CN212548018U - Split type fresh air mask device with long endurance and long-term filtration - Google Patents

Abstract

The utility model relates to a split type fresh air mask device with long endurance and long-term filtration, which comprises a mask main body, a wearing belt body, a fresh air active air supply mechanism and a storage battery mechanism, wherein the left lower side, the right lower side and the middle position of the mask main body are respectively provided with a left bayonet seat, a right bayonet seat and a one-way exhaust valve, and the edge of the mask main body is also provided with an air bag separation supporting edge; the fresh air active air supply mechanism can be conveniently installed on the left bayonet seat in an assembling and disassembling mode, the storage battery mechanism can be conveniently installed on the right bayonet seat in an assembling and disassembling mode, an electric wire is connected between the storage battery mechanism and the fresh air active air supply mechanism, and the mask main body is further provided with a three-way micro valve for switching air supply to the air bag and the mask. This product is convenient for wash alone, disinfect to the face guard main part, makes the face guard keep sanitary clean, can change the face guard main part, reduces user use cost, and battery duration is strong, the cassette life cycle is long, installs and removes the facility, hinders the dust and separates the advantage such as the effect that the flavor, block the germ is good.

Description

Split type fresh air mask device with long endurance and long-term filtration

Technical Field

The utility model relates to a face guard product field, especially a face guard device with clean air is carried in initiative.

Background

At present, a mask device with an active clean air delivery function sold in the market mainly comprises a mask main body, a wearing belt body and a fresh air active air supply mechanism arranged in the middle of the front surface of the mask main body, wherein the fresh air active air supply mechanism comprises a shell, a cover shell, a micro fan, a storage battery and a filter sheet, the cover shell and the filter sheet of the whole fresh air active air supply mechanism can be disassembled and assembled, so that a user can replace the filter sheet conveniently, other parts are fixed with the mask main body into a whole, and the user can not disassemble and assemble the mask device in the daily use process.

The mask device of the former type, in practical use, has been found to have the following main disadvantages:

firstly, the mask product of the type is designed with a replaceable air filter, and the main purpose is to facilitate repeated use of people and reduce the daily mask purchase cost; however, the fresh air active air supply mechanism and the mask main body are designed into a whole, so that the mask main body cannot be cleaned and sterilized, and the daily sanitary condition of the mask is greatly influenced.

Secondly, the storage battery and the filter are integrated on the same shell, so that the capacity of the storage battery and the service cycle of the filter are influenced by the volume and the size of the whole fresh air active air supply mechanism, the capacity of the battery cannot be improved within a reasonable volume range, and the specification of the filter is designed to be larger, so that the battery has shorter cruising ability in daily application of the mask, and the service time of the mask in production activities is greatly influenced; the filter sheet is required to be frequently replaced due to the fact that the specification is too small and the service cycle is short, and daily application cost of people is increased.

Thirdly, when the mask main body is damaged or aged, people can not only independently replace the mask main body and only scrap the whole mask, thereby greatly increasing the use cost of the mask of people, and causing great waste and being not environment-friendly.

The periphery of the mask main body is blocked by a soft edge made of soft rubber materials, so that the fit degree between the periphery of the mask and the face of a human body is poor, dust and smell easily enter the inner cavity of the mask from gaps and gaps between the periphery of the mask and the face of the human body, and the effect of really isolating the dust and the smell cannot be achieved; moreover, the soft rubber edge on the mask main body is long in wearing time, and the impression is easily left on the face of a human body, so that the blood on the face of the human body is not smooth, and the appearance and health of the human body are affected.

Fifthly, the fresh air active air supply mechanism is integrally arranged in the middle of the mask main body, all the functional modules are integrated, the whole volume is large, when the mask is worn on the face, the whole fresh air active air supply mechanism can also shield partial sight, daily production activities of people are affected, and great inconvenience is brought to people.

Therefore, in view of the above problems of the existing mask products with active clean air delivery, the applicant considers that there is a great need for improvement of the mask products of the prior art to better meet the needs of people and to make contributions to their physical and mental health.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide a convenience and wash alone, disinfect to the face guard main part, be favorable to making the face guard keep sanitary clean, be convenient for change the face guard main part, reduce user use cost, battery duration is strong, the cassette life cycle is long, installs and removes the facility, does not shelter from the sight, and the leakproofness is good, hinders dirt and separates the flavor, the effect that blocks the germ is good, wears comfortable light split type new trend face guard device.

The technical scheme of the utility model is realized like this: a split type fresh air mask device with long endurance and long-term filtration comprises an integrated mask main body consisting of a transparent glasses part and a mask part, a wearing belt body, a fresh air active air supply mechanism and a storage battery mechanism, and is characterized in that a left bayonet seat and a right bayonet seat are respectively arranged on the left lower side and the right lower side of the mask part of the mask main body, a one-way exhaust valve is further arranged at the position on the lower side of the middle of the mask part between the left bayonet seat and the right bayonet seat, and air bag separation supporting edges arranged along the edges of the back of the mask main body are further arranged on the peripheral edges of the back of the mask main body; the fresh air active air supply mechanism comprises a bottom shell, a cover shell, a micro fan, a filter disc support and an air outlet pipe, wherein the bottom shell is provided with a concave cavity groove, the air outlet pipe is arranged outside the bottom shell, and one end of the air outlet pipe is communicated with the concave cavity groove; the wall of the concave cavity groove is also provided with a nesting step and a fixing step respectively, and the fixing step is also provided with a screw hole; the peripheral sides of the micro fan are also provided with lugs with through holes, the micro fan is embedded in the nesting steps, the lugs are supported on the fixed steps and are arranged in alignment with the screw holes, and the micro fan is fixedly arranged in the cavity groove by locking screws into the screw holes from the through holes of the lugs; the filter disc support is provided with a concave cavity hole for embedding the filter disc, the wall of the concave cavity hole is also provided with a screw hole position, the fixing steps are correspondingly provided with screw locking holes, the filter disc support is embedded on the fixing steps in the concave cavity groove, and the filter disc support is fixedly arranged in the concave cavity groove by locking screws into the screw locking holes from the screw hole positions; the filter disc is embedded in the concave cavity hole of the filter disc bracket; the cover shell is also provided with a grating hole and is screwed on the bottom shell so as to press and limit the filter sheet in the concave cavity hole; the side surface of the bottom shell is also provided with a clamping protrusion, the left bayonet seat is correspondingly provided with a lock catch groove, and the fresh air active air supply mechanism is conveniently detachably arranged on the mask main body through the locking of the clamping protrusion of the bottom shell and the lock catch groove of the left bayonet seat; the storage battery mechanism comprises a shell, a face cover, a storage battery, a circuit board and an operating switch, wherein a battery accommodating chamber is arranged on the shell, and a cavity for accommodating the circuit board is formed in the shell above the battery accommodating chamber; the surface cover is also correspondingly provided with an accommodating groove, and a fixing stud is also arranged in the accommodating groove; the storage battery is arranged in the battery accommodating chamber, the circuit board is locked into the fixing stud through a screw and fixed in the accommodating groove of the face cover, the operating switch is connected with the circuit board, and the operating switch is embedded in a switch hole position arranged on the face cover; the surface cover is arranged on the shell, and the circuit board is correspondingly embedded in the cavity; the side surface of the shell is also provided with a clamping protrusion, the right bayonet seat is correspondingly provided with a lock catch groove, and the storage battery mechanism can be conveniently installed on the mask main body in a detachable way through the locking of the clamping protrusion of the shell and the lock catch groove of the right bayonet seat; an electric wire is also connected between the storage battery mechanism and the fresh air active air supply mechanism; the other end of the air outlet pipe is also connected with a three-way micro valve, the three-way micro valve is provided with an input port and two output ports, the input port of the three-way micro valve is connected with the other end of the air outlet pipe, one output port of the three-way micro valve is connected with the air bag blocking supporting edge, and the other output port of the three-way micro valve is connected with the inner side cavity arranged on the mask main body so as to realize the delivery of clean air to the mask main body.

The utility model has the advantages that: the novel active fresh air supply mechanism, the storage battery mechanism and the mask main body adopt detachable split structural design, so that the mask main body can be conveniently cleaned and sterilized in the daily use process without influencing the service life of electrical parts, and the cleanness and the sanitation of the mask main body are favorably kept; moreover, when the mask main body is damaged or aged, the mask main body can be independently replaced without scrapping the whole mask, so that the daily use cost of a user can be effectively reduced, the waste can be reduced, the influence of electronic waste on the environment is reduced, and the mask is beneficial to environmental protection; in addition, the simple clamping structure is designed, so that the assembly and disassembly are very convenient and simple.

And (II) two mutually independent parts of a fresh air active air supply mechanism and a storage battery mechanism are designed and distributed on the left lower side and the right lower side of the mask main body. Therefore, on one hand, the fresh air active air supply mechanism and the storage battery mechanism are not enough to shield the sight of the human body, and when the fresh air active air supply mechanism and the storage battery mechanism are worn and applied, the daily production activities of people cannot be influenced; on the other hand, the fresh air active air supply mechanism and the storage battery mechanism are respectively in independent split design, so that the fresh air active air supply mechanism and the storage battery mechanism are respectively in a reasonable volume range, and the specifications of the filter sheet and the battery can be made to be larger as much as possible, so that the mask can obtain longer battery endurance and longer effective air filtration service cycle, a user does not need to repeatedly charge and frequently replace the filter sheet in the daily use process, the time is saved, and the production operation efficiency is improved.

And thirdly, the peripheral edges of the mask main body are provided with the air bag separation supporting edges, the air bag separation supporting edges are utilized to inflate the drum to be flexibly attached to the face of the human body, gaps are effectively prevented from being left between the face surface of the human body and the peripheral edges of the mask, the sealing performance is good, external dust, harmful odor and germ are completely isolated from invading, the nose and mouth of the human body are always protected to freely breathe in a closed space with clean air, and the effects of dust separation, external odor separation and germ prevention are very good. Moreover, the soft patch clothes with the air bag separating the supporting edges can not leave pressure marks on the face in the long-time wearing process, is comfortable and easy to wear, can keep the blood circulation of the face of a human body smooth, and is beneficial to maintaining the appearance and health of the human body.

And (IV) the fresh air active air supply mechanism is adopted to fill air for the air bag separation supporting edge, the use is very convenient, and the three-way micro valve can be switched at any time according to the requirement to fill air for the air bag separation supporting edge and adjust the air pressure of the air bag separation supporting edge, so that the air bag separation supporting edge is always kept in a reasonable air pressure range, and the use is very convenient.

(V) the utility model has the advantages of simple structure, simple and easy assembly and disassembly, high reliability of structural design, good durability, and very easy processing and assembly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural view of the mask body of the present invention in a disassembled state with the fresh air supply mechanism and the storage battery mechanism.

Fig. 3 is a schematic view of the disassembly structure of the fresh air supply mechanism.

Fig. 4 is a schematic view of the disassembly structure of the battery mechanism of the present invention.

Fig. 5 is a schematic view of the disassembly structure between the cover, the circuit board, and the flat speaker of the battery mechanism of the present invention.

Fig. 6 is the schematic view of the sectional structure of the active fresh air supply mechanism of the present invention.

Fig. 7 is a schematic view of the three-dimensional structure of the valve plate of the present invention.

Fig. 8 is a schematic perspective view of the valve cover of the present invention.

Fig. 9 is a schematic view of the disassembled structure between the mask body and the air bag separation supporting edge of the present invention.

Fig. 10 is a schematic cross-sectional view of the airbag separation support edge of the present invention.

Fig. 11 is a schematic view of the back structure of the mask body according to the present invention.

Fig. 12 is a schematic sectional view of the connection air faucet of the mask body according to the present invention.

Detailed Description

As shown in fig. 1 and fig. 2, the split fresh air mask device with long endurance and long-term filtration of the present invention comprises an integrated mask body 1 composed of a transparent glasses part 11 and a mask part 12, a wearing belt body 2, a fresh air active air supply mechanism 3, a storage battery mechanism 4, etc. In order to realize the purpose of the utility model, the left lower side and the right lower side of the mask part 12 of the mask main body 1 of the utility model are respectively provided with a left bayonet seat 13 and a right bayonet seat 14, and the left bayonet seat 13 and the right bayonet seat 14 are respectively designed at the left lower side and the right lower side of the front surface of the mask main body 1, so as to avoid the fresh air active air supply mechanism 3 and the storage battery mechanism 4 from shielding the human vision line in the wearing process of the mask; and the left bayonet socket 13 and the right bayonet socket 14 are respectively distributed on the left lower side and the right lower side of the front surface of the mask main body 1, so that the whole shape and layout of the mask main body 1 are balanced and the appearance is coordinated. As shown in fig. 1 and 2, a one-way exhaust valve 15 is further disposed at a lower side of the middle of the mask portion 12 between the left bayonet mount 13 and the right bayonet mount 14, and the one-way exhaust valve 15 mainly functions to exhaust the exhaust gas exhausted from the human body to the outside of the mask, thereby reducing the concentration of carbon dioxide in the mask.

In order to make the product wear for a long time without leaving impression on the face, have good fitting performance and have the advantages of comfortable wear and good dust and odor blocking effect, as shown in fig. 1, 2 and 9, the peripheral edge of the back of the mask body 1 is also provided with an air bag blocking and supporting edge 16 arranged along the edge. In this case, in order to easily and reliably assemble the airbag block support side 16 to the edge of the mask body 1, as shown in fig. 9 and 10, the airbag block support side 16 is composed of an airbag strip 161 and a fixing clip groove side 162 arranged along the airbag strip 161, and a plurality of fixing holes 163 penetrating in the transverse direction are further provided in the fixing clip groove side 162. When installed, as shown in fig. 9, the edges of the mask body 1 are nested with the retaining clip edges 162 and are secured by clinching with rivets or nuts threaded through the securing holes 163, when assembled, as shown in fig. 1 and 2.

As shown in fig. 3 and 6, the fresh air active air supply mechanism 3 includes a bottom shell 31, a cover shell 32, a micro fan 33, a filter 34, a filter support 35, and an air outlet pipe 36, wherein the bottom shell 31 is provided with a concave groove 311, the air outlet pipe 36 is disposed outside the bottom shell 31, and one end of the air outlet pipe is connected to the concave groove 311.

As shown in fig. 3, the groove wall of the cavity groove 311 is further provided with a nesting step 312 and a fixing step 313, respectively, and the fixing step 313 is further provided with a screw hole 314; the peripheral side of the micro fan 33 is further provided with a lug 331 with a through hole, the micro fan 33 is embedded in the nesting step 312, the lug 331 is supported on the fixing step 313 and is aligned with the screw hole 314, and the micro fan 33 is fixedly installed in the cavity slot 311 by locking a screw into the screw hole 314 from the through hole of the lug 331. Through the structural design, the micro fan 33 is simply, reliably and firmly installed in the bottom shell 31, and is simple to assemble and convenient to maintain in the future. Similarly, as shown in fig. 3, the filter support 35 is provided with a cavity hole 351 for the filter 34 to be inserted, a screw hole 352 is further provided on the cavity wall of the cavity hole 351, the fixing step 313 is correspondingly provided with a screw locking hole 315, the filter support 35 is inserted on the fixing step 313 in the cavity slot 311, and the filter support 35 is fixedly mounted in the cavity slot 311 by locking a screw into the screw locking hole 315 from the screw hole 352. Next, as shown in fig. 6, the filter 34 is embedded in the cavity hole 351 of the filter holder 35, and the cover 32 is further provided with a grating hole 321, so that air enters the filter 34, is filtered by the filter 34, enters the micro-fan 33, and is output from the air outlet 36. The cover shell 32 is screwed on the bottom shell 31 to press and limit the filter sheet 34 in the cavity hole 351; when the filter 34 needs to be replaced, the cover shell 32 is unscrewed, and the filter 34 can be taken out and replaced with a new one.

As shown in fig. 2, a clamping protrusion 5 is further disposed on a side surface of the bottom shell 31, a locking groove 6 is correspondingly disposed on the left bayonet base 13, and the fresh air active air supply mechanism 3 is detachably mounted on the mask body 1 by locking the clamping protrusion 5 of the bottom shell 31 and the locking groove 6 of the left bayonet base 13. Through this design, in daily use, can initiatively supply air mechanism 3 with the new trend and pull down, wash the face guard main part alone, disinfect and do not influence the life-span of electrical components, when the face guard main part damages or ageing back in addition, can also change the face guard main part alone, can reduce user's daily use cost effectively, the design has simple and easy structure that clamps, installs and removes very conveniently.

As shown in fig. 4, the storage battery mechanism 4 includes a housing 41, a face cover 42, a storage battery 43, a circuit board 44, and an operation switch 45, wherein a battery accommodating chamber 411 is provided on the housing 41, and a cavity 412 for accommodating the circuit board 44 is further formed in the housing 41 above the battery accommodating chamber 411; the surface cover 42 is also correspondingly provided with a receiving groove 421, and a fixing stud 422 is also arranged in the receiving groove 421. When assembling, the storage battery 43 is installed in the battery accommodating chamber 411, the circuit board 44 is fixed in the accommodating groove 421 of the face cover 42 by screwing into the fixing stud 422, the operating switch 45 is connected with the circuit board 44, and the operating switch 45 is embedded in the switch hole 423 arranged on the face cover 42; the face cover 42 is placed on the housing 41, and the circuit board 44 is correspondingly embedded in the cavity 412.

As shown in fig. 2 and 4, a locking protrusion 5 is further provided on a side surface of the housing 41, a locking groove 6 is correspondingly provided on the right bayonet socket 14, and the battery mechanism 4 is detachably mounted on the mask body 1 by locking the locking protrusion 5 of the housing 41 and the locking groove 6 of the right bayonet socket 14. In a similar way, through this design, in daily use, can pull down battery mechanism to can wash the face guard main part alone, disinfect and not influence the life-span of electrical components, damage or ageing back when the face guard main part moreover, can also change the face guard main part alone, can reduce user's daily use cost effectively, the design has simple and easy structure that clamps, installs and removes very conveniently.

As shown in fig. 1, an electric wire 7 is further connected between the storage battery mechanism 4 and the fresh air active air supply mechanism 3. In addition, an electric plug connector 71 can be arranged on the electric wire 7, and an electric plug connection hole 72 is correspondingly arranged on the fresh air active air supply mechanism 3, so that the storage battery mechanism 4 and the fresh air active air supply mechanism 3 can be separated and conveniently and electrically connected. A charging interface is also provided on the housing 41 of the battery mechanism 4.

As shown in fig. 1 and 2, the other end of the air outlet pipe 36 is further connected with a three-way micro valve 8, the three-way micro valve 8 is provided with an input port and two output ports, the input port of the three-way micro valve 8 is connected with the other end of the air outlet pipe 36, one output port of the three-way micro valve 8 is connected with the air bag blocking support edge 16, and the other output port of the three-way micro valve 8 is connected with the inner side cavity 18 of the mask main body 1, so as to realize the delivery of clean air to the mask main body 1. Through the design of the three-way micro valve 8, when the air bag obstructing and supporting edge 14 needs to be supplemented with air, the three-way micro valve 8 can cut off the air supply of the inner side concave cavity 18 of the mask body 1; when the air is completely filled in the air bag blocking supporting edge 16, the air pressure of the air bag blocking supporting edge 16 is adjusted; the three-way microvalve 8 is then switched back to supply air to the inside cavity 18 of the mask body 1. When the air pressure of the air bag separation supporting edge 16 is too saturated, the operation of the fresh air active air supply mechanism 3 can be stopped, the three-way micro valve 8 is switched to be communicated with the air bag separation supporting edge 16, the effect of air pressure relief can be achieved, the relieved air pressure returns to the fresh air active air supply mechanism 3, and the fresh air active air supply mechanism is released to the outside through the filter disc 34.

Because the air bag obstructing and supporting edge 16 is inflated without being inflated too hard, the air bag obstructing and supporting edge 16 can be inflated as long as the air bag obstructing and supporting edge is inflated, and the air bag obstructing and supporting edge is fully satisfied with the application requirement by supplementing air to the air bag obstructing and supporting edge 16 by the fresh air active air supply mechanism 3. In order to facilitate the sealing connection between the outlet tube 36 and the mask body 1 when replacing the mask body 1, as shown in fig. 11 and 12, the mask body 1 is further provided with a connection air faucet 10, and the connection air faucet 10 is clamped to a through hole 103 formed in the mask body 1 by a nut 101 and a stay 102 being engaged with each other. When in connection, the air pipe can be directly sleeved with the connection air nozzle 10, namely as shown in fig. 1.

Because the mask of the present invention is blocked by the air bag blocking supporting edge 16, when people wear the mask, the resolution of the outward transmission of the communication speech sound is affected to a certain extent, so as to facilitate the normal communication of people in the wearing process, as shown in fig. 4 and 5, a flat speaker 46 is further disposed inside the accommodating groove 421 of the mask 42 and located on the inner side of the circuit board 44, and the flat speaker 46 is electrically connected with the circuit board 44; the bottom of the battery accommodating chamber 411 of the housing 41 is further provided with a miniature microphone 47 and a concave hole 413 for mounting the miniature microphone 47, and the miniature microphone 47 is electrically connected with the circuit board 44; the face cover 42 is also provided with meshes 424. By means of the cooperation of the microphone 47 and the flat speaker 46, people can communicate clearly when wearing the product.

In order to make the one-way exhaust valve 15 simple, reliable and durable in structure, as shown in fig. 2, 7, 8 and 11, the one-way exhaust valve 15 includes a valve seat 151 with an inner cavity hole, a grid net 152, a valve plate 153 and a valve cover 154, wherein the valve seat 151 is disposed on the front surface of the mask body 1 and is communicated with the inner cavity 18 of the mask body 1, the grid net 152 is disposed in the inner cavity of the valve seat 151, a shaft hole 155 is further disposed on the grid net 152, a pin shaft 156 is disposed on the valve plate 153, the valve plate 153 is sleeved in the shaft hole 155 through the pin shaft 156 and is attached to the grid net 152, and a shielding structure is formed on the inner cavity of the valve seat 151; the valve cover 154 is covered on the valve seat 151, and a grid 152 is further disposed on the bottom side of the valve cover 154 to facilitate outward air discharge. The operating principle of this one-way exhaust valve 15 is substantially the same: when people inhale air, the valve plate 153 is attached on the grid net 152 in the valve seat 151 under the influence of the airflow motion of the inhaled air; when people spit the gas, the gas flow rushes out outwards, and the valve plate 153 is rushed open, namely the gas is discharged.

In order to wear the strap body 2 with convenience in wearing, firmness in wearing and difficulty in falling off, as shown in fig. 1, the strap body 2 is composed of a left side strap 21 and a right side strap 22, fastening holes 23 are further formed in the inner ends of the left side strap 21 and the right side strap 22, fastening nails 17 are further respectively arranged on the two sides of the front face of the mask body 1, and the left side strap 21 and the right side strap 22 are respectively fastened with the fastening nails 17 through the fastening holes 23 and connected with the mask body 1. The wearing belt body 2 and the mask body 1 are convenient to assemble and disassemble through the design, so that the wearing belt body 2 can be repeatedly used, the mask body 1 can be replaced and reserved, the replacement cost is saved, and the emission is reduced. As shown in fig. 1, the outer ends of the left side strap 21 and the right side strap 22 are respectively provided with a magic tape 24 which can be adhered together, and the middle parts of the left side strap 21 and the right side strap 22 are respectively provided with an ear hanging hole 25. The ear hanging hole 25 is worn on the ear of a human body when being worn, so as to increase the wearing stability.

In addition, as shown in fig. 4 and 2, the left bayonet socket 13 and the right bayonet socket 14 are respectively provided with an L-shaped slot 30, the air pipe 36 and the electric wire 7 can move along the L-shaped slot 30, and can be engaged into more parts to the left bayonet socket 13 without affecting the fastening of the bottom shell 31 of the fresh air active air supply mechanism 3 and the left bayonet socket 13, and can be engaged into more parts to the right bayonet socket 14 without affecting the fastening of the housing 41 of the storage battery mechanism 4 and the right bayonet socket 14, so that the fresh air active air supply mechanism 3 and the storage battery mechanism 4 are locked more stably in their respective bayonet sockets.

The utility model discloses an in circuit board 44, WIFI module, bluetooth module can also be added to in order to establish communication links with smart mobile phone etc. see through the APP procedure of smart mobile phone and control this product operation.

The above description of the structural solution is an embodiment of the preferred embodiment of the present invention, but it does not represent a limitation to the protection scope of the technical solution of the present invention. It should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and all of the modifications and improvements belong to the protection scope of the present invention, and all fall into the protection scope of the present invention.

Claims (4)

1. The utility model provides a long continuation of journey and long-term filterable split type new trend face guard device, includes by integrated face guard main part (1) that transparent glasses portion (11) and gauze mask portion (12) constitute, wears the area body (2), new trend initiative air feed mechanism (3), battery mechanism (4), its characterized in that:

a left bayonet seat (13) and a right bayonet seat (14) are respectively arranged on the left lower side and the right lower side of a mask part (12) of the mask main body (1), a one-way exhaust valve (15) is further arranged on the lower side of the middle of the mask part (12) between the left bayonet seat (13) and the right bayonet seat (14), and air bag blocking supporting edges (16) arranged along the edges of the back surface and the periphery of the mask main body (1) are further arranged on the edges of the back surface and the periphery of the mask main body;

the fresh air active air supply mechanism (3) comprises a bottom shell (31), a cover shell (32), a micro fan (33), a filter disc (34), a filter disc bracket (35) and an air outlet pipe (36), wherein

The bottom shell (31) is provided with a concave cavity groove (311), the air outlet pipe (36) is arranged outside the bottom shell (31), and one end of the air outlet pipe is communicated with the concave cavity groove (311);

the wall of the cavity groove (311) is also provided with a nesting step (312) and a fixing step (313) respectively, and the fixing step (313) is also provided with a screw hole (314); the peripheral side edge of the micro fan (33) is also provided with a lug (331) with a through hole, the micro fan (33) is embedded in the nesting step (312), the lug (331) is supported on the fixing step (313) and is arranged in alignment with the screw hole (314), and the micro fan (33) is fixedly arranged in the cavity groove (311) by locking a screw into the screw hole (314) from the through hole of the lug (331);

the filter disc support (35) is provided with a concave cavity hole (351) for embedding the filter disc (34), the cavity wall of the concave cavity hole (351) is also provided with a screw hole position (352), the fixed step (313) is correspondingly provided with a screw locking hole (315), the filter disc support (35) is embedded on the fixed step (313) in the concave cavity groove (311), and the filter disc support (35) is fixedly arranged in the concave cavity groove (311) by locking a screw into the screw locking hole (315) from the screw hole position (352);

the filter disc (34) is embedded in the concave cavity hole (351) of the filter disc bracket (35);

the cover shell (32) is also provided with a grating hole (321), and the cover shell (32) is screwed on the bottom shell (31) so as to press and limit the filter sheet (34) in the cavity hole (351);

the side surface of the bottom shell (31) is also provided with a clamping protrusion (5), the left bayonet seat (13) is correspondingly provided with a lock catch groove (6), and the fresh air active air supply mechanism (3) is conveniently detachably mounted on the mask main body (1) through the locking protrusion (5) of the bottom shell (31) and the lock catch groove (6) of the left bayonet seat (13) in a locking way;

the storage battery mechanism (4) comprises a shell (41), a surface cover (42), a storage battery (43), a circuit board (44) and an operation switch (45), wherein

A battery accommodating chamber (411) is arranged on the shell (41), and a cavity (412) for accommodating the circuit board (44) is formed in the shell (41) above the battery accommodating chamber (411); the surface cover (42) is also correspondingly provided with an accommodating groove (421), and the accommodating groove (421) is also internally provided with a fixing stud (422);

the storage battery (43) is arranged in the battery accommodating chamber (411), the circuit board (44) is fixed in an accommodating groove (421) of the face cover (42) by being screwed into the fixing stud (422), the operating switch (45) is connected with the circuit board (44), and the operating switch (45) is embedded in a switch hole position (423) arranged on the face cover (42); the face cover (42) is arranged on the shell (41), and the circuit board (44) is correspondingly embedded in the cavity (412);

the side surface of the shell (41) is also provided with a clamping protrusion (5), the right bayonet seat (14) is correspondingly provided with a lock catch groove (6), and the storage battery mechanism (4) is conveniently and detachably arranged on the mask main body (1) through the locking protrusion (5) of the shell (41) and the lock catch groove (6) of the right bayonet seat (14) in a lock catch manner;

an electric wire (7) is also connected between the storage battery mechanism (4) and the fresh air active air supply mechanism (3);

the other end of the air outlet pipe (36) is further connected with a three-way micro valve (8), the three-way micro valve (8) is provided with an input port and two output ports, the input port of the three-way micro valve (8) is connected with the other end of the air outlet pipe (36), one output port of the three-way micro valve (8) is connected with the air bag blocking supporting edge (16), and the other output port of the three-way micro valve (8) is connected with an inner side cavity (18) arranged on the mask main body (1) so as to convey clean air to the mask main body (1).

2. The split fresh air mask device with long endurance and long-term filtration of claim 1, wherein: a flat loudspeaker (46) is also arranged on the inner side of the circuit board (44) in the accommodating groove (421) of the face cover (42), and the flat loudspeaker (46) is electrically connected with the circuit board (44); the bottom of the battery accommodating chamber (411) of the shell (41) is also provided with a miniature microphone (47) and a concave hole (413) for mounting the miniature microphone (47), and the miniature microphone (47) is electrically connected with the circuit board (44); the face cover (42) is also provided with meshes (424).

3. The split fresh air mask device with long endurance and long-term filtration of claim 1, wherein: the one-way exhaust valve (15) comprises a valve seat (151) with an inner cavity hole, a grating net (152), a valve plate (153) and a valve cover (154), wherein the valve seat (151) is arranged on the front face of the mask main body (1) and communicated with an inner cavity (18) of the mask main body (1), the grating net (152) is arranged in the inner cavity of the valve seat (151), a shaft hole (155) is further arranged on the grating net (152), a pin shaft (156) is arranged on the valve plate (153), the valve plate (153) is sleeved in the shaft hole (155) through the pin shaft (156) of the valve plate to be attached to the grating net (152), and a shielding structure is formed in the inner cavity of the valve seat (151); the valve cover (154) is covered on the valve seat (151), and a grid net (152) is further arranged on the bottom side surface of the valve cover (154).

4. The split fresh air mask device with long endurance and long-term filtration of claim 1, wherein: the wearable belt body (2) is composed of a left side belt (21) and a right side belt (22), buckling holes (23) are further formed in the inner side ends of the left side belt (21) and the right side belt (22), buckling nails (17) are further respectively arranged on the two sides of the front face of the mask main body (1), and the left side belt (21) and the right side belt (22) are respectively buckled with the buckling nails (17) through the buckling holes (23) of the left side belt and the right side belt and are connected with the mask main body (1);

the outer side ends of the left side belt (21) and the right side belt (22) are respectively provided with magic tapes (24) which can be mutually adhered together;

the middle parts of the left side belt (21) and the right side belt (22) are respectively provided with an ear hanging hole (25).

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