CN204653855U - Protective environmental protection mask - Google Patents

Abstract

The utility model discloses a protective environment-friendly mask, which comprises a mask frame, a silica gel pad, an inhalation valve, an exhalation valve and a fixing band, wherein the mask frame is provided with a first accommodating groove and a second accommodating groove, and the first accommodating groove is positioned above the second accommodating groove; the silica gel pad is arranged on the mask frame, and a folding part is arranged on the silica gel pad; the suction valve is arranged in the first accommodating groove and comprises a filter box, a mucosa filter disc and a mucosa filter disc cover, wherein the filter box comprises a shell, a first filter disc and a second filter disc; the mucosa filter disc is arranged on the inner side of the shell, and the mucosa filter disc cover is covered on the mucosa filter disc; the exhalation valve is arranged in the second accommodating groove and comprises an exhalation adjusting plate and an exhalation cover, the exhalation adjusting plate can be arranged in the second accommodating groove in a floating mode, and the exhalation cover is arranged on the outer side of the second accommodating groove; the fixing straps are connected to both sides of the mask frame. Therefore, the silica gel pad, the inhalation valve and the exhalation valve are arranged in the mask, so that inhaled air is purified, and the guarantee is provided for the body health of people.

Description

Protective environmental protection mask

technical field

The utility model relates to the technology in the field of environmental protection equipment, in particular to a protective environmental protection mask.

Background technique

Masks are an effective tool to prevent harmful microorganisms, pollutants, etc. from spreading through the respiratory tract. The defect of the current mask is: the protective effect is not complete, even if the high-filtering material is used, because of the large gap around the mask, harmful substances in the air can enter in large quantities; the use of protective masks is time-sensitive, according to the degree of air pollution and It depends on the material condition, one-time use, generally use for 40 hours, must not be used for a long time. The current practical situation is that many times and long-term use is common, the air in the protective mask cannot circulate, and the discarding of the mask after use is not conducive to environmental protection and causes waste. Therefore, the existing masks should be improved to solve the above problems.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a protective environmental protection mask. By setting a silica gel pad, an inhalation valve and an exhalation valve in the mask, the air inhaled by the wearer can be It is filtered layer by layer to achieve the purpose of purifying the air. At the same time, it can effectively prevent unfiltered air from entering the mask, thereby providing protection for people's health.

In order to achieve the above object, the utility model adopts the following technical solutions:

A protective environment-friendly mask, which includes a mask frame, a silica gel pad, an inhalation valve, an exhalation valve and a fixing belt. The mask frame is recessed with a first accommodating groove and a second accommodating groove with air holes. The first accommodating groove is located above the second accommodating groove; the silicone pad is installed on the rear side edge of the mask frame, and a folded part for being closely attached to the face is arranged on the silicone pad; the inhalation valve is installed on the above-mentioned first In the accommodating tank, it includes a filter box, a mucous membrane filter and a mucous membrane filter cover, the filter box includes a housing with air holes and a replaceable first filter and a second filter installed in the housing; the mucous membrane filter Installed on the inner side of the housing of the filter box, the mucous membrane filter is covered on the mucous membrane filter; the exhalation valve is installed in the second accommodating tank, which includes an exhalation adjustment plate and an exhalation cover, and the outer wall of the exhalation adjustment plate Matching with the inner wall of the second accommodating slot, the exhalation adjustment plate can be installed in the second accommodating slot floatingly with the airflow, and the exhalation mask is installed outside the second accommodating slot; the fixing belt is connected to both sides of the mask frame side.

As a preferred solution: the housing of the filter box includes a bottom shell and an upper cover, the first filter is an activated carbon cloth filter, the second filter is an N95 cloth filter, and the first filter is installed on the bottom Inside the shell, the second filter is installed at the inner opening of the bottom shell, and the upper cover is placed on the bottom shell.

As a preferred solution: a fixed column is vertically arranged in the second accommodating tank, a fixed hole is arranged on the exhalation mask corresponding to the fixed column, a through hole is arranged on the exhalation regulating plate, and the top of the fixed column passes through through the through hole and placed in the fixing hole.

As a preferred solution: the upper end of the mucous membrane filter of the suction valve is provided with a protrusion, and the lower end is provided with a buckle; the upper end of the first accommodation tank is provided with a groove corresponding to the protrusion, and the lower end is provided with a corresponding buckle. The clamping part, the protrusion is embedded in the groove, the buckle is clamped on the clamping part, and a step is provided on the inner wall of the first accommodating groove, and a boss is provided on the outer wall of the housing of the filter box. The stage is clamped on the step, and a sealing ring is arranged between the boss and the step.

As a preferred solution: the mask frame is provided with a connecting portion for connecting the fixing belt.

As a preferred solution: a cloth mask is also provided outside the mask frame, and the cloth mask includes a main body and a PM2.5 core filter and a replaceable filter installed on the inside of the main body in sequence.

As a preferred solution: the lower edge of the main body is provided with ventilation openings.

As a preferred solution: the mask frame is also provided with an oxygen interface and an oxygen interface cover, an oxygen tube is connected to the oxygen interface, and an electronic portable filter or an oxygen cylinder is connected to the oxygen tube.

As a preferred solution: the fixing belt is provided with Velcro for adjusting the length of the fixing belt.

As a preferred solution: the mask frame is PC glue, and the silica gel pad is food-grade silica gel.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above-mentioned technical scheme that the sealing of the mask is improved by making the contact part between the mask and the human face made of silica gel, and at the same time, the breathing The air valve is set in a one-way air outlet mode, thereby effectively preventing external unfiltered air from entering the mask, and an inhalation valve with N95 cloth filter, activated carbon cloth filter and mucous membrane filter is set in the mask to control the inhaled air. Filtration improves the quality of the inhaled air. Therefore, the mask has a good function of purifying the air, and can filter the air inhaled by people in the case of smoggy weather or heavy air pollution, so as to provide protection for people's health.

In order to more clearly illustrate the structural features and functions of the utility model, it will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the mouth mask schematic diagram that has cloth mouth mask and electronic portable filter of the utility model;

Fig. 2 is the mouth mask schematic diagram that has cloth mouth mask and oxygen bottle of the utility model;

Figure 3 is an exploded schematic view of Figure 1;

Fig. 4 is the exploded schematic view of the mouth mask of the present utility model;

Fig. 5 is an exploded schematic diagram of another viewing angle of the mask of the present invention;

Fig. 6 is a schematic cross-sectional view at A-A of Fig. 5;

Figure 7 is an exploded schematic view of the suction valve of the present invention;

Figure 8 is a schematic diagram of further decomposition of the suction valve of the present invention;

Fig. 9 is a schematic diagram of air flow on the mucosal filter of the present invention;

Figure 10 is an exploded schematic view of the exhalation valve of the present invention;

Fig. 11 is a schematic diagram of the inner side of the mask frame of the present invention;

Figure 12 is a three-dimensional schematic diagram of a cloth mask of the present invention.

Explanation of the accompanying drawings :

10. Mask frame 11. The first storage tank

111. Groove 112. Clamping part

113. Steps 12. The second storage tank

121. Fixed column 13. Connecting part

14. Oxygen interface 15. Oxygen interface cover

20. Silicone pad 21. Folding part

30. Suction valve 31. Filter box

311. Shell 3111. Bottom shell

3112. Upper cover 3113. Boss

312. The first filter 313. The second filter

32. Mucosa filter 321. Bump

322. Buckle 323. Notch

324. Deflector 325. Airway

33. Mucous membrane filter cover 34. Sealing ring

40. Exhalation valve 41. Exhalation adjustment board

411. Through hole 42. Exhalation hood

421. Fixing hole 50. Fixing belt

51. Velcro 60. Cloth mask

61. Ventilation opening 70. Oxygen tube

80. Electronic portable filter 90. Oxygen cylinder.

Detailed ways

As shown in Figures 1 to 12 of the present utility model, a protective environmental protection mask includes a mask frame 10, a silica gel pad 20, an inhalation valve 30, an exhalation valve 40 and a fixing belt 50, wherein:

The mask frame 10 is PC glue, and it is recessed with a first accommodating groove 11 and a second accommodating groove 12 with air holes. Connecting portions 13 for connecting the fixing belt 50 are provided on both sides respectively. The mask frame 10 is of an improved design and is lighter overall.

The silicone pad 20 is food-grade silica gel, which can be in direct contact with the skin. It is environmentally friendly, non-toxic and safe, has excellent colorability, weather resistance, fatigue resistance and temperature resistance, and is soft to the touch. The silicone pad 20 is installed on the mask On the rear edge of the frame 10, a folded part 21 for closely attaching to the face is provided on the silicone pad 20. The folded part 21 is a double-layer cover body folded inward, and the double-layer smooth round surface is in contact with the skin. For added comfort, it has a large surface area in contact with the skin for an increased seal.

The suction valve 30 is installed in the above-mentioned first accommodating tank 11, and it includes a filter box 31, a mucous membrane filter 32, a mucous membrane filter cover 33 and a sealing ring 34. The filter box 31 includes a housing 311 with air holes and an installation The first filter 312 and the second filter 313 that can be replaced within 3-7 days in the housing 311, the housing 311 includes a bottom shell 3111 and an upper cover 3112, the first filter 312 is an activated carbon cloth filter, the second The second filter 313 is an N95 cloth filter, and the first filter 312 is installed in the bottom shell 3111, the second filter 313 is installed in the inner opening of the bottom shell 3111, and the upper cover 3112 is covered on the bottom shell 3111; The mucous membrane filter 32 is installed inside the casing 311 of the filter box 31. The mucous membrane filter cover 33 is covered on the mucous membrane filter 32. The mucous membrane filter 32 has the function of super-blocking and effectively filtering particulates. Enter the breach 323 between the mucous membrane filter 32 and the mucous membrane filter cover 33, and a plurality of vertical deflectors 324, after the air enters through the breach 323, it flows along the air channel 325 formed by the deflectors. During the process, PM2.5 particles are adsorbed to block the particles; and the upper end of the mucosal filter 32 is provided with a bump 321, and the lower end is provided with a buckle 322; the upper end of the above-mentioned first accommodation tank 11 corresponds to the bump 321 is provided with a groove 111, and the lower end is provided with a holding part 112 corresponding to the buckle 322. The protrusion 321 is embedded in the groove 111, and the buckle 322 is stuck on the holding part 112. The buckle assembly design makes the mucous membrane The installation and disassembly of the filter disc 32 is convenient and fast, and the replacement is more economical. In addition, a step 113 is provided on the inner wall of the first accommodating tank 11, and a boss 3113 is provided on the outer wall of the housing 311 of the filter box 31, and the boss 3113 snaps into place. On the step 113; the sealing ring 34 is set between the boss 3113 and the step 113, effectively improving the sealing between the suction valve 30 and the first accommodating groove 11; the suction valve 30 is designed as a large suction valve , Inhale more smoothly.

The exhalation valve 40 is installed in the second accommodating tank 12. The exhalation valve 40 is a one-way exhalation valve, which is closed when inhaling and opened when exhaling. It includes an exhalation regulating plate 41 and an exhalation cover 42. The outer wall of the exhalation regulating plate 41 matches the inner wall of the second accommodating groove 12. The exhalation cover 42 is made of ABS material, and it is installed on the outside of the second accommodating groove 12. In the second accommodating groove 12, a The fixed column 121 is provided with a fixed hole 421 corresponding to the fixed column 121 on the exhalation mask 42, and a through hole 411 is arranged on the exhalation regulating plate 41, and the top of the fixed column 121 passes through the through hole 411 and is placed in the fixed hole 421 , the exhalation adjustment plate 41 can be installed on the fixed column 121 in a floating manner with the air flow; the exhalation valve 40 is located below the inhalation valve 30, which is convenient for discharging hot and humid exhalation downward without affecting the line of sight; the exhalation valve 40 is a large Exhalation valve design, more smooth exhalation, exhalation valve 40 is easy to install and disassemble, and replacement is more economical.

The fixing belt 50 is connected to the connecting parts 13 on both sides of the mask frame 10. The fixing belt 50 is a Velcro belt with adjustable length, and the fixing belt 50 is provided with a Velcro 51 for adjusting the length. The length of the knot can be easily adjusted, and it is convenient to wear and take off. There will be no discomfort when worn for a long time.

In the second embodiment of the utility model, a cloth mask 60 is also arranged on the outside of the above-mentioned mask frame 10, and the two ends of the above-mentioned fixing belt 50 are respectively connected to both sides of the main body 61, and the lower edge of the cloth mask 60 is provided with a ventilation opening 61. The design with ventilation opening 61 can ensure smooth air flow, smooth breathing, eliminate stuffy feeling when wearing, and can be cleaned and used repeatedly; and the cloth mask 60 is a new three-dimensional structure, which can ensure that there is a certain gap between the mouth and the mask. Do not hinder speech.

In the third embodiment of the utility model, the above-mentioned mask frame 10 is not only provided with a cloth mask 60, but also provided with an oxygen interface 14 and an oxygen interface cover 15 made of food-grade silica gel, and an oxygen tube 70 is connected to the oxygen interface 14. , is connected with electronic portable filter 80 on the oxygen tube 70, and this oxygen interface 15 design is convenient for diversified use, when external air is unsuitable for inhaling, adopts electronic portable filter 80 to breathe oxygen.

In the fourth embodiment of the present utility model, the above-mentioned mask frame 10 is not only provided with a cloth mask 60, but also provided with an oxygen interface 14 and an oxygen interface cover 15 made of food-grade silica gel, and an oxygen tube 70 is connected to the oxygen interface 14. , is connected with oxygen bottle 90 on oxygen tube 70, and this oxygen interface 15 designs, is convenient to diversification use, when external air should not be inhaled, adopts oxygen bottle 90 to supply oxygen.

The principle of the utility model is as follows: after putting on the mask, the air is sucked by the suction valve 30, and the external air is filtered layer by layer through the N95 cloth filter 312, the activated carbon cloth filter 313 and the mucous membrane filter 32, and the fine particles and toxic gases in the air are removed. Filter out, when exhaling, the airflow flows downwards and pushes the exhalation regulating plate 41 to flow out of the mouth mask. Air flows into the mask; in the second embodiment, a cloth mask 60 is added to the outside of the mask, and the external air is filtered through the PM2.5 core filter 62 and the replaceable filter 63 in the cloth mask, and then through the suction valve 30 Enter in the mouth mask; The third embodiment is to increase the oxygen interface 14, the oxygen interface cover 15, the oxygen tube 70 and the electronic portable filter 80 connected on the oxygen tube 70 on the basis of the second embodiment, the user can not only pass through the mouth mask Breathe outside air, also can directly breathe oxygen through electronic portable filter 80, realize the diversity of breathing mode.

The key point of the design of the utility model is to improve the airtightness of the mask by making the contact part of the mask and the human face with silica gel material, and at the same time, set the exhalation valve as a one-way air outlet mode, thereby effectively preventing external unfiltered air from entering Inside the mask, an inhalation valve with N95 cloth filter, activated carbon cloth filter and mucous membrane filter is installed in the mask to filter the inhaled air, which improves the inhaled air quality. Therefore, the mask has a good function of purifying the air, and can filter the air inhaled by people in the case of smoggy weather or heavy air pollution, so as to provide protection for people's health.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and equivalent changes made to the above embodiments according to the technical essence of the present utility model Modifications still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a protection type environmental protection mouth mask, it is characterized in that: include mask frame, silicagel pad, inlet valve, outlet valve and fixed band, this mask frame is concaved with the first storage tank and the second storage tank with pore, this first storage tank is positioned at the second storage tank top; This silicagel pad is installed on mask frame back side edge along upper, is provided with the folding part for adhereing well to face in silicagel pad; This inlet valve is installed in above-mentioned the first storage tank, and it comprises filter cartridge, mucous membrane filter disc and mucous membrane filter disc lid, and this filter cartridge comprises the housing with pore and is installed on removable filter,primary and the second filter disc in housing; This mucous membrane filter disc is installed on the case inside of filter cartridge, and this mucous membrane filter disc lid is placed on mucous membrane filter disc; This outlet valve is installed in the second storage tank, it comprises expiration adjustable plate and the cover of exhaling, this expiration adjustable plate outer wall and the second storage tank inwall match, and this expiration adjustable plate can be installed in the second storage tank with air-flow is floating type, and this expiration cover is installed on the second storage tank outside; This fixed band is connected in mask frame both sides.

2. protection type environmental protection mouth mask according to claim 1, it is characterized in that: the housing of described filter cartridge comprises drain pan and upper cover, above-mentioned filter,primary is active carbon cloth filter disc, the second filter disc is N95 cloth filter disc, and this filter,primary is installed in drain pan, the second filter disc is installed on opening part inside drain pan, and this upper cover is placed on drain pan.

3. protection type environmental protection mouth mask according to claim 1, it is characterized in that: in described the second storage tank, be vertically provided with a fixed leg, cover a fixing hole should be provided with fixed leg in exhaling, on expiration adjustable plate, be provided with a through hole, fixed leg top is placed in fixing hole through this through hole.

4. protection type environmental protection mouth mask according to claim 1, is characterized in that: the mucous membrane filter disc upper end of described inlet valve is provided with projection, and lower end is provided with buckle; The corresponding projection in upper end of described the first storage tank is provided with groove, the corresponding buckle in lower end is provided with holding section, this projection is embedded in groove, buckle is stuck on holding section, and be provided with step on the first storage tank inwall, on the housing exterior walls of filter cartridge, be provided with boss, this boss is stuck on step, and is provided with sealing ring between boss and step.

5. protection type environmental protection mouth mask according to claim 1, is characterized in that: on described mask frame, be provided with the connecting portion for being connected and fixed band.

6. protection type environmental protection mouth mask according to claim 1, is characterized in that: described mask frame outside is also provided with a lint face mask, and this lint face mask comprises main part and is installed on PM2.5 core filter disc and the replaceable filter disc of main part inner side successively.

7. protection type environmental protection mouth mask according to claim 6, is characterized in that: described main part lower edge is provided with gas-permeable openings.

8. protection type environmental protection mouth mask according to claim 6, it is characterized in that: on described mask frame, be also provided with oxygen interface and oxygen interface lid, on oxygen interface, be connected with oxygen hose, on oxygen hose, be connected with Electron portable filter or oxygen cylinder.

9. protection type environmental protection mouth mask according to claim 1, is characterized in that: on described fixed band, be provided with the VELCRO for regulating fixed band length.

10. protection type environmental protection mouth mask according to claim 1, it is characterized in that: described mask frame is PC glue, silicagel pad is food grade silicone.