CN110043933B

CN110043933B - Fume exhauster

Info

Publication number: CN110043933B
Application number: CN201910298115.6A
Authority: CN
Inventors: 徐梦玲; 朱学江; 徐敬龙
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2024-01-16
Anticipated expiration: 2039-04-15
Also published as: CN110043933A

Abstract

The utility model relates to a range hood, which comprises a shell (1) and a panel (2) connected to the front side of the shell (1), wherein an air inlet (200) is formed in the panel (2), and a smoke baffle (3) capable of opening and shielding the air inlet (200) is arranged on the front side of the panel (2) corresponding to the air inlet (200). The smoke baffle plate is arranged at the front side of the panel corresponding to the air inlet, so that the smoke baffle plate is not required to be matched with the panel in the closing process to form a plane. On the one hand, the panel can be integrally arranged, no splicing gap appears, the situation of gap greasy dirt can not appear correspondingly, and in addition, the cleaning work of the panel is easier and more convenient, and meanwhile, the panel is not required to be spliced to realize integral arrangement, so that the appearance is more attractive. On the other hand, because the smoke baffle plate is not required to be precisely abutted, the requirement on the production dimensional precision of the panel is reduced, the installation precision is reduced, and the production cost is relatively reduced.

Description

Fume exhauster

Technical Field

The utility model relates to a range hood.

Background

The range hood is widely applied to a kitchen to solve the oil smoke problem of the kitchen, and whether the range hood has oil dripping and oil leakage and is convenient to clean in the use process is an important influence factor of a user for selecting the range hood.

The Chinese patent publication No. CN203549962U (201320641396.9) discloses an oil guiding structure of a side-draught type range hood, wherein the disclosed range hood structure comprises an oil guiding plate connected with a shell and obliquely arranged in the shell, shell panels are arranged in front of the oil guiding plate at intervals, each shell panel comprises a panel, a rectifying plate and an oil net, and the oil net is arranged between the panel and the rectifying plate. The oil net indent sets up between panel and rectifying plate, and the oil net the place ahead is provided with the smoke baffle that has rotatory function with oil net assorted. The oil net both sides are provided with the pivot hole, be provided with on the mounting bracket of casing with pivot hole assorted pivot. When the side-suction type range hood is used, oil stains smoothly flow into the oil cup from the oil guide plate, the panel, the oil net and the rectifying plate, so that a reasonable oil guide structure is formed to prevent the oil stains from falling onto the kitchen range panel through holes of the oil net, and simultaneously, the oil stains are prevented from flowing out of a splicing gap of the panel and the oil net and a splicing gap of the oil net and the rectifying plate. But the greasy dirt on the fender smoke board can't effectively be derived in this side-draught lampblack absorber structure, and the fender smoke board also can condense on the internal surface of fender smoke board when gathering the oil smoke and form the oil droplet, if can not in time derive the greasy dirt on the fender smoke board, then also can have the greasy dirt to drop the condition on the cooking utensils panel when opening the fender smoke board use next time. In addition, in the long-term use process, the oil stains are collected in the splicing gaps between the panel and the oil net and the splicing gaps between the oil net and the rectifying plate, so that the cleaning is difficult. Under the condition that the smoke baffle is closed, the panel, the smoke baffle and the rectifying plate are required to be accurately abutted to form a plane, so that the requirement on the dimensional accuracy of a product is high in production, the production cost is high, and the production efficiency is low.

In addition, in the prior art, the control panel assembly of the range hood is simply arranged on the front panel, has poor waterproof performance, is easily affected by oil smoke, and is easy to cause the condition of inflexibility of keys.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a range hood which is convenient to clean, low in structure production precision requirement and simpler to install.

The second technical problem to be solved by the utility model is to provide the range hood capable of preventing the greasy dirt on the smoke baffle from falling out of the oil cup.

The third technical problem to be solved by the utility model is to provide the range hood capable of realizing the waterproof and oil-proof protection of the control panel assembly aiming at the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a range hood, includes the casing and connects the panel at the casing front side, be provided with the air intake on the panel, its characterized in that: the front side of the panel is provided with a smoke baffle plate corresponding to the air inlet, and the smoke baffle plate can open and shade the air inlet.

The utility model solves the second technical problem by adopting the technical proposal that: an oil cup is arranged below the shell, and the front side edge of the oil cup extends forwards to the outside of the front side of the panel;

the inner surface of the smoke baffle plate is provided with a deep-fried dough stick, and the bottom of the deep-fried dough stick is provided with a small hole;

the panel is connected with a lower oil guide bracket which extends outwards and upwards, the lower oil guide bracket is positioned below the oil guide strips, the front side edge of the lower oil guide bracket at least extends out of the front side of the small hole, and a lower oil guide hole is formed in the panel corresponding to the installation position of the lower oil guide bracket.

In order to achieve better oil guiding effect, the oil guiding strips are arranged at the lower part of the smoke baffle plate, extend in the left-right direction, and gradually incline downwards from two ends to the middle part, and the small holes are positioned at the lowest position of the oil guiding strips.

In order to facilitate air intake at the lower end of the range hood during operation, a slotted hole is arranged on the lower oil guide bracket.

Convex ribs are arranged on the inner side wall of the lower oil guide support along the periphery of the slotted hole.

In order to timely guide out oil stains formed above the smoke baffle plate on the panel, the oil stain amount on the smoke baffle plate is reduced, an upper oil guide bracket which extends outwards and upwards is connected to the position, corresponding to the upper edge of the smoke baffle plate, on the panel, and an upper oil guide hole is formed on the panel, corresponding to the upper oil guide bracket.

In order to facilitate the installation of the components and the cleaning of the outer side face, the panel comprises a base plate fixedly connected to the front side of the shell and a decorative plate attached to the base plate, an opening is formed in the middle of the base plate, a through hole is formed in the middle of the decorative plate corresponding to the opening, and the opening (213) and the through hole form the air inlet.

In order to reduce the installation operation steps of the oil screen, the oil screen is convenient to disassemble and assemble, a concave area is concavely arranged in the position, corresponding to the air inlet, of the substrate, and the opening is formed in the concave area;

the oil screen is detachably connected to the opening, a clamping plate is arranged on the first side of the oil screen in an outward extending mode, a clamping hole for the clamping plate to be placed in is correspondingly formed in the edge of one side of the concave area, and the second side, opposite to the first side, of the oil screen is connected to the other side of the concave area through a fixing piece.

Preferably, a first opening part is formed in the substrate, a control board assembly is arranged in the first opening part, and a controllable operation screen printing piece is arranged on the inner wall of the decorative board corresponding to the control board assembly.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: the control board assembly comprises a box body and a control circuit board arranged in the box body, and an operation key which protrudes out of the box body forwards and is electrically connected with the operation screen printing piece is arranged on the control circuit board;

a sealing ring is arranged between the front side surface of the box body and the rear side surface of the decorative plate, and is embedded in the first opening part in a sealing manner and is arranged outside the operation key and the silk-screen piece in a surrounding manner.

In order to facilitate the deformation of the sealing ring, the sealing ring can be tightly attached to the box body and the decorative plate, the tightness of the control panel assembly is improved, and the cross section of the sealing ring is concave and a groove is formed on the front side surface of the sealing ring.

In order to improve the tightness of the connection between the sealing ring and the box body, the front side surface of the box body is provided with a mounting groove for fixing the sealing ring.

In order to realize the tightness of connection between the box body and the base plate, the tightness of the control panel assembly from the rear is guaranteed to a limited extent, the box body is fixedly connected to the base plate through a back plate, and the back plate wraps the box body from the rear side of the box body.

