CN214841445U

CN214841445U - Dual-mode breathing device

Info

Publication number: CN214841445U
Application number: CN202120365713.3U
Authority: CN
Inventors: 刘雷
Original assignee: Beijing Xingjian Yongzhen Technology Co ltd
Current assignee: Beijing Xingjian Yongzhen Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-23
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a double-mode breathing apparatus, which relates to the technical field of air purification, and comprises a shell, a filtering device, a high polymer oxygen-enriched membrane, a fan, an air pump component, a solenoid valve and a power supply device which are arranged in the shell, wherein an air inlet channel, an air outlet channel, an air channel and an oxygen-enriched channel are arranged in the shell, the air channel and the oxygen-enriched channel are communicated with the air inlet channel and the air outlet channel, the filtering device is arranged on the air inlet channel, the air pump component is arranged on the air channel, the high polymer oxygen-enriched membrane is arranged on the oxygen-enriched channel, the fan corresponds to the outlet end of the filtering device to blow air molecules to the macromolecular oxygen-enriched membrane, the electromagnetic valve is communicated with the air channel and the oxygen-enriched channel, the power supply device is used for supplying electric energy to the macromolecule oxygen enrichment membrane, the fan, the air pump assembly and the electromagnetic valve. According to the arrangement, the breathing apparatus has an air mode and an oxygen enrichment mode, the modes and the functions are not single, and the breathing apparatus can be selected for use.

Description

Dual-mode breathing device

Technical Field

The utility model relates to an air purification technical field, more specifically say, relate to a double mode is breathed precious.

Background

Breathe precious, portable formula air purifier promptly, small in size can purify carrier's ambient air, satisfies the daily trip demand of city resident.

The breathing treasure on the existing market is usually only provided with an oxygen-rich mode, oxygen-rich ions are quite good as an antioxidant, the oxygen-rich ions can delay aging of people, protect cell membranes, have an anti-cancer effect and the like, but the breathing treasure is only provided with the oxygen-rich mode, is single in use mode and function, has no selectivity, and cannot be selected for use according to the needs of users.

Therefore, how to solve the problems that the breathing apparatus in the prior art only has an oxygen enrichment mode, a single mode and function and cannot be selectively used according to needs becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double mode is breathed precious in order to solve among the prior art breathe precious only possess oxygen boosting mode, mode and function singleness, can't select the technical problem who uses as required. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a dual-mode breathing apparatus, which comprises a shell, a filtering device arranged in the shell, a polymer oxygen-enriched membrane for selectively transmitting oxygen-enriched ions, a fan, an air pump component, an electromagnetic valve and a power supply device, wherein the shell is internally provided with an air inlet channel, an air outlet channel, an air channel and an oxygen-enriched channel, the air channel and the oxygen-enriched channel are communicated with the air inlet channel and the air outlet channel, the filtering device is arranged on the air inlet channel, the air pump component is arranged on the air channel, the polymer oxygen-enriched membrane is arranged on the oxygen-enriched channel, the fan corresponds to the outlet end of the filtering device to blow air molecules to the polymer oxygen-enriched membrane, the electromagnetic valve is communicated with the air channel and the oxygen-enriched channel to control the opening and closing of the air channel and the oxygen-enriched channel, the power supply device is used for supplying electric energy to the polymer oxygen-enriched membrane, the fan, the air pump assembly and the electromagnetic valve.

Preferably, a circuit board is arranged in the shell, the circuit board is electrically connected with the air pump assembly and the electromagnetic valve, a gear button used for controlling the rotating speed of the air pump assembly and a switch button used for controlling the electromagnetic valve are arranged on the circuit board, and a strip-shaped opening used for allowing the gear button and the switch button to be exposed is arranged on the shell.

Preferably, the power supply device is a battery, and the battery is electrically connected with the polymer oxygen enrichment membrane, the fan, the air pump assembly and the electromagnetic valve.

Preferably, a support plate is arranged in the casing, the polymer oxygen-enriched membrane is arranged on the lower end face of the support plate, the filter device, the fan, the power supply device, the air pump assembly and the electromagnetic valve are all arranged on the upper end face of the support plate, a notch for air molecule circulation is formed in the support plate, so that the air molecules are blown to the polymer oxygen-enriched membrane through the notch by the fan, a through hole for an outlet connector of the polymer oxygen-enriched membrane to penetrate through is further formed in the support plate, and the electromagnetic valve is communicated with the outlet connector and the air pump assembly.

Preferably, a silencer used for eliminating noise of the air pump assembly is further arranged in the shell, and the silencer is mounted on the supporting plate.

Preferably, the casing includes main shell portion, protecgulum and hou gai, the both ends of main shell portion are equipped with first opening and second opening, the protecgulum with back lid sets up respectively first opening with the second opening part, just the protecgulum is equipped with a plurality of meshs, gets into in order to supply outside air inlet channel, the back lid is equipped with and is used for the intercommunication the exhaust vent of air-out passageway, the bar mouth sets up cover after.

Preferably, the main casing portion includes casing and lower casing, the both ends of going up the casing are equipped with first arc limit and second arc limit respectively, the upper end of casing is equipped with third arc limit and fourth arc limit respectively down, go up the casing with be connected through the joint structure between the casing down, first arc limit with the third arc limit is corresponding and forms jointly first opening, the second arc limit with the fourth arc limit is corresponding and forms jointly the second opening.

Preferably, the clamping structure comprises a clamping groove formed in one of the upper shell and the lower shell and a clamping block arranged on the other of the upper shell and the lower shell, and the clamping block can extend into the clamping groove.

Preferably, the air pump assembly comprises an upper cushion block, an air pump and a lower cushion block, the upper cushion block and the lower cushion block are arranged above and below the air pump respectively, and the lower end face of the upper cushion block and the upper end face of the lower cushion block are matched with the surface of the air pump.

Preferably, the filter device is configured as a hepa filter.

The technical scheme provided in, among the double mode is breathed precious includes the casing, filter equipment, the polymer oxygen-enriched membrane, the fan, air pump assembly, solenoid valve and power supply unit, filter equipment sets up in the casing, the polymer oxygen-enriched membrane is used for the selectivity to see through the oxygen boosting ion, be equipped with inlet channel in the casing, the air-out passageway, air channel and oxygen-enriched passageway all with inlet channel, the air-out passageway is linked together, filter equipment sets up on inlet channel, air pump assembly sets up on air channel, the polymer oxygen-enriched membrane sets up on the oxygen-enriched passageway, the fan corresponds filter equipment's exit end, thereby blow air molecule to the polymer oxygen-enriched membrane, solenoid valve and air channel, oxygen-enriched passageway homogeneous phase intercommunication, thereby control opening and closing of air channel and oxygen-enriched passageway, power supply unit is used for the polymer oxygen-enriched membrane, the fan, The air pump assembly and the electromagnetic valve provide electric energy. Therefore, air entering the shell from the air inlet of the air inlet channel is firstly subjected to primary filtration by the filter device, dust, particles, hair and the like in the air are filtered, the fan corresponds to the outlet end of the filter device, the filtered air molecules can be blown to the polymer oxygen enrichment membrane by the fan, the oxygen molecules which can penetrate through the polymer oxygen enrichment membrane enter the oxygen enrichment channel and finally flow out from the air outlet of the air outlet channel, and the oxygen enrichment mode is realized; air molecules which do not penetrate through the polymer oxygen enrichment membrane can only flow through the air pump assembly of the air channel and are pumped to the air outlet, and the air mode is adopted.

So set up, this double mode is breathed precious possesses two kinds of modes of air model and oxygen boosting mode, and wherein, the oxygen boosting mode is applicable to the higher environment of oxygen content demand, and the air model is applicable to the higher environment of air flow demand, so, breathes precious mode and function no longer single, can select to use the mode that corresponds according to user's needs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the interior of a dual-mode breathing apparatus according to an embodiment of the present invention;

fig. 2 is an exploded view of the dual mode breathing apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a support plate in an embodiment of the present invention;

fig. 4 is a schematic structural view of another angle support plate according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a dual-mode breathing apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another angle dual-mode breathing apparatus according to an embodiment of the present invention.

In FIGS. 1-6:

1. an upper housing; 2. a lower housing; 3. a front cover; 301. mesh openings; 4. a rear cover; 401. a strip-shaped opening; 402. an air outlet; 5. a support plate; 501. a first mounting groove; 502. a second mounting groove; 503. a third mounting groove; 504. a fourth mounting groove; 505. a first mounting location; 506. a second mounting location; 6. a filtration device; 7. a fan; 8. a battery; 9. an air pump; 10. an upper cushion block; 11. a lower cushion block; 12. an electromagnetic valve; 13. a muffler; 14. a circuit board; 141. a gear button; 142. switching a key; 15. a polymer oxygen-enriched membrane; 151. an outlet fitting; 16. a notch; 17. a through hole; 18. a first opening; 19. a second opening; 20. a card slot; 21. a clamping block; 22. a charging interface; 23. and (7) sealing the cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present embodiment aims to provide a dual-mode breathing apparatus, which solves the problem that the breathing apparatus in the prior art only has an oxygen-rich mode, a single mode and a single function, and cannot be selectively used as required.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-6, in this embodiment, the dual-mode breathing apparatus includes a housing, a filtering device 6, a polymer oxygen-rich membrane 15, a fan 7, an air pump assembly, an electromagnetic valve 12, and a power supply device, where the filtering device 6 is disposed in the housing, the polymer oxygen-rich membrane 15 is used for selectively transmitting oxygen-rich ions, an air inlet channel, an air outlet channel, an air channel, and an oxygen-rich channel are disposed in the housing, the air channel and the oxygen-rich channel are both communicated with the air inlet channel and the air outlet channel, that is, the air channel and the oxygen-rich channel are disposed in parallel, an air inlet is disposed on the air inlet channel, the air outlet channel is disposed on the housing, the air inlet and the air outlet are both disposed on the housing, and the filtering device 6 is disposed on the air inlet channel, air entering the housing from the air inlet is primarily filtered by the filtering device 6 to filter dust, particles, hair, and the like in the air; the air pump assembly is arranged on the air channel, the polymer oxygen enrichment membrane 15 is arranged on the oxygen enrichment channel, the fan 7 corresponds to the outlet end of the filtering device 6, the fan 7 can blow the filtered air molecules to the polymer oxygen enrichment membrane 15, the filtered air molecules can enter the oxygen enrichment channel through the oxygen molecules of the polymer oxygen enrichment membrane 15 and finally flow out of the air outlet channel, and the mode is an oxygen enrichment mode; and the air molecules which do not permeate the polymer oxygen-enriched membrane 15 flow through the air pump component of the air channel and are finally pumped to the air outlet, which is an air mode. Specifically, the oxygen enrichment principle of the oxygen enrichment membrane is that oxygen in air preferentially passes through the membrane under the driving of pressure difference by utilizing the difference of permeation rates of components in the air when the components penetrate through the membrane, so that oxygen-enriched air is obtained. The pore diameter of the polymer oxygen enrichment membrane 15 reaches the nanometer level, oxygen molecules in the air can permeate the polymer oxygen enrichment membrane 15, and other air molecules such as nitrogen and the like cannot permeate the polymer oxygen enrichment membrane 15. The electromagnetic valve 12 is communicated with the air channel and the oxygen enrichment channel so as to control the opening and closing of the air channel and the oxygen enrichment channel, and the power supply device is used for supplying electric energy to the polymer oxygen enrichment membrane 15, the fan 7, the air pump assembly and the electromagnetic valve 12. In this way, the oxygen enrichment channel is closed by the solenoid valve 12 when the air mode needs to be used, and the air mode is closed by the solenoid valve 12 when the oxygen enrichment mode needs to be used. In the present embodiment, the filter device 6 is provided as a hepa filter.

Preferably, the power supply device is provided as a battery 8, and the battery 8 is electrically connected with the polymer oxygen enrichment membrane 15, the fan 7, the air pump assembly and the electromagnetic valve 12.

As an alternative embodiment, as shown in fig. 6, a circuit board 14 is disposed in the housing, the circuit board 14 is electrically connected to both the air pump assembly and the electromagnetic valve 12, a shift button 141 and a switch button 142 are disposed on the circuit board 14, wherein the shift button 141 is used for controlling the rotation speed of the air pump assembly, the switch button 142 is used for controlling the electromagnetic valve 12, and further controlling the opening and closing of the air channel and the oxygen-enriched channel, and the housing is provided with a bar-shaped opening 401 for exposing the shift button 141 and the switch button 142, so as to facilitate manual control of the shift button 141 and the switch button 142 from the outside. Specifically, the circuit board 14 is electrically connected to the battery 8, the air pump assembly, the solenoid valve 12, and other electrical components. In a preferred embodiment, as shown in fig. 6, a charging interface 22 is provided on the circuit board 14, the charging interface 22 is electrically connected to the battery 8, and is electrically connected to an external power supply device through the charging interface 22, so as to charge the battery 8, an opening for exposing the charging interface 22 is provided on the rear cover 4, and the charging interface 22 and the air outlet are both provided with a sealing cover 23.

According to the arrangement, the circuit is shunted through the circuit board 14, so that the battery 8 can supply power to each electric component, and meanwhile, the corresponding electric component is controlled through the keys on the circuit board 14.

As an alternative embodiment, as shown in fig. 2, a support plate 5 is disposed in the housing, the polymer oxygen-enriched membrane 15 is disposed on the lower end surface of the support plate 5, the filtering device 6, the fan 7, the battery 8, the air pump assembly, and the electromagnetic valve 12 are all mounted on the upper end surface of the support plate 5, the support plate 5 is provided with a notch 16 for air molecules to flow through, so that the fan 7 blows the air molecules to the polymer oxygen-enriched membrane 15 below through the notch 16, the support plate 5 is further provided with a through hole 17, an outlet connector 151 of the polymer oxygen-enriched membrane 15 passes through the through hole 17 from bottom to top, so that the outlet connector 151 is exposed from the upper end surface of the support plate 5, the outlet connector 151 is close to the electromagnetic valve 12, and the electromagnetic valve 12 is communicated with the outlet connector 151 and the air pump assembly. Thus, the oxygen molecules that permeate the polymer oxygen enrichment membrane 15 can finally flow out of the air outlet through the outlet joint 151 and the electromagnetic valve 12, and the air molecules that do not permeate the polymer oxygen enrichment membrane 15 can finally flow out of the air outlet through the air pump assembly and the electromagnetic valve 12.

In this way, the respective working components are collected in the housing with the support plate 5 as an intermediate medium.

As an alternative embodiment, a silencer 13 for eliminating the noise of the air pump assembly is further provided in the housing, and the silencer 13 is mounted on the support plate 5.

So set up, reduce air pump assembly's noise at work through muffler 13, avoid breathing precious too big noise pollution under the air mode.

Specifically, as shown in fig. 3 to 4, the supporting plate 5 is a rectangular structure, and along the length direction of the supporting plate 5, the upper end surface of the supporting plate 5 is sequentially provided with a first installation space, a second installation space and a third installation space, the first installation space includes a first installation groove 501 and a second installation groove 502, the first installation groove 501 and the second installation groove 502 are communicated and adjacently arranged along the length direction of the supporting plate 5, the filtering device 6 is installed in the first installation groove 501, the fan 7 is installed in the second installation groove 502, the fan 7 corresponds to the outlet end of the filtering device 6, and the notch 16 is arranged at the bottom of the second installation groove 502; the second mounting space comprises a third mounting groove 503 and a fourth mounting groove 504 which are adjacently arranged along the width direction of the support plate 5, an air pump assembly is mounted in the third mounting groove 503, the air pump assembly is communicated with the outlet end of the filtering device 6, and the battery 8 is mounted in the fourth mounting groove 504; the third installation space includes a first installation site 505 and a second installation site 506 adjacently disposed in the width direction of the support plate 5, the solenoid valve 12 is installed at the first installation site 505, and the muffler 13 is installed at the second installation site 506. Wherein each component is matched with the corresponding mounting groove.

So set up, through each mounting groove and installation position, carry out rational distribution to the position and the space of each part according to the shape volume of each part, make each part compact set up in backup pad 5, extravagant unnecessary space, whole occupation space is little, and this double mode is breathed precious volume and just also can be littleer.

In a preferred embodiment, as shown in fig. 2, the air pump assembly comprises an upper cushion block 10, an air pump 9, and a lower cushion block 11, wherein the upper cushion block 10 and the lower cushion block 11 are respectively arranged above and below the air pump 9, the lower end surface of the upper cushion block 10 and the upper end surface of the lower cushion block 11 are both matched with the surface of the air pump 9, the lower cushion block 11 is located between the support plate 5 and the air pump 9, and the upper cushion block 10 is located between the air pump 9 and the housing. In this embodiment, the structure of the lower pad 11 is the same as that of the third installation groove 503, and the outer surface of the lower pad 11 is fitted to the groove wall surface of the third installation groove 503.

So set up, through last cushion 10 and lower cushion 11, carry on spacingly to air pump 9, make air pump 9 be in horizontality and rigidity, avoid air pump 9 to take place the dislocation.

Preferably, in the present embodiment, the filter device 6 is disposed adjacent to the fan 7, the battery 8 is disposed adjacent to the muffler 13, and the air pump assembly is disposed adjacent to the electromagnetic valve 12 along the length direction of the support plate 5; along the width direction of the support plate 5, the battery 8 is disposed adjacent to the air pump assembly, and the electromagnetic valve 12 is disposed adjacent to the muffler 13.

In a preferred embodiment, as shown in fig. 5-6, the housing comprises a main casing, a front cover 3 and a rear cover 4, the main casing is provided with a first opening 18 and a second opening 19 at two ends, the front cover 3 and the rear cover 4 are respectively arranged at the first opening 18 and the second opening 19, the front cover 3 is provided with a plurality of meshes 301, the plurality of meshes 301 form an air inlet for external air to enter the air inlet channel through the meshes 301, the rear cover 4 is provided with an air outlet 402 for communicating with the air outlet channel, and the strip-shaped opening 401 is arranged on the rear cover 4. Alternatively, the front cover 3 and the rear cover 4 are snapped at the first opening 18 and the second opening 19, respectively.

Specifically, main shell portion includes casing 1 and casing 2 down, and the both ends of going up casing 1 are equipped with first arc limit and second arc limit respectively, and the upper end of casing 2 is equipped with third arc limit and fourth arc limit respectively down, goes up and is connected through the joint structure between casing 1 and the casing 2 down, and first arc limit and third arc limit are corresponding and form first opening 18 jointly, and second arc limit and fourth arc limit are corresponding and form second opening 19 jointly.

So set up, the components of a whole that can function independently structure of casing makes things convenient for precious dismantlement and installation of breathing.

Preferably, as shown in fig. 2, the clamping structure includes a clamping groove 20 and a second clamping block 21, the clamping groove 20 is disposed on one of the upper housing 1 and the lower housing 2, the clamping block 21 is disposed on the other, and the clamping block 21 can extend into the clamping groove 20. In this embodiment, a plurality of blocks 21 are disposed at intervals on the edge of the lower shell 2, a plurality of slots 20 are disposed at intervals on the edge of the upper shell 1, and the slots 20 correspond to the blocks 21 one to one.

Specifically, the edge of backup pad 5 is equipped with the trompil, and casing 2 is equipped with the screw hole down, runs through the trompil and tightly goes into the screw hole like the screw through the fastener to realize backup pad 5 and casing 2's fixed connection down.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The dual-mode breathing apparatus is characterized by comprising a shell, a filtering device (6) arranged in the shell, a polymer oxygen-enriched membrane (15) used for selectively permeating oxygen-enriched ions, a fan (7), an air pump assembly, an electromagnetic valve (12) and a power supply device, wherein an air inlet channel, an air outlet channel, an air channel and an oxygen-enriched channel are arranged in the shell, the air channel and the oxygen-enriched channel are communicated with the air inlet channel and the air outlet channel, the filtering device (6) is arranged on the air inlet channel, the air pump assembly is arranged on the air channel, the polymer oxygen-enriched membrane (15) is arranged on the oxygen-enriched channel, the fan (7) corresponds to the outlet end of the filtering device (6) to blow air molecules to the polymer oxygen-enriched membrane (15), and the electromagnetic valve (12) and the air channel, The oxygen-enriched channels are communicated to control the opening and closing of the air channel and the oxygen-enriched channels, and the power supply device is used for supplying electric energy to the polymer oxygen-enriched membrane (15), the fan (7), the air pump assembly and the electromagnetic valve (12).

2. The dual-mode breathing apparatus according to claim 1, wherein a circuit board (14) is disposed in the housing, the circuit board (14) is electrically connected to the air pump assembly and the electromagnetic valve (12), a shift button (141) for controlling the rotation speed of the air pump assembly and a switch button (142) for controlling the electromagnetic valve (12) are disposed on the circuit board (14), and the housing is provided with a bar-shaped opening (401) for exposing the shift button (141) and the switch button (142).

3. The dual-mode breathing apparatus according to claim 1, wherein the power supply device is a battery (8), and the battery (8) is electrically connected to the polymer oxygen-enriched membrane (15), the fan (7), the air pump assembly, and the solenoid valve (12).

4. The dual mode breathing apparatus according to claim 1, wherein a support plate (5) is provided within the housing, the polymer oxygen-enriched film (15) is arranged on the lower end surface of the support plate (5), the filtering device (6), the fan (7), the power supply device, the air pump assembly and the electromagnetic valve (12) are all arranged on the upper end surface of the supporting plate (5), and the supporting plate (5) is provided with a gap (16) for the circulation of air molecules, so that the fan (7) blows the air molecules to the macromolecule oxygen enrichment membrane (15) through the notch (16), the supporting plate (5) is also provided with a through hole (17) for the outlet joint (151) of the polymer oxygen-enriched membrane (15) to pass through, the electromagnetic valve (12) is communicated with the outlet connector (151) and the air pump assembly.

5. A dual mode respirator according to claim 4, wherein a silencer (13) is provided inside the housing for silencing the air pump assembly, said silencer (13) being mounted on the support plate (5).

6. The dual-mode breathing apparatus according to claim 2, wherein the housing comprises a main housing portion, a front cover (3) and a rear cover (4), a first opening (18) and a second opening (19) are provided at two ends of the main housing portion, the front cover (3) and the rear cover (4) are respectively provided at the first opening (18) and the second opening (19), the front cover (3) is provided with a plurality of meshes (301) for external air to enter the air inlet channel, the rear cover (4) is provided with an air outlet (402) for communicating the air outlet channel, and the strip-shaped opening (401) is provided on the rear cover (4).

7. The dual-mode breathing apparatus according to claim 6, wherein the main housing comprises an upper housing (1) and a lower housing (2), wherein a first arc edge and a second arc edge are respectively provided at two ends of the upper housing (1), a third arc edge and a fourth arc edge are respectively provided at an upper end of the lower housing (2), the upper housing (1) and the lower housing (2) are connected by a clamping structure, the first arc edge corresponds to the third arc edge and jointly forms the first opening (18), and the second arc edge corresponds to the fourth arc edge and jointly forms the second opening (19).

8. The dual-mode breathing apparatus according to claim 7, wherein the locking structure comprises a locking groove (20) provided on one of the upper housing (1) and the lower housing (2) and a locking block (21) provided on the other, and the locking block (21) can extend into the locking groove (20).

9. The dual-mode respirator of claim 1, wherein the air pump assembly comprises an upper cushion (10), an air pump (9), and a lower cushion (11), wherein the upper cushion (10) and the lower cushion (11) are respectively disposed above and below the air pump (9), and the lower end surface of the upper cushion (10) and the upper end surface of the lower cushion (11) are both matched with the surface of the air pump (9).

10. The dual-mode breathing apparatus according to claim 1, wherein the filter device (6) is configured as a HEPA filter.