CN218510970U - Fume exhaust fan - Google Patents

Abstract

The utility model discloses a range hood, including fan frame and the fan dustcoat of setting in fan frame periphery, be formed with the clearance between the front side of fan frame and the front side of fan dustcoat, range hood includes carries out confined mounting panel to the clearance bottom, range hood is still including controlling the screen, it can fan frame lift setting relatively to control the screen, thereby make to control the screen and can be located the clearance or at least part can stretch out the mounting panel downwards and arrange the below of mounting panel in, set up the hole of stepping down that supplies to control the screen to pass through on the mounting panel, range hood still opens or closes the baffle in the hole of stepping down including can translating. Compared with the prior art, the utility model has the advantages of: through setting up the screen of controlling of liftable relative fan frame to avoid the screen to be in to lead to the screen to be infected with by the greasy dirt and life-span decline under the oil smoke environment for a long time when improving the operation convenience, and can open or close the baffle in the hole of stepping down through the setting, prevent that debris from getting into from the hole of stepping down.

Description

Cooking fume exhauster

Technical Field

The utility model relates to an oil smoke purifier, especially a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood works by utilizing the fluid dynamics principle, sucks and exhausts oil smoke through a centrifugal fan arranged in the range hood, and filters partial grease particles by using a filter screen. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, accelerated by the fan and then collected and guided by the volute to be discharged out of a room.

The actual operating environment of the range hood on the current market uses a traditional control mode, and a screen and the range hood cannot be fused. For example, the intelligent screen range hood disclosed in the chinese patent with the application number of 201911286720.8. The intelligent screen range hood comprises a range hood body, an intelligent screen installed on the range hood body, a controller, a communication module and an audio output module.

In the range hood in the prior art, the position and the angle of the screen depend on the panel of the range hood, so that the range hood is too inclined or too high to operate conveniently, and the requirement of actual control operation cannot be met; in addition, the existing screen is exposed in an oil smoke environment no matter in a working state or a non-working state, the screen is polluted by oil smoke for a long time, so that the surface of the screen is greasy, and display or touch is affected, and the oil smoke is usually high in temperature, so that the service life of the screen is affected when the screen is in a high-temperature environment for a long time; even some prior art have also adopted some hidden schemes to prevent that the screen from revealing under the oil smoke environment, for example, set up solitary protective housing or whole elevating gear for the screen is extra sets up special protective housing, however, above-mentioned setting can lead to holistic structure complicacy, space occupancy height, cost rising to the structure of increase can lead to the later stage maintenance rate height.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the not enough of existence according to above-mentioned prior art provides a range hood, and it can improve when operation convenience with low costs, space occupancy low, the mode of simple structure design is solved the screen and is leaded to the screen to be infected with by the greasy dirt and the problem of life-span decline under being in the oil smoke environment for a long time.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes fan frame and sets up the fan dustcoat in fan frame periphery, its characterized in that: form the clearance between the front side of fan frame and the front side of fan dustcoat, range hood includes carries out confined mounting panel to the clearance bottom, range hood is still including controlling the screen, it can fan frame lift setting relatively to control the screen to make control the screen and can be located the clearance or at least part can stretch out the mounting panel downwards and arrange the below of mounting panel in, set up the hole of stepping down that supplies to control the screen to pass through on the mounting panel, range hood is still including opening or closing the baffle in the hole of stepping down with can translating.

Because the control screen is arranged relative to the fan frame instead of a panel and the like, the control screen is in a state of being far away from an oil smoke area when not used, thereby avoiding the problem of being polluted by oil stains; when the control screen needs to be used, the screen is lowered to the position below the front side of the fan frame through the lifting device, so that the screen can be ensured to be positioned right in front of or above a user, and the control of the user is facilitated; the control screen is arranged in the space between the fan frame and the fan cover in a targeted manner, so that the control screen is hidden by utilizing the existing/conventional structure of a fan system of the range hood on the premise of not increasing additional structures and cost and reducing the space occupancy rate, and is prevented from being exposed to a high-temperature oil smoke environment for a long time in an inoperative state, so that the control screen is further effectively isolated from the oil smoke environment or the high-temperature environment of a kitchen, the probability of the control screen being polluted by oil stains is reduced, the direct contact of high temperature is avoided, and the service life is prolonged; the baffle plate capable of opening or closing the yielding hole is arranged, so that the yielding hole can be sealed by the baffle plate under the shutdown state of the range hood, sundries are prevented from entering the yielding hole, and the control screen is further protected.

Preferably, for the space on the make full use of mounting panel, avoid interfering, the baffle sets up the upper surface at the mounting panel, the baffle can be around the translation and open or close the hole of stepping down.

Furthermore, the range hood further comprises a guide mechanism for guiding the control screen to lift, the guide mechanism comprises a first guide rail and a second guide rail which are fixed with the fan frame, a connecting plate is fixed above the control screen, and the second guide rail is fixed with the connecting plate, so that the control screen can lift stably, and the guide mechanism is prevented from being exposed below the mounting plate.

Furthermore, in order to simplify the structure, the range hood further comprises a linkage mechanism which enables the baffle and the control screen to be linked, wherein the linkage mechanism comprises a first rack, a second rack, a first gear, a second gear and a first synchronous belt, the first rack is fixed with the side face of the connecting plate, the second rack is arranged on the baffle, the first gear is rotatably arranged on the fan frame and meshed with the first rack, the second gear is rotatably arranged on the mounting plate, the rotating axes of the first gear and the second gear extend in the left-right direction, the first synchronous belt is wound on the first gear and the second gear to enable the first gear to drive the second gear to rotate, and the second gear can be directly or indirectly matched with the second rack so as to drive the baffle to move back and forth.

Furthermore, for avoiding the interference of the linkage mechanism and the control screen, the linkage mechanism further comprises a third gear and a second synchronous belt, the third gear is rotatably arranged on the mounting plate and is positioned at the rear side of the second gear, the third gear is parallel to the rotation axis of the second gear, the second synchronous belt is arranged on the second gear and the third gear, so that the second gear can drive the third gear to rotate, and the second gear can be directly or indirectly matched with the second rack, thereby driving the baffle to move back and forth.

Further, in order to avoid the interference between the linkage mechanism and the control screen, the linkage mechanism further comprises a fourth gear which is coaxial with the third gear and rotates synchronously, and the fourth gear is meshed with the second rack.

Compared with the prior art, the utility model has the advantages of: the liftable control screen is arranged on the fan frame relatively, the screen can adapt to operation requirements of different heights, the screen is prevented from being stained by oil stains and being shortened in service life when the operation convenience is improved, the baffle plate of the yielding hole can be opened or closed through the setting, the baffle plate can seal the yielding hole under the shutdown state of the range hood, sundries are prevented from entering the yielding hole, and the control screen is further protected.

Drawings

Fig. 1 is a schematic view of an open state of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic view of an open state of the range hood according to the embodiment of the present invention (hidden fan housing);

fig. 3 is a schematic view of an open state hidden portion of the range hood according to the embodiment of the present invention;

FIG. 4 is a schematic view of the hidden control screen, mounting plate and a portion of the motion mechanism of FIG. 3;

fig. 5 is a schematic view of a closed state of the range hood according to the embodiment of the present invention;

fig. 6 is a schematic view of a closed state of the range hood according to the embodiment of the present invention (hidden fan housing);

fig. 7 is a schematic view of the hidden portion in the opened state of the range hood according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention can be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 4, a range hood includes a fan frame 1 for installing a fan system (not marked on the drawings, but in the prior art), a fan housing 2 arranged at the periphery of the fan frame 1, and an air intake assembly 3 arranged below the fan frame 1, and may be a range hood in a top-suction type, a side-suction type, or other forms. The fan system, the fan frame 1 and the fan housing 2 jointly form a fan module, and the fan module is an existing/conventional structure of the range hood.

The range hood further comprises a control screen 4 for controlling the range hood, which is an intelligent screen, such as similar to an intelligent tablet. Control screen 4 and set up on the fan module, set up relatively fan module liftable ground, fall to at least part when needing to use and be located fan module below, seek suitable high operation of being convenient for, then rise to the fan module when not needing (especially the front side of fan frame 1), can avoid from will controlling screen 4 and set up in the runner or the region that the oil smoke passed through, and receive the influence of oil smoke from this. In this embodiment, certain interval has between the front side of fan frame 1 and the front side of fan dustcoat 2, control in screen 4 and its motion can accomodate the space that this interval formed, utilize existing conventional structure of range hood fan module promptly, under the prerequisite that does not increase extra structure and cost, reduces space occupancy, realize controlling hiding of screen 4 to avoid the screen to lead to controlling screen 4 to be stained with by the greasy dirt and life-span to descend under being in the oil smoke environment for a long time when improving operation convenience. When the range hood is opened and enters a use state, a smoke baffle (marks are not shown in the figure) on the front side of the air inlet component 3 is opened so that oil smoke enters the air inlet component 3, and the air inlet mode of circular suction or other normally open air inlet modes can be adopted.

The range hood further comprises a moving mechanism for driving the control screen 4 to ascend and descend, which may adopt a conventional linear driving module, and preferably adopts a movable part ascending and descending mechanism of the range hood as disclosed in the prior chinese patent with the application number of 201611244546.7 of the present applicant. The movement mechanism comprises a guide mechanism comprising a first guide 51 fixed to the fan frame 1 and a second guide 52 fixed to the control screen 4. The guide mechanisms are two and are respectively arranged at the left side and the right side of the control screen 4. In order to facilitate the arrangement of the moving mechanism, the front side of the fan frame 1 is provided with a fixing plate 11, and the first guide rail 51 may be fixed to both left and right sides of the fixing plate 11. In the present embodiment, the second guide rail 52 is located on the side of the first guide rail 51 away from the control screen 4, and a connecting plate 53 is fixed above the control screen 4, and the connecting plate 53 is U-shaped so as to be fixed to the second guide rails 52 on the left and right sides, respectively.

The front side of the fan outer cover 2 exceeds the front side of the top of the air inlet component 3. The range hood further comprises a mounting plate 6 which is mounted below the fan frame 1 and extends forwards from the position, close to the upper end, of the air inlet assembly 3, and a sound box 7 can be mounted on the mounting plate 6, so that sound matched with the control screen 4 can be played. The front side of the mounting plate 6 extends forwards beyond the front side of the fan frame 1, and the lower end part of the front side of the fan housing 2 can be attached to the front side end part of the mounting plate 6, so that the bottom of the space between the front sides of the fan frame 1 and the fan housing 2 is closed. The mounting panel 6 has been seted up near the position of front end portion and has been stepped down hole 61, and the shape and the size of stepping down hole 61 all with control screen 4 adaptation to pass through when can supplying to control screen 4 and go up and down.

The range hood further comprises a baffle 8 capable of opening and closing the abdicating hole 61. The shutter 8 is provided on the upper surface of the mounting plate 6 to be able to translate relative to the mounting plate 6 so as to open or close the escape holes 61. In view of space limitations, in this embodiment, the mounting plate 6 translates back and forth.

In order to drive the baffle plate 8 to translate, the range hood further comprises a linkage mechanism for linking the baffle plate 8 and the control screen 4, wherein the linkage mechanism preferably comprises two groups, and the two groups are respectively arranged at the left side and the right side of the control screen 4 (only one group is shown in the figure). Each linkage includes a first rack 91, a second rack 92, a first gear 93, a second gear 94, a third gear 95, a fourth gear 96, a first timing belt 97, and a second timing belt 98. The first rack 91 is fixed to the side surface (left side and right side) of the connecting plate 53 and extends in the vertical direction, the first gear 93 is rotatably disposed on the fan frame 1 (fixing plate 11) and engaged with the first rack 91, the second gear 94 is rotatably disposed on the mounting plate 6, and the first synchronizing belt 97 is wound around the first gear 93 and the second gear 94, so that the first gear 93 can drive the second gear 94 to rotate, and the rotation axes of the first gear 93 and the second gear extend in the vertical direction. Therefore, when the control screen 4 is lifted, the first gear 93 can rotate through the engagement of the first rack 91 and the first gear 93, and the second gear 94 is driven to rotate. The second rack 92 is provided on the baffle plate 8 and extends in the front-rear direction, and the second rack 92 may be integrally formed with the baffle plate 9.

Due to space restrictions, the left and right sides of the connecting plate 53 are provided with positions of the first racks 91, which have a limited depth in the front-rear direction, and easily interfere with the manipulation screen 4, as directly by the second gears 94 engaging with the second racks 92. For this purpose, the above-mentioned third gear 95 is further provided, the third gear 95 is provided on the mounting plate 6 in parallel with the rotational axis of the second gear 92, also rotationally, and on the rear side of the second gear 94, a second timing belt 98 is provided around the second gear 94 and the third gear 95, and the first timing belt 97 and the second timing belt 98 are axially displaced on the second gear 94 so as to avoid interference. Thus, the second gear 94 can drive the third gear 95 to rotate.

The third gear 95 can be directly or indirectly engaged with the second rack 92, in this embodiment, the third gear 95 and the second rack 92 are indirectly engaged, the fourth gear 96 and the third gear 95 are coaxially disposed and synchronously rotate, and the fourth gear 96 is engaged with the second rack 92, so that the second gear 94 can drive the third gear 95 (the fourth gear 96) to rotate, and further drive the second rack 92 (the baffle plate 8) to move back and forth through the engagement between the fourth gear 96 and the second rack 92. Alternatively, the axial length of the third gear 95 may be increased so as to directly mesh with the second rack gear 92.

Alternatively, the shutter 8 may be driven by a separate translational drive mechanism.

Referring to fig. 5 to 7, when the range hood is closed or the control screen 4 is not needed, the control screen 4 can be lifted upwards and stored on the mounting plate 6, and the baffle 8 is located on the yielding hole 61 to block the yielding hole 61. Referring to fig. 2 to 4, when the range hood is opened, the control screen 4 faces downward, and through the cooperation of the linkage mechanism, the baffle 8 is moved horizontally to leave the abdicating hole 61, so that the abdicating hole 61 is opened, and the control screen 4 can pass through the abdicating hole 61 to face downward, so as to be operated.

Claims (6)

1. The utility model provides a range hood, includes fan frame (1) and sets up fan dustcoat (2) in fan frame (1) periphery, its characterized in that: be formed with the clearance between the front side of fan frame (1) and the front side of fan dustcoat (2), range hood is including carrying out confined mounting panel (6) to the clearance bottom, range hood is still including controlling screen (4), it can go up and down to set up relatively fan frame (1) to control screen (4) to make and control screen (4) and can be located the below that mounting panel (6) were arranged in to the clearance or at least part can stretch out mounting panel (6) downwards, set up the hole of stepping down (61) that supplies to control screen (4) and pass through on mounting panel (6), range hood still opens or closes baffle (8) of the hole of stepping down (61) including can translating.

2. The range hood of claim 1, wherein: baffle (8) set up the upper surface at mounting panel (6), baffle (8) can the fore-and-aft translation and open or close hole of giving way (61).

3. The range hood of claim 2, wherein: the range hood further comprises a guide mechanism used for guiding the control screen (4) to lift, the guide mechanism comprises a first guide rail (51) and a second guide rail (52) which are fixed with the fan frame (1), a connecting plate (53) is fixed above the control screen (4), and the second guide rail (52) is fixed with the connecting plate (53).

4. A range hood as claimed in claim 3, wherein: the range hood further comprises a linkage mechanism for linkage of the baffle (8) and the control screen (4), the linkage mechanism comprises a first rack (91), a second rack (92), a first gear (93), a second gear (94) and a first synchronous belt (97), the first rack (91) is fixed to the side face of the connecting plate (53), the second rack (92) is arranged on the baffle (8), the first gear (93) is rotatably arranged on the fan frame (1) and meshed with the first rack (91), the second gear (94) is rotatably arranged on the mounting plate (6), the rotating axes of the first gear (93) and the second gear (94) extend in the left-right direction, the first synchronous belt (97) is wound on the first gear (93) and the second gear (94) to enable the first gear (93) to drive the second gear (94) to rotate, and the second gear (94) can be directly or indirectly matched with the second rack (92) to drive the baffle (8) to move forwards and backwards.

5. The range hood of claim 4, wherein: the linkage mechanism further comprises a third gear (95) and a second synchronous belt (98), the third gear (95) is rotationally arranged on the mounting plate (6) and located on the rear side of the second gear (94), the third gear (95) is parallel to the rotation axis of the second gear (94), the second synchronous belt (98) is arranged on the second gear (94) and the third gear (95) in a winding mode to enable the second gear (94) to drive the third gear (95) to rotate, and the second gear (94) can be directly or indirectly matched with the second rack (92) to drive the baffle (8) to move back and forth.

6. The range hood of claim 5, wherein: the linkage mechanism further comprises a fourth gear (96) which is coaxial with the third gear (95) and rotates synchronously, and the fourth gear (96) is meshed with the second rack (92).

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