CN212941055U - Fresh air breathing device - Google Patents

Abstract

The utility model discloses a full fresh air breathing device relates to medical appliances technical field. The device comprises a breathing mask and a connecting part used for being hung on the neck of a human body. The one end of adapting unit is provided with the clarifier subassembly, the other end of adapting unit is provided with the power supply module that is used for the power supply of clarifier subassembly, and is used for connecting the length of the power supply line of power supply module and clarifier subassembly is greater than adapting unit's length. Respirator include the face guard body, the face guard body on be located the below of nostril and be provided with the breather valve, the face guard body in be provided with air water conservancy diversion chamber, the lower part of the face guard body be provided with the fresh air inlet that air water conservancy diversion chamber is linked together, the inboard top that is located the nostril of the face guard body is provided with the fresh air outlet that is linked together with air water conservancy diversion chamber. The device can filter the virus and prevent the haze, and the non-resistance wears comfortablely, pleasing to the eye fashionable whole new trend respiratory device of string neck formula.

Description

Fresh air breathing device

Technical Field

The utility model belongs to the technical field of the medical appliances technique and specifically relates to a respiratory device that can supply with fresh air voluntarily.

Background

The most typical manifestation of air pollution, haze formation due primarily to the stable suspension of airborne particulates, particles less than 10 microns in diameter, pm10, known as "respirable particulates", can be deposited in the respiratory tract over the human body's heavy line of defense, is of increasing concern. The particles with the diameter less than 2.5 microns, namely pm2.5, are more tiny, can adsorb toxicants and pathogens more easily, can penetrate into bronchus and alveolus smoothly and freely, and even can penetrate through the vessel wall to reach blood, so that diseases such as respiratory tract, heart and cerebral vessels are caused.

At present, the common method is to use a wearing mask to prevent and treat virus propagation and air pollution, and the mask is divided into more than one minute: the common cotton mask can filter dust and pollen with larger particles in the air; the common medical mask can block the propagation of spray and filter a part of aerosol; the pm2.5 level mask can effectively filter particles with the particle size of more than 0.3 mu m in the air.

The mask of Pm2.5 level can effectively filter inhalable particles and viruses, but because the filter material fibers are arranged closely and have higher requirement on the tightness, the air resistance is higher, and the blood oxygen concentration can be reduced after long-term wearing, thereby bringing physiological and cell problems.

In order to solve the problem that the air resistance of a pm 2.5-level mask is large, an active air supply electric mask appears in the market in two years, and mainly uses a miniature centrifugal fan as power to enable air to pass through a pm 2.5-level filter screen and be conveyed into a breathing mask. The new trend air inlet of this kind of product generally all is located respirator's lower part at present, can collide the interference with the gaseous emergence of human exhalation like this to make the human body breathe the messenger next time, partly by the gas of exhalation have again inhaled the human body in, can't really realize the circulation of air.

In addition, the products on the market at present have the following problems:

first, the host computer is fixed at waist or arm, carries clean air to respirator in through the gas-supply pipe, and its shortcoming is: the long air pipe greatly influences the attractiveness and the movement comfort level, a part of air pressure is lost, and the output air volume is greatly reduced under the condition that the power of the fan is constant.

Secondly, highly integrate pm2.5 filter element, centrifugal fan, battery and respirator on a casing of moulding plastics, a plastic casing that has certain thickness detains on the mouth nose, has strict requirement to annex weight, so fan size, power, battery capacity all are restricted strictly, obvious shortcoming is: the wearing comfort is poor, a vision blind area can be caused, a certain oppression feeling is caused after the wearing of the electric fan for a long time, the electric fan is particularly not suitable for severe exercise, the vibration of the fan is transmitted into ears through solids, the noise is high, the periphery of the shell is not tightly sealed, and air leakage and the like are caused.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a full fresh air respiratory device, the device can filter the virus and prevent the haze, and the non-resistance wears comfortablely, the full new trend respiratory device of neck formula of hanging of pleasing to the eye fashion.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a full fresh air breathing device, includes respirator, clarifier subassembly and power supply module, respirator include the face guard body, the face guard body on be located the below of nostril and be provided with the breather valve, the face guard body in be provided with air water conservancy diversion chamber, the lower part of the face guard body be provided with the fresh air inlet that air water conservancy diversion chamber is linked together, the inboard top that is located the nostril of the face guard body is provided with the fresh air outlet that is linked together with air water conservancy diversion chamber.

Further, the air diversion cavity is at the edge of the mask body.

Furthermore, a cushion pad is fixedly arranged at the edge of the mask body, and the air guide cavity is positioned in the cushion pad.

Furthermore, still include and be used for hanging at the adapting unit of human neck, purifier subassembly and power module set up respectively in adapting unit's both ends, and be used for connecting the length of the power supply circuit of power module and purifier subassembly is greater than adapting unit's length.

Furthermore, the connecting part adopts a tubular structure with a hollow interior, and the power supply circuit is positioned in the connecting part.

Further, the purifier subassembly include centrifugal fan and fixed set up in first shell body on the centrifugal fan, first shell body in be provided with the filter core that centrifugal fan's air intake links to each other, be provided with the inlet port on the outer terminal surface of first shell body, centrifugal fan's gas outlet pass through air conduit with respirator's new trend air inlet links to each other.

Further, the centrifugal fan and the filter element are provided with an active carbon filtering shell between, two ends of the active carbon filtering shell are respectively fixedly connected with the centrifugal fan and the filter element, and the active carbon filtering shell is filled with active carbon.

Furthermore, the filter element adopts a HEPA grade round filter element.

Furthermore, the power supply assembly comprises a second outer shell, and a power supply is fixedly arranged in the second outer shell.

Furthermore, a speed regulator for controlling the rotating speed of the centrifugal fan is arranged in the second shell, and a control knob of the speed regulator penetrates through the side wall of the second shell and extends to the outside of the second shell.

The utility model has the advantages that:

1. the design of the internal cavity of the breathing mask can realize that clean air is conveyed to the upper end of the breathing mask from the air cavity at the bottom of the breathing mask along the input back edge, so that the direct blow nostril is avoided, the collision interference is generated between the clean air and the gas exhaled by the human body, and the ordered circulation of the air flow in the breathing mask can be ensured.

2. Through setting up the air chamber in respirator's edge to with human facial laminating when wearing, can play the effect of buffering on the one hand, avoid respirator edge to cause excessive extrusion to human face, on the other hand can also preheat the air through the air wall, avoids causing the amazing to the nasal cavity, and this function is especially suitable for the crowd that has rhinitis.

3. The design of hanging the neck formula is adopted, can shorten air conduit's length, has increased disguise, and the breather valve increases the combination of power fan, makes waste gas in time discharge, has fully guaranteed the inside malleation environment of breathing mask, makes to breathe more smoothly.

4. The wearing mode adopts the hanging neck type, the filter and the power supply are symmetrically arranged, the system weight is shared on average, the battery pack and the fan can not be limited by weight and volume in model selection, and the requirements on fresh air volume and endurance under the motion state are really met.

5. The combination of the filter element and the active carbon can kill bacteria and viruses and filter peculiar smell while efficiently filtering inhalable particles.

Drawings

FIG. 1 is a schematic view of the whole structure of a fresh air respirator;

FIG. 2 is a first perspective view of a respiratory mask;

FIG. 3 is a schematic perspective view of a second embodiment of a respiratory mask;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a third schematic perspective view of a respiratory mask;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5;

FIG. 7 is a rear view of the respiratory mask;

FIG. 8 is a schematic view of the connection between the cushion and mask body;

FIG. 9 is a schematic diagram of the internal structure of the main body part;

FIG. 10 is an enlarged view of the portion C of FIG. 9;

FIG. 11 is an enlarged view of portion D of FIG. 9;

FIG. 12 is an exploded view of the purifier assembly;

FIG. 13 is a schematic perspective view of a centrifugal fan;

FIG. 14 is a schematic perspective view of an activated carbon filter housing;

FIG. 15 is a cross-sectional view of the edge of the respiratory mask positioned over the nostrils of the second embodiment.

In the figure: 1-a breathing mask, 11-a mask body, 12-a breathing valve, 13-a buffer cushion, 131-a fresh air inlet, 132-a fresh air outlet, 133-an air diversion cavity,

2-connecting part, 21-male connector, 22-female connector,

3-an air duct, which is provided with a plurality of air ducts,

4-purifier assembly, 41-centrifugal fan, 411-centrifugal fan housing, 412-first mounting cartridge, 413-second mounting cartridge, 414-first lead tube, 42-first outer housing, 43-activated carbon housing, 431-cylinder, 432-first partition, 433-second partition, 434-air leakage hole, 435-activated carbon, 44-filter element, 441-third mounting cartridge,

5-power supply assembly, 51-second lead tube.

Detailed Description

Example one

As shown in fig. 1, a fresh air breathing apparatus includes a breathing mask 1 and a connecting part 2 for hanging on the neck of a human body. One end of the connecting part 2 is provided with a purifier assembly 4, the other end of the connecting part 2 is provided with a power supply assembly 5 for supplying power to the purifier assembly 4, and the length of a power supply line for connecting the power supply assembly 5 and the purifier assembly 4 is greater than that of the connecting part 2. Preferably, the connecting part 2 is of a hollow tubular structure, and the power supply line is located inside the connecting part 2.

As shown in fig. 2, the respiratory mask 1 includes a mask body 11, and a breathing valve 12 is disposed on the mask body 11 below the nostrils. An air diversion cavity 133 is arranged in the mask body 11, a fresh air inlet 131 communicated with the air diversion cavity 133 is arranged at the lower part of the mask body 11, and a fresh air outlet 132 communicated with the air diversion cavity 133 is arranged above the nostrils on the mask body 11. The mask body 11 is further provided with a head fixing strap (not shown in the figure) for fixing.

As a specific embodiment, as shown in fig. 7 and 8, a cushion pad 13 for buffering is fixedly disposed at the edge of the mask body 11, and the air guiding chamber 133 is a chamber extending along the path of the cushion pad 13 to form a closed loop. Preferably, the cushion pad 13 is made of silicone. As shown in fig. 3, 4, 5 and 6, a fresh air inlet 131 is disposed at a lower portion of the cushion pad 13, two fresh air outlets 132 are disposed above the nostrils of the cushion pad 13, and the two fresh air outlets 132 are arranged in a left-right symmetrical manner.

Thus, as shown in fig. 7, after the fresh air enters the air diversion cavity 133 from the fresh air inlet 131, the fresh air moves upward along the air diversion cavity 133 in two paths until reaching the fresh air outlet 132, and then flows out through the fresh air outlet 132.

Thus, there are two reasons for the design:

first, as for the circulation of air current, the gas that the human body exhaled can directly discharge outside respirator 1 through breather valve 12, the fresh air that flows out from fresh air gas outlet 132 can be from last down flowing to nostril department, realized clean new trend top-down and expelled waste gas, the function that is surrounded by the new trend all the time around the nose, just so can form a stable circulation flow structure, the air that newly gets into can not appear and the gas of exhaling bumps the problem of interference, guarantees the new freshness of breathing air.

Second, because air water conservancy diversion chamber 133 is located blotter 13, with facial laminating, like this, can utilize exhalation waste gas and human body temperature to preheat the new trend, avoid the new trend to produce the stimulation to the nasal cavity, this function is particularly useful for the crowd that has rhinitis.

As shown in fig. 9, 11 and 12, the purifier assembly 4 includes a centrifugal fan 41, a first outer casing 42 coaxially disposed with the air inlet is disposed at the air inlet of the centrifugal fan 41, and the first outer casing 42 is fixedly connected to a casing of the centrifugal fan 41. As a specific embodiment, as shown in fig. 13, a first mounting cylinder 412 is disposed on a casing on an air inlet side of the centrifugal fan 41 and is coaxial with the air inlet, an external thread is disposed on the first mounting cylinder 412, and an internal thread matching with the external thread of the first mounting cylinder 412 is disposed at an open end of the first outer casing 42, that is, the first outer casing 42 is fixedly connected to the casing of the air conditioner by a threaded connection.

The air outlet of the centrifugal fan 41 is connected with the fresh air inlet 131 of the breathing mask 1 through an air conduit 3.

As shown in fig. 11, an activated carbon 435 filter housing and a filter element 44 are provided in the outer cylinder in this order from inside to outside (the side close to the centrifugal fan 41 is the inside). The inner end of the active carbon 435 filtering shell is fixedly connected with the centrifugal fan shell 411 in a threaded connection mode, and the outer end of the active carbon shell 43 is fixedly connected with the filter element 44 in a threaded connection mode. The activated carbon shell 43 is filled with activated carbon 435.

As a specific embodiment, as shown in fig. 11 and 14, the activated carbon 435 filtering shell includes a cylindrical barrel 431, a first partition 432 and a second partition 433 are sequentially disposed in the cylindrical barrel 431 along an axial direction, and air leakage holes 434 are uniformly distributed on the first partition 432 and the second partition 433. As shown in fig. 13, a second mounting tube 413 is coaxially disposed inside the first mounting tube 412 on the housing on the air inlet side of the centrifugal fan 41, an external thread is disposed on the second mounting tube 413, and an internal thread matched with the external thread on the second mounting tube 413 is disposed at the inner end of the cylindrical body 431 of the activated carbon 435 filtering housing. As shown in fig. 12, a third mounting cylinder 441 is disposed at the inner end of the filter element 44, an external thread is disposed on the third mounting cylinder 441, and an internal thread matched with the external thread on the third mounting cylinder 441 is disposed at the outer end of the cylindrical body 431 of the activated carbon 435 filtering housing. The outer end surface of the first outer shell 42 is uniformly distributed with air inlet holes.

In operation, as shown in fig. 11, under the action of the centrifugal fan 41, air in the external environment sequentially passes through the air inlet hole of the first outer shell 42, the filter element 44, the activated carbon 435 and the centrifugal fan 41, finally flows out from the air outlet of the centrifugal fan 41, and enters the air guiding cavity 133 of the breathing mask 1 through the air conduit 3.

Preferably, the filter element 44 is a HEPA-grade circular filter element 44, the filtering efficiency of particles with the diameter of less than 0.3 micron (1/200 of the hair diameter) can reach more than 99.97 percent, the filter element is an effective filtering medium for fine inhalable particles such as dust and smoke and toxic and harmful substances such as bacteria, viruses and aerosol, a circular pleated structure is adopted, the filtering area is increased as much as possible under the condition of limited space, the wind resistance coefficient is reduced, and the service life of the filter element 44 is prolonged.

The power supply assembly 5 comprises a second outer shell, and a power supply is fixedly arranged in the second outer shell.

Further, a speed regulator for controlling the rotating speed of the centrifugal fan 41 is arranged in the second housing, a control knob of the speed regulator penetrates through the side wall of the second housing and extends to the outside of the second housing, and a through hole for accommodating the control knob is formed in the second housing. The lines for connecting the power supply, the centrifugal fan 41 and the controller are all located in the connecting part 2.

Here, the connecting member 2 is preferably made of a flexible member or an elastic member having a certain shape that can be changed according to the application. As a specific implementation manner, the connection component 2 described in this embodiment is made of a bamboo joint pipe, and as shown in fig. 10 and 11, a male connection component 21 and a female connection component 22 are respectively disposed at two ends of the bamboo joint pipe, and suspended ends of the male connection component 21 and the female connection component 22 are respectively provided with a threaded hole.

As shown in fig. 10 and 11, a first lead pipe 414 communicated with the inner space of the centrifugal fan case 411 is provided on the case opposite to the air inlet side of the centrifugal fan 41, and an external thread matched with the threaded hole of the male connector 21 is provided on the outer cylindrical surface of the first lead pipe 414. The second outer shell is provided with a second lead tube 51 communicated with the inner space of the second outer shell, and the outer cylindrical surface of the second lead tube 51 is provided with an external thread matched with the threaded hole of the female connector 22.

Example two

The edge of the mask body 11 of the respiratory mask 1 is provided with a cushion pad 13 curled towards the inner side of the mask body 11, one end of the cushion pad 13 is fixedly connected with the mask body 11, and the suspension side of the cushion pad 13 positioned below the position A with a certain distance above the nostrils is fixedly connected with the mask body 11 to form a cavity as shown in fig. 8. The suspension side of the cushion pad 13 above the position A is in a free suspension state, and during operation, fresh air can enter the mask body 11 through a gap between the cushion pad 13 above the position A and the mask body 11. Because the A position is positioned above the nostrils, the fresh air entering the mask can be still prevented from blowing the nasal cavity directly.

Preferably, the position A is 10mm above the nostril.

The rest of the structure is the same as the first embodiment.

EXAMPLE III

The connecting part 2 is the same as a neck hanging part of a neck hanging type Bluetooth headset in the prior art. Furthermore, two ends of the connecting part 2 are respectively provided with a universal loose joint with a certain degree of tension, one end of the universal loose joint is fixedly connected with the connecting part 2, and the other end of the reversing loose joint is fixedly connected with the shell or the second outer shell of the centrifugal fan 41.

The term "universal joint with a certain degree of tension" as used herein means that the angle can be adjusted as needed, but after the adjustment is stopped, the outward joint does not rotate under the action of its own weight in a free state, that is, the angle does not change after the adjustment is completed. The technology belongs to the prior art, and the specific structure of the universal loose joint is not described in detail.

The purpose of this design is to allow the distance M between the power module 5 and the purifier module 4 to be adjusted so as to create a pinch-off action to prevent falling.

The rest of the structure is the same as the first embodiment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a full fresh air breathing device, includes respirator, clarifier subassembly and power supply module, its characterized in that: respirator include the face guard body, the face guard body on be located the below of nostril and be provided with the breather valve, the face guard body in be provided with air water conservancy diversion chamber, the lower part of the face guard body be provided with the fresh air inlet that air water conservancy diversion chamber is linked together, the inboard top that is located the nostril of the face guard body is provided with the fresh air outlet that is linked together with air water conservancy diversion chamber.

2. A fresh air breathing apparatus according to claim 1, wherein: the air diversion cavity is at the edge of the mask body.

3. A fresh air breathing apparatus according to claim 2 wherein: the edge of the mask body is fixedly provided with a cushion pad, and the air guide cavity is positioned in the cushion pad.

4. A fresh air breathing apparatus according to claim 1, wherein: still including being used for hanging at the adapting unit of human neck, clarifier subassembly and power supply module set up respectively in adapting unit's both ends, and be used for connecting the length of the power supply line of power supply module and clarifier subassembly is greater than adapting unit's length.

5. A fresh air breathing apparatus according to claim 4 wherein: the connecting part is of a hollow tubular structure, and the power supply circuit is located inside the connecting part.

6. A fresh air breathing apparatus according to claim 4 wherein: the purifier subassembly include centrifugal fan and fixed set up in last first shell body of centrifugal fan, first shell body in be provided with the filter core that centrifugal fan's air intake links to each other, be provided with the inlet port on the outer terminal surface of first shell body, centrifugal fan's gas outlet pass through air conduit with respirator's new trend air inlet links to each other.

7. A fresh air breathing apparatus according to claim 6 wherein: the centrifugal fan and the filter element are provided with an active carbon filtering shell between, two ends of the active carbon filtering shell are respectively fixedly connected with the centrifugal fan and the filter element, and the active carbon filtering shell is filled with active carbon.

8. A fresh air breathing apparatus according to claim 6 wherein: the filter core adopt HEPA level circular filter core.

9. A fresh air breathing apparatus according to claim 6 wherein: the power supply assembly comprises a second outer shell, and a power supply is fixedly arranged in the second outer shell.

10. A fresh air breathing apparatus according to claim 9 wherein: the second outer shell is internally provided with a speed regulator for controlling the rotating speed of the centrifugal fan, and a control knob of the speed regulator penetrates through the side wall of the second outer shell and extends to the outside of the second outer shell.

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