CN220506844U

CN220506844U - Lifting type range hood

Info

Publication number: CN220506844U
Application number: CN202322041882.3U
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, lower box and air inlet body, and on the box was located to lower box, the air inlet body was located on the lower box and can make elevating movement relative to lower box, and the oil cup, its characterized in that are installed to the bottom of air inlet body: the lower box body is internally provided with an air inlet channel for lifting the air inlet body, the air inlet body is provided with a scraping part, and in the lifting process of the air inlet body, the scraping part can scrape oil on the inner wall surface of the air inlet channel into the oil cup. The utility model has the advantages that: the air inlet body of the lifting type range hood is arranged in the upper box body and the lower box body, an air inlet channel for lifting the air inlet body is arranged in the upper box body and the lower box body, and in the lifting process of the air inlet body, the scraping piece on the air inlet body can scrape oil on the inner wall surface of the air inlet channel into the oil cup, so that the inner wall surface of the air inlet channel is cleaner, self-cleaning of the air inlet channel is realized, and the trouble of cleaning the extractor is avoided.

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 suction path of lampblack is long, the suction time is increased, the lampblack escaping phenomenon is easy to occur in the cooking process, if the installation height of the range hood is reduced, the smoke inlet is as close to a smoke source as possible, the negative pressure is expanded downwards, the lampblack sucking effect is improved, the cooking space is too small, the head of the cooking person can inadvertently touch the smoke collecting hood easily, and the whole appearance of the sight and the kitchen is also influenced after the installation height is reduced. Therefore, people invent a lifting type range hood, namely, the smoke inlet can lift, the smoke inlet descends when the machine is started, and the smoke inlet ascends when the machine is shut down. As disclosed in chinese patent publication No. 202010007102.1 (grant publication No. CN 111006284B), in the fan cover of the range hood, an oil guiding structure for guiding the oil discharged by the fan cover and the fan system into the first air intake box is provided, the oil guiding structure includes an oil storage guiding groove capable of storing the oil, an oil outlet is provided on the oil storage guiding groove, the oil guiding structure further includes an oil outlet opening and closing mechanism, when the first air intake box is in a descending state, the oil outlet opening and closing mechanism opens the oil outlet so that the oil storage guiding groove is communicated with the interior of the first air intake box, and when the first air intake box is in a state retracted in the fan cover, the oil outlet opening and closing mechanism closes the oil outlet. Although, this range hood is unified collects air inlet subassembly's oily device of collection with fluid, has solved the oil circuit problem under the single oily device of embedded lift range hood, but, first air inlet box is at the lift in-process, can't strike off the fluid on the second air inlet box inner wall, leads to the inner wall of second air inlet box to be stained with the greasy dirt easily, if the greasy dirt adhesion is too much, not only can influence the oil absorption effect, still can produce adverse effect to the lift of first air inlet box, and the inside cleanness of second air inlet box is comparatively inconvenient again, needs professional to tear open the machine clean. 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 the lifting type range hood which can smoothly scrape oil on the inner wall of the air inlet channel of the lower box body into the oil cup.

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 down on the box and can do elevating movement down the box relatively, the oil cup, its characterized in that are installed to the bottom of air inlet body: the lower box body is internally provided with an air inlet channel for lifting an air inlet body, the air inlet body is provided with a scraping piece, and oil on the inner wall surface of the air inlet channel can be scraped into the oil cup by the scraping piece in the lifting process of the air inlet body.

In order to strike off the greasy dirt on the front bezel wall under the lower box to the oil cup, the lower box has the front bezel down, the front bezel constitutes the front wall of air inlet passageway down, the air inlet body has the mounting panel of following air inlet body synchronous motion, the rear side of front bezel down is located to the mounting panel, strike off the piece including installing the preceding piece of striking off of lateral part before the mounting panel, preceding piece of striking off is used for scraping into the oil cup with the fluid on the front bezel wall down.

For effective scraping of oil on the wall of the lower front plate, the lower front plate has a vertical surface that cooperates with the front scraper.

In order to enable oil scraped off from the lower front plate to smoothly flow into the oil cup, a lower hem extends downwards and backwards from the lower edge of the lower front plate, and the projection of the edge of the lower hem in the vertical direction falls into the oil cup.

Preferably, the mounting plate is an oil filter plate arranged at the top of the air inlet body, and the oil filter plate is obliquely arranged downwards from front to back. Thus, the mounting plate plays a role in mounting the scraping piece on one hand and plays a role in filtering oil on the other hand.

The front scraping part can have various mounting structures, preferably, the air inlet body is provided with a smoke inlet, the bottom of the front side of the oil filtering plate is provided with an upper guide plate, the upper guide plate is vertically arranged above the smoke inlet, and the front scraping part is a front sealing strip arranged between the oil filtering plate and the upper guide plate.

In order to enable the scraped oil to flow down through the oil leakage gap on the front sealing strip, a front oil leakage gap is formed in the front side edge of the front sealing strip.

Further preferably, the bottom of the lower front plate has a lower flange bent downward and rearward, the top of the upper baffle has an upper flange bent upward and forward, the lower flange has an opposite surface to the upper flange, and in a state where the lower case descends to the lowest position, the lower flange abuts against or approaches the opposite surface of the upper flange to form a surface seal between the upper baffle and the lower front plate. Like this, the lower hem of lower front bezel cooperates the last hem of guide plate, and the air inlet body has further increased the air current from the front seal strip with the probability of the vertical plane small gap pressure release of front bezel down at the decline in-process, does benefit to the promotion oil smoke effect.

Further preferably, the upper box body is included, and the lower box body is arranged on the upper box body. Typically, the fan system may be mounted inside the upper housing.

In order to scrape the fluid on the lower box backplate to the oil cup, the lower box has the backplate, the air inlet body has the oil strain board of following air inlet body synchronous motion, the front side of backplate is located to the oil strain board, strike off the piece including installing the back and strike off the piece at oil strain board rear side portion, back strike off the piece and be used for scraping into the oil cup with the fluid on the backplate wall.

Further preferably, the back plate forms a back wall of the air inlet channel, and a projection of the lower edge of the back plate in the vertical direction falls into the oil cup. Thus, the oil on the inner wall surface of the backboard can smoothly flow into the oil cup.

In order to enable the scraped oil to flow down through the oil leakage gap on the rear sealing strip, the rear scraping piece is a rear sealing strip arranged on the rear side part of the oil filtering plate, and the rear side edge of the rear sealing strip is provided with a rear oil leakage gap.

Compared with the prior art, the utility model has the advantages that: the air inlet body of the lifting type range hood is arranged in the upper box body and the lower box body, an air inlet channel for lifting the air inlet body is arranged in the upper box body and the lower box body, and in the lifting process of the air inlet body, the scraping piece on the air inlet body can scrape oil on the inner wall surface of the air inlet channel into the oil cup, so that the inner wall surface of the air inlet channel is cleaner, self-cleaning of the air inlet channel is realized, and the trouble of cleaning the extractor is avoided.

Drawings

Fig. 1 is a schematic structural view of a range hood (lower case raised state) 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 (lower case lowering state) of a range hood according to an embodiment of the present utility model;

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

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 range hood of the present embodiment includes an upper case 1, a lower case 2, and an air intake body 3. The upper box 1 is internally provided with a fan system 8, the lower box 2 is arranged on the upper box 1 and can do lifting motion relative to the upper box 1, and the lower box 2 is wrapped outside the upper box 1. The direction indicated by arrow B in FIG. 3 is taken as the backward direction, the air inlet body 3 is arranged at the rear part of the lower box body 2 and can do lifting motion relative to the lower box body 2, namely, the upper box body 1, the lower box body 2 and the air inlet body 3 form a secondary lifting mechanism. The lower box body 2 and the air inlet body 3 can synchronously move under the drive of a set of driving mechanism, and can independently move under the drive of independent driving mechanisms.

The bottom of the air inlet body 3 is provided with an oil cup 4, an air inlet channel 21 for the air inlet body 3 to lift is arranged in the lower box body 2, the air inlet body 3 is provided with a scraping piece, and oil on the inner wall surface of the air inlet channel 21 can be scraped into the oil cup 4 by the scraping piece in the lifting process of the air inlet body 3.

Specifically, the lower casing 2 has a lower front plate 22 and a back plate 23, the lower front plate 22 constituting a front wall of the air intake passage 21, the back plate 23 constituting a rear wall of the air intake passage 21, and the lower front plate 22 and the back plate 23 each having a vertical surface that cooperates with the scraper. The lower edge of the lower front plate 22 extends downwards and backwards to form a lower hem 221, the projection of the rear edge of the lower hem 221 in the vertical direction falls into the oil cup 4, and the projection of the lower edge of the back plate 23 in the vertical direction falls into the oil cup 4, so that oil on the wall surfaces of the lower front plate 22 and the back plate 23 can flow into the oil cup 4.

The air inlet body 3 moves up and down in the air inlet channel 21 under the drive of the driving mechanism. The top of the air inlet body 3 is provided with an oil filter plate 31, and the oil filter plate 31 is obliquely arranged downwards from front to back, namely, the oil filter plate 31 is positioned at the rear side of the lower front plate 22 and is positioned at the front side of the back plate 23. In this embodiment, a front scraping member is mounted on the front side portion of the oil filter plate 31, and a rear scraping member is mounted on the rear side portion of the oil filter plate 31, specifically, the front scraping member is a front scraping strip 6, the rear scraping member is a rear scraping strip 7, and both the front scraping strip 6 and the rear scraping strip 7 are rubber sealing members. In the lifting process of the air inlet body 3, the front scraping strip 6 is used for scraping oil on the wall surface of the lower front plate 22, and the rear scraping strip 7 is used for scraping oil on the wall surface of the back plate 23. In addition, in order to smoothly flow down the oil during the scraping process, a front oil leakage gap 61 is formed at the front side edge of the front scraping strip 6, and a rear oil leakage gap 71 is formed at the rear side edge of the rear scraping strip 7, see fig. 5.

The air inlet body 3 is provided with a smoke inlet 30, the bottom of the front side of the oil filtering plate 31 is provided with an upper guide plate 5, the upper guide plate 5 is vertically arranged above the smoke inlet 30, the upper guide plate 5 can reduce the height of the smoke inlet 30, so that oil smoke is sucked when still having a certain distance with the lower box body 2, on one hand, the condensed oil on the surface of the lower box body 2 can be reduced, and on the other hand, the oil smoke leakage can be reduced.

In this embodiment, the front scraping strip 6 is clamped between the oil filter plate 31 and the upper deflector 5, the front scraping strip 6 extends forward from the front edge of the oil filter plate 31, the rear scraping strip 7 is erected on the rear side of the oil filter plate 31 and is fixedly connected by a connecting piece, and the rear scraping strip 7 extends backward from the rear edge of the oil filter plate 31. Certain gaps exist between the front scraping strip 6 and the lower front plate 22 and between the rear scraping strip 7 and the back plate 23. The air inlet body 3 forms a sealing structure with a certain degree between the front scraping strip 6 and the lower front plate 22 in the descending process, namely, the movement sealing is realized, and the line sealing is realized, so that the oil smoke is prevented from leaking outwards and the pressure relief is prevented. Similarly, a kinematic seal is also formed between the rear wiper strip 7 and the back plate 23.

In order to further enhance the pressure relief effect, the bottom of the lower front plate 22 has a lower flange 221 bent downward and rearward, and a seal structure, here a wire seal, is also formed between the lower flange 221 and the upper baffle 5. In addition, the top of the upper baffle 5 has an upper flange 51 bent forward and upward, the lower flange 221 and the upper flange 51 have opposite surfaces, in this embodiment, the opposite surfaces are parallel to each other, and in the state of the lowest descending position of the lower case 2, the lower flange 221 and the upper flange 51 are close to each other to form a surface seal between the upper baffle 5 and the lower front plate 22, so that the sealing effect is better, pressure relief can be better prevented, and the fume absorbing 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 lower box (2) and air inlet body (3), air inlet body (3) are located on lower box (2) and can do elevating movement relative to lower box (2), oil cup (4) are installed to the bottom of air inlet body (3), its characterized in that: the lower box body (2) is internally provided with an air inlet channel (21) for lifting the air inlet body (3), the air inlet body (3) is provided with a scraping piece, and oil on the inner wall surface of the air inlet channel (21) can be scraped into the oil cup (4) by the scraping piece in the lifting process of the air inlet body (3).

2. The lifting range hood of claim 1, wherein: the lower box body (2) is provided with a lower front plate (22), the lower front plate (22) forms the front wall of an air inlet channel (21), the air inlet body (3) is provided with a mounting plate which moves synchronously with the air inlet body (3), the mounting plate is arranged on the rear side of the lower front plate (22), the scraping part comprises a front scraping part arranged on the front side of the mounting plate, and the front scraping part is used for scraping oil on the wall surface of the lower front plate (22) into the oil cup (4).

3. The lifting range hood of claim 2, wherein: the lower front plate (22) has a vertical face that cooperates with the front scraper.

4. The lifting range hood of claim 2, wherein: the lower edge of the lower front plate (22) extends downwards and backwards to form a lower hem (221), and the projection of the edge of the lower hem (221) in the vertical direction falls into the oil cup (4).

5. The lifting range hood of claim 2, wherein: the mounting plate is an oil filter plate (31) arranged at the top of the air inlet body (3), and the oil filter plate (31) is obliquely arranged downwards from front to back.

6. The lifting range hood of claim 5, wherein: the air inlet body (3) is provided with a smoke inlet (30), the bottom of the front side of the oil filtering plate (31) is provided with an upper guide plate (5), the upper guide plate (5) is vertically arranged above the smoke inlet (30), and the front scraping piece is a front scraping strip (6) arranged between the oil filtering plate (31) and the upper guide plate (5).

7. The lifting range hood of claim 6, wherein: the front side edge of the front scraping strip (6) is provided with a front oil leakage gap (61).

8. The lifting range hood of claim 6, wherein: the bottom of the lower front plate (22) is provided with a lower folded edge (221) which is folded back and downwards, the top of the upper guide plate (5) is provided with an upper folded edge (51) which is folded forwards and upwards, the lower folded edge (221) and the upper folded edge (51) are provided with opposite surfaces, and the lower folded edge (221) is abutted against or close to the opposite surfaces of the upper folded edge (51) to form surface sealing between the upper guide plate (5) and the lower front plate (22) in the state that the lower box body (2) descends to the lowest position.

9. The lifting range hood of claim 1, wherein: comprises an upper box body (1), wherein the lower box body (2) is arranged on the upper box body (1).

10. The lifting range hood according to any one of claims 1 to 9, wherein: the lower box body (2) is provided with a back plate (23), the air inlet body (3) is provided with an oil filtering plate (31) which moves synchronously with the air inlet body (3), the oil filtering plate (31) is arranged on the front side of the back plate (23), the scraping part comprises a rear scraping part arranged on the rear side part of the oil filtering plate (31), and the rear scraping part is used for scraping oil on the wall surface of the back plate (23) into the oil cup (4).

11. The lifting range hood of claim 10, wherein: the back plate (23) forms the back wall of the air inlet channel (21), and the projection of the lower edge of the back plate (23) in the vertical direction falls into the oil cup (4).

12. The lifting range hood of claim 11, wherein: the rear scraping piece is a rear scraping strip (7) arranged on the rear side part of the oil filtering plate (31), and a rear oil leakage gap (71) is formed in the rear side edge of the rear scraping strip (7).