CN216518734U

CN216518734U - Oil collection assembly for fan, fan structure and kitchen appliance

Info

Publication number: CN216518734U
Application number: CN202122500027.5U
Authority: CN
Inventors: 王帅; 邓鹏飞; 付成冲; 李承鹏; 王秀飞; 张康康
Original assignee: Haier Smart Home Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-13
Anticipated expiration: 2031-10-18

Abstract

The utility model belongs to the technical field of household appliances, and discloses an oil collecting assembly for a fan, a fan structure and a kitchen appliance. The oil collecting assembly for the fan comprises an oil net, an oil collecting ring, an oil net motor and a support. The oil screen is arranged at an air inlet of the fan, and the oil screen motor is connected with the oil screen and used for driving the oil screen to rotate so as to throw oil intercepted by the oil screen into the oil collecting ring on the periphery of the oil screen; the support includes mounting panel, reinforcement and two at least splice bars, the oil net motor install in on the mounting panel, the reinforcement set up in on the mounting panel, two at least splice bars are followed the circumference setting of mounting panel, the one end of splice bar with the reinforcement is connected, the other end with the collection oil ring is connected. The support can stably support the oil net motor in the oil collecting assembly, and has small influence on the efficiency of the fan.

Description

Oil collection assembly for fan, fan structure and kitchen appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to an oil collecting assembly for a fan, a fan structure and a kitchen appliance.

Background

The integrated kitchen range is a kitchen appliance integrating multiple functions of a range hood, a gas stove, a disinfection cabinet, a storage cabinet and the like, and has the advantages of space saving, good oil fume extraction effect, energy saving, low consumption, environmental protection and the like. A fan is arranged in the air duct of the integrated stove and can drive airflow in the air duct to flow. Along with the extension of integrated kitchen live time, the easy grease that piles up on the fan surface influences the efficiency of fan, and the user that is not convenient for of the accumulational grease on the fan is clean.

In order to solve the problems, an oil collecting piece, an oil screen and an oil screen motor are additionally arranged at an air inlet of the fan in the industry, the oil screen motor drives the oil screen to rotate, and oil intercepted by the oil screen is thrown into the oil collecting piece by utilizing centrifugal force, so that self-cleaning of the fan is realized. However, in the fixing structure of the existing oil mesh motor, although part of the structural strength meets the requirements, the air inlet of the fan can be shielded due to the large size, and the efficiency of the fan is influenced; the efficiency of fan is guaranteed to partial structure setting less size, but intensity is not enough, leads to the poor stability of oil net motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil collecting assembly for a fan, which can solve the problems that the fan efficiency is influenced and the fixing effect of an oil net motor is poor due to the fixing structure of the oil net motor in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a sump assembly for a fan, comprising:

the oil net is arranged at an air inlet of the fan;

the oil collecting ring is sleeved outside the oil net and is fixed with the fan;

the oil screen motor is connected with the oil screen and used for driving the oil screen to rotate so as to throw the oil intercepted by the oil screen into the oil collecting ring;

the support, the support includes mounting panel, reinforcement and two at least splice bars, the oil net motor install in on the mounting panel, the reinforcement set up in on the mounting panel, two at least splice bars are followed the circumference setting of mounting panel, the one end of splice bar with the reinforcement is connected, the other end with the collection oil ring is connected.

Wherein the reinforcing member is a reinforcing plate; the reinforcing plate is provided with a mounting groove, and one end of the connecting rib is fixed in the mounting groove.

The connecting rib comprises a first extending section and a second extending section which are perpendicular and connected, the first extending section is connected with the reinforcing piece, and the second extending section is connected with the oil collecting ring.

The mounting plate, the reinforcing piece and the connecting ribs are all formed by adopting a stamping process.

And the connecting ribs are welded and fixed with the oil collecting ring.

Wherein the width and/or thickness of the connecting rib is not more than 5 mm.

The oil collecting ring is arranged on the inner side wall of the oil collecting ring, and the center of the oil screen is opposite to the center of the oil collecting groove in the axis direction of the oil collecting ring.

Wherein, be provided with on the oil collecting ring with the oil drain port of oil trap intercommunication.

The utility model also aims to provide a fan assembly which can solve the problems that the fan efficiency is influenced and the fixing effect of an oil net motor is poor due to the oil net motor fixing structure in the prior art.

a fan structure comprises a fan and the oil collecting assembly for the fan.

Still another object of the present invention is to provide a kitchen appliance having a fan structure with a washing-free function, which reduces the frequency and difficulty of cleaning for the user.

an electric appliance for kitchen use comprises the fan structure.

The utility model has the beneficial effects that:

in the oil collecting assembly for the fan, the strength of the mounting plate can be improved by arranging the reinforcing piece on the bracket, so that the size of the mounting plate along the radial direction of the oil screen can be set to be smaller, only the oil screen motor can be fixed, the shielding of the oil screen and the air inlet can be reduced, and the influence on the efficiency of the fan is reduced; at least two splice bars set up along the circumference of mounting panel to connect oil collecting ring and mounting panel, can make the mounting panel make somebody a mere figurehead in the front side of oil net, the mounting panel can be walked around by the circumference of mounting panel to the air current is through oil net and air intake.

Fan structure and kitchen are with electrical apparatus through setting up above-mentioned oil collecting assembly, can realize exempting from of fan and wash, reduce the frequency that the user washd the fan, improve user's use and experience.

Drawings

Fig. 1 is a front view of a fan structure according to a first embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a schematic structural diagram of a bracket according to an embodiment of the present invention;

FIG. 5 is a side view of a fan structure according to one embodiment of the present invention;

fig. 6 is an exploded view of a fan structure according to an embodiment of the present invention.

In the figure:

1. a fan; 11. a volute; 12. an impeller; 13. a drive motor; 14. a wind guide ring; 2. an oil collecting assembly for the fan; 21. an oil mesh motor; 22. an oil screen; 23. an oil collecting ring; 231. an oil sump; 24. a support; 241. mounting a plate; 2411. a central bore; 242. a reinforcement; 2421. mounting grooves; 243. connecting ribs; 2431. a first extension section; 2432. a second extension section; 2433. and (3) a support leg.

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 utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

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, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular 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.

Example one

As shown in fig. 1, the embodiment provides a fan structure, which can be used in a range hood or an integrated stove for driving oil smoke to flow. The fan structure comprises a fan 1 and an oil collecting assembly 2 for the fan. A collection oil assembly 2 for fan sets up on fan 1 for the oil smoke of interception through fan 1 to collect the fluid that carries in the oil smoke, avoid fluid to pile up in 1 surface of fan or 1 inside of fan, thereby realize fan 1's cleaning free function, reduce user's cleaning frequency, improve user's use and experience.

Specifically, the oil collecting assembly 2 for the fan includes an oil screen 22, an oil collecting ring 23, an oil screen motor 21, and a bracket 24. The oil screen 22 is arranged at the air inlet of the fan 1, and the oil collecting ring 23 is sleeved outside the oil screen 22 and fixed with the fan 1. The bracket 24 is used for fixing the oil screen motor 21, the bracket 24 is connected with the oil collecting ring 23, and the oil screen motor 21 and the oil screen 22 are fixed on the fan 1 through the oil collecting ring 23. Oil net motor 21 drive oil net 22 rotates, and the oil smoke through fan 1 air intake department is intercepted by oil net 22, and under the effect of the centrifugal force that oil net 22 rotated the production, fluid in the oil smoke was got rid of to in the oil collecting ring 23 of oil net 22 periphery to realize fluid collection. Through setting up the collection oil subassembly, can collect the fluid in the oil smoke through fan 1 in the collection oil ring 23 to avoid fluid and fan 1 contact, realize fan 1 exempts from to clean the function.

As shown in fig. 2, the fan 1 includes a scroll casing 11, an impeller 12 rotatably disposed in the scroll casing 11, and a drive motor 13 for driving the impeller 12 to rotate. An air inlet is formed in the volute 11, and when the driving motor 13 drives the impeller 12 to rotate, negative pressure is formed in the volute 11, and oil smoke enters the volute 11 through the air inlet. The oil screen 22 is arranged at the front side of the air inlet, that is, the air flow firstly passes through the oil screen 22 and enters the air inlet, so that oil in the oil smoke firstly passes through the oil screen 22 to be separated and then enters the volute casing 11, and the cleanness degree of the volute casing 11 can be further ensured. The oil collecting ring 23 is annular, is arranged around the circumference of the air inlet and is fixed with the volute 11, and the oil collecting ring 23 is sleeved outside the oil screen 22 so that oil thrown out through the oil screen 22 can be collected in the oil collecting ring 23.

As shown in fig. 3, an oil collecting groove 231 is formed on the inner wall of the oil collecting ring 23, and the oil collecting groove 231 is an annular groove for containing oil. In order to ensure that the oil can smoothly enter the oil collecting groove 231, the opening of the oil collecting groove 231 is opposite to the outer circumferential surface of the oil screen 22, and the axial size of the opening along the oil screen 22 is larger than that of the oil screen 22, so that the oil on the surface of the oil screen 22 can be smoothly thrown into the oil collecting groove 231 under the centrifugal action.

Further, along the axis direction of oil net 22, the center of oil net 22 is just right opposite to the center of oil sump 231 to further guarantee that the fluid on oil net 22 can be thrown into oil sump 231 smoothly.

In order to prevent the oil entering the oil collecting groove 231 from overflowing the oil collecting groove 231, the side wall of the oil collecting groove 231, which is away from the air inlet along the axial direction of the oil screen 22, is an inward concave arc surface, so that the edge of the groove wall of the oil collecting groove 231 is of a tilted arc structure, and the oil can be prevented from overflowing.

Further, the oil collecting ring 23 is provided with an oil discharge port communicating with the oil sump 231. Through setting up the oil drain, can discharge the fluid in the oil catch bowl 231 in to the dirty box of collection to avoid the interior fluid of oil catch bowl 231 too much and spill over.

Alternatively, the oil drain may communicate with the lowest point of the oil sump 231 so as to drain all of the oil in the oil sump 231.

Because the oil screen motor 21 needs to be right opposite to the center of the oil screen 22, the oil screen motor 21 is right opposite to the air inlet, and then the bracket 24 for fixing the oil screen motor 21 can shield the air inlet, so that the effect of the fan 1 is influenced. If only the stability of the bracket 24 for fixing the oil net motor 21 is considered, the size of the bracket 24 is large, and the influence on the fan 1 is large; considering only the efficiency of the fan 1, the stability of the bracket 24 is deteriorated, and the oil screen 22 is easily deformed to be inclined or even interfere with the scroll casing 11.

To solve the above problem, as shown in fig. 4, the bracket 24 includes a mounting plate 241, a reinforcing member 242, and a connecting rib 243. The oil screen motor 21 is mounted on the mounting plate 241, the reinforcing member 242 is disposed on the mounting plate 241, one end of the connecting rib 243 is connected to the reinforcing member 242, and the other end is connected to the oil collecting ring 23. By arranging the reinforcing piece 242, the strength of the mounting plate 241 can be improved, so that the radial size of the mounting plate 241 along the oil screen 22 can be set to be small, the oil screen motor 21 can be fixed, the shielding of the oil screen 22 and an air inlet can be reduced, and the influence on the efficiency of the fan 1 is reduced; at least two connecting ribs 243 are arranged along the circumferential direction of the mounting plate 241 and connect the oil collecting ring 23 with the mounting plate 241, so that the mounting plate 241 can be overhead on the front side of the oil screen 22, and the air flow can bypass the mounting plate 241 from the circumferential direction of the mounting plate 241 to pass through the oil screen 22 and the air inlet.

Further, still be provided with centre bore 2411 on the mounting panel 241, partial oil net motor 21 wears to establish in centre bore 2411, can provide the positioning action to oil net motor 21 to further improve oil net motor 21's fixed effect.

In this embodiment, the connection rib 243 is provided with three, and three connection rib 243 evenly arranges along the circumference of oil net 22, can form stable supporting effect, and is little to the area that shelters from of air intake.

In other embodiments, two, four or more connection ribs 243 may be provided, and the specific number may be adjusted as needed.

In this embodiment, the stiffener 242 is a stiffener. In other embodiments, the reinforcing member 242 may be a reinforcing rib, as long as the strength of the mounting plate 241 can be improved.

Further, the reinforcing plate is further provided with a mounting groove 2421, and one end of the connecting rib 243 is fixed in the mounting groove 2421. By providing the mounting groove 2421, on the one hand, the positioning accuracy of the connecting rib 243 and the reinforcing plate can be improved, and on the other hand, the contact area between the connecting rib 243 and the reinforcing plate can be increased, so that the fixing effect of the connecting rib 243 and the reinforcing plate can be improved.

To facilitate the erection of the mounting plate 241 on the front side of the oil screen 22 by the connecting rib 243, the connecting rib 243 includes a first extension 2431 and a second extension 2432 which are perpendicular and connected, the first extension 2431 is connected with the reinforcing plate, and the second extension 2432 is connected with the oil collecting ring 23. First extension 2431 extends in the radial direction of oil screen 22, and second extension 2432 extends in the axial direction of oil screen 22, and first extension 2431 can be spaced apart from oil screen 22 by second extension 2432 to provide sufficient space for the flow of air.

In order to improve the fixing effect of the connecting rib 243 and the oil collecting ring 23, the end of the second extension 2432 is further provided with a leg 2433, and the cross-sectional area of the leg 2433 is larger than that of the second extension 2432, so that the contact area of the leg 2433 and the oil collecting ring 23 is increased, thereby improving the fixing effect.

Alternatively, the reinforcing plate may be fixed to the mounting plate 241 by means of screws, pins, or welding.

Alternatively, the legs 2433 may be secured to the oil gathering ring 23 by screws, pins, or welding.

In this embodiment, the bracket 24 is fixed to the oil collecting ring 23, so that the oil collecting assembly forms a modular structure, and the oil collecting assembly can be integrally disassembled and assembled with respect to the fan 1, so that the fan 1 and the oil collecting assembly are two independent modules and interfere with each other.

As shown in fig. 5, the oil screen motor 21 is disposed on a side of the mounting plate 241 facing the oil screen 22 so that the oil screen motor 21 is connected to the oil screen 22.

In this embodiment, the mounting plate 241, the reinforcing member 242, and the connecting rib 243 are formed by a stamping process. The stamping process has the advantages of high efficiency and low material consumption, and is favorable for reducing the processing cost. In addition, for the special-shaped part of the connecting rib 243, the special-shaped part can be formed in one step with high quality, and the strength and the rigidity of the part are met.

Optionally, the width and/or thickness of the ribs 243 is not greater than 5mm to reduce the resistance of the brackets 24 to the airflow, and to minimize the obstruction of the exhausted fumes to reduce the impact on the new performance of the fan 1. In the present embodiment, the width and thickness of the tie bar 243 are 4mm to further reduce the wind resistance.

As shown in fig. 6, an air guiding ring 14 is further disposed at an air inlet of the volute casing 11, and the air guiding ring 14 can guide air flow in the air inlet into the volute casing 11, so as to improve efficiency of the fan 1.

Example two

The embodiment provides a kitchen appliance, which comprises the fan structure in the first embodiment. This electrical apparatus for kitchen has fan 1 and exempts from the cleaning function, can reduce the fluid that gets into in the fan 1 through the collection oil subassembly to reduce the frequency that the user washed fan 1 manually, improve user's result of use.

Wherein, the electric appliance for kitchen can be an integrated kitchen range or a range hood.

It should 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, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. 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

1. An oil collection assembly for a fan, comprising:

the oil net (22) is arranged at an air inlet of the fan (1);

the oil collecting ring (23) is sleeved outside the oil net (22) and fixed with the fan (1);

the oil screen motor (21) is connected with the oil screen (22) and is used for driving the oil screen (22) to rotate so as to throw oil intercepted by the oil screen (22) into the oil collecting ring (23);

support (24), support (24) include mounting panel (241), reinforcement (242) and two at least splice bars (243), oil net motor (21) install in on mounting panel (241), reinforcement (242) set up in on mounting panel (241), two at least splice bars (243) are followed the circumference of mounting panel (241) sets up, the one end of splice bar (243) with reinforcement (242) are connected, the other end with oil collecting ring (23) are connected.

2. The oil collection assembly for a blower according to claim 1, wherein the reinforcement member (242) is a reinforcement plate; the reinforcing plate is provided with an installation groove (2421), and one end of the connecting rib (243) is fixed in the installation groove (2421).

3. The oil collection assembly for a fan according to claim 1, wherein the connection rib (243) comprises a first extension (2431) and a second extension (2432) that are perpendicular and connected, the first extension (2431) being connected with the stiffener (242), the second extension (2432) being connected with the oil collection ring (23).

4. The oil collecting assembly for the fan according to any one of claims 1 to 3, wherein the mounting plate (241), the reinforcing member (242) and the connecting rib (243) are formed by a stamping process.

5. The oil collecting assembly for the fan as claimed in any one of claims 1 to 3, wherein the connecting rib (243) is welded and fixed with the oil collecting ring (23).

6. The oil collecting assembly for a fan according to any one of claims 1 to 3, wherein the width and/or thickness of the connecting rib (243) is not more than 5 mm.

7. The oil collecting assembly for the fan according to any one of claims 1 to 3, wherein the inner side wall of the oil collecting ring (23) is provided with an oil collecting groove (231), and the center of the oil screen (22) is opposite to the center of the oil collecting groove (231) in the axial direction of the oil collecting ring (23).

8. The oil collecting assembly for the fan as claimed in claim 7, wherein the oil collecting ring (23) is provided with an oil discharge port communicated with the oil collecting groove (231).

9. A fan construction, characterized in that it comprises a fan (1) and an oil collecting assembly for a fan according to any one of claims 1-8.

10. A kitchen appliance comprising a fan structure according to claim 9.