CN220435759U - PVC pipe with good air tightness - Google Patents
PVC pipe with good air tightness Download PDFInfo
- Publication number
- CN220435759U CN220435759U CN202321841652.9U CN202321841652U CN220435759U CN 220435759 U CN220435759 U CN 220435759U CN 202321841652 U CN202321841652 U CN 202321841652U CN 220435759 U CN220435759 U CN 220435759U
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- connecting pipe
- pvc pipe
- pvc
- pipe
- outer connecting
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 229920000915 polyvinyl chloride Polymers 0.000 description 68
- 239000004800 polyvinyl chloride Substances 0.000 description 68
- 239000000463 material Substances 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model belongs to the technical field of PVC pipes, in particular to a PVC pipe with good air tightness, which comprises two PVC pipe bodies, wherein an outer connecting pipe and an inner connecting pipe are arranged between the two PVC pipe bodies, the inner connecting pipe is positioned in the outer connecting pipe, and a connecting mechanism is arranged between the PVC pipe bodies and the outer connecting pipe; a screw-fastening mechanism is arranged between the inner connecting pipe and the outer connecting pipe, a sealing mechanism is arranged between the PVC pipe body and the inner connecting pipe, and a reinforcing mechanism is arranged on the PVC pipe body. The PVC pipe is reasonable in design, the sealing mechanism is arranged, the purpose of improving the air tightness between the PVC pipe body and the outer connecting pipe and the inner connecting pipe can be achieved, the fixing mechanism and the screwing mechanism are arranged, the purpose of preventing loosening and detachment between the PVC pipe body and the outer connecting pipe and between the PVC pipe body and the inner connecting pipe can be achieved, and the reinforcing mechanism is arranged, so that the purposes of improving the bearing performance, the corrosion resistance and the heat resistance of the PVC pipe body can be achieved.
Description
Technical Field
The utility model relates to the technical field of PVC pipes, in particular to a PVC pipe with good air tightness.
Background
PVC pipe is also called hard polyvinyl chloride pipe, is formed by extrusion molding of PVC resin with stabilizer, lubricant and the like by hot pressing method, is the plastic pipe developed and applied at the earliest, and is widely applied to various fields such as shell package of products and corresponding dredging pipelines and sewer pipelines along with development of technology, especially dredging pipelines and sewer pipelines made of PVC materials, and has gradually replaced metal pipelines at present due to the characteristics of light material, good flame retardance and acid and alkali resistance, simple processing and durability.
At present, a PVC pipe sealing joint of chinese patent bulletin with publication number CN215568857U, including left joint, right joint, left joint and right joint sliding connection, the junction installation that left joint and right joint is used for sealing the sealing member of left joint and right joint junction, the junction installation that left joint and right joint are used for left joint and right joint fixed mounting, this PVC pipe sealing joint is convenient for link again after PVC pipe and former joint were cut off.
In practical use, the PVC pipe is adhered between the joint and the sealing element through glue, and in the long-term use process, the PVC pipe is heated or impacted by external force, the glue is easy to crack, so that the connection between the joint and the sealing element is easy to loose, and even leakage occurs; in addition, the PVC pipe is softer in material, poor in bearing capacity, easy to deform, poor in heat resistance, poor in air tightness, poor in heat resistance and corrosion resistance effect, and thus the service life is influenced, so that the PVC pipe with good air tightness is provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the problems in the prior art: the PVC pipe has the defects of poor air tightness, poor bearing property, poor heat resistance and poor corrosion resistance, thereby influencing the service life.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the PVC pipe with good air tightness comprises two PVC pipe bodies, wherein an outer connecting pipe and an inner connecting pipe are arranged between the two PVC pipe bodies, the inner connecting pipe is positioned in the outer connecting pipe, and a connecting mechanism is arranged between the PVC pipe bodies and the outer connecting pipe; a screw-fastening mechanism is arranged between the inner connecting pipe and the outer connecting pipe, a sealing mechanism is arranged between the PVC pipe body and the inner connecting pipe, and a reinforcing mechanism is arranged on the PVC pipe body.
Preferably, the connecting mechanism comprises a mounting ring and a connecting ring, two mounting rings are fixedly sleeved on the outer connecting pipe, the connecting ring is fixedly sleeved on the PVC pipe body, and a fixing mechanism is arranged between the mounting rings and the connecting ring.
Preferably, the fixing mechanism comprises a first thread groove and a first bolt, the first thread groove is formed in one side, away from each other, of each of the two mounting rings, the first threaded hole is formed in each of the mounting rings, and the same first bolt is installed in each of the first threaded hole and the first thread groove in a threaded manner.
Preferably, the screwing mechanism comprises two fixing seats, a second thread groove and a second bolt, the fixing seats are fixedly installed at the top and the bottom of the inner connecting pipe, the second thread groove is formed in one side, away from each other, of the two fixing seats, the second thread hole is formed in the top and the bottom of the outer connecting pipe, the same second bolt is installed in the second thread hole and the second thread groove in a threaded manner, and a pressing mechanism is arranged between the second bolt and the outer connecting pipe.
Preferably, the compressing mechanism comprises a pressing sheet and a screw cap, the pressing sheets are arranged on the top and the bottom of the outer connecting pipe, the screw cap is arranged at the other end of the second bolt, the pressing sheet is sleeved on the second bolt in a threaded manner, and the screw cap is matched with the pressing sheet.
Preferably, the sealing mechanism comprises a U-shaped sealing gasket, an L-shaped sealing gasket, a U-shaped groove and an L-shaped groove, the same U-shaped sealing gasket is arranged between the outer connecting pipe and the inner connecting pipe, the U-shaped groove is arranged on the U-shaped sealing gasket, the PVC pipe body is installed and matched with the U-shaped groove, the L-shaped sealing gasket is arranged on the inner wall of the PVC pipe body, the L-shaped groove is arranged on the L-shaped sealing gasket, and the inner connecting pipe is matched with the L-shaped groove.
Preferably, the reinforcing mechanism comprises a corrosion-resistant steel wire layer, a heat-resistant layer and a PVC layer, wherein the corrosion-resistant steel wire layer is arranged in the PVC pipe body, the heat-resistant layer is arranged in the corrosion-resistant steel wire layer, and the PVC layer is arranged in the heat-resistant layer.
The utility model has the beneficial effects that:
1. through the cooperation of the U-shaped sealing gasket, the U-shaped groove, the L-shaped sealing gasket, the L-shaped groove and the PVC pipe body, the corrosion-resistant steel wire layer and the PVC layer can be tightly attached to the inner wall of the U-shaped groove, the inner connecting pipe and the L-shaped groove can be tightly attached, and the purpose of improving the air tightness between the PVC pipe body and the outer connecting pipe and the inner connecting pipe can be realized;
2. through the cooperation of first bolt, first screw and first thread groove, can realize carrying out fixed connection with collar and go together, can realize PVC pipe body and outer company of tubes and carry out fixed connection's purpose, through the cooperation of second bolt, second screw and second thread groove, through the cooperation of nut and preforming, can realize extruding to outer company of tubes through the preforming, can realize that outer company of tubes extrudees PVC pipe body through U type sealed pad, can realize laminating between outer company of tubes, inner company of tubes and the PVC pipe body more closely, can realize preventing that PVC pipe body and outer company of tubes, inner company of tubes from producing not hard up breaking away from, can realize the higher purpose of gas tightness.
3. The corrosion-resistant steel wire layer, the heat-resistant layer and the PVC layer are matched, so that the corrosion-resistant steel wire layer is made of corrosion-resistant and reinforcing materials, and the heat-resistant layer is made of high-temperature-resistant materials, so that the purposes of improving the bearing performance, corrosion resistance and heat resistance of the PVC pipe body can be achieved.
Drawings
FIG. 1 is a schematic perspective view of a PVC pipe with good air tightness;
FIG. 2 is a schematic diagram of a cross-sectional front view of a PVC pipe with good air tightness according to the present utility model;
FIG. 3 is a schematic view of a portion A of a PVC pipe with good air tightness;
FIG. 4 is a schematic diagram showing the structure of a portion B of a PVC pipe with good air tightness.
In the figure: 1. a PVC pipe body; 2. an outer connecting tube; 3. an inner connecting tube; 4. a U-shaped sealing gasket; 5. an L-shaped sealing gasket; 6. a fixing seat; 7. a mounting ring; 8. a connecting ring; 9. a first thread groove; 10. a first bolt; 11. a second thread groove; 12. a second bolt; 13. tabletting; 14. an L-shaped groove; 15. a screw cap; 16. a corrosion resistant steel wire layer; 17. a heat-resistant layer; 18. a PVC layer.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, a PVC pipe with good air tightness comprises two PVC pipe bodies 1, an outer connecting pipe 2 and an inner connecting pipe 3 are arranged between the two PVC pipe bodies 1, the inner connecting pipe 3 is positioned in the outer connecting pipe 2, and a connecting mechanism is arranged between the PVC pipe bodies 1 and the outer connecting pipe 2; a screw tightening mechanism is arranged between the inner connecting pipe 3 and the outer connecting pipe 2, a sealing mechanism is arranged between the PVC pipe body 1 and the inner connecting pipe 3, and a reinforcing mechanism is arranged on the PVC pipe body 1.
In this embodiment, coupling mechanism includes collar 7 and go-between 8, and fixed cover is equipped with two collars 7 on the outer connecting pipe 2, and fixed cover is equipped with go-between 8 on the PVC pipe body 1, is provided with fixed establishment between collar 7 and the go-between 8 for can be connected PVC pipe body 1 and outer connecting pipe 2 through collar 7 and go-between 8 through being provided with coupling mechanism.
In this embodiment, fixed establishment includes first thread groove 9 and first bolt 10, and first thread groove 9 has all been seted up to one side that two collar 7 kept away from each other, has seted up first screw hole on the collar 7, and same first bolt 10 is installed to first screw hole and first thread groove 9 internal thread, through being provided with fixed establishment for can fix collar 7 and go on spacing with go-between 8 through first bolt 10, can realize outer connecting pipe 2 and PVC pipe body 1 and carry out fixed connection's purpose.
In this embodiment, screw mechanism includes two fixing bases 6, second thread groove 11 and second bolt 12, equal fixed mounting in inner connecting tube 3 top and bottom has fixing base 6, second thread groove 11 has all been seted up to one side that two fixing bases 6 kept away from each other, the second screw hole has all been seted up to outer connecting tube 2 top and bottom, same second bolt 12 is installed to second screw hole and second thread groove 11 internal thread, be provided with hold-down mechanism between second bolt 12 and the outer connecting tube 2, through being provided with screw mechanism, make through second bolt 12 can fix outer connecting tube 2 and fixing base 6, can realize outer connecting tube 2 and inner connecting tube 3 and fix the purpose.
In this embodiment, hold-down mechanism includes preforming 13 and nut 15, all is provided with preforming 13 on outer connecting tube 2 top and the bottom, and the second bolt 12 other end is provided with nut 15, and preforming 13 thread bush is established on second bolt 12, and nut 15 and preforming 13 looks adaptation for can compress tightly preforming 13 through being provided with hold-down mechanism, can realize that preforming 13 compresses tightly outer connecting tube 2's purpose through nut 15.
In this embodiment, sealing mechanism includes U type sealed pad 4, L type sealed pad 5, U type groove and L type groove 14, be provided with same U type sealed pad 4,U type sealed pad 4 between outer connecting pipe 2 and the inner connecting pipe 3 and be provided with U type groove, PVC pipe body 1 installs and U type groove looks adaptation, PVC pipe body 1 inner wall is provided with L type sealed pad 5,L type sealed pad 5 and is provided with L type groove 14, inner connecting pipe 3 and L type groove 14 looks adaptation, through being provided with sealing mechanism, make corrosion resistant wire layer 16 closely laminate with PVC layer 18 and U type inslot wall, inner connecting pipe 3 closely laminate with L type groove 14, can realize improving the purpose of the gas tightness between PVC pipe body 1 and outer connecting pipe 2 and the inner connecting pipe 3.
In this embodiment, the strengthening mechanism includes corrosion-resistant steel wire layer 16, heat-resistant layer 17 and PVC layer 18, is provided with corrosion-resistant steel wire layer 16 in the PVC pipe body 1, is provided with heat-resistant layer 17 in the corrosion-resistant steel wire layer 16, is provided with PVC layer 18 in the heat-resistant layer 17 for through being provided with strengthening mechanism, through corrosion-resistant steel wire layer 16 by corrosion-resistant and reinforcement nature material constitution, heat-resistant layer 17 by high temperature resistant material constitution, can realize improving the purpose of the bearing capacity of PVC pipe body 1, corrosion resistance and heat resistance.
In the utility model, when in use, firstly, two PVC pipe bodies 1 are inserted into a U-shaped groove on a U-shaped sealing gasket, so that the corrosion-resistant steel wire layer 16 and the PVC layer 18 can be tightly attached to the inner wall of the U-shaped groove, the inner connecting pipe 3 and the L-shaped groove 14 can be tightly attached, the purpose of improving the air tightness between the PVC pipe bodies 1 and the outer connecting pipe 2 and the inner connecting pipe 3 can be realized, by installing a first bolt 10 in a first screw hole and a first screw groove 9 in a threaded manner, the mounting ring 7 and the connecting ring 8 can be fixedly connected together, the purpose of fixedly connecting the PVC pipe bodies 1 and the outer connecting pipe 2 can be realized, by sleeving a pressing piece 13 on a second bolt 12 at first, through installing second bolt 12 screw thread in second screw, second thread groove 11, extrude preforming 13 through nut 15, extrude outer connecting pipe 2 through preforming 13, can realize outer connecting pipe 2 and extrude PVC pipe body 1 through U type sealed 4, can realize laminating inseparabler between outer connecting pipe 2, interior connecting pipe 3 and the PVC pipe body 1, can realize preventing that PVC pipe body 1 from producing not hard up breaking away from between outer connecting pipe 2, the interior connecting pipe 3, can realize the purpose that the gas tightness is higher, constitute by corrosion-resistant and reinforcement nature material through corrosion-resistant steel wire layer 16, constitute by high temperature resistant material through heat-resistant layer 17, can realize improving the bearing capacity of PVC pipe body 1, corrosion resistance and heat resistance's purpose.
