CN214435935U

CN214435935U - Pressure-fired protection hood with secondary filtering and air suction functions

Info

Publication number: CN214435935U
Application number: CN202120084147.9U
Authority: CN
Inventors: 林沼君; 李磊强; 宋琳琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-22
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a pressure-fired protection hood with secondary filter function of breathing in relates to medical instrument technical field. The utility model discloses a hood body, the rear end face fixedly connected with bandeau of hood body, the lower fixed surface intercommunication of hood body has the gas-supply pipe, the fixed intercommunication of the other end of gas-supply pipe has the rose box, the lateral wall fixed mounting of rose box has the suction fan, the interior diapire fixedly connected with installation piece of rose box, the equal fixedly connected with fixed block of the last inner wall of installation piece and rose box, the lateral wall fixedly connected with traveller of fixed block, traveller surface sliding connection has filter plate, fixedly connected with gauze board between the upper and lower inner wall of rose box, fixedly connected with activated carbon plate between the one end both sides inner wall of being close to the hood body of gas-supply pipe, a lateral wall fixedly connected with braces of rose box. The utility model provides a current protective face mask is difficult to carry out secondary filter to the air, is difficult to shake the processing problem to filtering the otter board.

Description

Pressure-fired protection hood with secondary filtering and air suction functions

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a pressure-fired protection hood with secondary filter function of breathing in.

Background

The protective mask is used as a personal protective device and is used for providing effective protection for respiratory organs, eyes and facial skin of a person, the mask is an important component of the gas mask and is a component for isolating the face of the person from outside contaminated air, the gas mask consists of a mask, an air duct and a canister, and the mask can be directly connected with the canister for use or connected with the canister for use by the air duct. The protective mask can be applied to chemical industry, warehouses, scientific research and various toxic and harmful operating environments by respectively selecting various types of canister according to the protection requirement.

However, the traditional protective hood is poor in air suction filtering effect, is difficult to perform secondary filtering on air, is poor in protective performance during use, is difficult to vibrate the filter screen plate through the filter box of the traditional protective hood, and is easy to block the filter screen plate during use, so that the filtering effect is influenced, and great inconvenience is brought.

In order to solve the problem, the utility model provides a pressure-fired protection hood with secondary filter function of breathing in.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure-fired protection hood with secondary filter function of breathing in solves current protective face mask and is difficult to carry out secondary filter to the air, is difficult to shake the processing problem to filtering the otter board.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a micro-positive pressure protective hood with secondary filtering and air suction functions, which comprises a hood body, the rear end face of the hood body is fixedly connected with a head band, the head band has elasticity, the outer surface of the hood body is provided with a plurality of exhaust holes which are evenly distributed, the lower surface of the hood body is fixedly communicated with a gas pipe, the other end of the gas pipe is fixedly communicated with a filter box, the side wall of the filter box is fixedly provided with a suction fan, the inner bottom wall of the filter box is fixedly connected with an installation block, the installation block and the upper inner wall of the filter box are both fixedly connected with fixed blocks, the side wall of the fixed block is fixedly connected with a sliding post, the outer surface of the sliding post is slidably connected with a filter screen plate, a gauze plate is fixedly connected between the upper inner wall and the lower inner wall of the filter box, an active carbon plate is fixedly connected between the inner walls at both sides of one end of the gas pipe close to the hood body, and a shoulder strap is fixedly connected with one side wall of the filter box, the lateral wall of rose box is connected with the sealing door through hinge rotation, can carry out secondary filter to inspiratory air through filter screen board, gauze board and the active carbon board that sets up, reduces traditional protective mask and is difficult to carry out secondary filter to it and handles, and the relatively poor possibility of filter effect has promoted the filter effect of device.

Further, the last fixed surface of rose box installs the rotation motor, the output of rotation motor passes through shaft coupling fixedly connected with bull stick, the one end of bull stick runs through the last inner wall of rose box and stretches into in the rose box, the fixed cover of surface of bull stick is equipped with the cam, the cam is connected with bull stick off-centre, the surface cover of traveller is equipped with reset spring, reset spring's both ends are connected with the lateral wall of fixed block and the lateral wall of filtering the otter board respectively, through the cam that sets up, the bull stick, traveller and reset spring can shake the processing to filtering the otter board, the possibility of filtering otter board length and using the jam has been reduced, the filter effect of device has been promoted.

Furthermore, one end of the sliding column is fixedly connected with a limiting cover, the filtering screen plate can be limited through the limiting cover, and the possibility that the filtering screen plate falls off is reduced.

Further, the upper inner wall of the filter box is fixedly connected with a disinfection lamp, and the disinfection lamp can be used for disinfecting and purifying sucked air.

Furthermore, the upper surface of the mounting block is fixedly connected with an inclined plate, the lower inner wall of the filter box is fixedly connected with a collecting box, and dust and the like adhered to the outer surface of the filter screen plate can be collected, concentrated and uniformly processed through the arranged collecting box.

Further, the preceding terminal surface fixed mounting of hood body has the goggles, the equal fixedly connected with anticollision strip in the edge of rose box, can reduce the possibility that the user collided to it and caused the injury through the anticollision strip that sets up.

The utility model discloses following beneficial effect has:

the utility model discloses a filter plate of setting, gauze board and active carbon board can carry out secondary filter to inspiratory air, it is difficult to carry out secondary filter to it to reduce traditional protective mask, the relatively poor possibility of filter effect, the filter effect of device has been promoted, cam through setting up, the bull stick, traveller and reset spring can shake the processing to filtering the otter board, the possibility of filter plate length use jam has been reduced, the filter effect of device has been promoted, spacing lid through setting up can carry out spacing processing to filtering the otter board, reduce the possibility that filters the otter board and drop, the disinfection lamp through setting up can disinfect the effect of purifying to inspiratory air, can reduce the user mistake through the anticollision strip that sets up and bump the possibility that causes the injury to it.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the filtration tank of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of the gas delivery conduit of FIG. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a hood body; 2. goggles; 3. an exhaust hole; 4. a gas delivery pipe; 5. a headband; 6. a harness; 7. a filter box; 8. a rotation motor; 9. an anti-collision strip; 10. a sterilizing lamp; 11. a rotating rod; 12. a filter screen plate; 13. a suction fan; 14. a collection box; 15. mounting blocks; 16. a gauze plate; 17. a cam; 18. a limiting cover; 19. a traveler; 20. a return spring; 21. a fixed block; 22. an activated carbon plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the utility model relates to a micro-positive pressure protective head cover with secondary filtering and air suction functions, which comprises a head cover body 1, a head band 5 is fixedly connected to the rear end face of the head cover body 1, the head band 5 has elasticity, a plurality of uniformly distributed exhaust holes 3 are arranged on the outer surface of the head cover body 1, an air pipe 4 is fixedly communicated with the lower surface of the head cover body 1, a filter box 7 is fixedly communicated with the other end of the air pipe 4, a suction fan 13 is fixedly arranged on the side wall of the filter box 7, an installation block 15 is fixedly connected to the inner bottom wall of the filter box 7, a fixed block 21 is fixedly connected to both the installation block 15 and the upper inner wall of the filter box 7, a sliding column 19 is fixedly connected to the side wall of the fixed block 21, a filter screen plate 12 is slidably connected to the outer surface of the sliding column 19, a gauze plate 16 is fixedly connected between the upper and lower inner walls of the filter box 7, and an active carbon plate 22 is fixedly connected between the inner walls of the air pipe 4 near both sides of one end of the head cover body 1, a lateral wall fixedly connected with braces 6 of rose box 7, the lateral wall of rose box 7 is connected with the sealing door through hinge rotation, can carry out secondary filter to inspiratory air through filter screen board 12, gauze board 16 and the active carbon board 22 that set up, reduces traditional protective mask and is difficult to carry out secondary filter to it and handles, and the relatively poor possibility of filter effect has promoted the filter effect of device.

Preferably, the upper surface of the filter box 7 is fixedly provided with a rotating motor 8, the output end of the rotating motor 8 is fixedly connected with a rotating rod 11 through a coupler, one end of the rotating rod 11 penetrates through the upper inner wall of the filter box 7 and extends into the filter box 7, a cam 17 is fixedly sleeved on the outer surface of the rotating rod 11, the cam 17 is eccentrically connected with the rotating rod 11, a return spring 20 is sleeved on the outer surface of a sliding column 19, two ends of the return spring 20 are respectively connected with the side wall of a fixed block 21 and the side wall of a filter screen plate 12, the filter screen plate 12 can be vibrated through the arranged cam 17, the rotating rod 11, the sliding column 19 and the return spring 20, the possibility of blockage in length use of the filter screen plate 12 is reduced, and the filtering effect of the device is improved.

