CN219865584U - Ceiling machine and centrifugal wind wheel thereof - Google Patents

Abstract

The utility model relates to a ceiling machine and a centrifugal wind wheel thereof, comprising a chassis, a front ring and a plurality of centrifugal blades arranged between the chassis and the front ring along the same circumferential line, and the ceiling machine is characterized in that: the motor is characterized in that an assembly groove for installing the motor is formed in one side of the chassis, which is opposite to the centrifugal blades, the middle part of the inner wall of the assembly groove extends outwards to the end face of the chassis, heat dissipation blades are arranged on the end face of the chassis, the heat dissipation blades are circumferentially distributed on the outer side of the motor, and a heat dissipation air port is formed between every two adjacent heat dissipation blades. In the scheme, the motor is arranged in the assembly groove of the centrifugal wind wheel, the plurality of radiating blades extend from the middle part of the inner wall of the assembly groove of the centrifugal wind wheel to the chassis, after the centrifugal wind wheel is driven to rotate by the motor, the plurality of radiating blades also rotate to effectively guide and drive the air flow at the middle upper part of the assembly groove to be discharged out of the wind wheel along the end face of the chassis, and the air flow at the middle lower part of the assembly groove, which is closer to the motor, rises rapidly along with the air flow and is taken out of the wind wheel, so that the radial flow of the air in the assembly groove is accelerated.

Description

Ceiling machine and centrifugal wind wheel thereof

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to a ceiling fan and a centrifugal wind wheel thereof.

Background

The centrifugal wind wheel is a wind wheel which axially intakes air and radially outputs air, and uses centrifugal force to do work so as to make the air raise pressure.

The motor of the centrifugal fan is generally arranged at the concave part of the wheel disc of the centrifugal wind wheel, so that the assembly is convenient, the space is saved, but the heat is generated during the operation of the motor, the service life of the motor is not influenced in time, and certain potential safety hazards are provided.

One chinese patent of the utility model, publication No. CN115949618A, relates to a fan assembly with a heat dissipating fan inside the hub, which is advantageous in that the heat dissipating fan is opposite to the motor end cover, improving the reliability of the motor in heat dissipation and high rotation speed, without increasing the product space and additional cost of parts. In addition, the electric safety problem caused by the fact that the conventional motor is provided with the radiating holes is avoided.

In the above scheme, the bottom sets up the heat dissipation fan blade and is close to the motor in the cavity, and this heat dissipation fan blade only radially throws away the inner wall of touching the cavity after the bottom stirring with the hot air current, and the effect of the hot air current of dashing is limited, can't effectual quick heat dissipation, and the heat dissipation fan blade setting of bottom is inconvenient for the installation of motor.

Disclosure of Invention

In order to solve the above problems, a first object of the present utility model is to provide a centrifugal wind wheel, in which a plurality of heat dissipation blades are disposed at the periphery of a motor, so that the heat dissipation blades accelerate the radial flow of air during the operation process, thereby accelerating the heat dissipation of the motor; the second object of the present utility model is to provide a ceiling fan with the centrifugal wind wheel.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: including chassis, preceding circle set up in along same circumference the multi-disc centrifugal blade between chassis and the preceding circle, its characterized in that: the motor is characterized in that an assembly groove for installing the motor is formed in one side of the chassis, which is opposite to the centrifugal blades, the middle part of the inner wall of the assembly groove extends outwards to the end face of the chassis, heat dissipation blades are arranged on the end face of the chassis, the heat dissipation blades are circumferentially distributed on the outer side of the motor, and a heat dissipation air port is formed between every two adjacent heat dissipation blades.

According to the technical scheme, the motor is arranged in the assembly groove of the centrifugal wind wheel, the plurality of radiating blades are arranged on the chassis in an extending mode from the middle of the inner wall of the assembly groove of the centrifugal wind wheel, after the centrifugal wind wheel is driven to rotate by the motor, the plurality of radiating blades also rotate to effectively guide and drive air flow at the middle upper portion of the assembly groove to be discharged out of the wind wheel along the end face of the chassis, air flow at the middle lower portion of the assembly groove, which is closer to the motor, rises rapidly along with the air flow, is taken out of the wind wheel, air in the assembly groove flows radially, and the radiating blades are arranged at the middle upper portion of the assembly groove, so that assembly of the bottom of the assembly groove and the motor is facilitated.

Preferably, the whole cross section of the radiating blade is curved, and a plurality of radiating blades are circumferentially and regularly arranged. In the technical scheme, the whole section of the radiating blade is curved, and the radiating blade can guide and facilitate radial discharge of air flow; the plurality of radiating blades are circumferentially and regularly arranged, so that the air flow in the assembly groove can be uniformly and radially discharged.

Preferably, the inner ends of the radiating blades are bent to be close to the axle center of the chassis. In the technical scheme, the inner ends of the radiating blades are bent to enable the structure of the radiating blades to be more stable, and the radiating blades are close to the axis of the chassis and have a certain flow guiding function, so that air flow can be conveniently and rapidly thrown out along the curved surface.

Preferably, the assembly groove is a conical table groove with gradually enlarged diameters from inside to outside, and the arc between the notch of the conical table groove and the chassis is excessive. In the technical scheme, the assembly groove is a conical bench groove, so that air flow can flow upwards along with the conical wall, and the air flow can be discharged out of the assembly groove along the radial direction of the position due to the fact that the arc between the notch and the chassis is excessive.

Preferably, a radiating hole is formed in the side wall of the bottom of the assembly groove, a truncated cone cover is sleeved on one side of the assembly groove opposite to the motor, the inner wall of the truncated cone cover is provided with a baffle plate abutted to the outer wall of the assembly groove, and a radiating channel communicated with the radiating hole is formed between the truncated cone cover and the outer wall of the assembly groove. According to the technical scheme, the heat radiation holes are formed, so that the hot air flow part at the bottom can flow out from the heat radiation holes and be discharged into the wind wheel along the heat radiation channels, and the cone frustum cover is not only used for forming the heat radiation channels, but also is not interfered with the heat radiation holes during axial air inlet.

Preferably, a plurality of heat dissipation holes are circumferentially and regularly arranged, and a plurality of baffles are circumferentially and regularly arranged. In the technical scheme, the plurality of baffles improve the abutting stability and prevent the deformation of the cone frustum cover; and a plurality of settings of louvre are convenient for bottom hot gas flow circumference discharge, further improve assembly groove heat dispersion.

Preferably, the outer ends of the centrifugal blades are serrated. In the technical scheme, the outer ends of the centrifugal blades are designed in a zigzag mode, so that air flow can be stirred and broken when the wind wheel rotates, and abnormal sound or noise generated when the wind wheel operates is reduced.

Preferably, two clamping plates are constructed on the end surface of the front ring, which faces one side of the centrifugal blade, the inner ends of the clamping plates are curved plates which are bent towards the center of the front ring, a clamping opening with a narrow outer part and a wide inner part is formed between the two clamping plates, and a bending section clamped with the clamping opening is formed at the lower end of the centrifugal blade;

the clamping opening is internally provided with a clamping groove, a convex block is arranged in the clamping groove in an upward extending mode, and two end portions of the convex block extend upwards to form a clamping protrusion; the front end and the rear end of the bottom surface of the bending section are respectively provided with an arc-shaped strip and a straight strip which are clamped with the clamping groove, and a butt joint hole which is spliced with the convex block is formed between the arc-shaped strip and the straight strip on the bending section.

Among the above-mentioned technical scheme, through the lower extreme of two curved plate joint centrifugal blade to and through clamping groove and lug and centrifugal blade's lower extreme assembly, can realize centrifugal blade's location on preceding circle fast, the assembly of being convenient for, and greatly increased centrifugal blade and preceding welding area between the circle, make centrifugal blade through ultrasonic welding on preceding circle enough the structure more stable.

A ceiling fan comprising a centrifugal wind wheel according to any one of the above, and a motor mounted in an assembly slot of the centrifugal wind wheel.

Drawings

Fig. 1 is a schematic perspective view of a centrifugal wind wheel.

Fig. 2 is a schematic view of the arrangement of the heat dissipation holes.

Fig. 3 is an assembly schematic of a cone frustum cover.

Fig. 4 is a schematic perspective view of a truncated cone cover.

Fig. 5 is a schematic perspective view of the front ring.

Fig. 6 is a schematic end view of a centrifugal blade.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

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", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

The centrifugal wind wheel as shown in fig. 1-6 comprises a chassis 1, a front ring 2 and a plurality of centrifugal blades 3 arranged between the chassis 1 and the front ring 2 along the same circumferential line, wherein an assembly groove 4 for installing a motor is formed on one side of the chassis 1 opposite to the centrifugal blades 3, a radiating blade 5 is arranged on the middle part of the inner wall of the assembly groove 4, which extends outwards to the end face of the chassis 1, the radiating blades 5 are arranged on the outer side of the motor in a plurality of pieces and are circumferentially distributed, and a radiating air port 6 is formed between the adjacent radiating blades 5.

In the technical scheme, the motor is arranged in the assembly groove 4 of the centrifugal wind wheel, the plurality of radiating blades 5 are arranged on the middle part of the inner wall of the assembly groove 4 of the centrifugal wind wheel in an extending manner to the chassis, after the centrifugal wind wheel is driven to rotate by the motor, the plurality of radiating blades 5 also rotate to effectively guide and drive the air flow at the middle upper part of the assembly groove 4 to be discharged out of the wind wheel along the end face of the chassis 1, the air flow at the middle lower part of the assembly groove 4, which is closer to the motor, is rapidly lifted along with the air flow and is brought out of the wind wheel, the radial flow of the air in the assembly groove 4 is accelerated, and the radiating blades 5 are arranged at the middle upper part of the assembly groove 4, so that the assembly of the bottom of the assembly groove 4 and the motor is more convenient.

Further, the whole cross section of the heat dissipation blade 5 is in a curved surface shape, and a plurality of heat dissipation blades 5 are circumferentially and regularly arranged. In the technical scheme, the whole section of the radiating blade 5 is curved, and the radiating blade can guide and facilitate radial discharge of air flow; and the plurality of radiating fins 5 are circumferentially and regularly arranged, so that the air flow in the assembly groove 4 can be uniformly and radially discharged.

Further, the inner ends of the radiating blades 5 are bent to be close to the axle center of the chassis 1. In the technical scheme, the inner ends of the radiating blades 5 are bent to enable the structure of the radiating blades 5 to be more stable, and the axial center of the radiating blades, which is close to the chassis 1, has a certain diversion effect and can facilitate the air flow to be thrown out radially along the curved surface.

Further, the assembly groove 4 is a conical table groove with gradually enlarged diameters from inside to outside, and the arc between the notch of the conical table groove and the chassis 1 is excessive. In the technical scheme, the assembly groove 4 is a conical table groove, so that air flow can flow upwards along with the conical wall, and air flow can be discharged out of the assembly groove along the radial direction of the position due to excessive arc between the notch and the chassis 1.

Further, a heat dissipation hole 7 is formed in the bottom side wall of the assembly groove 4, a truncated cone cover 8 is sleeved on one side of the assembly groove 4 opposite to the motor, a baffle 9 abutted to the outer wall of the assembly groove 4 is formed on the inner wall of the truncated cone cover 8, and a heat dissipation channel 10 communicated with the heat dissipation hole 7 is formed between the truncated cone cover 8 and the outer wall of the assembly groove 4. In this technical scheme, the arrangement of the heat dissipation holes 7 can enable the hot air flow part at the bottom to flow out from the heat dissipation channel 10 and be discharged into the wind wheel, and the truncated cone cover 8 is not only used for forming the heat dissipation channel 10, but also is not interfered with the heat dissipation holes during axial air inlet.

Further, a plurality of heat dissipation holes 7 are regularly arranged in the circumferential direction, and a plurality of baffles 9 are regularly arranged in the circumferential direction. In the technical scheme, the plurality of baffles 9 improve the abutting stability and prevent the deformation of the cone frustum cover 8; and the plurality of heat dissipation holes 7 are arranged to facilitate the circumferential discharge of the bottom hot air flow, so that the heat dissipation performance of the assembly groove is further improved.

Further, the outer ends of the centrifugal blades 3 are serrated. In the technical scheme, the outer ends of the centrifugal blades are designed in a zigzag mode, so that air flow can be stirred and broken when the wind wheel rotates, and abnormal sound or noise generated when the wind wheel operates is reduced.

Further, two clamping plates 11 are constructed on the end face of the front ring 2 facing to one side of the centrifugal blade 3, the clamping plates 11 are curved plates with inner ends bent towards the center of the front ring 2, a clamping opening with outer narrow and inner wide is formed between the two clamping plates 11, and a bending section clamped with the clamping opening is formed at the lower end of the centrifugal blade 3;

the clamping opening is internally provided with a clamping groove 12, a protruding block 13 extends upwards in the clamping groove 12, and two end parts of the protruding block 13 extend upwards to form a clamping protrusion 14; the front end and the rear end of the bottom surface of the bending section are respectively provided with an arc-shaped strip 15 and a straight strip 16 which are clamped with the clamping groove 12, and a butt joint hole 17 which is spliced with the convex block 13 is formed between the arc-shaped strip 15 and the straight strip 16 on the bending section.

In the above-mentioned technical scheme, through the lower extreme of two curved plate joint centrifugal blade 3 to and through clamping groove 12 and lug 13 and centrifugal blade's lower extreme assembly, can realize centrifugal blade's location on preceding circle fast, the assembly of being convenient for, and greatly increased centrifugal blade 3 and preceding circle 2 between the welding area, make centrifugal blade 3 through ultrasonic welding on preceding circle enough the structure more stable.

In the specific embodiment, the situation that the existing centrifugal wind wheel is not provided with radiating blades for radiating the motor or the existing radiating blades are not reasonably distributed, so that hot air flow around the motor is not timely scattered or the dispersion effect is poor is solved; according to the scheme, the plurality of radiating blades 5 extending to the end face of the chassis 1 are arranged in the conical table groove-shaped assembly groove 4 for installing the motor, so that the radial flow of air flow in the assembly groove 4 can be accelerated, the radiating holes are formed in the bottom of the assembly groove 4, the radiating channels are formed in the outer parts of the radiating holes, the periphery of the motor is well radiated, and the service life of the motor is prolonged.

Examples

A ceiling machine comprises a centrifugal wind wheel in the first embodiment and a motor arranged in an assembly groove 4 of the centrifugal wind wheel.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims (9)

1. The utility model provides a centrifugal wind wheel, includes chassis (1), preceding circle (2) and along same circumference setting up in multi-disc centrifugal blade (3) between chassis (1) and preceding circle (2), its characterized in that: the motor is characterized in that an assembly groove (4) for installing a motor is formed in one side, opposite to the centrifugal blades (3), of the chassis (1), radiating blades (5) are arranged on the middle portion of the inner wall of the assembly groove (4) and extend outwards to the end face of the chassis (1), the radiating blades (5) are distributed on the outer side of the motor in a circumferential mode, and a radiating air port (6) is formed between every two adjacent radiating blades (5).

2. A centrifugal wind wheel according to claim 1, wherein: the whole cross section of each radiating blade (5) is in a curved surface shape, and a plurality of radiating blades (5) are circumferentially and regularly arranged.

3. A centrifugal wind wheel according to claim 2, wherein: the inner ends of the radiating blades (5) are bent to be close to the axle center of the chassis (1).

4. A centrifugal wind wheel according to claim 2, wherein: the assembly groove (4) is a conical table groove with gradually enlarged diameters from inside to outside, and the arc between the notch of the conical table groove and the chassis (1) is excessive.

5. A centrifugal wind wheel according to claim 4, wherein: the bottom side wall of the assembly groove (4) is provided with a heat dissipation hole (7), one side of the assembly groove (4) opposite to the motor is sleeved with a truncated cone cover (8), a baffle (9) abutted to the outer wall of the assembly groove (4) is constructed on the inner wall of the truncated cone cover (8), and a heat dissipation channel (10) communicated with the heat dissipation hole (7) is formed between the truncated cone cover (8) and the outer wall of the assembly groove (4).

6. A centrifugal wind wheel according to claim 5, wherein: a plurality of radiating holes (7) are regularly arranged in the circumferential direction, and a plurality of baffles (9) are regularly arranged in the circumferential direction.

7. A centrifugal wind wheel according to claim 1, wherein: the outer ends of the centrifugal blades (3) are in a zigzag shape.

8. A centrifugal wind wheel according to claim 7, wherein: two clamping plates (11) are constructed on the end face of the front ring (2) facing one side of the centrifugal blade (3), the clamping plates (11) are curved plates with inner ends bent towards the center of the front ring (2), clamping openings with outer narrow and inner wide are formed between the two clamping plates (11), and a curved section clamped with the clamping openings is formed at the lower end of the centrifugal blade (3);

the clamping opening is internally provided with a clamping groove (12), a protruding block (13) is arranged in the clamping groove (12) in an upward extending mode, and two end portions of the protruding block (13) are upwards extended to form clamping protrusions (14); the front end and the rear end of the bottom surface of the bending section are respectively provided with an arc-shaped strip (15) and a straight strip (16) which are clamped with the clamping groove (12), and a butt joint hole (17) which is spliced with the convex block (13) is formed between the arc-shaped strip (15) and the straight strip (16) on the bending section.

9. A smallpox machine, characterized in that: a centrifugal wind wheel comprising a centrifugal wind wheel according to any one of claims 1-8 and a motor mounted in an assembly groove (4) of the centrifugal wind wheel.