CN219222569U - Fan frame assembly of range hood and range hood - Google Patents

Abstract

The utility model discloses a fan frame assembly of a range hood and the range hood, wherein the fan frame assembly of the range hood comprises a fan frame and is characterized in that: the fan frame comprises a top plate, a coaming and a fan cover, wherein the coaming is hollow, the top plate is arranged at the top end of the coaming, and the fan cover is arranged at the bottom end of the coaming; the periphery of roof is formed with first turn-ups, first turn-ups are fixed with the bounding wall top. Compared with the prior art, the utility model has the advantages that: through setting up first turn-ups to utilize turn-ups and bounding wall to fix, not only connect sealing performance good, avoid the oil leak, but also can improve joint strength.

Description

Fan frame assembly of range hood and range hood

Technical Field

The utility model relates to an oil smoke purifying device, in particular to a fan frame assembly of a range hood and the range hood using the fan frame assembly.

Background

A range hood has become one of the indispensable kitchen appliances in modern families, and generally, the range hood comprises a top-suction type and a side-suction type, and the range hood with the top-suction type has been increasingly used due to the advantages of being neat and light, occupying small space, and the like. The top suction type range hood generally comprises a fume collecting hood and a fan frame positioned on the fume collecting hood, wherein a volute, an impeller and a motor for driving the impeller are arranged in the fan frame.

The pneumatic noise of the fan is used as a main sound source of the range hood, and the distance between the fan and a user can greatly influence the use experience of the user. For this reason, there is a ceiling fan, which is placed on the ceiling to isolate noise. The utility model discloses a range hood according to China patent publication 201821517326.1, which comprises a smoke collecting hood, a centrifugal fan and a flow guide channel arranged between the smoke collecting hood and the centrifugal fan, wherein the centrifugal fan is arranged at the top of the range hood and is arranged in such a way that the axis of an impeller of the centrifugal fan is along the vertical direction, an inlet of the flow guide channel is connected with the smoke collecting hood, an outlet of the flow guide channel is opposite to a fan air inlet of the centrifugal fan, the fan air inlet faces downwards, and the centrifugal fan is arranged above a suspended ceiling.

This kind of furred ceiling range hood, the fan is horizontal to be arranged, for the fan of indulging the placement, the during operation can have more greasy dirt to throw away under the effect of centrifugal force to condense to the box (fan frame) lateral wall that is used for holding fan, there is the problem that lateral wall oil leak easily, the appearance personally submits tear mark form, exists great potential safety hazard.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a fan frame assembly of a range hood, which aims at overcoming the defects of the prior art, improves the sealing performance and avoids oil leakage.

The second technical problem to be solved by the utility model is to provide a range hood with the fan frame assembly.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a fan frame subassembly of range hood, includes the fan frame, its characterized in that: the fan frame comprises a top plate, a coaming and a fan cover, wherein the coaming is hollow, the top plate is arranged at the top end of the coaming, and the fan cover is arranged at the bottom end of the coaming; the periphery of roof is formed with first turn-ups, first turn-ups are fixed with the bounding wall top.

Through setting up first turn-ups to utilize turn-ups and bounding wall to fix, not only connect sealing performance good, avoid the oil leak, but also can improve joint strength.

According to one aspect of the utility model, the first flanging is formed by bending downwards the outer periphery of the top plate, and the first flanging and the inner side of the top end of the coaming are fixed through full-periphery laser welding, so that the risk of cold joint leakage welding can be avoided.

According to another aspect of the present utility model, the first flange includes a first extension portion extending downward from the outer periphery of the top plate and a second extension portion extending bent upward from the bottom of the first extension portion;

the top of bounding wall is formed with the second turn-ups, the second turn-ups inserts between the first extension portion of first turn-ups and the second extension portion and realize compressing tightly sealedly, can not have the risk of rosin joint leakage welding, and joint strength is high moreover, and sealing performance is good.

Further, be provided with the installing support that is used for installing electrical apparatus box on the bounding wall, installing support and bounding wall welded fastening have avoided the oil leak risk that the screw connection brought.

Further, the position that is close to the bottom in the bounding wall outside is provided with the fixed bolster that is used for with fan cover fixed, fixed bolster and bounding wall welded fastening have avoided the oil leak risk that the screw connection brought.

Further, the position that is close to the top in the bounding wall outside is provided with the couple that is used for hanging fan frame subassembly wholly on outside installation basis, with the couple setting on the bounding wall, can improve joint strength, ensures installation reliability.

Further, the couple is fixed through first screw and bounding wall, is provided with the grease proofing cover in bounding wall inboard and first screw position department of corresponding, the grease proofing cover covers first screw, through setting up the grease proofing cover, avoids the part that first screw passed to expose in the oil circuit, guarantees the leakproofness of junction.

Further, the oil shield is internally provided with the fixing column, the oil shield and the coaming are fixed through the fixing column and the coaming by the second screw, so that the oil shield and the coaming are fixed, and the fixed position of the oil shield is prevented from being exposed in an oil way.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a range hood, includes fan, its characterized in that: the range hood is provided with the fan frame assembly, and the fan is arranged in the fan frame.

Further, the fans are arranged horizontally.

Compared with the prior art, the utility model has the advantages that: the first flanging is arranged, so that the flanging is fixed with the coaming, the connection sealing performance is good, oil leakage is avoided, and the connection strength is improved; the hook is arranged on the coaming, so that the connection strength can be improved, and the installation reliability is ensured; through set up grease proofing cover in the junction of couple and bounding wall, avoid junction to expose in the oil circuit, guarantee the leakproofness of junction.

Drawings

Fig. 1 is a schematic view of a fan frame assembly and a fan of a range hood according to a first embodiment of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged schematic view of portion I of FIG. 3;

fig. 5 is a schematic view of a fan frame assembly oil shield of a range hood according to a first embodiment of the present utility model;

FIG. 6 is a cross-sectional view of FIG. 1 (hidden oil shield);

fig. 7 is a sectional view of a fan frame assembly and a fan of a range hood according to a second embodiment of the present utility model;

fig. 8 is an enlarged schematic view of the portion ii of fig. 7.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

Example 1

Referring to fig. 1 to 6, a fan frame assembly of a range hood includes a fan frame 1, a hanger 2 and a mounting bracket 3. A fan 100 can be arranged in the fan frame assembly, and the fan 100 is horizontally arranged. The fan frame assembly is mainly used for a suspended ceiling range hood, namely, the fan frame assembly is arranged on a suspended ceiling of a kitchen. Alternatively, the device can be used for other forms of range hoods, such as a top-suction range hood, a split range hood and the like.

The fan frame 1 comprises a top plate 11, a coaming 12 and a fan cover 13, wherein the coaming 12 is a hollow cuboid with upper and lower openings, namely, the coaming 12 is provided with four side walls. The roof 11 sets up on the top of bounding wall 12, and fan cover 13 sets up in the bottom of bounding wall 12. The periphery of roof 11 is formed with the first turn-ups 111 of buckling downwards, and first turn-ups 111 and coaming 12 top inboard are fixed through full week laser welding, guarantee the leakproofness, and with first board 111 welded scheme that turns over, do not have the risk of rosin joint leakage welding, joint strength is also better, factor of safety is high. The coaming 12 itself is spot welded.

The coaming 12 is provided with a mounting bracket 3 for fixing with an electrical box (not shown) of the range hood. The mounting bracket 3 is fixed to the outside of the coaming 12 by welding, such as spot welding. A fixing bracket 121 is arranged on the outer side of the coaming 12 near the bottom end and is used for being fixed with the fan cover 13, and fasteners such as screws can penetrate through the fan cover 13 and the fixing bracket 121 to fix the coaming 12 and the fan cover 13. The fixing bracket 121 is also fixed by welding, such as spot welding. Therefore, the two external brackets are fixed through spot welding, and the oil leakage risk brought by screw connection is avoided.

The position outside the coaming 12 near the top end is provided with a hook 2 for hanging the fan frame assembly on the outside installation foundation, preferably a ceiling above a suspended ceiling, so that the installation strength can be ensured, and the fan frame assembly is safer and more reliable. The hanger 2 is fixed to the shroud 12 by a first screw 21. In order to avoid leakage of oil stains from the fixed position of the first screw 21, an oil shield 22 is arranged at the position, corresponding to the position of the first screw 21, of the inner side of the coaming 12, the first screw 21 is covered by the oil shield 22, the part, penetrating through the first screw 21, of the oil stains is prevented from being exposed in the oil paths, and the tightness of the connecting position is ensured. The oil shield 22 is internally provided with a fixing column 221, and the second screw 23 can pass through the fixing column 221 and the coaming 12, so that the oil shield 22 is fixed with the coaming 12, and the second screw 23 is prevented from being exposed in an oil path.

Example two

Referring to fig. 7 and 8, in the present embodiment, the difference from the first embodiment described above is that the top plate 11 and the surrounding plate 12 are not fixed by welding but mechanically connected. The first flange 111 is formed by bending and extending downward a certain distance from the periphery of the top plate 11 and then bending and extending upward, and thus the first flange 111 includes a first extension 1111 extending downward from the periphery of the top plate 11 and a second extension 1112 extending upward from the bottom of the first extension 1111. The top of the coaming 12 is formed with a second flange 122, and the second flange 122 is inserted between the first extension 1111 and the second extension 1112 of the first flange 111 to realize compression seal, so that oil stains cannot pass along the extended bending path, and sealing reliability is better.

Claims (10)

1. The utility model provides a fan frame subassembly of range hood, includes fan frame (1), its characterized in that: the fan frame (1) comprises a top plate (11), a coaming (12) and a fan cover (13), wherein the coaming (12) is hollow, the top plate (11) is arranged at the top end of the coaming (12), and the fan cover (13) is arranged at the bottom end of the coaming (12); the periphery of the top plate (11) is provided with a first flanging (111), and the first flanging (111) is fixed with the top end of the coaming (12).

2. The fan frame assembly of a range hood of claim 1, wherein: the first flanging (111) is formed by bending downwards the periphery of the top plate (11), and the inner sides of the top ends of the first flanging (111) and the coaming (12) are fixed through full-periphery laser welding.

3. The fan frame assembly of a range hood of claim 1, wherein: the first flanging (111) comprises a first extension part (1111) extending downwards from the outer periphery of the top plate (11) and a second extension part (1112) bending upwards from the bottom of the first extension part (1111);

a second flanging (122) is formed at the top of the coaming (12), and the second flanging (122) is inserted between the first extension part (1111) and the second extension part (1112) of the first flanging (111) to realize compression sealing.

4. A fan frame assembly according to any one of claims 1 to 3, wherein: the electric appliance box is characterized in that a mounting bracket (3) for mounting the electric appliance box is arranged on the coaming (12), and the mounting bracket (3) is fixedly welded with the coaming (12).

5. A fan frame assembly according to any one of claims 1 to 3, wherein: the fixing support (121) used for being fixed with the fan cover (13) is arranged at the position, close to the bottom end, of the outer side of the coaming (12), and the fixing support (121) is fixed with the coaming (12) in a welding mode.

6. A fan frame assembly according to any one of claims 1 to 3, wherein: the position outside bounding wall (12) is close to the top is provided with couple (2) that are used for hanging fan frame subassembly whole on outside installation basis.

7. The fan frame assembly of a range hood of claim 6, wherein: the hook (2) is fixed with the coaming (12) through a first screw (21), an oil-proof cover (22) is arranged at the position corresponding to the first screw (21) on the inner side of the coaming (12), and the oil-proof cover (22) covers the first screw (21).

8. The fan frame assembly of a range hood of claim 7, wherein: a fixing column (221) is formed in the oil shield (22), and a second screw (23) penetrates through the fixing column (221) and the coaming (12) to fix the oil shield (22) and the coaming (12).

9. A range hood comprising a fan (100), characterized in that: the range hood is applied with the fan frame assembly as claimed in any one of claims 1 to 8, and the fan (100) is arranged in the fan frame (1).

10. The range hood of claim 9, wherein: the fans (100) are arranged horizontally.

Images