CN217423368U - Fume exhaust fan - Google Patents

Abstract

The utility model belongs to the technical field of electrical apparatus for kitchen, a range hood is disclosed. The range hood comprises a main box assembly, a smoke collection cavity assembly, a driving assembly and two smoke detection assemblies. A smoke exhaust channel is arranged in the main box assembly; the smoke collection cavity assembly is arranged at the bottom of the main box assembly in a sliding manner along the length direction of the smoke collection cavity assembly, and the bottom surface of the smoke collection cavity assembly is provided with a smoke suction port communicated with the smoke exhaust channel; the two smoke detection components are respectively arranged at two ends of the smoke collection cavity assembly along the length direction and used for detecting the smoke concentration; the driving component is connected with the smoke collecting cavity assembly and used for driving the smoke collecting cavity assembly to move towards one end with high smoke concentration. Through detecting smog concentration, make collection smoke chamber assembly can slide along its length direction relative main tank assembly to move to the great one side of smog concentration, with the oil smoke of collecting better, prevent that the oil smoke from escaping.

Description

Fume exhaust fan

Technical Field

The utility model relates to an electrical apparatus technical field is used in the kitchen, especially relates to a range hood.

Background

The existing range hood comprises a main box assembly and a smoke collection cavity assembly, wherein a smoke suction port is arranged at the bottom of the smoke collection cavity assembly, and a smoke exhaust channel communicated with the smoke suction port is arranged in the main box assembly. When the range hood works, oil smoke enters the smoke exhaust channel through the smoke suction port and is then exhausted from the smoke exhaust channel.

Because the main box assembly and the smoke collecting cavity assembly are fixed, the position of a smoke suction port of the range hood is fixed, and generally, the smoke suction port is positioned in the middle of the smoke collecting cavity assembly. As the cooking range used by a user generally comprises two cooking ranges which are arranged from left to right. When the cooking range on one side is used, a small part of smoke generated can instantly overflow the smoking range of the range hood, and the oil smoke removal effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a range hood can collect the oil smoke better, prevents that the oil smoke from escaping.

To achieve the purpose, the utility model adopts the following technical proposal:

a range hood, comprising:

the main box assembly is internally provided with a smoke exhaust channel;

the smoke collecting cavity assembly is arranged at the bottom of the main box assembly in a sliding manner along the length direction of the smoke collecting cavity assembly, and a smoke suction port communicated with the smoke exhaust channel is arranged at the bottom surface of the smoke collecting cavity assembly;

the two smoke detection components are respectively arranged at two ends of the smoke collection cavity assembly along the length direction and used for detecting the smoke concentration;

and the driving component is connected with the smoke collection cavity assembly and is used for driving the smoke collection cavity assembly to move towards one end with high smoke concentration.

As an alternative of the above range hood, the main box assembly includes an outer box and an outer baffle, and the outer baffle is connected to at least two ends of the outer box along the length direction;

the collection smoke chamber assembly includes the shell, the shell top surface is provided with first slip and dodges the mouth, outer baffle is located first slip dodge in the mouth and with the top inner wall slip butt of shell, outer baffle can shelter from all the time first slip dodges the mouth.

As an alternative of the range hood, the main box assembly further includes an inner box and an inner baffle, the inner box is disposed in the outer box, and the inner baffle is disposed around the periphery of the inner box and connected to the bottom end of the inner box;

the collection cigarette chamber assembly still includes the inner shell, the bottom surface of shell is provided with the smoking mouth, the inner shell centers on the week portion setting of smoking mouth, the top surface of inner shell is provided with the second and slides and dodges the mouth, interior baffle is located the second slide dodge in the mouth and with the top inner wall of inner shell slides the butt, interior baffle shelters from all the time the second slides and dodges the mouth.

As an alternative to the above range hood, a sealing member is disposed between the inner baffle and the top inner wall of the inner casing.

As an alternative of the range hood, a mounting rack is arranged on the bottom surface of the outer baffle, a sliding rail is arranged on one of the mounting rack and the outer shell, and a sliding block is arranged on the other one of the mounting rack and the outer shell and is in sliding fit with the sliding rail.

As an alternative to the above range hood, the mounting bracket includes:

the longitudinal beams extend along the length direction of the smoke collection cavity assembly, the two longitudinal beams are oppositely arranged on two sides of the outer box body, and each longitudinal beam is provided with a sliding rail or a sliding block;

the two ends of the cross beam are respectively connected with the longitudinal beam, and the cross beams are arranged on two opposite sides of the outer box body.

As an alternative to the range hood described above, the drive assembly is located within the housing;

the drive assembly is fixed with the shell, the output end of the drive assembly is connected with the mounting rack, or the drive assembly is fixed with the mounting rack, and the output end of the drive assembly is connected with the shell.

As an alternative of the above range hood, the range hood further comprises:

the controller is connected with the smoke collection cavity assembly and is in communication connection with the smoke detection component and the driving component respectively.

As an alternative to the above range hood, the driving assembly includes an electric push rod.

As an alternative of the range hood, an oil screen assembly is arranged in the smoke suction port, an oil collecting tank is arranged at the bottom of the smoke collection cavity assembly, and the bottom end of the oil screen assembly extends to the upper part of the oil collecting tank.

The utility model has the advantages that:

the utility model provides an among the range hood, through detecting smog concentration, make collection smoke chamber assembly can slide along its relative main tank assembly of length direction to remove to the great one side of smog concentration, with collect the oil smoke better, prevent that the oil smoke from escaping.

Drawings

Fig. 1 is a front view of the range hood provided by the present invention;

fig. 2 is a bottom view of the range hood provided by the present invention;

fig. 3 is a schematic structural diagram of the range hood provided by the present invention;

fig. 4 is a sectional view of the range hood provided by the present invention;

fig. 5 is a schematic structural view of the inner box and the inner baffle provided by the present invention;

fig. 6 is a schematic view of a part of the structure of the range hood provided by the present invention;

fig. 7 is a schematic view of a part of the structure of the range hood provided by the present invention.

In the figure:

10. a main tank assembly; 11. an outer case; 12. an outer baffle; 13. an inner box body; 14. a fan; 15. a mounting frame; 151. a stringer; 152. a cross beam; 16. an inner baffle; 20. a smoke collection chamber assembly; 21. a housing; 22. an oil screen assembly; 23. an inner shell; 30. a smoke detection component; 40. an oil sump; 50. a guide assembly; 51. a slider; 52. a slide rail; 60. a drive assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a range hood, which includes a main box assembly 10, a smoke collection chamber assembly 20, and an oil collection tank 40. The smoke collection chamber assembly 20 is disposed at the bottom end of the main box assembly 10 and connected to the bottom end of the main box assembly 10. The main box assembly 10 is vertically arranged and fixed on the indoor wall, and the smoke collection cavity assembly 20 is approximately horizontally arranged and is positioned above the kitchen range. The bottom surface of the smoke collection cavity assembly 20 is provided with a smoke suction port, the smoke collection cavity is formed inside the smoke collection cavity, and the smoke suction port is provided with an oil screen assembly 22. A smoke exhaust channel is arranged in the main box assembly 10, one end of the smoke exhaust channel is communicated with the smoke collection cavity, and the other end of the smoke exhaust channel is communicated with the outside through a pipeline. The oil collecting groove 40 is disposed at the bottom of the smoke collecting chamber assembly 20, and the bottom end of the oil screen component 22 extends to the upper side of the oil collecting groove 40.

After the user starts the range hood, the oil smoke that the culinary art produced is filtered through oil net subassembly 22, and the flue gas gets into the smoke exhausting channel through the collection smoke chamber, discharges the indoor through the smoke exhausting channel to improve indoor environment. The filtered oil adheres to the oil screen assembly 22, collects, flows downward, and drips into the oil sump 40.

In order to enable the smoking range of the smoke collection cavity assembly 20 to better cover the oil smoke generated by the kitchen range, the two ends of the smoke collection cavity assembly 20 along the length direction are respectively provided with a smoke detection component 30, and the smoke detection components 30 are used for detecting the smoke concentration; collection smoke chamber assembly 20 slides along its length direction and sets up in the bottom of main tank assembly 10, drive assembly 60 is connected with collection smoke chamber assembly 20, drive assembly 60 can drive collection smoke chamber assembly 20 and slide relatively main tank assembly 10, so that collection smoke chamber assembly 20 can be according to both ends smoke detection subassembly 30's testing result, remove to the one end that smoke concentration is high, thereby make collection smoke chamber assembly 20's smoking mouth can gather together the oil smoke that produces better, avoid partial oil smoke to spill over the salt absorption scope of range hood, improve the oil smoke and get rid of the effect, thereby improve user's use and experience.

As shown in fig. 1, when the smoke concentration detected by the smoke detecting element 30 on the left side is higher than the smoke concentration detected by the smoke detecting element 30 on the right side, which indicates that more smoke is generated in the left area during cooking, at this time, the smoke collecting chamber assembly 20 moves to the left side relative to the main box assembly 10, so that the smoke suction port is approximately aligned with the area with higher smoke concentration, thereby improving the smoke suction effect.

Correspondingly, if the smoke concentration detected by the smoke detecting component 30 on the right side is higher than the smoke concentration detected by the smoke detecting component 30 on the left side, which indicates that more oil smoke is generated in the right area during the cooking process of the user, at this time, the smoke collecting cavity assembly 20 moves towards the right side relative to the main box assembly 10, so that the smoke suction port is approximately opposite to the area with higher oil smoke concentration, and the oil smoke suction effect is improved.

It can be understood that if the detection result of the left smoke detecting element 30 is equal to or less different from the detection result of the right smoke detecting element 30, the center of the smoke collecting chamber assembly 20 along the left-right direction can be approximately opposite to the center of the main box element along the left-right direction, so as to uniformly absorb the oil smoke generated at the left and right sides.

Alternatively, the smoke detection component 30 may be a smoke sensor.

Because the smoke collecting cavity in the smoke collecting cavity assembly 20 needs to be communicated with the smoke exhaust channel in the main box assembly 10, when the smoke collecting cavity assembly 20 moves relative to the main box assembly 10, the tightness of the joint of the smoke collecting cavity assembly 20 and the main box assembly 10 needs to be ensured on the basis of ensuring the communication of the smoke collecting cavity and the smoke exhaust channel so as to avoid the exposure along smoke. For this purpose, as shown in fig. 3, the main box assembly 10 includes an outer box body 11 and outer baffles 12, and the outer baffles 12 are connected to at least two ends of the main box body along the length direction; collection smoke chamber assembly 20 includes shell 21, and shell 21 top surface is provided with first slip and dodges the mouth, and outer baffle 12 is located first slip and dodges in the mouth and with shell 21's top inner wall slip butt, and outer baffle 12 can shelter from first slip and dodge the mouth all the time.

It can be understood that the dimension of the first sliding avoiding opening along the length direction of the smoke collection chamber assembly 20 is larger than the dimension of the outer box 11 along the length direction, that is, the dimension of the first sliding avoiding opening along the left-right direction is larger than the dimension of the outer box 11 along the left-right direction, so as to avoid interference with the main box assembly 10 when the smoke collection chamber assembly 20 slides relative to the main box assembly 10. The size of the whole body formed by the outer box body 11 and the outer baffle 12 in the left-right direction is larger than the size of the first sliding avoidance opening in the left-right direction, so that the outer baffle 12 can always shelter the first sliding avoidance opening and avoid the inside and indoor communication of the outer shell 21.

Through the cooperation of outer baffle 12 and shell 21, can avoid sliding in-process collection smoke chamber assembly 20 and main tank assembly 10 to interfere, and can seal first slip throughout and dodge the mouth, avoid shell 21 inside and indoor intercommunication.

In addition, outer baffle 12 sets up in inner shell 23, can avoid collection smoke chamber assembly 20 and main tank assembly 10 to drop by the top of below support shell 21, can improve the stability of collection smoke chamber assembly 20 installation on the basis of realizing collection smoke chamber assembly 20 and main tank assembly 10 sliding connection.

In order to further prevent the smoke in the range hood from leaking, as shown in fig. 4 and 5, the main box assembly 10 includes an outer box 11 and an inner box 13, a smoke exhaust channel is formed inside the inner box 13, and a fan 14 is disposed in the smoke exhaust channel to drive the smoke to flow. Even if the smoke exhaust channel leaks along the smoke exhaust channel, the smoke exhaust channel enters between the outer box body 11 and the inner box body 13, and the smoke exhaust channel is prevented from directly entering the room. In addition, the strength of the main box assembly 10 can be improved by arranging the outer box body 11 and the inner box body 13, and the fixing reliability and stability of the range hood are improved.

Further, as shown in fig. 5 and 6, the main tank assembly 10 further includes an inner baffle 16, the inner baffle 16 is disposed around the periphery of the inner tank 13 and connected to the bottom end of the inner tank 13; collection cigarette chamber assembly 20 still includes inner shell 23, and the bottom surface of shell 21 is provided with the smoking mouth, and inner shell 23 sets up around the week portion of smoking mouth, and the top surface of inner shell 23 is provided with the second and slides and dodges the mouth, and interior baffle 16 is located the second and slides and dodge in the mouth and with the top inner wall slip butt of inner shell 23, and interior baffle 16 shelters from the second all the time and slides and dodge the mouth.

