CN111657593B

CN111657593B - Adjustable protective facial mask

Info

Publication number: CN111657593B
Application number: CN202010582418.3A
Authority: CN
Inventors: 韩立涛; 韩涵; 段书霞; 佘开江; 殷苏明; 付迎坤; 韩修恒; 韩伟鹤; 潘洪福; 林建香; 段晓堂; 赵欣; 王蓉; 范頔; 闫钧; 高文静; 张丹丹; 陈玮雯; 柳小军; 田林奇
Original assignee: Henan Yadu Industrial Co Ltd
Current assignee: Henan Yadu Industrial Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2022-02-15
Anticipated expiration: 2040-06-23
Also published as: CN111657593A

Abstract

The invention relates to an adjustable protective mask, which effectively solves the problems that the protective mask is poor in protective effect when being too thin, users in high-risk places have great potential safety hazards, and the adjustable protective mask influences air permeability when being too thick and is inconvenient to use in common places; the technical scheme includes that the device comprises a main shell, the front end of the main shell is communicated with a cavity, a first object placing barrel is fixed at the left end of the cavity, a second object placing barrel is fixed at the right end of the cavity, rotating shafts are rotatably matched in the first object placing barrel and the second object placing barrel, a first winding barrel is arranged in the first object placing barrel, a second winding barrel is arranged in the second object placing barrel, a piece of batching cloth is wound on the outer side of the first winding barrel, the other end of the batching cloth is fixed with the outer side of the second winding barrel, a stand column is fixed in the cavity, a moving column is arranged at the front end of the stand column, the moving column is in sliding fit with the cavity in the left-right direction, the batching cloth is wound around the stand column and the moving column, and is wound in an S-shaped arrangement, and when the moving column moves, the part of the batching cloth in the cavity is changed into three layers; the invention has strong practicability and good protection effect, and can be adjusted according to the use condition.

Description

Adjustable protective facial mask

Technical Field

The invention relates to the technical field of medical masks, in particular to an adjustable protective mask.

Background

The mask is a tool which is worn at the mouth and nose part to filter air entering and exiting from the mouth and nose so as to prevent harmful gas, smell and spray from entering and exiting from the mouth and nose of a wearer, is mostly made of gauze or paper and the like, has a certain filtering effect on air entering the lung, and has a very good effect when the mask is worn in respiratory infectious diseases and works in environments polluted by dust and the like.

In infectious diseases, especially virulent infectious diseases, such as SARS, coronavirus, highly pathogenic avian influenza, avian influenza infection H7N9, Ebola hemorrhagic fever, respiratory syndrome in the middle east and the like, of people, respiratory droplets, body fluids and the like contacting patients are easy to infect, so that a protective mask is often adopted in the prior art for protection to avoid infection.

The outermost layer of the existing protective mask, such as a medical mask, is made of non-functional non-woven fabric (i.e. common non-woven fabric), the barrier property of the mask is acted by the middle melt-blown fabric barrier layer, the barrier property is improved mainly by enhancing the density or thickness of the melt-blown fabric barrier layer, but the air permeability is affected, so that the protective mask has the following disadvantages:

1. the existing protective mask is poor in protective effect when being too thin, users in high-risk places have great potential safety hazards, breathability is affected when being too thick, and the protective mask is not convenient to use in common places.

2. The existing protective mask needs to be replaced frequently, resources are wasted, replacement is inconvenient, and a user needs to prepare a spare mask.

3. The existing protective mask can not be discharged outwards because the water vapor stays in a concentrated way due to the sealing property in summer, and the water vapor brings discomfort to a user and damages the facial skin of the user.

4. When the existing protective mask is used in dry air in winter, water vapor in the air is blocked, so that the condition that a user breathes dry is caused.

In order to solve the above problems, an adjustable protective mask is important.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the adjustable protective mask, which effectively solves the problems that the protective effect is poor when the conventional protective mask is too thin, a user in a high-risk place has great potential safety hazard, the ventilation property is influenced when the conventional protective mask is too thick, the conventional protective mask is inconvenient to use in a common place, the conventional protective mask needs to be frequently replaced, resources are wasted, the conventional protective mask is inconvenient to replace, and the user needs to prepare a spare mask.

The mask comprises a main shell of the mask and is characterized in that the front end of the main shell is connected with a cavity which penetrates through the main shell from front to back and is communicated with the main shell, a first object placing barrel is fixed at the left end of the cavity, a second object placing barrel is fixed at the right end of the cavity, and the first object placing barrel and the second object placing barrel are both communicated with the cavity;

first put a thing section of thick bamboo and the second and put equal normal running fit in the thing section of thick bamboo and be provided with the pivot, the first pivot outside activity of putting the thing section of thick bamboo inside is provided with first reel, the second is put the pivot outside activity of thing section of thick bamboo inside and is provided with the second reel, first reel outside is rolled up there is the batching, the other end and the second reel outside fixed connection of batching, the cavity is inside to be provided with the stand along the vertical direction is fixed, the stand front end is provided with along vertical direction and removes the post, it sets up with cavity along controlling direction sliding fit to remove the post, the batching is walked around stand and removal post, and the winding is "S" shape setting, makes when removing the post and removing, can make the batching arrange the inside part transform of cavity in the three-layer.

Preferably, a moving block is fixed at the lower end of the moving column, a slideway in sliding fit with the moving block is formed in the cavity in the left-right direction, a lead screw is arranged in the slideway in rotating fit in the left-right direction, and the lead screw is in threaded fit with the moving block, so that the moving block moves in the left-right direction when the lead screw rotates.

Preferably, the inside first box body that is provided with inside cavity and sets up of main casing body, first opening has been seted up to the front end on first box body upper portion, first opening front end is provided with the first apron that can seal first opening, first apron sets up along the vertical direction sliding fit of first box body, the desiccant has been deposited to first box body inside.

Preferably, the inside second box body that is provided with inside cavity and sets up of main casing body, the second opening has been seted up to the front end on second box body upper portion, second opening front end is provided with can seal second open-ended second apron, the second apron sets up along the vertical direction sliding fit of second box body, the inside water that has deposited of second box body.

Preferably, the upper end and the lower extreme of first box body and second box body all are connected with the pipeline that accesss to the main casing body outside, the both sides tip of pipeline all is provided with the activity and seals, bottom in first box body and the second box body all sets up to the slope form in the middle of the orientation.

Preferably, a first bevel gear is coaxially fixed on the screw rod, a second bevel gear which is arranged in a rotating fit with the cavity is meshed with the first bevel gear, a first belt pulley is coaxially fixed on the second bevel gear, a second belt pulley is arranged in the cavity in a rotating fit along the vertical direction, and the first belt pulley and the second belt pulley are in transmission connection through a belt;

the lower end of the second belt pulley is connected with a first rotating handle arranged outside the lower end of the cavity through a transmission shaft.

Preferably, the inside normal running fit of cavity is provided with two lines wheels, two the line wheel outside all twines fixedly and is provided with the cotton rope, two the cotton rope runs through the main casing body respectively with first apron and second apron fixed connection, first box body and second box body lower extreme all are fixed with the spring board, two the spring board respectively with first apron and second apron through reset spring fixed connection.

Preferably, two equal coaxial two first helical gears that are fixed with the difference in height in line wheel upper end, transmission shaft and second pulley set up along vertical direction sliding fit, second pulley and first handle are via first spring fixed connection, the coaxial second helical gear that is fixed with in transmission shaft upper end makes when the transmission shaft moves along vertical direction, the second helical gear can mesh with two first helical gears respectively.

Preferably, the upper ends of the first object placing barrel, the second object placing barrel and the cavity are provided with movable cover plates, and sealing layers are arranged among the movable cover plates, the first object placing barrel, the second object placing barrel and the cavity;

the movable cover plate is provided with a screw rod in a threaded fit mode in the vertical direction, a second rotating handle is coaxially fixed at the upper end of the screw rod, a friction disc arranged in the cavity is coaxially fixed at the lower end of the screw rod, and the lower end of the friction disc is in contact with the upper end of the transmission shaft, so that the movable cover plate can abut against the transmission shaft to move in the vertical direction when the screw rod rotates.

Preferably, the front end of the cavity is fixed with a detachable dustproof filter screen, the rotating shaft is square, the sleeving positions of the first winding drum and the second winding drum are both set to be in a shape corresponding to the rotating shaft, and a third rotating handle arranged outside the second winding drum is coaxially fixed at the lower end of the rotating shaft inside the second winding drum.

The invention has the advantages of ingenious structure, strong practicability and the following advantages:

(1) this device can freely adjust the number of piles thickness of protection batching for when ordinary place (for example have the community of infectious source, during body-building is run), adjust to ordinary thickness, avoid the gas permeability not to influence the user well and use, make when high-risk place (for example have the parcel of infectious source, when the hospital is hospitalized), adjust to the three-layer thickness, very big increase the protectiveness of device, provide the safety guarantee for the user.

(2) This device has avoided the drawback that traditional gauze mask needs periodic replacement, continues to rotate first reel and reel, can change the batching that uses, has reduced resource usages such as ear area in traditional gauze mask, has avoided the inconvenience of changing.

(3) This device can be adjusted according to service environment or season, and when sealed sweat in summer, the drier of depositing in through first box body carries out drying and dehumidification, avoids user's discomfort, avoids the dry condition of user's breathing through the inside water of second box body when air drying in winter.

Drawings

Fig. 1 is a perspective view of the present invention.

FIG. 2 is a schematic front view of the present invention.

FIG. 3 is a schematic sectional view showing a state in which the roll cloth of the present invention is used in one layer.

FIG. 4 is a schematic sectional view showing a state in which the roll cloth of the present invention is used in a multi-layer state.

FIG. 5 is an enlarged view of the point A in FIG. 3 according to the present invention.

FIG. 6 is an enlarged view of the point A in FIG. 4 according to the present invention.

Fig. 7 is a perspective view of the dust screen of the present invention after removal.

FIG. 8 is a schematic cross-sectional view of the first and second storage tubes of the present invention.

FIG. 9 is a schematic cross-sectional view of the fit relationship of the transmission shaft of the present invention.

FIG. 10 is a cross-sectional view of the screw assembly of the present invention.

FIG. 11 is an enlarged view of FIG. 10 at C.

FIG. 12 is an enlarged view of FIG. 10 at D according to the present invention.

Fig. 13 is a front view of the first case and the second case inside the main housing according to the present invention.

Fig. 14 is a perspective view illustrating a transmission relationship at a propeller shaft of the present invention.

Fig. 15 is a schematic cross-sectional view of the first case and the second case inside the main housing according to the present invention.

FIG. 16 is an enlarged view of FIG. 9 at E.

Reference numerals: 1. a main housing; 2. a cavity; 3. a first article holding cylinder; 4. a second article holding cylinder; 5. a rotating shaft; 6. a first reel; 7. a second reel; 8. Rolling cloth; 9. a column; 10. moving the column; 11. a moving block; 12. a slideway; 13. A lead screw; 14. a first case; 15. a first opening; 16. a first cover plate; 17. a second box body; 18. a second opening; 19. a second cover plate; 20. a pipeline; 21. movably sealing; 22. a first bevel gear; 23. a second bevel gear; 24. a first pulley; 25. a second pulley; 26. a belt; 27. A drive shaft; 28. a first stem; 28-1, a first spring; 29. a wire wheel; 30. a cord; 31. a spring plate; 32. a return spring; 33. a first helical gear; 34. a second helical gear; 35. a removable cover plate; 36. A screw; 37. a second stem; 38. a friction disk; 39. a dustproof filter screen; 40. and a third rotating handle.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 16. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The invention relates to an adjustable protective mask, which is shown in a figure 1 and a figure 3 and comprises a main shell 1 of the mask, wherein fixing lugs are fixedly arranged on two sides of the outer part of the main shell 1, the effect of fixing the main shell 1 on the face of a patient is realized by penetrating an elastic bandage into the fixing lugs, the front end of the main shell 1 is connected with a cavity 2 which is communicated with the main shell 1 in a front-back penetrating manner, when a user uses the adjustable protective mask, air enters the main shell 1 through the cavity 2, so that the interior of the cavity 2 needs to be blocked from germs in the air, a first object placing barrel 3 is fixed at the left end of the cavity 2, a second object placing barrel 4 is fixed at the right end of the cavity 2, and the first object placing barrel 3 and the second object placing barrel 4 are both communicated with the cavity 2;

the first object placing barrel 3 and the second object placing barrel 4 are both provided with a rotating shaft 5 in a rotating matching manner, the first object placing barrel 3 is provided with a first reel 6 in the rotating shaft outside in a movable manner, the second object placing barrel 4 is provided with a second reel 7 in the rotating shaft outside in a movable manner, the first reel 6 and the second reel 7 are sleeved on the rotating shaft 5, when the rotating shaft 5 is rotated, the first reel 6 and the second reel 7 are driven to rotate under the action of friction force, the first reel 6 is wound with a piece of cloth 8, the piece of cloth 8 is formed by melt-blown cloth and non-woven cloth, wherein the outer layer and the inner layer are both made of non-woven cloth, the middle layer is made of melt-blown cloth, a good separation effect can be achieved, the use of the mask belt is reduced, the resource waste is reduced, the other end of the piece of cloth 8 is fixedly connected with the outer side of the second reel 7, when in use, only the rotating shaft in the second reel 7 needs to be rotated, can twine pulling batching 8, the batching 8 in the 6 outsides of first reel can be put the cloth this moment, has finally realized the change of the inside batching 8 of cavity 2, and old batching 8 gets into the second and puts the thing section of thick bamboo 4 inside, and the inside new batching 8 of first reel 6 gets into inside cavity 2, 2 insidely are provided with stand 9 along the vertical direction is fixed, stand 9 front ends are provided with along vertical direction and move post 10, it sets up with cavity 2 along controlling direction sliding fit to move post 10, batching 8 is around stand 9 and removal post 10, and the winding is "S" shape setting, makes when removing post 10 and removing, can make batching 8 arrange the inside part transform of cavity 2 in into the three-layer.

When the embodiment is used specifically, two use modes are provided:

when the user is in ordinary place (for example, the community of no infection source, when the body-building is run), for ordinary thickness, please refer to fig. 3 and fig. 5 this moment, 8 individual layers of batching this moment, avoid the gas permeability not good to influence the user and use, after the user uses for a long time, need change batching 8, only need rotate the inside pivot of second reel 7, can twine pulling batching 8, the batching 8 in the 6 outsides of first reel can be put the cloth this moment, the change of the inside batching 8 of cavity 2 has finally been realized, old batching 8 gets into the second and puts inside the thing section of thick bamboo 4, the inside new batching 8 of first reel 6 gets into inside cavity 2.

When the user is in a high-risk place (for example, a district with an infection source, when a hospital is hospitalized), the protection performance and the thickness are required to be adjusted, at this time, referring to fig. 4 and 6, the thickness is adjusted to be three layers, the protection performance of the device is greatly increased, and the safety guarantee is provided for the user, and the specific adjustment mode is as follows: remove and remove post 10, make removal post 10 change the state of fig. 6 into by the state of fig. 5, can make batching 8 arrange the inside part transform of cavity 2 into the three-layer, after the long-time use of user, need change batching 8, only need rotate the inside pivot of second reel 7, can twine pulling batching 8, the batching 8 in the 6 outsides of first reel can be put cloth this moment, finally realized the inside change of batching 8 of cavity 2, old batching 8 gets into inside the second puts thing section of thick bamboo 4, the inside new batching 8 of first reel 6 gets into inside cavity 2.

In the second embodiment, on the basis of the first embodiment, in order to make the use of the moving column 10 more convenient, please refer to fig. 5, 10 and 12, a moving block 11 is fixed at the lower end of the moving column 10, a slideway 12 in sliding fit with the moving block 11 is formed in the cavity 2 along the left-right direction, a lead screw 13 is rotatably fitted in the slideway 12 along the left-right direction, and the lead screw 13 is in threaded fit with the moving block 11, so that when the lead screw 13 rotates, the moving block 11 moves along the left-right direction.

This embodiment is when specifically using, when the user is in the high-risk place (for example have the parcel of infectious source, hospital when seeking medical advice), need adjust barrier propterty, adjusts thickness, adjusts this moment to the three-layer thickness, and very big increase the protectiveness of device provides the safety guarantee for the user, and specific regulation mode is: rotate lead screw 13, under screw-thread fit's effect, make movable block 11 remove along left right direction, drive movable post 10 synchronous completion when movable block 11 removes and remove, make movable post 10 change the state of fig. 6 into by the state of fig. 5, can drive batching 8 synchronous completion when removing post 10 and remove, it should conflict batching 8 to the inner wall of contact cavity 2 when here should notice removing post 10 and removing, avoid appearing the space and cause the phenomenon that the separation effect is not good, can make batching 8 place the partial conversion of cavity 2 inside at this moment into the three-layer, as shown in fig. 6.

In a third embodiment, on the basis of the second embodiment, in summer, the existing protective mask cannot be discharged outwards due to the concentrated retention of water vapor caused by the sealing property, and the water vapor brings discomfort to the user and damages the facial skin of the user, in order to solve the drawback, please refer to fig. 13 and 15, a first box 14 with a hollow interior is disposed inside the main housing 1, a first opening 15 is disposed at the front end of the upper portion of the first box 14, a first cover plate 16 capable of closing the first opening 15 is disposed at the front end of the first opening 15, the first cover plate 16 is disposed in a sliding fit manner along the vertical direction of the first box 14, and a desiccant is stored inside the first box 14.

When the embodiment is used specifically, adjustment is performed according to the use environment or seasons, when sweat is generated in summer in a sealed mode, the first cover plate 16 is opened, the first opening 15 is opened, the drying agent stored in the first box body 14 at the moment is dried and dehumidified, discomfort of a user is avoided, and finally water vapor generated when the user breathes is removed by the drying agent, so that influence on the user is avoided.

Fourth embodiment, on the basis of the third embodiment, a second box 17 with a hollow interior is arranged inside the main housing 1, a second opening 18 is formed in the front end of the upper portion of the second box 17, a second cover plate 19 capable of closing the second opening 18 is arranged at the front end of the second opening 18, the second cover plate 19 is arranged in a sliding fit manner along the vertical direction of the second box 17, and water is stored inside the second box 17.

This embodiment is when specifically using, adjusts according to service environment or season, and when winter air drying, through opening second apron 19 for second opening 18 is opened, and the water of depositing in the second box body 17 at this moment provides moist air, avoids user's discomfort, finally makes the user breathe moist air when breathing, avoids the respiratory tract dry.

In the fifth embodiment, on the basis of the fourth embodiment, in order to facilitate the replacement of the desiccant and the water inside the first box 14 and the second box 17, please refer to fig. 15, the upper end and the lower end of the first box 14 and the second box 17 are both connected with a pipe 20 leading to the outside of the main housing 1, both side ends of the pipe 20 are provided with a movable seal 21, the bottoms inside the first box 14 and the second box 17 are both arranged in an inclined shape facing the middle, and the inclined shape is arranged to prevent the ineffective desiccant or water from being discharged effectively.

When this embodiment is specifically used, when the drier and the water inside the first box 14 and the second box 17 need to be filled or changed, only the movable seal 21 at the lower end needs to be opened, the movable seal 21 at this position can be set to a wooden plug, the opening and closing are convenient, the movable seal 21 at the lower end is opened to discharge the waste materials inside, then the movable seal 21 at the lower end is closed, the movable seal 21 at the upper end is opened at this moment, and then the drier or the water is filled inside the first box 14 and the second box 17.

Sixth embodiment, on the basis of the fifth embodiment, in order to facilitate the movement of the moving column 10, the lead screw 13 is coaxially fixed with a first bevel gear 22, the first bevel gear 22 is engaged with a second bevel gear 23 which is rotatably fitted with the cavity 2, the second bevel gear 23 is coaxially fixed with a first belt pulley 24, the cavity 2 is rotatably fitted with a second belt pulley 25 in the vertical direction, and the first belt pulley 24 and the second belt pulley 25 are in transmission connection via a belt 26;

the lower end of the second belt pulley 25 is connected with a first rotating handle 28 arranged outside the lower end of the cavity 2 through a transmission shaft 27.

This embodiment is when specifically using, when the user is in the high-risk place (for example have the parcel of infectious source, hospital when seeking medical advice), need adjust barrier propterty, adjusts thickness, adjusts this moment to the three-layer thickness, and very big increase the protectiveness of device provides the safety guarantee for the user, and specific regulation mode is: the user rotates the first rotating handle 28, when the first rotating handle 28 rotates, the second belt pulley 25 with the coaxially fixed upper end is driven to rotate, when the second belt pulley 25 rotates, the first belt pulley 24 is driven to rotate through the transmission of the belt 26, when the first belt pulley 24 rotates, the second bevel gear 23 with the coaxially fixed upper end is driven to rotate, when the second bevel gear 23 rotates, the first bevel gear 22 with the meshing is driven to rotate, when the first bevel gear 22 rotates, the lead screw 13 with the coaxially fixed upper end is driven to rotate, when the lead screw 13 rotates, the moving block 11 moves in the left-right direction under the effect of the thread fit, the moving block 11 moves and simultaneously drives the moving post 10 to synchronously complete the movement, so that the moving post 10 is changed from the state of fig. 5 to the state of fig. 6, when the moving post 10 moves, the cloth 8 can be driven to synchronously complete the movement, and it should be noted that when the moving post 10 moves, the cloth 8 should be abutted against the inner wall of the contact cavity 2, the phenomenon that the blocking effect is not good due to gaps is avoided, and at the moment, the part of the roll cloth 8, which is arranged inside the cavity 2, can be changed into three layers, as shown in fig. 6.

Seventh embodiment, on the basis of the sixth embodiment, in order to better control the opening of the first cover plate 16 and the second cover plate 19, please refer to fig. 14, two wire wheels 29 are rotatably and cooperatively arranged inside the cavity 2, a wire rope 30 is fixedly wound outside each of the two wire wheels 29, the two wire ropes 30 penetrate through the main casing 1 and are respectively and fixedly connected with the first cover plate 16 and the second cover plate 19, spring plates 31 are fixed at the lower ends of the first casing 14 and the second casing 17, and the two spring plates 31 are respectively and fixedly connected with the first cover plate 16 and the second cover plate 19 through return springs 32.

When the embodiment is used specifically, adjustment is performed according to the use environment or seasons, when sweat is sealed in summer, the corresponding wire wheel 29 is rotated, the wire wheel 29 winds the wire rope 30, when the wire rope 30 is wound, the first cover plate 16 is pulled, the first cover plate 16 moves towards the lower end, the first cover plate 16 is opened, the first opening 15 is opened, the drying agent stored in the first box body 14 at the moment is dried and dehumidified, discomfort of a user is avoided, and finally, water vapor generated when the user breathes is removed by the drying agent, so that influence on the user is avoided.

When air drying in winter, through rotating corresponding line wheel 29, line wheel 29 twines cotton rope 30, when cotton rope 30 was twined, pulling second apron 19, second apron 19 moves towards the lower extreme, opens second apron 19 for second opening 18 is opened, and the water of depositing in the second box body 17 at this moment provides moist air, avoids user's discomfort, can breathe moist air when finally making the user breathe, avoids the respiratory tract dry.

The return spring 32 has a return function, and the friction force between the rotating shaft of the reel 29 and the cavity 2 should be large enough to enable a user to rotate, but can overcome the restoring force of the return spring 32, that is, when the return spring 32 is stretched, the rotating shaft of the reel 29 cannot be driven to rotate.

In an eighth embodiment, on the basis of the seventh embodiment, because the air permeability is not good when the state is switched to the three-layer state, when the first rotating handle 28 is rotated, the sealing drying and the breathing drying in summer and the sealing drying in winter are aggravated, in order to solve the problem, in order to better rotate the two pulley wheels 29, please refer to fig. 14 and 16, two first helical gears 33 with different heights are coaxially fixed at the upper ends of the two pulley wheels 29, the transmission shaft 27 and the second pulley 25 are arranged in a sliding fit manner along the vertical direction, the second pulley 25 and the first rotating handle 28 are fixedly connected through a first spring 28-1, a second helical gear 34 is coaxially fixed at the upper end of the transmission shaft 27, so that when the transmission shaft 27 moves along the vertical direction, the second helical gear 34 can be respectively engaged with the two first helical gears 33, and is arranged as a helical gear, the phenomenon of tooth collision is avoided, and the device is inconvenient to use.

The embodiment is adjusted according to the use environment or season when in specific use, and when sweating is sealed in summer, the transmission shaft 27 is moved in the vertical direction so that the second bevel gears 34 engage with the corresponding first bevel gears 33, at which time the first rotation shaft 28 is rotated, the second bevel gear 34 is meshed with the corresponding first bevel gear 33 to drive the corresponding first bevel gear 33 to rotate, when the first bevel gear 33 rotates, the corresponding wire wheel 29 is driven to rotate, the wire wheel 29 winds the wire 30, as the cord 30 is wound, the first closure 16 is pulled, the first closure 16 moves toward the lower end, opening the first closure 16, the first opening 15 is opened, and the desiccant stored in the first box 14 is dried and dehumidified, so that discomfort of a user is avoided, and finally, water vapor generated during breathing of the user is removed by the desiccant, and the influence on the user is avoided.

When air is dry in winter, the transmission shaft 27 is moved in the vertical direction, so that the second helical gears 34 are meshed with the corresponding first helical gears 33, the first rotating handle 28 is rotated at the moment, the corresponding first helical gears 33 are driven to rotate through the meshing of the second helical gears 34 and the corresponding first helical gears 33, the corresponding wire wheels 29 are driven to rotate when the first helical gears 33 rotate, the wire wheels 29 wind the wire ropes 30, when the wire ropes 30 are wound, the second cover plate 19 is pulled, the second cover plate 19 moves towards the lower end, the second cover plate 19 is opened, the second opening 18 is opened, the water stored in the second box body 17 at the moment provides humid air, discomfort of a user is avoided, and finally, the user can breathe the humid air when breathing, and respiratory tract dryness is avoided.

In the ninth embodiment, on the basis of the eighth embodiment, in order to facilitate replacement of the rolled cloth 8 inside the first article holding cylinder 3 and the second article holding cylinder 4 after use, please refer to fig. 1, a movable cover plate 35 is arranged at the upper ends of the first article holding cylinder 3, the second article holding cylinder 4 and the cavity 2, and sealing layers are arranged between the movable cover plate 35 and the first article holding cylinder 3, the second article holding cylinder 4 and the cavity 2;

the movable cover plate 35 is provided with a screw rod 36 in a threaded fit manner along the vertical direction, a second rotating handle 37 is coaxially fixed at the upper end of the screw rod 36, a friction disc 38 arranged in the cavity 2 is coaxially fixed at the lower end of the screw rod 36, and the lower end of the friction disc 38 is in contact with the upper end of the transmission shaft 27, so that the screw rod 36 can abut against the transmission shaft 27 to move along the vertical direction when rotating.

This embodiment is when specifically using, when first put a thing section of thick bamboo 3, the second put the inside batching 8 of a thing section of thick bamboo 4 and use the back and change, only need open removable cover 35 and change, when the position of the vertical direction of transmission shaft 27 needs to be adjusted, only need rotate second turning handle 37, screw rod 36 this moment can remove along vertical direction under screw-thread fit's reason, conflict transmission shaft 27 then and remove the height of adjusting second helical gear 34 along vertical direction, the first spring 28-1 of here has played the effect of supplementary regulation.

Tenth embodiment, on the basis of first embodiment, for the use of avoiding dust in the air to influence the device, please refer to fig. 1, cavity 2 front end is fixed with detachable dustproof filter screen 39, and dustproof filter screen 39 filters the impurity in the air, skids when avoiding rotating pivot 5, influences the change of batching 8, pivot 5 sets up to the square, first reel 6 and second reel 7 cover are established the department and are all set up to the shape that corresponds with pivot 5, for making better rotation pivot 5, please refer to fig. 10, the inside pivot lower extreme of second reel 7 is coaxial to be fixed with places in the outside third twist grip 40 of second reel 7.

When the invention is used specifically, when a user is in a common place (for example, a community without infection source, body building and running), the thickness is common, please refer to fig. 3 and fig. 5, at this time, the 8-bit single layer of the rolled cloth can avoid the influence of bad air permeability on the use of the user, after the user uses the device for a long time, the rolled cloth 8 needs to be replaced, the rolled cloth 8 can be wound and pulled only by rotating the rotating shaft inside the second winding drum 7, at this time, the rolled cloth 8 outside the first winding drum 6 can be released, the replacement of the rolled cloth 8 inside the cavity 2 is finally realized, the old rolled cloth 8 enters the second storage drum 4, and the new rolled cloth 8 inside the first winding drum 6 enters the cavity 2.

After the user uses for a long time, need change batching 8, only need rotate the inside pivot of second reel 7, can twine pulling batching 8, the batching 8 in the 6 outsides of first reel can be put the cloth this moment, has finally realized the change of the inside batching 8 of cavity 2, and old batching 8 gets into the second and puts a thing section of thick bamboo 4 inside, and 6 inside new batching 8 of first reel get into cavity 2 inside.

When the position of the transmission shaft 27 in the vertical direction needs to be adjusted, only the second rotating handle 37 needs to be rotated, and the screw 36 at this time moves in the vertical direction due to the thread fit, and then pushes against the transmission shaft 27 to move in the vertical direction to adjust the height of the second bevel gear 34, and the first spring 28-1 plays a role in auxiliary adjustment.

Adjusting according to the using environment or seasons, when sweat is generated in summer in a sealed mode, the transmission shaft 27 is moved in the vertical direction, the second bevel gear 34 is meshed with the corresponding first bevel gear 33, the first rotating handle 28 is rotated at the moment, the corresponding first bevel gear 33 is driven to rotate through the meshing of the second bevel gear 34 and the corresponding first bevel gear 33, the corresponding wire wheel 29 is driven to rotate when the first bevel gear 33 rotates, the wire wheel 29 is wound on the wire rope 30, when the wire rope 30 is wound, the first cover plate 16 is pulled, the first cover plate 16 moves towards the lower end, the first cover plate 16 is opened, the first opening 15 is opened, the drying agent stored in the first box body 14 at the moment is dried and dehumidified, discomfort of a user is avoided, and finally, water vapor generated when the user breathes is removed by the drying agent, and influence on the user is avoided.

When the drier and the water inside the first box body 14 and the second box body 17 need to be filled or replaced, only the lower end of the movable seal 21 needs to be opened, the movable seal 21 can be set to be a wooden plug, the opening and closing are convenient, the lower end of the movable seal 21 is opened to discharge the waste materials inside, then the lower end of the movable seal 21 is closed, the upper end of the movable seal 21 is opened at the moment, and then the drier or the water is filled inside the first box body 14 and the second box body 17.

Claims

1. An adjustable protective mask comprises a main shell (1) of a mask, and is characterized in that the front end of the main shell (1) is connected with a cavity (2) which penetrates through the main shell (1) from front to back, a first object containing barrel (3) is fixed at the left end of the cavity (2), a second object containing barrel (4) is fixed at the right end of the cavity (2), and the first object containing barrel (3) and the second object containing barrel (4) are both communicated with the cavity (2);

the first object placing barrel (3) and the second object placing barrel (4) are both provided with a rotating shaft (5) in a rotating matching manner, the outer side of the rotating shaft in the first object placing barrel (3) is movably provided with a first winding barrel (6), the outer side of the rotating shaft in the second object placing barrel (4) is movably provided with a second winding barrel (7), the outer side of the first winding barrel (6) is wound with a piece of rolling cloth (8), the other end of the rolling cloth (8) is fixedly connected with the outer side of the second winding barrel (7), the cavity (2) is fixedly provided with a vertical column (9) in the vertical direction, the front end of the vertical column (9) is provided with a moving column (10) in the vertical direction, the moving column (10) and the cavity (2) are arranged in a sliding matching manner in the left and right directions, the rolling cloth (8) bypasses the vertical column (9) and the moving column (10), and is wound in an S-shaped arrangement manner, so that when the moving column (10) moves, the part of the rolling cloth (8) arranged inside the cavity (2) can be changed into three layers;

a moving block (11) is fixed at the lower end of the moving column (10), a slideway (12) in sliding fit with the moving block (11) is formed in the cavity (2) along the left-right direction, a lead screw (13) is arranged on the slideway (12) in rotating fit along the left-right direction, and the lead screw (13) is in threaded fit with the moving block (11), so that when the lead screw (13) rotates, the moving block (11) moves along the left-right direction;

a first box body (14) with a hollow interior is arranged in the main shell (1), a first opening (15) is formed in the front end of the upper portion of the first box body (14), a first cover plate (16) capable of closing the first opening (15) is arranged at the front end of the first opening (15), the first cover plate (16) is arranged in a sliding fit mode along the vertical direction of the first box body (14), and a drying agent is stored in the first box body (14);

a second box body (17) with a hollow interior is arranged in the main shell (1), a second opening (18) is formed in the front end of the upper portion of the second box body (17), a second cover plate (19) capable of sealing the second opening (18) is arranged at the front end of the second opening (18), the second cover plate (19) is arranged in a sliding fit mode along the vertical direction of the second box body (17), and water is stored in the second box body (17);

the upper ends and the lower ends of the first box body (14) and the second box body (17) are respectively connected with a pipeline (20) leading to the outside of the main shell (1), the end parts of two sides of the pipeline (20) are respectively provided with a movable seal (21), and the bottoms in the first box body (14) and the second box body (17) are respectively arranged into an inclined shape facing the middle;

a first bevel gear (22) is coaxially fixed on the screw rod (13), a second bevel gear (23) which is arranged in a rotating fit with the cavity (2) is meshed with the first bevel gear (22), a first belt pulley (24) is coaxially fixed on the second bevel gear (23), a second belt pulley (25) is arranged in the cavity (2) in a rotating fit along the vertical direction, and the first belt pulley (24) and the second belt pulley (25) are in transmission connection through a belt (26);

the lower end of the second belt pulley (25) is connected with a first rotating handle (28) arranged outside the lower end of the cavity (2) through a transmission shaft (27).

2. The adjustable protective mask according to claim 1, wherein two wire wheels (29) are rotatably arranged in the cavity (2), a wire rope (30) is fixedly wound on the outer sides of the two wire wheels (29), the two wire ropes (30) penetrate through the main shell (1) and are fixedly connected with the first cover plate (16) and the second cover plate (19) respectively, the lower ends of the first box body (14) and the second box body (17) are fixedly provided with spring plates (31), and the two spring plates (31) are fixedly connected with the first cover plate (16) and the second cover plate (19) respectively through a return spring (32).

3. The adjustable protective mask according to claim 2, wherein two first bevel gears (33) with different heights are coaxially fixed at the upper ends of the two wire wheels (29), the transmission shaft (27) and the second pulley (25) are arranged in a sliding fit manner along the vertical direction, the second pulley (25) and the first rotating handle (28) are fixedly connected through a first spring (28-1), and a second bevel gear (34) is coaxially fixed at the upper end of the transmission shaft (27), so that when the transmission shaft (27) moves along the vertical direction, the second bevel gear (34) can be respectively meshed with the two first bevel gears (33).

4. The adjustable protective mask according to claim 3, wherein a movable cover plate (35) is arranged at the upper ends of the first object holding cylinder (3), the second object holding cylinder (4) and the cavity (2), and sealing layers are arranged among the movable cover plate (35), the first object holding cylinder (3), the second object holding cylinder (4) and the cavity (2);

the movable cover plate (35) is provided with a screw rod (36) in a threaded fit mode in the vertical direction, a second rotating handle (37) is coaxially fixed at the upper end of the screw rod (36), a friction disc (38) arranged in the cavity (2) is coaxially fixed at the lower end of the screw rod (36), and the lower end of the friction disc (38) is in contact with the upper end of the transmission shaft (27), so that the screw rod (36) can abut against the transmission shaft (27) to move in the vertical direction when rotating.

5. The adjustable protective mask according to claim 1, wherein a detachable dustproof filter screen (39) is fixed at the front end of the cavity (2), the rotating shaft (5) is square, the sleeving positions of the first winding drum (6) and the second winding drum (7) are both in a shape corresponding to the rotating shaft (5), and a third rotating handle (40) arranged outside the second winding drum (7) is coaxially fixed at the lower end of the rotating shaft in the second winding drum (7).