CN221122322U - Air inlet expansion structure of portable smoke machine - Google Patents

Abstract

The utility model relates to an air inlet expansion structure of a portable smoke machine, which comprises a base structure and a suction structure obliquely arranged on the base structure, wherein an air inlet and an air outlet are arranged on the suction structure, a first installation cavity is formed between the two openings, a filter component and a suction component are installed in the first installation cavity, the portable smoke machine also comprises more than two smoke guide covers of different types, and one smoke guide cover of more than two smoke guide covers is detachably installed at the air inlet; the air inlet of the portable smoke machine can be connected with different smoke guide covers according to smoke discharge requirements and different smoke discharge forms of the smoke, so that the smoke guide covers always maintain optimal smoke guide efficiency, different smoke discharge requirements are met, the portable smoke machine is more flexible and convenient, and smoke discharge and filtration efficiency of the portable smoke machine is guaranteed.

Description

Air inlet expansion structure of portable smoke machine

Technical Field

The utility model relates to the field of portable smoke exhaust ventilator, in particular to an air inlet expansion structure of a portable smoke exhaust ventilator.

Background

The portable smoke machine (also called a table smoke machine) can filter the oil smoke generated during cooking, can flexibly move, and is particularly suitable for being used during cooking on a dining table (such as roasting on the dining table, making chafing dish and the like).

The prior art disclosed by the prior table top smoke exhaust ventilator is as follows:

The application number of the Chinese patent literature is as follows: the portable purifying smoke exhaust ventilator of CN202211636950.4 is characterized by that its disclosed structure mainly consists of filter cylinder, fan component, filtering component, purifying component and base structure, in which one end of the filter cylinder is air inlet, another end of the filter cylinder is air outlet, and the interior of the filter cylinder is equipped with ventilating channel, when in use one end of the air inlet is aimed at kitchen ware produced by cooking fume, after the ventilating channel forms negative pressure, the cooking fume is sucked from the air inlet and filtered, and in this prior art, the air inlet always retains the uniformly-sucking effect around, but in the cooking process, when adopting different cooking modes, different cooking fume forms can be produced, so that the single air inlet can not meet different smoke exhaust requirements, and the inventor can provide a new scheme for consumer to select for use by means of improvement and perfection of structure.

Disclosure of Invention

The utility model aims to solve the existing problems and provide an air inlet expansion structure of a portable smoke machine, which has a simple and reasonable structure and is mainly used for connecting different types of smoke guide covers according to smoke discharge requirements and different smoke discharge modes of smoke.

The utility model provides an air intake extension structure of portable cigarette machine, includes base structure and slope setting suction structure on base structure, be equipped with air intake and air outlet on the suction structure, and form first installation cavity between two mouthfuls, install filter component and suction component in the first installation cavity, still include the leading petticoat pipe of more than two different types, the leading petticoat pipe of more than two is selected one to be installed in air intake department detachably.

The aim of the utility model can be also solved by adopting the following technical measures:

as a more specific scheme, the fume guiding hood comprises a horn fume guiding hood, a cap edge type fume guiding hood and a duckbill fume guiding hood.

As a further scheme, all be provided with on horn type smoke guide cover, cap edge formula smoke guide cover and the duckbilled formula smoke guide cover and install and remove connecting portion, the suction is structurally corresponding to install and remove connecting portion and is provided with the connection cooperation portion to through installing and removing connecting portion and connection cooperation portion combination alternative detachably install in air intake department.

As a further scheme, the horn-type smoke guide cover, the cap edge type smoke guide cover and the duckbill type smoke guide cover are provided with mounting stop surfaces which are in limit and offset with the edge of the air inlet.

As a further scheme, the horn-shaped fume guiding hood comprises a circular ring-shaped first hood ring, wherein the first hood ring is connected outside the suction structure in a nested mode, the outer end of the first hood ring is connected with a horn hood in an adaptive mode, and the diameter of a fume inlet port of the horn hood is larger than that of a fume outlet port of the horn hood.

As a further scheme, the cap edge type fume guiding hood comprises a circular second hood ring, the second hood ring is connected outside the suction structure in a nested mode, the upper portion of the second hood ring extends to the outer side, the length of the cap edge occupies more than one third of the circumference of the second hood ring, and an inclined guide ring is further arranged between the cap edge and the second hood ring.

As a further scheme, the duckbill smoke guide cover comprises a circular third cover ring, the third cover ring is connected outside the suction structure in a nested mode, the outer end of the third cover ring extends to form a duckbill cover, and a flat smoke inlet port is formed through the duckbill cover.

As a further scheme, the assembly and disassembly connecting part and the connecting matching part are assemblies of an outer close fitting surface and an inner close fitting surface, or a combination of a buckling piece and a buckled part, or a combination of an external thread part and an inner thread part, or a combination of a raw magnet and a magnet receiving body, or a combination of an outer connecting hole and an inner connecting hole.

As a further scheme, the suction structure leans against the bottom of the air inlet to provide an oil collecting port, an oil collecting channel communicated with the oil collecting port is arranged in the base structure, a second mounting cavity is arranged below the oil collecting channel, and an oil storage cup communicated with the oil collecting channel is detachably connected in the second mounting cavity.

As a further scheme, the suction structure comprises a shell and an air duct device which is arranged in the shell and defines a first installation cavity, wherein the shell is of a straight tubular structure which is communicated with the front and the back, and the air inlet, the first installation cavity and the air outlet are arranged on the same straight line;

The air duct device comprises a filter cover and a protective cover, wherein the filter cover and the protective cover are in a horn shape, small openings in the filter cover and the protective cover are mutually butted, a large opening of the filter cover is communicated with an air inlet, a large opening of the protective cover is communicated with an air outlet, the filter assembly is connected in the filter cover, and the suction assembly is connected in the protective cover.

The beneficial effects of the utility model are as follows:

The air inlet expansion structure of the portable smoke machine can be connected with different types of smoke guide covers according to smoke discharge requirements and different smoke discharge modes of smoke, so that the smoke guide covers always maintain the best smoke guide efficiency, are suitable for different smoke discharge requirements, and enable the portable smoke machine to be more flexible and convenient and ensure the smoke discharge and filtration efficiency of the portable smoke machine.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic view of a horn-type smoke guiding hood and a partially enlarged sectional structure thereof according to the present utility model.

Fig. 3 is a schematic view of a hat-brim type smoke guiding hood and a partially enlarged sectional structure thereof according to the present utility model.

Fig. 4 is a schematic view of a duckbill smoke guide cover and a partially enlarged cross-sectional structure thereof according to the present utility model.

Fig. 5 is a schematic cross-sectional view of the suction structure of the present utility model.

Fig. 6 is an exploded view of the suction structure of the present utility model.

FIG. 7 is an exploded view of the filter assembly of the present utility model.

Fig. 8 is a schematic view of a stator blade structure according to the present utility model.

Fig. 9 is a schematic structural diagram of a second embodiment of the present utility model.

FIG. 10 is a schematic view of a flexible structure of the present utility model.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

Example 1

As shown in fig. 1 to 4, the air inlet expansion structure of the portable smoke machine comprises a base structure 1 and a suction structure 2 obliquely arranged on the base structure 1, wherein an air inlet 201 and an air outlet 202 are arranged on the suction structure 2, a first installation cavity 203 is formed between the two openings, a filter assembly 3 and a suction assembly 4 are installed in the first installation cavity 203, the portable smoke machine further comprises a horn-shaped smoke guide hood 5, a cap-type smoke guide hood 6 and a duckbill-type smoke guide hood 7, and the horn-shaped smoke guide hood 5, the cap-type smoke guide hood 6 and the duckbill-type smoke guide hood 7 are alternatively and detachably installed at the air inlet 201.

The air inlet 201 of the portable smoke machine can be connected with different smoke guide covers according to smoke discharge requirements and different smoke discharge forms of the smoke, so that the smoke guide covers always maintain optimal smoke guide efficiency, different smoke discharge requirements are met, the portable smoke machine is more flexible and convenient, and smoke discharge and filtration efficiency of the portable smoke machine is guaranteed.

The horn-shaped smoke guide hood 5, the cap edge-type smoke guide hood 6 and the duckbill-type smoke guide hood 7 are respectively provided with a detachable connection part, the suction structure 2 is provided with a connection matching part corresponding to the detachable connection part, and the suction structure is alternatively detachably arranged at the air inlet 201 through the combination of the detachable connection part and the connection matching part; this structure makes each lead petticoat pipe can realize fast-assembling or quick detach, promotes the use and experiences, and in this embodiment, install and remove connecting portion and be outer close-fitting face 801, connect the mating portion and be interior close-fitting face 802, during the assembly, through outer close-fitting face 801 and interior close-fitting face 802 interference fit to the close-fitting is to suction structure 2.

In other embodiments, the detachable connection portion and the connection mating portion may be a combination of a fastening member and a fastened portion, or a combination of an external threaded portion and an internal threaded portion, or a combination of a green magnet and a magnet (the green magnet may be a magnet, the magnet may be a magnet or an iron block), or a combination of an external connection hole and an internal connection hole, and the external connection hole and the internal connection hole are fastened by a fastening unit such as a screw.

The horn-shaped smoke guide cover 5, the cap edge type smoke guide cover 6 and the duckbill-shaped smoke guide cover 7 are provided with a mounting stop surface A which is in limit and propped against the edge of the air inlet 201; the installation position of the horn-type smoke guide cover 5, the cap edge type smoke guide cover 6 or the duckbill-type smoke guide cover 7 can be limited by the installation stop surface A.

The method specifically comprises the following steps:

The horn-shaped smoke guide cover 5 comprises a circular first cover ring 501, the first cover ring 501 is connected outside the suction structure 2 in a nested manner, the outer end of the first cover ring 501 is connected with a horn cover 502 in an adaptive manner, and the diameter of a smoke inlet port of the horn cover 502 is larger than that of a smoke outlet port;

This kind of loudspeaker formula leads petticoat pipe 5 is applicable to the oil smoke and disperses in indoor condition to can increase the area of induced drafting through loudspeaker cover 502, and can play better guide effect to the oil smoke all around, improve smoking efficiency, and outer close-fitting face 801 is the medial surface of first cover circle 501, and the inner of loudspeaker cover 502 extends and forms the installation and ends a position face A inwards relative first cover circle 501.

The hat brim type smoke guiding hood 6 comprises a circular second cover ring 601, the second cover ring 601 is connected outside the suction structure 2 in a nested manner, a hat brim 602 extends outwards from the upper part of the second cover ring 601, the length of the hat brim 602 occupies more than one third of the circumference of the second cover ring 601, and an inclined guide ring 603 is arranged between the hat brim 602 and the second cover ring 601;

This kind of cap edge formula leads petticoat pipe 6 is applicable to the circumstances that oil smoke rises naturally, runs into cap edge 602 and shelters from the back speed reduction and inhale the suction structure through the air intake in the ascending process and filter, and outer close-fitting face 801 is the medial surface of second shroud circle 601, and slope water conservancy diversion circle 603 is to the inboard slope setting of narrowing, can dock smoothly with the air intake, reduces oil smoke resistance, and the inner formation installation of slope water conservancy diversion circle 603 ends and ends position face A.

The duckbill smoke guide cover 7 comprises a circular third cover ring 701, the third cover ring 701 is connected outside the suction structure 2 in a nested manner, the outer end of the third cover ring 701 extends to form a duckbill cover 702, and a flat smoke inlet 703 is formed through the duckbill cover 702;

This kind of duckbill formula leads the condition that petticoat pipe 7 is applicable to a large amount of oil smoke and produces, thereby forms flat mouthful of cigarette inlet port 703 through duckbill cover 702, and this structure utilizes Bernoulli effect, and when the oil smoke flowed into duckbill cover 702, can accelerate at the narrow department of cigarette inlet port 703 to promote smoking efficiency, and outer close-fitting face 801 is the medial surface of third cover circle 701, and is provided with the step face between third cover circle 701 and the duckbill cover 702, and the step face forms and installs the position face A that ends.

An oil collecting port 204 is formed in the suction structure 2 near the bottom of the air inlet 201, an oil collecting channel 11 communicated with the oil collecting port 204 is formed in the base structure 1, a second mounting cavity 101 is formed below the oil collecting channel 11, and an oil storage cup 12 communicated with the oil collecting channel 11 is detachably connected in the second mounting cavity 101;

The oil is collected in the oil storage cup 12 through the oil collecting port 204 and the oil collecting channel 11, and the oil storage cup 12 is transversely arranged in the base structure 1 in a drawing mode, so that the oil storage cup 12 does not need to leak outwards, and the appearance of the portable smoke machine is simpler and more compact.

In addition, an electric control board 13 electrically connected with the motor and a rechargeable battery pack 14 electrically connected with the electric control board 13 are also arranged in the base structure 1; make portable cigarette machine can break away from municipal power, can realize the energy supply when outdoor use.

As shown in fig. 5 to 8, the suction structure 2 includes a housing 21 and an air duct device disposed in the housing 21 and defining a first installation cavity 203, where the housing 21 has a straight tubular structure that penetrates from front to back, and the air inlet 201, the first installation cavity 203, and the air outlet 202 are disposed on the same straight line; the structure reduces the circuitous path of the first installation cavity 203, so that the oil smoke can directly enter and directly exit, and the air suction efficiency and the filtering efficiency of the oil smoke are improved;

The wind channel device is including filter cover 22 and safety cover 23, filter cover 22 and safety cover 23 all are loudspeaker form, and the mutual butt joint of the osculum in the two, and the osculum and the air intake 201 intercommunication of filter cover 22, the osculum and the air outlet 202 intercommunication of safety cover 23, filter component 3 are connected in filter cover 22, suction component 4 is connected in safety cover 23, and this structure wind channel device utilizes Bernoulli effect equally, sets up suction component 4 in the narrow position department between the two, when suction component 4 provides the power of induced drafting, can further improve the speed that the oil smoke flows.

In this embodiment, the filter assembly 3 includes two filter frames 31, and the two filter frames 31 are clamped inside the filter cover 22; the filter screen 32, the filter screen 32 is fixed between two filter screen frames 31, and also define the opening 311 that is arranged below the filter screen 32 between two filter screen frames 31, make filter screen 32 and collection hydraulic fluid port 204 switch on through this opening 311, the filter screen 32 is suitable for filtering the greasy dirt in the oil smoke, and the grease of interception flows into opening 311 downwards under the effect of gravity to collect through collection hydraulic fluid port 204 and collection oil passageway 11 inflow oil storage cup 12.

In addition, a pull-up structure 312 is provided on the screen frame 31 near the air inlet 201; the whole filter assembly 3 is taken out of the filter housing 22 by the pulling structure 312 under the action of external force; the filter screen frame 31 far away from the air inlet 201 is provided with an iron block 33 at a position corresponding to the pulling structure 312, and the filter cover 22 is provided with a magnet 34 corresponding to the iron block 33, so that the filter assembly 3 can realize quick disassembly and self-priming positioning through magnetic attraction matching. Wherein the pull-up structure 312 is a handle in this embodiment.

The suction assembly 4 comprises a motor bracket 401 which is arranged on the inner side of the protective cover 23 and is positioned at one end of the protective cover 23 close to the air outlet 202; a driving motor 402 disposed on the motor support 401 and located between the motor support 401 and the filter housing 22; an impeller 403 disposed on the output shaft of the driving motor 402, the impeller 403 being located between the driving motor 402 and the filter housing 22; the drive motor 402 is adapted to drive the impeller 403, and the impeller 403 is adapted to power the oil smoke entering the air duct device, so that the flow speed of the oil smoke is increased.

The impeller 403 may be a mixed flow impeller, and air and oil smoke in the air duct device are sucked and accelerated along with rotation of the impeller 403, and the air and the oil smoke are mixed and flow along an axial direction of the impeller 403. At the same time, the special shape of the blades of the impeller 403 is such that the flow direction of the air and the oil smoke entering the air duct device is changed to be parallel to the axis of the impeller 403, which causes the air and the oil smoke to have a parallel momentum, and the air and the oil smoke passing through the impeller 403 have a certain arc direction and are conveyed towards the air outlet 202.

A protection net 231 protruding towards the air inlet and shaped like a honeycomb is arranged between the impeller 403 and the filter screen 32, and the protection net 231 is arranged on a small opening of the protection cover 23; the protection net 231 prevents the impeller 403 from being damaged by massive particles or fixed substances.

In addition, still including connecting the support ring 404 on the guard shield 23, be provided with a plurality of stator blades 405 between the inner wall of support ring 404 and the lateral wall of motor support 401, the surface of stator blade 405 can be the cambered surface, stator blade 405 is towards the tangential direction of the central line between motor support 401 and the support ring 404, can play good water conservancy diversion effect to the oil smoke this moment. In addition, the surface of the stationary blade 405 may be a straight surface, and in this case, noise generated during smoke discharge can be reduced.

And, still be connected with water conservancy diversion spare 9 on the motor support 401, water conservancy diversion spare 9 is horn mouth form and arranges the outside of air outlet in, the bore of water conservancy diversion spare 9 near motor support 401 one end is less than the bore of keeping away from motor support 401 one end.

Example two

In the second embodiment, as shown in fig. 9, the smoke guiding hood is formed by connecting an elongated flexible structure X end to end, and is sleeved at the air inlet after connection to realize the smoke guiding hood function, and in addition, as shown in fig. 10, the smoke guiding hood can be formed into a horn-shaped structure according to the connection angle, so that the diameter of a smoke inlet port is larger than that of a smoke outlet port, or the diameter of the smoke inlet port is smaller than that of the smoke outlet port.

The present embodiment is not limited thereto. The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an air intake extension structure of portable cigarette machine, includes base structure (1) and slope setting suction structure (2) on base structure (1), be equipped with air intake (201) and air outlet (202) on suction structure (2), and form first installation cavity (203) between two mouthfuls, install filtration subassembly (3) and suction subassembly (4), its characterized in that in first installation cavity (203): the air inlet (201) is detachably arranged at one of the two or more than two smoke guide covers.

2. The air intake expansion structure of a portable smoke machine according to claim 1, wherein: the fume guiding hood comprises a horn fume guiding hood (5), a cap edge type fume guiding hood (6) and a duckbill fume guiding hood (7).

3. The air intake expansion structure of the portable smoke machine according to claim 2, wherein: the horn-type smoke guide hood (5), the hat brim-type smoke guide hood (6) and the duckbill-type smoke guide hood (7) are respectively provided with a detachable connection part, the suction structure (2) is correspondingly provided with a connection matching part, and the horn-type smoke guide hood, the hat brim-type smoke guide hood (6) and the duckbill-type smoke guide hood are alternatively detachably arranged at the air inlet (201) through the combination of the detachable connection part and the connection matching part.

4. The air intake expansion structure of the portable smoke machine according to claim 2, wherein: the horn-shaped smoke guide cover (5), the cap edge type smoke guide cover (6) and the duckbill-shaped smoke guide cover (7) are provided with an installation stop surface (A) which is in limit and offset with the edge of the air inlet (201).

5. The intake vent extension structure of a portable range hood of any one of claims 2-4, wherein: the horn-shaped smoke guide cover (5) comprises a circular ring-shaped first cover ring (501), the first cover ring (501) is connected outside the suction structure (2) in a nested mode, the outer end of the first cover ring is connected with a horn cover (502) in an adaptive mode, and the diameter of a smoke inlet port of the horn cover (502) is larger than that of a smoke outlet port.

6. The intake vent extension structure of a portable range hood of any one of claims 2-4, wherein: the hat brim type smoke guiding cover (6) comprises a circular second cover ring (601), the second cover ring (601) is connected outside the suction structure (2) in a nested mode, the upper portion of the second cover ring extends to the outer side, the length of the hat brim (602) occupies more than one third of the circumference of the second cover ring (601), and an inclined guide ring (603) is further arranged between the hat brim (602) and the second cover ring (601).

7. The intake vent extension structure of a portable range hood of any one of claims 2-4, wherein: the duckbill smoke guide cover (7) comprises a circular third cover ring (701), the third cover ring (701) is connected outside the suction structure (2) in a nested mode, the outer end of the third cover ring extends to form a duckbill cover (702), and a flat smoke inlet port (703) is formed through the duckbill cover (702).

8. The air intake extension structure of a portable cigarette machine of claim 3, wherein: the assembly and disassembly connecting part and the connecting matching part are assemblies of an outer tight matching surface (801) and an inner tight matching surface (802), or a combination of a buckling piece and a buckled part, or a combination of an external thread part and an internal thread part, or a combination of a raw magnet and a magnet receiving body, or a combination of an outer connecting hole and an inner connecting hole.

9. The air intake expansion structure of a portable smoke machine according to claim 1, wherein: oil collecting ports (204) are formed in the bottom of the suction structure (2) close to the air inlet (201), oil collecting channels (11) communicated with the oil collecting ports (204) are formed in the base structure (1), a second mounting cavity (101) is formed below the oil collecting channels (11), and oil storage cups (12) communicated with the oil collecting channels (11) are detachably connected in the second mounting cavity (101).

10. The air intake expansion structure of a portable smoke machine according to claim 1, wherein: the suction structure (2) comprises a shell (21) and an air duct device which is arranged in the shell (21) and defines a first installation cavity (203), wherein the shell (21) is of a straight tubular structure which is communicated with each other in the front-back direction, and the air inlet (201), the first installation cavity (203) and the air outlet (202) are arranged on the same straight line;

The air duct device comprises a filter cover (22) and a protective cover (23), wherein the filter cover (22) and the protective cover (23) are in a horn shape, small openings in the filter cover (22) and the protective cover (23) are mutually butted, a large opening of the filter cover (22) is communicated with an air inlet (201), a large opening of the protective cover (23) is communicated with an air outlet (202), the filter assembly (3) is connected in the filter cover (22), and the suction assembly (4) is connected in the protective cover (23).