CN216631862U - Ultrasonic cleaning machine capable of recycling cleaning fluid - Google Patents

Ultrasonic cleaning machine capable of recycling cleaning fluid Download PDF

Info

Publication number
CN216631862U
CN216631862U CN202220079903.3U CN202220079903U CN216631862U CN 216631862 U CN216631862 U CN 216631862U CN 202220079903 U CN202220079903 U CN 202220079903U CN 216631862 U CN216631862 U CN 216631862U
Authority
CN
China
Prior art keywords
cleaning machine
ultrasonic cleaning
cleaning
connecting pipe
groove
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
Application number
CN202220079903.3U
Other languages
Chinese (zh)
Inventor
覃华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yikema Intelligent Equipment Co ltd
Original Assignee
Suzhou Yikema Intelligent Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Yikema Intelligent Equipment Co ltd filed Critical Suzhou Yikema Intelligent Equipment Co ltd
Priority to CN202220079903.3U priority Critical patent/CN216631862U/en
Application granted granted Critical
Publication of CN216631862U publication Critical patent/CN216631862U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

The utility model provides an ultrasonic cleaning machine capable of recycling cleaning fluid, which comprises a machine body, a machine cover, a cleaning head and a cleaning head, wherein the machine body is provided with a cleaning cavity; the cleaning cavity is arranged at the top of the ultrasonic cleaning machine; the ultrasonic cleaning machine comprises a first water pipe groove, wherein the first water pipe groove is formed in the inner part of one side of the ultrasonic cleaning machine, and a sliding groove is formed in the inner side surface of the first water pipe groove. According to the ultrasonic cleaning machine capable of recycling the cleaning liquid, provided by the utility model, the dirt suction head assembly floats on the surface of the cleaning agent, so that oil stains on the surface of the cleaning agent can be absorbed, then the cleaning agent can be sucked from the bottom of the cleaning cavity through the water suction pipe and is transmitted to the interior of the barrel body, impurities in the cleaning agent are filtered through the filter cotton and the filter sponge, the cleaning agent can be repeatedly utilized, and the filtering can be carried out while the cleaning process is carried out, so that the secondary pollution to glasses is prevented when the glasses are taken out after the cleaning is finished.

Description

Ultrasonic cleaning machine capable of recycling cleaning fluid
Technical Field
The utility model relates to the technical field of ultrasonic cleaning machines, in particular to an ultrasonic cleaning machine capable of recycling cleaning liquid.
Background
Ultrasonic waves are propagated in liquid, so that the liquid and the cleaning tank vibrate together at the ultrasonic frequency, the liquid and the cleaning tank have own natural frequency when vibrating, the vibration frequency is the sound wave frequency, people can hear buzzing sound, and along with the continuous development of the cleaning industry, more and more industries and enterprises use the ultrasonic cleaning machine.
With the development of society, the application of optical lenses is becoming more extensive, and therefore, the demand for an ultrasonic cleaning machine for optical lens treatment is increasing day by day, when using ultrasonic to wash glasses, because the glasses are worn on the face of a person for a long time, a lot of human body grease can be adhered to the upper surfaces of the glasses, when using the cleaning machine to wash, the grease can be washed out and float on the surface of the cleaning liquid, when the washing is finished, if the oil film is not removed, when taking the glasses, the oil film can be reattached to the upper surfaces of the glasses again, and the glasses can not be cleaned cleanly.
Therefore, it is necessary to provide an ultrasonic cleaning machine capable of recycling the cleaning liquid to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultrasonic cleaning machine capable of recycling cleaning liquid, and solves the problems that a large amount of oil films float on the surface of the cleaning agent when the cleaning machine is used for cleaning glasses, and secondary pollution to the glasses can be caused when the glasses are taken.
In order to solve the above technical problem, the present invention provides an ultrasonic cleaning machine capable of recycling a cleaning liquid, including:
an ultrasonic cleaning machine;
the cleaning cavity is arranged at the top of the ultrasonic cleaning machine;
the ultrasonic cleaning machine comprises a first water pipe groove, a second water pipe groove and a third connecting pipe, wherein the first water pipe groove is formed in the inner side of one side of the ultrasonic cleaning machine, a sliding groove is formed in the inner side of the first water pipe groove, a sliding block is connected to the inner side of the sliding groove in a sliding mode, the third connecting pipe is fixedly installed on one side of the sliding block, a spring is sleeved on the outer side of the connecting pipe, the top of the third connecting pipe is connected with the first connecting pipe in a threaded mode, a connector is fixedly installed at one end of the first connecting pipe, and a second connecting pipe is fixedly installed at one end of the connector;
the sewage suction head assembly is sleeved on the inner side surface of one end of the second connecting pipe and comprises a cylinder, the cylinder is connected to the inner side surface of the second connecting pipe in a sliding mode, a floating block is fixedly installed at the top of the cylinder, and a suction port is formed in the top of the cylinder;
and the second water pipe groove is formed in the inner part of one side of the ultrasonic cleaning machine, and a water suction pipe is arranged on the inner side surface of the second water pipe groove.
Preferably, a first installation cavity is formed in one end of the bottom of the ultrasonic cleaning machine, a third water pipe groove is formed in the top of the inner side face of the first installation cavity, a water pump is fixedly installed on the inner side face of the first installation cavity, a water outlet pipe is fixedly installed on the top of the water pump, and the water outlet pipe is arranged on the inner side face of the third water pipe groove.
Preferably, the other end of the bottom of the ultrasonic cleaning machine is provided with a second mounting cavity, a barrel cover is fixedly mounted on the inner side surface of the second mounting cavity, a barrel body is in threaded connection with one side of the barrel cover, and a double joint is fixedly mounted on the other side of the barrel cover.
Preferably, one end of the double joint is fixedly provided with a suction pipe and a third connecting pipe respectively.
Preferably, the medial surface of ladle body is provided with respectively and filters sponge and filter pulp, one side fixed mounting of ladle body has the connecting pipe, the one end fixed mounting water pump of connecting pipe.
Preferably, the thread of one side of the ultrasonic cleaning machine is connected with a locking screw, and one end of the locking screw penetrates through one side of the ultrasonic cleaning machine and extends to the inner side surface of the first water pipe groove.
Preferably, the medial surface of washing chamber is provided with places the board subassembly, place the board subassembly and include the bottom plate, the mounting groove has been seted up at the top of bottom plate, the medial surface joint of mounting groove has the baffle, the top fixed mounting of bottom plate has the kickboard, the top fixed mounting of kickboard has the handle.
Compared with the related art, the ultrasonic cleaning machine capable of recycling the cleaning liquid provided by the utility model has the following beneficial effects:
the utility model provides an ultrasonic cleaner capable of recycling cleaning fluid, which can float on the surface of the cleaning fluid through a dirt suction head assembly to absorb oil stains on the surface of the cleaning fluid, then can suck the cleaning fluid from the bottom of a cleaning cavity through a water suction pipe and transmit the cleaning fluid to the interior of a barrel body, and can filter impurities in the cleaning fluid through filter cotton and filter sponge, so that the cleaning fluid can be repeatedly utilized, and the cleaning fluid can be filtered while being cleaned, thereby preventing the secondary pollution to glasses when the glasses are taken out after the cleaning is finished.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of an ultrasonic cleaning machine capable of recycling cleaning solution according to the present invention;
FIG. 2 is a schematic structural view of the side structure shown in FIG. 1;
FIG. 3 is a bottom view of the soil pick-up head assembly of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an enlarged view of the portion B shown in FIG. 1;
FIG. 6 is a schematic structural diagram of a second embodiment of an ultrasonic cleaning machine capable of recycling cleaning solution according to the present invention;
fig. 7 is a schematic view of the structure of the mounting plate assembly shown in fig. 6.
Reference numbers in the figures: 1. the ultrasonic cleaning machine comprises an ultrasonic cleaning machine body, 11, a cleaning cavity, 12, a first mounting cavity, 13, a second mounting cavity, 14, a first water pipe groove, 141, a limiting groove, 15, a second water pipe groove, 16, a third water pipe groove, 2, a water pump, 3, a barrel cover, 31, a double joint, 32, a barrel body, 33, filter sponge, 34, filter sponge, 35, a connecting pipe, 4, a water suction pipe, 5, a first connecting pipe, 51, a joint, 52, a second connecting pipe, 53, a sewage suction head assembly, 531, a cylinder, 532, a suction port, 533, a floating block, 6, a water outlet pipe, 7, a third connecting pipe, 71, a sliding block, 72, a spring, 8, a locking screw, 9, a placing plate assembly, 91, a bottom plate, 91, a mounting groove, 93, a baffle plate, 94, a floating plate, 95 and a handle.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic structural diagram of a first embodiment of an ultrasonic cleaning machine capable of recycling cleaning solution according to the present invention; FIG. 2 is a schematic structural view of the side structure shown in FIG. 1; FIG. 3 is a bottom view of the soil pick-up head assembly of FIG. 1; FIG. 4 is an enlarged view of portion A of FIG. 1; fig. 5 is an enlarged schematic view of a portion B shown in fig. 1. An ultrasonic cleaning machine capable of recycling cleaning liquid, comprising: an ultrasonic cleaner 1;
the cleaning cavity 11 is arranged at the top of the ultrasonic cleaning machine 1, and the cleaning cavity 11 is arranged at the top of the ultrasonic cleaning machine 1;
the cleaning chamber 11 is used to prevent the cleaning agent, and then the glasses are placed inside the cleaning chamber 11 and cleaned by the ultrasonic cleaning agent 1.
The ultrasonic cleaning machine comprises a first water pipe groove 14, wherein the first water pipe groove 14 is formed in one side of the ultrasonic cleaning machine 1, a sliding groove 141 is formed in the inner side surface of the first water pipe groove 14, a sliding block 71 is connected to the inner side surface of the sliding groove 141 in a sliding mode, a third connecting pipe 7 is fixedly installed on one side of the sliding block 71, a spring 72 is sleeved on the outer side surface of the connecting pipe 7, the top of the third connecting pipe 7 is connected with a first connecting pipe 5 in a threaded mode, a connector 51 is fixedly installed at one end of the first connecting pipe 5, and a second connecting pipe 52 is fixedly installed at one end of the connector 51;
the first water pipe groove 14 is connected with the second installation cavity 13, when in use, the first connecting pipe 5 is rotated on the third connecting pipe 7, the first connecting pipe 5 is connected on the third connecting pipe 7 in a threaded manner, then the joint 51 is inserted into one end of the first connecting pipe 5, then the second connecting pipe 52 is installed at one end of the joint 51, the pipeline is assembled, then the depth of the first connecting pipe 5 entering the first water pipe groove 14 is adjusted according to the height of the cleaning agent in the cleaning cavity 11, the first connecting pipe 5 is pressed downwards, the spring 72 is contracted at the moment, the third connecting pipe 7 slides downwards on the inner side surface of the limiting groove 141 through the sliding block 71, the head of the second connecting pipe 52 is positioned at the lower part of the surface of the cleaning agent, the top of the spring 72 is provided with a baffle plate to prevent the spring 72 from moving downwards,
the sewage suction head assembly 53 is sleeved on the inner side surface of one end of the second connecting pipe 52, the sewage suction head 53 comprises a cylinder 531, the cylinder 531 is connected to the inner side surface of the second connecting pipe 52 in a sliding manner, a floating block 533 is fixedly installed at the top of the cylinder 531, and a suction port 532 is formed at the top of the cylinder 531;
when the cleaning agent suction device is used, the dirt suction head assembly 53 is inserted into the inner side surface of the head part of the second connecting pipe 52 through the cylinder 531, at the moment, the dirt suction head assembly 53 floats on the surface of the cleaning agent due to the buoyancy of the floating block 533, at the moment, water is pumped through the water pump 2, and an oil film and impurities on the surface of the cleaning agent are sucked into the second connecting pipe 52 through the suction port 532.
And the second water pipe groove 15 is formed in the inner part of one side of the ultrasonic cleaning machine 1, and the water suction pipe 4 is arranged on the inner side surface of the second water pipe groove 15.
The second water pipe groove 15 is arranged on the back of the first water pipe groove 14, the second water pipe groove 15 is also connected with the second mounting cavity 13, and when the suction pipe 4 is used, one end of the suction pipe 4 is positioned at the bottom of the cleaning cavity 11.
First installation cavity 12 has been seted up to the one end of ultrasonic cleaner 1's bottom, third water pipe groove 16 has been seted up at the top of the medial surface of first installation cavity 12, the medial surface fixed mounting of first installation cavity 12 has water pump 2, the top fixed mounting of water pump 2 has outlet pipe 6, outlet pipe 6 set up in the medial surface of third water pipe groove 16.
One side of the first mounting cavity 12 can be opened to facilitate the mounting and dismounting of the water pump 2.
The other end of the bottom of the ultrasonic cleaning machine 1 is provided with a second mounting cavity 13, a barrel cover 3 is fixedly mounted on the inner side surface of the second mounting cavity 13, a barrel body 32 is in threaded connection with one side of the barrel cover 3, and a double joint 31 is fixedly mounted on the other side of the barrel cover 3.
One side of second installation cavity 13 also can be opened, conveniently takes out the filter vat from the inside of second installation cavity 13, changes filter pulp 34 and filter sponge 33.
One end of the double joint 31 is fixedly provided with the suction pipe 4 and the third connecting pipe 7 respectively.
The medial surface of ladle body 32 is provided with respectively and filters sponge 33 and filter pulp 34, one side fixed mounting of ladle body 32 has connecting pipe 35, the one end fixed mounting water pump 2 of connecting pipe 35.
The filter cotton 34 can filter the oil film in the cleaning agent, and the filter sponge 33 can filter some larger impurities.
The thread of one side of ultrasonic cleaner 1 is connected with locking screw 8, the one end of locking screw 8 runs through one side of ultrasonic cleaner 1 and extends to the medial surface of first water pipe groove 14.
The working principle of the ultrasonic cleaning machine capable of recycling the cleaning liquid provided by the utility model is as follows:
when using, put into the inside of taking washing chamber 11 with glasses, then open ultrasonic cleaner, wash through ultrasonic cleaner 1 this moment glasses, at this moment, open water pump 2, the cleaner that will wash chamber 11 medial surface through water pump 2 is taken over 52 and is absorbed water the pipe 4 suction through the second and is filtered the cleaner through filter pulp 34 and filter sponge 33 to the medial surface of ladle body 32, then returns the medial surface that washs chamber 11 again at rethread outlet pipe 6.
Compared with the related art, the ultrasonic cleaning machine capable of recycling the cleaning liquid provided by the utility model has the following beneficial effects:
float on the surface of cleaner through soil pick-up head subassembly 53, can absorb the greasy dirt on cleaner surface, then can inhale the cleaner from the bottom that washs chamber 11 through suction tube 4, transmit the inside of ladle body 32, filter the inside impurity of cleaner through filter pulp 34 and filter sponge 33, can make the cleaner send out the utilization repeatedly, and can also be on one side abluent in-process, filter on one side, prevent when wasing the end, when taking out glasses, cause the secondary pollution to glasses.
Second embodiment
Referring to fig. 6 and 7, based on the ultrasonic cleaning machine capable of recycling the cleaning solution provided in the first embodiment of the present application, a second embodiment of the present application provides another ultrasonic cleaning machine capable of recycling the cleaning solution. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone. Specifically, the difference of the ultrasonic cleaning machine of a circulated utilization washing liquid that this application provided in the second embodiment lies in, but the ultrasonic cleaning machine of circulated utilization washing liquid, the medial surface of washing chamber 11 is provided with places board subassembly 9, it includes bottom plate 91 to place board subassembly 9, mounting groove 91 has been seted up at the top of bottom plate 91, the medial surface joint of mounting groove 91 has baffle 93, the top fixed mounting of bottom plate 91 has kickboard 94, the top fixed mounting of kickboard 94 has handle 95.
The working principle of the ultrasonic cleaning machine capable of recycling the cleaning liquid provided by the utility model is as follows:
by placing the glasses on top of the bottom plate 91 and then placing the bottom plate 91 on the bottom of the cleaning chamber 11 through the handle 95, the handle 95 can be floated above the cleaning agent by the floating plate 94.
Compared with the related art, the ultrasonic cleaning machine capable of recycling the cleaning liquid provided by the utility model has the following beneficial effects:
put into the inside of cleaner through handle 95 with glasses, can prevent to directly contact finger and cleaner, cause the finger to bring the dust into the inside of cleaner, cause the pollution to the cleaner, inconvenient next use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. An ultrasonic cleaning machine capable of recycling cleaning liquid, comprising:
an ultrasonic cleaning machine;
the cleaning cavity is arranged at the top of the ultrasonic cleaning machine;
the ultrasonic cleaning machine comprises a first water pipe groove, a second water pipe groove and a third connecting pipe, wherein the first water pipe groove is formed in the inner side of one side of the ultrasonic cleaning machine, a sliding groove is formed in the inner side of the first water pipe groove, a sliding block is connected to the inner side of the sliding groove in a sliding mode, the third connecting pipe is fixedly installed on one side of the sliding block, a spring is sleeved on the outer side of the connecting pipe, the top of the third connecting pipe is connected with the first connecting pipe in a threaded mode, a connector is fixedly installed at one end of the first connecting pipe, and a second connecting pipe is fixedly installed at one end of the connector;
the sewage suction head assembly is sleeved on the inner side surface of one end of the second connecting pipe and comprises a cylinder, the cylinder is connected to the inner side surface of the second connecting pipe in a sliding mode, a floating block is fixedly installed at the top of the cylinder, and a suction port is formed in the top of the cylinder;
and the second water pipe groove is formed in the inner part of one side of the ultrasonic cleaning machine, and a water suction pipe is arranged on the inner side surface of the second water pipe groove.
2. The ultrasonic cleaning machine capable of recycling cleaning solution according to claim 1, wherein a first mounting cavity is formed at one end of the bottom of the ultrasonic cleaning machine, a third water pipe groove is formed at the top of the inner side surface of the first mounting cavity, a water pump is fixedly mounted on the inner side surface of the first mounting cavity, a water outlet pipe is fixedly mounted at the top of the water pump, and the water outlet pipe is arranged on the inner side surface of the third water pipe groove.
3. The ultrasonic cleaning machine capable of recycling cleaning solution according to claim 1, wherein a second mounting cavity is formed in the other end of the bottom of the ultrasonic cleaning machine, a barrel cover is fixedly mounted on the inner side surface of the second mounting cavity, a barrel body is connected to one side of the barrel cover through a thread, and a double joint is fixedly mounted on the other side of the barrel cover.
4. The ultrasonic cleaning machine capable of recycling cleaning solution according to claim 3, wherein one end of the double joint is fixedly provided with a suction pipe and a third connecting pipe respectively.
5. The ultrasonic cleaning machine capable of recycling cleaning solution according to claim 3, wherein the inner side surface of the barrel body is respectively provided with a filtering sponge and a filtering cotton, one side of the barrel body is fixedly provided with a connecting pipe, and one end of the connecting pipe is fixedly provided with a water pump.
6. The ultrasonic cleaning machine capable of recycling the cleaning solution according to claim 1, wherein a locking screw is screwed into one side of the ultrasonic cleaning machine, and one end of the locking screw penetrates through one side of the ultrasonic cleaning machine and extends to the inner side surface of the first water pipe groove.
7. The ultrasonic cleaning machine capable of recycling the cleaning solution according to claim 1, wherein a placing plate assembly is arranged on the inner side surface of the cleaning cavity, the placing plate assembly comprises a bottom plate, a mounting groove is formed in the top of the bottom plate, a baffle is clamped on the inner side surface of the mounting groove, a floating plate is fixedly mounted on the top of the bottom plate, and a handle is fixedly mounted on the top of the floating plate.
CN202220079903.3U 2022-01-13 2022-01-13 Ultrasonic cleaning machine capable of recycling cleaning fluid Expired - Fee Related CN216631862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220079903.3U CN216631862U (en) 2022-01-13 2022-01-13 Ultrasonic cleaning machine capable of recycling cleaning fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220079903.3U CN216631862U (en) 2022-01-13 2022-01-13 Ultrasonic cleaning machine capable of recycling cleaning fluid

Publications (1)

Publication Number Publication Date
CN216631862U true CN216631862U (en) 2022-05-31

Family

ID=81726875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220079903.3U Expired - Fee Related CN216631862U (en) 2022-01-13 2022-01-13 Ultrasonic cleaning machine capable of recycling cleaning fluid

Country Status (1)

Country Link
CN (1) CN216631862U (en)

Similar Documents

Publication Publication Date Title
CN209985013U (en) Automatic backwashing rainwater filtering all-in-one machine
CN216631862U (en) Ultrasonic cleaning machine capable of recycling cleaning fluid
CN110788070A (en) Ultrasonic cleaning machine
CN211635557U (en) Novel ultrasonic descaling device
CN212733211U (en) Camera lens self-cleaning device
CN215696326U (en) A belt cleaning device for automobile parts processing
CN211245628U (en) Cleaning fluid removes oil slick device
CN208643508U (en) A kind of multifunctional single slot environment protection cleaning machine
CN212494298U (en) Energy-concerving and environment-protective type ultrasonic cleaner
CN210907122U (en) Multi-groove precise environment-friendly ultrasonic cleaning machine
CN220406493U (en) Ultrasonic cleaner
CN208977501U (en) A kind of high speed conical refiner
CN215729154U (en) Ultrasonic cleaning device for cleaning glasses
CN215788580U (en) Coolant liquid storage box for digit control machine tool
CN212041787U (en) Ultrasonic cleaning machine
CN210586168U (en) Surveying instrument cleaning equipment
CN218280882U (en) Sewage filtering device
CN218743604U (en) Optical element ultra-washing device
CN220532353U (en) Cleaning device for accumulated scraps of water tank
CN208728182U (en) A kind of cleaning machine that sludge is collected
CN210788429U (en) Part cleaning equipment for bearing machining
CN211888223U (en) Belt cleaning device is used in screw production
CN219701282U (en) Waste liquid purification device in reaction
CN218309689U (en) Ultrasonic dust collecting device
CN211834278U (en) Ultrasonic dish washing machine

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: 20220531