CN215071839U

CN215071839U - Industrial fan heat dissipation motor

Info

Publication number: CN215071839U
Application number: CN202121669409.4U
Authority: CN
Inventors: 张以红; 严安照
Original assignee: Zhejiang Wangdefu Motor Co ltd
Current assignee: Zhejiang Wangdefu Motor Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-07
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses an industry fan heat dissipation motor, including motor body, motor body includes that upper edge cover, iron ring, stator fix the aluminium support, motor shaft, radiator unit and lower edge cover, the fixed aluminium support mounting of stator is in the motor shaft outside, the stator is installed in the outside of the fixed aluminium support of stator, upper edge cover fixed mounting is in the upper end of iron ring, lower edge cover fixed mounting is in the lower extreme of iron ring, form the air gap between the annular inner wall of iron ring and the annular outer wall of stator, the centre of upper edge cover is passed to the upper end of motor shaft, install first bearing between motor shaft and the upper edge cover, install the second bearing between the fixed aluminium support of stator and the lower edge cover, radiator unit fixed mounting is in the lower extreme of the fixed aluminium support of stator. The utility model discloses heat dispersion is good, and the bearing is longe-lived.

Description

Industrial fan heat dissipation motor

Technical Field

The utility model relates to the technical field of electric machine, especially, relate to an industry fan heat dissipation motor.

Background

The industrial fan is widely used in industrial factory buildings, logistics storage, waiting rooms, exhibition halls, super-high spaces and the like, and is used as a tool for ventilating the spaces and cooling the personnel. The existing industrial fan motor is mostly of a closed structure, so that the heat dissipation performance is poor, the service life of the motor is greatly influenced, and the improvement is needed; furthermore, the blades of industrial fans tend to be relatively heavy, and most of their weight is borne by the bearings, which places high demands on the bearing capacity, otherwise the life of the bearings is greatly shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a heat dispersion is good, the long-lived industry fan cooling motor of bearing.

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

the utility model provides an industry fan heat dissipation motor, includes motor body, motor body includes side cover, iron ring, stator, the fixed aluminium support of stator, motor shaft, radiator unit and lower side cover, the fixed aluminium support mounting of stator is in the motor shaft outside, the stator is installed in the outside of the fixed aluminium support of stator, side cover fixed mounting is in the upper end of iron ring, lower side cover fixed mounting is in the lower extreme of iron ring, form the air gap between the annular inner wall of iron ring and the annular outer wall of stator, the motor shaft passes the centre of upper side cover, install first bearing between motor shaft and the upper side cover, install the second bearing between the fixed aluminium support of stator and the lower side cover, radiator unit fixed mounting is in the lower extreme of the fixed aluminium support of stator.

The heat dissipation assembly comprises a heat dissipation support and heat dissipation fins, wherein a convex ring extending upwards is arranged in the middle of the heat dissipation support, the lower end of the stator fixing aluminum support extends downwards to form an installation part, the heat dissipation support is fixedly installed at the lower end of the installation part, the annular outer wall of the convex ring is attached to the annular inner wall of the installation part, and the heat dissipation fins are evenly distributed on the outer side of the heat dissipation support.

The lower end of the outer edge of the radiating fin is in oblique angle transition.

The lower end of the lower side cover is uniformly distributed with a plurality of lower side cover heat dissipation ribs, the lower side cover heat dissipation ribs are located right above the heat dissipation fins, and the number of the lower side cover heat dissipation ribs is less than that of the heat dissipation fins.

The lower side cover heat dissipation rib is formed by downward extending of the lower side cover part.

The first bearing is a double-row angular contact bearing.

An oil seal is arranged between the upper side cover and the motor shaft and is positioned above the first bearing.

The upper surface and the lower surface of the stator fixing aluminum support are provided with a plurality of support radiating ribs.

The support heat dissipation ribs are uniformly arranged along the circumferential direction.

The utility model has the advantages that: through set up lower side cover heat dissipation muscle at lower side cover lower extreme to and increase radiator unit, can make the heat conduction that the stator produced to the heat dissipation support, during the rethread fin was arranged to the air, lower side cover was at the pivoted in-process, and lower side cover heat dissipation muscle can produce wind-force, and lower side cover heat dissipation muscle is just facing the fin and is bloied and can dispel the heat more high-efficiently. Through set up support heat dissipation muscle about the fixed aluminium support of stator, with stator heat dispersion to motor housing with higher speed, the second bearing adopts big internal diameter bearing, has increased the area of contact of installation department with the bulge loop, makes on the heat can conduct the outside radiator unit of motor more fast, effectively reduces motor stator temperature rise, improves motor life. By adopting the double-row angular contact bearing, the bearing capacity is larger, and the service life of the bearing is longer.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a perspective view of an industrial fan incorporating the present invention;

FIG. 4 is a cross-sectional view of an industrial fan incorporating the present invention;

fig. 5 is a schematic view of a gasket.

In the figure: the motor comprises a motor body 1, an upper cover 11, a limiting groove 111, a mounting hole 112, an iron ring 12, a stator 13, a stator fixing aluminum support 14, a mounting portion 141, a support heat dissipation rib 142, a motor shaft 15, a first bearing 16, a second bearing 17, a heat dissipation assembly 18, a heat dissipation support 181, a convex ring 1811, a heat dissipation fin 182, a lower cover 19, a lower cover heat dissipation rib 191, a mounting seat 2, a suspender 21, a fixing plate 22, a motor fixing seat 23, a connecting plate 24, a nut 25, a protective ring piece 3, a protective connecting shaft 31, a blade fixing plate 4, a blade mounting hole 41, a gasket 42, an arc-shaped section 421, a waist-shaped hole 4211, a straight line section 422, a through hole 4221 and an oil seal 5.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 5, an industrial fan heat dissipation motor comprises a motor body 1, the motor body 1 comprises an upper side cover 11, an iron ring 12 and a stator 13, fixed aluminium support 14 of stator, motor shaft 15, radiator unit 18 and lower cover 19, fixed aluminium support 14 of stator is installed in the motor shaft 15 outside, stator 13 is installed in the outside of fixed aluminium support 14 of stator, upper cover 11 fixed mounting is in the upper end of iron ring 12, lower cover 19 fixed mounting is in the lower extreme of iron ring 12, upper cover 11 and lower cover 19 are all through screw and iron ring 12 fixed connection, form the air gap between the annular inner wall of iron ring 12 and the annular outer wall of stator 13, motor shaft 15 passes the centre of upper cover 11, install first bearing 16 between motor shaft 15 and the upper cover 11, install second bearing 17 between fixed aluminium support 14 of stator and the lower cover 19, radiator unit 18 fixed mounting is in the lower extreme of fixed aluminium support 14 of stator.

The heat dissipating assembly 18 includes a heat dissipating bracket 181 and heat dissipating fins 182, a protruding ring 1811 extending upward is disposed in the middle of the heat dissipating bracket 181, the lower end of the stator fixing aluminum bracket 14 extends downward to form an installation portion 141, the heat dissipating bracket 181 is fixedly installed at the lower end of the installation portion 141, the annular outer wall of the protruding ring 1811 is attached to the annular inner wall of the installation portion 141, and the heat dissipating fins 182 are uniformly distributed outside the heat dissipating bracket 181. The lower end of the outer edge of the heat sink 182 transitions at an oblique angle.

A plurality of lower cover radiating ribs 191 are uniformly distributed at the lower end of the lower cover 19, the lower cover radiating ribs 191 are positioned right above the radiating fins 182, and the number of the lower cover radiating ribs 191 is less than that of the radiating fins 182. The outer edges of the lower cover ribs 191 and the fins 182 are substantially aligned so as to better accommodate the operation of dissipating heat from the motor.

The lower cover heat dissipating ribs 191 are formed by extending the lower cover 19 partially downward, and the shape of the outer edge thereof substantially conforms to the shape of the outer edge of the lower cover 19.

Because the motor body 1 is in the course of working, stator 13 is the main part that generates heat, and the heat that stator 13 produced conducts heat dissipation support 181 through bulge loop 1811 with it laminating, and the rethread fin 182 is arranged in the air, and a plurality of lower extreme cover heat dissipation muscle 191 of lower extreme equipartition of lower edge cover 19, lower edge cover 19 is at the pivoted in-process, and lower extreme cover heat dissipation muscle 191 can produce wind-force, and lower extreme cover heat dissipation muscle 191 is just facing fin 182 and is bloied and can dispel the heat more high-efficiently.

The upper and lower surfaces of the stator fixing aluminum bracket 14 are provided with a plurality of bracket heat dissipation ribs 142. The number of the support heat dissipation ribs 142 on the upper surface and the lower surface of the stator fixing aluminum support 14 is 16, and the support heat dissipation ribs 142 are uniformly arranged along the circumferential direction. The bracket heat dissipation ribs 142 accelerate and disperse heat generated by the stator 13 to the shell of the motor body 1, and meanwhile, the second bearing 17 with a large inner diameter is adopted at the lower end of the motor body 1, so that the diameters of the mounting part 141 and the convex ring 1811 are correspondingly increased, the contact area of the mounting part 141 and the convex ring 1811 is enlarged, and the heat dissipation area is increased. The heat is conducted to the heat dissipation assembly 18 outside the motor body 1 through the mounting portion 141, so that the temperature rise of the stator 13 can be effectively reduced, and the service life of the motor body 1 is prolonged.

Considering that the blades of the industrial fan are heavier, the first bearing 16 is a double-row angular contact bearing, so that the bearing capacity is higher, the service life of the bearing is longer, longer blades can be arranged on the bearing, and the wind power of the fan is higher.

15 fixed mounting in mount pad 2 of motor shaft, mount pad 2 includes fixed plate 22 and motor fixing base 23, motor fixing base 23 fixed mounting in the centre of fixed plate 22, motor shaft 15 passes motor fixing base 23, protection ring piece 3 is installed to motor body 1's top, protection ring piece 3 passes through protection connecting axle 31 fixed connection with motor body 1, fixed plate 22 is located the centre of protection ring piece 3 and motor body 1, the internal diameter of protection ring piece 3 is less than the external diameter of fixed plate 22. In the use, the problem such as bolt looseness leads to the electric fan to fall, and protection ring piece 3 can play the guard action, and protection ring piece 3 can drop on fixed plate 22 after the electric fan falls, avoids the incident that the fan dropped and arouses.

The mounting seat 2 comprises a hanging rod 21, a connecting plate 24 and a nut 25, the connecting plate 24 is installed on the outer side of the lower end of the hanging rod 21, the connecting plate 24 is symmetrically arranged in two blocks, the connecting plate 24 is fixedly installed at the upper end of a fixing plate 22, the connecting plate 24 can be divided into a vertical section and a horizontal section, the vertical section of the connecting plate 24 is fixed with the hanging rod 21 through a fastener, specifically, two transverse threaded holes are formed in the middle of the hanging rod 21, and a bolt sequentially penetrates through the connecting plate 24 on one side, the threaded holes of the hanging rod 21 and the connecting plate 24 on the other side and is fixed through the nut. Horizontal segment and fixed plate 22 pass through the fastener fixed, and the nut 25 is installed in the top of motor shaft 15, screws up nut 25, and the lower extreme butt motor fixing base 23 of nut 25 to this is fixed in motor shaft 15 in motor fixing base 23.

Considering that the fixing of the fan blades by bolts in the rotation process is not reliable, a plurality of limiting grooves 111 are formed in the circumferential direction of the upper end of the upper side cover 11, the blade fixing plate 4 is fixedly installed in the limiting grooves 111, and the limiting grooves 111 limit the fan blades. The blade fixing plate 4 is provided with a plurality of blade mounting holes 41 for mounting fan blades.

A gasket 42 is fixedly mounted at the upper end of each blade fixing plate 4, each gasket 42 comprises an arc-shaped section 421 and a straight-line section 422, the blades are combined together by the gaskets 42, the arc-shaped sections 421 of the blade fixing plates 4 are connected end to form a circle, each straight-line section 422 comprises a plurality of through holes 4221, and the through holes 4221 correspond to the blade mounting holes 41. One end of the arc-shaped section 421 away from the straight section 422 is provided with a waist-shaped hole 4211, the waist-shaped hole 4211 is used for fixing the gasket 42, and the top of the upper edge cover 11 is further provided with a mounting hole 112 for mounting the blade fixing plate 4.

In addition, the blade fixing plate 4 can be inclined after being punched, and the straight line segment 422 of the gasket 42 is also correspondingly inclined, so that the fan blade is also inclined after being installed, and the larger the inclined angle is, the larger the wind force of the fan is.

Install oil blanket 5 between upper edge cover 11 and the motor shaft 15, oil blanket 5 is located the top of first bearing 16, and oil blanket 5 is used for sealing, can prevent that impurity such as dust and water from getting into motor body 1 inside.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an industry fan heat dissipation motor which characterized in that: comprises a motor body (1), wherein the motor body (1) comprises an upper edge cover (11), an iron ring (12), a stator (13), a stator fixing aluminum support (14), a motor shaft (15), a heat dissipation assembly (18) and a lower edge cover (19), the stator fixing aluminum support (14) is installed on the outer side of the motor shaft (15), the stator (13) is installed on the outer side of the stator fixing aluminum support (14), the upper edge cover (11) is fixedly installed on the upper end of the iron ring (12), the lower edge cover (19) is fixedly installed on the lower end of the iron ring (12), an air gap is formed between the annular inner wall of the iron ring (12) and the annular outer wall of the stator (13), the upper end of the motor shaft (15) penetrates through the middle of the upper edge cover (11), a first bearing (16) is installed between the motor shaft (15) and the upper edge cover (11), and a second bearing (17) is installed between the stator fixing aluminum support (14) and the lower edge cover (19), the heat dissipation assembly (18) is fixedly arranged at the lower end of the stator fixing aluminum support (14).

2. The industrial fan heatsink motor of claim 1, wherein: the heat dissipation assembly (18) comprises a heat dissipation support (181) and heat dissipation fins (182), wherein a convex ring (1811) extending upwards is arranged in the middle of the heat dissipation support (181), the lower end of the stator fixing aluminum support (14) extends downwards to form an installation part (141), the heat dissipation support (181) is fixedly installed at the lower end of the installation part (141), the annular outer wall of the convex ring (1811) is attached to the annular inner wall of the installation part (141), and the heat dissipation fins (182) are uniformly distributed on the outer side of the heat dissipation support (181).

3. The industrial fan heatsink motor of claim 2, wherein: the lower end of the outer edge of the radiating fin (182) is in transition at an oblique angle.

4. The industrial fan heatsink motor of claim 2, wherein: the lower end of the lower side cover (19) is uniformly distributed with a plurality of lower side cover heat dissipation ribs (191), the lower side cover heat dissipation ribs (191) are positioned right above the heat dissipation fins (182), and the number of the lower side cover heat dissipation ribs (191) is less than that of the heat dissipation fins (182).

5. The industrial fan heatsink motor of claim 4, wherein: the lower side cover heat dissipation rib (191) is formed by partially extending downwards the lower side cover (19).

6. The industrial fan heatsink motor of claim 1, wherein: the first bearing (16) is a double-row angular contact bearing.

7. The industrial fan heatsink motor of claim 1, wherein: install oil blanket (5) between upper edge cover (11) and motor shaft (15), oil blanket (5) are located the top of first bearing (16).

8. The industrial fan heatsink motor of claim 1, wherein: the upper surface and the lower surface of the stator fixing aluminum bracket (14) are provided with a plurality of bracket heat dissipation ribs (142).

9. The industrial fan heatsink motor of claim 8, wherein: the support heat dissipation ribs (142) are uniformly arranged along the circumferential direction.