CN203677777U

CN203677777U - Mask capable of forming closed breathing cavity with face

Info

Publication number: CN203677777U
Application number: CN201420053534.6U
Authority: CN
Inventors: 胡昀
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-27
Filing date: 2014-01-27
Publication date: 2014-07-02
Anticipated expiration: 2024-01-27

Abstract

The utility model discloses a mask capable of forming a closed breathing cavity with the face. When a user wears an existing mask, a gap easily exists between a mask body and the face, and the user breathes in unfiltered external air. According to the mask capable of forming the closed breathing cavity with the face, a mask body is made of flexible non-breathable materials with rigidity and is provided with an air inlet, breathable holes, a filter core, a fan, a power source supplying power to the fan, a switch controlling the fan to work, air exhaust holes, an air outlet and an attachment air bag. The attachment air bag is in an annular shape, the concaved breathing cavity is formed in the middle of the attachment air bag, an inflation inlet is formed in the attachment air bag, the breaching cavity is communicated with an air exhaust channel through the air exhaust holes, the air inlet is communicated with the breathable holes through an air inlet channel, the filter core and the fan are located in the air inlet channel, and an air outlet of the fan is communicated with the inflation inlet of the attachment air bag. When the user wears the mask, the attachment air bag makes contact with the face, the degree of tight fit between the mask and the face is ensured, and the problem that the user breathes in unfiltered external air due to the fact that the gap exists between the mask and the face is avoided.

Description

Can form with face the mouth mask of airtight respiratory cavity

Technical field

The utility model belongs to mouth mask, is specifically related to a kind of mouth mask that can form with face airtight respiratory cavity, and while avoiding dressing, the outside air of filtered is because existing gap to be inhaled between mouth mask and face.

Background technology

Mouth mask is used for stoping the harmful visible or sightless harmful substance of air to be filtered, thereby can not bring bad impact to human body.

On market, common mouth mask mostly is multilayer cotton cloth respirator and filter course mouth mask, the two is to be realized and being filtered by the gauze as cover body or filter course, and in order to guarantee filter effect, the gas permeability of gauze or air-permeable layer reduces, thereby affect eupnea, even cause expiratory dyspnea.For solving this technical problem, someone has proposed to improve airflow filtering amount by blower fan under the prerequisite that guarantees filter effect and has realized the demand that human normal is breathed.But, although the mouth mask described with blower fan can provide enough air-flows, but ignored cover body and the closed intensity with face shape in the time of design, the outside air of filtered can be inhaled into from the gap between mouth mask and face when wearing, reduce and dress effect.

Utility model content

The technical assignment of the technical problems to be solved in the utility model and proposition is that the outside air that overcomes existing mouth mask filtered in the time dressing can be inhaled into from the gap between mouth mask and face, reduce the defect of dressing effect, a kind of mouth mask that can form with face airtight respiratory cavity is provided, and while avoiding dressing, the outside air of filtered is because existing gap to be inhaled between mouth mask and face.

For achieving the above object, the mouth mask that can form with face airtight respiratory cavity of the present utility model, comprise cover body, be connected on cover body is suspension member, it is characterized in that: described cover body is made up of non-gas permeable material soft and that have a rigidity, described cover body is provided with air inlet, air-vent, cross filter core, blower fan, for the power supply of described blower fan work, control the control circuit of blower fan work, steam vent, laminating air bag, described control circuit comprises switch, described laminating air bag be loop shaped and therebetween position form depression respiratory cavity, described laminating air bag has inflation inlet, described steam vent communicates with described exhaust outlet through exhaust passage, described air inlet communicates with described air-vent through inlet channel, described filter core excessively, blower fan is arranged in described inlet channel, and the air outlet of described blower fan also communicates with described laminating airbag aeration mouth.

As optimization technique means: described inflation inlet comprises a breather cheek valve, for described laminating air bag also configures a pressure-relief valve.Concrete, described breather cheek valve and pressure-relief valve split setting or be wholely set.

As optimization technique means: the air outlet of described blower fan is provided with bypass gas port, the inflation inlet described in described bypass gas port correspondence and described bypass gas port is positioned at the space of a sealing with inflation inlet or described bypass gas port is connected with described inflation inlet.

As optimization technique means: described mistake before or after filter core is positioned at described blower fan; The described filter core of crossing is assemblied in described inlet channel replaceably.

As optimization technique means: described switch is speed-regulating switch; Described cover body is provided with charging inlet.

As optimization technique means: described air-vent is multiple and disperses to distribute with respect to described respiratory cavity.

As optimization technique means: the middle part of the described corresponding described respiratory cavity of steam vent.

As optimization technique means: described cover body forms double-layer structure by internal layer, skin, cross the edge that filter core, blower fan, power supply, switch are assemblied in internal layer and outer field interlayer and are arranged on cover body.Further, described internal layer, skin are releasably assembled together.

The beneficial effects of the utility model are:

1, passed through filter core and realized filtration, and improved airflow filtering amount by blower fan and realize the demand that human normal is breathed; Cross replaceable filter element, make mouth mask for a long time repeatedly use;

2, be laminating airbag aeration by blower fan, the air bag of fitting when wearing contact at face, assurance mouth mask and facial closed intensity, and while avoiding dressing, the outside air of filtered is because existing gap to be inhaled between mouth mask and face;

3, by breather cheek valve, pressure-relief valve for laminating disposition of gasbag, the air pressure in laminating air bag can be controlled to suitable pressure, make to dress comfortable;

4, while use, can, by the Bas Discharged in laminating air bag, if desired, for fear of damaging filter core, can take out crossing filter core, folding mouth mask is to deposit.

Accompanying drawing explanation

Fig. 1 is the front elevational schematic that can form with face the lateral surface of the mouth mask of airtight respiratory cavity of the present utility model;

Fig. 2 is the front elevational schematic that can form with face the medial surface of the mouth mask of airtight respiratory cavity of the present utility model;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is the right view of Fig. 1;

Fig. 5 is a kind of structural representation of the left view of Fig. 1;

Fig. 6 is the another kind of structural representation of the left view of Fig. 1;

Number in the figure explanation:

01-cover body, 11-internal layer, 12-skin, 13-air-vent, 14-steam vent, 15-exhaust passage, 16-check valve, 17-inlet channel;

02-is suspension member;

03-crosses filter core;

04-blower fan;

05-power supply;

06-switch;

The 07-air bag of fitting, 71-inflation inlet, 72-breather cheek valve, 73-pressure-relief valve;

08-respiratory cavity;

09-charging inlet.

The specific embodiment

Below in conjunction with Figure of description, the utility model is described further.

As shown in Fig. 1-6, the mouth mask that can form airtight respiratory cavity with face of the present utility model comprises cover body 01, being connected on cover body 01 is suspension member 02, be suspension member for dressing cover body, cover body 01 is made up of non-gas permeable material (as silica gel) soft and that have a rigidity, for avoiding cover body itself ventilative, and softness and the material with rigidity are convenient to stored collapsed mouth mask, when wearing contact in the time of face comparatively comfortable and by cover body remain on specific form be suitable for dress breathe, cover body 01 be provided with air inlet (not shown in the figures, the inlet channel 17 that particular location is below being addressed, cross filter core 03, the airflow passes path that blower fan 04 forms foremost), air-vent 13(is referring to Fig. 2), cross filter core 03(referring to Fig. 1, 5, 6), blower fan 04(is referring to Fig. 1, 5, 6), supply the power supply 05(of blower fan work referring to Fig. 1, 4), control the control circuit of blower fan work, steam vent 14(is referring to Fig. 2), laminating air bag 07(is referring to Fig. 2), control circuit comprises that switch 06(is referring to Fig. 1, 3, 5, 6), in order to make the described filter core 03 of crossing, blower fan 04, power supply 05, switch 06 does not affect the attractive in appearance of mouth mask in comparatively hidden position, cover body 01 is by internal layer 11, outer 12 form double-layer structure, cross filter core 03, blower fan 04, power supply 05, switch 06 is assemblied in internal layer 11 and outer 12 interlayer and is arranged on the edge of cover body 01, clear in order to represent, each structure all represents with solid line, specific product is hidden in interlayer invisible, shown in Fig. 5 cross filter core 03 be positioned at cover body 01 bottom margin and cross filter core air inlet down, shown in Fig. 6 cross filter core 03 be positioned at cover body bottom margin and cross filter core air inlet outwardly, when concrete manufacture, can be according to power of fan, structure of crossing filter core etc. designed the size of filter core, blower fan 04, switch 06 are positioned at the upper left corner of Fig. 1, and power supply 05 is positioned at the lower right corner of Fig. 1, while specifically manufacture, blower fan, switch are not limited in to this position, can be located at according to the structure fabric of blower fan, switch other position of cover body, further, internal layer 11, outer 12 is releasably assembled together, and is convenient to dismounting clean,

As shown in Figure 2, laminating air bag 07 be loop shaped and therebetween position form depression respiratory cavity 08, the respiratory cavity of depression can provide larger space supply to breathe smooth and easy and avoid cover body to oppress the bridge of the nose, laminating air bag 07 has inflation inlet 71, the air bag 07 of fitting when wearing is inflated through inflation inlet 71 by blower fan 04, the laminating air bag of inflation contacts at face, guarantee mouth mask and facial closed intensity, thereby by cover body 01, laminating air bag 07, face is surrounded as airtight respiratory cavity 08, the passage of avoiding the outside air that exists gap to form filtered between mouth mask and face to be inhaled into,

Steam vent 14 communicates with exhaust outlet through exhaust passage 15, the effect of this exhaust passage 15 is to control unidirectional the discharging and stop outside air to be inhaled into respiratory cavity through this exhaust passage of air-flow of breathing out, therefore, this exhaust passage comprises that a check valve 16 is advisable, Fig. 1,4 shows such check valve 16, and it is assemblied in exhaust ports; According to the above-mentioned effect of exhaust passage 15, its version is discharging the air-flow in respiratory cavity through steam vent, therefore, when concrete enforcement, it can be the pipeline arranging separately, also can be the passage that cover body originally forms with it, can also be that the passage originally being formed with it by the pipeline arranging separately and cover body is formed by connecting;

Air inlet communicates with air-vent 13 through inlet channel 17, and filter core 03, blower fan 04 are arranged in inlet channel 17 excessively, and therefore, while starting blower fan, outside air is transferred to respiratory cavity 08 and sucks for human body through air inlet, inlet channel 17, air-vent 13; Same, the version of this inlet channel 17 is inputting respiratory cavity by blower fan by extraneous air, therefore, when concrete enforcement, it can be the pipeline arranging separately, also can be the passage that cover body originally forms with it, can also be that the passage originally being formed with it by the pipeline arranging separately and cover body is formed by connecting;

And the air outlet of blower fan 04 also communicates with inflation inlet 71.

Dress when mouth mask and can operate as follows: first by being that mouth mask is worn on face by suspension member 02, restart blower fan 04, outside air is sucked by blower fan, outside air one tunnel sucking through air inlet is transferred to respiratory cavity 08 through inlet channel 17, air-vent 13, another road is filled with laminating air bag 07 through inflation inlet 71, in the time that the air pressure in laminating air bag 07 reaches certain pressure, can not in laminating air bag, inflate again, laminating intracapsular pressure remains stable, and the outside air being sucked by blower fan will all be carried to respiratory cavity.

Need take off mouth mask time, can operate as follows: disable motor, solution open system suspension member 02 are foldable for storage, and the air pressure of fitting therebetween in air bag reduces (as by inflation inlet pressure release).

As further improving and supplementing technique scheme, the utility model also comprises following additional technical characterictic, although Fig. 1-6 have comprised following all additional technical features, it is preferred embodiment of the present utility model, but the utility model is not limited to this situation, in the time implementing the utility model, according to concrete effect, they are selected in the technical scheme described in epimere.

First, inflation inlet 71 comprises a breather cheek valve 72, for laminating air bag 07 also configures a pressure-relief valve 73, such structure makes in the time that laminating air bag 07 is inflated, once the air pressure in laminating air bag reaches certain pressure, can close breather cheek valve, the air pressure in laminating air bag is controlled to stable pressure state; And in the time that laminating air bag internal gas pressure is too high, can pressure release by pressure-relief valve, what is more important, when closing after blower fan, can discharge the pressure air of fitting in air bag by the extruding air bag of fitting by relief valve.In the specific implementation, breather cheek valve 72 and pressure-relief valve 73 can split settings (being shown in Fig. 2 so), can also be wholely set.

Secondly, the air outlet of blower fan 04 is provided with bypass gas port, this bypass gas port can directly be connected in the outlet of blower fan, also can separate from described inlet channel 17, the corresponding inflation inlet of bypass gas port and bypass gas port and inflation inlet are positioned at the space of a sealing or bypass gas port and are connected with inflation inlet and all can realize inflation.

The 3rd, cross filter core 03 be positioned at blower fan before or after (before or after described, determined by the flow direction of air-flow, upstream be before, downstream be after) all do not affect the conveying of air-flow.

The 4th, cross filter core 03 be assemblied in replaceably in inlet channel 17 so as to change, and according to different use occasions select different filter effects cross filter core.

The 5th, switch 06 is speed-regulating switch, rotating speed, the throughput that can change blower fan by switch be suitable for human body at different conditions the demand to air capacity, when as static in human body, the air capacity of demand is less, when motion, the air capacity of demand is more; Further, this speed-regulating switch can be driving switch, also can be stepless speed-regulating switch.

The 6th, cover body 01 is provided with charging inlet 09, and it is positioned at the lower right corner of Fig. 1, while specifically manufacture, charging inlet is not limited in to this position, can charging inlet be laid according to the structural design of product to other correct position of cover body.

The 7th, air-vent 13 is multiple and with respect to respiratory cavity 08 dispersion distribution, the air that blower fan is carried is into dispersed rather than concentrates in together, and avoids breathing uncomfortable.

The 8th, the middle part of the corresponding respiratory cavity 08 of steam vent 14, to dress corresponding nostril when mouth mask, is beneficial in time the air-flow of breathing out is discharged.

Claims

1. can form with face the mouth mask of airtight respiratory cavity, comprise cover body (01), be connected on cover body (01) is suspension member (02), it is characterized in that: described cover body (01) is made up of non-gas permeable material soft and that have a rigidity, described cover body (01) is provided with air inlet, air-vent (13), cross filter core (03), blower fan (04), for the power supply (05) of described blower fan work, control the control circuit of blower fan work, steam vent (14), exhaust outlet, laminating air bag (07), described control circuit comprises switch (06), described laminating air bag (07) be loop shaped and therebetween position form depression respiratory cavity (08), described laminating air bag (07) has inflation inlet (71), through exhaust passage, (15) communicate with exhaust outlet described steam vent (14), described air inlet communicates with described air-vent (13) through inlet channel (17), described filter core (03) excessively, blower fan (04) is arranged in described inlet channel (17), and the air outlet of described blower fan (04) also communicates with described inflation inlet (71).

2. the mouth mask that can form with face airtight respiratory cavity according to claim 1, is characterized in that: described inflation inlet (71) comprises a breather cheek valve (72), for described laminating air bag (07) also configures a pressure-relief valve (73).

3. the mouth mask that can form with face airtight respiratory cavity according to claim 1 and 2, it is characterized in that: the air outlet of described blower fan (04) is provided with bypass gas port the inflation inlet (71) described in described bypass gas port correspondence and described bypass gas port is positioned at the space of a sealing with inflation inlet (71) or described bypass gas port is connected with described inflation inlet (71).

4. the mouth mask that can form with face airtight respiratory cavity according to claim 2, is characterized in that: described breather cheek valve (72) and pressure-relief valve (73) split setting or be wholely set.

5. the mouth mask that can form with face airtight respiratory cavity according to claim 1, is characterized in that: before or after described mistake filter core (03) is positioned at described blower fan (04); The described filter core (03) of crossing is assemblied in described inlet channel (17) replaceably.

6. the mouth mask that can form with face airtight respiratory cavity according to claim 1, is characterized in that: described switch (06) is speed-regulating switch; Described cover body (01) is provided with charging inlet (09).

7. the mouth mask that can form with face airtight respiratory cavity according to claim 1, is characterized in that: described air-vent (13) is multiple and disperses to distribute with respect to described respiratory cavity (08).

8. the mouth mask that can form with face airtight respiratory cavity according to claim 1, is characterized in that: the middle part of the described corresponding described respiratory cavity of steam vent (14) (08).

9. the mouth mask that can form with face airtight respiratory cavity according to claim 1, it is characterized in that: described cover body (01) forms double-layer structure by internal layer (11), outer (12), cross in the interlayer that filter core (03), blower fan (04), power supply (05), switch (06) be assemblied in internal layer (11) and outer (12) and be arranged on the edge of cover body (01).

10. the mouth mask that can form with face airtight respiratory cavity according to claim 9, is characterized in that: described internal layer (11), outer (12) are releasably assembled together.