CN219700866U - Safety mask for harmful gas - Google Patents
Safety mask for harmful gas Download PDFInfo
- Publication number
- CN219700866U CN219700866U CN202321097262.5U CN202321097262U CN219700866U CN 219700866 U CN219700866 U CN 219700866U CN 202321097262 U CN202321097262 U CN 202321097262U CN 219700866 U CN219700866 U CN 219700866U
- Authority
- CN
- China
- Prior art keywords
- cover body
- fixedly connected
- face cover
- pipe
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 18
- 230000001815 facial effect Effects 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 210000003128 head Anatomy 0.000 description 9
- 210000001508 eye Anatomy 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a safety mask for harmful gas, relates to the field of masks, and aims to solve the problem that the wearing comfort of the conventional safety mask is poor. Including the face cover body, two sets of elastic bands are detachably connected with one side of the face cover body, one side fixedly connected with of the face cover body with the inside breathing pipe that is linked together of face cover body, through the setting of coupling hose, filter box and active carbon filter core, when this face guard is used to the user, outside air can get into the inside of filter box through with first air vent, then filter through the active carbon filter core and purify the inside of back through second check valve and internal thread pipe discharge coupling hose, then discharge the inside of the face cover body through the coupling hose water conservancy diversion, so that the user inhales clean nontoxic air, because whole filtration and the setting of face cover body components of a whole body, thereby effectively reduced the whole gravity of the face cover body, reduced the heavy burden sense when the user wears, the travelling comfort of wearing of user is improved.
Description
Technical Field
The utility model relates to the field of masks, in particular to a safety mask for hazardous gases.
Background
The protective mask is a common protective tool used for protecting respiratory organs, eyes and faces of people when being worn on the head, and can prevent toxic substances such as toxic gas, dust, bacteria, toxic harmful gas or steam and the like from damaging human bodies. The method is widely applied to the fields of petroleum, chemical industry, mine, metallurgy, military, fire protection, rescue and relief work, sanitation and epidemic prevention and the like, and plays an important role in protecting the respiratory system of human bodies.
Current safety masks, as described in the patent of publication number CN212260565U, include a main body, a cover plate, a filter cloth, a fixed headband, and a fixed neckband; the main body comprises a eye protection part and a mask part, and the eye protection part and the mask part are integrally formed by adopting an injection molding process; the middle part of the outer side of the mask part is provided with a filter tank, and the bottom of the filter tank is provided with a plurality of ventilation holes and filter cloth disassembly holes; the cover plate is used for fixing the filter cloth on the filter tank; the fixed head band and the fixed neck band are connected to the two sides of the side edge of the main body and are used for defining the mask to the head of a user; the edge around the main part is connected with the sealing edge, and the sealing edge middle part still is equipped with the isolating edge, and the protecting eye portion of main part inboard and gauze mask portion divide into two cavities with the isolating edge.
With respect to the above related art, the inventor considers that the filtering structures such as the cover plate and the filter cloth are all mounted on the main body, which results in heavy weight of the whole mask, thereby resulting in obvious facial load feeling and poor wearing comfort of the user when wearing the mask.
Disclosure of Invention
In order to solve the problem of poor wearing comfort of the conventional safety protective mask, the utility model provides a harmful gas safety protective mask.
The utility model provides a safety mask for harmful gas, which adopts the following technical scheme:
the utility model provides a harm gas safety mask, includes the face cover body, two sets of elastic belts of being connected with can be dismantled to one side of the face cover body, one side fixedly connected with of the face cover body with the breathing pipe that is linked together in the face cover body, the breathing pipe is kept away from the one end fixedly connected with coupling hose that is linked together of the face cover body, coupling hose is kept away from the breathing pipe can dismantle and be connected with the second check valve, the second check valve is kept away from the one end fixedly connected with of coupling hose is linked together's filter box, the spacing network management of interior roof fixedly connected with of filter box, the inside fixedly connected with spacing collar of spacing network management, the bottom butt of spacing collar has the active carbon filter core, the bottom butt of active carbon filter core has the bottom plate, the bottom plate with the inside evenly offered with spacing network management with the corresponding first air vent in region between the filter box, the gas vent is seted up to one side of the face cover body, the inside of gas vent be equipped with the first check valve of face cover body fixedly connected with.
