CN116290279A - Anti-blocking drain pipe - Google Patents
Anti-blocking drain pipe Download PDFInfo
- Publication number
- CN116290279A CN116290279A CN202310525635.2A CN202310525635A CN116290279A CN 116290279 A CN116290279 A CN 116290279A CN 202310525635 A CN202310525635 A CN 202310525635A CN 116290279 A CN116290279 A CN 116290279A
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- China
- Prior art keywords
- pipe
- water inlet
- water
- blocking
- clogging
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 230000005284 excitation Effects 0.000 claims description 14
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 28
- 230000002265 prevention Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an anti-blocking drain pipe, which comprises a bent pipe and straight pipes connected to two ends of the bent pipe, wherein one straight pipe is used as a water inlet pipe, the other straight pipe is used as a water drain pipe, the arrangement height of the water inlet pipe is larger than that of the water drain pipe, and a water drain drainage pipe is connected between the water drain pipe and the water inlet pipe; the device comprises a water inlet pipe, a water outlet pipe, a water inlet treatment mechanism, a water blocking cleaning and preventing mechanism and a water blocking prevention mechanism. According to the invention, the straight pipe is prevented from being blocked by the water inlet treatment mechanism, meanwhile, the blocking probability of the bent pipe can be reduced, after the bent pipe is blocked, the drain pipe can still drain water by the water draining drainage pipe, and the water draining drainage pipe can be prevented from being blocked by the blocking clearing and preventing mechanism, so that the whole drain pipe can be prevented from being blocked.
Description
Technical Field
The invention relates to the technical field of drain pipes, in particular to an anti-blocking drain pipe.
Background
The drain pipe mainly bears drainage tasks such as rainwater, sewage and farmland drainage and irrigation, meanwhile, the drain pipe is also an important component part in a municipal drainage system, a good drainage system can ensure convenience of life of residents and smoothness of traffic, meanwhile, the drain pipe is also an important part for drainage of sewage in water pollution prevention equipment, a common drain pipe is generally composed of a straight drainage section and a bending drainage section, and the bending drainage section is mainly used for changing the arrangement direction of the straight drainage section.
The drain pipe can carry debris in drainage in-process, and wherein the great debris of volume is blocked the owner easily when passing through sharp drainage section and buckling drainage section, and the less debris of volume is not blocked the owner easily through sharp drainage section, but is because the existence of chamfer when passing through buckling drainage section, and the debris very easily takes place to pile up and then cause the drain pipe to block up in this region, and the drain pipe once blocked up will bring a great deal of inconvenience to people's life and work, and clear stifled process still consuming time is hard simultaneously.
Disclosure of Invention
The invention provides an anti-blocking drain pipe for solving the technical problems.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the anti-blocking drain pipe comprises a bent pipe and straight pipes connected to two ends of the bent pipe, wherein one straight pipe is used as a water inlet pipe, the other straight pipe is used as a drain pipe, the arrangement height of the water inlet pipe is larger than that of the drain pipe, a drain drainage pipe is connected between the drain pipe and the water inlet pipe, and after the bent pipe is blocked, the water in the water inlet pipe still can enter the drain pipe through the drain drainage pipe;
still including clear stifled mechanism and the processing mechanism of intaking of preventing, the processing mechanism of intaking assembles the end of intaking at the inlet tube, and clear stifled anti-blocking mechanism is including clear stifled piece and the anti-blocking piece of mutually supporting, prevents that the anti-blocking piece from locating in the inlet tube and acting on the inlet end of drainage tube, avoids drainage tube to take place to block up, and clear stifled piece is located in the return bend and is used for clear stifled for the return bend.
Specifically, be equipped with the connector that is used for connecting the drainage tube on the inlet tube, prevent stifled filter equipment and install the end of intaking at the connector.
When the water inlet pipe is paved along the horizontal direction, the connector is arranged on the top side of the water inlet pipe;
when the inlet tube is laid along vertical direction, the connector is located the week side of inlet tube, and the direction of intaking of connector orientation rivers direction.
Preferably, the blocking removing member comprises a rotating shaft and an elastic blocking removing rod connected to the rotating shaft, the elastic blocking removing rod is arranged in the bent pipe, and the rotating shaft is arranged on one side of the bent pipe and is close to the water inlet pipe.
Preferably, the anti-blocking part comprises an anti-blocking filter part and a cleaning part, and the anti-blocking filter part is arranged at the water inlet end of the drainage tube;
the cleaning piece comprises a cleaning part and an assembling part which are connected with each other, the cleaning part is arranged in the water inlet pipe and is tightly attached to the anti-blocking filtering piece, and the assembling part is rotatably arranged in the bent pipe and is meshed with the rotating shaft through a gear set.
Preferably, the water inlet treatment mechanism comprises a mounting seat and a crushing device, wherein the mounting seat is provided with a water supply and circulation channel, the channel is communicated with the water inlet pipe, and the crushing device is arranged in the channel.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the drainage pipe disclosed by the invention, the water inlet treatment mechanism additionally arranged at the water inlet end prevents the linear drainage section from being blocked, meanwhile, the blocking probability of the bent drainage section is reduced, when the bent drainage section is blocked, the drainage pipe can still drain water through the drainage pipe, and the blocking prevention mechanism can prevent the drainage pipe from being blocked while the bent drainage section is blocked, so that the whole drainage pipe can achieve the blocking prevention purpose;
2. in the operation process of the blockage removing piece, the elastic blockage removing rod and the bent pipe are continuously collided to generate an excitation force, so that impurities attached to the inner wall of the bent pipe are loosened and fall off.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an assembled schematic view of the block-removal and anti-blocking mechanism of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view of the assembly between the excitation groove and the excitation teeth of the present invention;
FIG. 5 is a schematic view of the structure of the anti-blocking member of the present invention;
fig. 6 is a schematic view of the water inlet pipe of the present invention laid in a horizontal direction.
The attached drawings are identified: 1. the device comprises an elbow pipe, 11, an excitation groove, 2, a water inlet pipe, 21, a connector, 3, a water drain pipe, 4, a water drain pipe, 5, a blockage clearing and blocking prevention mechanism, 51, a blockage clearing piece, 511, a rotating shaft, 512, an elastic blockage clearing rod, 513, excitation teeth, 52, a blockage prevention piece, 521, a blockage prevention filter piece, 522, a clearing part, 523, an assembling part, 524, an assembling rod, 53, a bearing, 54, a sealing bearing, 6, a water inlet treatment mechanism, 7, an eccentric wheel, 8, a bevel gear, 9 and driven teeth.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
The anti-blocking drain pipe comprises a bent pipe 1 and straight pipes connected to two ends of the bent pipe 1, wherein one straight pipe is used as a water inlet pipe 2, the other straight pipe is used as a water drain pipe 3, the arrangement height of the water inlet pipe 2 is larger than that of the water drain pipe 3, and a water drain drainage pipe 4 is connected between the water drain pipe 3 and the water inlet pipe 2;
still include clear stifled mechanism 5 and the processing mechanism 6 of intaking of blocking prevention, the processing mechanism 6 of intaking assembles the end of intaking of inlet tube 2, and clear stifled mechanism 5 of blocking prevention is including clear stifled piece 51 and the anti-blocking piece 52 of mutually supporting, and anti-blocking piece 52 is located in inlet tube 2 and is acted on the end of intaking of drainage tube 4, and clear stifled piece 51 is located in return bend 1.
When the drain pipe disclosed by the invention is used for draining water, water body is treated by the water inlet treatment mechanism 6 and then sequentially flows through the water inlet pipe 2 and the bent pipe 1 to be drained by the drain pipe 3, wherein the water inlet treatment mechanism 6 comprises a mounting seat and a crushing device, the mounting seat is provided with a water supply circulation channel, the channel is communicated with the water inlet pipe 2, and the crushing device is arranged in the channel. When the water body enters the water inlet pipe 2, large-volume sundries carried in the water body are crushed into small-volume sundries by the crushing device and then enter the water inlet pipe 2, so that the situation that the water inlet pipe 2 or/and the water drain pipe 3 is blocked by the sundries is avoided, and meanwhile, the crushed sundries are easier to pass through the bent pipe 1. The large-volume sundries refer to sundries which are easy to block in the water inlet pipe 2 or/and the water drain pipe 3, including but not limited to stones, branches, garbage bags and the like, and compared with the water inlet pipe 2 provided with a filtering cover and a filtering net, sundries in water body cannot be accumulated at the water inlet end of the water inlet pipe 2, the blocking condition cannot occur, the water inlet efficiency of the water inlet pipe 2 can be ensured, and therefore the water drainage efficiency is ensured.
In the whole drainage process, after the elbow pipe 1 is blocked by sundries, water in the water inlet pipe 2 is continuously injected into the drainage pipe 3 through the drainage pipe 4, wherein the water is treated through the anti-blocking piece 52 before entering the drainage pipe 4, and further the drainage pipe 4 is prevented from being blocked, so that the drainage pipe still has drainage capacity after the elbow pipe 1 is blocked, the blocking object in the elbow pipe 1 actively cleans the drainage pipe 3 through the blocking clearing piece 51 to drain, so that the drainage pipe is unblocked again, and the whole drainage pipe achieves the anti-blocking purpose.
Specifically, as shown in fig. 2-4, the blocking clearing member 51 includes a rotation shaft 511 and an elastic blocking clearing rod 512, the rotation shaft 511 is mounted at one side of the elbow pipe 1 and is close to a position of the water inlet pipe 2, the elastic blocking clearing rod 512 is connected with the rotation shaft 511 through an eccentric wheel 7, the elastic blocking clearing rod 512 is always contacted with an inner chamfer wall and an outer chamfer wall of the elbow pipe 1 by utilizing elastic deformation capacity of the elastic blocking clearing rod 512, a plurality of excitation grooves 11 are formed at a position where the elbow pipe 1 contacts with the elastic blocking clearing rod 512, the elastic blocking clearing rod 512 is provided with excitation teeth 513 matched with the excitation grooves 11, during use, the elastic blocking clearing rod 512 is driven to swing in the elbow pipe 1 through the rotation shaft 511, so that blocking objects in the elbow pipe 1 are loose, under the pressure of a water body and the swinging action of the elastic blocking clearing rod 512, the blocking objects in the elbow pipe 1 are flushed into the water outlet pipe 3, and under the action of the eccentric wheel 7, the excitation teeth on the elastic blocking clearing rod 512 can continuously generate excitation force with the excitation grooves 11, so that impurities attached to the inner wall of the elbow pipe 1 are loosened and shed, and impurities adhered to the inner wall of the elbow pipe 513 can be diffused, and the water inlet pipe 2 and the water outlet pipe 3 can also be loosened. Preferably, the elbow pipe 1 is provided with a mounting hole, and the rotating shaft 511 is assembled in the mounting hole through the sealing bearing 54.
In some embodiments, the rotating shaft 511 may be, but is not limited to being, driven by a motor.
The anti-blocking member 52 comprises an anti-blocking filter 521 and a cleaning member, the anti-blocking filter 521 is arranged at the water inlet end of the drainage tube 4, the anti-blocking filter 521 is a filter screen, impurities which can cause the drainage tube 4 to be blocked are treated by the filter screen, and then drained by the drainage tube 4, further, the situation that the drainage tube 4 is blocked is avoided, the cleaning member comprises a cleaning part 522 and an assembling part 523 which are mutually connected, the cleaning part 522 is arranged in the water inlet pipe 2, the anti-blocking filter 521 is tightly adhered, the assembling part 523 is rotatably assembled in the elbow pipe 1 through a bearing 53 and meshed with the rotating shaft 511 through a gear set, the gear set comprises a bevel gear 8 arranged on the rotating shaft 511 and driven teeth 9 arranged at the bottom of the assembling part 523, the assembling part 523 is also in a circular ring shape, the bevel gear 8 and the driven teeth 9 mutually cooperate when the rotating shaft 511 rotates, so that the assembling part 523 drives the cleaning part 522 to rotate, and in this process, the cleaning part 522 cleans impurities attached on the filter screen.
In some embodiments, as shown in fig. 5, the cleaning part 522 is in a circular shape, and a plurality of filtering holes are formed in the cleaning part 522, so that the water body entering the drainage tube 4 can be treated twice, sundries on the filtering holes can fall off in the rotating process of the cleaning part 522, an assembling rod 524 is arranged between the cleaning part 522 and the assembling part 523, and the assembling rod 524 is used for limiting the position of the cleaning part 522, so that the periphery side of the cleaning part 522 can be covered on the anti-blocking filter 521.
Example 2
On the basis of embodiment 1, when the elbow pipe 1 is unblocked, the drainage tube 4 does not participate in drainage tasks, the water inlet pipe 2 is provided with a connector 21 for connecting the drainage tube 4, the anti-blocking filter 521 is arranged at the water inlet end of the connector 21, and specifically, the water inlet pipe 2 has two types, and the two types correspond to two different laying conditions of the water inlet pipe 2 respectively.
Model one: when the water inlet pipe 2 is laid along the horizontal direction as shown in fig. 6, as shown in fig. 3, the connector 21 is arranged on the top side of the water inlet pipe 2, when the elbow pipe 1 is unblocked, water on the water inlet pipe 2 can be prevented from entering the water inlet pipe 2, and at the moment, the anti-blocking filter 521 is positioned in the vertical direction, so that sundries are not easy to adhere.
Model II: when the water inlet pipe 2 is laid along the vertical direction as shown in fig. 1, as shown in fig. 3, the connector 21 is arranged on the periphery of the water inlet pipe 2, and the water inlet direction of the connector 21 faces the water flow direction, so that when the elbow pipe 1 is unblocked, the water on the water inlet pipe 2 can be prevented from entering the water inlet pipe 2, and impurities attached to the anti-blocking filter 521 can be washed away when the water in the water inlet pipe 2 flows.
Example 3
The disclosed anti-blocking drain pipe of the embodiment can also be used as a pipeline for draining sewage in water pollution prevention equipment, the problem that the pipeline for draining sewage is easy to block in the prior art can be effectively solved, sewage treatment efficiency is guaranteed, and the rotating shaft 511 is driven by a motor, and the motor is controlled to start and stop by a controller, wherein the drain end of the drain pipe 3 is provided with a water pressure detector, the water pressure detector detects drain pressure change in real time and feeds back to the controller in the process of draining sewage, when the water pressure suddenly becomes low, the phenomenon that the elbow pipe 1 is blocked is judged, and the controller starts the motor to clear the elbow pipe 1 through the elastic blocking-clearing rod 512.
There are, of course, many other embodiments of the invention that can be made by those skilled in the art in light of the above teachings without departing from the spirit or essential scope thereof, but that such modifications and variations are to be considered within the scope of the appended claims.
Claims (6)
1. The anti-blocking drain pipe comprises a bent pipe (1) and straight pipes connected to two ends of the bent pipe (1), wherein one straight pipe is used as a water inlet pipe (2), and the other straight pipe is used as a drain pipe (3), and the anti-blocking drain pipe is characterized in that the arrangement height of the water inlet pipe (2) is larger than that of the drain pipe (3), and a drain drainage pipe (4) is connected between the drain pipe (3) and the water inlet pipe (2);
still include clear stifled anti-blocking mechanism (5) and advance water treatment mechanism (6), advance water treatment mechanism (6) and assemble the end of intaking in inlet tube (2), clear stifled anti-blocking mechanism (5) are including clear stifled piece (51) and anti-blocking piece (52) of mutually supporting, and anti-blocking piece (52) are located in inlet tube (2) and are acted on the end of intaking of drainage tube (4), and clear stifled piece (51) are located in return bend (1).
2. The anti-clogging drain pipe according to claim 1, characterized in that the clogging removing member (51) comprises a rotating shaft (511) and an elastic clogging removing rod (512), the rotating shaft (511) is mounted on one side of the elbow pipe (1) and is close to the position of the water inlet pipe (2), the elastic clogging removing rod (512) is connected with the rotating shaft (511) through an eccentric wheel (7), the elastic clogging removing rod (512) is always contacted with an inner chamfer wall and an outer chamfer wall of the elbow pipe (1) by utilizing the elastic deformation capacity of the elastic clogging removing rod (512), a plurality of excitation grooves (11) are formed in the contact position of the elbow pipe (1) and the elastic clogging removing rod (512), and the elastic clogging removing rod (512) is provided with excitation teeth (513) mutually matched with the plurality of excitation grooves (11).
3. The anti-clogging drain pipe according to claim 2, characterized in that the anti-clogging member (52) comprises an anti-clogging filter member (521) and a cleaning member, the anti-clogging filter member (521) being provided at the water inlet end of the drain pipe (4);
the cleaning piece comprises a cleaning part (522) and an assembling part (523) which are connected with each other, the cleaning part (522) is arranged in the water inlet pipe (2) and is tightly attached to the anti-blocking filter piece (521), and the assembling part (523) is rotatably arranged in the bent pipe (1) and is meshed with the rotating shaft (511) through a gear set.
4. A non-clogging drain pipe according to claim 3, characterized in that the water inlet pipe (2) is provided with a connection head (21) for connecting the drain pipe (4), and that the non-clogging filter element (521) is mounted at the water inlet end of the connection head (21).
5. The anti-clogging drain pipe according to claim 4, characterized in that the joint (21) is provided at the top side of the inlet pipe (2) when the inlet pipe (2) is laid in the horizontal direction;
when the water inlet pipe (2) is paved along the vertical direction, the connector (21) is arranged on the periphery side of the water inlet pipe (2), and the water inlet direction of the connector (21) faces the water flow direction.
6. An anti-clogging drain pipe according to claim 1, characterized in that the inlet water treatment means (6) comprises a mounting seat with a channel for the flow of water, the channel being connected to the inlet pipe, and a crushing device arranged in the channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310525635.2A CN116290279A (en) | 2023-05-11 | 2023-05-11 | Anti-blocking drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310525635.2A CN116290279A (en) | 2023-05-11 | 2023-05-11 | Anti-blocking drain pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116290279A true CN116290279A (en) | 2023-06-23 |
Family
ID=86822550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310525635.2A Pending CN116290279A (en) | 2023-05-11 | 2023-05-11 | Anti-blocking drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116290279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116557790A (en) * | 2023-07-03 | 2023-08-08 | 四川多联实业有限公司 | Plastic pipeline capable of being detected and detection method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002058991A (en) * | 2000-08-16 | 2002-02-26 | Nec Kagoshima Ltd | Device for preventing sticking of foreign matter to inside of pipe |
| CN207812619U (en) * | 2018-01-12 | 2018-09-04 | 张利英 | Drainpipe secondary protection structure |
| CN112483753A (en) * | 2020-11-26 | 2021-03-12 | 江西爱森德实业有限公司 | Prevent bend connecting pipe of jam |
| CN215568937U (en) * | 2021-07-13 | 2022-01-18 | 甘肃农业大学 | Anti-blocking water supply and drainage pipeline device for agricultural greenhouse |
-
2023
- 2023-05-11 CN CN202310525635.2A patent/CN116290279A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002058991A (en) * | 2000-08-16 | 2002-02-26 | Nec Kagoshima Ltd | Device for preventing sticking of foreign matter to inside of pipe |
| CN207812619U (en) * | 2018-01-12 | 2018-09-04 | 张利英 | Drainpipe secondary protection structure |
| CN112483753A (en) * | 2020-11-26 | 2021-03-12 | 江西爱森德实业有限公司 | Prevent bend connecting pipe of jam |
| CN215568937U (en) * | 2021-07-13 | 2022-01-18 | 甘肃农业大学 | Anti-blocking water supply and drainage pipeline device for agricultural greenhouse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116557790A (en) * | 2023-07-03 | 2023-08-08 | 四川多联实业有限公司 | Plastic pipeline capable of being detected and detection method thereof |
| CN116557790B (en) * | 2023-07-03 | 2023-09-15 | 四川多联实业有限公司 | Plastic pipeline capable of being detected and detection method thereof |
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