Preferably, one end of the slide column 19 is fixedly connected with a limiting cover 18, and the limiting cover 18 can limit the filter screen plate 12, so as to reduce the possibility that the filter screen plate 12 falls off.

Preferably, a disinfection lamp 10 is fixedly connected to the upper inner wall of the filter box 7, and the disinfection lamp 10 is arranged to perform the disinfection and purification function on the sucked air.

Preferably, the inclined plate is fixedly connected to the upper surface of the mounting block 15, the collecting box 14 is fixedly connected to the lower inner wall of the filter box 7, and the dust and the like adhered to the outer surface of the filter screen plate 12 can be collected, concentrated and uniformly processed through the arranged collecting box 14.

Preferably, the preceding terminal surface fixed mounting of hood body 1 has goggles 2, and the equal fixedly connected with anticollision strip 9 in filter box 7's edge, the anticollision strip 9 through the setting can reduce the user mistake and bump the possibility of causing the injury to it.

As shown in fig. 1-4, this embodiment is a method for using a micro-positive pressure protective head cover with secondary filtering and air suction functions: can carry the 7 backs of rose box through braces 6 that set up and carry, then take the use of taking through bandeau 5 with hood body 1, during the use, start suction fan 13 and begin to breathe in, filter screen plate 12 through the setting and carry out prefiltration to the air, activated carbon plate 22 through the setting can carry out secondary filter to the air, start rotating motor 8 during the filtration and drive filter screen plate 12 and carry out reciprocating vibration, reduce the possibility of filtering screen plate 12 jam, open the sealing door after finishing using, will collect box 14 and take out, concentrate unified processing to the dust of collection etc..

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pressure-fired protection hood with secondary filter function of breathing in, includes hood body (1), its characterized in that: the back end face of the hood body (1) is fixedly connected with a head band (5), the head band (5) has elasticity, the outer surface of the hood body (1) is provided with a plurality of exhaust holes (3) which are uniformly distributed, the lower surface of the hood body (1) is fixedly communicated with a gas pipe (4), the other end of the gas pipe (4) is fixedly communicated with a filter box (7), the side wall of the filter box (7) is fixedly provided with a suction fan (13), the inner bottom wall of the filter box (7) is fixedly connected with a mounting block (15), the upper inner walls of the mounting block (15) and the filter box (7) are both fixedly connected with a fixed block (21), the side wall of the fixed block (21) is fixedly connected with a sliding column (19), the outer surface of the sliding column (19) is slidably connected with a filter screen plate (12), a gauze plate (16) is fixedly connected between the upper inner wall and the lower inner wall of the filter box (7), and an activated carbon plate (22) is fixedly connected between the inner walls of the two sides of one end, close to the hood body (1), of the gas pipe (4), one side wall of the filter box (7) is fixedly connected with a strap (6), and the side wall of the filter box (7) is rotatably connected with a sealing door through a hinge.

2. The micro-positive pressure protective hood with the secondary filtering and air suction functions as claimed in claim 1, wherein a rotary motor (8) is fixedly mounted on the upper surface of the filter box (7), the output end of the rotary motor (8) is fixedly connected with a rotary rod (11) through a coupler, one end of the rotary rod (11) penetrates through the upper inner wall of the filter box (7) and extends into the filter box (7), a cam (17) is fixedly sleeved on the outer surface of the rotary rod (11), the cam (17) is eccentrically connected with the rotary rod (11), a return spring (20) is sleeved on the outer surface of the sliding column (19), and two ends of the return spring (20) are respectively connected with the side wall of the fixed block (21) and the side wall of the filter screen plate (12).

3. The micro-positive pressure protective hood with the secondary filtering and air suction functions as claimed in claim 1, wherein a limiting cover (18) is fixedly connected to one end of the sliding column (19).

4. The micro-positive pressure protective hood with the secondary filtering and air suction functions as claimed in claim 1, wherein a sterilizing lamp (10) is fixedly connected to the upper inner wall of the filter box (7).

5. The micro-positive pressure protective hood with the secondary filtering and air suction functions as claimed in claim 1, wherein the upper surface of the mounting block (15) is fixedly connected with an inclined plate, and the lower inner wall of the filter box (7) is fixedly connected with a collection box (14).

6. The micro-positive pressure protective hood with the secondary filtering and air suction functions according to claim 1, wherein goggles (2) are fixedly mounted on the front end face of the hood body (1), and anti-collision strips (9) are fixedly connected to corners of the filter box (7).