CN212187507U

CN212187507U - Multifunctional protective cap

Info

Publication number: CN212187507U
Application number: CN202020406002.1U
Authority: CN
Inventors: 张开文
Original assignee: Caiding Technology Chongqing Co Ltd
Current assignee: Caiding Technology Chongqing Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-12-22
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a multifunctional protective cap, which comprises a cap body, a face mask and a cap peak, wherein the cap body comprises a top cap corresponding to the top of the head, a middle cap corresponding to the side part of the ear and the position of the hindbrain, and a lower cap corresponding to the position of the neck, and the lower cap is formed by integrally extending the bottom end of the middle cap to the cladding neck; the brim is fixedly connected with the top cap; the top of one end of the brim close to the top cap is provided with an air supply filter, the top of the air supply filter is provided with an air inlet communicated with the outside, the bottom of the air supply filter is provided with an air outlet, and the air outlet penetrates through the brim and is communicated with the closed space; the mask is provided with an exhalation port which is communicated with an exhalation hose, the other end of the exhalation hose is communicated with the outside, and the air supply filter is electrically connected with the battery. The utility model discloses a multi-functional helmet, user inhale fresh air and get into user's suction range again after air supply filter sterilization disinfection filters, and the air of user's exhalation is through pipeline discharge to the external world, can effectively prevent the risk of the various viruses of spreading through air or droplet.

Description

Multifunctional protective cap

Technical Field

The utility model relates to a daily protective articles for use technical field, more specifically the utility model relates to a multifunctional protective cap.

Background

At present, the traditional disposable protective cap is mainly used for simple protection, only protects hair simply, has low protective performance against viruses and bacteria, and is easy to breed bacteria again after long use; and disposable, abandon promptly after using, can produce a large amount of rubbish, not only can increase the refuse treatment degree of difficulty, even increase the risk of spreading the virus again.

Therefore, how to provide a multifunctional protective cap capable of sterilizing is a problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a multi-functional protection casing, the user inhales fresh air and is the suction range who gets into the user again after disinfecting the disinfection and filtering, and the air of user exhalation is discharged to the external world through the pipeline to not in the user inhaled within range, can effectively prevent the gaseous pollution of exhalation and need inspiratory fresh air, can effectively prevent the risk of the various viruses of spreading through air or droplet.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multifunctional protective cap comprises a cap body, a transparent face mask and a cap peak, wherein the cap body comprises a top cap corresponding to the top of the head, a middle cap corresponding to the side part of ears and the back head, and a lower cap corresponding to the neck, and the lower cap is formed by integrally extending the bottom end of the middle cap to cover the neck; the transparent mask is positioned at the position corresponding to the face and is fixedly connected with the middle cap; the top cap is detachably connected with the middle cap; the brim is fixedly connected with the front end of the top cap; a battery is arranged on one side of the rear end of the top cap; the transparent mask, the top cap, the brim and the middle cap form a closed space; an air supply filter is fixed at the top of one end, close to the top cap, of the brim, an air inlet communicated with the outside is formed in the top of the air supply filter, an air outlet is formed in the bottom of the air supply filter, and the air outlet penetrates through the brim and is communicated with the closed space; an expiration opening is formed in the transparent mask and is communicated with an expiration hose, and the other end of the expiration hose is fixed to the middle cap and is communicated with the outside; a filter element is fixed in the expiration hose; the air supply filter is electrically connected with the battery.

The utility model discloses a multi-functional helmet, user inhale fresh air and get into user's suction range again after air supply filter sterilization disinfection filters, the air of user's exhalation is through pipeline discharge to the external world to not in user's inspiratory within range, can prevent effectively that the gas pollution of exhalation from needing inspiratory fresh air, can effectively prevent the risk of the various viruses of passing through air or droplet propagation.

Preferably, the air supply filter includes the fan cover body, one-level filter screen, second grade filter screen, fan and antiseptic solution filter core, the fan cover body is fixed in on the brim of a hat, the one-level filter screen with the second grade filter screen is fixed in from top to bottom the top of the fan cover body, the fan is fixed in the fan cover body is inside, antiseptic solution filter core is located the both sides of the fan cover body, the air intake is established the fan cover body is close to the both sides of antiseptic solution filter core, the air outlet is established fan cover body bottom, the fan with the battery electricity is connected.

Wherein, one-level filter screen and second grade filter screen carry out the prefilter to inspiratory air, mainly filter dust and particulate matter, filter the virus or bacterium of core to the air through the antiseptic solution and disinfect and filter, finally lead to the air inlet and enter into the internal portion of fan cover, under the fan effect of air-out under the last air inlet, blow in the airtight space through the air outlet with the fresh air after filtering.

Preferably, the face maintenance assembly is further included, a first inner cavity and a second inner cavity which are horizontally arranged are formed in the cap peak, the second inner cavity is arranged close to one side of the middle cap, and an inner cavity air inlet and an inner cavity air outlet are formed in one end, close to the middle cap, of the cap peak, and correspond to the second inner cavity; the first inner cavity is internally provided with a liquid storage cavity, and the air outlet corresponds to the air inlet of the inner cavity and is communicated in a sealing way; the air outlet of the inner cavity is communicated with the closed space; the face maintenance assembly comprises a supporting piece, a return spring and a push handle, and liquid seepage ports are formed in the liquid storage cavity and a partition plate of the second inner cavity; the push handle comprises a plugging part, a sliding part, a connecting part and a pressing part; the supporting piece is fixedly connected with the lower side of the cap peak and is provided with a supporting inner cavity, one end of the blocking part is matched with the liquid seepage port and is plugged and sealed with the liquid seepage port, and the other end of the blocking part and the sliding part are integrally formed; the sliding part is positioned in the second inner cavity and is in sliding connection with the lower wall of the second inner cavity, a gap is reserved between the sliding part and the upper wall of the second inner cavity, a sliding hole penetrating through the inner part and the outer part is formed in the bottom wall of the second inner cavity, the connecting part is arranged in the sliding hole in a penetrating mode, one end of the connecting part is fixed with the sliding part, and the other end of the connecting part extends to the supporting inner cavity; one end of the reset spring is horizontally fixed on the inner wall of the supporting inner cavity close to one end of the middle cap, and the free end of the reset spring at the other end is fixedly connected with the connecting part; the pressing part is perpendicular to the connecting part and penetrates through the outer wall of the supporting inner cavity; a gas-liquid spraying port is formed in the bottom wall of the second inner cavity at the bottom of one end, close to the plugging part, of the sliding part; one side of the sliding part, which is far away from the blocking part, can cover the inner cavity air outlet in a sliding manner.

During the use, the manual promotion presses the splenium, and support piece removes to the hood direction along with pressing the promotion of splenium, and the air outlet is sealed to the sliding part, exposes the hydrojet mouth simultaneously, and shutoff portion and sepage mouth separation, the liquid in the stock solution intracavity flows from the sepage mouth, and the new trend that the fan blew in passes through the gap between sliding part top and the brim of a hat upper wall, and the liquid that flows out the sepage mouth is through spouting the hydrojet mouth blowout to spout user's face, protect skin to the facial feature. The liquid storage cavity can be filled with sterilization liquid, air freshener or skin-care liquid. Because the reset spring is arranged in the supporting piece, when the hand of a user leaves the pressing part, the pressing part automatically restores to the original state.

Preferably, the hood body is hinged with a locking rod at a position corresponding to the position, far away from one side of the top cap, of the hood body, one side, close to the top cap, of the hood body is movably connected with the hood brim, a groove is formed in the other side of the hood body, and the locking rod is clamped in the groove to support the hood body so as to fix the hood body. When the user does not need the air supply filter to filter the air, can with the check lock lever anticlockwise rotation as to the brim of a hat is parallel, then with the fan cover body clockwise rotation to the hood in, accomodate the convenience.

Preferably, the position of the cap brim corresponding to the air inlet of the inner cavity is movably connected with a reset baffle, the inner side of the fan cover body corresponding to the position of the reset baffle is fixedly connected with a reset baffle inclination angle adjusting rod, and the bottom end of the reset baffle inclination angle adjusting rod is contacted with the top end of the reset baffle. The baffle inclination angle adjust rod that resets adjusts the angle of the baffle that resets, can play the effect of buffering to inspiratory air on the one hand, and on the other hand can also cancel the baffle inclination angle adjust rod that resets when air supply filter does not use, and the baffle that resets self-resetting seals the gas outlet, uses as ordinary peak cap.

Preferably, a valve core for filling liquid is installed on the outer wall of the liquid storage cavity.

Preferably, well cap inboard is installed headset and microphone, the headset with the microphone all with the battery electricity is connected, and with external electronic equipment wireless connection. The headset and the microphone are arranged, so that a user can conveniently communicate with the outside.

Preferably, a display screen and an external temperature and humidity probe are fixed on one side, away from the middle cap, of the fan cover body, a forehead temperature probe is mounted at one end, close to the brim, of the inner side of the top cap, the external temperature and humidity probe and the forehead temperature probe are electrically connected with the display screen, and the display screen is electrically connected with the battery; and an LED lamp, a horn, an LED lamp switch and a fan switch which are electrically connected with the battery are fixed on the side surface of the cap peak. The external temperature and humidity probe measures the external temperature and humidity, the obtained data are transmitted to the display screen, the forehead temperature probe measures the forehead temperature of a user, the obtained data are transmitted to the display screen, the LED lamp is used for lighting, and a speaker user amplifies the voice of the microphone. The LED lamp switch controls the LED lamp, and the fan switch controls the fan to be turned on and off.

Preferably, the top cap and the cap body are made of protective-grade soft cloth, the top cap and the middle cap are connected through a zipper and a magic tape, and a tightening rope is arranged at the position of the neck at the bottom end of the cap body.

Preferably, a solar module is installed on the top of the cap peak, and the solar module is electrically connected with the battery.

Known via foretell technical scheme, compare with prior art, the utility model discloses a multifunctional protective cover has following beneficial effect:

(1) general virus or bacterium can filter and kill through air supply filter, make the user inhale into fresh air, simultaneously, the gas of exhaling passes through the expiration hose and discharges to the air outside keeping apart, can effectively prevent the gas pollution of exhaling and need inspiratory air, reduces the risk of spreading various viruses through air or droplet.

(2) The top cap is detachably connected with the cap body, the cap body can be detached, and the rest top cap and the cap brim are used together; according to the splenium, can switch the wind channel of fan through pressing the splenium, pass through hydrojet blowout with the liquid in the stock solution intracavity, place antiseptic solution, air freshener or skin care class liquid in the stock solution intracavity, disinfect, skin care or purify the air user's face or hand, satisfy each item operation requirement of user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is an enlarged schematic view of a position a provided by the present invention.

Fig. 3 is a top view provided by the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is an enlarged schematic view of a position B provided by the present invention.

Wherein, each figure is as follows:

1-middle hat, 2-transparent face mask, 3-top hat, 4-brim, 5-battery, 6-blowing filter, 7-expiration hose, 8-reservoir, 9-support, 10-reset spring, 11-plugging part, 12-sliding part, 13-connecting part, 14-pressing part, 15-earphone, 16-microphone, 17-locking rod, 18-groove, 19-reset baffle, 20-reset baffle inclination angle adjusting rod, 21-display screen, 22-outside temperature and humidity probe, 23-lacing rope, 24-LED lamp, 25-horn, 26-LED lamp switch, 27-fan switch;

61-a fan cover body, 62-a first-stage filter screen, 63-a second-stage filter screen, 64-a disinfectant filter core, 81-a liquid seepage port, 82-a valve core and 41-a liquid spraying port;

28-a first air duct, 29-a second air duct and 30-an air inlet channel.

Detailed Description

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

The embodiment of the utility model discloses a multifunctional protective cap, which comprises a cap body, a transparent face mask 2 and a cap brim 4, wherein the cap body comprises a top cap 3 corresponding to the top of the head, a middle cap 1 corresponding to the side part of the ear and the position of the hindbrain and a lower cap corresponding to the position of the neck, and the lower cap is formed by integrally extending the bottom end of the middle cap 1 to the cladding neck; the transparent mask 2 is positioned at the position corresponding to the face and is fixedly connected with the middle cap 1; the top cap 3 is detachably connected with the middle cap 1; the brim 4 is fixedly connected with the front end of the top cap 3; a battery 5 is arranged on one side of the rear end of the top cap 3; the transparent mask 2, the top cap 3, the brim 4 and the middle cap 1 form a closed space; an air supply filter 6 is fixed at the top of one end of the brim 4 close to the top cap 3, an air inlet communicated with the outside is arranged at the top of the air supply filter 6, an air outlet is arranged at the bottom of the air supply filter 6, and the air outlet penetrates through the brim 4 and is communicated with the closed space; an expiration opening is formed in the transparent face mask 2 and is communicated with an expiration hose 7, and the other end of the expiration hose 7 is fixed with the middle cap 1 and is communicated with the outside; a filter element is fixed in the expiration hose 7; the blower filter 6 is electrically connected to the battery 5.

The multifunctional protective cap disclosed by the embodiment has the advantages that the user inhales fresh air which enters the inhaling range of the user after the air supply filter is sterilized, disinfected and filtered, the air exhaled by the user is exhausted to the outside through the exhalation hose 7 and is not in the inhaling range of the user, the exhaled air can be effectively prevented from polluting the fresh air which needs to be inhaled, and the risk of various viruses which are spread through air or spray can be effectively prevented.

In order to further optimize the above technical solution, the blowing filter 6 includes a fan cover 61, a first-stage filter 62, a second-stage filter 63, a fan and a disinfectant filter core 64, the fan cover 61 is fixed on the brim 4, the first-stage filter 62 and the second-stage filter 63 are fixed on the top of the fan cover 61 from top to bottom, the fan is arranged inside the fan cover 61, the fan is in upper air inlet and lower air outlet, the disinfectant filter core 64 is located on two sides of the fan cover 61, the air inlet is arranged on the top of two sides of the fan cover 61 close to the disinfectant filter core 64, the bottom of the fan cover 61 is arranged at the air outlet, and the fan.

During the use, first order filter screen 62 and second grade filter screen 63 carry out the prefilter to inspiratory air, mainly filter dust and particulate matter, filter the virus or the bacterium of core 64 in to the air through the antiseptic solution again and disinfect and filter, and finally lead to the air inlet and enter into the fan cover body 61 inside, under the fan effect of air-out under the upper air inlet, the fresh air after will filtering blows in airtight space through the air outlet. This channel is the first channel, see fig. 2.

In order to further optimize the technical scheme, the face maintenance assembly is further included, a first inner cavity and a second inner cavity which are horizontally arranged are arranged in the cap peak 4, the second inner cavity is arranged close to one side of the middle cap 1, and an inner cavity air inlet and an inner cavity air outlet are formed in one end, corresponding to the second inner cavity, of the cap peak and close to the middle cap 1; a liquid storage cavity 8 is formed in the first inner cavity, and the air outlet corresponds to the air inlet of the inner cavity and is communicated in a sealing mode; the air outlet of the inner cavity is communicated with the closed space; the face maintenance assembly comprises a supporting piece 9, a return spring 10 and a push handle, and a liquid seepage port 81 is formed in a partition plate between the liquid storage cavity 8 and the second inner cavity; the push handle comprises a blocking part 11, a sliding part 12, a connecting part 13 and a pressing part 14; the supporting piece 9 is fixedly connected with the lower side of the cap peak 4 and is provided with a supporting inner cavity, one end of the blocking part 11 is matched with the liquid seepage port 81 and is plugged and sealed with the liquid seepage port, and the other end of the blocking part is integrally formed with the sliding part 12; the sliding part 12 is positioned in the second inner cavity and is connected with the lower wall of the second inner cavity in a sliding way, a gap is reserved between the sliding part and the upper wall of the second inner cavity, a sliding hole penetrating through the inner part and the outer part is arranged on the bottom wall of the second inner cavity, the connecting part is arranged in the sliding hole in a penetrating way, one end of the connecting part is fixed with the sliding part, and the other end of the connecting part extends to the supporting inner cavity; one end of the reset spring 10 is horizontally fixed close to the inner wall of the supporting inner cavity at one end of the middle cap 1, and the free end of the reset spring 10 at the other end is fixedly connected with the connecting part 13; the pressing part 14 is perpendicular to the connecting part 13 and penetrates through the outer wall of the supporting inner cavity; a gas-liquid spraying port 41 is formed in the bottom wall of the second inner cavity at the bottom of one end, close to the blocking part 11, of the sliding part 12; the side of the sliding part 12 far away from the blocking part 11 can cover the inner cavity air outlet in a sliding way.

In use, the pressing portion 14 is manually pushed, and the second air duct 29 is executed. The supporting piece 9 moves towards the direction of the top cap 3 along with the pushing of the pressing portion 14, the sliding portion 12 seals the air outlet and simultaneously exposes the liquid spraying port 41, the blocking portion 11 is separated from the liquid seepage port 81, liquid in the liquid storage cavity flows out from the liquid seepage port 81, fresh air blown in by the fan passes through a gap between the top of the sliding portion 12 and the upper wall of the cap peak 4 and sprays out the liquid flowing out from the liquid seepage port 81 through the liquid spraying port 41, and therefore the liquid is sprayed to a position required by a user. The liquid storage cavity 8 can be filled with sterilization liquid, air freshener or skin-care liquid, and can be filled with corresponding liquid according to the use requirements of users. Since the support 9 is fixed with the return spring 10, when the hand of the user leaves the pressing portion 14, the pressing portion 14 automatically restores to the original shape. The supply air filter continues to execute the first air duct 28.

In order to further optimize the technical scheme, a locking rod 17 is hinged to a position, corresponding to one side of the fan cover body 61, far away from the top cap 3, on the cap brim 4, one side, close to the top cap 3, of the fan cover body 61 is movably connected with the cap brim 4, a groove 18 is formed in the other side of the fan cover body 61, and the locking rod 17 is clamped in the groove 18 to support the fan cover body 61 to be fixed. When the user does not need air supply filter 6 to filter the air, can be parallel as to brim of a hat 4 with check lock lever 17 anticlockwise rotation, then with fan cover body 61 clockwise rotation to the hood 3 in, accomodate the convenience.

In order to further optimize the technical scheme, the position of the visor 4 corresponding to the air inlet of the inner cavity is movably connected with a reset baffle 19, and the position of the inner side of the fan cover body 61 corresponding to the reset baffle 19 is fixedly connected with a reset baffle inclination angle adjusting rod 20. And the bottom end of the reset baffle inclination angle adjusting rod 20 is in contact with the top end of the reset baffle 19.

The reset baffle inclination angle adjusting rod 20 adjusts the angle of the reset baffle 19, on one hand, the angle can buffer sucked air, on the other hand, when the air supply filter 6 is not used, the reset baffle inclination angle adjusting rod 52 can be cancelled, the reset baffle 19 automatically resets, an air outlet is sealed, and the air outlet is used as a common peaked cap.

In order to further optimize the technical scheme, a valve core 82 for filling liquid is installed on the outer wall of the liquid storage cavity 8. After the liquid in the liquid storage cavity 8 is used, the liquid is filled through the valve core 82.

In order to further optimize the technical scheme, an earphone 15 and a microphone 16 are installed on the inner side of the middle cap 1, and the earphone 15 and the microphone 16 are both electrically connected with the battery 5 and wirelessly connected with external electronic equipment. The headset 15 and the microphone 16 are arranged to facilitate communication between a user and the outside. The microphone 15 is electrically connected to the speaker 25, and the speaker 25 performs audio amplification on the microphone 15.

In order to further optimize the technical scheme, a display screen 21 and an external temperature and humidity probe 22 are fixed on one side of the fan cover body 61, which is far away from the middle cap 1, a forehead temperature probe is installed at one end, which is close to the brim 4, of the inner side of the top cap 3, the external temperature and humidity probe 22 and the forehead temperature probe are electrically connected with the display screen 21, and the display screen 21 is electrically connected with the battery 5; an LED lamp 24, a horn 25, an LED lamp switch 26 and a fan switch 27 electrically connected with the battery are fixed on the side surface of the visor 4. External temperature and humidity probe 22 measures external temperature and humidity, and the data that obtain transmit the display screen, and the forehead temperature probe measures user's forehead temperature, and the data that obtain transmit the display screen, and LED lamp 24 is used for the illumination, and loudspeaker 25 is used for the user to carry out the public address to the pronunciation of microphone. The LED lamp switch 26 controls the LED lamp on and off, and the fan switch 27 controls the fan on and off.

In order to further optimize above-mentioned technical scheme, hood 3 and well cap 1 all adopt the soft cloth of protection level, and hood 3 passes through zip fastener and magic subsides with well cap 1 and is connected, and well cap 1 and rivet 3 can be dismantled, can connect, confirm according to customer's user demand. The neck part at the bottom end of the middle cap 1 is provided with a tightening rope 23, and the tightening rope 23 is used for tightening the neck part of a user.

In order to further optimize the technical scheme, a solar module is mounted on the top of the cap peak 4 and is electrically connected with the battery 5. When the user uses under the sunshine condition, can absorb light energy through solar energy component and carry out the electric energy storage to realize spontaneous self-service, the energy saving, convenient to use.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The multifunctional protective cap is characterized by comprising a cap body, a transparent face mask (2) and a cap peak (4), wherein the cap body comprises a top cap (3) corresponding to the top of the head, a middle cap (1) corresponding to the side part of ears and the back head, and a lower cap corresponding to the neck, and the lower cap is formed by integrally extending the bottom end of the middle cap (1) to cover the neck; the transparent mask (2) is positioned at the position corresponding to the face and is fixedly connected with the middle cap (1); the top cap (3) is detachably connected with the middle cap (1); the brim (4) is fixedly connected with the front end of the top cap (3); a battery (5) is arranged on one side of the rear end of the top cap (3);

the transparent mask (2), the top cap (3), the brim (4) and the middle cap (1) form a closed space; an air supply filter (6) is fixed at the top of one end, close to the top cap (3), of the cap peak (4), an air inlet communicated with the outside is formed in the top of the air supply filter (6), an air outlet is formed in the bottom of the air supply filter, and the air outlet penetrates through the cap peak (4) and is communicated with the closed space; an expiration opening is formed in the transparent face mask (2), the expiration opening is communicated with an expiration hose (7), and the other end of the expiration hose (7) is fixed with the middle cap (1) and communicated with the outside; a filter element is fixed in the expiration hose (7); the air supply filter (6) is electrically connected with the battery (5).

2. The multifunctional protective cap according to claim 1, wherein the blowing filter (6) comprises a fan housing (61), a primary filter (62), a secondary filter (63), a fan and disinfectant filter (64),

the fan cover body (61) is arranged on the brim (4); the primary filter screen (62) and the secondary filter screen (63) are vertically fixed on the top of the fan cover body (61); the fan is fixed inside the fan cover body (61); the disinfectant filter element (64) is positioned at two sides of the fan cover body (61), and the air inlet is formed in the top of the fan cover body (61) close to the two sides of the disinfectant filter element (64); the air outlet is formed in the bottom of the fan cover body (61), and the fan is electrically connected with the battery (5).

3. The multifunctional protective cap according to claim 2, further comprising a face maintenance assembly, wherein the brim (4) has a first inner cavity and a second inner cavity arranged horizontally, the second inner cavity is arranged near one side of the middle cap (1), and one end of the brim, which corresponds to the second inner cavity and is near the middle cap (1), is provided with an inner cavity air inlet and an inner cavity air outlet; a liquid storage cavity (8) is formed in the first inner cavity, and the air outlet corresponds to the position of the air inlet of the inner cavity and is communicated in a sealing mode; the air outlet of the inner cavity is communicated with the closed space;

the face maintenance assembly comprises a supporting piece (9), a return spring (10) and a push handle, and liquid seepage ports (81) are formed in the liquid storage cavity (8) and a partition plate of the second inner cavity;

the push handle comprises a blocking part (11), a sliding part (12), a connecting part (13) and a pressing part (14); the support piece (9) is fixedly connected with the lower side of the cap peak (4) and is provided with a support inner cavity, one end of the blocking part (11) is matched with the liquid seepage port (81) and is plugged and sealed with the liquid seepage port, and the other end of the blocking part is integrally formed with the sliding part (12);

the sliding part (12) is positioned in the second inner cavity and is in sliding connection with the lower wall of the second inner cavity, a gap is formed between the sliding part and the upper wall of the second inner cavity, a sliding hole penetrating through the inner part and the outer part is formed in the bottom wall of the second inner cavity, the connecting part is arranged in the sliding hole in a penetrating mode, one end of the connecting part is fixed with the sliding part, and the other end of the connecting part extends to the supporting inner cavity; one end of the return spring (10) is horizontally fixed on the inner wall of the supporting inner cavity close to one end of the middle cap (1), and the free end of the return spring (10) at the other end is fixedly connected with the connecting part (13); the pressing part (14) is perpendicular to the connecting part (13) and penetrates through the outer wall of the supporting inner cavity;

a gas-liquid spraying port (41) is formed in the bottom wall of the second inner cavity, close to the bottom of one end of the blocking part (11), of the sliding part (12); one side of the sliding part (12) far away from the blocking part (11) can cover the inner cavity air outlet in a sliding manner.

4. The multifunctional protective cap according to claim 3, wherein a locking rod (17) is hinged to a position on the cap brim (4) corresponding to a side of the fan cover body (61) far away from the top cap (3), one side of the fan cover body (61) close to the top cap (3) is movably connected with the cap brim (4), a groove (18) is formed in the other side of the fan cover body, and the locking rod (17) is clamped in the groove (18) to support the fan cover body (61) for fixing.

5. The multifunctional protective cap according to claim 4, wherein a reset baffle (19) is movably connected to the position of the cap brim (4) corresponding to the air inlet of the inner cavity, a reset baffle tilt angle adjusting rod (20) is fixedly connected to the position of the inner side of the fan cover body (61) corresponding to the reset baffle (19), and the bottom end of the reset baffle tilt angle adjusting rod (20) is in contact with the top end of the reset baffle (19).

6. Multifunctional protective cap according to claim 5, characterized in that the outer wall of the reservoir (8) is equipped with a valve core (82) for filling with liquid.

7. A multifunctional protective helmet according to claim 6, characterized in that said middle cap (1) is internally equipped with a headset (15) and a microphone (16), said headset (15) and said microphone (16) are both electrically connected to said battery (5) and wirelessly connected to external electronic devices.

8. The multifunctional protective cap according to claim 7, wherein a display screen (21) and an external temperature and humidity probe (22) are fixed on one side of the fan cover body (61) away from the middle cap (1), a forehead temperature probe is installed at one end of the inner side of the top cap (3) close to the visor (4), the external temperature and humidity probe (22) and the forehead temperature probe are electrically connected with the display screen (21), and the display screen (21) is electrically connected with the battery (5); and an LED lamp (24), a loudspeaker (25), an LED lamp switch (26) and a fan switch (27) which are electrically connected with the battery are fixed on the side surface of the cap peak (4).

9. The multifunctional protective hat according to claim 8, wherein the top hat (3) and the middle hat (1) are made of protective soft cloth, the top hat (3) and the middle hat (1) are connected through a zipper and a magic tape, and a tightening rope (23) is arranged at the neck position at the bottom end of the middle hat (1).

10. Multifunctional protective hat according to any of claims 1 to 9, characterized in that a solar module is mounted on top of the visor (4) and electrically connected to the battery (5).