CN216557296U - Cooking fume exhauster - Google Patents

Abstract

The utility model discloses a range hood, which comprises an air inlet assembly and a smoke baffle assembly, wherein an air inlet is formed in the front side of the air inlet assembly, the smoke baffle assembly comprises a smoke baffle, the range hood further comprises a movement mechanism for driving the smoke baffle to open and close the air inlet, and the range hood is characterized in that: the output end of the movement mechanism is detachably connected with the smoke baffle. Compared with the prior art, the utility model has the advantages that: through making the motion and adopting the connection of dismantling between the cigarette board to make things convenient for the dismouting to keep off the cigarette board, in order to change, maintain, clean etc..

Description

Cooking fume exhauster

Technical Field

The utility model relates to an oil fume purification device, in particular to 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.

Current range hood, as the range hood that chinese patent publication of application number 201721189887.9 discloses, the range hood includes left part smoking mouth, right part smoking mouth and left side and keeps off cigarette board and right side cigarette board, keep off the closing cap with the cigarette board can be opened on a left side left part smoking mouth, the closing cap with the cigarette board can be opened on the right side smoking mouth.

Above-mentioned this kind of current range hood, the setting that keeps off the cigarette board is in order to hold together the cigarette to reduce the escape of oil smoke, nevertheless keep off the cigarette board usually undetachable, this will lead to the panel equipment inconvenient, and the one side that keeps off the cigarette board contact oil smoke uses long-term the unable clearance behind the long-pending oil, influences user experience.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a range hood which is convenient for dismounting a smoke baffle plate aiming at the problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes the air inlet subassembly and keeps off the cigarette board subassembly, the front side of air inlet subassembly is opened and is equipped with the air intake, keep off the cigarette board subassembly including keeping off the cigarette board, range hood is still including being used for the drive to keep off the motion that the cigarette board opened and closed the air intake, its characterized in that: the output end of the motion mechanism is detachably connected with the smoke baffle.

Preferably, the output end of the movement mechanism is clamped with the smoke baffle.

In order to realize the joint of motion and fender cigarette board for the convenience, ensure simultaneously keeping off the level and smooth of cigarette board, motion's output is formed with the jack catch, be formed with the bellied installation department in the orientation air inlet subassembly on keeping off the cigarette board, jack catch and installation department joint.

Preferably, the motion mechanism is structured such that the motion mechanism includes a driving mechanism and a transmission mechanism, the transmission mechanism is a connecting rod, one end of the connecting rod is connected with an output end of the driving mechanism and is driven by the driving mechanism to rotate, and the other end of the connecting rod is formed with the jaw.

Preferably, in order to ensure the stress balance of the movement of the smoke baffle, the joint of the moving mechanism and the smoke baffle is positioned at the middle position of the smoke baffle in the left-right direction, and the smoke baffle is driven by the moving mechanism to rotate relative to the air inlet assembly.

Both ends can be closed tightly about guaranteeing to keep off the cigarette board, avoid keeping off the cigarette board and warp, keep off the cigarette board subassembly and still include the first coupling assembling that rotates the left end portion that will keep off the cigarette board and the air inlet subassembly and rotate the second coupling assembling who is connected with the air inlet subassembly with the right-hand member portion that will keep off the cigarette board.

Preferably, in order to realize the installation of one of them tip, ensure simultaneously that keep off cigarette board and air inlet subassembly and rotate relatively, one of them in left end portion and the right-hand member portion of keeping off cigarette board is formed with first notch, be formed with first connecting post in the first notch, first connecting subassembly includes inner skleeve, outer sleeve and location ball, the inner skleeve is fixed on the air inlet subassembly, the outer sleeve cover is established in the inner skleeve periphery, the outer sleeve can move along the left and right sides direction relative to the inner skleeve, first connecting post is pegged graft and is gone into in the inner skleeve and can rotate relatively, be formed with annular positioning groove on the perisporium of first connecting post, the locating hole has been seted up on the perisporium of inner skleeve, the outer sleeve keeps the trend of impressing the part of location ball in the positioning groove.

Preferably, in order to maintain the position of the outer sleeve, the first coupling assembly further includes a first elastic member disposed between the inner sleeve and the outer sleeve, the first elastic member applying a force to the outer sleeve moving in a direction opposite to the insertion direction of the smoke barrier, thereby maintaining a tendency to press a portion of the detent ball into the detent groove.

Preferably, for realizing the installation of another tip under the limited circumstances in position, ensure simultaneously that keep off cigarette board and air inlet subassembly and rotate relatively, another in the left end portion and the right-hand member portion of keeping off the cigarette board is formed with the second notch, be formed with the second spliced pole in the second notch, second coupling assembling includes connecting sleeve and third spliced pole, connecting sleeve is fixed with the air inlet subassembly, third spliced pole part cup joints in the second spliced pole and can move about the direction relatively the second spliced pole, the third spliced pole keeps to the interior male trend of connecting sleeve, third spliced pole and connecting sleeve can rotate relatively.

Preferably, for keeping the position of third spliced pole, second coupling assembling still includes the second elastic component, the second elastic component sets up in the second spliced pole, the both ends of second elastic component are kept away from the tip of connecting sleeve and the tip butt that the connecting sleeve was kept away from to the third spliced pole with the second spliced pole respectively for the trend of third spliced pole keeping to the motion in the connecting sleeve.

Compared with the prior art, the utility model has the advantages that: the movement mechanism and the smoke baffle are detachably connected, so that the smoke baffle is convenient to disassemble and assemble for replacement, maintenance, cleaning and the like; through the rotation connection structure who sets up both ends, can accomplish the installation at both ends about keeping off the cigarette board, ensure the motion that keeps off the cigarette board simultaneously.

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 sectional view of the opening state of the hidden fan frame of the range hood according to the embodiment of the present invention;

fig. 3 is a side view of the range hood of the embodiment of the present invention showing the opened state of the smoke barrier assembly and the moving mechanism thereof;

fig. 4 is a schematic view of a smoke baffle assembly of the range hood according to the embodiment of the utility model;

fig. 5 is an exploded schematic view of a smoke barrier assembly of the range hood according to the embodiment of the utility model;

FIG. 6 is an enlarged view of a portion I of FIG. 5;

FIG. 7 is an enlarged view of portion II of FIG. 5;

FIG. 8 is a cross-sectional view of an air intake assembly and a smoke baffle assembly of the range hood according to the embodiment of the present invention;

FIG. 9 is an enlarged view of a portion III of FIG. 8;

FIG. 10 is an enlarged schematic view of a portion IV of FIG. 8;

fig. 11 is a schematic view of a range hood according to an embodiment of the present invention in a closed state;

fig. 12 is a sectional view of the range hood according to the embodiment of the present invention in a closed state;

fig. 13 is a side view of the range hood of the present invention showing the closed state of the smoke barrier assembly and the moving mechanism thereof.

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 "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction 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 3 and 8, the range hood includes an air intake assembly 1 and a fan frame 2 disposed above the air intake assembly 1, wherein a fan system (not shown) is disposed in the fan frame 2. The air inlet component 1 is communicated with the fluid in the fan frame 2.

The thickness of the air intake component 1 in the front-back direction is smaller than that of the fan frame 2, and the thickness of the air intake component 1 can be adjusted, wherein the front side is the side close to a user in a use state, and the back side is the side far away from the user in the use state. The air inlet component 1 comprises a front side wall 11 and a rear side wall 12 which are arranged at a front-rear interval, a left side wall 13 is connected between the left end parts of the front side wall 11 and the rear side wall 12, a right side wall 14 is connected between the right end parts of the front side wall 11 and the rear side wall 12, a top wall 15 is connected between the top ends of the front side wall 11 and the rear side wall 12, and a bottom wall 16 is connected between the bottom ends of the front side wall 11 and the rear side wall 12. Thus, the air intake unit 1 has a hollow box shape. The bottom of the air inlet component 1 is provided with an oil cup 5, and an oil leakage hole 161 can be formed in the bottom wall 16 at a position corresponding to the oil cup 5, so that oil stains can be collected in the oil cup 5 through the oil leakage hole 161.

The front side wall 11 is provided with an air inlet 17, and the air inlet 17 is preferably close to the bottom of the front side wall 11, so that the air inlet 17 is close to a smoke source, and the oil smoke can be better locked before rising. The rear side wall 12 is preferably inclined forward from top to bottom in the portion near the bottom, and can play a role of flow guiding to help guide the oil dirt into the oil cup 5. An opening 151 is formed in the top wall 15, and the bottom end of the fan frame 2 is connected to the edge of the opening 151, so that oil smoke can enter the air inlet assembly 1 through the air inlet 17 and then enter the fan frame 2 through the opening 151.

The range hood further comprises a smoke baffle plate component 4, wherein the smoke baffle plate component 4 comprises a smoke baffle plate 41 and is rotatably connected with the air inlet component 1, so that the smoke baffle plate component 4 can be overturned relative to the air inlet component 1, and the air inlet 17 is opened and closed. The axis of rotation of the smoke barrier 41 extends in the left-right direction. The range hood also comprises a movement mechanism for driving the smoke baffle 4 to move. The movement mechanism includes a drive mechanism 61 and a transmission mechanism 62. Preferably, the driving mechanism 61 is a motor, and the transmission mechanism 62 is a link. The driving mechanism 61 can drive the transmission mechanism 62 to rotate, and the axis of rotation thereof extends in the left-right direction. The driving mechanism 61 may be an electric push rod or the like to drive the link to rotate.

Referring to fig. 4, one side of the smoke barrier 41, in this embodiment, the smoke barrier 41 is in the shape of a long strip and a flat plate, and a mounting portion 42 is formed by protruding one side of the smoke barrier 41 in the width direction in a direction away from the smoke barrier 41, and in the mounted state, the mounting portion 42 is formed by protruding one side of the smoke barrier 41 facing the inside of the air intake assembly 1. The transmission mechanism 62 and the mounting part 42 are clamped, so that the transmission mechanism 62 can drive the smoke baffle 41 to rotate when rotating, and can be conveniently detached and mounted when needed. In this embodiment, a claw 621 is formed at an end (an output end of the moving mechanism) of the transmission mechanism 62 connected to the mounting portion 42, a hollow portion 422 is formed in the middle of the mounting portion 42, so that a fastening rod 421 is formed at an edge of the hollow portion 422, one claw portion of the claw 621 penetrates through the hollow portion 422, and the other claw portion is located outside the mounting portion 42, so as to fasten the fastening rod 421. In order to make the stress uniform, the connection point of the moving mechanism and the smoke barrier 41 is located at the middle position in the left-right direction of the smoke barrier 41. Other detachable connection modes can be used to replace the clamping, such as plugging and the like. A snap fit or the like may be formed on the mounting portion 42 to engage with the claw 621.

Referring to fig. 11 to 13, when the range hood is in the non-operating state, the moving mechanism drives the smoke barrier 41 to rotate to a nearly vertical state, so as to close the air inlet 17.

In order to prevent the left end and the right end of the smoke baffle plate 41 from being not tightly closed with the air inlet component 1, the left end and the right end of the smoke baffle plate 41 are respectively rotatably connected with the air inlet component 1, so that the smoke baffle plate 41 is driven to rotate by a movement mechanism conveniently. Referring to fig. 4 to 10, one of the left and right ends of the smoke barrier 41, for example, the left end, is connected to the air intake assembly 1 through a first connecting assembly 43, and the other of the left and right ends of the smoke barrier 41, for example, the right end, is connected to the air intake assembly 1 through a second connecting assembly 44. The left end of the smoke barrier 41 is formed with a first notch 411, the right end of the smoke barrier 41 is formed with a second notch 412, a first connecting column 413 is formed in the first notch 411, and a second connecting column 414 is formed in the second notch 412. In the opened state of the smoke barrier 41, two notches are formed by the rear end of the smoke barrier 41 being depressed forward. Both connecting posts 413 extend in the left-right direction.

The first connection assembly 43 includes an inner sleeve 431, an outer sleeve 432, a first resilient member 433, and a positioning ball 434. The inner sleeve 431 is fixed on the air intake component 1, for example, fixed on the left side wall 13 of the air intake component 1, the outer sleeve 432 is sleeved on the periphery of the inner sleeve 431, and the outer sleeve 432 can move along the left-right direction relative to the inner sleeve 431. The first elastic member 433 is disposed between the inner sleeve 431 and the outer sleeve 432, and applies a restoring force to the right to the outer sleeve 432 when the outer sleeve 432 is moved to the left. In order to provide the first elastic member 433, an annular first stopping portion 4312 is formed by outwardly protruding the outer circumferential wall of the inner sleeve 431, an annular second stopping portion 4321 is formed by inwardly protruding the inner circumferential wall of the outer sleeve 432, two ends of the first elastic member 433 abut against between the first stopping portion 4312 and the second stopping portion 4321, and the first elastic member 433 can be in a natural state in the installation state of the smoke barrier 41. The first elastic member 433 may also be directly connected with the inner sleeve 431 and the outer sleeve 432. Preferably, the first elastic member 433 is a spring. Further, the inner sleeve 431, the outer sleeve 432, and the first connecting post 413 are preferably generally cylindrical to facilitate installation and relative rotation.

The first connecting post 413 has a positioning groove 415 formed on a peripheral wall thereof, the positioning groove 415 is formed by radially inwardly recessing the peripheral wall of the first connecting post 413, and the positioning groove 415 has a ring shape. The inner sleeve 431 has a peripheral wall formed with a positioning hole 4311, the positioning ball 433 is always partially located in the positioning hole 4311 (i.e., the diameter of the positioning ball 433 is greater than that of the positioning hole 4311), and the portion of the positioning ball 433 is located between the inner sleeve 431 and the outer sleeve 432. Preferably, the detent ball 433 is a steel ball.

When the smoke barrier 41 needs to be installed, the outer sleeve 432 is first pushed leftward, so that the portion of the outer sleeve 432 in contact with the positioning ball 433 gradually moves leftward, the current position shown in fig. 9 is the vertex in contact with the positioning ball 433, the positioning ball 433 is in a state where the largest portion of the positioning ball 433 is located in the positioning hole 4311 of the inner sleeve 431, and when the outer sleeve 432 is pushed leftward, the outer sleeve 432 gradually contacts the position on the left side of the vertex, and the positioning ball 433 can naturally move outward (move in the radial direction). Due to the maximum displacement limitation of the outer sleeve 432 towards the left, the outer sleeve 432 can be at least contacted with a part of the positioning ball 433, and the positioning ball 433 can not fall out all the time; then the first positioning column 413 of the smoke barrier 41 is inserted into the inner sleeve 431, when the positioning groove 415 of the smoke barrier 41 is just opposite to the positioning ball 433, the outer sleeve 432 is released, the positioning ball 433 is pushed into the positioning groove 415, so that the smoke barrier 41 is fixed, and the outer sleeve 432 maintains the current position under the action of the first elastic member 433, that is, the trend of pressing the positioning ball 433 into the positioning groove 415 is maintained, thereby preventing the smoke barrier 41 from moving in the left-right direction, and simultaneously, the smoke barrier 41 can rotate relative to the inner sleeve 431.

The second connecting assembly 44 includes a connecting sleeve 441, a second elastic member 442 and a third connecting column 443, the second connecting column 414 is open toward the end of the right side wall 14, and the connecting sleeve 441 is fixed to the air intake assembly 1, such as the right side wall 14, and is open toward the end of the second connecting column 414. The connecting sleeve 441, the second connecting post 414 and the third connecting post 443 are generally cylindrical for ease of installation and relative rotation. The second connecting column 414 and the connecting sleeve 441 are hollow, the second elastic element 442 is arranged in the second connecting column 414, and the outer diameter of the third connecting column 443 is not larger than the inner diameters of the second connecting column 414 and the connecting sleeve 441. The third connecting column 443 is at least partially sleeved in the second connecting column 414 and can move in the left-right direction relative to the second connecting column 414, two ends of the second elastic element 442 are respectively abutted to the end of the second connecting column 414 and the end of the third connecting column 443, and the two ends are both ends far away from the connecting sleeve 441, so that the third connecting column 443 keeps a tendency of moving to the right. Preferably, the second elastic member 442 is a spring.

The installation of the first coupling assembly 43 and the smoke barrier 41 is completed first, and then the installation of the second coupling assembly 44 and the smoke barrier 41 is completed. During installation, the third connecting column 443 is pressed into the second connecting column 414, the second elastic member 442 is compressed, then the third connecting column 443 is aligned with the connecting sleeve 441, the third connecting column 443 is loosened, and under the action of the restoring force of the second elastic member 442, the third connecting column 443 moves rightwards and is partially sleeved in the connecting sleeve 441, so that the installation of the smoke barrier 41 is completed.

Alternatively, the smoke barrier 41 may also move linearly, and both ends of the smoke barrier 41 are slidably connected to the air intake assembly 1 in a detachable manner.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (10)

1. The utility model provides a range hood, includes air inlet subassembly (1) and keeps off cigarette board subassembly (4), air intake (17) are opened to the front side of air inlet subassembly (1), keep off cigarette board subassembly (4) including keeping off cigarette board (41), range hood is still including being used for the drive to keep off the motion that cigarette board (41) opened and closed air intake (17), its characterized in that: the output end of the movement mechanism is detachably connected with the smoke baffle plate (41).

2. The range hood of claim 1, wherein: the output end of the motion mechanism is clamped with the smoke baffle (41).

3. The range hood of claim 2, wherein: the output end of motion is formed with jack catch (621), be formed with bellied installation department (42) in orientation air inlet subassembly (1) on keeping off cigarette board (41), jack catch (621) and installation department (42) joint.

4. The range hood of claim 3, wherein: the motion mechanism comprises a driving mechanism (61) and a transmission mechanism (62), the transmission mechanism (62) is a connecting rod, one end of the connecting rod is connected with the output end of the driving mechanism (61) and is driven by the driving mechanism (61) to rotate, and the other end of the connecting rod is provided with a claw (621).

5. The range hood according to any one of claims 1 to 4, wherein: the connection position of the motion mechanism and the smoke baffle (41) is located at the middle position of the smoke baffle (41) in the left-right direction, and the smoke baffle (41) is driven by the motion mechanism to rotate relative to the air inlet component (1).

6. The range hood of claim 5, wherein: keep off cigarette board subassembly (4) still include the first coupling assembling (43) of rotating the left end portion and the air inlet subassembly (1) of keeping off cigarette board (41) and second coupling assembling (44) of rotating the right-hand member and the air inlet subassembly (1) of keeping off cigarette board (41) and being connected.

7. The range hood of claim 6, wherein: one of the left and right end portions of the smoke barrier (41) is formed with a first notch (411), a first connection post (413) is formed in the first recess (411), the first connection assembly (43) includes an inner sleeve (431), an outer sleeve (432), and a positioning ball (434), the inner sleeve (431) is fixed on the air intake component (1), the outer sleeve (432) is sleeved on the periphery of the inner sleeve (431), the outer sleeve (432) can move in the left-right direction relative to the inner sleeve (431), the first connecting column (413) is inserted into the inner sleeve (431) and can rotate relatively, an annular positioning groove (415) is formed on the peripheral wall of the first connecting column (413), the peripheral wall of the inner sleeve (431) is provided with a positioning hole (4311), and the outer sleeve (432) keeps the trend of pressing part of the positioning ball (434) into the positioning groove (415).

8. The range hood of claim 7, wherein: the first connection assembly (43) further comprises a first elastic member (433), the first elastic member (433) is disposed between the inner sleeve (431) and the outer sleeve (432), and the first elastic member (433) applies a force to the outer sleeve (432) to move in a direction opposite to the insertion direction of the smoke barrier (41), thereby maintaining a tendency to press a portion of the positioning ball (434) into the positioning groove (415).

9. The range hood of claim 7, wherein: the other one of the left end portion and the right end portion of the smoke baffle (41) is formed with a second notch (412), a second connecting column (414) is formed in the second notch (412), the second connecting assembly (44) comprises a connecting sleeve (441) and a third connecting column (443), the connecting sleeve (441) is fixed with the air inlet assembly (1), part of the third connecting column (443) is sleeved in the second connecting column (414) and can move in the left-right direction relative to the second connecting column (414), the third connecting column (443) keeps a trend of being inserted into the connecting sleeve (441), and the third connecting column (443) and the connecting sleeve (441) can rotate relatively.

10. The range hood of claim 9, wherein: the second connecting assembly (44) further comprises a second elastic member (442), the second elastic member (442) is arranged in the second connecting column (414), and two ends of the second elastic member (442) are respectively abutted with the end, away from the connecting sleeve (441), of the second connecting column (414) and the end, away from the connecting sleeve (441), of the third connecting column (443), so that the third connecting column (443) keeps the trend of moving towards the inside of the connecting sleeve (441).

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