CN211330596U - Inside cleaning device of city water supply pipe - Google Patents
Inside cleaning device of city water supply pipe Download PDFInfo
- Publication number
- CN211330596U CN211330596U CN201922216004.4U CN201922216004U CN211330596U CN 211330596 U CN211330596 U CN 211330596U CN 201922216004 U CN201922216004 U CN 201922216004U CN 211330596 U CN211330596 U CN 211330596U
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- water supply
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Abstract
The utility model relates to the technical field of municipal service, in particular to an internal cleaning device of an urban water supply pipeline, which is suitable for cleaning water supply pipelines with variable diameters, is convenient to operate and improves the practicability; the device comprises a housing, four return pulleys of group, four top wheels of group, including a motor, an end cap, a controller, and a cover plate, the reducing gear box, the bearing frame, the pivot, the drive belt, two sets of scraping and grinding devices and damping device, the inside of casing is provided with the cavity, four bottom wheels of group symmetry are installed in the bottom of casing, four top wheel symmetries of group install the top at the casing, motor and reducing gear box fixed mounting are in the cavity bottom of casing, the output of motor is connected with the input of reducing gear box, bearing frame fixed mounting is at the indoor left end of casing cavity, the inside of bearing frame is provided with the bearing, the right-hand member of pivot passes the left end of casing and fixed mounting circles in the bearing of bearing frame, the right-.
Description
Technical Field
The utility model relates to a technical field of municipal administration service especially relates to an inside cleaning device of city water supply pipe.
Background
The urban water supply pipeline is as important as the blood vessel in the human body, the internal cleaning of the water supply pipeline is the necessary cleaning work, because the internal diameter of some water supply pipelines changes along with the length, the existing cleaning device is difficult to be applied to the water supply pipeline, the cleaning needs manual cleaning, the operation is complex, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a be applicable to the water supply pipe that clean diameter changes, convenient operation improves the inside cleaning device of city water supply pipe of practicality.
The utility model discloses an inside cleaning device of urban water supply pipeline, which comprises a shell, four groups of bottom wheels, four groups of top wheels, a motor, a reduction box, a bearing seat, a rotating shaft, a driving belt, two groups of scraping devices and a damping device, wherein a cavity is arranged inside the shell, the four groups of bottom wheels are symmetrically arranged at the bottom end of the shell, the four groups of top wheels are symmetrically arranged at the top end of the shell, the motor and the reduction box are fixedly arranged at the bottom end of the cavity of the shell, the output end of the motor is connected with the input end of the reduction box, the bearing seat is fixedly arranged at the left end inside the cavity of the shell, a bearing is arranged inside the bearing seat, the right end of the rotating shaft passes through the left end of the shell and is fixedly arranged on a bearing inner ring of the bearing seat, the right end of the rotating shaft is provided with a driven belt pulley, wherein each group of scraping and grinding devices also comprises a sleeve, a base, a first spring, a limiting plate, a movable rod and a connecting rod, the bottom end of the sleeve is fixedly arranged at the top end of the scraping and grinding device, a cavity is also arranged inside the sleeve, the top end of the sleeve is provided with an opening, the opening at the top end of the sleeve is communicated with the cavity of the sleeve, the base is fixedly arranged at the bottom end of the cavity of the sleeve, the bottom end of the first spring is fixedly arranged on the base, the limiting plate is fixedly arranged at the top end of the sleeve through a countersunk head bolt, the top, the through hole at the top end of the limit plate is communicated with the cavity of the sleeve, the bottom end of the movable rod passes through the through hole at the top end of the limit plate and extends into the cavity of the sleeve, and the bottom of the movable rod is fixedly connected with the top end of the first spring, the bottom end of the connecting rod is connected with the top end of the movable rod, the top end of the connecting rod is provided with a scraping and grinding plate, and the damping device is fixedly arranged at the left end of the rotating shaft.
The utility model discloses an inside cleaning device of city water supply pipe, still include first connecting pipe, booster water pump, two sets of high pressure nozzle of second connecting pipe and rotary joint, booster water pump fixed mounting is in the bottom of casing cavity, booster water pump's input and external water source are connected, booster water pump's output is connected with the input of second connecting pipe, the inside cavity of left part of pivot, top and the bottom in the pivot are fixed respectively to two sets of high pressure nozzle, the input of two sets of high pressure nozzle and the cavity intercommunication of pivot, the output of first connecting pipe and the right-hand member that passes the pivot and the cavity intercommunication of pivot, the input of first connecting pipe is connected with rotary joint's output, rotary joint's input and the output of second connecting pipe are connected.
The utility model discloses an inside cleaning device of city water supply pipe, the top of movable rod is provided with the screw hole, and the bottom of connecting rod is provided with the screw thread, and the bottom spiral shell dress of connecting rod inserts to the threaded hole on movable rod top.
The utility model discloses an inside cleaning device of city water supply pipe still including preventing moving back the nut, prevents moving back nut spiral shell dress cover and establish on the connecting rod, prevents moving back the bottom of nut and paste tightly with the top of movable rod.
The utility model discloses an inside cleaning device of city water supply pipe still includes first screw rod, and the sheathed tube left end is provided with the screw hole, and the screw hole of sleeve pipe left end communicates with each other with the sheathed tube cavity, and the right-hand member spiral shell dress of first screw rod inserts to the threaded hole of sleeve pipe left end.
The utility model discloses an inside cleaning device of city water supply pipe, wherein damping device still includes telescopic link, second spring and push rod, the left end of pivot is provided with the mounting hole, the right-hand member of telescopic link and the right-hand member fixed connection of mounting hole, the second spring housing is established on the telescopic link, the right-hand member of push rod inserts to the mounting hole in, the left end of telescopic link and the right-hand member fixed connection of push rod, the second spring is located between push rod right-hand member and the mounting hole right-hand member, the left end of push rod is provided with the push pedal.
The utility model discloses an inside cleaning device of city water supply pipe still includes maintenance door and second screw rod, and the top of casing is provided with the maintenance mouth, and the maintenance mouth communicates with each other with the cavity of casing, and the right-hand member of maintenance door and the top hinge of casing are connected, and the maintenance door covers in the top of second connecting pipe, and the bottom of second screw rod is passed the right-hand member of maintenance door and the spiral shell dress is on the top of casing.
The utility model discloses an inside cleaning device of city water supply pipe, the top of maintenance door is provided with the handle.
The utility model discloses an inside cleaning device of city water supply pipe, the top of second screw rod is provided with butterfly nut, and the left end of first screw rod is provided with butterfly nut.
The utility model discloses an inside cleaning device of city water supply pipe, the cavity of casing right part is provided with weight balance device.
Compared with the prior art, the beneficial effects of the utility model are that: through connecting whole placing inside anhydrous water supply pipe with casing etc., starter motor, driving pulley passes through the drive belt and drives driven pulley rotation under the transmission of reducing gear box, the pivot drives two sets of scraping and grinding devices and is rotatory along the pivot axis, in rotatory process, the centrifugal force that movable rod and connecting rod received makes the top of scraping and grinding the board keep away from sheathed tube top, the pipe wall of water supply pipe is contacted to the top until scraping and grinding the board, it is clean to make two sets of scraping and grinding boards scrape the water supply pipe at rotatory in-process, be applicable to the water supply pipe of clean diameter change, and convenient for operation, and the practicability is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the construction of the scraping apparatus;
FIG. 3 is a schematic view of the connection of the connecting rod to the movable rod;
FIG. 4 is a schematic view of the structure of the shock absorbing device;
FIG. 5 is an enlarged schematic view of section A of FIG. 1;
