CN216199303U - Circulating cleaning device for water pump cover - Google Patents
Circulating cleaning device for water pump cover Download PDFInfo
- Publication number
- CN216199303U CN216199303U CN202122425952.6U CN202122425952U CN216199303U CN 216199303 U CN216199303 U CN 216199303U CN 202122425952 U CN202122425952 U CN 202122425952U CN 216199303 U CN216199303 U CN 216199303U
- Authority
- CN
- China
- Prior art keywords
- box
- water
- wall
- water pump
- fixedly connected
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000004140 cleaning Methods 0.000 title claims abstract description 69
- 238000003860 storage Methods 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 46
- 238000005406 washing Methods 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 6
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004548 suspo-emulsion Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a circulating cleaning device for a water pump cover, which belongs to the technical field of water pump accessory processing and comprises a box body, wherein the inner wall of the box body is fixedly connected with the surface of a support frame, a protection box is clamped on the inner wall of the support frame, and the upper surface of the inner wall of the protection box is fixedly connected with the upper surface of a motor. This a circulating cleaning device for water pump cover, through setting up the mass flow cover, the separation box, oil storage box and mass flow cover, select separately the inside fluid of box simultaneously and flow into in the oil storage box under the height maintenance of liquid level behind certain thickness, the washing liquid flows into the in-process at a high speed simultaneously and keeps the power of unloading to its impact that flows under its selection box form effect, the washing liquid of bottom passes through the filter simultaneously and keeps filtering iron fillings, this kind of mode can keep recycling the separation of in-process to its impurity and fluid to the washing liquid, keep washing liquid recycling, and simple structure, excellent in use effect.
Description
Technical Field
The utility model belongs to the technical field of water pump accessory processing, and particularly relates to a circulating cleaning device for a water pump cover.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. The pump can also convey liquid, gas mixture and liquid containing suspended solids, and the technical parameters of the performance of the water pump comprise flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; the vane pump is characterized in that energy is transmitted by utilizing the interaction of a rotary vane and water, and the vane pump is of a centrifugal pump, an axial flow pump, a mixed flow pump and the like. The sucked water is thrown out by the impeller through the volute and enters the water outlet pipe. Therefore, if the impeller of the centrifugal pump continuously rotates, water can be continuously sucked and pressed, the water can be continuously lifted from a low position to a high position or a far position, the production capacity of the water pump is adjusted year by year along with the increase of the product demand of the water pump year by year, when the existing water pump is produced, a certain amount of dirt and scrap iron can be attached to the upper cover of the pump body on the surface when accessories are machined, the existing water pump is difficult to be directly used if not cleaned, however, the existing cleaning equipment adopts the water body circulation for cleaning the existing water pump as an economic maximization means, but the existing circulation mode is complex in treatment of residual oil in the water body and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the utility model provides a circulating type cleaning device for a water pump cover, which solves the problems that when the existing water pump is produced, a pump body upper cover on the surface of the existing water pump is adhered with certain dirt and scrap iron when accessories are machined, and the existing water pump is difficult to directly use if the existing water pump is not cleaned, but the existing cleaning equipment adopts the water body circulation for cleaning the existing water pump as an economic maximization means, but the existing circulating mode is complex in treatment of residual oil in the water body and inconvenient to use.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a circulating cleaning device for a water pump cover comprises a box body, wherein the inner wall of the box body is fixedly connected with the surface of a supporting frame, a protective box is clamped on the inner wall of the supporting frame, the upper surface of the inner wall of the protective box is fixedly connected with the upper surface of a motor, the output shaft of the motor is clamped on the upper surface of the protective box through a bearing, the output shaft of the motor is fixedly connected with the lower surface of a turntable, the upper surface of the inner wall of the box body is fixedly connected with the upper surface of a dryer, an air inlet of the dryer is communicated with one end of two air return pipes, the other end of the air return pipe is clamped with the upper surface of the inner wall of the box body, a cleaning pipe is fixedly connected with the surface of the dryer, a water pressure pipe is fixedly connected with the inner wall of the box body, a water inlet of the cleaning pipe and one end of the same water supply pipe are communicated, the surface of the water supply pipe is fixedly connected with the left side surface of the box body, the other end of delivery pipe is linked together with the delivery port of water pump, the water inlet of water pump lower surface is linked together with the top of drinking-water pipe, the surface joint of drinking-water pipe is at the upper surface of water storage box inner wall, the lower surface of water storage box and the lower fixed surface of box inner wall are connected, the right side fixedly connected with separation box and the sorting box of water storage box, the right flank of box inner wall and the right flank fixed connection of oil storage box, the water inlet of water storage box is linked together with the left surface of separation box inner wall, the hydraulic fluid inlet of oil storage box is linked together with the right flank of sorting box inner wall.
As a further scheme of the utility model: the surface of return air pipe is provided with the condenser, the outlet joint of condenser is at the upper surface of box inner wall.
As a further scheme of the utility model: the through-hole has all been seted up with the left surface of selecting separately the box inner wall to the right flank of separation box inner wall, the surface of oil storage box, water storage box all is provided with a plurality of pipeline.
As a further scheme of the utility model: the inner wall of the sorting box is provided with a filter plate, and the front of the filter plate is clamped on the front of the box body through a sealing door.
As a further scheme of the utility model: the lower surface of support frame has been seted up a plurality of and has been crossed the water hole, the four corners department of box lower surface all is provided with the shock pad.
As a further scheme of the utility model: the surface of the hydraulic pipe is provided with a plurality of adjustable sprinkler heads, and the support frame is in a conical convex shape.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. the circulating cleaning device for the water pump cover is provided with the flow collecting cover, the separation box, the sorting box, the filter plate, the through hole, the water storage tank, the oil storage box and the flow collecting cover, when the circulating cleaning device is used, along with the fact that cleaning liquid in the cleaning process is collected into the sorting box through the flow collecting cover, the cleaning liquid immediately begins to accumulate in the sorting box, the cleaning liquid at the bottom of the separation box flows into the separation box through the through hole, the separation box keeps the same liquid level height as the sorting box immediately, the cleaning liquid continuously increases in the sorting box, the oil density floats on the upper layer slightly until the cleaning liquid reaches the proper height, the cleaning liquid in the separation box firstly flows into the water storage tank, meanwhile, after the oil in the sorting box reaches a certain thickness, the oil in the separation box flows into the oil storage box under the height of the liquid level, and meanwhile, the cleaning liquid keeps the impact on the flowing of the cleaning liquid under the shape of the sorting box in the high-speed flowing process and keeps the unloading force, simultaneously the washing liquid of bottom passes through the filter and keeps filtering iron fillings, after a period of time through take out the filter clearance can, this kind of mode can keep recycling the in-process to the separation of its impurity and fluid to the washing liquid, keeps washing liquid recycling, and simple structure, excellent in use effect.
2. The circulating cleaning device for the water pump cover is provided with a motor, a rotary table, a water pump, a water storage tank, a water supply pipe, a water pressure pipe, a cleaning pipe, a dryer, a return air pipe, a support frame and a flow collecting cover, when the circulating cleaning device is used, the water pump cover is firstly placed on the rotary table by opening a door plate, then the motor drives the water pump cover to slowly rotate through the rotary table, then the water pump is started, when the water pump is started, cleaning liquid in the water storage tank is pumped out through the water pumping pipe and then is injected to the surfaces of the water pressure pipe and the cleaning pipe through the water supply pipe, then the cleaning pipe keeps water flow downwards to clean under the action of internal water pressure, the cleaning liquid in the synchronous water pressure pipe stably cleans workpieces through a spray head on the surface under the action of the water pressure, and then the cleaning liquid uniformly cleans the surface of the cleaning liquid along with the slow rotation of the water pump cover when the circulating cleaning device is used, the cleaning liquid and impurities which are washed immediately enter the flow collecting cover through the drainage holes in the surfaces of the supporting legs to be collected, after the washing is finished, the dryer is started, the dryer sucks gas above the box body through the two return pipes, the pump cover is blown and heated after the drying is performed immediately, and the quick drying of the pump cover is kept.
3. This a circulating cleaning device for water pump cover through setting up return air duct, condenser and drying-machine, and at the stoving during operation, the return air duct can cooperate the drying-machine to carry out recycle to inside gas, makes its heat energy loss reduce and can cooperate the condenser to carry out the drying to steam to inside stoving in-process, keeps the inside good clean environment.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic sectional view of the separation box of the present invention in front view;
in the figure: the device comprises a box body 1, a supporting frame 2, a protection box 3, a motor 4, a rotating disc 5, a dryer 6, a return air pipe 7, a condenser 8, a cleaning pipe 9, a hydraulic pipe 10, a water supply pipe 11, a water pump 12, a water pumping pipe 13, a water storage tank 14, a separation box 15, a separation box 16, an oil storage box 17, a filter plate 18, a through hole 19, a flow collecting cover 20 and a door plate 21.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-3, the present invention provides a technical solution: a circulating cleaning device for a water pump cover comprises a box body 1, the inner wall of the box body 1 is fixedly connected with the surface of a supporting frame 2, a protective box 3 is clamped on the inner wall of the supporting frame 2, the upper surface of the inner wall of the protective box 3 is fixedly connected with the upper surface of a motor 4, the output shaft of the motor 4 is clamped on the upper surface of the protective box 3 through a bearing, the output shaft of the motor 4 is fixedly connected with the lower surface of a rotating disc 5, the upper surface of the inner wall of the box body 1 is fixedly connected with the upper surface of a drying machine 6, an air inlet of the drying machine 6 is communicated with one end of two air return pipes 7, the other end of the air return pipe 7 is clamped with the upper surface of the inner wall of the box body 1, a cleaning pipe 9 is fixedly connected with the surface of the drying machine 6, a hydraulic pipe 10 is fixedly connected with the inner wall of the box body 1, the cleaning pipe 9 is communicated with one end of a same water supply pipe 11 with a water inlet of the hydraulic pipe 10, and the surface of the cleaning pipe 11 is fixedly connected with the left side surface of the box body 1, the other end of delivery pipe 11 is linked together with the delivery port of water pump 12, the water inlet of water pump 12 lower surface is linked together with the top of drinking-water pipe 13, the surface joint of drinking-water pipe 13 is at the upper surface of 14 inner walls of water storage box, the lower surface of 14 inner walls of water storage box is connected with the lower fixed surface of 1 inner wall of box, the right side fixedly connected with separation box 15 and the separation box 16 of 14 water storage box, the right flank of 1 inner wall of box and the right flank fixed connection of oil storage box 17, the water inlet of 14 water storage box is linked together with the left flank of separation box 15 inner wall, the oil inlet of oil storage box 17 is linked together with the right flank of separation box 16 inner wall.
Specifically, as shown in fig. 1 and 2, a condenser 8 is arranged on the surface of the return air pipe 7, a water outlet of the condenser 8 is connected with the upper surface of the inner wall of the box body 1 in a clamping manner, through holes 19 are respectively arranged on the right side surface of the inner wall of the separation box 15 and the left side surface of the inner wall of the separation box 16, a plurality of pipelines are respectively arranged on the surfaces of the oil storage box 17 and the water storage box 14, a plurality of water through holes are arranged on the lower surface of the support frame 2, shock absorption pads are respectively arranged at four corners of the lower surface of the box body 1, a plurality of adjustable water spray heads are arranged on the surface of the hydraulic pipe 10, the support frame 2 is in a conical convex shape, through the condenser 8, when the drying operation is performed, the return air pipe 7 can be matched with the dryer 6 to recycle the internal air, so that the heat energy loss is reduced, and the condenser 8 can be matched with the water vapor in the internal drying process to maintain a good clean environment, through the through holes 19, through-hole 19 is located the below on 16 right sides of separation box, makes it can play fine bottom intercommunication effect, can prevent the inflow of fluid, through setting up the water hole, crosses the water hole and can keep the good discharge of the washing liquid of support frame 2 tops, makes it prevent the condition of ponding, through setting up hydraulic pressure pipe 10, the adjustable sprinkler bead of the surface setting of hydraulic pressure pipe 10 makes its water spray angle that can adjust its side when using as required, makes its abluent effect more abundant.
Specifically, as shown in fig. 3, the inner wall of the sorting box 16 is provided with the filter plate 18, the front surface of the filter plate 18 is connected to the front surface of the box body 1 through the sealing door in a clamping manner, the filter plate 18 can keep a good filtering effect when in use by arranging the filter plate 18, no impurities in the cleaning liquid are kept to circulate, and the sealing door can keep a good sealing effect when in use by arranging the sealing door to prevent the cleaning liquid from leaking.
The working principle of the utility model is as follows:
s1, when the cleaning machine is used, firstly, the pump cover is placed on the rotary table 5 by opening the door plate 21, then the motor 4 is driven by the motor 4 through the rotary table 5 to slowly rotate, then the water pump 12 is started, when the water pump 12 is started, the cleaning liquid in the water storage tank 14 is pumped out through the water pumping pipe 13 and then is injected into the surfaces of the water pressure pipe 10 and the cleaning pipe 9 through the water supply pipe 11, then the cleaning pipe 9 keeps water flow downward for washing under the action of internal water pressure, and the cleaning liquid in the water pressure pipe 10 can stably clean workpieces through the spray heads on the surfaces under the action of the water pressure;
s2, immediately washing the surface of the pump cover with the cleaning solution in slow rotation of the pump cover when in use, immediately washing the cleaning solution and impurities through the drainage holes on the surface of the supporting legs to enter the flow-collecting cover 20 for convergence, synchronously after washing, starting the dryer 6, immediately pumping the gas above the box body 1 by the dryer 6 through two return pipes, immediately heating and blowing the pump cover to heat the pump cover, keeping the quick drying of the pump cover, immediately gathering the cleaning solution in the cleaning process into the sorting box 16 through the flow-collecting cover 20, immediately starting accumulation of the cleaning solution in the sorting box 16, synchronously flowing the cleaning solution at the bottom into the separating box 15 through the through hole 19, immediately keeping the liquid level of the separating box 15 equal to that of the sorting box 16;
s3, the cleaning liquid continuously increases in the sorting box 16, the oil liquid density is lighter and floats on the upper layer until the cleaning liquid reaches a proper height, the cleaning liquid in the separating box 15 firstly flows into the water storage tank 14, meanwhile, the oil liquid in the sorting box 16 flows into the oil storage box 17 under the maintenance of the height of the liquid level after reaching a certain thickness, meanwhile, the impact on the flowing of the cleaning liquid under the action of the shape of the sorting box 16 keeps the unloading force in the high-speed flowing process of the cleaning liquid, meanwhile, the cleaning liquid at the bottom keeps filtering the scrap iron through the filter plate 18, and the cleaning liquid is cleaned by taking out the filter plate 18 after a period of time.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a circulating cleaning device for water pump cover, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly connected with the surface of the support frame (2), the inner wall of the support frame (2) is clamped with a protection box (3), the upper surface of the inner wall of the protection box (3) is fixedly connected with the upper surface of a motor (4), an output shaft of the motor (4) is clamped on the upper surface of the protection box (3) through a bearing, the output shaft of the motor (4) is fixedly connected with the lower surface of a turntable (5), the upper surface of the inner wall of the box body (1) is fixedly connected with the upper surface of a dryer (6), an air inlet of the dryer (6) is communicated with one ends of two air return pipes (7), the other ends of the air return pipes (7) are clamped with the upper surface of the inner wall of the box body (1), the surface of the dryer (6) is fixedly connected with a cleaning pipe (9), the inner wall of the box body (1) is fixedly connected with a hydraulic pipe (10), the cleaning pipe (9) is communicated with the water inlet of the hydraulic pipe (10) and one end of the same water supply pipe (11), the surface of the water supply pipe (11) is fixedly connected with the left side surface of the box body (1), the other end of the water supply pipe (11) is communicated with the water outlet of the water pump (12), the water inlet of the lower surface of the water pump (12) is communicated with the top end of the water pumping pipe (13), the surface of the water pumping pipe (13) is clamped on the upper surface of the inner wall of the water storage box (14), the lower surface of the water storage box (14) is fixedly connected with the lower surface of the inner wall of the box body (1), the right side of the water storage box (14) is fixedly connected with the separation box (15) and the separation box (16), the right side surface of the inner wall of the box body (1) is fixedly connected with the right side surface of the oil storage box (17), the water inlet of the water storage box (14) is communicated with the left side surface of the inner wall of the separation box (15), an oil inlet of the oil storage box (17) is communicated with the right side surface of the inner wall of the sorting box (16).
2. A circulating cleaning apparatus for a water pump cover according to claim 1, characterized in that: the surface of return air pipe (7) is provided with condenser (8), the outlet joint of condenser (8) is at the upper surface of box (1) inner wall.
3. A circulating cleaning apparatus for a water pump cover according to claim 1, characterized in that: through-hole (19) have all been seted up with the left surface of selecting separately the box (16) right flank of separation box (15) inner wall, the surface of oil storage box (17), water storage box (14) all is provided with a plurality of pipeline.
4. A circulating cleaning apparatus for a water pump cover according to claim 1, characterized in that: the inner wall of the sorting box (16) is provided with a filter plate (18), and the front surface of the filter plate (18) is clamped on the front surface of the box body (1) through a sealing door.
5. A circulating cleaning apparatus for a water pump cover according to claim 1, characterized in that: the lower surface of support frame (2) has been seted up a plurality of and has been crossed the water hole, the four corners department of box (1) lower surface all is provided with the shock pad.
6. A circulating cleaning apparatus for a water pump cover according to claim 1, characterized in that: the surface of the hydraulic pipe (10) is provided with a plurality of adjustable water spray heads, and the support frame (2) is in a conical convex shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122425952.6U CN216199303U (en) | 2021-10-09 | 2021-10-09 | Circulating cleaning device for water pump cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122425952.6U CN216199303U (en) | 2021-10-09 | 2021-10-09 | Circulating cleaning device for water pump cover |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216199303U true CN216199303U (en) | 2022-04-05 |
Family
ID=80862123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122425952.6U Expired - Fee Related CN216199303U (en) | 2021-10-09 | 2021-10-09 | Circulating cleaning device for water pump cover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216199303U (en) |
-
2021
- 2021-10-09 CN CN202122425952.6U patent/CN216199303U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN114308842B (en) | Automatic cleaning tank for semiconductor wafer tank type cleaning machine | |
CN214974479U (en) | Efficient stable sand mill | |
CN213684513U (en) | High-efficiency energy-saving screw dry vacuum pump | |
CN112212309B (en) | Energy-conserving efficient exhaust-heat boiler ash removal device | |
CN212168344U (en) | Belt cleaning device is used in hardware fitting processing | |
CN107047664A (en) | Continuous vacuum Fryer | |
CN107333395A (en) | A kind of aluminium base cleans production line of mating formation | |
CN207448232U (en) | A kind of water pump manufacture sanding apparatus of good dedusting effect | |
CN216199303U (en) | Circulating cleaning device for water pump cover | |
CN106826529A (en) | Centrifugal pump impeller waterpower sanding apparatus | |
CN107030609B (en) | A kind of mechanical grinding device | |
CN212703347U (en) | Part cleaning device for mechanical engineering | |
CN211193505U (en) | Polishing scrap collecting device for multi-stage pump production | |
CN211277901U (en) | Environment-friendly explosion-proof grinding and polishing machine | |
CN111531558A (en) | Autonomous cooling, polishing and grinding robot | |
CN216542646U (en) | Bearing roller burnishing device with safeguard function | |
CN217225028U (en) | Glass production is with polishing equipment that has wiper mechanism | |
CN113118130A (en) | Cleaning machine and cleaning method thereof | |
CN216397346U (en) | Cleaning machine | |
CN205965210U (en) | Emulsion retrieval and utilization integrated device | |
CN113023992B (en) | Cyclone separation water treatment device | |
CN213530095U (en) | Quick glass cleaning device | |
CN215566706U (en) | High-temperature-resistant powder metallurgy water pump | |
CN214235222U (en) | Novel metal casting washs device | |
CN221269131U (en) | Deep cleaning fungus ultrasonic device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |