CN218510971U - Fume exhaust fan - Google Patents

Abstract

The utility model discloses a range hood, include the air inlet subassembly, be located the fan dustcoat of air inlet subassembly top and control the screen, the front side of fan dustcoat surpasss in the front side of air inlet subassembly, the bottom of fan dustcoat is provided with aluminium die-casting integrated into one piece's mounting panel, set up the hole of stepping down that the screen passed with controlling on the mounting panel. Compared with the prior art, the utility model has the advantages of: set up the screen of controlling of liftable through relative fan dustcoat, can the not operation demand of adaptation co-altitude, thereby avoid the screen to be in for a long time and lead to the screen to be infected with by the greasy dirt and life-span to descend under the oil smoke environment when improving operation convenience, through making the mounting panel that is used for further keeping apart screen and oil smoke to be controlled by aluminium die-casting integrated into one piece, its intensity is good, the plane degree is good, high production efficiency, even perforate also can guarantee better ground intensity, make and control the screen and keep better stability when the operation of passing the mounting panel.

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.

The position and the angle of the screen for control of the range hood in the prior art depend on the panel of the range hood, so that the range hood is too inclined or too high to be operated conveniently, and the requirements 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.

In addition, refer to a range hood disclosed in the prior chinese patent with application number 202020066605.1, such as the applicant of the present application, including a housing, the upper portion of the housing has a fan frame for mounting a fan system and a fan housing covering the fan frame, the illumination assembly is detachably disposed on the fan housing through an assembly, the assembly at least includes an assembly plate, the illumination assembly is disposed on the assembly plate, a first bending edge bent inward is disposed at a side edge of a lower end of the fan housing, a first limiting opening extending forward and backward is disposed on the first bending edge, and correspondingly, a first clamping piece capable of being clamped and limited with the first limiting opening is disposed at a side edge of the assembly plate.

For the assembling plate, the assembling plate is generally manufactured by adopting the processes of bending and welding a metal plate at present. If such a mounting plate is used to hide the manipulation screen, it has the following disadvantages: 1. the sheet metal structure has more welding points, poorer appearance quality, poor strength and easy deformation; 2. the requirement of flatness cannot be met, and the movement deviation is large after the movement mechanism is installed; 3. the sheet metal buckle connected with the fan housing is soft and easy to break, and the assembly quality is affected.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that according to the not enough of above-mentioned prior art existence, a range hood is provided, make the screen keep away from the oil smoke region under unoperated state when it can improve screen operation convenience, avoid the screen to be infected with by the greasy dirt, influence the life-span, provide simultaneously that intensity is good, the plane degree is good, the part that production efficiency is high supplies the screen to pass and hide, has improved the stability of screen operation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the air inlet subassembly, is located the fan dustcoat of air inlet subassembly top and controls the screen, the front side of fan dustcoat exceeds the front side of air inlet subassembly, its characterized in that: the bottom of fan dustcoat is provided with aluminium die-casting integrated into one piece's mounting panel, set up the hole of stepping down that the confession was passed with controlling the screen and going up and down on the mounting panel.

Because the control screen is lifted relative to the outer cover of the fan instead of being arranged on a panel and the like, the control screen is in a state of being far away from an oil smoke area when not used, and the problem of being polluted by oil stains is avoided; when the screen needs to be controlled, 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. Through making the mounting panel that is used for further keeping apart control screen and oil smoke by aluminium die-casting integrated into one piece, its intensity is good, the plane degree is good, production efficiency is high, even punch and also can guarantee better ground intensity for control the screen and keep better stability when the operation of passing the mounting panel.

Furthermore, the range hood further comprises a fan frame for arranging a fan system, the fan housing is arranged on the periphery of the fan frame, and the control screen can be contained in a space between the fan frame and the front side of the fan housing. Through controlling the screen and pertinence ground setting up in the space between fan frame and fan cover, the purpose utilizes existing/conventional structure of cigarette machine fan system, do not increase additional structure and cost, reduce under the prerequisite of space occupancy, realize controlling hiding of screen, avoid exposing under high temperature oil smoke environment for a long time under inoperative condition, thereby further realized with oil smoke environment or kitchen high temperature environment effectively isolated, the probability of controlling the screen and being infected with by the greasy dirt has been reduced, high temperature direct contact has been avoided, and the service life is prolonged.

In order to guide the lifting of the control screen, the range hood further comprises a movement mechanism for driving the control screen to lift, wherein the movement mechanism comprises a guide mechanism, and the guide mechanism comprises a first guide rail fixed with the fan frame and a second guide rail fixed with the control screen.

The front side of the fan frame is provided with a fixing plate, the first guide rail is fixed with the fixing plate, a connecting plate is fixed above the control screen, and the connecting plate is fixed with the second guide rail, so that the control screen can stably ascend and descend, and the guide mechanism is prevented from being exposed below the mounting plate.

In order to further improve the stability of the movement mechanism, the bottom of the fixed plate is bent to form a bent part, and the bent part is fixed with the mounting plate.

For the installation of mounting panel and fixed plate, be formed with reference column and erection column on the mounting panel, set up on the kink with reference column complex locating hole and with erection column complex mounting hole, pass mounting hole and erection column through the fastener to it is fixed with mounting panel and fixed plate.

For the closure of the storage space when further improving the closed state to and reduce the friction with the mounting panel when controlling the screen and go up and down, the downthehole sealing washer that is provided with of stepping down.

For the fan dustcoat and the installation of fixed plate and improvement assembly quality conveniently, the transversal U style of calligraphy of personally submitting of fan dustcoat, the bottom of fan dustcoat is buckled to the inside of fan dustcoat and is formed with the hem, the bayonet socket has been seted up on the hem, be formed with the buckle that can block into in the bayonet socket on the mounting panel.

Furthermore, the mounting plate is provided with the sound box, thereby improving the quality of the audio played by the control screen,

compared with the prior art, the utility model has the advantages of: the liftable control screen is arranged relative to the fan outer cover, so that the liftable control screen can adapt to operation requirements of different heights, the operation convenience is improved, meanwhile, the screen is prevented from being polluted by oil stains and the service life of the screen is prevented from being reduced due to the fact that the screen is located in an oil smoke environment for a long time, the mounting plate for further isolating the control screen from the oil smoke is integrally formed by aluminum die casting, the strength is good, the flatness is good, the production efficiency is high, even though holes are punched, the better strength can be guaranteed, and the control screen can keep better stability when passing through the mounting plate; the mounting plate and the guide mechanism of the movement mechanism can improve the running stability of the control screen; the buckle is adopted to be installed with the fan outer cover, so that the easiness in installation and the assembly quality are improved; through set up the sealing washer in the hole of stepping down, can further improve the closure of the accommodation space when closed condition to and reduce the friction with the mounting panel when controlling the screen and go up and down.

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 a closed state of the range hood according to the embodiment of the present invention;

FIG. 3 is a schematic view of the hidden fan housing of FIG. 2;

fig. 4 is a partial schematic view of a range hood according to an embodiment of the present invention (the first guide rail on one side is hidden);

FIG. 5 is an enlarged view of a portion I of FIG. 4;

FIG. 6 is an enlarged view of portion II of FIG. 4;

FIG. 7 is an exploded view of FIG. 4 (with the first rail hidden from view);

FIG. 8 is an enlarged view of a portion III of FIG. 7;

FIG. 9 is an enlarged view of a portion IV of FIG. 7;

FIG. 10 is an enlarged view of a portion V of FIG. 7;

fig. 11 is a partial schematic view of a range hood according to an embodiment of the present invention (the first guide rail on one side is hidden).

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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to 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 may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident 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 drawing, but in the prior art), a fan housing 2 disposed on the periphery of the fan frame 1, and an air intake assembly 3 disposed 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 of an existing/conventional structure of the range hood.

The range hood further comprises a control screen 4 for controlling the range hood, which is a smart screen, such as a smart tablet or the like. 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 to enter a use state, the smoke baffle plate 8 on the front side of the air inlet component 3 is opened so that oil smoke enters the air inlet component 3, and a circular suction air inlet mode 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 this embodiment, the second guide rail 52 is located on the side of the first guide rail 51 far 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.

Referring to fig. 4 to 11, the front side of the fan housing 2 is located beyond the front side of the top of the air intake assembly 3. The range hood also comprises a mounting plate 6 which is arranged at the bottom of the fan outer cover 2 and extends forwards from the position of the air inlet component 3 close to the upper end part, and a sound box 7 can be arranged on the mounting plate 6, so that the sound matched with the control screen 4 can be played. Of course, it is also possible to install lighting devices as described in the background, or other functional modules such as cameras, sensors, etc. 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 sealing ring 63 is arranged in the yielding hole 61, so that friction force generated when the control screen 4 passes through can be reduced, the clearance between the yielding hole 61 and the bottom surface of the control screen 4 after the control screen 4 rises can be increased, and therefore the oil smoke is further prevented from entering the space between the fan frame 1 and the fan outer cover 2 through the yielding hole 61 upwards to store and control the screen 4.

The mounting plate 6 is formed by integral aluminum die-casting, so that the problem of repeated part welding is avoided, and the production efficiency and the flatness are well guaranteed. Furthermore, since the speaker 7 is installed, it is necessary to punch holes in the mounting plate 6 to transmit sound, and if a sheet metal part is used, it will be deformed by punching too many holes, while the aluminum die-casting avoids the problem of deformation. In addition, in order to improve the stability of the operation of the control screen 4, the bottom of the fixing plate 11 is bent to form a bent portion 111, and the bent portion 111 can be fixed to the mounting plate 6, and since the first guide rail 51 is fixed to the fixing plate 11, the matching of the guide mechanism is stable. Specifically, the mounting plate 6 may have a positioning post 64 formed thereon, and the bending portion 111 has a positioning hole 1111 formed thereon. The mounting plate 6 is further provided with a mounting column 65 at a position adjacent to the positioning column 64, and the bending part 111 is further provided with a mounting hole 1112. During installation, the positioning posts 64 of the mounting plate 6 and the positioning holes 1111 of the bending portions 111 of the fixing plate 11 may be aligned and inserted first, so that the mounting plate 6 and the fixing plate 11 are pre-positioned, and then the mounting plate 6 and the fixing plate 11 are fixed by passing through the mounting holes 1112 and the mounting posts 65 by fasteners such as screws.

The cross section of the fan housing 2 is U-shaped, the bottom of the fan housing is bent towards the direction of the fan frame 1 (namely towards the inside of the fan housing 2) to form a folded edge 21, the folded edge 21 is provided with a bayonet 211, the mounting plate 6 is also provided with a buckle 62, and the buckle 62 can be clamped into the bayonet 211, so that the fan housing 2 and the mounting plate 6 can be conveniently connected.

Referring to fig. 2 and 3, 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 at this time, the lower end part of the control screen 4 is preferably located in the abdicating hole 61 or flush with the upper edge of the abdicating hole 61 to block the abdicating hole 61, so as to completely isolate the oil smoke. Referring to fig. 1, when the range hood is opened, the control screen 4 is exposed downward below the mounting plate 6 for user operation.

Furthermore, the utility model discloses a control 4 overall arrangement of screen outside the oil smoke runner, can not exert an influence to the performance of the fan system in the fan frame 1.

Claims (9)

1. The utility model provides a range hood, includes air inlet subassembly (3), is located fan dustcoat (2) of air inlet subassembly (3) top and controls screen (4), the front side of fan dustcoat (2) surpasss in the front side of air inlet subassembly (3), its characterized in that: the bottom of fan dustcoat (2) is provided with aluminium die-casting integrated into one piece's mounting panel (6), offer on mounting panel (6) and supply to control yielding hole (61) that screen (4) passed with going up and down.

2. The range hood of claim 1, wherein: the range hood further comprises a fan frame (1) for arranging a fan system, the fan outer cover (2) is arranged on the periphery of the fan frame (1), and the control screen (4) can be contained in a space between the fan frame (1) and the front side of the fan outer cover (2).

3. The range hood of claim 2, wherein: the range hood further comprises a movement mechanism used for driving the control screen (4) to ascend and descend, the movement mechanism comprises a guide mechanism, and the guide mechanism comprises a first guide rail (51) fixed with the fan frame (1) and a second guide rail (52) fixed with the control screen (4).

4. The range hood of claim 3, wherein: the front side of fan frame (1) is provided with fixed plate (11), first guide rail (51) are fixed with fixed plate (11), it is fixed with connecting plate (53) to control screen (4) top, connecting plate (53) are fixed with second guide rail (52).

5. The range hood of claim 4, wherein: the bottom of the fixing plate (11) is bent to form a bent part (111), and the bent part (111) is fixed with the mounting plate (6).

6. The range hood of claim 5, wherein: be formed with reference column (64) and erection column (65) on mounting panel (6), offer on kink (111) with reference column (64) complex locating hole (1111) and with erection column (65) complex mounting hole (1112), pass mounting hole (1112) and erection column (65) through the fastener to it is fixed with mounting panel (6) and fixed plate (11).

7. The range hood of claim 1, wherein: and a sealing ring (63) is arranged in the abdicating hole (61).

8. The range hood according to any one of claims 1 to 7, wherein: the transversal U style of calligraphy of personally submitting of fan dustcoat (2), the bottom of fan dustcoat (2) is buckled to the inside of fan dustcoat (2) and is formed with hem (21), bayonet socket (211) have been seted up on hem (21), be formed with buckle (62) that can block into in bayonet socket (211) on mounting panel (6).

9. The range hood according to any one of claims 1 to 7, wherein: and the mounting plate (6) is provided with a sound box (7).

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