CN215000112U - Prestressed plastic corrugated pipe - Google Patents
Prestressed plastic corrugated pipe Download PDFInfo
- Publication number
- CN215000112U CN215000112U CN202121217361.3U CN202121217361U CN215000112U CN 215000112 U CN215000112 U CN 215000112U CN 202121217361 U CN202121217361 U CN 202121217361U CN 215000112 U CN215000112 U CN 215000112U
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- CN
- China
- Prior art keywords
- corrugated pipe
- bellows
- pipe
- sealing washer
- main part
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005728 strengthening Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 3
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 3
- 241000018646 Pinus brutia Species 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a prestressing force plastic corrugated pipe belongs to prestressing force construction field, a prestressing force plastic corrugated pipe, including connecting main part, first bellows and second bellows, the equal threaded connection of one end that first bellows and second bellows are relative connects the inside of main part, the outside fixedly connected with heat shrink sleeve of joint main part, the heat shrink sleeve control both ends branch is to controlling extension and the cladding in the pipe wall outside of first bellows and second bellows. The utility model discloses a through connecting the main part as the main part of connection, with the relative one end of first bellows and second bellows respectively with the spiral mode, threaded connection is to the inside of connector main part to the messenger is with the relative one end of first bellows and second bellows respectively in close contact with sealing mechanism's both sides, thereby has realized that the device possesses the restriction that has reduced joint department to the bellows effect, and the at utmost keeps the seal and the pliability of bellows, and connects the advantage that closely is difficult for the pine to take off.
Description
Technical Field
The utility model relates to a prestressing force construction field, more specifically say, relate to a prestressing force plastic corrugated pipe.
Background
The corrugated pipes for prestressing are mainly classified into two categories: the metal corrugated pipe and the plastic corrugated pipe are manufactured by taking a metal steel strip as a raw material through a winding and pressing forming process, the metal corrugated pipe is poor in sealing performance and corrosion resistance, the plastic corrugated pipe is formed through one-step extrusion molding of a die, the water tightness and the air tightness are good, a formed closed space is formed, the durability of prestressed reinforcements in a pipeline is improved, conditions are provided for electrical monitoring of a prestressed steel beam, the friction coefficient of the plastic corrugated pipe is lower than that of the metal corrugated pipe, the friction loss of the prestressed steel beam in the stress process is reduced, the application of the plastic corrugated pipe has an active promoting effect on the technology of the prestressed pipeline, when the plastic corrugated pipe is used for forming the closed space, the problem of connection between two sections of pipes needs to be solved, and the connected nodes also need to have good tightness.
However, the existing corrugated pipe for prestress needs to be spliced for use in use, and the existing amplifying time synchronization directly twists two corrugated pipes together in a threaded manner and then winds the two corrugated pipes by glue or adhesive tapes, so that the effect of the corrugated pipe is greatly reduced, the tightness and the flexibility cannot be guaranteed, and the hinges are easy to loosen and fall off, so that the problem is solved by providing the plastic corrugated pipe for prestress.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a prestressing force plastic corrugated pipe to solve the effect of greatly reduced bellows among the prior art, seal and pliability can't be guaranteed, and the easy not hard up problem that drops of hinge.
In order to solve the above problems, the utility model adopts the following technical proposal.
A prestressed plastic corrugated pipe comprises a joint main body, a first corrugated pipe and a second corrugated pipe, wherein one ends, opposite to the first corrugated pipe and the second corrugated pipe, of the first corrugated pipe and the second corrugated pipe are connected to the inside of the joint main body in a threaded mode, a heat shrinkable sleeve is fixedly connected to the outer side of the joint main body, the left end and the right end of the heat shrinkable sleeve extend leftwards and rightwards and are wrapped on the outer sides of pipe walls of the first corrugated pipe and the second corrugated pipe, a sealing mechanism is arranged inside the joint main body, and the sealing mechanism is matched with the first corrugated pipe and the second corrugated pipe.
As a further description of the above technical solution: sealing mechanism includes first sealing washer, second sealing washer and a plurality of strengthening rib, the outside fixed connection of first sealing washer and second sealing washer connects the inside of main part, and first sealing washer and second sealing washer one side that carries on the back mutually respectively with the relative one end in close contact with of first bellows and second bellows, the relative one side of first sealing washer and second sealing washer is fixed connection respectively to the both ends of strengthening rib, the outside fixed connection of strengthening rib connects the inside of main part, and the distance between two adjacent strengthening ribs equals.
As a further description of the above technical solution: the heat shrinkable sleeve is a PVC heat shrinkable tube, and the shrinkage critical temperature of the heat shrinkable sleeve is set to be C.
As a further description of the above technical solution: an inner thread ring is arranged in the joint main body and is in threaded connection with the outer sides of the pipe walls of the first corrugated pipe and the second corrugated pipe.
As a further description of the above technical solution: the inner side surface of the inner thread ring is provided with a flexible sealing gasket, and the interior of the flexible sealing gasket is in close contact with the outer sides of the pipe walls of the first corrugated pipe and the second corrugated pipe.
