CN110419795B

CN110419795B - Multi-stage adjustable disposable mask

Info

Publication number: CN110419795B
Application number: CN201910792671.9A
Authority: CN
Inventors: 颜磊; 宋霄; 孔凡忠; 王佳男; 余丽君
Original assignee: Qufu Pharmaceutical Excipients Co ltd
Current assignee: Qufu Pharmaceutical Excipients Co ltd
Priority date: 2019-03-11
Filing date: 2019-08-26
Publication date: 2021-01-26
Anticipated expiration: 2039-08-26
Also published as: CN110419795A; JP2020147881A; JP6665358B1

Abstract

The invention discloses a multi-stage adjustable disposable mask, which comprises a first fixed block, wherein a second fixed block is fixedly arranged at the front end of the first fixed block, buckles are symmetrically arranged at the upper part, the lower part and the left part and the right part of the second fixed block, the disposable mask can be clamped in the buckles, and a first cavity penetrating through the first fixed block from top to bottom is arranged in the first fixed block; the multi-stage adjustable disposable mask is simple and clear to operate and sensitive in response; meanwhile, the device is simple and elegant, wide in applicable scene and strong in practicability.

Description

Multi-stage adjustable disposable mask

Technical Field

The invention relates to the field of protective articles, in particular to a multi-stage adjustable disposable mask.

Background

When the traditional disposable mask is used, the internal filter layer directly filters air, and because the area of the mask is large, moisture in the air is absorbed by a cotton layer in the mask, and the inhaled dry air is not beneficial to the gas circulation of the respiratory tract of a human body; in addition, the traditional disposable mask can not change the air inflow aiming at different people, and for children and old people, the reduction of a certain air inflow can change the air filtration efficiency to increase; therefore, it is necessary to design a disposable mask with multi-stage adjustment to solve the above problems.

Disclosure of Invention

The invention aims to provide a multi-stage adjustable disposable mask, which can solve the problems in the prior art.

The invention is realized by the following technical scheme: the invention relates to a multi-stage adjustable disposable mask, which comprises a first fixed block, wherein a second fixed block is fixedly arranged at the front end of the first fixed block, buckles are symmetrically arranged at the upper part and the lower part of the second fixed block in the left and right directions, the disposable mask can be clamped in the buckles, a first cavity penetrating through the first fixed block from the upper part to the lower part is arranged in the first fixed block, a through hole is formed in the first cavity in a backward communication manner, a second cavity penetrating through the second fixed block from the left to the right is arranged in the second fixed block, a first through groove is formed between the second cavity and the first cavity in a communication manner, a rotating cavity is formed in the outer side of the second cavity in a communication manner, fan-shaped baffles are symmetrically arranged at the front and the back of the second cavity, the fan-shaped baffles are arranged at intervals, a fixed shaft is fixedly connected between the fan-shaped baffles in the left, the fan blades are arranged at intervals, gear rings are fixedly arranged on the peripheries of the fan blades, a first rotating shaft is arranged in the first cavity in a rotating manner, an arc-shaped disc and a first gear are fixedly arranged on the first rotating shaft, three groups of wet tissues are arranged in the arc-shaped disc, the humidity of each group of wet tissues is different, three groups of positioning blocks are fixedly arranged on the left side of each group of wet tissues respectively, the positioning blocks correspond to the wet tissues, a third cavity is communicated with the right end of the first cavity, a second rotating shaft is arranged in the third cavity in a rotating manner, a long rod is fixedly arranged on the second rotating shaft and extends into the first cavity and is contacted with the bottom end of the positioning block, a first spring is fixedly connected between the long rod and the bottom surface of the third cavity, sliding grooves communicated with the first cavity are symmetrically arranged in the front and back of the first cavity, sliding plates are slidably arranged between the sliding grooves, the left side of the sliding plate is fixedly provided with a wet tissue, and the wet tissue is meshed with the first gear.

Preferably, the fixed right fixed block that is equipped with of first fixed block right-hand member, it is equipped with the second and leads to the groove to run through about in the fixed block of right side, the second leads to the inslot rotation and is equipped with the third pivot, fixed plectrum and the sector gear of being equipped with of third pivot, the plectrum stretches out the right side fixed block outside, the fixed second rack that is equipped with in slide right side, the second rack with sector gear meshes.

Preferably, the fixed left fixed block that is equipped with in second fixed block left end, the third that runs through about being equipped with in the fixed block of a left side leads to the groove, the third lead to the groove with the intercommunication is equipped with the fourth and leads to the groove between the rotation chamber, the rotation of third through-groove is equipped with the fourth pivot, the fixed driver plate and the first belt pulley of being equipped with in fourth pivot, the fourth pivot is stretched out the fixed block outside of a left side, the rotation of fourth through-groove is equipped with the fifth pivot, the fixed second belt pulley and the second gear that are equipped with in fifth pivot, the second belt pulley with the transmission is equipped with the belt between the first belt pulley, the second gear with the ring gear meshing.

In conclusion, the beneficial effects of the invention are as follows: the multi-stage adjustable disposable mask is simple and clear to operate and sensitive in response; meanwhile, the device is simple and elegant, wide in applicable scene and strong in practicability.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

Fig. 1 is a schematic view of the overall structure of a multi-stage adjustable disposable mask according to the present invention;

FIG. 2 is a schematic view of the structure A-A in FIG. 1;

fig. 3 is an enlarged schematic view of B-B in fig. 2.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

As shown in fig. 1-3, the multi-stage adjustable disposable mask of the present invention comprises a first fixing block 11, a second fixing block 12 is fixed at the front end of the first fixing block 11, fasteners 24 are symmetrically arranged on the upper and lower sides of the second fixing block 12, a disposable mask 10 can be clamped in the fasteners 24, a first cavity 35 penetrating through the first fixing block 11 from top to bottom is arranged in the first fixing block 11, a through hole 54 is arranged in the first cavity 35 in a backward communication manner, a second cavity 30 penetrating through the second fixing block 12 from left to right is arranged in the second fixing block, a first through groove 33 is arranged between the second cavity 30 and the first cavity 35 in a communication manner, a rotation cavity 25 is arranged outside the second cavity 30 in a communication manner, fan-shaped baffles 29 are symmetrically arranged in the front and back, the fan-shaped baffles 29 are arranged at intervals, and a fixing shaft 31 is fixedly connected between the fan-shaped baffles 29, the outer surface of the fixing shaft 31 is rotatably provided with a cylinder 32, the cylinder 32 is positioned between the fan-shaped baffle plates 29, the cylinder 32 is fixedly provided with fan blades 27 positioned in the rotating cavity 25, the fan blades 27 are arranged at intervals, the periphery of the fan blades 27 is fixedly provided with a gear ring 26, the first cavity 35 is rotatably provided with a first rotating shaft 45, the first rotating shaft 45 is fixedly provided with an arc-shaped disc 36 and a first gear 43, three groups of wet tissues 37 are arranged in the arc-shaped disc 36, the humidity of each group of wet tissues 37 is different, the left side of each group of wet tissues 37 is respectively and fixedly provided with three groups of positioning blocks 38, the positioning blocks 38 correspond to the first cavity 37, the right end of the first cavity 35 is communicated with a third cavity 39, the third cavity 39 is rotatably provided with a second rotating shaft 41, the second rotating shaft 41 is fixedly provided with a long rod 40, the long rod 40 extends into the first cavity 35, the long rod 40 with fixedly connected with first spring 42 between the third cavity 39 bottom surface, first cavity 35 front and back symmetry is equipped with the intercommunication the spout 53 of first cavity 35, it is equipped with slide 51 to slide between the spout 53, slide 51 with fixedly connected with second spring 52 between the spout 53 roof, slide 51 left side is fixed and is equipped with wet piece of cloth 37, wet piece of cloth 37 with the meshing of first gear 43.

Beneficially, 11 right ends of first fixed block are fixed and are equipped with right fixed block 28, it is equipped with second through groove 49 to run through about in the right fixed block 28, the logical groove 49 internal rotation of second is equipped with third pivot 47, third pivot 47 is fixed and is equipped with plectrum 48 and sector gear 46, plectrum 48 stretches out the right side fixed block 28 outside, slide 51 right side is fixed and is equipped with second rack 50, second rack 50 with sector gear 46 meshes.

It is beneficial, the fixed left fixed block 14 that is equipped with in 12 left ends of second fixed block, the third that runs through about being equipped with in the fixed block of a left side leads to groove 15, third pass through groove 15 with it is equipped with the logical groove 23 of fourth to rotate to communicate between the chamber 25, the internal rotation of third pass through groove 15 is equipped with fourth pivot 19, fourth pivot 19 is fixed to be equipped with driver plate 16 and first belt pulley 18, fourth pivot 19 stretches out the fixed block of a left side 14 the outside, the logical groove 23 internal rotation of fourth is equipped with fifth pivot 22, fifth pivot 22 is fixed to be equipped with second belt pulley 21 and second gear 20, second belt pulley 21 with the transmission is equipped with belt 17 between the first belt pulley 18, second gear 20 with the meshing of ring gear 26.

The method of use of the multi-adjustment disposable mask of the present application is described in detail below with reference to the accompanying figures 1-3 and the specific components of the multi-adjustment disposable mask described above:

firstly, in the initial state, the fan-shaped baffle 29 and the fan blades 27 form a closed circle, and the second cavity 30 is closed;

before the disposable mask 10 is used, the disposable mask 10 is clamped in the buckle 24, and the first fixing block 11 is firmly connected with the disposable mask 10;

through rotating the dial plate 16, the dial plate 16 drives the first belt pulley 18 to rotate, the first belt pulley 18 drives the second belt pulley 21 to rotate through the belt 17, the second belt pulley 21 drives the second gear 20 to rotate, the second gear 20 drives the gear ring 26 to rotate, the gear ring 26 drives the fan blades 27 to rotate around the fixed shaft 31, the gear ring 26 is dislocated with the fan-shaped baffle plate 29 after rotating, the second cavity 30 is ventilated with the outside, the dial plate 16 is continuously rotated, gaps between the fan blades 27 and the fan-shaped baffle plate 29 are gradually increased and then gradually reduced, and the dial plate 16 can be freely rotated to adjust ventilation volume in the second cavity 30;

when the air sucked by the mask is too dry or humid, the poking piece 48 is poked, the poking piece 48 drives the sector gear 46 to rotate, the sector gear 46 drives the sliding plate 51 to slide up and down through the second rack 50, the sliding plate 51 drives the first rack 44 to slide up and down, the first rack 44 drives the first gear 43 to rotate, the first gear 43 drives the arc-shaped disc 36 to rotate, the arc-shaped disc 36 rotates to drive the positioning block 38 to rotate, the positioning block 38 extrudes the long rod 40 downwards, after the elastic force of the first spring 42 is overcome, the arc-shaped disc 36 rotates for a certain angle, the wet tissue 37 is replaced to correspond to the first through groove 33, the wet tissue 37 changes the humidity of the sucked air, and the poking piece 48 can be freely poked to adjust the.

In conclusion, the disposable mask with the multi-stage adjustment function is simple and clear to operate and sensitive in response; meanwhile, the device is simple and elegant, wide in applicable scene and strong in practicability.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention.

Claims

1. The utility model provides a disposable gauze mask of multistage regulation, includes first fixed block, its characterized in that: a second fixed block is fixedly arranged at the front end of the first fixed block, buckles are symmetrically arranged on the upper side and the lower side of the second fixed block in a bilateral mode, a disposable mask can be clamped in the buckles, a first cavity penetrating through the first fixed block from top to bottom is arranged in the first fixed block, a through hole is formed in the backward communication of the first cavity, a second cavity penetrating through the left side and the right side is arranged in the second fixed block, a first through groove is formed in the second cavity and the first cavity in a communication mode, a rotating cavity is formed in the outer side of the second cavity in a communication mode, fan-shaped baffles are symmetrically and fixedly arranged on the front side and the back side of the second cavity and are arranged at intervals, fixed shafts are fixedly connected between the fan-shaped baffles in a bilateral mode, a cylinder is rotationally arranged on the outer surface of the fixed shafts and is located between the, the fan blade is characterized in that a gear ring is fixedly arranged on the periphery of the fan blade, a first rotating shaft is rotationally arranged in the first cavity, an arc-shaped disc and a first gear are fixedly arranged on the first rotating shaft, three groups of wet tissues are arranged in the arc-shaped disc, the humidity of each group of wet tissues is different, three groups of positioning blocks are fixedly arranged on the left side of each group of wet tissues respectively, the positioning blocks correspond to the wet tissues, a third cavity is communicated with the right end of the first cavity, a second rotating shaft is rotationally arranged in the third cavity, a long rod is fixedly arranged on the second rotating shaft, the long rod extends into the first cavity, the long rod is contacted with the bottom end of the positioning block, a first spring is fixedly connected between the long rod and the bottom surface of the third cavity, sliding grooves communicated with the first cavity are symmetrically arranged in the front and back of the first cavity, a sliding plate, a wet tissue is fixedly arranged on the left side of the sliding plate and is meshed with the first gear; therefore, the rotating fan blades are matched with the fan-shaped baffle plate to control the air inflow, and the arc-shaped disc rotates to replace the wet tissue;

a right fixed block is fixedly arranged at the right end of the first fixed block, a second through groove penetrates through the right and left sides in the right fixed block, a third rotating shaft is rotatably arranged in the second through groove, a shifting piece and a sector gear are fixedly arranged on the third rotating shaft, the shifting piece extends out of the outer side of the right fixed block, a second rack is fixedly arranged on the right side of the sliding plate, and the second rack is meshed with the sector gear; therefore, the poking sheet is poked to drive the sliding plate to slide up and down, so that the arc-shaped disc switches the wet tissue;

a left fixing block is fixedly arranged at the left end of the second fixing block, a third through groove which penetrates through the left and right is arranged in the left fixing block, a fourth through groove is communicated between the third through groove and the rotating cavity, a fourth rotating shaft is arranged in the third through groove in a rotating mode, a driving plate and a first belt pulley are fixedly arranged on the fourth rotating shaft, the fourth rotating shaft extends out of the outer side of the left fixing block, a fifth rotating shaft is arranged in the fourth through groove in a rotating mode, a second belt pulley and a second gear are fixedly arranged on the fifth rotating shaft, a belt is arranged between the second belt pulley and the first belt pulley in a transmission mode, and the second gear is meshed with the gear ring; therefore, the drive plate is rotated, and the drive plate drives the second gear to rotate through the first belt pulley and the second belt pulley, so that the air inflow is changed.