It will be appreciated that the second sliding avoidance opening has a dimension along the length of the smoke collection chamber assembly 20 that is greater than the dimension of the inner housing 13 along the length of the smoke collection chamber to avoid interference when the smoke collection chamber assembly 20 slides relative to the main housing assembly 10. Inner box 13 is greater than the second with the whole size along collection smoke chamber length direction of second baffle and slides and dodge mouthful along collection smoke chamber assembly 20 length direction's size to guarantee that collection smoke chamber assembly 20 slides the in-process, the second baffle can shelter from the second all the time and slide and dodge the mouth, avoids the flue gas to get into between shell 21 and the inner shell 23.

Through the slip butt of interior baffle 16 and inner shell 23 top inner wall, can also be through interior baffle 16 by bottom bearing inner shell 23 to improve the stability of inner shell 23, thereby improve the stability of smoke collecting chamber assembly 20.

Further, a seal is provided between the inner baffle 16 and the top inner wall of the inner shell 23 to prevent leakage therealong. Alternatively, the sealing member may be a sealing ring disposed around the circumference of the inner case 13 to seal the fitting gap between the inner barrier 16 and the inner shell 23. It should be noted here that the sealing member is always in a compressed state to maintain the sealing effect.

Alternatively, a rolling member may be provided between the inner barrier 16 and the inner shell 23, and the rolling member is rotatably provided on the inner barrier 16 or the inner shell 23. The friction force generated when the inner baffle 16 and the inner shell 23 slide can be reduced by arranging the rolling members, so that the smoke collection cavity assembly 20 moves more smoothly relative to the main box assembly 10.

In some embodiments, a seal and a rolling element may be disposed between the outer baffle 12 and the outer shell 21, and are not described in detail herein.

In this embodiment, the smoke collection chamber assembly 20 includes an inner casing 23 and an outer casing 21, and the outer casing 21 abuts against the outer baffle 12, so that the outer baffle 12, the outer casing 21 and the inner casing 23 enclose a cavity, the cavity is located inside the smoke collection chamber assembly 20 and is not communicated with the smoke collection chamber, and the smoke collection chamber assembly can be used for installing other functional components in the range hood, so as to reasonably utilize the space, and make the range hood compact in structure and beautiful in appearance.

In order to make the movement of the smoke collection chamber assembly 20 relative to the main box assembly 10 smoother, the bottom surface of the outer baffle 12 is provided with a mounting bracket 15, and a guide assembly 50 is provided between the mounting bracket 15 and the housing 21 to guide the sliding direction of the smoke collection chamber assembly 20. Specifically, the guide assembly 50 includes a slide rail 52 and a slide block 51, one of the mounting frame 15 and the housing 21 is provided with the slide rail 52, and the other is provided with the slide block 51, and the slide block 51 is slidably engaged with the slide rail 52. Through the cooperation of slider 51 and slide rail 52, can provide the guide effect for the slip of collection smoke chamber assembly 20, avoid collection smoke chamber assembly 20 to block in the slip process.

As shown in fig. 6 and 7, the mounting frame 15 includes two longitudinal beams 151 and at least two cross beams 152. The longitudinal beams 151 extend along the length direction of the smoke collection cavity assembly 20, the two longitudinal beams 151 are oppositely arranged on two sides of the outer box body 11, and each longitudinal beam 151 is provided with a slide rail 52 or a slide block 51; the longitudinal beams 151 are connected to both ends of the cross beam 152, and the cross beams 152 are disposed on both opposite sides of the outer box 11. The connection between the cross member 152 and the longitudinal member 151 can improve the overall strength of the mounting frame 15. The two longitudinal beams 151 and the at least two cross beams 152 can surround the periphery of the main tank assembly 10, which is beneficial to improving the connection strength of the main tank assembly 10 and the smoke collection cavity assembly 20.

In this embodiment, the driving assembly 60 is disposed in the cavity defined by the outer shell 21 and the inner shell 23, so that the appearance of the range hood is simpler, and the driving assembly 60 is separated from the oil smoke, thereby protecting the driving assembly 60 and avoiding the failure of the driving assembly 60.

Specifically, the driving component 60 is fixed to the mounting frame 15, and an output end of the driving component 60 is connected to the outer casing 21 to drive the outer casing 21 to move, so as to drive the smoke collecting chamber assembly 20 to slide relative to the main box assembly 10.

In other embodiments, the drive assembly 60 may be fixed to the housing 21, with the output of the drive assembly 60 being connected to the mounting bracket 15.

Optionally, the drive assembly 60 includes an electric push rod. The electric push rod can output linear reciprocating motion so as to drive the smoke collection cavity assembly 20 to move relative to the main box assembly 10 through the driving shell 21. In some embodiments, the driving assembly 60 may be a rack and pinion assembly, a lead screw nut assembly, or a pneumatic cylinder, as long as the driving assembly can drive the housing 21 to reciprocate linearly.

Optionally, the range hood further includes a controller, the controller is connected to the smoke collection chamber assembly 20, and the controller is in communication connection with the smoke detection assembly 30 and the driving assembly 60, respectively. After the two smoke detection components 30 detect the smoke concentration, the smoke concentration is sent to the controller, the controller compares the sizes of the two detection results, and controls the driving component 60 to start according to the comparison result so as to drive the smoke collection cavity assembly 20 to move to the side with the large smoke concentration, so that the smoke is prevented from escaping.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A range hood, characterized by comprising:

the main box assembly (10) is internally provided with a smoke exhaust channel;

the smoke collection cavity assembly (20) is arranged at the bottom of the main box assembly (10) in a sliding mode along the length direction of the smoke collection cavity assembly, and a smoke suction port communicated with the smoke exhaust channel is formed in the bottom face of the smoke collection cavity assembly (20);

the two smoke detection components (30) are respectively arranged at two ends of the smoke collection cavity assembly (20) along the length direction and are used for detecting the smoke concentration;

and the driving component (60) is connected with the smoke collection cavity assembly (20) and is used for driving the smoke collection cavity assembly (20) to move towards one end with high smoke concentration.

2. The range hood according to claim 1, wherein the main box assembly (10) comprises an outer box (11) and an outer baffle (12), and the outer baffle (12) is connected to both ends of the outer box (11) at least along the length direction;

collection smoke chamber assembly (20) includes shell (21), shell (21) top surface is provided with the first mouth of dodging that slides, outer baffle (12) are located the first slides dodge in the mouth and with the top inner wall of shell (21) slides the butt, outer baffle (12) can shelter from all the time the first mouth of dodging that slides.

3. The range hood according to claim 2, wherein the main box assembly (10) further comprises an inner box body (13) and an inner baffle (16), the inner box body (13) is arranged in the outer box body (11), and the inner baffle (16) is arranged around the periphery of the inner box body (13) and connected with the bottom end of the inner box body (13);

collection cigarette chamber assembly (20) still includes inner shell (23), the bottom surface of shell (21) is provided with the smoking mouth, inner shell (23) center on the week portion setting of smoking mouth, the top surface of inner shell (23) is provided with the second and slides and dodges the mouth, interior baffle (16) are located the second slide dodge in the mouth and with the top inner wall of inner shell (23) slides the butt, interior baffle (16) shelter from all the time the second slides and dodges the mouth.

4. A range hood according to claim 3, wherein a seal is provided between the inner baffle (16) and the top inner wall of the inner housing (23).

5. The range hood according to claim 2, wherein a mounting rack (15) is arranged on the bottom surface of the outer baffle (12), one of the mounting rack (15) and the housing (21) is provided with a slide rail (52), and the other is provided with a slide block (51), and the slide block (51) is in sliding fit with the slide rail (52).

6. A range hood according to claim 5, characterized in that the mounting frame (15) comprises:

the longitudinal beams (151) extend along the length direction of the smoke collection cavity assembly (20), the two longitudinal beams (151) are oppositely arranged on two sides of the outer box body (11), and each longitudinal beam (151) is provided with the sliding rail (52) or the sliding block (51);

the two ends of the cross beam (152) are respectively connected with the longitudinal beam (151), and the cross beam (152) is arranged on two opposite sides of the outer box body (11).

7. A range hood according to claim 5, wherein the drive assembly (60) is located within the housing (21);

the driving assembly (60) is fixed with the shell (21), the output end of the driving assembly (60) is connected with the mounting frame (15), or the driving assembly (60) is fixed with the mounting frame (15), and the output end of the driving assembly (60) is connected with the shell (21).

8. The range hood of any one of claims 1-7, further comprising:

and the controller is connected with the smoke collecting cavity assembly (20), and is respectively in communication connection with the smoke detection assembly (30) and the driving assembly (60).

9. The range hood according to any one of claims 1-7, wherein the drive assembly (60) comprises an electric push rod.

10. The range hood according to any one of claims 1-7, wherein an oil screen component (22) is disposed in the smoke suction port, an oil collecting tank (40) is disposed at the bottom of the smoke collecting chamber assembly (20), and the bottom end of the oil screen component (22) extends to above the oil collecting tank (40).

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