CN217383048U

CN217383048U - Smoke exhaust ventilator

Info

Publication number: CN217383048U
Application number: CN202123400170.3U
Authority: CN
Inventors: 谭柏豪; 肖伟; 梁之博; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-06
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a range hood. The range hood comprises a shell, a panel lining plate, a horizontal pushing and overturning mechanism, an elastic device and a power device. A front opening of the housing; the panel lining plate is movably arranged at the front opening of the shell; the horizontal pushing turnover mechanism is connected with the panel lining plate and the inner side of the shell and pushes the panel lining plate to move horizontally or turn over so as to open or close the front opening; the elastic device is arranged on the horizontal pushing and overturning mechanism so as to realize that the horizontal pushing and overturning are carried out firstly when the panel lining plate is opened and the horizontal pushing is carried out after the overturning is carried out firstly when the panel lining plate is closed; and the power device is arranged on the side plate of the shell and connected with the panel lining plate to provide power for the horizontal pushing and the overturning of the panel lining plate. The range hood can horizontally push and turn over through the range hood, when the panel lining plate is opened, the range hood is horizontally pushed and then turned over, and when the panel lining plate is closed, the range hood is horizontally pushed after being turned over. And the spring is used for controlling the sequence of the two motion modes of horizontal pushing and overturning.

Description

Smoke exhaust ventilator

Technical Field

The utility model relates to a kitchen utensil field, in particular to range hood.

Background

The existing range hood mainly comprises two categories of top suction and side suction according to appearance forms. Wherein the hanging machine of the top smoking machine has higher height and larger operation space. However, the distance between the air inlet of the range hood and the cooker is large, so that the phenomenon of oil smoke overflow is easily caused at the instant of frying. The existing top-suction range hood mostly adopts the modes of a deep cavity, a smoke collecting plate, an air curtain, a butterfly wing plate and the like to improve the smoke control capability and reduce the overflow of oil smoke.

To having the whole overall dimension of part cigarette machine to match with the cupboard on the market at present, especially cigarette machine thickness does not stand out the cupboard front side, prevents that the cigarette machine front side from bumping the head, but cigarette machine thickness can influence the holistic smoking effect of cigarette machine, in order to compensate the cigarette machine that thickness is little, generally can increase the flap mechanism in the cigarette machine front side, opens the back when the opening-closing plate, and negative pressure zone expands forward and the reinforcing is gathered together cigarette effect.

In order to enhance the smoking effect of the range hood, the distance between the air inlet of the range hood and the cooking bench is close, the range hood enters the range hood before oil smoke diffuses around, but the cooking operation of a user is directly influenced when the range hood is hung too low. In addition the whole width of cigarette machine increases the air intake grow, but the grow is also followed to the panel volume that opens and shuts in cigarette machine the place ahead, and the self weight grow of panel promptly, under the state that the panel normally opened or closed, drive assembly need transmit the other end with moment from panel one end, when the distance of transmission both ends is big, causes driven side moment little easily, starts scheduling problem slowly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a range hood, this range hood can push away the compound motion that tilting mechanism is constituteed with the upset through the cigarette machine tie, when the panel welt is opened, earlier tie and push away the back upset, when the panel welt is closed, earlier upset back tie pushes away. And the spring is used for controlling the sequence of the two motion modes of horizontal pushing and overturning.

For realizing the purpose of the utility model, the utility model adopts the following technical proposal:

according to an aspect of the utility model, a range hood is provided and is included casing, panel welt, flat push tilting mechanism, resilient means and power device. A front opening of the housing; the panel lining plate is movably arranged at the front opening of the shell; the horizontal pushing and overturning mechanism is connected with the panel lining plate and the inner side of the shell and pushes the panel lining plate to move horizontally or overturn so as to open or close the front opening; the elastic device is arranged on the horizontal pushing and overturning mechanism so as to realize that the panel lining plate is firstly horizontally pushed and then overturned when opened and is firstly overturned and then horizontally pushed when closed; and the power device is arranged on the side plate of the shell and connected with the panel lining plate to provide power for the horizontal pushing and the overturning of the panel lining plate.

According to the utility model discloses an embodiment, wherein, the casing includes first curb plate (11) and the second curb plate that the symmetry set up, the panel welt set up in first curb plate with between the second curb plate in order to seal when closed the front opening of casing.

According to an embodiment of the present invention, the horizontal pushing and turning mechanism comprises a first horizontal pushing and turning part, a second horizontal pushing and turning part and an oil baffle plate. One end of the first flat pushing turnover part is connected to the first side plate, and the other end of the first flat pushing turnover part is connected to the panel lining plate; one end of the second horizontal pushing and overturning part is connected to the second side plate, and the other end of the second horizontal pushing and overturning part is connected to the panel lining plate; and two ends of the oil baffle plate are respectively connected to the first horizontal pushing and overturning part and the second horizontal pushing and overturning part and are used for keeping the first horizontal pushing and overturning part and the second horizontal pushing and overturning part to move synchronously.

According to the utility model discloses an embodiment, wherein, first flat push upset portion includes first support, a slide rail set spare, firstly hangs board and first panel support. The first bracket is fixedly connected to the first side plate; the first sliding rail assembly comprises a first sliding rail outer rail and a first sliding rail inner rail sleeved inside the first sliding rail outer rail, and the first sliding rail outer rail is fixedly connected to the first support; the upper end of the first suspension plate is arranged on the first sliding rail inner rail; and one end of the first panel bracket is arranged at the inner side of the panel lining plate, and the other end of the first panel bracket is rotatably connected with the first suspension plate.

According to the utility model discloses an embodiment, wherein, first flat push upset portion still includes first pivot screw, first panel support passes through first pivot screw connect in first hang the board, first pivot screw does the rotatory axle center of first panel support.

According to the utility model discloses an embodiment, wherein, the second translation upset portion includes that second support, second slide rail set spare, second hang board and second panel support. The second bracket is fixedly connected to the second side plate; the second slide rail assembly comprises a second slide rail outer rail and a second slide rail inner rail sleeved in the second slide rail outer rail, and the second slide rail outer rail is fixedly connected to the second support; the upper end of the second suspension plate is arranged on the second sliding rail inner rail; and one end of the second panel bracket is arranged on the inner side of the panel lining plate, and the other end of the second panel bracket is rotatably connected to the second suspension plate.

According to the utility model discloses an embodiment, wherein, the second pushes away upset portion still includes second pivot screw, the second panel support passes through second pivot screw connect in the second hangs the board, second pivot screw does the rotatory axle center of second panel support.

According to the utility model discloses an embodiment, wherein, the fender oil board set up in first panel support with the upper portion of second panel support is sealed first panel support with the headspace of second panel support.

According to an embodiment of the present invention, the elastic device is a spring, one end of the spring is fixedly connected to the oil baffle, and the other end of the spring is fixedly connected to the first panel bracket; when the panel lining plate is opened, the flat push resistance of the panel lining plate is smaller than the turning resistance and turns over after flat push, and when the panel lining plate is closed, the flat push resistance of the panel lining plate is larger than the turning resistance and turns over before flat push.

According to the utility model discloses an embodiment, wherein, power device includes support frame, push rod subassembly, motor and push rod support, wherein, the support frame rigid coupling in the inboard of panel welt, but push rod subassembly's one end swivelling joint the support frame other end is connected the motor just passes through push rod support mounting in first curb plate.

The utility model provides an embodiment has following advantage or beneficial effect:

the utility model discloses a range hood includes casing, panel welt, flat push tilting mechanism, resilient means and power device. The panel lining plate can be opened and closed through the flat push turnover mechanism, so that the front and back depth of the range hood is increased, and the smoke collection effect is enhanced. The oil baffle plate increases the synchronism of the horizontal pushing and overturning mechanism. The horizontal pushing and overturning mechanism is connected with the panel lining plate and the inner side of the shell to push the panel lining plate to horizontally move or overturn. The elastic device is arranged on the horizontal pushing and overturning mechanism so as to realize that the panel lining plate is firstly horizontally pushed and then overturned when opened and is firstly overturned and then horizontally pushed when closed.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is an exploded view of a range hood according to an exemplary embodiment.

Figure 2 is a side view of a range hood according to one illustrated embodiment.

Wherein the reference numerals are as follows:

1. a housing; 11. a first side plate; 12. a second side plate; 2. a panel liner; 3. horizontally pushing and overturning the mechanism; 31. a first flat push turning part; 311. a first bracket; 312. a first slide rail assembly; 313. a first suspension plate; 314. a first panel support; 315. a first spindle screw; 32. a second translational flip section; 321. A second bracket; 322. a second slide rail assembly; 323. a second suspension plate; 324. a second panel support; 325. a second spindle screw; 33. an oil baffle plate; 4. an elastic device; 5. a power plant; 51. a support frame; 52. a push rod assembly; 53. a motor; 54. a push rod support; 6. and (4) a bolt.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to fig. 2, fig. 1 shows an exploded view of a range hood provided by the present invention. Fig. 2 shows a side view of a range hood provided by the present invention.

The utility model discloses range hood of embodiment includes casing 1, panel welt 2, flat push tilting mechanism 3, resilient means 4 and power device 5. The front of the housing 1 is open; the panel lining plate 2 is movably arranged at the front opening of the shell 1; the horizontal pushing and overturning mechanism 3 is connected with the panel lining plate 2 and the inner side of the shell and pushes the panel lining plate 2 to move horizontally or overturn so as to open or close the front opening; the elastic device 4 is arranged on the horizontal pushing and overturning mechanism 3 to realize horizontal pushing and overturning at first when the panel lining plate 2 is opened and horizontal pushing at first when the panel lining plate 2 is closed; and the power device 5 is arranged on the side plate of the shell and connected with the panel lining plate 2 to provide power for the horizontal pushing and the overturning of the panel lining plate 2.

The whole range hood is in a shape of a wall-embedded range hood, and the range hood has a small front-back depth close to a shell of a kitchen range top, so that the case 1 can be prevented from protruding out of a cabinet due to too large size to cause head collision risk. The interior of the smoke machine box body is provided with an air cabinet, and the top of the box body is provided with an air outlet seat which is matched with the air cabinet in the box body. The front position of the box body is provided with a panel lining plate 2 which can be freely rotated to open and close, and the rear side of the panel lining plate 2 is provided with an air inlet. When the panel lining plate 2 is opened, the air inlet is turned out to the outer side of the range hood along with the panel lining plate, the position of the air inlet corresponds to that of oil smoke below the range hood, and the oil smoke in the cooking process directly enters the range hood through the air inlet after rising. After panel welt 2 closed, the air intake was taken in to cigarette machine casing 1, prevented that the oil drop of air intake department from dropping on the kitchen mesa, and promoted the wholeness of cigarette machine. The horizontal pushing and overturning mechanism 3 is arranged on the inner side of the shell 1 and connected to the panel lining plate 2. The flat-pushing turnover mechanism 3 and the elastic device 4 can firstly horizontally push and then turn over the panel lining plate 2 when the flat-pushing turnover mechanism 3 opens the panel lining plate 2, and then horizontally push and then turn over the panel lining plate 2 when the panel lining plate 2 is closed.

In a preferred embodiment of the present invention, the casing 1 comprises a first side plate 11 and a second side plate 12 which are symmetrically arranged, and the panel liner 2 is disposed between the first side plate 11 and the second side plate 12 to close the front opening of the casing 1 when closed.

As shown in fig. 1 and 2, the housing is a 1-bit rectangular housing. Is enclosed by a first side plate 11, a second side plate 12, an upper cover plate, a bottom plate and a back plate. The front of the housing 1 is open and closed without a plate.

In a preferred embodiment of the present invention, the flat push turning mechanism 3 includes a first flat push turning part 31, a second flat push turning part 32, and an oil baffle 33. One end of the first flat-pushing overturning part 31 is connected to the first side plate 11, and the other end is connected to the panel lining plate 2; one end of the second flat pushing and overturning part 32 is connected to the second side plate 12, and the other end is connected to the panel lining plate 2; and both ends of the oil baffle plate 33 are respectively connected to the first flat push overturning part 31 and the second flat push overturning part 32 for keeping the first flat push overturning part 31 and the second flat push overturning part 32 move synchronously.

As shown in fig. 1 and 2, the first flat flip part 31 and the second flat flip part 32 are symmetrically disposed on the left and right sides of the housing 1, respectively. The oil baffle plate 33 is fixedly connected to the upper sides of the first flat-push overturning part 31 and the second flat-push overturning part 32, and the synchronism of the first flat-push overturning part 31 and the second flat-push overturning part 32 is kept in the process that the first flat-push overturning part 31 and the second flat-push overturning part 32 push the panel lining plate 2 to move.

In a preferred embodiment of the present invention, the first flatwise overturn unit 31 includes a first bracket 311, a first slide rail assembly 312, a first suspension plate 313 and a first panel bracket 314. The first bracket 311 is fixedly connected to the first side plate 11; the first slide rail assembly 312 includes a first slide rail outer rail and a first slide rail inner rail sleeved inside the first slide rail outer rail, and the first slide rail outer rail is fixedly connected to the first support 311; the upper end of the first hanging plate 313 is arranged on the first sliding rail inner rail; and the first panel bracket 314 has one end installed at the inner side of the panel liner 2 and the other end rotatably connected to the first hanging plate 313.

As shown in fig. 1 and 2, a first bracket 311 is mounted to an upper portion of the first side plate 11 for supporting components connected thereto. The first slide rail outer rail is mounted on the first bracket 311, and the first slide rail inner rail can be extended and retracted in the length direction of the first bracket 311. The upper end of the first hanging plate 313 is mounted on the first slide rail inner rail, and the upper end of the first hanging plate 313 is matched with holes above two sides of the first panel bracket 314 through a connecting hole at the top of the front part.

In a preferred embodiment of the present invention, the first flat flip part 31 further includes a first pivot screw 315, the first panel bracket 314 is connected to the first suspension plate 313 through the first pivot screw 315, and the first pivot screw 315 is a rotation axis of the first panel bracket 314.

As shown in fig. 1 and 2, coupling holes are symmetrically formed in the first hanging plate 313 and the first panel bracket 314, and a first rotation axis screw 315 is inserted into the coupling holes so that the first panel bracket 314 can be freely turned around the center of the rotation axis. The center of the shaft is the first shaft screw 315.

In a preferred embodiment of the present invention, the second flatly overturned portion 32 includes a second bracket 321, a second slide rail assembly 322, a second suspension plate 323 and a second panel bracket 324. The second bracket 321 is fixedly connected to the second side plate 12; the second slide rail assembly 322 includes a second slide rail outer rail and a second slide rail inner rail sleeved inside the second slide rail outer rail, and the second slide rail outer rail is fixedly connected to the second support 321; the upper end of the second suspension plate 323 is mounted on the second slide rail inner rail; and the second panel bracket 324 has one end installed at the inner side of the panel liner 2 and the other end rotatably connected to the second hanging plate 323.

As shown in fig. 1 and 2, a second supporter 321 is mounted to an upper portion of the second side plate 12 for supporting components connected thereto. The second sliding rail outer rail is mounted on the second support 321, and the second sliding rail inner rail can be extended and retracted in the length direction of the second support 321. The upper end of the second suspension plate 323 is mounted on the second slide rail inner rail, and the two are paired with holes above the two sides of the second panel bracket 324 through a connecting hole at the top of the front.

In a preferred embodiment of the present invention, the second translational overturn portion 32 further includes a second rotation shaft screw 325, the second panel bracket 324 is connected to the second suspension plate 323 through the second rotation shaft screw 325, and the second rotation shaft screw 325 is a rotation axis of the second panel bracket 324.

As shown in fig. 1 and 2, coupling holes are symmetrically formed in the second suspension plate 323 and the second panel bracket 324, and a second rotation shaft screw 325 is inserted into the coupling holes, so that the second panel bracket 324 can be freely turned around the center of the rotation shaft. The shaft center is the second shaft screw 325.

In a preferred embodiment of the present invention, the oil deflector 33 is disposed on the upper portions of the first and

second panel brackets

314 and 324 and seals the upper spaces of the first and

second panel brackets

314 and 324.

As shown in fig. 1 and 2, the oil deflector 33 functions to seal the upper spaces of the first panel bracket 314 and the second panel bracket 324 and prevent the upward escape of the soot, in addition to synchronizing the first flat-push turnover part 31 and the second flat-push turnover part 32.

In a preferred embodiment of the present invention, the elastic device 4 is a spring, one end of the spring is fixed to the oil baffle 33, the other end of the spring is fixed to the first panel bracket 314, when the panel lining board 2 is opened, the flat pushing resistance of the panel lining board 2 is smaller than the turning resistance and turns after first flat pushing, when the panel lining board 2 is closed, the flat pushing resistance of the panel lining board 2 is larger than the turning resistance and turns after first turning.

As shown in fig. 1 and 2, in order to ensure the consistency of the sequence of the two motion states of horizontal pushing and turning, an extension spring is arranged between the oil baffle plate 33 on one side of the mechanism and the first panel bracket 314 in the scheme. The panel liner 2 needs to overcome the spring force when being turned over and opened. The spring follows the first slide rail assembly 312 to move back and forth. Namely, the horizontal pushing resistance is far smaller than the turning resistance, so that the panel can be turned after being horizontally pushed when being opened.

When the panel lining plate 2 is closed, the spring tends to be recycled, so after the first flat pushing turnover part 31 is recycled, the panel lining plate 2 is turned over downwards due to the fact that turnover kinetic energy is far greater than flat pushing kinetic energy under the elastic potential energy of the spring, until the panel lining plate 2 reaches a limit position, the first flat pushing turnover part 31 continues to be recycled, and the first sliding rail component 312 drives the panel lining plate 2 to move backwards until the panel lining plate 2 is completely closed. The panel lining plate 2 can be overturned firstly and then pushed horizontally when closed, and the panel lining plate 2 is prevented from interfering with the front top of the shell 1 when being recovered in an inclined state.

In a preferred embodiment of the present invention, the power device 5 comprises a support frame 51, a push rod assembly 52, a motor 53 and a push rod support 54, wherein the support frame 51 is fixedly connected to the inner side of the panel lining board 2, one end of the push rod assembly 52 is rotatably connected to the support frame 51, and the other end is connected to the motor 53 and is mounted on the first side plate 11 through the push rod support 54.

As shown in fig. 1 and 2, the push rod assembly 52 is an electrical push rod. Driven by a motor to reciprocate. The push rod assembly 52 is a driving element, and the push rod supporter 54 is installed at a rear side position of the first supporter 311 and is connected with the motor end through hole through a connection hole of the surface, and the connection position is fixed using the latch 6. The first panel bracket 314 is provided with a support frame 51 at the rear of one side of the push rod assembly 52, and the push rod is extended or retracted by connecting the connecting hole on the support frame 51 with the through hole at the front end of the push rod assembly 52, so as to drive the panel lining plate 2 to move.

The utility model discloses a range hood opens as far as possible for making panel welt 2 that opens and shuts, makes the oil smoke get into range hood more easily, adopts the mode realization open mode that panel welt 2 upsets and flat push in this scheme, compares panel welt 2 and opens alone, can reduce motor output.

The utility model discloses in combine two kinds of upsets to add the motion form that the flat pushes away, utilize cigarette machine self form, design one kind and can realize the flat complex motion mechanism who pushes away with the upset, the flat pushes away and the respective motion range of upset reduces, but makes up the rear panel welt 2 and opens the range and increase. Meanwhile, the running sequence of the two mechanisms is adjusted by utilizing the different resistances of the two mechanisms.

Because the panel lining plate 2 is restrained by the first sliding rail component 312 and the second sliding rail component 322 to realize horizontal pushing movement, and is restrained by the first rotating shaft screw 315 and the second rotating shaft screw 325 to realize overturning movement, when the push rod extends out, the panel lining plate 2 is opened, is horizontally pushed forwards and overturns, and finally, a completely opened state is achieved.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A range hood, characterized by comprising:

a housing (1), a front of the housing (1) being open;

the panel lining plate (2) is movably arranged at the front opening of the shell (1);

the horizontal pushing turnover mechanism (3) is connected with the panel lining plate (2) and the inner side of the shell and pushes the panel lining plate (2) to translate or turn so as to open or close the front opening; and

the elastic device (4) is arranged on the horizontal pushing and overturning mechanism (3) and is used for firstly horizontally pushing and then overturning when the panel lining plate (2) is opened and firstly overturning and then horizontally pushing when the panel lining plate (2) is closed; and

and the power device (5) is arranged on the side plate of the shell and connected with the panel lining plate (2) to provide power for the horizontal pushing and the overturning of the panel lining plate (2).

2. The range hood according to claim 1, wherein the housing (1) comprises a first side plate (11) and a second side plate (12) which are symmetrically arranged, and the panel liner (2) is arranged between the first side plate (11) and the second side plate (12) to close the front opening of the housing (1) when closed.

3. The extractor hood according to claim 2, characterized in that said flat-push overturning mechanism (3) comprises:

a first flat push turnover part (31) with one end connected to the first side plate (11) and the other end connected to the panel lining plate (2);

a second flat push-out turn-over part (32) having one end connected to the second side plate (12) and the other end connected to the panel liner (2); and

and two ends of the oil baffle plate (33) are respectively connected to the first horizontal pushing and overturning part (31) and the second horizontal pushing and overturning part (32).

4. The range hood according to claim 3, wherein the first flat flip part (31) comprises:

a first bracket (311) fixedly connected to the first side plate (11);

the first sliding rail assembly (312) comprises a first sliding rail outer rail and a first sliding rail inner rail sleeved in the first sliding rail outer rail, and the first sliding rail outer rail is fixedly connected to the first support (311);

the upper end of the first hanging plate (313) is mounted on the first sliding rail inner rail; and

and the first panel bracket (314) is arranged at the inner side of the panel lining plate (2) at one end, and the other end of the first panel bracket is rotatably connected to the first hanging plate (313).

5. The range hood according to claim 4, wherein the first flat-push overturning portion (31) further comprises a first rotating shaft screw (315), the first panel bracket (314) is connected to the first suspension plate (313) through the first rotating shaft screw (315), and the first rotating shaft screw (315) is a rotating shaft center of the first panel bracket (314).

6. The extractor hood according to claim 4, wherein the second flat flip part (32) comprises:

a second bracket (321) fixedly connected to the second side plate (12);

the second sliding rail assembly (322) comprises a second sliding rail outer rail and a second sliding rail inner rail sleeved inside the second sliding rail outer rail, and the first sliding rail outer rail is fixedly connected to the second support (321);

the upper end of the second suspension plate (323) is mounted on the second slide rail inner rail; and

and a second panel bracket (324) having one end mounted to the inner side of the panel liner (2) and the other end rotatably connected to the second hanging plate (323).

7. The range hood according to claim 6, wherein the second flat flip part (32) further comprises a second spindle screw (325), the second panel bracket (324) is connected to the second suspension plate (323) by the second spindle screw (325), and the second spindle screw (325) is a rotation axis of the second panel bracket (324).

8. The range hood according to claim 6, wherein the oil baffle plate (33) is disposed at an upper portion of the first panel bracket (314) and the second panel bracket (324) and seals an upper space of the first panel bracket (314) and the second panel bracket (324).

9. The range hood according to claim 8, wherein the elastic device (4) is a spring, one end of the spring is fixedly connected to the oil baffle plate (33), and the other end of the spring is fixedly connected to the first panel bracket (314); when the panel lining plate (2) is opened, the horizontal pushing resistance of the panel lining plate (2) is smaller than the overturning resistance, and when the panel lining plate (2) is closed, the horizontal pushing resistance of the panel lining plate (2) is larger than the overturning resistance.

10. The range hood according to claim 2, wherein the power device (5) comprises a support frame (51), a push rod assembly (52), a motor (53) and a push rod bracket (54), wherein the support frame (51) is fixedly connected to the inner side of the panel lining plate (2), one end of the push rod assembly (52) is rotatably connected to the support frame (51), and the other end of the push rod assembly is connected to the motor (53) and is mounted on the first side plate (11) through the push rod bracket (54).