CN215256963U - Environment-friendly aluminum alloy washing machine motor fan - Google Patents

Abstract

The utility model discloses an environmental protection aluminum alloy washing machine motor fan aims at solving present motor fan poor not enough of heat dissipation ability. The utility model discloses an including quotation, air inlet breach, first flabellum and second flabellum, be equipped with a plurality of radial floor in the quotation, the quotation core is sunken and be equipped with even shaft hole, radial floor is kept away from even shaft hole one end axial and is stretched out and form the second flabellum, be the air inlet breach between the adjacent second flabellum, the back of second flabellum is equipped with first flabellum, first flabellum includes the vice fan of first vice fan and second, the root of the vice fan of first vice fan and second meets, the vice fan of first vice fan and second is along radially stretching out and respectively to the left and right sides slope. The utility model discloses can fully inhale outside cold air, improve the radiating efficiency, increase the air current that the centrifugation was thrown away, improve the radiating efficiency.

Description

Environment-friendly aluminum alloy washing machine motor fan

Technical Field

The utility model relates to a washing machine part, more specifically say, it relates to an environmental protection aluminum alloy washing machine motor fan.

Background

With the continuous progress of science and technology, the motor is used as a core component of a power function, the application of the motor is very wide, and the requirement on quality is higher and higher. After the motor is powered on, the motor runs at a high speed, the armature assembly and the coil of the stator assembly are powered on to generate loss and heat, and in order to control the temperature rise of the motor within a reasonable range, the temperature needs to be timely reduced to ensure the normal work of functional components of the motor, for example, the heat dissipation is realized by increasing heat dissipation fan blades in the industry. The existing heat dissipation fan blade adopts a straight structure, the fan blade can only realize radial ventilation, and wind blown out in the radial direction enters a duct of a motor shell and is blown transversely along a heat dissipation groove of the motor shell to dissipate heat of the motor shell. However, the straight-blade fan can only blow out the air near the straight-blade fan, and the temperature of the air near the straight-blade fan is higher in the motor, so that the temperature reduction performance is limited.

The Chinese patent publication No. CN208508706U, entitled Motor high protection blade, discloses a motor high protection blade, which comprises a blade body and a blade axis, wherein the inner ring of the blade axis is provided with knurls; the fan blade body is provided with a plurality of hollow fan-shaped buffer elastic grooves which are uniformly distributed along the circumferential direction on the front side and the back side of the axis of the fan blade respectively; the middle diameter of the blade on the inner side of the blade body is provided with two dustproof and waterproof isolation rings. The utility model discloses just, the reverse side has increased eight fan-shaped buffering elastic grooves in fan blade axle center department, adopts fan blade axle cooperation department to use the annular knurl design, in the inboard blade of fan blade diameter department is equipped with, outer two circles get rid of the water circle.

However, most of the air blown out by the structure is the original air in the motor and a small part of the air passively enters the motor, and a washing machine motor fan which can fully suck the external cold air and improve the heat dissipation performance is urgently needed.

Disclosure of Invention

The utility model overcomes present motor fan heat dissipation ability is poor not enough, provides an environmental protection aluminum alloy washing machine motor fan, and it can make full use of outside cold air, improves the heat dispersion of unit flow.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an environmental protection aluminum alloy washing machine motor fan, which comprises a disc surface, the air inlet breach, first flabellum and second flabellum, be equipped with a plurality of radial floor on the quotation, quotation core is sunken and be equipped with even shaft hole, radial floor is kept away from even shaft hole one end axial and is stretched out and form the second flabellum, be the air inlet breach between the adjacent second flabellum, the back of second flabellum is equipped with first flabellum, first flabellum includes first vice fan and the vice fan of second, the root of first vice fan and the vice fan of second meets, first vice fan and the vice fan of second radially stretch out and incline to the left and right sides respectively.

The motor fan is coaxially connected with an output shaft of the motor and rotates along with the motor to work. The root of the first fan blade is arranged at the corresponding position of the radial rib plate, the first fan blade inclines to the left side and the right side of the corresponding radial rib plate and is respectively a first auxiliary fan and a second auxiliary fan, and air inlet gaps are arranged at the outer two sides of the first auxiliary fan and the second auxiliary fan. When the first fan blade rotates along with the output shaft, air below the disk surface migrates to the upper part of the disk surface (the second fan blade) to form airflow and form negative pressure, and cold air outside the motor is sucked. Radial floor and second flabellum integrated into one piece, this structure has at first improved the intensity of quotation, avoids the quotation to rotate at high speed and takes place the deformation damage, and the second, the second flabellum is in the duct that enters into motor casing with the radial scattering of wind that first flabellum blew off, has increased air velocity, improves heat dispersion. The first sub-fan and the second sub-fan extend in the radial direction and are inclined to the left and right sides, respectively. The motor can be adapted to the condition of positive and negative rotation.

Preferably, the surface of the disc surface, which is far away from the second fan blade, is provided with a connecting support corresponding to the position of the connecting shaft hole, and the connecting support comprises a base and a support body. The structure improves the support of the output shaft and reduces the vibration caused by the existence of the gap.

Preferably, the concave part of the core part is provided with a curved limiting block, the limiting block is connected with an output shaft of the motor, and the output shaft is provided with a positioning groove corresponding to the limiting block. The structure realizes the fixed connection with the motor, and avoids relative rotation.

Preferably, the radial rib plate has two ends that are thick and the middle that is thin in the axial height of the fan, and the radial rib plate has a circular arc shape that is symmetrical on both sides in the radial direction of the disk surface. The structure can lead the airflow generated by the radial rib plates in the rotating process to the position of the second fan blade through the arc shape, so that the efficiency of the fan is improved.

Preferably, the disk surface, the first fan blade, the second fan blade and the connecting support are integrally formed. The structure has the advantages of high strength and convenience in molding.

Preferably, the support body is a cuboid, and the support body is bulged in the width direction corresponding to the position of the connecting shaft hole to form a reinforcing semi-cylinder. The structure improves the stability of the output shaft.

Preferably, the radial ribs are rounded off everywhere. The structure avoids cutting and bruising the installer when installing.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the cold air outside is fully sucked, and the heat dissipation efficiency is improved; (2) the air flow thrown out by centrifugation is increased, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a bottom view of the present invention;

FIG. 3 is a schematic view of the first fan blade and the second fan blade of the present invention;

in the figure:

the fan comprises a disk surface 1, an air inlet notch 2, a first fan blade 3, a second fan blade 4, a radial rib plate 5, a connecting shaft hole 6, a first auxiliary fan 7, a second auxiliary fan 8, a connecting support 9, a limiting block 10 and a reinforcing semi-cylinder 11.

Detailed Description

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example (b):

the utility model provides an environmental protection aluminum alloy washing machine motor fan, as shown in fig. 1 to 3, including quotation 1, air inlet breach 2, first flabellum 3 and second flabellum 4, be equipped with a plurality of radial floor 5 on the quotation 1, 1 core of quotation is sunken and be equipped with even shaft hole 6, radial floor 5 is kept away from even shaft hole 6 one end axial and is stretched out and form second flabellum 4, be air inlet breach 2 between the adjacent second flabellum 4, the back of second flabellum 4 is equipped with first flabellum 3, first flabellum 3 includes first auxiliary fan 7 and the vice fan 8 of second, the root of first auxiliary fan 7 and the vice fan 8 of second meets, first auxiliary fan 7 and the vice fan 8 of second radially stretch out and incline to the left and right sides respectively. The radial rib plates 5 are thick at two ends and thin in the middle on the axial height of the fan, and the radial rib plates 5 are in symmetrical circular arcs at two sides of the radial direction of the disk surface 1 respectively. The structure can lead the airflow generated by the radial rib plates 5 in the rotating process to the position of the second fan blade 4 through the arc shape, so that the efficiency of the fan is improved.

The motor fan is coaxially connected with an output shaft of the motor and rotates along with the motor to work. The root of the first fan blade 3 is arranged at the corresponding position of the radial rib plate 5, the first fan blade 3 inclines towards the left side and the right side of the corresponding radial rib plate 5 and is respectively a first auxiliary fan 7 and a second auxiliary fan 8, and the two outer sides of the first auxiliary fan 7 and the second auxiliary fan 8 are air inlet gaps 2. When the first fan blade 3 rotates along with the output shaft, air below the disk surface 1 migrates to the upper side (the second fan blade 4) of the disk surface 1 to form air flow, negative pressure is formed, and cold air outside the motor is sucked. Radial rib plate 5 and second flabellum 4 integrated into one piece, this structure has at first improved the intensity of quotation 1, avoids quotation 1 to rotate at high speed and takes place the deformation damage, and second, second flabellum 4 is in the duct that enters into motor casing to the wind radial scattering that first flabellum 3 blew off, has increased air velocity, improves heat dispersion. The first sub fan 7 and the second sub fan 8 are extended in a radial direction and inclined to the left and right sides, respectively. The motor can be adapted to the condition of positive and negative rotation.

The one side that second flabellum 4 was kept away from to quotation 1 corresponds even shaft hole 6 position and is equipped with connection support 9, and connection support 9 includes base and support body. The structure improves the support of the output shaft and reduces the vibration caused by the existence of the gap. The disc surface 1, the first fan blade 3, the second fan blade 4 and the connecting support 9 are integrally formed. The structure has the advantages of high strength and convenience in molding. The support body is a cuboid, and the position of the support body corresponding to the shaft connecting hole 6 is bulged in the width direction to form a reinforced semi-cylinder 11. The structure improves the stability of the output shaft. The radial ribs 5 are rounded at all points. The structure avoids cutting and bruising the installer when installing. The sunken department of core is equipped with curved shape stopper 10, and stopper 10 meets with the output shaft of motor, is equipped with on the output shaft with the positioning groove that stopper 10 corresponds. The structure realizes the fixed connection with the motor, and avoids relative rotation.

This flabellum utilizes the negative pressure to inhale outside cold air when rotating, and utilized the air of quotation 1 below, increased the two and the heat absorption capacity of air-out of unit flabellum, improved the radiating efficiency, impel the motor more stable, have the working life of a longer time.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims (7)

1. The utility model provides an environmental protection aluminum alloy washing machine motor fan, which is characterized by, which comprises a disc surface, the air inlet breach, first flabellum and second flabellum, be equipped with a plurality of radial floor on the quotation, quotation core is sunken and be equipped with even shaft hole, radial floor is kept away from even shaft hole one end axial and is stretched out and form the second flabellum, be the air inlet breach between the adjacent second flabellum, the back of second flabellum is equipped with first flabellum, first flabellum includes first vice fan and the vice fan of second, the root of first vice fan and the vice fan of second meets, first vice fan and the vice fan of second radially stretch out and incline to the left and right sides respectively.

2. The motor fan of the washing machine of the environmental aluminum alloy as claimed in claim 1, wherein a connecting support is provided on a surface of the disk surface away from the second fan blade corresponding to the position of the coupling hole, the connecting support includes a base and a support body.

3. The motor fan of the washing machine of the environmental aluminum alloy as claimed in claim 1, wherein the recess of the core is provided with a curved stopper, the stopper is connected with the output shaft of the motor, and the output shaft is provided with a positioning groove corresponding to the stopper.

4. The motor fan of the washing machine of the environmental aluminum alloy as claimed in claim 2, wherein the radial rib plate is thick at both ends and thin at the middle in the axial height of the fan, and the radial rib plate is in the shape of a symmetrical circular arc at both sides in the radial direction of the disk surface.

5. The motor fan of the washing machine of the environmental protection aluminum alloy as claimed in claim 2, wherein the disc surface, the first fan blade, the second fan blade and the connecting support are integrally formed.

6. The motor fan of the washing machine of the environmental aluminum alloy as claimed in claim 2 or 5, wherein the support body is a cuboid, and a reinforcing semi-cylinder is bulged in the width direction at a position corresponding to the coupling shaft hole of the support body.

7. The motor fan of the washing machine, as claimed in any one of claims 1 to 5, wherein the radial ribs are rounded.

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