CN111304878A - Washing machine cleaning device and washing machine - Google Patents
Washing machine cleaning device and washing machine Download PDFInfo
- Publication number
- CN111304878A CN111304878A CN202010112666.1A CN202010112666A CN111304878A CN 111304878 A CN111304878 A CN 111304878A CN 202010112666 A CN202010112666 A CN 202010112666A CN 111304878 A CN111304878 A CN 111304878A
- Authority
- CN
- China
- Prior art keywords
- washing machine
- lifting ring
- cleaning apparatus
- lead screw
- driving mechanism
- 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.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a washing machine cleaning device and a washing machine, wherein the washing machine cleaning device comprises: the inner ring of the lifting ring is provided with an inner barrel brush for cleaning the outer wall of the inner barrel, and the outer ring of the lifting ring is provided with an outer barrel brush for cleaning the inner wall of the outer barrel; the lifting driving mechanism is used for driving the lifting ring to lift. According to the invention, the cleaning device is arranged between the inner cylinder and the outer cylinder, so that the cleaning can be completed without disassembling the inner cylinder, the operation is simple, and the cleaning effect is good.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a cleaning device of a washing machine.
Background
The interlayer between the inner barrel and the outer barrel of the washing machine is a closed environment, only water flow can pass through the interlayer, and due to the limitation of the structure of the washing machine and the particularity of the use environment, washing water flows between the inner barrel and the outer barrel of the washing machine, so that dirty water cannot be drained quickly. Therefore, after the inner cylinder is used for a period of time, a layer of black and sticky dirt and stains can be accumulated on the outer wall of the inner cylinder and the inner wall of the outer cylinder, and a large amount of germs can be bred. Therefore, secondary pollution to clothes is easily caused during washing, and the body health of a user is influenced.
There are two main types of traditional cleaning methods: one is chemical cleaning, which uses chemical detergent or cleaning powder for washing, but consumes a large amount of water and has little cleaning effect; the other way is that the washing machine is disassembled and washed by professional personnel on the door, and although a better cleaning effect can be achieved, a large amount of manpower and financial resources are consumed, so that the cleaning problem of the washing machine cannot be fundamentally solved.
Disclosure of Invention
The invention aims to provide a cleaning device for a washing machine, and aims to solve the problem that the outer wall of an inner barrel and the inner wall of an outer barrel of the washing machine cannot be thoroughly cleaned in the traditional cleaning mode or the problem that the washing machine is inconvenient to clean after being disassembled.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a washing machine cleaning device including:
the inner ring of the lifting ring is provided with an inner barrel brush for cleaning the outer wall of the inner barrel, and the outer ring of the lifting ring is provided with an outer barrel brush for cleaning the inner wall of the outer barrel; and
and the lifting driving mechanism is used for driving the lifting ring to lift.
As another embodiment of the present application, the elevation driving mechanism includes:
a drive motor;
the lead screw is connected with the driving motor, and the lifting ring is in threaded fit with the lead screw;
the top disc is fixedly connected to the washing machine body, is positioned at the top end of the lead screw and is rotationally connected with the lead screw; and
the base is fixedly connected to the washing machine body and located at the bottom end of the lead screw, and the lead screw is rotatably connected with the base.
As another embodiment of the present application, the lift driving mechanism further includes:
the guide shaft is parallel to the lead screw, two ends of the guide shaft are fixedly mounted with the top disc and the base respectively, the lifting ring is connected with the guide shaft in a sliding mode, and the guide shaft is used for guiding the lifting ring.
As another embodiment of the present application, the lift driving mechanism further includes:
the guide sleeve is fixed with the lifting ring and is in sliding fit with the guide shaft.
As another embodiment of the present application, the method further includes:
the guide shaft is parallel to the lead screw, two ends of the guide shaft are fixedly mounted with the top disc and the base respectively, the lifting ring is connected with the guide shaft in a sliding mode, and the guide shaft is used for guiding the lifting ring.
As another embodiment of the present application, the lift driving mechanism further includes:
the sliding sleeve is fixedly installed with the lifting ring, and the sliding sleeve is in threaded fit with the lead screw.
As another embodiment of the present application, the cleaning apparatus further includes:
the ultraviolet germicidal lamp is arranged on the base or the top plate.
As another embodiment of the present application, the cleaning apparatus further includes:
the fixing piece is arranged at the bottom of the base and used for fixing the cleaning device with the washing machine.
As another embodiment of the application, the number of the screw rods is at least two, and the screw rods are symmetrically arranged.
As another embodiment of the present application, the cleaning apparatus further includes:
the water spray pipe is arranged on the lifting ring around the middle shaft of the lifting ring, and is provided with water spray ports which spray water to the inner side and the outer side of the lifting ring respectively; and
one end of the flexible hose is connected with the water spray pipe, and the other end of the flexible hose is connected with a water inlet of the washing machine.
The invention also provides a washing machine comprising any one of the washing machine cleaning devices.
The cleaning device of the washing machine provided by the invention has the beneficial effects that: compared with the prior art, the lifting ring is driven to lift by the lifting driving mechanism after the lifting driving mechanism is started, so that the lifting ring is driven to slide up and down by controlling different steering directions of the lifting driving mechanism, the hairbrush on the lifting ring is respectively contacted with the outer wall of the inner barrel and the inner wall of the outer barrel, and dirt on the outer wall of the inner barrel and on the inner wall of the outer barrel is removed under the action of friction force. When the device is used for cleaning, the inner barrel of the washing machine does not need to be disassembled, and the device can be cleaned and is convenient to operate. Meanwhile, the washing machine is cleaned by a physical method, so that the corrosion to the cylinder wall of the washing machine is avoided, and the secondary pollution caused by chemical cleaning is also avoided. The invention has simple structure, convenient operation, low cost and thorough cleaning.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cleaning device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cleaning device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cleaning device installed in a washing machine according to an embodiment of the present invention;
FIG. 4 is a top view of a sprinkler tube and a flexible hose according to an embodiment of the present invention.
In the figure: 1. a drive motor; 2. a top tray; 3. an inner barrel brush; 4. a lifting ring; 5. a lead screw; 6. an outer barrel brush; 7. a sliding sleeve; 8. a base; 9. an ultraviolet germicidal lamp; 10. fixing a sleeve; 11. a fixing member; 12. a guide sleeve; 13. an inner barrel; 14. an outer cylinder; 15. a guide shaft 16 and a flexible hose; 17. a water spray pipe; 17-1 and a water spraying port.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 4 together, a cleaning device for a washing machine according to the present invention will now be described. A cleaning device of a washing machine comprises a lifting ring 4 and a lifting driving mechanism, wherein inner rings of the lifting ring 4 are provided with inner barrel brushes 3 used for cleaning the outer wall of an inner barrel 13, and outer rings of the lifting ring are provided with outer barrel brushes 6 used for cleaning the inner wall of an outer barrel 14; the lifting driving mechanism is used for driving the lifting ring 4 to lift. The brush may also be a wiper blade or other cleaning implement.
The cleaning device of the washing machine provided by the invention has the beneficial effects that: compared with the prior art, the cleaning device of the washing machine only needs to be arranged between the inner cylinder 13 and the outer cylinder 14 of the washing machine, after the lifting driving mechanism is started, the lifting driving mechanism drives the lifting ring 4 to lift, different steering directions of the lifting driving mechanism are controlled so as to drive the lifting ring 4 to slide up and down, the hairbrushes on the lifting ring 4 are respectively contacted with the outer wall of the inner cylinder 13 and the inner wall of the outer cylinder 14, and dirt on the outer wall of the inner cylinder 13 and dirt on the inner wall of the outer cylinder 14 are removed under the action. When the device is used for cleaning, the inner barrel 13 of the washing machine does not need to be disassembled to clean, and the operation is convenient. Meanwhile, the washing machine is cleaned by a physical method, so that the corrosion to the cylinder wall of the washing machine is avoided, and the secondary pollution caused by chemical cleaning is also avoided.
When the cleaning device is used, the cleaning function of the washing machine can be started, water is injected into the washing machine, dirt cleaned by the brush can be washed by water flow, the spin-drying function of the washing machine can be achieved after the water flow is added, the inner barrel 13 of the washing machine is rotated, the friction force between the brush and the outer wall of the inner barrel 13 is increased, and the cleaning effect and the cleaning efficiency are improved. Meanwhile, cleaning fluid can be poured into the washing machine, and the cleaning effect is improved.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the lifting driving mechanism includes: the device comprises a driving motor 1, a screw rod 5, a top disc 2 and a base 8; the screw 5 is connected with the driving motor 1, and the lifting ring 4 is in threaded fit with the screw 5; the top disc 2 is positioned at the top end of the screw rod 5 and is rotationally connected with the screw rod 5; the base 8 is located the bottom of lead screw 5, and rotates with lead screw 5 and is connected. The top end of the lead screw 5 is connected with a driving motor 1, and the driving motor 1 can be a stepping motor. The base 8 is connected with the bottom of the outer drum 14 of the washing machine and plays a role in fixing the cleaning device. The stepping motor converts an electric pulse signal into angular displacement or linear displacement, is also called as a pulse motor, is an electromagnet capable of freely rotating based on the most basic electromagnet principle, and generates electromagnetic torque by means of the change of air gap permeance. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. The steering of the screw 5 can be conveniently adjusted through the stepping motor, so that the lifting ring 4 is controlled to ascend and descend.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the lifting driving mechanism further includes: the guide shaft 15, the guide shaft 15 is parallel with the lead screw 5, the both ends of the guide shaft 15 are respectively and fixedly installed with the top disc 2 and the base 8, the lifting ring 4 is connected with the guide shaft 15 in a sliding mode, and the guide shaft 15 is used for guiding the lifting ring 4. The guide shaft 15 guides the sliding of the lifting ring 4, and prevents the lifting ring 4 from shifting when sliding. Meanwhile, the guide shaft 15 is arranged, so that the number of the lead screws 5 can be reduced, and the cost is saved.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to fig. 3, the lifting driving mechanism further includes a guide sleeve 12, the lifting ring 4 is fixed to the guide sleeve 12, and the guide sleeve 12 is in sliding fit with the optical axis. The lifting ring 4 slides in a matching way with the guide shaft 15 through the guide sleeve 12, the contact area between the guide sleeve 12 and the guide shaft 15 is increased, and the guide effect can be optimized.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the lifting ring 4 is fixedly installed with the sliding sleeve 7, the sliding sleeve 7 is provided with a thread matching with the screw 5, the sliding sleeve 7 is sleeved outside the screw 5, and the sliding sleeve 7 is matched with the screw 5. The lifting ring 4 slides in cooperation with the screw rod 5 through the sliding sleeve 7, the sliding sleeve 7 increases the contact area with the screw rod 5, and the screw rod 5 drives the lifting ring 4 more stably.
Preferably, a fixed sleeve 10 is arranged at the joint of the screw 5 and the base 8 and the top plate 2 and used for further limiting the screw 5, preventing the screw 5 from deviating and increasing the temperature.
Referring to fig. 1 to 3, as a specific implementation manner of the embodiment of the present invention, the cleaning device further includes an ultraviolet germicidal lamp 9 disposed on the base 8 or the top plate 2. The lamp tube of the ultraviolet germicidal lamp is made of quartz glass, and the mercury lamp is divided into three types according to the difference of mercury vapor pressure and ultraviolet output intensity in the lighted lamp tube: low pressure low intensity mercury lamps, medium pressure high intensity mercury lamps, and low pressure high intensity mercury lamps. The ultraviolet ray disinfection and sterilization has wide application range, and hospitals, schools, nursery houses, cinemas, buses, offices, families and the like can purify air, eliminate musty smell, generate a certain amount of negative oxygen ions, and provide a room disinfected by ultraviolet rays with particularly fresh air. In public places, some germs can be prevented from being transmitted through air or transmitted through the surface of an object through ultraviolet disinfection. The ultraviolet germicidal lamp 9 is arranged in the cleaning device, when the hairbrush finishes cleaning the inner cylinder 13 and the outer cylinder 14, the ultraviolet germicidal lamp 9 is started to sterilize the inner cylinder 13 and the outer cylinder 14 of the washing machine, and the space between the inner cylinder 13 and the outer cylinder 14 can be better cleaned.
Referring to fig. 1 to 3, as a specific implementation manner of the embodiment of the present invention, the cleaning device further includes a fixing member 11, and the fixing member 11 is disposed at the bottom of the base 8 and is used for fixing the cleaning device and the washing machine. The fixing member 11 may be a suction cup for sucking the cleaning device to the outer tub 14 to prevent the cleaning device from shaking; the fixing member 11 fixes the cleaning device to the outer cylinder 14 together with a connecting member which may be a bolt or the like.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, at least two screw rods 5 are symmetrically disposed. The symmetrically arranged lead screws 5 enable the cleaning device to be more stable during operation, and the plurality of lead screws 5 can increase the sliding driving force of the lifting ring 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, which further includes: the water spray pipe 17 is arranged on the lifting ring 4 around the middle shaft of the lifting ring 4, the water spray pipe 17 is provided with a water spray opening 17-1, and the water spray opening 17-1 sprays water to the inner side of the lifting ring 4 and the outside respectively;
one end of the flexible hose 16 is connected with the spray pipe 17, and the other end is connected with the water inlet of the washing machine. A water inlet valve of the washing machine is started, water is injected into a water spray pipe 17 through a flexible hose 16, water spray ports 17-1 on the water spray pipe 17 spray water to an inner cylinder 13 and an outer cylinder 14, meanwhile, a driving motor 1 is started, a lead screw 5 rotates and drives a lifting ring 4 to slide up and down, an inner cylinder brush 3 and an outer cylinder brush 6 respectively clean the outer wall of the inner cylinder 13 and the inner wall of the outer cylinder 14, and water flow sprayed from the water spray ports 17-1 can flush the cleaned dirt. When the lifting ring 4 moves up and down, the flexible hose 16 stretches as required, so that the space is saved.
The invention also provides a washing machine comprising any one of the washing machine cleaning devices.
The cleaning device of the washing machine provided by the invention has the beneficial effects that: compared with the prior art, the cleaning device of the washing machine only needs to be arranged between the inner cylinder 13 and the outer cylinder 14 of the washing machine, after the lifting driving mechanism is started, the lifting driving mechanism drives the lifting ring 4 to lift, the lifting ring 4 is driven to slide up and down according to different steering directions of the lifting driving mechanism, the hairbrushes on the lifting ring 4 are respectively contacted with the outer wall of the inner cylinder 13 and the inner wall of the outer cylinder 14, and dirt on the outer wall of the inner cylinder 13 and dirt on the inner wall of the outer cylinder 14 are removed under the action of friction force. When the device is used for cleaning, the inner barrel 13 of the washing machine does not need to be disassembled to clean, and the operation is convenient. Meanwhile, the washing machine is cleaned by a physical method, so that the corrosion to the cylinder wall of the washing machine is avoided, and the secondary pollution caused by chemical cleaning is also avoided.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A washing machine cleaning device, comprising:
the inner ring of the lifting ring is provided with an inner barrel brush for cleaning the outer wall of the inner barrel, and the outer ring of the lifting ring is provided with an outer barrel brush for cleaning the inner wall of the outer barrel; and
and the lifting driving mechanism is used for driving the lifting ring to lift.
2. The washing machine cleaning apparatus as claimed in claim 1, wherein the elevation driving mechanism comprises:
a drive motor;
the lead screw is connected with the driving motor, and the lifting ring is in threaded fit with the lead screw;
the top disc is positioned at the top end of the lead screw and is rotationally connected with the lead screw; and
the base is fixedly connected to the washing machine body and located at the bottom end of the lead screw, and the lead screw is rotatably connected with the base.
3. The washing machine cleaning apparatus as claimed in claim 2, wherein the elevation driving mechanism further comprises:
the guide shaft is parallel to the lead screw, two ends of the guide shaft are fixedly mounted with the top disc and the base respectively, the lifting ring is connected with the guide shaft in a sliding mode, and the guide shaft is used for guiding the lifting ring.
4. The washing machine cleaning apparatus as claimed in claim 3, wherein the elevation driving mechanism further comprises:
the guide sleeve is fixed with the lifting ring and is in sliding fit with the guide shaft.
5. The washing machine cleaning apparatus as claimed in claim 2, wherein the elevation driving mechanism further comprises:
the sliding sleeve is fixedly installed with the lifting ring, and the sliding sleeve is in threaded fit with the lead screw.
6. The washing machine cleaning apparatus as claimed in claim 1, wherein the cleaning apparatus further comprises:
the ultraviolet germicidal lamp is arranged on the base or the top plate.
7. The washing machine cleaning apparatus as claimed in claim 1, wherein the cleaning apparatus further comprises:
the fixing piece is arranged at the bottom of the base and used for fixing the cleaning device with the washing machine.
8. The washing machine cleaning apparatus as claimed in claim 2, wherein the screw shafts are provided in at least two and symmetrically.
