CN215961855U

CN215961855U - Protective hood

Info

Publication number: CN215961855U
Application number: CN202121711934.8U
Authority: CN
Inventors: 梁会亮; 李振; 卞宪明
Original assignee: Shandong Luhua Longxin Biotechnology Co ltd
Current assignee: Shandong Luhua Longxin Biotechnology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-08
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a protective hood which comprises a hood body, wherein a protective skirt is fixedly connected to the lower end edge of the hood body, an outer ring is fixedly connected to the outer surface of the hood body, a main body groove is formed in the outer ring, the rear end of the outer ring is communicated with a storage box, a partition plate is fixedly connected to the inner wall of the rear end of the storage box and the inner wall of the outer ring, a transmission channel is formed among the outer ring, the storage box and the partition plate, limiting grooves communicated with the main body groove are formed in the upper inner wall and the lower inner wall of the outer ring, the cross section of each limiting groove is circular, and two rotating shafts are symmetrically and rotatably connected to the inner wall of the storage box relative to the partition plate. The mask is released from a new mask or wound around an old mask by the aid of the two winding drums, mask materials do not need to be cut, working pressure of mask manufacturers is reduced, the mask can be replaced by rotating and pressing in the process of using the mask, waste of the mask is avoided, and mask replacement is simple.

Description

Protective hood

Technical Field

The utility model relates to the technical field of infectious disease protection tools, in particular to a protective hood.

Background

The transmission routes of the new coronavirus pneumonia are mainly direct transmission, aerosol transmission and contact transmission, and the transmission is carried out by inhaling or contacting the droplets with eyes, mouths and noses of the head. The existing protective tools aiming at the droplets mainly comprise a mask, an eye patch and a head cover, and the head cover is undoubtedly the most comprehensive protective tool. The existing protective head cover is a disposable tool and cannot be reused, and the number of the protective head cover cannot meet the protective requirements of huge population, so that more people are exposed to danger.

To this end, we propose a protective hood to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is intended to provide a protective hood that can be reused.

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

a protective head cover comprises a head cover, a protective skirt is fixedly connected to the lower end edge of the head cover, an outer ring is fixedly connected to the outer surface of the head cover, a main body groove is formed in the outer ring, a storage box is communicated with the rear end of the outer ring, a partition plate is fixedly connected to the inner wall of the rear end of the storage box and the inner wall of the outer ring, a transmission channel is formed among the outer ring, the storage box and the partition plate, limiting grooves communicated with the main body groove are formed in the upper inner wall and the lower inner wall of the outer ring, the cross section of each limiting groove is circular, two rotating shafts are connected to the inner wall of the storage box in a symmetrical and rotating mode relative to the partition plate, a winding drum is fixedly sleeved on each rotating shaft, a mask and two empty belts are wound on the two winding drums together, the two empty belts are connected to the two ends of the mask respectively, one end, away from the mask, of each empty belt is fixedly connected with the winding drum, the mask is composed of a protective area and limiting strips connected to the upper end and the lower end of the protective area, the protective zone is located the main part inslot, spacing is located the spacing inslot, first gas port and second gas port have been seted up respectively to the front end of hood and outer loop, first gas port and second gas port form the mouth of breathing, and first gas port is the same with second gas port size and communicates each other, the front end of hood is provided with sealing device about the second gas port symmetry.

Preferably, the front end of the head cover is provided with an observation port, and the inner side of the head cover at the position corresponding to the observation port is fixedly connected with a mask.

Preferably, the vertical distance between the upper inner wall and the lower inner wall of the storage box is larger than the vertical distance between the upper limiting groove and the lower limiting groove.

Preferably, the longitudinal width of the first or second air opening is less than the longitudinal width of the containment zone.

Preferably, sealing device is including seting up the pressure mouth in the second gas port side, the hood is fixed with the fixed block of U type in the upper end of pressing the mouth, axial elastic connection has the compressing strip in the fixed block, and compresses tightly the strip and fix the rubber strip that constitutes in activity strip one side by activity strip and veneer, the width of rubber strip is greater than the width of pressing the mouth.

Preferably, the main body groove is rotatably connected with a scratch-proof wheel at a position close to the storage box and on the outer side of the mask.

Compared with the prior art, the utility model has the beneficial effects that:

1. the mask is released from a new mask or wound around an old mask by adopting the two winding drums, the mask material does not need to be cut, the working pressure of a mask manufacturer is reduced, the mask can be replaced by only rotating and pressing in the process of using the mask, the waste of the mask is avoided, and the mask replacement is simpler;

2. in the transmission process of the mask, the protection area is limited in the main body groove, and the limit strip is limited in the limit groove, so that the condition that the use of the mask is influenced due to the wrinkles is avoided.

Drawings

FIG. 1 is a schematic structural view of a protective head cover according to the present invention in a state where a hold-down strip is opened;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a partial top structural cross-sectional view of a protective headgear of the present invention;

FIG. 4 is a schematic view of the structure of the junction between the protective zone and the stop strip of the protective headgear of the present invention;

FIG. 5 is a structural sectional view of an outer ring section of a protective headgear of the present invention.

In the figure: the novel multifunctional mask comprises a mask body 1, a protective skirt 2, a mask body 3, a first air port 4, an outer ring 5, a second air port 6, a main body groove 7, a limiting groove 8, a storage box 9, a partition plate 10, a winding drum 11, a rotating shaft 12, a scratch-proof wheel 13, a protective area 14, a limiting strip 15, a pressing opening 16, a fixing block 17 and a pressing strip 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a protective head cover comprises a head cover 1, a protective skirt 2 is fixedly connected to the lower end edge of the head cover 1, an observation opening is arranged at the front end of the head cover 1, and a mesh cover 3 is fixedly connected to the inner side of the head cover 1 at the position corresponding to the observation opening to protect eyes of a human body.

The outer fixed surface of hood 1 is connected with outer loop 5, be equipped with main part groove 7 in the outer loop 5, the rear end intercommunication of outer loop 5 has storage box 9, the common fixedly connected with division board 10 of the rear end inner wall of storage box 9 and outer loop 5, form transmission channel between storage box 9 and the division board 10 jointly, spacing groove 8 with main part groove 7 intercommunication is all seted up to the upper and lower inner wall of outer loop 5, and spacing groove 8's cross-section is circular, the vertical separation distance of inner wall is greater than two upper and lower spacing groove 8's vertical separation distance about storage box 9, protection zone 14 and spacing strip 15 are before getting into storage box 9 interval, respectively at main part groove 7, the transmission in spacing groove 8, avoid the gauze mask to take place the fold in transmission process.

The inner wall of the storage box 9 is symmetrically and rotatably connected with two rotating shafts 12 about a partition plate 10, the upper ends of the rotating shafts 12 penetrate through the storage box 9, so that medical staff can rotate the winding drums 11, the winding drums 11 are fixedly sleeved on the rotating shafts 12, a mask and two blank belts are wound on the two winding drums 11 together, the two blank belts are connected to two ends of the mask respectively, one end, far away from the mask, of each blank belt is fixedly connected with the winding drum 11, the mask is composed of a protection area 14 and a limiting strip 15 connected to the upper end and the lower end of the protection area 14, the protection area 14 is located in the main body groove 7, and the limiting strip 15 is located in the limiting groove 8.

The main body groove 7 is connected with a scraping prevention wheel 13 in a position close to the storage box 9 and the outer side of the mask in a rotating mode, and the scraping prevention wheel 13 prevents the mask from rubbing and fluffing with the convex edges in the process of releasing or winding the mask.

First gas port 4 and second gas port 6 have been seted up respectively to the front end of hood 1 and outer ring 5, and first gas port 4 forms the mouth of breathing with second gas port 6, and first gas port 4 is the same with the intercommunication each other of second gas port 6 size, and the longitudinal width of first gas port 4 or second gas port 6 is less than the longitudinal width of protected area 14, ensures that protected area 14 is enough the mouth of breathing and uses.

The front end of hood 1 is provided with sealing device about second gas port 6 symmetry, sealing device is including seting up the mouth of pressing 16 at second gas port 6 side, hood 1 is fixed with the fixed block 17 of U type in the upper end of pressing the mouth 16, axial elastic connection has compressing strip 18 in the fixed block 17, the axial elastic connection of here can adopt the coil spring to realize, and compressing strip 18 comprises the movable strip and the rubber strip of veneer fixation in movable strip one side, the width of rubber strip is greater than the width of pressing the mouth 16, utilize the deformability of rubber strip to compress tightly the hood, fix the position of compressing strip 18.

The mask is a raw material which is not cut and can be made into a plurality of disposable protective masks and rolls after being cut, and the two ends of the mask are provided with the empty bands with thinner thickness so as to ensure that the mask can be completely used.

In the utility model, one of the rotating shafts 12 is rotated to drive the winding drums 11 to rotate so as to wind the protection area 14 used by the breathing opening, and the other winding drum 11 continuously releases the mask so that a new protection area 14 is positioned at the breathing opening, in the transmission process of the mask, the protection area 14 is transmitted in the main body groove 7, and the limiting strip 15 is transmitted in the limiting groove 8, so that the mask is regulated, and the mask is prevented from being randomly folded; after the position of the new protection zone 14 is determined, the pressing strip 18 is clamped in the pressing opening 16 under the self-recovery elastic force, then the pressing strip 18 is manually pressed to be more firmly fixed in the pressing opening 16, and referring to fig. 3, the rubber strip presses the mask to enable two sides of the protection zone 14 in the positioned breathing opening to be in sealing contact with the inner walls of the main body groove 7 and the limiting groove 8.

It should be noted that:

1. the pressing strip 18 is axially and elastically connected to the fixed block 17, and when a new protection area 14 needs to be replaced, the pressing strip 18 is pulled out from the pressing opening 16 and is blocked by an article to reset, and then the operation can be carried out;

2. the utility model is characterized in that a cover plate is detachably arranged at the rear end of a storage box 9, after the mask is used, the cover plate can be opened, the end part of an empty belt which is about to be separated from one reel 11 is connected with the end part of a new material (mask and empty belt) hollow belt, and the other reel 11 is rotated through a rotating shaft 12 to completely wind the empty belt in the used material, so that the traction effect on the new material hollow belt is achieved, and the method is approximately the same as the method for replacing the electric wire in the pipeline in the prior art.

As an improvement of the utility model: a warning line slightly larger than the width of the breathing opening can be marked on the front surface of the mask, so that medical staff can replace the new protective area 14 at the corresponding position of the breathing opening for use, and the phenomenon that the used protective area 14 and the new protective area 14 act on the breathing opening at the same time is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A protective hood, comprising a hood (1), characterized in that: the lower end edge of the head cover (1) is fixedly connected with a protective skirt (2), the outer surface of the head cover (1) is fixedly connected with an outer ring (5), a main body groove (7) is arranged in the outer ring (5), the rear end of the outer ring (5) is communicated with a storage box (9), the inner wall of the rear end of the storage box (9) and the inner wall of the outer ring (5) are fixedly connected with a partition plate (10) together, a transmission channel is formed between the outer ring (5), the storage box (9) and the partition plate (10) together, the upper inner wall and the lower inner wall of the outer ring (5) are both provided with a limiting groove (8) communicated with the main body groove (7), the cross section of the limiting groove (8) is circular, the inner wall of the storage box (9) is symmetrically and rotatably connected with two rotating shafts (12) relative to the partition plate (10), each rotating shaft (12) is fixedly sleeved with a winding drum (11), and one mask and two empty belts are wound together around the two winding drums (11), and two air belts are connected respectively at the both ends of a gauze mask, each the one end and reel (11) fixed connection that the gauze mask was kept away from to the air belt, the gauze mask comprises protection zone (14) and spacing (15) of connecting on protection zone (14) lower extreme, protection zone (14) are located main part groove (7), spacing (15) are located spacing groove (8), first gas port (4) and second gas port (6) have been seted up respectively to the front end of hood (1) and outer ring (5), first gas port (4) form the mouth of respiration with second gas port (6), and first gas port (4) and second gas port (6) the same size and communicate each other, the front end of hood (1) is provided with sealing device about second gas port (6) symmetry.

2. A protective hood as claimed in claim 1, wherein: the front end of the head cover (1) is provided with an observation port, and the inner side of the head cover (1) corresponding to the observation port is fixedly connected with a mask (3).

3. A protective hood as claimed in claim 1, wherein: the vertical distance between the upper inner wall and the lower inner wall of the storage box (9) is larger than the vertical distance between the upper limiting groove and the lower limiting groove (8).

4. A protective hood as claimed in claim 1, wherein: the longitudinal width of the first air port (4) or the second air port (6) is smaller than that of the protection zone (14).

5. A protective hood as claimed in claim 1, wherein: the sealing device comprises a pressing opening (16) formed in the side of the second air opening (6), a U-shaped fixing block (17) is fixed at the upper end of the pressing opening (16) of the hood (1), a pressing strip (18) is axially and elastically connected into the fixing block (17), the pressing strip (18) is formed by a movable strip and a rubber strip which is glued and fixed on one side of the movable strip, and the width of the rubber strip is larger than that of the pressing opening (16).

6. A protective hood as claimed in claim 1, wherein: the main body groove (7) is rotatably connected with a scraping-proof wheel (13) at the position close to the storage box (9) and at the outer side of the mask.