CN205639076U - Fan reaches electronic gauze mask including this fan - Google Patents
Fan reaches electronic gauze mask including this fan Download PDFInfo
- Publication number
- CN205639076U CN205639076U CN201620414265.0U CN201620414265U CN205639076U CN 205639076 U CN205639076 U CN 205639076U CN 201620414265 U CN201620414265 U CN 201620414265U CN 205639076 U CN205639076 U CN 205639076U
- Authority
- CN
- China
- Prior art keywords
- fan
- cavity
- blower fan
- bonnet
- protecgulum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241000883990 Flabellum Species 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000009172 bursting Effects 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1153—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a hood
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan and including the electronic gauze mask of this fan belongs to the gauze mask field. The fan includes the casing, the casing include the protecgulum and with the back lid that the protecgulum is connected, the middle part of protecgulum is provided with the air intake, after cover and be provided with the cavity that is used for as the wind channel, the middle part of cavity is provided with the fan, the upper portion of the lateral wall of cavity is provided with the air outlet, gradually the burst at the seams setting of lateral wall for following fan direction of rotation of cavity. The utility model discloses a wind channel is the setting of gradually bursting at the seams, and the lateral wall in wind channel is increasing from the perpendicular distance at the outside edge of fan promptly, and the width in wind channel is increasing promptly, and when the direction of the direction of rotation of fan and the widen in wind channel was unanimous, under the condition of the same fan power, the wind channel of the setting of gradually bursting at the seams was passed through compressed air and can be obtained bigger air output, has guaranteed that people breathe in smoothly.
Description
Technical field
This utility model relates to mask field, particularly relates to have a kind of blower fan and include the electric mask of this blower fan.
Background technology
Current domestic haze mask existing market mainly has a two types:
The first is tradition mask, and it is provided with multistorey strainer mesh, is obtained the air purified through drainage screen by user air-breathing voluntarily, and the mistake of mask filters haze effect (i.e. the filter screen degree of purification to air) and depends on the material of filter screen.The screen material that can effectively filter haze in the market is usually HEPA (High efficiency particulate air Filter), even if but the spray fusing long fibre using windage therein minimum is also required to the windage of 20～50Pa as screen material, the pressure reduction fully relying on people's breathing is pushed to air filtration very arduously, can affect the eupnea of user.More multiplex low efficient filter screen materials of such filter face mask the most on the market, windage is relatively low, more than 5um particulate matter filter effect it is also possible that but the most general to PM2.5 or even more small particle filter effect.And except effect preferable mask impedance is higher, be not suitable for old man, child and have respiratory disorder person wears.
The second is for can actively carry out airfiltering electric mask with blower fan, its essential core parts are exactly blower fan, air filter screen, face shield, it mainly pushes air past filter screen by blower fan, and contaminated air becomes the air of cleaning after filter screen filtration and delivers in mask, breathes for user.The subject matter of this type of mask is: blower fan, in order to overcome the windage through filter screen, needs the fan of of a relatively high blast to rotate, and ensures supply abundance to obtain bigger air quantity, but the problem that the blower fan of routine easily has bigger noise, energy consumption is big.
Utility model content
The technical problems to be solved in the utility model is to provide one has greater pressure can effectively overcome filter screen resistance, and ensure that people breathe smoothly simultaneously increasing air output, reduce noise, reduce energy consumption and be suitable to the blower fan worn for a long time and the electric mask including this blower fan.
For solving above-mentioned technical problem, this utility model provides technical scheme as follows:
On the one hand, a kind of blower fan is provided, including housing, described housing includes protecgulum and the bonnet being connected with described protecgulum, the middle part of described protecgulum is provided with air inlet, described bonnet is provided with for the cavity as air channel, and the middle part of described cavity is provided with fan, the top of the sidewall of described cavity is provided with air outlet, and the sidewall of described cavity is the involute setting along fan direction of rotation.
Further, the sidewall of described cavity is in the distance at the edge of described fan, and the sidewall of the described cavity end at the described air outlet distance from the edge of described fan is minimum, and another end distance from the edge of described fan is maximum.
Further, the middle and upper part of described air outlet is provided with the first curved baffle for wind water conservancy diversion.
Preferably, it is additionally provided with the second curved baffle for wind water conservancy diversion, described first curved baffle and the second curved baffle at described air outlet and forms V-structure.
Preferably, the sidewall of described cavity two ends at described air outlet are provided with arc flanging.
Further, described air inlet is circular, the diameter of the described air inlet internal diameter more than the flabellum of described fan, the external diameter of the flabellum less than described fan.
Preferably, the diameter of described air inlet bigger than the internal diameter of the flabellum of described fan 0.3～3mm.
Preferably, the diameter of described air inlet 1mm bigger than the internal diameter of the flabellum of described fan.
Further, it is provided with otch at the described air outlet of described bonnet.
Further, described bonnet is provided with at least one hole, location, described protecgulum is provided with the locating dowel for coordinating with hole, described location；It is provided with at least two blocked hole on described bonnet, described protecgulum is provided with the clip-connecting rod for being connected with described blocked hole.
Further, the middle part of described fan is provided with motor, described motor is fixedly installed on described bonnet, the bottom of described bonnet is provided with the battery and circuit board being connected with described motor, the bottom of described bonnet is provided with the containing cavity for placing described battery and circuit board, and described containing cavity bottom outside is provided with the switch for controlling motor start and stop being connected with described circuit board.
On the other hand, it is provided that a kind of electric mask, including above-mentioned blower fan.
In sum, the beneficial effects of the utility model show themselves in that
1) air channel of the present utility model is that involute is arranged, the i.e. sidewall in air channel is increasing from the vertical dimension of the outer ledge of fan, the i.e. width in air channel is increasing, when the direction of rotation of fan is consistent with the direction broadened in air channel, in the case of identical fans power, the air channel that involute is arranged can obtain bigger air output and blast by compressed air, it is ensured that people's air-breathing is smooth and easy, and inspiration capacity is sufficient；
2) air channel that involute of the present utility model is arranged arranges and is possible not only to effectively overcome the windage of filter screen, and in the case of guarantee air output is enough, effectively save energy consumption, reduction flabellum rotate the noise produced；
3) this utility model reasonable in design, volume is little, compact conformation, good for the breathing comfort of electric mask, is suitable to wear for a long time.
Accompanying drawing explanation
Fig. 1 is the front view of the protecgulum of blower fan of the present utility model；
Fig. 2 is the schematic diagram of the bonnet of blower fan of the present utility model；
Fig. 3 is the schematic diagram of the bonnet with otch of blower fan of the present utility model；
Fig. 4 is the rearview of the protecgulum of blower fan of the present utility model；
Fig. 5 is the explosive view of electric mask of the present utility model.
Detailed description of the invention
For making embodiment of the present utility model solve the technical problem that, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
This utility model provides a kind of blower fan, including housing, as shown in Figure 1 and Figure 2, housing includes protecgulum 1 and the bonnet 2 being connected with protecgulum, the middle part of protecgulum 1 is provided with air inlet 11, bonnet 2 is provided with for the cavity 21 as air channel, and the middle part of cavity 21 is provided with fan 3, the top of the sidewall 22 of cavity 21 is provided with air outlet 23,23 ', and the sidewall of cavity 21 is the involute setting along fan 3 direction of rotation.
In use, the air channel that involute is arranged can obtain bigger air output by compressed air to blower fan of the present utility model, and less energy consumption is obtained with bigger air output, reduces fan noise.
Air channel of the present utility model is that involute is arranged, the i.e. sidewall in air channel is increasing from the vertical dimension of the outer ledge of fan, the i.e. width in air channel is increasing, when the direction of rotation of fan is consistent with the direction broadened in air channel, in the case of identical fans power, the air channel that involute is arranged can obtain bigger air output by compressed air, it is ensured that people's air-breathing is smooth and easy, and inspiration capacity is sufficient；The air channel that involute of the present utility model is arranged arranges and is possible not only to effectively overcome the windage of filter screen, and in the case of guarantee air output is enough, effectively save energy consumption, reduction flabellum rotate the noise produced；This utility model reasonable in design, volume is little, compact conformation, good for the breathing comfort of electric mask, is suitable to wear for a long time.
Preferably, the sidewall 22 of cavity 21 is in the distance at the edge of fan 3, the sidewall 22 of cavity 21 end at the air outlet distance from the edge of fan 3 is minimum (in Fig. 2 away from A), and another end distance from the edge of fan 3 is maximum (away from the B in Fig. 2).The air channel that involute is arranged can be effectively increased ventilation, reduces energy consumption, and in Fig. 2, the block arrow on air channel is the direction of rotation of fan.
As a kind of improvement of the present utility model, the middle and upper part of air outlet 23 can be provided with the first curved baffle 24 for wind water conservancy diversion.Arranging the first curved baffle that can shunt at air outlet, the design of arc is more beneficial for shunting, makes wind can uniformly flow to the both sides of the first curved baffle, flows to nostril from wing of nose both sides, and the breathing making user is more smooth and easy.
Preferably, air outlet 23 (or 23 ') place is also provided with the second curved baffle 24 ' for wind water conservancy diversion, and the first curved baffle 24 and the second curved baffle 24 ' can form V-structure.The radian of the second curved baffle complies with wind direction, can preferably control the direction of wind, the first curved baffle and the second curved baffle neighbour formation V-structure, make two strands of wind, two side inflows from nose upper end, and the breathing increasing user is experienced.
In order to preferably control wind direction, the sidewall 22 of cavity 21 two ends at air outlet 23,23 ' place all can be provided with arc flanging 211,211 '.The two ends of the sidewall of cavity, near air outlet, preferably control the wind direction of air outlet by arranging arc flanging.
Preferably, air inlet 11 is circular, and the diameter of air inlet 11 can be more than the internal diameter of the flabellum of fan 3, less than the external diameter of flabellum of fan 3.Fan in the present embodiment is circular, and flabellum forms annular in the periphery of fan.The diameter of air inlet slightly larger than the internal diameter of fan, can more preferable air intake, and beneficially fan the most actively air draught, increase air quantity.
Preferably, the diameter of air inlet 11 can big 0.3～3mm than the internal diameter of the flabellum of fan 3.The suitable size of air inlet can make intake and air output more excellent.
Preferably, the diameter of air inlet 11 1mm bigger than the internal diameter of the flabellum of fan 3.Inventor of the present utility model is through constantly adjusting discovery, and the using effect of the diameter 1mm bigger than the internal diameter of the flabellum of fan of air inlet is optimal.
In order to the air-out effect making air outlet is more preferable, as it is shown on figure 3,23 (or 23 ') can be provided with otch 231 (or 231 ') at the air outlet of bonnet 2.It is smooth and easy that the setting of otch is more beneficial for air-out.
As a kind of improvement of the present utility model, as shown in Figure 2, Figure 4 shows, bonnet 2 can be provided with at least one hole 25, location, protecgulum 1 can be provided with the locating dowel 12 for coordinating with hole 25, location；At least two blocked hole 26,26 ' can be provided with on bonnet 2, protecgulum 1 can be provided with the clip-connecting rod 13,13 ' for being connected with blocked hole 26,26 '.Hole, location and locating dowel are easier for installation in order to make, the form of blocked hole and clip-connecting rod has multiple, can be clip-connecting rod be that " 7 " type, "T"-shaped, inverted triangle taper etc. are multiple can be with the shape of clamping, corresponding groove or projection it is provided with for connecting and fixing locating dowel at blocked hole, housing in the present embodiment is all clamping, easy for installation, does not has screw, screw can be avoided to come off to people produce harm, be effectively improved safety.
Further, as shown in Figure 2, the middle part of fan 3 can be provided with motor 4, motor 4 can be fixedly installed on bonnet 2, the bottom of bonnet 2 can be provided with the battery 5 and circuit board 6 being connected with motor 4, the bottom of bonnet 2 can be provided with the containing cavity (not marking in figure) for placing battery 5 and circuit board 6, and containing cavity bottom outside can be provided with the switch 7 for controlling motor 4 start and stop being connected with circuit board.Motor is arranged on bonnet, fan can be connected on motor with axle, by switch start and stop motor, battery in this utility model is preferably rechargeable battery, and charging hole can be set bottom containing cavity, containing cavity arrange can preferably self-contained battery and circuit board, and be separated by with wind chamber, reduce wind, steam etc. to battery, the impact of circuit board.
On the other hand, it is provided that a kind of electric mask, including above-mentioned blower fan.
Wherein, Fig. 5 provides the explosive view of a kind of feasible electric mask, and it includes the filter screen 100 being covered at air inlet, and the face shield 200 being connected with blower fan.
This utility model is in use, blower fan and other accessories are installed as electric mask, the involute in air channel arranges and can be effectively increased air output, arc flanging on first, second curved baffle and air channel can effectively control wind direction, air inlet, the appropriate design of air outlet can also increase air quantity, this utility model breathing comfort when electric mask is good, is suitable to wear for a long time.
Air channel of the present utility model is that involute is arranged, the i.e. sidewall in air channel is increasing from the vertical dimension of the outer ledge of fan, the i.e. width in air channel is increasing, when the direction of rotation of fan is consistent with the direction broadened in air channel, in the case of identical fans power, the air channel that involute is arranged can obtain bigger air output and grace by compressed air, it is ensured that people's air-breathing is smooth and easy, and inspiration capacity is sufficient；The air channel that involute of the present utility model is arranged arranges and is possible not only to effectively overcome the windage of filter screen, and in the case of guarantee air output is enough, effectively save energy consumption, reduction flabellum rotate the noise produced；This utility model reasonable in design, volume is little, compact conformation, good for the breathing comfort of electric mask, is suitable to wear for a long time.
The above is preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a blower fan, including housing, it is characterized in that, described housing includes protecgulum and the bonnet being connected with described protecgulum, the middle part of described protecgulum is provided with air inlet, described bonnet is provided with for the cavity as air channel, and the middle part of described cavity is provided with fan, the top of the sidewall of described cavity is provided with air outlet, and the sidewall of described cavity is the involute setting along fan direction of rotation.
Blower fan the most according to claim 1, it is characterized in that, the sidewall of described cavity is in the distance at the edge of described fan, and the sidewall of the described cavity end at the described air outlet distance from the edge of described fan is minimum, and another end distance from the edge of described fan is maximum.
Blower fan the most according to claim 1, it is characterised in that the middle and upper part of described air outlet is provided with the first curved baffle for wind water conservancy diversion.
Blower fan the most according to claim 3, it is characterised in that be additionally provided with the second curved baffle for wind water conservancy diversion, described first curved baffle and the second curved baffle at described air outlet and form V-structure.
Blower fan the most according to claim 4, it is characterised in that the sidewall of described cavity two ends at described air outlet are provided with arc flanging.
Blower fan the most according to claim 1, it is characterised in that described air inlet is circular, the diameter of the described air inlet internal diameter more than the flabellum of described fan, the external diameter of the flabellum less than described fan.
Blower fan the most according to claim 1, it is characterised in that described bonnet is provided with otch at described air outlet.
8. according to the arbitrary described blower fan of claim 1 to 7, it is characterised in that be provided with at least one hole, location on described bonnet, described protecgulum is provided with the locating dowel for coordinating with hole, described location；
It is provided with at least two blocked hole on described bonnet, described protecgulum is provided with the clip-connecting rod for being connected with described blocked hole.
9. according to the arbitrary described blower fan of claim 1 to 7, it is characterized in that, the middle part of described fan is provided with motor, described motor is fixedly installed on described bonnet, the bottom of described bonnet is provided with the battery and circuit board being connected with described motor, the bottom of described bonnet is provided with the containing cavity for placing described battery and circuit board, and described containing cavity bottom outside is provided with the switch for controlling motor start and stop being connected with described circuit board.
10. an electric mask, it is characterised in that include the arbitrary described blower fan of claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016100158442 | 2016-01-11 | ||
| CN201610015844.2A CN105495776A (en) | 2016-01-11 | 2016-01-11 | Intelligent electric haze prevention respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639076U true CN205639076U (en) | 2016-10-12 |
Family
ID=55704380
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015844.2A Pending CN105495776A (en) | 2016-01-11 | 2016-01-11 | Intelligent electric haze prevention respirator |
| CN201620414263.1U Expired - Fee Related CN205672368U (en) | 2016-01-11 | 2016-05-09 | Silica gel mask and include the electric mask of this silica gel mask |
| CN201620414265.0U Expired - Fee Related CN205639076U (en) | 2016-01-11 | 2016-05-09 | Fan reaches electronic gauze mask including this fan |
| CN201620414262.7U Expired - Fee Related CN205698953U (en) | 2016-01-11 | 2016-05-09 | Split type electrical mask |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015844.2A Pending CN105495776A (en) | 2016-01-11 | 2016-01-11 | Intelligent electric haze prevention respirator |
| CN201620414263.1U Expired - Fee Related CN205672368U (en) | 2016-01-11 | 2016-05-09 | Silica gel mask and include the electric mask of this silica gel mask |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620414262.7U Expired - Fee Related CN205698953U (en) | 2016-01-11 | 2016-05-09 | Split type electrical mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105495776A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026766A (en) * | 2017-06-12 | 2018-12-18 | 深圳市美好创亿医疗科技有限公司 | Air exhausting device and mask with the air exhausting device |
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| CN109803729B (en) * | 2016-09-29 | 2021-12-28 | 霍尼韦尔国际公司 | Customized controllable power respirator mask |
| CN106770961B (en) * | 2016-12-29 | 2019-04-02 | 韶关市知青检测技术有限公司 | A kind of wearable air detecting device |
| CN106983967A (en) * | 2017-05-20 | 2017-07-28 | 深圳市冰夏科技有限公司 | A kind of child intelligence mouth mask |
| CN107136595A (en) * | 2017-06-19 | 2017-09-08 | 京东方科技集团股份有限公司 | A kind of detection method of mouth mask and its adsorption capacity |
| CN107232664A (en) * | 2017-07-06 | 2017-10-10 | 东莞市安域实业有限公司 | A kind of haze-proof mask |
| CN107570296B (en) * | 2017-08-14 | 2019-04-16 | 安徽工程大学 | A kind of bioconversion medium grinding filter |
| CN109420268A (en) * | 2017-09-01 | 2019-03-05 | 张利军 | Wearable electric air purification breathing mask |
| CN108096735B (en) * | 2017-12-27 | 2020-05-01 | 北京欧美中科学技术研究院 | Novel chemical experiment gas mask |
| CN111544793A (en) * | 2018-04-08 | 2020-08-18 | 浙江带立新材料科技有限公司 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
| CN108607170B (en) * | 2018-05-02 | 2021-01-08 | 厦门市新华世贸实业有限公司 | Multifunctional radon-proof dust mask |
| KR102709255B1 (en) * | 2020-03-11 | 2024-09-23 | 엘지전자 주식회사 | mask |
| CN111227369A (en) * | 2020-03-17 | 2020-06-05 | 梁永华 | Anti-virus dustproof circulation mask |
| CN111529190A (en) * | 2020-05-11 | 2020-08-14 | 杨建容 | Be used for ophthalmic surgery with hiding device |
| CN111569295B (en) * | 2020-05-18 | 2021-08-03 | 安徽众衣联供应链管理服务有限公司 | Epidemic prevention mask with anti-fog function |
| 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 |
| KR102452392B1 (en) | 2020-06-05 | 2022-10-11 | 엘지전자 주식회사 | Mask apparatus |
| KR102408364B1 (en) | 2020-06-05 | 2022-06-13 | 엘지전자 주식회사 | Mask apparatus |
| KR102256713B1 (en) | 2020-06-05 | 2021-05-27 | 엘지전자 주식회사 | Mask apparatus and controlling method thereof |
| KR102307772B1 (en) | 2020-06-05 | 2021-10-05 | 엘지전자 주식회사 | Mask apparatus |
| KR102494579B1 (en) | 2020-06-05 | 2023-02-02 | 엘지전자 주식회사 | Mask apparatus |
| KR102418745B1 (en) * | 2020-06-30 | 2022-07-11 | 엘지전자 주식회사 | Mask apparatus |
| KR102460798B1 (en) | 2020-06-30 | 2022-10-31 | 엘지전자 주식회사 | Mask apparatus |
| CN111616448A (en) * | 2020-07-01 | 2020-09-04 | 合肥为开科技有限公司 | Adjustable tolerance gauze mask that disinfects |
| KR102294479B1 (en) | 2020-08-28 | 2021-08-27 | 엘지전자 주식회사 | Sterilizing case |
| CN112870874A (en) * | 2021-01-14 | 2021-06-01 | 上海菲迎电子科技有限公司 | Gauze mask type off-line net filtration system |
| US20220296937A1 (en) * | 2021-03-16 | 2022-09-22 | Ingenio Technology Co., Limited | Electronic mask with negative pressure |
-
2016
- 2016-01-11 CN CN201610015844.2A patent/CN105495776A/en active Pending
- 2016-05-09 CN CN201620414263.1U patent/CN205672368U/en not_active Expired - Fee Related
- 2016-05-09 CN CN201620414265.0U patent/CN205639076U/en not_active Expired - Fee Related
- 2016-05-09 CN CN201620414262.7U patent/CN205698953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026766A (en) * | 2017-06-12 | 2018-12-18 | 深圳市美好创亿医疗科技有限公司 | Air exhausting device and mask with the air exhausting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205672368U (en) | 2016-11-09 |
| CN205698953U (en) | 2016-11-23 |
| CN105495776A (en) | 2016-04-20 |
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