CN220506853U

CN220506853U - Lifting type range hood

Info

Publication number: CN220506853U
Application number: CN202322052631.5U
Authority: CN
Inventors: 王磊
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-20
Anticipated expiration: 2033-07-31

Abstract

The utility model provides a lifting type range hood, includes box and air inlet body down, and the air inlet body is located down on the box and can do elevating movement for lower box, and the air inlet body has air intake, its characterized in that: the air inlet body is provided with a first sealing element, the lower box body is provided with a second sealing element, the first sealing element is positioned above the second sealing element, and the vertical projection of the first sealing element is at least partially overlapped with the second sealing element. The utility model has the advantages that: the air inlet body of the lifting type range hood is provided with the first sealing element, the lower box body is provided with the second sealing element, the first sealing element is located above the second sealing element, the vertical projection of the first sealing element is at least partially overlapped with the second sealing element, and the risk of leakage of oil smoke from a gap between the lower box body and the air inlet body can be reduced through the cooperation of the first sealing element and the second sealing element, so that the sealing problem of the oil smoke between the upper box body and the air inlet body is effectively solved.

Description

Lifting type range hood

Technical Field

The utility model relates to the technical field of range hoods, in particular to a lifting range hood.

Background

The traditional top-draft type range hood is large in size, a cooking person can easily bump the head, if the distance between the air inlet of the range hood and a lampblack generating area is large, the sucking path of lampblack is long, the sucking time is increased, lampblack escaping phenomenon is easy to occur in the cooking process, if the mounting height of the range hood is reduced, the air inlet is as close to a lampblack source as possible, the negative pressure is downwards expanded, although the range hood effect is improved, the cooking space is too small, the head of the cooking person can be carelessly and easily bumped into the smoke collecting hood, and the whole appearance of the sight and the kitchen is also influenced after the mounting height is reduced. To this end, a lifting type range hood has been invented, such as "a range hood" disclosed in chinese patent No. 202010294463.9 (issued to publication No. CN 1111425902B), which includes an air intake assembly, a smoke exhaust assembly, an oil guiding structure, and an oil cup disposed at the bottom of the air intake assembly, the smoke exhaust assembly includes a fan housing and a fan system, the air intake assembly includes a first air intake box, the fan housing includes a second air intake box, and the first air intake box can be inserted into the second air intake box and lifted with respect to the second air intake box. Although the negative pressure area moves downwards through the descending of the first air inlet box body, the oil fume suction effect is improved, the pressure release problem possibly exists between the first air inlet box body and the second air inlet box body in the lifting process of the first air inlet box body, and the oil fume suction effect is further affected. In view of the above, there is a need for further improvements in existing lifting range hoods.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lifting type range hood capable of effectively solving the sealing problem of oil smoke between an upper box body and an air inlet body.

The technical scheme adopted for solving the technical problems is as follows: this over-and-under type range hood, including lower box and air inlet body, the air inlet body is located on the lower box and can do elevating movement for the lower box, the air inlet body has air intake, its characterized in that: the air inlet body is provided with a first sealing element, the lower box body is provided with a second sealing element, the first sealing element is positioned above the second sealing element, and the vertical projection of the first sealing element is at least partially overlapped with the second sealing element.

The first sealing member may have various mounting structures, preferably, the air inlet body is provided with a grating plate, the grating plate is lifted along with lifting of the air inlet body, and the first sealing member is arranged on the grating plate and positioned at the front side of the grating plate.

Further preferably, an upper baffle is installed at the bottom of the front side of the grating plate, the upper baffle is vertically arranged above the air inlet, the top of the upper baffle is provided with an upper folded edge which is bent forward and upward, and the first sealing piece is the upper folded edge.

In order to form linear seal between the lower front plate and the upper guide plate, the lower box body is provided with a lower front plate, the lower front plate is vertically arranged, and the rear side surface of the lower front plate is close to the front edge of the upper folded edge. Thus, the oil smoke leakage can be avoided, and the pressure relief is prevented.

In order to further form the line seal between lower front bezel and last guide plate, the bottom of lower front bezel has the lower hem of bending backward below, the second sealing member is lower hem, under the air inlet body state of falling, the trailing edge of lower hem is close to the leading flank of last guide plate.

In order to further improve the sealing effect, the upper flange and the lower flange are provided with opposite surfaces, and the upper flange is abutted against or close to the opposite surfaces of the lower flange to form surface sealing in a state that the air inlet body descends to the lowest position. Therefore, after the surface sealing structure is formed, pressure relief can be better prevented, and the oil fume suction effect is ensured.

Further preferably, the upper flange and the lower flange have opposite surfaces, the lower box body and the air inlet body are lifted synchronously, and the upper flange is abutted against or close to the opposite surfaces of the lower flange to form a surface seal in a state that both the lower box body and the air inlet body are lowered to the lowest position.

In order to enable oil on the lower front plate to smoothly flow into the oil cup, the oil cup is arranged at the bottom of the air inlet body, and the projection of the rear edge of the lower hem in the vertical direction falls into the oil cup.

In order to scrape the oil on the rear side of the lower front plate into the oil cup, the front side of the grating plate is provided with a scraping piece, the front edge of the scraping piece is close to the rear side of the lower front plate, and the scraping piece is clamped between the grating plate and the upper hem.

Further preferably, in a state that the air inlet body is located at the lowest position, the lower edge of the upper guide plate is located below the bottom of the lower box body. The upper guide plate can reduce the height of the air inlet, so that the oil smoke is sucked when still having a certain distance with the lower box body, on one hand, the condensed oil on the surface of the lower box body can be reduced, and on the other hand, the oil smoke leakage can be reduced.

Compared with the prior art, the utility model has the advantages that: the air inlet body of the lifting type range hood is provided with the first sealing element, the lower box body is provided with the second sealing element, the first sealing element is located above the second sealing element, the vertical projection of the first sealing element is at least partially overlapped with the second sealing element, and the risk of leakage of oil smoke from a gap between the lower box body and the air inlet body can be reduced through the cooperation of the first sealing element and the second sealing element, so that the sealing problem of the oil smoke between the upper box body and the air inlet body is effectively solved.

Drawings

Fig. 1 is a schematic structural view of a range hood (a lower case and an air inlet body are lifted up) according to an embodiment of the present utility model;

fig. 2 is a schematic view of an internal structure of the range hood shown in fig. 1;

fig. 3 is a structural cross-sectional view of the range hood shown in fig. 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic diagram of the structure of an air intake body and an oil cup according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a range hood according to an embodiment of the present utility model (a lower case and an air inlet body are lowered);

fig. 7 is a structural sectional view of the range hood shown in fig. 5;

fig. 8 is an enlarged schematic view of a portion B in fig. 7.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 7, the lifting type range hood of the present embodiment includes an upper case 10, a lower case 1, and an air intake body 2. The upper case 10 is internally provided with a fan system 11, and the lower case 1 is wrapped outside the upper case 10 and can move up and down relative to the upper case 10. With the direction indicated by arrow C in fig. 3 as the backward direction, the air inlet body 2 is accommodated at the rear part of the lower box body 1 and can move up and down relative to the lower box body 1, the air inlet body 2 is provided with an air inlet 21, when the air inlet body 2 descends, the air inlet 21 is exposed below the lower box body 1, and when the air inlet body 2 ascends, the air inlet 21 is hidden inside the lower box body 1. An oil cup 6 is arranged at the bottom of the air inlet body 2. The upper box body 10, the lower box body 1 and the air inlet body 2 form a two-stage lifting mechanism, and the lower box body 1 and the air inlet body 2 can synchronously move under the drive of a set of driving mechanism or independently move under the drive of independent driving mechanisms.

In this embodiment, the air inlet body 2 is provided with a first sealing member, the lower box body 1 is provided with a second sealing member, the first sealing member is located above the second sealing member, the vertical projection of the first sealing member is at least partially overlapped with the second sealing member, and the sealing between the lower box body 1 and the air inlet body 2 is achieved through the first sealing member and the second sealing member.

In this embodiment, the air inlet body 2 is provided with the grating plate 3, the grating plate 3 is fixed on the top of the air inlet main body of the air inlet body 2, and the grating plate 3 is lifted along with the lifting of the air inlet body 2. An upper deflector 4 is installed at the bottom of the front side of the grating plate 3, the upper deflector 4 is vertically arranged above the air inlet 21, the top of the upper deflector 4 is provided with an upper folded edge 41 which is bent forward and upward, and the upper folded edge 41 forms a first sealing piece. In the state that the air inlet body 2 is positioned at the lowest position, the lower edge of the upper guide plate 4 is positioned below the bottom of the lower box body 1. The upper guide plate 4 can reduce the height of the air inlet 21, so that the oil smoke is sucked when still having a certain distance with the lower box body 1, on one hand, the condensed oil on the surface of the lower box body 1 can be reduced, and on the other hand, the oil smoke leakage can be reduced.

The lower box 1 internally mounted has upper front bezel 8, and upper front bezel 5 is installed to the rear below of upper front bezel 8, and lower front bezel 5 is vertically disposed, and the trailing side of lower front bezel 5 is close to the front edge of upper hem 41. Further, a scraper 7 is interposed between the upper flange 41 and the grid plate 3, and the front edge of the scraper 7 is located near the rear side surface of the lower front plate 5, and a certain gap is formed between the front edge of the scraper 7 and the rear side surface of the lower front plate 5. In the descending process of the air inlet body 2, a sealing structure with a certain degree is formed between the scraping piece 7 and the lower front plate 5, namely, motion sealing is realized, and the line sealing is realized, so that the leakage of oil smoke is avoided, and pressure relief is prevented. And the scraper 7 scrapes the oil on the rear side of the lower front plate 5 into the oil cup 6.

The bottom of the lower front plate 5 has a lower flange 51 bent rearward and downward, the lower flange 51 constituting a second seal, and a projection of the rear edge of the lower flange 51 in the vertical direction falls into the oil cup 6. Under the air inlet body 2 decline state, the trailing edge of lower hem 51 is close to the leading flank of last guide plate 4, also has certain gap between the trailing edge of lower hem 51 and the leading flank of last guide plate 4, also forms the seal structure of certain degree between lower hem 51 and the last guide plate 4, and here is the line seal, and then promotes and prevents the pressure release effect.

As shown in fig. 7 and 8, in the present embodiment, the opposite surfaces of the lower flange 51 and the upper flange 41 are parallel to each other, and in the present embodiment, when the air intake body 2 is lowered to the lowest position, the lower case 1 and the air intake body 2 are lifted synchronously, and in the state that both the lower case 1 and the air intake body 2 are lowered to the lowest position, the opposite surfaces of the upper flange 41 and the lower flange 51 are brought close to each other to form a face seal. Compared with the linear seal, the surface seal effect is better, the pressure relief can be better prevented, and the oil fume suction effect is ensured.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. The utility model provides a lifting type range hood, includes box (1) and air inlet body (2) down, air inlet body (2) are located on box (1) down and can do elevating movement for box (1) down, air inlet body (2) have air intake (21), its characterized in that: the air inlet body (2) is provided with a first sealing element, the lower box body (1) is provided with a second sealing element, the first sealing element is positioned above the second sealing element, and the vertical projection of the first sealing element is at least partially overlapped with the second sealing element.

2. The lifting range hood of claim 1, wherein: the air inlet body (2) is provided with a grating plate (3), the grating plate (3) is lifted along with the lifting of the air inlet body (2), and the first sealing piece is arranged on the grating plate (3) and is positioned at the front side of the grating plate (3).

3. The lifting range hood of claim 2, wherein: an upper guide plate (4) is arranged at the bottom of the front side of the grating plate (3), the upper guide plate (4) is vertically arranged above the air inlet (21), an upper folded edge (41) bent forward and upward is arranged at the top of the upper guide plate (4), and the first sealing piece is the upper folded edge (41).

4. A lifting range hood according to claim 3, wherein: the lower box body (1) is provided with a lower front plate (5), the lower front plate (5) is vertically arranged, and the rear side surface of the lower front plate (5) is close to the front edge of the upper folded edge (41).

5. The lifting range hood of claim 4, wherein: the bottom of the lower front plate (5) is provided with a lower folded edge (51) which is bent towards the rear lower side, the second sealing piece is the lower folded edge (51), and the rear edge of the lower folded edge (51) is close to the front side surface of the upper guide plate (4) in the descending state of the air inlet body (2).

6. The lifting range hood of claim 5, wherein: the upper flange (41) and the lower flange (51) have opposite surfaces, and the upper flange (41) abuts against or approaches the opposite surfaces of the lower flange (51) to form a surface seal in a state that the air inlet body (2) descends to the lowest position.

7. The lifting range hood of claim 5, wherein: the upper folding edge (41) and the lower folding edge (51) are provided with opposite surfaces, the lower box body (1) and the air inlet body (2) are lifted synchronously, and the upper folding edge (41) is abutted against or close to the opposite surfaces of the lower folding edge (51) to form surface sealing under the state that the lower box body (1) and the air inlet body (2) are lowered to the lowest positions.

8. The lifting range hood of claim 5, wherein: the bottom of the air inlet body (2) is provided with an oil cup (6), and the projection of the rear edge of the lower folded edge (51) in the vertical direction falls into the oil cup (6).

9. The lifting range hood of claim 4, wherein: the front side of the grating plate (3) is provided with a scraping piece (7), the front edge of the scraping piece (7) is close to the rear side of the lower front plate (5), and the scraping piece (7) is clamped between the grating plate (3) and the upper folded edge (41).

10. The lifting range hood of claim 9, wherein: and in the state that the air inlet body (2) is positioned at the lowest position, the lower edge of the upper guide plate (4) is positioned below the bottom of the lower box body (1).