9. The washing machine cleaning apparatus as claimed in claim 1, wherein the cleaning apparatus further comprises:
the water spray pipe is arranged on the lifting ring around the middle shaft of the lifting ring, and is provided with water spray ports which spray water to the inner side and the outer side of the lifting ring respectively; and
one end of the flexible hose is connected with the water spray pipe, and the other end of the flexible hose is connected with a water inlet of the washing machine.
10. Washing machine characterized in that it comprises a washing machine cleaning device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112666.1A CN111304878A (en) | 2020-02-24 | 2020-02-24 | Washing machine cleaning device and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112666.1A CN111304878A (en) | 2020-02-24 | 2020-02-24 | Washing machine cleaning device and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111304878A true CN111304878A (en) | 2020-06-19 |
Family
ID=71151078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112666.1A Pending CN111304878A (en) | 2020-02-24 | 2020-02-24 | Washing machine cleaning device and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111304878A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205463358U (en) * | 2016-01-27 | 2016-08-17 | 六面体（天津）建筑工程有限公司 | Photovoltaic roofing cleaning device |
| CN106180018A (en) * | 2016-08-27 | 2016-12-07 | 邵鹏程 | A kind of animal husbandry domestic animal livestock shed device for high-efficiency cleaning |
| CN208183352U (en) * | 2018-05-18 | 2018-12-04 | 宁波金帅集团有限公司 | A kind of stainless steel interior bucket automatic washing machine |
| CN109108030A (en) * | 2018-10-29 | 2019-01-01 | 响水县泽州开发有限公司 | A kind of cosmetic bottle vial automatic flushing device |
-
2020
- 2020-02-24 CN CN202010112666.1A patent/CN111304878A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205463358U (en) * | 2016-01-27 | 2016-08-17 | 六面体（天津）建筑工程有限公司 | Photovoltaic roofing cleaning device |
| CN106180018A (en) * | 2016-08-27 | 2016-12-07 | 邵鹏程 | A kind of animal husbandry domestic animal livestock shed device for high-efficiency cleaning |
| CN208183352U (en) * | 2018-05-18 | 2018-12-04 | 宁波金帅集团有限公司 | A kind of stainless steel interior bucket automatic washing machine |
| CN109108030A (en) * | 2018-10-29 | 2019-01-01 | 响水县泽州开发有限公司 | A kind of cosmetic bottle vial automatic flushing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021087664A1 (en) | B-scan probe cleaning and disinfecting device having rotating structure, and use method therefor | |
| JP2020179385A (en) | Subdivision bottle disinfection device | |
| CN107597757B (en) | Medical test tube cleaning and sterilizing device | |
| CN211990000U (en) | Sterilizing device for medical instruments | |
| CN111906101A (en) | High-efficient type self-cleaning garbage bin equipment | |
| CN214761002U (en) | Gastroscope tube disinfection belt cleaning device for gastroenterology | |
| CN212041860U (en) | Medical test tube cleaning and sterilizing device | |
| CN108670441A (en) | A kind of clinical operation surgical instruments cleaning device | |
| CN113172029A (en) | Novel medical instrument washs device | |
| US20220175197A1 (en) | Hand washing, disinfection and automatic massage machine, and method of operating the same | |
| CN111304878A (en) | Washing machine cleaning device and washing machine | |
| CN208910099U (en) | A kind of mop chlorination equipment | |
| CN208958009U (en) | With sterilizing function floor cleaning machine | |
| CN211338884U (en) | Ultraviolet sterilizer convenient to wash | |
| CN116999589A (en) | Clinical examination apparatus disinfection device | |
| CN213141473U (en) | Ultraviolet sterilizer | |
| CN109499951B (en) | Towel cleaner | |
| CN214133005U (en) | Emergency department disinfection nursing cabinet | |
| CN211311912U (en) | Washing machine with antibacterial and mildewproof functions | |
| CN114098477B (en) | Household quartz stone hand washing basin table cabinet and using method | |
| CN209006337U (en) | A kind of automatically washing and sterilizing device for steady-flow tank inner tank wall | |
| CN208677907U (en) | A kind of clinical ophthalmology eyeball flusher | |
| CN211675521U (en) | Automatic change nursing apparatus and soak disinfection stoving utensil | |
| CN215031485U (en) | Postoperative disinfection cleaning device is used in nursing of negative pressure formula anesthesia branch of academic or vocational study | |
| CN211673911U (en) | Multifunctional anti-infection hand washing cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
|
| RJ01 | Rejection of invention patent application after publication |