in the drawings, the reference numbers: 1. a housing; 2. a bottom wheel; 3. a top wheel; 4. a motor; 5. a reduction gearbox; 6. a driving pulley; 7. a bearing seat; 8. a rotating shaft; 9. a driven pulley; 10. a transmission belt; 11. a scraping and grinding device; 12. a sleeve; 13. a base; 14. a first spring; 15. a limiting plate; 16. a movable rod; 17. a connecting rod; 18. scraping and grinding the plate; 19. a first connecting pipe; 20. a booster water pump; 21. a second connecting pipe; 22. a high pressure spray head; 23. a back-off prevention nut; 24. a first screw; 25. a damping device; 26. a telescopic rod; 27. a second spring; 28. a push rod; 29. pushing the plate; 30. a rotary joint; 31. a maintenance port; 32. repairing the door; 33. a second screw; 34. a handle; 35. a butterfly nut; 36. a weight balancing device.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the utility model discloses an inside cleaning device of urban water supply pipeline, which comprises a shell 1, four groups of bottom wheels 2, four groups of top wheels 3, a motor 4, a reduction gearbox 5, a bearing seat 7, a rotating shaft 8, a transmission belt 10, two groups of scraping and grinding devices 11 and a damping device 25, wherein a cavity is arranged inside the shell 1, the four groups of bottom wheels 2 are symmetrically arranged at the bottom end of the shell 1, the four groups of top wheels 3 are symmetrically arranged at the top end of the shell 1, the motor 4 and the reduction gearbox 5 are fixedly arranged at the bottom end of the cavity of the shell 1, the output end of the motor 4 is connected with the input end of the reduction gearbox 5, the bearing seat 7 is fixedly arranged at the left end inside the cavity of the shell 1, a bearing is arranged inside the bearing seat 7, the right end of the rotating shaft 8 passes through the left end of the shell 1 and is fixedly arranged on, the driving belt 10 is tightly sleeved on the driving belt wheel 6 and the driven belt wheel 9, two groups of scraping devices 11 are respectively and fixedly arranged at the top end and the bottom end of the left part of the rotating shaft 8, wherein each group of scraping devices 11 further comprises a sleeve 12, a base 13, a first spring 14, a limiting plate 15, a movable rod 16 and a connecting rod 17, the bottom end of the sleeve 12 is fixedly arranged at the top end of the scraping device 11, a cavity is also arranged inside the sleeve 12, an opening is arranged at the top end of the sleeve 12, the opening at the top end of the sleeve 12 is communicated with the cavity of the sleeve 12, the base 13 is fixedly arranged at the bottom end of the cavity of the sleeve 12, the bottom end of the first spring 14 is fixedly arranged on the base 13, the limiting plate 15 is fixedly arranged at the top end of the sleeve 12 through a countersunk head bolt, a through hole is arranged at the top end of the limiting plate 15, the through hole at the, the bottom end of the movable rod 16 is fixedly connected with the top end of the first spring 14, the bottom end of the connecting rod 17 is connected with the top end of the movable rod 16, the top end of the connecting rod 17 is provided with a scraping plate 18, and the damping device 25 is fixedly arranged at the left end of the rotating shaft 8; through connecting whole placing inside anhydrous water supply pipe with casing 1 etc, starter motor 4, driving pulley 6 drives driven pulley 9 through drive belt 10 and rotates under the transmission of reducing gear box 5, pivot 8 drives two sets of scraping device 11 rotatory along the 8 axes of pivot, in rotatory process, the centrifugal force that movable rod 16 and connecting rod 17 received makes the top of scraping plate 18 keep away from the top of sleeve pipe 12 by the pulling force that is greater than first spring 14, the pipe wall of water supply pipe is contacted to the top of scraping plate 18, it is clean to make two sets of scraping plate 18 scrape the mill to water supply pipe in rotatory process, be applicable to the water supply pipe of clean diameter change, and convenient for operation improves the practicality.
The utility model discloses an inside cleaning device of urban water supply pipe, still include first connecting pipe 19, booster water pump 20, two sets of high pressure nozzle 22 of second connecting pipe 21 and rotary joint 30, booster water pump 20 fixed mounting is in the bottom of 1 cavity of casing, booster water pump 20's input and external water source are connected, booster water pump 20's output and second connecting pipe 21's input are connected, the inside cavity in left part of pivot 8, two sets of high pressure nozzle 22 are fixed respectively in the top and the bottom of pivot 8, two sets of high pressure nozzle 22's input and the cavity of pivot 8 communicate, the output of first connecting pipe 19 and the cavity that passes the right-hand member of pivot 8 and pivot 8 communicate, the input of first connecting pipe 19 is connected with rotary joint 30's output, rotary joint 30's input and second connecting pipe 21's output are connected; by starting the booster water pump 20, the external clean water under the power of the booster water pump 20 sequentially passes through the booster water pump 20, the second connecting pipe 21, the rotary joint 30 and the first connecting pipe 19 to enter the rotating shaft 8, and then is sprayed to the water supply pipe wall by the two groups of high-pressure spray heads 22, so that the pipe wall scraped and ground by the two groups of scraping and grinding plates 18 is cleaned, and the practicability is improved.
The utility model discloses an inside cleaning device of urban water supply pipeline, the top of the movable rod 16 is provided with a threaded hole, the bottom of the connecting rod 17 is provided with a thread, and the bottom end of the connecting rod 17 is inserted into the threaded hole at the top of the movable rod 16 in a threaded manner; by connecting the movable rod 16 and the connecting rod 17 by screw threads, the user can replace the scraping plate 18 conveniently, and convenience is improved.
The utility model discloses an inside cleaning device of urban water supply pipeline, still include anti-receding nut 23, anti-receding nut 23 is threaded and sleeved on connecting rod 17, the bottom of anti-receding nut 23 is attached to the top of movable rod 16 tightly; the situation that the connecting rod 17 and the movable rod 16 slide relatively in the working process is reduced by installing the anti-back nut 23, and the stability is improved.
The utility model discloses an inside cleaning device of urban water supply pipeline, still include first screw rod 24, the left end of sleeve pipe 12 is provided with the screw hole, the screw hole of the left end of sleeve pipe 12 communicates with chamber of sleeve pipe 12, the right-hand member spiral shell of first screw rod 24 inserts to the threaded hole of the left end of sleeve pipe 12; through the installation first screw rod 24, can adjust the distance between two sets of scraping and grinding boards 18 and revolve wrong two sets of first screw rod 24 according to the diameter of delivery pipe, make the right-hand member of two sets of first screw rod 24 paste the left end of two sets of movable rods 16 respectively, make the distance between two sets of scraping and grinding boards 18 fixed, be convenient for clean the unchangeable water supply pipeline of pipe wall diameter, improve the practicality.
The utility model discloses an inside cleaning device of urban water supply pipeline, wherein damping device 25 still includes telescopic link 26, second spring 27 and push rod 28, the left end of pivot 8 is provided with the mounting hole, the right-hand member of telescopic link 26 and the right-hand member fixed connection of mounting hole, second spring 27 cover is established on telescopic link 26, the right-hand member of push rod 28 inserts in the mounting hole, the left end of telescopic link 26 and the right-hand member fixed connection of push rod 28, second spring 27 is located between push rod 28 right-hand member and the mounting hole right-hand member, the left end of push rod 28 is provided with push pedal 29; through installation damping device 25, slow down the impact that the left end direct impact pipeline turn of pivot 8 produced, improve the practicality.
The utility model discloses an inside cleaning device of urban water supply pipeline, still include maintenance door 32 and second screw rod 33, the top of casing 1 is provided with maintenance mouth 31, maintenance mouth 31 communicates with each other with the cavity of casing 1, the right-hand member of maintenance door 32 is connected with the top hinge of casing 1, maintenance door 32 covers the top of second connecting pipe 21, the bottom of second screw rod 33 passes the right-hand member of maintenance door 32 and the spiral shell dress is at the top of casing 1; through setting up maintenance mouth 31 and installation maintenance door 32, the user of being convenient for maintains the equipment in casing 1 cavity, improves the practicality.
The utility model relates to an internal cleaning device of an urban water supply pipeline, a handle 34 is arranged at the top end of a maintenance door 32; the user can easily lift the service door 32 by installing the handle 34, which improves convenience.
The utility model discloses an internal cleaning device of an urban water supply pipeline, a butterfly nut 35 is arranged at the top end of a second screw 33, and the butterfly nut 35 is arranged at the left end of a first screw 24; the butterfly nut 35 is arranged to facilitate a user to screw the second screw 33 and the first screw 24, and convenience is improved.
The utility model relates to an internal cleaning device of an urban water supply pipeline, a weight balancing device 36 is arranged at the right part in a cavity of a shell 1; by providing the weight balancing device 36, the weight of the left side and the right side of the whole body of the connection of the housing 1 and the like is balanced, the occurrence of forward tilting of the whole body of the connection of the housing 1 and the like is reduced, and the stability is improved.
The utility model discloses an inside cleaning device of city water supply pipe, it is at work, at first place the connection such as casing 1 inside anhydrous water supply pipe wholly, start motor 4, driving pulley 6 drives driven pulley 9 through drive belt 10 and rotates under the transmission of reducing gear box 5, pivot 8 drives two sets of scraping and grinding device 11 and rotates along pivot 8 axis, in the rotation process, centrifugal force that movable rod 16 and connecting rod 17 received is greater than the pulling force of first spring 14 and makes the top of scraping and grinding board 18 keep away from the top of sleeve 12, until the top of scraping and grinding board 18 contacts the pipe wall of water supply pipe, make two sets of scraping and grinding board 18 scrape and grind and clean water supply pipe in the rotation process, start booster water pump 20, external clear water loops through booster water pump 20 under booster water pump 20 power, second connecting pipe 21, rotary joint 30 and first connecting pipe 19 enter into pivot 8 inside, then the water is sprayed to the wall of the water supply pipe by two groups of high-pressure spray heads 22, and the wall of the pipe scraped by the two groups of scraping plates 18 is cleaned.
The internal cleaning device for the urban water supply pipeline has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the cleaning device can be implemented as long as the beneficial effects are achieved; the utility model discloses an inside cleaning device of city water supply pipe's motor and booster water pump are purchase on the market, and this technical staff in industry only need according to its subsidiary instructions install and operate can.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A cleaning device for the interior of an urban water supply pipeline is characterized by comprising a shell (1), four groups of bottom wheels (2), four groups of top wheels (3), a motor (4), a reduction gearbox (5), a bearing seat (7), a rotating shaft (8), a transmission belt (10), two groups of scraping and grinding devices (11) and a damping device (25), wherein a cavity is arranged in the shell (1), the four groups of bottom wheels (2) are symmetrically arranged at the bottom end of the shell (1), the four groups of top wheels (3) are symmetrically arranged at the top end of the shell (1), the motor (4) and the reduction gearbox (5) are fixedly arranged at the bottom end of the cavity of the shell (1), the output end of the motor (4) is connected with the input end of the reduction gearbox (5), the bearing seat (7) is fixedly arranged at the left end in the cavity of the shell (1), a bearing is arranged in the bearing seat (7), the right end of the rotating shaft (8) penetrates through the left end of the, the right end of a rotating shaft (8) is provided with a driven belt wheel (9), the driven belt wheel (9) is positioned in a cavity of a shell (1), a driving belt wheel (6) and the driven belt wheel (9) are sleeved with a tensioning belt (10), two groups of scraping and grinding devices (11) are respectively and fixedly arranged at the top end and the bottom end of the left part of the rotating shaft (8), each group of scraping and grinding devices (11) further comprises a sleeve (12), a base (13), a first spring (14), a limiting plate (15), a movable rod (16) and a connecting rod (17), the bottom end of the sleeve (12) is fixedly arranged at the top end of the scraping and grinding device (11), the cavity is also arranged inside the sleeve (12), the top end of the sleeve (12) is provided with an opening, the top end opening of the sleeve (12) is communicated with the cavity of the sleeve (12), the base (13) is fixedly arranged at the bottom end of the cavity of the sleeve (12), the, limiting plate (15) are through countersunk head bolt fixed mounting on the top of sleeve pipe (12), the top of limiting plate (15) is provided with the through-hole, and limiting plate (15) top through-hole communicates with each other with the cavity of sleeve pipe (12), the bottom of movable rod (16) passes the through-hole on limiting plate (15) top and stretches into in the cavity of sleeve pipe (12), and the bottom of movable rod (16) and the top fixed connection of first spring (14), the bottom and the movable rod (16) top of connecting rod (17) are connected, the top of connecting rod (17) is provided with scrapes grinding plate (18), damping device (25) fixed mounting is at the left end of pivot (8).
2. The internal cleaning device for the urban water supply pipeline according to claim 1, further comprising a first connecting pipe (19), a booster water pump (20), a second connecting pipe (21), two groups of high pressure nozzles (22) and a rotary joint (30), wherein the booster water pump (20) is fixedly installed at the bottom end of the cavity of the housing (1), the input end of the booster water pump (20) is connected with an external water source, the output end of the booster water pump (20) is connected with the input end of the second connecting pipe (21), the left part of the rotating shaft (8) is hollow, the two groups of high pressure nozzles (22) are respectively fixed at the top end and the bottom end of the rotating shaft (8), the input ends of the two groups of high pressure nozzles (22) are communicated with the hollow of the rotating shaft (8), the output end of the first connecting pipe (19) is communicated with the hollow of the rotating shaft (8) passing through the right end of the rotating shaft (8), and the input end of the first connecting pipe, the input end of the rotary joint (30) is connected with the output end of the second connecting pipe (21).
3. The inside cleaning device for urban water supply pipelines according to claim 2, wherein the top end of the movable rod (16) is provided with a threaded hole, the bottom end of the connecting rod (17) is provided with a thread, and the bottom end of the connecting rod (17) is screwed into the threaded hole at the top end of the movable rod (16).
4. A device for cleaning the interior of a municipal water supply pipeline according to claim 3, further comprising an anti-withdrawal nut (23), wherein the anti-withdrawal nut (23) is screwed onto the connecting rod (17), and the bottom end of the anti-withdrawal nut (23) abuts against the top end of the movable rod (16).
5. The inside cleaning device for the urban water supply pipeline according to claim 4, further comprising a first screw (24), wherein the left end of the sleeve (12) is provided with a threaded hole, the threaded hole at the left end of the sleeve (12) is communicated with the chamber of the sleeve (12), and the right end of the first screw (24) is inserted into the threaded hole at the left end of the sleeve (12) in a threaded manner.
6. The inside cleaning device for the urban water supply pipeline according to claim 5, wherein the damping device (25) further comprises a telescopic rod (26), a second spring (27) and a push rod (28), the left end of the rotating shaft (8) is provided with a mounting hole, the right end of the telescopic rod (26) is fixedly connected with the right end of the mounting hole, the second spring (27) is sleeved on the telescopic rod (26), the right end of the push rod (28) is inserted into the mounting hole, the left end of the telescopic rod (26) is fixedly connected with the right end of the push rod (28), the second spring (27) is located between the right end of the push rod (28) and the right end of the mounting hole, and the left end of the push rod (28) is provided with a push plate (29).
7. A device for cleaning the interior of a municipal water supply pipeline according to claim 6, further comprising a maintenance door (32) and a second screw (33), wherein the maintenance door (31) is provided at the top end of the housing (1), the maintenance door (31) communicates with the chamber of the housing (1), the right end of the maintenance door (32) is hinged to the top end of the housing (1), the maintenance door (32) covers the second connecting pipe (21), and the bottom end of the second screw (33) passes through the right end of the maintenance door (32) and is screwed to the top end of the housing (1).
8. A device for cleaning the interior of a municipal water supply pipeline according to claim 7, wherein the top of the service door (32) is provided with a handle (34).
9. A device for cleaning the interior of a municipal water supply pipeline according to claim 7, wherein the top end of the second screw (33) is provided with a wing nut (35), and the left end of the first screw (24) is provided with a wing nut (35).
10. A device for cleaning the interior of a municipal water supply pipeline according to claim 7, wherein the right part of the interior of the chamber of the housing (1) is provided with a weight balancing device (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216004.4U CN211330596U (en) | 2019-12-11 | 2019-12-11 | Inside cleaning device of city water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216004.4U CN211330596U (en) | 2019-12-11 | 2019-12-11 | Inside cleaning device of city water supply pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211330596U true CN211330596U (en) | 2020-08-25 |
Family
ID=72096189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922216004.4U Expired - Fee Related CN211330596U (en) | 2019-12-11 | 2019-12-11 | Inside cleaning device of city water supply pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211330596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160518A (en) * | 2021-12-01 | 2022-03-11 | 凌溪(苏州)机械科技有限公司 | Fluid circulation washing machine for metal inner hole |
-
2019
- 2019-12-11 CN CN201922216004.4U patent/CN211330596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160518A (en) * | 2021-12-01 | 2022-03-11 | 凌溪(苏州)机械科技有限公司 | Fluid circulation washing machine for metal inner hole |
| CN114160518B (en) * | 2021-12-01 | 2023-03-14 | 凌溪(苏州)机械科技有限公司 | Fluid circulation washing machine for metal inner hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |