CN220205837U - Range hood with panel turnover mechanism - Google Patents

Abstract

The utility model discloses a range hood with a panel turnover mechanism, which comprises: the fume collecting hood is provided with an air inlet and an opening positioned at the outer side of the air inlet; the panel turnover mechanism comprises a smoke collecting assembly and a bracket assembly, wherein the bracket assembly comprises a driving bracket and an auxiliary bracket, one end of the driving bracket is rotationally connected with the smoke collecting hood, one end of the auxiliary bracket is rotationally connected with the smoke collecting hood, the other end of the auxiliary bracket is connected with the driving bracket and is arranged in an angle, the smoke collecting assembly is rotationally connected with the smoke collecting hood and is used for opening or closing an air inlet, and the smoke collecting assembly is connected with the other end of the driving bracket or the auxiliary bracket; the driving mechanism is arranged in the fume collecting hood, penetrates through the opening and is connected with the bracket assembly and used for driving the fume collecting assembly to rotate through the bracket assembly. The range hood provided by the utility model has the advantages that the structure is simple, the driving support and the auxiliary support are two independent rotating shafts, the strength and the stability in the movement process are improved, the smoke gathering assembly is not easy to swing, and the operation is more stable.

Description

Range hood with panel turnover mechanism

Technical Field

The utility model relates to the technical field of kitchen electricity, in particular to a range hood with a panel turnover mechanism.

Background

The maximum opening angle of the smoke collecting plate of the existing side-draft type range hood is smaller, and related parts on the smoke collecting hood are inconvenient to clean or overhaul. When the workpiece inside the fume collecting hood needs to be maintained, the structures such as the fume collecting plate and the like are usually required to be detached, the disassembly and the assembly are troublesome, and parts are easy to lose.

In addition, the driving support of the existing tobacco gathering plate is usually a single rod, and when the tobacco gathering plate is driven to turn over and open, deflection or shaking easily occurs, so that the motion stability of the tobacco gathering plate is poor.

Disclosure of Invention

The utility model aims to solve one of the problems in the prior art to at least a certain extent, and therefore, the utility model provides the range hood with the flap mechanism, which has a simple structure, forms a rigid rotary triangle structure through the driving support, the auxiliary support and the smoke collecting hood together, and the driving support and the auxiliary support are two independent rotary shafts, so that the strength and the stability in the motion process are improved, the smoke collecting assembly is not easy to swing, and the operation is more stable.

According to the range hood with the panel turnover mechanism, the range hood is realized through the following technical scheme:

a range hood with a flap mechanism, comprising: the fume collecting hood is provided with an air inlet and an opening positioned at the outer side of the air inlet; the panel turnover mechanism comprises a smoke collecting assembly and a bracket assembly, wherein the bracket assembly comprises a driving bracket and an auxiliary bracket, one end of the driving bracket is rotationally connected with the smoke collecting hood, one end of the auxiliary bracket is rotationally connected with the smoke collecting hood, the other end of the auxiliary bracket is connected with the driving bracket and is arranged in an angle, the smoke collecting assembly is rotationally connected with the smoke collecting hood and is used for opening or closing the air inlet, and the smoke collecting assembly is connected with the other end of the driving bracket or the auxiliary bracket; the driving mechanism is arranged in the fume collecting hood, penetrates through the opening and is connected with the bracket component, and is used for driving the fume collecting component to rotate through the bracket component.

In some embodiments, the panel turnover mechanism further comprises a lock catch assembly, and the driving bracket or the auxiliary bracket is locked or unlocked with the back surface of the cigarette gathering assembly through the lock catch assembly.

In some embodiments, the locking component comprises a movable buckle and a fixed buckle which are matched and clamped, the back of the smoke gathering component is provided with the fixed buckle which extends towards the direction of the driving bracket, and the position of the driving bracket corresponding to the fixed buckle is provided with the movable buckle; or the back of the smoke gathering assembly is provided with the movable buckle extending towards the direction of the driving bracket, and the fixing buckle is arranged at the position of the driving bracket corresponding to the movable buckle.

In some embodiments, the movable buckle is disposed in a receiving groove of the driving bracket, the driving bracket is provided with a limiting portion located above the movable buckle, and the limiting portion tightly presses the movable buckle to a bottom surface of the receiving groove.

In some embodiments, the bracket assembly further comprises a rotating shaft, the rotating shaft is arranged in the fume collecting hood, the fume collecting hood is provided with a first notch positioned above the air inlet, and the upper end of the driving bracket is rotatably arranged at the first notch and sleeved outside the rotating shaft.

In some embodiments, the fume collecting hood is provided with a second notch above the air inlet, and one end of the auxiliary support, which is far away from the driving support, is rotatably arranged at the second notch and sleeved outside the rotating shaft.

In some embodiments, the tobacco gathering component comprises a tobacco gathering plate and a fixing frame, the tobacco gathering plate is rotationally connected with the smoke collecting hood and used for opening or closing the air inlet, the fixing frame is fixedly connected with the back of the tobacco gathering plate, and the bracket component and the fixing frame are locked or unlocked through a lock component.

In some embodiments, the driving mechanism comprises a driver and a transmission rod, a support lug extending towards the direction of the opening is arranged on the back of the driving support, the transmission rod penetrates through the opening, the driver is arranged in the fume collecting hood, and the output end of the driver is connected with the support lug through the transmission rod.

In some embodiments, the device further comprises a power mechanism, wherein opposite ends of the power mechanism are respectively connected with the driving support and the cigarette gathering component, and the power mechanism is used for pushing the cigarette gathering component to rotate relative to the driving support after the cigarette gathering component is separated from the driving support.

In some embodiments, the driving bracket is provided with a containing groove which is opened towards the smoke gathering assembly, one end of the power mechanism stretches into the containing groove and is hinged with the driving bracket, and the other end of the power mechanism can move between retracting into the containing groove and stretching out of the containing groove.

In some embodiments, the power mechanism is a gas spring or a hydraulic spring.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the smoke collecting hood is respectively and rotatably connected with the upper ends of the smoke collecting hood, the lower end of the bracket component is locked or unlocked with the smoke collecting hood, the driving mechanism is configured to drive the smoke collecting hood to rotate through the bracket component, the power mechanism is configured to drive the smoke collecting hood to rotate relative to the bracket component, the structure is simple, the smoke collecting hood can be switched between closing the air inlet and two-stage opening without detaching the smoke collecting hood, and only the smoke collecting hood and the smoke collecting hood are unlocked, so that the smoke collecting hood can be opened to the maximum opening angle under the pushing of the power mechanism, and the cleaning or overhauling of relevant parts on the smoke collecting hood can be realized;

2. through rotating the upper end of drive support and auxiliary stand respectively and connecting album petticoat pipe, the lower extreme of drive support is connected respectively and is drawn together cigarette subassembly and actuating mechanism, and the lower extreme of auxiliary stand is connected and is the angle setting with the drive support for drive support, auxiliary stand and album petticoat pipe form a rigid triangle-shaped structure of rotation jointly, and drive support and auxiliary stand are two independent axis of rotation, promote intensity and stability in the motion process, make to draw together cigarette subassembly and be difficult to sways, operate more steadily.

Drawings

Fig. 1 is a schematic structural view of a range hood according to an embodiment of the present utility model, in which a smoke collecting plate is in a secondary open state;

fig. 2 is a cross-sectional view of the range hood according to the embodiment of the present utility model, in which the smoke collecting plate is in a first-stage opened state;

fig. 3 is a cross-sectional view of a range hood according to an embodiment of the present utility model, in which a smoke collecting plate is in a closed state;

FIG. 4 is a schematic view of the structure of the fume collecting hood according to the embodiment of the present utility model;

FIG. 5 is an enlarged partial view of portion A of FIG. 1;

fig. 6 is a partial enlarged view of the portion B in fig. 1.

In the figure: 1-smoke collecting hood, 11-smoke collecting cavity, 111-cavity bottom surface, 112-left cavity side surface, 113-right cavity side surface, 12-open pore, 131-first notch and 132-second notch; 21-smoke gathering components, 211-smoke gathering plates, 212-fixing frames, 2121-flanging, 213-folding, 22-bracket components, 221-driving brackets, 2210-first shaft sleeves, 2211-accommodating grooves, 2212-limiting parts, 2213-supporting lugs, 2214-hinging seats, 222-rotating shafts, 223-auxiliary brackets, 2230-second shaft sleeves, 23-locking components, 231-movable buckles, 2311-protruding parts, 2312-supporting parts and 232-fixed buckles; 3-driving mechanism, 31-driver, 32-driving rod and 33-fixing seat; 4-power mechanism.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Referring to fig. 1-3, the present embodiment provides a range hood with a panel turnover mechanism, which comprises a fume collecting hood 1, a panel turnover mechanism (not shown in the figure), a driving mechanism 3 and a power mechanism 4, wherein the front surface of the fume collecting hood 1 is provided with an air inlet (not shown in the figure) and an opening 12 positioned outside the air inlet. The panel turnover mechanism comprises a smoke collecting assembly 21 and a bracket assembly 22, wherein the smoke collecting assembly 21 is arranged on the front side of the smoke collecting hood 1 and is rotationally connected with the smoke collecting hood 1, and is used for opening or closing an air inlet; the upper end of the bracket component 22 is rotatably connected with the fume collecting hood 1, and the lower end of the bracket component 22 is locked or unlocked with the fume collecting assembly 21, so that the lower end of the bracket component 22 is detachably connected with the fume collecting assembly 21.

The driving mechanism 3 is arranged in the fume collecting hood 1, penetrates through the opening 12 and is connected with the bracket component 22, and is used for driving the fume collecting component 21 to rotate through the bracket component 22 so as to drive the whole panel turnover mechanism to open and close through the driving mechanism 3, and the opening or closing of the one-stage opening of the fume collecting component 21 is effectively controlled. When the smoke collecting component 21 is locked with the bracket component 22 and the driving mechanism 3 drives the smoke collecting component 21 to open the air inlet through the bracket component 22, the smoke collecting component 21 is in a primary opening state, and refer to fig. 2.

The opposite ends of the power mechanism 4 are respectively connected with the bracket component 22 and the smoke gathering component 21, and are used for pushing the smoke gathering component 21 to rotate relative to the bracket component 22 after the smoke gathering component 21 and the bracket component 22 are unlocked, so as to realize the control of the secondary opening or closing of the smoke gathering component 21. When the smoke gathering assembly 21 is unlocked from the bracket assembly 22, the power mechanism 4 can push the smoke gathering assembly 21 to open to the maximum opening angle, and the smoke gathering assembly 21 is in the secondary opening state, refer to fig. 1.

Referring to fig. 1 and 4, in the present embodiment, the front surface of the smoke collecting hood 1 is provided with a smoke collecting cavity 11 which is concave towards the rear and is open towards the front, the smoke collecting cavity 11 is provided with a cavity bottom surface 111, a left cavity side surface 112 and a right cavity side surface 113 which are oppositely arranged, the cavity bottom surface 111 is fixedly connected between the left cavity side surface 112 and the right cavity side surface 113, and an air inlet is formed on the cavity bottom surface 111. The left cavity side surface 112 and the right cavity side surface 113 are arc surfaces which incline from back to front and face the outside of the smoke collecting cavity 11, and the arc surfaces comprise inclined surfaces, so that the caliber of the smoke collecting cavity 11 gradually increases from back to front, and the oil smoke on the smoke collecting cavity is conveniently guided to the air inlet of the cavity bottom surface 111 through the two cavity side surfaces. The aperture 12 is arranged in a vertical direction and is disposed between the cavity floor 111 and the right cavity side 113, in this embodiment the aperture 12 is configured for movement of a portion of the bracket assembly 22 therethrough.

Referring to fig. 1, the smoke collecting assembly 21 includes a smoke collecting plate 211 and a fixing frame 212, the fixing frame 212 is fixedly connected to the back of the smoke collecting plate 211, the smoke collecting plate 211 is arranged on the front side of the smoke collecting cover 1, the upper end of the smoke collecting plate is rotatably connected with the smoke collecting cover 1, and the smoke collecting plate 211 is configured to open or close the air inlet and the smoke collecting cavity 11. The lower end of the bracket assembly 22 is locked or unlocked with the fixing frame 212 such that the lower end of the bracket assembly 22 is detachably coupled to the fixing frame 212. Opposite ends of the power mechanism 4 are hinged to the bracket assembly 22 and the mount 212, respectively. In addition, the smoke collecting assembly 21 further comprises two hinges 213, and the left side and the right side of the upper end of the smoke collecting plate 211 are rotatably connected with the front side or the front upper end of the top of the smoke collecting hood 1 through the two hinges 213, so that the smoke collecting plate 211 is stably and reliably rotatably connected with the smoke collecting hood 1 through the two hinges 213.

Referring to fig. 5-6, in the present embodiment, the fixing frame 212 is adhesively connected to the back surface of the smoke gathering plate 211, and a flange 2121 extending toward a direction away from the smoke gathering plate 211 is integrally formed on a side of the fixing frame 212 near the power mechanism 4, where the flange 2121 is configured to hinge with an end of the power mechanism 4 near the smoke gathering plate 211.

Referring to fig. 1-2, the bracket assembly 22 comprises a driving bracket 221, wherein the upper end of the driving bracket 221 is rotatably connected with the fume collecting hood 1, and the lower end of the driving bracket 221 is locked or unlocked with the fixing bracket 212 in the fume collecting assembly 21. In the present embodiment, the driving bracket 221 is provided with a receiving groove 2211 that is open towards the smoke collecting assembly 21, the receiving groove 2211 is shaped like a ship groove, and is configured to be capable of receiving the power mechanism 4, a hinge seat 2214 is fixedly arranged on the upper end of the bottom surface of the receiving groove 2211, and the hinge seat 2214 is configured to be used for hinging one end of the power mechanism 4 away from the smoke collecting assembly 21.

In addition, a first shaft sleeve 2210 for rotatably connecting the fume collecting hood 1 is provided at the upper end of the driving bracket 221; a limiting part 2212 positioned in the accommodating groove 2211 is arranged at the lower end of the driving support 221, and two opposite ends of the limiting part 2212 are respectively integrally formed with two opposite groove walls of the accommodating groove 2211; a lug 2213 for extending in the direction of the opening 12 is provided on the rear side of the drive support 221, which lug 2213 is configured for articulating the drive mechanism 3.

Referring to fig. 1-2, the bracket assembly 22 further includes a rotating shaft 222, wherein the rotating shaft 222 is transversely disposed in the fume collecting hood 1 and is disposed near the front upper corner of the fume collecting hood 1, and at least one end of the rotating shaft 222 is matched with the hinge 213 disposed near the rotating shaft to realize reliable installation of the rotating shaft 222 inside the fume collecting hood 1 through the hinge 213, thereby improving the utilization rate of the hinge 213. Of course, at least one end of the rotary shaft 222 may be mounted and fixed inside the fume collecting hood 1 through the rotary shaft fixing seat, so that the rotary shaft 222 may be reliably mounted inside the fume collecting hood 1 without the aid of the hinge 213.

