CN220276150U

CN220276150U - Positive pressure protective head cover

Info

Publication number: CN220276150U
Application number: CN202321786996.4U
Authority: CN
Inventors: 王智辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-01-02
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a positive pressure protective hood, wherein a hood isolation member comprises a hood body on a hood seat, a transparent face mask of the hood body is opened and closed on the hood seat, an air inlet communicated with the hood body and a magnetic control switch controlled by the opening and closing of the transparent face mask are arranged on the hood seat; the air filtering and sterilizing component comprises a filtering and sterilizing device, the filtering and sterilizing device comprises a housing and a cover cap, an air outlet is formed in the side part of the housing, an air inlet is formed in the cover cap, a filtering core plate and an ultraviolet sterilizing lamp or an ultraviolet light emitting diode, an exhaust fan and a battery which are connected through a control circuit are arranged in the housing, the filtering core plate is attached to the cover cap, an air outlet of the exhaust fan is communicated with the air outlet of the housing, and the ultraviolet sterilizing lamp or the ultraviolet light emitting diode is arranged between the filtering core plate and an air suction port of the exhaust fan; the air supply hose component comprises a corrugated air pipe with an intermediate circuit, two ends of the corrugated air pipe are respectively connected with an air outlet of the housing and an air inlet hole of the housing seat, and the magnetic control switch is connected with the control circuit through the intermediate circuit.

Description

Positive pressure protective head cover

Technical Field

The utility model relates to a head protection device, in particular to a positive pressure protective head cover.

Background

In order to further improve the protection function of the traditional hood, the applicant puts forward an utility model patent application of an authorized bulletin No. CN200947841Y, namely, a hood seat is assembled at the bottom of a hood body, an air filter and an electromechanical anti-fog device are arranged on the hood seat, and the hood body consists of a face mask and a rear mask; the electromechanical antifogging device comprises an air blower, a touch switch and a battery, wherein the air blower is arranged on the inner side of the air filter, and the battery is arranged on the cover seat.

Because air cleaner and electromechanical antifog device are set up on the cover seat, have increased the weight of hood in the intangibly, wear for a long time and can cause the discomfort, air cleaner can filter dust, droplet and suspension germ in the air, but because self does not have the function of disinfecting, receive the pollution of bacterium and virus easily, can not continuously provide clean air.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a positive pressure protective head cover.

Can solve the positive pressure protection hood of prior art problem, its technical scheme includes that cover body keeps apart component, air supply hose component and air filtration kill the component, and what is different is:

1. the cover body isolation component comprises a cover seat worn on the shoulder of a human body, the cover body is arranged on the cover seat, the cover body comprises a transparent face mask and a rear cover, the transparent face mask can be opened and closed on the cover seat, and an air inlet hole communicated with the cover body and a magnetic control switch controlled by the opening and closing of the transparent face mask are arranged on the cover seat.

2. The air filtering and disinfecting component comprises a filtering and disinfecting device worn on the waist of a human body, the filtering and disinfecting device comprises a housing and a cover, an air outlet is formed in the side portion of the housing, an air inlet is formed in the cover, a filtering core plate, an ultraviolet sterilizing lamp or an ultraviolet light emitting diode (UV-LED), an exhaust fan and a battery are arranged in the housing, the filtering core plate is attached to the cover, an air blowing port of the exhaust fan is communicated with the air outlet of the housing, the ultraviolet sterilizing lamp or the ultraviolet light emitting diode (UV-LED) is arranged between the filtering core plate and an air suction port of the exhaust fan, and a charging socket for charging the battery is arranged on the side portion of the housing.

3. The air supply hose component comprises a corrugated air pipe with an inner middle circuit, two ends of the corrugated air pipe are respectively connected with an air outlet of the housing and an air inlet hole of the housing seat, and the magnetic control switch is connected to the control circuit through the middle circuit.

4. The closed transparent mask is conducted with the magnetic control switch, and the control circuit starts the exhaust fan to convey clean air filtered by the filter element plate into the mask body through the corrugated air pipe.

5. The opened transparent mask turns off the magnetic switch, and the control circuit turns off the exhaust fan and turns on an ultraviolet germicidal lamp or an ultraviolet light emitting diode (UV-LED) to sterilize the filter core plate.

Further, a manual switch connected to the control circuit is arranged on the side of the housing, and when the transparent mask is opened, the ultraviolet germicidal lamp or ultraviolet light emitting diode (UV-LED) can be turned off and the exhaust fan can be turned on by operating the manual switch.

Further, an alarm for warning when the battery power is insufficient is provided on the control circuit corresponding to the battery.

Further, a booster for enhancing the light irradiation intensity is provided on the control circuit corresponding to the ultraviolet germicidal lamp or the ultraviolet light emitting diode (UV-LED).

Further, a battery plug connector capable of disconnecting the battery from all electrical components is arranged on the control circuit, and the battery plug connector comprises a plug and a socket.

Further, one end of the corrugated air pipe is screwed on the thread seat at the air inlet of the cover seat through the thread cover, and the middle circuit at the same end is spliced with the magnetic control switch through the magnetic control connecting plug; the utility model discloses a copper sheet protection sleeve, including corrugated pipe, buckle structure, left and right elastic bayonet lock, left and right wire of the middle line of same end is connected respectively to the tracheal other end of ripple, the gas outlet of housing is connected through the buckle structure that locates in the copper sheet sheath, buckle structure is including locating the chuck on the corrugated pipe and locating the cutting ferrule on the housing gas outlet, left and right elastic bayonet lock connects left and right wire of the middle line of same end respectively on the chuck, left and right symmetrical 'L' type draw-in groove has been seted up corresponding to left and right elastic bayonet lock on the port of cutting ferrule, sets up left and right elastic copper sheet in the left and right 'L' type draw-in groove, left and right elastic copper sheet passes through left and right wire connection control circuit in the cutting ferrule.

Further, an air deflector capable of changing the wind direction is arranged at the air inlet hole in the cover body, and an air guide sheet is inserted on the air deflector.

The utility model has the beneficial effects that:

1. the positive pressure protective hood can protect the head and the neck of a worker from surrounding air, and ensure the safety of the respiratory system of the worker.

2. The utility model can prevent the spread of spray, prevent the splash of infectious patients, automatically filter the suspended germs in the air, and simultaneously prevent wind, dust and ultraviolet.

3. In the structure of the utility model, the filtering and sterilizing device and the head cover (the cover seat and the cover body) are arranged in a split way, the weight of the head cover is reduced, and the wearing is easy and free.

Drawings

Fig. 1 is an isometric view of one embodiment of the utility model.

Fig. 2 is a side view of the embodiment of fig. 1.

Fig. 3 is an exploded view of the air filtering and disinfecting member and the air supply hose member of the embodiment of fig. 1.

Fig. 4 is a circuit diagram of the embodiment of fig. 1.

Drawing number identification: 1. a cover seat; 2. a transparent mask; 3. a filter sterilizer; 4. a housing; 5. a cover cap; 6. a filter core plate; 7. an ultraviolet germicidal lamp; 8. an exhaust fan; 9. a battery; 10. a corrugated air pipe; 11. an intermediate line; 12. a manual switch; 13. a booster; 14. a screw cap; 15. a screw seat; 16. a magnetic control connecting plug; 17. a chuck; 18. a cutting sleeve; 19. a copper sheet sheath; 20. a charging socket; 21. a rear cover; 22. an elastic bayonet lock; 23. an L-shaped clamping groove; 24. a clamping seat; 25. an alarm; 26. and a battery plug.

Detailed Description

The technical scheme of the utility model is further described below with reference to the embodiment shown in the drawings.

The utility model discloses a positive pressure protective hood which comprises a hood body isolation member, an air supply hose member and an air filtering and sterilizing member, wherein the air supply hose member is connected with the hood body isolation member and the air filtering and sterilizing member through a detachable structure.

The cover body isolation component comprises a cover, the cover comprises a cover body arranged on a cover seat 1, the cover body comprises a transparent cover 2 and a rear cover 21, the transparent cover 2 can be opened outwards and closed on the cover seat 1 after returning, a magnetic switch is arranged on the cover seat 1 corresponding to the closing of the transparent cover 2, an air inlet is formed in the cover seat 1 in a front-back through mode, a front port of the air inlet is a threaded seat 15 arranged on the cover seat 1, an air deflector arranged in the cover body is arranged at a rear port of the air inlet, an air deflector is inserted on the air deflector, and left and right braces are respectively arranged on the left side and the right side of the cover seat 1, as shown in fig. 1 and 2.

The air supply hose component comprises a corrugated air pipe 10, an intermediate circuit 11 formed by two wires is arranged inside the corrugated air pipe 10, a screw cap 14 is arranged at one end of the corrugated air pipe 10, the two wires of the intermediate circuit 11 at the end are connected with a magnetic control connecting plug 16 into a whole and extend out of the screw cap 14, a clamping head 17 of a clamping structure is arranged at the other end of the corrugated air pipe 10, a left elastic clamping pin 22 and a right elastic clamping pin 22 (extending out of the clamping head 17 under the action of an internal compression spring) are arranged on the clamping head 17, and the two wires of the intermediate circuit 11 at the end are respectively connected with the left elastic clamping pin 22 and the right elastic clamping pin 22, as shown in figure 3.

The air filtering and sterilizing component comprises a filtering and sterilizing device 3, the filtering and sterilizing device 3 comprises a housing 4 and a cover cap 5 which is covered at a front end cover opening of the housing 4, an air inlet is formed in the cover cap 5, an air outlet is formed in a clamping seat 24 at the lower side part of the housing 4, a clamping sleeve 18 with a clamping structure is arranged on the clamping seat 24, L-shaped clamping grooves 23 which are symmetrical left and right are formed in ports of the clamping sleeve 18, left and right elastic copper sheets are respectively arranged in the left and right L-shaped clamping grooves 23, and left and right waistbands are respectively arranged at the left and right side parts of the housing 4; the inside of the housing 4 is connected with an ultraviolet sterilizing lamp 7 or an ultraviolet light emitting diode (UV-LED), an exhaust fan 8, a battery 9, an alarm 25 and a booster 13 through a control circuit, an air blowing port of the exhaust fan 8 is communicated with an air outlet of the housing 4, a filter core plate 6 which is tightly attached to the cover 5 is arranged in front of an air suction port of the exhaust fan 8, the ultraviolet sterilizing lamp 7 or the ultraviolet light emitting diode (UV-LED) is arranged between the air suction port of the exhaust fan 8 and the filter core plate 6, a manual switch 12 which is connected with the control circuit is arranged on the upper side of the housing 4, the manual switch 12 is provided with three gears which are respectively a stop gear, a manual gear and an automatic gear, a charging socket 20 for charging the battery 9 is arranged on the lower side of the housing 4, and left and right elastic copper sheets are connected on the control circuit through left and right wires as shown in fig. 3 and 4.

The assembly mode of the utility model is as follows:

1. the head cover is worn on the shoulder of the human body through the cover seat 1 and is bound at the left armpit and the right armpit of the human body by using the braces at the left side and the right side.

2. The housing 4 of the filtering and disinfecting device 3 is bound on the waist of a human body through waistbands on the left side and the right side.

3. The screw cap 14 at one end of the corrugated air pipe 10 is screwed on the screw base 15 of the cover base 1, and the magnetic control connecting plug 16 penetrates through the air inlet hole to extend into the cover body to be connected with the magnetic switch before screwing.

4. The clamping head 17 at the other end of the corrugated air pipe 10 is clamped with the clamping sleeve 18 on the housing 4 (the left elastic clamping pin 22 and the right elastic clamping pin 22 of the clamping head 17 are inserted into the left L-shaped clamping groove 23 and the right L-shaped clamping groove 23 of the clamping sleeve 18 and rotated 90 degrees to clamping positions), the clamping head 17 and the clamping sleeve 18 are positioned by the copper sheet sheath 19 of the clamping structure, and the left elastic clamping pin 22 is communicated with the left elastic copper sheet and the right elastic copper sheet through the copper sheet sheath 19.

The operation mode of the utility model is as follows:

1. the manual switch 12 is in a stop.

2. The transparent mask 2 is closed, the magnetic switch is turned on, the control circuit starts the exhaust fan 8 to turn off the ultraviolet sterilization lamp 7 or the ultraviolet light emitting diode (UV-LED), and the exhaust fan 8 transmits clean air filtered by the filter core plate 6 into the mask body through the corrugated air pipe 10.

3. The transparent mask 2 is opened, the magnetic control switch is turned off, the control circuit turns off the exhaust fan 8 and turns on the ultraviolet sterilization lamp 7 or the ultraviolet light emitting diode (UV-LED) to sterilize the filter core plate 6.

4. In the open state of the transparent mask 2, the operating mode can be changed by means of the manual switch 12, i.e. the manual switch 12 is pressed down, the control circuit activates the suction fan 8 and switches off the ultraviolet germicidal lamp 7 or the ultraviolet light emitting diode (UV-LED).

5. When the battery 9 is charged through the charging receptacle 20:

(1) the automatic stop of the manual switch 12 is pressed, and the control circuit starts the ultraviolet germicidal lamp 7 or the ultraviolet light emitting diode (UV-LED) to sterilize the filter core plate 6.

(2) The manual switch 12 is pressed down, and the control circuit starts the exhaust fan 8 to turn off the ultraviolet germicidal lamp 7 or the ultraviolet light emitting diode (UV-LED).

6. The control circuit is also provided with a battery plug-in connector 26 formed by a plug and a socket, as shown in figure 3, and the plug and the socket are plugged in during operation, so that the control circuit works normally; in order to prevent malfunction of the manual switch 12 when not in operation, the plug and socket are unplugged and the control circuit disconnects the battery 9 from all electrical components.

Claims

1. The positive pressure protective hood comprises a hood body isolation member, an air supply hose member and an air filtering and sterilizing member, and is characterized in that:

the cover body isolation component comprises a cover seat (1) worn on the shoulder of a human body, the cover body is arranged on the cover seat (1), the cover body comprises a transparent mask (2) and a rear cover (21), the transparent mask (2) can be opened and closed on the cover seat (1), and the cover seat (1) is provided with an air inlet hole communicated with the cover body and a magnetic control switch controlled by the opening and closing of the transparent mask (2);

the air filtering and disinfecting component comprises a filtering and disinfecting device (3) worn on the waist of a human body, the filtering and disinfecting device (3) comprises a housing (4) and a cover cap (5), an air outlet is formed in the side part of the housing (4), an air inlet is formed in the cover cap (5), a filtering core plate (6), an ultraviolet sterilizing lamp (7) or an ultraviolet light emitting diode, an exhaust fan (8) and a battery (9) which are connected through a control circuit are arranged in the housing (4), the filtering core plate (6) is attached to the cover cap (5), an air blowing port of the exhaust fan (8) is communicated with the air outlet of the housing (4), and a charging socket (20) for charging the battery (9) is arranged on the side part of the housing (4) and is arranged between the filtering core plate (6) and the air suction port of the exhaust fan (8);

the air supply hose component comprises a corrugated air pipe (10) internally provided with an intermediate circuit (11), two ends of the corrugated air pipe (10) are respectively connected with an air outlet of the housing (4) and an air inlet hole of the housing seat (1), and the magnetic control switch is connected to the control circuit through the intermediate circuit (11);

the transparent mask (2) is closed to conduct the magnetic switch, the control circuit starts the exhaust fan (8) to convey clean air filtered by the filter core plate (6) into the mask body through the corrugated air pipe (10);

the magnetic control switch is turned on and off by the opening of the transparent mask (2), and the control circuit turns off the exhaust fan (8) and turns on the ultraviolet sterilization lamp (7) or the ultraviolet light emitting diode to sterilize the filter core plate (6).

2. The positive pressure shield hood according to claim 1, wherein: the side part of the housing (4) is provided with a manual switch (12) connected to a control circuit, and when the transparent mask (2) is opened, the manual switch (12) is operated to turn off the ultraviolet sterilizing lamp (7) or the ultraviolet light emitting diode and turn on the exhaust fan (8).

3. The positive pressure shield hood according to claim 1, wherein: an alarm is arranged on the control circuit corresponding to the battery (9).

4. The positive pressure shield hood according to claim 1, wherein: a booster (13) is provided on the control circuit corresponding to the ultraviolet germicidal lamp (7) or the ultraviolet light emitting diode.

5. The positive pressure shield hood according to claim 1, wherein: the control circuit is provided with a battery plug (26) which can disconnect the battery (9) from all electrical components, and the battery plug (26) comprises a plug and a socket.

6. A positive pressure shield hood according to any one of claims 1 to 5 wherein: one end of the corrugated air pipe (10) is screwed on a thread seat (15) at an air inlet hole of the cover seat (1) through a thread cover (14), and an intermediate circuit (11) at the same end is spliced with the magnetic control switch through a magnetic control connecting plug (16); the other end of the corrugated air pipe (10) is connected with the air outlet of the housing (4) through a buckle structure arranged in the copper sheet sheath (19), the buckle structure comprises a clamping head (17) arranged on the corrugated air pipe (10) and a clamping sleeve (18) arranged on the air outlet of the housing (4), a left elastic clamping pin (22) and a right elastic clamping pin (22) which are symmetrical left and right are arranged on the clamping head (17), the left elastic clamping pin (22) is respectively connected with left and right wires of an intermediate circuit (11) at the same end, a left L-shaped clamping groove (23) and a right L-shaped clamping groove (23) which are symmetrical left and right are correspondingly arranged on a port of the clamping sleeve (18), and a left elastic copper sheet and a right elastic copper sheet are arranged in the left L-shaped clamping groove and right L-shaped clamping groove (23) and are connected with a control circuit through the circuits in the clamping sleeve (18).

7. A positive pressure shield hood according to any one of claims 1 to 5 wherein: an air deflector capable of changing the wind direction is arranged at an air inlet hole in the cover body, and an air guide sheet is inserted on the air deflector.