CN112310907A - Smooth pipe with grooved inner wall - Google Patents
Smooth pipe with grooved inner wall Download PDFInfo
- Publication number
- CN112310907A CN112310907A CN202011193437.3A CN202011193437A CN112310907A CN 112310907 A CN112310907 A CN 112310907A CN 202011193437 A CN202011193437 A CN 202011193437A CN 112310907 A CN112310907 A CN 112310907A
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- CN
- China
- Prior art keywords
- smooth
- pipe
- wall
- cable
- miniature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention is suitable for the field of pipes, and provides a smooth pipe with a grooved inner wall, which comprises a pipe body, wherein a plurality of inverted trapezoidal micro grooves are formed in the pipe body in an annular array mode, the inverted trapezoidal micro grooves are arranged along the length direction of the pipe body, micro supporting ridges extending along the length direction of the pipe body are formed among the inverted trapezoidal micro grooves, and the top surfaces of the micro supporting ridges are smooth planes or smooth arc-shaped surfaces sunken into the pipe wall of the pipe body. According to the invention, the inner wall of the smooth pipe is provided with the micro grooves along the length direction of the smooth pipe, the micro grooves penetrate through the inner wall of the smooth pipe, when a cable is inserted into or pulled out of the cable, heat generated by friction between the cable and the inner wall of the smooth pipe can be led out through the micro grooves and pipe orifices at two ends of the smooth pipe, the micro supporting ridges are formed between the micro grooves, the cable is supported by the micro supporting ridges inside the smooth pipe, the contact area between the cable and the inner wall of the smooth pipe is reduced, so that the heat generated by friction between the cable and the inner wall of the smooth pipe is reduced, and meanwhile, the friction force is reduced, so that a constructor can more save labor when the cable is inserted.
Description
Technical Field
The invention belongs to the field of pipes, and particularly relates to a smooth pipe with a grooved inner wall.
Background
When the cable is laid, the smooth pipe is required to be used, the smooth pipe is laid at the position where the cable is required to be arranged, then the cable penetrates into the smooth pipe, and the smooth pipe can protect the cable.
Present smooth inside pipe wall is mostly smooth or screw thread inner wall, places and is mostly the polyethylene material in smooth inside intraduct's cable surface, when overhauing or changing the cable, need pull out the cable, will take place the friction between cable and the smooth inside pipe wall this moment, needs very big dynamics just can pull out the cable conductor to when penetrating the cable, the problem that frictional force is big also exists, leads to penetrating the cable also inconvenient. In addition, because the cable can produce a large amount of heats with the violent frictional contact of smooth intraductal wall, the heat of production can only give off to the mouth of pipe at the both ends of smooth pipe through the gap of cable and smooth intraductal wall, and the heat gives off slowly, and long-time construction can make the cable surface overheated, and constructor can not influence the construction progress with hand direct contact.
Therefore, it is necessary to provide a smooth pipe with an improved structure to solve the above technical problems.
Disclosure of Invention
The invention provides a smooth pipe with a grooved inner wall, and aims to solve the technical problem.
The invention is realized in this way, a smooth pipe with a grooved inner wall, comprising: the body, be annular array in the body and seted up a plurality of trapezoidal miniature recesses that fall, it is a plurality of trapezoidal miniature recess that fall is followed the length direction of body sets up, and is a plurality of fall and form a plurality of edges between the trapezoidal miniature recess the miniature support that body length direction extends is stupefied, the stupefied top surface of miniature support be smooth plane or to the interior sunken level and smooth arcwall face of pipe wall of body.
Further, the depth of the micro groove is 0.5 mm-1 mm.
Furthermore, the radian of the smooth arc-shaped surface is pi/360-pi/90.
Further, the radian of the smooth arc-shaped surface is pi/180.
Still further, the pipe body is a linear low density polyethylene pipe.
The invention provides a smooth pipe with a grooved inner wall, wherein a micro groove is formed in the inner wall of the smooth pipe along the length direction of the smooth pipe, the micro groove penetrates through the inner wall of the smooth pipe, when a cable is inserted or pulled out, heat generated by friction between the cable and the inner wall of the smooth pipe can be led out through the micro groove and pipe orifices at two ends of the smooth pipe, and air can be led into the micro groove to accelerate air flow in the smooth pipe to cool the cable. In addition, form miniature between the miniature recess and support stupefied, miniature support stupefied and have level and smooth plane or level and smooth arcwall face, the cable is supported by miniature support stupefied inside the smooth pipe, under the prerequisite of guaranteeing that the smooth pipe supports the cable steadily, reduces the area of contact of cable and smooth inside pipe wall to reduce the heat that cable and smooth inside pipe wall friction produced, reduce frictional force simultaneously, it is more laborsaving when making constructor penetrate or pull out the cable.
Drawings
FIG. 1 is a schematic structural diagram of a smooth pipe with a grooved inner wall according to an embodiment of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
The reference numbers in the figures denote: the pipe comprises a pipe body 1, a micro groove 2 and a micro supporting rib 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a smooth pipe with a grooved inner wall, including: the pipe body 1, body 1 can adopt linear low density polyethylene pipe, and the inner wall is smooth, and the frictional force between with the cable is less.
A plurality of miniature grooves 2 of falling trapezoidal form have been seted up to the annular array in the body 1, and a plurality of miniature grooves 2 of falling trapezoidal form set up along the length direction of body.
The micro-groove 2 can be used as a channel for guiding out heat on the surface of the cable, and air can be guided into the smooth pipe through the micro-groove 2 to accelerate the temperature reduction of the cable when necessary.
A plurality of micro supporting ribs 3 extending along the length direction of the pipe body are formed among the plurality of inverted trapezoidal micro grooves 2.
The micro supporting ribs 3 can support the cable, and reduce the contact area between the cable and the inner wall of the smooth pipe, so that the friction force between the cable and the inner wall of the smooth pipe is reduced, the heat generated by the friction between the cable and the inner wall of the smooth pipe is reduced, and the operation of constructors is facilitated.
The top surface of the micro supporting ribs 3 is a smooth plane or a smooth arc surface which is sunken into the pipe wall of the pipe body.
The top surface of the micro-support arris 3 can be set to be a smooth plane or a smooth arc-shaped surface, when the top surface of the micro-support arris 3 is set to be the smooth plane, the contact area between the micro-support arris 3 and a cable is smaller, the friction force between the cable and the inner wall of the smooth pipe is smaller, and the heat generated by the friction between the cable and the inner wall of the smooth pipe is less.
When the top surface of the micro supporting arris 3 is set to be a smooth arc surface, the supporting effect of the micro supporting arris 3 on the cable is better, and the stability is better. The top surface structure of the micro-supporting ridges 3 can be set according to actual needs.
The invention is further illustrated by the following specific examples.
Example 1
The embodiment of the invention provides a smooth pipe with a grooved inner wall, which comprises: the body, the body is linear low density polyethylene pipe, is the annular array in the body and has seted up a plurality of trapezoidal miniature recesses that fall, and the degree of depth of miniature recess is 0.5mm, and a plurality of trapezoidal miniature recesses that fall set up along the length direction of body, and it is stupefied to form a plurality of miniature supports that extend along body length direction between a plurality of trapezoidal miniature recesses that fall, and the height that miniature supported stupefied is 0.5mm, and the stupefied top surface of miniature support is smooth plane.
Example 2
The embodiment of the invention provides a smooth pipe with a grooved inner wall, which comprises: the body, the body is linear low density polyethylene pipe, be annular array in the body and seted up a plurality of trapezoidal miniature recesses that fall, the degree of depth of miniature recess is 1mm, a plurality of trapezoidal miniature recesses that fall set up along the length direction of body, it is stupefied to form a plurality of miniature supports that extend along body length direction between a plurality of trapezoidal miniature recesses that fall, the stupefied height of miniature support is 1mm, the stupefied top surface of miniature support is level and smooth arcwall face, the radian of level and smooth arcwall face is pi/180.
Example 3
The embodiment of the invention provides a smooth pipe with a grooved inner wall, which comprises: the body, the body is linear low density polyethylene pipe, is the annular array in the body and has seted up a plurality of miniature recesses of falling trapezoidal, and the degree of depth of miniature recess is 1mm, and a plurality of miniature recesses of falling trapezoidal set up along the length direction of body, and it is stupefied to form a plurality of miniature supports that extend along body length direction between a plurality of miniature recesses of falling trapezoidal, and the stupefied height of miniature support is 1mm, and the stupefied top surface of miniature support is level and smooth plane.
Example 4
The embodiment of the invention provides a smooth pipe with a grooved inner wall, which comprises: the body, the body is linear low density polyethylene pipe, be annular array in the body and seted up a plurality of trapezoidal miniature recesses that fall, the degree of depth of miniature recess is 0.5mm, a plurality of trapezoidal miniature recesses that fall set up along the length direction of body, it is stupefied to form a plurality of miniature supports that extend along body length direction between a plurality of trapezoidal miniature recesses that fall, the height that miniature supported stupefied is 0.5mm, the stupefied top surface of miniature support is smooth arcwall face, the radian of smooth arcwall face is pi/360.
Example 5
The embodiment of the invention provides a smooth pipe with a grooved inner wall, which comprises: the body, the body is linear low density polyethylene pipe, be annular array in the body and seted up a plurality of trapezoidal miniature recesses that fall, the degree of depth of miniature recess is 1mm, a plurality of trapezoidal miniature recesses that fall set up along the length direction of body, it is stupefied to form a plurality of miniature supports that extend along body length direction between a plurality of trapezoidal miniature recesses that fall, miniature supports stupefied height and is 1mm, the stupefied top surface of miniature support is level and smooth arcwall face, the radian of level and smooth arcwall face is pi/90.
In summary, the embodiments of the present invention provide a smooth tube with a grooved inner wall, wherein a micro groove is formed in the inner wall of the smooth tube along a length direction of the smooth tube, the micro groove penetrates through the inner wall of the smooth tube, when a cable is inserted or pulled out, heat generated by friction between the cable and the inner wall of the smooth tube can be led out through the micro groove and tube openings at two ends of the smooth tube, and air can be introduced into the micro groove to accelerate air flow inside the smooth tube to cool the cable. In addition, form miniature between the miniature recess and support stupefied, miniature support stupefied and have level and smooth plane or level and smooth arcwall face, the cable is supported by miniature support stupefied inside the smooth pipe, under the prerequisite of guaranteeing that the smooth pipe supports the cable steadily, reduces the area of contact of cable and smooth inside pipe wall to reduce the heat that cable and smooth inside pipe wall friction produced, reduce frictional force simultaneously, it is more laborsaving when making constructor penetrate or pull out the cable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A smooth tube with a grooved inner wall, comprising: the body, be annular array in the body and seted up a plurality of trapezoidal miniature recesses that fall, it is a plurality of trapezoidal miniature recess that fall is followed the length direction of body sets up, and is a plurality of fall and form a plurality of edges between the trapezoidal miniature recess the miniature support that body length direction extends is stupefied, the stupefied top surface of miniature support be smooth plane or to the interior sunken level and smooth arcwall face of pipe wall of body.
2. The smooth tube with grooved inner wall as claimed in claim 1, wherein the depth of the micro groove is 0.5mm to 1 mm.
3. The smooth tube with grooved inner wall as claimed in claim 1, wherein the radian of the smooth arc surface is pi/360-pi/90.
4. The inner wall grooved smooth tube of claim 3 wherein the smooth arcuate surface has a radian of pi/180.
5. The smooth, internally grooved pipe of claim 1 wherein said pipe body is a linear low density polyethylene pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193437.3A CN112310907A (en) | 2020-10-30 | 2020-10-30 | Smooth pipe with grooved inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193437.3A CN112310907A (en) | 2020-10-30 | 2020-10-30 | Smooth pipe with grooved inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112310907A true CN112310907A (en) | 2021-02-02 |
Family
ID=74333016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011193437.3A Pending CN112310907A (en) | 2020-10-30 | 2020-10-30 | Smooth pipe with grooved inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112310907A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU9800858D0 (en) * | 1997-04-11 | 1998-05-28 | Rehau Ag & Co | Pipe made of polymer |
| CN207730073U (en) * | 2017-11-28 | 2018-08-14 | 佛山市三水集新精密管材有限公司 | A kind of high heat conduction riffled tube |
| CN209419181U (en) * | 2019-04-02 | 2019-09-20 | 杭州宽辰科技有限公司 | A kind of CPVC cable protection pipe |
| CN209642217U (en) * | 2019-03-05 | 2019-11-15 | 江苏东恒电力器材有限公司 | A kind of superpower ring stiffness HPVC power pipe |
| CN209913412U (en) * | 2019-05-27 | 2020-01-07 | 国家电网有限公司 | Cable protective sleeve |
| CN211456568U (en) * | 2020-03-30 | 2020-09-08 | 山东康源管业有限公司 | Trenchless MPP electric power pipe with cable protection function |
-
2020
- 2020-10-30 CN CN202011193437.3A patent/CN112310907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU9800858D0 (en) * | 1997-04-11 | 1998-05-28 | Rehau Ag & Co | Pipe made of polymer |
| CN207730073U (en) * | 2017-11-28 | 2018-08-14 | 佛山市三水集新精密管材有限公司 | A kind of high heat conduction riffled tube |
| CN209642217U (en) * | 2019-03-05 | 2019-11-15 | 江苏东恒电力器材有限公司 | A kind of superpower ring stiffness HPVC power pipe |
| CN209419181U (en) * | 2019-04-02 | 2019-09-20 | 杭州宽辰科技有限公司 | A kind of CPVC cable protection pipe |
| CN209913412U (en) * | 2019-05-27 | 2020-01-07 | 国家电网有限公司 | Cable protective sleeve |
| CN211456568U (en) * | 2020-03-30 | 2020-09-08 | 山东康源管业有限公司 | Trenchless MPP electric power pipe with cable protection function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |