CN210320213U - Fume exhaust fan - Google Patents

Abstract

The application discloses a range hood, which comprises a shell, a smoke collecting plate, a baffle and a driving part, wherein the shell is provided with a smoke inlet; the smoke collecting plate is arranged at the smoke inlet and can rotate relative to the shell to open or shield the smoke inlet; the two baffles are respectively fixedly arranged at the two ends of the cigarette collecting plate and can synchronously move along with the cigarette collecting plate to extend out of or retract into the shell; when the smoke collecting plate opens the smoke inlet, a smoke collecting space is enclosed among the smoke collecting plate, the baffle plate and the smoke inlet; the driving part is arranged on the shell and can drive the cigarette collecting plate and/or the baffle plate to move. The utility model provides a range hood, through setting up the baffle, the both ends that hold together the cigarette space are all shielded, effectively prevent the oil smoke and escape and spread to the both ends that hold together the cigarette board at the in-process that rises, effectively gather together the oil smoke, and it is better to hold together the oil smoke effect, prevents to appear overflowing the cigarette, runs the cigarette phenomenon, has strengthened the oil absorption cigarette effect, improves oil absorption cigarette efficiency, and simple structure is reasonable moreover, easily realizes, effectively promotes user experience.

Description

Fume exhaust fan

Technical Field

The application belongs to the technical field of kitchen household appliances, and particularly relates to a range hood.

Background

The range hood is one of indispensable kitchen household appliances in modern families, can rapidly exhaust waste burned by a stove and oil fume harmful to human bodies generated in the cooking process to the outside, reduces pollution, purifies air, and has the safety guarantee effects of gas defense and explosion prevention. The side-draft range hood adopts a side air inlet mode to realize oil smoke separation and achieve an oil smoke exhaust effect, the negative pressure area of the smoke inlet is close to the oil smoke generation area, the head is not easy to touch, the appearance is attractive and fashionable, and the side-draft range hood is popular with users; the side-draft range hood has a smoke collecting plate at the smoke inlet for guiding the smoke into the smoke inlet, preventing the smoke from diffusing outwards and improving the smoke suction effect.

However, the smoke collecting plate of the existing side-suction range hood is only a side plate which is opened and closed to open or close the smoke inlet, after the smoke collecting plate is opened, the left side and the right side of the smoke collecting plate are not shielded from the smoke inlet, the oil smoke is easy to escape and diffuse to both sides in the rising process, the phenomena of smoke leakage and smoke overflow are caused, the diffusion of the oil smoke can be caused, the gathering and the pumping of the oil smoke are not facilitated, the oil smoke suction efficiency is low, and the oil smoke suction effect and the user experience are poor.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the purpose of this application is to provide a range hood, can effectively prevent the oil smoke to escape and spread to both sides at the lift in-process, effectively gathers up the oil smoke, prevents to appear overflowing the cigarette, runs the cigarette phenomenon, and the oil absorption cigarette effect is better, and user experience is better.

In order to achieve the above object, the present application provides a range hood, which is characterized in that: the shell is provided with a smoke inlet; the cigarette collecting plate is arranged at the cigarette inlet and can rotate relative to the shell to open or shield the cigarette inlet; the two baffles are respectively fixedly arranged at the two ends of the cigarette collecting plate and can synchronously move along with the cigarette collecting plate to extend out of or retract into the shell; when the cigarette collecting plate opens the cigarette inlet, a cigarette collecting space is defined by the cigarette collecting plate, the baffle and the cigarette inlet; and the driving part is arranged on the shell and can drive the cigarette collecting plate and/or the baffle to move.

In one example, the device further comprises a limit guide groove and a limit piece arranged in the limit guide groove in a sliding manner; one of the limiting guide groove and the limiting piece is arranged on the baffle, and the other of the limiting guide groove and the limiting piece is arranged on the shell; and the limiting guide groove extends along the movement direction of the baffle plate so as to limit the movement of the baffle plate relative to the shell.

In one example, the device further comprises a track frame arranged in the shell, the limiting guide groove is positioned on the track frame, the track frame is arc-shaped, and the limiting guide groove is an arc-shaped groove; the limiting guide groove is coaxial with the track of the rotary motion of the baffle.