In order to avoid the greasy dirt to enter into the lamp subassembly and influence the stability that the lamps and lanterns used, be provided with the second opening on the base plate, be provided with the lamp subassembly in the second opening, the lamp subassembly is connected with the control panel subassembly electricity, it has the oil guide plate to extend in the upper direction of lamp subassembly on the base plate.

Preferably, a driving assembly is arranged in the casing, the driving end of the driving assembly penetrates through the base plate and extends to the front side of the decorative plate from the through hole of the decorative plate, and the smoke baffle plate is connected to the driving end of the driving assembly and rotates relative to the panel under the action of the driving assembly.

Compared with the prior art, the utility model has the advantages that: the smoke baffle plate is arranged at the front side of the panel corresponding to the air inlet, so that the smoke baffle plate is not required to be matched with the panel in the closing process to form a plane. On the one hand, the panel can be integrally arranged, no splicing gap appears, the situation of gap greasy dirt can not appear correspondingly, and in addition, the cleaning work of the panel is easier and more convenient, and meanwhile, the panel is not required to be spliced to realize integral arrangement, so that the appearance is more attractive. On the other hand, because the smoke baffle plate is not required to be precisely abutted, the requirement on the production dimensional precision of the panel is reduced, the installation precision is reduced, and the production cost is relatively reduced.

Drawings

Fig. 1 is a perspective view of a range hood according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a range hood according to an embodiment of the present utility model.

Fig. 3 is an exploded perspective view of a range hood according to an embodiment of the present utility model.

Fig. 4 is a perspective view of the range hood with a decorative panel removed in an embodiment of the present utility model.

Fig. 5 is an internal structural view of a range hood according to an embodiment of the present utility model.

Fig. 6 is a perspective view of a substrate according to an embodiment of the utility model.

Fig. 7 is an exploded view of an electronic control board assembly in an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 7, the range hood in the present embodiment includes a cabinet 1, a panel 2, a smoke baffle 3, an oil cup 4, a control board assembly 8, a lamp assembly 9, and a driving assembly 10.

The casing 1 is only required to be a casing 1 commonly used in the existing range hood, a fan system is further arranged in the casing 1 to realize the function of fume exhaust, and the fan system is provided with a fume inlet on the front side of the casing 1. The panel 2 is mounted on the front side of the casing 1, and an air inlet 200 is formed on the panel 2 corresponding to the oil smoke inlet for sucking the oil smoke during operation.

The panel 2 in this embodiment specifically includes a base plate 21 fixedly connected to the front side of the casing 1 and a decorative plate 22 attached to the base plate 21, wherein the decorative plate 22 is glued to the front surface of the base plate 21, and in order to ensure the gluing effect, glue overflow holes (not shown) are formed in the front surface of the base plate 21, so that the decorative plate 22 can be more firmly glued to the base plate 21. The decorative plate 22 may be made of various materials according to design style, and glass plate is used for the decorative plate 22 in this embodiment.

A recess area 210 is concavely arranged on the base plate 21 at a position corresponding to the oil fume inlet, and the oil fume inlet is usually positioned at the middle of the base plate 21, namely, the recess area 210 is formed at the middle of the base plate 21, an opening 213 is arranged on the recess area 210, and the oil screen 7 can be detachably connected on the opening 213. The specific connection structure of the oil screen 7 on the opening 213 is as follows: the first side of the oil screen 7 extends outwards to be provided with a clamping plate 71, one side edge of the concave area 210 is correspondingly provided with a clamping hole 214 for the clamping plate 71 to be placed in, and the second side, opposite to the first side, of the oil screen 7 is connected to the other side of the concave area 210 through a fixing piece. Specifically, in this embodiment, the clamping plate 71 is disposed on the left side of the oil screen 7 in an extending manner, and the corresponding clamping hole 214 is disposed at the edge bending portion on the left side of the recess 210, so that the clamping plate 71 of the oil screen 7 is conveniently clamped into the clamping hole 214. The right side of the oil screen 7 is fixed to the right side of the recess 210 by screws. The installation of the oil screen 7 is relatively simple and the operation is more convenient. When the oil screen 7 is fixed, the oil screen 7 is just embedded in the concave area 210 in a matching way, and the upper surface of the oil screen 7 is flush with the periphery of the concave area 210 of the base plate 21.

In this embodiment, the middle portion of the substrate 21 is disposed in a large area, so as to form a depressed area 2100, and the depressed area 210 is disposed in the middle portion of the depressed area 2100. The area of the decorative panel 22 corresponding to the depressed area 2100 is provided with a through hole 221 such that the opening 213 in the base panel 21 and the through hole 221 in the decorative panel 22 cooperate to form the air intake 200 for supplying the smoke into the fan system.

The smoke barrier 3 is disposed at the front side of the decorative plate 22 corresponding to the through hole 221, and both sides of the smoke barrier 3 extend to the edges of the panel 2, respectively. The width of the smoke barrier 3 in the up-down direction is substantially equal to the width of the depressed area 2100 of the substrate 21 in the up-down direction, and the upper and lower edges of the smoke barrier 3 correspond to the upper and lower edges of the depressed area 2100, respectively.

The driving assembly 10 in this embodiment may be any of various existing driving assemblies 10, and the driving assembly 10 in this embodiment includes a motor fixed on the inner wall of the base plate 21 and rotating arms respectively disposed on two sides of the base plate 21, and a first end of each rotating arm is connected to the inner wall of the base plate 21. Since the width of the through hole 221 of the decorative plate 22 matches the width of the depressed area 2100, the second end of each of the rotating arms passes through the base plate 21 and extends from the through hole 221 of the decorative plate 22 to the front side of the decorative plate 22, and one of the rotating arms is also connected to the driving end of the motor, thereby enabling a swinging motion under the driving of the motor. The two sides of the smoke baffle 3 are fixedly connected with the second ends of the rotating arms respectively, and when one rotating arm swings, the other rotating arm and the smoke baffle 3 are driven to swing simultaneously, namely, the smoke baffle 3 rotates relative to the panel 2, and the air inlet 200 is opened and closed.

The smoke baffle 3 is disposed at the front side of the panel 2 corresponding to the air inlet 200, so that the smoke baffle 3 does not need to be matched with the panel 2 during the closing process to form a plane. On the one hand, the panel 2 can be integrally arranged, particularly the decorative plate 22 can be integrally arranged, no splicing gap appears, the situation of accumulating greasy dirt in the gap can not appear correspondingly, in addition, the cleaning work of the panel 2 is easier and more convenient, and meanwhile, the panel 2 is integrally arranged without being spliced, so that the appearance is more attractive. On the other hand, since the smoke baffle 3 is not required to be precisely abutted, the requirement on the production dimensional accuracy of the panel 2 is reduced, the installation accuracy is reduced, and the production cost is also relatively reduced.

The oil cup 4 is connected below the cabinet 1, and the front side edge of the oil cup 4 extends forward to the outside of the front side of the panel 2. Be provided with the deep-fried dough stick 31 on the internal surface of fender smoke board 3, in order to realize better oil guiding effect, should set up in the lower part of fender smoke board 3, the deep-fried dough stick 31 extends along controlling the direction and sets up to deep-fried dough stick 31 is from both ends to middle part downward sloping setting gradually, and this deep-fried dough stick 31 is the slot form, can collect the greasy dirt that condenses and glide on the fender smoke board 3, and deep-fried dough stick 31 bottom is provided with aperture 311, and this aperture 311 is located the minimum position department of deep-fried dough stick 31, can set up the quantity and the distribution mode of aperture 311 as required. In order to ensure that the deep-fried dough sticks 31 do not occupy the thickness of the deep-fried dough sticks 31 in the front-rear direction, the length of the deep-fried dough sticks 31 in the left-right direction is slightly smaller than the length of the depressed area 2100 in the embodiment, so that the deep-fried dough sticks 31 can be placed in the space of the depressed area 2100 through the through holes 221 on the decorative plate 22, and the deep-fried dough sticks do not occupy the space. Meanwhile, the setting position of the oil guide 31 also facilitates the setting of the lower oil guide bracket 5 described below, and the lower oil guide bracket 5 does not need to extend to the outside too long to reduce the installation compactness between the smoke baffle 3 and the panel 2.

A lower oil guide bracket 5 extending outward and upward is connected to the base plate 21 at a position corresponding to the lower edge of the depressed area 2100, the lower oil guide bracket 5 is located below the oil guide bar 31, and the front side edge of the lower oil guide bracket 5 extends at least to the outside of the front side of the small hole 311, and a lower oil guide hole 211 is provided to the panel 2 at a mounting position corresponding to the lower oil guide bracket 5. The lower oil guiding support 5 not only can collect the oil stain formed by condensation on the panel 2, but also can collect the oil stain flowing down from the small holes 311 of the oil guiding strips 31, and the oil stain collected by the lower oil guiding support 5 flows onto the inner wall of the base plate 21 from the lower oil guiding hole 211 and then flows into the oil cup 4 along the inner wall of the base plate 21. So can effectively avoid the greasy dirt on the cigarette baffle 3 unable timely handling and fall in cooking utensils or pan when leading to opening cigarette baffle 3, influence user experience.

In addition, the lower oil guiding bracket 5 is provided with slots 51 capable of increasing lower air intake, the number of the slots 51 is set according to needs, and the slots 51 in the embodiment are provided with a plurality of slots and distributed along the length direction of the lower oil guiding bracket 5. In order to prevent the oil dirt flowing onto the lower oil guiding bracket 5 from falling from the slot hole 51, in this embodiment, a protruding rib 511 is provided on the inner side wall of the lower oil guiding bracket 5 along the periphery of the slot hole 51, and the protruding rib 511 prevents the oil dirt from falling from the slot hole 51.

An upper oil guide bracket 6 extending outward and upward is connected to the base plate 21 at a position corresponding to the upper edge of the depressed area 2100, and an upper oil guide hole 212 is provided in the panel 2 corresponding to the upper oil guide bracket 6. The upper oil guiding bracket 6 can timely collect the oil stain on the upper part of the panel 2, and then the collected oil stain flows into the inner wall of the base plate 21 through the upper oil guiding hole 212, and then flows into the oil cup 4 along the inner wall of the base plate 21.

Therefore, the oil path structure formed by the structures of the oil guide strips 31 on the smoke baffle 3, the upper oil guide support 6 and the lower oil guide support 5 connected on the base plate 21 can effectively collect oil stains and water stains condensed on the inner wall of the smoke baffle 3 and the surface of the panel 2 of the range hood, and the oil stains are led into the oil cup 4, so that the oil stains are prevented from falling into a pot or a kitchen range when a user cooks, the scrubbing time of the user is shortened, and the user experience is improved.

The base plate 21 is provided with a first opening 215 for mounting the control board assembly 8 and a second opening 216 for mounting the lamp assembly 9. The lamp assembly 9 in this embodiment is provided with two groups, which are respectively located on the left and right sides of the lower portion of the base plate 21.

An oil guide plate 217 extends inwardly above the lamp assembly 9 on the base plate 21. The oil guide plate 217 can guide oil stains to avoid flowing of the lamp assembly 9, and avoid affecting the lamp assembly 9. The decorative plate 22 is arranged in a light-transmitting manner at a position corresponding to the lamp assembly 9.

Wherein the control board assembly 8 comprises a box 81 and a control circuit board 82 arranged in the box 81, and the control circuit board 82 is provided with an operation key 83 protruding forwards out of the box 81. An operation screen print capable of being electrically connected in a matched manner to the operation key 83 and being manipulated by a user is provided on the inner wall of the decorative plate 22 at a position corresponding to the operation key 83. The setting position of the operation key 83 is specifically determined according to the specific product design, and the control board assembly 8 in this embodiment is disposed at the central position of the upper portion of the base board 21, and the case 81 includes a first half-shell 8101 and a second half-shell 8102 that can be fastened to each other.

Since the control circuit board 82, the operation keys 83 and the screen printing member are susceptible to oil stains and water stains, the reliability of the user operation is ensured. In this embodiment, the box 81 is fixedly connected to the substrate 21 through the back plate 85, and the back plate 85 is wrapped outside the box 81 from the rear side of the box 81, so that the first layer of sealing of the control board assembly 8 is realized at the rear part of the substrate 21. A seal ring 84 is provided between the front side surface of the case 81 and the rear side surface of the decorative plate 22, and the seal ring 84 has a cross section in a "concave" shape to form a groove 841 on the front side surface of the seal ring 84. The front side of the case 81 is provided with a mounting groove 811 for fixing the seal ring 84, the rear portion of the seal ring 84 is fixedly fitted into the mounting groove 811, the front portion of the seal ring 84 is abutted against the rear wall of the decorative plate 22, and the outer periphery of the seal ring 84 is sealingly fitted into the first opening 215 and is surrounded by the operation key 83 and the screen printing member. During installation, the rear part of the sealing ring 84 is fixed in the mounting groove 811 on the front side wall of the box body 81, then the sealing ring 84 is placed in the first opening 215, the back plate 85 is buckled on the rear part of the box body 81, the back plate 85 is fixed on the base plate 21 through screws, and under the action of the pretightening force of the back plate 85, the sealing ring 84 deforms, so that the front end of the sealing ring 84 is tightly attached to the rear wall of the decorative plate 22 at the position corresponding to the screen printing piece, and meanwhile, the sealing ring 84 is closer to the edge of the first opening 215. The sealing ring 84 forms the second floor with the decorative board 22 in the front portion of box body 81 and seals, encloses operating key 83, silk screen printing spare and establishes in sealed space, forms dual seal, avoids producing the space between decorative board 22 and the base plate 21, places greasy dirt, water stain and enters into in the control panel subassembly 8 and causes the condition that the operation is not controlled, has improved lampblack absorber's life.

The control circuit board 82 is electrically connected with the operation key 83, the motor, the lamp in the lamp assembly 9 and the fan in the fan system respectively, and when in operation, the control circuit board can automatically control or control the motor, the lamp in the lamp assembly 9 and the fan in the fan system to operate according to a control signal of the user on the operation key.

The range hood provided by the utility model has the advantages of attractive and compact integral structure, convenience in cleaning, low requirement on installation precision, capability of effectively avoiding the condition that oil stains fall off, good tightness, reliability in working and long service life.

Claims

1. The utility model provides a range hood, includes casing (1) and connects panel (2) at casing (1) front side, be provided with air intake (200), its characterized in that on panel (2): the front side of the panel (2) is provided with a smoke baffle (3) corresponding to the air inlet (200) and capable of opening and shielding the air inlet (200);

an oil cup (4) is arranged below the shell (1), and the front side edge of the oil cup (4) extends forwards to the outside of the front side of the panel (2);

the inner surface of the smoke baffle plate (3) is provided with a deep-fried dough stick (31), and the bottom of the deep-fried dough stick (31) is provided with a small hole (311);

the panel (2) is connected with a lower oil guide bracket (5) which extends outwards and upwards, the lower oil guide bracket (5) is positioned below the oil guide strip (31), the front side edge of the lower oil guide bracket (5) at least extends to the outside of the front side of the small hole (311), and a lower oil guide hole (211) is arranged on the panel (2) corresponding to the installation position of the lower oil guide bracket (5);

the deep-fried dough sticks (31) are arranged at the lower part of the smoke baffle plate (3), the deep-fried dough sticks (31) extend along the left-right direction, the deep-fried dough sticks (31) are gradually arranged in a downward inclined mode from two ends to the middle, and the small holes (311) are positioned at the lowest position of the deep-fried dough sticks (31);

the lower oil guide bracket (5) is provided with a slotted hole (51);

the panel (2) comprises a base plate (21) fixedly connected to the front side of the casing (1) and a decorative plate (22) attached to the base plate (21), an opening (213) is formed in the middle of the base plate (21), a through hole (221) is formed in the middle of the decorative plate (22) corresponding to the opening (213), and the opening (213) and the through hole (221) form the air inlet (200).

2. The range hood of claim 1, wherein: convex ribs (511) are arranged on the inner side wall of the lower oil guide bracket (5) along the periphery of the slotted hole (51).

3. The range hood of claim 1, wherein: the upper oil guide support (6) which extends outwards and upwards is connected to the position, corresponding to the upper edge of the smoke baffle plate (3), of the panel (2), and the upper oil guide hole (212) is formed in the panel (2) corresponding to the upper oil guide support (6).

4. A range hood according to any one of claims 1 to 3, wherein: a concave region (210) is concavely arranged at the position of the base plate (21) corresponding to the air inlet (200), and the opening (213) is arranged in the concave region (210);

the oil screen (7) can be detachably connected to the opening (213), a clamping plate (71) is outwards arranged on the first side of the oil screen (7) in an extending mode, a clamping hole (214) for the clamping plate (71) to be placed in is correspondingly formed in the edge of one side of the concave area (210), and a second side, opposite to the first side, of the oil screen (7) is connected to the other side of the concave area (210) through a fixing piece.

5. A range hood according to any one of claims 1 to 3, wherein: the base plate (21) is provided with a first opening (215), a control panel assembly (8) is arranged in the first opening (215), and a controllable operation screen printing piece is arranged on the inner wall of the decorative plate (22) corresponding to the control panel assembly (8).

6. The range hood of claim 5, wherein: the control panel assembly (8) comprises a box body (81) and a control circuit board (82) arranged in the box body (81), and an operation key (83) protruding out of the box body (81) forwards and electrically connected with the operation screen printing piece is arranged on the control circuit board (82);

a sealing ring (84) is arranged between the front side surface of the box body (81) and the rear side surface of the decorative plate (22), and the sealing ring (84) is embedded in the first opening part (215) in a sealing manner and is arranged outside the operation key (83) and the silk-screen piece in a surrounding manner.

7. The range hood of claim 6, wherein: the cross section of the sealing ring (84) is concave, and a groove (841) is formed on the front side surface of the sealing ring (84).

8. The range hood according to claim 6 or 7, wherein: the front side surface of the box body (81) is provided with an installation groove (811) for fixing the sealing ring (84).

9. The range hood according to claim 6 or 7, wherein: the box body (81) is fixedly connected to the base plate (21) through the back plate (85), and the back plate (85) wraps the box body (81) from the rear side of the box body (81).

10. The range hood of claim 6, wherein: the lamp comprises a base plate (21), and is characterized in that a second opening part (216) is formed in the base plate (21), a lamp assembly (9) is arranged in the second opening part (216), the lamp assembly (9) is electrically connected with a control board assembly (8), and an oil guide plate (217) extends inwards above the lamp assembly (9) on the base plate (21).

11. A range hood according to any one of claims 1 to 3, wherein: the smoke baffle plate (3) is connected to the driving end of the driving assembly (10) and rotates relative to the panel (2) under the action of the driving assembly (10), and the driving end of the driving assembly (10) penetrates through the base plate (21) and extends to the front side of the decorative plate (22) from the through hole (221) of the decorative plate (22).