CN109425006B - Rotating mechanism of smoke baffle plate of range hood - Google Patents
Rotating mechanism of smoke baffle plate of range hood Download PDFInfo
- Publication number
- CN109425006B CN109425006B CN201710774853.4A CN201710774853A CN109425006B CN 109425006 B CN109425006 B CN 109425006B CN 201710774853 A CN201710774853 A CN 201710774853A CN 109425006 B CN109425006 B CN 109425006B
- Authority
- CN
- China
- Prior art keywords
- connecting arm
- arm
- smoke baffle
- rotating shaft
- range hood
- 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.)
- Active
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 85
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000004146 energy storage Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 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
- F24C15/2092—Removing cooking fumes movable extendable or pivotable
Abstract
The utility model relates to a rotating mechanism of a smoke baffle of a range hood, which comprises a base, a swinging piece, a driving component and a torsion spring. The base is fixedly arranged on the shell of the range hood, and the swinging piece is fixedly connected with the smoke baffle plate and is rotationally connected to the base through the first rotating shaft. The drive assembly includes first linking arm and the second linking arm of rotation connection, and the both ends of torsional spring are connected respectively on first linking arm, second linking arm, and first linking arm is connected with the swinging member, and the second linking arm is rotated through the second pivot and is connected on the base. After the smoke baffle is opened or closed by a part of angle, the swinging piece drives the first connecting arm to act so that the first connecting arm and the second connecting arm rotate relatively, and then the connecting inflection point of the first connecting arm and the second connecting arm is positioned on a plane formed by the axes of the first rotating shaft and the second rotating shaft. The rotating mechanism of the smoke baffle of the range hood can enable the smoke baffle to automatically continue to be opened or closed after being manually opened or closed by part of angles, and is convenient to use and labor-saving.
Description
Technical Field
The utility model relates to the technical field of range hoods, in particular to a rotating mechanism of a smoke baffle of a range hood.
Background
The inclined or side-suction type range hood in the current market greatly improves the oil smoke suction rate in a low-level smoking mode, and the oil smoke enters the range hood obliquely from the front due to the fact that the range hood is installed close to a wall, so that operators are prevented from passively sucking the oil smoke, and the defect of a traditional top-suction type range hood is overcome. The smoke baffle of the near-suction type range hood can block the smoke in the opening state, form a negative pressure smoke collecting area with the engine body, and can block the diffusion of peculiar smell in the range hood in the closing state, so that the problems of backward channeling of the smoke in a public flue and the like are solved.
In the prior art, the smoke baffle is mainly opened or closed in a manual or electric mode, and the range hood adopting the manual smoke baffle is deeply favored by users due to high product cost performance and good safety performance. But in the opening and closing process of the manual operation smoke baffle, the friction force of the rotating shaft and the gravity of the smoke baffle need to be overcome, the user needs to use larger force in the opening and closing process of the smoke baffle, and the user experience is poor.
For example, in the chinese patent application No. CN202392867U (application No. 201120521315.2), the smoke baffle plate of the disclosed turnover structure rotates through a rotating shaft assembly, the rotating shaft assembly includes a fixed plate and a movable plate, the fixed plate is fixed on the smoke collecting hood and is located above an air inlet provided in the smoke collecting hood, the movable plate is fixed on the smoke baffle plate, the movable plate is connected with the fixed plate through a rotating shaft, and a damper is sleeved on the rotating shaft to realize the stop of the smoke baffle plate at any position. Therefore, the smoke baffle plate needs to be continuously forced by a user in the overturning process, and can not be tightly closed under the action of external force, so that the integral usability and experience of the range hood are affected. The disclosed rotating mechanism also has the problems in the rotating mechanism of a smoke baffle plate of a side-draught type range hood of China patent publication No. CN204006203U (201420060233.6).
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rotation mechanism of a smoke baffle plate of a range hood, which can automatically and continuously open or close after a part of angles are manually opened or closed.
The utility model solves the problems by adopting the following technical scheme: the rotating mechanism of the smoke baffle of the range hood comprises a base, a swinging piece and a driving assembly, wherein the base is fixedly arranged on a shell of the range hood; the swing piece is connected to the base in a rotating way through a first rotating shaft, and the front end of the swing piece is fixedly connected with the smoke baffle plate; the method is characterized in that:
the driving assembly comprises a first connecting arm and a second connecting arm which are rotationally connected together, the first connecting arm is also connected with the swinging piece, and the second connecting arm is also rotationally connected to the base through a second rotating shaft;
and the elastic piece is in a state of strongest energy storage when the included angle between the first connecting arm and the second connecting arm is at a specific angle, and is in a state of releasing energy storage when the included angle between the first connecting arm and the second connecting arm is smaller than or larger than the specific included angle.
In order to facilitate limiting the rotation angle of the smoke baffle, the second connecting arm is provided with a fan-shaped groove, and a limiting block extending into the fan-shaped groove is convexly arranged on the second rotating shaft.
The elastic piece can adopt the extension spring, better adopts the torsional spring, in order to make things convenient for the installation of torsional spring, first linking arm and second linking arm link together through the third pivot, the torsional spring cup joints in the third pivot, two free ends of torsional spring are fixed respectively on first linking arm and second linking arm.
Simply, the link of first linking arm and second linking arm is folded and is established together, the torsional spring is located one side of first linking arm and second linking arm, the one end of torsional spring is buckled and is set up in order to connect on the second linking arm.
And the two free ends of the torsion spring are respectively clamped in the hooks.
The swing piece comprises a swing arm and a connecting support, the connecting support is fixedly connected to the front end of the swing arm and fixedly connected with the smoke baffle plate, and the swing arm is rotatably connected to the base through a first rotating shaft and is connected with a first connecting arm.
Preferably, the swing arm is "J" font, one end of swing arm passes through first pivot rotation is connected on the base, another end and the linking bridge fixed connection of swing arm, the kink of swing arm is connected with first linking arm.
In order to reduce the friction between the swing arm and the first connecting arm, the swing arm is connected with the first connecting arm through a fourth rotating shaft, and a gasket is clamped between the swing arm and the first connecting arm.
In order to ensure the stability of the rotation of the smoke baffle, a damper is arranged on the first rotating shaft.
Preferably, the damper comprises a pair of belleville springs sleeved on the first rotating shaft and arranged back to back, and one belleville spring is propped against the swing arm.
In order to avoid the swing arm from axial movement to influence the normal work of the swing arm, two clamping springs are sleeved on the first rotating shaft and are respectively positioned on two sides of the swing arm.
Preferably, the ends of the two clamping springs are respectively and oppositely bent with a bending part, and the swing arm is provided with a through hole into which the bending part can extend.
Compared with the prior art, the utility model has the advantages that: the rotation mechanism of the smoke baffle of the range hood realizes the driving of the smoke baffle through the cooperation between the swinging part, the torsion spring, the first connecting arm and the second connecting arm, namely when a user opens or closes the smoke baffle to a certain angle, the connecting inflection points of the first connecting arm and the second connecting arm are positioned on a plane formed by the axes of the first rotating shaft and the second rotating shaft, at the moment, the user can continuously apply small force to the rotation direction to realize the automatic driving of the rotation mechanism of the smoke baffle of the range hood to the smoke baffle, namely under the action of the acting force of the swinging part to the first connecting arm or the action of the torsion spring to the first connecting arm and the second connecting arm, the connecting inflection points of the first connecting arm and the second connecting arm are moved to the other side of the plane formed by the first rotating shaft and the second rotating shaft, and the automatic driving of the smoke baffle is realized. This fume baffle of range hood's slewing mechanism is more laborsaving in the use, simultaneously under the effect of torsional spring, the fume baffle is closed the back with the cooperation of other parts of range hood inseparabler, has guaranteed its safety in utilization.
Drawings
Fig. 1 is a diagram showing the cooperation of a rotation mechanism of a smoke baffle plate of a range hood and the range hood according to an embodiment of the present utility model.
Fig. 2 is a diagram showing the cooperation and installation of a rotation mechanism of a smoke baffle of a range hood and the smoke baffle of the range hood according to an embodiment of the present utility model.
Fig. 3 is a perspective view of a rotation mechanism of a smoke baffle plate of a range hood in a closed state according to an embodiment of the present utility model.
Fig. 4 is a perspective view of another view of fig. 3.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, the rotation mechanism of the smoke baffle of the range hood in the present embodiment is installed in the housing of the range hood and located above the rear of the smoke baffle 6, and in order to ensure the stability of rotation of the smoke baffle 6, the rotation mechanisms of the smoke baffle of the range hood are disposed at both sides of the smoke baffle 6.
The rotating mechanism of the smoke baffle of the range hood comprises a base 1, a swinging piece 2, a driving component 3 and a torsion spring 4.
Wherein base 1 fixed mounting is on the casing of range hood, and this base 1 carries out fixed mounting according to the inside structure of range hood casing and the installation position adaptation of the slewing mechanism of this range hood smoke baffle.
The swinging member 2 comprises a swinging arm 21 and a connecting bracket 22, wherein the swinging arm 21 is J-shaped, one end part of the swinging arm 21 is rotatably connected to the base 1 through a first rotating shaft 5, and the other end part of the swinging arm 21 is fixedly connected with one end of the connecting bracket 22. The other end of the connecting bracket 22 is provided with a plate body which can be attached to the smoke baffle 6, is attached to the smoke baffle 6 and is fixedly connected with the smoke baffle 6.
The damper 100 is sleeved on the first rotating shaft 5, and the damper 100 can ensure that the torsion moment is stably applied to the swing arm 21 to stabilize the action of the torsion spring 4. The damper 100 comprises a pair of belleville springs 101 sleeved on the first rotating shaft 5 and arranged back to back, two clamping springs 102 are sleeved on the first rotating shaft 5, and the two clamping springs 102 are respectively positioned on two sides of the swing arm 21. The ends of the two clamping springs 102 are respectively and oppositely bent with a bending part, and the swing arm 21 is provided with a through hole 211 into which the bending part can extend. So one of the belleville springs 101 presses on the snap spring 102 on one side of the swing arm 21, and then presses against the swing arm 21, and the other belleville spring 101 presses on the limit nut at the end part of the first rotating shaft 5.
The drive assembly 3 comprises a first connecting arm 31 and a second connecting arm 32. The first ends of the first connecting arm 31 and the second connecting arm 32 are rotatably connected together by a third rotating shaft 8, and the third rotating shaft 8 is arranged in parallel with the first rotating shaft 5. In this embodiment, the first connecting arm 31 and the second connecting arm 32 are made of an L-shaped plate, and the first ends of the first connecting arm 31 and the second connecting arm 32 are stacked together. The torsion spring 4 is arranged on the third rotating shaft 8 in a penetrating way from one side of the first connecting arm 31 and one side of the second connecting arm 32, and two acting ends of the torsion spring 4 are respectively connected with the second ends of the first connecting arm 31 and the second connecting arm 32, so that when an included angle between the first connecting arm 31 and the second connecting arm 32 is at a specific angle, the torsion spring 4 is in a state with strongest energy storage, and when the included angle between the first connecting arm 31 and the second connecting arm 32 is smaller than or larger than the specific included angle, the torsion spring 4 is in a state of releasing energy storage. For easy installation of the torsion spring 4, one end of the torsion spring 4 is directly connected to the first connecting arm 31, and the other end of the torsion spring 4 is bent in a "Z" shape to be connected to the second connecting arm 32. For convenience in installation of the torsion spring 4, hooks 300 are respectively arranged at the second ends of the first connecting arm 31 and the second connecting arm 32, and two free ends of the torsion spring 4 are respectively clamped in the hooks 300.
The second end of the first connecting arm 31 is rotatably connected with the bending part of the swing arm 21 through a fourth rotating shaft 9, and the fourth rotating shaft 9 is arranged in parallel with the first rotating shaft 5. In order to reduce friction, a spacer 10 is interposed between the swing arm 21 and the first connecting arm 31. So that the first connecting arm 31 can be moved together during the movement of the swing arm 21.
The second end of the second connecting arm 32 is rotatably connected to the base 1 through a second rotating shaft 7, and the second rotating shaft 7 is disposed parallel to the first rotating shaft 5. The second connecting arm 32 has a fan-shaped groove 321, in this embodiment, a limiting plate is protruded on a side surface of the second connecting arm 32, and a part of the limiting plate is missing to form the fan-shaped groove 321. The second rotating shaft 7 is convexly provided with a limiting block 71 extending into the fan-shaped groove 321, so that in the process of rotating the second connecting arm 32 relative to the second rotating shaft 7, the limiting block 71 limits the rotating angle of the second connecting arm 32, namely, limits the rotating angle of the smoke baffle 6, and the condition that the rotating angle of the smoke baffle 6 is overlarge and the smoke baffle is pressed on other parts of the range hood is avoided.
The rotating mechanism of the smoke baffle of the range hood has the following using process: when the range hood is to be used, a user manually opens the smoke baffle 6, and pulls the connecting bracket 22 and the swing arm 21 to act together along with the rotation of the smoke baffle 6, the swing arm 21 rotates around the first rotating shaft 5 fixedly connected to the base 1, meanwhile, the swing arm 21 pulls the first connecting arm 31 to rotate relative to the second connecting arm 32, in the process, the second connecting arm 32 rotates around the second rotating shaft 7 fixedly connected to the base 1, and the axis of the third rotating shaft 8 moves towards the connecting line direction of the axis of the first rotating shaft 5 and the axis of the second rotating shaft 7. When the smoke baffle 6 is opened by a certain angle, the axis of the third rotating shaft 8 moves to the connecting line of the axis of the first rotating shaft 5 and the axis of the second rotating shaft 7, and at the moment, the torsion spring 4 is in the state of the strongest energy storage due to the included angle between the first connecting arm 31 and the second connecting arm 32. At this time, the user releases the hand after continuing to turn over the smoke baffle 6 by a small angle with a small force, then the torsion spring 4 is in a released energy storage state, the torsion spring 4 drives the first connecting arm 31 and the second connecting arm 32 to rotate relatively, and then drives the swing arm 21 to rotate, so that the smoke baffle 6 is driven to automatically continue to open, and meanwhile, under the action of the damper 100, the smoke baffle 6 rotates steadily, and when the end wall of the fan-shaped groove 321 on the second connecting arm 32 touches the limiting block 71 on the second rotating shaft 7, the smoke baffle 6 is opened to a set angle, and the smoke baffle 6 stops.
When the smoke baffle 6 needs to be closed, a user turns the smoke baffle 6 downwards manually, after the smoke baffle 6 is closed by a certain angle, the axis of the third rotating shaft 8 moves to the connecting line of the axis of the first rotating shaft 5 and the axis of the second rotating shaft 7 again, at the moment, the included angle between the first connecting arm 31 and the second connecting arm 32 enables the torsion spring 4 to be in the state of the strongest energy storage, the user continues to turn the smoke baffle 6 downwards with small force and releases hands, the first connecting arm 31 and the second connecting arm 32 rotate relatively under the action of releasing the energy storage of the torsion spring 4, the smoke baffle 6 is driven to rotate towards the closing direction automatically, and when the other end wall of the fan-shaped groove 321 on the second connecting arm 32 touches the limiting block 71 on the second rotating shaft 7, the smoke baffle 6 reaches the closing position, the smoke baffle 6 stops moving, and meanwhile under the torsion force of the torsion spring 4, the smoke baffle 6 can be tightly closed on the smoke ventilator.
Claims (9)
1. The rotating mechanism of the smoke baffle of the range hood comprises a base (1), a swinging piece (2) and a driving component (3), wherein the base (1) is fixedly arranged on a shell of the range hood; the swinging piece (2) is rotationally connected to the base (1) through a first rotating shaft (5), and the front end of the swinging piece (2) is fixedly connected with the smoke baffle (6); the method is characterized in that:
the driving assembly (3) comprises a first connecting arm (31) and a second connecting arm (32) which are rotatably connected together, the first connecting arm (31) is connected with the swinging piece (2), and the second connecting arm (32) is rotatably connected to the base (1) through a second rotating shaft (7);
the device also comprises an elastic piece, wherein two acting ends of the elastic piece are respectively connected to the first connecting arm (31) and the second connecting arm (32), when the included angle between the first connecting arm (31) and the second connecting arm (32) is at a specific angle, the elastic piece is in a state of strongest energy storage, and when the included angle between the first connecting arm (31) and the second connecting arm (32) is smaller than or larger than the specific included angle, the elastic piece is in a state of releasing energy storage;
the second connecting arm (32) is provided with a fan-shaped groove (321), and the second rotating shaft (7) is convexly provided with a limiting block (71) extending into the fan-shaped groove (321);
the first connecting arm (31) and the second connecting arm (32) are connected together through a third rotating shaft (8), the elastic piece is a torsion spring (4) sleeved on the third rotating shaft (8), and two free ends of the torsion spring (4) are respectively fixed on the first connecting arm (31) and the second connecting arm (32);
a damper (100) is arranged on the first rotating shaft (5).
2. The rotation mechanism of a smoke baffle plate of a range hood according to claim 1, wherein: the connecting ends of the first connecting arm (31) and the second connecting arm (32) are overlapped, and the torsion spring (4) is positioned at one side of the first connecting arm (31) and one side of the second connecting arm (32).
3. The rotation mechanism of a smoke baffle plate of a range hood according to claim 1, wherein: the first connecting arm (31) and the second connecting arm (32) are respectively provided with a clamping hook (300), and two free ends of the torsion spring (4) are respectively clamped in the clamping hooks (300).
4. The rotation mechanism of a smoke baffle plate of a range hood according to claim 1 or 2, wherein: the swing piece (2) comprises a swing arm (21) and a connecting support (22), the connecting support (22) is fixedly connected to the front end of the swing arm (21) and fixedly connected with the smoke baffle plate (6), and the swing arm (21) is rotatably connected to the base (1) through the first rotating shaft (5) and is connected with the first connecting arm (31).
5. The rotation mechanism of a smoke baffle plate of a range hood according to claim 4, wherein: the swing arm (21) is J-shaped, one end part of the swing arm (21) is rotationally connected to the base (1) through the first rotating shaft (5), the other end part of the swing arm (21) is fixedly connected with the connecting support (22), and the bending part of the swing arm (21) is connected with the first connecting arm (31).
6. The rotation mechanism of a smoke baffle plate of a range hood according to claim 5, wherein: the swing arm (21) is connected with the first connecting arm (31) through a fourth rotating shaft (9), and a gasket (10) is clamped between the swing arm (21) and the first connecting arm (31).
7. The rotation mechanism of a smoke baffle plate of a range hood according to claim 1, wherein: the damper (100) comprises a pair of belleville springs (101) sleeved on the first rotating shaft (5) and arranged opposite to each other, and one belleville spring (101) is propped against the swing arm (21).
8. The rotation mechanism of a smoke baffle plate of a range hood according to claim 7, wherein: two clamp springs (102) are sleeved on the first rotating shaft (5), and the two clamp springs (102) are respectively located on two sides of the swing arm (21).
9. The rotation mechanism of a smoke baffle plate of a range hood according to claim 8, wherein: the ends of the two clamp springs (102) are respectively and oppositely bent with a bending part, and the swing arm (21) is provided with a through hole (211) into which the bending parts can extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774853.4A CN109425006B (en) | 2017-08-31 | 2017-08-31 | Rotating mechanism of smoke baffle plate of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774853.4A CN109425006B (en) | 2017-08-31 | 2017-08-31 | Rotating mechanism of smoke baffle plate of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109425006A CN109425006A (en) | 2019-03-05 |
| CN109425006B true CN109425006B (en) | 2024-02-20 |
Family
ID=65504787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710774853.4A Active CN109425006B (en) | 2017-08-31 | 2017-08-31 | Rotating mechanism of smoke baffle plate of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425006B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413669B (en) * | 2020-08-13 | 2022-08-23 | 宁波方太厨具有限公司 | Range hood capable of distributing air volume |
| CN114738808B (en) * | 2022-04-08 | 2023-07-25 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN114738807B (en) * | 2022-04-08 | 2023-07-25 | 宁波方太厨具有限公司 | Range hood and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291775A (en) * | 1996-01-19 | 1997-11-11 | Kap-Il Park | Emergency door hinge for fire shutter |
| CN203478392U (en) * | 2013-09-06 | 2014-03-12 | 浙江玉立电器有限公司 | Complete machine panel structure with automatic smoke deflector opening and closing structure |
| CN203704089U (en) * | 2014-01-07 | 2014-07-09 | 宁波方太厨具有限公司 | Concealed door lock mechanism of smoke barrier of range hood |
| CN204006203U (en) * | 2014-02-10 | 2014-12-10 | 宁波方太厨具有限公司 | A kind of rotating mechanism of side-suction type range hood smoke barrier |
| CN204227499U (en) * | 2014-11-03 | 2015-03-25 | 九阳股份有限公司 | The lampblack absorber of smoke barrier station keeping |
-
2017
- 2017-08-31 CN CN201710774853.4A patent/CN109425006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291775A (en) * | 1996-01-19 | 1997-11-11 | Kap-Il Park | Emergency door hinge for fire shutter |
| CN203478392U (en) * | 2013-09-06 | 2014-03-12 | 浙江玉立电器有限公司 | Complete machine panel structure with automatic smoke deflector opening and closing structure |
| CN203704089U (en) * | 2014-01-07 | 2014-07-09 | 宁波方太厨具有限公司 | Concealed door lock mechanism of smoke barrier of range hood |
| CN204006203U (en) * | 2014-02-10 | 2014-12-10 | 宁波方太厨具有限公司 | A kind of rotating mechanism of side-suction type range hood smoke barrier |
| CN204227499U (en) * | 2014-11-03 | 2015-03-25 | 九阳股份有限公司 | The lampblack absorber of smoke barrier station keeping |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109425006A (en) | 2019-03-05 |
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