and the outer wall laminating of body have strengthened the ring rigidity of tubular product, and tubular product is at the in-process non-deformable that uses.
However, this utility model's the inner wall of single wall bellows adopts the rectangle setting, but this mode makes the stress concentration of corner easily to arouse brittle material fracture, make plastic material produce fatigue crack, lead to single wall bellows fracture and form the collapse easily when serious, and this utility model adopts the strengthening rib to do further enhancement to single wall bellows, but this way is adding man-hour, still need insert the strengthening rib to in the single wall bellows, and it is more troublesome to process.
Disclosure of Invention
An object of the utility model is to provide a carat pipe that intensity is high, the polygonal setting of the circular outer wall of inner wall is adopted to the single-walled bellows for the inner wall atress is even, and the inner wall can not produce stress concentration, and the outer wall is the polygon body of can laminating more, thereby improves the intensity of carat pipe.
In order to reach above-mentioned purpose, a carat pipe that intensity is high, including body and the muscle pipe of winding on the body, the muscle pipe includes single-walled bellows and the strengthening rib layer of parcel on single-walled bellows, the cross section of single-walled bellows is the circular setting of inner wall and the setting of outer wall polygon, on the outer wall of connecting single-walled bellows is wrapped up in the strengthening rib layer, a side winding that the strengthening rib layer is close to the body is connected on the body.
The high-strength Krah pipe with the structure adopts the polygonal single-wall corrugated pipe with the circular outer wall of the inner wall, the corrugated pipe is quadrangular relative to the inner wall, the problem that the single-wall corrugated pipe is damaged due to the fact that stress is excessively concentrated at four corner positions when the inner wall is stressed due to the fact that the interior of the corrugated pipe is hollow is solved, meanwhile, the inner wall is circularly arranged, reinforcing ribs do not need to be additionally arranged in the single-wall corrugated pipe for reinforcing, the structure is simple, the processing is convenient, the outer wall is a polygonal pipe body which can be attached to the pipe body better, the section inertia moment of the polygonal coating layer is larger than the section inertia moment of the circular coating layer, according to the definition of the section inertia moment, the larger the section inertia moment is, the stronger the capacity of resisting deformation of the section is, the more difficult the deformation of the section bar is, and the ring rigidity of the corrugated pipe is higher; and add the strengthening rib layer at bellows outer wall, and the cladding of strengthening rib layer is on the bellows outer wall, for not setting up the single wall bellows on strengthening rib layer on the outer wall for the cross section of muscle pipe increases, and then the increase of the moment of inertia that corresponds, thereby ring rigidity reinforcing makes the carat pipe difficult production deformation at the in-process that uses.
Further, the top surface of the outer wall of the single-wall corrugated pipe is a plane, so that the stable top surface enables the stress to be smoother.
Furthermore, the top surface of the outer wall of the single-wall corrugated pipe is an arc surface, so that the single-wall corrugated pipe can be guided when the reinforcing rib layer is sleeved in the single-wall corrugated pipe through the arc surface, and the single-wall corrugated pipe is more convenient to process.
Furthermore, the top surface of the outer wall of the single-wall corrugated pipe is a wavy surface, and the wavy top surface can be attached to the reinforcing rib layer, so that the single-wall corrugated pipe is connected with the reinforcing rib layer more tightly.
Furthermore, the adjacent surfaces of the outer wall surfaces of the single-wall corrugated pipe are arranged in a circular arc mode, and therefore the problem of stress concentration cannot be caused by the corners of the single-wall corrugated pipe.
Furthermore, the outer wall of the cross section of the single-wall corrugated pipe is trapezoidal, the structure is simple due to the trapezoidal arrangement, and the ring stiffness can be improved.
Further, the both ends that the strengthening rib layer is close to the side of body are equipped with the articulamentum, and the articulamentum is connected with the body, and the articulamentum is connected with strengthening rib layer both sides face circular arc, and above setting is through the articulamentum for the connection face increase between strengthening rib layer and the body, improves the reliability of connecting, and the arc setting of articulamentum and both sides face prevents to form the problem of stress concentration in the articulamentum corner in addition.
Drawings
Fig. 1 is a sectional view of a high strength krah pipe of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a cross-sectional view of a ribbed pipe according to example 2 of the present invention.
Fig. 4 is a cross-sectional view of a ribbed pipe according to example 3 of the present invention.
Fig. 5 is a cross-sectional view of a ribbed pipe according to example 4 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 and 2, a high strength krah pipe includes a pipe body 1 and a ribbed pipe 2 wound around the pipe body 1.
The rib pipe 2 comprises a single-wall corrugated pipe 21 and a reinforcing rib layer 22 wrapped on the single-wall corrugated pipe 21, the cross section of the single-wall corrugated pipe 21 is formed by arranging an inner wall 211 in a circular mode and arranging an outer wall 212 in a polygonal mode, the reinforcing rib layer 22 is wrapped on the outer wall of the single-wall corrugated pipe 21 in a connecting mode, and one side face, close to the pipe body, of the reinforcing rib layer 21 is wound on the pipe body 1.
In this embodiment, the connection mode of muscle pipe 2 and body 1 is:
1) wrapping the reinforcing rib layer 22 and connecting the single-wall corrugated pipe 21;
2) the reinforcing rib layer 22 wrapped around the single-wall corrugated pipe 21 is wound around the pipe body 1.
Wherein the single-walled bellows 21 do not directly contact the tube body 1.
As shown in fig. 2, the top surface of the outer wall 212 of the single-wall corrugated pipe 21 is flat, so that the smooth top surface makes the stress smoother.
As shown in fig. 2, the adjacent surfaces of the outer wall 212 of the single-wall corrugated pipe 21 are arranged in a circular arc, so that the corner of the single-wall corrugated pipe 21 does not cause stress concentration.
As shown in fig. 2 to 5, the outer wall of the cross section of the single-wall corrugated pipe 21 is trapezoidal, and the trapezoidal arrangement is adopted, so that the structure is simple, and the ring stiffness can be improved.
Example 2
As shown in fig. 1 and 3, a high strength krah pipe includes a pipe body 1 and a ribbed pipe 2 wound around the pipe body 1.
The rib pipe 2 comprises a single-wall corrugated pipe 21 and a reinforcing rib layer 22 wrapped on the single-wall corrugated pipe 21, the cross section of the single-wall corrugated pipe 21 is formed by arranging an inner wall 211 in a circular mode and arranging an outer wall 212 in a polygonal mode, the reinforcing rib layer 22 is wrapped on the outer wall of the single-wall corrugated pipe 21 in a connecting mode, and one side face, close to the pipe body, of the reinforcing rib layer 21 is wound on the pipe body 1.
In this embodiment, the connection mode of muscle pipe 2 and body 1 is:
1) wrapping the reinforcing rib layer 22 and connecting the single-wall corrugated pipe 21;
2) the reinforcing rib layer 22 wrapped around the single-wall corrugated pipe 21 is wound around the pipe body 1.
Wherein the single-walled bellows 21 do not directly contact the tube body 1.
As shown in fig. 3, the top surface of the outer wall 212 of the single-wall corrugated pipe 21 is an arc surface, so that the arrangement of the arc surface can guide the reinforcing rib layer 22 to be sleeved into the single-wall corrugated pipe 21, so that the processing is more convenient.
As shown in fig. 3, the adjacent surfaces of the outer wall 212 of the single-wall corrugated pipe 21 are arranged in a circular arc manner, so that the corner of the single-wall corrugated pipe 21 does not cause stress concentration.
As shown in fig. 2 to 5, the outer wall of the cross section of the single-wall corrugated pipe 21 is trapezoidal, and the trapezoidal arrangement is adopted, so that the structure is simple, and the ring stiffness can be improved.
Example 3
As shown in fig. 1 and 4, a high strength krah pipe includes a pipe body 1 and a ribbed pipe 2 wound around the pipe body 1.
The rib pipe 2 comprises a single-wall corrugated pipe 21 and a reinforcing rib layer 22 wrapped on the single-wall corrugated pipe 21, the cross section of the single-wall corrugated pipe 21 is formed by arranging an inner wall 211 in a circular mode and arranging an outer wall 212 in a polygonal mode, the reinforcing rib layer 22 is wrapped on the outer wall of the single-wall corrugated pipe 21 in a connecting mode, and one side face, close to the pipe body, of the reinforcing rib layer 21 is wound on the pipe body 1.
In this embodiment, the connection mode of muscle pipe 2 and body 1 is:
1) wrapping the reinforcing rib layer 22 and connecting the single-wall corrugated pipe 21;
2) the reinforcing rib layer 22 wrapped around the single-wall corrugated pipe 21 is wound around the pipe body 1.
Wherein the single-walled bellows 21 do not directly contact the tube body 1.
As shown in fig. 4, the top surface of the outer wall 212 of the single-wall corrugated pipe 21 is a wavy surface, and the wavy top surface can be attached to the reinforcing rib layer 22, so that the connection between the single-wall corrugated pipe 21 and the reinforcing rib layer 22 is tighter.
As shown in fig. 4, the adjacent surfaces of the outer wall 212 of the single-wall corrugated pipe 21 are arranged in a circular arc manner, so that the corner of the single-wall corrugated pipe 21 does not cause stress concentration.
As shown in fig. 2 to 5, the outer wall of the cross section of the single-wall corrugated pipe 21 is trapezoidal, and the trapezoidal arrangement is adopted, so that the structure is simple, and the ring stiffness can be improved.
Example 4
As shown in fig. 1 and 5, a high strength krah pipe includes a pipe body 1 and a ribbed pipe 2 wound around the pipe body.
The rib pipe 2 comprises a single-wall corrugated pipe 21 and a reinforcing rib layer 22 wrapped on the single-wall corrugated pipe 21, the cross section of the single-wall corrugated pipe 21 is formed by arranging an inner wall 211 in a circular mode and arranging an outer wall 212 in a polygonal mode, the reinforcing rib layer 22 is wrapped on the outer wall of the single-wall corrugated pipe 21 and connected with one side face, close to the pipe body, of the reinforcing rib layer 22 in a winding mode, and the side face is connected to the pipe body 1.
In this embodiment, the connection mode of muscle pipe 2 and body 1 is:
1) the single-wall corrugated pipe 21 is wound and connected on the pipe body 1;
2) after the single-wall corrugated pipe 21 is connected to the pipe body 1, the reinforcing rib layer 22 is wrapped on the connecting single-wall corrugated pipe 21 and the connecting pipe body 1.
As shown in fig. 5, the single-wall corrugated tube 21 directly contacts the tube body 1, and the reinforcing rib layer 22 connects the single-wall corrugated tube 21 and the tube body 1.
As shown in fig. 2, the top surface of the outer wall 212 of the single-wall corrugated pipe 21 is flat, so that the smooth top surface makes the stress smoother.
As shown in fig. 2, the outer wall 212 of the single-wall corrugated pipe 21 is arranged in a circular arc from side to side, so that the problem of stress concentration at the corners of the single-wall corrugated pipe 21 is avoided.
As shown in fig. 2 to 5, the outer wall of the cross section of the single-wall corrugated pipe 21 is trapezoidal, and the trapezoidal arrangement is adopted, so that the structure is simple, and the ring stiffness can be improved.
As shown in fig. 5, both ends that the strengthening rib layer 22 is close to one side of body 1 are equipped with articulamentum 221, and articulamentum 221 is connected with body 1, and articulamentum 221 is connected with strengthening rib layer 22 both sides face circular arc, above sets up, through articulamentum 221 for be connected the face increase between strengthening rib layer 22 and the body 1, improve the reliability of connecting, the arc setting of articulamentum 221 and both sides face prevents to form the problem of stress concentration in the articulamentum corner in addition.
The high-strength Krah pipe with the structure adopts the polygonal single-wall corrugated pipe with the circular outer wall of the inner wall, the corrugated pipe is quadrangular relative to the inner wall, the problem that the single-wall corrugated pipe is damaged due to the fact that stress is excessively concentrated at four corner positions when the inner wall is stressed due to the fact that the interior of the corrugated pipe is hollow is solved, meanwhile, the inner wall is circularly arranged, a reinforcing rib layer does not need to be additionally arranged in the single-wall corrugated pipe for reinforcing, the structure is simple, the processing is convenient, the outer wall is a polygonal pipe body which can be attached to the pipe body better, the cross-sectional inertia moment of a polygonal coating layer is larger than that of the circular coating layer, according to the definition of the cross-sectional inertia moment, the larger the cross-sectional inertia moment is, the stronger the ability of resisting deformation of the cross section is, the more difficult the deformation of a section bar is, and the higher rigidity of the ring of the corrugated pipe is; and add the strengthening rib layer at bellows outer wall, and the cladding of strengthening rib layer is on the bellows outer wall, for not setting up the single wall bellows on strengthening rib layer on the outer wall for the cross section of muscle pipe increases, and then the increase of the moment of inertia that corresponds, thereby ring rigidity reinforcing makes the carat pipe difficult production deformation at the in-process that uses.
Claims (7)
1. The utility model provides a carat pipe that intensity is high, includes body and the muscle pipe of winding on the body, its characterized in that: the rib pipe comprises a single-wall corrugated pipe and a reinforcing rib layer wrapped on the single-wall corrugated pipe, the cross section of the single-wall corrugated pipe is formed by the inner wall in a circular shape and the outer wall in a polygonal shape, the reinforcing rib layer is wrapped on the outer wall of the single-wall corrugated pipe, and one side face, close to the pipe body, of the reinforcing rib layer is wound on the pipe body.
2. A high strength krah pipe as claimed in claim 1 wherein: the top surface of the outer wall of the single-wall corrugated pipe is a plane.
3. A high strength krah pipe as claimed in claim 1 wherein: the top surface of the outer wall of the single-wall corrugated pipe is an arc surface.
4. A high strength krah pipe as claimed in claim 1 wherein: the top surface of the outer wall of the single-wall corrugated pipe is a wavy surface.
5. A high strength krah pipe as claimed in claim 1 wherein: the adjacent surfaces of the outer wall surfaces of the single-wall corrugated pipe are arranged in a circular arc mode.
6. A high strength krah pipe as claimed in claim 1 wherein: the outer wall of the cross section of the single-wall corrugated pipe is trapezoidal.
7. A high strength krah pipe as claimed in claim 1 wherein: the two ends of one side face, close to the pipe body, of the reinforcing rib layer are provided with connecting layers, the connecting layers are connected with the pipe body, and the connecting layers are connected with circular arcs of the two side faces of the reinforcing rib layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010494.1U CN213871462U (en) | 2020-12-15 | 2020-12-15 | High-strength krah pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010494.1U CN213871462U (en) | 2020-12-15 | 2020-12-15 | High-strength krah pipe |
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| Publication Number | Publication Date |
|---|---|
| CN213871462U true CN213871462U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023010494.1U Active CN213871462U (en) | 2020-12-15 | 2020-12-15 | High-strength krah pipe |
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| CN (1) | CN213871462U (en) |
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- 2020-12-15 CN CN202023010494.1U patent/CN213871462U/en active Active
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