CN215336593U - Purification mechanism and desktop oil smoke purifier - Google Patents

Abstract

The application relates to the technical field of cooking equipment, in particular to a purifying mechanism and a desktop oil smoke purifying device. The purification mechanism includes a drive member and a filter element assembly; the filter element component comprises a filter element, and the smoke inlet faces to the circumferential side wall of the filter element to enter smoke in a one-way mode; the driving member is connected with the filter element and can drive the filter element to rotate circumferentially. This desktop oil smoke purifier includes this purification mechanism. This purification mechanism and this desktop oil smoke purifier make the circumference lateral wall of filter core can with the oil smoke homogeneous contact that just flows in to can effectively improve the homogeneity that the filtration efficiency of the circumference lateral wall of filter core descends, slow down the speed that the circumference lateral wall's of filter core part was corroded by the oil smoke, and then effectively prolong the life of filter core, also effectively purified the holistic life of mechanism.

Description

Purification mechanism and desktop oil smoke purifier

Technical Field

The application relates to the technical field of cooking equipment, in particular to a purifying mechanism and a desktop oil smoke purifying device.

Background

With the improvement of living standard, the frequency of cooking operations such as barbecue, hot pot and the like in places such as restaurants, living rooms and the like is gradually increased, and a desktop oil fume purifier is used for purifying oil fume and peculiar smell generated during cooking without a fixed range hood in non-kitchen places.

At present, limited by the size and structure of the product, the purification efficiency of the end of the filter element close to the smoke inlet decreases faster, while the purification efficiency of the end far away from the smoke inlet decreases slower, so the service life of the filter element is determined by the service life of the end close to the smoke inlet, resulting in shorter service life of the filter element.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a purification mechanism and desktop oil smoke purifier to solve the shorter technical problem of desktop oil smoke purifier's filter core life among the prior art to a certain extent.

The application provides a purification mechanism for purifying oil smoke flowing in through a smoke inlet, which comprises a driving member and a filter element assembly;

the filter element assembly comprises a filter element, and the smoke inlet faces to the circumferential side wall of the filter element to realize one-way smoke inlet;

the driving member is connected with the filter element and can drive the filter element to rotate circumferentially.

In the above technical solution, further, two ends of the filter element in the height direction are respectively a first end and a second end;

the first end is used for outputting filtered oil smoke, and the second end is connected with the power output end of the driving member in a rotation stopping mode along the circumferential direction of the filter element.

In any of the above technical solutions, further, the power output end of the driving member is in a polygonal prism shape;

the filter element assembly further comprises a cover body which is arranged at the second end of the filter element in a covering mode, the cover body is provided with a shaft hole which is in a polygonal column shape, and the power output end of the driving member is inserted into the shaft hole.

In any of the above technical solutions, further, the purification mechanism further includes a support seat disposed at the bottom of the filter element, the filter element is in a shape of a rotary body coaxial with the shaft hole, the support seat is provided with a circular protrusion coaxial with the shaft hole, and a radial cross section of the circular protrusion is in an arch shape;

the bottom of filter core be provided with the annular groove of the protruding adaptation of circle shape, drive component's power take off end with the top of filter core is connected.

The application also provides a desktop oil smoke purifier, including any one of the above technical scheme purification mechanism.

In any of the above technical solutions, further, the table top lampblack purification device further comprises a shell and a fan mechanism;

the purification mechanism and the fan mechanism are both arranged in the shell, and the fan mechanism is positioned at the bottom of the purification mechanism;

the smoke inlet corresponds the purification mechanism is seted up in the lateral part of casing, the inlet scoop orientation of fan mechanism the bottom suction of filter core, the lateral part of casing corresponds the air exit of fan mechanism has seted up the air outlet.

In any of the above technical solutions, further, the filter element of the filter element assembly is in a hollow cylinder shape;

the fan mechanism comprises a motor, fan blades, an inner shell and an outer shell, the motor is arranged on the bottom wall of the shell, an output shaft of the motor is connected with the fan blades, and the inner shell is covered outside the motor so as to separate the motor from the fan blades;

openings are formed at two ends of the outer shell in the height direction, the outer shell is sleeved outside the inner shell, and an annular air flow channel is formed between the inner shell and the outer shell;

the bottom of filter core rotationally the overcoat in the top of shell, the flabellum is located the bottom of filter core with between the annular airflow channel, the air outlet encircles the casing sets up, annular airflow channel intercommunication the inner chamber of filter core with the air outlet.

In any one of the above technical solutions, further, the table top lampblack purification device further comprises a sealing assembly, wherein the sealing assembly comprises an elastic sealing ring and a smooth film coating layer;

the inner ring of the elastic sealing ring is sleeved on the outer ring of the shell, and the smooth film coating layer is attached to the outer ring of the elastic sealing ring, so that the elastic sealing ring is abutted with the inner ring of the filter element through the smooth film coating layer;

the elastic sealing ring is made of rubber or sponge, and the smooth film coating layer is made of thermoplastic polyester.

In any of the above technical solutions, further, the desktop oil smoke purification device further includes a smoke guiding portion, the housing is provided with a damping shaft, and the damping shaft is located at the top of the smoke inlet;

the smoke guide part is connected with the shell through a damping shaft, so that the smoke guide part can be turned to any angle relative to the shell.

In any of the above technical solutions, further, the smoke inlet and the air outlet are both provided with a grid-shaped hollow-out portion;

the smoke inlet is provided with an initial effect oil filter screen.

Compared with the prior art, the beneficial effect of this application is:

the present application provides a purification mechanism that includes a drive member and a filter cartridge assembly. The filter element group spare includes the filter core, advances the one-way cigarette of advancing of circumference lateral wall of mouth towards the filter core, and the drive component is connected with the filter core to can drive the filter core and take place circumferential direction. Thereby it is fixed to advance the cigarette direction, but because the filter core takes place circumferential direction, therefore make the circumference lateral wall of filter core can with the oil smoke homogeneous contact that just flows in to can effectively improve the homogeneity that the filtration efficiency of the circumference lateral wall of filter core descends, slow down the speed that the circumference lateral wall's of filter core part was corroded by the oil smoke, and then effectively prolong the life of filter core, also effectively prolonged the holistic life of purification mechanism.

The application provides a desktop oil smoke purifier includes foretell purification mechanism, therefore can realize all beneficial effects of this purification mechanism.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a filter element of a purification mechanism according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural diagram of a table top lampblack purification device provided in the second embodiment of the application in a first state;

fig. 4 is a schematic view of a first structure of a desktop oil smoke purifying device provided in the second embodiment of the present application in a second state;

fig. 5 is a second schematic structural diagram of the table top lampblack purification device provided by the second embodiment of the application in a second state;

fig. 6 is a third structural schematic view of the table top lampblack purification device provided by the second embodiment of the application in a second state;

fig. 7 is a fourth schematic structural view of the table top lampblack purification device provided by the second embodiment of the application in a second state;

fig. 8 is a fifth structural schematic view of the table top lampblack purification device provided by the second embodiment of the application in a second state;

fig. 9 is a first structural schematic diagram of a fan mechanism of a desktop oil smoke purifying device provided in the second embodiment of the present application;

fig. 10 is a second schematic structural diagram of the fan mechanism of the table top lampblack purification device provided by the second embodiment of the application (the motor and the fan blades are omitted);

fig. 11 is a third structural schematic diagram of a fan mechanism of the desktop lampblack purification device provided by the second embodiment of the application (a fan and fan blades are omitted);

FIG. 12 is an enlarged view of a portion of FIG. 11 at B;

fig. 13 is a partial enlarged view of fig. 11 at C.

Reference numerals:

1-a purification mechanism; 10-a filter element; 11-a drive member; 12-a cover body; 13-shaft hole; 14-a support base; 15-circular bulge; 2-a table top oil fume purification device; 20-a fan mechanism; 200-an air suction opening; 201-a motor; 202-fan blades; 203-inner shell; 204-a cylindrical section; 205-expanding section; 206-an annular gas flow channel; 207-air outlet; 21-a housing; 210-a smoke inlet; 211-an air outlet; 22-a sealing assembly; 220-elastic sealing ring; 221-smooth coating layer; 23-a smoke guide part; 24-a damping shaft; 25-a master control switch.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 and 2 in combination with fig. 3 to 13, an embodiment of the present application provides a purification mechanism 1 for purifying lampblack flowing in through a smoke inlet 210, for example, purifying lampblack in a secondary cooking scenario.

The present embodiment provides a purification mechanism 1 comprising a drive member 11 and a filter cartridge assembly.

The filter element group spare includes filter core 10, and wherein, filter core 10 can be for the amortization deoiling filter core or can remove the cigarette and remove peculiar smell filter core etc. sets up the hierarchical structure of filter core 10 according to specific purification demand.

The smoke inlet 210 is one-way smoke inlet towards the circumferential side wall of the filter element 10, that is, the smoke inlet direction is fixed, so that the smoke inlet 210 always faces the source of smoke generation to perform smoke suction operation, and the part of the circumferential side wall of the filter element 10 facing the smoke inlet 210 is in direct contact with the newly inflowing smoke to meet the windward requirement.

Drive component 11 is connected with filter core 10, and can drive filter core 10 and take place circumferential direction, only partly last the windward and lead to filter efficiency local decline of the circumference lateral wall of filter core 10 too fast of avoiding the circumference lateral wall of filter core 10, but share the windward demand jointly by the circumference lateral wall of filter core 10, the circumference lateral wall that also makes filter core 10 can evenly contact with the oil smoke that just flows in, thereby can effectively improve the homogeneity that the filter efficiency of the circumference lateral wall of filter core 10 descends, slow down the speed that the part of the circumference lateral wall of filter core 10 is corroded by the oil smoke, and then effectively prolonged the life of filter core 10, also effectively prolonged the holistic life of purification mechanism 1.

In an alternative of this embodiment, the two ends of the filter element 10 in the height direction are a first end and a second end, respectively. Wherein the first end can be a top end or a bottom end of the filter cartridge 10, and correspondingly, the second end can be a bottom end or a top end of the filter cartridge 10.

The first end is used for outputting filtered oil smoke, the second end and the power output end of the driving component 11 form rotation stopping connection along the circumferential direction of the filter element 10, and the rotation stopping connection means that the power output ends of the filter element 10 and the driving component 11 form fixed connection along the circumferential direction of the filter element 10, so that the follow-up performance between the filter element 10 and the driving component 11 is improved.

Alternatively, the driving member 11 is an electric motor or an electric motor, etc., thereby contributing to shortening of a power transmission path and noise, and reduction of a space occupied by the driving member 11.

In this embodiment, the driving member 11 is further provided with a filter element switch, so as to control the start and stop of the circumferential rotation of the filter element 10 through the filter element switch.

In this embodiment, the power output end of the driving member 11 is polygonal prism-shaped, the filter element assembly further includes a cover 12 covering the second end of the filter element 10, the cover 12 is provided with a shaft hole 13 polygonal prism-shaped, the power output end is inserted into the shaft hole 13, specifically, the power output end of the driving member 11 is inserted into the shaft hole 13 in a matching manner, so that the power output end of the driving member 11 is connected with the shaft hole 13 in a rotation-stopping manner.

It will be appreciated that the power take-off end of the drive member 11 and the shaft hole 13 may be both cylindrical with key slots, such that the power take-off end of the drive member 11 is keyed to the shaft hole 13 to form a rotation-stop connection.

Alternatively, the polygonal prism shape may be a triangular prism, a quadrangular prism, a pentagonal prism, a hexagonal prism, or the like.

Alternatively, the driving member 11 may be an electric motor or an electric motor, which has the advantages of high controllability and good silencing effect.

In an alternative of this embodiment, in order to make the filter cartridge 10 rotate stably and smoothly, the purifying mechanism 1 further includes a support base 14 for supporting the filter cartridge assembly.

The filter element 10 is in a shape of a rotary body coaxial with the shaft hole 13, the supporting seat 14 is provided with a circular ring-shaped bulge 15 coaxial with the shaft hole 13, and the radial section of the circular ring-shaped bulge 15 is in an arch shape, wherein the arch shape can be a semicircular shape, a quasi-semicircular shape, a semi-elliptical shape or a quasi-semi-elliptical shape.

The bottom of filter core 10 is provided with the annular groove with the protruding 15 adaptation of ring shape, and the power take off end of drive component 11 is connected with the top of filter core 10 to take place the dead axle through drive component 11 drive filter core 10 and rotate, dead axle pivoted axis and the protruding 15 axis of ring shape, the axis collineation of annular groove.

In the process of the fixed-axis rotation of the filter element 10, the circular ring-shaped bulge 15 is always in line contact with the annular groove of the filter element 10 through the top of the circular ring-shaped bulge, so that the friction on the bottom of the filter element 10 and the noise generated by the friction are reduced, the abrasion rate of the bottom of the filter element 10 is reduced, and the service life of the filter element 10 is further prolonged.

Optionally, to further extend the useful life of the cartridge 10, a wear layer is provided in the annular recess in the bottom of the cartridge 10.

Example two

The second embodiment provides a desktop oil smoke purification device, the second embodiment includes the purification mechanism in the first embodiment, the technical features of the purification mechanism disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the purification mechanism disclosed in the first embodiment are not described repeatedly.

Referring to fig. 3 to 13 in combination with fig. 1 and 2, the desktop lampblack purification device 2 provided by the present embodiment includes a purification mechanism 1, a housing 21 and a fan mechanism 20.

Purification mechanism 1 and fan mechanism 20 all set up in the inside of casing 21, and fan mechanism 20 is located the bottom of purification mechanism 1 to protect purification mechanism 1 and fan mechanism 20 through casing 21, and make the oil smoke that treats the filtration purify inside casing 21, and the clean gas discharge casing 21 that obtains after will filtering.

Wherein, casing 21 includes base and casing body, and the top of base can be dismantled with casing body's bottom and be connected, makes this desktop oil smoke purifier 2 can steadily place at the desktop through the base on the one hand, and on the other hand is convenient for overhaul casing 21 inside purification mechanism 1 and fan mechanism 20.

The smoke inlet 210 is opened at the side of the housing 21 corresponding to the purifying mechanism 1, the air suction inlet 200 of the fan mechanism 20 sucks air toward the bottom of the filter element 10, and the air outlet 211 is opened at the side of the housing 21 corresponding to the air outlet 207 of the fan mechanism 20.

Therefore, the oil smoke purification path of the desktop oil smoke purification device 2 is that the oil smoke is sucked into the gap between the circumferential side wall of the filter element 10 and the housing 21 through the smoke inlet 210 of the housing 21, then under the suction action of the fan mechanism 20, the oil smoke enters the filter element 10 from the circumferential side wall of the filter element 10 and flows out of the filter element 10 from the bottom end of the filter element 10 to obtain filtered clean air, and the clean air is discharged out of the housing 21 after sequentially flowing through the air suction port, the air exhaust port and the air outlet 211 of the housing 21 of the fan mechanism 20.

This desktop oil smoke purifier 2 adopts the business turn over wind mode of formula of side income lower exit, can improve space utilization, improves this desktop oil smoke purifier's compactedness and portability.

In the alternative of this embodiment, filter core component's filter core 10 is hollow tube-shape to the inside cavity that also is the inner chamber that forms of filter core 10, the flue gas gets into filter core 10 from the circumference outer wall of filter core 10, and the flue gas after the filtration flows into the inner chamber of filter core 10.

The fan mechanism 20 includes a motor 201, a fan blade 202, an inner shell 203 and an outer shell, the motor 201 is disposed on the bottom wall of the housing 21, that is, the motor 201 is disposed on the base, and the output shaft of the motor 201 is connected to the fan blade 202, so that the fan blade 202 is driven by the motor 201, thereby effectively reducing the operation noise of the fan mechanism 20, and the desktop oil smoke purification device 2 using the fan mechanism 20 is very suitable for being used in a living room, a restaurant and other secondary cooking places with higher requirements on the silencing performance.

The inner housing 203 covers the motor 201 to separate the motor 201 from the fan blades 202, so that noise generated by the motor 201 can be isolated by the inner housing 203 and the motor 201 can be protected.

The two ends of the housing in the height direction form openings, the top end opening of the housing forms an air suction opening 200 of the fan mechanism 20, and the bottom end opening of the housing forms an air outlet 207 of the fan mechanism 20.

The outer shell is sleeved outside the inner shell 203, and an annular airflow channel 206 is formed between the inner shell 203 and the outer shell; the bottom end of the filter element 10 is rotatably sleeved on the top end of the housing, the fan blades 202 are located between the bottom end of the filter element 10 and the annular air flow channel 206, and the annular air flow channel 206 is communicated with the inner cavity of the filter element 10 and the air outlet 211, so that under the suction effect generated by the rotation of the fan blades 202, the filtered clean air can sequentially flow through the inner cavity of the filter element 10, the annular air flow channel 206 and the air outlet 211 and then is discharged out of the housing 21.

Air outlet 211 encircles casing 21 and sets up, has not only improved the air output, can improve the air-out homogeneity moreover, and then can improve the oil smoke along the air inlet homogeneity of the circumference of filter core 10, has avoided advancing the one-way concentration of cigarette, has further improved the life of filter core 10.

In the present embodiment, specifically, the housing includes a cylindrical section 204 and an expanded diameter section 205, and the expanded diameter section 205 is connected to the bottom end of the cylindrical section 204.

In the direction from the top to the bottom of the housing 21, the expanding end is in the shape of a gradually expanding trumpet, and the part of the inner shell 203 corresponding to the expanding section 205 is also in the shape of a gradually expanding trumpet, so that an annular air flow channel 206 is formed between the inner shell 203 and the expanding section 205, and the bottom end of the filter element 10 is rotatably sleeved on the top end of the cylindrical section 204.

The interior of the cylindrical section 204 forms an installation space in which the fan blades 202 are disposed such that the fan blades 202 are located between the bottom end of the filter cartridge 10 and the annular airflow passage 206.

Alternatively, the radial dimension of the annular gas flow channel 206 is gradually increased along the top-to-bottom direction of the housing 21, so that the cleaning gas expands and spreads during the flowing process, and the wind noise and the gas flow disturbance degree of the cleaning gas exhaust are reduced.

Alternatively, the support seat 14 is annular, and the annular support seat 14 is sleeved on the cylindrical section 204.

In an alternative of this embodiment, the desktop oil smoke purifying device 2 further includes a sealing component 22, and the sealing component 22 includes an elastic sealing ring 220 and a smooth coating layer 221.

The outer lane of cylindricality section 204 is located to the inner circle cover of elastic seal circle 220, smooth tectorial membrane layer 221 laminates in the outer lane of elastic seal circle 220, so that elastic seal circle 220 passes through smooth tectorial membrane layer 221 and filter core 10's inner circle looks butt, thereby on the one hand can carry out dynamic seal through this seal assembly 22 to the cooperation between filter core 10 and the cylindricality section 204, on the other hand, compare in omitting smooth tectorial membrane layer 221 and only carrying out sealed scheme through elastic seal circle 220, because the inner wall contact of the bottom of smooth tectorial membrane layer 221 and filter core 10, so fully reduced the coefficient of friction between seal assembly 22 and the filter core 10 through smooth tectorial membrane layer 221, make filter core 10 rotate more smoothly.

In this embodiment, the material of elastic sealing ring 220 is rubber or sponge, and wherein, the gas tightness of rubber is better, and the sponge can fully reduce the effect of hindering to the circumferential direction of filter core 10 under the prerequisite that satisfies the gas tightness ability to ensure that filter core 10 can take place smooth and easy rotation.

In this embodiment, the material of the smooth coating layer 221 is thermoplastic polyester, and for example, the material of the smooth coating layer 221 is PET (polyester resin).

In an alternative of this embodiment, the desktop oil smoke purifying device 2 further includes a smoke guiding portion 23, the housing 21 is provided with a damping shaft 24, and the damping shaft 24 is located at the top of the smoke inlet 210.

The smoke guide 23 is connected to the housing 21 via a damper shaft 24 so that the smoke guide 23 can be turned to an arbitrary angle with respect to the housing 21. In particular, the smoke guide can be turned at least to 0-90 ° relative to the housing 21.

Thereby the smoke deflector can overturn to the closing cap inlet 210, under this desktop oil smoke purifier 2 idle state, can improve the aesthetic property.

The smoke guide plate can also be turned to the top side of the smoke inlet 210 and open the smoke inlet 210, and under the condition that the desktop oil smoke purification device 2 performs oil smoke purification work, the smoke guide plate can stop the oil smoke flowing upwards and plays a role in gathering the smoke.

Alternatively, the housing 21 is substantially circular truncated cone-shaped, and the smoke guide portion 23 is a peak of a peaked cap.

In this embodiment, the smoke inlet 210 and the air outlet 211 are both provided with the grid-shaped hollow-out portion, wherein the smoke inlet 210 is provided with the grid-shaped hollow-out portion, which can effectively prevent large particle foreign matters from being sucked into the casing 21, and the air outlet 211 is provided with the grid-shaped hollow-out portion, which can effectively prevent large particle clothes from flowing back to the annular airflow channel 206 through the air outlet 211 under the negative pressure effect, thereby protecting the purification mechanism 1 and the fan mechanism 20.

In this embodiment, the smoke inlet 210 is provided with the primary filter screen, and the large oil droplets are adsorbed and blocked by the primary travel screen, so that the filtering burden of the filter element 10 can be further reduced, and the service life of the filter element 10 can be further prolonged.

In this embodiment, the housing 21 is further provided with a master control switch 25 for controlling the start and stop of the fan mechanism 20, and optionally, the filter core switch is integrated with the master control switch 25.

The desktop oil smoke purifying device in the embodiment has the advantages of the purifying mechanism in the first embodiment, and the advantages of the purifying mechanism disclosed in the first embodiment are not described repeatedly herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims (10)

1. A purification mechanism for purifying oil smoke flowing in through a smoke inlet, the purification mechanism comprising a drive member and a filter element assembly;

the filter element assembly comprises a filter element, and the smoke inlet faces to the circumferential side wall of the filter element to realize one-way smoke inlet;

the driving member is connected with the filter element and can drive the filter element to rotate circumferentially.

2. The purification mechanism of claim 1, wherein the filter element has a first end and a second end at both ends in the height direction;

the first end is used for outputting filtered oil smoke, and the second end is connected with the power output end of the driving member in a rotation stopping mode along the circumferential direction of the filter element.

3. The purification mechanism of claim 2, wherein the power output end of the drive member is polygonal;

the filter element assembly further comprises a cover body which is arranged at the second end of the filter element in a covering mode, the cover body is provided with a shaft hole which is in a polygonal column shape, and the power output end of the driving member is inserted into the shaft hole.

4. The purification mechanism of claim 3, further comprising a support base disposed at a bottom of the filter element;

the filter element is in a rotary body shape coaxial with the shaft hole, the top of the supporting seat is provided with a circular bulge coaxial with the shaft hole, and the radial section of the circular bulge is arched;

the bottom of filter core be provided with the annular groove of the protruding adaptation of circle shape, drive component's power take off end with the top of filter core is connected.

5. A desktop oil smoke purification device, characterized by comprising the purification mechanism of any one of claims 1 to 4.

6. The tabletop oil smoke purifying device of claim 5, further comprising a housing and a fan mechanism;

the purification mechanism and the fan mechanism are both arranged in the shell, and the fan mechanism is positioned at the bottom of the purification mechanism;

the smoke inlet corresponds the purification mechanism is seted up in the lateral part of casing, the inlet scoop orientation of fan mechanism the bottom suction of filter core, the lateral part of casing corresponds the air exit of fan mechanism has seted up the air outlet.

7. The desktop oil smoke purification device of claim 6, wherein the filter element of the filter element assembly is hollow and cylindrical;

the fan mechanism comprises a motor, fan blades, an inner shell and an outer shell, the motor is arranged on the bottom wall of the shell, an output shaft of the motor is connected with the fan blades, and the inner shell is covered outside the motor so as to separate the motor from the fan blades;

openings are formed at two ends of the outer shell in the height direction, the outer shell is sleeved outside the inner shell, and an annular air flow channel is formed between the inner shell and the outer shell;

the bottom of filter core rotationally the overcoat in the top of shell, the flabellum is located the bottom of filter core with between the annular airflow channel, the air outlet encircles the casing sets up, annular airflow channel intercommunication the inner chamber of filter core with the air outlet.

8. The tabletop oil smoke purifying device of claim 7, further comprising a sealing assembly, the sealing assembly comprising an elastic sealing ring and a smooth film coating layer;

the inner ring of the elastic sealing ring is sleeved on the outer ring of the shell, and the smooth film coating layer is attached to the outer ring of the elastic sealing ring, so that the elastic sealing ring is abutted with the inner ring of the filter element through the smooth film coating layer;

the elastic sealing ring is made of rubber or sponge, and the smooth film coating layer is made of thermoplastic polyester.

9. The desktop oil smoke purification device of claim 6, further comprising a smoke guiding part, wherein the housing is provided with a damping shaft, and the damping shaft is positioned at the top of the smoke inlet;

the smoke guide part is connected with the shell through a damping shaft, so that the smoke guide part can be turned to any angle relative to the shell.

10. The desktop oil smoke purification device of claim 6, wherein the smoke inlet and the air outlet are both provided with a grid-shaped hollow-out portion;

the smoke inlet is provided with an initial effect oil filter screen.

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