The fume collecting hood 1 is provided with a first gap 131 above the air inlet at a position corresponding to the rotating shaft 222, and the first gap 131 is communicated with the upper end of the opening 12, as shown in fig. 4. The first shaft sleeve 2210 at the upper end of the driving support 221 is rotatably disposed at the first gap 131 and sleeved outside the rotating shaft 222, referring to fig. 1-2, so that the upper end of the driving support 221 is reliably rotatably connected with the fume collecting hood 1 through the sleeved first shaft sleeve 2210 and the rotating shaft 222.

Referring to fig. 1, the bracket assembly 22 further includes an auxiliary bracket 223, and the upper end of the auxiliary bracket 223 is rotatably connected to the hood 1, and the lower end is connected to the driving bracket 221 and is disposed at an angle. Therefore, the driving support 221, the auxiliary support 223 and the smoke collecting cover 1 jointly form a rigid rotary triangle structure, the driving support 221 and the auxiliary support 223 are two independent rotary shafts, and the strength and stability of the whole panel turnover mechanism in the moving process are improved, so that the smoke collecting assembly 21 is not easy to swing during opening and closing movement, and the operation is stable.

The position department that album petticoat pipe 1 corresponds pivot 222 is equipped with the second breach 132 that is located the air intake top, and the one end that auxiliary support 223 kept away from drive support 221 is equipped with second axle sleeve 2230, and this second axle sleeve 2230 rotationally sets up in second breach 132 department and suit is outside pivot 222 to realize through second axle sleeve 2230 and pivot 222 that cup joints mutually, make auxiliary support 223 upper end reliably rotate and connect album petticoat pipe 1, it is visible that drive support 221, auxiliary support 223 and set up the rotation triangle-shaped structure of forming a rigidity in album of petticoat pipe 1 in the joint of pivot 222. Optionally, in order to strengthen the strength of the auxiliary support 223, profiling disposed along the length direction thereof is provided on the auxiliary support 223.

Referring to fig. 1-3 and fig. 5-6, the panel turnover mechanism further comprises a latch assembly 23, and the bracket assembly 22 and the back of the smoke gathering assembly 21 are locked or unlocked by the latch assembly 23, alternatively, the lower end of the driving bracket 221 or the auxiliary bracket 223 can be locked or unlocked with the smoke gathering plate 211 or the fixing frame 212 by the latch assembly 23. When the smoke gathering plate 211 is pulled down to close the secondary opening, the lower end of the smoke gathering component 21 is locked with the bracket component 22 through the lock catch component 23, at this time, the power mechanism 4 is configured to be hidden in the accommodating groove 2211 of the driving bracket 221, and the driving mechanism 3 can drive the smoke gathering component 21 to open and close through the bracket component 22 so as to realize the opening or closing of the primary opening; when the upper drawing-up plate 211 is pulled up to unlock the drawing-up assembly 21 and the bracket assembly 22, one end of the power mechanism 4, which is close to the drawing-up assembly 21, extends out of the accommodating groove 2211 of the driving bracket 221, so that the drawing-up assembly 21 is kept in a secondary opening state under the pushing of the power mechanism 4.

In this embodiment, the latch assembly 23 includes a movable buckle 231 and a fixed buckle 232 that are engaged with each other, the back of the smoke collecting assembly 21 is provided with the fixed buckle 232 extending toward the support assembly 22, and the driving support 221 on the support assembly 22 is provided with the movable buckle 231 corresponding to the fixed buckle 232. In other embodiments, the mounting positions of the movable buckle 231 and the fixed buckle 232 may be interchanged, that is, the movable buckle 231 extending toward the support assembly 22 is provided on the back of the smoke collecting assembly 21, and the fixed buckle 232 is provided at the position of the support assembly 22 corresponding to the movable buckle 231. Specifically, an engagement groove adapted to be hooked with the fixing buckle 232 may be provided in the movable buckle 231.

Referring to fig. 6, the movable buckle 231 is a positive hook, which is disposed in the accommodating groove 2211 of the driving bracket 221 and is fixedly connected to the bottom surface of the accommodating groove 2211, and the limiting portion 2212 on the driving bracket 221 tightly presses the movable buckle 2312 to the bottom surface of the accommodating groove 2211, so as to realize the upper limit of the movable buckle 231 by the limiting portion 2212. In addition, an upward extending protrusion 2311 is integrally formed on the front side of the top of the movable buckle 231, and the protrusion 2311 is located on the front side of the limit part 2212 and abuts against the limit part 2212, referring to fig. 6; the support portion 2312 continuing forward is integrally formed on the front side of the movable buckle 231, the support portion 2312 comprises a transverse section and a vertical section, the transverse section is connected with or abuts against the bottom surface of the accommodating groove 2211, the vertical section is integrally formed with the front side wall of the movable buckle 231, the lower end of the vertical section is fixedly connected with the rear end of the transverse section and is arranged at an acute angle, and the movable buckle 231 is stably and reliably installed in the accommodating groove through the support portion 2312.

Referring to fig. 5, the fixing buckle 232 is an inverted hook, and an upper end of the inverted hook is adhered or welded to the back surface of the smoke collecting plate 211 and is arranged near the fixing frame 212, and a step (not shown) is arranged on one side of the fixing buckle 232 near the fixing frame 212, and the step presses the edge of the fixing frame 212 near the fixing frame to the back surface of the smoke collecting plate.

Referring to fig. 1-2, the driving mechanism 3 comprises a driver 31 and a transmission rod 32, the transmission rod 32 penetrates through the opening 12, the driver 31 is arranged in the fume collecting hood 1 and fixedly connected to the bottom of the fume collecting hood 1, and the output end of the driver 31 is connected with a support lug 2213 on the back of the driving support 221 through the transmission rod 32. In this embodiment, the driving mechanism 3 further includes a fixing seat 33, the fixing seat is disposed in the fume collecting hood 1, and the driver 31 is connected and fixed with the bottom of the fume collecting hood 1 through the fixing seat. Therefore, through the connected transmission rod 32 and the driving support 221, the output end of the driver 31 is reliably in transmission connection with the smoke gathering component 21, the driver 31 is ensured to drive the smoke gathering component 21 to realize one-stage opening or closing, and when the driver 31 drives the smoke gathering component 21 to close the one-stage opening, the rear end of the driving support 221 penetrates through the opening 12, as shown in fig. 3.

Referring to fig. 1-2, the power mechanism 4 is a gas spring or a hydraulic spring, the upper end of the power mechanism is inserted into the accommodating groove 221 extending into the driving bracket 221 and is hinged with the hinge seat 2214, the lower end of the power mechanism 4 is hinged with the flanging 2121 on the fixing frame 212, the lower end of the power mechanism 4 can move between the retracted accommodating groove 2211 and the extended accommodating groove, after the smoke gathering assembly 21 is unlocked from the driving bracket 221, the gas spring or the hydraulic spring can be used for pushing the smoke gathering assembly 21 to be opened at the second level and maintained at the maximum opening angle, and cleaning or overhauling of relevant parts on the rear side of the smoke gathering assembly 21 is facilitated.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (11)

1. A range hood with a flap mechanism, comprising:

the fume collecting hood (1) is provided with an air inlet and an opening (12) positioned at the outer side of the air inlet;

the flap mechanism comprises a smoke collecting component (21) and a support component (22), the support component (22) comprises a driving support (221) and an auxiliary support (223), one end of the driving support (221) is rotationally connected with the smoke collecting cover (1), one end of the auxiliary support (223) is rotationally connected with the smoke collecting cover (1), the other end of the auxiliary support is connected with the driving support (221) and is arranged in an angle, the smoke collecting component (21) is rotationally connected with the smoke collecting cover (1) and is used for opening or closing the air inlet, and the smoke collecting component (21) is connected with the other end of the driving support (221) or the auxiliary support (223);

the driving mechanism (3) is arranged in the fume collecting hood (1), penetrates through the opening (12) and is connected with the bracket component (22), and is used for driving the fume collecting component (21) to rotate through the bracket component (22).

2. The range hood with the panel turnover mechanism according to claim 1, further comprising a latch assembly (23), wherein the driving bracket (221) or the auxiliary bracket (223) is locked or unlocked with the back of the smoke gathering assembly (21) through the latch assembly (23).

3. The range hood with the panel turnover mechanism according to claim 2, wherein the lock catch assembly (23) comprises a movable buckle (231) and a fixed buckle (232) which are clamped in a matching way, the fixed buckle (232) extending towards the driving bracket (221) is arranged on the back of the smoke gathering assembly (21), and the movable buckle (231) is arranged at the position of the driving bracket (221) corresponding to the fixed buckle (232);

or, the back of the smoke gathering assembly (21) is provided with the movable buckle (231) extending towards the direction of the driving support (221), and the position of the driving support (221) corresponding to the movable buckle (231) is provided with the fixed buckle (232).

4. A range hood with a panel turnover mechanism according to claim 3, wherein the movable buckle (231) is disposed in a receiving groove (2211) of the driving bracket (221), the driving bracket (221) is provided with a limiting part (2212) located above the movable buckle (231), and the limiting part (2212) tightly presses the movable buckle (231) on the bottom surface of the receiving groove (2211).

5. The range hood with the panel turnover mechanism according to claim 1, wherein the bracket assembly (22) further comprises a rotating shaft (222), the rotating shaft (222) is arranged in the fume collecting hood (1), the fume collecting hood (1) is provided with a first notch (131) above the air inlet, and the upper end of the driving bracket (221) is rotatably arranged at the first notch (131) and sleeved outside the rotating shaft (222).

6. The range hood with the panel turnover mechanism according to claim 1 or 5, wherein the fume collecting hood (1) is provided with a second notch (132) above the air inlet, and one end of the auxiliary bracket (223) away from the driving bracket (221) is rotatably arranged at the second notch (132) and sleeved outside the rotating shaft (222).

7. The range hood with the panel turnover mechanism according to claim 1 or 2, wherein the smoke collecting assembly (21) comprises a smoke collecting plate (211) and a fixing frame (212), the smoke collecting plate (211) is rotatably connected with the smoke collecting cover (1) and used for opening or closing the air inlet, the fixing frame (212) is fixedly connected to the back surface of the smoke collecting plate (211), and the bracket assembly (22) and the fixing frame (212) are locked or unlocked through a lock catch assembly (23).

8. The range hood with the panel turnover mechanism according to claim 1, wherein the driving mechanism (3) comprises a driver (31) and a transmission rod (32), a support lug (2213) extending towards the direction of the opening (12) is arranged on the back of the driving support (221), the transmission rod (32) penetrates through the opening (12), the driver (31) is arranged in the fume collecting hood (1), and the output end of the driver (31) is connected with the support lug (2213) through the transmission rod (32).

9. The range hood with the panel turnover mechanism according to claim 1 or 2, further comprising a power mechanism (4), wherein opposite ends of the power mechanism (4) are respectively connected with the driving bracket (221) and the smoke gathering assembly (21), and the power mechanism is used for pushing the smoke gathering assembly (21) to rotate relative to the driving bracket (221) after the smoke gathering assembly (21) is separated from the driving bracket (221).

10. The range hood with the panel turnover mechanism according to claim 9, wherein the driving bracket (221) is provided with a containing groove (2211) which is opened towards the smoke collecting assembly (21), one end of the power mechanism (4) stretches into the containing groove (2211) and is hinged with the driving bracket (221), and the other end of the power mechanism can move between retracting into the containing groove (2211) and stretching out of the containing groove (2211).

11. A range hood with a flap mechanism according to claim 9, characterized in that the power mechanism (4) is a gas spring or a hydraulic spring.