CN205626758U - Utensil filters nose cup formula respiratory protection utensil of casket - Google Patents

Utensil filters nose cup formula respiratory protection utensil of casket Download PDF

Info

Publication number
CN205626758U
CN205626758U CN201620181727.9U CN201620181727U CN205626758U CN 205626758 U CN205626758 U CN 205626758U CN 201620181727 U CN201620181727 U CN 201620181727U CN 205626758 U CN205626758 U CN 205626758U
Authority
CN
China
Prior art keywords
nose
casket
deck
frenulum
wall
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.)
Expired - Fee Related
Application number
CN201620181727.9U
Other languages
Chinese (zh)
Inventor
王宁助
Original Assignee
王宁助
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to TW104110023 priority Critical
Priority to TW104110023A priority patent/TWI552784B/en
Application filed by 王宁助 filed Critical 王宁助
Application granted granted Critical
Publication of CN205626758U publication Critical patent/CN205626758U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides an utensil filters nose cup formula respiratory protection utensil of casket, it contains the nose cup body, air vent, cassette, filtration casket, cassette empty room and frenulum module. Wherein the nose cup is personally experienced sth. Part of the body and is contained nose portion and rampart portion, and nose portion connects rampart portion, and nose portion surrounds formation nose cup air chamber with rampart portion. The air vent is seted up in rampart portion. The cassette contains slot, cassette bottom plate and cassette rampart, and the cassette links up the nose cup body and locates the outside below of air vent. And filter the casket and can pull out and insert the ground block in the slot. When filtering the casket block in the cassette, filter casket, cassette bottom plate and cassette rampart and form cassette empty room, air vent intercommunication nose cup air chamber and cassette empty room. Here nose cup formula respiratory mask can not cover the mouth, reducible coverage area, the air of changing filter media, confession filtration outside or filtration suction medicinal material.

Description

Tool filters the nose covering type respiratory protection tool of casket
Technical field
This utility model is about a kind of nose covering type respiratory protection tool, especially with regard to a kind of replaceable filter material, permissible Dust and the nose covering type of other compositions detested or the tool filtration casket filtering suction medical material in filtering external air are breathed Armour.
Background technology
Respiratory protection equipment can generally be divided three classes according to its application target.One, anti-pollution unofficial biography formula, wearer is for preventing from exhaling The gas gone out or the saliva of splash pollute environment, infect other people and dress, such as: during surgical operation, doctor carries mask, infectiousness Sufferer band mask, food and drink dealer wear masks.Its two, anti-pollution in invade formula, wearer is avoided being invaded by it to filter outside air Doing harm to and dress, such as: canister respirator filtering poisonous gas, various mask, nose cup filter the dust in environment and impurity, You Jihui Get angry the anaphylactogen in body, pathogenic bacteria or natural environment.Its three, medically use inhaled medication formula, use breath equipment sieve Select specific gas gluey or powder medical material.Functional purpose of the present utility model, both, the third party is additional.
Tradition common anti-pollution in invade formula breath equipment and include canister respirator, bowl-type non-woven fabrics gauze mask and plane formula Mask.The advantage of canister respirator is that adaptation is high, filter capacity is strong;Shortcoming is sultry, heavy, urgent, causes discomfort to be difficult to Wear for a long time.The advantage of plane formula mask is that wearing is light, light portable, cheap;Shortcoming is that adaptation is bad, poor filtration effect. Although the adaptation of bowl-type non-woven fabrics gauze mask preferably but has the disadvantage that with filter capacity;Area coverage is big and causes feeling of oppression and heat; Covering on mouth, nose, the gas exhaled when user face is spoken is barred from breathing circuit filter or the mouth of splash simultaneously Foam polluting device, so easily multiplying antibacterial, producing stink, thus need to often be replaced.
Recently bowl-type non-woven fabrics gauze mask has modified, adds outlet valve to reduce exhalation impedance and feeling of oppression and heat, improves and uses Wish.But because it still has the shortcoming polluted by face exhaled gas or saliva, be often not yet reduced at its filter effect I.e. it is dropped before can't bear to use;Add and add outlet valve raising cost so that same frequency of abandoning bears more expenses.
Recently developing the breathing circuit filter of other forms on market, one of which is nasal meatus formula breathing circuit filter, and it can Being directly plugged into nasal cavity by nostril, one end is exposed at outside nostril, it is desirable to light and handy and adaptation is good.Such as U.S. Patent No. 7,918, 225 and No. 7,451,764.But, there is several shortcoming in it.One, it is filled in nasal meatus, causes not just as ear-canal earphones Suitable, even cause allergy.Its two, its filter area is the least, and not only respiratory resistance causes greatly dyspnea, and it is fast to filter hole Speed is blocked by air plankton and was lost efficacy.Its three, nasal cavity mucus can pollute it, block filter opening and be difficult to re-use, particularly with nose The more people of tears is more inapplicable.Its four, when taking off after dressing, environmental pollution that it is easily contacted by hands or places and unsuitable Reuse.Separately having a kind of structure, be the nose covering type breathing circuit filter utilizing mask body to combine replaceable filter material, it is for improving All shortcoming of nasal meatus formula breathing circuit filter.But, its filter material is directly arranged on nose cup cup, and filter material is almost only with nostril The same size, it is the least still to possess filter area, the shortcoming that respiratory resistance is big.
Utility model content
It follows that lack one in the market to take into account that wearing comfort, high leakproofness, filter capacity be strong, respiratory resistance Little, do not polluted by mouth and nose and the low respiratory protection of use cost has.Therefore, this utility model provides a kind of nose having and filtering casket Bell-type respiratory protection has, and seeks its solution.
According to an embodiment of this utility model structure aspect, a kind of have the nose covering type respiratory protection tool filtering casket, wears Wearing outside a nose, this apparatus structure comprises mask body, passage, deck, filtration casket, deck sky room and frenulum module. Wherein mask body is available for nose and inserts, and forms a nose cup air chamber.Additionally, passage is opened in lower ring wall or the nose of mask body Portion.Deck is connected mask body and is located at the outer side-lower of passage.It addition, filter casket can be sticked in plug the slot of deck In.When filtering casket and being sticked in deck, filter casket and deck forms deck sky room.Passage connection nose cup air chamber is empty with deck Room.Frenulum two ends tying mask body, then this utility model device is worn on face by corral brain later.Furthermore, mask body comprises One nose portion and a rampart portion.Nose portion connects rampart portion, and nose portion surrounds with rampart portion and forms a nose cup air chamber.Separately Outward, rampart portion comprises ring wall and ring wall once on one.When nose inserts mask body, nose portion is adjacent to nose, and upper ring wall is neighbouring The bridge of the nose and the wing of nose, lower ring wall is then adjacent to nostril.Additionally, deck then comprises a slot, a deck base plate and a deck ring wall.Its Middle deck is connected mask body and is located at the outer side-lower of passage.Frenulum Module Links is in mask body, and frenulum module is in order to strain Outside closely sealed mask body and nose.
Cover all shortcoming of nose and face to improve breathing circuit filter, this utility model uses and only covers nose simultaneously The structure aspect of son, so can improve large area and cover the feeling of oppression and heat of mouth and nose, improves wearing comfort, and can exempt face exhalation Gas or the pollution of saliva, more have the advantage that face can be allowed to maintain start.Nose covering type respiratory organ existing prior art, the such as U.S. Patent the 5th, 243,971 and 20140283843, is used in the most positive airway pressure (CPAP) to the application of gas.This many is known Technology proves that rigidity or semirigid mask body are feasible, furthermore structure of the present utility model the most different with these known techniques its Interest.It is applied to the nose cup of fume respirator, has U.S. Patent No. 6,752, No. 149, but the filtration face that this patent is arranged Long-pending too small, only nostril end one fritter area, it is difficult to meet the demand of generally using.
Owing to this utility model can be rigidity or semi-rigid material is made in mask body, with face during in order to improve wearing Adaptation, prevents extraneous air seepage from entering to destroy filter effect, and increases wearing comfort, therefore this utility model arranges sealing Pad.This sealing gasket connects rampart portion along the outer ledge of nose cup opening, and sealing gasket is in order to face outside closely sealed nose.About The sealing gasket of respiratory organ, has known technology, such as U.S. Patent No. 5, and 647,357,20140190492 and 4,971, No. 051. For easy joint packing, the outer rim circumference of mask body can be made flange (flange) structure, and flanged structure is mask body week Edge extends, and sealing gasket joining is together in flange.This sealing gasket uses pliability, gel (gel) material full of elasticity, comprises viscoelasticity Polyether polyols with reduced unsaturation or silica gel (silicone).The shape design of sealing strip, can be solid stripe, hollow circular strip, to Interior L font, outside L font or herringbone.No matter what type, purpose is provided that more elasticity and pliability and lightweight in consideration, It is more beneficial for closely sealed and wearing comfort.
In order to the gas of nose exhalation in mask body can be discharged rapidly, the fresh air concentration sucked can be promoted, And reduce sultry, and make wearing more comfortable, this utility model adds outlet valve in mask body.Outlet valve is a kind of one-way fluid Valve, it is allowed to stay body one-way flow and forbid reverse flow.The nose covering type respiratory protection tool of casket, wherein nose is filtered according to aforesaid tool Cover body can comprise an outlet valve.Outlet valve is arranged at the upper ring wall of mask body, and outlet valve can add cap protection.Additionally, in order to allow The waste gas of exhalation is taken in minimum, and allows and suck fresh extraneous gas ratio raising, the gas that nose breathes out should be confined to nose Cover air chamber, makes not expand to cassette sky room.For this purpose, an inlet valve structure can be added in passage.
It addition, aforementioned deck ring wall comprises a deck sky room retention Hp and a deck sealing strip.Deck sky room retention Hp ring Being located at inside deck ring wall, deck sealing strip ring sets and is posted by the side of deck sky room retention Hp, away from that side of deck base plate. When filtering casket engaging slot, filter casket and fit tightly deck sealing strip, press to deck sky room retention Hp, form airtight conditions. When allowing extraneous air enter cassette sky room by filtering casket, will not there is the short circuit that free air infiltration leaks.And card seat ring of the present utility model Wall can comprise a deck Kong Shi district wall, a deck sky room retention Hp, a deck sealing strip and one and filter casket district wall.Deck Kong Shi district Wall Connection Card seat bottom plate.The two ends of deck sky room retention Hp connect deck Kong Shi district wall respectively and filter casket district wall, and deck is empty Room retention Hp is at deck Kong Shi district's wall and filters between casket district wall.Deck sealing strip is located on filtration casket district wall and deck sky room At the linking angle of retention Hp.Slot is then located on filtration casket district wall.
Furthermore, deck base plate connects the lower ring wall of mask body, and vertical with lower ring wall.Deck may be designed to filter casket and insert Towards face is outer, deck base plate is close to face to groove, and such deck base plate can completely cut off saliva splash.Deck also may be designed to card seat bottom Plate is outer and filter casket slot and be close to face towards face, and such deck base plate can hide filtration casket and the most attractive in appearance outwardly.Work as slot Time outside face, lower ring wall can comprise a ventilation porose area wall and a lip relief area wall, and ventilation porose area wall connects lip buffering Qu Bi.Ventilation porose area wall connection adjacent with nose portion.Lip relief area wall passes through sealing gasket against face on nose lower lip in time dressing Face.Deck base plate connects lower ring wall and is located between ventilation porose area wall and lip relief area wall, deck base plate and lip relief area Wall is vertical.Additionally, when slot is towards face, lower ring wall can comprise a ventilation porose area wall and a lip relief area wall, and ventilation Porose area wall connects lip relief area wall.Ventilation porose area wall connection adjacent with nose portion.Lip relief area wall passes through close in time dressing Packing is against face on nose lower lip.Deck base plate connects nose portion, and deck base plate is vertical with lip relief area wall.
It addition, foregoing filtration casket can comprise filtration casket frame and a filter material.Filter casket frame and fix filter material, in order to convenient Fast installation is on deck, and is easy to open casket frame replacing filter material.Wherein filter material can be monolayer, multilamellar or compound various mistakes Filtration material layer.The form of filter material comprises flat screen, HEPA type zigzag filter screen, a bag-shaped filter screen or an airtight plate, wherein Bag-shaped filter screen can contain graininess or powder filter material.If use flat screen, then can obtain minimum use cost, very Extremely less than plane formula mask, and there is superior sealing.If using HEPA type zigzag filter screen, then can filter the thinnest Dust granules, and filter area is big, can reduce air-breathing impedance.If using bag-shaped filter screen and containing activated carbon or other absorption Property filter material, then can filter volatile organic compounds;This filter material thickness can be substantially larger than the bowl-type non-woven fabrics gauze mask of activated carbon Or plane formula mask, reach at a relatively high adsorption filtration effect;Perhaps its adsorption filtration effect is less than canister respirator, but but There is the most superior wearing comfort, although be unable to cope with mortality poison, but be enough to deal with most pollution organic gas.If making With bag-shaped filter screen and contain spice, then wearer can be allowed to suck fragrance breath, such as having when being applied to by bus is different Taste environment.If using bag-shaped filter screen and containing volatile medicine, then can use the treatment carrying out respiratory disease, due to can be straight Connecing and suck respiratory tract via nose, therefore therapeutic effect is good, is sucked the medical devices of volatile medicine by mouth compared with present market Inevitable more effectively fruit.If using airtight plate, then can be in order to check the air-tightness of wearing.If plyability takes in filtration casket Join these filter materials, such as outermost layer non-woven fabrics and completely cut off dust, intermediate layer activated carbon, internal layer fragrance spice, innermost layer Completely cut off dust with non-woven fabrics again, the most then can reach multiple function simultaneously.Or, change different filtration caskets on different opportunitys Adapting to different environment, the most same copy utility model tool filters the nose covering type respiratory protection tool of casket can change different mistake Filter casket, to deal with dust or the working environment of organic volatile gas respectively.Additionally, filtration casket of the present utility model with deck can be Tabular or arc tabular.When deck is arc tabular, deck sky room retention Hp, deck sealing strip and deck base plate are arc surfaced Shape.
Additionally, the inserted sheet of filtration casket and hook tackle jack and the button hole of deck, filter casket and be installed in card in plug mode On seat.The setting of jack, button hole, inserted sheet and hook can allow filtration casket closely be sticked on deck and do not loosen, and can enter one Step promotes filter effect.Being installed in canister respirator compared with canister to screw in engagement thread, the design has speed quickly and easily Advantage.And the quantity of jack is identical with the quantity of inserted sheet, the quantity of button hole is the most identical with the quantity of hook.Inserted sheet can be inserted into slotting Hole, and hook can closely fasten button hole, causes filtration casket can fit tightly deck sealing strip.
Furthermore, aforementioned this utility model device can comprise at least one frenulum module.This frenulum module can comprise at least one Band, two frenulum fixtures and two frenulum Couplings.Frenulum fixture is located at the upper ring wall of mask body and the phase near nose portion To both sides.Frenulum two ends are directly tied to frenulum fixture;Or be the most first tied to frenulum Coupling, then it is socketed by frenulum Part promptly plug connects frenulum fixture.Frenulum is degree of tightness telescopic resilience material, has a guiding mechanism, guiding mechanism in order to Adjust the length of frenulum.Frenulum is fixed, it is possible to decrease frenulum attaches or rubs what face was caused through special frenulum fixture Sense of discomfort.And frenulum module of the present utility model has two embodiments.One, frenulum fixture can be plane and toward relative two Side extension extends out.The end of each frenulum fixture comprises at least one tying hole, frenulum tying through tying hole.Its two, each Frenulum Coupling comprises a slide connecting part, at least one tying hole and eighty percent discount face.This eighty percent discount face is connected to each other.Slide connecting part divides with tying hole It is not positioned on eighty percent discount face.Wherein slide connecting part comprises a sleeve joint hole, a sliding channel and a coupling hole, and sleeve joint hole is near eighty percent discount face Junction, coupling hole is connected with coupling hole by sliding channel away from the junction in eighty percent discount face, sleeve joint hole.And the end of frenulum is even Clone knot hole.Each frenulum fixture may pass through sleeve joint hole and slides through sliding channel, and the most each frenulum fixture is limited in In coupling hole.Additionally, the folding face with tying hole is parallel to wearer face.
Outlet valve has many known techniques to adhere to different types of structure separately, it is possible to provide application.One is cantilevered one-way fluid Valve, such as U.S. Patent No. 6,854,463,5,325,892 and 5,509, No. 436.The valve of Japuntich et al. uses with outstanding Arm mode, this flexible lid of non-central installing is unilateral in valve seat, and its excess-three side covers the ridge edge of valve seat.And it is of the present utility model Outlet valve can comprise an expiration valve seat, the flexible cover plate of expiration and an exhaling hole.During wherein exhaling hole is located at expiration valve seat, and exhale The side around expiration valve seat is then located in one end of gas flexibility cover plate.When nose is exhaled, the other end of flexible cover plate of exhaling is remote From exhaling hole, and the air of nose exhalation is discharged from exhaling hole through nose cup air chamber.Otherwise, when nose, flexibility of exhaling Cover plate closely covers exhaling hole.
Another kind of common for disc type one-way fluid valve, also there is mature technology to be available for application, such as U.S. Patent No. 4, No. 414,937.The valve of Matheson et al. uses with discoid barrier film, and this single flexible lid, circumferential part are installed in valve seat center Divide the ridge edge covering valve seat.And outlet valve of the present utility model can comprise an expiration valve seat, a flexible cover plate and of exhaling is exhaled Pore.During wherein exhaling hole is located at expiration valve seat, this exhaling hole is round or ellipse, and exhale flexible cover plate also for round or Ellipse, and the center of flexible cover plate of exhaling is fixedly arranged on the center of expiration valve seat.When nose is exhaled, the circle of flexible cover plate of exhaling Perimembranous is away from exhaling hole, and the air of nose exhalation is discharged from exhaling hole through nose cup air chamber.Otherwise, when nose, exhale Gas flexibility cover plate enclosing cover closes exhaling hole.
Inlet valve on passage, its structure is because passage, still within filter material protection domain, prevents gas reverse The requirement of flowing is the highest not necessarily like outlet valve, as long as can prevent major part gas from flowing to cassette sky room in time exhaling.This Structure in U.S. Patent No. 2,895,472 it can be seen that similar designs.This inlet valve structure comprises passage and air-breathing flexible lid Sheet, air-breathing flexibility cover plate covers whole passage, and across being fixed on the center line of passage.When nose, air-breathing is flexible The other end of cover plate is away from passage.Otherwise, when nose is exhaled, air-breathing flexibility cover plate enclosing cover closes passage.Additionally, this inhales One end of gas flexibility cover plate is located at around passage or at the one of central authorities, and air-breathing flexibility cover plate is positioned at inside mask body.
Furthermore, because the cover plate of inlet valve structure is flexible, if really up to the mark, open area is little and is unfavorable for air-breathing, if the softest Then can subside through passage, lose blocking-proof result.For allowing its enough soft being unlikely to again subside, and design alteration vent hole structure. Therefore vent hole structure is in addition to an engraved structure shape, it is readily modified as a paliform structure or a vesicular texture, prevents flexibility Cover plate subsides inefficacy.
By aforementioned this utility model structure aspect, it is allowed to have multinomial basic advantage.One, only covers nose, not only Large area can be improved and cover the feeling of oppression and heat of mouth and nose, raising wearing comfort, and the pollution of face exhaled gas or saliva can be exempted, More there is the advantage that face can be allowed to maintain start.Its two, nose cup cup collocation sealing gasket and frenulum, improve the adaptation with face.Its Three, the area of filter material is relatively big, can promote filter effect and reduce respiratory impedance.Its four, after nose cup cup takes off filter, can Individually clean, maintain cleaning expanded service life.By above-described embodiment, mask body can pass through sealing gasket and fits tightly nose The face in outside, to realize being effectively isolated.Additionally, may utilize the bigger filter material of area to improve traditional filtering material because of ventilation Measure dyspnea that is little and that formed, effectively to promote filter effect.Can the arrange in pairs or groups use of medicament of filter material simultaneously is breathed Property disease treatment, due to can directly via nose suck respiratory tract, therefore therapeutic effect is good.Furthermore, outlet valve and inlet valve Gas unidirectional can be made to flow, allow the gas of exhalation be easily drained, and the waste gas taken in is minimized, exempt and repeat to suck exhalation Waste gas.Furthermore, the filtration casket of replaceable multi-form or filter material therein, not only have and filter or effect for the treatment of, and And without changing whole filter, have environmental protection concept concurrently.
Accompanying drawing explanation
Fig. 1 illustrates the tool of an embodiment of the present utility model and filters the wearing signal that the nose covering type respiratory protection of casket has Figure.
Fig. 2 illustrates the tool of Fig. 1 and filters the axonometric chart that the nose covering type respiratory protection of casket has.
Fig. 3 illustrates the tool of Fig. 1 and filters the exploded view that the nose covering type respiratory protection of casket has.
Fig. 4 illustrates the sectional view of the hatching line A-A of Fig. 2.
Fig. 5 illustrates the axonometric chart of the frenulum module of Fig. 1.
Fig. 6 illustrates the tool of another embodiment of the present utility model and filters the axonometric chart that the nose covering type respiratory protection of casket has.
Fig. 7 illustrates the tool of another embodiment of the present utility model and filters the sectional view that the nose covering type respiratory protection of casket has.
Fig. 8 A illustrates the axonometric chart filtering casket frame and filter material of another embodiment of the present utility model.
Fig. 8 B illustrates the axonometric chart filtering casket frame and filter material of another embodiment of the present utility model.
Fig. 8 C illustrates the axonometric chart of airtight plate of the present utility model.
Fig. 8 D illustrates the axonometric chart filtering casket frame and filter material of a further embodiment of the present utility model.
Fig. 9 A illustrates the sectional view of the sealing gasket of an embodiment of the present utility model.
Fig. 9 B illustrates the sectional view of the sealing gasket of another embodiment of the present utility model.
Fig. 9 C illustrates the sectional view of the sealing gasket of another embodiment of the present utility model.
The implication of symbol used in Figure of description is explained as follows:
100,600,700: tool filters the nose covering type respiratory protection tool of casket
200: mask body 202: nose cup air chamber
210: nose portion 220: rampart portion
222: upper ring wall 224: lower ring wall
226: ventilation porose area wall 228: lip relief area wall
230: outlet valve 232: expiration valve seat
234: flexible cover plate 236 of exhaling: exhaling hole
240: nose cup opening 250,250 ', 250 ": sealing gasket
252: flange 260: passage
270: air-breathing flexibility cover plate 300,300 ': deck
310,310 ': slot 320,320 ': deck base plate
330: deck ring wall 332: deck Kong Shi district's wall
334: deck sky room retention Hp 336: deck sealing strip
338: filtration casket district wall 340: deck sky room
350: jack 352: button hole
400,400 ': filtration casket 410: inserted sheet
420: hook 430: filter casket frame
441,441 ': flat screen 442:HEPA type zigzag filter screen
443: bag-shaped filter screen 444: airtight plate
450: cassette fence cover plate 452: cassette fence base plate
500,500 ': frenulum module 510,510 ': frenulum fixture
520: frenulum Coupling 521: slide connecting part
522,522 ': tying hole 523,523 ': folding face
524: sleeve joint hole 525: sliding channel
526: coupling hole 530,530 ': frenulum
532,532 ': guiding mechanism
Detailed description of the invention
The wearing of the nose covering type respiratory protection tool 100 that Fig. 1 illustrates the tool filtration casket of an embodiment of the present utility model shows It is intended to.As it can be seen, the nose covering type respiratory protection tool 100 that tool filters casket comprises mask body 200, deck 300, filtration Casket 400 and a frenulum module 500.It addition, this utility model device also comprises a nose cup air chamber 202, deck sky room 340 and leads to Pore 260.
See also Fig. 2, Fig. 3 and Fig. 4.Fig. 2 illustrates the vertical of the nose covering type respiratory protection tool 100 of the tool filtration casket of Fig. 1 Body figure.Fig. 3 illustrates the exploded view of the nose covering type respiratory protection tool 100 of the tool filtration casket of Fig. 1.Fig. 4 illustrates the hatching line A-A's of Fig. 2 Sectional view.Wherein mask body 200 is available for nose and inserts, and its material may utilize PP or other plastics are made.Mask body 200 comprises one Nose portion 210, one rampart portion 220, outlet valve 230, nose cup opening 240, sealing gasket 250 and passage 260.Wherein nose portion 210 connect rampart portion 220, and nose portion 210 surrounds with rampart portion 220 and forms a nose cup air chamber 202.Rampart portion 220 comprises one Upper ring wall 222 and ring wall 224 once.When nose inserts mask body 200, nose portion 210 is adjacent to nose, and upper ring wall 222 is neighbouring The bridge of the nose and the wing of nose, lower ring wall 224 is adjacent to nostril.Lower ring wall 224 comprises ventilation porose area wall 226 and a lip relief area wall 228. Wherein the two ends of lip relief area wall 228 connect ventilation porose area wall 226 and sealing gasket 250 respectively, ventilate porose area wall 226 then with The adjacent connection in nose portion 210.Lip relief area wall 228 in dress time through sealing gasket 250 against the face on nose lower lip, this face Region, face comprises in people, and sealing gasket 250 can fit tightly with this face region.
Additionally, nose is to be inserted by nose cup opening 240, the size of nose cup opening 240 at least can contain cover whole nose with Nostril.It is shaped as triangular form as nose cup opening 240, identical with the shape in nose front.Certainly, the shape of nose cup opening 240 Shape can be also other shapes, covers nose and nostril as long as can contain.It addition, sealing gasket 250 is along the outside of nose cup opening 240 Edge connects rampart portion 220.When nose inserts mask body 200, sealing gasket 250 can be the most closely sealed with the outside face of nose, Mask body 200 can be avoided to produce gap with face.And the elastomer that sealing gasket 250 utilizes deflection is made, though face's table Edema over the face moves, and sealing gasket 250 still can fit tightly the outside face of nose, to prevent gas from passing through.As for sealing gasket 250 and ring wall The connected mode in portion 220 can be then heat fused, bonding or other known junctures, does not gets loose as long as snugly into each other.Again Person, mask body 200 is provided with a passage 260, and this passage 260 is opened in the ventilation porose area wall 226 of lower ring wall 224 and runs through logical Pore district wall 226.Passage 260 can be an engraved structure shape, a paliform structure or a vesicular texture, makes mask body 200 Interior or exterior space be interconnected.
Furthermore, outlet valve 230 is arranged at ring wall 222, and outlet valve 230 comprises an expiration valve seat 232, and exhales flexible Cover plate 234 and an exhaling hole 236.The side around expiration valve seat 232 is located in one end of flexibility of exhaling cover plate 234, and exhales Hole 236 is located in expiration valve seat 232.When nose is exhaled, the other end of flexible cover plate 234 of exhaling is away from exhaling hole 236, and nose Son exhalation air through nose cup air chamber 202 from exhaling hole 236 is expelled to mask body 200;Otherwise, when nose, Flexible cover plate 234 of exhaling closely covers exhaling hole 236.In other words, it is only export but no import by the airflow direction of exhaling hole 236. Furthermore, the shape of exhaling hole 236 can be round, semi-circular or ellipse, and in the present embodiment, exhaling hole 236 is round.And exhale The shape of valve seat 232 can be round or square type, and in the present embodiment, expiration valve seat 232 is round.No matter exhale the shape of valve seat 232 Why, flexible cover plate 234 of exhaling cooperates with the shape of exhaling hole 236, big palpulus, the effect closely covered with realization.Value Obtaining one to be mentioned that, the structure of outlet valve 230 can use TaiWan, China patent I238729 or the design of No. M402110, passes through Its special outlet valve 230 also can reach to exhale and opens and effect that air-breathing closes.
Additionally, lower ring wall 224 is provided with an air-breathing flexibility cover plate 270.Passage is located in one end of air-breathing flexibility cover plate 270 At around 260 one, and air-breathing flexibility cover plate 270 is positioned at the inner side of mask body 200, that is is positioned among nose cup air chamber 202.When During nose, the other end of air-breathing flexibility cover plate 270 is away from passage 260.The now gas transmissive in deck sky room 340 Within passage 260 enters nose cup air chamber 202.Otherwise, when nose is exhaled, air-breathing flexibility cover plate 270 can present smooth putting down Planar also closely covers passage 260, and now air-breathing flexibility cover plate 270 can completely cut off the gas among nose cup air chamber 202 effectively Body flows in deck sky room 340 from passage 260.And owing to air-breathing flexibility cover plate 270 need to fully cover laminating passage 260, therefore the shape of air-breathing flexibility cover plate 270 can need to have certain relatedness with the shape of passage 260.Such as passage 260 During for strip, it is the most suitable that the shape of air-breathing flexibility cover plate 270 is set to square type strip.Additionally can be with multiple passages 260 Collocation is with the air-breathing flexibility cover plate 270 of quantity, such as about correspondence, two nostrils arrange left and right two long strip type passages 260.Ventilation Hole 260, in addition to can being engraved structure shape, also can be staggered netted or cellular, to provide air-breathing flexibility cover plate 270 relatively Good support.
Deck 300 comprises slot 310, deck base plate 320, deck ring wall 330, deck sky room 340, jack 350 and a button hole 352.Deck 300 is connected the outer rim of mask body 200.The notch direction of slot 310 is directed towards outside face, and inserts Groove 310 is located in deck ring wall 330.Deck base plate 320 is located at the outer side-lower of passage 260.Additionally, deck base plate 320 Upper end connects lower ring wall 224 and is located between ventilation porose area wall 226 and lip relief area wall 228.In other words, lower ring wall 224 With deck base plate 320 for boundary, near the region of nose for ventilation porose area wall 226, then delay for lip near the region of face Rush district's wall 228.It addition, the angular range of deck base plate 320 and lip relief area wall 228 is 70 degree to 120 degree, and preferably press from both sides Angle is 90 degree.Deck base plate 320 is corresponding with face and has a certain distance each other, facilitating face to exhale, speak, take food or It is engaged in other start.Furthermore, deck ring wall 330 comprises wall 332, deck sky room, deck Kong Shi district retention Hp 334, card Seat sealing strip 336 and one filters casket district wall 338.Wherein deck Kong Shi district wall 332 Connection Card seat bottom plate 320.Slot 310 is located at Filter on casket district wall 338.The two ends of deck sky room retention Hp 334 connect deck Kong Shi district wall 332 respectively and filter casket district wall 338, and deck sky room retention Hp 334 is between deck Kong Shi district wall 332 and filtration casket district wall 338.Deck sealing strip 336 ring It is located at and filters being connected at angle of casket district wall 338 and deck sky room retention Hp 334, and be fixed on deck sky room retention Hp 334 and mould Groove on.Additionally, the space that deck sky room 340 is surrounded by deck Kong Shi district wall 332 and deck base plate 320.Passage 260 connection nose cup air chambers 202 and deck sky room 340.It addition, jack 350 and button hole 352 are all located on filtration casket district wall 338, and Jack 350 and button hole 352 lay respectively at the opposite sides filtering casket district wall 338.Furthermore, deck 300 can be arc tabular.Work as deck 300 when being arc tabular, and deck sky room retention Hp 334, deck sealing strip 336 and deck base plate 320 are also arc shape.It is worth one Be mentioned that, mask body 200 and deck 300 can Unitary injection formed, through one-body molded main approach of stopping a leak, and can drop Low manufacturing cost and alleviate weight.
Filter casket 400 can be sticked in plug in the slot 310 of deck 300.When filtering casket 400 and being sticked in deck 300, Filter casket 400, deck base plate 320 and deck ring wall 330 and form deck sky room 340.Furthermore, engage slot 310 when filtering casket 400 Time, filter casket 400 and fit tightly deck sealing strip 336, and deck sealing strip 336 is positioned at filtration casket 400 and positions with deck sky room Between lip 334.Additionally, filter casket 400 to comprise inserted sheet 410, hook 420, filtration casket frame 430 and a flat screen The filter material of 441.Inserted sheet 410 is convexly equipped in the cartridge case two ends filtering casket 400 respectively with hook 420.It is sticked in card filtering casket 400 During seat 300, first inserted sheet 410 is inserted jack 350, then hook 420 is buckled in button hole 352.Hook 420 can be closely Fasten button hole 352, cause filtration casket 400 to fit tightly deck sealing strip 336.From the foregoing, inserted sheet 410 and hook 420 points It is not positioned at the opposite sides filtering casket 400.Certainly, inserted sheet 410 can be plural with the quantity of jack 350, namely two with On, as long as the quantity of inserted sheet 410 is identical with the quantity of jack 350 and position is corresponding with shape.In like manner, hook 420 with The quantity of button hole 352 can also be plural number, as long as the quantity of hook 420 is identical with the quantity of button hole 352 and position and shape phase Corresponding.Shape and structure as inserted sheet 410 or hook 420 are the most ripe and are known technology, and therefore its details is no longer Repeat.It addition, filter casket frame 430 to be located at the periphery of flat screen 441, inserted sheet 410 and hook 420 are located on filtration casket frame 430. The outside air of suction can be filtered by filter material through flat screen 441 effectively.Owing to flat screen 441 can be adhered to miscellaneous Matter, filters casket 400 so needing to change after nose covering type respiratory protection tool 100 use a period of times of tool filtration casket or only changes filtration Material, and the nose covering type respiratory protection tool 100 that tool of the present utility model filters casket is not only changed conveniently, and can be for different need Seek use filtration casket 400 miscellaneous.It is noted that owing to the filter effect of filter material often just becomes with manufacturing cost Ratio, the filter material that filter effect is the best needs higher production cost, and it is determined by user demand.Furthermore, filter casket 400 can be tabular or arc tabular with deck 300.No matter shape why, filters casket 400 the most required with the shape of deck 300 Will in correspondence with each other, to reach the effect closely engaged.
Refer to the axonometric chart that Fig. 5, Fig. 5 illustrate the frenulum module 500 of Fig. 1.The present embodiment uses 2 frenulum modules 500, Each frenulum module 500 comprises two frenulum fixture 510, two frenulum Coupling 520 and frenulums 530.Certainly, its structure can According to demand and the design of maker of wearer, single frenulum module can be used, or increase other auxiliary frenulums, such as from face Face through the crown to the end after frenulum.And the frenulum fixture 510 of frenulum module 500 be located at mask body 200 upper ring wall 222 and Opposite sides near nose portion 210.Each frenulum Coupling 520 comprises slide connecting part 521, tying hole 522 and an eighty percent discount face 523、523’.Wherein slide connecting part 521 and tying hole 522 lay respectively on folding face 523 and folding face 523 '.Slide connecting part 521 comprises one Sleeve joint hole 524, one sliding channel 525 and a coupling hole 526.The sleeve joint hole 524 bending part apart from eighty percent discount face 523,523 ' is relatively near, The coupling hole 526 bending part apart from eighty percent discount face 523,523 ' is farther out.Sleeve joint hole 524 is by sliding channel 525 with coupling hole 526 even Logical.Eighty percent discount face 523,523 ' is connected to each other.Each frenulum fixture 510 may pass through sleeve joint hole 524 and slides through sliding channel 525, the most each frenulum fixture 510 is limited in coupling hole 526.Furthermore, each frenulum 530 comprises a guiding mechanism 532, Guiding mechanism 532 is in order to adjust the length of frenulum 530.The end of frenulum 530 links tying hole 522.The length of frenulum 530 can shadow Ring adaptation and the comfort level of wearer arriving sealing gasket 250 and face.When 2 frenulum modules 500 are worn on user During head, wherein frenulum 530 can enclose through on ear around head one, and another frenulum 530 is through cincture under ear Cervical region one encloses.If the length of frenulum 530 is the shortest, frenulum 530 is the tightest, although adaptation can increase, but relatively comfort level can drop Low.In order to take into account adaptation and comfort level, frenulum 530 is to select elastic good degree of tightness to stretch to bring realization.
Fig. 6 illustrates the solid of the nose covering type respiratory protection tool 600 of the tool filtration casket of another embodiment of the present utility model Figure.This device comprises mask body 200, deck 300 and a frenulum module 500 '.Coordinate the embodiment party refering to Fig. 5, Fig. 6 In formula, frenulum module 500 ' is different with the frenulum module 500 of Fig. 5.Difference, the frenulum module 500 ' bag of Fig. 6 embodiment Containing two frenulum fixture 510 ' and frenulums 530 '.Certainly, this device can have multiple frenulum module even other frenulums to combine, end See the design of maker and the demand of wearer.Ring wall 222 is located at by the frenulum fixture 510 ' of frenulum module 500 ', and close The opposite sides in nose portion 210.Two frenulum fixtures 510 ' are that the both sides extension of plane and past mask body 200 extends out, frenulum The end of fixture 510 ' has a tying hole 522 ', and the end of another frenulum fixture 510 ' has another tying hole 522’.Additionally, the two ends of frenulum 530 ' can be provided with clamp device, two tying holes 522 ' can be each passed through and tying, buckle, Cohere or other modes link.Frenulum 530 ' has a guiding mechanism 532 ', and guiding mechanism 532 ' is in order to adjust frenulum 530 ' Length.Two frenulum fixtures 510 ' are respectively provided with enough length, make frenulum 530 ' will not attach or rub face, can avoid wearing The discomfort of wearer.
Fig. 7 illustrates the section view of the nose covering type respiratory protection tool 700 of the tool filtration casket of another embodiment of the present utility model Figure.This device comprises mask body 200, deck 300 ', filtration casket 400 ' and a frenulum module 500.Coordinate refering to figure 4, in the embodiment of Fig. 7, mask body 200 and frenulum module 500 are respectively with mask body 200 corresponding in Fig. 4 and frenulum mould Block 500 is identical, repeats no more.Specifically, the notch direction of the slot 310 ' of Fig. 7 embodiment is directed towards face.Deck 300 ' comprise deck base plate 320 ' and a slot 310 '.Filter casket 400 ' to be between face and deck base plate 320 '.Nose The nose portion 210 Connection Card seat bottom plate 320 ' of cover body 200.Filtration casket 400 ' is corresponding with face and has a certain distance each other, To facilitate face respiratory gas, to speak, take food or be engaged in other start.
Fig. 8 A~8D illustrates the various embodiments of filtration casket frame of the present utility model and filter material, coordinates refering to Fig. 3.Fig. 8 A Illustrate the axonometric chart filtering casket frame and HEPA type zigzag filter screen 442 of another embodiment of the present utility model.Fig. 8 B illustrates The axonometric chart filtering casket frame and bag-shaped filter screen 443 of another embodiment of the present utility model.Fig. 8 C illustrates of the present utility model The axonometric chart of airtight plate 444.Fig. 8 D then illustrates the filtration casket frame of a further embodiment of the present utility model and the vertical of filter material Body figure.As it can be seen, filter material is in addition to the flat screen 441 shown in available Fig. 3 is made, it be also possible to use HEPA type zigzag Filter screen 442, bag-shaped filter screen 443 or flat screen 441 ', the filter screen of multi-form has different filter effects.In detail, The filter area of HEPA type zigzag filter screen 442 is more than the filter area of flat screen 441, therefore easy ventilation breath, and HEPA type zigzag filter screen 442 can filter the thinnest dust granules, and filter effect is preferable.Furthermore, bag-shaped filter screen 443 can hold Dress activated carbon or other sorbent filter materials, not only can filter volatile organic compounds, and the thickness of this bag-shaped filter screen 443 Can be substantially larger than bowl-type non-woven fabrics gauze mask or the plane formula mask of activated carbon, there is at a relatively high adsorption filtration effect.Additionally, it is bag-shaped Filter screen 443 also can contain spice and suck fragrance breath by wearer, can increase comfort in the ambient environment having abnormal flavour. Bag-shaped filter screen 443 also can contain volatile medicine, in order to carry out the treatment of respiratory disease, owing to can directly suck via nose Respiratory tract, compared with the most on the market by the therapeutic effect of the medical devices of mouth suction volatile medicine the most more preferably.As for airtight plate 444 can be as laminating detector, and the sealing gasket 250 observing mask body 200 through wearer air-breathing is the most complete with face Laminating and be airtight conditions.It addition, filter the form that casket frame can be cassette fence cover plate 450, simultaneously collocation flat screen 441 ' And being applied in combination of cassette fence base plate 452, can effectively filter the air of suction.Certainly, filter material can be monolayer filter screen Or its filter effect of the filter structure of multistorey strainer mesh, more multilamellar is the best, and the filter structure of multilamellar can be in conjunction with different filters Net is to realize different functions, such as: electrostatic precipitation, volatile spice or medicament, threadiness activated carbon, gold nanoparticle catalyst, can Isolation water or the screen material of carbon monoxide.Furthermore, can in filter casket 400 outside install a splash guard, with avoid rainwater or Other water droplet splashes.Need to leave certain gap, to facilitate the flowing of air between this splash guard and filtration casket 400.
Fig. 9 A, Fig. 9 B and Fig. 9 C illustrate the sealing gasket 250,250 ', 250 of three kinds of embodiments of the present utility model " each Planting may planform sectional view.As it can be seen, in order to be able to install sealing gasket 250,250 ', 250 miscellaneous ", mask body The edge of 200 can a fixed flange 252, this flange 252 is to connect sealing gasket 250,250 ', 250 ", make sealing gasket 250, 250 ', 250 " there is enough connection areas to be close to and not get loose.Furthermore, sealing gasket 250 is circular, and sealing gasket 250 ' is Anvil shape, and sealing gasket 250 " it is outside L-type.Mask body 200 is through various forms of sealing gaskets 250,250 ', 250 " not only may be used Fit tightly with the region of face, and there is certain elasticity, can make the face of wearer in tension frenulum module 500, Preferably comfort level is still had, to avoid the face constriction caused because of tension frenulum module 500,500 ' after 500 '.
From above-mentioned embodiment, this utility model has the advantage that one, and the nose covering type of tool filtration casket is breathed anti- Protector only covers nose, not only can improve large area and cover the feeling of oppression and heat of mouth and nose, and face can be allowed to maintain start.Its two, from mouth This device is polluted in the gas of bar exhalation or saliva will not enter into respiratory protection tool.Its three, jagged filter material area Bigger, it is possible to decrease air-breathing impedance.Its four, fix frenulum through special frenulum fixture, can avoid frenulum attach or friction face The sense of discomfort that face is caused.Its five, the slot of deck can towards face outer or face, if towards outside face, can completely isolated use The saliva of person, if towards face, can hide filtration casket and the most attractive in appearance.Its six, the filtration casket of replaceable multi-form, not only Optional filter with treatment etc. purposes, and without changing whole respiratory protection tool, have environmental protection concept concurrently.
Although this utility model is disclosed above with embodiment, so it is not limited to this utility model, any ripe Practise this those skilled in the art, without departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations, therefore this practicality Novel protection domain is when being as the criterion with those as defined in claim.

Claims (14)

1. one kind has the nose covering type respiratory protection tool filtering casket, is worn on outside a nose, it is characterised in that this tool filters casket Nose covering type respiratory protection tool comprises:
One mask body, is available for this nose and inserts, and this mask body comprises a nose portion and a rampart portion, and this nose portion connects this ring wall Portion, and this nose portion and this rampart portion surround and form a nose cup air chamber, this rampart portion comprises ring wall and ring wall once on one, when this When nose inserts this mask body, this nose portion is adjacent to nose, and on this, ring wall is adjacent to the bridge of the nose and the wing of nose, and this lower ring wall is adjacent to nostril;
One passage, is opened in this lower ring wall or this nose portion;
One deck, comprises a slot, a deck base plate and a deck ring wall, and this deck is connected this mask body and is located at this passage Outer side-lower;
One filters casket, can be sticked in plug in this slot of this deck;
One deck sky room, when this filtration casket is sticked in this deck, this filtration casket, this deck base plate and this deck ring wall are formed should Deck sky room, this passage connects this nose cup air chamber and this deck sky room;And
At least one frenulum module, is linked in this mask body and is located on wearer head, and this frenulum module is in order to strain closely sealed being somebody's turn to do Mask body and wearer face.
2. tool as claimed in claim 1 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this mask body is also wrapped Contain:
One nose cup opening, is opened in this rampart portion;
One sealing gasket, connects this rampart portion, and this sealing gasket is in order to face outside this nose closely sealed, and this sealing gasket is along this nose cup opening Connect this rampart portion.
3. tool as claimed in claim 1 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this mask body is also wrapped Contain:
One outlet valve, is arranged at ring wall on this;And
One inlet valve, is arranged at this passage.
4. tool as claimed in claim 1 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this deck ring wall bag Filtering casket district wall containing a deck Kong Shi district wall, a deck sky room retention Hp, a deck sealing strip and one, this deck Kong Shi district wall is even Connecing this deck base plate, the two ends of this deck sky room retention Hp connect this deck Kong Shi district wall and this filtration casket district wall respectively, and should Deck sky room retention Hp is between this deck Kong Shi district's wall and this filtration casket district wall, and this deck sealing strip is located on this filtration casket At the linking angle of this deck sky room retention Hp of Qu Biyu, this slot is located on this filtration casket district wall, inserts when this filtration casket engages this During groove, this filtration casket fits tightly this deck sealing strip, and this deck sealing strip is positioned at this filtration casket and positions with this deck sky room Between lip.
5. tool as claimed in claim 4 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this lower ring wall comprises One ventilation porose area wall and a lip relief area wall, this ventilation porose area wall connects this lip relief area wall, this ventilation porose area wall and this The adjacent connection in nose portion, this lip relief area wall dress time through a sealing gasket against face on nose lower lip, this deck base plate Connect this lower ring wall and be located between this ventilation porose area wall and this lip relief area wall, this deck base plate and this lip relief area wall Vertically, this slot is towards outside face.
6. tool as claimed in claim 4 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this lower ring wall comprises An one ventilation porose area wall and lip relief area wall, this ventilation porose area wall connects this lip relief area wall, this ventilation porose area wall with should The adjacent connection in nose portion, this lip relief area wall dress time through a sealing gasket against face on nose lower lip, this deck base plate Connecting this nose portion, this deck base plate is vertical with this lip relief area wall, and this slot is towards face.
7. tool as claimed in claim 4 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this filtration casket comprises One filters casket frame and a filter material, and this filter material is located in this filtration casket frame, the form of this filter material comprise a flat screen, HEPA type zigzag filter screen, a bag-shaped filter screen or an airtight plate, this filtration casket and this deck are tabular or arc tabular, when this Deck is arc tabular, and this deck sky room retention Hp, this deck sealing strip and this deck base plate are arc shape.
8. tool as claimed in claim 6 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this deck further includes At least one jack and at least one button hole, this filtration casket comprises at least one inserted sheet and at least one hook, and the quantity of this jack is inserted with this The quantity of sheet is identical, and the quantity of this button hole is identical with the quantity of this hook, and this inserted sheet inserts jack, and this hook closely fastens this button Hole, causes this filtration casket to fit tightly this deck sealing strip.
9. tool as claimed in claim 1 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this frenulum module is also Comprise:
One frenulum, comprises a guiding mechanism, and this guiding mechanism is in order to adjust the length of this frenulum;
Two frenulum fixtures, are located at ring wall and the opposite sides near this nose portion on this of this mask body;And
Two frenulum Couplings, respectively this frenulum Coupling comprises a slide connecting part, at least one tying hole and eighty percent discount face, and this eighty percent discount face is each other Linking, this slide connecting part and this tying hole lay respectively on this eighty percent discount face, and this slide connecting part comprises a sleeve joint hole, a sliding channel and Coupling hole, this sleeve joint hole is near the junction in this eighty percent discount face, and this coupling hole is away from the junction in this eighty percent discount face, and this sleeve joint hole passes through This sliding channel connects with this coupling hole;
Wherein the end of this frenulum links this tying hole, and respectively this frenulum fixture may pass through this sleeve joint hole and slides through this slip Passage, respectively this frenulum fixture is limited in this coupling hole, and this folding face with this tying hole is parallel to wearer face.
10. tool as claimed in claim 1 filters the nose covering type respiratory protection tool of casket, it is characterised in that wherein this frenulum module Also comprise:
Two frenulum fixtures, are located at ring wall and the opposite sides near this nose portion on this of this mask body, and this two frenulum is fixed Part is plane and extends out toward opposite sides extension, and respectively the end of this frenulum fixture comprises at least one tying hole;And
At least one frenulum, the tying through this tying hole, this frenulum has a guiding mechanism, and this guiding mechanism in order to adjust this is The length of band.
11. have the nose covering type respiratory protection tool filtering casket as claimed in claim 3, it is characterised in that wherein this outlet valve bag Containing an expiration valve seat, the flexible cover plate of expiration and an exhaling hole, this exhaling hole is located in this expiration valve seat, this expiration flexibility cover plate One end be located at the side around this expiration valve seat, when this nose is exhaled, the other end of this expiration flexibility cover plate is away from this expiration Hole, and the air of this nose exhalation discharges from this exhaling hole through this nose cup air chamber, this expiration flexible lid when this nose Sheet closely covers this exhaling hole.
12. have the nose covering type respiratory protection tool filtering casket as claimed in claim 3, it is characterised in that wherein this outlet valve bag Containing an expiration valve seat, the flexible cover plate of expiration and an exhaling hole, this exhaling hole is located in this expiration valve seat, and this exhaling hole is round Or ellipse, this expiration flexibility cover plate is round or ellipse, and the center of this expiration flexibility cover plate is fixedly arranged on this expiration valve seat Center, when this nose is exhaled, the circumferential part of this expiration flexibility cover plate is away from this exhaling hole, and the air of this nose exhalation passes through This nose cup air chamber is discharged from this exhaling hole, and when this nose, this expiration flexibility cover plate enclosing cover closes this exhaling hole.
13. have the nose covering type respiratory protection tool filtering casket as claimed in claim 3, it is characterised in that wherein this inlet valve is also Comprise:
One air-breathing flexibility cover plate, one end of this air-breathing flexibility cover plate is located at around this passage or at the one of central authorities, and this air-breathing is scratched Property cover plate is positioned at inside this mask body, and when this nose, the other end of this air-breathing flexibility cover plate is away from this passage, when this When nose is exhaled, this air-breathing flexibility cover plate enclosing cover closes this passage.
14. have the nose covering type respiratory protection tool filtering casket as claimed in claim 1, it is characterised in that wherein this passage is One engraved structure shape, a paliform structure or a vesicular texture.
CN201620181727.9U 2015-03-27 2016-03-10 Utensil filters nose cup formula respiratory protection utensil of casket Expired - Fee Related CN205626758U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW104110023 2015-03-27
TW104110023A TWI552784B (en) 2015-03-27 2015-03-27 Nasal mask respirator with filter cartridge

Publications (1)

Publication Number Publication Date
CN205626758U true CN205626758U (en) 2016-10-12

Family

ID=57076359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620181727.9U Expired - Fee Related CN205626758U (en) 2015-03-27 2016-03-10 Utensil filters nose cup formula respiratory protection utensil of casket

Country Status (2)

Country Link
CN (1) CN205626758U (en)
TW (1) TWI552784B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106621099A (en) * 2016-12-15 2017-05-10 李大国 Gas filtering and exchanging device with dual-chamber structure
CN110507018A (en) * 2018-05-21 2019-11-29 3M创新有限公司 Mask
WO2021234567A1 (en) * 2020-05-18 2021-11-25 M/S. Basamitra Safeties Pvt Ltd A reusable full face mask

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI645882B (en) * 2017-06-23 2019-01-01 王寧助 Separator device for air-purifying breathing protective equipment
TWI663999B (en) * 2017-08-08 2019-07-01 研能科技股份有限公司 Air-filtering protector
TWI671096B (en) * 2018-01-29 2019-09-11 王寧助 Exhalation device with separation effect
TWI702974B (en) * 2020-02-21 2020-09-01 亞東技術學院 Mouth and nose mask

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6277178B1 (en) * 1995-01-20 2001-08-21 3M Innovative Properties Company Respirator and filter cartridge
US5579761A (en) * 1995-01-20 1996-12-03 Minnesota Mining And Manufacturing Company Respirator having snap-fit filter cartridge
KR200329002Y1 (en) * 2003-07-02 2003-10-04 김영호 Nose mask for negative ion release and dust prevention
US20070006557A1 (en) * 2005-07-05 2007-01-11 Treatyou Medical Technology Co. Filter system for respiratory mask and method of implementing the filter system
US7237550B1 (en) * 2006-01-18 2007-07-03 Jing-Jyr Lin Respirator containing filter cases
TWM362011U (en) * 2009-04-01 2009-08-01 Chin Kou Medical Instr Co Ltd Improved structure of nasal mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106621099A (en) * 2016-12-15 2017-05-10 李大国 Gas filtering and exchanging device with dual-chamber structure
CN110507018A (en) * 2018-05-21 2019-11-29 3M创新有限公司 Mask
WO2021234567A1 (en) * 2020-05-18 2021-11-25 M/S. Basamitra Safeties Pvt Ltd A reusable full face mask

Also Published As

Publication number Publication date
TWI552784B (en) 2016-10-11
TW201634077A (en) 2016-10-01

Similar Documents

Publication Publication Date Title
CN205626758U (en) Utensil filters nose cup formula respiratory protection utensil of casket
US20180133524A1 (en) Mask for preventing inhalation of pollutants
CN106858822A (en) Lower resistance protective mask
CN107551417A (en) Respirator with shunting effect
CN204522056U (en) A kind of air filter
CN202620521U (en) Nose cup with air flow extender
CN106310555A (en) Variable plane-cavity type medical mask
CN206499794U (en) The interior big ventilation section haze-proof mask of aeration type
CN102872551B (en) Nostril breathing type mask with breathing tubes
KR100533546B1 (en) Fuctional mask
CN105105369B (en) Liquid filtering type mouth mask
CN106512253A (en) Nose cover with breather valve and breathing filter device including nose cover
CN111802727A (en) Infectious disease anti-suffocating mask device for department of respiration
CN206183828U (en) Nose mask
CN203736741U (en) Combined type purification device for air outside nose
CN205947197U (en) Gauze mask air purifier
CN207306149U (en) A kind of mask
CN206729260U (en) A kind of Antifogging mask
CN207285282U (en) A kind of mask of adjustable upper respiratory tract flora and local immunity
CN206324275U (en) A kind of general multifunctional respirator
GB2367757A (en) Mask for cyclists
CN205516062U (en) Anti -dust respirator
CN104248071A (en) Micro air current control module, use thereof and breathable mask made by using micro air current control module
TWI697343B (en) Face mask and valve structure thereof
CN215455616U (en) Breathable mask

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161012

Termination date: 20190310

CF01 Termination of patent right due to non-payment of annual fee