CN112294367A

CN112294367A - Bacterium and germ collection system and gauze mask

Info

Publication number: CN112294367A
Application number: CN202011035561.7A
Authority: CN
Inventors: 朱鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-02-02

Abstract

The invention relates to a bacteria and germ collecting device, which comprises a cover body with an oral and nasal cover cavity, wherein the cover body is provided with an exhaust channel, wherein: an intercepting filter material for collecting bacteria and germs is also arranged in the exhaust passage, and the intercepting filter material is detachably arranged in the exhaust passage. The invention provides a bacteria and germ collecting device and a mask, wherein the device is combined on the mask, the technical effects of collecting bacteria and germs in an isolated manner and collecting the germs in the continuous use of the mask are realized while the mask is used, the touch can be prevented during collecting, and the technical effects of directly placing collected objects in a test tube without contact and safety are realized. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards. Is particularly suitable for effectively protecting novel coronavirus with ultra-strong transmission capability.

Description

Bacterium and germ collection system and gauze mask

Technical Field

The invention relates to a bacteria and germ collecting device and a mask, in particular to a mask with the bacteria and germ collecting device.

Background

The novel coronavirus has the characteristics of human transmission, high transmission speed and the like. The practical wearing of the protective mask has certain barrier and protective effects on viruses, including the effect of blocking external viruses and the effect of blocking viruses inside individuals from spreading outwards. This applicant proposes a repeatedly usable's anti-virus gauze mask of application number 2020101451916 in 2020 year 2 month 8, can carry out cleaning and disinfecting respectively when realizing changing filter module or the filter body wherein, simultaneously because filter module externally arranges the oral nasal mask in externally and coexists at certain interval distance, realizes keeping away from the mouth nose, prevents the touching, reduces the contact oral nasal mask body probability, realizes effectively protecting the superstrong "novel coronavirus" use of transmission. Simultaneously, the mask body and the filter cavity of the filter module can be repeatedly used, so that the use cost is reduced, and the purpose of environmental protection is realized.

At present, when the novel coronavirus is detected, the detected individual needs to be sampled from the mouth and the nose of the detected individual through filter cotton. The face-to-face sampling procedure presents a high risk to medical personnel and a risk of viral transmission. Meanwhile, the detection effect is only limited to the sampling detection result, and at present, no effective means is available to obtain a method and a device for continuously collecting and detecting the viruses within a period of time, and no simple method and device for really sampling in an isolated manner are available.

In addition, at present, no special bacteria and germ collecting device which is convenient to detect is provided, and particularly no mask with the bacteria and germ collecting function is provided. The applicant has developed the bacteria and germs collecting device and mask of the present application on the basis of a reusable anti-virus mask.

Disclosure of Invention

The invention aims to provide a bacteria and germ collecting device and a mask, wherein the device is combined on the mask, the technical effects of collecting bacteria and germs in an isolated manner and collecting the germs in the continuous use of the mask are realized while the mask is used, the touch can be prevented during the collection, and the technical effect of directly placing collected objects in a test tube in a non-contact and safe manner is realized. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards. Is particularly suitable for effectively protecting the novel coronavirus with ultra-strong transmission capability.

In order to solve the technical problem, the invention provides a bacteria and germ collecting device, which comprises a cover body, wherein the cover body is provided with an exhaust passage, wherein: an intercepting filter material for collecting bacteria and germs is also arranged in the exhaust passage, and the intercepting filter material is detachably arranged in the exhaust passage.

Due to the adoption of the technical scheme, when the detection individual is detected, the intercepting filter material body is conveniently taken out from the outer part of the cover body and enters the medical test tube. The technical effects of collecting bacteria and germs in an isolated manner and collecting bacteria and germs in the continuous use of the mask are realized while the mask is used. The technical effect of directly placing the collected object in the test tube without touching and contacting safely during collection is achieved. Under the isolated state when not influencing using gauze mask, can collect interception filter material body, then adorn new interception filter material body, carry out the technological effect of continuing the sample when even use process does not influence and continue to use the gauze mask. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards. Is particularly suitable for effectively preventing and curing the novel coronavirus with ultra-strong transmission capability.

The air outlet valve plate is arranged in the exhaust channel of the bacteria and germ collecting device. The gas exhaled during expiration is discharged from the exhaust passage, and the automatic opening and closing of the one-way valve can prevent the gas outside the mask from flowing backwards without influencing the function purpose of the mask body for inhaling and filtering. In addition, the filter body is prevented from being polluted and intercepted due to the fact that external gas cannot enter from the exhaust channel, sampling accuracy is guaranteed, and the purpose of more effective collection is achieved.

In the bacteria and germs collecting device, the wall surface of the cover body forms a through hole, and the exhaust channel is detachably buckled in the through hole. The air exhaust channel is convenient to disassemble and assemble, the intercepting filter body is convenient to replace, and the air exhaust channel and the mask body can be respectively cleaned and disinfected when the air exhaust device is used. Meanwhile, as the intercepting filter body and the mask body have a certain interval, the mouth and the nose of a person to be sampled are isolated during sampling, the touch is prevented, the probability of contacting the mouth and the nose and the mask body is reduced, and the novel coronavirus blocking filter is particularly suitable for effectively protecting and using the novel coronavirus with super-strong transmission capacity.

According to the bacteria and germ collecting device, the exhaust channel comprises the air inlet end at the inner end and the air outlet end at the outer end, the outer wall surface of the exhaust channel at the air inlet end is provided with the connecting ring groove matched with the through hole, and the intercepting filter material body is detachably arranged between the air inlet end and the air outlet end. The exhaust channel is provided with the connecting ring groove matched with the through hole, so that the air outlet end of the exhaust channel is inserted into the through hole, the through edge ring edge is sealed and positioned in the connecting ring groove, and the air outlet end of the exhaust channel is suspended to be a free end. Set up dismantled and assembled interception filter body in the passageway between inlet end and the end of giving vent to anger and keep apart by the person's of taking a sample oronasal when realizing taking a sample, prevent to touch, reduce the contact oronasal mask body machine rate.

According to the bacteria and germ collecting device, the exhaust channel is transversely provided with the square hole position between the air inlet end and the air outlet end, the side wall surface of one side of the square hole position is provided with the pumping hole and the corresponding side setting groove, and the intercepting filter body is detachably positioned on the positioning groove through the pumping hole. The air outlet device is arranged on the transverse square hole position of the inner wall surface of the exhaust channel between the air inlet end and the air outlet end and used for positioning the intercepting filter body to be transversely arranged, the ventilation area of the intercepting filter body is increased, the air outlet quantity of the mask can not be caused when the exhaled air is intercepted and filtered and infectious disease sources such as bacteria and germs are collected, and the technical purpose of easy expiration is achieved. The material pumping port communicated with the side wall surface is arranged on the side part, and the intercepting filter body is horizontally arranged. When taking out, the intercepting filter material body falls into the sampling bottle opposite to the opening in a button type or material pumping mode without contact.

In the bacteria and germ collecting device, the other side edge of the square hole, which is opposite to the material pumping port, is provided with a positioning hole, and a material pushing shaft rod is arranged in the positioning hole. The other side surface opposite to the material drawing port is provided with the material pushing shaft rod, so that the intercepting filter material body can be pushed out of the material drawing port when the material pushing shaft rod is pressed inwards, and the intercepting filter material body falls into the sampling bottle opposite to the hole opening without contact.

The bacteria and germs collecting device is characterized in that the intercepting filter body is transversely matched with the exhaust channel and comprises a bracket and a collecting filter element positioned in the bracket. The intercepting filter body can be traditional sampling materials such as cylindrical filter cotton, block filter cotton and the like, and is positioned in the transverse direction or the vertical direction of the exhaust channel through the bracket, so that the exhaled air passing through the exhaust channel is exhausted outwards after passing through the intercepting filter body.

The bacteria and germs collecting device intercepts the filtering material body to be square and is matched with the square hole. The intercepting filter body is matched with the square hole, so that the exhaled air passing through the exhaust channel is exhausted outwards after passing through the intercepting filter body. When the filter is specifically applied, the intercepting filter body is approximately rectangular, the two long sides are slightly inclined, so that the side of the material drawing opening is slightly larger, and the opposite side of the material pushing shaft lever is slightly smaller, and the filter body is convenient to push and drop.

The material pumping port of the bacteria and germ collecting device is provided with an outer plug. When the materials are taken, the outer plug on the material drawing port is opened, the test tube bottle is opposite to the upper material drawing port, the material pushing shaft lever is pressed to push the intercepting filter materials out of the material drawing port, and the intercepting filter materials fall into the sampling tube opposite to the hole opening without contact. Then, a new intercepting filter material body is installed and then an outer plug is covered, so that the technical effect of continuously sampling while continuously using the mouth mask is not influenced.

According to the bacteria and germ collecting device, the air inlet end and the air outlet end of the exhaust channel are of split buckle structures, the outer wall surface of the exhaust channel at the air inlet end is provided with the connecting ring groove matched with the through hole, and the filter material is intercepted and is detachably arranged in the axial direction between the air inlet end and the air outlet end. Through the end of giving vent to anger with the inlet end of exhaust passage for components of a whole that can function independently buckle structure, conveniently will intercept filter material and built-in between its passageway. When the interception filter body is taken or replaced, the air outlet end is separated from the air inlet end positioned on the cover body, and the interception filter body is pressed out in a non-contact way after facing the sampling bottle. Then install and detain after the new interception filter material body, continue to take a sample when not influencing and continue to use the gauze mask, have simple structure, make things convenient for the technical effect of sample.

Foretell bacterium and germ collection system, interception filter material body, including being columniform support and gathering the filter core, the support includes the pillar and connects the cap, gathers filter core one end location and is connecting the cap, and the inside locating hole that is equipped with of inlet end gives vent to anger holds inside and is equipped with the buckle hole, and the removable location of pillar is in the buckle hole, gathers filter core one end location other end location in the locating hole. The air inlet end and the air outlet end of the exhaust channel are of split buckle structures, the collecting filter element for intercepting the filter element body is positioned on the connecting cap of the support and connected into the buckle hole in the air outlet end through the support, and when the air outlet end and the air inlet end are buckled into a whole, one end of the collecting filter element is positioned and the other end of the collecting filter element is positioned in the positioning hole in the air outlet end. When the interception filter material body is taken or replaced, the air outlet end is separated from the air inlet end positioned on the cover body, and the interception filter material body positioned by the buckle hole in the air outlet end faces the sampling bottle and then is not touched and pressed out.

In the bacteria and germ collecting device, the end face of the air outlet end of the exhaust channel is provided with the air outlet valve plate. The air outlet valve piece is arranged on the end face of the air outlet end, so that the air exhaled during exhalation is exhausted from the exhaust channel, and the function purpose of preventing the air outside the mask from flowing backwards without influencing the inhalation and filtration of the mask body is realized through the automatic opening and closing of the one-way valve. In addition, the sampling accuracy of the pollution blocking filter body is prevented because external gas cannot enter from the exhaust channel, and the purpose of more effective collection is achieved.

According to the bacteria and germ collecting device, the valve seat is arranged in the exhaust channel of the air outlet end, the end cover is arranged on the outer end face of the exhaust channel, and the air outlet valve plate is positioned through the end cover and the valve seat. The valve seat is covered by the air outlet valve plate during inspiration to realize the closing of the air exhaust channel, and the expired air is exhausted from the air exhaust channel during expiration. The air outlet valve plate is protected by an end cover and is positioned outside the valve seat.

In the bacteria and germ collecting device, a plurality of outer air outlet holes are formed in the side surface of the exhaust channel between the end cover and the valve seat. The end cover is opened into a sealing end cover, and a plurality of outer air outlet holes are arranged on the side surface of the exhaust channel, and the side channel of the air outlet valve piece is opposite to the outer air outlet holes when in an open state, so that the aim of conveniently discharging air is fulfilled.

The cover body of the bacteria and germ collecting device is made of soft silica gel.

The utility model provides a gauze mask with bacterium and germ are gathered, includes the filter module that admits air that removable the setting is in the cover body front side, still including being equipped with collection system.

The mask with the bacteria and germ collection function is characterized in that the exhaust passage is arranged on the lower side part of the mask body.

When the mask is combined with the respirator, the mask has the advantages of smooth breathing, good protection effect, simple structure and reasonable design. Meanwhile, the novel LED lamp has the technical effects of being light and thin, low in noise, stable in fixation and convenient to disassemble and assemble. Also has the following characteristics: the protective mask filter module combined with the bacteria and germ collecting device is in an external filter design, and the bacteria and germ collecting device, the mask body air suction filter module and the mouth-nose mask body are independently designed, so that the bacteria and germ collecting device can sample and can respectively clean and disinfect when the filter module or a filter body in the filter module is replaced, and meanwhile, the bacteria and germ collecting device is externally arranged outside the mouth-nose mask body and has a certain spacing distance, so that the technical effects of collecting bacteria and germs in an isolated mode and continuously using the mask are realized, and the technical effects of preventing touch during collection, and safely and directly placing collected objects in test tubes without contact are realized. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards.

Simultaneously, the filter module of filtered air's gauze mask body is arranged in the external and certain spacing distance of mouth nose cup in outward, realizes keeping away from the mouth nose, prevents the touching, reduces the contact mouth nose cup body probability, realizes effectively protecting the superstrong "novel coronavirus" use of transmission. Meanwhile, the mask body and the filtering module can be repeatedly used, so that the use cost is reduced, and the purpose of environmental protection is realized.

The mask body is convenient to maintain and low in comprehensive cost: the silica gel mask can be sterilized by boiling water. The material has high stability, normal service life of more than three years and lower comprehensive use cost; the filter is portable, and the filter body and the air inlet filter screen are convenient to disassemble and replace; high productivity and high efficiency. The comfort is better: the whole face mask with the appearance structure follows the proportion of the facial structure of a human body, and is suitable for various different facial shapes. The large-area skin-friendly veneer has wide visual field, convenient wearing, no leakage, light weight, no drop and no pressure; the skin-friendly material is as follows: the mask main body is made of a baby nipple material, namely food-grade liquid silica gel, and the mask has good resilience, strong sealing, ageing resistance, fastness, corrosion resistance, high and low temperature (temperature resistance range of-40 ℃ to +230 ℃), softness, comfort, no toxicity and no smell; low loss: repeatedly usable's cover body design, the minimum area design under the prerequisite of face guard filter pulp guarantee breathing comfort level, the biggest supply of material of guarantee filter core (consumptive material).

Drawings

The invention will be further described in detail with reference to examples of embodiments in the drawings to which, however, the invention is not restricted.

FIG. 1 is a schematic view of a vertical cross-section of one embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention;

FIG. 3 is a schematic view of a vertical 90 degree angle section of a connecting portion according to an embodiment of the present invention;

FIG. 4 is a schematic view of a vertical 90 degree angle perspective cross-sectional structure of a cover attachment portion in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of a vertical 90 degree angle cross-sectional view of an exhaust channel according to an embodiment of the present invention;

FIG. 6 is a schematic view of a vertical cross-section of an exhaust passage according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a horizontal cross-sectional structure of an exhaust passage according to an embodiment of the present invention;

FIG. 8 is a schematic view of an assembled vertical section of an exhaust passage according to an embodiment of the present invention;

FIG. 9 is a perspective view of an assembled exhaust passage according to an embodiment of the present invention;

FIG. 10 is a schematic view in vertical section of another embodiment of the present invention;

FIG. 11 is a schematic view of a vertical 90 degree angle section of a connecting portion according to another embodiment of the present invention;

FIG. 12 is a schematic perspective view of another embodiment of the present invention;

FIG. 13 is a schematic vertical 90 degree angle perspective cross-sectional view of an exhaust passage according to another embodiment of the present invention;

FIG. 14 is a schematic view showing an assembled state of an exhaust passage according to another embodiment of the present invention;

FIG. 15 is a schematic view of an assembled state of a vertical cross-section of an exhaust passage according to another embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 15, the bacteria and germs collecting device of the present invention comprises a cover body 1 having a mouth and nose cover cavity, the cover body 1 is provided with an exhaust passage 2, an intercepting filter material 3 for collecting bacteria and germs is further arranged in the exhaust passage 2, and the intercepting filter material 3 is detachably arranged in the exhaust passage 2.

An air outlet valve plate 4 is arranged in the exhaust channel 2.

The wall surface of the cover body 1 is provided with a through hole 11, and the exhaust channel 2 is detachably buckled in the through hole 11.

The exhaust passage 2 comprises an air inlet end 21 at the inner end and an air outlet end 22 at the outer end, a connecting ring groove 23 matched with the through hole is formed in the outer wall surface of the exhaust passage 2 at the air inlet end, and the intercepting filter material body 3 is detachably arranged between the air inlet end 21 and the air outlet end 22.

The cover body 1 is made of soft silica gel.

The exhaust passage 2 is provided at the lower side portion of the cover 1.

The width or diameter of the intercepting filter 3 is adapted to the medical tube.

As shown in fig. 1 to 9, on the basis of the above structure, the bacteria and germs collecting device of the present invention is a specific embodiment of an exhaust passage: the exhaust passage 2 is transversely provided with a square hole 23 between the air inlet end 21 and the air outlet end 22, the side wall surface of one side of the square hole 23 is provided with a material pumping opening 24a, two corresponding side edge positioning grooves 25, and the intercepting filter material 3 is detachably positioned on the positioning grooves 25 through the material pumping opening 24 a.

Wherein, still can further: a positioning hole 26 is arranged on the other side of the square hole 23 opposite to the material drawing port 24a, and a material pushing shaft rod 27 is arranged in the positioning hole 26.

Wherein, still can further: the intercepting filter body 3 is transversely adapted to the degassing channel 2 and comprises a support 31 and a collecting filter 32 positioned therein.

Wherein, still can further: the intercepting filter body 3 is square and is matched with the square hole 23.

Wherein, still can further: an outer plug 28 is provided at the pumping port 24 a.

As shown in fig. 10 to 15, another embodiment of the exhaust passage of the bacteria and germs collecting device of the present invention: the air inlet end 21 and the air outlet end 22 of the exhaust channel 2 are of split buckle structures, the outer wall surface of the exhaust channel 2 at the air inlet end is provided with a connecting ring groove 23 matched with the through hole, and the filter intercepting body 3 is detachably arranged in the axial direction between the air inlet end 21 and the air outlet end 22.

Wherein, still can further: intercepting filter body 3, including being columniform support 31 and collection filter core 32, the support includes pillar 31a and connects cap 31b, and collection filter core 32 one end is fixed a position and is being connected cap 31b, and the inside location hole 21a that is equipped with of inlet end 21 is given vent to anger and is equipped with buckle hole 22a in the end 22 inside, and pillar 31a demountable positioning is in buckle hole 22a, and collection filter core 32 one end location other end is fixed a position in location hole 21 a.

Wherein, still can further: and an air outlet valve plate 4 is arranged on the end surface of an air outlet end 22 of the exhaust channel 2.

Wherein, still can further: a valve seat 22b is provided in the exhaust passage 2 of the outlet end 22, an end cap 22c is provided on the outer end face, and the outlet valve piece 4 is positioned by the end cap 22c and the valve seat 22 b.

Wherein, still can further: a plurality of air outlet holes 22d are formed in the side surface of the exhaust passage 2 between the end cap 22c and the valve seat 22 b.

The utility model provides a gauze mask with bacterium and germ are gathered, includes the filter module A that admits air of removable installing at cover body 1 front side, still including being equipped with collection system.

When the mask is used specifically, the filtering material 3 for collecting bacteria and germs is combined with the exhaust channel of the mask, the mask body 1 forms an oral-nasal mask cavity on the inner side of the mask body 1 to be matched and positioned with the mouth and the nose of the face through the elastic mask belt, the oral-nasal mask cavity is covered at the corresponding position of the mouth and the nose, and the exhaust channel 2 is positioned at the lower side part of the mask body 1. The exhaust passage 2 that sets up interception filter body 3 is external filtration design at the protective facial mask filter module A that combines, through with bacterium and germ collection system, the gauze mask body is breathed in filter module A and the design of the 1 looks independent components of a whole that can function independently of the gauze mask body, realize bacterium and germ collection system sample, can carry out cleaning and disinfecting respectively when changing filter module or the filter body wherein, bacterium and germ collection system arrange in the oral nasal mask externally simultaneously, and there is certain interval distance, realize isolated collection bacterium and germ and the technological effect of gathering in the gauze mask lasts the use, can prevent the touching during the collection, contactless, directly arrange the technological effect in the test tube with the collection thing safely. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards. Simultaneously, the filter module A of filtered air's gauze mask body is arranged in the cover body 1 of gauze mask mouth nose outward and there is certain spacing distance, realizes keeping away from the mouth nose, prevents to touch, reduces the contact mouth nose cover body probability, realizes effectively protecting the superstrong "novel coronavirus" use of transmission. Meanwhile, the filtering module A and the exhaust passage 2 which are externally arranged on the cover body 1 can be repeatedly used, so that the use cost is reduced, and the purpose of environmental protection is realized. When the individual to be detected needs to be detected, the intercepting filter body 3 is only required to be conveniently taken out from the outer part of the cover body 1 and then enters the medical test tube. The technical effects of collecting bacteria and germs in an isolated manner and collecting bacteria and germs in the continuous use of the mask are realized while the mask is used. The technical effect of directly placing the collected objects in the test tube without touching and contacting safely during collection. Under the isolated state when not influencing using gauze mask, can collect interception filter material body 3, then adorn new interception filter material body 3, carry out the technological effect of continuing the sample when even use process does not influence and continue to use the gauze mask. Meanwhile, the used mask can filter the exhaled air and prevent viruses in the individual from spreading outwards. Is particularly suitable for effectively protecting novel coronavirus with ultra-strong transmission capability. When the individual to be detected needs to be detected, the intercepting filter body 3 is conveniently taken out from the outer part of the cover body 1 and enters the medical test tube. The technical effects of collecting bacteria and germs in an isolated manner and collecting bacteria and germs in the continuous use of the mask are realized while the mask is used. The technical effect of directly placing the collected object in the test tube without touching and contacting safely during collection is achieved. Under the isolated state when not influencing using gauze mask, can collect interception filter material body, then adorn new interception filter material body, carry out the technological effect of continuous sample when even using process does not influence and continue to use the gauze mask. Meanwhile, the used mask can filter the exhaled air and prevent the viruses in the individual from spreading outwards. Is particularly suitable for effectively protecting novel coronavirus with ultra-strong transmission capability. As shown in fig. 1 and 10, external air is filtered from the outside of the filter module a and then enters the mouth and nose mask cavity of the mask body 1 for breathing, and exhaled air is exhausted from the exhaust passage 2 sequentially through the bacteria and germs collecting filter material 3 and the air outlet valve piece 4.

In summary, the actual samples of the present invention are prepared according to the description and the drawings, and after a plurality of usage tests, the effect of the usage tests proves that the present invention can achieve the expected purpose, and the practical value is undoubted. The above examples are given for the convenience of illustration of the invention. The present invention is not intended to be limited to the above embodiments, and those skilled in the art can easily understand that the technical features of the present invention can be modified and changed without departing from the scope of the present invention.

Claims

1. The utility model provides a bacterium and germ collection system, includes the cover body (1), cover body (1) is equipped with exhaust passage (2), its characterized in that: the exhaust passage (2) is also provided with a blocking filter body (3) for collecting bacteria and germs, and the blocking filter body (3) is detachably arranged in the exhaust passage (2).

2. The bacteria and germs collection device of claim 1, wherein: an air outlet valve plate (4) is arranged in the exhaust channel (2).

3. The bacteria and germs collection device of claim 1, wherein: the wall surface of the cover body (1) forms a through hole (11), and the exhaust channel (2) is detachably buckled in the through hole (11).

4. The bacteria and germs collection device of claim 3, wherein: the exhaust channel (2) comprises an air inlet end (21) at the inner end and an air outlet end (22) at the outer end, the outer wall surface of the exhaust channel (2) at the air inlet end is provided with a connecting ring groove (23) matched with the through hole, and the intercepting filter body (3) is detachably arranged between the air inlet end (21) and the air outlet end (22).

5. The bacteria and germs collection device of claim 4, wherein: the exhaust passage (2) is transversely provided with a square hole site (23) between the air inlet end (21) and the air outlet end (22), the side wall surface of one side of the square hole site (23) is provided with a pumping hole (24a) and a corresponding side setting groove (25), and the intercepting filter body (3) is detachably positioned on the positioning groove (25) through the pumping hole (24 a).

6. The bacteria and germs collection device of claim 4, wherein: a positioning hole (26) is arranged on the other side of the square hole (23) opposite to the material drawing opening (24a), and a material pushing shaft lever (27) is arranged in the positioning hole (26).

7. The bacteria and germs collection device of claim 1, wherein: the intercepting filter body (3) is adapted transversely to the air outlet channel (2) and comprises a support (31) and a collecting filter element (32) positioned therein.

8. The bacteria and germs collection device of claim 5 or 7, wherein: the intercepting filter body (3) is square and is matched with the square hole site (23).

9. The bacteria and germs collection device of claim 5, wherein: an outer plug (28) is arranged on the pumping port (24 a).

10. The bacteria and germs collection device of claim 4, wherein: the air inlet end (21) and the air outlet end (22) of the exhaust channel (2) are of split buckle structures, the outer wall surface of the exhaust channel (2) of the air inlet end is provided with a connecting ring groove (23) matched with the through hole, and the intercepting filter body (3) is detachably arranged in the axial direction between the air inlet end (21) and the air outlet end (22).

11. The bacteria and germs collection device of claim 10, wherein: intercepting filter body (3), including being columniform support (31) and gathering filter core (32), the support includes pillar (31a) and connects cap (31b), gathers filter core (32) one end location and is connecting cap (31b), and inlet end (21) inside is equipped with locating hole (21a), and the inside buckle hole (22a) that is equipped with of outlet end (22), pillar (31a) dismantled and assembled location are in buckle hole (22a), and gather filter core (32) one end location other end location in locating hole (21 a).

12. The bacteria and germs collection device of claim 10, wherein: an air outlet valve plate (4) is arranged on the end surface of an air outlet end (22) of the exhaust channel (2).

13. The bacteria and germs collection device of claim 5, wherein: a valve seat (22b) is arranged in an exhaust channel (2) of the air outlet end (22), an end cover (22c) is arranged on the outer end face of the air outlet end, and the air outlet valve plate (4) is positioned through the end cover (22c) and the valve seat (22 b).

14. The bacteria and germs collection device of claim 13, wherein: a plurality of outer air outlet holes (22d) are arranged on the side surface of the exhaust channel (2) between the end cover (22c) and the valve seat (22 b).

15. The external filtering protective mask according to claim 1, wherein: the cover body (1) is made of soft silica gel.

16. The external filtering protective mask according to claim 1, wherein: the width or the diameter of the intercepting filter body (3) is matched with that of the medical test tube.

17. The utility model provides a gauze mask with bacterium and germ are gathered which characterized in that: comprises an air inlet filter module (A) which is detachably arranged on the front side of a cover body (1) and also comprises a collection device of claims 1 to 11.

18. The mask with bacteria and germs collection function as claimed in claim 17, wherein: the exhaust passage (2) is provided at the lower side of the cover body (1).