CN212914253U - 一种两用口罩呼吸阀 - Google Patents
一种两用口罩呼吸阀 Download PDFInfo
- Publication number
- CN212914253U CN212914253U CN202020883633.2U CN202020883633U CN212914253U CN 212914253 U CN212914253 U CN 212914253U CN 202020883633 U CN202020883633 U CN 202020883633U CN 212914253 U CN212914253 U CN 212914253U
- Authority
- CN
- China
- Prior art keywords
- valve
- frame
- breather valve
- breather
- moving frame
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 244000144992 flock Species 0.000 claims abstract 4
- 238000007789 sealing Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020883633.2U CN212914253U (zh) | 2020-05-22 | 2020-05-22 | 一种两用口罩呼吸阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020883633.2U CN212914253U (zh) | 2020-05-22 | 2020-05-22 | 一种两用口罩呼吸阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212914253U true CN212914253U (zh) | 2021-04-09 |
Family
ID=75318361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020883633.2U Active CN212914253U (zh) | 2020-05-22 | 2020-05-22 | 一种两用口罩呼吸阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212914253U (zh) |
-
2020
- 2020-05-22 CN CN202020883633.2U patent/CN212914253U/zh active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20160213957A1 (en) | Breathing Mask | |
CN207322737U (zh) | 一种防雾霾口罩 | |
CN111685413A (zh) | 滤嘴拆卸式防护口罩 | |
CN214594348U (zh) | 双层透明锥台体口罩 | |
CN212914253U (zh) | 一种两用口罩呼吸阀 | |
CN103284357B (zh) | 三阀门防尘口罩 | |
CN212629927U (zh) | 一种新型辅助呼吸防雾口罩 | |
CN103611222A (zh) | 空气过滤式口罩 | |
CN111111037A (zh) | 一种自吸式防尘口罩 | |
CN213077273U (zh) | 一种呼吸分离型口罩 | |
CN203677772U (zh) | 空气过滤式口罩 | |
CN212941057U (zh) | 呼吸面罩 | |
CN211724431U (zh) | 一种自吸式防尘口罩 | |
CN212678428U (zh) | 一种户外穿戴的雾化口罩 | |
CN210299622U (zh) | 一种方便组合的模块化口罩 | |
CN209679342U (zh) | 一种口罩过滤单元 | |
CN205432236U (zh) | 一种呼吸阀口罩 | |
CN206403260U (zh) | 一种带有柔性鼻密封条的口罩 | |
KR200358411Y1 (ko) | 공기청정 마스크 | |
CN210329448U (zh) | 一种呼吸阀及应用该呼吸阀的口罩 | |
CN210520158U (zh) | 面罩 | |
CN111602899A (zh) | 一种上下半开便捷口罩 | |
AU2004100994A4 (en) | Facemask Structure Improvement | |
CN110289116B (zh) | 一种有效贴合口鼻的粒子手术防护装置 | |
CN216725566U (zh) | 可更换滤芯式晶体口罩 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240619 Address after: No. 33-52 Punan Road, Shenbei New District, Shenyang City, Liaoning Province, 110000 (3 doors) Patentee after: Shenyang fangdun safety equipment Co.,Ltd. Country or region after: China Address before: 210000 2, B unit 300, Zhihui Road, Kirin science and Technology Innovation Park, Jiangning District, Nanjing, Jiangsu. Patentee before: NANJING CHUQING ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |