CN220958612U - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN220958612U CN220958612U CN202322823839.2U CN202322823839U CN220958612U CN 220958612 U CN220958612 U CN 220958612U CN 202322823839 U CN202322823839 U CN 202322823839U CN 220958612 U CN220958612 U CN 220958612U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- lifting body
- fan frame
- rail pair
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003517 fume Substances 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000003028 elevating effect Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 77
- 239000003921 oil Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2078—Removing cooking fumes movable
- F24C15/2085—Removing cooking fumes movable adjustable in height
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The utility model provides a range hood, includes the casing and locates the inside fan frame of casing, and actuating mechanism drive lifter makes elevating movement relative to the fan frame, and actuating mechanism locates the rear portion of fan frame, and actuating mechanism's drive output is connected on the back wall of lifter, installs the guide rail pair of vertical arrangement between fan frame and the lifter, and first guide rail pair installs between the front wall of fan frame and the front wall of lifter, and second guide rail pair installs between the left side wall of fan frame and the left side wall of lifter, third guide rail pair still is between the right side wall of fan frame and the right side wall of lifter. The utility model has the advantages that: the driving mechanism of the range hood is arranged at the rear part of the fan frame, the driving output end of the driving mechanism is connected to the rear wall of the lifting body, and the lifting body moves up and down more stably under the guidance of the guide rail pairs on three different sides, so that the shaking phenomenon can not occur.
Description
Technical Field
The utility model relates to a kitchen household appliance, in particular to a range hood.
Background
Chinese cooking can generate a large amount of oil smoke, so that the kitchen environment is clean and the health of a human body is kept, the range hood becomes one of the indispensable equipment of a modern family kitchen, however, along with the higher and higher application rate of the range hood, people pay more attention to the oil smoke absorbing effect of the range hood. If the interval of the air inlet of the range hood and the oil smoke generation area is larger, the suction path of the oil smoke is longer, the suction time is increased, so that the oil smoke escape phenomenon is easy to generate in the cooking process, if the installation height of the range hood is reduced, although the range hood is favorable for improving the oil smoke suction effect, the cooking space is too small, the head of a cooking person carelessly and easily touches the fume collecting hood, and the whole appearance of the sight line and a kitchen is also influenced after the installation height is reduced. And after the kitchen ventilator is installed, the bottom of the kitchen ventilator is not flush with the bottom of the cabinet, so that the kitchen ventilator is flush with the cabinet, and the kitchen ventilator needs to be hidden in the cabinet. Although the prior art also discloses a range hood structure embedded in a cabinet, the smoking effect is not high, the requirements of customers are hardly met in a heavy oil smoke environment, the smoke leakage is serious, the lower side of the range hood is provided with an oil net, an air inlet channel is exposed, and the aesthetic degree is poor.
At present, the range hood in the market adopts a single motion mode that a smoke baffle overturns or a smoke collecting cavity moves up and down, the overturns of the smoke baffle and the lifting of the smoke collecting cavity are respectively driven by independent driving mechanisms, so that on one hand, the cost is higher, on the other hand, the increase of the number of lifting mechanisms inevitably occupies too much internal space of the range hood, the problem of motion interference with other parts in the range hood is easy, and the reasonable spatial arrangement of the other parts in the range hood is not facilitated. In addition, in the lifting process of the smoke collecting cavity, sliding fit is realized through the guide rail and the fan frame, the guide rail is usually arranged on the left side and the right side of the fan frame at present, the stability of the lifting process of the smoke collecting cavity is relatively poor, and the shaking phenomenon is easy to occur.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the range hood which is not easy to shake in the lifting process of the lifting body.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a range hood, includes casing and locates the inside fan frame of casing, its characterized in that: the lifting mechanism can drive the lifting body to do lifting motion relative to the fan frame, the driving mechanism is arranged at the rear part of the fan frame, the driving output end of the driving mechanism is connected to the rear wall of the lifting body, a vertically arranged guide rail pair is arranged between the fan frame and the lifting body, the guide rail pair comprises a first guide rail pair, a second guide rail pair and a third guide rail pair, the first guide rail pair is arranged between the front wall of the fan frame and the front wall of the lifting body, the second guide rail pair is arranged between the left side wall of the fan frame and the left side wall of the lifting body, and the third guide rail pair is also arranged between the right side wall of the fan frame and the right side wall of the lifting body.
In order to enable the lifting body to move more stably, the driving output end of the driving mechanism is connected to the left and right centering positions of the rear wall of the lifting wall, the first guide rail pair is arranged at the left and right centering positions of the front wall of the fan frame and the front wall of the lifting body, the second guide rail pair is arranged at the rear edges of the left side wall of the fan frame and the left side wall of the lifting body, and the third guide rail pair is arranged at the rear edges of the right side wall of the fan frame and the right side wall of the lifting body.
The lifting body can have various structures, preferably, the lifting body comprises a connecting frame and a smoke inlet cavity arranged at the bottom of the upper connecting frame, the driving output end of the driving mechanism is connected to the connecting frame, and a smoke inlet is arranged on the smoke inlet cavity. Thus, when the driving mechanism drives the lifting body to descend, the smoke inlet descends, the negative pressure area moves downwards, and the oil smoke absorbing effect is further improved.
As a preferable mode, the connection frame is arranged on the inner side of the fan frame.
Further preferably, the guide rail pair comprises a fixed guide rail and a movable guide rail, wherein the fixed guide rail is arranged on the outer wall of the lifting body, and the movable guide rail is arranged on the inner wall of the fan frame.
As another preferable mode, the connection frame is arranged on the outer side of the fan frame. So set up, the lifting body wraps the fan frame, can make the air inlet passageway bigger, and the oil smoke absorbing effect is better.
Further preferably, the guide rail pair comprises a fixed guide rail and a movable guide rail, wherein the fixed guide rail is arranged on the inner wall of the lifting body, and the movable guide rail is arranged on the outer wall of the fan frame.
The driving mechanism can have various structures, preferably, the driving mechanism comprises a motor, a screw rod and a screw rod nut assembly, the screw rod is vertically arranged, the upper end of the screw rod is installed on an output shaft of the motor, the screw rod nut assembly is installed on the screw rod, and the connecting frame is fixed on the screw rod nut assembly. So set up, when the motor rotates, can drive the lifting body and make elevating movement.
In order to enable the smoke baffle to be in linkage fit with the lifting body, the smoke baffle which is in linkage with the lifting body is installed at the bottom of the machine shell, the smoke inlet extends to the lower side of the machine shell in the state that the lifting body descends to the lowest position, the smoke baffle is turned over to open the smoke inlet, the lifting body is hidden in the machine shell in the state that the lifting body ascends to the highest position, and the smoke baffle is turned over to close the smoke inlet. So set up, after adopting the linkage structure of cigarette baffle and lifting body, the cigarette area can be extended after the cigarette baffle opens along with the lifting body descends, promotes the oil smoke absorption effect, and the oil baffle closes the mouth of intaking along with the lifting body rises, and under the shutdown state, the cigarette baffle can realize that the level is full to inlay in the cupboard bottom, and the structure is more succinct, the pleasing to the eye degree is better.
The smoke baffle plate and the lifting body can be provided with various rotary connection structures, preferably, the back of the smoke baffle plate is provided with a smoke baffle plate bracket, the bottom of the smoke inlet cavity is provided with a hinge shaft, one end of the hinge is connected to the smoke baffle plate bracket, and the other end of the hinge is connected to the hinge shaft.
Preferably, in any of the above aspects, a fan system is mounted inside the fan frame.
Compared with the prior art, the utility model has the advantages that: the driving mechanism of the range hood is arranged at the rear part of the fan frame, the driving output end of the driving mechanism is connected to the rear wall of the lifting body, a guide rail pair which is vertically arranged is arranged between the fan frame and the lifting body, a first guide rail pair is arranged between the front wall of the fan frame and the front wall of the lifting body, a second guide rail pair is arranged between the left side wall of the fan frame and the left side wall of the lifting body, and a third guide rail pair is also arranged between the right side wall of the fan frame and the right side wall of the lifting body, so that the lifting body moves up and down more stably under the guidance of the guide rail pairs on three different sides, and the shaking phenomenon can not occur.
Drawings
Fig. 1 is a schematic structural view (lifting state) of a range hood according to a first embodiment of the present utility model;
fig. 2 is a schematic structural view (a lifting body descending state) of a range hood according to a first embodiment of the present utility model;
fig. 3 is a schematic view of another angle structure of the range hood shown in fig. 2;
Fig. 4 is a schematic view of an installation structure of a guide rail pair according to a first embodiment of the present utility model.
FIG. 5 is a schematic view of a driving mechanism according to a first embodiment of the present utility model;
FIG. 6 is a schematic view of the structure of FIG. 5 at another angle;
FIG. 7 is a schematic diagram of a second embodiment of the present utility model;
Fig. 8 is a schematic diagram of an installation structure of a guide rail pair according to a second embodiment of the present utility model;
Fig. 9 is a schematic diagram of an installation structure of a driving mechanism according to a second embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Embodiment one:
as shown in figures 1 to 6 of the drawings,
As shown in fig. 1 to 4, the range hood of the present embodiment includes components such as a casing 1, a fan frame 2, a lifting body 3, a driving mechanism 4, a smoke baffle 5, an oil cup 6, a rail pair, a hinge 8, a smoke baffle bracket 9, a hinge shaft 10, and the like.
The casing 1 includes an upper casing 11 and a lower casing 12, the fan frame 2 is disposed inside the upper casing 11 and has a gap with the upper casing 11, and a fan system (not shown) is installed inside the fan frame 2. The lifting body 3 is provided with a smoke inlet 30, the bottom of the rear side of the lifting body 3 is provided with an oil cup 6, and the bottom surface of the oil cup 6 is a horizontal plane. The driving mechanism 4 can drive the lifting body 3 to do lifting motion relative to the fan frame 2, and a smoke baffle 5 which can be linked with the lifting body 3 is arranged at the bottom of the outer box body. As shown in fig. 2 to 4, in a state where the elevation body 3 is lowered to the lowest position, the smoke inlet 30 is protruded below the cabinet 1 and the smoke blocking plate 5 is turned over to open the smoke inlet 30. As shown in fig. 1, in a state in which the lifting body 3 is lifted to the highest position, the lifting body 3 is hidden inside the casing 1 and the oil cup 6 is exposed to the bottom of the casing 1, the smoke baffle 5 is turned to the horizontal position, the smoke baffle 5 is positioned at the front side of the oil cup 6 and the bottom surface of the smoke baffle 5 is flush with the bottom surface of the oil cup 6, at this time, the rear edge of the smoke baffle 5 is adjacent to the oil cup 6 or in contact with the oil cup 6, and the smoke baffle 5 closes the smoke inlet 30.
The driving mechanism 4 of the embodiment comprises a motor 41, a screw rod 42 and a screw rod nut component 43, the motor 41 is installed at the top of the fan frame 2, the screw rod 42 is vertically arranged at the back of the fan frame 2 and is arranged in the middle left and right, the upper end of the screw rod 42 is installed on an output shaft of the motor 41, the screw rod nut component 43 is installed on the screw rod 42, and the connecting frame 31 is fixed on the screw rod nut component 43. When the driving mechanism 4 works, the motor 41 drives the screw rod 42 to rotate, and the screw rod nut component 43 moves up and down along the screw rod 42, so as to drive the lifting body 3 to move up and down.
As shown in fig. 5, the lifting body 3 of the present embodiment includes a connecting frame 31 and a smoke inlet cavity 32 disposed at the bottom of the connecting frame 31, and the smoke inlet 30 is disposed at the bottom of the smoke inlet cavity 32. The connection frame 31 is provided in a gap between the fan frame 2 and the upper case 11, that is, the connection frame 31 is provided inside the casing 1 and surrounds the outer periphery of the fan frame 2. The connecting frame 31 is in sliding fit with the fan frame 2 through a vertically arranged guide rail pair. In the state that the lifting body 3 is lifted to the highest position, the smoke inlet cavity 32 is hidden in the lower shell 12, the bottom surface of the smoke baffle 5 can be flat with a cabinet, the whole range hood is hidden in the cabinet, and the range hood is more concise and attractive. In the state that the lifting body 3 descends to the lowest position, the smoke inlet cavity 32 extends downwards to the lower side of the lower shell 12, the smoke inlet 30 descends, the negative pressure area descends, the maximum opening angle of the smoke baffle 5 is not limited, and is usually about 120 degrees, the smoke gathering area is expanded, and therefore the smoke absorbing effect is effectively guaranteed.
In this embodiment, the guide rail pair includes a fixed guide rail mounted on the outer wall of the blower housing 2 and a movable guide rail mounted on the inner wall of the connection frame 31. The guide rail pair of the present embodiment includes a first guide rail pair 71, a second guide rail pair 72, a third guide rail pair 73 and a fourth guide rail pair 74, wherein the first guide rail pair 71 is disposed at the rear edge of the left side wall of the fan frame 2, the second guide rail pair 72 is disposed at the rear edge of the right side wall of the fan frame 2, the third guide rail pair 73 is disposed at the left edge of the rear wall of the fan frame 2, and the fourth guide rail pair 74 is disposed at the right edge of the rear wall of the fan frame 2, with the direction indicated by the arrow a in fig. 4 being the right direction. By adopting the first guide rail pair 71, the second guide rail pair 72, the third guide rail pair 73 and the fourth guide rail pair 74, the shaking of the lifting body 3 during the lifting process can be effectively avoided.
The back of the smoke baffle 5 of this embodiment is provided with a smoke baffle support 9, the bottom of the smoke inlet cavity 32 is provided with a hinge shaft 10, one end of the hinge 8 is connected to the smoke baffle support 9, and the other end of the hinge 8 is connected to the hinge shaft 10, namely, the smoke baffle 5 is connected with the smoke inlet cavity 32 of the lifting body 3 through the hinge 8. In order to make the overturning of the smoke baffle 5 more stable, the hinge 8 of the embodiment has two hinges and is respectively arranged at the left side and the right side of the back surface of the smoke baffle 5.
Claims (10)
1. The utility model provides a range hood, includes casing (1) and locates inside fan frame (2) of casing (1), its characterized in that: still including lifting body (3) and actuating mechanism (4), actuating mechanism (4) can drive lifting body (3) and do elevating movement for fan frame (2), the rear portion of fan frame (2) is located to actuating mechanism (4), and the drive output of actuating mechanism (4) is connected on the back wall of lifting body (3), install the guide rail pair of vertical arrangement between fan frame (2) and lifting body (3), guide rail pair is vice (52) and third guide rail pair (53) including first guide rail pair (51), second guide rail pair (51) are installed between the front wall of fan frame (2) and the front wall of lifting body (3), second guide rail pair (52) are installed between the left side wall of fan frame (2) and the left side wall of lifting body (3), third guide rail pair (53) are still between the right side wall of fan frame (2) and the right side wall of lifting body (3).
2. The range hood of claim 1, wherein: the driving output end of the driving mechanism (4) is connected to the left and right centering positions of the rear wall of the lifting wall, the first guide rail pair (51) is arranged at the left and right centering positions of the front wall of the fan frame (2) and the front wall of the lifting body (3), the second guide rail pair (52) is arranged at the rear edge of the left side wall of the fan frame (2) and the left side wall of the lifting body (3), and the third guide rail pair (53) is arranged at the rear edge of the right side wall of the fan frame (2) and the right side wall of the lifting body (3).
3. The range hood of claim 1, wherein: the lifting body (3) comprises a connecting frame (31) and a smoke inlet cavity (32) arranged at the bottom of the upper connecting frame (31), the driving output end of the driving mechanism (4) is connected to the connecting frame (31), and the smoke inlet cavity (32) is provided with a smoke inlet (30).
4. A range hood according to claim 3, wherein: the connecting frame (31) is arranged on the inner side of the fan frame (2).
5. The range hood of claim 4, wherein: the guide rail pair comprises a fixed guide rail and a movable guide rail, wherein the fixed guide rail is arranged on the outer wall of the lifting body (3), and the movable guide rail is arranged on the inner wall of the fan frame (2).
6. A range hood according to claim 3, wherein: the connecting frame (31) is arranged on the outer side of the fan frame (2).
7. The range hood of claim 6, wherein: the guide rail pair comprises a fixed guide rail and a movable guide rail, the fixed guide rail is arranged on the inner wall of the lifting body (3), and the movable guide rail is arranged on the outer wall of the fan frame (2).
8. A range hood according to claim 3, wherein: the driving mechanism (4) comprises a motor (41), a screw rod (42) and a screw rod nut assembly (43), the screw rod (42) is vertically arranged, the upper end of the screw rod (42) is installed on an output shaft of the motor (41), the screw rod nut assembly (43) is installed on the screw rod (42), and the connecting frame (31) is fixed on the screw rod nut assembly (43).
9. A range hood according to any one of claims 3 to 8, wherein: the smoke baffle (6) linked with the lifting body (3) is installed at the bottom of the machine shell (1), the smoke inlet (30) stretches out to the lower side of the machine shell (1) and the smoke baffle (6) is turned over to open the smoke inlet (30) in the state that the lifting body (3) is lifted to the highest position, the lifting body (3) is hidden in the machine shell (1), and the smoke baffle (6) is turned over to close the smoke inlet (30).
10. The range hood of claim 9, wherein: the back of the smoke baffle plate (6) is provided with a smoke baffle plate bracket (7), the bottom of the smoke inlet cavity (32) is provided with a hinge shaft (8), one end of a hinge (9) is connected to the smoke baffle plate bracket (7), and the other end of the hinge (9) is connected to the hinge shaft (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211713400 | 2022-12-29 | ||
| CN2022117134008 | 2022-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220958612U true CN220958612U (en) | 2024-05-14 |
Family
ID=89392335
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311348873.7A Pending CN117366643A (en) | 2022-12-29 | 2023-10-16 | Embedded range hood |
| CN202311342584.6A Pending CN117366641A (en) | 2022-12-29 | 2023-10-16 | Fume exhaust fan |
| CN202311339203.9A Pending CN117366640A (en) | 2022-12-29 | 2023-10-16 | Lifting type range hood |
| CN202322823839.2U Active CN220958612U (en) | 2022-12-29 | 2023-10-19 | Fume exhauster |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311348873.7A Pending CN117366643A (en) | 2022-12-29 | 2023-10-16 | Embedded range hood |
| CN202311342584.6A Pending CN117366641A (en) | 2022-12-29 | 2023-10-16 | Fume exhaust fan |
| CN202311339203.9A Pending CN117366640A (en) | 2022-12-29 | 2023-10-16 | Lifting type range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN117366643A (en) |
-
2023
- 2023-10-16 CN CN202311348873.7A patent/CN117366643A/en active Pending
- 2023-10-16 CN CN202311342584.6A patent/CN117366641A/en active Pending
- 2023-10-16 CN CN202311339203.9A patent/CN117366640A/en active Pending
- 2023-10-19 CN CN202322823839.2U patent/CN220958612U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN117366643A (en) | 2024-01-09 |
| CN117366640A (en) | 2024-01-09 |
| CN117366641A (en) | 2024-01-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |