CN207567871U - Drain cleaner - Google Patents
Drain cleaner Download PDFInfo
- Publication number
- CN207567871U CN207567871U CN201721590531.6U CN201721590531U CN207567871U CN 207567871 U CN207567871 U CN 207567871U CN 201721590531 U CN201721590531 U CN 201721590531U CN 207567871 U CN207567871 U CN 207567871U
- Authority
- CN
- China
- Prior art keywords
- flexible pipe
- housing
- pipe
- drill bit
- dredging
- 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.)
- Expired - Fee Related
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- Sink And Installation For Waste Water (AREA)
Abstract
The utility model is low for dredging efficiency and the problem of easy damage pipeline, provides a kind of drain cleaner, can crush tamper, improve dredging efficiency, and buffer the impact to pipeline, reduce the damage to pipeline, the technical solution is as follows：Including housing, the clamping part being rotatably connected in housing and the spring flexible shaft clamped by clamping part, housing, which is equipped with, is sleeved on that spring flexible shaft is outer and retractable and flexible pipe, the end of spring flexible shaft is removably connected with dredging head, dredging head includes the drill bit of the prominent flexible pipe in part and is located at the cutting member on drill bit and being located in flexible pipe, end of the flexible pipe far from housing is detachably rotatablely connected with dredging head, and the extractor fan and collection portion of connection flexible pipe are additionally provided on housing.Bit bore destroys tamper, and tamper is inhaled into flexible pipe by cutting member cutting and crushing, subsequently into collection portion, avoids clearing up back and forth, improve dredging efficiency；The bounce of flexible pipe buffer spring flexible axle reduces pipe damage.
Description
Technical field
The utility model is related to a kind of pipe dredging device, more specifically, it relates to a kind of drain cleaner.
Background technology
Drain cleaner is a kind of machine of the pipelines such as dredging sewer or closestool, and according to power resources difference, pipeline is dredged
Logical machine can substantially be divided into two kinds：Type hand drain cleaner and power type drain cleaner.
At present, drain cleaner majority on the market passes through the sewer pipe the spring precession blocking with camber elasticity
In, and catch on to take out of by tamper such as cloth, hair and other items equipped with dredging head in the end of spring.
This drain cleaner, due to spring high-speed rotation, causes spring bounce larger, while cause end in running
Dredging head also beat therewith, easily damage pipeline, while it is on sundries precession spring by, to catch on and take out of, will work as blocking
Object self-strength is higher or when attachment force with pipeline is larger, needs by repeatedly pullling sundries so that sundries gradually crushes watt
Solution, dredging is less efficient, also improves space.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of drain cleaner, have and dredge
The advantages of leading to damage of the efficient, reduction to pipeline.
To achieve the above object, the utility model provides following technical solution：
A kind of drain cleaner, including housing, the clamping part being rotatably connected in housing and the bullet clamped by clamping part
Spring flexible axle, spring flexible shaft is outer and retractable and flexible pipe, the end of the spring flexible shaft are detachable equipped with being sleeved on for the housing
Dredging head is connected with, the dredging head includes the drill bit of the prominent flexible pipe in part and is located on drill bit and is located at flexible pipe
Interior cutting member, end of the flexible pipe far from housing are detachably rotatablely connected with dredging head, the company of being additionally provided on the housing
The extractor fan and collection portion of logical flexible pipe.
It using above-mentioned technical proposal, is rotated by rotating clamping part with driving spring flexible axle, and then drives dredging head rotation,
To carry out drilling destruction to tamper by drill bit, by forming negative pressure in extractor fan flexible pipe, partly with pipeline
The smaller tamper of attachment force and the tamper destroyed by bit part are inhaled by suction function in flexible pipe, and then are blocked
Object is entered to along flexible pipe in collection portion by cutting member cutting and crushing, broken sundries, and sundries is avoided to be deposited in dredging
Crush the effect of dredging on head to tamper with decrease dredging head so that dredging head can carry out dredging operation until having dredged always
Finish, avoid clearing up sundries back and forth, improve dredging efficiency；Simultaneously because the flexible pipe of spring flexible shaft housing so that spring flexible shaft exists
Bounce occurs during rotation to be absorbed the impact force of pipeline by flexible pipe, and during dredging head stretches into pipeline, it is whole
Body avoids dredging head from scratching pipeline with spring flexible shaft, reduces pipe damage by flexible pipe and pipe slides friction.
Preferably, the cutting member includes being fixed on the side wall of drill bit and along the uniformly distributed several rotations of the circumferencial direction of drill bit
Rotor piece.
Using above-mentioned technical proposal, drill bit rotation is followed to utilize the high-speed rotation of rotating blade by several rotating blades
Sundries is cut, invalid additional driving device is easy to operate.
Preferably, the cutting member further include be rotatably connected on drill bit and with the fixed fixed blade of flexible pipe, it is described
Fixed blade is close with rotating blade but is not bonded.
Using above-mentioned technical proposal, by the relative motion of fixed blade and rotating blade, cutting effect is improved, is avoided soft
Property sundries volume on rotating blade, ensure dredging operation stability.
Preferably, the end of the flexible pipe is equipped with along the uniformly distributed rolling member of the circumferencial direction of flexible pipe.
Using above-mentioned technical proposal, sliding friction when being inserted into pipeline by the end of rolling member flexible pipe is changed into
Rolling friction reduces damage of the flexible pipe to pipeline, while flexible pipe is caused to be easier to be inserted into pipeline, and then facilitate dredging head
Insertion action, it is easy to operate, improve efficiency.
Preferably, helicla flute is set on the drill bit.
Using above-mentioned technical proposal, when being drilled by helicla flute drill bit to tamper, destroyed tamper along
Helicla flute is climbed into be easier to be cut at cutting member on earth, at the same by helicla flute be oriented to drill bit be easier to pierce it is stifled
In plug thing.
Preferably, the power part of driving clamping part rotation is additionally provided in the housing.
Using above-mentioned technical proposal, clamping part is driven to rotate by power part, reduce the labor of manual drive clamping part rotation
Fatigue resistance, it is easy to operate.
Preferably, the power part passes through belt transmission with clamping part.
Using above-mentioned technical proposal, by belt transmission to utilize the slip properties of belt transmission, dredging head is avoided by card
When firmly can not rotate, the sudden load increase of power part reduces the damage to power part, improves service life.
Preferably, the extractor fan includes flexible pipe far from the wind turbine for dredging first end, and the wind turbine is close to dredging head
Side be equipped with strainer, the flexible pipe be located at side of the strainer far from wind turbine be equipped with connect collection portion diversion pipe.
Using above-mentioned technical proposal, negative pressure state, Jin Ertong are in carrying out exhausting, flexible pipe in flexible pipe by wind turbine
Flexible pipe is crossed to suck the Partial Blocking object destroyed by drill bit and Partial Blocking object smaller with pipeline attachment force in flexible pipe,
Tamper is eventually entered into collection portion along flexible pipe flowing and is collected, and tamper is avoided to be deposited on dredging head to influence to dredge
The dredging effect of logical head, wind turbine can reduce damage of the tamper to wind turbine close to the strainer of this side setting of dredging head, carry
The high service life of wind turbine, while can enter in collection portion to realize tamper by diversion pipe by remaining tamper is filtered
It collects.
In conclusion the utility model has the advantages that：It is drilled by drill bit to tamper and passes through cutting member
The destroyed tamper of cutting is siphoned away tamper by negative pressure in flexible pipe with broken, tamper is avoided to be deposited in thin
Operation is dredged with obstruction on logical head so that dredging head disposably operation to complete dredging, can greatly improve dredging efficiency, together
When being beated by flexible pipe and rolling member buffer spring flexible axle to the impact injury of inner wall of the pipe, avoid dredging head and spring soft
Pipeline is scratched when axis gos deep into, by belt transmission so that the load for being reduced power part when dredging head blocks using belt slippage is increased
Add, reduce the damage to power part, improve service life.
Description of the drawings
Fig. 1 is the structure diagram of embodiment in the utility model；
Fig. 2 is that partial shell is concealed in the utility model for illustrating the schematic diagram of housing interior structure；
Fig. 3 is the A portions enlarged drawing of Fig. 2.
In figure：1st, housing；11st, mounting hole；12nd, bearing；13rd, fixing sleeve；2nd, clamping part；21st, rotation pipe；211st, first
Belt pulley；22nd, fixed section；23rd, active segment；24th, threaded fastener；3rd, spring flexible shaft；31st, head is dredged；311st, drill bit；312nd, spiral shell
Spin slot；32nd, cutting member；321st, rotating blade；322nd, fixed blade；4th, flexible pipe；41st, support ring；42nd, rolling member；421st, it rolls
Pearl；5th, extractor fan；51st, wind turbine；52nd, discharge pipe；6th, collection portion；61st, collecting box；62nd, diversion pipe；63rd, strainer；7th, power
Portion；71st, motor；72nd, the second belt pulley；73rd, belt.
Specific embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
A kind of drain cleaner referring to Fig. 1 and Fig. 2, including housing 1, is rotatably connected to clamping part 2, clamping part in housing 1
Spring flexible shaft 3 is clamped on 2, the flexible pipe being fixed on housing 14 is cased with outside spring flexible shaft 3, is additionally provided on housing 1 and flexibility
The extractor fan 5 and collection portion 6 that pipe 4 connects.
Referring to Fig. 1 and Fig. 2, mounting hole 11 is provided on the side wall at the length direction both ends of housing 1, housing 1 is far from clamping
The mounting hole 11 of the side wall in portion 2 is equipped with bearing 12, be fixed on bearing 12 along housing 1 length direction setting and with 1 turn of housing
The rotation pipe 21 of dynamic connection, clamping part 2 is fixed on the one end of rotation pipe 21 far from bearing 12, in addition, housing 1 is close to clamping part 2
The mounting hole 11 of side wall be fixed with towards housing 1 and extend internally fixing sleeve 13, fixing sleeve 13 is set in outside flexible pipe 4,
Also it is fixed with the bearing 12 being connect with rotation pipe 21 in the one end of fixing sleeve 13 far from clamping part 2 simultaneously, flexible pipe 4 can be from setting
The one end for having clamping part 2 is stretched out housing 1 and is set on spring flexible shaft 3, and spring flexible shaft 3 is inserted into rotation pipe 21 and passes through clamping
Portion 2 grips.
Referring to Fig. 1 and Fig. 2, clamping part 2 includes being fixed in rotation pipe 21 and in semi-circular fixed section 22 and hingedly
It is closed on fixed section 22 in semi-circular active segment 23, fixed section 22 with active segment 23 to form circular clamping part 2, activity
23 end far from hinged end of section connect fixation with fixed section 22 by threaded fastener 24.
Referring to Fig. 1 and Fig. 2, the first belt 73 wheel 211 in housing 1 is fixed in rotation pipe 21, is also set in housing 1
Dynamic portion 7, power part 7 are motor 71, and power part 7 is equipped with the second belt 73 wheel 72 driven by power part 7, and passes through skin
Band 73 connects the first belt 73 wheel 211 and the second belt 73 wheel 72, and then power part 7 is made to be passed with rotation pipe 21 by belt 73
It is dynamic.
Referring to Fig. 1 and Fig. 2, rotation pipe 21 is located at the extractor fan 5 for being equipped in housing 1 and being connected with flexible pipe 4, extractor fan
5 be to be arranged on wind turbine 51 of the fixing sleeve 13 far from 31 one end of dredging head, and the end of flexible pipe 4 is stretched out in housing 1, and pass through wind
Machine 51 aspirates the air in flexible pipe 4, and fixing sleeve 13 is located at side of the wind turbine 51 far from clamping part 2 and is also communicated with through housing 1
Discharge pipe 52.
Referring to Fig. 1 and Fig. 2, collection portion 6 is additionally provided in housing 1, collection portion 6 includes being located at the rectangle of 13 lower section of fixing sleeve
Collecting box 61 and through fixed to the diversion pipe 62 being connected to inside flexible pipe 4, the one end of diversion pipe 62 far from flexible pipe 4 with
Collecting box 61 connects, while strainer 63 is being equipped between diversion pipe 62 and wind turbine 51.
Fig. 2 and Fig. 3, end of the spring flexible shaft 3 far from housing 1 open unload is connected with dredging head 31, dredging head 31 include with
The drill bit 311 that spring flexible shaft 3 is detachably connected, drill bit 311 are equipped with helicla flute 312, and drill bit 311 is equipped with cutting member 32, cuts
Cutter member 32 includes the rotating blade 321 being fixed on the side wall of drill bit 311 and is rotatably connected on consolidating on the side wall of drill bit 311
Ledger-plate 322, rotating blade 321 is close with fixed blade 322 but is not bonded, and branch is also rotatably connected on the side wall of drill bit 311
Pushing out ring 41, end and the support ring 41 and fixed blade 322 of flexible pipe 4 are detachably connected, and flexible pipe is stretched out in 311 part of drill bit
Outside 4, while rotating blade 321 and fixed blade 322 are respectively positioned in flexible pipe 4, outside end of the flexible pipe 4 far from housing 1
Wall is equipped with rolling member 42, and rolling member 42 is ball 421.
In the present embodiment, flexible pipe 4 is folding retractable pipe, and is made of rubber, can be plastic folded in other embodiment
Telescoping tube, polyurethane folding retractable pipe etc..
The operating mode and principle of the present embodiment are as follows：
When dredging operation, first the ponding in pipeline is sucked out, then spring flexible shaft 3 is inserted into rotation pipe, and will dredging
First 31 connect with spring flexible shaft 3, while dredging head 31 is connect with flexible pipe 4, and head 31 is then dredged during push the spring flexible axle 3 and is stretched
Enter in pipeline, until after resistance during push the spring flexible axle 3 increases, that is, dredge head 31 and reach line clogging position, then proceed to
Push the spring flexible axle 3 with when spring flexible shaft 3 be squeezed, then lock clamping part 2, start power part 7 start to dredge with extractor fan 5
Logical operation.
During dredging head 31 stretches into pipeline, since flexible pipe 4 is sleeved on outside spring flexible shaft 3, flexible pipe 4 and pipe are utilized
Road sliding friction avoids spring flexible shaft 3 from directly being scratched with dredging head 31 with pipe friction, reduction spring flexible shaft 3 with dredging head 31
Pipeline, while during spring flexible shaft 3 rotates, larger bounce will occur for spring flexible shaft 3, pass through 4 buffer spring of flexible pipe
To the impact force of pipeline when flexible axle 3 is beated, the damage to pipeline is reduced.
Rolling member 42 by the end for being located at flexible pipe 4 so that flexible pipe 4 and the sliding friction of pipeline are changed into rolling
Friction reduces the frictional dissipation to pipeline, while dredging head 31 is caused to be easier to enter in pipeline, reduces the injury to pipeline.
During dredging, drilled tamper tentatively to destroy tamper by drill bit 311, simultaneously because extractor fan 5 will be soft
Property pipe 4 in air extraction so that flexible pipe 4 is in negative pressure state, and then the portion that will be destroyed by flexible pipe 4 by drill bit 311
Divide in tamper and Partial Blocking object smaller with pipeline attachment force sucking flexible pipe 4, and then cut by cutting member 32, with
Tamper is further crushed, broken tamper is eventually entered into collection portion 6 along the flowing of flexible pipe 4 and received
Collection avoids tamper from being deposited on dredging head 31 to influence the dredging effect of dredging head 31, avoids repeatedly extract tamper
Operation improves dredging efficiency.
Since drill bit 311 is equipped with helicla flute 312 so that be discharged by the tamper that drill bit 311 destroys along helicla flute 312
It in flexible pipe 4, while is oriented to by helicla flute 312 so that drill bit 311 is easier to pierce in tamper, ensures 31 pairs of head of dredging
The effect that tamper destroys.
Using the relative motion of rotating blade 321 and fixed blade 322 to further improve the cutting effect to tamper,
Tamper is largely avoided to become entangled on rotating blade 321 simultaneously.
Since power part 7 is driven with rotation pipe 21 by belt 73, with when dredging head 31 blocked in operation process and difficult
It during rotating, is skidded by belt 73 to avoid 7 sudden load increase of power part, reduces the damage to power part 7, improved and use the longevity
Life.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of drain cleaner, it is characterized in that：Including housing (1), the clamping part (2) being rotatably connected in housing (1) and
By the spring flexible shaft (3) that clamping part (2) clamps, the housing (1) is equipped with and is sleeved on spring flexible shaft (3) outside and retractable and flexible
It manages (4), the end of the spring flexible shaft (3) is removably connected with dredging head (31), and the dredging head (31) is prominent including part
It the drill bit (311) of flexible pipe (4) end and is located on drill bit (311) and the cutting member (32) in flexible pipe (4), it is described
End of the flexible pipe (4) far from housing (1) is detachably rotatablely connected with dredging head (31), and connection is additionally provided on the housing (1)
The extractor fan (5) of flexible pipe (4) and collection portion (6).
2. drain cleaner according to claim 1, it is characterized in that：The cutting member (32) is including being fixed on drill bit
(311) on side wall and along the uniformly distributed several rotating blades (321) of the circumferencial direction of drill bit (311).
3. drain cleaner according to claim 2, it is characterized in that：The cutting member (32), which further includes, is rotatably connected on brill
On head (311) and with the fixed fixed blade (322) of flexible pipe (4), the fixed blade (322) leans on rotating blade (321)
Closely but it is not bonded.
4. drain cleaner according to claim 1, it is characterized in that：The end of the flexible pipe (4) is equipped with along flexible pipe
(4) the uniformly distributed rolling member (42) of circumferencial direction.
5. drain cleaner according to claim 1, it is characterized in that：Helicla flute (312) is set on the drill bit (311).
6. drain cleaner according to claim 1, it is characterized in that：Driving clamping part (2) is additionally provided in the housing (1)
The power part (7) of rotation.
7. drain cleaner according to claim 6, it is characterized in that：The power part (7) passes through belt with clamping part (2)
(73) it is driven.
8. drain cleaner according to claim 1, it is characterized in that：The extractor fan (5) is separate including flexible pipe (4)
The wind turbine (51) of head (31) one end is dredged, the wind turbine (51) is equipped with strainer (63) close to the side of dredging head (31), described soft
Property pipe (4) positioned at strainer (63) far from wind turbine (51) side be equipped with connection collection portion (6) diversion pipe (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590531.6U CN207567871U (en) | 2017-11-23 | 2017-11-23 | Drain cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590531.6U CN207567871U (en) | 2017-11-23 | 2017-11-23 | Drain cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207567871U true CN207567871U (en) | 2018-07-03 |
Family
ID=62691784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721590531.6U Expired - Fee Related CN207567871U (en) | 2017-11-23 | 2017-11-23 | Drain cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207567871U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270411A (en) * | 2019-06-27 | 2019-09-24 | 南京恒辉粉体技术工程有限公司 | A kind of mill pedestal |
| CN110665915A (en) * | 2019-09-17 | 2020-01-10 | 王安岩 | Convertible cleaning claw of pipeline cleaning robot |
| CN111255391A (en) * | 2020-02-27 | 2020-06-09 | 廉作勇 | Hydrology monitoring well hole clearance ware |
| CN111594042A (en) * | 2020-05-25 | 2020-08-28 | 苏锦生 | Tunnel construction equipment |
| CN111691513A (en) * | 2018-08-23 | 2020-09-22 | 杨小洲 | Dredger for building downpipe and cleaning method |
| CN111779088A (en) * | 2020-07-22 | 2020-10-16 | 赵士威 | Sewer pipe dredger capable of realizing self-driven transmission of impurities |
| CN111790700A (en) * | 2020-06-09 | 2020-10-20 | 深圳供电局有限公司 | Pipeline dredging device |
| CN111877529A (en) * | 2020-06-29 | 2020-11-03 | 浙江勤奋建设有限公司 | Pipeline dredging machine |
| CN111921993A (en) * | 2020-07-01 | 2020-11-13 | 深圳供电局有限公司 | Pipeline dredging device |
| CN111956876A (en) * | 2020-08-26 | 2020-11-20 | 重庆尚业医疗器械有限公司 | Surgical anti-blocking suction tube and anti-blocking method |
| CN111956875A (en) * | 2020-08-26 | 2020-11-20 | 重庆尚业医疗器械有限公司 | Manual anti-blocking suction tube |
| CN112495950A (en) * | 2020-10-27 | 2021-03-16 | 赵亚威 | Automatic change pipeline dredging machine |
| CN113000089A (en) * | 2021-04-09 | 2021-06-22 | 河南亚会实验设备有限公司 | Anti-blocking purification workbench for experiment and use method thereof |
| CN113828249A (en) * | 2021-10-25 | 2021-12-24 | 杭州永通智造科技有限公司 | Production high-purity synthetic reation kettle's for quartz blow-down pipe pull throughs |
| CN113931292A (en) * | 2021-09-27 | 2022-01-14 | 宁波绿沁生态科技有限公司 | Sewage pipe network dredging device and using method thereof |
| CN114753481A (en) * | 2022-04-18 | 2022-07-15 | 重庆沣腾建材有限公司 | Drainage pipe repairs with clearing away jam device fast |
-
2017
- 2017-11-23 CN CN201721590531.6U patent/CN207567871U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691513A (en) * | 2018-08-23 | 2020-09-22 | 杨小洲 | Dredger for building downpipe and cleaning method |
| CN110270411A (en) * | 2019-06-27 | 2019-09-24 | 南京恒辉粉体技术工程有限公司 | A kind of mill pedestal |
| CN110665915A (en) * | 2019-09-17 | 2020-01-10 | 王安岩 | Convertible cleaning claw of pipeline cleaning robot |
| CN110665915B (en) * | 2019-09-17 | 2020-10-16 | 新昌县利拓科技有限公司 | Convertible cleaning claw of pipeline cleaning robot |
| CN111255391A (en) * | 2020-02-27 | 2020-06-09 | 廉作勇 | Hydrology monitoring well hole clearance ware |
| CN111594042A (en) * | 2020-05-25 | 2020-08-28 | 苏锦生 | Tunnel construction equipment |
| CN111790700A (en) * | 2020-06-09 | 2020-10-20 | 深圳供电局有限公司 | Pipeline dredging device |
| CN111877529A (en) * | 2020-06-29 | 2020-11-03 | 浙江勤奋建设有限公司 | Pipeline dredging machine |
| CN111877529B (en) * | 2020-06-29 | 2021-07-06 | 浙江勤奋建设有限公司 | Pipeline dredging machine |
| CN111921993A (en) * | 2020-07-01 | 2020-11-13 | 深圳供电局有限公司 | Pipeline dredging device |
| CN111779088A (en) * | 2020-07-22 | 2020-10-16 | 赵士威 | Sewer pipe dredger capable of realizing self-driven transmission of impurities |
| CN111956876A (en) * | 2020-08-26 | 2020-11-20 | 重庆尚业医疗器械有限公司 | Surgical anti-blocking suction tube and anti-blocking method |
| CN111956875A (en) * | 2020-08-26 | 2020-11-20 | 重庆尚业医疗器械有限公司 | Manual anti-blocking suction tube |
| CN112495950A (en) * | 2020-10-27 | 2021-03-16 | 赵亚威 | Automatic change pipeline dredging machine |
| CN113000089A (en) * | 2021-04-09 | 2021-06-22 | 河南亚会实验设备有限公司 | Anti-blocking purification workbench for experiment and use method thereof |
| CN113931292A (en) * | 2021-09-27 | 2022-01-14 | 宁波绿沁生态科技有限公司 | Sewage pipe network dredging device and using method thereof |
| CN113828249A (en) * | 2021-10-25 | 2021-12-24 | 杭州永通智造科技有限公司 | Production high-purity synthetic reation kettle's for quartz blow-down pipe pull throughs |
| CN114753481A (en) * | 2022-04-18 | 2022-07-15 | 重庆沣腾建材有限公司 | Drainage pipe repairs with clearing away jam device fast |
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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: 20180703 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |