CN114541559A - Drainage pipe for water storage tank convenient to clean - Google Patents
Drainage pipe for water storage tank convenient to clean Download PDFInfo
- Publication number
- CN114541559A CN114541559A CN202210364388.8A CN202210364388A CN114541559A CN 114541559 A CN114541559 A CN 114541559A CN 202210364388 A CN202210364388 A CN 202210364388A CN 114541559 A CN114541559 A CN 114541559A
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- CN
- China
- Prior art keywords
- pipe
- wall
- tube
- storage tank
- water storage
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000001914 filtration Methods 0.000 claims description 19
- 230000003670 easy-to-clean Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a drainage pipeline convenient to clean for a water storage tank, and belongs to the technical field of drainage facilities. Mainly include the tank, set up in the drain pipe of tank bottom, be located inner tube unit in the drain pipe and being located filter unit in the inner tube unit, the drain pipe includes cylindric base, base upper segment fixed mounting has cylindric pipe wall, pipe wall upper end inner wall is provided with the stopper, the inner tube unit includes the low tube and is located the top tube of low tube upper end, the low tube outer wall be provided with the first spacing groove that the stopper corresponds, the top tube outer wall be provided with the second spacing groove that the stopper corresponds, the low tube with the top tube rotates to be connected, the low tube with the top tube all with pipe wall inner wall sliding connection, the stopper first spacing groove with one is no less than to the quantity of second spacing groove. The water drainage pipeline for the water storage tank can prevent impurities from entering the pipeline when the filter screen is cleaned.
Description
Technical Field
The invention relates to the technical field of drainage facilities, in particular to a drainage pipeline for a water storage tank, which is convenient to clean.
Background
In each link of water treatment, a water storage tank is often required to be used for carrying out centralized treatment on a large amount of water, precipitates and impurities are often generated in the process, and for some impurities which are easy to clean, the impurities are usually filtered out by a filter screen at a water outlet and are cleaned after the water drainage is finished.
And in the actual process, because staff's clearance is careless or reason such as in time clearance, the filter screen can be stopped up, lead to drainage speed to descend by a wide margin, just need take out the filter screen and wash this moment, but in the drainage pipe design of conventionality, directly take out the filter screen with the valve in the pipeline, still have partial pipeline and reservoir intercommunication this moment, lose behind the filter screen, the impurity of aquatic just can get into it inside, after the pipeline is opened once more the later device of mistake income, long-term, the very easy follow-up equipment that damages of long-term accumulation.
It is therefore desirable to provide a drain for a storage tank that is easy to clean to solve the above problems.
Disclosure of Invention
Based on the above problems in the prior art, the embodiments of the present invention aim to: the utility model provides a drainage pipe for tank of convenient clearance can avoid when wasing the filter screen impurity to fall into the pipeline.
The technical scheme adopted by the invention for solving the technical problems is as follows: a drainage pipe for a water storage tank convenient to clean comprises the water storage tank, a drainage pipe arranged at the bottom of the water storage tank, an inner pipe unit positioned in the drainage pipe and a filtering unit positioned in the inner pipe unit, wherein the drainage pipe comprises a cylindrical base, a cylindrical pipe wall is fixedly arranged at the upper section of the base, a limiting block is arranged on the inner wall at the upper end of the pipe wall, the inner pipe unit comprises a lower pipe and an upper pipe positioned at the upper end of the lower pipe, a first limiting groove corresponding to the limiting block is arranged on the outer wall of the lower pipe, a second limiting groove corresponding to the limiting block is arranged on the outer wall of the upper pipe, the lower pipe is rotatably connected with the upper pipe, the lower pipe and the upper pipe are both in sliding connection with the inner wall of the pipe wall, the limiting block, the first limiting groove and the second limiting groove are not less than one in number, and an arc-shaped first sliding groove is arranged inside the top end of the lower pipe, first spout top link up to the low tube top, the inside curved second spout that is provided with in top tube bottom, second spout bottom link up to the low tube bottom, sliding connection has the first slider of L shape in the first spout, sliding connection has the second slider in the second spout, first slider top upwards extend and spread to the second spout inside with second slider fixed connection, first spout is kept away from low tube axle center one side link up to the low tube outer wall, first spout is kept away from low tube axle center one side is provided with the arc, arc one end with first spout inner wall is articulated, each position width of arc is directly proportional with the distance to articulated one end.
Further, the filter unit include the filter screen, with filter screen edge-fixed mount, be fixed in the support at mount both ends with be located the handle between the support top, the support lateral wall with the laminating of upper tube inner wall.
Furthermore, the outer side wall of the support is provided with a cross groove, the inner wall of the upper pipe is provided with a vertical fixture block, and the vertical fixture block corresponds to the groove in the vertical direction of the cross groove.
Further, the second spout is close to one side in top tube axle center link up extremely the top tube inner wall, the second slider is close to one side in top tube axle center extends to the outside fixedly connected with arc slider of second spout, arc slider with the laminating of top tube inner wall, be provided with the breach in the vertical fixture block, arc slider respectively with the breach with the horizontal groove of cross slot corresponds.
Furthermore, the first limiting groove does not penetrate through to the bottom of the lower pipe downwards.
Furthermore, a friction block is fixedly mounted on one side, far away from the axis of the upper pipe, of the top end of the first sliding block.
Furthermore, the inner side pipe wall at the bottom end of the upper pipe is thicker.
The invention has the beneficial effects that: the invention provides a drainage pipe for a water storage tank, which is convenient to clean, the bottom of a base is used for connecting an external water pipe, when the water storage tank drains water, the water enters the external water pipe again after passing through the drainage pipe to be discharged, impurities in the water are blocked by a filtering unit in the process, when a lower pipe and an upper pipe are both positioned in the pipe wall, the lower pipe and the upper pipe are supported by the base, a limiting block is positioned in a first limiting groove and a second limiting groove at the same time and can limit the relative rotation between the lower pipe and the upper pipe, at the moment, a first sliding block is positioned at one end, close to the hinging part of an arc-shaped plate and the first sliding groove, in the first sliding groove, the first sliding block is positioned at the moment, the arc-shaped plate does not touch the first sliding block during the rotation, so the arc-shaped plate can be completely retracted into the first sliding groove, when the filtering unit needs to be cleaned, a valve in a subsequent pipe is closed, then the upper pipe is moved upwards, the upper pipe can drive the lower pipe to move upwards through the first sliding block and the second sliding block, when the upper pipe and the arc-shaped plate are moved out of the pipe wall upwards, the upper pipe is rotated, in the present case, the upper pipe is rotated clockwise, at the moment, the lower pipe is still clamped by the limiting block, so that the lower pipe and the upper pipe rotate relatively, and simultaneously, the first sliding block and the second sliding block are driven to slide in the first sliding groove and the second sliding groove, and when the first sliding block slides in the first sliding groove, because the width of the arc-shaped plate in the direction is continuously increased, the arc-shaped plate finally touches the first slide block and is extruded out of the first slide groove, at the moment, the arc-shaped plate can prop against the bottom surface of the water storage tank or the upper end surface of the upper end of the pipe wall to prevent the lower pipe and the upper pipe from falling down, at the moment, after the filtering unit is taken out and cleaned, because the promotion of top tube height, the water inlet of top tube upper end highly is higher than outside tank bottom, and the sediment in the tank can't cross the top tube and get into the pipeline, has solved and has washd the filter unit in-process, and impurity can get into the problem of pipeline.
Drawings
The invention is further illustrated by the following figures and examples.
In the figure:
FIG. 1 is a schematic view of a drainpipe for a water storage tank according to the present invention;
FIG. 2 is an exploded view of a drain pipe of the drainpipe of the storage tank shown in FIG. 1;
FIG. 3 is a cross-sectional view of a drain pipe of the drainpipe for the water storage tank shown in FIG. 1;
FIG. 4 is a schematic view of the upper pipe structure of the drainpipe for the water storage tank shown in FIG. 2;
FIG. 5 is a partial sectional view showing an opened state of a drain pipe for the water storage tank shown in FIG. 1;
FIG. 6 is a partial sectional view showing a closed state of a drainpipe for the water storage tank shown in FIG. 1;
FIG. 7 is a schematic view showing a structure of a filter unit of a drainpipe for a water storage tank shown in FIG. 2;
FIG. 8 is a schematic view of a first slide block structure of the drainpipe for the water storage tank shown in FIG. 2;
wherein, in the figures, the respective reference numerals:
1. a drain pipe; 11. a base; 12. a tube wall; 13. a limiting block;
2. an inner tube unit; 21. a lower pipe; 211. a first limit groove; 212. a first chute; 213. an arc-shaped plate; 22. feeding a pipe; 221. a second limit groove; 222. a second chute; 223. a vertical clamping block; 224. a notch; 23. a first slider; 231. a second slider; 232. an arc-shaped sliding block; 233. a friction block;
3. a filtration unit; 31. filtering with a screen; 32. a fixed mount; 33. a support; 34. a handle; 35. a cross groove; 4. a water storage tank.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in figures 1-8, the invention provides a drainage pipeline for a water storage tank, which is convenient to clean and comprises a water storage tank 4, a drainage pipe 1 arranged at the bottom of the water storage tank 4, an inner pipe unit 2 positioned in the drainage pipe 1 and a filtering unit 3 positioned in the inner pipe unit 2, wherein the drainage pipe 1 comprises a cylindrical base 11, a cylindrical pipe wall 12 is fixedly arranged at the upper section of the base 11, a limit block 13 is arranged on the inner wall of the upper end of the pipe wall 12, the inner pipe unit 2 comprises a lower pipe 21 and an upper pipe 22 positioned at the upper end of the lower pipe 21, the outer wall of the lower pipe 21 is provided with a first limit groove 211 corresponding to the limit block 13, the outer wall of the upper pipe 22 is provided with a second limit groove 221 corresponding to the limit block 13, the lower pipe 21 is rotatably connected with the upper pipe 22, the lower pipe 21 and the upper pipe 22 are both slidably connected with the inner wall of the pipe wall 12, and the number of the limit block 13, the first limit groove 211 and the second limit groove 221 is not less than one, the inside curved first spout 212 that is provided with in lower tube 21 top, first spout 212 top link up to the lower tube 21 top, the inside curved second spout 222 that is provided with in upper tube 22 bottom, second spout 222 bottom link up to the lower tube 21 bottom, sliding connection has the first slider 23 of L shape in first spout 212, sliding connection has and second slider 231 in the second spout 222, first slider 23 top upwards extends to inside and second slider 231 fixed connection of second spout 222, first spout 212 keeps away from lower tube 21 axle center one side and link up to lower tube 21 outer wall, lower tube 21 axle center one side is kept away from to first spout 212 is provided with arc 213, arc 213 one end is articulated with first spout 212 inner wall, each position width of arc 213 is directly proportional with the distance to articulated one end. In this case, two limiting blocks 13, two first limiting grooves 211 and two second limiting grooves 221 are provided, the bottom of the base 11 is used for connecting an external water pipe, when the water storage tank 4 drains water, the water enters the external water pipe through the water drainage pipe 1 and then is drained, in this process, impurities in the water are blocked by the filtering unit 3, when the lower pipe 21 and the upper pipe 22 are both positioned inside the pipe wall 12, the lower pipe 21 and the upper pipe 22 are supported by the base 11, the limiting blocks 13 are positioned inside the first limiting grooves 211 and the second limiting grooves 221 at the same time, and can limit the relative rotation between the lower pipe 21 and the upper pipe 22, at this time, the first sliding block 23 is positioned at one end of the first sliding groove 212, which is close to the hinge joint of the arc-shaped plate 213 and the first sliding groove 212, and here, because the width of the arc-shaped plate 213 is small, the first sliding block 23 is not touched during rotation, so the arc-shaped plate 213 can be completely retracted into the first sliding groove 212, when the filtering unit 3 needs to be cleaned, firstly, the valve in the subsequent pipeline is closed, then the upper pipe 22 is moved upwards, the upper pipe 22 can drive the lower pipe 21 to move upwards through the first slider 23 and the second slider 231, when the upper pipe 22 and the arc-shaped plate 213 are moved upwards out of the pipe wall 12, the upper pipe 22 is rotated, in this case, the upper pipe 22 rotates clockwise, because the lower pipe 21 is still clamped by the limiting block 13 at this time, the lower pipe 21 and the upper pipe 22 rotate relatively, and simultaneously the first slider 23 and the second slider 231 are also driven to slide in the first sliding chute 212 and the second sliding chute 222, and when the first slider 23 slides in the first sliding chute 212, because the width of the arc-shaped plate 213 in the direction is continuously increased, the first slider 23 is finally touched and extruded out of the first sliding chute 212, at this time, the arc-shaped plate 213 can abut against the bottom surface of the water storage tank 4 or the upper end surface of the pipe wall 12, the lower pipe 21 and the upper pipe 22 are prevented from falling, and at this time, after the filtering unit 3 is taken out and cleaned, because the promotion of upper tube 22 height, the water inlet height of upper tube 22 upper end is higher than outside tank bottom, and the sediment in the tank can't cross upper tube 22 entering pipeline, has solved in washing filter unit 3 processes, and impurity can get into the problem of pipeline.
As shown in FIG. 4, in some embodiments, the first retaining groove 211 does not extend downward to the bottom of the lower tube 21. In this case, when stopper 13 touched first spacing groove 211 bottom, lower tube 21 and upper tube 22 just can't continue the lifting to the height that restriction lower tube 21 and upper tube 22 removed avoids lower tube 21 and upper tube 22 to pull up too high on the one hand, is disassembled by accident, and on the other hand convenience of customers can't continue to pull up the back again, can directly learn that arc 213 has left inside pipe wall 12, can begin rotatory upper tube 22.
As shown in fig. 5 to 7, in some embodiments, the filtering unit 3 includes a filter screen 31, a fixing frame 32 fixed to an edge of the filter screen 31, a bracket 33 fixed to both ends of the fixing frame 32, and a handle 34 located between top ends of the bracket 33, wherein an outer side wall of the bracket 33 is attached to an inner wall of the upper tube 22. The movement of the filter screen 31 is limited by the support 33 and the inner wall of the upper pipe 22, the filter screen 31 is ensured to be positioned in the middle of a pipeline, impurities are filtered when water is drained, and the filter screen 31 is conveniently taken out by the handle 34 for cleaning.
As shown in fig. 5 to 7, in some embodiments, the outer side wall of the bracket 33 is provided with a cross-shaped groove 35, the inner wall of the upper tube 22 is provided with a vertical block 223, and the vertical block 223 corresponds to the groove in the vertical direction of the cross-shaped groove 35. In this embodiment, when the filter unit 3 is placed in the upper tube 22, the vertical latch 223 is latched into the cross slot 35, and the user can rotate the upper tube 22 by rotating the handle 34 through the latching between the vertical latch 223 and the cross slot 35.
As shown in fig. 5 to 8, in some embodiments, one side of the second sliding groove 222 close to the axis of the upper tube 22 is penetrated through to the inner wall of the upper tube 22, one side of the second sliding block 231 close to the axis of the upper tube 22 is extended to the outside of the second sliding groove 222 to be fixedly connected with an arc sliding block 232, the arc sliding block 232 is attached to the inner wall of the upper tube 22, a notch 224 is arranged in the vertical blocking block 223, and the arc sliding block 232 corresponds to the notch 224 and the transverse groove of the cross groove 35 respectively. In this case, when the upper tube 22 rotates counterclockwise to the limit position, the arc-shaped sliding block 232 is clamped into the notch 224 and the cross groove 35, because the first sliding groove 212 and the second sliding groove 222 are located on the same straight line, the lower tube 21 and the upper tube 22 can be placed into the tube wall 12, or the arc-shaped sliding block 232 and the cross groove 35 can be clamped, the lower tube 21 and the upper tube 22 are pulled out of the tube wall 12 by pulling the handle 34, after the upper tube is pulled to the limit position, the handle 34 is rotated clockwise to drive the upper tube 22 to rotate counterclockwise to the limit position, and the arc-shaped sliding block 232 is separated from the notch 224 and the cross groove 35, so that the filtering unit 3 can be taken out for cleaning, and the taking-out process of the filtering unit 3 is simplified.
In some embodiments, as shown in fig. 8, a friction block 233 is fixedly mounted on a side of the top end of the first sliding block 23 away from the axial center of the upper tube 22. In this case, the friction block 233 is used to increase the friction between the top end of the first sliding block 23 and the upper tube 22, and when the upper tube 22 rotates clockwise, because the friction force between the first sliding block 23 and the upper pipe is large, the first sliding block 23 is firstly driven to slide in the first sliding groove 212, so that the arc-shaped plate 213 is preferentially unfolded, until the first sliding block 23 moves to the end of the first sliding groove 212 and cannot move any more, the first sliding block 23 and the second sliding block 231 are driven to slide in the second sliding groove 222, the arc-shaped sliding block 232 is separated from the notch 224 and the cross groove 35, the filtering unit 3 can be taken out, and in the process of taking out the filtering unit 3, the effect of unfolding the arc plate 213 first and then unlocking the filter unit 3 prevents the filter unit 3 from unlocking for a long time, the arc plate 213 is not unfolded, the lower pipe 21 and the upper pipe 22 fall by gravity, the filter unit 3 is separated, and water with impurities flows out.
As shown in FIG. 3, the inside wall of the bottom end of the upper tube 22 is thicker. In the present embodiment, after the filtering unit 3 is cleaned, when the upper tube 22 is placed in the container, the fixing frame 32 cannot move downward after contacting the inner wall of the bottom end of the upper tube 22, which means that the filtering unit 3 has been placed at a predetermined position and can start to rotate, thereby facilitating the user to control the assembly position of the filtering unit 3 and simplifying the resetting of the lower tube 21 and the upper tube 22.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a drainage pipe for tank of convenient clearance which characterized in that: comprises a water storage tank, a drain pipe arranged at the bottom of the water storage tank, an inner pipe unit arranged in the drain pipe and a filtering unit arranged in the inner pipe unit, wherein the drain pipe comprises a cylindrical base, a cylindrical pipe wall is fixedly arranged at the upper section of the base, a limiting block is arranged on the inner wall at the upper end of the pipe wall, the inner pipe unit comprises a lower pipe and an upper pipe arranged at the upper end of the lower pipe, a first limiting groove corresponding to the limiting block is arranged on the outer wall of the lower pipe, a second limiting groove corresponding to the limiting block is arranged on the outer wall of the upper pipe, the lower pipe is rotatably connected with the upper pipe, the lower pipe and the upper pipe are both in sliding connection with the inner wall of the pipe wall, the limiting block, the first limiting groove and the second limiting groove are not less than one in number, an arc-shaped first sliding groove is arranged inside the top end of the lower pipe, and the top end of the first sliding groove is communicated with the top end of the lower pipe, the utility model discloses a low tube, including upper tube, top tube, lower tube, upper tube bottom, second spout, first spout, second spout.
2. The easy-to-clean drainpipe for water storage tank according to claim 1, wherein: the filter unit includes the filter screen, with filter screen edge fixed mount, be fixed in the support at mount both ends with be located the handle between the support top, the support lateral wall with the laminating of upper tube inner wall.
3. A drain pipe for a water storage tank convenient to clean according to claim 2, wherein: the outer side wall of the support is provided with a cross groove, the inner wall of the upper pipe is provided with a vertical fixture block, and the vertical fixture block corresponds to the groove in the vertical direction of the cross groove.
4. A drain pipe for a water storage tank convenient to clean according to claim 3, wherein: the second spout is close to one side in top tube axle center link up to the top tube inner wall, the second slider is close to one side in top tube axle center extends to the outside fixedly connected with arc slider of second spout, arc slider with the laminating of top tube inner wall, be provided with the breach in the vertical fixture block, arc slider respectively with the breach with the horizontal groove of cross recess corresponds.
5. The easy-to-clean drainpipe for water storage tank according to claim 1, wherein: the first limiting groove does not penetrate to the bottom of the lower pipe downwards.
6. The easy-to-clean drainpipe for water storage tank according to claim 1, wherein: one side fixed mounting that the first slider top was kept away from the upper tube axle center has the clutch blocks.
7. The easy-to-clean drainpipe for water storage tank according to claim 1, wherein: the inner side pipe wall at the bottom end of the upper pipe is thicker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364388.8A CN114541559B (en) | 2022-04-07 | 2022-04-07 | Drainage pipeline for water storage tank convenient to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364388.8A CN114541559B (en) | 2022-04-07 | 2022-04-07 | Drainage pipeline for water storage tank convenient to clean |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114541559A true CN114541559A (en) | 2022-05-27 |
| CN114541559B CN114541559B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210364388.8A Active CN114541559B (en) | 2022-04-07 | 2022-04-07 | Drainage pipeline for water storage tank convenient to clean |
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| CN (1) | CN114541559B (en) |
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| CN114541559B (en) | 2023-07-07 |
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Effective date of registration: 20240112 Address after: 213000, No. 27 Tongjiang North Road, Weitang Industrial Park, Chunjiang Street, Xinbei District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU EAST NOAH PRINTING AND DYEING Co.,Ltd. Address before: 213100 No.53 Gehu Middle Road, HUTANG Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Vocational Institute of Textile and Garment |