In one example, stopping portions are further arranged at two ends of the limiting guide groove, the limiting members are located at the end portions, far away from the cigarette collecting plate, of the baffle plates, and the limiting members penetrate through the limiting guide groove.

In one example, the shell further comprises a limiting block fixedly mounted on the shell and a limiting guide rail arranged on the baffle, wherein the limiting block is provided with a through groove for clamping the limiting guide rail, and the limiting guide rail slides on the limiting block; the limiting guide rail is coaxial with the track of the rotary motion of the baffle.

In one example, the cigarette collecting plate is provided with a rotating shaft hinged on the shell, the baffle is provided with a swinging edge far away from the rotating shaft, and the limit guide rail is integrally formed on the swinging edge of the baffle.

In one example, the baffle comprises a smoke blocking part and a connecting part, the baffle is fixedly connected with the smoke collecting plate through the connecting part, and the smoke blocking part protrudes out of one side of the smoke collecting plate, which faces the smoke inlet.

In one example, the smoke blocking part is fan-shaped, and the circular arc of the fan-shaped is coaxial with the track of the smoke collecting plate rotating relative to the shell.

In one example, one end of the driving component is hinged to the shell through a first hinge shaft, the other end of the driving component is hinged to the cigarette collecting plate through a second hinge shaft, and the driving component is driven in a telescopic mode along the connecting line direction of the first hinge shaft and the second hinge shaft.

In one example, the device further comprises a rotating bracket, wherein one end of the rotating bracket is hinged with the inner side wall of the shell through a third hinge shaft, and the other end of the rotating bracket is fixedly connected with the baffle; the third hinge shaft is always positioned above a connecting line of the first hinge shaft and the second hinge shaft.

The range hood provided by the application can bring the following beneficial effects:

1. through setting up the baffle, the both ends that hold together the cigarette space are all shielded, effectively prevent the oil smoke and escape and the diffusion to the both ends that hold together the cigarette board at the in-process that rises, effectively gather together the oil smoke, hold together the oil smoke effect better, prevent that excessive cigarette, running cigarette phenomenon from appearing, have strengthened the oil absorption cigarette effect, improve oil absorption cigarette efficiency, simple structure is reasonable moreover, easily realizes, effectively promotes user experience.

2. Spacing guide way and locating part lead for the motion of casing the baffle spacing, prevent that the baffle from taking place the interference friction to both sides off normal and with the casing, and the baffle motion is steady more reliable, and user experience is better.

3. The track frame is arc, and spacing guide way is the arc groove, and spacing guide way is coaxial with the orbit of the rotary motion of baffle for the baffle can keep the equidistant with the track frame in the motion process, effectively avoids taking place the interference friction, and the motion of baffle is steady more reliable, and user experience is better.

4. The limiting part is positioned at the end part of the baffle far away from the smoke collecting plate, so that the maximum opening area of the baffle can be ensured, a larger smoke collecting space can be provided, the smoke collecting effect is better, the smoke suction efficiency is improved, the smoke suction effect is better, and the user experience is better; the stopping part can prevent the limiting part from being separated from the limiting guide groove, and the stable and reliable motion of the baffle is ensured.

5. The limit guide rail is closing on the closure state holding together the cigarette board, realizes that the near-end is spacing to the baffle, guarantees to hold together the cigarette board and close into the mouth with the optimal position lid, and the outward appearance is levelly and smoothly pleasing to the eye more for experience better.

6. The smoke blocking part is fan-shaped, and the circular arc of the fan shape is coaxial with the rotating motion track of the smoke collecting plate relative to the shell, so that the baffle can keep equal clearance with the shell in the motion process, interference friction is effectively avoided, the motion of the baffle is more stable and reliable, and the user experience is better; the smoke blocking part has the largest smoke blocking area, so that the gap between the baffle and the shell is smaller on the premise of not interfering the movement of the baffle, the cooperation is tighter, the oil smoke is effectively prevented from escaping, the oil smoke absorption effect is better, the oil smoke absorption efficiency is higher, and the user experience is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of a range hood provided in an embodiment of the present application;

fig. 2 is a schematic view of a smoke collection plate shielding a smoke inlet of a range hood provided in an embodiment of the present application;

fig. 3 is a schematic view illustrating a smoke collection plate of a range hood according to an embodiment of the present disclosure opening a smoke inlet;

fig. 4 is a schematic partial perspective view of a range hood provided in the embodiment of the present application;

fig. 5 is an exploded schematic view of a range hood according to an embodiment of the present disclosure;

fig. 6 is a right side sectional view of a range hood provided in the embodiment of the present application;

fig. 7 is an exploded schematic view of another perspective of a range hood according to an embodiment of the present disclosure;

fig. 8 is a partial cross-sectional view of a range hood provided in an embodiment of the present application;

fig. 9 is an assembly view of the cigarette collecting plate, the baffle plate, the limiting member and the rotating bracket according to the embodiment of the present application;

fig. 10 is an exploded view of a cigarette collecting plate, a baffle plate, a limiting member and a rotating bracket provided in the embodiment of the present application;

fig. 11 is a schematic perspective view of a track frame according to an embodiment of the present application;

fig. 12 is a front view of a track frame provided in an embodiment of the present application;

FIG. 13 is a left side view of a track frame provided by an embodiment of the present application;

fig. 14 is a cross-sectional view taken along line a-a of fig. 13.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

For convenience of description, the terms "front", "rear", "left", "right", "up" and "down" are used herein to describe the orientation of the extractor hood relative to the user.

As shown in fig. 1 to 10, an embodiment of the present application provides a range hood, which includes a housing 1, a smoke collecting plate 2, a baffle 3, and a driving component 4. Wherein, the shell 1 is provided with a smoke inlet 11, and a smoke collecting cavity 12 communicated with the smoke inlet 11 is formed in the shell 1; the cigarette collecting plate 2 is arranged at the cigarette inlet 11 and can rotate relative to the shell 1 to open or shield the cigarette inlet 11; the two baffles 3 are respectively fixedly arranged at two ends of the cigarette collecting plate 2, and the baffles 3 can synchronously move along with the cigarette collecting plate 2 to extend out of or retract into the shell 1; the driving part 4 is arranged on the shell 1 and can drive the cigarette collecting plate 2 and/or the baffle plate 3 to move. When the smoke collecting plate 2 opens the smoke inlet 11, a smoke collecting space is defined by the smoke collecting plate 2, the baffle 3 and the smoke inlet 11, and two ends of the smoke collecting space are blocked, so that the oil smoke is effectively prevented from escaping and diffusing to two ends of the smoke collecting plate 2 in the rising process, the oil smoke is effectively collected, the oil smoke collecting effect is better, the phenomena of smoke overflow and smoke leakage are prevented, the oil smoke absorption effect is enhanced, the oil smoke absorption efficiency is improved, the structure is simple and reasonable, the realization is easy, and the user experience is effectively improved; when the cigarette gathering plate 2 shields the cigarette inlet 11, the cigarette inlet 11 is prevented from being exposed outside, the appearance is attractive, the occupied space is effectively reduced, the kitchen space is saved, the appearance is tidy and orderly, and the user experience is better.

Specifically, in an embodiment, as shown in fig. 1 to 14, the range hood further includes a limiting guide groove 51 and a limiting member 6 slidably disposed in the limiting guide groove 51, one of the limiting guide groove 51 and the limiting member 6 is disposed on the baffle 3, and the other is disposed on the housing 1. Spacing guide way 51 extends along the direction of motion of baffle 3, and locating part 6 is directional motion in spacing guide way 51, can lead spacing for casing 1's motion baffle 3, prevents that baffle 3 from taking place the interference friction to both sides off normal and with casing 1, and the motion of baffle 3 is more steady reliable, and user experience is better.

Specifically, the device further comprises a track frame 5 arranged in the shell 1, wherein the limiting guide groove 51 is positioned on the track frame 5; the track frame 5 is arc-shaped, and the limiting guide groove 51 is an arc-shaped groove; spacing guide way 51 is coaxial with the rotary motion's of baffle 3 orbit for baffle 3 can keep the equal clearance with track frame 5 in the motion process, effectively avoids taking place to interfere the friction, and the motion of baffle 3 is steady more reliable, and user experience is better. In one embodiment, the rail frame 5 has hexagonal holes formed on both upper and lower surfaces thereof, and is fixed to the top and front surfaces of the left and right housings 1 by rivet nuts passing through the hexagonal holes.

Specifically, locating part 6 is located baffle 3 and keeps away from the tip of holding together cigarette board 2, can guarantee the biggest opening area of baffle 3, can have bigger holding together the cigarette space, and it is better to hold together the oil smoke effect, improves oil absorption cigarette efficiency, and oil absorption cigarette effect is better, and user experience is better. Both ends of the limiting guide groove 51 are provided with stopping parts 52, the limiting part 6 penetrates through the limiting guide groove 51, the stopping parts 52 can prevent the limiting part 6 from being separated from the limiting guide groove 51, the guiding limiting effect on the movement of the baffle 3 is better, and the movement of the baffle 3 is more stable and reliable.

Specifically, in another embodiment, the device further comprises a limiting block (not shown in the figure) fixedly mounted on the housing 1 and a limiting guide rail (not shown in the figure) arranged on the baffle 3, wherein the limiting block is provided with a through groove for clamping the limiting guide rail, the limiting guide rail slides on the limiting block to guide and limit the movement of the baffle 3 relative to the housing 1, so that the baffle 3 is prevented from deviating towards two sides and generating interference friction with the housing 1, the movement of the baffle 3 is more stable and reliable, and the user experience is better; and limit guide is closing on under the closed condition holding together cigarette board 2, and it is spacing to realize the near-end to baffle 3, guarantees to hold together cigarette board 2 and closes into mouth 11 with the optimal position lid, and the outward appearance is levelly and smoothly pleasing to the eye more for experience better. The limiting guide rail is a circular arc-shaped guide rail, and the limiting guide rail is coaxial with the track of the rotary motion of the baffle 3, so that the baffle 3 can keep equal gaps with the limiting guide rail in the motion process, interference friction is effectively avoided, the motion of the baffle 3 is more stable and reliable, and the user experience is better.

Specifically, the cigarette collecting plate 2 is provided with a rotating shaft hinged on the shell 1, so that the motion track of the cigarette collecting plate 2 relative to the shell 1 is relatively fixed, and the motion is more stable and reliable; baffle 3 has the swing border of keeping away from the rotation axis, and limit guide integrated into one piece is in the swing border of baffle 3, and baffle 3 is simple reasonable with the cooperation structure of casing 1, and the installation is compact, effectively avoids interfering, realizes easily, and convenient for manufacturing is with low costs.

Specifically, baffle 3 includes and keeps off cigarette portion 31 and connecting portion 32, and baffle 3 passes through connecting portion 32 and holds together cigarette board 2 fixed connection, and baffle 31 protrusion holds together cigarette board 2 towards one side of advancing cigarette mouth 11 in the protrusion. In one embodiment, the baffle 3 is L-shaped and is made by integrally bending a sheet metal plate; the connecting part 32 of the baffle 3 is bonded and connected with the cigarette collecting plate 2 through glue, so that the connection is firm and convenient.

Specifically, the smoke blocking part 31 is fan-shaped, and the circular arc of the fan-shaped is coaxial with the track of the smoke collecting plate 2 in the rotary motion relative to the shell 1, so that the baffle 3 can keep equal clearance with the shell 1 in the motion process, interference friction is effectively avoided, the motion of the baffle 3 is more stable and reliable, and the user experience is better; the smoke blocking part 31 has the largest smoke blocking area, so that the gap between the baffle 3 and the shell 1 is smaller on the premise of not interfering the movement of the baffle 3, the matching is tighter, the oil smoke is effectively prevented from escaping, the oil smoke absorption effect is better, the oil smoke absorption efficiency is higher, and the user experience is better.

Specifically, one end of the driving part 4 is hinged with the shell 1 through a first hinge shaft 101, the other end of the driving part is hinged with the cigarette collecting plate 2 through a second hinge shaft 103, and after connection, two ends of the driving part 4 have rotational freedom degrees, so that the driving part 4 moves more flexibly and conveniently; the driving part 4 drives the cigarette collecting plate 2 and the baffle 3 to move in a telescopic way along the connecting line direction of the first hinge shaft 101 and the second hinge shaft 102, so that the opening and closing angle of the cigarette collecting plate 2 is controlled. In a specific embodiment, the driving component 4 is a push rod motor, the maximum telescopic stroke state of the push rod motor is the opening position of the cigarette collecting plate 2, and the minimum telescopic stroke state of the push rod motor is the closing position of the cigarette collecting plate 2; when the push rod motor moves from the minimum stroke to the maximum stroke, the cigarette collecting plate 2 moves from the closed position to the open state.

Specifically, the device also comprises a rotating bracket 7, wherein one end of the rotating bracket 7 is hinged with the inner side wall of the shell 1 through a third hinge shaft 103, and the other end of the rotating bracket 7 is fixedly connected with the baffle 3; third articulated shaft 103 is located the line top of first articulated shaft 101 and second articulated shaft 102 all the time, and cigarette collection board 2 passes through the baffle 3 at both ends and casing 1 swing joint for when cigarette collection board 2 moves to the open position from the closed position, upturns for casing 1, and simple structure is reasonable. In a specific embodiment, the top end of the smoke blocking portion 31 of the baffle 3 is fixedly connected with the rotating bracket 7 through 3 screws, and the limiting member 6 is arranged on a fan-shaped angle of the smoke blocking portion 31 close to the shell 1; rotating bracket 7 still has towards one side of casing 1 inner wall and keeps away vacancy 71 for rotating bracket 7 is whole to be the hook type, avoids taking place to interfere, and the motion of baffle 3 is more nimble, and user experience is better.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A range hood, characterized in that, range hood includes:

the shell is provided with a smoke inlet;

the cigarette collecting plate is arranged at the cigarette inlet and can rotate relative to the shell to open or shield the cigarette inlet;

the two baffles are respectively fixedly arranged at the two ends of the cigarette collecting plate and can synchronously move along with the cigarette collecting plate to extend out of or retract into the shell; when the cigarette collecting plate opens the cigarette inlet, a cigarette collecting space is defined by the cigarette collecting plate, the baffle and the cigarette inlet; and

the driving component is arranged on the shell and can drive the cigarette collecting plate and/or the baffle to move.

2. The range hood of claim 1,

the device also comprises a limiting guide groove and a limiting piece arranged in the limiting guide groove in a sliding manner;

one of the limiting guide groove and the limiting piece is arranged on the baffle, and the other of the limiting guide groove and the limiting piece is arranged on the shell; and the limiting guide groove extends along the movement direction of the baffle plate so as to limit the movement of the baffle plate relative to the shell.

3. A range hood according to claim 2,

the limiting guide groove is positioned on the track frame, the track frame is arc-shaped, and the limiting guide groove is an arc-shaped groove; the limiting guide groove is coaxial with the track of the rotary motion of the baffle.

4. A range hood according to claim 3,

stopping parts are further arranged at two ends of the limiting guide groove, the limiting parts are located at the end parts, far away from the cigarette gathering plate, of the baffle plates, and the limiting parts penetrate through the limiting guide groove.

5. The range hood of claim 1,

the limiting block is fixedly arranged on the shell, and the limiting guide rail is arranged on the baffle plate, the limiting block is provided with a through groove for clamping the limiting guide rail, and the limiting guide rail slides on the limiting block; the limiting guide rail is coaxial with the track of the rotary motion of the baffle.

6. A range hood according to claim 5,

the cigarette gathering plate is provided with a rotating shaft hinged on the shell, the baffle is provided with a swinging edge far away from the rotating shaft, and the limiting guide rail is integrally formed on the swinging edge of the baffle.

7. A range hood according to any one of claims 1 to 6,

the baffle includes cigarette portion and connecting portion, the baffle pass through connecting portion with hold together cigarette board fixed connection, cigarette portion protrusion in hold together cigarette board orientation one side of advancing the mouth.

8. A range hood according to claim 7,

the cigarette blocking part is fan-shaped, and the fan-shaped circular arc is coaxial with the track of the cigarette collecting plate relative to the rotary motion of the shell.

9. A range hood according to any one of claims 1 to 6,

one end of the driving part is hinged with the shell through a first hinged shaft, the other end of the driving part is hinged with the cigarette collecting plate through a second hinged shaft, and the driving part drives the cigarette collecting plate in a telescopic mode along the connecting line direction of the first hinged shaft and the second hinged shaft.

10. The range hood of claim 9,

the baffle plate is characterized by further comprising a rotary support, wherein one end of the rotary support is hinged with the inner side wall of the shell through a third hinged shaft, and the other end of the rotary support is fixedly connected with the baffle plate; the third hinge shaft is always positioned above a connecting line of the first hinge shaft and the second hinge shaft.

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