CN218864289U - Smoke collecting cover of range hood and range hood - Google Patents
Smoke collecting cover of range hood and range hood Download PDFInfo
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- CN218864289U CN218864289U CN202222907592.8U CN202222907592U CN218864289U CN 218864289 U CN218864289 U CN 218864289U CN 202222907592 U CN202222907592 U CN 202222907592U CN 218864289 U CN218864289 U CN 218864289U
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Abstract
A smoke collecting hood of a range hood comprises: the fixing part comprises a transverse part and a vertical part, the interiors of the transverse part and the vertical part are mutually communicated, and the transverse part is arranged at the top of the vertical part so as to be basically in an inverted L shape in side view; the method is characterized in that: the cigarette holder is characterized by also comprising a transverse movable part which is restricted on the transverse part in a manner of moving back and forth and is provided with a first cigarette inlet, and the first cigarette inlet is communicated with the inner cavity of the fixed part through the inner cavity of the transverse movable part; the vertical movable part is constrained to the vertical part in a vertically movable mode and is provided with a second smoke inlet, and the second smoke inlet is communicated with the inner cavity of the fixed part through the inner cavity of the vertical movable part. The utility model discloses still relate to an use range hood that has aforementioned range hood's collection petticoat pipe.
Description
Technical Field
The utility model relates to an air purification equipment is used in the kitchen, concretely relates to is a range hood's collection petticoat pipe, still relates to a range hood who installs this range hood's collection petticoat pipe.
Background
The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood works by utilizing the fluid dynamics principle, sucks and exhausts oil smoke through a centrifugal fan arranged in the range hood, and filters partial grease particles by using a filter screen. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, accelerated by the fan and then collected and guided by the volute to be discharged out of a room.
Currently, the range hoods commonly available on the market include a top suction type and a side suction type.
The top-suction type range hood adopts an oil smoke rising principle, generates a negative pressure area right above a cooking bench, sucks and exhausts oil smoke which is generated naturally during cooking, has the advantages of fashionable and concise appearance, larger air volume, suitability for larger space, capability of capturing the oil smoke far away from the cooking bench, and the defect that the installation height is far away from the cooking bench, and the oil smoke above a pot is easy to cause the oil smoke to escape to the periphery due to the disturbance generated by ambient air under the cooking state with small oil smoke volume, thus leading to poor oil smoke suction effect. The structure of the top-suction type range hood is disclosed in the "range hood assembly" of the chinese utility model patent having the patent number ZL202122112030.X (publication number CN 216307905U) and the "range hood assembly" of the chinese utility model patent having the patent number ZL202121004507.6 (publication number CN 214791361U).
The side-suction type range hood has the advantages that the side-suction type range hood is thin in body and not easy to touch the head when in operation, and has a good range hood effect because the installation height is low and the negative pressure area is close to a smoke source in a cooking state with small oil smoke amount. The structure of the side-suction range hood is disclosed in the "side-suction automatic cleaning range hood" of the chinese utility model patent having patent No. ZL201310170569.8 (publication No. CN 104141975B), the "side-suction range hood housing" and the "side-suction range hood" and the "chinese utility model patent having patent No. ZL202220431987.2 (publication No. CN 216769546U).
In order to improve the effect of sucking oil fume, the existing range hood combines two modes of top suction and side suction. For example, a chinese utility model patent with patent No. ZL201320250895.5 (publication No. CN 203240630U) discloses a range hood combining a top suction type range hood with a side suction type range hood, which includes an inverted L-shaped case, a smoke collecting hood is arranged above the case, a vertically arranged fan is arranged in the smoke collecting hood, an air inlet of the fan is communicated with the case, an air outlet of the fan is arranged above the smoke collecting hood and communicated with the outside, a vertical air duct and a horizontal air duct are formed inside the case, and a first smoke inlet is arranged at the bottom end of the vertical air duct, which is equivalent to the side suction type range hood; the bottom surface of the transverse air duct is provided with a second smoke inlet which is equivalent to top suction; an oil cup is arranged at the bottom of the case.
Although the range hood combines the advantages of top suction and side suction, the smoke collection part has the problems of larger volume and overlarge space above the kitchen range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that the collection petticoat pipe to foretell technical current situation provides a range hood, except all having fine oil absorption cigarette effect to the oil smoke of co-altitude, can also effectively reduce the volume of collection petticoat pipe under non-operating condition, form the negative pressure chamber that is bigger relatively under operating condition and hold together the cigarette region.
The utility model aims to solve the second technical problem that a range hood that has above-mentioned range hood's collection petticoat pipe is provided to foretell technical situation to the application.
The utility model provides a technical scheme that above-mentioned first technical problem adopted is: a smoke collecting hood of a range hood comprises:
the fixing part comprises a transverse part and a vertical part, the interiors of the transverse part and the vertical part are mutually communicated, and the transverse part is arranged at the top of the vertical part so as to be basically in an inverted L shape in side view;
the method is characterized in that: also comprises
The transverse movable part is constrained on the transverse part in a manner of moving back and forth and is provided with a first smoke inlet which is communicated with the inner cavity of the fixed part through the inner cavity of the transverse movable part;
the vertical movable part is constrained to the vertical part in a vertically movable mode and is provided with a second smoke inlet, and the second smoke inlet is communicated with the inner cavity of the fixed part through the inner cavity of the vertical movable part.
This collection petticoat pipe is through setting up the horizontal movable part that can the back-and-forth movement and the vertical movable part that can vertical removal, when the collection petticoat pipe is at non-operating condition, horizontal movable part and vertical movable part all contract, thereby make collection petticoat pipe volume littleer, and when the collection petticoat pipe is at operating condition, horizontal movable part and/or vertical movable part are overhanging, this first inlet smoke mouth catches the oil smoke far away from the top of a kitchen range, the second inlet smoke mouth is used for catching the oil smoke nearer from the top of a kitchen range, make this collection petticoat pipe have the advantage of top suction and side suction concurrently, all there is fine oil absorption cigarette effect to the oil smoke of co-altitude, and the inside negative pressure chamber of collection petticoat pipe is bigger, the smoke collecting area of collection petticoat pipe front side is bigger, and then make this collection petticoat pipe air inlet volume bigger, and the smoke collecting effect is better, thereby can reduce the escape of oil smoke, make the collection petticoat pipe oil absorption effect better.
In order to prevent the fume collecting hood from generating fume backflow in a non-working state, the first fume inlet can be opened or closed by the back and forth movement of the transverse movable part, and the second fume inlet can be opened or closed by the vertical movement of the vertical movable part.
In order to enable the first smoke inlet to be closer to the cooker, the first smoke inlet is arranged on the bottom wall of the transverse movable part.
In order to enable the second smoke inlet to be closer to the cooker, the second smoke inlet is formed in the front side wall of the vertical movable portion.
In order to enable the surface of the smoke collecting hood to be smoother and more attractive in a non-working state, a first opening is formed in the front side of the transverse part, and the transverse movable part is restrained in the transverse part through the first opening; the lower side of the vertical part is provided with a second opening, and the vertical movable part is constrained in the vertical part through the second opening.
In order to drive the transverse movable part and the vertical movable part to move conveniently, a first driving mechanism for driving the transverse movable part to move back and forth and a second driving mechanism for driving the vertical movable part to move vertically are arranged in an inner cavity of the fixed part.
In order to simplify the first driving mechanism and the second driving mechanism, the first driving mechanism is a first electric push rod extending forwards and backwards, and the output end of the first electric push rod is connected with the inner surface of the transverse movable part; the second driving mechanism is a second electric push rod which extends vertically, and the output end of the second electric push rod is connected with the inner surface of the vertical movable part.
In order to facilitate sensing of the oil smoke amount on the front side of the smoke collecting cover, an oil smoke sensor adjacent to the transverse portion is arranged on the front side wall of the vertical portion, so that the movement of the transverse movable portion and the vertical movable portion can be controlled conveniently according to the sensed oil smoke amount, the oil smoke amount detected by the oil smoke sensor can be displayed through a display, and the driving mechanism of the execution component, such as the transverse movable portion and the vertical movable portion, can also be controlled to move through a control system.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a range hood, its characterized in that: the smoke collecting hood of the range hood is applied.
Compared with the prior art, the utility model has the advantages of: this collection petticoat pipe is through setting up the horizontal movable part that can the back-and-forth movement and the vertical movable part that can vertical removal, when the collection petticoat pipe is at non-operating condition, horizontal movable part and vertical movable part all contract, thereby make collection petticoat pipe volume littleer, and when the collection petticoat pipe is at operating condition, horizontal movable part and/or vertical movable part are overhanging, this first inlet smoke mouth catches the oil smoke far away from the top of a kitchen range, the second inlet smoke mouth is used for catching the oil smoke nearer from the top of a kitchen range, make this collection petticoat pipe have the advantage of top suction and side suction concurrently, all there is fine oil absorption cigarette effect to the oil smoke of co-altitude, and the inside negative pressure chamber of collection petticoat pipe is bigger, the smoke collecting area of collection petticoat pipe front side is bigger, and then make this collection petticoat pipe air inlet volume bigger, and the smoke collecting effect is better, thereby can reduce the escape of oil smoke, make the collection petticoat pipe oil absorption effect better.
Drawings
Fig. 1 is a three-dimensional structure diagram of the embodiment of the present invention (in a state that the first smoke inlet and the second smoke inlet are both closed);
fig. 2 is a three-dimensional structure diagram of the embodiment of the present invention (in a state that the first smoke inlet is closed and the second smoke inlet is opened);
fig. 3 is a three-dimensional structure diagram of the embodiment of the present invention (in a state that the first smoke inlet and the second smoke inlet are both opened);
fig. 4 is a sectional view of the embodiment of the present invention (in a state where the first smoke inlet and the second smoke inlet are both opened).
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the preferred embodiment of the present invention is shown.
As shown in fig. 1 to 4, the range hood in this embodiment includes a fan frame 7 and a smoke collection cover 100 disposed below the fan frame 7, and an inner cavity of the smoke collection cover 100 is communicated with an inner cavity of the fan frame 7.
As shown in fig. 1 and 3, the hood 100 includes a fixed portion 1, a lateral movable portion 2, and a vertical movable portion 3. The fixing portion 1 is substantially inverted L-shaped in side view, and includes a horizontal portion 11 and a vertical portion 12 whose insides are communicated with each other, and the horizontal portion 11 is provided at the top of the vertical portion 12. The front side of the transverse portion 11 is provided with a first opening and the lower side of the vertical portion 12 is provided with a second opening.
As shown in fig. 2 to 4, the laterally movable portion 2 is constrained inside the lateral portion 11 so as to be movable forward and backward through the first opening. A first smoke inlet 21 is arranged on the bottom wall of the transverse movable part 2, so that the first smoke inlet 21 is closer to the cooker; and the first smoke inlet 21 is communicated with the inner cavity of the fixed part 1 through the inner cavity of the transverse movable part 2, so that the first smoke inlet 21 captures the oil smoke far away from the cooking bench. The first smoke inlet 21 can be opened or closed by the back and forth movement of the transverse movable part 2, so that when the smoke collecting hood 100 is in a non-working state, the transverse movable part 2 retracts and closes the first smoke inlet 21, the smoke collecting hood 100 has a smaller volume and can prevent the oil smoke in the public flue from flowing backwards to a kitchen through the inner cavity of the fan frame 7, the inner cavity of the fixed part 1, the inner cavity of the transverse movable part 2 and the first smoke inlet 21 in sequence; when collection petticoat pipe 100 is at operating condition, this horizontal movable part 2 is overhanging and open first inlet 21, can follow horizontal extension collection petticoat pipe 100, makes collection petticoat pipe 100's volume bigger to it is bigger to make the inside negative pressure chamber of collection petticoat pipe 100, and horizontal movable part 2 makes collection petticoat pipe front side form bigger and gather together the cigarette region, thereby promotes collection petticoat pipe 100 and gather together cigarette effect.
As shown in fig. 2 to 4, the vertically movable portion 3 is vertically movably restrained inside the vertical portion 12 through the second opening. A second smoke inlet 31 is arranged on the front side wall of the vertical movable part 3, so that the second smoke inlet 31 is closer to the cooker; this second advances the mouth 31 and is linked together through the inner chamber of vertical movable part 3 and the inner chamber of fixed part 1, makes second advance the mouth 31 and is used for catching the nearer oil smoke of distance top of a kitchen range to make this collection petticoat pipe 100 have the advantage of top suction and side suction concurrently, all have fine oil absorption cigarette effect to the oil smoke of co-altitude. The vertical movement of the vertical movable part 3 can open or close the second smoke inlet 31, so that when the smoke collecting hood 100 is in a non-working state, the vertical movable part 3 is retracted and the second smoke inlet 31 is closed, the smoke collecting hood 100 has a smaller volume and can prevent the oil smoke in the public flue from flowing backwards to a kitchen through the inner cavity of the fan frame 7, the inner cavity of the fixed part 1, the inner cavity of the vertical movable part 3 and the second smoke inlet 31 in sequence; when collection petticoat pipe 100 is at operating condition, this vertical movable part 3 is overhanging and open the second and advance mouth of cigarette 31, can follow vertical extension collection petticoat pipe 100, make collection petticoat pipe 100's volume bigger to it is bigger to make the inside negative pressure chamber of collection petticoat pipe 100, and vertical movable part 3 can further enlarge collection petticoat pipe 100 front side and hold together the regional scope of cigarette, thereby further promote collection petticoat pipe 100 and hold together the cigarette effect, thereby can reduce the escape of oil smoke, make collection petticoat pipe oil absorption cigarette's effect better.
As shown in fig. 4, a first driving mechanism for driving the transverse movable portion 2 to move back and forth and a second driving mechanism for driving the vertical movable portion 3 to move vertically are disposed in the inner cavity of the fixed portion 1. The first driving mechanism is a first electric push rod 4 extending back and forth, and the output end of the first electric push rod 4 is connected with the inner surface of the transverse movable part 2. The second driving mechanism is a second electric push rod 5 which extends vertically, and the output end of the second electric push rod 5 is connected with the inner surface of the vertical movable part 3.
As shown in fig. 1 to 4, a smoke sensor 6 is provided on a front side wall of the vertical portion 12 adjacent to the horizontal portion 11. The range hood is provided with a control system (not shown in the figure), and the control system (not shown in the figure) is in electric signal connection with the first electric push rod 4, the second electric push rod 5 and the oil smoke sensor 6. The oil smoke sensor 6 can detect the oil smoke amount on the front side of the smoke collecting hood 100 and transmit the signal of the oil smoke amount to the control system (not shown in the figure), so that the control system (not shown in the figure) controls the operation of the first electric push rod 4 and the second electric push rod 5 according to the oil smoke amount, and the transverse movable part 2 and the vertical movable part 3 are controlled to move. When the oil smoke sensor 6 detects that the amount of oil smoke is low, the control system (not shown in the figure) controls the second electric push rod 5 to act, so that the second electric push rod 5 drives the vertical movable part 3 to move downwards and opens the second smoke inlet 31, and oil smoke near the kitchen range is captured; when the oil smoke sensor 6 detects that the amount of oil smoke is high, the control system (not shown in the figure) controls the first electric push rod 4 and the second electric push rod 5 to move, so that the first electric push rod 4 drives the transverse movable part 3 to move forwards and open the first smoke inlet 21, the second electric push rod 5 drives the vertical movable part 3 to move downwards and open the second smoke inlet 31, and therefore the oil smoke near the kitchen range and the oil smoke rising above the face of a person are captured.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be oriented in different directions, the directional terms are used for descriptive purposes and are not intended to be limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.
Claims (9)
1. A smoke collecting hood of a range hood comprises:
a fixed part (1) comprising a transverse part (11) and a vertical part (12) which are mutually communicated, wherein the transverse part (11) is arranged at the top of the vertical part (12) so as to be basically in an inverted L shape in side view;
the method is characterized in that: also comprises
The transverse movable part (2) is constrained to the transverse part (11) in a manner of moving back and forth and is provided with a first smoke inlet (21), and the first smoke inlet (21) is communicated with the inner cavity of the fixed part (1) through the inner cavity of the transverse movable part (2);
the vertical movable part (3) is constrained to the vertical part (12) in a vertically movable mode and is provided with a second smoke inlet (31), and the second smoke inlet (31) is communicated with the inner cavity of the fixed part (1) through the inner cavity of the vertical movable part (3).
2. A smoke collecting hood according to claim 1, wherein: the first smoke inlet (21) can be opened or closed by the back and forth movement of the transverse movable part (2), and the second smoke inlet (31) can be opened or closed by the vertical movement of the vertical movable part (3).
3. A smoke collecting hood according to claim 2, wherein: the first smoke inlet (21) is arranged on the bottom wall of the transverse movable part (2).
4. A smoke collecting hood according to claim 2, wherein: the second smoke inlet (31) is arranged on the front side wall of the vertical movable part (3).
5. A smoke collecting hood according to claim 1, wherein: the front side of the transverse part (11) is provided with a first opening, and the transverse movable part (2) is constrained in the transverse part (11) through the first opening; the lower side of the vertical part (12) is provided with a second opening, and the vertical movable part (3) is constrained in the vertical part (12) through the second opening.
6. A smoke collecting hood according to claim 1, wherein: a first driving mechanism for driving the transverse movable part (2) to move back and forth and a second driving mechanism for driving the vertical movable part (3) to move vertically are arranged in an inner cavity of the fixed part (1).
7. A smoke collecting hood according to claim 6 wherein: the first driving mechanism is a first electric push rod (4) extending forwards and backwards, and the output end of the first electric push rod (4) is connected with the inner surface of the transverse movable part (2); the second driving mechanism is a second electric push rod (5) which extends vertically, and the output end of the second electric push rod (5) is connected with the inner surface of the vertical movable part (3).
8. A fume collecting hood according to any one of claims 1-7, characterized in that: and the front side wall of the vertical part (12) is provided with an oil smoke sensor (6) adjacent to the transverse part (11).
9. A range hood, its characterized in that: a smoke collecting hood (100) applying the range hood as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907592.8U CN218864289U (en) | 2022-10-28 | 2022-10-28 | Smoke collecting cover of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907592.8U CN218864289U (en) | 2022-10-28 | 2022-10-28 | Smoke collecting cover of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218864289U true CN218864289U (en) | 2023-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907592.8U Active CN218864289U (en) | 2022-10-28 | 2022-10-28 | Smoke collecting cover of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218864289U (en) |
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2022
- 2022-10-28 CN CN202222907592.8U patent/CN218864289U/en active Active
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