CN210542937U

CN210542937U - Supplementary dustproof haze gauze mask of preventing that admits air

Info

Publication number: CN210542937U
Application number: CN201921222932.5U
Authority: CN
Inventors: 张谭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-19
Anticipated expiration: 2029-07-31

Abstract

The utility model provides an auxiliary air inlet dustproof and haze-proof mask, which belongs to the field of dustproof and haze-proof articles, and comprises a mask body and a filter assembly, wherein the mask body is provided with one-way air outlet holes which are arranged at the corresponding part of the lower part of the mask body and the mouth; the mask body is also communicated with an air inlet channel, the air inlet channel is of an L-shaped structure, an auxiliary fan is arranged at the air inlet end of the air inlet channel, the filter assembly is accommodated in the air inlet channel and is positioned behind the auxiliary fan along the air inlet direction; the filtering component comprises an activated carbon layer and an electrostatic cotton layer which are arranged in an up-down stacked mode. The utility model separates the auxiliary fan and the one-way air outlet, so that the normal expiration is not influenced even if the auxiliary fan continuously works; the air inlet channel is designed in an L-shaped structure, so that more filter assemblies can be filled, and the filtering effect is improved.

Description

Supplementary dustproof haze gauze mask of preventing that admits air

Technical Field

The utility model belongs to prevent haze articles for use field, concretely relates to supplementary dustproof haze gauze mask of preventing that admits air.

Background

At present, people often wear a mask to prevent fine particles such as dust and PM2.5 suspended in the air from being inhaled into the lungs. But present dustproof haze gauze mask of preventing all has the problem of breathing smoothly, and these gauze masks can breathe out steam wearing the in-process, and steam condenses into the drop of water on the gauze mask inner wall or remove the haze module, has not only reduced and has worn the comfort, can lead to removing the filtering capability variation of haze module moreover.

In order to solve the above problem, prior art (CN206542951U) discloses an auxiliary air inlet and outlet anti-haze mask, including the mask body and locate the filter equipment on the mask body, filter equipment with be equipped with turbofan between the mask body, be equipped with the air exit on the mask body, the pipe of airing exhaust is connected to the air exit, be equipped with the expiratory check valve on the pipe of airing exhaust. This prior art sets up turbofan behind antifog haze gauze mask filter core, and when people breathed in, the fan motion is supplementary to be accomplished and is admitted air, when breathing in the end, and the fan stops, and the completion that can be smooth and easy is breathed, and the air exit relates to and can discharges vapor smoothly. However, in the prior art, the air flow sensor is required to detect the breath of a person to control the operation or stop of the turbofan, the air outlet and the fan are arranged relatively close to each other, the turbofan is required to be controlled to stop when the person exhales, otherwise, the gas is not easy to exhaust, and the air flow sensor is an electronic device, so that the air flow sensor is easy to damage and is easy to cause inaccurate control after long-term use; in addition, the filter device has small filling amount of filter due to structural limitation, and the filter effect is not good;

SUMMERY OF THE UTILITY MODEL

Based on the above background problem, the utility model aims at providing an it prevents haze gauze mask to assist admits air, through setting up L type inlet channel, makes auxiliary fan and one-way venthole separately, and the gas of also time-lapse exhalation is discharged smoothly under auxiliary fan continuous operation's the condition, and need not pass through the control of air current sensor, and practical degree is high.

In order to achieve the above purpose, the utility model provides a technical scheme is:

an auxiliary air inlet dustproof and haze-proof mask comprises a mask body and a filtering assembly, wherein one-way air outlet holes are formed in the mask body and are formed in the position, corresponding to the mouth, of the lower portion of the mask body; still the intercommunication has inlet channel on the gauze mask body, just inlet channel is L type structure, inlet channel's inlet end is equipped with auxiliary fan.

The filter assembly is accommodated in the air inlet channel and is positioned behind the auxiliary fan along the air inlet direction.

In one embodiment, the auxiliary blower and the filter assembly are both removably disposed within the air intake passage.

Preferably, the auxiliary fan and the filter assembly are clamped in the air inlet channel through a buckle.

In one embodiment, the filter assembly comprises an activated carbon layer and an electrostatic cotton layer which are arranged in an up-down stacked mode.

Preferably, the activated carbon layer is disposed behind the electrostatic cotton layer in the air intake direction.

In one embodiment, the one-way air outlet hole is provided with a silica gel flap so that the one-way air outlet hole only exhausts air.

And the air inlet channel is also provided with a power supply for supplying power to the auxiliary fan, and the power supply is electrically connected with the auxiliary fan.

Preferably, the power supply is also electrically connected with an overload protector.

Compared with the prior art, the utility model discloses following effect has:

1. the utility model discloses with one-way venthole setting in gauze mask body lower part and the corresponding department of mouth position, the setting is separated with one-way venthole to supplementary fan holding at the inlet end of the inlet channel of intercommunication on the gauze mask body, supplementary fan, even supplementary fan lasts work, can not influence normal expiration yet.

2. The utility model discloses need not use airflow sensor control auxiliary fan's work or stop, the practicality is higher, and uses the longevity face longer.

3. The utility model discloses an auxiliary fan and filter assembly all can dismantle the setting in inlet channel, can change filter assembly after filter assembly reaches adsorption capacity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a side view of an auxiliary air-intake dustproof haze-proof mask in an embodiment of the present invention;

FIG. 2 is a side sectional view of the auxiliary air inlet dustproof haze-proof mask in the embodiment of the present invention;

fig. 3 is the embodiment of the utility model provides an in the embodiment main view of supplementary dustproof haze gauze mask that prevents that admits air.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the problems of the haze-proof mask in the prior art, the embodiment provides an auxiliary air-intake dust-proof haze-proof mask, as shown in fig. 1 and 2, which includes a mask body 1 and a filter assembly, wherein an air inlet channel 2 is communicated with the mask body 1, the air inlet channel 2 is in an L-shaped structure, and an auxiliary fan 201 is arranged at an air inlet end (i.e., a bottom end) of the air inlet channel 2; the filter assembly is accommodated in the air inlet channel 2 and is located behind the auxiliary fan 201 along the air inlet direction; one-way air outlet 101 is formed in the mask body 1, and the one-way air outlet 101 is formed in the position, corresponding to the mouth, of the lower portion of the mask body 1. The auxiliary fan 201 and the one-way air outlet 101 are arranged in a separated mode, and normal expiration cannot be influenced even if the auxiliary fan 201 continuously works.

In this embodiment, the one-way air outlet 101 is provided with a silica gel flap (not shown in the figure), the silica gel flap seals the one-way air outlet 101 during inhalation, and the silica gel flap opens the one-way air outlet 101 during exhalation, so that the exhaled air is exhausted. In another embodiment, a one-way valve may be disposed on the one-way air outlet hole 101 to realize one-way air outlet. Both the silica gel flap and the one-way valve belong to the prior art in the field.

In the present embodiment, as shown in fig. 2, the filter assembly includes an activated carbon layer 202 and an electrostatic cotton layer 203 that are stacked up and down, and both the activated carbon layer 202 and the electrostatic cotton layer 203 in the present embodiment are only provided with a single layer, but in a specific use, the present invention is not limited to the single layer arrangement, and in addition, the air inlet channel 2 in the present embodiment has an L-shaped structure, so that more activated carbon layers and electrostatic cotton layers can be filled, and the filtering is more thorough. In this embodiment, along the direction of admitting air, activated carbon layer 202 sets up the rear at the cotton layer 203 of static, and activated carbon layer 202 sets up the top at the cotton layer 203 of static promptly, and the gas that carries into through auxiliary blower 201 is earlier through the cotton layer 203 of static and is carried out primary adsorption and filtration, then carries out adsorption and filtration once more through activated carbon layer 202 again, guarantees to get into the air quality in the inlet cowling body 1.

In order to replace the activated carbon layer 202 and the electrostatic cotton layer 203, the auxiliary blower 201, the activated carbon layer 202, and the electrostatic cotton layer 203 may be detachably disposed in the air inlet channel 2. For the detachable mode, the detachable mode may be a snap-fit connection, or a threaded connection, and the detachable mode is not specifically limited in this embodiment.

In this embodiment, as shown in fig. 3, a power supply 3 for supplying power to the auxiliary blower 201 is further disposed on an outer wall of the air inlet channel 2, and the power supply 3 is electrically connected to the auxiliary blower 201. For convenience of use, the power supply 3 of the present embodiment is a rechargeable lithium battery. For right auxiliary fan 201 protects, power 3 still is electrically connected with overload protection ware, overload protection ware is prior art, and its concrete theory of operation and circuit connection diagram this embodiment will not be repeated again.

The utility model discloses a working process is: auxiliary fan 201 work inhales harmful gas to inlet channel 2 in, inhaled harmful gas carries out first adsorption and filtration through the cotton layer 203 of static earlier, then adsorbs the filtration once more through activated carbon layer 202 again, guarantees the air quality in the inlet cowling body 1, and exhaled gas has the one-way exhaust hole 101 of setting on gauze mask body 1 to discharge, prevents that the water smoke from condensing in gauze mask body 1.

The mask body 1 is further provided with a fixing member 102 for fixing a hanging string, and the mask body 1 is fixed to the face by the hanging string. The specific structure of the mask body 1 is the prior art, and this embodiment is not described in detail.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An auxiliary air inlet dustproof haze-proof mask comprises a mask body and a filtering assembly, and is characterized in that the mask body is provided with a one-way air outlet hole, and the one-way air outlet hole is formed in the position, corresponding to the mouth, of the lower portion of the mask body;

still the intercommunication has inlet channel on the gauze mask body, just inlet channel is L type structure, inlet channel's inlet end is equipped with auxiliary fan.

2. The auxiliary air-intake dust-and-haze preventing mask according to claim 1, wherein the filter assembly is accommodated in the air intake passage and located behind the auxiliary fan in an air intake direction.

3. The auxiliary air inlet dust and haze preventing mask according to claim 2, wherein both the auxiliary fan and the filter assembly are detachably arranged in the air inlet passage.

4. The auxiliary air-intake dust-and-haze-preventing mask according to claim 3, wherein the auxiliary fan and the filter assembly are clamped in the air-intake passage through a buckle.

5. The auxiliary air-intake dust-proof and haze-proof mask according to claim 1, wherein the filter assembly comprises an activated carbon layer and an electrostatic cotton layer which are stacked up and down.

6. The auxiliary air-intake dust-proof and haze-proof mask according to claim 5, wherein the activated carbon layer is arranged behind the electrostatic cotton layer along the air intake direction.

7. The auxiliary air-inlet dust-and-haze-proof mask according to claim 1, wherein the one-way air outlet holes are provided with silica gel flaps so that the one-way air outlet holes only give out air.

8. The auxiliary air inlet dust-proof and haze-proof mask according to claim 1, wherein a power supply for supplying power to the auxiliary fan is further arranged on the air inlet channel, and the power supply is electrically connected with the auxiliary fan.

9. The auxiliary air inlet dust-proof and haze-proof mask according to claim 8, wherein the power supply is further electrically connected with an overload protector.