CN209714045U - Mouth and nose separate protective face mask - Google Patents
Mouth and nose separate protective face mask Download PDFInfo
- Publication number
- CN209714045U CN209714045U CN201920195859.0U CN201920195859U CN209714045U CN 209714045 U CN209714045 U CN 209714045U CN 201920195859 U CN201920195859 U CN 201920195859U CN 209714045 U CN209714045 U CN 209714045U
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- seal closure
- chamber
- filter core
- outside
- nose
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Abstract
The utility model discloses a kind of mouth and nose to separate protective face mask, including mask and nose cup, and mask includes the first seal closure, the first filter core, the first breather check valve and the first outgassing nonreturn valve, and the first seal closure inwardly encloses the first protection chamber；First filter core is covered on the outside of the first seal closure and forms the first filter chamber between it；First breather check valve is through in the first filter chamber from the first protection chamber, can be opened to the first protection chamber；First outgassing nonreturn valve is through on the outside of mask from the first protection chamber, can be outwardly opened；Nose cup includes the second seal closure, the second filter core, the second breather check valve and the second outgassing nonreturn valve, and the second seal closure inwardly encloses the second protection chamber；Second filter core is covered on the outside of the second seal closure and forms the second filter chamber being connected to the first filter chamber between it；Second breather check valve is through in the second filter chamber from the second protection chamber, can be opened to the second protection chamber；Second outgassing nonreturn valve is through on the outside of nose cup from the second protection chamber, can be outwardly opened.
Description
Technical field
The utility model relates to wearable protective device technical fields, and in particular to a kind of mouth and nose separation protective face mask.
Background technique
Protective face mask can play a role in filtering for entering the air of human respiratory tract, and user is wearing protective face mask
Oral cavity or nasal cavity can be effectively prevented to suck the harmful substance in air afterwards, to reduce caused by air pollution on human health
It threatens.CN205730013U discloses a kind of mask and the purification assembly for mask, which includes fixed frame, filter core and list
To valve.When user's air-breathing, air is flowed into after filter element filtering on the inside of mask；Exhaled gas is mainly expelled to mask through check valve
Outside.This protective face mask can play a certain protective role the breathing of user, but due to check valve limited area, greatly
Amount exhaled gas is easily accumulated in the chamber on the inside of mask, so that being easy to be in humid tropical condition on the inside of mask, is reduced
The comfort that protective face mask uses；And exhaled gas is easy to be again sucked into human body, affects the effect of breathing of user.
Utility model content
The utility model provides a kind of mouth and nose separation protective face mask, carries out isolating and protecting to oral area and nose, enhances
Mask protection effect.
The purpose of this utility model is to provide a kind of mouth and nose to separate protective face mask, including mask and above mask
Nose cup, the mask include the first seal closure and the first filter core, and first seal closure is enclosed inwardly for being located at
The first protection chamber on the outside of user's oral area；First filter core is covered on the outside of first seal closure, with the first seal closure
Between form the first filter chamber, for filtering from the external air for flowing into first filter chamber；Is additionally provided on the mask
One breather check valve and the first outgassing nonreturn valve, first breather check valve are through to the first filter chamber from the first protection chamber
It is interior, and can be opened to the first protection cavity direction；First outgassing nonreturn valve is through on the outside of mask from the first protection chamber, can be to
It opens in outside；The nose cup includes the second seal closure and the second filter core, and second seal closure is enclosed inwardly for covering
The second protection chamber being located on the outside of user's nose；Second filter core is covered on the outside of second seal closure, close with second
The second filter chamber is formed between sealing cover, for filtering from the external air for flowing into second filter chamber；It is also set on the nose cup
There are the second breather check valve and the second outgassing nonreturn valve, second breather check valve is through to the second filtering from the second protection chamber
It is intracavitary, and can be opened to the second protection cavity direction；Second outgassing nonreturn valve is through on the outside of nose cup from the second protection chamber, can
It opens outward；First filter chamber is connected to the second filter chamber.
Further, the protective face mask further includes snorkel, the snorkel for be connected to first filter chamber and
Second filter chamber.
Further, the outer wall of first seal closure is equipped with the first flange extended from edge towards center position, institute
It states and forms the first card slot between the first flange and the outer wall of the first seal closure, first card slot sets first filter core for blocking
Edge, connect first filter core with the first seal closure；The outer wall of second seal closure is equipped with from edge towards center
The second flange that direction extends forms the second card slot, second card between second flange and the outer wall of the second seal closure
Slot connect second filter core with the second seal closure for blocking the edge for setting second filter core.
Further, the first sealing cover outer wall is equipped with the first pillar of multiple protrusions, and the first filter core card is set
When in the first card slot of first seal closure, first pillar outer end is contradicted on the inner wall of first filter core；Institute
The outer wall for stating the second seal closure is equipped with the second pillar of multiple protrusions, and second filter core is fastened on second seal closure
When in the second card slot, second pillar outer end is contradicted on the inner wall of second filter core.
Further, first seal closure includes the first sealing ring on inner edge, and first sealing ring is used for
It is arranged on the outside of user's oral area；Second seal closure includes the second sealing ring on inner edge, second sealing ring
For being arranged on the outside of user's nose.
Further, the protective face mask further includes the cover enclosed inwardly, and the mask and nose cup are fixed at
On the inside of the cover.
Protective face mask provided by the utility model can be suitable for a variety of different breathing patterns.When the wearer inhales the air, empty
Gas flows into the first filter chamber and the second filter chamber of connection after the first filter core and the second filter element filtering respectively, then respectively through
One breather check valve and/or the second breather check valve enter the first protection chamber and the second protection chamber；With the mask independently used or
Nose cup is compared, and user takes mouth/nasal/oral snuffing gas mode, can guarantee the area filtered the air.When expiration,
Exhaled gas can be discharged directly through the first outgassing nonreturn valve and/or the second outgassing nonreturn valve, with not will protect chamber separate
Technical solution is compared, and can be reduced exhaled gas in the diffusion for protecting intracavitary side, is conducive to exhaled gas discharge.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that mouth and nose separate protective face mask in the utility model first embodiment.
Fig. 2 is the rearview that mouth and nose separate protective face mask in the utility model first embodiment.
Fig. 3 is the explosive view that mouth and nose separate protective face mask in the utility model first embodiment.
Fig. 4 is the cross-sectional view in the face A-A in Fig. 2.
Fig. 5 is the explosive view that mouth and nose separate protective face mask in the utility model second embodiment.
Fig. 6 is that mouth and nose separate protective face mask side view cutaway drawing in the utility model second embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Mode, the present invention will be further described in detail.
In this specification, protective face mask is in use, be " inside " close to user's face side, far from user's face one
Side is " outside ".
Referring to figs. 1 to Fig. 4, the utility model first embodiment provides a kind of mouth and nose separation protective face mask 1, including mask
11 and the nose cup 12 above mask 11, the mask 11 includes the first seal closure 111 and the first filter core 112, and described first
Seal closure 111 is enclosed the first protection chamber for being located on the outside of user's oral area inwardly；First filter core 112 covers
It covers in 111 outside of the first seal closure, forms the first filter chamber 110 between the first seal closure 111, the first filter core 112 was used for
It filters from the external air flowed into the first filter chamber 110；The first breather check valve 113 and first is additionally provided on the mask 11 to go out
Gas check valve 114, first breather check valve 113 are through in the first filter chamber 110 from the first protection chamber, and can be to first
Cavity direction is protected to open；First outgassing nonreturn valve 114 is through to 1 outside of protective face mask from the first protection chamber, and can be to mouth
It opens in cover outside；The nose cup 12 includes the second seal closure 121 and the second filter core 122, the inside side wall of second seal closure 121
Close the second protection chamber formed for being located on the outside of user's nose；Second filter core 122 is covered on the second seal closure 121
The second filter chamber 120 is formed between outside, with the second seal closure 121, the second filter core 122 flows into the second mistake for filtering from outside
Air in filter chamber 120；It is additionally provided with the second breather check valve 123 and the second outgassing nonreturn valve 124 on the nose cup 12, described
Two breather check valves 123 are through in the second filter chamber 120 from the second protection chamber, and can be opened to the second protection cavity direction；Institute
It states the second outgassing nonreturn valve 124 and is through to 1 outside of protective face mask from the second protection chamber, and can be to opening on the outside of nose cup；It is described anti-
Face shield 1 further includes snorkel 13, and the snorkel 13 is for being connected to first filter chamber 110 and the second filter chamber 120.
Protective face mask provided in this embodiment protects chamber by separating mouth and nose, can be suitable for a variety of different breathing patterns.
When the wearer inhales the air, air flows into the first filter chamber and the second mistake of connection after the first filter core and the second filter element filtering respectively
Then filter chamber enters the first protection chamber and the second protection chamber through the first breather check valve and/or the second breather check valve respectively.With
The mask or nose cup independently used is compared, and user takes mouth/nasal/oral snuffing gas mode, be can guarantee and was carried out to air
The area of filter.When expiration, exhaled gas can be discharged directly through the first outgassing nonreturn valve and/or the second outgassing nonreturn valve, with
The technical solution for protecting chamber to separate is not compared, exhaled gas can be reduced in the diffusion for protecting intracavitary side, be conducive to expiratory air
Body discharge.
It should be noted that first breather check valve, the first outgassing nonreturn valve, the second breather check valve and second are single
It is had no to the number of air outlet valve and setting position specifically limited.
In the present embodiment, first outgassing nonreturn valve 114 is one, face user oral cavity expiratory airflow；Described
One breather check valve 113 is two, is symmetricly set on the alar part of the mask 11；Second outgassing nonreturn valve 124 is one,
Face user's nasal cavity expiratory airflow；Second breather check valve 123 is two, is symmetricly set on the wing of the nose cup 12
Portion.
Further, the outer wall of first seal closure 111 is equipped with the first flange extended from edge towards center position,
Form the first card slot between first flange and the outer wall of the first seal closure 111, first card slot sets described for blocking
The edge of one filter core 112 connect first filter core 112 with the first seal closure 111；The outer wall of second seal closure 121
It is equipped with the second flange extended from edge towards center position, shape between second flange and the outer wall of the second seal closure 121
At the second card slot, second card slot makes second filter core 122 and second for blocking the edge for setting second filter core 122
Seal closure 121 connects.The protective face mask that this programme provides, the first filter core and the second filter core are detachable structure, are conducive to first
The replacement of filter core and the second filter core.
Further, 111 outer wall of the first seal closure is equipped with the first pillar 1111 of multiple protrusions, first filter
When core 112 is fastened in the first card slot of first seal closure 111,1111 outer end of the first pillar is contradicted described first
On the inner wall of filter core 112；Second pillar 1211 of the outer wall of second seal closure 121 equipped with multiple protrusions, described second
When filter core 122 is fastened in the second card slot of second seal closure 121,1211 outer end of the second pillar is contradicted described the
On the inner wall of two filter cores 122.This programme can expand the first filter chamber and the second mistake by the first pillar of setting and the second pillar
The volume of filter chamber, to promote protective face mask to the filter effect of air.
Further, it is connected with the first sealing ring (not indicated in figure) on 111 edge of the first seal closure, described first
Sealing ring is for being arranged on the outside of user's nose；The second sealing ring is connected with (in figure not on second seal closure, 121 edge
Mark), second sealing ring is for being arranged on the outside of user's mouth and nose.This programme improves protective face mask and user's face
The leakproofness of contact, to improve protection effect.
Further, the protective face mask further includes cover 14, and the cover 14 is detachably arranged at 11 He of mask
12 outside of mask.
With reference to Fig. 5, Fig. 6, the utility model second embodiment provides another mouth and nose and separates protective face mask 2, with first
The difference of embodiment is, in the present embodiment, the protective face mask includes seal closure 20, the first sealing ring 21, the second sealing ring
22, filter core 23 and cover 24,20 outer wall of seal closure are equipped with the flange that extends from edge towards center position, the flange and
Card slot is formed between the outer wall of seal closure 20, the card slot makes filter core 23 and seal closure for blocking the edge for setting the filter core 23
Filter chamber 200 is formed between 20；First sealing ring 21 and the second sealing ring 22 are arranged at 20 inside of seal closure, form cloth
The the second protection chamber setting the first protection chamber on the outside of user's oral area and being arranged on the outside of user's nose；First sealing
Circle 21 is equipped with the first breather cheek valve 211 and the first unidirectional air outlet valve 212, and first breather cheek valve 211 is anti-from first
Shield chamber is through in filter chamber 200, can be opened to the first protection cavity direction, the first unidirectional air outlet valve 212 is protected from first
Chamber is through to outside protective face mask 2, can be opened outward；Second sealing ring 22 is equipped with 221 He of the second breather check valve
Second unidirectional air outlet valve 222, second breather cheek valve 221 are through in filter chamber 200 from the second protection chamber, can be to second
Cavity direction is protected to open, the second unidirectional air outlet valve 222 is through to outside protective face mask 2 from the second protection chamber, can be outward
It opens.Compared with first embodiment, the present embodiment is more likely formed filtering cavity configuration.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
It is practical new to should be included in this for made any modifications, equivalent replacements, and improvements etc. within the spirit and principles of the utility model
Within the protection scope of type.
Claims (6)
1. a kind of mouth and nose separate protective face mask, which is characterized in that the nose cup including mask and above mask,
The mask includes the first seal closure and the first filter core, and first seal closure is enclosed inwardly to be made for being located at
The first protection chamber on the outside of user's oral area；First filter core is covered on the outside of first seal closure, with the first seal closure it
Between form the first filter chamber, for filtering from the external air for flowing into first filter chamber；First is additionally provided on the mask
Breather check valve and the first outgassing nonreturn valve, first breather check valve are through in the first filter chamber from the first protection chamber,
And it can be opened to the first protection cavity direction；First outgassing nonreturn valve is through on the outside of mask from the first protection chamber, and can be to
It opens in outside；
The nose cup includes the second seal closure and the second filter core, and second seal closure is enclosed inwardly to be made for being located at
The second protection chamber on the outside of user's nose；Second filter core is covered on the outside of second seal closure, with the second seal closure it
Between form the second filter chamber, for filtering from the external air for flowing into second filter chamber；Second is additionally provided on the nose cup
Breather check valve and the second outgassing nonreturn valve, second breather check valve are through in the second filter chamber from the second protection chamber,
And it can be opened to the second protection cavity direction；Second outgassing nonreturn valve is through on the outside of nose cup from the second protection chamber, can be outside
It opens side；
First filter chamber is connected to the second filter chamber.
2. a kind of mouth and nose according to claim 1 separate protective face mask, which is characterized in that the protective face mask further includes leading to
Tracheae, the snorkel is for being connected to first filter chamber and the second filter chamber.
3. a kind of mouth and nose according to claim 2 separate protective face mask, which is characterized in that the outer wall of first seal closure
It is equipped with the first flange for extending from edge towards center position, forms the between first flange and the outer wall of the first seal closure
One card slot, first card slot connect first filter core with the first seal closure for blocking the edge for setting first filter core；
The outer wall of second seal closure is equipped with the second flange for extending from edge towards center position, second flange and second close
The second card slot is formed between the outer wall of sealing cover, second card slot makes described second for blocking the edge for setting second filter core
Filter core is connect with the second seal closure.
4. a kind of mouth and nose according to claim 3 separate protective face mask, which is characterized in that on the first sealing cover outer wall
The first pillar equipped with multiple protrusions, when first filter core is fastened in the first card slot of first seal closure, described
One pillar outer end contradicts on the inner wall of first filter core；The outer wall of second seal closure is equipped with the second of multiple protrusions
Pillar, when second filter core is fastened in the second card slot of second seal closure, second pillar outer end is contradicted in institute
On the inner wall for stating the second filter core.
5. a kind of mouth and nose according to claim 4 separate protective face mask, which is characterized in that first seal closure includes position
In the first sealing ring on inner edge, first sealing ring is for being arranged on the outside of user's oral area；The second seal closure packet
The second sealing ring being located on inner edge is included, second sealing ring is for being arranged on the outside of user's nose.
6. a kind of mouth and nose according to claim 5 separate protective face mask, which is characterized in that the protective face mask further include to
The cover that inside encloses, the mask and nose cup are fixed on the inside of the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195859.0U CN209714045U (en) | 2019-02-13 | 2019-02-13 | Mouth and nose separate protective face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195859.0U CN209714045U (en) | 2019-02-13 | 2019-02-13 | Mouth and nose separate protective face mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209714045U true CN209714045U (en) | 2019-12-03 |
Family
ID=68683007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195859.0U Active CN209714045U (en) | 2019-02-13 | 2019-02-13 | Mouth and nose separate protective face mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209714045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359114A (en) * | 2020-03-31 | 2020-07-03 | 山东师范大学 | Shoulder-back type respirator for preventing and treating infectious virus pneumonia |
| CN113181572A (en) * | 2021-03-24 | 2021-07-30 | 上海理工大学 | Replaceable mask capable of being used for long time |
-
2019
- 2019-02-13 CN CN201920195859.0U patent/CN209714045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359114A (en) * | 2020-03-31 | 2020-07-03 | 山东师范大学 | Shoulder-back type respirator for preventing and treating infectious virus pneumonia |
| CN113181572A (en) * | 2021-03-24 | 2021-07-30 | 上海理工大学 | Replaceable mask capable of being used for long time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518116 New Zhongqiao Industrial Park, No. 3, Baolong Six Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, Building A, 101, 201, 601B, Building C, 101, 201 and 401 (There are operating sites in Dolly Industrial Park, Building A, No. 9 Jinlong Road, Baolong Street, Longgang District, Shenzhen City). Patentee after: Shenzhen meimeimeichuangyi Medical Technology Co., Ltd Address before: 518116 New Zhongqiao Industrial Park, No. 3, Baolong Six Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, Building A, 101, 201, 601B, Building C, 101, 201 and 401 (There are operating sites in Dolly Industrial Park, Building A, No. 9 Jinlong Road, Baolong Street, Longgang District, Shenzhen City). Patentee before: MEHOW INNOVATIVE Ltd. |
|
| CP01 | Change in the name or title of a patent holder |