The PVC pipe with good air tightness provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (7)
1. The PVC pipe with the good air tightness is characterized by comprising two PVC pipe bodies (1), wherein an outer connecting pipe (2) and an inner connecting pipe (3) are arranged between the two PVC pipe bodies (1), the inner connecting pipe (3) is positioned in the outer connecting pipe (2), and a connecting mechanism is arranged between the PVC pipe bodies (1) and the outer connecting pipe (2);
a screwing mechanism is arranged between the inner connecting pipe (3) and the outer connecting pipe (2), a sealing mechanism is arranged between the PVC pipe body (1) and the inner connecting pipe (3), and a reinforcing mechanism is arranged on the PVC pipe body (1).
2. The PVC pipe with good air tightness according to claim 1, wherein the connecting mechanism comprises a mounting ring (7) and a connecting ring (8), the two mounting rings (7) are fixedly sleeved on the outer connecting pipe (2), the connecting ring (8) is fixedly sleeved on the PVC pipe body (1), and a fixing mechanism is arranged between the mounting rings (7) and the connecting ring (8).
3. The PVC pipe with good air tightness according to claim 2, wherein the fixing mechanism comprises a first thread groove (9) and a first bolt (10), the first thread groove (9) is provided on one side of the two mounting rings (7) far away from each other, a first threaded hole is provided on the mounting ring (7), and the first threaded hole and the first thread groove (9) are internally threaded with the same first bolt (10).
4. The PVC pipe with good air tightness according to claim 1, wherein the screwing mechanism comprises two fixing seats (6), second thread grooves (11) and second bolts (12), the fixing seats (6) are fixedly installed at the top and the bottom of the inner connecting pipe (3), the second thread grooves (11) are formed in the two sides, away from each other, of the fixing seats (6), second threaded holes are formed in the top and the bottom of the outer connecting pipe (2), the same second bolts (12) are installed in the second threaded holes and the second thread grooves (11) in an internal thread mode, and a pressing mechanism is arranged between the second bolts (12) and the outer connecting pipe (2).
5. The PVC pipe with good air tightness according to claim 4, wherein the pressing mechanism comprises a pressing sheet (13) and a screw cap (15), the pressing sheet (13) is arranged on the top and the bottom of the outer connecting pipe (2), the screw cap (15) is arranged at the other end of the second bolt (12), the pressing sheet (13) is sleeved on the second bolt (12) in a threaded manner, and the screw cap (15) is matched with the pressing sheet (13).
6. The PVC pipe with good air tightness according to claim 1, wherein the sealing mechanism comprises a U-shaped sealing gasket (4), an L-shaped sealing gasket (5), a U-shaped groove and an L-shaped groove (14), the same U-shaped sealing gasket (4) is arranged between the outer connecting pipe (2) and the inner connecting pipe (3), the U-shaped groove is arranged on the U-shaped sealing gasket (4), the PVC pipe body (1) is installed and matched with the U-shaped groove, the L-shaped sealing gasket (5) is arranged on the inner wall of the PVC pipe body (1), the L-shaped groove (14) is arranged on the L-shaped sealing gasket (5), and the inner connecting pipe (3) is matched with the L-shaped groove (14).
7. The PVC pipe with good air tightness according to claim 1, wherein the reinforcing mechanism comprises a corrosion-resistant steel wire layer (16), a heat-resistant layer (17) and a PVC layer (18), the corrosion-resistant steel wire layer (16) is provided in the PVC pipe body (1), the heat-resistant layer (17) is provided in the corrosion-resistant steel wire layer (16), and the PVC layer (18) is provided in the heat-resistant layer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841652.9U CN220435759U (en) | 2023-07-13 | 2023-07-13 | PVC pipe with good air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841652.9U CN220435759U (en) | 2023-07-13 | 2023-07-13 | PVC pipe with good air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435759U true CN220435759U (en) | 2024-02-02 |
Family
ID=89703231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841652.9U Active CN220435759U (en) | 2023-07-13 | 2023-07-13 | PVC pipe with good air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435759U (en) |
-
2023
- 2023-07-13 CN CN202321841652.9U patent/CN220435759U/en active Active
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