CN214108178U - Building water supply and drainage pipeline cleaning device - Google Patents
Building water supply and drainage pipeline cleaning device Download PDFInfo
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- CN214108178U CN214108178U CN202023180150.5U CN202023180150U CN214108178U CN 214108178 U CN214108178 U CN 214108178U CN 202023180150 U CN202023180150 U CN 202023180150U CN 214108178 U CN214108178 U CN 214108178U
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- main shaft
- pipeline
- water supply
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- 238000004140 cleaning Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a pipeline clearance technical field just discloses a building water supply and drainage pipeline cleaning device, including handheld frame, the inner fixedly connected with collar of handheld frame, the inside of collar is rotated and is connected with the main shaft, the bottom of collar right flank is provided with driving motor. This building water supply and drainage pipeline cleaning device, the rotatory main shaft that drives of output through driving motor rotates, make the main shaft drive the cleaning plate and rotate, brush on the cleaning plate clears up the inner wall of pipeline, the automatic clearance to drainage pipe has been realized, use through the cooperation of transmission shaft and regulation handle, the regulation to the mechanism state that opens and shuts has been realized, make the user adjust the state that opens and shuts of mechanism according to the user demand, make the scraper blade can take out the inside rubbish of pipeline, the cleaning effect to the pipeline has been strengthened, accelerate the cleaning speed to the pipeline, and the work efficiency is improved.
Description
Technical Field
The utility model relates to a pipeline clearance technical field specifically is a building water supply and drainage pipeline cleaning device.
Background
The water supply and drainage pipeline engineering is a pipe (canal) system engineering for conveying and distributing industrial water supply and domestic drinking water and collecting, conveying and discharging industrial wastewater, domestic sewage and rainwater, the water supply and drainage pipeline engineering is an integral part of the water supply and drainage system and plays an important role in the whole water supply and drainage system, the water supply and drainage pipeline engineering comprises a pipe (canal) system and various structure engineering (such as a pump station, a reservoir, a pipe bridge, a gate well, a sewage inspection well, a rainwater port and the like) on the pipe (canal) system, the engineering investment accounts for most of the total investment of the water supply and drainage system engineering, after the drainage pipeline is used for a long time, as the water quality contains a large amount of foreign matters, the foreign matters are easily deposited in the pipeline and attached to the inner wall of the pipeline, particularly at the position of a drainage outlet, the water supply and drainage are influenced, so a pipeline cleaning device is required to clean the drainage pipeline, but the pipeline cleaning device in the prior art has a simpler structure, most be a single hook, need the manual work to draw the foreign matter of clearing up the back to the inside pipeline when clearing up the pipeline and get, it is comparatively troublesome to use, has reduced work efficiency, and is relatively poor to the clearance effect of pipeline.
For example, chinese patent publication nos.: CN210562574U provides a cleaning device for building water supply and drainage pipelines, which is basically described as follows: the utility model discloses a rotate through the motor drive second round bar, and the second round bar drives first round bar through the rectangular plate and rotates, and first round bar drives the installation pole and rotates, and the installation pole drives two brushes through two montants and rotates, and two brushes rotate and clear up the filth of pipeline inner wall; the utility model discloses a structure is comparatively simple, only can clear up the pipeline of same size, can not clear up not unidimensional pipeline, and application range is less, and the practicality is relatively poor.
Therefore, the inventor provides a cleaning device for a building water supply and drainage pipeline, which takes full experience of design development and actual manufacturing of the related industry for years, researches and improves the existing structure and deficiency, and aims to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a building water supply and drainage pipeline cleaning device has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a building water supply and drainage pipeline cleaning device comprises a handheld frame, wherein an inner end fixedly connected with mounting ring of the handheld frame is connected with a main shaft in a rotating mode, the bottom of the right side face of the mounting ring is provided with a driving motor, the output end of the driving motor is fixedly connected with the right end of the main shaft, a fixed sleeve is sleeved on the left side of the outer surface of the main shaft, a sliding sleeve is sleeved on the right side of the outer surface of the main shaft, a cleaning plate is arranged on the outer side of the main shaft, a hairbrush is arranged on the outer side face of the cleaning plate, hinged plates are fixedly connected to the middle portion of the outer surface of the fixed sleeve, the middle portion of the outer surface of the sliding sleeve and the left and right sides of the inner side face of the cleaning plate, a connecting rod is arranged on the inner side face of the hinged plates, a connecting plate is sleeved on the middle portion of the outer surface of the connecting rod, a connecting seat is fixedly connected with the right end of the sliding sleeve, and an adjusting frame is fixedly connected with the middle portion of the outer surface of the connecting seat, the adjusting frame is internally provided with a positioning ring, the front side and the rear side of the right side surface of the positioning ring are fixedly connected with a fixed plate, the right side of the upper surface of the fixed plate is provided with a fastening bolt, the middle part of the inner wall of the main shaft is rotatably connected with a transmission shaft, the right side of the outer surface of the transmission shaft is fixedly connected with an adjusting handle, the left end of the main shaft is fixedly connected with an opening and closing mechanism, the opening and closing mechanism comprises a rotating disc, the middle part of the inner side surface of the rotating disc is fixedly connected with an installation rod, the inner end of the installation rod is fixedly connected with the left side of the outer surface of the transmission shaft, the left side surface of the rotating disc is fixedly connected with a first connecting column, the middle part of the outer surface of the first connecting column is sleeved with an arc connecting plate, the inner side of the left side surface of the arc connecting plate is inserted with a second connecting column, the left end of the main shaft is fixedly connected with a fixed disc, and the left side surface of the fixed disc is fixedly connected with a third connecting column, the left side of the outer surface of the second connecting column and the middle of the outer surface of the third connecting column are sleeved with an opening and closing flap, and the middle of the left side face of the opening and closing flap is fixedly connected with a scraper.
Preferably, a through groove is formed in the right side of the outer surface of the main shaft, and the inner diameter of the through groove is matched with the outer diameter of the adjusting handle.
Preferably, the middle part of the outer surface of the main shaft is provided with a square sliding groove, and the middle part of the inner wall of the sliding sleeve is fixedly connected with a square sliding block.
Preferably, threaded holes are formed in the front side and the rear side of the outer surface of the main shaft, and the inner diameter of each threaded hole is matched with the outer diameter of each fastening bolt.
Preferably, the outer surface of the adjusting handle is provided with a wrapping layer, the outer surface of the wrapping layer is provided with anti-skid grains, and the outer surface of the anti-skid grains is provided with anti-skid convex grains.
Preferably, the right side of the outer surface of the spindle is fixedly connected with a T-shaped limiting plate, and the middle part of the inner wall of the mounting ring is provided with a T-shaped limiting groove.
(III) advantageous effects
Compared with the prior art, the utility model provides a building water supply and drainage pipeline cleaning device possesses following beneficial effect:
1. this building water supply and drainage pipeline cleaning device, the rotatory main shaft that drives of output through driving motor rotates, make the main shaft drive the cleaning plate and rotate, brush on the cleaning plate clears up the inner wall of pipeline, the automatic clearance to drainage pipe has been realized, use through the cooperation of transmission shaft and regulation handle, the regulation to the mechanism state that opens and shuts has been realized, make the user adjust the state that opens and shuts of mechanism according to the user demand, make the scraper blade can take out the inside rubbish of pipeline, the cleaning effect to the pipeline has been strengthened, accelerate the cleaning speed to the pipeline, and the work efficiency is improved.
2. This building water supply and drainage pipeline cleaning device, the user drives the connecting seat through the alignment jig and removes along the main shaft, make the connecting seat drive slip cap remove along the main shaft, the slip cap drives the clearance board through even board and expands and the shrink, the regulation to the clearance board state of opening and shutting has been realized, make the user can adjust the state of opening and shutting of clearance board according to the difference of pipeline size, make cleaning device can clear up not unidimensional pipeline, cleaning device's application range has been increased, cleaning device's practicality has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic structural view of the opening and closing mechanism of the present invention.
In the figure: 1. a hand-held frame; 2. a mounting ring; 3. a main shaft; 4. a drive motor; 5. fixing a sleeve; 6. a sliding sleeve; 7. cleaning the plate; 8. a hinge plate; 9. connecting plates; 10. a connecting seat; 11. an adjusting bracket; 12. a positioning ring; 13. a fixing plate; 14. fastening a bolt; 15. a drive shaft; 16. adjusting the grip; 17. an opening and closing mechanism; 1701. rotating the disc; 1702. a first connecting column; 1703. an arc-shaped connecting plate; 1704. a second connecting column; 1705. fixing the disc; 1706. a third connecting column; 1707. opening and closing the valve; 1708. a scraper.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a building water supply and drainage pipeline cleaning device comprises a handheld frame 1, wherein the inner end of the handheld frame 1 is fixedly connected with a mounting ring 2, the inside of the mounting ring 2 is rotatably connected with a main shaft 3, the bottom of the right side surface of the mounting ring 2 is provided with a driving motor 4, the model of the driving motor 4 is Y80M1-2, the output end of the driving motor 4 is fixedly connected with the right end of the main shaft 3, the left side of the outer surface of the main shaft 3 is sleeved with a fixed sleeve 5, the right side of the outer surface of the main shaft 3 is sleeved with a sliding sleeve 6, the outer side of the main shaft 3 is provided with a cleaning plate 7, the outer side surface of the cleaning plate 7 is provided with a hairbrush, the middle part of the outer surface of the fixed sleeve 5, the middle part of the outer surface of the sliding sleeve 6 and the left and right sides of the inner side surface of the cleaning plate 7 are fixedly connected with hinged plates 8, the inner side surfaces of the hinged plates 8 are provided with connecting rods, the middle parts of the outer surfaces of the connecting rods are sleeved with connecting plates 9, and the right end of the sliding sleeve 6 is fixedly connected with a connecting seat 10, an adjusting frame 11 is fixedly connected to the middle of the outer surface of the connecting seat 10, a user drives the connecting seat 10 to move along the main shaft 3 through the adjusting frame 11, so that the connecting seat 10 drives the sliding sleeve 6 to move along the main shaft 3, the sliding sleeve 6 drives the cleaning plate 7 to expand and contract through the connecting plate 9, the opening and closing state of the cleaning plate 7 is adjusted, the user can adjust the opening and closing state of the cleaning plate 7 according to different sizes of pipelines, the cleaning device can clean pipelines with different sizes, the use range of the cleaning device is enlarged, the practicability of the cleaning device is improved, a positioning ring 12 is arranged inside the adjusting frame 11, fixed plates 13 are fixedly connected to the front side and the rear side of the right side of the positioning ring 12, fastening bolts 14 are arranged on the right side of the upper surface of the fixed plates 13, and a transmission shaft 15 is rotatably connected to the middle of the inner wall of the main shaft 3, the right side of the outer surface of the transmission shaft 15 is fixedly connected with an adjusting handle 16, the left end of the main shaft 3 is fixedly connected with an opening and closing mechanism 17, the opening and closing mechanism 17 comprises a rotating disc 1701, the middle part of the inner side surface of the rotating disc 1701 is fixedly connected with an installation rod, the inner end of the installation rod is fixedly connected with the left side of the outer surface of the transmission shaft 15, the left side surface of the rotating disc 1701 is fixedly connected with a first connecting column 1702, the middle part of the outer surface of the first connecting column 1702 is sleeved with an arc connecting plate 1703, the inner side of the left side surface of the arc connecting plate 1703 is inserted with a second connecting column 1704, the left end of the main shaft 3 is fixedly connected with a fixed disc 1705, the left side surface of the fixed disc 1705 is fixedly connected with a third connecting column 1706, the left side of the outer surface of the second connecting column 1704 and the middle part of the outer surface of the third connecting column 1706 are sleeved with an opening and closing flap 1707, the middle part of the left side surface of the opening and closing flap 1707 is fixedly connected with a scraper 1708, the main shaft 3 is driven to rotate by the output end of the driving motor 4, make main shaft 3 drive clearance board 7 rotate, the brush on clearance board 7 clears up the inner wall of pipeline, the automatic clearance to drainage pipe has been realized, use through transmission shaft 15 and the cooperation of adjusting handle 16, the regulation of opening and shutting mechanism 17 state of opening and shutting has been realized, make the user adjust the state of opening and shutting mechanism 17 according to the user demand, make scraper blade 1708 can take out the inside rubbish of pipeline, the clearance effect to the pipeline has been strengthened, the speed of clearing up the pipeline has been accelerated, and the work efficiency is improved.
The utility model discloses a realize the regulation to the state that opens and shuts 17, consequently seted up logical groove on the right side of 3 surfaces of main shaft, the internal diameter that leads to the groove and the external diameter looks adaptation of adjusting handle 16 when opening and shutting the state of opening and shutting 17 and adjusting, adjust handle 16 and remove in the inside that leads to the groove.
The utility model discloses a realize the regulation to 6 transverse position of sliding sleeve, consequently offered square spout at the middle part of 3 surfaces of main shaft, the square slider of middle part fixedly connected with of 6 inner walls of sliding sleeve when adjusting the transverse position of sliding sleeve 6, square slider slides in the inside of square spout.
The utility model discloses a realize fixed between main shaft 3 and fixed plate 13, consequently both sides all offered threaded holes around the surface of main shaft 3, the internal diameter of screw hole and fastening bolt 14's external diameter looks adaptation, fastening bolt 14 is fixed between main shaft 3 and fixed plate 13 through the screw hole.
The utility model discloses adjust the state that opens and shuts of mechanism 17 for the convenience of the user, consequently be provided with the parcel layer at the surface of adjusting handle 16, the surface on parcel layer is provided with anti-skidding line, and anti-skidding line's surface is provided with anti-skidding protruding grain, and the parcel layer has increased the frictional force of user's palm with between the regulation handle 16, has reduced the probability that the phenomenon of taking off the hand appears, has made things convenient for the user to adjust the state that opens and shuts of mechanism 17.
The utility model discloses a stability when guaranteeing main shaft 3 and rotating, consequently at the right side fixedly connected with T limiting plate of 3 surfaces of main shaft, T shape spacing groove has been seted up at the middle part of 2 inner walls of collar, and when main shaft 3 rotated, T shape limiting plate rotated in the inside of T shape spacing groove, and T shape limiting plate was spacing to main shaft 3, had guaranteed the stability when main shaft 3 rotated.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the cleaning device is used, a user longitudinally inserts the cleaning device into the pipeline, after the insertion is finished, the user adjusts the opening and closing state of the cleaning plate 7 according to different sizes of the pipeline, the user clockwise twists the fastening bolt 14 to disconnect the connection between the main shaft 3 and the fixing plate 13, after the disconnection, the user pushes the connecting seat 10 to move downwards along the main shaft 3 through the adjusting frame 11, the connecting seat 10 drives the sliding sleeve 6 to move downwards along the main shaft 3, the sliding sleeve 6 drives the cleaning plate 7 to expand through the connecting plate 9, after the expansion is finished, the driving motor 4 is started, the output end of the driving motor 4 rotates to drive the main shaft 3 to rotate, the main shaft 3 drives the cleaning plate 7 to rotate, the inner wall of the pipeline is cleaned through the hairbrush on the cleaning plate 7, after the cleaning is finished, the driving motor 4 is stopped, the user rotates the transmission shaft 15 through the adjusting handle 16, the transmission shaft 15 drives the rotating disc 1701 to rotate, the rotating disc 1701 drives the opening and closing valve 1707 to expand through the arc connecting plate 1703, the opening and closing valve 1707 drives the scraper 1708 to expand, after the expanding, a user extracts the cleaning device from the inside of the pipeline through the handheld frame 1, and in the extracting process, the scraper 1708 takes out the garbage in the pipeline, so that the pipeline is cleaned.
To sum up, this building water supply and drainage pipeline cleaning device, the rotatory main shaft 3 that drives of output through driving motor 4 rotates, make main shaft 3 drive clearance board 7 and rotate, the brush on clearance board 7 clears up the inner wall of pipeline, the automatic clearance to drainage pipeline has been realized, cooperation through transmission shaft 15 and regulation handle 16 is used, the regulation of opening and shutting the state of mechanism 17 has been realized opening and shutting, make the user can adjust the state of opening and shutting mechanism 17 according to the user demand, make scraper blade 1708 can take out the inside rubbish of pipeline, the cleaning performance to the pipeline has been strengthened, accelerate the cleaning speed to the pipeline, and the work efficiency is improved.
This building water supply and drainage pipeline cleaning device, the user drives connecting seat 10 through alignment jig 11 and removes along main shaft 3, make connecting seat 10 drive sliding sleeve 6 remove along main shaft 3, sliding sleeve 6 drives clearance board 7 through even board 9 and expands and the shrink, the regulation to clearance board 7 state of opening and shutting has been realized, make the user can adjust clearance board 7's the state of opening and shutting according to the difference of pipeline size, make cleaning device can clear up not unidimensional pipeline, cleaning device's application range has been increased, cleaning device's practicality has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a building water supply and drainage pipeline cleaning device, includes handheld frame (1), its characterized in that: the inner end of the handheld frame (1) is fixedly connected with a mounting ring (2), the inner part of the mounting ring (2) is rotatably connected with a main shaft (3), the bottom of the right side surface of the mounting ring (2) is provided with a driving motor (4), the output end of the driving motor (4) is fixedly connected with the right end of the main shaft (3), the left side of the outer surface of the main shaft (3) is sleeved with a fixed sleeve (5), the right side of the outer surface of the main shaft (3) is sleeved with a sliding sleeve (6), the outer side of the main shaft (3) is provided with a cleaning plate (7), the outer side surface of the cleaning plate (7) is provided with a brush, the middle part of the outer surface of the fixed sleeve (5), the middle part of the outer surface of the sliding sleeve (6) and the left and right sides of the inner side surface of the cleaning plate (7) are fixedly connected with hinged plates (8), the inner side surface of the hinged plates (8) is provided with a connecting rod, and the middle part of the outer surface of the connecting rod is sleeved with a connecting plate (9), the right end of the sliding sleeve (6) is fixedly connected with a connecting seat (10), the middle part of the outer surface of the connecting seat (10) is fixedly connected with an adjusting frame (11), a positioning ring (12) is arranged inside the adjusting frame (11), the front side and the rear side of the right side surface of the positioning ring (12) are fixedly connected with fixing plates (13), the right side of the upper surface of the fixing plate (13) is provided with a fastening bolt (14), the middle part of the inner wall of the main shaft (3) is rotatably connected with a transmission shaft (15), the right side of the outer surface of the transmission shaft (15) is fixedly connected with an adjusting handle (16), the left end of the main shaft (3) is fixedly connected with an opening and closing mechanism (17), the opening and closing mechanism (17) comprises a rotating disc (1701), the middle part of the inner side of the rotating disc (1701) is fixedly connected with an installation rod, and the inner end of the installation rod is fixedly connected with the left side of the outer surface of the transmission shaft (15), the left side face of the rotating disc (1701) is fixedly connected with a first connecting column (1702), the middle of the outer surface of the first connecting column (1702) is sleeved with an arc connecting plate (1703), the inner side of the left side face of the arc connecting plate (1703) is inserted with a second connecting column (1704), the left end of the main shaft (3) is fixedly connected with a fixed disc (1705), the left side face of the fixed disc (1705) is fixedly connected with a third connecting column (1706), the left side of the outer surface of the second connecting column (1704) and the middle of the outer surface of the third connecting column (1706) are sleeved with an opening and closing valve (1707), and the middle of the left side face of the opening and closing valve (1707) is fixedly connected with a scraper (1708).
2. The building water supply and drainage pipeline cleaning device as claimed in claim 1, wherein: a through groove is formed in the right side of the outer surface of the main shaft (3), and the inner diameter of the through groove is matched with the outer diameter of the adjusting handle (16).
3. The building water supply and drainage pipeline cleaning device as claimed in claim 1, wherein: the middle part of the outer surface of the main shaft (3) is provided with a square sliding groove, and the middle part of the inner wall of the sliding sleeve (6) is fixedly connected with a square sliding block.
4. The building water supply and drainage pipeline cleaning device as claimed in claim 1, wherein: threaded holes are formed in the front side and the rear side of the outer surface of the main shaft (3), and the inner diameter of each threaded hole is matched with the outer diameter of the fastening bolt (14).
5. The building water supply and drainage pipeline cleaning device as claimed in claim 1, wherein: the outer surface of the adjusting handle (16) is provided with a wrapping layer, the outer surface of the wrapping layer is provided with anti-skid grains, and the outer surface of the anti-skid grains is provided with anti-skid convex grains.
6. The building water supply and drainage pipeline cleaning device as claimed in claim 1, wherein: the right side of the outer surface of the main shaft (3) is fixedly connected with a T-shaped limiting plate, and the middle part of the inner wall of the mounting ring (2) is provided with a T-shaped limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180150.5U CN214108178U (en) | 2020-12-25 | 2020-12-25 | Building water supply and drainage pipeline cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180150.5U CN214108178U (en) | 2020-12-25 | 2020-12-25 | Building water supply and drainage pipeline cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214108178U true CN214108178U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023180150.5U Expired - Fee Related CN214108178U (en) | 2020-12-25 | 2020-12-25 | Building water supply and drainage pipeline cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214108178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370254A (en) * | 2022-01-18 | 2022-04-19 | 翁峰 | Oil field well drilling pull throughs |
| CN114905785A (en) * | 2022-04-19 | 2022-08-16 | 鹿立成 | Cold extrusion molding oil press |
-
2020
- 2020-12-25 CN CN202023180150.5U patent/CN214108178U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370254A (en) * | 2022-01-18 | 2022-04-19 | 翁峰 | Oil field well drilling pull throughs |
| CN114370254B (en) * | 2022-01-18 | 2023-12-19 | 常州重山智能装备有限公司 | Oilfield drilling dredging device |
| CN114905785A (en) * | 2022-04-19 | 2022-08-16 | 鹿立成 | Cold extrusion molding oil press |
| CN114905785B (en) * | 2022-04-19 | 2024-06-28 | 东莞市健隆油压机械有限公司 | Cold extrusion molding oil press |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |