CN115212481B

CN115212481B - Defogging gas mask

Info

Publication number: CN115212481B
Application number: CN202210774645.5A
Authority: CN
Inventors: 孙少杰; 杜元亮; 吴小芳; 何祝剑
Original assignee: Zhejiang Hua Shi Pipeline Technology Co ltd
Current assignee: Zhejiang Hua Shi Pipeline Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-03-31
Anticipated expiration: 2042-07-01
Also published as: CN115212481A

Abstract

The invention discloses a defogging type gas mask, which comprises a mask, wherein filter cylinders are fixedly connected to the left side and the right side of the mask, filter heads are connected to the outer side of each filter cylinder in a threaded manner, goggles are arranged on the top of the mask, connecting frames are fixedly connected to the left side and the right side of the top of each goggle, worms are transversely and movably connected to the inner cavities of the connecting frames through bearing seats, worm wheels are movably connected to the left sides of the tops of the connecting frames through shaft pins, the tops of the worm wheels penetrate through the tops of the connecting frames, the bottoms of the worm wheels are meshed with the tops of the worms, shaft sleeves are movably sleeved on the right sides of the surfaces of the worms, and slide columns are fixedly connected to the tops of the shaft sleeves. The invention solves the problem that the existing gas mask does not have the function of demisting, so that water mist is easy to appear in a closed space formed by the gas mask and the face of a user, the safety of wearing the gas mask by the user is improved, and the functionality of the anti-blocking mask is also improved.

Description

Defogging gas mask

Technical Field

The invention relates to the technical field of gas masks, in particular to a demisting gas mask.

Background

The gas mask is a personal labor protection article, is also an individual protection article, is worn on the head to protect the respiratory organs, eyes and face of a person and prevent toxic substances such as poison gas, dust, bacteria, toxic and harmful gas or steam and the like from damaging the personal protection equipment

The gas mask is needed to be used in the household fire, but the existing gas mask does not have the defogging function, so that the phenomenon that water fog easily appears in a closed space formed by the gas mask and a human face is caused, the safety of the gas mask worn by a user is reduced, and the functionality of the gas mask is also reduced.

Therefore, the gas mask needs to be designed and modified to effectively prevent the phenomenon of fogging during wearing and use.

Disclosure of Invention

In order to solve the problems in the background art, the invention aims to provide a defogging type gas mask which has the advantage of good defogging effect and solves the problem that water fog is easy to appear in a closed space formed by the gas mask and a human face due to the fact that the existing gas mask does not have the defogging function.

In order to achieve the purpose, the invention provides the following technical scheme: except that fog type gas mask, including the face guard, the left side and the equal fixedly connected with cartridge filter in right side of face guard, the outside threaded connection of cartridge filter has the filter head, the top of face guard is provided with the goggles, the left side at goggles top and the equal fixedly connected with link on right side, the inner chamber of link has the worm through the horizontal swing joint of bearing frame, there is the worm wheel in the left side at link top through pivot swing joint, the top of connecting frame is run through at the top of worm wheel, the bottom of worm wheel is connected with the top meshing of worm, the axle sleeve has been cup jointed in the right side activity on worm surface, the top fixedly connected with traveller of axle sleeve, the top sliding connection of traveller's top and link inner wall, the bottom fixedly connected with dead lever of axle sleeve, the bottom of dead lever is run through to the inside of face guard, the left side and the right side of goggles all are provided with the fixed block, the inner chamber of fixed block is provided with the exhaust fan.

Preferably, the top of the inner wall of the connecting frame is provided with a sliding chute, the length of the sliding chute is greater than the moving distance of the sliding column, and the sliding chute is rectangular.

Preferably, the bottom of the connecting frame is provided with an opening, the width of the opening is larger than that of the fixing rod, and the opening is rectangular.

Preferably, the front end of the fixing rod is provided with a non-woven fabric, the width of the non-woven fabric is equal to the width of the fixing rod, and the non-woven fabric is matched with the fixing rod for use.

Preferably, the inner cavity of the fixing block is provided with a dust screen, and the dust screen is matched with the fixing block for use.

Preferably, the top and the bottom of the surface of the filter head are fixedly connected with a plurality of anti-skidding blocks which are uniformly distributed, and the anti-skidding blocks are matched with the filter head.

Preferably, the worm is made of steel, and the worm is matched with the worm wheel.

Preferably, the fixing rod is made of stainless steel, and the fixing rod is rectangular.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention uses the mask, the filter cartridge, the filter head, the goggles, the connecting frame, the worm gear, the shaft sleeve, the sliding column, the fixed rod, the fixed block and the exhaust fan in a matching way, the temperature in the mask is raised by generating hot air in the breathing process when a user wears the mask, the temperature difference between the heat in the mask and the temperature outside the mask is inconsistent, so that a layer of water vapor or mist is generated on the surface of the goggles, then the worm gear is manually rotated by the user, the worm gear is rotated and matched with the worm to rotate, the shaft sleeve is rotated to left to drive the sliding column and the fixed rod to synchronously move, the sliding column is matched with the sliding groove to move to left, the fixed rod is moved and matched with the non-woven fabric to wipe the goggles, the worm gear is repeatedly operated to rotate in the positive and negative directions, so that the fixed rod wipes the water vapor on the surface of the goggles to keep visible, then the exhaust fan is matched with the exhaust fan to automatically rotate in the process that the air is exhausted in each time when the user breathes, the temperature difference between the air in the mask is not greatly caused by the rotation of the exhaust fan, finally, the filter cartridge and the air in the mask is matched with the filter cartridge and the filter head, so that the air entering the mask, the air entering the mask is filtered, the demisting function of demisting prevention is realized, and the safety of the demisting prevention function of the user is improved, and the safety of the user is improved.

2. According to the invention, through the arrangement of the sliding chute, the sliding column can move left and right in the sliding chute, and the limiting effect is achieved, so that the phenomenon of deviation of the sliding column in the moving process is avoided, and the moving stability of the sliding column is also improved.

Drawings

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

FIG. 2 is a cross-sectional view of the connecting frame shown in FIG. 1 according to the present invention;

FIG. 3 is a perspective view of the retaining rod structure of FIG. 2 according to the present invention;

FIG. 4 is a left side view of the fixing block and the exhaust fan structure of FIG. 1 according to the present invention;

FIG. 5 is a perspective view of the construction of the Chinese dragon cylinder and the filter head of FIG. 1 according to the present invention;

fig. 6 is a perspective view of the shaft sleeve structure of fig. 2 according to the present invention.

In the figure: 1. a face mask; 2. a filter cartridge; 3. a filter head; 4. goggles; 5. a connecting frame; 6. a worm; 7. a worm gear; 8. a shaft sleeve; 9. a traveler; 10. fixing the rod; 11. a fixed block; 12. an exhaust fan; 13. a chute; 14. an opening; 15. non-woven fabrics; 16. a dust screen; 17. and (4) an anti-skid block.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the defogging type gas mask provided by the invention comprises a mask 1, wherein filter cartridges 2 are fixedly connected to the left side and the right side of the mask 1, filter heads 3 are connected to the outer side of the filter cartridges 2 in a threaded manner, goggles 4 are arranged on the top of the mask 1, connecting frames 5 are fixedly connected to the left side and the right side of the tops of the goggles 4, worms 6 are transversely and movably connected to the inner cavities of the connecting frames 5 through bearing seats, worm wheels 7 are movably connected to the left side of the tops of the connecting frames 5 through shaft pins, the tops of the worm wheels 7 penetrate through the tops of the connecting frames 5, the bottoms of the worm wheels 7 are meshed with the tops of the worms 6, shaft sleeves 8 are movably sleeved on the right sides of the surfaces of the worms 6, sliding columns 9 are fixedly connected to the tops of the shaft sleeves 8, the tops of the sliding columns 9 are slidably connected to the tops of the inner walls of the connecting frames 5, fixing rods 10 are fixedly connected to the bottoms of the shaft sleeves 8, the bottoms of the fixing rods 10 penetrate into the mask 1, fixing blocks 11 are arranged on the left side and the right side of the goggles 4, and the inner cavities of the fixing blocks 11 are provided with exhaust fans 12.

Referring to fig. 2, a sliding groove 13 is formed at the top of the inner wall of the connecting frame 5, the length of the sliding groove 13 is greater than the moving distance of the sliding column 9, and the sliding groove 13 is rectangular.

Adopt above-mentioned scheme: through the setting of spout 13, can make traveller 9 remove about spout 13 is inside, play spacing effect simultaneously, avoid traveller 9 the phenomenon of skew to appear at the in-process that removes, also increase the stability that traveller 9 removed.

Referring to fig. 2, an opening 14 is formed at the bottom of the connection frame 5, the width of the opening 14 is greater than the width of the fixing rod 10, and the opening 14 is rectangular.

Adopt above-mentioned scheme: through the arrangement of the opening 14, the fixing rod 10 can completely carry out mechanical transmission through the opening 14, the phenomenon that the fixing rod 10 is clamped at the opening 14 due to the fact that the width of the opening 14 is too narrow is avoided, and abrasion of the fixing rod 10 at the opening 14 is also reduced.

Referring to fig. 3, the front end of the fixing rod 10 is provided with a non-woven fabric 15, the width of the non-woven fabric 15 is equal to the width of the fixing rod 10, and the non-woven fabric 15 is used in cooperation with the fixing rod 10.

The scheme is adopted: through the setting of non-woven fabrics 15, can assist dead lever 10 to carry out work, play the effect of cleaning simultaneously, avoid the surface of goggles 4 to produce steam and influence the user field of vision.

Referring to fig. 4, the inner cavity of the fixing block 11 is provided with a dust screen 16, and the dust screen 16 is used in cooperation with the fixing block 11.

Adopt above-mentioned scheme: through the setting of dust screen 16, can assist exhaust fan 12 to carry out work, play filterable effect simultaneously, avoid exhaust fan 12 to introduce the in-process of air and carry dust particle.

Referring to fig. 5, the top and the bottom of the surface of the filter head 3 are both fixedly connected with the anti-slip blocks 17, the number of the anti-slip blocks 17 is several, and the anti-slip blocks 17 are uniformly distributed, and the anti-slip blocks 17 are matched with the filter head 3 for use.

The scheme is adopted: through the setting of non slipping spur 17, can assist filter head 3 to carry out work, play skid-proof effect simultaneously, avoided the user to appear the phenomenon of skidding at the in-process of changing filter head 3, also the person of facilitating the use operation.

Referring to fig. 3, the worm 6 is made of steel, and the worm 6 is used in cooperation with the worm wheel 7.

The scheme is adopted: the material through worm 6 is the setting of steel, can increase the intensity of worm 6, has avoided worm 6 to appear deforming damaged phenomenon at rotatory in-process, prolongs the life of worm 6.

Referring to fig. 3, the fixing rod 10 is made of stainless steel, and the fixing rod 10 is rectangular.

Adopt above-mentioned scheme: the fixing rod 10 is made of stainless steel, so that the corrosion resistance of the fixing rod 10 can be improved, the phenomenon that the fixing rod 10 is oxidized and rusted in the using process is avoided, and the service time of the fixing rod 10 is prolonged.

The working principle and the using process of the invention are as follows: when the face guard is used, the temperature inside the face guard 1 rises due to the fact that hot air is generated in the breathing process of the face guard 1 worn by a user, the temperature difference between the inside of the face guard 1 and the outside of the face guard 1 is inconsistent, and accordingly a layer of water vapor or fog is generated on the surface of the goggles 4, then the worm wheel 7 is manually rotated by the user, the worm wheel 7 is rotationally matched with the worm 6 to rotate, the worm 6 rotates to enable the shaft sleeve 8 to move leftwards, the shaft sleeve 8 moves leftwards to drive the sliding column 9 and the fixed rod 10 to move synchronously, the sliding column 9 is matched with the sliding chute 13 to move leftwards, the fixed rod 10 is moved to be matched with the non-woven fabric 15 to wipe the goggles 4, the worm wheel 7 is operated repeatedly to rotate forwards and backwards to enable the fixed rod 10 to wipe the water vapor on the surface of the goggles 4 to be visible, then the exhaust fan 12 is matched with the exhaust fan 12 to automatically rotate in the process that air generated by breathing of the user each time and is discharged, the temperature difference between the inside of the face guard 1 is not large due to rotate, and finally the air entering through the filter cartridge 2 and the filter head 3 to filter to achieve the effect of demisting.

In summary, the following steps: the defogging type gas mask is characterized in that a mask 1, a filter cartridge 2, a filter head 3, goggles 4, a connecting frame 5, a worm 6, a worm wheel 7, a shaft sleeve 8, a sliding column 9, a fixed rod 10, a fixed block 11 and an exhaust fan 12 are matched for use, the temperature inside the mask 1 is raised by hot gas generated in the breathing process of wearing the mask 1 by a user, the temperature difference between the heat inside the mask 1 and the temperature outside the mask 1 is inconsistent, so that a layer of water vapor or fog is generated on the surface of the goggles 4, then the worm wheel 7 is manually rotated by the user, the worm wheel 7 is rotated in coordination with the worm 6, the shaft sleeve 8 is rotated to move leftwards, the shaft sleeve 8 moves leftwards to drive the sliding column 9 and the fixed rod 10 to synchronously move leftwards in coordination with a sliding chute 13, dead lever 10 removes cooperation non-woven fabrics 15 and cleans goggles 4, operate worm wheel 7 positive and negative rotations repeatedly and make dead lever 10 clean steam and keep visual at goggles 4's surface, then cooperate exhaust fan 12 to produce air current exhaust in-process exhaust fan 12 autogiration at user's breathing at every turn, exhaust fan 12 is rotatory to make 1 inside air circulation difference in temperature difference of face guard not big, cooperation cartridge filter 2 and filter head 3 make the effect that the air of 1 inside breathing entering of face guard filtered the realization protection at last, and reach the effect of defogging, the effect that current gas mask does not have the defogging has been solved, lead to gas mask and the human face to form the problem that the water smoke appears easily in airtight space.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Defogging type respirator, including face guard (1), its characterized in that: the utility model discloses a mask, including face guard, filter cartridge (2) all fixedly connected with on the left side and the right side of face guard (1), the outside threaded connection of filter cartridge (2) has filter head (3), the top of face guard (1) is provided with goggles (4), the left side and the equal fixedly connected with on the right side at goggles (4) top connect frame (5), the inner chamber of connect frame (5) has worm (6) through the horizontal swing joint of bearing frame, the left side at connect frame (5) top has worm wheel (7) through pivot swing joint, the top of worm wheel (7) runs through the top of connect frame (5), the bottom of worm wheel (7) is connected with the top meshing of worm (6), axle sleeve (8) has been cup jointed in the right side activity on worm (6) surface, the top fixedly connected with traveller (9) of axle sleeve (8), the top sliding connection of top and connect frame (5) inner wall of traveller (9), the bottom fixedly connected with dead lever (10) of axle sleeve (8), the bottom of dead lever (10) runs through to the inside of face guard (1), the left side and the right side and the left side of fixed block (4) all are provided with fixed block (11), the connection frame (5) inner chamber (14) opening is equipped with fan (14), the width of fan (14), the shape of opening (14) is the rectangle, the front end of dead lever (10) is provided with non-woven fabrics (15), the width of non-woven fabrics (15) equals the width of dead lever (10), non-woven fabrics (15) use with dead lever (10) cooperation, the inner chamber of fixed block (11) is provided with dust screen (16), dust screen (16) use with fixed block (11) cooperation, spout (13) have been seted up at the top of linking bridge (5) inner wall, the length of spout (13) is greater than the displacement of traveller (9), the shape of spout (13) is the rectangle.

2. The defogging respirator of claim 1, wherein: the filter head is characterized in that anti-skidding blocks (17) are fixedly connected to the top and the bottom of the surface of the filter head (3), the number of the anti-skidding blocks (17) is a plurality of, the anti-skidding blocks are evenly distributed, and the anti-skidding blocks (17) are matched with the filter head (3) for use.

3. The defogging respirator of claim 1, wherein: the worm (6) is made of steel, and the worm (6) is matched with the worm wheel (7) for use.

4. The defogging respirator of claim 1, wherein: the fixing rod (10) is made of stainless steel, and the fixing rod (10) is rectangular.