Through adopting above-mentioned technical scheme, when the user uses this face guard, outside air can get into the inside of filter box through with first air vent, then filter through the active carbon filter core and purify the inside of back through second check valve and internal thread pipe row income coupling hose, but through coupling hose water conservancy diversion the inside of the facial cover body of discharging, so that the user inhales clean nonhazardous air, because whole filtration and the components of a whole that can function independently setting of facial cover body, thereby effectively reduced the whole gravity of the facial cover body, reduced the heavy burden sense when the user wears, the travelling comfort of improving the user and wearing.
Optionally, the both sides of the face cover body are all symmetrical fixedly connected with screw rods, two sets of inside of elastic cord has evenly been seted up the through-hole, the screw rod runs through the through-hole, the outside of each set of screw rod is all threaded connection has the nut.
Through adopting above-mentioned technical scheme, the setting of through-hole is used for supplying the screw rod to run through for the user can be according to the size selection of own head circumference with the inside of screw rod insertion different through-holes, wear the use with the wearer of adaptation different head circumference sizes.
Optionally, the connecting hose is kept away from the one end fixedly connected with internal thread pipe of breathing pipe, internal thread pipe with the one end threaded connection of second check valve kept away from the filtration box.
Through adopting above-mentioned technical scheme, the setting of internal thread pipe is convenient for dismantle the separation with second check valve and coupling hose.
Optionally, a hook is fixedly connected with one side of the top of the filter box.
Through adopting above-mentioned technical scheme, the setting of couple is convenient for carry out the hook to the filter cassette and wear.
Optionally, a threaded ring is fixedly connected to the outer side of the bottom plate, and the threaded ring is in threaded connection with the outer side of the filter box.
Through adopting above-mentioned technical scheme, the setting of screwed ring is used for can dismantling the bottom plate when the outside of spiral shell play filter cartridge to be convenient for dismantle the change to the active carbon filter core.
Optionally, the outside fixedly connected with of filter cassette supports the ring, the bottom fixedly connected with sealing washer that supports the ring, the sealing washer with the roof butt of screw thread ring.
Through adopting above-mentioned technical scheme, the setting of sealing washer is used for sealing the space between support ring and the screwed ring.
Optionally, the outer wall of the filter box is uniformly provided with second air holes.
Through adopting above-mentioned technical scheme, the setting of second gas pocket is used for supplying outside air to get into the inside of filter cartridge to reduce the probability that outside air can't get into the inside of filter cartridge when first gas pocket blocks up.
Optionally, a silica gel sealing edge is fixedly connected with one side edge of the face cover body.
Through adopting above-mentioned technical scheme, the setting of silica gel sealing edge is used for laminating with the face of wearer to reduce the inside probability of outside air entering face cover body through the space between the face cover body and the face skin of wearer.
In summary, the beneficial effects of the utility model are as follows:
according to the face mask, through the arrangement of the connecting hose, the filter box and the active carbon filter element, when a user uses the face mask, external air can enter the filter box through the first air hole, then is filtered and purified through the active carbon filter element and then is discharged into the connecting hose through the second one-way valve and the internal thread pipe, and is discharged into the face mask body through the guide of the connecting hose, so that the user can conveniently suck clean and nontoxic air.
Drawings
FIG. 1 is a side view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the filter cartridge of the present utility model;
FIG. 3 is a cross-sectional view of the facial mask structure of the present utility model;
fig. 4 is a top view of the elastic construction of the present utility model.
Reference numerals illustrate: 1. a face mask body; 2. a silica gel sealing edge; 3. an elastic band; 4. a screw; 5. a through hole; 6. a nut; 7. an air suction pipe; 8. a connecting hose; 9. an exhaust port; 10. a first one-way valve; 11. an internally threaded tube; 12. a second one-way valve; 13. a filter box; 14. a support ring; 15. a threaded ring; 16. limiting a network manager; 17. a limiting ring; 18. an activated carbon filter element; 19. a second air hole; 20. a bottom plate; 21. a first air hole; 22. a seal ring; 23. a hook.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1-3, a hazard gas safety shield includes a face mask body 1, the face mask body 1 being configured to cover the mouth and nose of a user. One side edge fixedly connected with silica gel sealing edge 2 of face cover body 1, the setting of silica gel sealing edge 2 is used for laminating with the face of wearer to reduce the probability that outside air gets into the inside of face cover body 1 through the space between face cover body 1 and the face skin of wearer. One side of the face mask body 1 is detachably connected with two groups of elastic bands 3, and the elastic bands 3 are used for being hooped on the head of a user when the face mask is worn so as to fix the face mask body 1. An exhaust port 9 is formed in one side of the face cover body 1, a first one-way valve 10 fixedly connected with the face cover body 1 is arranged in the exhaust port 9, the first one-way valve 10 is used for utilizing one-way ventilation of the face cover body 1, external air can be prevented from passing through the first one-way valve 10, the face cover body 1 is further internally, and air exhaled by a user can be exhausted through the first one-way valve 10.
Referring to fig. 1 and 4, two screws 4 are symmetrically and fixedly connected to two ends of the outer side of the face mask body 1, a plurality of through holes 5 are formed in two ends of the two groups of elastic bands 3, the screws 4 penetrate through the through holes 5, the through holes 5 are used for allowing the screws 4 to penetrate through, so that a user can insert the screws 4 into the through holes 5 according to the head circumference of the user, and wearing of the wearer with different head circumference sizes is adapted. The outside of each group of screw rods 4 is connected with a nut 6 in a threaded manner, and the nut 6 is used for limiting the elastic band 3 so as to reduce the separation of the screw rods 4 from the inside of the through holes 5.
Referring to fig. 1, an air suction pipe 7 communicating with the interior of the face mask 1 is fixedly connected to one side of the face mask 1, and the air suction pipe 7 is provided to pour air into the interior of the face mask 1. One end of the air suction pipe 7 far away from the face cover body 1 is fixedly connected with a connecting hose 8 which is communicated with the air suction pipe, and the connecting hose 8 is used for guiding air. The end of the second one-way valve 12, which is far away from the connecting hose 8, is fixedly connected with a filter box 13 which is communicated with the connecting hose 8, the connecting hose 8 is far away from the air suction pipe 7, the second one-way valve 12 is detachably connected with the connecting hose 8, and the arrangement of the second one-way valve 12 is used for preventing the exhaled air of a user from being discharged through the connecting hose 8 by utilizing the one-way fluxion property of the second one-way valve 12. One end of the connecting hose 8, which is far away from the air suction pipe 7, is fixedly connected with an internal thread pipe 11, one end of the internal thread pipe 11, which is far away from the filter box 13, is in threaded connection with the second one-way valve 12, and the arrangement of the internal thread pipe 11 is convenient for disassembling and separating the second one-way valve 12 from the connecting hose 8.
Referring to fig. 1-2, a hook 23 is fixedly connected to one side of the top of the filter box 13, and the hook 23 is convenient for hooking and wearing the filter box 13. The internal top wall of the filter box 13 is fixedly connected with a limiting net pipe 16, the inside of the limiting net pipe 16 is fixedly connected with a limiting ring 17, the bottom of the limiting ring 17 is abutted with an activated carbon filter element 18, and the limiting ring 17 is used for limiting the activated carbon filter element 18. The bottom of the activated carbon filter 18 is abutted with a bottom plate 20, and the activated carbon filter 18 is used for filtering and purifying the outside air. The bottom plate 20 is detachably connected with the filter box 13, first air holes 21 corresponding to the area between the limiting net pipe 16 and the filter box 13 are uniformly formed in the bottom plate 20, and the first air holes 21 are formed so that external air can enter the filter box 13 conveniently.
Referring to fig. 1-2, the outer wall of the filter box 13 is uniformly provided with second air holes 19, and the second air holes 19 are configured to allow external air to enter the filter box 13, so as to reduce the probability that the external air cannot enter the filter box 13 when the first air holes 21 are blocked. The outside fixedly connected with screwed ring 15 of bottom plate 20, screwed ring 15 threaded connection is in the outside of filter cartridge 13, and screwed ring 15's setting is used for can dismantle bottom plate 20 when the outside of spiral shell play filter cartridge 13 to be convenient for dismantle the change to active carbon filter core 18. The outside fixedly connected with support ring 14 of filter cartridge 13, the bottom fixedly connected with sealing washer 22 of support ring 14, sealing washer 22 and the roof butt of screwed ring 15, the setting of sealing washer 22 is used for sealing the space between support ring 14 and the screwed ring 15.
The implementation principle of the utility model is as follows:
when the face mask body 1 is used, the mouth and the nose of a user are covered, the elastic band 3 is hooped on the head of the user by utilizing the elasticity of the elastic band, when the user inhales in a region with harmful gas in a factory, the negative pressure is formed inside the face mask body 1 and the connecting hose 8, the second one-way valve 12 is opened, external air enters the inside of the filter box 13 through the second air hole 19 and the first air hole 21, then is filtered and purified through the activated carbon filter element 18, is discharged into the inside of the connecting hose 8 through the second one-way valve 12 and the internal thread tube 11, is guided and discharged into the inside of the face mask body 1 through the connecting hose 8, so that the user can inhale clean and nontoxic air, and when the user exhales, high pressure is formed inside the face mask body 1, the second one-way valve 12 is closed, the first one-way valve 10 is opened, and the gas exhaled by the user can be discharged through the first one-way valve 10.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a harm gas safety mask, includes facial cover body (1), one side of facial cover body (1) can be dismantled and be connected with two sets of elastic bands (3), its characterized in that: one side fixedly connected with of face cover body (1) with breathing pipe (7) that the inside of face cover body (1) is linked together, breathing pipe (7) are kept away from the one end fixedly connected with of face cover body (1) is linked together coupling hose (8), coupling hose (8) are kept away from breathing pipe (7) can dismantle and be connected with second check valve (12), second check valve (12) are kept away from filter cartridge (13) that one end fixedly connected with of coupling hose (8) is linked together, the interior roof fixedly connected with spacing web pipe (16) of filter cartridge (13), the inside fixedly connected with spacing collar (17) of spacing web pipe (16), the bottom butt of spacing collar (17) has active carbon filter core (18), the bottom butt of active carbon filter core (18) has bottom plate (20), bottom plate (20) with filter cartridge (13) can dismantle and be connected, the inside of bottom plate (20) evenly set up with spacing web pipe (16) with the one end fixedly connected with filter cartridge (13) is linked together, the inside of face cover body (1) is equipped with spacing vent (9) of face cover (1), one side vent (9).
2. The hazard gas safety shield according to claim 1, wherein: the face cover body is characterized in that screws (4) are symmetrically and fixedly connected to two sides of the face cover body (1), through holes (5) are uniformly formed in the elastic bands (3) in two groups, the screws (4) penetrate through the through holes (5), and nuts (6) are in threaded connection with the outer sides of the screws (4) in each group.
3. The hazard gas safety shield according to claim 1, wherein: one end of the connecting hose (8) far away from the air suction pipe (7) is fixedly connected with an internal thread pipe (11), and the internal thread pipe (11) is in threaded connection with one end of the second one-way valve (12) far away from the filter box (13).
4. The hazard gas safety shield according to claim 1, wherein: a hook (23) is fixedly connected to one side of the top of the filter box (13).
5. The hazard gas safety shield according to claim 1, wherein: the outside fixedly connected with screwed ring (15) of bottom plate (20), screwed ring (15) threaded connection in the outside of filter cartridge (13).
6. The hazard gas safety shield according to claim 5, wherein: the outside fixedly connected with of filter cassette (13) supports ring (14), the bottom fixedly connected with sealing washer (22) of supporting ring (14), sealing washer (22) with the roof butt of screwed ring (15).
7. The hazard gas safety shield according to claim 1, wherein: second air holes (19) are uniformly formed in the outer wall of the filter box (13).
8. The hazard gas safety shield according to claim 1, wherein: one side edge of the face cover body (1) is fixedly connected with a silica gel sealing edge (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097262.5U CN219700866U (en) | 2023-05-08 | 2023-05-08 | Safety mask for harmful gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097262.5U CN219700866U (en) | 2023-05-08 | 2023-05-08 | Safety mask for harmful gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219700866U true CN219700866U (en) | 2023-09-19 |
Family
ID=87998582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321097262.5U Active CN219700866U (en) | 2023-05-08 | 2023-05-08 | Safety mask for harmful gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219700866U (en) |
-
2023
- 2023-05-08 CN CN202321097262.5U patent/CN219700866U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |