CN109974049B - Side-suction type range hood - Google Patents
Side-suction type range hood Download PDFInfo
- Publication number
- CN109974049B CN109974049B CN201711447172.3A CN201711447172A CN109974049B CN 109974049 B CN109974049 B CN 109974049B CN 201711447172 A CN201711447172 A CN 201711447172A CN 109974049 B CN109974049 B CN 109974049B
- Authority
- CN
- China
- Prior art keywords
- guide plate
- smoke guide
- pawl
- transmission case
- 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 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000007306 turnover Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010411 cooking Methods 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Abstract
The utility model provides a side-draft range hood, includes the box, and box internally mounted has fan system, and the box front portion is opened there is the air intake, and the front side of box is installed with air intake matched with smoke guide plate, has the actuating mechanism that drive smoke guide plate stretched out forward and reset backward in box internally mounted, its characterized in that: and the back of the smoke guide plate is provided with a turnover mechanism which can be matched with external force to realize the turnover action of the smoke guide plate. The utility model has the advantages that: the side-draft range hood is internally provided with the driving mechanism for driving the smoke guide plate to extend forwards and reset backwards, and the back of the smoke guide plate is provided with the turnover mechanism which can be matched with external force to realize the turnover action of the smoke guide plate, namely, the smoke guide plate can realize the horizontal pushing movement and the turnover movement manually, so that a larger cooking operation space can be made for a user, the sight is not blocked, and the smoke absorbing effect can be effectively improved.
Description
Technical Field
The utility model relates to a range hood, in particular to a side-draft range hood.
Background
At present, there are two different air inlet modes mainly in a side-draft range hood, one is that a smoke-isolation screen on a front panel is turned over, as disclosed in Chinese patent publication No. 201020683790.5 (issued publication No. CN 201909368U), a deflector is arranged on the side face of a smoke collecting hood of the range hood, a rotary shaft seat is fixedly connected to the upper plane of the middle part of the deflector, a connecting plate is fixedly connected to the lower end of the connecting plate, the upper end of the connecting plate is connected with a transmission rack, a lug is meshed with a pinion, the pinion is driven by a bidirectional motor on one side, and a time relay limit upper switch and a time relay limit lower switch are respectively arranged above and beside the bidirectional motor and a fixed seat. When the range hood works, the motor and the transmission mechanism can drive the guide plate to turn over, and the operation space and the good visual angle of a user are easily influenced although the fume suction effect can be improved by turning over the fume guide plate. The other is that the suction plate in the front panel is pushed out parallel to the front panel, but the suction plate cannot rotate. For the air inlet mode of parallel push-out type ring suction plate, though can give the user a bigger cooking operation space, also do not shelter from the sight, but its oil smoke absorbing effect often is better than the convertible smoke barrier, and the ring suction plate top is run the cigarette more during the culinary art.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the side-draught range hood capable of realizing the horizontal pushing and manual overturning actions of the smoke guide plate.
The technical scheme adopted for solving the technical problems is as follows: this side-draft range hood, including the box, box internally mounted has fan system, and the box front portion is opened there is the air intake, and the front side of box is installed with air intake matched with smoke guide plate, has the actuating mechanism that drive smoke guide plate stretched out forward and reset backward at box internally mounted, its characterized in that: and the back of the smoke guide plate is provided with a turnover mechanism which can be matched with external force to realize the turnover action of the smoke guide plate.
The turnover mechanism can have various structures, preferably, the turnover mechanism comprises a bracket, a fixed shaft support and a transmission case, wherein the bracket is fixed on the left side and the right side of the back of the smoke guide plate, the fixed shaft is installed on the bracket and is movably connected with the bracket, the fixed shaft supports are installed at the two ends of the fixed shaft, the fixed shaft supports are installed on the power output end of the driving mechanism, the transmission case is fixed on the back of the smoke guide plate, the transmission case is internally provided with a locking mechanism, the locking mechanism comprises a fixing piece and a moving piece, the fixing piece can be mutually locked, and the fixed shaft penetrates through the transmission case and is fixedly connected with the fixing piece, and the moving piece is installed on the outer cover of the transmission case and can synchronously rotate with the smoke guide plate.
Preferably, the transmission case is arranged at the center of the back of the smoke guide plate. Therefore, the central position of the back of the smoke guide plate is a detention area when the range hood is in air inlet, and the transmission case is installed at the detention area, so that the influence on air quantity and noise is hardly caused.
The locking mechanism can have various structures, preferably, the fixed part of the locking mechanism is a ratchet wheel fixed on the fixed shaft, the movable part is a pawl, the pawl is fixedly arranged on a pawl mounting shaft, and two ends of the pawl mounting shaft are fixedly arranged on the outer cover of the transmission case.
In order to limit the rotation angle of the pawl, a limit groove is formed in the ratchet wheel, and the pawl mounting shaft is movably arranged in the limit groove. After the rotation angle of the pawl is limited, the rotation angle of the smoke guide plate is correspondingly limited.
In order to enable the pawl to be reliably engaged with the ratchet, a torsion spring is mounted on the pawl mounting shaft to maintain the pawl in engagement with the ratchet.
In order to ensure that the ratchet wheel and the pawl are smoothly meshed, the tooth space of the ratchet wheel is larger than the thickness of the pawl.
In order to enable the smoke guide plate to smoothly turn over and reset, the ratchet wheel is provided with a tooth surface and a return surface which are adjacently arranged along the axial direction of the ratchet wheel, an electromagnet capable of driving the pawl to move back and forth between the tooth surface and the return surface is also arranged in the transmission case, and a control switch for controlling the action of the electromagnet is arranged on the back of the smoke guide plate. When the control switch is pressed down, the electromagnet starts to act and drives the pawl to axially move to the return surface to be separated from the ratchet wheel, an operator can manually overturn the smoke guide plate, after overturning to a proper position, the control switch is released, and the electromagnet starts to act and drives the pawl to axially move to the tooth surface to be meshed with the ratchet wheel, so that the smoke guide plate is maintained at the position of a required overturning angle.
The electromagnet and the pawl can have various matching structures, preferably, the electromagnet is movably mounted on an electromagnet mounting shaft, two ends of the electromagnet mounting shaft are fixed on the outer cover of the transmission case, the electromagnet is provided with a poking piece matched with the pawl, and the tail part of the pawl is always limited in the poking piece.
Preferably, in any of the above aspects, the area of the smoke guide plate is larger than the area of the air inlet, and air inlet gaps are formed around the smoke guide plate.
Compared with the prior art, the utility model has the advantages that: the side-draft range hood is internally provided with the driving mechanism for driving the smoke guide plate to extend forwards and reset backwards, and the back of the smoke guide plate is provided with the turnover mechanism which can be matched with external force to realize the turnover action of the smoke guide plate, namely, the smoke guide plate can realize the horizontal pushing movement and the turnover movement manually, so that a larger cooking operation space can be made for a user, the sight is not blocked, and the smoke absorbing effect can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present utility model when the smoke guide is not turned over;
FIG. 2 is a schematic diagram of the structure of the smoke guide plate according to the embodiment of the present utility model when the smoke guide plate is turned over;
FIG. 3 is a schematic view of the structure of the embodiment of the present utility model with the side panels of the case removed;
FIG. 4 is a schematic view of a smoke guide plate according to an embodiment of the present utility model;
FIG. 5 is a schematic illustration of the transmission case housing of FIG. 4 with the transmission case housing removed;
FIG. 6 is a schematic view of the ratchet and pawl engagement in the non-inverted smoke guide;
FIG. 7 is a schematic view of the ratchet and pawl engagement in the inverted smoke guide;
FIG. 8 is a schematic view of a ratchet according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, the side-draft range hood in this embodiment has a box 1, a fan system 2 is installed inside the box 1, an air inlet 3 is opened at the front of the box 1, a smoke guide plate 4 matched with the air inlet 3 is installed at the front side of the box 1, the smoke guide plate 4 is rectangular, the area of the smoke guide plate 4 is larger than that of the air inlet 3, and air inlet gaps are formed around the smoke guide plate 4. Inside the case 1, a driving mechanism 5 for driving the smoke guide 4 to protrude forward and return is installed, and the driving mechanism 5 is of a conventional structure, which will not be described herein. The back of the smoke guide plate 4 is provided with a turnover mechanism 6, the turnover mechanism 6 can realize the turnover action of the smoke guide plate 4 by matching with external force, and the specific structure of the turnover mechanism 6 is as follows.
As shown in fig. 5 to 8, the turnover mechanism 6 of the present embodiment includes a bracket 60, two fixing shafts 61, a fixing shaft support 62 and a transmission case 63, wherein the bracket 60 is respectively fixed on the left and right sides of the back surface of the smoke guide plate 4, the fixing shafts 61 are mounted on the bracket 60 and form movable connection with the bracket, the fixing seat support 63 is respectively positioned on the outer side of the corresponding bracket 60, both ends of the fixing shafts 61 pass through the corresponding bracket 60 and are fixed on the fixing shaft support 62, the driving mechanism 5 has left and right power output ends 51, the power output ends 51 are protruded forward from the front panel 11 of the case 1, and the fixing shaft support 62 is fixed on the power output end 51 on the corresponding side. In this embodiment, the transmission case 63 is disposed at the center of the back of the smoke guide plate 4, so that the installation position of the transmission case 63 will not affect the air quantity and noise, and the whole mechanism will be more compact.
The gear box 63 has a locking mechanism therein, the locking mechanism includes a ratchet 64 and a pawl 65 which can be interlocked with each other, the ratchet 64 is a fixed member, and the pawl 65 is a movable member. The fixed shaft 61 passes through the transmission case 63, the ratchet wheel 64 is fixed on the fixed shaft 61, the pawl 65 is fixedly mounted on the pawl mounting shaft 66, and both ends of the pawl mounting shaft 66 are fixedly mounted on the outer cover of the transmission case 63. Since the transmission case 63 is fixed to the back of the smoke guide plate 4, the smoke guide plate 4 can drive the transmission case 63, the pawl mounting shaft 66 and the pawl 65 to rotate synchronously when rotating. In addition, a stopper groove 641 is formed in the ratchet wheel 64, and a pawl mounting shaft 66 is movably provided in the stopper groove 641, the pawl mounting shaft 66 forming a guide shaft, and the rotational position of the pawl 65 is regulated by engagement of the pawl mounting shaft 66 with the stopper groove 641. In the present embodiment, a torsion spring 67 that keeps the pawl 65 in mesh with the ratchet gear 64 is mounted on the pawl mounting shaft 66, and in order to ensure smooth meshing of the ratchet gear 64 with the pawl 65, the tooth space of the ratchet gear 64 is larger than the thickness of the pawl 65. The locking mechanism of the embodiment adopts a ratchet wheel and pawl structure, so that the smoke guide plate 4 has a reverse rotation locking function, and the smoke guide plate 4 can not rotate due to the influence of gravity after being locked.
The axial movement of the pawl 65 is controlled by the electromagnet 68 in this embodiment, and the specific structure is as follows: the ratchet wheel 64 has a tooth surface 642 and a return surface 643 which are adjacently arranged along the axial direction of the ratchet wheel 64, the return surface 643 is a smooth curved surface, the electromagnet 68 is mounted inside the transmission case 63, the electromagnet 68 is movably mounted on the electromagnet mounting shaft 69, both ends of the electromagnet mounting shaft 69 are fixed on the outer cover of the transmission case 63, the electromagnet 68 is provided with a shifting piece 681 matched with the pawl 65, and the tail part of the pawl 65 is always limited in the shifting piece 681. A control switch 7 is installed below the back of the smoke guide plate 4, the control switch 7 is used for controlling the action of the electromagnet 68, and the pawl 65 can be driven by the pulling piece 681 to move back and forth between the tooth surface 642 and the return surface 643 of the ratchet wheel 64 when the electromagnet 68 acts.
In normal operation, as shown in fig. 6, the pawl mounting shaft 66 is pushed against the right-side limit position of the limit groove 641, and at this time, the smoke guide plate 4 is parallel to the front panel 11 of the case 1, i.e., in the state shown in fig. 1. When the smoke amount increases, the user can manually turn the smoke guide plate 4 upwards, at this time, the ratchet wheel 64 is fixedly connected with the fixed shaft 61, so that the smoke guide plate 4 does not move, and the transmission case 63 and the pawl 65 therein can be driven to rotate around the central axis of the ratchet wheel 64. After the smoke guide plate 4 is turned up to the limit position, the pawl mounting shaft 66 is pushed up to the left limit position of the limit groove 641, i.e., the state shown in fig. 2.
When the smoke guide plate 4 needs to be reset, the control switch 7 is pressed down, the control switch 7 sends a command to the electromagnet 68, the electromagnet 68 drives the pawl 65 to move along the axial direction of the ratchet wheel 64, so that the pawl 65 slides onto the return surface 643, and at this time, the smoke guide plate 4 can be reset to a position parallel to the front panel 11 due to the smooth curved surface of the return surface 643. The user releases the control switch 7 and the pawl 65 moves onto the tooth surface 642 to engage the ratchet wheel 64.
According to the working process, the rotation angle and the time of the rotation of the smoke guide plate 4 can be controlled by a user, so that the optimal cooking space and the smoke absorbing effect of the user can be ensured.
Claims (6)
1. The utility model provides a side-draught range hood, including box (1), box (1) internally mounted has fan system (2), and box (1) front portion is opened there is air intake (3), and box (1) front side install with air intake (3) matched with smoke guide plate (4), have drive smoke guide plate (4) to stretch out forward and drive mechanism (5) that reset backward at box (1) internally mounted, its characterized in that: the back of the smoke guide plate (4) is provided with a turnover mechanism (6) which can be matched with external force to realize the turnover action of the smoke guide plate (4), the turnover mechanism (6) comprises a bracket (60), a fixed shaft (61), a fixed shaft support (62) and a transmission case (63), the bracket (60) is fixed on the left side and the right side of the back of the smoke guide plate (4), the fixed shaft (61) is arranged on the bracket (60) and is movably connected with the bracket, two ends of the fixed shaft (61) are provided with the fixed shaft support (62), the fixed shaft support (62) is arranged on a power output end (51) of the driving mechanism (5), the transmission case (63) is fixed on the back of the smoke guide plate (4), the transmission case (63) is internally provided with a locking mechanism, the locking mechanism comprises a fixing piece and a moving piece which can be mutually locked, the fixed shaft (61) passes through the transmission case (63) and is fixedly connected with the fixing piece, the moving piece is arranged on the outer cover of the transmission case (63) and can be synchronously rotated with the smoke guide plate (4), the fixed shaft (63) is arranged at the center of the ratchet wheel (64), pawl (65) fixed mounting is on pawl installation axle (66), and pawl installation axle (66) both ends fixed mounting is in on the dustcoat of transmission case (63), ratchet (64) have along the adjacent tooth flank (642) and the return surface (643) that set up of axial of ratchet still install in transmission case (63) can drive pawl (65) back and forth movement between tooth flank (642) and return surface (643) control switch (7) that are used for controlling electromagnet (68) action are installed at the back of smoke guide plate (4).
2. The side-suction type range hood according to claim 1, wherein: a limit groove (641) is formed on the ratchet wheel (64), and the pawl mounting shaft (66) is movably arranged in the limit groove (641).
3. The side-suction type range hood according to claim 1, wherein: a torsion spring 67 for maintaining the pawl 65 in engagement with the ratchet 64 is mounted on the pawl mounting shaft 66.
4. The side-suction type range hood according to claim 1, wherein: the tooth space of the ratchet wheel (64) is larger than the thickness of the pawl (65).
5. The side-suction type range hood according to claim 1, wherein: the electromagnet (68) is movably mounted on an electromagnet mounting shaft (69), two ends of the electromagnet mounting shaft (69) are fixed on an outer cover of the transmission case (63), the electromagnet (68) is provided with a poking piece (681) matched with the pawl (65), and the tail of the pawl (65) is always limited in the poking piece (681).
6. The side-suction type range hood according to any one of claims 1 to 5, wherein: the area of the smoke guide plate (4) is larger than that of the air inlet (3), and air inlet gaps are formed around the smoke guide plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447172.3A CN109974049B (en) | 2017-12-27 | 2017-12-27 | Side-suction type range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447172.3A CN109974049B (en) | 2017-12-27 | 2017-12-27 | Side-suction type range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109974049A CN109974049A (en) | 2019-07-05 |
| CN109974049B true CN109974049B (en) | 2024-01-16 |
Family
ID=67071147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447172.3A Active CN109974049B (en) | 2017-12-27 | 2017-12-27 | Side-suction type range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109974049B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109974049A (en) | 2019-07-05 |
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