CN207694094U - A kind of silicone rubber cover and the power type mask with the silicone rubber cover - Google Patents

Abstract

The utility model provides a kind of silicone rubber cover and the power type mask with the silicone rubber cover, including silicone rubber cover has open front and after-opening；After-opening has the arc inside edge to fit with face shape, and the upper end of inside edge is provided with card nose groove；The bottom middle position of silicone rubber cover is provided with silica gel switch and silica gel slice, and the bottom of silicone rubber cover is provided with two one-way exhaust valves for expiration, and two one-way exhaust valves are located at the left and right sides of silica gel switch.The utility model is respectively arranged with one-way exhaust valve in the middle position control switch of mask bottom and the both sides of charge port, so that exhaust system and circuit system is detached, increases safety.The steam of one-way exhaust valve discharge simultaneously flows to the shoulder direction of user, avoid steam in the prior art flow into the neck of user or directly exhalation blow to stand close to user other people on the face.The switch and charge port of the utility model be not naked to be exposed on the external, and the generation of mask air leakage phenomena can be prevented.

Description

A kind of silicone rubber cover and the power type mask with the silicone rubber cover

Technical field

The utility model is related to life protective articles fields, and in particular to there is one kind arc electric device and arc to filter The mask of device.

Background technology

With the continuous development of urbanization process, more and more people enter in city and live.But it is advised in city The drawbacks of mould is ever-expanding simultaneously, "urban disease" also gradually displays, such as vehicular emission pollution sources increase, air Quality runs down, and influence of the air pollution to people's health is serious.In " haze " environment caused by air pollution, by This air is sucked for a long time containing the particles such as a large amount of dust, sulfuric acid, nitric acid, people in haze, is endangered to human body health Evil is very big.It is dirty generally to prevent various dust and bacterium in respiratory tract sucking pollution environment etc. using mask is worn by people at present Object, to ensure the health of human body.

In existing mask or mask, typically simple outer-cover type structure, i.e., most area is filter layer, Air is sucked after the filtering of the filter layer of mask or mask by human body, to achieve the purpose that filtering.But such product There is a problem of one it is larger be the unsmooth breath for being easy to cause user.Due to mask or the seal of mask, the expiration of user It is required for being filtered by filter layer with air-breathing, must consume larger strength in breathing just and can complete, meeting when air-breathing It is not smooth enough because of the obstruction of strainer, cause inspiratory capacity insufficient, breathing comfort is poor, is not suitable for wearing for a long time.Although now Also occur some electronics masks in the market, but all there is a problem of that air output is small, gas supply deficiency.Furthermore with wearer couple Mask quality, the requirement of comfort are higher and higher, and the power type mask of more high quality occurs on the market.

In order to solve the problems, such as that breathing comfort is poor, comes into being some power type masks occurred in the market.It is general next It says, these power type masks all include silicone rubber cover and electronic filter device.But power type mask quality in the prior art compared with Weight, the face of electronic air duct high speed air-supply to user, the steam of breather valve exhalation are easy to blow to neighbouring people on the face, silicone rubber cover Do not cause gas leakage sternly with electronic filter device wrapping property, switch and charge port is exposed causes to leak out, in turn result in user it is long when Between wear uncomfortable, wearing comfort is poor, influences the experience of user.In addition, also other kinds of electronic filter mask There are the charge ports of the electronic filter device of at the silicone rubber cover one-way exhaust valve of outside and the inside to have a certain distance, charger to connect Head is not easy to be fully inserted into, and influences the use of user；Furthermore frequently operating one-way exhaust valve, (switch and charge port are required for Could be used by raising one-way exhaust valve), so that the one-way exhaust valve service life is significantly shortened, easily damages, and once damage and be difficult It replaces, to increase the cost of user.In addition, user reflects the dismounting of electronic filter device and silicone rubber cover in use Installation process is extremely inconvenient, and is easy to influence silicone rubber cover tear damage leakproofness when wearing, while this setup So that operation when mask and electronic filter device are split is relatively complicated, also person inconvenient to use uses.

Accordingly, it is desirable to provide a kind of improved technology scheme insufficient for the above-mentioned prior art.

Invention content

The purpose of the utility model is to overcome above-mentioned existing power type mask, that there are air outputs is small, for unsaturated vapor, control Switch and charge port are exposed, and blow face of the blow-through to people in air duct, and mask is poorly sealed with electric device, electric device and silica gel The problem of cover installing and dismounting is inconvenient, the comfort difference etc. that wearer uses proposes a kind of silicone rubber cover and has the silica gel The power type mask of cover.

To achieve the goals above, the utility model provides the following technical solutions：

A kind of silicone rubber cover, the silicone rubber cover have open front and after-opening, along the inwardly setting one of the edge of the open front All L-type flangings；The after-opening has the arc inside edge to fit with face shape, and the upper end of the inside edge is provided with card Nose groove；The bottom middle position of the silicone rubber cover is provided with silica gel switch and silica gel slice, and the bottom of the silicone rubber cover is set Two one-way exhaust valves for expiration are equipped with, two one-way exhaust valves are located at the left and right two of the silica gel switch Side.

Silicone rubber cover as described above, it is preferable that the silica gel switch is silica gel protrusion, and the silica gel protrusion is arranged in institute It states on the medial surface of bottom middle position of silicone rubber cover.

Silicone rubber cover as described above, it is preferable that silica gel slice can be towards raising on the outside of the silicone rubber cover, user The silica gel slice can freely be raised.

Silicone rubber cover as described above, it is preferable that the silica gel slice is positioned at the top of the silica gel switch.

Silicone rubber cover as described above, it is preferable that the bottom of the silicone rubber cover is set around two one-way exhaust valves It is equipped with the groove for collecting condensed water.

Silicone rubber cover as described above, it is preferable that the one-way exhaust valve is mounted on the lateral surface of the silicone rubber cover；Described There are two exhaust holes for the setting of silicone rubber cover bottom.

Silicone rubber cover as described above, it is preferable that the one-way exhaust valve includes the one-way exhaust mounted on silicone rubber cover bottom Valve support, being equipped in the one-way exhaust valve support can be to the one-way exhaust valve silica gel piece opened on the outside of silicone rubber cover；The list The exhaust hole is completely covered to air bleeding valve silica gel piece.

Silicone rubber cover as described above, it is preferable that the shape of the exhaust hole is V-type through-hole, and two V-type through-holes Tip be directed away from the direction of the silica gel switch；The shape of the one-way exhaust valve silica gel piece is V-type silica gel piece, and two The tip of a V-type silica gel piece is directed away from the direction of the silica gel switch.

A kind of power type mask including the silicone rubber cover, the power type mask include：Electric device, it is described electronic The middle part of device has the arcuate shape to fit with user's mouth and nose；The electric device include protecgulum and with the protecgulum phase The top of the rear cover of connection, the rear surface of the protecgulum is provided with multiple reinforcement positions, and be provided in the middle part of the protecgulum into Air port is provided with a circle groove along the protecgulum circumferential edge；The cavity being provided with for as air duct is covered after described, it is described The top of cavity is provided with air outlet；Multiple reinforcement positions are located at the front of the air outlet；It is set in the middle part of the cavity Be equipped with fan, be provided with motor in the middle part of the fan, the motor be fixed at it is described after cover, cover and be equipped with after described The battery and circuit board being connect with the motor；The bottom outside of the rear cover be provided with connect with the circuit board for controlling Make the charge port that the control switch of the electric device work is used with battery charging；Silica gel protrusion on the silicone rubber cover It is in contact with the control switch on the electric device, on the specification and the electric device of the silica gel slice The specification of the charge port is corresponding, and user can freely raise the slice and charger is inserted into the charge port； Filter device, the filter device removably be arranged on the protecgulum, and the filter device cover all it is described before The front surface of lid；Multiple hangers are provided with along the circumferential edge of the filter device；The electric device is fastened on the silicon Inside glue cover, the filter device is detachably connected with the electric device and positioned at the outside of the silicone rubber cover, the silica gel The L-type flanging on cover is between the electric device and the filter device.

Power type mask as described above, it is preferable that multiple clampings are provided at the circumferential edge of the filter device Column；Multiple electric device card interfaces are provided on the outer fissure cell wall of the groove of the protecgulum of the electric device； It is provided with multiple silicone rubber cover blocked holes on the upper hem of the L-type flanging of the open front of the silicone rubber cover；It is described electronic Device is fastened in the silicone rubber cover, and the lower hem of the L-type flanging on the silicone rubber cover is embedded in the electric device In the groove, and the lower surface of the lower hem is fitted closely with the groove；The filter device and the L-type flanging The upper surface of lower hem fits closely；And multiple clip-connecting rods on the filter device, multiple institutes on the silicone rubber cover It states silicone rubber cover blocked hole to correspond with multiple electric device card interfaces on the electric device, the clip-connecting rod is worn It crosses the silicone rubber cover blocked hole and is embedded in the electric device card interface again, to realize filter device, silicone rubber cover and electronic dress The close connection set.

Compared with the immediate prior art, technical solution provided by the utility model has the advantages that：

1, the electric device of the utility model, filter device and silicone rubber cover are easy for assemble or unload, freely clean, and do not influence to wear The use worn extends the service life of mask.

Be provided on filter device provided by the utility model hangers, on silicone rubber cover no longer setting match with hangers it is logical Hole so that user can directly be worn by the hangers on filter device, can it is more convenient by electric device, Filter device takes out from silicone rubber cover, to facilitate replacement filter device, and the cleaning to silicone rubber cover；And due to taking Disappeared the through-hole to match with hangers on silicone rubber cover, decreases the risk that air is revealed from the through-hole, improves the present embodiment Electronic mask filter effect.

2, the utility model is respectively arranged with list in the middle position control switch of mask bottom and the both sides of charge port To air bleeding valve, so that exhaust system and circuit system is detached, increase safety.The steam flow direction of one-way exhaust valve discharge simultaneously makes The shoulder direction of user avoids in the neck of steam inflow user in the prior art or directly exhalation is blowed to close to user Stand other people on the face.The switch and charge port of the utility model be not naked to be exposed on the external, and the hair of mask air leakage phenomena can be prevented It is raw.

3, the electric device of the utility model, silicone rubber cover etc. are the arcs to fit with face, make the mask and human body Be bonded it is closer, increase user wearing comfort.

4, the utility model design has reinforcement position air duct, on the one hand can guide wind direction, on the other hand can also reduce wind Speed avoids wind blow-through face, influences the comfort of user's wearing.

5, the silicone rubber cover of the utility model can wrap the circumferential edge of electric device, make the close of silicone rubber cover and electric device Envelope property is more preferable, is fixedly connected more securely.

6, electric device, silicone rubber cover and filter device are fixed together by the utility model, the open front of silicone rubber cover The L-type flanging at place further improves the leakproofness of the mask between electric device and filter device.

7, the technical solution of the utility model, it is reasonable in design, it is small, it is compact-sized, using good filtration effect Strainer, and wind is given into mask by fan, and air duct is optimized, it not only ensure that filter effect, but also increase out Air quantity ensure that people's air-breathing is smooth, and suction increases when air-breathing, and inspiratory capacity is sufficient, and breathing comfort is good, be suitable for wearing for a long time It wears.

Description of the drawings

Fig. 1 is the structural schematic diagram of the mask with A type filter devices of one embodiment of the utility model, wherein： Left hand view is front view, and right part of flg is rearview；

Fig. 2 is the structural schematic diagram of the mask with Type B filter device of one embodiment of the utility model, wherein： Left hand view is front view, and right part of flg is rearview；

Fig. 3 is the structural schematic diagram of the silicone rubber cover of one embodiment of the utility model, wherein：Left hand view is front view, Right part of flg is rearview；

Fig. 4 is the part-structure schematic diagram of silicone rubber cover bottom in Fig. 3；

Fig. 5 be one embodiment of the utility model electric device in rear cover structural schematic diagram, wherein：Left hand view is installation It is not install the structure chart of fan to have the structure chart of fan, right part of flg；

Fig. 6 is the structural schematic diagram of the electric device of one embodiment of the utility model, wherein：Left hand view is main view Figure, right part of flg is rearview；

Fig. 7 is the structural schematic diagram of the A type filter devices of one embodiment of the utility model, wherein：Based on left hand view View, right part of flg are rearview；

Fig. 8 is the structural schematic diagram of the Type B filter device of one embodiment of the utility model, wherein：Based on left hand view View, right part of flg are rearview；

Fig. 9 is the structural schematic diagram of the electric device of another embodiment of the utility model；

Figure 10 is the structural schematic diagram of the A type filter devices of another embodiment of the utility model；

Figure 11 is the structural schematic diagram of the Type B filter device of another embodiment of the utility model；

In figure：1- masks；11-A type filter devices；12-B type filter devices；2- silicone rubber covers；21- silicone rubber cover blocked holes； 22-L type flangings；23- silica gel is sliced；24- silica gel switch；25- one-way exhaust valves；3- electric devices；31- protecgulums；311- grooves； 312- electric device card interfaces；313- air inlets；314- reinforcements position；32- rear covers；321- air outlets；322- boss；323- wind Fan；324- is open；325- batteries；326- circuit boards；327- cavitys；The air ducts 328- side wall；33- location holes；34- positioning ports；35- Protecgulum side wall；4- filter devices；The outer filtering covers of 41-；411- hangers；412- outer cover ventilation holes；413- extensions；Filtering in 42- Lid；421- inner cover ventilation holes；422- clip-connecting rods；43- filter layers；44- positioning columns.

Specific implementation mode

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Example is applied, the every other embodiment that those of ordinary skill in the art are obtained shall fall within the protection scope of the present invention.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting In the case of, the feature in the embodiments of the present invention and embodiment can be combined with each other.

In the description of the present invention, it should be noted that noun of locality "upper", "lower", "left", "right", " preceding " and " rear " etc. is orientation corresponding with human body, for example, "upper" is, towards the direction of human body head, "lower" is after normal wear Towards the direction of human foot, " left side " is towards the direction of human body left hand, and " right side " is towards the direction of right human hand, and " preceding " is remote Direction from human body, it is " rear " for close to the direction of human body.These explanations are merely for convenience of description the utility model and simplification is retouched It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, Therefore it should not be understood as limiting the present invention.

As shown in Figure 1 to 11, the utility model provides a kind of with arc electric device and arc filter device Mask 1, including silicone rubber cover 2, electric device 3 and filter device 4.

As shown in Figure 3 and Figure 4, silicone rubber cover 2 has open front and after-opening, and one week L is inwardly arranged along the edge of open front Type flanging 22；After-opening has the arc inside edge to fit with face shape, and the upper end of inside edge is provided with card nose groove；Silicon The bottom of glue cover 2 is provided with two one-way exhaust valves 25 for expiration.

As shown in Figure 5 and Figure 6, which is the electric device 3 of arc, and the middle part of the electric device 3 of the arc is The arcuate shape to fit with user's mouth and nose；The electric device 3 of arc includes protecgulum 31 and the rear cover being connected with protecgulum 31 32.The top of the rear surface (after protecgulum 31 and the fastening of rear cover 32, the surface opposite with rear cover 32) of protecgulum 31 is provided with multiple add Muscle position 314 is provided with air inlet 313 on protecgulum 31, and the front surface circumferential edge of protecgulum 31 is provided with groove 311；Rear cover It is provided on 32 for the cavity 327 as air duct, the top of cavity 327 is provided with air outlet 321；When protecgulum 31 and rear cover 32 After fastening, multiple reinforcement positions 314 are horizontal corresponding (that is, positioned at front of air outlet 321) with air outlet 321.

As shown in Figure 7 and Figure 8, filter device 4 is removably arranged on protecgulum 31, and filter device 4 covers all The front surface of protecgulum 31；Multiple hangers 411 are provided with along the circumferential edge of filter device 4.

As depicted in figs. 1 and 2, the outside of the L-type flanging at the open front of silicone rubber cover 2, electronic dress is arranged in filter device 4 Set the inside for the L-type flanging that 3 are arranged at the open front of silicone rubber cover 2；That is, the L-type flanging 22 at the open front of silicone rubber cover 2 is located at Between electric device 3 and filter device 4, the 2 fully wrapped around entire electric device 3 of energy of such silicone rubber cover, while silicon can also be utilized L-type flanging at the open front of glue cover 2 reinforces sealing effect so that the better tightness of entire mask 1.

Electric device 3 is fastened on inside silicone rubber cover 2 in the utility model, and filter device 4 is detachably connected with electric device 3 And the L-type flanging on the outside of silicone rubber cover 2, silicone rubber cover 2 is between electric device 3 and filter device 4.

To sum up, silicone rubber cover 2, electric device 3 and filter device 4 are fixed together by the utility model, silica gel L-type flanging 22 at the open front of cover 2 further improves the close of the mask 1 between electric device 3 and filter device 4 Feng Xing.Silicone rubber cover 2 can make the leakproofness of silicone rubber cover 2 and electric device 3 at the circumferential edge of fully wrapped around entire electric device 3 More preferably, be fixedly connected more securely, be provided with the L-type flanging 22 of silicone rubber cover 2 between electric device 3 and filter device 4 again, then more into One step improves the leakproofness of the mask 1.Due to being provided with hangers 411 on filter device 4, while being no longer arranged on silicone rubber cover 2 The through-hole to match with hangers 411 so that user can directly be worn by the hangers 411 on filter device 4, and nothing It is worn again after need to penetrating hangers 411 in the through-hole being arranged in silicone rubber cover 2 so that can be more convenient by electronic dress Set 3 and filter device 4 taken out from silicone rubber cover 2, replace filter device 4, and the cleaning to silicone rubber cover 2 to facilitate； And due to eliminating the through-hole to match with hangers 411 on silicone rubber cover 2, the risk that air is revealed from the through-hole is decreased, Improve the sealing effect of the electronic mask 1 of the present embodiment.

In the utility model specific embodiment, as shown in Figure 7 and Figure 8, which is the filter device of arc, The middle part of the filter device 4 of the arc has the arcuate shape to fit with user's mouth and nose.Filter device 4 includes outer filtering cover 41 and the interior filtering cover 42 that is connect with outer filtering cover 41.Filter layer 43 is provided between interior filtering cover 42 and outer filtering cover 41. It is provided with multiple outer cover ventilation holes 412 on outer filtering cover 41, multiple hangers are provided at the circumferential edge of outer filtering cover 41 411；Multiple inner cover ventilation holes 421 are provided on interior filtering cover 42.Preferably, multiple inner cover ventilation holes 421 cover mistake in entire Filter cover 42, and the aperture of inner cover ventilation hole 421 is more than the aperture of outer cover ventilation hole 412, is convenient for filtering by filter layer 43 in this way Fresh air afterwards can quickly enter in electric device 3.Outer filtering cover 41 covers filtering cover 42 in entire, and outer filtering cover 41 Area be more than interior filtering cover 42 area.It is additionally provided with extension 413 and ribbed stiffener on the top of outer filtering cover 41, is used for into one Step reinforces the leakproofness being connect between filter device 4 and electric device 3 and silicone rubber cover 2.

Preferably, multiple outer cover ventilation holes 412 cover the middle part of outer filtering cover 41, and the filter device 4 of this type is known as A types Filter device 11 (as shown in Figure 7)；Or multiple outer cover ventilation holes 412 cover the left and right side of outer filtering cover 41, this type Filter device 4 be known as Type B filter device 12 (as shown in Figure 8).For beauty, multiple outer covers for being arranged on outer filtering cover 41 Ventilation hole 412 can form any shape；The shape of multiple outer cover ventilation holes 412 composition on the external filtering cover of the present embodiment 41 It is not construed as limiting.

Preferably, the number of hangers 411 is 4.It is further preferred that 4 hangers 411 are located at outer filtering cover 41 At left edge, at upper right edge, at lower-left edge and bottom right edge.

In the utility model specific embodiment, as shown in Figure 5 and Figure 6, the rear surface of the protecgulum 31 on electric device 3 Multiple reinforcement positions 314 of top setting are laterally to be arranged and be in longitudinal arrangement, and the height of multiple reinforcement positions 314 is from bottom to up It gradually increases.On the one hand the set-up mode that the reinforcement position 314 of this implementation is increased successively from bottom to up can play guiding wind direction, that is, draw Wind in wind guide channel is blown out by air outlet 321；On the other hand play the role of reducing wind speed, i.e. wind in air duct will not pass through Air outlet 321 directly blows to face's (fireballing blow-through wind makes face feel under the weather) of user with speed quickly, this Embodiment setting reinforcement position 314 then avoids the technological deficiency.After multiple reinforcement positions 314 in the present embodiment are located at protecgulum 31 The most middle position on surface top.

As shown in figure 5, the front surface of rear cover 32 is equipped with (after protecgulum 31 and the fastening of rear cover 32, the surface opposite with protecgulum 31) For the cavity 327 as air duct, cavity 327 is located at the middle and upper part of rear cover 32.Preferably, the circle wind being arranged on rear cover 32 Road side wall 328 is used to form cavity 327, and the middle part of cavity 327 is provided with fan 323, and the top of cavity 327 is provided with outlet air Mouth 321；After protecgulum 31 and rear cover 32 fasten, multiple reinforcement positions 314 are horizontal corresponding (that is, being located at air outlet with air outlet 321 321 front).The front of the fan 323 on rear cover 32 is arranged in air inlet 313.

Preferably, the right side central in protecgulum 31 is arranged in air inlet 313；The shape of air inlet 313 can be and fan 323 The corresponding circle of shape.

The middle part of fan 323 is provided with motor, and motor is fixed on rear cover 32.Rear cover 32 is equipped with and is connect with motor Battery 325 and circuit board 326；Preferably, circuit board 326 is located at the lower part of rear cover 32, and battery 325 is located at a left side for rear cover 32 Side.The bottom outside of rear cover 32 is provided with the control switch and electricity for controlling the work of electric device 3 being connect with circuit board 326 Charge the charge port used in pond 325.

Preferably, opening 324 is provided on the air duct side wall 328 of the lower part of cavity 327, opening 324 is used for fan 323 In motor electric wire used when being connect with circuit board 326 can pass through.It is provided at the lower part of the rear surface of protecgulum 31 Sealing column；Sealing column on protecgulum 31 is completely embedded into being open at 324, and cavity 327 is sealed, and reduction is leak into from charge port Air, while can be used for that protecgulum 31 is enable smoothly to be fixedly connected with rear cover 32.

More preferably, it is provided in the lower part of the rear surface of rear cover 32 (close to the one side of human body after normal wearing mask) convex Platform 322, boss 322 protrude (towards the direction of human body after normal wearing mask) backward.Boss 322 is hollow boss, circuit Plate 326 is embedded in the hollow interior of boss 322, and there are two through-holes for setting in the lower wall of boss 322, are connect with circuit board 326 Control switch and charge port are fastened on respectively in two through-holes in the lower wall of hollow boss.

In the utility model specific embodiment, it is preferable that as shown in Figure 3 and Figure 4, the bottom setting of silicone rubber cover 2 is useful In two one-way exhaust valves 25 of expiration.The bottom middle position of silicone rubber cover 2 is provided with silica gel switch 24, the silica gel switch 24 For silica gel protrusion, silica gel protrusion is arranged on the medial surface of the bottom middle position of silicone rubber cover 2, and silica gel protrusion with it is electronic Control switch on device 3 is in contact.

As shown in figure 4, the bottom middle position of silicone rubber cover 2 is additionally provided with silica gel slice 23, silica gel slice 23 can direction The outside of silicone rubber cover 2 is raised, and the specification of silica gel slice 23 is corresponding with the specification of the charge port on electric device 3, User can freely raise slice and charger is inserted into charge port.

Control switch and charge port in the present embodiment covered by silicone rubber cover 2 and it is not naked be exposed on the external, face can be prevented Cover the generation of 1 gas leak phenomenon.

The bottom of silicone rubber cover 2 is provided with the groove for collecting condensed water around two one-way exhaust valves 25.Two One-way exhaust valve 25 is located at the arranged on left and right sides of silica gel switch 24.Boss 322 on electric device 3 is set up in silicone rubber cover 2 The control switch and charge port point in two through-holes at the medial surface of bottom middle position, and in the lower wall of boss 322 It is not corresponding with the position of silica gel switch 24 and slice；The steam of user's exhalation first converges at the upper side wall of boss 322, so Steam is flowed to from the left and right sides of the upper side wall of boss 322 from two one-way exhaust valves 25 again respectively afterwards.The present embodiment it is unidirectional The installation position of air bleeding valve 25 can make the steam of the discharge of one-way exhaust valve 25 flow to the shoulder direction of user, avoid In the prior art steam flow into user neck in or directly exhalation blow to close to user stand other people on the face.

In the bottom of silicone rubber cover 2, there are two exhaust hole, the lateral surface in silicone rubber cover 2 is arranged in one-way exhaust valve 25 for setting, And it is covered each by two exhaust holes.

Preferably, one-way exhaust valve 25 includes the one-way exhaust valve support mounted on 2 bottom of silicone rubber cover, in one-way exhaust valve Holder is equipped with the one-way exhaust valve silica gel piece that can be opened to 2 outside of silicone rubber cover；Exhaust is completely covered in one-way exhaust valve silica gel piece Through-hole.It is further preferred that the shape of exhaust hole is V-type through-hole, and the direction at the tip of two V-type through-holes is far from silica gel Switch 24.It is further preferred that the shape of one-way exhaust valve silica gel piece is V-type silica gel piece, and the tip of two V-type silica gel pieces The direction of (loose free-end) is far from silica gel switch 24.

In a specific embodiment of the utility model, as shown in Figures 3 to 8, at the circumferential edge of filter device 4 It is provided with multiple clip-connecting rods 422；Preferably, multiple clampings are provided at the circumferential edge of the interior filtering cover 42 of filter device 4 Column 422.Multiple electric device card interfaces are provided on the outer fissure cell wall of the groove 311 of the protecgulum 31 of the electric device 3 of arc 312.Multiple silicone rubber cover blocked holes 21 are provided in the outside edge of the L-type flanging 22 of the open front of silicone rubber cover 2.Arc it is electronic Device 3 is fastened in silicone rubber cover 2, the inside edge of the L-type flanging 22 on silicone rubber cover 2 (inside edge is located at the inside of silicone rubber cover 2) It is embedded in the groove 311 of the electric device 3 of arc, and the inner surface of inside edge is fitted closely with groove 311.Filter device 4 It is fitted closely with the upper surface of the inside edge of L-type flanging 22；And multiple clip-connecting rods 422 on filter device 4, on silicone rubber cover 2 Multiple silicone rubber cover blocked holes 21 and the electric device card interface 312 of the multiple arcs on the electric device 3 of arc correspond, So that clip-connecting rod 422 passes through silicone rubber cover blocked hole 21 to be embedded in the electric device card interface 312 of arc again, dress is filtered to realize Set the close connection of 4, silicone rubber cover 2 and electric device 3.It is further preferred that the number of clip-connecting rod 422 is three, silicone rubber cover card Connecing the electric device card interface 312 of hole 21 and arc, to be correspondingly arranged be three.More preferably, three clip-connecting rods 422 distinguish position At the upper edge of interior filtering cover 42, lower-left edge and bottom right edge.

In another specific embodiment of the utility model, as shown in Fig. 9, Figure 10 and Figure 11, before electric device 3 The front surface of lid 31 is provided with multiple positioning columns 44 or multiple location holes 33, in the medial surface (being rear surface) of filter device 4 On be provided with multiple location holes 33 or multiple positioning columns 44, multiple location holes 33 and multiple positioning columns 44 correspond (electronic The positioning column 44 being arranged on the medial surface of the location hole 33 and filter device 4 that are arranged in the front surface of the protecgulum 31 of device 3 is one by one It is arranged on the medial surface of the positioning column 44 and filter device 4 that are arranged in the front surface of corresponding or electric device 3 protecgulum 31 Location hole 33 corresponds), positioning column 44 can be inserted in location hole 33 to be connected to fix electric device 3 and filter device 4 It connects.It is specific as follows：The first technical solution is provided with multiple location holes 33 in the front surface of the protecgulum 31 of electric device 3, Multiple positioning columns 44 are provided on the medial surface of filter device 4, on multiple positioning columns 44 on filter device 4 and electric device 3 Multiple location holes 33 correspond；Electric device 3 and filter device 4 are fixed for making positioning column 44 be inserted into location hole 33 Connection.Another technical solution is provided with multiple positioning columns 44 in the front surface of the protecgulum 31 of electric device 3, is filled in filtering It sets and is provided with multiple location holes 33 on 4 medial surface (being rear surface), multiple location holes 33 on filter device 4 and electronic dress The multiple positioning columns 44 set on 3 correspond；For making positioning column 44 be inserted into electric device 3 and filter device in location hole 33 4 are fixedly connected.Preferably, multiple positioning columns 44 are provided on the central vertical line of the front surface of the protecgulum 31 of electric device 3 Or multiple location holes 33, multiple location holes 33 or multiple fixed are provided on the central vertical line on the medial surface of filter device 4 Position column 44.More preferably, there are two location holes 33 for setting on the protecgulum 31 of electric device 3, on the medial surface of filter device 4 Central vertical line on setting there are two positioning column 44.In the one circle protecgulum side wall of edge setting of the protecgulum 31 of electric device 3 35, protecgulum side wall 35 is prominent forward (that is, being protruded towards the direction of filter device 4), is arranged at intervals on protecgulum side wall 35 more A positioning port 34, is provided with multiple silica gel locating plates on the medial surface of the open front of silicone rubber cover 2, multiple silica gel locating plates with it is more A positioning port 34 corresponds, and multiple silica gel locating plates are inserted into multiple positioning ports 34, for being fixedly connected with silicone rubber cover 2 and electronic dress Set 3.

In the present invention, it is preferable that the position contacted with face at the after-opening of silicone rubber cover 2 is provided with latex cotton (sponge for being similar to cosmetic), can make user feel more comfortable when the latex cotton is in direct contact with the skin.Further preferably Ground, the latex cotton are integrally formed with silicone rubber cover 2, ultrasonic welding or can also be sewed and connected together.The present embodiment pair Latex cotton and the connection type of silicone rubber cover 2 are not construed as limiting.

In conclusion the electric device 3 of the utility model, filter device 4 and silicone rubber cover 2 are easy for assemble or unload, therefore can Conveniently to disassemble silicone rubber cover 2 consequently facilitating cleaning, the use worn is not influenced, extends the use of mask 1 Service life.

Hangers 411, while no longer setting and hangers on silicone rubber cover 2 are provided on filter device 4 provided by the utility model 411 through-holes to match so that user directly can wear mask 1 by the hangers 411 on filter device 4；And it can be more Add and conveniently take out electric device 3, filter device 4 from silicone rubber cover 2, filter device 4 is replaced to facilitate, with And the cleaning to silicone rubber cover 2；And due to eliminating the through-hole to match with hangers 411 on silicone rubber cover 2, decrease air from The risk of through-hole leakage, improves the sealing effect of the electronic mask 1 of the present embodiment.

The utility model is respectively arranged in the middle position control switch of the bottom of silicone rubber cover 2 and the both sides of charge port One-way exhaust valve 25 makes exhaust system and circuit system detach, increases safety.The steam that one-way exhaust valve 25 is discharged simultaneously The shoulder direction for flowing to user, avoid steam in the prior art flow into the neck of user or directly exhalation blow to it is close User stand other people on the face.The switch and charge port of the utility model be not naked to be exposed on the external, and 1 gas leakage of mask can be prevented existing The generation of elephant.

The electric device 3 of the utility model, silicone rubber cover 2 etc. are the arcs to fit with face, make the mask 1 and human body Be bonded it is closer, increase user wearing comfort.

The air duct with reinforcement position 314 of the utility model design, on the one hand can guide wind direction, on the other hand can also reduce Wind speed avoids wind blow-through face, influences the comfort of user's wearing.

The silicone rubber cover 2 of the utility model can wrap electric device 3, make the leakproofness of silicone rubber cover 2 and electric device 3 more Well, it is fixedly connected more securely.

Electric device 3, silicone rubber cover 2 and filter device 4 are fixed together by the utility model, are opened before silicone rubber cover 2 L-type flanging 22 at mouthful further improves the leakproofness of the mask 1 between electric device 3 and filter device 4.

The technical solution of the utility model, it is reasonable in design, it is small, it is compact-sized, using the filter of good filtration effect Net, and wind is given into mask 1 by fan 323, and air duct is optimized, it not only ensure that filter effect, but also increase Air output ensure that people's air-breathing is smooth, and suction increases when air-breathing, and inspiratory capacity is sufficient, and breathing comfort is good, be suitable for wearing for a long time It wears.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, in the pending power of the utility model Within the scope of profit is claimed.

Claims (8)

1. a kind of silicone rubber cover, which is characterized in that the silicone rubber cover have open front and after-opening, along the edge of the open front to One week L-type flanging of interior setting；The after-opening has the arc inside edge to fit with face shape, the upper end of the inside edge It is provided with card nose groove；

The bottom middle position of the silicone rubber cover is provided with silica gel switch and silica gel slice, and the bottom of the silicone rubber cover is provided with For two one-way exhaust valves of expiration, two one-way exhaust valves are located at the left and right sides of the silica gel switch.

2. silicone rubber cover as described in claim 1, which is characterized in that the silica gel switch is silica gel protrusion, and the silica gel is convex It rises and is arranged on the medial surface of the bottom middle position of the silicone rubber cover.

3. silicone rubber cover as described in claim 1, which is characterized in that silica gel slice can be towards lifting on the outside of the silicone rubber cover It opens, user can freely raise the silica gel slice.

4. the silicone rubber cover as described in claim 1,2 and 3 are any, which is characterized in that the silica gel slice is opened positioned at the silica gel The top of pass.

5. silicone rubber cover as described in claim 1, which is characterized in that the bottom of the silicone rubber cover is in two one-way exhaust valves Around be provided with groove for collecting condensed water.

6. silicone rubber cover as described in claim 1, which is characterized in that the one-way exhaust valve is mounted on the outside of the silicone rubber cover Face；

In the silicone rubber cover bottom, there are two exhaust holes for setting.

7. silicone rubber cover as claimed in claim 6, which is characterized in that the one-way exhaust valve includes being mounted on silicone rubber cover bottom One-way exhaust valve support, being equipped in the one-way exhaust valve support can be to the one-way exhaust valve silica gel opened on the outside of silicone rubber cover Piece；The exhaust hole is completely covered in the one-way exhaust valve silica gel piece.

8. silicone rubber cover as claimed in claim 6, which is characterized in that the shape of the exhaust hole is V-type through-hole, and two institutes The tip for stating V-type through-hole is directed away from the direction of the silica gel switch；

The shape of the one-way exhaust valve silica gel piece is V-type silica gel piece, and the tip of two V-type silica gel pieces is directed away from The direction of the silica gel switch.