CN211737495U

CN211737495U - Motor wind-fire wheel type cooling fan

Info

Publication number: CN211737495U
Application number: CN201922286562.8U
Authority: CN
Inventors: 陈熙; 余佳龙
Original assignee: FUZHOU WONDER ELECTRIC CO LTD
Current assignee: FUZHOU WONDER ELECTRIC CO LTD
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-23
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a motor wind-fire wheel type heat radiation fan in the technical field of motor wind tube structures, which comprises a mounting ring, wherein a plurality of splicing grooves are axially arranged on the outer wall of the circumference of the mounting ring, fan blades are arranged in the inner cavity of the splicing grooves, a mounting hole is radially arranged in the middle of one side of the circumference of the mounting ring, and an inner hexagonal mounting screw is arranged in the mounting hole, the wind-fire wheel type heat dissipation fan is sleeved and arranged between the cast aluminum rotor and the bearing, when the motor runs, the wind-fire wheel type heat dissipation fan is driven to rotate, on one hand, the heat isolation effect can be achieved, the heat generated by the bearing is prevented from influencing the rotor and the winding, meanwhile, the air-fire wheel type cooling fan rotating at a high speed can generate air flow to cool the bearing, and the defect that the cooling fins at two ends of the existing cast-aluminum rotor are not ideal in cooling effect due to large distance is overcome.

Description

Motor wind-fire wheel type cooling fan

Technical Field

The utility model relates to a radiator fan technical field specifically is a motor wind fire wheel formula radiator fan.

Background

As shown in fig. 1, a stepped rotating shaft is disposed in the middle of a cast aluminum rotor a of an existing motor, bearings b are sleeved on two sides of the stepped rotating shaft too in stages, and along with the continuation of the operation duration time of the motor, the temperature of the bearings b rises gradually due to high rolling heat, so that the winding and the rotor are not affected by the high temperature of the bearings b, two ends of the cast aluminum rotor a are not close to the bearings b, and therefore a larger distance exists between the radiating fins at two ends of the cast aluminum rotor a and the bearings b, and the radiating fins at two ends of the cast aluminum rotor a cannot achieve an ideal radiating effect on the bearings b, so that the service life of the bearings b is shortened.

Based on this, utility model has designed a motor wind fire wheel formula radiator fan to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor wind fire wheel formula radiator fan to solve above-mentioned technical problem.

In order to realize the purpose, the utility model provides the following technical scheme: the utility model provides a motor wheel type radiator fan, includes the collar, a plurality of grafting slots have been seted up along the axial to the circumference outer wall of collar, the inner chamber of grafting slot is provided with the flabellum, the circumference one side middle part of collar has radially seted up the mounting hole, be provided with hexagon socket head cap screw in the mounting hole.

Preferably, the number of the inserting grooves and the number of the fan blades are 8-16, and the inserting grooves and the fan blades are correspondingly arranged one by one.

Preferably, the inserting grooves and the fan blades are uniformly distributed in a circumferential array shape by taking the central axis of the mounting ring as a circle center.

Preferably, the two side walls of the fan blade are fixedly welded with the end edge of the insertion groove.

Preferably, the axial width of the fan blade is consistent with the axial width of the insertion groove.

Compared with the prior art, utility model's beneficial effect does:

the utility model discloses in view of there is the unsatisfactory phenomenon of radiating effect in the fin of current cast aluminium rotor structure from the area, a novel motor wheel formula radiator fan has been designed, this structure mainly includes collar and circumference array distribution in the flabellum blade of collar outer wall, during the use, cup joint the wheel formula radiator fan of wind fire and install between cast aluminium rotor and bearing, when the motor operates, it is rotatory to drive the wheel formula radiator fan of wind fire, can play the heat and cut off the effect on the one hand, prevent heat influence rotor and the winding that the bearing produced, the wheel formula radiator fan of wind fire of high-speed rotation can produce the air current and cool down the bearing simultaneously, compensate the fin at current cast aluminium rotor both ends because the interval is great, the unsatisfactory defect of radiating effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic structural diagram of a rotor of a conventional motor;

FIG. 2 is a schematic diagram of the separation structure of the present invention;

FIG. 3 is a schematic view of the combined structure of the present invention;

fig. 4 is a schematic view of the installation structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100-mounting ring, 110-inserting groove, 120-mounting hole, 200-fan blade and 300-inner hexagon mounting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a motor wind and fire wheel type cooling fan comprises a mounting ring 100, wherein a plurality of inserting grooves 110 are axially formed in the outer wall of the circumference of the mounting ring 100, fan blades 200 are arranged in the inner cavities of the inserting grooves 110, a mounting hole 120 is radially formed in the middle of one side of the circumference of the mounting ring 100, and a hexagon socket head cap mounting screw 300 is arranged in the mounting hole 120.

The number of the plugging grooves 110 and the number of the fan blades 200 are 8-16, the plugging grooves 110 and the fan blades 200 are correspondingly installed one by one, the plugging grooves 110 and the fan blades 200 are uniformly distributed in a circumferential array shape by taking the central axis of the installation ring 100 as a circle center, two side walls of the fan blades 200 are fixed with the end edges of the plugging grooves 110 by welding, and the axial widths of the plugging grooves 110 of the axial widths of the fan blades 200 are consistent.

One specific application of this embodiment is:

1. firstly, the size of an inner hole of the mounting ring 100 is processed to be matched with the transition size of a rotating shaft in the middle of the cast aluminum rotor a, then the inserting grooves 110 matched with the fan blades 200 on the mounting ring 100 are processed, and the distribution and the number of the inserting grooves 110 are required to be in one-to-one correspondence with the number of the fan blades 200.

2. The distribution and design of the fan blades 200 are required to correspond to the number and angles of the radiating fins at the two ends of the cast aluminum rotor a one by one.

3. The fan blades 200 are sequentially inserted into the insertion groove 110, and two side walls of the fan blades 200 are fixed to the end edge of the insertion groove 110 by welding.

4. After welding, a mounting hole 120 is formed in the central portion of the mounting ring 100 located in the two insertion grooves 110.

5. The inner hole of the mounting ring 100 is heated by the wheel type heat dissipation fan, the mounting ring is mounted on the rotating shaft close to the side of the cooling fins of the cast aluminum rotor a in a hot-sleeving manner (as shown in fig. 4, the mounting hole 120 on the fan is used as a reference, a threaded hole is drilled in the rotating shaft, the depth of the hole is proper, the rotating shaft and the wheel type heat dissipation fan are mounted and fastened by the hexagon socket head cap mounting screw 300, and the threads of the hexagon socket head cap mounting screw 300 are coated with high-strength sealant (model LOXEAL 83-55) to seal the rotating shaft and the wheel type heat dissipation fan.

6. The mounted wind-fire wheel type heat dissipation fan and the rotor are dynamically balanced together, so that the concentricity and the balance degree of the wind-fire wheel type heat dissipation fan and the rotor are ensured, and the vibration of a motor is reduced.

7. The well balanced wind-fire wheel type heat dissipation fan and the outer diameter of the rotor are coated with the rotor rust-proof paint to prevent rusting.

9. The rotor provided with the wind-fire wheel type heat dissipation fan can be used by being arranged in the motor.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor wind fire wheel formula radiator fan which characterized in that: the fan blade installing structure is characterized by comprising an installing ring (100), wherein a plurality of inserting grooves (110) are formed in the outer wall of the circumference of the installing ring (100) along the axial direction, fan blades (200) are arranged in the inner cavity of each inserting groove (110), an installing hole (120) is formed in the middle of one side of the circumference of the installing ring (100) along the radial direction, and an inner hexagonal installing screw (300) is arranged in each installing hole (120).

2. The electric motor-driven thermal wheel type heat dissipating fan as set forth in claim 1, wherein: the number of the inserting grooves (110) and the number of the fan blades (200) are 8-16, and the inserting grooves (110) and the fan blades (200) are correspondingly arranged one by one.

3. The electric motor-driven thermal wheel type heat dissipating fan as set forth in claim 2, wherein: the inserting grooves (110) and the fan blades (200) are uniformly distributed in a circumferential array shape by taking the central axis of the mounting ring (100) as the center of a circle.

4. The electric motor-driven thermal wheel type heat dissipating fan as set forth in claim 1, wherein: the two side walls of the fan blade (200) are fixed with the end edge of the inserting groove (110) through welding.

5. The electric motor-driven thermal wheel type heat dissipating fan as set forth in claim 1, wherein: the axial width of the fan blade (200) is consistent with the axial width of the insertion groove (110).