CN112718362A - Water mist generating assembly and water mist generating method - Google Patents
Water mist generating assembly and water mist generating method Download PDFInfo
- Publication number
- CN112718362A CN112718362A CN202011580014.7A CN202011580014A CN112718362A CN 112718362 A CN112718362 A CN 112718362A CN 202011580014 A CN202011580014 A CN 202011580014A CN 112718362 A CN112718362 A CN 112718362A
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- Prior art keywords
- water mist
- liquid
- pipe body
- cavity
- mist generating
- 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.)
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Links
- 239000003595 mist Substances 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims description 10
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 239000007921 spray Substances 0.000 claims abstract description 33
- 239000006185 dispersion Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000645 desinfectant Substances 0.000 description 10
- 238000004659 sterilization and disinfection Methods 0.000 description 8
- 238000005187 foaming Methods 0.000 description 5
- 230000002421 anti-septic effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/02—Sprayers or atomisers specially adapted for therapeutic purposes operated by air or other gas pressure applied to the liquid or other product to be sprayed or atomised
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/20—Non-portable devices, e.g. spraying booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a water mist generation assembly, which is characterized by comprising: the liquid flow guide structure comprises a base body, wherein a water mist generation cavity and a spray hole corresponding to the water mist generation cavity are formed in the base body, and a plurality of flow guide channels communicated with the spray hole are formed in the water mist generation cavity; the liquid dispersion structure comprises a pipe body with a closed lower end, and a plurality of liquid dispersion holes are formed in the lower end of the pipe body; the pipe body is positioned on the base body, the lower end of the pipe body corresponds to the position of a liquid inlet port of the water mist generation cavity, a cavity is formed between the lower end face of the pipe body and the inner bottom face of the water mist generation cavity, and liquid entering the pipe body under the action of pressure forms water mist to be discharged after passing through the liquid dispersion hole, the cavity, the flow guide channel and the spray hole. Its water smoke generates the simple structure of subassembly to for integrated form structure, make easy dismounting, the equipment of being convenient for, the efficiency that water smoke generated is higher moreover, and the water smoke effect that generates is preferred.
Description
Technical Field
The invention relates to the technical field of discharging liquid converted into water mist, in particular to a water mist generating assembly and a water mist generating method.
Background
Personnel in public occasions such as hospitals often need disinfect the hand, prevent propagation and cross infection of virus, what commonly adopts in public occasions such as hospitals now is that the disinfection bottle of push type disinfects, however the user goes out the liquid and disinfects after pressing the disinfection bottle, consequently press and lead to the disinfection bottle easily to receive the infection, make the requirement of medical staff's convenience in the disinfection process can not be satisfied well to push type disinfection bottle, thereby delay the disinfection time, bring very big work degree of difficulty for medical staff, people developed a antiseptic solution machine of automatic play antiseptic solution in view of above-mentioned defect, its drawing liquid pump passes through the transfer line and extracts the antiseptic solution in the antiseptic solution bottle to atomising head department spray out for the user carries out the hand disinfection with water smoke form blowout, however present spraying head structure is complicated, be not convenient for the dismouting to change.
Disclosure of Invention
The invention aims to provide a water mist generating assembly and a water mist generating method which are simple in structure, convenient to disassemble, assemble and replace and good in spraying effect, and the water mist generating assembly and the water mist generating method are designed for overcoming the defects of the technology.
The invention relates to a water mist generation assembly, which comprises:
the liquid flow guide structure comprises a base body, wherein a water mist generation cavity and a spray hole corresponding to the water mist generation cavity are formed in the base body, and a plurality of flow guide channels communicated with the spray hole are formed in the water mist generation cavity;
the liquid dispersion structure comprises a pipe body with a closed lower end, and a plurality of liquid dispersion holes are formed in the lower end of the pipe body;
the pipe body is positioned on the base body, the lower end of the pipe body corresponds to the position of a liquid inlet port of the water mist generation cavity, a cavity is formed between the lower end face of the pipe body and the inner bottom face of the water mist generation cavity, and liquid entering the pipe body under the action of pressure forms water mist to be discharged after passing through the liquid dispersion hole, the cavity, the flow guide channel and the spray hole.
Preferably, the plurality of liquid dispersion holes are provided in an annular array on the inner wall of the lower end of the tube or on the inner side surface of the closed portion of the lower end of the tube.
Preferably, the edge of the lower end face of the pipe body is provided with a plurality of through holes which are respectively communicated with the liquid dispersion holes on the inner wall of the lower end of the pipe body, and the through holes are arranged in an annular array.
Preferably, the lower end of the pipe body is inserted into the water mist generation cavity, and the peripheral side face of the lower end of the pipe body is attached to the inner wall of the water mist generation cavity.
Preferably, the upper end bottom surface of the spray hole is provided with a downwardly convex arc surface.
Preferably, the inner bottom surface of the water mist generation cavity is provided with a positioning groove communicated with the mist spraying hole and the flow guide channel respectively, the outer side surface of the lower end sealing part of the pipe body is provided with a positioning column corresponding to the positioning groove in position, the positioning column is correspondingly inserted into the positioning groove, the peripheral side surface of the positioning column is attached to the inner wall of the positioning groove, the opening part communicated with the positioning groove on the flow guide channel is sealed, and the lower end surface of the positioning column body is provided with a downward convex arc surface.
Preferably, the diameter of the lower port of the spray hole is smaller than the inner diameter of the spray hole.
Preferably, the lower section of the spray hole is a tapered hole, and the diameter of the lower port of the tapered hole is smaller than that of the upper port.
Preferably, the plurality of flow guide channels are arranged in an annular array, and the inner side end of the outer inner wall of each flow guide channel is tangent to the spray hole.
Preferably, the upper port of the water mist generating cavity on the base body is provided with a positioning ring groove, the pipe body is provided with a positioning ring body, and the positioning ring body is fixed in the positioning ring groove.
As another aspect, a water mist generation method is characterized by comprising the following specific steps:
liquid enters the pipe body under the action of pressure, and the liquid in the pipe body respectively enters the cavity of the liquid diversion structure in a distributed manner through the plurality of liquid dispersion holes;
liquid in the cavity is discharged through the guide channels under the action of liquid pressure, and a plurality of liquid discharged from the guide channels quickly flows spirally along the inner wall of the spray hole and flows to the lower port of the spray hole to be discharged, and the liquid is scattered instantly to form water mist for a user to use when the liquid is discharged.
According to the water mist generating assembly and the water mist generating method, the water mist generating assembly is simple in structure and is of an integrated structure, so that the water mist generating assembly is convenient to disassemble and assemble, the water mist generating efficiency is high, and the generated water mist effect is good.
Drawings
FIG. 1 is a schematic structural diagram (I) of a foaming device;
FIG. 2 is a schematic structural view of a foaming device (II);
FIG. 3 is an exploded view of the foaming device;
FIG. 4 is an exploded view of the foaming device (II);
fig. 5 is an exploded view of the foaming device (iii);
fig. 6 is a schematic structural view of the hand sanitizer machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention. Example (b):
as shown in the drawings, the water mist generating assembly described in the embodiment includes a liquid guiding structure 1 and a liquid dispersing structure 2, the liquid guiding structure 1 includes a base 11, a water mist generating cavity 12 and a spraying hole 14 corresponding to the position of the water mist generating cavity 12 are disposed on the base 11, and a plurality of guiding channels 122 communicated with the spraying hole 14 are disposed on the water mist generating cavity 12; the liquid dispersion structure 2 comprises a pipe body 21 with a closed lower end, and a plurality of liquid dispersion holes 22 are formed in the lower end of the pipe body 21; the pipe body 21 is positioned on the base body 11, the lower end of the pipe body 21 corresponds to the position of a liquid inlet port of the water mist generation cavity 12, a cavity 121 is formed between the lower end face of the pipe body 21 and the inner bottom face of the water mist generation cavity 12, the pipe body 21 is connected and communicated with a liquid outlet end of a liquid pump of a disinfectant machine through a connecting pipe, the liquid inlet end of a liquid pump 102 of the disinfectant machine 100 is connected and communicated with a disinfectant bottle 101 storing disinfectant through a connecting pipe, the disinfectant in the disinfectant bottle 101 is pumped out by the liquid pump 102 and discharged into the pipe body 21, and therefore liquid entering the pipe body under the action of liquid pumping pressure of the liquid pump forms water mist to be discharged after passing through a liquid dispersion hole, the cavity, a diversion channel and a spray hole; the multiple diversion channels are arranged in an annular array, the inner side end of the outer inner wall of each diversion channel is tangent to the spray hole, so that water entering the spray hole flows spirally along the inner wall of the spray hole, and the water is scattered to form water mist when reaching the lower port of the spray hole.
In this embodiment, the liquid dispersion holes 22 are arranged in a circular array on the inner wall of the lower end of the pipe 11, and after the lower end of the pipe 11 is inserted into the mist generating chamber 12, a gap must be formed between the outer peripheral side of the lower end of the pipe 11 and the mist generating chamber 12, so that the liquid is discharged into the cavity through the liquid dispersion holes, wherein the number of the liquid dispersion holes is six.
In another embodiment, the liquid dispersing holes 22 are disposed in an annular array on the inner side of the lower end closing portion 24 of the tube 21, and after the lower end of the tube 21 is inserted into the mist generating chamber 12, the outer peripheral side of the lower end of the tube 21 can be attached to the inner wall of the mist generating chamber 12, so that the liquid is dispersed and discharged into the cavity 121 through the liquid dispersing holes 22 of the lower end closing portion 24 of the tube 21, wherein the number of the liquid dispersing holes is six.
In another embodiment, the lower end face edge of the pipe body 21 is provided with a plurality of through holes 221 respectively communicated with the liquid dispersion holes 22 on the inner wall of the lower end of the pipe body 21, and the through holes 221 are arranged in an annular array, after the lower end of the pipe body 21 is inserted into the water mist generation cavity 12, the outer peripheral side face of the lower end of the pipe body 21 can be attached to the inner wall of the water mist generation cavity 12, the structure of the pipe body increases the size of each liquid dispersion hole 22, so that the liquid discharge amount is increased, the spraying efficiency is higher, the purpose of rapidly discharging liquid into the cavity is achieved, and the liquid dispersion holes and the through holes are arranged to be six.
In the embodiment, the bottom surface of the upper end of the spraying hole 14 is provided with a downwardly convex arc surface 231, which ensures that the cross section of the flow guide channel 122 forms a closed loop, thereby achieving the best spraying effect, reducing the requirements on the production process, and improving the productivity and the qualification rate.
Further, the inner bottom surface of the water mist generating cavity 12 is provided with a positioning groove 15 communicated with the spraying hole 14 and the flow guide channel 122, the outer side surface of the lower end sealing part 24 of the pipe body 21 is provided with a positioning column 23 corresponding to the positioning groove 15, the positioning column 23 is correspondingly inserted into the positioning groove 15, and the peripheral side surface of the positioning column 23 is attached to the inner wall of the positioning groove 15, so that the opening part of the flow guide channel 122 communicated with the positioning groove 15 is sealed (the opening part of the flow guide channel 122 communicated with the spraying hole 14 is not sealed), the lower end surface of the positioning column 23 is provided with a downward convex arc surface 231.
In this embodiment, 14 lower sections of spraying holes are bell mouth 141, and the lower port diameter of bell mouth is less than the upper port diameter to make the lower port diameter in spraying holes be less than the internal diameter in spraying holes, it carries out the pressure boost to the water smoke blowout, with higher efficiency in order to reach water smoke, and mix with certain pressure and spray at human hand, thereby promote the result of use.
In this embodiment, the base 11 has a water mist generation cavity 12, the upper port of which is provided with a positioning ring groove 13, the pipe body 21 is provided with a positioning ring body 25, the positioning ring body 25 is fixed in the positioning ring groove 13, wherein the positioning ring body 25 is fixed to the inner wall of the positioning ring groove 13 by ultrasonic welding, so that the positioning ring body 25 is firmly and reliably fixed, and the base 11 is further provided with a positioning hole, so that the base can be fixedly connected with the disinfectant through the positioning hole.
As another embodiment, when the water mist generating assembly is applied to a disinfection machine, a specific water mist generating method specifically includes the following steps:
the liquid pump pumps the disinfectant in the disinfectant bottle and discharges the disinfectant into the tube body, so that liquid enters the tube body under the action of pressure, and the liquid in the tube body is distributed and enters the cavity of the liquid guide structure through the liquid distribution holes; the steps can reduce the liquid flow, change the liquid flowing direction and buffer the liquid under the condition of ensuring that the pressure (liquid pump) is unchanged in advance, thereby further effectively improving the effect of spraying water mist by the spray head and improving the service performance.
Liquid in the cavity is discharged through the guide channels under the action of liquid pressure, and a plurality of liquid discharged from the guide channels quickly flows spirally along the inner wall of the spray hole and flows to the lower port of the spray hole to be discharged, and the liquid is scattered instantly to form water mist for a user to use when the liquid is discharged.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. A water mist generating assembly, comprising:
the liquid flow guide structure comprises a base body, wherein a water mist generation cavity and a spray hole corresponding to the water mist generation cavity are formed in the base body, and a plurality of flow guide channels communicated with the spray hole are formed in the water mist generation cavity;
the liquid dispersion structure comprises a pipe body with a closed lower end, and a plurality of liquid dispersion holes are formed in the lower end of the pipe body;
the pipe body is positioned on the base body, the lower end of the pipe body corresponds to the position of a liquid inlet port of the water mist generation cavity, a cavity is formed between the lower end face of the pipe body and the inner bottom face of the water mist generation cavity, and liquid entering the pipe body under the action of pressure forms water mist to be discharged after passing through the liquid dispersion hole, the cavity, the flow guide channel and the spray hole.
2. The mist generator assembly of claim 1, wherein the plurality of liquid dispersion holes are disposed in an annular array on the inner wall of the lower end of the tube or on the inner side of the closed portion of the lower end of the tube.
3. The water mist generating module as claimed in claim 2, wherein the lower end edge of the tube has a plurality of through holes respectively communicating with the liquid dispersing holes on the inner wall of the lower end of the tube, and the plurality of through holes are arranged in a circular array.
4. The water mist generating assembly of claim 3, wherein the lower end of the tubular body is inserted into the water mist generating chamber, and the peripheral side of the lower end of the tubular body is attached to the inner wall of the water mist generating chamber.
5. The mist generating module as claimed in claim 1, wherein the upper end bottom surface of the spray hole is provided with a downwardly convex circular arc surface.
6. The mist generating module as claimed in claim 1, wherein the inner bottom surface of the mist generating chamber is provided with a positioning groove respectively communicating with the mist spraying hole and the guiding passage, the outer side surface of the lower end sealing portion of the tube body is provided with a positioning post corresponding to the positioning groove, the positioning post is correspondingly inserted into the positioning groove, the outer peripheral side surface of the positioning post is attached to the inner wall of the positioning groove, so that the opening portion of the guiding passage communicating with the positioning groove is sealed, and the lower end surface of the positioning post is provided with a downwardly convex arc surface.
7. A water mist generating assembly according to claim 1, wherein the diameter of the lower port of the spray hole is smaller than the inner diameter of the spray hole.
8. The assembly of claim 1, wherein the lower section of the spray orifice is a tapered orifice, and the diameter of the lower port of the tapered orifice is smaller than the diameter of the upper port.
9. The mist generating module according to any one of claims 1 to 8, wherein the plurality of guide passages are arranged in an annular array, and an inner end of an outer inner wall of each guide passage is tangent to the spray hole;
preferably, the upper port of the water mist generating cavity on the base body is provided with a positioning ring groove, the pipe body is provided with a positioning ring body, and the positioning ring body is fixed in the positioning ring groove.
10. A water mist generation method is characterized by comprising the following specific steps:
liquid enters the pipe body under the action of pressure, and the liquid in the pipe body respectively enters the cavity of the liquid diversion structure in a distributed manner through the plurality of liquid dispersion holes;
liquid in the cavity is discharged through the guide channels under the action of liquid pressure, and a plurality of liquid discharged from the guide channels quickly flows spirally along the inner wall of the spray hole and flows to the lower port of the spray hole to be discharged, and the liquid is scattered instantly to form water mist for a user to use when the liquid is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580014.7A CN112718362B (en) | 2020-12-28 | 2020-12-28 | Water mist generating assembly and water mist generating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580014.7A CN112718362B (en) | 2020-12-28 | 2020-12-28 | Water mist generating assembly and water mist generating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112718362A true CN112718362A (en) | 2021-04-30 |
| CN112718362B CN112718362B (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011580014.7A Active CN112718362B (en) | 2020-12-28 | 2020-12-28 | Water mist generating assembly and water mist generating method |
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| Country | Link |
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| CN (1) | CN112718362B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH646619A5 (en) * | 1977-10-14 | 1984-12-14 | Werding Winfried J | Spray nozzle |
| US20090230214A1 (en) * | 2006-05-17 | 2009-09-17 | Medmix System Ag | Dispensing Device with a Spray Assembly |
| CN103108703A (en) * | 2010-07-09 | 2013-05-15 | 阿普塔尔法国简易股份公司 | Spray head for a device for dispensing a fluid product |
| KR20170001223U (en) * | 2015-09-28 | 2017-04-06 | 배매동 | The mist nozzle |
| CN206548951U (en) * | 2016-08-29 | 2017-10-13 | 名高医疗器械（昆山）有限公司 | A kind of atomizer |
| CN210933225U (en) * | 2019-08-13 | 2020-07-07 | 中山市美捷时包装制品有限公司 | Nasal cavity cleaning actuator device |
| CN111729767A (en) * | 2020-07-10 | 2020-10-02 | 浙江埃玛电器科技有限公司 | Disinfection sprayer |
| CN215088377U (en) * | 2020-12-28 | 2021-12-10 | 喻建荣 | Water mist generation assembly |
-
2020
- 2020-12-28 CN CN202011580014.7A patent/CN112718362B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH646619A5 (en) * | 1977-10-14 | 1984-12-14 | Werding Winfried J | Spray nozzle |
| US20090230214A1 (en) * | 2006-05-17 | 2009-09-17 | Medmix System Ag | Dispensing Device with a Spray Assembly |
| CN103108703A (en) * | 2010-07-09 | 2013-05-15 | 阿普塔尔法国简易股份公司 | Spray head for a device for dispensing a fluid product |
| KR20170001223U (en) * | 2015-09-28 | 2017-04-06 | 배매동 | The mist nozzle |
| CN206548951U (en) * | 2016-08-29 | 2017-10-13 | 名高医疗器械（昆山）有限公司 | A kind of atomizer |
| CN210933225U (en) * | 2019-08-13 | 2020-07-07 | 中山市美捷时包装制品有限公司 | Nasal cavity cleaning actuator device |
| CN111729767A (en) * | 2020-07-10 | 2020-10-02 | 浙江埃玛电器科技有限公司 | Disinfection sprayer |
| CN215088377U (en) * | 2020-12-28 | 2021-12-10 | 喻建荣 | Water mist generation assembly |
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| Publication number | Publication date |
|---|---|
| CN112718362B (en) | 2023-12-15 |
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