As a further description of the above technical solution: the heat shrinkable sleeve extends towards the left side and the right side and respectively coats more than two corrugated rings on the outer sides of the tube walls of the first corrugated tube and the second corrugated tube.
The utility model takes the joint main body as the connecting main body, and the opposite ends of the first corrugated pipe and the second corrugated pipe are respectively connected to the inner part of the joint main body in a screw way, and the opposite ends of the first corrugated pipe and the second corrugated pipe are respectively in close contact with the two sides of the sealing mechanism, then the heat shrinkable sleeve is heated to be shrunk, the outer pipe wall opposite to the first corrugated pipe and the second corrugated pipe is coated, so that the joint main body, the first corrugated pipe and the second corrugated pipe are connected into a sealed whole, thereby realizing that the device has the advantages of reducing the limitation of the joint on the corrugated pipe, keeping the tightness and flexibility of the corrugated pipe to the maximum extent, and connect the advantage that closely is difficult for the pine to take off, solved among the prior art greatly reduced the effect of bellows, leakproofness and pliability can't be guaranteed to the problem that the hinge is not hard up easily and drops.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of the part A of FIG. 1;
fig. 3 is a schematic side view of the cross-sectional structure of the present invention;
fig. 4 is a schematic front view of the three-dimensional structure of the present invention.
The reference numbers in the figures illustrate:
1. a connector body; 2. a first bellows; 3. a second bellows; 4. heat-shrinkable sleeving; 5. a sealing mechanism; 51. a first seal ring; 52. a second seal ring; 53. reinforcing ribs; 6. a thread ring; 61. a flexible gasket.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;
please refer to fig. 1-4, in the present invention, a prestressed plastic corrugated pipe comprises a joint main body 1, a first corrugated pipe 2 and a second corrugated pipe 3, wherein the opposite ends of the first corrugated pipe 2 and the second corrugated pipe 3 are connected to the inside of the joint main body 1 by threads, the outside of the joint main body 1 is fixedly connected with a heat shrinkable sleeve 4, the left and right ends of the heat shrinkable sleeve 4 extend in left and right directions and are wrapped on the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3, so a sealing mechanism 5 is arranged inside the joint main body 1, and the sealing mechanism 5 is matched with the first corrugated pipe 2 and the second corrugated pipe 3.
The joint body 1 is used as a connecting body, one end of the first corrugated pipe 2 opposite to one end of the second corrugated pipe 3 is respectively connected to the inside of the joint body 1 in a spiral mode, the other end of the first corrugated pipe 2 opposite to the second corrugated pipe 3 is respectively in close contact with two sides of the sealing mechanism 5, then the heat-shrinkable sleeve 4 is heated to be shrunk by heating, the outer pipe wall of the first corrugated pipe 2 opposite to the second corrugated pipe 3 is coated, the joint body 1, the first corrugated pipe 2 and the second corrugated pipe 3 are connected into a sealed whole, and therefore the device has the advantages of reducing the limitation of the joint on the corrugated pipe, keeping the tightness and flexibility of the corrugated pipes to the maximum extent, being tightly connected and not easy to loosen, solving the problems that the effect of the corrugated pipes is greatly reduced and the tightness and the flexibility cannot be guaranteed in the prior art, and the hinge is easy to loosen and fall off.
Please refer to fig. 1 and fig. 3, wherein: sealing mechanism 5 includes first sealing washer 51, second sealing washer 52 and a plurality of strengthening rib 53, the outside fixed connection of first sealing washer 51 and second sealing washer 52 connects the inside of main part 1, the one side that first sealing washer 51 carried on the back with second sealing washer 52 respectively with the relative one end in close contact with of first bellows 2 and second bellows 3, the both ends of strengthening rib 53 are fixed connection respectively to the relative one side of first sealing washer 51 and second sealing washer 52, the outside fixed connection of strengthening rib 53 connects the inside of main part 1, the distance between two adjacent strengthening ribs 53 equals.
Through the cooperation use of first sealing washer 51, second sealing washer 52 and a plurality of strengthening rib 53, first sealing washer 51 seals between the inner wall of first bellows 2 and joint main part 1 and spacing, and second sealing washer 52 seals between the inner wall of second bellows 3 and joint main part 1 and spacing, and strengthening rib 53 can effectively support first sealing washer 51 and second sealing washer 52, can keep good pliability and leakproofness when making joint department more firm.
Please refer to fig. 1 and fig. 4, wherein: the heat shrinkable sleeve 4 is a PVC heat shrinkable tube, and the shrinkage critical temperature of the heat shrinkable sleeve 4 is 98 ℃.
The heat-shrinkable sleeve 4 is a PVC heat-shrinkable tube with the heat-shrinkable critical value of 98 ℃, so that the device is convenient to operate, the consumption is reduced, and the use cost is saved during the heating and cladding process.
Please refer to fig. 1 and fig. 2, wherein: an internal thread ring 6 is arranged inside the joint main body 1, and the internal thread ring 6 is in threaded connection with the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3.
Through the threaded connection of the inner thread ring 6 and the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3, the joint main body 1 is connected with the first corrugated pipe 2 and the second corrugated pipe 3 more tightly and difficultly to loosen.
Please refer to fig. 1 and fig. 2, wherein: the inner side surface of the internal thread ring 6 is provided with a flexible sealing gasket 61, and the inside of the flexible sealing gasket 61 is in close contact with the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3.
The flexible seal 61 can enhance the sealing performance of the connection between the joint body 1 and the first bellows 2 and the second bellows 3, and make the connection more secure.
Please refer to fig. 1, fig. 2 and fig. 4, wherein: the heat shrinkable sleeve 4 extends towards the left side and the right side and respectively coats more than two corrugated rings on the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3.
The heat shrinkable sleeve 4 is used for respectively coating more than two corrugated rings on the outer sides of the pipe walls of the first corrugated pipe 2 and the second corrugated pipe 3, so that the coating effect of the device is better, the connection is tighter, and the sealing performance of the joint is ensured.
When the device is used, the opposite ends of the first corrugated pipe 2 and the second corrugated pipe 3 are respectively connected to the inside of the connector main body 1 in a spiral manner by screw threads, the first sealing ring 51 seals and limits the space between the first corrugated pipe 2 and the inner wall of the connector main body 1, the second sealing ring 52 seals and limits the space between the second corrugated pipe 3 and the inner wall of the connector main body 1, the reinforcing rib 53 can effectively support the first sealing ring 51 and the second sealing ring 52, then the heat-shrinkable sleeve 4 is heated to be heated and shrunk, the outer pipe wall opposite to the first corrugated pipe 2 and the second corrugated pipe 3 is coated, so that the connector main body 1, the first corrugated pipe 2 and the second corrugated pipe 3 are connected into a sealed whole, the limitation of the device on the effect of the corrugated pipes at the joint is reduced, and the tightness and flexibility of the corrugated pipes are maintained to the maximum extent, and connect the advantage that closely is difficult for the pine to take off, solved among the prior art greatly reduced the effect of bellows, leakproofness and pliability can't be guaranteed to the problem that the hinge is not hard up easily and drops.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. A prestressed plastic corrugated pipe comprises a joint main body (1), a first corrugated pipe (2) and a second corrugated pipe (3), wherein one ends of the first corrugated pipe (2) and the second corrugated pipe (3) which are opposite are in threaded connection with the inside of the joint main body (1), and the prestressed plastic corrugated pipe is characterized in that: the outer side of the joint main body (1) is fixedly connected with a heat shrinkable sleeve (4), the left end and the right end of the heat shrinkable sleeve (4) extend leftwards and rightwards and are wrapped on the outer sides of the pipe walls of the first corrugated pipe (2) and the second corrugated pipe (3), so that a sealing mechanism (5) is arranged inside the joint main body (1), and the sealing mechanism (5) is matched with the first corrugated pipe (2) and the second corrugated pipe (3).
2. A pre-stressed plastic bellows according to claim 1, wherein: sealing mechanism (5) are including first sealing washer (51), second sealing washer (52) and a plurality of strengthening rib (53), the outside fixed connection of first sealing washer (51) and second sealing washer (52) connects the inside of main part (1), first sealing washer (51) and second sealing washer (52) one side of carrying on the back respectively with first bellows (2) and the relative one end in close contact with of second bellows (3), the relative one side of first sealing washer (51) and second sealing washer (52) is fixed connection respectively to the both ends of strengthening rib (53), the outside fixed connection of strengthening rib (53) connects the inside of main part (1), and the distance between two adjacent strengthening ribs (53) equals.
3. A pre-stressed plastic bellows according to claim 1, wherein: the heat shrinkable sleeve (4) is a PVC heat shrinkable tube, and the shrinkage critical temperature of the heat shrinkable sleeve (4) is 98 ℃.
4. A pre-stressed plastic bellows according to claim 1, wherein: an inner thread ring (6) is arranged in the joint main body (1), and the inner thread ring (6) is in threaded connection with the outer sides of the pipe walls of the first corrugated pipe (2) and the second corrugated pipe (3).
5. A pre-stressed plastic bellows according to claim 4, wherein: the inner side surface of the inner thread ring (6) is provided with a flexible sealing gasket (61), and the interior of the flexible sealing gasket (61) is in close contact with the outer sides of the pipe walls of the first corrugated pipe (2) and the second corrugated pipe (3).
6. A pre-stressed plastic bellows according to claim 1, wherein: the heat shrinkable sleeve (4) extends towards the left side and the right side and respectively coats more than two corrugated rings on the outer sides of the pipe walls of the first corrugated pipe (2) and the second corrugated pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217361.3U CN215000112U (en) | 2021-06-02 | 2021-06-02 | Prestressed plastic corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217361.3U CN215000112U (en) | 2021-06-02 | 2021-06-02 | Prestressed plastic corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215000112U true CN215000112U (en) | 2021-12-03 |
Family
ID=79085828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121217361.3U Expired - Fee Related CN215000112U (en) | 2021-06-02 | 2021-06-02 | Prestressed plastic corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215000112U (en) |
-
2021
- 2021-06-02 CN CN202121217361.3U patent/CN215000112U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |