CN218379537U

CN218379537U - Thin type range hood

Info

Publication number: CN218379537U
Application number: CN202221974476.1U
Authority: CN
Inventors: 刘世文; 张兴平
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-24
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a slim range hood, it includes: a smoke inlet is arranged at the bottom of the box shell; the volute is positioned in the box shell, the top of the volute is open and is connected with the inner top wall of the box shell, so that the volute and the inner top wall of the box shell enclose a wind cavity, and the bottom of the volute is provided with an air inlet; the fan device is located the wind cavity to including wind wheel and motor element, the wind wheel has and is the open storage tank in top, and motor element sets up in the storage tank, and connects the inboard roof of wind wheel and box shell respectively. According to the structure, the motor assembly is accommodated through the accommodating groove, so that the heights of the fan device and the box body shell can be reduced, the height of the whole range hood can be further reduced, the range hood can be more conveniently installed in an occasion with limited space height, the installation limit is reduced, and the range hood is more convenient to install; and the range hood after being installed can be ensured to have enough distance with the cooking bench surface, thereby being convenient for users to use.

Description

Thin type range hood

Technical Field

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

Background

The range hood is installed in a kitchen and other places and used for sucking and removing oil smoke generated in the cooking process and ensuring a good air environment in the kitchen. The range hood usually has a large height, and for some occasions with limited space height, the range hood with the large height has many limitations in installation, and the range hood is too close to a cooking bench after installation, so that the cooking operation is inconvenient, and the installation and the use of the range hood are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slim range hood can reduce the height, easy to assemble and use.

In order to achieve the above object, a thin type range hood is provided, which comprises: the bottom of the box shell is provided with a smoke inlet; the top of the volute is open and is connected with the inner top wall of the box shell, so that the volute and the inner top wall of the box shell form an air cavity in a surrounding mode, and the bottom of the volute is provided with an air inlet; the fan device is located in the air cavity and comprises a wind wheel and a motor assembly, the wind wheel is provided with a containing groove with an open top, and the motor assembly is arranged in the containing groove and is respectively connected with the inner top wall of the wind wheel and the box shell.

According to a thin range hood, the motor assembly comprises: the motor bracket is connected with the inner side top wall of the box shell and is provided with a bearing platform which is arranged at intervals with the inner side top wall of the box shell; the shock pad is arranged on the top surface of the bearing platform; the main motor is located on the inner side of the bearing platform and is provided with an installation part, and the installation part is connected with the damping pad.

According to the thin type range hood, the inner side of the shock pad is provided with the slot, and the mounting part is inserted into the slot.

According to the thin range hood, the bottom of the box shell is provided with the oil collecting box, the air inlet is arranged below the volute and is provided with the oil guide ring, the top surface of the oil guide ring is concavely provided with the oil guide groove arranged along the edge of the air inlet, and the oil guide channel is arranged between the oil guide groove and the oil collecting box.

According to the thin range hood, the bottom of the volute is provided with the skirt part which is connected with the edge of the air inlet and extends downwards to the oil guide groove.

According to the thin range hood, the outer side of the volute is provided with the electric heating structure.

According to the thin range hood, the inner side of the oil guide ring is provided with an oil net which is wide at the top and narrow at the bottom, the bottom of the wind wheel is sleeved on the rotating shaft of the motor assembly, the bottom of the rotating shaft of the motor assembly is sleeved with a limiting part in a threaded fit manner, the limiting part is stopped against the bottom surface of the wind wheel, and the limiting part is positioned on the inner side of the oil net.

According to the thin range hood, the axis of the wind wheel is vertically arranged, the wind wheel is positioned above the air inlet, the wind wheel is provided with a top ring, a through-flow blade and a bottom ring which are sequentially arranged from top to bottom, and the longitudinal projections of the through-flow blade and the bottom ring are both positioned in the longitudinal projection of the oil guide groove.

According to the thin type range hood, the oil guide channel comprises: the oil guide port is formed in the bottom surface of the oil guide groove; the mounting pipe is fixedly connected with the oil guide ring, and the inner cavity of the oil guide pipe is communicated with the oil guide port; and the oil guide pipe, one end of the oil guide pipe is sleeved with the mounting pipe, the other end of the oil guide pipe extends to the upper part of a groove strip, the groove strip is arranged above the oil collecting box and connected with the box shell, and the bottom surface of the inner cavity of the groove strip is provided with an oil falling hole.

The beneficial effect that above-mentioned scheme has: according to the structure, the motor assembly is accommodated through the accommodating groove, so that the heights of the fan device and the box body shell can be reduced, the height of the whole range hood can be further reduced, the range hood can be more conveniently installed in an occasion with limited space height, the installation limit is reduced, and the range hood is more convenient to install; and the range hood after installation can be ensured to have enough distance with the cooking bench surface, thereby being convenient for users to use.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a front cross-sectional view of an embodiment of the invention;

FIG. 3 is a partial block diagram of an embodiment of the present invention;

FIG. 4 is a sectional view of a part of the structure of the embodiment of the present invention;

FIG. 5 is an enlarged view of portion A shown in FIG. 4;

fig. 6 is a schematic diagram of the fit of the oil control rings, the main motor and the wind wheel.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the present numbers, and the terms above, below, inside, etc. are understood to include the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 6, a thin range hood includes a box shell 10, a volute 20 and a blower device 30, a smoke inlet is opened at the bottom of the box shell 10, a filter screen 11 is disposed at the smoke inlet, the volute 20 is located in the box shell 10, the top of the volute 20 is open and connected to the inner top wall of the box shell 10, an air cavity 13 is enclosed between the volute 20 and the inner top wall of the box shell 10, and an exhaust duct 12 communicated with the air cavity 13 is disposed at the top of the box shell 10. The bottom of the volute 20 is provided with an air inlet 21, and the air inlet 21 is positioned above the filter screen 11. Fan device 30 is located wind cavity 13, and it includes wind wheel 31 and motor element 32, has on the wind wheel 31 to be the open-topped storage tank 311, and motor element 32 sets up in storage tank 311, and motor element 32 connects the inboard roof of wind wheel 31 and box shell 10 respectively.

With the structure, the motor assembly 32 is accommodated in the accommodating groove 311, so that the heights of the fan device 30 and the box body shell 10 can be reduced, and further the height of the whole range hood can be reduced, so that the range hood can be more conveniently installed in an occasion with limited space height, the installation limitation is reduced, and the range hood is more conveniently installed; and the range hood after installation can be ensured to have enough distance with the cooking bench surface, thereby being convenient for users to use. In addition, the motor assembly 32 is connected with the casing shell 10, so that the bearing of the volute 20 can be reduced, the structure of the volute 20 is simplified, the volute 20 is easy to process, and the manufacturing cost is low.

In this embodiment, the motor assembly 32 includes a motor support 321, a shock pad 322, and a main motor 323, the motor support 321 is connected to the inner top wall of the box casing 10, and the motor support 321 has a supporting platform 3211 spaced apart from the inner top wall of the box casing 10, the shock pad 322 is disposed on the top surface of the supporting platform 3211, the main motor 323 is located inside the supporting platform 3211, and the main motor 323 has a mounting portion 3231, and the mounting portion 3231 is connected to the shock pad 322. Through the structure, the main motor 323 can be installed and positioned, and the shock pad 322 can absorb and buffer the shock generated by the operation of the main motor 323, so that the shock and the noise of the range hood are reduced.

Specifically, the shock absorbing pads 322 are provided in a plurality and arranged around the main motor 323, each shock absorbing pad 322 is correspondingly provided with a mounting portion 3231, and fasteners such as screws are inserted into the supporting platform 3211, the shock absorbing pads 322 and the mounting portions 3231 to connect and fix the three components. The shock pad 322 has a slot on the inner side thereof, and the mounting portion 3231 is inserted into the slot so as to align and position the mounting portion 3231 and the shock pad 322.

In the present embodiment, the bottom of the case shell 10 is provided with an oil collecting box 40, the lower side of the volute 20 is provided with an oil guiding ring 50, the oil guiding ring 50 is located at the air inlet 21, the top surface of the oil guiding ring 50 is concavely provided with an oil guiding groove 51 arranged along the edge of the air inlet 21, and an oil guiding channel 52 is provided between the oil guiding groove 51 and the oil collecting box 40. According to the structure, oil stains in the volute 20 flow to the air inlet 21 and then fall into the oil guide groove 51, and the oil stains are guided into the oil collecting box 40 through the oil guide channel 52 to be collected, so that the oil stains in the volute 20 can be prevented from flowing to positions such as the filter screen 11 and causing secondary pollution inside the range hood, the cleaning workload of a user is reduced, and the use experience of the user is optimized.

Wherein, the bottom of the volute 20 has a skirt portion 22, the skirt portion 22 is connected to the edge of the air inlet 21 and extends downward into the oil guide groove 51, so that the longitudinal projection of the inner bottom edge of the skirt portion 22 is located within the longitudinal projection of the oil guide groove 51. The oil can fall down along the inner wall of the skirt portion 22 to the oil guide groove 51, and the oil is prevented from flowing to the bottom surface of the scroll casing 20.

In the present embodiment, the volute 20 is provided as an integrally formed structure. In production, the volute casing 20 is formed by punching, drawing, etc. a plate, so that the structure and production process of the volute casing 20 can be simplified. The volute casing 20 does not need to be assembled and processed through plates, and therefore the volute casing 20 can be prevented from being assembled and processed through the plates, and seams which are prone to oil leakage exist between the plates.

In this embodiment, the oil guiding passage 52 includes an oil guiding opening 521, a mounting pipe 522 and an oil guiding pipe 523, the oil guiding opening 521 is disposed on the bottom surface of the oil guiding groove 51, the mounting pipe 522 is fixedly connected to the oil guiding ring 50, an inner cavity of the oil guiding pipe 523 is communicated with the oil guiding opening 521, one end of the oil guiding pipe 523 is sleeved with the mounting pipe 522, the other end of the oil guiding pipe extends to the upper side of a groove 524, the groove 524 is located above the oil collecting box 40 and is connected to the box shell 10, and an oil falling hole 5241 is disposed on the bottom surface of the inner cavity of the groove 524. The oil in the oil guide groove 51 flows through the oil guide opening 521, the mounting pipe 522, the oil guide pipe 523 and the groove 524 in sequence.

In some embodiments, the oil conduit 523 may be directly inserted into the oil guide opening 521.

In the present embodiment, an outer side surface of the scroll casing 20 is provided with an electric heating structure. Wherein, the electric heating structure can be arranged as an electric heating plate, an electric heating wire and the like. When the inside of the scroll casing 20 needs to be cleaned, the scroll casing 20 is heated by the electric heating structure, so that the condensed oil inside the scroll casing 20 is melted, and the oil stain formed by melting can flow to the oil guide groove 51 and is finally collected by the oil collecting box 40.

An oil screen 53 with a wide top and a narrow bottom is disposed inside the oil guide ring 50, and an oil cup (not shown) is disposed at the bottom of the oil screen 53. The oil screen 53 can intercept oil stains, and the oil stains flowing down on the oil screen 53 can be collected through the oil cup, so that the secondary pollution caused by the oil stains falling onto the filter screen 11 is avoided.

In this embodiment, the bottom of the wind wheel 31 is sleeved on the rotating shaft of the motor assembly 32, the bottom of the rotating shaft of the motor assembly 32 is sleeved with a limiting member 324 in a threaded fit manner, the limiting member 324 abuts against the bottom surface of the wind wheel 31 to limit the wind wheel 31 from falling off from the rotating shaft of the motor assembly 32, and the limiting member 324 is located inside the oil screen 53 to reduce the total height of the fan device 30 and the oil screen 53, thereby reducing the height of the range hood. Wherein the rotating shaft of the motor assembly 32 is the rotating shaft of the main motor 323.

In this embodiment, the axis of the wind wheel 31 is vertically arranged, the wind wheel 31 has a top ring 313, a plurality of cross flow blades 314 and a bottom ring 315, which are sequentially arranged from top to bottom, the cross flow blades 314 are arranged in a plurality of rows and are arranged in a ring shape, the cross flow blades 314 are respectively connected with the top ring 313 and the bottom ring 315, and the longitudinal projections of the cross flow blades 314 and the bottom ring 315 are both located in the longitudinal projection of the oil guide groove 51. In operation, the main motor 323 drives the wind wheel 31 to rotate around a vertical axis, and oil stains adhered on the wind wheel 31 are thrown to the inner side wall of the volute 20 and then flow to the oil guide groove 51; the electric heating structure can melt the condensed oil on the wind wheel 31 during heating, and the melted oil stain flows downwards along the cross flow blades 314 and the bottom ring 315 and drips to the oil guide groove 51, so that the oil stain on the wind wheel 31 can be guided and collected to the oil collection box 40, and secondary pollution is avoided.

In some embodiments, the oil guide channel 52 may be provided without the groove 524, and the other end of the oil guide pipe 523 may be directly disposed at a position above the oil collecting box 40.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A thin range hood is characterized by comprising:

a smoke inlet is arranged at the bottom of the box shell;

the volute is positioned in the box shell, the top of the volute is open and is connected with the inner top wall of the box shell, so that the volute and the inner top wall of the box shell form an air cavity, and the bottom of the volute is provided with an air inlet;

the fan device is located in the air cavity and comprises a wind wheel and a motor assembly, the wind wheel is provided with a containing groove with an open top, and the motor assembly is arranged in the containing groove and is respectively connected with the inner top wall of the wind wheel and the box shell.

2. The thin range hood as claimed in claim 1, wherein the motor assembly comprises:

the motor bracket is connected with the inner side top wall of the box shell and is provided with a bearing platform which is arranged at intervals with the inner side top wall of the box shell;

the shock pad is arranged on the top surface of the bearing platform;

the main motor is located on the inner side of the bearing platform and is provided with an installation part, and the installation part is connected with the damping pad.

3. The thin range hood as claimed in claim 2, wherein the shock pad has a slot at an inner side thereof, and the mounting portion is inserted into the slot.

4. The thin range hood as claimed in claim 1, wherein an oil collecting box is disposed at the bottom of the casing, an oil guiding ring is disposed below the volute at the air inlet, an oil guiding groove disposed along the edge of the air inlet is concavely disposed on the top surface of the oil guiding ring, and an oil guiding channel is disposed between the oil guiding groove and the oil collecting box.

5. The thin range hood as claimed in claim 4, wherein the bottom of the volute has a skirt connected to the edge of the air inlet and extending downward into the oil guide groove.

6. The thin range hood as claimed in claim 4 or 5, wherein an electric heating structure is disposed outside the volute.

7. The thin range hood as claimed in claim 4 or 5, wherein the oil guiding ring has an oil net with a wide top and a narrow bottom inside, the bottom of the wind wheel is sleeved on the rotating shaft of the motor assembly, the bottom of the rotating shaft of the motor assembly is sleeved with a limiting member in a threaded manner, the limiting member abuts against the bottom surface of the wind wheel, and the limiting member is located inside the oil net.

8. The thin range hood according to claim 4 or 5, wherein the axis of the wind wheel is arranged vertically, the wind wheel is located above the air inlet, the wind wheel is provided with a top ring, a cross flow blade and a bottom ring which are sequentially arranged from top to bottom, and the longitudinal projections of the cross flow blade and the bottom ring are both located in the longitudinal projection of the oil guide groove.

9. The thin range hood as claimed in claim 4 or 5, wherein the oil guide channel comprises:

the oil guide port is formed in the bottom surface of the oil guide groove;

the mounting pipe is fixedly connected with the oil guide ring, and the inner cavity of the oil guide pipe is communicated with the oil guide port;

and the oil guide pipe, one end of the oil guide pipe is sleeved with the mounting pipe, the other end of the oil guide pipe extends to the upper part of a groove strip, the groove strip is arranged above the oil collecting box and connected with the box shell, and the bottom surface of the inner cavity of the groove strip is provided with an oil falling hole.