CN206535016U - A kind of haze electric mask - Google Patents

A kind of haze electric mask Download PDF

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Publication number
CN206535016U
CN206535016U CN201720166677.1U CN201720166677U CN206535016U CN 206535016 U CN206535016 U CN 206535016U CN 201720166677 U CN201720166677 U CN 201720166677U CN 206535016 U CN206535016 U CN 206535016U
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CN
China
Prior art keywords
filter
housing
drain pan
air
electric mask
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
CN201720166677.1U
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Chinese (zh)
Inventor
林诒东
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.)
Huizhou Restoration Intelligent Equipment Co Ltd
Original Assignee
Huizhou Restoration 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.)
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Priority to CN201720166677.1U priority Critical patent/CN206535016U/en
Application granted granted Critical
Publication of CN206535016U publication Critical patent/CN206535016U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This application discloses a kind of haze electric mask, it includes silica gel mask, filter and two ear bands, filter includes housing, multiple breather valves, exhausting module and filter screen module, housing includes drain pan and upper casing, the lower end of drain pan is provided with multiple first row stomatas, and upper casing is provided with air inlet and multiple second row stomatas;Multiple breather valves are located at the inner side of housing and correspond to multiple first row stomatas respectively;Exhausting module includes fixed shell, motor, wind wheel and control assembly;Filter screen module includes fixed mount and the detachable filter layer for being arranged at fixed mount.The haze electric mask of the application is simple in construction, is connected between housing by buckle-type, convenient disassembly, improves processing efficiency;By the structure of induction less brush-less motor and wind wheel, make air-flow soft and reduce the noise of operation;The passage of air inlet and exhaust is independent, it is ensured that the air of suction it is pure and fresh;Pass through multiple filtration structured filter air, it is ensured that air cleaning, filter layer, which detachably facilitates, to be replaced.

Description

A kind of haze electric mask
Technical field
The application belongs to mouth mask technical field, specifically, is related to a kind of haze electric mask.
Background technology
As air quality now declines increasingly, there is haze weather in increasing city, due to existing in haze Substantial amounts of dust, pollen, heavy metal particles, gas pollutant, bacterium etc., people suck this air for a long time, serious to threaten Human body it is healthy.So people are filtered by using mouth mask come the air to pollution, to ensure the health of human body.Mesh Preceding mouth mask used in everyday mainly has cotton yarn mouth mask and the electric mask occurred in recent years, and wherein cotton yarn mouth mask is although with low cost, But due to being the active breathing of user, the barrier of mouth mask makes user's breathing have some setbacks, and because mouth mask directly connects with face Touch, user easily perspires and muggy and oppressive after long-time is worn, while the mouth mask can not be recycled.Electric mask passes through Motor exhausting aids in user to breathe, and improves the breathing smooth degree of user, but the structure that existing electric mask has is answered Miscellaneous, inconvenience assembling, volume are necessarily large and bulky, or have the shortcomings that the noise of motor is excessive and wind speed is not soft enough so that made User wears uncomfortable.
Utility model content
For deficiency of the prior art, the purpose of this utility model is to provide a kind of haze electric mask.
In order to solve the above-mentioned technical problem, this application discloses a kind of haze electric mask, it includes
Silica gel mask, it is positive open with first, and its back side has the second open, the first opening and the second opening phase It is logical;
Filter, be detachably arranged at silica gel mask positive first is open;And
Two ear bands, are removably connected to the both sides of filter respectively, and two ear bands are respectively equipped with perforation;
Wherein filter includes housing, multiple breather valves, exhausting module and filter screen module, and housing includes drain pan and card is set In the upper casing of drain pan, the lower end of drain pan is provided with multiple first row stomatas, and upper casing is provided with air inlet and positioned at the lower section of air inlet Multiple second row stomatas, multiple second row stomatas and multiple first row stomatas are corresponding respectively;Multiple breather valves are located at the interior of housing Side and respectively correspond to be covered on multiple first row stomatas;Exhausting module is arranged at case inside and correspondence air inlet, and it includes solid Fixed shell, the motor being arranged on the inside of fixed shell, be sheathed on motor output shaft wind wheel and be electrically connected with motor control Component, the side of fixed shell is provided with air intake vent, and the top of fixed shell is provided with air outlet;Filter screen module is arranged at the outer of housing Side and correspondence air inlet, it includes fixed mount and the detachable filter layer for being arranged at fixed mount.
According to the embodiment of the application, above-mentioned motor is induction less brush-less motor.
According to the embodiment of the application, above-mentioned wind wheel include wheel hub, multiple airflow fences, multiple energy dissipating holes, wheel frame and Fan blade circle, wheel hub includes groove and the in the grooves axis hole in portion, and multiple airflow fences are radially disposed at the outer peripheral face of wheel hub, Multiple energy dissipating holes are arranged at intervals between multiple airflow fences, and wheel frame and wheel hub is coaxial and is connected with one end of multiple airflow fences, wind Leaf circle is arranged at the end face of wheel frame, and wherein fan blade circle includes multiple fan blades and the retainer ring being sheathed on the outside of multiple fan blades.
According to the embodiment of the application, the front of above-mentioned silica gel mask has neck, and the side of drain pan is provided with chuck, Chuck is embedded in neck;The outside of upper casing is provided with block, and block is located at the top of multiple second row stomatas.
According to the embodiment of the application, above-mentioned multiple breather valves are silica gel piece, and its shape and size respectively with it is many The shape and size of individual steam vent are identical.
According to the embodiment of the application, the both sides of above-mentioned drain pan are respectively equipped with multiple fixed columns, the one of two ear bands Side is respectively equipped with multiple fixing holes, and multiple fixed columns of drain pan both sides are arranged in multiple fixing holes of two ear bands respectively.
According to the embodiment of the application, the end face of above-mentioned two ear bands is respectively equipped with VELCRO.
According to the embodiment of the application, in addition to trim, trim is arranged at the side of filter screen module and lid is set In the outside of upper casing.
According to the embodiment of the application, the side wall of the drain pan of above-mentioned housing is provided with multiple hole clippings, and the side wall of upper casing is set There are multiple card columns, multiple card columns are arranged in multiple hole clippings.
According to the embodiment of the application, above-mentioned filter layer includes filter cotton, the work for being laminated connection one by one from outside to inside Property layer of charcoal, the first acupuncture layer of cloth, the second acupuncture layer of cloth and waterproof layer;Fixed mount is metal, including the upper ledge mutually fastened and bottom Frame.
The haze electric mask of the application is simple in construction, is connected between housing by buckle-type, convenient disassembly, improves processing Efficiency;Being connected together between silica gel mask and housing improves the air-tightness of housing;Pass through induction less brush-less motor and wind wheel Structure, makes air-flow soft comfortable and reduction operation noise;The passage of air inlet and exhaust is independent, it is ensured that the air of suction it is clear Newly;Pass through multiple filtration structured filter air, it is ensured that air cleaning, filter layer, which detachably facilitates, to be replaced;Wear convenient and swift steady Gu, silica gel mask and ear band are detachably easy to cleaning.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the schematic diagram of the haze electric mask of the embodiment of the application.
Fig. 2 is the explosive view of the haze electric mask of the embodiment of the application.
Fig. 3 is the schematic diagram of the silica gel mask of the embodiment of the application.
Fig. 4 is the schematic diagram of the exhausting module of the embodiment of the application.
Fig. 5 is the schematic diagram of the drain pan of the embodiment of the application.
Fig. 6 is the explosive view of the exhausting module of the embodiment of the application.
Fig. 7 is the schematic diagram of the wind wheel of the embodiment of the application.
Fig. 8 is another schematic diagram of the wind wheel of the embodiment of the application.
Fig. 9 is the schematic diagram of the filter screen module of the embodiment of the application.
Figure 10 is the assembling figure of the filter screen module of the embodiment of the application.
Figure 11 is the sectional view of the filter layer of the embodiment of the application.
Embodiment
Multiple embodiments of the application, as clearly stated, the details in many practices will be disclosed with schema below It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also It is to say, in some embodiments of the application, the details in these practices is non-essential.In addition, for the sake of simplifying schema, Some known usual structures will illustrate it in simply illustrative mode in the drawings with component.
On its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, it is also non-to use To limit the application, its component described just for the sake of difference with constructed term or operation.
The application provides a kind of haze electric mask, refers to Fig. 1, Fig. 2 and Fig. 3, and it is the reality of the application respectively Apply the schematic diagram of the schematic diagram, explosive view and silica gel mask of the haze electric mask of mode;As illustrated, the application's is antifog Haze electric mask includes silica gel mask 1, filter 2 and two ear bands 3, and wherein face of the silica gel mask 1 away from face is front 11, the face fitted with face is the back side 12, and front 11 has the first opening 111, and the back side 12 has the second opening 121;Filtering dress Put 2 and be removable installed in the first open-mouth 111;Two ear bands 3 are removably connected to the both sides of filter 2, two ear bands 3 Perforation 31 is respectively equipped with, two perforation 31 are used for the ears for being sheathed on user.
Also referring to Fig. 4, it is the schematic diagram of the drain pan of the embodiment of the application.Further, filter 2 Including housing 21, multiple breather valves 22, exhausting module 23 and filter screen module 24, housing 21 includes drain pan 211 and is arranged in drain pan 211 upper casing 212, the lower end of drain pan 211 is provided with multiple first row stomatas 2111, and the side wall of drain pan 211 is provided with multiple hole clippings 2112, the side wall of upper casing 212 is provided with multiple card columns 2121, and multiple card columns 2121 are arranged in multiple hole clippings 2112;Upper casing 212 is provided with Air inlet 2122 and multiple second row stomatas 2123 positioned at the lower section of air inlet 2122.Multiple breather valves 22 are located at housing 21 Inner side, multiple first row stomatas 2121 are respectively equipped with support column 21211, and multiple breather valves 22 are sheathed on support column 21211 respectively And correspondingly it is covered on multiple first row stomatas 2121, multiple breather valves 22 are silica gel piece, and its shape and size and multiple exhausts The shape and size in hole 2123 are identical, so as to keep the sealing of housing 21 during suction condition, prevent non-purified air Enter from steam vent 2123 in housing 21.Further, the front 11 of silica gel mask 1 has neck 13, the side of drain pan 211 Provided with chuck 2113, in the insertion neck 13 of chuck 2113, strengthen the sealing of electric mask, thus prevent unfiltered air from Silica gel mask 1 and the junction of drain pan 211 enter in electric mask.
More specifically, also referring to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, it is taking out for the embodiment of the application respectively Another schematic diagram of the schematic diagram of wind module, the schematic diagram of explosive view and wind wheel and wind wheel;As illustrated, exhausting module 23 is set In the inner side of housing 21 and correspondence air inlet 2122, it includes fixed shell 231, is arranged at the motor of the inner side of fixed shell 231 232nd, it is sheathed on the wind wheel 233 of the output shaft of motor 232 and is electrically connected with the control assembly 234 of motor 232.Fixed shell 231 Including the upper lid 2311 and lower cover 2312 mutually fastened, upper lid 2311 is provided with air intake vent 23111, and the top of fixed shell 231 is set There is air outlet 23112.Preferably, the end face of upper lid 2311 is provided with boss 23113, air inlet of the boss 23113 from upper casing 212 2122 expose, so that closely being fastened between the upper lid 2311 and upper casing 212 of exhausting module 23, improve the air-tightness of housing 21, Prevent unfiltered air from entering in housing 21.Motor 232 is induction less brush-less motor, and induction less brush-less motor has small volume, low The advantages of disturbing small electromagnetic noise, smooth movements, small low-loss and the long lifespan of rubbing.Wind wheel 233 includes wheel hub 2331, multiple led Grid 2332, multiple energy dissipating holes 2333, wheel frame 2334 and fan blade circle 2335 are flowed, wheel hub 2331 includes groove 23311 and positioned at groove The axis hole 23312 at 23311 middle parts, multiple airflow fences 2332 are radially disposed at the outer peripheral face of wheel hub 2331, multiple energy dissipating holes 2333 are arranged at intervals between multiple airflow fences 2332, and wheel frame 2334 and wheel hub 2331 is coaxial and with the one of multiple airflow fences 2332 End connection, fan blade circle 2335 is arranged at the end face of wheel frame 2334, and wherein fan blade circle 2335 includes multiple fan blades 23351 and is sheathed on The retainer ring 23352 in multiple outsides of fan blade 23351.Motor 232 is arranged in the groove 23311 of wind wheel 233, and motor shaft is arranged in The axis hole 23312 at the middle part of groove 23311.Air-flow is disperseed by multiple fan blades 23351 and airflow fence 2332, so that soft Wind-force, wind-force is adjusted to naturally comfortable effect.Control assembly 234 includes control circuit board 2341 and battery pack 2342, control Wiring board 2341 processed is electrically connected with motor 232 and the rotating speed of regulation motor 232, to meet need of the user to different wind speed Ask;Charged by circumscribed USB data wire to battery pack 2342, reach the purpose of recycling.Control circuit board 2341 is arranged at The bottom of housing 21, the direct touch control of convenient use person.
Further, also referring to Fig. 9, Figure 10 and Figure 11, it is the filter screen mould of the embodiment of the application respectively The sectional view of schematic diagram, explosive view and the filter layer organized;As illustrated, filter screen module 24 is arranged at the outside of housing 21 and correspondingly Air inlet 2122.Filter screen module 24 includes fixed mount 241 and the detachable filter layer 242 for being arranged at fixed mount 241.Fixed mount 241 upper ledges 2411 and underframe 2412 including mutually fastening, upper ledge 2411 and underframe 2412 are metal, pass through upper ledge 2411 and bottom Frame 2412 clamps filter layer 242, meanwhile, by dismantling the i.e. replaceable filter layer 242 of upper ledge 2411 and underframe 2412.Filter layer 242 include being laminated filter cotton 2421, active carbon layer 2422, the first acupuncture layer of cloth 2423, the second pin of connection one by one from outside to inside Thorn cloth layer 2424 and waterproof layer 2425.Impurity of the filter cotton 2421 to obstruct bulky grain, such as dust, filament;Activated carbon 2422 to adsorb peculiar smell and sterilization;First acupuncture layer of cloth 2423 is identical with the structure of the second acupuncture layer of cloth 2424, by double Layer acupuncture layer of cloth absorption diameter is less than 2.5 microns of toxic granular;The waterproof layer 2425 of innermost layer is adhesive-bonded fabric, to prevent from exhaling Go out steam immersion filter layer 242 other structures layer, it is to avoid steam to the cold after other structures layer condense, so as to block filtering Layer 242.By multiple filtration structure, the cleannes of suction air are improved, the health of human body is protected.Preferably, in housing 21 Outside is additionally provided with trim 213, and trim 213 is arranged in upper casing 212 by buckle, passes through the surface rendering in trim 213 Pattern, strengthens the aesthetics and interest of electric mask.
More specifically, again refering to Fig. 2, the side of two ear bands 3 is respectively equipped with multiple fixing holes 32, the both sides of drain pan 211 Multiple fixed columns 2112 be arranged in multiple fixing holes 32 of two ear bands 3 respectively, so that two ear bands 3 are fixed on into drain pan 211 both sides, are placed after two ear bands 3, then fasten the fixation that upper casing 212 completes ear band 3.Preferably, two ear bands 3 are latent Water material, by using Neoprene so that the characteristics of ear band 3 has soft, insulation, waterproof, comfortable wearing, are easy to cleaning.Simultaneously can By thermal transfer in printing pattern on ear band 3, the aesthetics of ear band 3 is improved.Alternatively, the end face of two ear bands 3 is respectively equipped with VELCRO 33, by the further mutually fastening of two VELCROs 33 after wearing, wears user more firm.
In actual applications, when user use the application haze electric mask when, by two ear bands 3 respectively around to Face both sides, and the perforation 31 of ear band 3 is sheathed on ear, now the back side 12 of silica gel mask 1 is affixed with face.Silica gel mask 1 shape is up-narrow and down-wide, is adapted with the muffle of face, user makes it by manually adjusting silica gel mask 1 to appropriate location Fitted with face, that is, complete to wear.By the switch for the control assembly 234 for starting the bottom of housing 21, so as to start motor 232 operating.Motor 232 drives wind wheel 233 to operate, and air formation air-flow is evacuated in housing 21.Air is from silica gel mask 1 Front enters housing 21, filter screen module 24 is first flowed through, after the multiple filtration structured filter of filter layer 242, into exhausting mould Group 23.Air after filtering through the upper lid 2311 of exhausting module 23 air intake vent 23111, then by wind wheel 233 by air-flow from solid The air outlet 23112 on the top of fixed shell 231 is thrown away.Preferably, it is provided with the air outlet 23112 on the top of fixed shell 231 Multiple barrier posts 23113 separately, further weaken air-flow by obstructing post 23113, make wind-force soft, while eliminating air In electrostatic.Air flows out from exhausting module 23 immediately, flows into the back side 12 of silica gel mask 1, flows into face and the shape of silica gel mask 1 Into chamber in, user can breathe the pure air after filtering.At the same time, user's exhaled gas, the gas of exhalation Stream blows afloat breather valve 22, is discharged from multiple first row stomatas 2111 of the lower end of drain pan 211, then from the second row stomata of upper casing 212 2123 drain into outdoor, that is, the air sucked and the air of discharge to flow through passage different, it is to avoid the two is mixed, it is ensured that the sky of suction The cleanliness factor of gas.At the same time, the outside of upper casing 212 is provided with block 2124, and block 2124 is located at multiple second row stomatas 2123 Top so that the gas for blocking exhalation is flowed up and is drawn into again in electric mask.
After the haze electric mask of the application uses a period of time, the effectiveness of filter layer is reduced, it is necessary to replace.Use The trim 213 of person's manual removal housing 21, you can take out filter screen module 24, then dismantle the fixed mount of filter screen module, you can take Go out the filter layer after use 242, be subsequently placed into new filter layer 242 and can re-assembly and use.Correspondingly, silica gel need to such as be cleaned Mask 1 and two ear bands 3, directly can divest silica gel mask 1 from housing 21.The dismounting of two ear bands 3 is as described above, pass through Open the drain pan 211 and upper casing 212 of housing 21, you can take out, repeated no more in this.
In summary, in one or more embodiments of the application, the haze electric mask of the application is simple in construction, shell Connected between body by buckle-type, convenient disassembly, improve processing efficiency;Being connected together between silica gel mask and housing makes housing Air-tightness is improved;By the structure of induction less brush-less motor and wind wheel, make air-flow soft comfortable and reduction operation noise;Air inlet and The passage of exhaust is independent, it is ensured that the air of suction it is pure and fresh;Pass through multiple filtration structured filter air, it is ensured that air cleaning, mistake Filtering layer, which detachably facilitates, to be replaced;Wear convenient and swift firm, silica gel mask and ear band are detachably easy to cleaning.
Some preferred embodiments of the present utility model have shown and described in described above, but as previously described, it should be understood that this Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various Other combinations, modification and environment, and above-mentioned teaching or association area can be passed through in utility model contemplated scope described herein Technology or knowledge be modified.And the change and change that those skilled in the art are carried out do not depart from spirit of the present utility model and model Enclose, then all should be in the protection domain of the utility model appended claims.

Claims (10)

1. a kind of haze electric mask, it is characterised in that including
Silica gel mask, it is positive open with first, and its back side has the second open, first opening and the second opening phase It is logical;
Filter, be detachably arranged at the silica gel mask positive first is open;And
Two ear bands, are removably connected to the both sides of the filter respectively, and two ear bands are respectively equipped with perforation;
Wherein described filter include housing, multiple breather valves, exhausting module and filter screen module, the housing include drain pan and The upper casing of the drain pan is arranged in, the lower end of the drain pan is provided with multiple first row stomatas, and the upper casing is provided with air inlet and position Multiple second row stomatas in the lower section of the air inlet, the multiple second row stomata is distinguished with the multiple first row stomata Correspondence;The multiple breather valve, which is located at the inner side of the housing and corresponded to respectively, is covered on the multiple first row stomata;It is described Exhausting module is arranged at the case inside and the correspondence air inlet, and it includes fixed shell, is arranged at the fixed shell The motor of inner side, be sheathed on the motor output shaft wind wheel and be electrically connected with the control assembly of the motor, the fixation The side of housing is provided with air intake vent, and the top of the fixed shell is provided with air outlet;The filter screen module is arranged at the housing Outside and the correspondence air inlet, it includes fixed mount and is detachably arranged at the filter layer of the fixed mount.
2. haze electric mask according to claim 1, it is characterised in that the motor is induction less brush-less motor.
3. haze electric mask according to claim 1 or 2, it is characterised in that the wind wheel includes wheel hub, multiple led Grid, multiple energy dissipating holes, wheel frame and fan blade circle are flowed, the wheel hub includes groove and the axis hole in the middle part of the groove, described many Individual airflow fence is radially disposed at the outer peripheral face of the wheel hub, and the multiple energy dissipating hole is arranged at intervals at the multiple airflow fence Between, wheel frame and the wheel hub are coaxial and are connected with one end of multiple airflow fences, and the fan blade circle is arranged at the wheel frame End face, wherein the fan blade circle includes multiple fan blades and the retainer ring that is sheathed on the outside of the multiple fan blade.
4. haze electric mask according to claim 3, it is characterised in that the front of the silica gel mask has card Groove, the side of the drain pan is provided with chuck, and the chuck is embedded in the neck;The outside of the upper casing is provided with block, the gear Block is located at the top of the multiple second row stomata.
5. haze electric mask according to claim 1 or 2, it is characterised in that the multiple breather valve is silica gel piece, And its shape and size is identical with the multiple steam vent.
6. haze electric mask according to claim 1 or 2, it is characterised in that the both sides of the drain pan are respectively equipped with Multiple fixed columns, the side of two ear bands is respectively equipped with multiple fixing holes, multiple fixed columns difference of the drain pan both sides It is arranged in multiple fixing holes of two ear bands.
7. haze electric mask according to claim 6, it is characterised in that the end face of two ear bands is respectively equipped with VELCRO.
8. haze electric mask according to claim 1, it is characterised in that also including trim, the trim is set It is placed in the side of the filter screen module and is covered on the outside of the upper casing.
9. the haze electric mask according to claim 1,2 or 8 any claims, it is characterised in that the housing The side wall of drain pan be provided with multiple hole clippings, the side wall of the upper casing is provided with multiple card columns, and the multiple card column is arranged in described many Individual hole clipping.
10. haze electric mask according to claim 1, it is characterised in that the filter layer include from outside to inside by Filter cotton, active carbon layer, the first acupuncture layer of cloth, the second acupuncture layer of cloth and the waterproof layer of one stacking connection;The fixed mount is gold Category, including the upper ledge and underframe mutually fastened.
CN201720166677.1U 2017-02-23 2017-02-23 A kind of haze electric mask Expired - Fee Related CN206535016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720166677.1U CN206535016U (en) 2017-02-23 2017-02-23 A kind of haze electric mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720166677.1U CN206535016U (en) 2017-02-23 2017-02-23 A kind of haze electric mask

Publications (1)

Publication Number Publication Date
CN206535016U true CN206535016U (en) 2017-10-03

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107997264A (en) * 2018-01-12 2018-05-08 皓庭(唐山)环境科技有限公司 Mask
CN109288169A (en) * 2018-10-26 2019-02-01 辽宁工程技术大学 A dust cover for underground coal mines
CN109793968A (en) * 2019-02-22 2019-05-24 厦门靶向科技有限公司 A kind of breathing mask and its combination device
CN111135498A (en) * 2018-11-06 2020-05-12 深圳市美好创亿医疗科技有限公司 Protective mask
CN111301460A (en) * 2020-03-19 2020-06-19 中车太原机车车辆有限公司 Ventilation device for railway wagons
CN111713775A (en) * 2020-06-02 2020-09-29 河源职业技术学院 Electronic gauze mask of antifog haze of single circulation
CN111838822A (en) * 2020-08-11 2020-10-30 东莞捷盈精密硅胶科技有限公司 A kind of reusable silicone mask and its assembly method
CN111939490A (en) * 2020-07-30 2020-11-17 惠州市宇林源能源科技有限公司 A two-way filtering electric anti-epidemic mask
CN112587820A (en) * 2020-12-23 2021-04-02 浙江理工大学 Automatic folding electronic gauze mask of formula of accomodating
CN116742896A (en) * 2023-05-24 2023-09-12 娄底市创微达电器有限公司 A cooling device for brushless DC motor for vacuum cleaners

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107997264A (en) * 2018-01-12 2018-05-08 皓庭(唐山)环境科技有限公司 Mask
CN109288169A (en) * 2018-10-26 2019-02-01 辽宁工程技术大学 A dust cover for underground coal mines
CN111135498A (en) * 2018-11-06 2020-05-12 深圳市美好创亿医疗科技有限公司 Protective mask
CN109793968A (en) * 2019-02-22 2019-05-24 厦门靶向科技有限公司 A kind of breathing mask and its combination device
CN111301460A (en) * 2020-03-19 2020-06-19 中车太原机车车辆有限公司 Ventilation device for railway wagons
CN111713775A (en) * 2020-06-02 2020-09-29 河源职业技术学院 Electronic gauze mask of antifog haze of single circulation
CN111939490A (en) * 2020-07-30 2020-11-17 惠州市宇林源能源科技有限公司 A two-way filtering electric anti-epidemic mask
CN111838822A (en) * 2020-08-11 2020-10-30 东莞捷盈精密硅胶科技有限公司 A kind of reusable silicone mask and its assembly method
CN112587820A (en) * 2020-12-23 2021-04-02 浙江理工大学 Automatic folding electronic gauze mask of formula of accomodating
CN116742896A (en) * 2023-05-24 2023-09-12 娄底市创微达电器有限公司 A cooling device for brushless DC motor for vacuum cleaners

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CF01 Termination of patent right due to non-payment of annual fee

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