Lifting range hood

Abstract

The present invention discloses a lifting range hood, which includes a fan and a main body located below the fan, wherein the main body includes: an outer shell including a first shell connected in a vertical direction and a second shell located above the first shell and capable of extension; an oil guide plate located inside the outer shell, the oil guide plate including a first portion connected in a vertical direction and a second portion located above the first portion and capable of extension, the first portion being fixedly connected to the first shell; a drive assembly including a drive component and a transmission component, wherein the drive component drives the transmission component to simultaneously lift and lower the first portion and the first shell in a vertical direction, so that the second shell of the outer shell and the second portion of the oil guide plate simultaneously extend or contract in a height direction. By setting a specific structure of the main body, the range hood can be moved up and down, which is beneficial to the collection and guidance of oil smoke. At the same time, the position of the range hood can be adjusted according to the needs of the user, thereby avoiding obstruction of the user's vision and operation.

Description

Technical Field

[0001] The present invention relates to a range hood, in particular to a lifting range hood. Background Art

[0002] Currently, most range hoods on the market are located far from the stovetop, creating a relatively high negative pressure zone. This allows rising fumes to escape in all directions, resulting in incomplete exhaust. Lowering the existing range hood installation position improves suction, but the air duct will hit the user's head, obstructing vision and operation.

[0003] Therefore, how to make the range hood absorb the oil smoke to the maximum extent while adapting to the individual differences of users and avoiding obstruction of their vision and operation is a difficult problem that needs to be solved urgently in this field. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a lifting range hood to overcome the defects in the prior art that the distance between the range hood and the stove is large, which makes it easy for the oil smoke to escape to the surroundings when it rises, and the low installation position of the range hood will hinder the user's vision and operation.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] A lifting range hood includes a fan and a main body located below the fan, wherein the main body includes:

[0007] A housing, the housing comprising a first shell connected in a vertical direction, and a second shell located above the first shell and retractable in the vertical direction, wherein a top end of the second shell is fixedly connected to the fan;

[0008] an oil guide plate, the oil guide plate being located inside the housing, the oil guide plate comprising a first portion connected in a vertical direction, and a second portion located above the first portion and retractable in the vertical direction, the first portion being fixedly connected to the first housing;

[0009] a driving assembly comprising a driving component and a transmission component, wherein the driving component is disposed at the top end of the second housing and the transmission component is connected to the first portion;

[0010] The driving component drives the transmission component to drive the first part and the first shell to rise and fall simultaneously in the vertical direction, so that the second shell of the housing and the second part of the oil guide plate are extended or contracted simultaneously in the height direction.

[0011] In this technical solution, the specific structure of the main body allows the range hood to move up and down, facilitating the collection and guidance of oil smoke. Furthermore, the position of the range hood can be adjusted according to the needs of different users, thereby avoiding obstruction of their vision and operation. Furthermore, when not in use, the range hood can be stored to its minimum size, reducing the overall space occupied. Furthermore, by mounting the drive component at the top of the second housing, which is fixedly connected to the fan, the overall weight of the telescopic structure is reduced.

[0012] It should be noted that when the outer shell and the oil guide plate are folded at the same time, the range hood can work in various lifting heights; if only the oil guide plate is folded, the outer shell still occupies the external space. At the same time, when the oil guide plate is lowered to the outside of the outer shell of the range hood, the oil guide plate is in contact with cooking fumes for a long time inside the outer shell, which can easily introduce cooking odors and affect the appearance.

[0013] Preferably, the second shell of the housing includes a plurality of support sleeves sequentially sleeved from the inside to the outside, and each of the support sleeves includes: a first support member and a second support member arranged in a horizontal direction, and a side plate arranged in a vertical direction and located between the second support member and the first support member;

[0014] The first support member is located below the second support member; the side plate is connected to the middle position of the first support member, one end of the first support member extends toward the outside of the main body to form a first platform, and the other end extends toward the inside of the main body to form a limit portion; one end of the second support member is connected to the side plate, and the other end extends toward the inside of the main body to form a second platform;

[0015] When the second shell is retracted to the minimum height, the lower surface of the first platform of the upper support sleeve abuts against the limiting portion of the lower support sleeve;

[0016] When the second shell is extended to the maximum height, the lower surface of the second platform of the support sleeve located below abuts against the upper surface of the first platform of the support sleeve located above.

[0017] In this technical solution, by providing a specific structure of the support sleeve of the second shell, the telescopic movement can be achieved while ensuring the relative positions of adjacent support sleeves, making the overall structure more solid.

[0018] Preferably, the second shell of the housing further comprises a base sleeve sleeved on the outside of the plurality of support sleeves, and the top of the base sleeve extends inwardly to form a support platform;

[0019] When the support sleeve adjacent to the base sleeve moves away from the base sleeve, the upper surface of the first platform of the support sleeve adjacent to the base sleeve abuts against the lower surface of the support platform.

[0020] In this technical solution, by providing a base cover, when the second shell is contracted, multiple support covers are accommodated therein, forming the largest accommodating space.

[0021] Preferably, the first portion of the oil guide plate forms a limited platform at one end close to the second portion;

[0022] When the second shell is retracted to the minimum height, the lower surface of the first platform of the support sleeve located at the bottom abuts against the upper surface of the limiting platform.

[0023] In this technical solution, a limiting platform is provided on the first portion of the oil guide plate to limit the lowermost support sleeve, thereby streamlining the overall structure.

[0024] Preferably, when the second shell is extended to the maximum height, the lower surface of the second platform of the support sleeve located below abuts against at least half of the upper surface of the first platform of the support sleeve located above; and / or,

[0025] When the second shell is retracted to the minimum height, at least half of the lower surface of the first platform of the upper support sleeve abuts against the limiting portion of the lower support sleeve.

[0026] In the present technical solution, the above arrangement can prevent the multiple support sleeves from deviating from the preset positions during the extension and retraction process of the second shell.

[0027] Preferably, the first platform of the first support member includes a first horizontal portion and a second horizontal portion, and upper surfaces of the first horizontal portion and the second horizontal portion are located on the same horizontal plane.

[0028] In the present technical solution, a first horizontal portion and a second horizontal portion are provided on the first platform to provide two different support points located on the same plane, so that when the second shell is extended to the maximum height, the lower surface of the first platform of the support sleeve located below can horizontally rest against the horizontal plane formed by the first horizontal portion and the second horizontal portion to ensure that the support sleeve is stably in place.

[0029] Preferably, the second portion of the oil guide plate is a foldable integral structure.

[0030] In the present technical solution, the above arrangement ensures that the expansion and contraction of the oil guide plate does not interfere with the expansion and contraction of the shell.

[0031] Preferably, the number of the drive assemblies is two, and the two groups of drive assemblies are symmetrically arranged on both sides of the fan; and / or,

[0032] The transmission component is a rope, a support seat is provided on the outer side of the first portion of the oil guide plate, and the rope is passed through the support seat; and / or,

[0033] The driving component is a motor.

[0034] In this technical solution, two sets of drive assemblies are symmetrically arranged on either side of the fan, making the range hood's raising and lowering more stable. By using a rope as the transmission component, the range hood's raising and lowering can be controlled accordingly based on the rope's length. This avoids the problem of using a telescopic rod to raise and lower the range hood, which, due to the different resistances to overcome when lowering and raising the range hood, cannot be raised to its original position within the same control time after lowering without the assistance of external sensors.

[0035] Preferably, a control panel is further provided on the outer side of the first shell, and the control panel is electrically connected to the driving component.

[0036] Preferably, the main body further includes an air inlet baffle assembly, wherein the air inlet baffle assembly:

[0037] an air inlet baffle, the air inlet baffle being connected to the first shell via a support frame;

[0038] A push rod motor is provided on the inner side of the first shell and is electrically connected to the control panel. A push rod of the push rod motor is linked to the support frame to open or close the air inlet baffle.

[0039] In this technical solution, an openable and closable air inlet baffle is provided. When the range hood is in use, the air inlet baffle is opened, which can gather the oil smoke under the range hood to a greater extent; when the range hood is not in use, the smoke baffle can be closed, thereby occupying a smaller volume and not affecting the overall appearance of the range hood.

[0040] The positive progress effect of the present invention is:

[0041] The present invention, through the specific structure of the main body, enables the range hood to move up and down, which is beneficial for the collection and guidance of oil smoke. At the same time, the position of the range hood can be adjusted according to the needs of different users to avoid obstructing the user's vision and operation. Moreover, when the range hood is not in use, it can be stored to its minimum size, thereby reducing the overall space occupied. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1This is a structural diagram of a lifting range hood according to a preferred embodiment of the present invention.

[0043] Figure 2 This is a structural diagram of a lifting range hood according to a preferred embodiment of the present invention.

[0044] Figure 3 for Figure 2 A partial enlarged view of part A.

[0045] Figure 4 This is a partial cross-sectional structural schematic diagram of a support sleeve of a lifting range hood according to a preferred embodiment of the present invention.

[0046] Description of Reference Numerals

[0047] Lift range hood 1

[0048] Fan 2

[0049] Body 3

[0050] Housing 10

[0051] First housing 20

[0052] Second housing 30

[0053] Support sleeve 31

[0054] First support member 32

[0055] First Platform 321

[0056] First horizontal portion 3211

[0057] Second horizontal portion 2312

[0058] Limiting portion 322

[0059] Second support member 33

[0060] Second Platform 331

[0061] Side panels 34

[0062] Base cover 35

[0063] Support platform 351

[0064] Oil guide plate 40

[0065] Part 141

[0066] Limit platform 411

[0067] Part 242

[0068] Drive assembly 50

[0069] Driving component 51

[0070] Transmission components 52

[0071] Support seat 60

[0072] Control Panel 70

[0073] Air inlet baffle 81

[0074] Support frame 82

[0075] Push rod motor 83

[0076] Range hood cavity 90 DETAILED DESCRIPTION

[0077] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0078] like Figures 1 to 4 As shown, this embodiment provides a lifting range hood 1. It should be noted that, Figure 2 The structure of part A in FIG. 1 is the cross-sectional structure of the range hood 1 of this part.

[0079] The lift range hood 1 includes a fan 2 and a main body 3 located below the fan 2. The main body 3 includes a housing 10, an oil guide plate 40, and a drive assembly 50.

[0080] The housing 10 includes a first housing 20 connected vertically, and a second housing 30 located above the first housing 20 and capable of vertical expansion and contraction. The top end of the second housing 30 is fixedly connected to the fan 2; that is, the top end of the second housing 30 is stationary, while the bottom end of the second housing 30 is capable of vertical expansion and contraction.

[0081] The oil deflector 40 is located within the housing 10 and includes a first portion 41 connected vertically to the first housing 20 and a second portion 42 located above the first portion 41 and retractable vertically. The first portion 41 is fixedly connected to the first housing 20. In other words, the oil deflector 40 is mechanically mounted to the first housing 20 in the non-moving position of the housing 10 to form the range hood chamber 90.

[0082] The driving assembly 50 includes a driving component 51 and a transmission component 52 . The driving component 51 is disposed at the top end of the second housing 30 , and the transmission component 52 is connected to the first portion 41 .

[0083] The drive component 51 drives the transmission component 52 to simultaneously lift and lower the first portion 41 and the first shell 20 in the vertical direction, causing the second shell 30 of the housing 10 and the second portion 42 of the oil guide plate 40 to simultaneously expand or contract in the height direction. In this way, by setting the specific structure of the main body 3, the range hood can be moved up and down, which is beneficial for the collection and guidance of oil smoke. At the same time, the position of the range hood can be adjusted according to the needs of different users to avoid obstructing the user's vision and operation. In addition, when the range hood is not in use, it can be stored to its minimum volume, thereby reducing the overall space occupied. Furthermore, by installing the drive component 51 at the top of the second shell 30 fixedly connected to the fan 2, the overall weight of the telescopic structure is reduced.

[0084] It should be noted that the outer shell 10 and the oil guide plate 40 are folded at the same time, and the range hood can work in various lifting heights; if only the oil guide plate 40 is folded, the outer shell 10 still occupies the external space. At the same time, when the oil guide plate 40 is lowered to the outside of the outer shell 10 of the range hood, the oil guide plate is in contact with cooking fumes for a long time inside the outer shell 10, which can easily introduce cooking odors and affect the appearance.

[0085] Specifically, the second shell 30 of the housing 10 includes a plurality of support sleeves 31 sequentially sleeved from the inside to the outside. Figure 4 Each support sleeve 31 includes: a first support member 32 and a second support member 33 arranged in the horizontal direction, and a side plate 34 along the vertical direction and located between the second support member 33 and the first support member 32.

[0086] The first support member 32 is located below the second support member 33; the side panel 34 is connected to the middle position of the first support member 32, one end of the first support member 32 extends toward the outside of the main body 3 to form a first platform 321, and the other end extends toward the inside of the main body 3 to form a limiting portion 322; one end of the second support member 33 is connected to the side panel 34, and the other end extends toward the inside of the main body 3 to form a second platform 331.

[0087] like Figure 1 As shown, when the second shell 30 is retracted to the minimum height (raised to the highest position), the lower surface of the first platform 321 of the upper support sleeve 31 abuts against the limiting portion 322 of the lower support sleeve 31; Figure 2 As shown, when the second housing 30 is extended to its maximum height (descended to its lowest position), the lower surface of the second platform 331 of the lower support sleeve 31 abuts against the upper surface of the first platform 321 of the upper support sleeve 31. Thus, by configuring the specific structure of the support sleeves 31 of the second housing 30, the relative positions of adjacent support sleeves 31 are maintained while enabling extension and retraction, making the overall structure more secure.

[0088] The second shell 30 of the housing 10 also includes a base sleeve 35 that fits over the multiple support sleeves 31. The top of the base sleeve 35 extends inward to form a support platform 351. The bottom end of the base sleeve 35 is fixedly connected to the top end of the first shell 20. When the support sleeve 31 adjacent to the base sleeve 35 moves away from the base sleeve 35, the upper surface of the first platform 321 of the support sleeve 31 adjacent to the base sleeve 35 abuts the lower surface of the support platform 351. Thus, by providing the base sleeve 35, when the second shell 30 is retracted, the multiple support sleeves 31 are accommodated within it, forming a maximum storage space.

[0089] A limiting platform 411 is formed at one end of the first portion 41 of the oil deflector 40, near the second portion 42. When the second housing 30 is retracted to its minimum height, the lower surface of the first platform 321 of the lowest support sleeve 31 abuts the upper surface of the limiting platform 411. Thus, by providing the limiting platform 411 on the first portion 41 of the oil deflector 40 to limit the lowest support sleeve 31, the overall structure is streamlined.

[0090] The limiting platform 411 is located on the same horizontal plane as the bottom of the base cover 35. The height of the base cover 35 is greater than or equal to the width of the support cover 31 so that after shrinkage, the upper surface of all the support covers 31 will not protrude too much from the upper surface of the base cover 35.

[0091] When the second shell 30 is extended to its maximum height, the lower surface of the second platform 331 of the support sleeve 31 located below abuts against at least half of the upper surface of the first platform 321 of the support sleeve 31 located above, so as to prevent multiple support sleeves 31 from deviating from the preset position during the extension and retraction of the second shell 30.

[0092] When the second shell 30 is retracted to the minimum height, at least half of the lower surface area of the first platform 321 of the upper support sleeve 31 abuts against the limiting portion 322 of the lower support sleeve 31 to prevent multiple support sleeves 31 from deviating from the preset position during the extension and retraction process of the second shell 30.

[0093] In this embodiment, the first platform 321 of the first support member 32 includes a first horizontal portion 3211 and a second horizontal portion 2312, and the upper surfaces of the first horizontal portion 3211 and the second horizontal portion 2312 are located on the same horizontal plane. Thus, by providing the first horizontal portion 3211 and the second horizontal portion 2312 on the first platform 321, two different support points located on the same plane are provided. Therefore, when the second shell 30 is extended to its maximum height, the lower surface of the first platform 321 of the support sleeve 31 located below can horizontally abut against the horizontal plane formed by the first horizontal portion 3211 and the second horizontal portion 2312, thereby ensuring that the support sleeve 31 is stably positioned.

[0094] The second portion 42 of the oil guide plate 40 is a foldable, integral structure so that the expansion and contraction of the oil guide plate 40 does not interfere with the expansion and contraction of the housing. The second portion 42 of the oil guide plate 40 is made of easily foldable materials such as aluminum foil, flame-retardant PVC (Polyvinyl chloride), or thin steel plate. The folding method can be equal width folding or folding. Figure 2 and Figure 3 The first portion 41 of the oil guide plate 40 is fixed to the interior of the first shell 20 of the housing 10 using a steel plate.

[0095] In this embodiment, there are two groups of driving components 50, and the two groups of driving components 50 are symmetrically arranged on both sides of the fan 2 to make the range hood rise and fall more stable.

[0096] The transmission component 52 can be a lifting rod or a rope. Preferably, the transmission component 52 is a rope. A support seat 60 is provided on the outer side of the first part 41 of the oil deflector 40, and the rope is passed through the support seat 60. In this way, by symmetrically arranging the two sets of drive components 50 on both sides of the fan 2 and setting the transmission component 52 as a rope, the rise and fall of the range hood can be controlled accordingly by the length of the rope, thereby avoiding the situation where the range hood is too large in the retracted state due to the excessive length of the telescopic rod when the range hood is raised and lowered; and, if the range hood is raised and lowered by the telescopic rod, the range hood needs to overcome different resistances when it is lowered and raised, and after the range hood is lowered, it cannot be raised to its original position within the same control time without the assistance of external sensors.

[0097] The drive component 51 is a motor, but is not limited thereto and may be any other component with a drive function. Specifically, the drive component 51 is located outside the oil deflector 40 and inside the housing 10. One end of a rope is attached to the motor and is retracted and released according to the motor's control. The other end of the rope is fixed to the support base 60. The length of the rope is no less than the maximum distance the main body 3 can descend.

[0098] A control panel 70 is further provided on the outer side of the first housing 20 , and the control panel 70 is electrically connected to the driving component 51 .

[0099] In this embodiment, the main body 3 further includes an air inlet baffle 81 assembly. The air inlet baffle 81 assembly includes: an air inlet baffle 81 and a push rod motor 83.

[0100] The air inlet baffle 81 is connected to the first housing 20 via a support frame 82 .

[0101] The push rod motor 83 is disposed inside the first housing 20 and is electrically connected to the control panel 70 . The push rod of the push rod motor 83 is linked to the support frame 82 to open or close the air inlet baffle 81 .

[0102] In this way, by setting an openable and closable air inlet baffle 81, when the range hood is in use, the air inlet baffle 81 is opened, which can gather the oil smoke under the range hood to a greater extent; when the range hood is not in use, the smoke baffle can be closed, thereby occupying a smaller volume and not affecting the overall appearance of the range hood.

[0103] The working principle of the lifting range hood 1 of this embodiment is as follows:

[0104] When the range hood is in the ascending operation, the rope contracts as the motor rotates, driving the first part 41 of the oil guide plate 40 and the first shell 20 of the shell to rise; then driving the support sleeve 31 located below to rise to the position abutting the upper support sleeve 31, the lower surface of the first platform 321 of the upper support sleeve 31 abuts on the limit part 322 of the lower support sleeve 31. When the lower support sleeve 31 overlaps with the upper support sleeve 31, and the multiple overlapping support sleeves 31 continue to rise with the cooperation of the motor and other mechanisms, until the motor receives a stop work command or the main body 3 of the range hood is completely raised, the range hood stops rising.

[0105] When the range hood descends, the ropes are released as the motor rotates. Under the combined effects of gravity and the structure of the support sleeves 31, the support sleeves 31 unfold from top to bottom. When the lower surface of the second platform 331 of the lower support sleeve 31 abuts the upper surface of the first platform 321 of the upper support sleeve 31, and the upper support sleeve 31 descends into place, the lower support sleeve 31 begins to descend, and so on, until the motor receives a stop command or the range hood body 3 is completely lowered, at which point the range hood stops descending.

[0106] Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of the present invention.

Claims

1. A lifting range hood, comprising a fan and a main body located below the fan, characterized in that: The subject includes: A housing, the housing comprising a first shell connected in a vertical direction, and a second shell located above the first shell and retractable in the vertical direction, wherein a top end of the second shell is fixedly connected to the fan; an oil guide plate, the oil guide plate being located inside the housing, the oil guide plate comprising a first portion connected in a vertical direction, and a second portion located above the first portion and retractable in the vertical direction, the first portion being fixedly connected to the first housing; a driving assembly comprising a driving component and a transmission component, wherein the driving component is disposed at the top end of the second housing and the transmission component is connected to the first portion; The driving component drives the transmission component to simultaneously lift and lower the first portion and the first shell in the vertical direction, so that the second shell of the housing and the second portion of the oil guide plate simultaneously extend or contract in the height direction; The second shell of the housing includes a plurality of support sleeves sequentially sleeved from the inside to the outside, each of the support sleeves includes: a first support member and a second support member arranged in a horizontal direction, and a side plate located between the second support member and the first support member in a vertical direction; The first support member is located below the second support member; the side plate is connected to the middle position of the first support member, one end of the first support member extends toward the outside of the main body to form a first platform, and the other end extends toward the inside of the main body to form a limit portion; one end of the second support member is connected to the side plate, and the other end extends toward the inside of the main body to form a second platform; When the second shell is retracted to the minimum height, the lower surface of the first platform of the upper support sleeve abuts against the limiting portion of the lower support sleeve; When the second shell is extended to the maximum height, the lower surface of the second platform of the support sleeve located below abuts against the upper surface of the first platform of the support sleeve located above; The second part of the oil guide plate is a foldable integral structure.

2. The lifting range hood according to claim 1, characterized in that: The second shell of the housing further comprises a base sleeve sleeved on the outside of the plurality of support sleeves, wherein the top of the base sleeve extends inwardly to form a support platform; When the support sleeve adjacent to the base sleeve moves away from the base sleeve, the upper surface of the first platform of the support sleeve adjacent to the base sleeve abuts against the lower surface of the support platform.

3. The lifting range hood according to claim 1, characterized in that: One end of the first portion of the oil guide plate close to the second portion forms a limited platform; When the second shell is retracted to the minimum height, the lower surface of the first platform of the support sleeve located at the bottom abuts against the upper surface of the limiting platform.

4. The lifting range hood according to claim 1, characterized in that: When the second shell is extended to the maximum height, the lower surface of the second platform of the support sleeve located below abuts against at least half of the upper surface of the first platform of the support sleeve located above; and / or, When the second shell is retracted to the minimum height, at least half of the lower surface of the first platform of the upper support sleeve abuts against the limiting portion of the lower support sleeve.

5. The lifting range hood according to claim 1, characterized in that: The first platform of the first support member includes a first horizontal portion and a second horizontal portion, and upper surfaces of the first horizontal portion and the second horizontal portion are located on the same horizontal plane.

6. The lifting range hood according to claim 1, characterized in that: There are two groups of drive assemblies, and the two groups of drive assemblies are symmetrically arranged on both sides of the fan; and / or, The transmission component is a rope, a support seat is provided on the outer side of the first portion of the oil guide plate, and the rope is passed through the support seat; and / or, The driving component is a motor.

7. The lift range hood according to any one of claims 1 to 6, characterized in that: A control panel is further provided on the outer side of the first shell, and the control panel is electrically connected to the driving component.

8. The lifting range hood according to claim 7, characterized in that: The main body further includes an air inlet baffle assembly, wherein the air inlet baffle assembly: an air inlet baffle, the air inlet baffle being connected to the first shell via a support frame; A push rod motor is provided on the inner side of the first shell and is electrically connected to the control panel. A push rod of the push rod motor is linked to the support frame to open or close the air inlet baffle.

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