CN212618537U

CN212618537U - Oil-smoke separating device of household range hood

Info

Publication number: CN212618537U
Application number: CN202021128154.6U
Authority: CN
Inventors: 方敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-26
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an oil smoke separating device of a household smoke exhaust ventilator, which comprises a front separating plate consisting of a plurality of front gratings and a rear separating plate consisting of a plurality of rear gratings, wherein a middle separating plate consisting of a plurality of middle gratings is arranged between the front separating plate and the rear separating plate, an air inlet is formed between the adjacent front gratings, an air outlet is formed between the adjacent rear gratings, an air vent is formed between the adjacent middle gratings, the front separating plate and the rear separating plate are symmetrically distributed at the front side and the rear side of the middle separating plate, the number of times of collision between the oil smoke and the front separating plate, the rear separating plate and the middle separating plate is increased by adding the middle separating plate between the front separating plate and the rear separating plate, the effect of isolating larger oil smoke particles by the oil smoke separating device is better, and simultaneously, the air inlet and the air outlet can be mutually symmetrically distributed at the front side and the rear side of the middle separating plate, the flow path of the air flow is more stable, thereby reducing the noise generated.

Description

Oil-smoke separating device of household range hood

Technical Field

The utility model relates to a technical field of domestic smoke ventilator equipment specifically is a domestic smoke ventilator's oil smoke separator.

Background

At present, the oil fume separation plate of most household smoke exhaust ventilators separates grease and impurities in oil fume to a grid screen plate by utilizing the principle that air flow turns and collides to generate larger oil fume particles, so that the surface of a wind wheel inside the smoke exhaust ventilator is kept free from the adhesion of the grease, the accumulated grease on the wind wheel is reduced, and the service lives of a motor and the whole ventilator are prolonged. However, the oil-smoke separating plate has a problem which is not easy to solve all the time, only has a front layer separating plate and a rear layer separating plate, the number of times of collision of airflow entering the separating plates is small, the air inlet and the air outlet are designed asymmetrically, and large airflow noise is easy to generate, or the two layers of separating plates are designed symmetrically, the number of times of airflow collision is small, and various problems of large noise, incomplete oil-smoke separation, oil overflow of the front separating plate and the like exist.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a domestic smoke ventilator's oil smoke separator, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

The purpose of the utility model is realized like this:

the utility model provides a domestic smoke ventilator's oil smoke separator, includes the preceding separation plate of compriseing the preceding grid of a plurality of and the back separation plate of compriseing the grid behind a plurality of, is equipped with the middle separation plate of compriseing grid in a plurality of between preceding separation plate and the back separation plate, forms the air inlet between the adjacent preceding grid, forms the gas outlet between the adjacent back grid, forms the blow vent between the adjacent well grid, preceding separation plate distributes both sides around the middle separation plate with the back separation plate symmetry.

And air guide arc surfaces are arranged on the inner sides of the front grating and the rear grating and on the front side and the rear side of the middle grating.

The center line of the air guide cambered surface on the front side of the middle grating coincides with the center line of the air inlet, the center lines of the air guide cambered surfaces of the front grating and the rear grating coincide with the center line of the air vent, and the center line of the air guide cambered surface on the rear side of the middle grating coincides with the center line of the air outlet.

And the outer side wall of the front separation plate and/or the rear separation plate is/are provided with a positioning clamping edge.

And an oil discharge groove is formed in the bottom of the middle separation plate.

The front separating plate, the middle separating plate and the rear separating plate are all made of die-casting aluminum.

And an isolation belt is arranged at the bottom of the middle separation plate.

The utility model has the advantages that:

through the separation plate in the middle of increasing between preceding separation plate and back separation plate, increased oil smoke and preceding separation plate, the number of times of collision between back separation plate and the middle separation plate makes the effect of great oil smoke granule of this oil smoke separator isolation better, simultaneously, preceding separation plate and back separation plate symmetry set up both sides around the middle separation plate can make air intake and air outlet also mutual symmetric distribution, and the flow path of air current is more stable to reduce the noise that produces.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

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

Fig. 2 is a perspective view of an embodiment of the present invention.

Fig. 3 is the assembly schematic diagram between the embodiment of the present invention and the inner frame of the range hood.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-3, the oil smoke separating device of the household range hood comprises a front separating plate consisting of a plurality of front grilles 1 and a rear separating plate consisting of a plurality of rear grilles 2, wherein a middle separating plate consisting of a plurality of middle grilles 3 is arranged between the front separating plate and the rear separating plate, an air inlet 11 is formed between the adjacent front grilles 1, an air outlet 21 is formed between the adjacent rear grilles 2, air vents 31 are formed between the adjacent middle grilles 3, the front separating plate and the rear separating plate are symmetrically distributed at the front side and the rear side of the middle separating plate, the number of times of collision between the oil smoke and the front separating plate, the rear separating plate and the middle separating plate is increased by adding the middle separating plate between the front separating plate and the rear separating plate, so that the effect of isolating larger oil smoke particles of the oil smoke separating device is better, and meanwhile, the air inlet and the air outlet can be symmetrically distributed at the front side and the rear side of the middle separating plate, the flow path of the air flow is more stable, thereby reducing the noise generated.

Furthermore, air guide cambered surfaces (4 a, 4b, 4c and 4 d) are arranged on the inner sides of the front grille 1 and the rear grille 2 and on the front side and the rear side of the middle grille 3 respectively, and can guide airflow to sequentially pass through the air inlet 11, the air vent 31 and the air outlet 21, so that the collision efficiency between the airflow and the front grille 1, the rear grille 2 and the middle grille 3 is improved.

Furthermore, the center line of the air guide cambered surface 4b on the front side of the middle grille 3 coincides with the center line of the air inlet 11, the center lines of the air guide cambered surfaces (4 a and 4 d) of the front grille 1 and the rear grille 2 coincide with the center line of the air vent 31, and the center line of the air guide cambered surface 4c on the rear side of the middle grille 3 coincides with the center line of the air outlet 21, so that the flow path of the air flow is improved to be more stable, and the generated noise is reduced.

Furthermore, the outer side wall of the front separation plate and/or the outer side wall of the rear separation plate are/is provided with positioning clamping edges 5, so that the product is convenient to mount with the range hood.

Furthermore, the bottom of the middle separation plate is provided with an oil discharge groove 6, and oil stains generated on the front separation plate and the rear separation plate are discharged from the oil discharge groove 6 outwards from top to bottom under the action of gravity.

Furthermore, the front separating plate, the middle separating plate and the rear separating plate are all made of die-casting aluminum, so that grease in air can be condensed in an accelerated mode, and high-temperature oil smoke can be separated quickly.

Further, the bottom of middle separation plate is equipped with median 7, as shown in fig. 3, the oil smoke separation plate is installed on smoke ventilator leading glass, leading glass is last to install inside casing 51, this oil smoke separator joint is on inside casing 51, oil smoke separator generally needs the slope installation, the greasy dirt flows according to the arrow direction of fig. 3 after getting rid of from oil extraction groove 6, and at this moment, median 7 can prevent greasy dirt flow direction inside casing 51, prevents that the greasy dirt from the clearance outflow smoke ventilator surface of oil smoke separation plate and inside casing.

Air and oil smoke enter from the air inlet 11 and collide with the air guide arc surface 4b on the front side of the middle grating 3 to form first collision, the air guide arc surface 4b on the front side of the middle grating 3 guides air flow to collide with the air guide arc surface 4a on the inner side of the front grating 1 to form second collision, the air guide arc surface 4a on the inner side of the front grating 1 guides air flow to pass through the air vent 31 from bottom to top, the air guide arc surface 4d on the inner side of the rear grating 2 collides to form third collision, the air guide arc surface 4d on the inner side of the rear grating 2 guides air flow to collide with the air guide arc surface 4c on the rear side of the middle grating 3 again to form fourth collision, then the air flow is discharged outwards from the air outlet 21, the air flow collides for.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. The utility model provides a domestic smoke ventilator's oil smoke separator, includes the preceding separation plate of constituteing by a plurality of preceding grid (1) and the back separation plate of constituteing by a plurality of back grid (2), its characterized in that, be equipped with the middle separation plate of constituteing by grid (3) in a plurality of between preceding separation plate and the back separation plate, form air inlet (11) between adjacent preceding grid (1), form gas outlet (21) between adjacent back grid (2), form blow vent (31) between adjacent well grid (3), preceding separation plate and back separation plate distribute both sides around the middle separation plate symmetrically.

2. The soot separating device of a domestic range hood according to claim 1, wherein: the inner sides of the front grille (1) and the rear grille (2) and the front side and the rear side of the middle grille (3) are respectively provided with an air guide cambered surface (4 a, 4b, 4c, 4 d).

3. The lampblack separation device of a domestic range hood according to claim 2, characterized in that: the central line of the air guide cambered surface (4 b) on the front side of the middle grating (3) is superposed with the central line of the air inlet (11), the central lines of the air guide cambered surfaces (4 a, 4 d) of the front grating (1) and the rear grating (2) are superposed with the central line of the air vent (31), and the central line of the air guide cambered surface (4 c) on the rear side of the middle grating (3) is superposed with the central line of the air outlet (21).

4. The soot separating device of a domestic range hood according to claim 1, wherein: and the outer side wall of the front separation plate and/or the rear separation plate is/are provided with a positioning clamping edge (5).

5. The soot separating device of a domestic range hood according to claim 1, wherein: and an oil discharge groove (6) is formed at the bottom of the middle separating plate.

6. The soot separating device of a domestic range hood according to claim 1, wherein: the front separating plate, the middle separating plate and the rear separating plate are all made of die-casting aluminum.

7. The oil smoke separating device of the domestic oil smoke ventilator according to any one of the claims 1-6, characterized in that: and an isolation belt (7) is arranged at the bottom of the middle separation plate.