CN218480665U - Near-suction type range hood - Google Patents
Near-suction type range hood Download PDFInfo
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- CN218480665U CN218480665U CN202222641773.0U CN202222641773U CN218480665U CN 218480665 U CN218480665 U CN 218480665U CN 202222641773 U CN202222641773 U CN 202222641773U CN 218480665 U CN218480665 U CN 218480665U
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- air inlet
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Abstract
The utility model relates to a near-suction type range hood, which comprises a casing, a smoke baffle, a driving mechanism and a transmission mechanism, wherein the transmission mechanism comprises a first connecting rod which is vertically arranged, the upper end of the first connecting rod is rotationally connected with the casing and is connected with the power output end of the driving mechanism in a driving way, and the first connecting rod swings along the front-back direction under the driving of the driving mechanism; the second connecting rod is arranged along the front-back direction, the front end of the second connecting rod is rotatably connected with the corresponding position of the smoke baffle plate, and the rear end of the second connecting rod is rotatably connected with the lower end of the first connecting rod; the third connecting rod is arranged along the front-back direction and is positioned above the second connecting rod, the front end of the third connecting rod is rotationally connected with the corresponding position of the smoke baffle plate, and the position adjacent to the rear end of the third connecting rod is rotationally connected with the first connecting rod; and the rocker is vertically arranged, the upper end of the rocker is rotationally connected with the machine shell, and the lower end of the rocker is rotationally connected with the third connecting rod. After the air inlet is opened, the top edge of the smoke baffle plate is not higher than the top surface of the machine shell, so that the gap between the top of the machine shell and the cabinet can be reduced, and the cleaning in the gap is avoided.
Description
Technical Field
The utility model belongs to the range hood field, concretely relates to nearly inhale formula range hood.
Background
The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood of the near-suction type absorbs most of the oil smoke close to the cooking bench in an arc form by utilizing the vortex wind pressure principle, and can reduce the adverse effect on the human health.
Present nearly formula range hood is like chinese utility model patent "a nearly formula range hood that inhales", and its patent number is ZL201721290314.5 (the grant bulletin number is CN 207539970U), discloses a nearly formula range hood that inhales, including casing and fan system, the casing is including the panel that is the slope with the horizontal direction that is located the front end, set up the opening on the panel and become range hood's air intake, the front side of panel is provided with the fender smoke screen, the upper portion of keeping off smoke screen and panel is rotated and is connected, thereby it can outwards rotate and open range hood's air intake or inwards rotate and close range hood's air intake to keep off the smoke screen. After the air intake was opened to the cigarette board, the top of keeping off the cigarette board was followed and is higher than the top of box, and the cupboard is installed usually at the top of box, and this moment, the top of keeping off the cigarette board is followed and is easily produced to interfere or produce to interfere with the door of cupboard with the bottom of cupboard, for this reason through leaving certain clearance between the bottom of the top of box and cupboard, the existence in clearance, the deposition appears easily and difficult clear problem to bring inconvenience and clean puzzlement for the user.
Therefore, further improvements to existing near-suction range hoods are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, provide one kind and open the nearly formula range hood at its top not higher than the box top after the air intake at the fender cigarette board.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a near-suction range hood comprises:
the upper area of the front side of the shell is provided with an air inlet;
the smoke baffle is arranged at the position of the shell corresponding to the air inlet;
a drive mechanism located behind the smoke barrier;
the transmission mechanism is positioned behind the smoke baffle, the power input end of the transmission mechanism is in driving connection with the driving mechanism, the power output end of the transmission mechanism is in driving connection with the smoke baffle and is used for driving the smoke baffle to rotate forwards relative to the shell to open the air inlet or rotate backwards to close the air inlet, and the top edge of the smoke baffle is positioned below the top surface of the shell or is flush with the top surface of the shell when the air inlet is in a closed state;
it is characterized in that the transmission mechanism comprises:
the first connecting rod is vertically arranged, the upper end of the first connecting rod is rotationally connected with the machine shell, the first connecting rod is in driving connection with the power output end of the driving mechanism, and the first connecting rod swings along the front-back direction under the driving of the driving mechanism;
the second connecting rod is arranged along the front-back direction, the front end of the second connecting rod is rotatably connected with the corresponding position of the smoke baffle plate, and the rear end of the second connecting rod is rotatably connected with the lower end of the first connecting rod;
the third connecting rod is arranged along the front-back direction and is positioned above the second connecting rod, the front end of the third connecting rod is rotationally connected with the corresponding position of the smoke baffle plate, and the position of the third connecting rod, which is adjacent to the rear end, is rotationally connected with the first connecting rod; and
and the rocker is vertically arranged, the upper end of the rocker is rotationally connected with the shell, and the lower end of the rocker is rotationally connected with the third connecting rod.
The first position at the back of the smoke baffle is rotationally connected with the first connecting rod through the third connecting rod, the second position at the back of the smoke baffle is rotationally connected with the lower end of the first connecting rod through the second connecting rod, the upper end of the first connecting rod is rotationally connected with the casing, thus, when an air inlet needs to be opened, the first connecting rod swings forwards under the driving of the driving mechanism to drive the second connecting rod and the third connecting rod to rotate forwards and swing downwards under the action of the rocker, namely, the second connecting rod and the third connecting rod drive the smoke baffle to move downwards while rotating forwards, at the moment, the smoke baffle can move downwards to the state that the top edge of the smoke baffle is not higher than the top surface of the casing, thus, the gap between the top of the casing and the cabinet can be reduced, even no gap needs to be left between the top of the casing and a wall cabinet, and the cleaning in the gap is avoided. Because the third connecting rod is positioned above the second connecting rod, the joint of the third connecting rod and the smoke baffle plate is positioned above the joint of the second connecting rod and the smoke baffle plate, namely the first position is positioned above the second position. In addition, the transmission mechanism realizes the opening and closing of the smoke baffle, and the rotating axes of all the connecting rods in the transmission mechanism extend along the left and right directions.
The rocker may be located in front of the first link, but preferably it is located behind the first link.
The rotational connection of the drive mechanism to the first link may be located above the third link or between the second link and the third link, but preferably the connection of the drive mechanism to the first link is located between the second link and the third link.
In order to filter the oil fume, a cavity is arranged in the machine shell, an inner panel which is arranged side by side with the surface where the air inlet is arranged in the cavity, a filter screen is arranged at the position, corresponding to the air inlet, of the inner panel, and a through groove for allowing the transmission mechanism to penetrate out at least partially is formed in the inner panel. The existence of the through groove avoids the interference caused by opening and closing the smoke baffle.
The surface of the air inlet can be vertically arranged or obliquely arranged, but in order to absorb most of the oil smoke close to the cooking bench in an arc form, the surface of the air inlet is gradually inclined backwards from top to bottom.
Preferably, when the air inlet is in a closed state, the first connecting rod and the rocker are in a state of gradually inclining backward from top to bottom, the second connecting rod and the third connecting rod are in a state of gradually inclining downward from front to back, and when the air inlet is in an open state, the first connecting rod is in a state of gradually inclining forward from top to bottom.
The driving mechanism has various structural forms, and can adopt a form of a motor or a form of an electric push rod, but preferably, the driving mechanism is an electric push rod mechanism, the electric push rod mechanism comprises a push rod shell and a push rod which makes linear reciprocating motion relative to the push rod shell, the free end of the push rod is rotatably connected with the first connecting rod, and one end of the push rod shell, far away from the push rod, is rotatably connected on the machine shell.
In order to conveniently drive the first connecting rod to swing back and forth, the push rod is in a state of gradually inclining downwards from front to back.
In order to keep the left side and the right side of the smoke baffle synchronous in the rotating process, the transmission mechanisms are divided into two groups and are respectively arranged on the left side and the right side of the smoke baffle, the upper ends of the first connecting rods of the two groups of transmission mechanisms are arranged on the installation shaft, and the installation shaft extends along the left-right direction.
In order to facilitate the installation of the installation shaft and the transmission mechanism, the machine shell is provided with two installation plates which are vertically arranged and are arranged along the front-rear direction, the installation plates are arranged along the left-right direction at intervals, the installation shaft penetrates through the two installation plates, and the upper end of the rocker is rotatably connected to the installation plates on the corresponding sides.
Compared with the prior art, the utility model has the advantages of: the upper portion of the smoke baffle of the near-suction range hood is rotatably connected with the first connecting rod which is vertically arranged through the third connecting rod, the upper end of the first connecting rod is rotatably connected with the machine shell, the lower end of the first connecting rod is rotatably connected with the back of the smoke baffle through the second connecting rod, the first connecting rod swings back and forth under the driving of the driving mechanism, so that when an air inlet needs to be opened, the first connecting rod swings forwards under the driving of the driving mechanism, the second connecting rod and the third connecting rod are driven to rotate forwards and swing downwards under the action of the rocker, namely the second connecting rod and the third connecting rod drive the smoke baffle to move downwards while rotating forwards, the smoke baffle can move downwards to a state that the top edge of the smoke baffle is not higher than the top surface of the machine shell, so that the gap between the top of the machine shell and a cabinet can be reduced, even no gap needs to be left between the top of the machine shell and a wall cabinet, and the cleaning in the gap is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the range hood of the present embodiment with an air inlet in an open state;
FIG. 2 is a longitudinal cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the driving mechanism and the transmission mechanism of FIG. 1;
fig. 4 is a sectional view of the range hood of the present embodiment with the air inlet closed;
fig. 5 is an enlarged schematic view of the portion I in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the near-suction type range hood of the present embodiment includes a housing 1, a smoke barrier 2, a driving mechanism, a mounting shaft 7 and a transmission mechanism 4. Wherein, the interior of the machine shell 1 is provided with a chamber 10, the upper area of the front side of the machine shell 1 is provided with an air inlet 101 communicated with the chamber 10, and the surface of the air inlet 101 is gradually inclined backwards from top to bottom. In addition, an inner panel 11 arranged side by side with the surface of the air inlet 101 is arranged in the chamber 10, the inner panel 11 is provided with a filter screen 5 at a position corresponding to the air inlet 101, and the inner panel 11 is provided with a through groove 111 through which the transmission mechanism 4 at least partially penetrates. In addition, the chamber 10 of the casing 1 is provided with two mounting plates 12 which are vertically arranged and arranged along the front-rear direction, and the mounting plates 12 are arranged at intervals along the left-right direction. The mounting shaft 7 is arranged on the two mounting plates 12 in a penetrating way.
As shown in fig. 1, fig. 2 and fig. 4, the smoke barrier 2 is disposed at a position of the casing 1 corresponding to the air inlet 101, and can rotate forward relative to the casing 1 to open the air inlet 101 or rotate backward to close the air inlet 101 under the driving of the driving mechanism and the transmission mechanism 4. When the air inlet 101 is in the closed state, the top edge of the smoke barrier 2 is located below the top surface of the casing 1 or flush with the top surface of the casing 1, and in this embodiment, when the air inlet 101 is in the closed state, the top edge of the smoke barrier 2 is flush with the top surface of the casing 1.
The transmission mechanisms 4 are located behind the smoke barrier 2, as shown in fig. 3, the transmission mechanisms 4 of the present embodiment are arranged in two groups and spaced apart from each other in the left-right direction, and the mounting plate 12 is located between the two groups of transmission mechanisms 4. The power input end of one group of transmission mechanisms 4 is connected with the driving mechanism, and the power output end of the transmission mechanism 4 is connected with the smoke baffle 2 in a driving way. The two sets of transmission mechanisms 4 have the same structure, and the following description will take one set of transmission mechanism 4 as an example. In addition, the back of the smoke barrier 2 is provided with two brackets 21 at the position corresponding to the transmission mechanism 4, and the brackets 21 of the embodiment are spaced along the left-right direction. The two brackets 21 have the same structure, and one of the brackets 21 will be described below as an example. The bracket 21 has an upper leg 211 and a lower leg 212 arranged at intervals from top to bottom and each extending rearward.
As shown in fig. 2, 3 and 5, the transmission mechanism 4 includes a first link 41, a second link 42, a third link 43 and a rocker 44. Wherein, first connecting rod 41 is vertically arranged, and the upper end of this first connecting rod 41 rotates and connects on installation axle 7, so realize that first connecting rod 41 upper end and the mounting panel 12 of the corresponding side of casing 1 rotate and be connected. The first link 41 is connected to the power output end of the driving mechanism at a position near the middle, and is driven by the driving mechanism to swing in the front-rear direction. The driving mechanism is located behind the smoke barrier 2, and the driving mechanism is an electric push rod mechanism 3, and the electric push rod mechanism 3 comprises a push rod shell 31 and a push rod 32 which makes a linear reciprocating motion relative to the push rod shell 31. Wherein, the push rod 32 is in a state of gradually inclining downwards from front to back, and the free end of the push rod 32 is rotatably connected with the first connecting rod 41, and the rotary connection position is positioned between the second connecting rod 42 and the third connecting rod 43; and the end of the push rod shell 31 far away from the push rod 32 is rotatably connected to the machine shell 1.
As shown in fig. 2, the second link 42 is arranged along the front-rear direction, the front end of the second link 42 is rotatably connected to the lower leg 212 of the smoke barrier 2, and the rear end of the second link 42 is rotatably connected to the lower end of the first link 41; the third link 43 is arranged in the front-rear direction and located above the second link 42, the front end of the third link 43 is rotatably connected to the upper leg 211 of the smoke barrier 2, and the position of the third link 43 adjacent to the rear end is rotatably connected to the first link 41. And the rocking bar 44 is located in front of the first link 41 and is vertically arranged. The upper end of the rocker 44 is pivotally connected to the mounting plate 12 on the corresponding side of the housing 1, and the lower end of the rocker 44 is pivotally connected to the third link 43 at a position adjacent to the middle. The rotational axes of the first link 41, the second link 42, the third link 43, and the rocker 44 extend in the left-right direction. In addition, in the present embodiment, when the air inlet 101 is in the closed state, the first connecting rod 41 and the rocker 44 are in the state of gradually inclining backward from top to bottom, and the second connecting rod 42 and the third connecting rod 43 are in the state of gradually inclining downward from front to back; in the open state of the intake vent 101, the first link 41 is inclined gradually forward from top to bottom. When the air inlet 101 is in an open state, the rocker 44 is gradually inclined forwards from top to bottom, and the second connecting rod 42 and the third connecting rod 43 are both arranged transversely and are in a substantially horizontal state, that is, when the air inlet 101 is in the open state, the second connecting rod 42 and the third connecting rod 43 can pull the smoke baffle to move downwards to be not higher than the top surface of the machine shell 1.
The working process of the smoke baffle plate is as follows:
when the air inlet 101 needs to be opened, the electric push rod mechanism works, the push rod 32 pushes the first connecting rod 41 to swing forwards, and at the moment, the second connecting rod 42 and the third connecting rod 43 both move forwards under the driving of the first connecting rod 41, so that the smoke baffle 2 is driven to rotate forwards; and because the rocker 43 realizes the rotation of the third connecting rod 43 and the casing, under the action of the rocker 43, the rotating connection part of the third connecting rod 43 and the first supporting leg 211 moves downwards, and the second connecting rod 42 also moves downwards, namely the third connecting rod and the second connecting rod 42 drive the smoke baffle to move downwards, namely in the opening process of the air inlet, the smoke baffle 2 can move downwards to be not higher than the top surface of the casing 1. Otherwise, the smoke baffle 2 is closed.
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 arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.
Claims (10)
1. A near-suction range hood comprises:
a housing (1) having an air inlet (101) in an upper region of a front side thereof;
the smoke baffle plate (2) is arranged at the position, corresponding to the air inlet (101), of the machine shell (1);
a drive mechanism located behind the smoke barrier (2);
the transmission mechanism (4) is positioned behind the smoke baffle plate (2), the power input end of the transmission mechanism is in driving connection with the driving mechanism, the power output end of the transmission mechanism is in driving connection with the smoke baffle plate (2) and is used for driving the smoke baffle plate (2) to rotate forwards relative to the machine shell (1) to open the air inlet (101) or rotate backwards to close the air inlet (101), and when the air inlet (101) is in a closed state, the top edge of the smoke baffle plate (2) is positioned below the top surface of the machine shell (1) or is flush with the top surface of the machine shell (1);
it is characterized in that the transmission mechanism (4) comprises:
the first connecting rod (41) is vertically arranged, the upper end of the first connecting rod is rotationally connected with the machine shell (1), the first connecting rod is in driving connection with the power output end of the driving mechanism, and the first connecting rod swings along the front-back direction under the driving of the driving mechanism;
the second connecting rod (42) is arranged along the front-back direction, the front end of the second connecting rod is rotationally connected with the corresponding position of the smoke baffle plate (2), and the rear end of the second connecting rod is rotationally connected with the lower end of the first connecting rod (41);
a third link (43) arranged in the front-rear direction and located above the second link (42), the front end of the third link being rotatably connected to the corresponding position of the smoke barrier (2), and the position adjacent to the rear end of the third link being rotatably connected to the first link (41); and
and the rocker (44) is vertically arranged, the upper end of the rocker is rotationally connected with the machine shell (1), and the lower end of the rocker is rotationally connected with the third connecting rod (43).
2. The near suction range hood according to claim 1, wherein: the rocker (44) is located in front of the first link (41).
3. The near suction range hood according to claim 1, wherein: the connection of the drive mechanism and the first link (41) is between the second link (42) and a third link (43).
4. The near suction range hood according to claim 1, wherein: casing (1) inside has cavity (10), be provided with in cavity (10) with interior panel (11) that the face at air intake (101) place arranged side by side, interior panel (11) are corresponding filter screen (5) are installed to the position of air intake (101), interior panel (11) have been seted up and have been supplied through groove (111) that drive mechanism (4) are worn out partially at least.
5. The near suction range hood according to claim 1, wherein: the surface where the air inlet (101) is located is gradually inclined backwards from top to bottom.
6. The near suction range hood according to claim 5, wherein: when the air inlet (101) is in a closed state, the first connecting rod (41) and the rocker (44) are in a state of gradually inclining backwards from top to bottom, the second connecting rod (42) and the third connecting rod (43) are in a state of gradually inclining downwards from front to back, and when the air inlet (101) is in an open state, the first connecting rod (41) is in a state of gradually inclining forwards from top to bottom.
7. The near suction range hood according to claim 5, wherein: actuating mechanism is electric putter mechanism (3), electric putter mechanism (3) are including push rod shell (31) and relative push rod shell (31) and do linear reciprocating motion's push rod (32), the free end of push rod (32) with first connecting rod (41) rotate to be connected, push rod shell (31) are kept away from the one end of push rod (32) is rotated and is connected on casing (1).
8. The near suction range hood according to claim 7, wherein: the push rod (32) is in a state of gradually inclining downwards from front to back.
9. The near suction range hood according to any one of claims 1 to 8, wherein: drive mechanism (4) have two sets ofly, and set up respectively the left and right sides of keeping off cigarette board (2), the upper end of the first connecting rod (41) of two sets of drive mechanism (4) is all installed on installation axle (7), installation axle (7) extend along left right direction.
10. The near suction range hood according to claim 9, wherein: casing (1) is provided with vertical arrangement and mounting panel (12) arranged along the fore-and-aft direction, mounting panel (12) have two, and along left right direction interval arrangement, install axle (7) and wear to establish on two mounting panels (12), the upper end rotation of rocker (44) is connected on the mounting panel (12) of corresponding side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641773.0U CN218480665U (en) | 2022-09-29 | 2022-09-29 | Near-suction type range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641773.0U CN218480665U (en) | 2022-09-29 | 2022-09-29 | Near-suction type range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480665U true CN218480665U (en) | 2023-02-14 |
Family
ID=85168893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222641773.0U Active CN218480665U (en) | 2022-09-29 | 2022-09-29 | Near-suction type range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480665U (en) |
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2022
- 2022-09-29 CN CN202222641773.0U patent/CN218480665U/en active Active
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