CN218864276U - Side-draft range hood - Google Patents
Side-draft range hood Download PDFInfo
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- CN218864276U CN218864276U CN202222837318.8U CN202222837318U CN218864276U CN 218864276 U CN218864276 U CN 218864276U CN 202222837318 U CN202222837318 U CN 202222837318U CN 218864276 U CN218864276 U CN 218864276U
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- connecting rod
- air inlet
- range hood
- smoke baffle
- rotatably connected
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Abstract
The utility model relates to a side-suction type range hood, which comprises a shell, a smoke baffle, a driving mechanism and a transmission mechanism, wherein the transmission mechanism comprises a first connecting rod, and the first end of the transmission mechanism is rotatably connected with the back of the smoke baffle; the second connecting rod is positioned below the first connecting rod, the first end of the second connecting rod is rotatably connected with the back of the smoke baffle plate, the position close to the center of the second connecting rod is rotatably connected with the shell, and the position close to the second end of the second connecting rod is provided with a guide groove extending along the length direction of the second connecting rod; a third connecting rod, the first end of which is rotatably connected with the second end of the first connecting rod, and the second end of which is provided with a sliding part and can be inserted in the guide groove in a sliding way; one of the first connecting rod and the second connecting rod is in driving connection with the driving mechanism at the rotating connection position with the machine shell, so that the first end of the corresponding connecting rod can swing along the up-and-down direction under the driving of the driving mechanism. After the air inlet is opened, the gap between the top of the machine shell and the cupboard can be reduced, even no gap needs to be reserved between the top of the machine shell and the wall cabinet, and therefore the gap is prevented from being cleaned.
Description
Technical Field
The utility model belongs to the range hood field, concretely relates to formula range hood is inhaled to side.
Background
The range hood has become one of the indispensable kitchen household electrical appliances in modern families. Generally, the range hood comprises a top suction type range hood and a near (side) suction type range hood, and most of the oil smoke close to a cooking bench is absorbed in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced.
Present nearly inhale formula range hood as china utility model patent "a nearly inhale formula range hood", its patent number is ZL201721290314.5 (grant notice No. CN 207539970U), discloses a nearly inhale formula range hood, 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 and keeps off the smoke screen, keep off the smoke screen and rotate with the upper portion of panel and be connected, thereby keep off the smoke screen and can outwards rotate and open range hood's air intake or inwards rotate and close range hood's air intake. 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 the 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 a side suction type range hood at its top not higher than the box top after the air intake is opened to the cigarette board.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a side-draft 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 arranged along the front-back direction, the first end of the first connecting rod is rotatably connected with the back of the smoke baffle plate, and the position of the first connecting rod, which is close to the middle, is rotatably connected with the machine shell;
the first connecting rod is positioned below the first connecting rod, the first end of the first connecting rod is rotatably connected with the back of the smoke baffle plate, the position of the second connecting rod, which is close to the center, is rotatably connected with the machine shell, and the position of the second connecting rod, which is close to the second end, is provided with a guide groove extending along the length direction of the second connecting rod; and
a third connecting rod, the first end of which is rotatably connected with the second end of the first connecting rod, and the second end of which is provided with a sliding part and can be inserted in the guide groove in a sliding way;
one of the first connecting rod and the second connecting rod is in driving connection with the driving mechanism at the rotating connection position with the machine shell, so that the first end of the corresponding connecting rod can swing along the up-and-down direction under the driving of the driving mechanism.
The first position of the back of the smoke baffle of the near-suction range hood is rotatably connected with the shell through a first connecting rod, the second position of the back of the smoke baffle is rotatably connected with the shell through a second connecting rod, the second connecting rod and the first connecting rod rotate through a third connecting rod, and the first position and the second position are above, so that when the air inlet needs to be opened, the driving mechanism drives the first connecting rod or the second connecting rod to rotate; when the air inlet needs to be closed, the driving mechanism drives the first connecting rod or the second connecting rod to rotate reversely, at the moment, the first connecting rod and the second connecting rod move upwards together with the first end of the smoke baffle in a rotating connection mode, at the moment, the smoke baffle rotates upwards and backwards under the action of the first connecting rod and the second connecting rod, and therefore the air inlet is closed.
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.
Preferably, the rotary connection part of the first connecting rod and the machine shell is arranged on the power output end of the driving mechanism.
The sliding portion may be located adjacent to the center of the guide groove in the open state of the air inlet, or may be located at the corresponding end of the guide groove, but preferably, the sliding portion is located at one end of the guide groove adjacent to the smoke barrier in the open state of the air inlet, and the sliding portion is located at one end of the guide groove away from the smoke barrier in the closed state of the air inlet.
The second connecting rod may be arranged along the face of the air inlet in the closed state of the air inlet, or may be arranged at an angle to the face of the air inlet, but preferably, the second connecting rod is arranged along the face of the air inlet in the closed state of the air inlet.
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.
In order to keep the stability of keeping off the cigarette board when keeping off the cigarette board and opening the air intake is in under the open mode, first connecting rod with the casing rotates the rotation center of connecting and is A, the first end of first connecting rod rotates the rotation center of being connected with the cigarette board and is B, the rotation center that the second connecting rod rotates the connection with the cigarette board is C, and rotation center A, B, C are on same straight line.
In order to realize the linkage of the first connecting rod and the second connecting rod, the third connecting rod is in a state of gradually inclining backwards from top to bottom, and the sliding part is positioned at the lower end of the third connecting rod.
In order to filter the oil fume, a cavity communicated with the air inlet is formed in the machine shell, an inner panel arranged side by side with the surface where the air inlet is formed 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.
In order to keep the left side and the right side of the smoke baffle synchronous in the rotating process, the two groups of transmission mechanisms are respectively arranged on the left side and the right side of the smoke baffle, the driving mechanism is a double-output-shaft motor, the output shafts of the double-output-shaft motor extend along the left-right direction, and a first connecting rod in each group of transmission mechanisms is arranged on the output shaft on the corresponding side.
In order to facilitate the installation of the transmission mechanism, the machine shell is provided with two mounting plates which are vertically arranged and are arranged along the front-back direction, the two mounting plates are arranged at intervals along the left-right direction, and the output shaft is arranged on the two mounting plates in a penetrating mode.
Preferably, the mounting plate is located between the two sets of transmission mechanisms. Alternatively, the drive mechanism may be located between the two mounting plates.
Compared with the prior art, the utility model has the advantages of: the first position of the back of the smoke baffle of the near-suction range hood is rotatably connected with the shell through the first connecting rod, the second position of the back of the smoke baffle is rotatably connected with the shell through the second connecting rod, the second connecting rod and the first connecting rod rotate through the third connecting rod, and the first position and the second position are arranged above each other.
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 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 cross-sectional view of the range hood of the present embodiment with the air inlet closed.
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 near-suction type range hood of the present embodiment includes a housing 1, a smoke barrier 2, a driving mechanism and a transmission mechanism 4. The housing 1 has a chamber 10 therein, an upper region of a front side of the housing 1 has an air inlet 101 communicated with the chamber 10, and a surface of the air inlet 101 is inclined gradually backward 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 for the partial penetration of the transmission mechanism 4.
As shown in 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 is 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. In order to keep the left and right sides of the smoke barrier synchronized during the rotation, the transmission mechanisms 4 of the present embodiment are located behind the smoke barrier 2, and as shown in fig. 3, the transmission mechanisms 4 are arranged in two groups and spaced in the left-right direction. 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 two mounting plates 12 are arranged at intervals along the left-right direction and are both positioned between the two sets of transmission mechanisms 4. The power input end of one group of transmission mechanism 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 description below will be given by taking one set of transmission mechanism 4 as an example. In addition, a bracket 21 is provided on the back of the smoke barrier 2 at a position corresponding to the transmission mechanism 4.
As shown in fig. 2 to 4, the driving mechanism is located behind the smoke barrier 2, and the driving mechanism is a dual output shaft motor 3, and the output shaft 31 of the dual output shaft motor 3 extends in the left-right direction and is mounted on the left and right mounting plates 12. The transmission mechanism 4 of the present embodiment includes a first link 41, a second link 42, and a third link 43. Wherein, the first link 41 is arranged along the fore-and-aft direction, the first end (front end) of the first link 41 is rotatably connected with the upper part of the bracket 21 of the smoke baffle 2, the position near the middle of the first link 41 is installed on the output shaft 31 at the corresponding side, and is rotatably connected with the mounting plate 12 of the casing through the output shaft 31, the first link 41 can rotate relative to the mounting plate 12 under the drive of the double output shaft motor 3, and the front end of the first link 41 can swing up and down.
As shown in fig. 2 and 4, the second link 42 is located below the first link 41, and a first end of the second link 42 is rotatably connected to a lower portion of the bracket 21 of the smoke barrier 2, a position of the second link 42 adjacent to the center is rotatably connected to the cabinet 1 through the connecting shaft 13 extending left and right, and a position of the second link 42 adjacent to a second end is provided with a guide groove 421 extending along a length direction of the second link 42. When the air inlet 101 is in the closed state, the second link 42 is arranged along the surface where the air inlet 101 is located, that is, the second link 42 is gradually inclined backward from top to bottom. The third link 43 is inclined gradually backward from the top to the bottom, and the lower end of the third link 43 has a sliding portion 431. The upper end of the third link 43 is rotatably connected to the second end (rear end) of the first link 41, and the sliding portion 431 of the third link 43 is slidably inserted into the guide groove 421. In the open state of the inlet port 101, the sliding portion 431 is located at one end of the guide groove 421 adjacent to the smoke barrier 2, that is, the sliding portion 431 is located at the front end of the guide groove 421, and in the closed state of the inlet port 101, the sliding portion 431 is located at one end of the guide groove 421 remote from the smoke barrier 2, that is, the sliding portion 431 is located at the rear end of the guide groove 421.
In order to keep the stability of the smoke barrier when the smoke barrier opens the air inlet, as shown in fig. 2, when the air inlet 101 is in an open state, the rotation center of the first link 41 rotatably connected to the housing 1 is a, the rotation center of the first end of the first link 41 rotatably connected to the smoke barrier 2 is B, the rotation center of the second link 42 rotatably connected to the smoke barrier 2 is C, and the rotation centers a, B, and C are on the same straight line, so that the rotation center D rotatably connected to the second link 42 and the housing 1 forms a triangular structure, which increases the stability of the smoke barrier. The aforementioned rotation center D is located on the axis of the connecting shaft 13.
In this embodiment, the rotation axis of each link in the transmission mechanism extends in the left-right direction.
The first position of the back of the smoke baffle of the near-suction range hood is rotatably connected with the shell through a first connecting rod, the second position of the back of the smoke baffle is rotatably connected with the shell through a second connecting rod, the second connecting rod and the first connecting rod rotate through a third connecting rod, and the first position and the second position are above, so that when the air inlet needs to be opened, the driving mechanism drives the first connecting rod or the second connecting rod to rotate; when the air inlet needs to be closed, the driving mechanism drives the first connecting rod or the second connecting rod to rotate reversely, at the moment, the first connecting rod and the second connecting rod move upwards together with the first end of the smoke baffle in a rotating connection mode, at the moment, the smoke baffle rotates upwards and backwards under the action of the first connecting rod and the second connecting rod, and therefore the air inlet is closed.
Claims (11)
1. A side-draft 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 on 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 arranged along the front-back direction, the first end of the first connecting rod is rotatably connected with the back of the smoke baffle plate (2), and the position close to the middle of the first connecting rod is rotatably connected with the machine shell (1);
a second connecting rod (42) which is positioned below the first connecting rod (41), wherein the first end of the second connecting rod is rotatably connected with the back of the smoke baffle plate (2), the position of the second connecting rod, which is close to the center, is rotatably connected with the machine shell (1), and the position of the second connecting rod, which is close to the second end, is provided with a guide groove (421) which extends along the length direction of the second connecting rod (42); and
a third link (43) having a first end rotatably connected to a second end of the first link (41), a second end having a sliding portion (431) and slidably inserted in the guide groove (421);
one of the first connecting rod (41) and the second connecting rod (42) is in driving connection with the driving mechanism at the rotating connection position with the machine shell (1) so as to enable the first end of the corresponding connecting rod to swing along the up-down direction under the driving of the driving mechanism.
2. The side draft range hood according to claim 1, wherein: the rotary connection part of the first connecting rod and the shell is arranged on the power output end of the driving mechanism.
3. The side draft range hood according to claim 2, wherein: when the air inlet (101) is in an open state, the sliding part (431) is positioned at one end, adjacent to the smoke baffle plate (2), of the guide groove (421), and when the air inlet (101) is in a closed state, the sliding part (431) is positioned at one end, away from the smoke baffle plate (2), of the guide groove (421).
4. The side draft range hood according to claim 2, wherein: when the air inlet (101) is in a closed state, the second connecting rod (42) is arranged along the surface of the air inlet (101).
5. The side draft range hood according to claim 4, wherein: the surface where the air inlet (101) is located is gradually inclined backwards from top to bottom.
6. The side draft range hood according to claim 5, wherein: air intake (101) are in under the open mode, first connecting rod (41) with casing (1) rotates the rotation center of connecting and is A, the rotation center that the first end of first connecting rod (41) and fender cigarette board (2) rotate to be connected is B, second connecting rod (42) and fender cigarette board (2) rotate the rotation center of being connected and be C, and rotation center A, B, C are on same straight line.
7. The side draft range hood according to claim 6, wherein: the third connecting rod (43) is in a state of gradually inclining backwards from top to bottom, and the sliding part (431) is positioned at the lower end of the third connecting rod (43).
8. The side draft range hood according to claim 1, wherein: casing (1) inside have with cavity (10) that air intake (101) are linked together, 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 in corresponding filter screen (5) are installed to the position of air intake (101), interior panel (11) have been seted up the confession drive mechanism (4) are at least partly worn out through groove (111).
9. The side draft range hood according to any one of claims 2 to 7, wherein: drive mechanism (4) have two sets ofly, and set up respectively the left and right sides of keeping off cigarette board (2), actuating mechanism is dual output shaft motor (3), the output shaft of dual output shaft motor (3) extends along left right direction, and first connecting rod (41) in every drive mechanism (4) of group are installed on the output shaft of corresponding side.
10. The side draft range hood according to claim 9, wherein: casing (1) is provided with vertical arrangement and mounting panel (12) of arranging along the fore-and-aft direction, mounting panel (12) have two, and along left right direction interval arrangement, the output shaft wears to establish on two mounting panels (12).
11. The side draft range hood according to claim 10, wherein: the mounting plate (12) is positioned between the two groups of transmission mechanisms (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837318.8U CN218864276U (en) | 2022-10-25 | 2022-10-25 | Side-draft range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837318.8U CN218864276U (en) | 2022-10-25 | 2022-10-25 | Side-draft range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218864276U true CN218864276U (en) | 2023-04-14 |
Family
ID=87355064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222837318.8U Active CN218864276U (en) | 2022-10-25 | 2022-10-25 | Side-draft range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218864276U (en) |
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2022
- 2022-10-25 CN CN202222837318.8U patent/CN218864276U/en active Active
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