CN220728310U - Table top range hood - Google Patents

Abstract

The utility model provides a desktop range hood, comprising: a base structure and a suction structure, the base structure adapted to be mounted on a table top; the suction structure is connected with the base structure and is suitable for sucking oil smoke towards the cooker; the suction structure comprises a shell, wherein a first mounting cavity is arranged in the shell; and a suction assembly and a deflector in sequence along the suction direction; the suction assembly is positioned in the first mounting cavity, and the guide piece is mounted on the suction assembly; the side of the flow guiding piece, which is close to the suction structure, is provided with a flow guiding surface which is suitable for guiding the medium to be discharged, and the flow guiding surface is gradually outwards expanded from the center along the medium discharging direction so that the medium is discharged from the periphery of the flow guiding piece. The structure can enable the oil smoke at the periphery of the shell to move towards the low air pressure direction of the position of the guide piece, so that the oil smoke at the periphery of the suction structure is sucked, and the suction effect is better.

Description

Table top range hood

Technical Field

The utility model relates to the technical field of desktop smoke ventilators, in particular to a desktop smoke ventilator.

Background

The desk top range hood is a novel portable range hood and is used for exhausting oil smoke generated during cooking. Compared with the traditional range hood fixedly installed above a kitchen stove, the table top range hood is more flexible in use scene and can be used in narrow spaces such as living room dinner.

The prior desktop range hood generally comprises a fume hood main body which is obliquely arranged, wherein a filter screen group, an oblique flow impeller and a motor are sequentially arranged in the fume hood main body along the airflow direction, and the filter screen group comprises an oleophobic hydrophobic screen, a condensation screen and a deodorizing screen.

The directions of the air inlet and the air outlet of the desktop range hood are all straight directions, and the range hood is sucked at the air inlet of the range hood; and for the side oil smoke of the table top range hood body, the suction effect of the table top range hood is limited and the oil suction effect is poor because the negative pressure area of the suction is arranged at the air inlet end and the air outlet end of the table top range hood body.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the directions of the air channels of the air inlet and the air outlet of the conventional table top range hood are all straight directions, and the fume at the air inlet of the range hood is sucked; and for the side oil smoke of the table top range hood body, the suction effect of the table top range hood is limited and the oil suction effect is poor because the negative pressure area of the suction is arranged at the air inlet end and the air outlet end of the table top range hood body.

Therefore, the utility model provides a desktop range hood, which comprises:

a base structure adapted to be mounted on a table top;

a suction structure connected to the base structure, the suction structure adapted to draw cooking fumes toward a pan;

the suction structure comprises a shell, wherein a first mounting cavity is arranged in the shell;

and a suction assembly and a deflector in sequence along the suction direction; the suction assembly is positioned in the first mounting cavity, and the flow guide piece is mounted on the suction assembly;

the side, close to the suction assembly, of the guide piece is provided with a guide surface suitable for guiding medium to be discharged, and the guide surface is gradually and outwards expanded from the center along the medium discharging direction so that the medium is discharged from the periphery of the guide piece.

Optionally, the guiding piece is in a horn shape, and the guiding surface is annular; and along the suction direction, the diameter of the circle where the outline of the radial section of the guide surface is located is gradually increased.

Optionally, the suction assembly further comprises a base frame, and the flow guiding piece is mounted on the base frame;

the base frame comprises:

the guide piece is arranged on the supporting part;

the stator blade is arranged on the periphery of the supporting part, and a drainage channel which is communicated with the suction assembly and the flow guide piece is arranged in the stator blade.

Optionally, the above-mentioned suction assembly further includes a driving motor, a motor bracket and an impeller; the impeller is arranged on the outer peripheral surface of the output end of the driving motor, the driving motor is connected with the motor bracket, and the motor bracket is arranged on the base frame.

Optionally, the casing has an air inlet, the suction structure further includes a collecting member and a filter assembly disposed at the air inlet, the collecting member and the filter assembly are both mounted in the first mounting cavity, and the collecting member is connected with the filter assembly.

Optionally, the filter assembly includes a first filter element; the first filter element is arranged on one side of the gathering element, which is close to the air inlet; the bottom end of the first filter piece is provided with a clamping part, the bottom end of the aggregation piece is provided with a clamping interface, and the clamping part is clamped on the clamping interface to position the first filter piece;

the bottom of the shell is also provided with an oil collecting port which is communicated with the clamping port.

Optionally, the first filter element further includes a protruding portion and a first mounting portion, where the protruding portion is disposed on a side of the first filter element near the air inlet;

the first installation part is arranged on one side, far away from the air inlet, of the first filter element, and the first installation part is used for fixing the first filter element on the gathering element.

Optionally, the above-mentioned device further comprises an illuminating member, and the illuminating member is disposed on the collecting member.

Optionally, the suction structure is obliquely arranged on the base structure, and an included angle between the axis of the suction structure and the axis of the base structure is 60 ° -82 °.

Optionally, the base structure comprises a base housing, a second mounting cavity is arranged inside the base housing,

wherein, the base structure is also internally provided with an oil collecting component; the oil collecting assembly is arranged in the second mounting cavity and is used for collecting the oil dirt filtered out by the suction structure.

Optionally, the oil collecting assembly includes:

the oil collecting groove is formed in the top end of the base shell and is suitable for being arranged corresponding to an oil collecting port on the base structure;

the oil collecting channel is arranged in the second mounting cavity, and the top end of the oil collecting channel is communicated with the bottom end of the oil collecting groove;

the oil storage cup is detachably mounted on the base shell, the oil storage cup is provided with an oil cup bin, and the opening end of the oil cup bin faces the oil collecting channel;

the bottom end of the oil collecting channel is communicated with the oil cup bin; the oil collection channel is suitable for guiding the oil dirt passing through the oil collection groove to the oil cup bin.

Optionally, the table top further comprises a bottom cover, wherein the bottom cover is installed at the bottom of the base shell, an absorbing piece is arranged at the bottom of the bottom cover, and the absorbing piece is suitable for being absorbed on the table top.

The technical scheme provided by the utility model has the following advantages:

1. the embodiment provides a desktop lampblack absorber, includes: a base structure and a suction structure, the base structure adapted to be mounted on a table top; the suction structure is connected with the base structure and is suitable for sucking oil smoke towards the cooker; the suction structure comprises a shell, wherein a first mounting cavity is arranged in the shell; and a suction assembly and a deflector in sequence along the suction direction; the suction assembly is positioned in the first mounting cavity, and the guide piece is mounted on the suction assembly; the side of the flow guiding piece, which is close to the suction structure, is provided with a flow guiding surface which is suitable for guiding the medium to be discharged, and the flow guiding surface is gradually outwards expanded from the center along the medium discharging direction so that the medium is discharged from the periphery of the flow guiding piece. The structure is characterized in that a suction structure and a base structure are arranged, the lower end of the base structure is suitable for being mounted on a tabletop, the upper end of the base structure is suitable for being mounted with the suction structure, the suction structure comprises a shell, a first mounting cavity is formed in the shell, and a suction assembly is located in the first mounting cavity; one end of the shell, which is close to the flow guide piece, is an air outlet, the other opposite end of the shell is an air inlet, and the direction from the air inlet to the air outlet is a suction direction; the guide piece is arranged on the suction assembly, one side of the guide piece, which is close to the suction structure, is provided with a guide surface for guiding the medium to be discharged, and the guide surface is gradually outwards expanded from the center to the periphery along the medium discharging direction, namely the guide surface is a progressive curved surface; when the suction component sucks, the suction component is started to suck the medium at the air inlet, wherein the medium can be oil fume or other medium capable of sucking; the suction structure sucks the medium to one end of the guide surface, which is close to the suction assembly, and the medium is discharged along the periphery of the guide surface facing the guide piece, in particular, the medium is discharged along the periphery of the guide surface facing the guide piece in a slanting lateral direction; compared with the prior art, only the air inlet end of the desktop range hood body is sucked in the prior art, the negative pressure area of the air outlet end is far away from the side peripheral area of the range hood, the effect of lampblack suction near the side peripheral area of the range hood is poor, the air outlet direction of the embodiment is inclined to the periphery of the suction structure and is discharged, the peripheral air pressure of the periphery of the air outlet end of the suction structure can be reduced, the Zhou Ceou area distance of a low-air-pressure area concrete shell is nearer, lampblack at the periphery of the shell can move towards the low-air-pressure direction of the position of the guide piece, and accordingly lampblack at the periphery of the suction structure is sucked, and the suction effect is better.

2. The guide piece provided by the utility model is in a horn shape, and the guide surface is annular; and along the suction direction, the diameter of the round of the outline of the radial section of the flow guiding surface is gradually increased. According to the structure, the guide piece is in a horn shape, the diameter of a circle where the outline of the radial section of the guide surface is located is gradually increased, and the guide surface is a progressive curved surface, so that the guide surface can guide the medium as smoothly as possible in the process of guiding the medium, and the phenomenon that the medium is blocked to cause poor suction effect of the suction structure is avoided; the guide surface is annular, and the guide surface can discharge the medium to the periphery of the guide piece, does not shelter from in any direction, can all form the low pressure area around the suction structure on the one hand, also suck the medium around the suction structure, on the other hand, has further avoided the medium to produce the barrier, leads to the suction effect of suction structure not good.

3. The first filter element provided by the utility model further comprises a protruding part and a first installation part, wherein the protruding part is arranged at one side of the first filter element, which is close to the air inlet; the first installation department sets up in the one side that the air intake was kept away from to first filter, and first installation department is used for fixed first filter on gathering piece. The first filter element in the structure further comprises a protruding part, wherein the protruding part is arranged on one side of the first filter element, which is close to the air inlet, and is arranged at the top end of the first filter element, so that the first filter element is convenient for operators to take out and install; the first filter piece still includes first installation department, and first installation department sets up in the one side that the air intake was kept away from to first filter piece, and first installation department is the magnetic sheet, at the top of gathering the piece, through first installation department suction effect, fixes the top of first filter piece on gathering the piece, makes things convenient for the installation and the dismantlement of first filter piece.

4. The desktop range hood provided by the utility model further comprises an illumination piece, and the illumination piece is arranged on the gathering piece. The structure is characterized in that the illumination piece is arranged, the illumination direction of the illumination piece is away from the suction direction and is towards the lampblack direction; the illuminating part irradiates the oil smoke, and the area with thicker oil smoke is found through the reflection of the oil smoke to the pipeline, so that an operator can conveniently adjust the whole angle of the suction structure, and the oil smoke can be better sucked.

5. The oil collecting assembly provided by the utility model comprises: an oil collecting groove, an oil storage cup and an oil collecting channel; the oil collecting groove is arranged at the top end of the base shell and is suitable for being correspondingly arranged with an oil collecting port on the base structure; the oil collecting channel is arranged in the second mounting cavity, and the top end of the oil collecting channel is communicated with the bottom end of the oil collecting groove; the oil storage cup is detachably arranged on the base shell, the oil storage cup is provided with an oil cup bin, and the opening end of the oil cup bin faces the oil collecting channel; the bottom end of the oil collecting channel is communicated with the oil cup bin; the oil collecting channel is suitable for guiding the greasy dirt passing through the oil collecting groove to the oil cup bin. The structure is characterized in that an oil collecting groove, an oil storage cup and an oil collecting channel are arranged; the oil collecting tank is arranged at the upper end of the base shell and is positioned at the joint of the base shell and the shell, the oil collecting tank and the oil collecting port are correspondingly arranged, the upper end of the oil collecting channel is communicated with the lower end of the oil collecting tank, the lower end of the oil collecting channel faces the oil storage cup, the oil cup bin is positioned inside the second installation cavity during normal operation, the lower end of the oil collecting channel points to the oil cup bin, the oil fume filtered by the filtering component can pass through the clamping interface and the oil collecting port and is collected by the oil collecting tank, and the oil fume enters the oil cup bin to be collected through the oil collecting channel so as to prevent the pollution of the oil fume to the environment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is an overall schematic diagram of a desktop range hood provided in the present embodiment;

fig. 2 is a schematic structural view of the housing provided in the present embodiment;

fig. 3 is a schematic view showing the internal structure of the suction structure provided in the present embodiment with the housing removed;

FIG. 4 is a schematic view showing the structure of the suction structure provided in this embodiment with the housing and the aggregate removed;

FIG. 5 is a schematic view of the structure of the coalescing element and filter assembly provided in this embodiment;

FIG. 6 is an exploded view of the suction assembly and baffle provided in this embodiment;

FIG. 7 is a schematic view showing a structure of a stator blade and a support portion according to the present embodiment

Fig. 8 is a schematic structural view of a first mounting portion in the filter assembly provided in the present embodiment;

FIG. 9 is a schematic structural view of the flow guide member according to the present embodiment;

FIG. 10 is a schematic view of the structure of the base structure provided in the present embodiment;

FIG. 11 is a schematic view showing the removal of the oil storage cup provided in the present embodiment;

fig. 12 is a schematic view of the internal structure of the base structure provided in the present embodiment.

