CN220016526U - Plastic steel pipeline sealing connection device - Google Patents
Plastic steel pipeline sealing connection device Download PDFInfo
- Publication number
- CN220016526U CN220016526U CN202321187908.9U CN202321187908U CN220016526U CN 220016526 U CN220016526 U CN 220016526U CN 202321187908 U CN202321187908 U CN 202321187908U CN 220016526 U CN220016526 U CN 220016526U
- Authority
- CN
- China
- Prior art keywords
- connector
- plastic
- steel pipeline
- liquid
- pipeline
- 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.)
- Active
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 58
- 229920003023 plastic Polymers 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 54
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of pipeline sealing, in particular to a sealing connection device for a plastic steel pipeline, which comprises a connector, wherein the connector is in threaded connection with one end of the plastic pipeline, a connecting flange is arranged on one side, away from the plastic pipeline, of the connector, the connector is connected with the connecting flange through a fastener, a sealing gasket is arranged between the connector and the connecting flange, and the connecting flange is connected with one end of the steel pipeline. According to the technical scheme, the connector is in threaded connection with the plastic pipeline, the connector is connected with the connecting flange through the fastener, and the sealing gasket is arranged between the connector and the connecting flange, so that the sealing connection of the plastic steel pipeline is realized, the problem that the plastic steel pipeline connection part is easy to leak due to insufficient sealing property in the existing flange connection is solved, the sealing property of the plastic steel pipeline connection part is improved, the environmental pollution caused by medium leakage is avoided, and the environment protection and safety are facilitated.
Description
Technical Field
The utility model relates to the technical field of pipeline sealing, in particular to a plastic steel pipeline sealing and connecting device.
Background
The plastic pipeline has the advantages of energy conservation, material saving, environmental protection, light weight, high strength, corrosion resistance, low melting point, convenient construction and the like, is widely applied to the building industry, municipal, industrial and agricultural fields such as building water supply and drainage, urban and rural water supply and drainage, urban fuel gas, electric power, agricultural irrigation and the like, and compared with the plastic pipeline, the steel pipeline has excellent mechanical properties, but the corrosion resistance in a plurality of chemical media is often inferior to that of the plastic pipeline, so that the plastic pipeline is often adopted for the pipeline with corrosion resistance requirements in engineering, and the steel pipeline is adopted for other pipeline sections.
Because the melting point, the thermal expansion coefficient and the mechanical property of plastics and steel are very different, the plastic and the steel cannot be directly connected in a hot melting mode, the plastic and the steel are generally connected through flanges in engineering, namely, the flange is applied with pretightening force through a fastening bolt, so that the functions of rigid connection and sealing are realized, however, the sealing performance of the connecting mode is not good, the plastic and steel connecting structure is only suitable for occasions with short-term use and low requirements on the leakage rate of media, after long-term use, the plastic pipeline is easy to have stress relaxation, the flange joint is loosened, and therefore, the joint of the plastic and steel pipeline is leaked, and the environment is polluted.
Disclosure of Invention
The utility model aims to provide a sealing connection device for plastic steel pipelines, which has simple structure and strong practicability, can realize sealing connection of plastic steel pipelines, solves the problem that the plastic steel pipelines are easy to leak due to insufficient sealing property in the existing flange connection, improves the sealing property of the plastic steel pipelines, effectively prevents leakage of media, avoids environmental pollution caused by leakage of the media, and is beneficial to environmental protection and safety.
The utility model provides a sealing connection device for a plastic steel pipeline, which comprises a connector, wherein the connector is in threaded connection with one end of the plastic pipeline, a connecting flange is arranged on one side, away from the plastic pipeline, of the connector, the connector is connected with the connecting flange through a fastener, a sealing gasket is arranged between the connector and the connecting flange, and the connecting flange is connected with one end of the steel pipeline.
Further, the connecting flange is sleeved on the outer side of one end, close to the plastic pipeline, of the steel pipeline and is welded with the steel pipeline.
Further, the plastic pipeline is close to the outer side of one end of the connector and is provided with a first external thread, and the inner side of the connector is provided with a first internal thread matched with the first external thread.
Further, the fastening piece comprises a fastening bolt, a plurality of uniformly distributed mounting holes are formed in the connecting flange, and one end of the fastening bolt penetrates through the mounting holes and is in threaded connection with the connector.
Further, the bottom of the connector is provided with a liquid outlet communicated with the inside of the connector, a liquid outlet is arranged below the connector, and the liquid outlet is communicated with the liquid outlet.
Further, the inner side of the liquid outlet is provided with a second internal thread, the outer side of the liquid outlet is provided with a second external thread matched with the second internal thread, and the top of the liquid outlet is provided with a liquid inlet communicated with the inside of the liquid outlet.
Further, a liquid outlet communicated with the inside of the liquid draining device is formed in the bottom of the liquid draining device, and the liquid outlet is communicated with the liquid storage tank through a liquid guiding pipe.
Further, a sealing block is arranged at the position, corresponding to the liquid outlet, of the inside of the liquid draining device, and a driving assembly for driving the sealing block to lift is arranged in the inside of the liquid draining device.
Further, the driving assembly comprises a weight ball, the weight ball is located at the top of the sealing block, a supporting rod is connected to the inner side of the liquid draining device in a rotating mode, and one end, away from the liquid draining device, of the supporting rod is connected with the weight ball.
Further, the counterweight ball is characterized in that a mounting ring is arranged at one end of the supporting rod, which is close to the counterweight ball, and the mounting ring is connected with the counterweight ball through a locating pin.
The utility model has the beneficial effects that:
according to the technical scheme, the connector is in threaded connection with the plastic pipeline, the connector is connected with the connecting flange through the fastener, and the sealing gasket is arranged between the connector and the connecting flange, so that the sealing connection of the plastic steel pipeline is realized, the problem that the plastic steel pipeline connection part is easy to leak due to insufficient sealing property in the existing flange connection is solved, the sealing property of the plastic steel pipeline connection part is improved, leakage of a medium is effectively prevented, environmental pollution caused by leakage of the medium is avoided, and the plastic steel pipeline connection part is beneficial to environmental protection and safety.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a plastic steel pipe sealing connection device in embodiment 1 of the present utility model;
FIG. 2 is a schematic view of the plastic steel pipe sealing connection device in the embodiment 1 of the present utility model, excluding the liquid draining device and the liquid storage tank;
FIG. 3 is a schematic view showing the structure of a liquid discharging device and a liquid storage tank in embodiment 1 of the present utility model;
fig. 4 is a schematic structural view of a support rod according to embodiment 1 of the present utility model.
Reference numerals illustrate:
1-steel pipeline, 2-plastic pipeline, 3-connector, 4-sealing gasket, 5-flange, 6-fastening bolt, 7-fluid-discharge device, 8-catheter, 9-liquid storage tank, 10-fluid-discharge port, 11-liquid inlet, 12-bracing piece, 13-sealing block, 14-counterweight ball, 15-locating pin, 16-liquid outlet, 17-collar.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. 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 be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The utility model provides a plastic steel pipeline sealing connection device, shown by fig. 1 through 4, including connector 3, the inboard of connector 3 is equipped with first internal thread, the one end outside of plastic pipeline 2 is equipped with the first external screw thread with first internal screw thread looks adaptation, one side that plastic pipeline 2 was kept away from to connector 3 is equipped with flange 5, be equipped with a plurality of evenly distributed's mounting hole on the flange 5, the mounting hole is passed to fastening bolt 6's one end, and with connector 3 threaded connection, be equipped with sealed pad 4 between connector 3 and the flange 5, flange 5 cover is established in the one end outside of steel pipeline 1, and weld with steel pipeline 1.
Through with connector 3 and plastic pipe 2 threaded connection, rethread fastening bolt 6 realizes the connection of connector 3 and flange 5 to set up sealed the pad between connector 3 and flange 5, thereby realized the sealing connection to plastic steel pipeline, solved current flange joint and because of the problem that the leakproofness is not enough and lead to plastic steel pipeline junction to take place to leak easily, improved the leakproofness of plastic steel pipeline junction, effectively prevented the leakage of medium, avoided the environmental pollution who causes because of the medium leaks, be favorable to environmental protection safety, in addition, in the use, if connector 4 takes place not hard up, the accessible fastening bolt 6 carries out real-time fastening, avoid taking place to leak, connector 4 selects the hexagonal joint.
The bottom of connector 4 is equipped with leakage fluid dram 10, the inboard of leakage fluid dram 10 is equipped with the second internal thread, the below of connector 4 is equipped with fluid dram 7, the outside of fluid dram 7 is equipped with the second external screw thread with second internal screw thread looks adaptation, the top of fluid dram 7 is equipped with the inlet 11 rather than inside intercommunication, the bottom of fluid dram 7 is equipped with the liquid outlet 16 rather than inside intercommunication, liquid outlet 16 communicates with liquid storage tube 9 through catheter 8, the inside of fluid dram 7 corresponds the position department of liquid outlet 16 and is equipped with sealing block 13, the top of sealing block 13 is equipped with counter weight ball 14, the inboard rotation of fluid dram 7 is connected with bracing piece 12, the one end that fluid dram 7 was kept away from to bracing piece 12 is equipped with collar 17, collar 17 is connected with counter weight ball 14 through locating pin 15.
Through setting up fluid-discharge device 7 in the below of connector 3, can collect the medium of leakage, when the buoyancy of fluid-discharge device 7 inside medium is greater than the gravity of counter weight ball 14, counter weight ball 14 come-up, drive sealing block 13 simultaneously and upwards move, at this moment, the inside medium of fluid-discharge device 7 is discharged from liquid outlet 16, enter into the inside of liquid storage pot 9 through catheter 8, so that regularly carry out environmental protection to the medium, avoid causing environmental pollution, after the inside medium of fluid-discharge device 7 is discharged, counter weight ball 14 utilizes self gravity to descend, drive sealing block 13 simultaneously and move down, seal liquid outlet 16.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a plastic steel pipeline sealing connection device, its characterized in that, includes the connector, the one end threaded connection of connector and plastic pipeline, the connector is kept away from one side of plastic pipeline is equipped with flange, the connector pass through the fastener with flange connects, the connector with be equipped with sealed pad between the flange, flange is connected with the one end of steel pipeline.
2. The plastic steel pipeline sealing connection device according to claim 1, wherein the connection flange is sleeved on the outer side of one end of the steel pipeline, which is close to the plastic pipeline, and is welded with the steel pipeline.
3. The plastic steel pipeline sealing connection device according to claim 2, wherein a first external thread is arranged on the outer side of one end, close to the connector, of the plastic pipeline, and a first internal thread matched with the first external thread is arranged on the inner side of the connector.
4. The plastic steel pipeline sealing connection device according to claim 2, wherein the fastening piece comprises a fastening bolt, a plurality of uniformly distributed mounting holes are formed in the connecting flange, and one end of the fastening bolt penetrates through the mounting holes and is in threaded connection with the connecting head.
5. The plastic steel pipeline sealing connection device according to claim 2, wherein a liquid outlet communicated with the inside of the connector is arranged at the bottom of the connector, a liquid draining device is arranged below the connector, and the liquid outlet is communicated with the liquid draining device.
6. The plastic steel pipeline sealing connection device according to claim 5, wherein the inner side of the liquid outlet is provided with a second internal thread, the outer side of the liquid outlet is provided with a second external thread matched with the second internal thread, and the top of the liquid outlet is provided with a liquid inlet communicated with the inside of the liquid outlet.
7. The plastic steel pipeline sealing connection device according to claim 5, wherein a liquid outlet communicated with the inside of the liquid draining device is arranged at the bottom of the liquid draining device, and the liquid outlet is communicated with the liquid storage tank through a liquid guiding pipe.
8. The plastic steel pipeline sealing connection device according to claim 7, wherein a sealing block is arranged in the liquid draining device at a position corresponding to the liquid outlet, and a driving assembly for driving the sealing block to lift is arranged in the liquid draining device.
9. The plastic steel pipeline sealing connection device according to claim 8, wherein the driving assembly comprises a weight ball, the weight ball is located at the top of the sealing block, a supporting rod is rotatably connected to the inner side of the liquid draining device, and one end, away from the liquid draining device, of the supporting rod is connected with the weight ball.
10. The plastic steel pipeline sealing connection device according to claim 9, wherein one end of the supporting rod, which is close to the weight ball, is provided with a mounting ring, and the mounting ring is connected with the weight ball through a positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187908.9U CN220016526U (en) | 2023-05-16 | 2023-05-16 | Plastic steel pipeline sealing connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187908.9U CN220016526U (en) | 2023-05-16 | 2023-05-16 | Plastic steel pipeline sealing connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220016526U true CN220016526U (en) | 2023-11-14 |
Family
ID=88673702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321187908.9U Active CN220016526U (en) | 2023-05-16 | 2023-05-16 | Plastic steel pipeline sealing connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220016526U (en) |
-
2023
- 2023-05-16 CN CN202321187908.9U patent/CN220016526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112049992A (en) | Stainless steel lined composite pipe sealing head | |
| CN220016526U (en) | Plastic steel pipeline sealing connection device | |
| CN212585774U (en) | Ultrasonic flowmeter convenient to overhaul | |
| CN214579079U (en) | Anti-freezing check valve | |
| CN210069179U (en) | Building waterproof construction pipeline | |
| CN111998901A (en) | Ultrasonic flowmeter convenient to overhaul | |
| CN213117813U (en) | Spiral closes plastic conduit | |
| CN210221178U (en) | Gas meter with safety protection device | |
| CN215807175U (en) | Anti-corrosion heat-insulation structure of water delivery pipeline | |
| CN218787369U (en) | High-temperature-resistant hot water heat-preservation pipe | |
| CN220249236U (en) | High-pressure primary-secondary sealing flange connecting mechanism for steel-plastic composite pipeline | |
| CN218153057U (en) | Anticorrosive heat preservation steel pipe | |
| CN215928682U (en) | Seamless steel pipe for petroleum cracking | |
| CN213145390U (en) | Butt welding type metal sealing butterfly valve | |
| CN210963979U (en) | A quick detachable heater suitable for reading structure for producing lithium hydroxide monohydrate | |
| CN220751264U (en) | Small-flow plug-in flowmeter | |
| CN215635523U (en) | Composite pipeline with antiseep structure | |
| CN220957254U (en) | Leakage-proof water service water supply unit | |
| CN211845800U (en) | Accident oil tank of module prepackage type marine booster station | |
| CN220452806U (en) | Corrosion-proof check valve | |
| CN215172909U (en) | Plastic steel winding pipe | |
| CN213595877U (en) | Crane tube | |
| CN220130920U (en) | Environment-friendly oil storage device | |
| CN221075676U (en) | Oil inlet three-way pipeline of integrally cast flowmeter | |
| CN212900077U (en) | Tetrafluoro valve plate with high sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |