CN212817681U

CN212817681U - Double-breathing valve port cover

Info

Publication number: CN212817681U
Application number: CN202021211281.2U
Authority: CN
Inventors: 洪江基; 王一军; 李玉平
Original assignee: Dongguan Hongyang Industrial Co ltd
Current assignee: Dongguan Hongyang Industrial Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-30
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a double-breather valve mask, which adopts the technical scheme that the mask comprises a mask body, wherein an air inlet channel and an air outlet channel are arranged on the mask body, and the air inlet channel is provided with an air supply assembly and a filtering assembly; the cover body is provided with the silica gel sealing washer towards one side detachably of face, the silica gel sealing washer with the cover body encloses to establish and is formed with respiratory cavity, respiratory cavity communicate in inlet channel. The technology makes the mask and the face of the wearer have better fitting effect, and improves the protection effect of the mask.

Description

Double-breathing valve port cover

Technical Field

The utility model relates to a gauze mask field, more specifically says, it relates to a two breather valve gauze masks.

Background

Along with the rapid development of society, people's health, life, trip are seriously influenced to abominable haze weather day by day, cause a great deal of inconvenience for our life, for people's is healthy, a lot of various antifog haze gauze masks have appeared on the market, prevent the harm that the haze caused to people is healthy.

At present, common masks, such as sterilization masks, cotton masks, activated carbon masks and N95 masks and KN90 masks are available in the market, however, the common masks, the cotton masks and the activated carbon masks have no effect on preventing PM2.5, and the existing masks for preventing PM2.5 are easy to cause discomfort such as difficulty in breathing, sultriness and the like due to overlong wearing time. In order to improve the comfort degree when wearing the mask, the design of a breather valve is added on the mask, and the breathing environment in the cavity of the mask is adjusted through the breather valve.

However, the haze prevention mask on the market is not tightly attached to the face of different wearers in the shape design, so that part of harmful gas can enter the mask.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a two breather valve gauze masks for gauze mask is better with the laminating effect of the person's of wearing face, improves the protective effect of gauze mask.

The utility model discloses a technical scheme realize like this: a double-breather-valve mask comprises a mask body, wherein an air inlet channel and an air outlet channel are arranged on the mask body, and the air inlet channel is provided with an air supply assembly and a filtering assembly; the cover body is provided with the silica gel sealing washer towards one side detachably of face, the silica gel sealing washer with the cover body encloses to establish and is formed with respiratory cavity, respiratory cavity communicate in inlet channel.

Through adopting foretell technical scheme, when the person of wearing, the cover body has one side orientation person of wearing's face of silica gel sealing washer to make person of wearing's face and silica gel sealing washer laminating, the in-process of wearing utilizes the elastic action of silica gel sealing washer, so that the inseparable laminating of face of silica gel sealing washer and person of wearing, make external harmful gas can't get into the breathing chamber from between the border of the cover body and person of wearing's face, improve the protective effect of gauze mask.

As a further improvement, one side of the silica gel sealing ring is provided with a connecting portion, the connecting portion are provided with a hook, the cover body is provided with a joint matched with the hook groove of the hook.

Through adopting foretell technical scheme, cooperate through pothook and hook groove joint between connecting portion and the cover body to install the silica gel sealing washer on the cover body.

As a further improvement, the connecting portion face the locating hole has been seted up to one side of the cover body, be provided with on the cover body peg graft cooperate in the reference column of locating hole.

Through adopting foretell technical scheme, the cooperation of reference column and locating hole to in fixing a position connecting portion, and then the installation of the silica gel sealing washer of being convenient for.

As a further improvement of the utility model, the connecting portion deviate from one side of the cover body seted up communicate in the perforation of locating hole, wear to be equipped with the screw in the perforation, the reference column is provided with screw thread fit in the screw hole of screw.

Through adopting foretell technical scheme, add the screw and make the connection between connecting portion and the cover body more firm.

As a further improvement, the inner side of the silica gel sealing ring is provided with a plugging block for plugging the hole.

Through adopting foretell technical scheme, because the gas of exhalation is comparatively moist, through addding the shutoff perforation of shutoff piece to in reducing steam infiltration perforation, delay the rust speed of screw.

As a further improvement, the air supply assembly includes a supply fan arranged in the air inlet passage, the cover is internally provided with a storage battery, the storage battery electric connection is in the supply fan.

Through adopting foretell technical scheme, the battery supplies power to the supply-air fan, and the supply-air fan is taken out the air and is sent into the breathing chamber, accelerates the gas flow of breathing chamber, improves the respiratory environment of breathing chamber, reduces wearer's discomfort.

As a further improvement, the filter assembly comprises a protective cover for the air supply fan and a filter element arranged in the protective cover, and the side wall of the protective cover is uniformly distributed with air holes.

Through adopting foretell technical scheme, add the protection casing cover and close the supply-air fan, and then play the effect of protection to the supply-air fan, simultaneously, add the filter core and then filter the air of suction in the protection casing, play air-purifying's effect, guarantee that the person of wearing inhales clean air.

As a further improvement of the utility model, the protection casing with be provided with a plurality of magnets to mutual actuation between the cover body.

Through adopting foretell technical scheme to the installation and the dismantlement of shield, and then be convenient for clean and change the filter core.

To sum up, the utility model discloses following beneficial effect has:

1. in the wearing process, the elastic action of the silica gel sealing ring is utilized to enable the silica gel sealing ring to be tightly attached to the face of a wearer, so that external harmful gas cannot enter the breathing cavity from the position between the edge of the mask body and the face of the wearer, and the protection effect of the mask is improved;

2. the connecting part and the cover body are clamped and matched with the hook groove through the clamping hook, so that the silica gel sealing ring is arranged on the cover body conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of a partial explosion of the present embodiment;

FIG. 3 is a schematic view showing the fitting relationship between the candle and the hood in this embodiment;

FIG. 4 is a schematic view of a connection structure between the silicone sealing ring and the mounting cover in the present embodiment;

fig. 5 is a schematic view showing the assembly relationship between the silicone seal ring and the mounting cover in the present embodiment.

In the figure: 1. a cover body; 2. wearing a rope; 21. a wearing portion; 11. mounting a cover; 111. a clamping part; 112. positioning the convex column; 113. an exhaust passage; 114. an air inlet groove; 115. an air supply fan; 116. a hook groove; 117. a positioning column; 12. a housing; 121. a clamping convex edge; 122. a hole of abdication; 13. a mounting seat; 131. positioning the through hole; 132. an air intake passage; 133. a card slot; 14. a protective cover; 141. a clamping part; 142. a fixing frame; 143. a containing groove; 144. air holes; 15. a filter element; 16. a silica gel seal ring; 161. flanging; 162. connecting the convex edges; 163. a plugging block; 17. a respiratory cavity; 18. a connecting portion; 181. a hook; 182. and (6) perforating.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A double-breather valve mask comprises a mask body 1, wherein a wearing rope 2 used for being hung on the head of a wearer is connected to the mask body 1, as shown in figure 1. The wearing part 21 is connected to the wearing rope 2 to increase the contact area between the wearing rope 2 and the head of the wearer and improve the wearing comfort.

Specifically, as shown in fig. 2, the cover 1 includes an injection-molded mounting cover 11 and a housing 12, and the housing 12 is mounted on one side of the mounting cover 11. The border integrated into one piece of installation cover 11 has screens portion 111, and the border integrated into one piece of casing 12 has the protruding edge 121 of screens with screens portion 111 joint complex, and the joint cooperation through screens portion 111 and the protruding edge 121 of screens to realize casing 12 and installation cover 11 be connected fixedly.

As shown in fig. 2, a mounting seat 13 is detachably attached to the mounting cover 11, and the mounting seat 13 is located between the mounting cover 11 and the housing 12. In this embodiment, the mounting base 13 and the mounting cover 11 are fixed by bolts. Meanwhile, one side of the mounting cover 11 facing the mounting base 13 is fixed with a plurality of positioning convex columns 112, and the mounting base 13 is provided with positioning through holes 131 which are matched with the positioning convex columns 112 in an inserting manner, so that the mounting base 13 and the mounting cover 11 can be positioned conveniently.

As shown in fig. 2, the mounting cover 11 is provided with an exhaust passage 113, and when the wearer wears the mask, the exhaled air can be exhausted through the exhaust passage 113. Meanwhile, the mounting cover 11 is provided with two air inlet slots 114, and the two air inlet slots 114 are respectively located at two ends of the mounting cover 11. Two blowing fans 115 are further mounted on the mounting cover 11, and the two blowing fans 115 are respectively and correspondingly located at the two air inlet grooves 114. Two air inlet channels 132 are formed in the mounting base 13, the two air inlet channels 132 are respectively communicated with the two air inlet grooves 114, and after the mounting cover 11 is fixedly connected with the mounting base 13, the two air supply fans 115 are respectively accommodated in the two air inlet channels 132. The blower fan 115 continuously blows air to the inside of the mask to keep the flow of the air inside the mask, and the exhaled air is directly discharged from the exhaust passage 113, thereby reducing stuffiness when wearing the mask.

As shown in fig. 2, a protective cover 14 for covering the blowing fan 115 is detachably connected to a side of the mounting base 13 away from the mounting cover 11, a yielding hole 122 for yielding the protective cover 14 is formed in the housing 12, and the side of the protective cover 14 away from the mounting base 13 penetrates out of the housing 12 through the yielding hole 122. In this embodiment, the edge of the protective cover 14 is integrally formed with a clamping portion 141, and a clamping groove 133 engaged with the clamping portion 141 is formed on the side wall of the mounting base 13. Meanwhile, two pairs of magnets (not labeled in the figure) which attract each other are additionally arranged between the mounting base 13 and the protective cover 14, and the two pairs of magnets are respectively positioned at two ends of the protective cover 14, so that the protective cover 14 can be stably fixed on the mounting base 13.

As shown in fig. 3, a fixing frame 142 is fixed in the shield 14, a receiving groove 143 is formed in the fixing frame 142, the filter element 15 is received in the receiving groove 143, and air holes 144 are uniformly distributed on a side wall of the shield 14, so that air can enter from the air holes 144, and the air sucked in is filtered by the filter element 15, thereby reducing dust and germs being sucked into the air inlet channel 132.

In addition, as shown in fig. 2, one side of the mounting cover 11 departing from the housing 12 is detachably connected with a silicone sealing ring 16, as shown in fig. 4, the silicone sealing ring 16 and the mounting cover 11 are matched to enclose a breathing cavity 17, and the breathing cavity 17 is communicated with the two air inlet grooves 114 and the air exhaust channel 113. When worn by the wearer, the mouth and nose of the wearer are accommodated within the breathing chamber 17 to facilitate breathing by the wearer.

Specifically, as shown in fig. 5, one side of the silicone sealing ring 16 is folded inwards to the breathing cavity 17 to form a flange 161, and when the mask is worn by a wearer, the flange 161 is attached to the face of the wearer. One side of the silica gel sealing ring 16 away from the flange 161 is connected with a connecting convex edge 162, and the connecting convex edge 162 is connected with a connecting portion 18, in this embodiment, the connecting portion 18 is a connecting frame made of plastic.

As shown in fig. 5, a hook 181 is fixed on the connecting portion 18, and the hook 181 penetrates through the connecting flange 162. One side of the mounting cover 11 facing the silicone sealing ring 16 is provided with a hook groove 116, and the hook 181 is in clamping fit with the hook groove 116. Meanwhile, a positioning column 117 is fixed on one side of the mounting cover 11 facing the silicone sealing ring 16, a positioning hole (not shown) in insertion fit with the positioning column 117 is formed at one end of the connecting portion 18 close to the mounting cover 11, and the positioning column 117 passes through the connecting convex edge 162 and then is in insertion fit with the positioning hole.

In addition, as shown in fig. 5, a through hole 182 is formed in a side of the connecting portion 18 away from the mounting cover 11, the through hole 182 is communicated with the positioning hole, a screw penetrates through the through hole 182, a threaded hole (not shown) in threaded fit with the screw is formed in the positioning column 117, after the positioning column 117 is in plug fit with the positioning hole, the screw penetrates through the through hole 182 and is screwed down, so that the connecting portion 18 is tightly connected with the mounting cover 11, the connecting convex edge 162 of the silicone sealing ring 16 is abutted through the fit between the connecting portion 18 and the mounting cover 11, and the silicone sealing ring 16 is further fixed.

The inner side of the silicone sealing ring 16 is connected with a blocking block 163 for blocking the through hole 182, and the through hole 182 is blocked by the blocking block 163, so that the screw is protected.

The overall working process is as follows: when the wearer wears this gauze mask, one side that cover body 1 has silica gel sealing washer 16 faces towards the wearer's face, so that the wearer's face and the laminating of silica gel sealing washer 16, in so that the unable border and the wearer's of following of external harmful gas get into respiratory cavity 17, and simultaneously, air supply fan 115 supplies air to respiratory cavity 17, the air of suction filters through filter core 15, and then avoid in dust and the germ gets into respiratory cavity 17, because air supply fan 115 supplies air constantly to respiratory cavity 17, to the in-process of respiratory cavity 17 air supply, the gas in the respiratory cavity 17 is discharged from exhaust passage 113, and then take away the gas of wearer's exhalation, so that the air current in the respiratory cavity 17 keeps the mobile state, and then reduce the vexed sense of heat in the respiratory cavity 17.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a two breather valve gauze masks, includes the cover body (1), its characterized in that: an air inlet channel (132) and an air outlet channel (113) are arranged on the cover body (1), and an air supply assembly and a filter assembly are arranged on the air inlet channel (132); the cover body (1) is provided with silica gel sealing washer (16) towards one side detachably of face, silica gel sealing washer (16) with the cover body (1) encloses to establish and is formed with breathing chamber (17), breathing chamber (17) communicate in inlet channel (132).

2. The dual breather valve mask of claim 1, wherein: one side of silica gel sealing washer (16) is provided with connecting portion (18), connecting portion (18) are provided with pothook (181), be provided with on the cover body (1) joint cooperate in hook groove (116) of pothook (181).

3. The dual breather valve mask of claim 2, wherein: one side of the connecting part (18) facing the cover body (1) is provided with a positioning hole, and the cover body (1) is provided with a positioning column (117) in inserting fit with the positioning hole.

4. A dual breather valve mask according to claim 3, wherein: one side of the connecting part (18) departing from the cover body (1) is provided with a through hole (182) communicated with the positioning hole, a screw penetrates through the through hole (182), and the positioning column (117) is provided with a threaded hole in threaded fit with the screw.

5. The dual breather valve mask of claim 4, wherein: the inner side of the silica gel sealing ring (16) is provided with a blocking block (163) used for blocking the perforation (182).

6. The dual breather valve mask of claim 1, wherein: the air supply assembly comprises an air supply fan (115) arranged on the air inlet channel (132), a storage battery is arranged in the cover body (1), and the storage battery is electrically connected to the air supply fan (115).

7. The dual breather valve mask of claim 6, wherein: the filter assembly comprises a protective cover (14) used for covering the air supply fan (115) and a filter element (15) arranged in the protective cover (14), and air holes (144) are uniformly distributed in the side wall of the protective cover (14).

8. The dual breather valve mask of claim 7, wherein: a plurality of pairs of magnets which attract each other are arranged between the protective cover (14) and the cover body (1).