CN217401259U

CN217401259U - Wind wheel with centrifugal structure

Info

Publication number: CN217401259U
Application number: CN202221400793.2U
Authority: CN
Inventors: 乐柱全; 罗嘉豪; 王法征; 王贤康
Original assignee: Guangdong Sunwill Precising Plastic Co Ltd
Current assignee: Guangdong Sunwill Precising Plastic Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-09
Anticipated expiration: 2032-06-07

Abstract

The application relates to the technical field of centrifugal wind wheels, in particular to a wind wheel with a centrifugal structure, which comprises a bottom plate, a frame and a plurality of blades; the middle part of the frame is an air inlet, the middle part of the bottom plate, which is close to one side of the frame, is provided with a rotating shaft, and the rotating shaft is externally connected with a driving shaft; the blades are arranged between the frame and the bottom plate, the blades are arranged around the rotating shaft at equal intervals, and an air outlet is formed between every two adjacent blades; the bottom plate is provided with a plurality of concave parts at equal intervals along the circumferential direction, each concave part is positioned between two adjacent blades, the concave parts are concave from the edge of the bottom plate to the center of a circle close to the middle part of the bottom plate, and the concave parts are in an approximate triangular shape; the utility model discloses can alleviate the weight of bottom plate for the wind wheel can be lighter, and it is faster to change, reaches reduction in production cost, improves the purpose of acting efficiency.

Description

Wind wheel with centrifugal structure

Technical Field

The utility model relates to a centrifugal wind wheel's technical field, especially a wind wheel with centrifugation structure.

Background

The centrifugal wind wheel is used for being installed inside a centrifugal fan, and the centrifugal fan is generally used for air extraction or refrigeration devices such as air conditioners, refrigerators, exhaust fans and the like.

At present, the manufacturing cost of the wind wheel rises along with the price of the product, production enterprises need to reduce the cost and improve the benefit, the technical content of the product is improved by adopting a new technology, a new process and a new material through technical transformation, the way of reducing the production cost is opened up, the new technology and the new process are actively adopted to save energy and reduce consumption, the consumption of raw materials is fundamentally reduced, and the realization of the cost control target is ensured while the quality target of the product is achieved.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a wind wheel with centrifugation structure has alleviateed the weight of bottom plate for the wind wheel can be lighter, turns to sooner, reaches reduction in production cost, improves the purpose of acting efficiency.

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

a wind wheel with a centrifugal structure comprises a bottom plate, a frame and a plurality of blades;

the middle part of the frame is an air inlet, the middle part of the bottom plate close to one side of the frame is provided with a rotating shaft, and the rotating shaft is used for being externally connected with a driving shaft;

the blades are arranged between the frame and the bottom plate, the blades are arranged around the rotating shaft at equal intervals, and an air outlet is formed between every two adjacent blades;

the bottom plate is equipped with a plurality of depressed parts along its circumference equidistance, each the depressed part is located between two adjacent blades, the depressed part is sunken to the middle part centre of a circle that is close to the bottom plate by the bottom plate edge, the depressed part is approximate triangle-shaped's shape.

Preferably, the position of the concave part closest to the center of the circle of the bottom plate is the vertex of the concave part, and one bevel edge of the concave part is arranged along the edge of the blade on one side; one end of the other oblique edge of the concave part, which is far away from the vertex, is superposed with the edge of the blade on the other side, and the superposed point is a blade parting point;

the blades are arranged in an annular shape, one ends of the blades close to the center of the bottom plate are located on the same small circle, the radius of the small circle is R2, the radius of the parting point of each blade from the center of the bottom plate is R1, D is defined as R1-R2, and D is not less than 15 mm.

Preferably, the included angle between the connecting line of the blade parting point and the center of the circle of the bottom plate and the inclined edge of the concave part is alpha, and alpha is more than 30 degrees and less than 50 degrees.

Preferably, the bottom plate is provided with a convex part, and a convex area of the convex part is a circle with the rotating shaft as the center of circle.

Preferably, the outer side wall of the rotating shaft is provided with a plurality of reinforcing ribs, one end of each reinforcing rib is connected with the bottom plate, the other end of each reinforcing rib extends along the axial direction of the rotating shaft, and the plurality of reinforcing ribs are arranged around the rotating shaft at equal intervals.

Preferably, the bottom of the reinforcing rib is connected with the bottom plate, and the width of the bottom of the reinforcing rib is larger than that of the top of the reinforcing rib.

Preferably, the material of wind wheel is plastics, wind wheel integrated into one piece.

The technical scheme comprises the following beneficial effects:

the concave part is arranged on the bottom plate, so that the area of the bottom plate is reduced, the weight of the bottom plate is reduced, the wind wheel can be lighter and can rotate faster, and the aims of reducing the production cost and improving the work efficiency are fulfilled; simultaneously, the both sides hypotenuse of depressed part is connected with the bottom of two adjacent blades respectively, and the thickness of bottom plate is 3mm, has consequently gone out the working face that thickness is 3mm more in the axial of wind wheel, has increased the whole working area of wind wheel, has the effect that effectively improves the amount of wind wheel.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an embodiment of the present invention;

fig. 3 is a schematic size diagram of an embodiment of the present invention.

Wherein: 1. a base plate; 11. a rotating shaft; 2. a frame; 3. a blade; 31. a blade parting point; 4. a recessed portion; 5. reinforcing ribs; 6. a raised portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

A wind wheel with a centrifugal structure according to an embodiment of the present invention is described below with reference to fig. 1 to 3, and includes a bottom plate 1, a frame 2, and a plurality of blades 3;

the middle part of the frame 2 is an air inlet, the middle part of the bottom plate 1 close to one side of the frame 2 is provided with a rotating shaft 11, and the rotating shaft 11 is externally connected with a driving shaft;

the blades 3 are arranged between the frame 2 and the bottom plate 1, the blades 3 are arranged around the rotating shaft 11 at equal intervals, and an air outlet is formed between every two adjacent blades 3;

bottom plate 1 is equipped with a plurality of depressed parts 4 along its circumference equidistance, each depressed part 4 is located between two adjacent blades 3, depressed part 4 is sunken to the middle part centre of a circle that is close to bottom plate 1 by bottom plate 1 edge, depressed part 4 is approximate triangle-shaped's shape.

Specifically, the wind wheel is used for being installed inside the fan, is equipped with a plurality of blades 3 on the wind wheel, and 1 one side of bottom plate is the bottom of wind wheel, and 2 one sides of frame are the top of wind wheel.

The shape of the bottom plate 1 on the market is round, and in the embodiment, the concave part 4 is arranged on the bottom plate 1, so that the area of the bottom plate 1 is reduced, the weight of the bottom plate 1 is reduced, the wind wheel can be lighter and can rotate faster, and the aims of reducing the production cost and improving the work efficiency are fulfilled; meanwhile, the bevel edges on two sides of the concave part 4 are respectively connected with the bottoms of the two adjacent blades 3, and the thickness of the bottom plate 1 is 3mm, so that the working surfaces with the thickness of 3mm are added in the axial direction of the wind wheel, the whole working area of the wind wheel is increased, and the effect of effectively improving the air quantity of the wind wheel is achieved.

Preferably, the position of the concave part 4 closest to the center of the bottom plate 1 is the vertex of the concave part 4, and one of the inclined edges of the concave part 4 is arranged along the edge of the blade 3 on one side; one end of the other oblique edge of the concave part 4, which is far away from the vertex, is superposed with the edge of the blade 3 on the other side, and the superposed point is a blade parting point 31; the blades 3 are arranged in a ring shape, one ends of the blades 3 close to the circle center of the bottom plate 1 are located on the same small circle, the radius of the small circle is R2, the radius of the blade parting point 31 from the circle center of the bottom plate 1 is R1, D is R1-R2, and D is larger than or equal to 15 mm. When the length data of the D is larger, the working area of the wind wheel can be increased, and therefore the air quantity of the wind wheel is effectively improved.

Preferably, the included angle between the connecting line of the blade parting point 31 and the circle center of the bottom plate 1 and the bevel edge of the concave part 4 is alpha, and alpha is more than 30 degrees and less than 50 degrees, so that the molded line of the back pressure surface of the blade 3 and the plane of the bottom plate 1 form a triangular support, the structural strength of the product is enhanced, and the high-speed performance of the wind wheel is better.

Preferably, the bottom plate 1 is provided with a convex part 6, and the convex area of the convex part 6 is a circle with the rotating shaft 11 as the center.

Specifically, the bottom plate 1 of the wind wheel is provided with the protruding portions 6, the overall strength and the deformation resistance of the wind wheel can be enhanced, the protruding portions on the bottom plate 1 can enhance the overall strength of the wind wheel, and meanwhile shrinkage deformation caused by material cooling in the production and manufacturing process can be resisted, so that the produced wind wheel is excellent in performance.

Preferably, the outer side wall of the rotating shaft 11 is provided with a plurality of reinforcing ribs 5, one end of each reinforcing rib 5 is connected with the bottom plate 1, the other end of each reinforcing rib extends along the axial direction of the rotating shaft 11, and the plurality of reinforcing ribs 5 are arranged around the rotating shaft 11 at equal intervals.

Specifically, because the wind wheel is whole to be connected with outside actuating shaft through rotation axis 11, and wind wheel itself has weight, the wind wheel also probably can produce the skew and rock because of centrifugal force at the rotation in-process, compare in traditional centrifugal wind wheel, strengthening rib 5 is add to this embodiment on rotation axis 11, can improve the joint strength between rotation axis 11 and the bottom plate 1, make the difficult deformation that produces of rotation axis 11 when the wind wheel is using, be difficult for resulting in rotation axis 11 to warp or fracture. In the present embodiment, the number of the reinforcing ribs 5 is set to five, which can better disperse the acting force.

Preferably, the bottom of the reinforcing rib 5 is connected with the bottom plate 1, and the width of the bottom of the reinforcing rib 5 is larger than that of the top of the reinforcing rib.

Specifically, the width of the bottom of the reinforcing rib 5 is larger than that of the top of the reinforcing rib, so that the bearing capacity of the bottom is better, and better stress and buffering effects are achieved.

Preferably, the wind wheel is made of plastic and is integrally formed.

Specifically, the centrifugal wind wheel of the embodiment is manufactured by injection molding and integral molding of a mold, so that the assembling process is eliminated, and the utilization rate and the production efficiency of production and manufacturing materials are improved.

Other configurations and operations of a wind turbine having a centrifugal structure according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A wind wheel with a centrifugal structure is characterized in that: comprises a bottom plate, a frame and a plurality of blades;

the middle part of the frame is an air inlet, the middle part of the bottom plate, which is close to one side of the frame, is provided with a rotating shaft, and the rotating shaft is externally connected with a driving shaft;

2. A wind rotor with a centrifugal structure according to claim 1, wherein: the position of the concave part closest to the center of the circle of the bottom plate is the vertex of the concave part, and one bevel edge of the concave part is arranged along the edge of the blade on one side; one end of the other oblique edge of the concave part, which is far away from the vertex, is superposed with the edge of the blade on the other side, and the superposed point is a blade parting point;

the blades are arranged in an annular shape, one ends of the blades close to the circle center of the bottom plate are located on the same small circle, the radius of the small circle is R2, the radius of the parting point of the blades from the circle center of the bottom plate is R1, D is R1-R2, and D is larger than or equal to 15 mm.

3. A wind rotor with a centrifugal structure according to claim 2, wherein: the included angle between the connecting line of the parting point of the blade and the circle center of the bottom plate and the bevel edge of the concave part is alpha, and alpha is more than 30 degrees and less than 50 degrees.

4. A wind rotor with a centrifugal structure according to claim 1, wherein: the bottom plate is provided with a convex part, and the convex area of the convex part is a circle taking the rotating shaft as the center of a circle.

5. A wind rotor with a centrifugal structure according to claim 1, wherein: the lateral wall of rotation axis is equipped with a plurality of strengthening ribs, the bottom plate is connected to the one end of strengthening rib, the other end is followed the axial extension of rotation axis, and is a plurality of the strengthening rib is arranged around the rotation axis equidistance.

6. A wind turbine with centrifugal structure according to claim 5, wherein: the bottom of the reinforcing rib is connected with the bottom plate, and the width of the bottom of the reinforcing rib is larger than that of the top of the reinforcing rib.

7. A wind rotor with a centrifugal structure according to claim 1, wherein: the wind wheel is made of plastic and is integrally formed.