CN210197380U

CN210197380U - Filter screen and range hood with same

Info

Publication number: CN210197380U
Application number: CN201920214992.6U
Authority: CN
Inventors: Wangchen Wu; 吴望晨
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-03-27
Anticipated expiration: 2029-02-20

Abstract

The utility model provides a filter screen, including the connecting axle with install the first rotatory net on the connecting axle, the rotatory net of second, first rotatory net is including using the connecting axle to outwards be the first oil bar that spoke form distributes and encircle the first stator that keeps off the oil bar periphery at first with the center, the rotatory net of second is including using the connecting axle to outwards be the second oil bar that spoke form distributes and encircle the second stator that keeps off the oil bar periphery at the second as the center, first stator and second stator homogeneous phase set up for radial plane slope, the incline direction of first stator and second stator is opposite. The utility model also discloses a range hood of installing this filter screen. The utility model has the advantages that: every layer of dynamic rotating net periphery of this filter screen sets up the stator that the direction of inclination is opposite, and under the effect of air inlet wind-force, the dynamic rotating net can take place rotatoryly, and the rotatory cutting collision of rotatory net advances the oil smoke gas stream, intercepts the greasy dirt granule in the oil smoke, and two-layer rotatory net backward cutting collision advances the oil smoke gas stream, can improve lampblack absorber grease separation degree.

Description

Filter screen and range hood with same

Technical Field

The utility model relates to a range hood especially relates to a filter screen and install range hood of this filter screen.

Background

The range hood is an electrical product for sucking and exhausting oil smoke generated by indoor cooking, the national standard and regulation have technical indexes such as oil-fat separation degree and the like for oil smoke pollutants exhausted by an external range hood, and the range hood needs to play a role in filtering and intercepting the oil smoke in the range hood and reducing the pollution of the exhausted oil smoke to the environment as much as possible. Current range hood generally filters the oil smoke through the filter screen, and current filter screen generally is static poroid oil net, perhaps is rotatory poroid structure, and range hood during operation intercepts the greasy dirt granule in the oil smoke through the inertial collision of filter screen to the air current, however, because collision between current filter screen and the oil smoke is not enough, causes the grease separation effect not good. In conclusion, the structure of the existing filter screen and range hood needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a can positive and negative direction cutting, collision air inlet flow's filter screen to above-mentioned prior art current situation.

The utility model aims to solve the second technical problem that to above-mentioned prior art current situation, provide a range hood that grease separation degree is good.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this filter screen, its characterized in that: including the connecting axle and install the rotatory net of first rotatory net, second on the connecting axle, first rotatory net is including using the connecting axle to outwards be the first oil bar that spoke shape distributes as the center and encircle first stator that keeps off the oil bar periphery, the rotatory net of second keeps off the oil bar and encircles including using the connecting axle to outwards be the second that spoke shape distributes as the center second stator that keeps off the oil bar periphery, first stator and second stator homogeneous phase set up for radial plane slope, just the incline direction of first stator and second stator is opposite.

Preferably, the periphery of the first rotating net is provided with a first inner ring and a first outer ring, the outer end of the first oil blocking rod is connected to the first inner ring, and two ends of the first guide vane are respectively mounted on the first inner ring and the first outer ring; the periphery of the second rotating net is provided with a second inner ring and a second outer ring, the outer end of the second oil blocking rod is connected to the second inner ring, and two ends of the second guide vane are respectively installed on the second inner ring and the second outer ring.

In order to make the structure of the filter screen more concise, the first inner ring and the first outer ring are arranged on the same plane, and the second inner ring and the second outer ring are arranged on the same plane.

Preferably, the first inner ring and the second inner ring have the same size, and the first outer ring and the second outer ring have the same size.

In order to make the airflow impact force that first rotatory net and second rotatory net received more even, first stator and second stator all along circumference interval evenly distributed, every first stator and every first oil bar one-to-one that keeps off, every second stator and every second oil bar one-to-one.

Further preferably, the inclination angle of each first guide vane is equal, and the inclination angle of each second guide vane is equal.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: this install range hood of above-mentioned filter screen, including the fan dustcoat, fan dustcoat internally mounted has fan system, and the collection petticoat pipe is installed to fan dustcoat below, the collection petticoat pipe has the oil smoke sunction inlet, its characterized in that: the filter screen is arranged on the air channel between the oil fume suction inlet and the air inlet of the fan system and is opposite to the oil fume suction inlet.

The filter screen can have a plurality of mounting structures, preferably, a filter screen bracket is mounted at the oil smoke suction inlet, and the connecting shaft is mounted on the filter screen bracket.

Preferably, the range hood is a ceiling range hood, and the filter screen is horizontally arranged right above the oil smoke suction inlet.

Further preferably, the fan of the fan system is a single-air-inlet centrifugal fan with an air inlet positioned on the front side.

Compared with the prior art, the utility model has the advantages of: this filter screen adopts double-deck dynamic rotatory net structure, the periphery of every layer of dynamic rotatory net sets up the stator that the direction of inclination is opposite, under the effect of air inlet wind-force, the dynamic rotatory net can freely take place rotatoryly, the rotatory cutting collision of rotatory net advances the oil fume gas stream, the greasy dirt granule in the interception oil smoke, and the direction of rotation of two-layer rotatory net is opposite, the opposite cutting collision of two-layer rotatory net advances the oil fume gas stream, further improve the interception filter capacity to the oil smoke, can reach the effect that improves the grease separation degree of lampblack absorber.

Drawings

Fig. 1 is a schematic structural diagram of a filter screen according to an embodiment of the present invention;

FIG. 2 is an exploded view of the filter screen of FIG. 1 (with the connecting shaft removed);

fig. 3 is a schematic structural diagram of a range hood according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the range hood shown in fig. 3 without a fan housing.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and 2, the filter screen of the present embodiment includes a first rotating net 1, a second rotating net 2, and a connecting shaft 3, and the first rotating net 1 and the second rotating net 2 are axially installed on the connecting shaft 3 in sequence.

The first rotating network 1 comprises a first oil bar 11, a first vane 12, a first inner ring 13 and a first outer ring 14. Wherein, first fender oil pole 11 uses connecting axle 3 to outwards be spoke-like distribution as the center, and first inner circle 13 and first outer lane 14 are located on the coplanar, and the outer end of first fender oil pole 11 is connected on first inner circle 13, first stator 12 along circumference interval evenly distributed and with first fender oil pole 11 one-to-one, the inner end of first stator 12 is connected on first inner circle 13, the outer end of first stator 12 is connected on first outer lane 14, and first stator 12 encircles the periphery at first fender oil pole 11 promptly. Furthermore, the first vanes 12 are arranged inclined with respect to a radial plane, and the angle of inclination of each first vane 12 is equal.

The second rotating net 2 includes a second plunger 21, a second vane 22, a second inner ring 23, and a second outer ring 24. The second oil blocking rods 21 are distributed outwards in a spoke shape with the connecting shaft 3 as a center, and the second inner ring 23 and the second outer ring 24 are arranged on the same plane. The outer end of the second oil blocking rod 21 is connected to the second inner ring 23, the second guide vanes 22 are uniformly distributed along the circumferential direction at intervals and are in one-to-one correspondence with the second oil blocking rod 21, the inner ends of the second guide vanes 22 are connected to the second inner ring 23, the outer ends of the second guide vanes 22 are connected to the second outer ring 23, and the second guide vanes 22 are surrounded on the periphery of the second oil blocking rod 21. Furthermore, the second vanes 22 are arranged inclined with respect to the radial plane, and the angle of inclination of each second vane 22 is equal.

In this embodiment, the first rotating net 1 and the second rotating net 2 have the same size, that is, the first inner ring 13 and the second inner ring 23 have the same size, and the first outer ring 14 and the second outer ring 24 have the same size. The first oil deflector 11 and the second oil deflector 21 are also arranged in the same manner. The first and second

rotating nets

1 and 2 differ in that the direction of inclination of the first guide vanes 12 is opposite to the direction of inclination of the second guide vanes 22.

As shown in fig. 3 and 4, the range hood in this embodiment is a top-suction range hood, which includes a fan housing 4, a fan system 5 is installed inside the fan housing 4, a fan of the fan system 5 is a single-intake centrifugal fan with an air inlet located at a front side, a smoke collection cover 6 is installed below the fan housing 4, the smoke collection cover 6 has a smoke suction inlet 7, and a fixed filter screen 9 is installed at the smoke suction inlet 7. The above structure is the same as the structure of the existing range hood, and is not described in detail herein.

In this embodiment, a filter screen bracket 8 is installed at the oil smoke suction port 7, the connecting shaft 3 of the filter screen of this embodiment is installed on the filter screen bracket 8, and the filter screen is installed on the air duct between the oil smoke suction port 7 and the air inlet of the fan system 5 and horizontally installed right above the oil smoke suction port 7.

The range hood during operation, under the effect of air inlet wind-force, first rotatory net 1 and the rotatory net 2 of second take place the free rotation, the rotatory cutting collision air inlet oil flue gas stream of rotatory net, the greasy dirt granule in the interception oil smoke, and because the direction of rotation of first rotatory net 1 and the rotatory net 2 of second is opposite, make first rotatory net 1 and the rotatory net 2 of second can opposite direction cutting, collide air inlet oil flue gas stream, thereby further improve the interception filter capacity to the oil smoke, reach the effect that improves the grease separation degree of range hood, and then can reduce the inside greasy dirt of impeller and spiral case and remain, reduce the clean frequency of impeller and spiral case.

Claims

1. A filter screen, its characterized in that: including connecting axle (3) and install first rotatory net (1), the rotatory net of second (2) on the connecting axle, first rotatory net (1) is including using connecting axle (3) to outwards be spoke form distribution's first fender oil pole (11) and encircle as center first fender oil pole periphery first stator (12), the rotatory net of second (2) is including using the connecting axle to outwards be spoke form distribution's second fender oil pole (21) and encircle second stator (22) of second fender oil pole periphery as center, first stator (12) and second stator (22) homogeneous phase set up for radial plane slope, just the incline direction of first stator (12) and second stator (22) is opposite.

2. The screen of claim 1, wherein: a first inner ring (13) and a first outer ring (14) are arranged on the periphery of the first rotating net (1), the outer end of the first oil blocking rod (11) is connected to the first inner ring (13), and two ends of the first guide vane (12) are respectively installed on the first inner ring (13) and the first outer ring (14); the periphery of the second rotating net (2) is provided with a second inner ring (23) and a second outer ring (24), the outer end of the second oil blocking rod (21) is connected to the second inner ring (23), and two ends of the second guide vane (22) are respectively installed on the second inner ring (23) and the second outer ring (24).

3. The screen of claim 2, wherein: the first inner ring (13) and the first outer ring (14) are arranged on the same plane, and the second inner ring (23) and the second outer ring (24) are arranged on the same plane.

4. The screen of claim 2, wherein: the first inner ring (13) and the second inner ring (23) are the same in size, and the first outer ring (14) and the second outer ring (24) are the same in size.

5. The screen of claim 1, wherein: first stator (12) and second stator (22) all along circumference interval evenly distributed, every first stator (12) and every first fender oil pole (11) one-to-one, every second stator (22) and every second fender oil pole (21) one-to-one.

6. The screen of claim 5, wherein: the inclination angle of each first guide vane (12) is equal, and the inclination angle of each second guide vane (22) is equal.

7. A range hood provided with the filter screen of any one of claims 1 to 6, comprising a fan housing (4), wherein a fan system (5) is arranged in the fan housing (4), a smoke collecting hood (6) is arranged below the fan housing (4), the smoke collecting hood (6) is provided with a smoke suction inlet (7), and the range hood is characterized in that: the filter screen is arranged on an air channel between the oil fume suction inlet (7) and an air inlet of the fan system (5) and is opposite to the oil fume suction inlet (7).

8. The range hood of claim 7, wherein: the oil smoke suction inlet (7) is provided with a filter screen support (8), and the connecting shaft (3) is arranged on the filter screen support (8).

9. The range hood of claim 7, wherein: the range hood is a top-suction range hood, and the filter screen is horizontally arranged right above the oil smoke suction inlet (7).

10. The range hood of claim 7, wherein: and a fan of the fan system (5) is a single-air-inlet centrifugal fan with an air inlet positioned at the front side.