A range hood with a sub-ducting chamber

By setting up a secondary smoke collection chamber and a secondary smoke guide plate in the range hood, and using magnets to hold them in place, combined with the design of the glass panel and tongue plate, the problem of excess oil dripping onto the stove is solved, achieving efficient diversion and collection of excess oil.

CN224567452UActive Publication Date: 2026-07-28SHENZHEN SKYWORTH INTELLIGENT KITCHEN ELECTRICITY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN SKYWORTH INTELLIGENT KITCHEN ELECTRICITY CO LTD
Filing Date
2025-06-26
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Existing range hoods pose a risk of residual oil dripping onto the stove when the appliance is stationary.

Method used

A range hood with a secondary smoke collection chamber was designed, including a fan cabinet, a housing, an oil cup, a centrifugal fan, and a secondary smoke guide plate. The secondary smoke guide plate is detachably connected to the secondary smoke collection chamber and is fixed by magnetic attraction. The oil on the secondary smoke guide plate flows into the longitudinal housing. Combined with the design of the glass panel and tongue plate, the excess oil is guided into the oil cup.

Benefits of technology

It effectively prevents excess oil from dripping onto the stove, achieving efficient diversion and collection of excess oil.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224567452U_ABST
    Figure CN224567452U_ABST
Patent Text Reader

Abstract

A kind of exhaust hood with auxiliary smoke collecting cavity, including air cabinet, casing, oil cup, centrifugal fan arranged in air cabinet and auxiliary smoke guide plate, casing includes longitudinal shell part and top horizontal shell part, longitudinal shell part is equipped with smoke collecting port, top horizontal shell part is equipped with two auxiliary smoke collecting cavities arranged left and right, the top plate of auxiliary smoke collecting cavity is equipped with auxiliary oil screen;Oil cup is arranged in the bottom of longitudinal shell part and can be detached, air cabinet is arranged on the top plate of top horizontal shell part and is communicated with the inner cavity of casing, auxiliary smoke guide plate is arranged in auxiliary smoke collecting cavity and there is gap between the circumferential wall plate of auxiliary smoke collecting cavity;Auxiliary smoke guide plate and auxiliary smoke collecting cavity are detachably matched, and the oil on auxiliary smoke guide plate flows into longitudinal shell part.Auxiliary oil smoke collecting cavity and auxiliary smoke guide plate are arranged, which effectively prevent smoke overflow;Auxiliary smoke guide plate guides the flow of residual oil into casing and flows into oil cup;Prevent residual oil from falling on the range.
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Description

Technical Field

[0001] This utility model relates to a range hood. Background Technology

[0002] The existing technology, Chinese patent 202220704028.3, describes a range hood with a side-mounted smoke extraction port, comprising a range hood body with an internal air intake chamber, a side suction body on at least one side of the range hood body, an air guide chamber and at least one smoke extraction port on the side suction body, the air guide chamber communicating with the air intake chamber, and the range hood body including a lower cover and an upper cover, with a smoke extraction tube fixedly connected to the upper cover, and the air intake chamber located between the lower cover and the upper cover. The problem is that when the top suction part is static, there is a risk of residual oil dripping. Utility Model Content

[0003] The purpose of this utility model is to provide a range hood with a secondary smoke collection chamber, which has the feature of preventing the smoke from dripping onto the stove.

[0004] This utility model is implemented as follows: a range hood with a secondary smoke collection chamber, characterized in that it includes a blower unit, a housing, an oil cup, a centrifugal fan housed within the blower unit, and a secondary smoke guide plate.

[0005] The housing includes a longitudinal housing and a top horizontal housing. The longitudinal housing is provided with a smoke collection port, and the top horizontal housing is provided with two auxiliary smoke collection chambers arranged on the left and right. The top plate of the auxiliary smoke collection chamber is provided with an auxiliary oil screen.

[0006] The air handling unit is located on the top plate of the top horizontal shell and has a connection with the inner cavity of the casing. The auxiliary smoke guide plate is located in the auxiliary smoke collection chamber and there is a gap between it and the circumferential wall plate of the auxiliary smoke collection chamber. The auxiliary smoke guide plate and the auxiliary smoke collection chamber are detachably connected, and the oil on the auxiliary smoke guide plate flows into the longitudinal shell.

[0007] The range hood with a secondary smoke collection chamber is characterized in that the rear end of the secondary smoke collection chamber is opposite to the upper end of the longitudinal shell.

[0008] The range hood with a secondary smoke collection chamber is characterized in that: the lower surface of the top horizontal shell has an acute angle with the front horizontal plane, and the secondary smoke guide plate is parallel to the lower surface of the top horizontal shell.

[0009] The range hood with a secondary smoke collection chamber is characterized in that: the rear wall panel of the secondary smoke collection chamber is provided with a pin plate hole;

[0010] The rear end of the auxiliary smoke guide plate is provided with a pin plate;

[0011] It also includes magnets,

[0012] The magnet is located on the top plate of the secondary smoke collection chamber. The pin plate and the pin plate hole are inserted into each other, and the magnet and the secondary smoke guide plate are magnetically attracted to each other.

[0013] The range hood with a secondary smoke collection chamber is characterized in that: the rear wall panel of the secondary smoke collection chamber is provided with a pin plate hole;

[0014] The auxiliary smoke guide plate is hollow with an upper opening and is integrally formed from a metal sheet. The rear wall plate is provided with a pin plate and an oil drain hole.

[0015] It also includes magnets,

[0016] The magnet is located on the top plate of the secondary smoke collection chamber. The pin plate is inserted into the pin plate hole, and the magnet is magnetically attracted to the secondary smoke guide plate.

[0017] The aforementioned range hood with a secondary smoke collection chamber is characterized in that it further includes a magnet, a support frame, a hinged base, and a pin.

[0018] The support frame includes a fixed base plate and a support arm, and the suspended end of the support arm is provided with a waist-shaped fixing hole;

[0019] The hinged frame is right-angled and includes a fixed frame plate and a hinged frame plate. The hinged frame plate is provided with a shaft hole and an inlet / outlet hole, and the inlet / outlet hole and the shaft hole are connected.

[0020] The pin includes a round head, an oblong shaft portion, and an oblong shaft end.

[0021] The fixed base plate and the secondary smoke collection chamber are fixed on the surface inside the top horizontal shell. The support arm extends into the secondary smoke collection chamber. The waist-shaped shaft head is inserted into the waist-shaped fixing hole. The screw and the waist-shaped shaft head are screwed together. The screw head is in contact with the support arm. The waist-shaped shaft part and the shaft hole are rotatably fitted. The magnet is set on the top plate of the secondary smoke collection chamber. The magnet is magnetically attracted to the secondary smoke guide plate.

[0022] The range hood with a secondary smoke collection chamber is characterized in that it also includes a main oil screen, which is located on the rear wall panel of the top horizontal shell and covers the top of the longitudinal shell.

[0023] The range hood with a secondary smoke collection chamber is characterized in that: the bottom plate of the top horizontal shell extends backward and bends to form a tongue plate, which extends into the longitudinal shell.

[0024] The longitudinal shell portion has a front opening.

[0025] It also includes glass panels,

[0026] The upper part of the glass panel is connected to the side walls of the longitudinal shell, and the lower part is magnetically attracted to the magnetic block located in the longitudinal shell. There is a gap between the glass panel and the tongue plate, and the oil on the auxiliary smoke guide plate enters the longitudinal shell through the gap between the glass panel and the tongue plate.

[0027] The aforementioned range hood with a secondary smoke collection chamber is characterized in that: the bottom plate of the longitudinal shell is bent to form a support plate.

[0028] It also includes a lower oil filter, an arc-shaped glass deflector, and an arc-shaped mounting base.

[0029] The lower oil filter is located at the lower end of the glass panel. The arc-shaped fixing seat is fixed to the rear wall plate of the longitudinal shell and the lower end is connected to the support plate. The lower part of the arc-shaped glass guide plate is attached to the support plate and the arc-shaped fixing seat, and the upper part is attached to the rear wall plate of the longitudinal shell. The oil on the arc-shaped guide plate flows directly into the oil receiving cup.

[0030] This utility model discloses a range hood with a secondary smoke collection chamber. The secondary smoke collection chamber and the secondary smoke guide plate effectively prevent smoke overflow. The secondary smoke guide plate guides excess oil into the machine casing and into the oil cup, preventing excess oil from dripping onto the stove. Attached Figure Description

[0031] Figure 1 This is the front view of this utility model.

[0032] Figure 2 This is a bottom view of the present invention.

[0033] Figure 3 yes Figure 1 A-A view.

[0034] Figure 4 yes Figure 1 B-B view.

[0035] Figure 5 This is a perspective view of the present invention.

[0036] Figure 6 This is one of the exploded perspective views of this utility model.

[0037] Figure 7 This is the second exploded perspective view of this utility model.

[0038] Figure 8 This is the third exploded perspective view of this utility model.

[0039] Figure 9 This is a perspective view of the second embodiment of this utility model.

[0040] Figure 10 This is a partial exploded perspective view of the second embodiment of this utility model.

[0041] Figure 11 This is an exploded perspective view of the second embodiment of this utility model. Detailed Implementation

[0042] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0043] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] Example 1

[0045] like Figure 1 , Figure 2 As shown, a range hood with a secondary smoke collection chamber 23 includes a fan housing 1, a casing 2, an oil cup 3, a centrifugal fan (not shown) housed in the fan housing 1, and a secondary smoke guide plate 4.

[0046] The housing 2 includes a longitudinal housing portion 21 and a top horizontal housing portion 22. The longitudinal housing portion 21 is provided with a smoke collection port 211, and the top horizontal housing portion 22 is provided with two auxiliary smoke collection chambers 23 arranged on the left and right. The top plate of the auxiliary smoke collection chambers 23 is provided with an auxiliary oil screen 231.

[0047] The air handling unit 1 is located on the top plate of the top horizontal shell 22 and communicates with the inner cavity of the casing 2. The oil cup is located at the bottom of the longitudinal shell 21 and is detachable. The auxiliary smoke guide plate 4 is located in the auxiliary smoke collection chamber 23 and has a gap between it and the circumferential wall of the auxiliary smoke collection chamber 23. The auxiliary smoke guide plate 4 and the auxiliary smoke collection chamber 23 are detachably connected, and the oil on the auxiliary smoke guide plate 4 flows into the longitudinal shell 21. The auxiliary smoke guide plate 4 is set to prevent the oil from the auxiliary oil mesh 231 from dripping onto the stove.

[0048] As a further improvement of this utility model: the rear end of the auxiliary smoke collection chamber 23 is opposite to the upper end of the longitudinal shell portion 21;

[0049] The lower surface of the top horizontal shell 22 forms an acute angle α with the horizontal plane in front, and the auxiliary smoke guide plate 4 is parallel to the lower surface of the top horizontal shell 22. With this design, the oil on the auxiliary smoke guide plate 4 quickly enters the housing 2.

[0050] As a further improvement of this utility model: the rear wall plate of the auxiliary smoke collection chamber 23 is provided with a pin plate hole 232;

[0051] The auxiliary smoke guide plate 4 is hollow with an upper opening and is integrally formed from a metal sheet. The rear wall plate is provided with a pin plate 41 and an oil drain hole 42.

[0052] Also includes magnet 5,

[0053] Magnet 5 is located on the top plate of the secondary smoke collection chamber 23. Pin plate 41 is inserted into pin plate hole 232, and magnet 5 is magnetically attracted to secondary smoke guide plate 4. With this design, secondary smoke guide plate 4 is easy to install and remove.

[0054] This utility model can also be implemented as follows: the rear end of the auxiliary smoke guide plate 4 is provided with a pin plate and a magnetic metal block, and the auxiliary smoke guide plate 4 is made of glass plate.

[0055] It also includes magnets,

[0056] The magnet is located on the top plate of the auxiliary smoke collection chamber 23. The pin plate and the pin plate hole 232 are inserted into each other, and the magnet and the magnetic metal block of the auxiliary smoke guide plate 4 are magnetically attracted.

[0057] As a further improvement of this utility model, it also includes a main oil mesh 6, which is disposed on the rear wall plate of the top horizontal shell 22 and covers the top of the longitudinal shell 21.

[0058] The bottom plate of the top horizontal shell 22 extends and bends backward to form a tongue plate 221. The tongue plate 221 extends into the longitudinal shell 21, and the gap between the tongue plate 221 and the rear wall plate of the longitudinal shell forms a smoke passage.

[0059] The longitudinal shell portion 21 has a front opening.

[0060] It also includes glass panel 7,

[0061] The upper part of the glass panel 7 is hinged to the two side walls of the longitudinal shell 21, and the lower part is magnetically attracted to the magnetic block 71 provided in the longitudinal shell 21; there is a gap between the glass panel 7 and the tongue plate 221, and the oil on the auxiliary smoke guide plate 4 enters the longitudinal shell 21 through the gap between the glass panel 7 and the tongue plate 221.

[0062] The glass panel 7 has hinge plates on both sides of the upper part, and the side wall of the longitudinal shell 21 has shaft fixing holes. The fixed shaft is fixed to the shaft fixing holes and rotates with the hinge plates. There are magnetic metal blocks on the glass panel 7, and the magnetic metal blocks are magnetically attracted to the magnetic block 71.

[0063] As a further improvement of this utility model: the bottom plate of the longitudinal shell portion 21 is bent to form a support plate 212.

[0064] It also includes a lower oil filter 8, an arc-shaped glass baffle 9, and an arc-shaped fixing base 10.

[0065] The lower oil screen 8 is located at the lower end of the glass panel 8, and the lower oil screen is clamped at an acute angle β with the horizontal plane at the front and lower part; the arc-shaped fixing seat 9 is fixed to the rear wall plate of the longitudinal shell 21, and the lower end is connected to the support plate 212; the lower part of the arc-shaped glass guide plate 9 is attached to the support plate 212 and the arc-shaped fixing seat 10, and the upper part is attached to the rear wall plate of the longitudinal shell 21; the oil on the arc-shaped guide plate 9 flows directly into the oil receiving cup 3.

[0066] Example 2

[0067] like Figure 9 , Figure 10 , Figure 11 As shown, it also includes a magnet 5, a support frame 6, a hinged base 7, and a pin 8.

[0068] The support frame 6 includes a fixed base plate 61 and a support arm 62, and the suspended end of the support arm 62 is provided with a waist-shaped fixing hole 63;

[0069] The hinged frame 7 is right-angled and includes a fixed frame plate 71 and a hinged frame plate 72. The hinged frame plate is provided with a shaft hole 721 and an inlet / outlet hole 722, and the inlet / outlet hole 722 and the shaft hole 721 are connected.

[0070] The pin 8 includes a round head 81, an oblong shaft portion 82, and an oblong shaft end 83.

[0071] The fixed base plate 61 and the auxiliary smoke collection chamber 23 are fixed on the surface inside the top horizontal shell 22. The support arm 62 extends into the auxiliary smoke collection chamber 23. The waist-shaped shaft head 83 is inserted into the waist-shaped fixing hole 63. The screw is screwed into the waist-shaped shaft head 83 and the screw head is in contact with the support arm 62. The waist-shaped shaft part 82 is rotatably engaged with the shaft hole 721. The magnet 5 is set on the top plate of the auxiliary smoke collection chamber 23 and magnetically attracted to the auxiliary smoke guide plate 4.

[0072] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A range hood provided with a sub-ducting chamber, characterized in that: This includes the air handling unit, housing, oil cup, centrifugal fan inside the air handling unit, and auxiliary smoke guide plate. The housing includes a longitudinal housing and a top horizontal housing. The longitudinal housing is provided with a smoke collection port, and the top horizontal housing is provided with two auxiliary smoke collection chambers arranged on the left and right. The top plate of the auxiliary smoke collection chamber is provided with an auxiliary oil screen. The oil cup is located at the bottom of the longitudinal shell and is removable. The air handling unit is located on the top plate of the top horizontal shell and is connected to the inner cavity of the casing. The auxiliary smoke guide plate is located in the auxiliary smoke collection chamber and there is a gap between it and the circumferential wall plate of the auxiliary smoke collection chamber. The auxiliary smoke guide plate and the auxiliary smoke collection chamber are detachably connected, and the oil on the auxiliary smoke guide plate flows into the longitudinal shell.

2. The range hood provided with a sub-ducting chamber according to claim 1, characterized in that: The rear end of the secondary smoke collection chamber is opposite to the upper end of the longitudinal shell.

3. The range hood provided with a sub-ducting cavity according to claim 2, characterized in that: The lower surface of the top horizontal shell has an acute angle with the horizontal plane in front, and the auxiliary smoke guide plate is parallel to the lower surface of the top horizontal shell.

4. The range hood provided with a sub-ducting cavity as claimed in claim 1, wherein: The rear wall panel of the auxiliary smoke collection chamber is provided with a pin hole; The rear end of the auxiliary smoke guide plate is provided with a pin plate; It also includes magnets, The magnet is located on the top plate of the secondary smoke collection chamber. The pin plate and the pin plate hole are inserted into each other, and the magnet and the secondary smoke guide plate are magnetically attracted to each other.

5. The range hood provided with a sub-ducting cavity according to claim 1, characterized in that: The rear wall panel of the auxiliary smoke collection chamber is provided with a pin hole; The auxiliary smoke guide plate is hollow with an upper opening and is integrally formed from a metal sheet. The rear wall plate is provided with a pin plate and an oil drain hole. It also includes magnets, The magnet is located on the top plate of the secondary smoke collection chamber. The pin plate is inserted into the pin plate hole, and the magnet is magnetically attracted to the secondary smoke guide plate.

6. The range hood provided with a sub-ducting cavity according to claim 1, characterized in that: It also includes magnets, support frames, hinged brackets, and pins. The support frame includes a fixed base plate and a support arm, and the suspended end of the support arm is provided with a waist-shaped fixing hole; The hinged frame is right-angled and includes a fixed frame plate and a hinged frame plate. The hinged frame plate is provided with a shaft hole and an inlet / outlet hole, and the inlet / outlet hole and the shaft hole are connected. The pin includes a round head, an oblong shaft portion, and an oblong shaft end. The fixed base plate and the secondary smoke collection chamber are fixed on the surface inside the top horizontal shell. The support arm extends into the secondary smoke collection chamber. The waist-shaped shaft head is inserted into the waist-shaped fixing hole. The screw is screwed into the waist-shaped shaft head and the screw head is in contact with the support arm. The waist-shaped shaft part is rotatably engaged with the shaft hole. The magnet is set on the top plate of the secondary smoke collection chamber and magnetically attracted to the secondary smoke guide plate.

7. The range hood provided with a sub-ducting cavity as claimed in claim 1, wherein: It also includes a main oil mesh, which is located on the rear wall plate of the top horizontal shell section and covers the top of the longitudinal shell section.

8. The range hood provided with a sub-ducting cavity as claimed in claim 1, 2, 3, 4, 5, 6 or 7, characterized in that: The bottom plate of the top horizontal shell extends backward and bends to form a tongue plate, which extends into the longitudinal shell. The longitudinal shell portion has a front opening. It also includes glass panels, The upper part of the glass panel is connected to the side walls of the longitudinal shell, and the lower part is magnetically attracted to the magnetic block located in the longitudinal shell. There is a gap between the glass panel and the tongue plate, and the oil on the auxiliary smoke guide plate enters the longitudinal shell through the gap between the glass panel and the tongue plate.

9. A range hood with a secondary smoke collection chamber according to claim 8, characterized in that: The bottom plate of the longitudinal shell is bent to form a support plate. It also includes a lower oil filter, an arc-shaped glass deflector, and an arc-shaped mounting base. The lower oil filter is located at the lower end of the glass panel. The arc-shaped fixing seat is fixed to the rear wall plate of the longitudinal shell and the lower end is connected to the support plate. The lower part of the arc-shaped glass guide plate is attached to the support plate and the arc-shaped fixing seat, and the upper part is attached to the rear wall plate of the longitudinal shell. The oil on the arc-shaped guide plate flows directly into the oil receiving cup.