CN220379784U

CN220379784U - Air inlet device and range hood

Info

Publication number: CN220379784U
Application number: CN202321857740.8U
Authority: CN
Inventors: 任富佳; 陈志涛; 成运隆; 常莹
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-23
Anticipated expiration: 2033-07-14

Abstract

The utility model relates to the technical field of kitchen appliances, and discloses an air inlet device and a range hood. The air inlet device comprises a shell and an air inlet pipe, and a sliding rail is arranged in the shell; the air inlet pipe is in sliding fit with the sliding rail, one end of the air inlet pipe is arranged in the shell, the other end of the air inlet pipe is provided with an air inlet, and the length of the air inlet pipe is adjustable so as to adjust the height of the air inlet. Under the sliding fit of air-supply line and slide rail, the air-supply line can stretch out for the casing to preliminary height of adjusting the air intake, because the length of air-supply line is adjustable, can further adjust the height of air intake, thereby satisfy the culinary art demand of discharging fume of different kinds, promoted user's use experience, strengthened the market competition of range hood.

Description

Air inlet device and range hood

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to an air inlet device and a range hood.

Background

The range hood is one of the indispensable kitchen electrical equipment in modern families, is arranged above a kitchen stove, can rapidly pump away waste generated by burning the stove and oil smoke harmful to human bodies in the cooking process, is discharged outdoors, reduces pollution and purifies air.

In the cooking process, the air inlet height requirement of cooking and steaming on the range hood is different, the oil smoke is larger when cooking, the air inlet is required to be positioned at a lower position, the water vapor is larger when steaming, and the air inlet is required to be positioned at a higher position, but the air inlet of the existing range hood is mostly of a fixed height, and the cooking fume discharging requirements of different types cannot be met.

Disclosure of Invention

Based on the above problems, the utility model aims to provide an air inlet device and a range hood, which can adjust the height of an air inlet so as to meet the requirements of cooking fume discharge of different types.

In order to achieve the above object, the following technical scheme is provided:

in a first aspect, the present utility model provides an air inlet arrangement comprising:

the sliding rail is arranged in the shell;

the air inlet pipe is in sliding fit with the sliding rail, one end of the air inlet pipe is arranged in the shell, an air inlet is formed in the other end of the air inlet pipe, and the length of the air inlet pipe is adjustable so as to adjust the height of the air inlet.

As an alternative scheme of the air inlet device provided by the utility model, the side wall of the air inlet pipe is provided with an air inlet hole.

As an alternative scheme of the air inlet device provided by the utility model, the sliding rail is provided with the bulge, and the bulge can be clamped into the air inlet hole.

As an alternative scheme of the air inlet device provided by the utility model, the air inlet pipe comprises a first pipe and a second pipe which are in sliding fit, the first pipe is in sliding fit with the sliding rail, and the air inlet is arranged on the second pipe.

As an alternative to the air inlet device provided by the utility model, the edge of the first pipe can be abutted against the edge of the second pipe.

As an alternative scheme of the air inlet device provided by the utility model, the air inlet pipe is a corrugated pipe.

As an alternative scheme of the air inlet device, the air inlet device further comprises a driving assembly, the driving assembly comprises a mounting seat, a motor, a screw rod and a nut seat, the mounting seat is arranged on the shell, the screw rod is rotatably arranged on the mounting seat, the nut seat is in threaded fit with the screw rod, the air inlet pipe is connected with the nut seat, and the motor is arranged on the mounting seat and used for driving the screw rod to rotate.

As an alternative scheme of the air inlet device provided by the utility model, the driving assembly further comprises a worm wheel and a worm, wherein the worm wheel is connected with the screw rod, and the motor is connected with the worm.

As an alternative scheme of the air inlet device provided by the utility model, the installation seat is provided with the protective cover, and the worm wheel and the worm are both arranged in the protective cover.

In a second aspect, the utility model also provides a range hood, which comprises a fume collecting cavity and the air inlet device, wherein fume enters the fume collecting cavity through the air inlet device.

The beneficial effects of the utility model are as follows:

according to the air inlet device and the range hood, the sliding rail is arranged in the shell, and the air inlet pipe can extend out relative to the shell under the sliding fit of the air inlet pipe and the sliding rail, so that the height of the air inlet is primarily adjusted, and the height of the air inlet can be further adjusted due to the adjustable length of the air inlet pipe, so that the requirements of different cooking and smoke discharging are met, the use experience of users is improved, and the market competitiveness of the range hood is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic structural view of an air intake device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the air inlet device according to the embodiment of the present utility model when the second pipe extends relative to the first pipe;

fig. 3 is a schematic structural view of an air inlet pipe in an air inlet device according to an embodiment of the present utility model;

fig. 4 is an exploded view of a driving assembly in an air intake device according to an embodiment of the present utility model.

In the figure:

1. a housing; 2. an air inlet pipe; 3. a drive assembly;

21. an air inlet; 22. an air inlet hole; 23. a first tube; 24. a second tube;

31. a mounting base; 32. a motor; 33. a screw rod; 34. a nut seat; 35. a worm wheel; 36. a worm;

37. and a protective cover.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the present embodiment provides an air intake device, which includes a housing 1 and an air inlet pipe 2, a sliding rail is disposed in the housing 1, and the air inlet pipe 2 is slidably matched with the sliding rail. One end of the air inlet pipe 2 is arranged in the shell 1, the other end of the air inlet pipe 2 is provided with an air inlet 21, and the length of the air inlet pipe 2 is adjustable so as to adjust the height of the air inlet 21. The slide rail may be provided with two or more slide rails to provide a stable guiding function for the movement of the air inlet duct 2.

Due to the fact that the sliding rails are arranged in the shell 1, the air inlet pipe 2 can extend out of the shell 1 under the sliding fit of the air inlet pipe 2 and the sliding rails, the height of the air inlet 21 is preliminarily adjusted, the height of the air inlet 21 can be further adjusted due to the fact that the length of the air inlet pipe 2 is adjustable, the requirements of different cooking smoke discharging are met, the use experience of a user is improved, and the market competitiveness of the range hood is enhanced.

Optionally, an air inlet hole 22 is provided on a side wall of the air inlet pipe 2. The air inlet holes 22 may be provided in plurality, and the plurality of air inlet holes 22 may be uniformly distributed along the sidewall of the air inlet duct 2. The air inlet hole 22 may be circular, oval, square, etc., and it is understood that the air inlet hole 22 penetrates through the side wall of the air inlet pipe 2 and is communicated with the inner cavity of the air inlet pipe 2, and external oil smoke can enter the inner cavity of the air inlet pipe 2 through the air inlet 21 and enter the inner cavity of the air inlet pipe 2 through the air inlet hole 22.

Optionally, the sliding rail is provided with a protrusion, which can be snapped into the air inlet 22. Under the limiting action of the bulge and the air inlet hole 22, the sliding stability of the air inlet pipe 2 can be ensured as much as possible, and the expansion direction of the air inlet pipe 2 is limited and guided. The protrusions may be circular, oval, square, etc., and the number of the protrusions and the air inlet holes 22 may be set according to needs, for example, one protrusion corresponds to a plurality of air inlet holes 22, and in the expansion process of the air inlet pipe 2, one protrusion may be alternatively clamped into one air inlet hole 22.

In some embodiments, the air inlet pipe 2 comprises a first pipe 23 and a second pipe 24 which are in sliding fit, the first pipe 23 is in sliding fit with the sliding rail, and the air inlet 21 is arranged on the second pipe 24. Under the sliding fit of the first pipe 23 and the second pipe 24, the length of the air inlet pipe 2 is adjusted, so that the height of the air inlet 21 is adjusted to meet the requirements of different cooking smoke discharge. The second pipe 24 may be fitted inside the first pipe 23 or may be fitted outside the first pipe 23. It should be noted that, the air inlet holes 22 are disposed on the side walls of the first tube 23 and the second tube 24, so as to improve the air inlet efficiency. The air inlet pipe 2 may further include a third pipe located between the first pipe 23 and the second pipe 24, both ends of the third pipe are slidably engaged with the first pipe 23 and the second pipe 24, respectively, and the third pipe may be provided with a plurality of third pipes, and slidably engaged between two adjacent third pipes. To prevent the first tube 23 and the second tube 24 from being separated from each other when extended, alternatively, the edge of the first tube 23 can be abutted against the edge of the second tube 24. When the length of the air inlet pipe 2 is shortened, the end face of the first pipe 23 or the second pipe 24 positioned on the outer side is abutted against the end face of the shell 1, so that the limit between the air inlet pipe 2 and the shell 1 is realized.

To reduce costs, in some embodiments, the air inlet duct 2 is a bellows. The corrugated pipe is a tubular elastic sensing element formed by connecting foldable corrugated sheets along the folding and stretching directions. The corrugated pipe has many advantages such as high temperature resistance, corrosion resistance, high strength, good flexibility and the like. The corrugated shape of the corrugated pipe enables the corrugated pipe to have good flexibility, can be bent and twisted within a certain range, and is suitable for various complex pipeline layouts. The manufacturing process of the corrugated pipe is relatively simple, and the corrugated pipe is generally made of stainless steel, copper, aluminum and other materials. In the manufacturing process, firstly, the metal plate is processed into a corrugated shape through the processes of cutting, forming, welding and the like, then, the surface treatment and the coating treatment are carried out, and finally, the pipeline is assembled. The manufacturing process of the corrugated pipe is relatively mature, the production efficiency is high, and the cost is relatively low. The corrugated pipe is convenient to install, low in cost, capable of reducing the cost of the range hood and improving the market competitiveness of the range hood.

In some embodiments, the air inlet device further comprises a driving assembly 3, the driving assembly 3 comprises a mounting seat 31, a motor 32, a screw rod 33 and a nut seat 34, the mounting seat 31 is arranged on the shell 1, the screw rod 33 is rotatably arranged on the mounting seat 31, the nut seat 34 is in threaded fit with the screw rod 33, the air inlet pipe 2 is connected with the nut seat 34, and the motor 32 is arranged on the mounting seat 31 and is used for driving the screw rod 33 to rotate. The motor 32 drives the screw rod 33 to rotate, and the nut seat 34 is limited on the mounting seat 31 and cannot rotate, so that the movement of the nut seat 34 is realized under the threaded fit of the screw rod 33 and the nut seat 34, and the nut seat 34 further pulls the air inlet pipe 2 to realize the lifting of the range hood.

Optionally, the driving assembly 3 further comprises a worm wheel 35 and a worm 36, the worm wheel 35 is connected with the screw 33, and the motor 32 is connected with the worm 36. The output shaft of the motor 32 is decelerated by the worm wheel 35 and the worm 36, so that sufficient torque is provided for the screw 33. Unlike other speed reducers, the worm wheel 35 and the worm 36 are in line contact, so that the transmission is stable, the noise is small, and the structure is compact. When the lead angle of the worm 36 is small, the transmission has self-locking property, namely, only the worm 36 can drive the worm wheel 35, and the worm wheel 35 cannot drive the worm 36.

Optionally, a protective cover 37 is disposed on the mounting seat 31, and the worm wheel 35 and the worm 36 are disposed in the protective cover 37. The worm 36 is installed in the protection cover 37 through the bearing, the rotating shaft of the worm 36 is installed in the protection cover 37 through the bearing, the protection cover 37 plays a role in protecting the worm wheel 35 and the worm 36, and impurities such as dust are prevented from falling into the protection cover 37 to influence the transmission efficiency of the worm wheel 35 and the worm 36.

The embodiment also provides a range hood, which can be hung on a suspended ceiling of a restaurant and comprises a fume collecting cavity and the air inlet device, and fume enters the fume collecting cavity through the air inlet device. Due to the fact that the sliding rails are arranged in the shell 1, the air inlet pipe 2 can extend out of the shell 1 under the sliding fit of the air inlet pipe 2 and the sliding rails, the height of the air inlet 21 is preliminarily adjusted, the height of the air inlet 21 can be further adjusted due to the fact that the length of the air inlet pipe 2 is adjustable, the requirements of different cooking smoke discharging are met, the use experience of a user is improved, and the market competitiveness of the range hood is enhanced.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. An air intake apparatus, comprising:

the device comprises a shell (1), wherein a sliding rail is arranged in the shell (1);

the air inlet pipe (2) is in sliding fit with the sliding rail, one end of the air inlet pipe (2) is arranged in the shell (1), an air inlet (21) is formed in the other end of the air inlet pipe (2), and the length of the air inlet pipe (2) is adjustable so as to adjust the height of the air inlet (21).

2. An air inlet arrangement according to claim 1, characterized in that the side wall of the air inlet pipe (2) is provided with an air inlet opening (22).

3. The air inlet device according to claim 2, characterized in that the slide rail is provided with a protrusion, which can be snapped into the air inlet hole (22).

4. The air inlet device according to claim 1, wherein the air inlet pipe (2) comprises a first pipe (23) and a second pipe (24) which are in sliding fit, the first pipe (23) is in sliding fit with the sliding rail, and the air inlet (21) is arranged on the second pipe (24).

5. An air inlet arrangement according to claim 4, characterized in that the edge of the first pipe (23) can be brought into abutment with the edge of the second pipe (24).

6. An air inlet arrangement according to claim 1, characterized in that the air inlet duct (2) is a bellows.

7. The air inlet device according to any one of claims 1 to 6, further comprising a driving assembly (3), wherein the driving assembly (3) comprises a mounting seat (31), a motor (32), a screw rod (33) and a nut seat (34), the mounting seat (31) is arranged on the shell (1), the screw rod (33) is rotatably arranged on the mounting seat (31), the nut seat (34) is in threaded fit with the screw rod (33), the air inlet pipe (2) is connected with the nut seat (34), and the motor (32) is arranged on the mounting seat (31) and is used for driving the screw rod (33) to rotate.

8. The air inlet arrangement according to claim 7, characterized in that the drive assembly (3) further comprises a worm wheel (35) and a worm (36), the worm wheel (35) being connected to the screw (33), the motor (32) being connected to the worm (36).

9. The air inlet device according to claim 8, characterized in that a protective cover (37) is arranged on the mounting seat (31), and the worm wheel (35) and the worm (36) are both arranged in the protective cover (37).

10. A range hood comprising a smoke collecting chamber and an air inlet arrangement according to any one of claims 1 to 9, wherein smoke enters the smoke collecting chamber via the air inlet arrangement.