CN215692615U - Second-hand smoke filter - Google Patents

Abstract

The utility model relates to a second-hand smoke filter which comprises a shell, wherein a filter element is assembled in the shell to form a filter channel, an exhaust port communicated with one end of the filter channel and a smoke exhaling port communicated with the other end of the filter channel are arranged on the shell, an annular rubber mouth pad surrounding the smoke exhaling port is arranged on the shell, a mouth pad seat hole is formed in the shell, the rubber mouth pad comprises an annular gasket and a cylinder ring, the annular gasket is fixed at one end of the mouth pad seat hole, the inner peripheral side of the annular gasket extends to cross the edge of the mouth pad seat hole to form an elastic deformation inner side edge, the cylinder ring extends into the mouth pad seat hole, the cylinder ring comprises a cylinder ring main body forming a deformation interval with the inner wall of the mouth pad seat hole, and the cylinder ring main body and the elastic deformation inner side edge are integrally formed and connected. Has the advantages of good fitting degree with human mouth, good comfort and good smoke filtering effect.

Description

Second-hand smoke filter

Technical Field

The present invention relates to filters.

Background

In order to reduce the influence of the second-hand smoke on the environment, the adopted scheme is in the form of an air purifier with a special filter element for the second-hand smoke, air in the environment is sucked by an exhaust fan and is exhausted after passing through the filter element, and the purification treatment of the smoke is realized; still another type is a hand held filter having an opening for the smoker to exhale smoke, which is directed at the smoke opening and directed into the filter for filtering and discharge. The smoke is directly discharged and filtered in a handheld mode, and the smoke discharging and filtering device is small in structure and convenient to carry and use; however, it has the following disadvantages: 1. the mouth for spitting the smoke from the mouth of the human body is poor in fitting degree with the mouth of the human body, so that discomfort is caused, and the risk of smoke leakage exists; 2. the filter element is fixed on the inner wall of the cylinder shell of the filter by glue on the peripheral side, so that the filter element of the filter cannot be replaced, and the whole filter is discarded after the filter element is damaged, thereby causing great waste.

Disclosure of Invention

The utility model aims at: in order to overcome the defects in the prior art, the utility model provides the second-hand smoke filter which is good in fitting degree with the mouth of a human body and good in comfort, and has the advantage of good smoke filtering effect.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a second-hand-cigarette filter, includes the casing, and the casing internal assembly is equipped with the filter core and is formed filtering channel, is equipped with the gas vent with filtering channel one end intercommunication on the casing to and exhale the mouth, its characterized in that with the flue gas of filtering channel other end intercommunication: the casing on be equipped with and enclose into the mouth pad of cigarette exhaling into mouth, annular rubber, be equipped with a mouthful pad hole on the casing, the rubber mouthful pad includes cyclic annular packing ring and bobbin circle, cyclic annular packing ring is fixed in a mouthful pad hole one end, cyclic annular packing ring internal side extends and crosses a mouthful pad hole border and forms the inboard side of elastic deformation, in the bobbin circle stretches into a mouthful pad hole, the bobbin circle includes and forms the barrel circle main part of deformation interval with mouthful pad hole inner wall interval, the bobbin circle main part is connected with the inboard side integrated into one piece of elastic deformation.

Through adopting above-mentioned technical scheme, when using, the rubber mouth pad is aimed at to the mouth, but the inboard side of elastic deformation of cyclic annular packing ring and section of thick bamboo circle main part elastic deformation in order to realize human mouth profile, realize comparatively mild laminating, both guaranteed the travelling comfort, also make the reliable laminating of rubber mouth pad and human mouth, avoid leaking outward of flue gas.

Preferably, the casing includes hollow barrel casing, has the filtration passageway in the barrel casing, has the filtration passageway air inlet seat mouth of connecting the flue gas exhale mouth and filtering passageway in the barrel casing, and the barrel casing bottom is equipped with the gas vent, and the barrel casing top is equipped with the bung hole, and the bung hole upper cover is equipped with the seat circle, has a mouthful cushion hole on the seat circle, and annular gasket fixes on the seat circle, and the mouthful cushion hole bottom of seat circle has the end of compressing tightly, the cartridge circle main part has sealed blank holder for the other end shaping of being connected one end with the inboard edge of elastic deformation, and sealed blank holder supports through compressing tightly the end and presses fixedly and sealed cooperation on the filtration passageway air inlet seat mouth of barrel casing. Under this structural design, the installation that adopts the seat circle to realize rubber mouthful pad is fixed, and the inner (sealed blank pressing corresponds one end) of rubber mouthful pad adopts to compress tightly fixedly and constitutes the sealing connection of bobbin circle and filtration passageway air inlet seat mouth for in the continuous extension of mouth of flue gas exhaling to filtration passageway, carry out filtration treatment in guaranteeing the entering filtration passageway that the flue gas can be more smooth, reduce the delay risk of flue gas.

Preferably, filter core includes the filter core box and locates the filter media in the filter core box, and filter core box bottom has the venthole that corresponds the intercommunication with the gas vent, and filter core box top has filter channel air inlet seat mouth, the bung hole supplies the filter core box to put into the bucket shell and takes out from the bucket shell, and seat circle demountable installation is on the bucket shell, and filter core box bottom supports on the bucket shell, compresses tightly the end through sealed blank pressing and supports and press in filter core box top, and sealed blank pressing encircles the filter channel air inlet seat mouth at filter core box top. According to the structural design, the barrel opening can be opened by detaching the seat ring with the rubber opening pad, the filter element is taken out for replacement operation, the filter is repeatedly used, and the use cost is saved; and the sealing edge pressing plays a role in sealing connection of the rubber port gasket and the filter, provides elastic pressing force for the filter element box and has the fixing effect of the rubber port gasket, and the filter has the advantages of simple and compact structure, and firm and reliable installation.

Preferably, there are a plurality of bellied rubber coupling nails along the axial along circumference evenly distributed on the annular packing ring bottom surface, be equipped with the installation end plate on the seat circle, the installation end plate be equipped with rubber coupling nail one-to-one complex link up the jack, rubber coupling nail one end is passed and is link up the jack, and rubber coupling nail passes and link up jack one end and be equipped with the barb dop that prevents rubber coupling nail and deviate from, barb dop and the spacing cooperation of installation end plate. Under this structural design, have cyclic annular packing ring simple to operate's advantage, under this design moreover for the elastic stretching of the whole usable rubber of cyclic annular packing ring carries out deformation, and rubber mouthful pad realizes better deformation adaptation when making human mouth detain into rubber mouthful pad.

Preferably, the seat ring comprises an outer connecting cylinder, an annular middle connecting plate and an inner cylinder which are integrally connected, the outer connecting cylinder is fixedly connected to the barrel shell, the outer peripheral side of the annular middle connecting plate is connected with the outer connecting cylinder, the inner circumferential side of the annular middle connecting plate is connected with the inner cylinder, the hole cavity of the inner cylinder forms the mouth cushion hole, and the annular cushion is supported on the annular middle connecting plate. Under this structural design, have the neat and artistic and convenient advantage of processing of appearance.

Preferably, the cylinder ring main body comprises a conical sleeve with a small upper part and a large lower part, the large end of the conical sleeve is connected with the sealing blank holder, and the small end of the conical sleeve is connected with the connecting ring connected with the annular gasket. Under the structural design, the size of the air inlet seat opening of the filtering channel is improved, the gas passing efficiency is ensured, and the whole structure is compact

Preferably, a plurality of supporting convex plates are distributed on the inner wall of the barrel shell along the circumferential direction, the bottom of the filter element box is supported on the supporting convex plates to form the filter element box bottom which is erected on the barrel shell, the exhaust port is formed by honeycomb holes arranged on the bottom end face of the bottom of the barrel shell, and an overhead space is arranged between the air outlet hole at the bottom of the filter element box and the exhaust port. Under this structural design, the empty installation of filter core box frame guarantees gas exhaust rate.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a second-hand smoke filter in accordance with an embodiment of the present invention;

FIG. 2 is a bottom view of a second-hand smoke filter in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along A-A in FIG. 2;

FIG. 4 is an exploded view of a second-hand smoke filter in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of the construction of a race according to an embodiment of the present invention.

Detailed Description

Referring to the attached drawings 1-5, the second-hand smoke filter disclosed by the utility model comprises a shell 1, a filter element 2 is assembled in the shell 1 to form a filtering channel, an exhaust port 11 communicated with one end of the filtering channel is arranged on the shell 1, and exhale into mouth 12 with the flue gas that filters the passageway other end intercommunication, casing 1 on be equipped with and enclose into the flue gas exhale into mouth 12, annular rubber mouthful pad 3, be equipped with mouthful pad hole 13 on casing 1, rubber mouthful pad 3 includes annular packing ring 31 and tube ring 32, annular packing ring 31 is fixed in mouthful pad hole 13 one end, the inboard side of annular packing ring 31 extends and crosses mouthful pad hole 13 border and form the inboard side 311 of elastic deformation, tube ring 32 stretches into in mouthful pad hole 13, tube ring 32 includes and forms the tube ring main part 321 of deformation interval I with mouthful pad hole 13 inner wall 131 interval, tube ring main part 321 is connected with the inboard side 311 integrated into one piece of elastic deformation. When using, the rubber mouth pad is aimed at to the mouth, but the inboard side of elastic deformation of cyclic annular packing ring and section of thick bamboo circle main part elastic deformation realize comparatively mild laminating in order to realize human mouth profile, have both guaranteed the travelling comfort, also make the reliable laminating of rubber mouth pad and human mouth, avoid leaking outward of flue gas, guarantee flue gas filter effect.

In order to facilitate the installation of the rubber mouth gasket, the shell 1 comprises a hollow barrel shell 1-1, a filtering channel is arranged in the barrel shell 1-1, a filtering channel air inlet seat port 14 for connecting the smoke breathing port 12 and the filtering channel is arranged in the barrel shell 1-1, an air outlet 11 is arranged at the bottom of the barrel shell 1-1, in the specific embodiment, the air outlet 11 adopts a honeycomb pore structure design, the top of the barrel shell 1-1 is provided with a barrel mouth, the upper cover of the barrel mouth is provided with a seat ring 1-2, the seat ring 1-2 is provided with a mouth gasket seat hole 13, an annular gasket 31 is fixed on the seat ring 1-2, the bottom end of the mouth gasket seat hole 13 of the seat ring 1-2 is provided with a pressing end 132, the other end of the barrel ring main body 321, which is connected with one end of the elastic deformation inner side edge 311, is formed with a sealing pressing edge 322, the sealing edge 322 is pressed and fixed on and matched with the filtering channel air inlet seat port 14 of the barrel shell 1 in a sealing way through the pressing end 132, the sealing fit achieves that the flue gas can smoothly enter the filtering channel through the cylinder ring 32. Adopt the seat circle to realize that the installation of rubber mouthful pad is fixed, the inner (sealed blank pressing corresponds one end) of rubber mouthful pad adopts to compress tightly fixedly and constitutes the sealing connection of bobbin circle and filtering channel inlet port for in the continuous extension of mouth is breathed out to the flue gas filtered the passageway, carries out filtration treatment in guaranteeing the entering filtering channel that the flue gas can be more smooth, reduces the delay risk of flue gas. As a feasible scheme of the utility model, the design of a seat ring which is formed by independent processing can be omitted, but the defect that the rubber opening cushion is inconvenient to mount exists. The seat ring and the barrel shell can be fixedly connected without being detached, and can also be detachably connected, and the detachable connection is preferred for facilitating the replacement of the rubber opening pad. The cylinder ring main body 321 comprises a tapered sleeve 3211 with a small upper part and a large lower part, the large end of the tapered sleeve 3211 is connected with the sealing blank holder 322, and the small end of the tapered sleeve 3211 is connected with a connecting ring 3212 connected with the annular gasket 31; under this design, improve the size of filtering channel inlet port, guarantee that gaseous efficiency of passing through, and overall structure is compact.

The annular gasket is fixed on the seat ring by adopting a fastener (such as a screw or a pressure ring), fixed by glue or forms a sleeved outer ring to realize sleeved fixation and the like, but in order to facilitate installation and elastic deformation of the annular gasket which can better adapt to the rubber mouth pad, the annular gasket adopts the following structural design, a plurality of rubber connecting nails 33 which are protruded along the axial direction are uniformly distributed on the bottom surface of the annular gasket 31 along the circumferential direction, an installation end plate is arranged on the seat ring 1-2, the installation end plate is provided with through insertion holes 1-221 which are matched with the rubber connecting nails 33 in a one-to-one correspondence way, one end of each rubber connecting nail 33 penetrates through the through insertion holes 1-221, one end of each rubber connecting nail 33 penetrating through the through insertion holes 1-221 is provided with a barb clamp 331 which prevents the rubber connecting nail 33 from falling off, and the barb clamp 331 is in limited fit with the installation end plate. Have cyclic annular packing ring simple to operate's advantage, under this design moreover for the elastic stretching of the whole usable rubber of cyclic annular packing ring carries out deformation, and rubber mouthful pad realizes better deformation adaptation when making human mouth detain into rubber mouthful pad. As is conventional in the art, barb chucks have a tapered mating guide surface.

In this embodiment, the seat ring 1-2 includes an outer connecting cylinder 1-21, an annular intermediate connecting plate 1-22 and an inner cylinder 1-23 which are integrally connected, the outer connecting cylinder 1-21 is fixedly connected to the barrel casing 1-1, the outer peripheral side of the annular intermediate connecting plate 1-22 is connected to the outer connecting cylinder 1-21, the inner circumferential side of the annular intermediate connecting plate 1-22 is connected to the inner cylinder 1-23, the bore of the inner cylinder 1-23 forms the mouth cushion hole 13, and the annular gasket 31 is supported on the annular intermediate connecting plate 1-22. Has the advantages of neat and beautiful appearance and convenient processing. The annular middle connecting plates 1-22 are provided with through jacks, namely the annular middle connecting plates 1-22 are the mounting end plates, and the matching of the rubber opening gasket and the seat ring is more compact and attractive; the top ends of the outer connecting cylinders 1-21 are higher than the annular middle connecting plates 1-22, and the top surfaces of the seat rings are enclosed into grooves for the annular gaskets to be embedded, so that the annular gaskets are shielded and protected, and the appearance is attractive. Of course, as a person skilled in the art will appreciate with reference to the present invention and in combination with the known art, other alternative designs of seat ring are possible, such as a single connector barrel, which is fixed to the tub shell, an end plate formed by everting the connector barrel, etc.

In addition, the filter element 2 comprises a filter core box 21 and a filter material 22 arranged in the filter core box 21, the bottom of the filter core box 21 is provided with an air outlet 211 correspondingly communicated with the air outlet 11, the top of the filter core box 21 is provided with the filter channel air inlet seat port 14, the filter channel air inlet seat port 14 is formed by a plurality of densely distributed small holes in the figure, the filter core box 21 is placed into the barrel shell 1-1 and taken out from the barrel shell 1-1 through the barrel port, the seat ring 1-2 is detachably arranged on the barrel shell 1-1, the seat ring is arranged on the barrel shell in a threaded screwing mode, the bottom of the filter core box 21 is supported on the barrel shell 1-1, the pressing end 132 is pressed against the top of the filter core box 21 through the sealing pressing edge 322, and the sealing pressing edge 322 surrounds the filter channel air inlet seat port 14 on the top of the filter core box 21. The barrel opening can be opened by removing the seat ring with the rubber opening gasket, and the filter element is taken out for replacement operation, so that the filter can be repeatedly used, and the use cost is saved; and the sealing edge pressing plays a role in sealing connection of the rubber port gasket and the filter, provides elastic pressing force for the filter element box and has the fixing effect of the rubber port gasket, and the filter has the advantages of simple and compact structure, and firm and reliable installation. The seat ring is used as a cover for limiting the filter element, the whole structure is compact, and the cover structure for limiting the filter element can adopt other structural forms, for example, a detachable cover is formed at the bottom of the barrel shell, a supporting structure for supporting the filter element box is formed at the top end of the barrel shell, and the like, but the whole structure of the filter is complex.

In this embodiment, the exhaust port 11 is formed by honeycomb holes formed in the bottom end surface of the bottom of the barrel casing 1-1, and under the design of the filter element box, the filter element box is prevented from shielding the exhaust port 11 to influence the passage of gas, a plurality of supporting convex plates 1-11 are distributed on the inner wall of the barrel casing 1-1 along the circumferential direction, the bottom of the filter element box 21 is supported on the supporting convex plates 1-11, so that the bottom of the filter element box 21 is erected on the barrel casing 1-1, and an overhead space is formed between the exhaust port 211 in the bottom of the filter element box 21 and the exhaust port 11. The filter element box is installed in an empty mode, and the gas exhaust rate is guaranteed.

Claims (7)

1. The utility model provides a second-hand-cigarette filter, includes the casing, and the casing internal assembly is equipped with the filter core and is formed filtering channel, is equipped with the gas vent with filtering channel one end intercommunication on the casing to and exhale the mouth, its characterized in that with the flue gas of filtering channel other end intercommunication: the casing on be equipped with and enclose into the mouth pad of cigarette exhaling into mouth, annular rubber, be equipped with a mouthful pad hole on the casing, the rubber mouthful pad includes cyclic annular packing ring and bobbin circle, cyclic annular packing ring is fixed in a mouthful pad hole one end, cyclic annular packing ring internal side extends and crosses a mouthful pad hole border and forms the inboard side of elastic deformation, in the bobbin circle stretches into a mouthful pad hole, the bobbin circle includes and forms the barrel circle main part of deformation interval with mouthful pad hole inner wall interval, the bobbin circle main part is connected with the inboard side integrated into one piece of elastic deformation.

2. The second-hand smoke filter according to claim 1, wherein: the casing includes hollow barrel casing, has the filtration passageway in the barrel casing, has the filtration passageway air inlet seat mouth of connecting the flue gas and exhaling the mouth and filtering the passageway in the barrel casing, and the barrel casing bottom is equipped with the gas vent, and the barrel casing top is equipped with the bung hole, and the bung hole upper cover is equipped with the seat circle, has a mouthful cushion hole on the seat circle, and the annular gasket is fixed on the seat circle, and the mouthful cushion hole bottom of seat circle has the end that compresses tightly, the cartridge circle main part has sealed blank pressing for the other end shaping of being connected one end with the inboard edge of elastic deformation, and sealed blank pressing is supported through compressing tightly the end and is pressed fixedly and sealed cooperation on the filtration passageway air inlet seat mouth of barrel casing.

3. The second-hand smoke filter according to claim 2, wherein: the filter element includes filter core box and locates the filter media in the filter core box, and filter core box bottom has the venthole that corresponds the intercommunication with the gas vent, and filter core box top has filter passageway air inlet seat mouth, the bung hole supplies the filter core box to put into the bucket shell and takes out from the bucket shell, and seat circle demountable installation is on the bucket shell, and filter core box bottom supports on the bucket shell, compresses tightly the end through sealed blank pressing and supports to pressing in filter core box top, and sealed blank pressing encircles the filter passageway air inlet seat mouth at filter core box top.

4. A second-hand smoke filter according to claim 2 or 3, characterised in that: the annular gasket bottom surface is last along circumference evenly distributed with a plurality of along the bellied rubber connection nail of axial, be equipped with the installation end plate on the seat circle, the installation end plate be equipped with rubber connection nail one-to-one complex link up the jack, rubber connection nail one end is passed and is link up the jack, and rubber connection nail passes and link up jack one end and be equipped with the barb dop that prevents rubber connection nail and deviate from, barb dop and the spacing cooperation of installation end plate.

5. A second-hand smoke filter according to claim 2 or 3, characterised in that: the seat ring comprises an outer connecting cylinder, an annular middle connecting plate and an inner cylinder which are connected in an integrated forming mode, the outer connecting cylinder is fixedly connected onto the barrel shell, the outer peripheral side of the annular middle connecting plate is connected with the outer connecting cylinder, the inner circumferential side of the annular middle connecting plate is connected with the inner cylinder, the hole cavity of the inner cylinder forms the mouth cushion seat hole, the annular gasket is supported on the annular middle connecting plate, and the lower end of the inner cylinder forms a pressing end which presses against the sealing blank holder.

6. A second-hand smoke filter according to claim 2 or 3, characterised in that: the cylinder ring main body comprises a conical sleeve with a small upper part and a large lower part, the large end of the conical sleeve is connected with the sealing blank holder, and the small end of the conical sleeve is connected with a connecting ring connected with the annular gasket.

7. The second-hand smoke filter according to claim 3, wherein: the barrel casing inner wall distributes along circumference has a plurality of support flange, and filter core box bottom supports on supporting the flange, constitutes filter core box bottom and erects on the barrel casing, has built on stilts space between the venthole of filter core box bottom and the gas vent.

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