Reference numerals illustrate:

1-a base structure; 11-a base housing; 12-an oil collection assembly; 121-an oil sump; 122-an oil collection channel; 123-an oil storage cup; 1231-oil cup bin; 124-an absorbent member;

2-suction structure; 21-a housing; 211-oil collecting ports; 22-a suction assembly; 221-a base frame; 2211-a support; 2212-stationary blades; 222-driving a motor; 223-motor bracket; 224-impeller; 23-a flow guide; 231-a flow guiding surface; 24-gathering member; 241-card interface; 25-a filter assembly; 251-a first filter; 2511—a clamping part; 2512-projections; 2513—a first mount;

3-lighting.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The present embodiment provides a desktop range hood, as shown in fig. 1 to 9, including: a base structure 1 and a suction structure 2, the base structure 1 being adapted to be mounted on a table top; the suction structure 2 is connected with the base structure 1, and the suction structure 2 is suitable for sucking oil smoke towards the cooker; the suction structure 2 comprises a housing 21, the interior of the housing 21 being provided with a first mounting cavity; and a suction assembly 22 and a deflector 23 in sequence in the suction direction; the suction assembly 22 is positioned inside the first mounting cavity, and the guide piece 23 is mounted on the suction assembly 22; the side of the guide member 23 near the suction structure 2 is provided with a guide surface 231 adapted to guide the medium to be discharged, and along the medium discharging direction, the guide surface 231 is gradually and peripherally expanded from the center to the periphery so that the medium is discharged from the periphery of the guide member 23.

The structure is characterized in that by arranging the suction structure 2 and the base structure 1, the lower end of the base structure 1 is suitable for being mounted on a table top, the upper end of the base structure 1 is suitable for being mounted with the suction structure 2, the suction structure 2 comprises a shell 21, a first mounting cavity is arranged in the shell 21, and a suction assembly 22 is mounted in the first mounting cavity; one end of the shell 21, which is close to the flow guide piece 23, is an air outlet, the other opposite end of the shell is an air inlet, and the direction from the air inlet to the air outlet is a suction direction; the guide piece 23 is arranged on the suction assembly 22, one side of the guide piece 23, which is close to the suction structure 2, is provided with a guide surface 231 for guiding the medium to be discharged, the guide surface 231 is gradually and outwards expanded from the center along the medium discharging direction, namely, the guide surface 231 is a progressive curved surface; when the suction component 22 sucks, the suction component 22 is started, and the suction component 22 sucks the medium at the air inlet, wherein the medium can be oil fume or other sucked mediums; the suction structure 2 sucks the medium to one end of the guide surface 231 near the suction assembly 22, and the medium is discharged along the guide surface 231 to the outer periphery of the guide 23, specifically, the medium is discharged along the guide surface 231 to the outer periphery of the guide 23 obliquely sideways; compared with the prior art, only the air inlet end of the desktop range hood body is sucked in the prior art, the negative pressure area of the air outlet end is far away from the side peripheral area of the range hood, the effect of sucking the lampblack near the side peripheral area of the range hood is poor, the air outlet direction of the embodiment is inclined to the periphery of the sucking structure 2 and is discharged, the peripheral air pressure of the periphery of the air outlet end of the sucking structure 2 can be reduced, the Zhou Ceou area distance of the low-air-pressure area specific shell 21 is closer, the lampblack at the periphery of the shell 21 can move towards the low-air-pressure direction of the position of the guide piece 23, and accordingly lampblack at the periphery of the sucking structure 2 is sucked, and the sucking effect is better.

In this embodiment, as shown in fig. 9, the flow guiding member 23 is in a horn shape, and the flow guiding surface 231 is in a ring shape; and along the suction direction, the diameter of the circle in which the profile of the radial section of the flow guiding surface 231 is located gradually increases. The structure is characterized in that the diversion piece 23 is in a horn shape, the diameter of a circle where the outline of the radial section of the diversion surface 231 is located is gradually increased, and the diversion surface 231 is a progressive curved surface, so that the diversion surface 231 can conduct diversion to the medium as smoothly as possible in the process of diversion of the medium, and the blocking to the medium is avoided, and the suction effect of the suction structure 2 is poor; the guide surface 231 is annular, and the guide surface 231 can discharge the medium to the periphery of the guide piece 23, and is not shielded in any direction, so that on one hand, a low-pressure area can be formed around the suction structure 2, and the medium around the suction structure 2 is sucked, and on the other hand, the phenomenon that the medium is blocked to cause bad suction effect of the suction structure 2 is further avoided.

In the present embodiment, as shown in fig. 3, 4 and 6; the suction assembly 22 further comprises a base frame 221, the flow guide 23 being mounted on the base frame 221; the base frame 221 includes: a support 2211 and stationary blades 2212; the guide 23 is mounted on the support portion 2211; the stator blades 2212 are provided on the outer periphery of the support portion 2211, and the stator blades 2212 have a drainage passage therein that communicates the suction assembly 22 and the flow guide 23. In the structure, by arranging the support parts 2211 and the stator blades 2212, the axis of the suction assembly 22 is overlapped with the axis of the guide piece 23; the outer peripheral surface of the supporting part 2211 is provided with the stator blades 2212, the stator blades 2212 are obliquely arranged on the supporting part 2211, the medium sucked by the suction assembly 22 firstly passes through the diversion channel formed by the stator blades 2212 and then contacts the diversion surface 231 to be discharged, the stator blades 2212 are obliquely arranged to form an inclined diversion channel, the medium is obliquely contacted with the diversion surface 231, the medium is prevented from being blocked due to vertical collision, and the bad suction effect of the suction structure 2 is further avoided.

In the present embodiment, as shown in fig. 6; the suction assembly 22 further includes a drive motor 222, a motor mount 223, and an impeller 224; the impeller 224 is disposed on the outer circumferential surface of the output end of the driving motor 222, the driving motor 222 is connected to the motor bracket 223, and the motor bracket 223 is mounted on the base frame 221. The structure is characterized in that a driving motor 222, a motor bracket 223 and an impeller 224 are arranged, the impeller 224 is specifically an inclined flow impeller 224, the section of blades on the impeller is in a minor arc shape, the whole impeller 224 is in a rotary structure, the impeller 224 is fixed on the driving motor 222, and the driving motor 222 is fixed on a base frame 221 through the motor bracket 223; the driving motor 222 drives the impeller 224 to rotate, and the medium at the air inlet is pumped by the centrifugal force generated by the rotation of the impeller 224.

In this embodiment, as shown in fig. 3; the housing 21 has an air inlet, the suction structure 2 further comprises a collecting member 24 and a filter assembly 25 arranged at the air inlet, the collecting member 24 and the filter assembly 25 are both arranged in the first mounting cavity, and the collecting member 24 is connected with the filter assembly 25. The gathering piece 24 in this structure is the collection petticoat pipe, gathering piece 24 installs in first installation cavity, gathering piece 24's surface links to each other with the inner wall of shell 21, and filter component 25 installs in first installation cavity, and the axis of filter component 25 coincides with gathering piece 24's axis, and gathering piece 24 and filter component 25 all install in air intake department, and the medium gathers through gathering piece 24 and gets into first installation cavity to filter through filter component 25, remove impurity in the medium.

In this embodiment, as shown in fig. 4; the filter assembly 25 includes a first filter member 251; the first filter 251 is installed at one side of the collecting member 24 near the air inlet; the bottom end of the first filter element 251 is provided with a clamping part 2511, the bottom end of the aggregation element 24 is provided with a clamping interface 241, and the clamping part 2511 is clamped on the clamping interface 241 to position the first filter element 251; the bottom end of the shell 21 is also provided with an oil collecting port 211, and the oil collecting port 211 is communicated with the clamping port 241. According to the structure, the first filter piece 251 is arranged, the filter assembly 25 further comprises a second filter piece, the first filter piece 251 comprises a first filter part and a second filter part, the first filter part is an oil filter screen, the second filter part is a condensation screen, the second filter piece is a deodorizing screen, after oil smoke passes through the filter assembly 25 along the airflow flowing direction, oil smoke particles collide with the oil filter screen under the action of inertia force, the oil filter screen is provided with a plurality of regular or irregular complex meshes, and the oil smoke particles collide with the oil filter screen and are trapped. Because the oil filter screen has oleophobic property and hydrophobicity, a layer of oil film and a water film are formed on the surface of the oil filter screen, small oil drops gradually aggregate into large oil drops, the large oil drops drop under the action of gravity, and most oil drops and a small part of water can be removed after the oil fume passes through the oil filter screen; and after most of oil drops are removed and a small amount of oil smoke of water is continuously introduced into a condensing net, the condensing net absorbs heat of high-temperature water, and water drops are liquefied on the surface of the condensing net to drop, so that the oil smoke is dried. The condensation net can remove most of water in the oil smoke on the one hand, and on the other hand ensures that the subsequent deodorizing net is kept dry, so that the performance of the deodorizing net is prevented from being influenced, and the service life of the deodorizing net is prolonged. Even if most of oil drops and moisture in the oil fume are removed, a small amount of organic compounds exist in the oil fume, and the organic compounds emit peculiar smell and cannot be directly discharged, so that the odor removing net is used for adsorbing the residual oil drops, moisture and organic compounds. The second filter element is directly arranged in the first installation cavity; for the first filter element 251, the first filter element 251 is mounted on one side of the collecting element 24 close to the air inlet, the bottom end of the first filter element 251 is provided with a clamping part 2511, the clamping part 2511 is a bulge, the bottom end of the collecting element 24 is provided with a clamping interface 241, and the clamping part 2511 is clamped in the clamping interface 241 for mounting, so that the positioning of an operator when the first filter element 251 is replaced is facilitated; the bottom of shell 21 has still been seted up and has been catchmented the hydraulic fluid port 211, catchmented the hydraulic fluid port 211 and has been corresponded and be linked together the setting with draw-in interface 241, and the greasy dirt that filters out through first filter 251 can be under the action of gravity, moves down and fall out along joint portion 2511, passes behind draw-in interface 241 and catchmented the hydraulic fluid port 211 and discharges, prevents that the greasy dirt from remaining to first installation intracavity, leads to the suction effect to subtract sharply.

In the present embodiment, as shown in fig. 4 and 8; the first filter 251 further includes a protrusion 2512 and a first mounting portion 2513, wherein the protrusion 2512 is disposed at a side of the first filter 251 near the air inlet; the first mounting portion 2513 is disposed at a side of the first filter 251 remote from the air inlet, and the first mounting portion 2513 is used to fix the first filter 251 on the collecting member 24. The first filter element 251 in this structure further comprises a protruding portion 2512, wherein the protruding portion 2512 is arranged on one side of the first filter element 251 close to the air inlet and is arranged on the top end of the first filter element 251, so that the first filter element 251 is convenient for operators to take out and install; the first filter 251 further includes a first mounting portion 2513, where the first mounting portion 2513 is disposed on a side of the first filter 251 away from the air inlet, the first mounting portion 2513 is a magnetic sheet, and the top of the aggregation member 24 is fixed on the aggregation member 24 by suction of the first mounting portion 2513, so that the first filter 251 can be conveniently mounted and dismounted.

In this embodiment, as shown in fig. 5; the table top range hood further comprises an illumination member 3, and the illumination member 3 is arranged on the collecting member 24. According to the structure, the illumination piece 3 is arranged, and the illumination direction of the illumination piece 3 is away from the suction direction and is towards the lampblack direction; the illumination piece 3 irradiates the oil smoke, and the oil smoke is reflected to the pipeline to find a region with thicker oil smoke, so that an operator can conveniently adjust the whole angle of the suction structure 2, and the oil smoke can be better sucked.

In this embodiment, the suction structure 2 is arranged obliquely to the base structure 1, the axis of the suction structure 2 being at an angle of 60 ° to 82 ° to the axis of the base structure 1. In the structure, the suction structure 2 is obliquely arranged on the base structure 1, the included angle between the axis of the suction structure 2 and the axis of the base structure 1 is 60-82 degrees, and when the base structure 1 is vertically placed on a table top, the included angle between the suction structure 2 and the horizontal direction is 6-20 degrees; through the slope setting for suction structure 2's air intake is close to the oil smoke more, and is better to the suction effect of oil smoke.

In this embodiment, as shown in fig. 10 to 12, the base structure 1 includes a base housing 11, a second installation cavity is provided inside the base housing 11, and an oil collection assembly 12 is further provided inside the base structure 1; the oil collecting assembly 12 is arranged in the second mounting cavity, and the oil collecting assembly 12 is used for collecting the oil dirt filtered out by the suction structure 2. According to the structure, the base structure 1 is arranged below the suction structure 2, the suction structure 2 is obliquely fixed on the base structure 1, the lower side in the suction structure 2 is the air inlet, the upper side is the air outlet, and the oil smoke can float upwards, so that the air inlet faces the lower side to be more beneficial to the suction structure 2 to suck the oil smoke; the base structure 1 is arranged to increase between the diameters of the circles where the cross-sectional profiles from the upper end to the lower end are located, so that the base structure 1 is more stable, and the oil dirt filtered out of the suction structure 2 is collected by fixedly arranging the oil collecting component 12 in the second mounting cavity, so that pollution is reduced.

In the present embodiment, as shown in fig. 11 and 12; the oil collection assembly 12 includes: a sump 121, a reservoir cup 123, and a sump channel 122; the oil collecting groove 121 is arranged at the top end of the base shell 11, and the oil collecting groove 121 is suitable for being correspondingly arranged with the oil collecting port 211 on the base structure 1; the oil collecting channel 122 is arranged in the second mounting cavity, and the top end of the oil collecting channel 122 is communicated with the bottom end of the oil collecting groove 121; the oil storage cup 123 is detachably mounted on the base housing 11, the oil storage cup 123 is provided with an oil cup bin 1231, and the open end of the oil cup bin 1231 faces the oil collecting channel 122; the bottom end of the oil collection channel 122 opens into an oil cup bin 1231; the oil collection channel 122 is adapted to direct oil passing from the oil collection sump 121 into the oil cup sump 1231.

This structure is achieved by providing a sump 121, a reservoir cup 123 and a sump passage 122; the oil collecting tank 121 is arranged at the upper end of the base shell 11 and is positioned at the joint of the base shell 11 and the shell 21, the oil collecting tank 121 is correspondingly arranged with the oil collecting port 211, the upper end of the oil collecting channel 122 is communicated with the lower end of the oil collecting tank 121, the lower end of the oil collecting channel 122 faces the oil storage cup 123, in normal operation, the oil cup bin 1231 is positioned in the second installation cavity, the lower end of the oil collecting channel 122 points to the oil cup bin 1231, the oil fume filtered by the filtering component 25 can pass through the clamping interface 241 and the oil collecting port 211 and is gathered by the oil collecting tank 121, and the oil stain enters the oil cup bin 1231 to be collected through the oil collecting channel 122, so that the pollution of the oil stain to the environment is prevented; the oil storage cup 123 is detachably mounted on the base housing 11, and when the range hood does not work, the oil storage cup 123 should be periodically detached and cleaned, so that the oil storage cup 123 can work normally.

In the present embodiment, as shown in fig. 12; the desktop range hood further comprises a bottom cover, the bottom cover is arranged at the bottom of the base shell 11, an absorbing piece 124 is arranged at the bottom of the bottom cover, and the absorbing piece 124 is suitable for being absorbed on a desktop. This structure is through setting up the absorbing member 124, and absorbing member 124 is specifically sucking disc, and the sucking disc sets up in the bottom of bottom for desktop lampblack absorber can adsorb on the desktop through the sucking disc, and the lampblack absorber is more stable at the in-process of work.

In other preferred embodiments, as shown in FIG. 12; the kitchen ventilator further comprises a power supply, wherein the power supply is arranged at the bottom end of the base shell 11 and is used for supplying power to the whole kitchen ventilator.

In other preferred embodiments, as shown in fig. 10 and 11; the kitchen ventilator further comprises a first switch piece and a second switch piece, wherein the first switch piece is arranged on the side wall of the base shell 71 and is connected with an internal circuit of the kitchen ventilator, the first switch piece is used for controlling the opening and closing of the suction structure 2, the second switch piece is also connected with the internal circuit of the kitchen ventilator, and the second switch piece is used for controlling the suction power of the suction structure 2.

The working principle of the suction structure 2 provided in this embodiment is specifically as follows:

when the suction structure 2 sucks, the suction structure 2 is started, the suction structure 2 sucks the medium at the air inlet, the suction structure 2 sucks the medium to one end of the guide surface 231 close to the suction structure 2, the medium is discharged to the periphery of the first guide piece 23 along the guide surface 231, and particularly, the medium is discharged to the inclined side of the periphery of the guide piece 23 along the guide surface 231; the air-out direction is to the peripheral slope discharge of suction structure 2 periphery, can make the peripheral atmospheric pressure of suction structure 2 air outlet end periphery reduce, and the Zhou Ceou domain distance of the specific shell 21 of low atmospheric pressure region is nearer, leads to the oil smoke that is in shell 21 all around can be moved towards the low atmospheric pressure direction of first water conservancy diversion piece 23 position to the oil smoke to suction structure 2 periphery is sucked, and the suction effect is better.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (12)

1. A desktop range hood, comprising:

-a base structure (1), said base structure (1) being adapted to be mounted on a table top;

-a suction structure (2), said suction structure (2) being connected to said base structure (1), said suction structure (2) being adapted to be directed towards a pan for sucking cooking fumes;

the suction structure (2) comprises a housing (21), wherein a first mounting cavity is arranged inside the housing (21);

and a suction assembly (22) and a deflector (23) in succession in the suction direction; the suction assembly (22) is positioned inside the first mounting cavity, and the guide piece (23) is mounted on the suction assembly (22);

the side of the guide piece (23) close to the suction assembly (22) is provided with a guide surface (231) suitable for guiding medium to be discharged, and the guide surface (231) is gradually and peripherally expanded from the center along the medium discharging direction so that the medium is discharged from the periphery of the guide piece (23).

2. The desktop range hood according to claim 1, characterized in that the flow guide (23) is horn-shaped, the flow guide surface (231) being annular; and along the suction direction, the diameter of the circle in which the profile of the radial section of the guide surface (231) is located is gradually increased.

3. The table top range hood according to claim 1, wherein the suction assembly (22) further comprises a base frame (221), the deflector (23) being mounted on the base frame (221);

the base frame (221) includes:

a support portion (2211), the flow guide (23) being mounted on the support portion (2211);

and stationary blades (2212), wherein the stationary blades (2212) are arranged on the periphery of the supporting part (2211), and a drainage channel which is communicated with the suction assembly (22) and the flow guide piece (23) is arranged in the stationary blades (2212).

4. A desktop range hood according to claim 3, characterized in that the suction assembly (22) further comprises a drive motor (222), a motor bracket (223) and an impeller (224); the impeller (224) is arranged on the outer peripheral surface of the output end of the driving motor (222), the driving motor (222) is connected with the motor support (223), and the motor support (223) is arranged on the base frame (221).

5. A desktop range hood according to claim 3, characterized in that the housing (21) has an air inlet, the suction structure (2) further comprising a collecting member (24) and a filter assembly (25) arranged at the air inlet, the collecting member (24) and the filter assembly (25) being both mounted in the first mounting cavity, the collecting member (24) being connected to the filter assembly (25).

6. The table top range hood according to claim 5, wherein the filter assembly (25) comprises a first filter (251); the first filter piece (251) is arranged on one side of the gathering piece (24) close to the air inlet; the bottom end of the first filter piece (251) is provided with a clamping part (2511), the bottom end of the aggregation piece (24) is provided with a clamping interface (241), and the clamping part (2511) is clamped on the clamping interface (241) to position the first filter piece (251);

an oil collecting port (211) is further formed in the bottom end of the shell (21), and the oil collecting port (211) is communicated with the clamping port (241).

7. The table top range hood according to claim 6, wherein the first filter (251) further comprises a protrusion (2512) and a first mounting portion (2513), the protrusion (2512) being disposed on a side of the first filter (251) adjacent to the air inlet;

the first mounting part (2513) is arranged on one side, far away from the air inlet, of the first filter piece (251), and the first mounting part (2513) is used for fixing the first filter piece (251) on the collecting piece (24).

8. A desktop range hood according to any one of claims 5-7, further comprising an illumination member (3), said illumination member (3) being arranged on said collecting member (24).

9. A desktop range hood according to claim 8, characterized in that the suction structure (2) is arranged obliquely to the base structure (1), the axis of the suction structure (2) being at an angle of 60 ° -82 ° to the axis of the base structure (1).

10. A desktop range hood according to claim 9, characterized in that the base structure (1) comprises a base housing (11), the base housing (11) being internally provided with a second mounting cavity,

wherein, the base structure (1) is also internally provided with an oil collecting component (12); the oil collecting component (12) is arranged in the second mounting cavity, and the oil collecting component (12) is used for collecting the oil stains filtered out by the suction structure (2).

11. The desktop range hood according to claim 10, characterized in that the oil collection assembly (12) comprises:

the oil collecting groove (121), the oil collecting groove (121) is arranged at the top end of the base shell (11), and the oil collecting groove (121) is suitable for being arranged corresponding to an oil collecting port (211) on the base structure (1);

an oil collecting channel (122), wherein the oil collecting channel (122) is arranged in the second mounting cavity, and the top end of the oil collecting channel (122) is communicated with the bottom end of the oil collecting groove (121);

and an oil storage cup (123), the oil storage cup (123) is detachably mounted on the base housing (11), the oil storage cup (123) is provided with an oil cup bin (1231), and the open end of the oil cup bin (1231) faces the oil collecting channel (122);

the bottom end of the oil collecting channel (122) is communicated with the oil cup bin (1231); the oil collection channel (122) is adapted to guide oil dirt passing from within the oil collection groove (121) into the oil cup bin (1231).

12. The table top range hood according to claim 10, further comprising a bottom cover mounted at the bottom of the base housing (11), the bottom of the bottom cover being provided with an absorbing member (124), the absorbing member (124) being adapted to be absorbed on a table top.