CN215523439U

CN215523439U - Filter device and range hood with same

Info

Publication number: CN215523439U
Application number: CN202121406958.2U
Authority: CN
Inventors: 王发银; 张岩; 韩国强; 王亚男
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-14
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a filtering device, which is characterized by comprising: a mounting seat (3); the filter screen (4) can be movably arranged on the mounting seat (3); the driving piece (5) is arranged on the filter screen (4); and a rotating member (6) mounted on the power output shaft of the driving member (5), the center of gravity of the rotating member (6) being offset from the axis of the power output shaft of the driving member (5). The utility model also discloses a range hood applying the filtering device. Compared with the prior art, the filtering device can improve the filtering efficiency.

Description

Filter device and range hood with same

Technical Field

The utility model relates to the technical field of kitchen equipment, in particular to a filtering device and a range hood applying the filtering device.

Background

In order to protect the fan and separate the oil smoke, an air inlet mesh cover is generally arranged at the air inlet of the smoke collecting hood. But a single mesh enclosure has poor filtering capability, which can cause the oil smoke to pollute the fan and cause the smoking effect to be poor.

The current solutions are mainly the following:

the first is a multilayer metal net used by foreign range hoods, which is basically 6 layers or more, the technology has the defects that the filtering effect is general, and the multilayer metal net is formed by overlapping a plurality of layers of filter screens, so that a user is difficult to clean by hand washing, and a manufacturer generally requires the user to regularly put the metal net in a dishwasher for cleaning;

the second is a high-speed rotating dynamic net, which has two types of shared motor and self-contained motor, the filtering principle is to realize collision filtering through high-speed rotation, in order to realize high-efficiency filtering speed above 1300r/min, see in particular the utility model patent with the patent application number of CN201420732722.1 (with the publication number of CN204285570U) 'a rotating centrifugal oil fume separating device' and the utility model patent with the patent application number of 201620110299.0 (with the publication number of CN205536025U) 'a flat-plate smoke exhaust ventilator', the technology has the defect of poor filtering effect, and the high-speed rotation can cause noise increase by at least 3dB, which affects the product use experience of users;

the third is a preposed electrostatic technology, the principle of the electrostatic technology is that particles are charged and adsorbed on a polar plate through positive and negative discharge, and the prior art has the defects that the electrostatic filtering effect is related to the length of the polar plate and the distance between the polar plates, the mosquito repelling sound of 'crack' appears when the electrostatic filter is used, and the polar plate is extremely expensive to clean and cannot be accepted by users.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a filtering apparatus capable of improving the filtering efficiency in view of the current state of the prior art.

The second technical problem to be solved by the utility model is to provide a range hood with the filtering device.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a filter device, comprising:

a mounting seat;

the filter screen can be movably arranged on the mounting seat;

the driving piece is arranged on the filter screen; and

and the rotating part is arranged on the power output shaft of the driving part, and the center of gravity of the rotating part is deviated from the axis of the power output shaft of the driving part.

In order to facilitate the processing of the rotating part and ensure the universality of the rotating part, the rotating part is a cam.

In order to ensure that the filter screen can vibrate at least up and down, the power output shaft of the driving piece is parallel to the filter screen.

In order to avoid the rotation piece to interfere with the filter screen in the rotation process, the filter screen on offer the confession the hole of stepping down that the rotation piece passed.

In order to facilitate the installation of the driving piece, a base is installed in the middle of the top of the filter screen, and the driving piece is arranged on the base.

In order to facilitate the discharge of smoke, the filter screen is provided with a plurality of circulation holes which are arranged in a matrix shape, and each circulation hole is in a strip shape.

In order to ensure that the filter screen has higher freedom of movement, the filter screen is connected with the mounting seat through an elastic piece.

In order to facilitate the processing of the elastic part and ensure the universality of the elastic part, the elastic part is a compression spring.

In order to conveniently and stably install the filter screen, the number of the installation seats and the number of the elastic pieces are at least three, and the installation seats and the elastic pieces are arranged along the edge of the filter screen at intervals.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the utility model provides an use range hood that has above-mentioned filter equipment, including the collection petticoat pipe, has into the mouth on this collection petticoat pipe, the mount pad locate collection petticoat pipe on, the filter screen cover enter the mouth.

Compared with the prior art, the utility model has the advantages that: through with filter screen movable mounting on the mount pad to installation driving piece drive rotation piece rotation on the filter screen, because the skew driving piece power output shaft's of the focus of rotation piece axis, under the inertia effect, the pivoted rotates the piece and can drive the filter screen and vibrate for collection petticoat pipe, and at this in-process, the irregular vibration of filter screen has increased the contact probability of filtering material with the filter screen, and then has promoted its filtration efficiency, and the resistance of ventilating is little, the noise is little.

Drawings

Fig. 1 is a schematic perspective view of a range hood according to an embodiment of the present invention (a front side plate of a fan cover is omitted);

fig. 2 is a schematic perspective view of the blower cover and the blower in fig. 1, with the blower cover and the blower omitted.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Fig. 1 and 2 show a range hood with a filter device according to a preferred embodiment of the present invention. The range hood comprises a shell 1, a fan 2, a mounting base 3, a filter screen 4, a driving piece 5 and a rotating piece 6.

The housing 1 includes a smoke collecting hood 11 and a fan hood 12 installed above the smoke collecting hood 11, specifically, a rectangular smoke inlet 111 is opened on the smoke collecting hood 11, the bottom and the top of the fan hood 12 are respectively provided with a smoke inlet and a smoke outlet, the smoke inlet is communicated with the smoke inlet 111, and the smoke outlet is communicated with an external smoke exhaust pipe.

The fan 2 is installed in the fan cover 12, and can suck the oil smoke into the fan cover 12 through the upper smoke inlet 111 of the smoke collecting hood 11 and discharge the oil smoke into the smoke discharge duct.

The number of the installation bases 3 is four, the part of each installation base 3 close to the smoke collecting cover 11 is respectively installed at four corners of the bottom of the smoke collecting cover 11 at the edge of the smoke inlet 111, and the part of each installation base 3 close to the smoke inlet 111 is installed with an elastic piece 31. In this embodiment, the elastic member 31 is a compression spring disposed along the vertical direction, the bottom end of the compression spring is connected to the mounting seat 3, and the top end of the compression spring passes through the smoke inlet 111 and is exposed to the top of the smoke collecting cover 11.

The filter screen 4 is rectangular, is movably disposed in the fan cover 12, and has a shape adapted to the smoke inlet 111 to cover the smoke inlet 111, thereby filtering the oil smoke sucked through the smoke inlet 111. Four angles of filter screen 4 bottom are connected with above-mentioned four compression spring's top respectively to make filter screen 4 can move about at the minizone relatively collection petticoat pipe 11. The filter screen 4 is provided with a plurality of circulation holes 41 which are arranged in a matrix shape, and each circulation hole 41 is in a strip shape; a base 42 is arranged in the middle of the top of the filter screen 4; the filter screen 4 is provided with a yielding hole 43 at the position close to the base 42.

The driving member 5 is a motor, and is mounted on the base 42, and a power output shaft thereof is arranged in parallel to the filter 4.

The rotor 6 is mounted on the power take-off shaft of the driver 5. In this embodiment, the rotating member 6 is a cam, and is disposed corresponding to the above-mentioned abdicating hole 43 and its local part can pass through the abdicating hole 43 in the rotating process, because the rotating center of the cam deviates from the center of gravity of the cam, that is, the center of gravity of the rotating member 6 deviates from the axis of the power output shaft of the driving member 5, therefore, the rotating member 6 can drive the filter screen 4 to vibrate in the direction perpendicular to the axis of the power output shaft of the driving member 5 relative to the smoke collecting hood 11 due to the inertia effect in the rotating process.

The working principle of the embodiment is as follows: the range hood during operation, fan 2 start and inhale fan cover 12 with the oil smoke through the inlet 111 on the collection petticoat pipe 11 in, driving piece 5 starts to drive and rotates piece 6 and rotate, rotates piece 6 and drives filter screen 4 and vibrate for collection petticoat pipe 11 under the inertia effect, and the elastic component 31 of different positions takes place tensile or compression motion thereupon, and at this in-process, the irregular vibration of filter screen 4 has increased the contact probability of oil smoke with filter screen 4, and then has promoted its filtration efficiency.

Claims

1. A filter device, comprising:

a mounting seat (3);

the filter screen (4) can be movably arranged on the mounting seat (3);

the driving piece (5) is arranged on the filter screen (4); and

and the rotating part (6) is arranged on the power output shaft of the driving part (5), and the center of gravity of the rotating part (6) is deviated from the axis of the power output shaft of the driving part (5).

2. The filtration device of claim 1, wherein: the rotating part (6) is a cam.

3. The filtration device of claim 1, wherein: the power output shaft of the driving piece (5) is arranged in parallel with the filter screen (4).

4. A filter arrangement according to claim 3 wherein: the filter screen (4) on offer and supply the hole of stepping down (43) that the rotation piece (6) passed.

5. The filtration device of claim 1, wherein: base (42) are installed to the intermediate position at filter screen (4) top, driving piece (5) locate on this base (42).

6. The filtration device of claim 1, wherein: the filter screen (4) is provided with a plurality of circulation holes (41) which are arranged in a matrix shape, and each circulation hole (41) is in a strip shape.

7. The filtration device of claim 1, wherein: the filter screen (4) is connected with the mounting seat (3) through an elastic piece (31).

8. The filtration device of claim 7, wherein: the elastic piece (31) is a compression spring.

9. The filtration device of claim 7, wherein: the mounting seats (3) and the elastic pieces (31) are at least three in number and are arranged at intervals along the edge of the filter screen (4).

10. A range hood using the filtering device according to any one of claims 1 to 9, comprising a hood (11), the hood (11) having a smoke inlet (111), the mounting base (3) being disposed on the hood (11), and the screen (4) covering the smoke inlet (111).